阅读说明：本技术 一种外周干细胞及骨髓血回输器 (peripheral stem cell and bone marrow blood back transfusion device ) 是由 石光 于琼 李冬 郝书弘 胡春梅 曲荣锋 于 2019-08-27 设计创作，主要内容包括：本发明涉及医疗用具技术领域,且公开了一种外周干细胞及骨髓血回输器,包括输液管,输液管采用无毒无害材料制成,所述输液管的外侧固定安装有控压囊和保护壳,所述控压囊位于保护壳的上方,所述控压囊的内部固定连接有隔板,所述隔板顶部的左侧开设有连通孔；该外周干细胞及骨髓血回输器,通过在输液管上安装控压囊,使用时,随着控压囊内隔板下方血液慢慢流出,浮板缓缓下降,当拉扯绳被拉直时,浮块开始通过拉扯绳带动拉杆向下移动,拉杆拉动滑杆,滑杆竖直向下移动,通过倾斜通孔带动卡杆向右移动进入活动腔,通过L形孔连通隔板上下两侧,使隔板上方血液流到下方,卡杆移动到隔板下方后,上述结构复位。(The invention relates to the technical field of medical appliances, and discloses a peripheral stem cell and bone marrow blood reinfusion device which comprises a perfusion tube, wherein the perfusion tube is made of non-toxic and harmless materials, a pressure control bag and a protective shell are fixedly installed on the outer side of the perfusion tube, the pressure control bag is positioned above the protective shell, a partition plate is fixedly connected inside the pressure control bag, and a communicating hole is formed in the left side of the top of the partition plate; this peripheral stem cell and marrow blood feedback ware, through the installation accuse pressure bag on the transfer line, during the use, along with accuse pressure bag inner separator below blood flows out slowly, the kickboard descends slowly, when dragging the rope and being straightened, the kicking block begins to drive the pull rod downstream through dragging the rope, pull rod pulling slide bar, the vertical downstream of slide bar, drive kelly through the slope through-hole and remove right the entering activity chamber that moves, through both sides about L shape hole intercommunication baffle, make baffle top blood flow to the below, the kelly removes behind the baffle below, above-mentioned structure resets.)

1. the utility model provides a peripheral stem cell and marrow blood feedback ware, includes transfer line (1), its characterized in that: the infusion tube is characterized in that a pressure control bag (2) and a protective shell (21) are fixedly mounted on the outer side of the infusion tube (1), a partition plate (3) is fixedly connected to the interior of the pressure control bag (2), a communicating hole (4) is formed in the top of the partition plate (3), a communicating block (5) is movably connected to the interior of the communicating hole (4), an L-shaped hole (6) is formed in the top of the communicating block (5), a movable cavity (7) is formed in the interior of the communicating block (5), a clamping rod (8) extending into the movable cavity (7) is arranged on the left side of the communicating block (5) in an inserting mode, a sliding rod (9) is arranged on the top of the clamping rod (8) in an inserting mode, a pull rod (10) is fixedly connected to the bottom of the sliding rod (9), a push groove (11) is formed in the right side of the pull rod (10, a compression groove (13) is formed in the bottom of the communicating block (5), a reset spring (14) is fixedly connected inside the compression groove (13), a thrust air bag (15) is embedded in the bottom of the communicating block (5) and positioned on the right side of the compression groove (13), a connecting air pipe (16) is fixedly connected between the thrust air bag (14) and the spring bag (10), a compression block (17) is fixedly connected to the bottom of the thrust air bag (15), a connecting spring (18) is fixedly connected to the bottom of the compression block (17), a floating block (19) is fixedly connected to the bottom of the connecting spring (18), and a pulling rope (20) is fixedly connected between the floating block (19) and the pull rod (10);

the inner wall fixedly connected with sleeve pipe (22) of protective housing (21), the inside swing joint of sleeve pipe (22) has piston (23), one side fixedly connected with that sleeve pipe (22) was kept away from to the piston extends to inside current-limiting block (24) of transfer line (1), the internally mounted of transfer line (1) has check valve (25), the inner wall of transfer line (1) is inlayed and is had inflatable airbag (26), fixedly connected with aerifys trachea (27) between inflatable airbag (26) and sleeve pipe (22).

