阅读说明：本技术 一种膀胱内凝血块冲洗装置 (Flushing device for coagulated blood clots in bladder ) 是由 李明林 杨立新 时祥音 李英霞 马慧利 杨旭 冀明阳 任中海 郑佳 刘舒 于 2021-07-15 设计创作，主要内容包括：本发明公开了一种膀胱内凝血块冲洗装置,包括抽吸机构；所述抽吸机构的一端设有料口,所述料口连接有盒体,所述盒体为密封结构,所述盒体的另一端连接有连接管,连接管连接导尿管；所述盒体的一侧设有进气机构,增压机构的对称侧设有排气机构；通过进气机构增压使清洗液通过导尿管快速进入到膀胱内,对膀胱内凝血块产生一定的冲击力,将凝血块破碎,再通过排气机构将盒体内的空气排出,减小盒体内压强,通过负压和虹吸的作用,膀胱内的液体伴随清洗液抽出到盒体内,关闭第一阀门和第二阀门,通过转动抽吸机构的旋钮,将混合液从盒体内排出,对于大块的凝血达到良好的清洗效果,同时有效提升清洗效率,减少患者的疼痛,增加患者的舒适性。(The invention discloses a flushing device for coagulated blood clots in a bladder, which comprises a suction mechanism; a material port is formed in one end of the suction mechanism, the material port is connected with a box body, the box body is of a sealing structure, and the other end of the box body is connected with a connecting pipe which is connected with a catheter; an air inlet mechanism is arranged on one side of the box body, and an exhaust mechanism is arranged on the symmetrical side of the supercharging mechanism; make the washing liquid enter into the bladder through the catheter fast through the mechanism pressure boost of admitting air in, clot produces certain impact force in to the bladder, it is broken to clot, the air escape in the box body of rethread exhaust mechanism, reduce the internal pressure of box, through the effect of negative pressure and siphon, liquid in the bladder is taken out in the box body along with the washing liquid, close first valve and second valve, knob through rotating suction mechanism, discharge mixed liquid from the box body, reach good cleaning performance to massive blood coagulation, effectively promote the cleaning efficiency simultaneously, reduce patient's pain, increase patient's travelling comfort.)

1. An irrigation device for coagulated blood clots in bladder, comprising a suction mechanism (1); the device is characterized in that a material opening (110) is formed in one end of the suction mechanism (1), the material opening (110) is connected with a box body (4), the box body (4) is of a sealing structure, a connecting pipe (9) is connected to the other end of the box body (4), and the connecting pipe (9) is connected with a catheter; an air inlet mechanism (2) is arranged on one side of the box body (4), and an exhaust mechanism (3) is arranged on the symmetrical side of the supercharging mechanism;

one side of the air inlet mechanism (2) is connected with an air inlet nozzle (5), the air inlet nozzle (5) is communicated with the position, close to the top, of the box body (4), the air inlet nozzle (5) is provided with a first valve (6), one side of the exhaust mechanism (3) is provided with an air outlet nozzle (7), the air outlet nozzle (7) is provided with a second valve (8), and the air outlet nozzle (7) is communicated with the position, close to the top, of the box body (4);

send the washing liquid into box body (4) through suction mechanism (1), carry out the pressure boost in to box body (4) through suction mechanism (1) that sets up, guarantee that there is the washing liquid in box body (4) during the pressure boost, and the page of washing liquid is less than the height of admission nozzle (5) and play gas nozzle (7), make the washing liquid pass through the catheter through the pressure boost and enter into the bladder fast, clot produces certain impact force in the bladder, it is broken to clot, the air escape in box body (4) is with exhaust mechanism (3) to the rethread, reduce pressure, effect through negative pressure and siphon, liquid in the bladder is taken out in box body (4) along with the washing liquid, extract the catheter, discharge in connecting pipe (9) through suction mechanism (1) with the mixture in box body (4).

2. The intravesical clot flushing device according to claim 1, wherein the pumping mechanism comprises a cylinder body (101), a screw rod (102) penetrates through one end of the cylinder body (101), the screw rod (102) is matched and rotatably connected with the cylinder body (101), one end of the screw rod (102) is provided with a knob (103), and the knob (103) is arranged outside the cylinder body (101); the screw rod (102) is provided with a movable plate (104), the center of the movable plate (104) is provided with a threaded hole (111), and the threaded hole (111) is connected with the screw rod (102) in a matching and rotating mode.

3. The intravesical clot flushing device according to claim 2, characterized in that two connecting rods (105) are symmetrically connected to one side of the movable plate (104), a fixed plate (109) is connected to the other end of each connecting rod (105), and sliding grooves (106) are formed in opposite side surfaces of the two connecting rods (105); the other end of the screw rod (102) is connected with a limiting block (107), two end parts of the limiting block (107) are connected with sliding blocks (108), and the sliding blocks (108) are in matched sliding connection with the sliding grooves (106); one end of the barrel body (101) far away from the knob (103) is provided with a material opening (110), and the material opening (110) is communicated with the box body (4).

4. An intravesical clot flushing device according to claim 1, characterized in that the air inlet means (2) comprises a first housing (21), a first clapboard (22) is arranged in the first shell (21), a cavity is formed between the first clapboard (22) and the first shell (21), a first piston plate (27) is arranged in the cavity, one side of the first piston plate (27) is connected with a first telescopic rod (26), the first telescopic rod (26) penetrates through the wall of the first shell (21), and is connected with the wall of the first shell (21) in a sliding way, the other end of the first telescopic rod (26) is connected with a first connecting rod (25), the first connecting rod (25) is connected with a first crankshaft (24), the first crankshaft (24) is in driving connection with a first motor (23), and the first motor (23) is connected to the top of the first shell (21).

