阅读说明：本技术 一种用于引产或引流的生殖道扩张装置 (Genital tract expansion device for induced labor or drainage ) 是由 杨春华 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种用于引产或引流的生殖道扩张装置,包括电子眼和套筒,所述套筒的内壁固定连接有电机,所述电机上输出轴的左端固定连接有矩形杆,所述套筒内设有螺杆,所述螺杆的右端开设有矩形孔,所述矩形孔的内壁与矩形杆的表面滑动连接,所述套筒的内壁固定连接有内螺纹环,所述内螺纹环的内壁与螺杆的表面螺接,所述挡板的左侧固定连接有透明气囊,所述螺杆的左端贯穿挡板并与电子眼的表面固定连接。本发明,通过上述结构之间的配合使用,解决了在实际使用过程中,由于传统的扩张叶片在运动时极易对孕妇阴部的皮肤组织造成损伤,容易造成伤口感染等情况,给使用带来安全隐患,给使用带来不便的问题。(The invention discloses a genital tract expansion device for induced labor or drainage, which comprises an electronic eye and a sleeve, wherein the inner wall of the sleeve is fixedly connected with a motor, the left end of an output shaft on the motor is fixedly connected with a rectangular rod, a screw rod is arranged in the sleeve, the right end of the screw rod is provided with a rectangular hole, the inner wall of the rectangular hole is in sliding connection with the surface of the rectangular rod, the inner wall of the sleeve is fixedly connected with an internal thread ring, the inner wall of the internal thread ring is in threaded connection with the surface of the screw rod, the left side of a baffle is fixedly connected with a transparent air bag, and the left end of the screw rod penetrates through the baffle and is fixedly connected with. The invention solves the problems that the traditional expansion blade is easy to damage skin tissues of the pudendum of a pregnant woman during movement and cause wound infection and the like, thereby bringing potential safety hazards and inconvenience to use in the actual use process through the matching use of the structures.)

1. A genital tract expansion device for induction of labor or drainage, comprising: the electronic eye comprises an electronic eye (1) and a sleeve (2), wherein the inner wall of the sleeve (2) is fixedly connected with a motor (3), the left end of an output shaft on the motor (3) is fixedly connected with a rectangular rod (4), and a screw rod (5) is arranged in the sleeve (2);

the right end of the screw rod (5) is provided with a rectangular hole (6), the inner wall of the rectangular hole (6) is connected with the surface of the rectangular rod (4) in a sliding manner, the inner wall of the sleeve (2) is fixedly connected with an internal thread ring (7), the inner wall of the internal thread ring (7) is in threaded connection with the surface of the screw rod (5), the left end of the sleeve (2) is fixedly connected with a baffle (8), the left side of the baffle (8) is fixedly connected with a transparent airbag (81), the left end of the screw rod (5) penetrates through the baffle (8) and is fixedly connected with the surface of the electronic eye (1), the surface of the rectangular rod (4) is fixedly connected with a cylindrical cam (9), the inner wall of an outer contour sliding groove on the cylindrical cam (9) is connected with a sliding block (10) in a sliding manner, the surface of the sliding block (10) is fixedly connected with a connecting arm (11), the upper surface of the sleeve (, the upper surface of sleeve (2) fixed connection has air inlet housing (13), the inner wall sliding connection who leans on the right side on air inlet housing (13) has piston (14), the right side of piston (14) and the left end fixed connection of linking arm (11), the inner wall fixed connection of vertical section has one-way ventilation valve (15) and one-way ventilation valve two (16) on air inlet housing (13), air inlet housing (13) is separated into M, N two spaces by piston (14), one-way ventilation valve (15) and one-way ventilation valve two (16), the gas outlet fixed connection of bottom has air duct (17) on air inlet housing (13), the one end of keeping away from air inlet housing (13) on air duct (17) runs through sleeve (2) and baffle (8) and extends to in transparent gasbag (81).

2. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: the lower surface of the sleeve (2) close to the right end is fixedly connected with a handle (18), and a finger groove is formed in the surface of the handle (18).

3. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: and a second through groove (19) is formed in the lower surface of the sleeve (2) close to the left side and the right side of the baffle (8).

4. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: edges on the baffle (8) are all subjected to arc transition treatment, and protection grains are arranged on the left side of the baffle (8).

5. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: the sliding block (10) is a spherical sliding block, and the sliding block (10) is in sliding connection with the inner wall of the outer contour sliding groove on the cylindrical cam (9) through the cambered surface on the sliding block.

6. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: the left side fixedly connected with damping spring (20) of linking arm (11), the left end of damping spring (20) and the right side fixed connection of air inlet housing (13).

7. A genital tract expansion device for induction of labor or drainage of fluid, according to claim 1, wherein: the upper surface of the air duct (17) is provided with a through hole and is fixedly connected with a sealing plug (21) through the through hole.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a genital tract expanding device for induced labor or drainage.

Background

Induction of labor refers to the termination of pregnancy by artificially inducing uterine contraction for maternal or fetal reasons after 12 weeks of gestation, and in clinical induction, medical staff need to examine the embryo of a patient from the genital tract of the patient. At present, each embryo of a patient with induced labor is generally checked, after a bedpan is placed on the ground or a closestool, the patient is enabled to sit on the bedpan in a squatting position, and the squatting position is kept, so that inconvenience is caused to the patient, therefore, a special genital tract expansion device for induced labor is provided, for example, the special genital tract expansion device for induced labor disclosed by Chinese patent CN110811531A comprises an outer dilator barrel, an outer expansion mechanism and an inner expansion mechanism are arranged in the outer dilator barrel, the outer expansion mechanism comprises an end sleeve, a plurality of expansion blades, a sliding sleeve and a first rotating motor, the expansion blades are connected with the sliding sleeve through a steel cable, a stud is tightly welded at the tail end of an output shaft of the first rotating motor, after the outer part of the genital tract is expanded through the outer expansion mechanism, the inner part of the genital tract can be expanded under the action of an air bag, so that the embryo of the patient with induced labor can be conveniently, the patient does not need to keep the posture of squatting on the bed pan;

however, in the actual use process, the traditional expansion blades are very easy to damage skin tissues of the pudendum of a pregnant woman during movement, and easily cause the conditions of wound infection and the like, thereby bringing potential safety hazards and inconvenience for use.

Disclosure of Invention

The invention aims to provide a genital tract expanding device for induced labor or drainage, which improves the traditional device and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a genital tract expanding unit for induced labor or drainage, includes electron eye and sleeve, telescopic inner wall fixedly connected with motor, the left end fixedly connected with rectangle pole of output shaft on the motor, be equipped with the screw rod in the sleeve.

The right end of the screw rod is provided with a rectangular hole, the inner wall of the rectangular hole is connected with the surface of a rectangular rod in a sliding manner, the inner wall of the sleeve is fixedly connected with an internal thread ring, the inner wall of the internal thread ring is in threaded connection with the surface of the screw rod, the left end of the sleeve is fixedly connected with a baffle, the left end of the baffle is fixedly connected with a transparent air bag, the left end of the screw rod penetrates through the baffle and is fixedly connected with the surface of an electronic eye, the surface of the rectangular rod is fixedly connected with a cylindrical cam, the inner wall of an outer contour sliding groove on the cylindrical cam is connected with a sliding block in a sliding manner, the surface of the sliding block is fixedly connected with a connecting arm, the upper surface of the sleeve is provided with a first through groove for the connecting arm to slide left and right, the upper surface of the sleeve is, the air inlet shell is characterized in that a first one-way vent valve and a second one-way vent valve are fixedly connected to the inner wall of the vertical section of the air inlet shell, the air inlet shell is divided into M, N two spaces by a piston, the first one-way vent valve and the second one-way vent valve, an air outlet at the upper bottom of the air inlet shell is fixedly connected with an air guide pipe, and one end, far away from the air inlet shell, of the air guide pipe penetrates through the sleeve and the baffle and extends into the transparent air bag.

Preferably, the lower surface of the sleeve close to the right end is fixedly connected with a handle, and the surface of the handle is provided with a finger groove.

Preferably, a second through groove is formed in the lower surface, close to the left side, of the sleeve and the right side of the baffle.

Preferably, edges on the baffle are subjected to arc transition treatment, and the left side of the baffle is provided with protective grains.

Preferably, the sliding block is a spherical sliding block, and the sliding block is in sliding connection with the inner wall of the outer contour sliding groove on the cylindrical cam through an arc surface on the sliding block.