2. The peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the return spring (14) is connected with the pull rod (10).

3. the peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the inflatable air bag (26) and the flow limiting block (24) are distributed on two sides of the one-way valve (25).

4. the peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the density of the floating block (19) is less than 1 gram per cubic centimeter, and the mass of the floating block is greater than the elastic force of the return spring (14).

5. The peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the height difference between the two openings of the L-shaped hole (6) is larger than the thickness of the partition plate (3).

6. the peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the top of the clamping rod (8) is provided with a through hole which is inclined to the right, and the sliding rod (9) penetrates through the through hole.

7. The peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the flow rate of the L-shaped hole (6) is larger than that of the infusion tube (1).

8. The peripheral stem cell and bone marrow reinfusion device according to claim 1, wherein: the inflation air pipe (27) is positioned between the opening of the sleeve (22) and the sealing plate of the piston (23).

Technical Field

the invention relates to the technical field of medical appliances, in particular to a peripheral stem cell and bone marrow blood back transfusion device.

Background

with the continuous aggravation of environmental pollution in China, the exceeding of various heavy metals and the increasing confusion of work and rest time, the probability of blood diseases and kidney diseases of people is increased, and the current treatment methods for the two diseases comprise hemodialysis and bone marrow transplantation, and both the two treatment methods relate to blood exchange.

During blood transfusion, the blood bag is hung at a high position, blood enters a human body through a pipeline, the blood flowing speed is adjusted according to the human body condition, discomfort caused by too fast or too slow blood transfusion of a patient can be avoided, but along with reduction of the amount of the blood in the blood bag, the pressure in the blood bag is reduced, the blood transfusion speed is possibly slower and slower, discomfort is brought to the human body, and the blood transfusion speed is slowed down, so that the problem is solved by providing the peripheral stem cell and bone marrow blood reinfusion device aiming at the problems.

disclosure of Invention

The present invention is directed to solve the above problems of the background art, such as the inability to stabilize the blood transfusion pressure, and provides a peripheral stem cell and bone marrow blood reinfusion device.

The invention adopts the following technical scheme for realizing the technical purpose: a peripheral stem cell and bone marrow blood reinfusion device comprises a perfusion tube, wherein the perfusion tube is made of non-toxic and harmless materials, a pressure control bag and a protective shell are fixedly installed on the outer side of the perfusion tube, the pressure control bag is located above the protective shell, a partition plate is fixedly connected inside the pressure control bag, and a communicating hole is formed in the left side of the top of the partition plate;

a communicating block is movably connected inside the communicating hole in a sliding mode, an L-shaped hole is formed in the top of the communicating block, a movable cavity is formed in the communicating block, a clamping rod extending into the movable cavity is arranged on the left side of the communicating block in an inserting mode, a sliding rod is arranged on the top of the clamping rod in an inserting mode, a pull rod is fixedly connected to the bottom of the sliding rod and extends into a compression groove, a pushing groove is formed in the right side of the pull rod, and a spring bag is fixedly connected to the inner bottom wall of the pushing groove;

A compression groove is formed in the bottom of the communicating block, a return spring is fixedly connected inside the compression groove, a thrust air bag is embedded in the bottom of the communicating block and positioned on the right side of the compression groove, a connecting air pipe is fixedly connected between the thrust air bag and the spring bag, and the compression block is fixedly connected to the bottom of the thrust air bag;

The bottom of the compression block is fixedly connected with a connecting spring, the bottom of the connecting spring is fixedly connected with a floating block, and a pulling rope is fixedly connected between the floating block and the pull rod;