5. The intravesical clot flushing device according to claim 4, characterized in that a first air inlet (28) and a second air inlet (29) are formed in the side, far away from the air inlet nozzle (5), of the first shell (21) and close to the two ends of the first shell, and a filter screen (212) is arranged outside the first air inlet (28) and the second air inlet (29); and a third air inlet (210) and a fourth air inlet (211) are formed in the positions, close to the two ends, of the first partition plate (22).

6. The intravesical clot flushing device according to claim 5, characterized in that the first air inlet (28) and the second air inlet (29) are provided with air doors (213) at the sides close to the first piston plate (27), and the air doors (213) are rotatably connected with the inner wall of the first shell (21) through hinges; and an air door (213) is arranged on one side, away from the first piston plate (27), of the third air inlet (210) and the fourth air inlet (211), and the air door (213) is rotatably connected with the first partition plate (22) through a hinge.

7. An intravesical clot flushing device according to claim 1, characterized in that the venting mechanism (3) comprises a second housing (31), a second clapboard (32) is arranged in the second shell (31), a cavity is formed between the second clapboard (32) and the second shell (31), a second piston plate (311) is arranged in the cavity, one side of the second piston plate (311) is connected with a second telescopic rod (36), the second telescopic rod (36) penetrates through the wall of the second shell (31), and is connected with the wall of the second shell (31) in a sliding way, the other end of the second telescopic rod (36) is connected with a second connecting rod (35), the second connecting rod (35) is connected with a second crankshaft (34), the second crankshaft (34) is in driving connection with a second motor (33), and the second motor (33) is connected to the top of the second shell (31).

8. The intravesical clot flushing device of claim 7, wherein the second partition (32) is provided with a first air outlet (37) and a second air outlet (38) near both ends; a third air outlet (39) and a fourth air outlet (310) are formed in the position, close to the two ends, of one side, far away from the air outlet nozzle (7), of the second shell (31), air permeable covers (312) are arranged on the outer sides of the third air outlet (39) and the fourth air outlet (310), and the air permeable covers (312) are connected with the second shell (31).

9. The intravesical clot flushing device according to claim 8, characterized in that the first air outlet (37) and the second air outlet (38) are provided with air doors (213) at the sides close to the second piston plate (311), and the air doors (213) are rotatably connected with the second partition plate (32) through hinges; and an air door (213) is arranged on one side, away from the second piston plate (311), of the third air inlet (210) and the fourth air inlet (211), and the air door (213) is rotatably connected with the outer side wall of the second shell (31) through a hinge.

Technical Field

The invention belongs to the field of medical auxiliary instruments, and particularly relates to a flushing device for a coagulated blood clot in a bladder.

Background

Cystoceles are generally formed by bleeding of the bladder, and then the diseases that can cause the bleeding of the bladder include bladder cancer, bladder tumor, hyperplasia of prostate gland, and rupture of blood vessels in the bladder, which all cause the bleeding of the bladder and the formation of blood clots in the bladder.

At present, two methods are generally adopted for cleaning blood clots in the bladder, the first method is to take out the blood clots in the bladder by a surgical operation, and the method has long postoperative recovery time, long treatment period and causes more inconvenience to patients; in the second method, a three-cavity catheter is adopted to send cleaning fluid into the bladder through the catheter, and then the mixed liquid of blood clots in the bladder is extracted through a needle tube and other devices, so that the aim of cleaning the blood clots is fulfilled through repeated operation. The operation is not needed, the harm to the patient is reduced to the minimum, and the recovery is fast. But at present generally send into the washing liquid through the needle tubing, at the washing liquid of extraction through the needle tubing, this kind of method can't discharge through the catheter to great clot under the condition of not broken, can only wash repeatedly many times, leads to the cleaning efficiency low, can not play the clear effect of clearing away to great clot, influences the cleaning performance.

Chinese patent application No. 201010535240.3 discloses a bladder cleaner, which belongs to a medical appliance. It solves the technical defect that no special apparatus for bladder irrigation exists in the prior art. The puncture needle comprises a puncture needle and a transfusion tube, wherein the transfusion tube is communicated with an inner cavity of the puncture needle, one side of the puncture needle is provided with an air inlet tube and an air filter, and the transfusion tube is provided with a flow control switch and a Murphy dropper; the end of the infusion tube is provided with a flusher joint with taper, and the flusher joint is provided with an annular anti-skidding groove and a joint outer cover. Above-mentioned technical scheme washs the bladder through the catheter, if have great clot then can not reach good clearance effect in the bladder.