Preferably, the left side of the connecting arm is fixedly connected with a damping spring, and the left end of the damping spring is fixedly connected with the right side of the air inlet shell.

Preferably, the upper surface of the air duct is provided with a through hole and is fixedly connected with a sealing plug through the through hole.

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

through the arrangement of the electronic eye, the embryo of the induced labor patient can be conveniently observed, and the patient does not need to keep the posture of squatting on a bedpan;

when in use, the left end part of the transparent air bag extends into the genital tract of a pregnant woman, and then the left side of the baffle is attached to the surface of the genital tract mouth of the pregnant woman; after the preparation work is finished, the motor is powered on and the switch is turned on, an output shaft on the motor drives the rectangular rod to synchronously rotate, and after the rectangular rod rotates, the screw rod can synchronously rotate along with the rectangular rod under the matching of the rectangular hole on the screw rod; therefore, the screw rod and the internal thread ring rotate relatively, the screw rod can move left and right on the internal thread ring by changing the rotation direction of the screw rod on the internal thread ring, and even if the screw rod drives the electronic eye to move left and right relative to the sleeve, the situation in the genital tract of a pregnant woman can be transmitted to a display in a picture form along with the left movement of the electronic eye, so that medical personnel can conveniently and directly check the embryo;

along with the left movement of the electronic eye, the transparent air bag gradually expands to expand in the genital tract of the pregnant woman, and the transparent air bag is made of transparent rubber, so that the observation of the electronic eye is not adversely affected;

when the cylindrical cam is used, the rectangular rod rotates to drive the cylindrical cam to synchronously rotate, and the connecting arm can only slide left and right in the through groove I, so that after the cylindrical cam rotates, a sliding block on the connecting arm can slide relative to the inner wall of the outer contour sliding groove on the cylindrical cam, and the sliding block drives the connecting arm to reciprocate left and right; the piston also reciprocates left and right in the air inlet shell through the transmission of the connecting arm;

when the piston moves leftwards in the air inlet shell, the volume in the space M is reduced, the pressure is increased, the air in the space M is forced to be transferred into the space N through the one-way vent valve II, and finally the air is transferred into the transparent air bag through the air duct;

when the piston moves rightwards in the air inlet shell, the space M is increased, the air pressure in the air inlet shell is reduced and is lower than that of the outside air, and the outside air enters the space M through the one-way vent valve I;

when the piston moves left and right in the air inlet shell continuously, external air can enter the transparent air bag continuously, the transparent air bag expands continuously, and the genital tract of the pregnant woman is expanded gradually;

secondly, the invention solves the problems that the traditional expansion blade is easy to damage the skin tissue of the private part of the pregnant woman during movement, easily causes wound infection and the like, brings potential safety hazards to use and brings inconvenience to use in the actual use process through the matching use of the structures.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the sleeve of the present invention;

FIG. 3 is a front view of the cylindrical cam of the present invention;

FIG. 4 is a front cross-sectional view of the air intake housing of the present invention.

In the figure: the air-permeable safety valve comprises a 1-electronic eye, a 2-sleeve, a 3-motor, a 4-rectangular rod, a 5-screw, a 6-rectangular hole, a 7-internal thread ring, an 8-baffle, an 81-transparent air bag, a 9-cylindrical cam, a 10-sliding block, a 11-connecting arm, a 12-through groove I, a 13-air inlet shell, a 14-piston, a 15-one-way vent valve I, a 16-one-way vent valve II, a 17-air guide pipe, a 18-handle, a 19-through groove II, a 20-damping spring and a 21-sealing plug.

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 4, the present invention provides a technical solution: a genital tract expanding device for induced labor or drainage comprises an electronic eye 1 and a sleeve 2, wherein the embryo of an induced labor patient can be conveniently observed through the arrangement of the electronic eye 1, and the patient does not need to keep the posture of squatting on a bedpan; the lower surface of the sleeve 2 close to the right end is fixedly connected with a handle 18, the surface of the handle 18 is provided with finger grooves, when the device is used, a doctor can use the device by holding the handle 18 with hands, and the finger grooves on the handle 18 are formed, so that the stability during holding can be improved;