The inner wall of the protective shell is fixedly connected with a sleeve, a piston is movably connected inside the sleeve, a sealing plate is arranged on the right side of the piston away from the infusion tube, a flow limiting block extending into the infusion tube is fixedly connected to one side of the piston away from the sleeve, a one-way valve is arranged inside the infusion tube, an inflatable air bag is embedded in the inner wall of the infusion tube, and an inflatable air tube is fixedly connected between the inflatable air bag and the sleeve;

As optimization, the return spring is connected with the pull rod, the inflatable air bag and the flow limiting block are distributed on two sides of the one-way valve, the density of the floating block is less than each cubic centimeter gram, and the mass of the floating block is greater than the elastic force of the return spring;

As optimization, the height difference between two openings of the L-shaped hole is larger than the thickness of the partition plate, the flow of the L-shaped hole is larger than that of the infusion tube, a through hole which is inclined to the right is formed in the top of the clamping rod, and the sliding rod penetrates through the through hole;

As optimization, the inflation air pipe is positioned between the sleeve opening and the piston sealing plate, and the pressure control bag is divided into two sections with the same size by the partition plate;

as optimization, the pressure control bag is close to the blood bag, the distance from the pressure control bag to the ground does not need to be a little eight meters, the protective shell is close to the human body, and the distance from the protective shell to the needle head is not more than ten centimeters;

Preferably, the length of the pulling rope is less than one half of the length of the pressure control bag.

The invention has the following beneficial effects:

1. This peripheral stem cell and marrow blood feedback ware through install the accuse pressure bag on the transfer line, during the use, along with accuse pressure bag inner baffle below blood slowly flows out, and the floating plate descends slowly, and the intercommunication piece is blocked by the kelly this moment.

As shown in fig. 1-2, when the pulling rope is straightened, the floating block starts to drive the pull rod to move downwards through the pulling rope, the pull rod pulls the slide rod, the slide rod vertically moves downwards, the clamping rod is driven to move rightwards through the inclined through hole to enter the movable cavity, the communicating block loses the limitation and is moved downwards along the communicating hole, the upper side and the lower side of the partition plate are communicated through the L-shaped hole, blood above the partition plate flows to the lower side, and after the clamping rod moves to the lower side of the partition plate, the structure is reset.

along with baffle below blood slowly increases, the kickboard rebound, compression connecting spring, connecting spring oppression thrust gasbag, the shrink of thrust gasbag, inside air gets into the spring bag through connecting the trachea, and the spring bag is expanded, promotes the pull rod and moves down, and with the above principle, the kelly income activity chamber, the intercommunication piece loses the restriction, and compressed connecting spring promotes the intercommunication piece and resets.

The transfusion tube is divided into two parts, so that the transfusion speed is not influenced by the stock of blood bags any more, the transfusion speed is stabilized, repeated adjustment is not needed, the comfort and the safety of treatment of patients are ensured, and the transfusion tube can be more suitable for the current market.

2. This peripheral stem cell and marrow blood feedback ware, through at the intraductal current limiting device of infusion, along with the blood transfusion, when human blood is sufficient gradually, human blood vessel internal pressure risees, because the transfer line communicates with each other with human blood vessel, transfer line internal pressure also along with the rising, aerify the gasbag and receive the extrusion, the air is through aerifing the trachea and flowing in the cover intraductally, promote the piston through the air and drive the restriction piece and keep away from the transfer line, increase transfer line circulation, guarantee the stability of infusion, prevent to respond to the increase of intravascular pressure, lead to the blood transfusion to slow.