Chinese patent application No. 201820536936.X discloses a bladder washing unit, including three way connection, bladder washing joint and urine bag connecting pipe, bladder washing joint one serve and have arranged first toper external thread joint, three way connection's left end be for accomodating the end, the right-hand member is for pegging graft the end, the upper end opening is sealed end, first toper external thread joint pass through the external screw thread and link to each other with the accomodating end, grafting serve and have arranged second toper external thread joint, second toper external thread joint insert in the one end of urine bag connecting pipe, the other end of urine bag connecting pipe on install the urine bag, the sealed end on install and open the sealing plug, the opening of sealed end link to each other with the male connection of transfer line, the upper end and the liquid medicine bag intercommunication of transfer line install speed adjusting device on the transfer line. Above-mentioned technical scheme is when wasing the blood clot in the bladder, and is general to great clot cleaning effect, and the cleaning efficiency is low, awaits improving.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a flushing device for blood clots in a bladder, cleaning liquid is fed into a box body through a suction mechanism, the box body is pressurized through the arranged suction mechanism, the cleaning liquid is ensured to be in the box body when the box body is pressurized, the page of the cleaning liquid is lower than the heights of an air inlet nozzle and an air outlet nozzle, the cleaning liquid is quickly fed into the bladder through a catheter by virtue of pressurization to generate certain impact force on the blood clots in the bladder so as to break the blood clots, air in the box body is exhausted through an exhaust mechanism so as to reduce the pressure in the box body, the liquid in the bladder is pumped into the box body along with the cleaning liquid under the action of negative pressure and siphon, a first valve and a second valve are closed, mixed liquid is discharged from the box body by rotating a knob of the suction mechanism, a good cleaning effect is achieved for massive blood clotting, and the cleaning efficiency is effectively improved, reduce the pain of the patient and increase the comfort of the patient.

The invention provides the following technical scheme:

an irrigation device for coagulated blood clots in bladder, comprising a suction mechanism; a material port is formed in one end of the suction mechanism, the material port is connected with a box body, the box body is of a sealing structure, and the other end of the box body is connected with a connecting pipe which is connected with a catheter; an air inlet mechanism is arranged on one side of the box body, and an exhaust mechanism is arranged on the symmetrical side of the supercharging mechanism;

one side of the air inlet mechanism is connected with an air inlet nozzle, the air inlet nozzle is communicated with the position, close to the top, of the box body, the air inlet nozzle is provided with a first valve, one side of the exhaust mechanism is provided with an air outlet nozzle, the air outlet nozzle is provided with a second valve, and the air outlet nozzle is communicated with the position, close to the top, of the box body;

the cleaning liquid is sent into the box body through the suction mechanism, the suction mechanism is used for pressurizing the box body through arrangement, the cleaning liquid is guaranteed to be in the box body when the cleaning liquid is pressurized, the page of the cleaning liquid is lower than the heights of the air inlet nozzle and the air outlet nozzle, the cleaning liquid enters the bladder through the catheter rapidly through pressurization, a certain impact force is generated on a blood clot in the bladder, the blood clot is broken, air in the box body is exhausted through the exhaust mechanism, the pressure is reduced, the liquid in the bladder is pumped out of the box body along with the cleaning liquid through the action of negative pressure and siphoning, the catheter is pulled out, and a mixture in the box body is discharged from the connecting pipe through the suction mechanism.

Preferably, the pumping mechanism comprises a cylinder, a screw rod penetrates through one end of the cylinder, the screw rod is connected with the cylinder in a matching and rotating mode, a knob is arranged at one end of the screw rod, and the knob is arranged outside the cylinder; the screw rod is provided with a movable plate, the center of the movable plate is provided with a threaded hole, and the threaded hole is connected with the screw rod in a matching and rotating mode.

Preferably, one side of the movable plate is symmetrically connected with two connecting rods, the other end of each connecting rod is connected with a fixed plate, and the opposite side surfaces of the two connecting rods are both provided with sliding grooves; the other end of the screw rod is connected with a limiting block, two end parts of the limiting block are both connected with sliding blocks, and the sliding blocks are matched and slidably connected with the sliding grooves; the one end that the knob was kept away from to the barrel is equipped with the material mouth, material mouth and box body intercommunication.

Preferably, the air inlet mechanism comprises a first housing, a first partition plate is arranged inside the first housing, a cavity is formed between the first partition plate and the first housing, a first piston plate is arranged in the cavity, a first telescopic rod is connected to one side of the first piston plate, the first telescopic rod penetrates through the first housing wall and is in clearance sliding connection with the first housing wall, a first connecting rod is connected to the other end of the first telescopic rod, a first crankshaft is connected to the first connecting rod, the first crankshaft is in driving connection with a first motor, and the first motor is connected to the top of the first housing.

Preferably, a first air inlet and a second air inlet are formed in the positions, close to the two ends, of one side, far away from the air inlet nozzle, of the first shell, and filter screens are arranged on the outer sides of the first air inlet and the second air inlet; and a third air inlet and a fourth air inlet are formed in the positions, close to the two ends, of the first partition plate.

Preferably, air doors are arranged on one sides of the first air inlet and the second air inlet, which are close to the first piston plate, and the air doors are rotatably connected with the inner wall of the first shell through hinges; and air doors are arranged on one sides, far away from the first piston plate, of the third air inlet and the fourth air inlet and are rotatably connected with the first partition plate through hinges.

Preferably, the exhaust mechanism comprises a second casing, a second partition plate is arranged inside the second casing, a cavity is formed between the second partition plate and the second casing, a second piston plate is arranged in the cavity, a second telescopic rod is connected to one side of the second piston plate, the second telescopic rod penetrates through the second casing wall and is in clearance sliding connection with the second casing wall, a second connecting rod is connected to the other end of the second telescopic rod, a second crankshaft is connected to the second connecting rod, the second crankshaft is in driving connection with a second motor, and the second motor is connected to the top of the second casing.

Preferably, the second partition board is provided with a first air outlet and a second air outlet at positions close to two ends; and a third air outlet and a fourth air outlet are formed in the positions, close to the two ends, of one side, far away from the air outlet nozzle, of the second shell, and air permeable covers are arranged on the outer sides of the third air outlet and the fourth air outlet and connected with the second shell.