the inner wall of the sleeve 2 is fixedly connected with a motor 3, the left end of an output shaft on the motor 3 is fixedly connected with a rectangular rod 4, and a screw rod 5 is arranged in the sleeve 2;

the right end of the screw rod 5 is provided with a rectangular hole 6, the inner wall of the rectangular hole 6 is in sliding connection with the surface of the rectangular rod 4, the inner wall of the sleeve 2 is fixedly connected with an internal thread ring 7, the inner wall of the internal thread ring 7 is in threaded connection with the surface of the screw rod 5, the left end of the sleeve 2 is fixedly connected with a baffle plate 8, edges on the baffle plate 8 are subjected to circular arc transition treatment, and the left side of the baffle plate 8 is provided with protective marks;

through the arrangement of the second through grooves 19 on the sleeve 2 and the baffle 8, other auxiliary tools can enter conveniently during use, and meanwhile, the outflow of tissue waste liquid is facilitated;

the left side of the baffle plate 8 is fixedly connected with a transparent air bag 81, when in use, the left end part of the transparent air bag 81 is stretched into the genital tract of a pregnant woman, and then the left side of the baffle plate 8 is attached to the surface of the genital tract mouth of the pregnant woman;

after the preparation work is finished, the motor 3 is powered on and the switch is turned on, an output shaft on the motor 3 drives the rectangular rod 4 to synchronously rotate, and after the rectangular rod 4 rotates, the screw rod 5 can synchronously rotate along with the rectangular rod 4 under the coordination of the rectangular hole 6 on the screw rod 5; therefore, the screw rod 5 and the internal thread ring 7 are relatively rotated, the screw rod 5 can move left and right on the internal thread ring 7 by changing the rotating direction of the screw rod 5 on the internal thread ring 7, and even if the screw rod 5 drives the electronic eye 1 to move left and right relative to the sleeve 2, the situation in the genital tract of a pregnant woman can be transmitted to a display in a picture form along with the left movement of the electronic eye 1, so that medical personnel can directly check the embryo;

along with the leftward movement of the electronic eye 1, the transparent air bag 81 gradually expands to expand in the genital tract of the pregnant woman, and the transparent air bag 81 is made of transparent rubber, so that the observation of the electronic eye 1 is not adversely affected;

the left end of the screw rod 5 penetrates through the baffle 8 and is fixedly connected with the surface of the electronic eye 1, the surface of the rectangular rod 4 is fixedly connected with a cylindrical cam 9, the inner wall of an outer contour sliding groove in the cylindrical cam 9 is connected with a sliding block 10 in a sliding mode, the sliding block 10 is a spherical sliding block, the sliding block 10 is connected with the inner wall of the outer contour sliding groove in the cylindrical cam 9 in a sliding mode through an arc surface in the sliding block, and the sliding block 10 slides more smoothly in the outer contour sliding groove in the cylindrical cam 9 due to the fact that the sliding block 10 is a spherical;

the surface of the sliding block 10 is fixedly connected with a connecting arm 11, the upper surface of the sleeve 2 is provided with a first through groove 12 for the connecting arm 11 to slide left and right, the upper surface of the sleeve 2 is fixedly connected with an air inlet shell 13, the left side of the connecting arm 11 is fixedly connected with a damping spring 20, the left end of the damping spring 20 is fixedly connected with the right side of the air inlet shell 13, and fine vibration generated when the connecting arm 11 moves left and right can be absorbed and filtered through the arrangement of the damping spring 20 between the air inlet shell 13 and the connecting arm 11, so that the stability of the device in use is ensured;

when the air inlet shell 13 is used, the rectangular rod 4 rotates to drive the cylindrical cam 9 to synchronously rotate, and the connecting arm 11 can only slide left and right in the through groove I12, so that after the cylindrical cam 9 rotates, the sliding block 10 on the connecting arm 11 can slide relative to the inner wall of the outer contour sliding groove on the cylindrical cam 9, and the sliding block 10 drives the connecting arm 11 to reciprocate left and right; the piston 14 also reciprocates left and right in the air inlet shell 13 through the transmission of the connecting arm 11;

when the piston 14 moves leftwards in the air inlet shell 13, the volume in the space M is reduced, the pressure is increased, the air in the space M is forced to be transferred into the space N through the second one-way vent valve 16, and finally the air is transferred into the transparent air bag 81 through the air guide pipe 17;