3. this peripheral stem cell and marrow blood transfusion device through installation check valve in the transfer line, this separates current-limiting piece and gasbag, has guaranteed the perfect of above-mentioned operational environment, starts the effect that prevents the backward flow simultaneously, the patient safety of assurance.

drawings

FIG. 1 is a schematic diagram of a peripheral stem cell and bone marrow blood transfusion apparatus according to the present invention;

FIG. 2 is a schematic diagram of a first state of a pressure control bladder of the peripheral stem cell and bone marrow blood reinfusion apparatus structure according to the present invention;

FIG. 3 is a schematic diagram of a second state of a pressure control bladder of the peripheral stem cell and bone marrow blood reinfusion apparatus structure according to the present invention;

FIG. 4 is a schematic diagram of a third state of a pressure control bladder of the peripheral stem cell and bone marrow blood reinfusion apparatus according to the present invention;

FIG. 5 is a partial enlarged view of the peripheral stem cell and bone marrow blood reinfusion apparatus of the present invention shown in FIG. 2;

FIG. 6 is a partially enlarged view of a peripheral stem cell and bone marrow blood reinfusion apparatus of the present invention as shown in FIG. 3;

FIG. 7 is a partially enlarged view of a peripheral stem cell and bone marrow blood reinfusion apparatus of the present invention shown in FIG. 4;

FIG. 8 is a large view at A of the structure of the peripheral stem cell and bone marrow blood transfusion apparatus of the present invention shown in FIG. 5;

FIG. 9 is a view of the peripheral stem cell and bone marrow blood reinfusion apparatus of the present invention at the point B in FIG. 5;

FIG. 10 is a view of a large area at C of the block diagram 6 of the peripheral stem cell and bone marrow blood reinfusion apparatus according to the present invention;

FIG. 11 is a large view at D of the block diagram 6 of a peripheral stem cell and bone marrow blood reinfusion apparatus according to the present invention;

FIG. 12 is a large view at E in FIG. 7 of a peripheral stem cell and bone marrow blood reinfusion apparatus according to the present invention;

FIG. 13 is a large drawing at F of FIG. 7 illustrating the construction of a peripheral stem cell and bone marrow blood reinfusion apparatus according to the present invention;

FIG. 14 is a schematic view of the protective shell of the peripheral stem cell and bone marrow blood transfusion apparatus of the present invention.

in the figure: 1-an infusion tube, 2-a pressure control bag, 3-a clapboard, 4-a communication hole, 5-a communication block, 6-an L-shaped hole, 7-a movable cavity, 8-a clamping rod, 9-a sliding rod, 10-a pull rod, 11-a pushing groove, 12-a spring bag, 13-a compression groove, 14-a return spring, 15-a thrust air bag, 16-a connecting air tube, 17-a compression block, 18-a connecting spring, 19-a floating block, 20-a pulling rope, 21-a protective shell, 22-a sleeve, 23-a piston, 24-a flow limiting block, 25-a one-way valve, 26-an inflation air bag and 27-an inflation air tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

referring to fig. 1 to 14, a peripheral stem cell and bone marrow blood feedback device comprises a perfusion tube 1, the perfusion tube 1 is made of non-toxic and harmless materials, a pressure control bag 2 and a protective shell 21 are fixedly installed on the outer side of the perfusion tube 1, the pressure control bag 2 is positioned above the protective shell 21, the pressure control bag 2 is close to a blood bag, the distance from the pressure control bag 2 to the ground does not need to be a little eight meters, a partition plate 3 is fixedly connected inside the pressure control bag 2, the pressure control bag 2 is divided into two regions with the same size by the partition plate 3, and a communication hole 4 is formed in the left side of the top of the partition;

A communicating block 5 is slidably and movably connected inside the communicating hole 4, an L-shaped hole 6 is formed in the top of the communicating block 5, the height difference between two openings of the L-shaped hole 6 is larger than the thickness of the partition plate 3, the flow of the L-shaped hole 6 is larger than that of the infusion tube 1, a movable cavity 7 is formed inside the communicating block 5, a clamping rod 8 extending into the movable cavity 7 is arranged on the left side of the communicating block 5 in an inserting mode, a through hole inclining to the right is formed in the top of the clamping rod 8, a sliding rod 9 is arranged on the top of the clamping rod 8 in an inserting mode, the sliding rod 9 penetrates through the through hole, a pull rod 10 is fixedly connected to the bottom of the sliding rod 9, the pull rod 10 extends into a compression groove 13, a pushing groove 11 is formed in the;