Preferably, air doors are arranged on one sides of the first air outlet and the second air outlet, which are close to the second piston plate, and the air doors are rotatably connected with the second partition plate through hinges; and an air door is arranged on one side, far away from the second piston plate, of the third air inlet and the fourth air inlet, and the air door is rotatably connected with the outer side wall of the second shell through a hinge.

Preferably, a valve is arranged at a material port of the suction mechanism, and a valve is arranged at the joint of the box body and the catheter.

Preferably, the fixing plate is provided with an annular rubber sleeve which is connected with the cylinder body in a sealing manner.

Preferably, in order to prevent that the liquid level in the box body is too high, prevent that the washing liquid from flowing into air admission mechanism or exhaust mechanism, influence the device and normally work, in order to further improve washing speed, the washing liquid keeps suitable velocity of flow, and connecting pipe diameter D, liquid level height l and the interior washing liquid flow q of connecting pipe satisfy following formula: 2q = δ · π D²t（lv）^1/2；

In the above formula, D is in cm; the unit of l is m; v is the flow rate of the cleaning solution in cm/s; pi is the circumference ratio; delta is a flow coefficient, and the value range is 0.365-6.698; t is a unit time.

In addition, when the pressure P of the gas output from the third air inlet and the fourth air inlet is higher, the flow velocity v of the cleaning solution is higher, the blood clots are more easily broken, but in order to generate a stable flow velocity and avoid the human body from being damaged, the flow velocity of the cleaning solution is not too high, and the pressure P in the box body and the flow velocity v of the cleaning solution meet the requirement of P = η · (8 lv/D)²) (ii) a In the above formula, P unit is pascal; eta is the pressure coefficient, and the value range is 5.63-26.3.

According to the formula, the formula is an empirical formula, only numerical calculation is carried out, the larger the pressure is, the faster the flow rate of the cleaning solution is, and the more easily blood clots are broken, when the pressure in the box body is 2kPa and the liquid level height l is 20cm, the diameter of the connecting pipe is 0.5cm, eta is 10, and the flow rate of the cleaning solution is 2.4 cm/s; when the pressure in the box body is 1kPa and the liquid level height l is 20cm, the diameter of the connecting pipe is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 1.25 cm/s; when the pressure in the box body is 1.5kPa and the liquid level height l is 20cm, the diameter of the connecting pipe is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 1.99 cm/s; when the pressure in the box body is 2.5kPa and the liquid level height l is 20cm, the diameter of the connecting pipe is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 3.12 cm/s. According to the data, in order to avoid the damage to the human body caused by the excessively high flow velocity of the cleaning solution, the pressure p in the box body is limited to be less than or equal to 2kPa and more than or equal to 1kPa, namely the flow velocity v of the cleaning solution is less than or equal to 2.4cm/s and more than or equal to 1.25 cm/s; the blood clot can be broken, the good cleaning effect can be kept, and the cleaning speed is improved.

Preferably, the intravesical clot flushing device adopts a method for cleaning the intravesical clot, and comprises the following steps of:

s1, sucking the cleaning liquid by a suction mechanism, butting the material port with the box body, then rotating a knob, driving a movable plate and a fixed plate to press downwards through a screw rod, and injecting the cleaning liquid into the box body;

s2, after the cleaning liquid is injected into the box body, the first valve is kept open, the second valve is kept closed, the material port valve is closed, and the connecting pipe valve is opened; the first motor is started to drive the first piston plate to move, the flow rate of the air inlet nozzle is increased, the pressure of air in the box body is increased, the cleaning fluid in the box body has a certain speed and enters the catheter through the connecting pipe, and blood clots in the bladder are crushed; in the process, the cleaning liquid is required to be kept in the box body all the time, and the liquid level of the cleaning liquid is lower than that of the air inlet nozzle;

s3, after the step S2, the blood clot is broken by the cleaning solution. Discharging the mixed liquid, closing the first motor, closing the first valve, opening the second valve, starting the second motor, indirectly driving the second piston plate to reciprocate by the second motor, discharging the air in the box body, reducing the pressure in the box body, and sucking the mixed liquid in the bladder into the box body through negative pressure and siphon action; in the process, the liquid level of the cleaning liquid is kept lower than the air outlet nozzle;

s4, closing the second valve, disconnecting the connecting pipe from the catheter, opening the valve with the material port connected with the box body, rotating the knob, discharging the mixed liquid in the box body, and completing single cleaning.

Preferably, the first motor and the second motor are both micro servo motors.

In addition, when the air inlet mechanism works, the first motor drives the first crankshaft and the first connecting rod to rotate, and the first connecting rod is rotatably connected with the first telescopic rod, so that the first telescopic rod drives the first piston plate to do reciprocating motion in the first shell; when the first piston plate moves downwards, the second air inlet is in a closed state, the first air inlet is opened to admit air, the third air inlet is in a closed state under the action of negative pressure, the fourth air inlet is in an open state under the action of pressure, air enters the air inlet nozzle from the fourth air inlet and enters the box body from the air inlet nozzle in an accelerated manner, and the pressure in the box body is increased; when the first piston plate moves upwards, the first air inlet is in a closed state, the second air inlet is in an open state, the third air inlet is in an open state under the action of pressure, the fourth air inlet is in a closed state, and air enters the air inlet nozzle from the third air inlet in an accelerated manner so as to increase the pressure in the box body; through the air inlet method, uniform and stable air flow can be generated, and the pressure in the box body is increased, so that the cleaning liquid in the box body can uniformly and quickly enter the bladder, large blood clots are broken, and subsequent cleaning and discharging are facilitated.