when the piston 14 moves to the right in the air inlet shell 13, the space M is increased, the air pressure in the space M is reduced, and the air pressure is lower than that of the outside air, so that the outside air enters the space M through the one-way vent valve I15;

when the piston 14 moves left and right in the air inlet shell 13 continuously, the external air can enter the transparent air bag 81 continuously, so that the transparent air bag 81 is expanded continuously, and the genital tract of the pregnant woman is gradually expanded;

the inner wall of the vertical section of the air inlet shell 13 is fixedly connected with a one-way vent valve I15 and a one-way vent valve II 16, and the one-way vent valve I15 and the one-way vent valve II 16 are ym3 type single-phase vent valves; the air inlet shell 13 is divided into M, N two spaces by the piston 14, the one-way vent valve I15 and the one-way vent valve II 16, an air outlet at the upper bottom of the air inlet shell 13 is fixedly connected with an air guide pipe 17, the upper surface of the air guide pipe 17 is provided with a through hole and is fixedly connected with a sealing plug 21 through the through hole, when the transparent air bag 81 in the reproductive tract of a pregnant woman is expanded to feel untimely, the air in the transparent air bag 81 can be released by pulling out the sealing plug 21, and discomfort is relieved; the end of the air duct 17 remote from the air inlet housing 13 extends through the sleeve 2 and the baffle 8 and into the transparent bladder 81.

The working principle is as follows: when the genital tract dilator for induced labor or drainage is used, the embryo of an induced labor patient can be conveniently observed through the arrangement of the electronic eye 1, and the patient does not need to keep the posture of squatting on a bedpan; when in use, the left end part of the transparent air bag 81 is stretched into the genital tract of a pregnant woman, and then the left side of the baffle plate 8 is attached to the surface of the genital tract mouth of the pregnant woman; after the preparation work is finished, the motor 3 is powered on and the switch is turned on, an output shaft on the motor 3 drives the rectangular rod 4 to synchronously rotate, and after the rectangular rod 4 rotates, the screw rod 5 can synchronously rotate along with the rectangular rod 4 under the coordination of the rectangular hole 6 on the screw rod 5; therefore, the screw rod 5 and the internal thread ring 7 are relatively rotated, the screw rod 5 can move left and right on the internal thread ring 7 by changing the rotating direction of the screw rod 5 on the internal thread ring 7, and even if the screw rod 5 drives the electronic eye 1 to move left and right relative to the sleeve 2, the situation in the genital tract of a pregnant woman can be transmitted to a display in a picture form along with the left movement of the electronic eye 1, so that medical personnel can directly check the embryo; along with the leftward movement of the electronic eye 1, the transparent air bag 81 gradually expands to expand in the genital tract of the pregnant woman, and the transparent air bag 81 is made of transparent rubber, so that the observation of the electronic eye 1 is not adversely affected; when the device is used, the rectangular rod 4 rotates to drive the cylindrical cam 9 to synchronously rotate, and the connecting arm 11 can only slide left and right in the through groove I12, so that after the cylindrical cam 9 rotates, the sliding block 10 on the connecting arm 11 can slide relative to the inner wall of the outer contour sliding groove on the cylindrical cam 9, and the sliding block 10 drives the connecting arm 11 to reciprocate left and right; the piston 14 also reciprocates left and right in the air inlet shell 13 through the transmission of the connecting arm 11; when the piston 14 moves leftwards in the air inlet shell 13, the volume in the space M is reduced, the pressure is increased, the air in the space M is forced to be transferred into the space N through the second one-way vent valve 16, and finally the air is transferred into the transparent air bag 81 through the air guide pipe 17; when the piston 14 moves to the right in the air inlet shell 13, the space M is increased, the air pressure in the space M is reduced, and the air pressure is lower than that of the outside air, so that the outside air enters the space M through the one-way vent valve I15; when the piston 14 moves left and right in the air inlet shell 13 continuously, the external air can enter the transparent air bag 81 continuously, so that the transparent air bag 81 is expanded continuously, and the genital tract of the pregnant woman is gradually expanded; through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional expansion blade very easily causes the damage to the skin tissue of pregnant woman private parts when moving, causes the condition such as wound infection easily, brings the potential safety hazard for the use, brings inconvenient problem for the use.

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.