A compression groove 13 is formed in the bottom of the communicating block 5, a return spring 14 is fixedly connected inside the compression groove 13, the return spring 14 is connected with the pull rod 10, a thrust air bag 15 is embedded in the bottom of the communicating block 5 and positioned on the right side of the compression groove 13, a connecting air pipe 16 is fixedly connected between the thrust air bag 14 and the spring bag 12, and a compression block 17 is fixedly connected to the bottom of the thrust air bag 15;

the bottom of the compression block 17 is fixedly connected with a connecting spring 18, the bottom of the connecting spring 18 is fixedly connected with a floating block 19, the density of the floating block 19 is less than 1 gram per cubic centimeter, the mass of the floating block is greater than the elastic force of the return spring 14, a pulling rope 20 is fixedly connected between the floating block 19 and the pull rod 10, and the length of the pulling rope 20 is less than one half of the length of the pressure control bag 2;

the inner wall of the protective shell 21 is fixedly connected with a sleeve 22, the protective shell 21 is close to a human body, the distance between the protective shell 21 and a needle is not more than ten centimeters, a piston 23 is movably connected inside the sleeve 22, a sealing plate is arranged on the right side of the piston 23 away from the infusion tube 1, a flow limiting block 24 extending into the infusion tube 1 is fixedly connected to one side of the piston 23 away from the sleeve 22, a one-way valve 25 is arranged inside the infusion tube 1, an inflatable air bag 26 is inlaid in the inner wall of the infusion tube 1, the inflatable air bag 26 and the flow limiting block 24 are distributed on two sides of the one-way valve 25, an inflatable air pipe 27 is fixedly connected between the inflatable air bag 26 and.

the working principle and the process of the invention are as follows:

When the blood pressure control bag is used, as blood below the baffle 3 in the pressure control bag 2 slowly flows out, the floating plate 19 slowly descends, and the communicating block 5 is clamped by the clamping rod 8;

As shown in fig. 1 to 2, when the pulling rope 20 is pulled straight, the floating block 19 starts to drive the pull rod 10 to move downwards through the pulling rope 20, the pull rod 10 pulls the slide rod 9, the slide rod 9 moves vertically downwards, the clamping rod 8 is driven to move rightwards through the inclined through hole to enter the movable cavity 7, the communicating block 5 loses the limitation and moves downwards along the communicating hole 4, the upper side and the lower side of the partition plate 3 are communicated through the L-shaped hole 6, blood above the partition plate 3 flows to the lower side, and after the clamping rod 8 moves below the partition plate 3, the structure is reset.

Along with the blood slowly increases below the partition plate 3, the floating plate 19 moves upwards, the connecting spring 18 is compressed, the connecting spring 18 presses the thrust air bag 15, the thrust air bag 15 contracts, the internal air enters the spring bag 12 through the connecting air pipe 16, the spring bag 12 stretches, the pull rod 10 is pushed to move downwards, the clamping rod 8 is retracted into the movable cavity 7, the communicating block 5 loses the limitation, and the compressed connecting spring 18 pushes the communicating block 5 to reset.

when the blood of a human body is gradually sufficient along with blood transfusion, the pressure in the blood vessel of the human body rises, because the transfusion tube 1 is communicated with the blood vessel of the human body, the pressure in the transfusion tube 1 also rises, the inflatable air bag 26 is extruded, air flows into the sleeve 22 through the inflatable air tube 27, the piston 23 is pushed by the air to drive the flow limiting block 24 to be far away from the transfusion tube 1, the flow rate of the transfusion tube 1 is increased, and the stability of the transfusion is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.