In addition, when the exhaust mechanism works, the second motor drives the second crankshaft and the second connecting rod to rotate, and the second connecting rod is rotatably connected with the second telescopic rod, so that the second telescopic rod drives the second piston plate to do reciprocating motion in the second shell; when the second piston plate moves downwards, the second air outlet is in a closed state, the first air outlet is opened, air in the box body is extracted, the third air outlet is in a closed state under the action of negative pressure, the fourth air outlet is in an open state under the action of pressure, air is rapidly discharged from the fourth air outlet, the pressure in the box body is rapidly reduced, mixed liquid in the bladder is sucked into the box body through negative pressure and siphon action, when the second piston plate moves upwards, the states of the four air outlets are opposite to the above, the air is rapidly discharged from the third air outlet, through the arrangement of the exhaust mechanism, the air in the box body is rapidly discharged, the pressure in the box body is reduced, the mixed liquid is rapidly discharged into the box body, and the cleaning speed is effectively improved.

In addition, when the blood clot is little in the bladder, the flow rate of cleaning fluid does not need to be increased to break the blood clot, at the moment, the first valve and the second valve are closed, the knob is rotated, the knob drives the lead screw to rotate, in the process of lead screw rotation, the movable plate and the lead screw generate relative displacement, the movable plate drives the connecting rod and the fixed plate to move downwards, the cleaning fluid is pushed to directly enter the bladder through the box body and the catheter to be washed, after the washing is completed, the knob is rotated reversely, the lead screw drives the fixed plate to move reversely, the cleaning fluid in the bladder is sucked into the box body, the connecting pipe and the catheter are disconnected, and the cleaning fluid in the box body is discharged. The threaded screw rod structure slowly drives the fixing plate to move stably at a constant speed, so that the stability of the cleaning liquid entering the bladder is improved, the discomfort of a patient is reduced, and the comfort is improved.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention relates to a flushing device for coagulated blood clots in bladder, which is characterized in that a suction mechanism is used for feeding cleaning liquid into a box body, the box body is pressurized by the arranged suction mechanism, the cleaning liquid is ensured to be in the box body when the box body is pressurized, the page of the cleaning liquid is lower than the height of an air inlet nozzle and an air outlet nozzle, the cleaning liquid is quickly fed into the bladder through a catheter by the pressurization, a certain impact force is generated on the coagulated blood clots in the bladder to break the coagulated blood clots, air in the box body is exhausted by an exhaust mechanism to reduce the pressure in the box body, the liquid in the bladder is pumped into the box body along with the cleaning liquid by the action of negative pressure and siphon, a first valve and a second valve are closed, a knob of the suction mechanism is rotated to discharge mixed liquid from the box body, a good cleaning effect is achieved on massive coagulated blood clots, the cleaning efficiency is effectively improved, and the pain of patients is reduced, increasing the comfort of the patient.

(2) According to the flushing device for the coagulated blood clots in the bladder, provided by the invention, through the arranged air inlet mechanism and the air inlet method, uniform and stable air flow can be generated, and the pressure in the box body is increased, so that cleaning liquid in the box body uniformly and quickly enters the bladder, large blood clots are crushed, and subsequent cleaning and discharging are facilitated.

(3) According to the flushing device for the coagulated blood clots in the bladder, the exhaust mechanism is arranged, so that gas in the box body is exhausted quickly, the pressure in the box body is reduced, a mixture enters the box body quickly and is exhausted, and the cleaning speed is improved effectively.

(4) According to the flushing device for the coagulated blood clots in the bladder, the fixed plate is driven to move stably at a slow and uniform speed through the arranged threaded screw rod structure, so that the stability of the cleaning fluid entering the bladder is improved, the discomfort of a patient is reduced, and the comfort is improved.

(5) According to the flushing device for the coagulated blood clots in the bladder, disclosed by the invention, the liquid level in the box body is prevented from being too high by limiting the relation between the diameter of the connecting pipe, the liquid level height and the flow of the cleaning liquid in the connecting pipe, the cleaning liquid is prevented from flowing into the air inlet mechanism or the air exhaust mechanism to influence the normal work of the device, and the cleaning liquid keeps a proper flow rate in order to further improve the cleaning speed.

(6) According to the flushing device for the coagulated blood clots in the bladder, disclosed by the invention, a stable flow speed is generated by limiting the relation between the pressure in the box body and the flow speed of the cleaning liquid, so that the damage to a human body is avoided, the coagulated blood clots can be broken, a good cleaning effect can be kept, and the cleaning speed is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the pumping mechanism of the present invention.

Fig. 3 is a schematic view of the intake mechanism of the present invention.

FIG. 4 is a schematic view of the venting mechanism of the present invention.

FIG. 5 is a schematic view of the intake mechanism crankshaft connecting rod of the present invention.

FIG. 6 is a schematic view of an exhaust mechanism crankshaft connecting rod of the present invention.

FIG. 7 is a schematic view of the damper closure of the present invention.

FIG. 8 is a schematic view of the damper opening of the present invention.

Fig. 9 is a schematic diagram of the structure of the movable plate of the present invention.

In the figure: 1. a suction mechanism; 2. an air intake mechanism; 3. an exhaust mechanism; 4. a box body; 5. an air inlet nozzle; 6. a first valve; 7. an air outlet nozzle; 8. a second valve; 9. a connecting pipe; 101. A barrel; 102. a screw rod; 103. a knob; 104. a movable plate; 105. a connecting rod; 106. a chute; 107. a limiting block; 108. a slider; 109. a fixing plate; 110. a material port; 111. a threaded hole; 21. a first housing; 22. a first separator; 23. a first motor; 24. a first crankshaft; 25. a first link; 26. a first telescopic rod; 27. a first piston plate; 28. a first air inlet; 29. a second air inlet; 210. a third air inlet; 211. a fourth air inlet; 212. filtering with a screen; 213. a damper; 31. a second housing; 32. a second separator; 33. a second motor; 34. a second crankshaft; 35. a second link; 36. a second telescopic rod; 37. a first air outlet; 38. a first air outlet; 39. a first air outlet; 310. A first air outlet; 311. a second piston plate; 312. a ventilation cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1, the intravesical clot flushing device comprises a suction mechanism 1; a material opening 110 is formed in one end of the suction mechanism 1, the material opening 110 is connected with a box body 4, the box body 4 is of a sealing structure, the other end of the box body 4 is connected with a connecting pipe 9, and the connecting pipe 9 is connected with a catheter; an air inlet mechanism 2 is arranged on one side of the box body 4, and an exhaust mechanism 3 is arranged on the symmetrical side of the supercharging mechanism;

one side of the air inlet mechanism 2 is connected with an air inlet nozzle 5, the air inlet nozzle 5 is communicated with the position, close to the top, of the box body 4, the air inlet nozzle 5 is provided with a first valve 6, one side of the exhaust mechanism 3 is provided with an air outlet nozzle 7, the air outlet nozzle 7 is provided with a second valve 8, and the air outlet nozzle 7 is communicated with the position, close to the top, of the box body 4;

send into the washing liquid through suction mechanism 1 in box body 4, carry out the pressure boost in suction mechanism 1 to box body 4 through the setting, guarantee that there is the washing liquid in the box body 4 during the pressure boost, and the page of washing liquid is less than the height of suction nozzle 5 and play gas nozzle 7, make the washing liquid pass through the catheter and enter into the bladder fast through the pressure boost, to the interior clot of congealing of bladder produce certain impact force, it is broken to congeal the clot, the air escape in 3 with the box body 4 of rethread exhaust mechanism, reduce pressure, effect through negative pressure and siphon, liquid in the bladder is taken out in box body 4 along with the washing liquid, extract the catheter, discharge in connecting pipe 9 through suction mechanism 1 with the mixture in the box body 4.

A valve is arranged at the position of a material opening 110 of the suction mechanism 1, and a valve is arranged at the joint of the box body 4 and the catheter. The fixing plate 109 is provided with an annular rubber sleeve and is connected with the cylinder 101 in a sealing manner. The first motor 23 and the second motor 33 are both micro servo motors.

Example two:

as shown in fig. 2 and 9, on the basis of the first embodiment, the pumping mechanism includes a cylinder 101, a screw rod 102 penetrates through one end of the cylinder 101, the screw rod 102 is connected with the cylinder 101 in a matching and rotating manner, a knob 103 is arranged at one end of the screw rod 102, and the knob 103 is arranged outside the cylinder 101; the screw rod 102 is provided with a movable plate 104, a threaded hole 111 is formed in the center of the movable plate 104, and the threaded hole 111 is connected with the screw rod 102 in a matching and rotating manner.

One side of the movable plate 104 is symmetrically connected with two connecting rods 105, the other end of each connecting rod 105 is connected with a fixed plate 109, and the opposite side surfaces of the two connecting rods 105 are both provided with a sliding groove 106; the other end of the screw rod 102 is connected with a limiting block 107, two end parts of the limiting block 107 are both connected with a sliding block 108, and the sliding block 108 is in matched sliding connection with the sliding groove 106; one end of the cylinder body 101, which is far away from the knob 103, is provided with a material opening 110, and the material opening 110 is communicated with the box body 4.

Example three:

as shown in fig. 3, 5, and 7, in the first embodiment, the air intake mechanism 2 includes a first housing 21, a first partition 22 is disposed inside the first housing 21, a cavity is formed between the first partition 22 and the first housing 21, a first piston plate 27 is disposed in the cavity, a first telescopic rod 26 is connected to one side of the first piston plate 27, the first telescopic rod 26 penetrates through a wall of the first housing 21 and is slidably connected to a gap of the wall of the first housing 21, a first connecting rod 25 is connected to the other end of the first telescopic rod 26, a first crankshaft 24 is connected to the first connecting rod 25, the first crankshaft 24 is driven by a first motor 23, and the first motor 23 is connected to a top of the first housing 21.

A first air inlet 28 and a second air inlet 29 are formed in the positions, close to the two ends, of one side, far away from the air inlet nozzle 5, of the first shell 21, and filter screens 212 are arranged on the outer sides of the first air inlet 28 and the second air inlet 29; the first partition 22 is provided with a third air inlet 210 and a fourth air inlet 211 near two ends.

The air doors 213 are arranged on one sides of the first air inlet 28 and the second air inlet 29 close to the first piston plate 27, and the air doors 213 are rotatably connected with the inner wall of the first shell 21 through hinges; and the third air inlet 210 and the fourth air inlet 211 are provided with a damper 213 on one side far away from the first piston plate 27, and the damper 213 is rotatably connected with the first partition plate 22 through a hinge.

When the air inlet mechanism 2 works, the first motor 23 drives the first crankshaft 24 and the first connecting rod 25 to rotate, and the first connecting rod 25 is rotatably connected with the first telescopic rod 26, so that the first telescopic rod 26 drives the first piston plate 27 to do reciprocating motion in the first shell 21; when the first piston plate 27 moves downwards, the second air inlet 29 is in a closed state, the first air inlet 28 is opened to supply air, the third air inlet 210 is in a closed state under the action of negative pressure, the fourth air inlet 211 is in an open state under the action of pressure, and air enters the air inlet nozzle 5 from the fourth air inlet 211, accelerates from the air inlet nozzle 5 into the box body 4 and increases the pressure in the box body 4; when the first piston plate 27 moves upwards, the first air inlet 28 is in a closed state, the second air inlet 29 is in an open state, the third air inlet 210 is in an open state under pressure, the fourth air inlet 211 is in a closed state, and air is accelerated to enter the air inlet nozzle 5 from the third air inlet 210, so that the pressure in the box body 4 is increased; through the air inlet method, uniform and stable air flow can be generated, and the pressure in the box body 4 is increased, so that cleaning liquid in the box body 4 can uniformly and quickly enter the bladder, large blood clots are broken, and subsequent cleaning and discharging are facilitated.

Example four

As shown in fig. 4, 6, and 8, in the first embodiment, the exhaust mechanism 3 includes a second housing 31, a second partition 32 is disposed inside the second housing 31, a cavity is formed between the second partition 32 and the second housing 31, a second piston plate 311 is disposed in the cavity, a second expansion link 36 is connected to one side of the second piston plate 311, the second expansion link 36 penetrates through a wall of the second housing 31 and is slidably connected to a gap of the wall of the second housing 31, a second connecting rod 35 is connected to the other end of the second expansion link 36, a second crankshaft 34 is connected to the second connecting rod 35, the second crankshaft 34 is driven by a second motor 33, and the second motor 33 is connected to a top of the second housing 31.

A first air outlet 37 and a second air outlet 38 are formed at the positions, close to the two ends, of the second partition plate 32; a third air outlet 39 and a fourth air outlet 310 are arranged at the position, close to the two ends, of one side, far away from the air outlet nozzle 7, of the second shell 31, a ventilation cover 312 is arranged on the outer sides of the third air outlet 39 and the fourth air outlet 310, and the ventilation cover 312 is connected with the second shell 31.

The air doors 213 are arranged on one sides of the first air outlet 37 and the second air outlet 38 close to the second piston plate 311, and the air doors 213 are rotatably connected with the second partition plate 32 through hinges; and a damper 213 is arranged on one side of the third air inlet 210 and one side of the fourth air inlet 211, which are far away from the second piston plate 311, and the damper 213 is rotatably connected with the outer side wall of the second shell 31 through a hinge.

When the exhaust mechanism 3 works, the second motor 33 drives the second crankshaft 34 and the second connecting rod 35 to rotate, and the second connecting rod 35 is rotatably connected with the second telescopic rod 36, so that the second telescopic rod 36 drives the second piston plate 311 to do reciprocating motion in the second housing 31; when the second piston plate 311 moves downwards, the second air outlet 38 is in a closed state, the first air outlet 37 is opened, air in the box body 4 is extracted, the third air outlet 39 is in a closed state under the action of negative pressure, the fourth air outlet 310 is in an open state under the action of pressure, the air is quickly discharged from the fourth air outlet 310, the pressure in the box body 4 is quickly reduced, mixed liquid in the bladder is sucked into the box body 4 through negative pressure and siphon action, when the second piston plate 311 moves upwards, the states of the four air outlets are opposite to the above, the air is quickly discharged from the third air outlet 39, the air in the box body 4 is quickly discharged through the exhaust mechanism 3, the pressure in the box body 4 is reduced, the mixed liquid quickly enters the box body 4 and is discharged, and the cleaning speed is effectively improved.

EXAMPLE five

On the basis of the first embodiment, the bladder clot flushing device adopts a bladder clot cleaning method, and comprises the following steps:

s1, sucking the cleaning liquid by the suction mechanism 1, rotating the knob 103 after the material port 110 is butted with the box body 4, driving the movable plate 104 and the fixed plate 109 to press downwards through the screw rod 102, and injecting the cleaning liquid into the box body 4;

s2, after the cleaning liquid is injected into the box body 4, the first valve 6 is kept open, the second valve 8 is kept closed, the valve of the material opening 110 is closed, and the valve of the connecting pipe 9 is opened; the first motor 23 is started to drive the first piston plate 27 to move, the flow rate of the air inlet nozzle 5 is increased, the pressure of air in the box body 4 is increased, the cleaning fluid in the box body 4 enters the catheter at a certain speed through the connecting pipe 9, and blood clots in the bladder are broken; in the process, the cleaning liquid is required to be kept in the box body 4 all the time, and the liquid level of the cleaning liquid is lower than the air inlet nozzle 5;

s3, after the step S2, the blood clot is broken by the cleaning solution. Discharging the mixed liquid, closing the first motor 23, closing the first valve 6, opening the second valve 8, starting the second motor 33, indirectly driving the second piston plate 311 to reciprocate by the second motor 33, discharging air in the box body 4, reducing the pressure in the box body 4, and sucking the mixed liquid in the bladder into the box body 4 through negative pressure and siphon action; in the process, the liquid level of the cleaning liquid is kept lower than the air outlet nozzle 7;

s4, the second valve 8 is closed, the connection between the connecting pipe 9 and the catheter is disconnected, the valve with the material opening 110 connected with the box body 4 is opened, the knob 103 is rotated, the mixed liquid in the box body 4 is discharged, and single cleaning is completed.

EXAMPLE six

When the blood clots in the bladder are small, the blood clots are broken without increasing the flow rate of the cleaning solution, at the moment, the first valve 6 and the second valve 8 are closed, the knob 103 is rotated, the knob 103 drives the screw rod 102 to rotate, in the rotating process of the screw rod 102, the movable plate 104 and the screw rod 102 are relatively displaced, the movable plate 104 drives the connecting rod 105 and the fixing plate 109 to move downwards, the cleaning solution is pushed to directly enter the bladder through the box body 4 and the catheter for washing, after the washing is completed, the knob 103 is rotated reversely, the screw rod 102 drives the fixing plate 109 to move reversely, the cleaning solution in the bladder is sucked into the box body 4, the connecting pipe 9 and the catheter are disconnected, and the cleaning solution in the box body 4 is discharged. The fixing plate 109 is slowly driven to move stably at a constant speed through the arranged threaded screw rod 102 structure, so that the stability of the cleaning liquid entering the bladder is improved, the discomfort of a patient is reduced, and the comfort is improved.

EXAMPLE seven

In order to prevent the liquid level in the box body 4 too high, prevent that the washing liquid from flowing into air inlet mechanism 2 or exhaust mechanism 3, influence the device and normally work, in order to further improve washing speed, the washing liquid keeps suitable velocity of flow, and 9 diameter D of connecting pipe, liquid level height l and the interior washing liquid flow q of connecting pipe 9 satisfy following formula: 2q = δ · π D²tlv^1/2；

In the above formula, D is in cm; the unit of l is m; v is the flow rate of the cleaning solution in cm/s; pi is the circumference ratio; delta is a flow coefficient, and the value range is 0.365-6.698; t is a unit time.

When the pressure P of the gas output from the third inlet 210 and the fourth inlet 211 is higher, the flow velocity v of the cleaning solution is higher, which is more likely to break blood clots, but in order to generate a stable flow velocity and avoid human body from being damaged, the flow velocity of the cleaning solution is not too high, and the pressure P in the box body 4 and the flow velocity v of the cleaning solution satisfy P = η · 8lv/D²(ii) a In the above formula, P unit is pascal; eta is the pressure coefficient, and the value range is 5.63-26.3.

The formula is an empirical formula, only numerical calculation is carried out, the larger the pressure is, the faster the flow rate of the cleaning solution is, the more easily blood clots are broken, when the pressure in the box body 4 is 2kPa and the liquid level height l is 20cm, the diameter of the connecting pipe 9 is 0.5cm, eta is 10, and the flow rate of the cleaning solution is 2.4 cm/s; when the pressure in the box body 4 is 1kPa and the liquid level height l is 20cm, the diameter of the connecting pipe 9 is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 1.25 cm/s; when the pressure in the box body 4 is 1.5kPa and the liquid level height l is 20cm, the diameter of the connecting pipe 9 is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 1.99 cm/s; when the pressure in the box body 4 is 2.5kPa and the liquid level height l is 20cm, the diameter of the connecting pipe 9 is 0.5cm, eta is 10, and the flow speed of the cleaning liquid is 3.12 cm/s. According to the data, in order to avoid the damage to the human body caused by the excessively high flow rate of the cleaning solution, the pressure p in the box body 4 is limited to be less than or equal to 2kPa and more than or equal to 1kPa, namely the flow rate v of the cleaning solution is less than or equal to 2.4cm/s and more than or equal to 1.25 cm/s; the blood clot can be broken, the good cleaning effect can be kept, and the cleaning speed is improved.

The device obtained by the technical scheme is a flushing device for the coagulated blood clots in the bladder, cleaning liquid is sent into the box body through the suction mechanism, the box body is pressurized through the arranged suction mechanism, the cleaning liquid is ensured to be in the box body when the pressure is boosted, the page of the cleaning liquid is lower than the heights of the air inlet nozzle and the air outlet nozzle, the cleaning liquid is quickly sent into the bladder through the catheter through the pressurization, certain impact force is generated on the coagulated blood clots in the bladder to crush the coagulated blood clots, air in the box body is exhausted through the exhaust mechanism to reduce the pressure in the box body, the liquid in the bladder is pumped into the box body along with the cleaning liquid through the action of negative pressure and siphon, the first valve and the second valve are closed, mixed liquid is discharged from the box body through rotating the knob of the suction mechanism, good cleaning effect is achieved on massive coagulated blood, and meanwhile the cleaning efficiency is effectively improved, reduce the pain of the patient and increase the comfort of the patient. Through the air inlet mechanism and the air inlet method, uniform and stable airflow can be generated, and the pressure in the box body is increased, so that cleaning liquid in the box body can uniformly and quickly enter the bladder, large blood clots are crushed, and subsequent cleaning and discharging are facilitated. Through setting up exhaust mechanism, the gaseous in the box body of quick discharge reduces the pressure in the box body, makes the mixture advance as if discharge in the box body fast, effectively promotes cleaning speed. The threaded screw rod structure slowly drives the fixing plate to move stably at a constant speed, so that the stability of the cleaning liquid entering the bladder is improved, the discomfort of a patient is reduced, and the comfort is improved. Through injecing the connecting pipe diameter, the relation between the cleaning fluid flow in liquid level height and the connecting pipe prevents that the liquid level in the box body is too high, prevents that the washing liquid from flowing into air inlet mechanism or exhaust mechanism, influences the device and normally works, in order to further improve washing speed, and the washing liquid keeps suitable velocity of flow. Through the relation between the velocity of flow of the pressure of injecing in the box body and washing liquid, produce stable velocity of flow, avoid the human body to receive the damage, can broken the clot, can keep good cleaning performance again, promote the washing speed.

Other technical solutions not described in detail in the present invention are prior art in the field, and are not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.