CN219289644U

CN219289644U - Membrane rupture device

Info

Publication number: CN219289644U
Application number: CN202320760545.7U
Authority: CN
Inventors: 赵文; 杨丽; 刘丹; 刘瑾钰; 蒋伊; 何嘉欣
Original assignee: Second Xiangya Hospital of Central South University
Current assignee: Second Xiangya Hospital of Central South University
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-04
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a membrane rupture device, which comprises: the inside fixedly connected with balladeur train of activity cover, the inside sliding connection of balladeur train has the blade, and the one end fixedly connected with rack seat of blade, the inside fixed rack of rack seat, the inside fixedly connected with first fixing base of activity cover, second fixing base, the inside rotation of first fixing base, second fixing base is connected with the connecting axle. The whole device is fixed through the contact of the supporting seat and the vagina, the stainless steel material arranged at the front end of the sleeve is contacted with the amniotic membrane, and the negative pressure is formed by pumping out the air in the stainless steel material through the negative pressure of the handle, so that the amniotic membrane is attached to the inner wall of the stainless steel. The blade at the front end of the movable sleeve is close to the amniotic membrane by pushing the movable sleeve, and the rack is driven by the gear in the rotary shaft to enable the blade to slide left and right, so that the amniotic membrane is scratched. So that the whole membrane rupture process does not hurt the fetus, and the blade is in a hidden state in the operation process so as not to slide and rupture the vagina.

Description

Membrane rupture device

Technical Field

The utility model relates to the technical field of membrane rupture, in particular to a membrane rupture device.

Background

Manual rupture of membranes is one of the usual medical interventions in obstetrics for promoting labour. At present, the most commonly used clinical instrument for this operation is a puncture needle, and the specific operation method is as follows: two or three fingers are used for clamping the needle head to penetrate into the vagina, the proper position and the time of membrane rupture puncture are judged by finger touch, then the front end of the needle head is exposed from the gathered fingertips, and the needle head is used for slightly picking up and puncturing the amniotic membrane to achieve the aim of membrane rupture. In addition, hemostats are used to access the vagina and rupture the membrane by pinching and tearing the amniotic membrane. However, the operation is extremely easy to damage the inner wall of the vagina, and the position of the vagina is not fixed during the operation, so that the fetus in the body is easily damaged. The Chinese patent discloses a membrane breaker, the application number of which is CN201520714232.3, a folding display screen is arranged on the upper side of a fixed handle, the folding display screen is connected with the fixed handle through a spherical connecting rotating shaft for facilitating inspection, but the amnion can not be adsorbed in a safe area through negative pressure at the position where an opening is needed due to the fact that a puncture needle is exposed outside when in use, and the amnion is far away from a fetus, and the safety and the convenience of operation exist.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a membrane rupture device, wherein a sleeve is inserted into a vagina, the whole device is fixed by contacting a support seat with the vagina, stainless steel arranged at the front end of the sleeve contacts with an amniotic membrane, and air in the stainless steel is pumped out by carrying negative pressure to form negative pressure so that the amniotic membrane is attached to the inner wall of the stainless steel. The blade at the front end of the movable sleeve is close to the amniotic membrane by pushing the movable sleeve, and the rack is driven by the gear in the rotary shaft to enable the blade to slide left and right, so that the amniotic membrane is scratched. So that the whole membrane rupture process does not hurt the fetus, and the blade is in a hidden state in the operation process so as not to slide and rupture the vagina.

The utility model also provides a membrane rupture device comprising: the movable sleeve is fixedly connected with a sliding frame in the movable sleeve, a blade is connected in the sliding frame in a sliding manner, a rack seat is fixedly connected to one end of the blade, a rack is fixedly arranged in the rack seat, a first fixing seat and a second fixing seat are fixedly connected to the inside of the movable sleeve, a connecting shaft is rotatably connected to the inside of the first fixing seat and the inside of the second fixing seat, a gear is fixedly connected to one end of the connecting shaft, the gear is connected with the rack in a meshed manner, a sleeve is fixedly connected with a supporting seat on the outer surface of the sleeve, stainless steel is fixedly connected to the inside of the sleeve, an air vent is formed in the stainless steel, a limit groove is formed in the inside of the stainless steel, and a spring is arranged between the sleeve and the movable sleeve; the hand-held cavity is fixedly connected with a hand-held negative pressure device on the outer surface of the hand-held cavity, the hand-held negative pressure device is connected with a conversion seat through a conduit, and a stainless steel conduit is fixedly connected with the outer surface of the conversion seat. Through above-mentioned device, insert the sleeve in the vagina, make whole device fixed through propping seat and vaginal contact, contact with the amniotic membrane through the stainless steel material that sets up in sleeve front end, take out the inside air of stainless steel material through the hand negative pressure and form the negative pressure and make the inner wall that the amniotic membrane laminated stainless steel material. The blade at the front end of the movable sleeve is close to the amniotic membrane by pushing the movable sleeve, and the rack is driven by the gear in the rotary shaft to enable the blade to slide left and right, so that the amniotic membrane is scratched. So that the whole membrane rupture process does not hurt the fetus, and the blade is in a hidden state in the operation process so as not to slide and rupture the vagina.

According to the membrane rupture device disclosed by the utility model, the inside of the handheld cavity is in sliding connection with the movable sleeve, and a sealing ring is arranged between the handheld cavity and the movable sleeve. The movable sleeve is movable to hide the blade arranged inside when the movable sleeve is not used, and the inside of the movable sleeve is in a sealing state through the sealing ring arranged inside.

According to the membrane rupture device disclosed by the utility model, one end of the handheld cavity is fixedly connected with the bracket, and the bracket is connected with the lock catch through the shaft. When in use, the movable sleeve is locked through the lock catch, so that the membrane is convenient to break.

According to the membrane rupture device disclosed by the utility model, one end of the stainless steel conduit is communicated with the vent hole, and the outer surface of the stainless steel conduit is fixedly connected with the tube seat. The air inside can be extracted through the vent holes and through the stainless steel conduit.

According to the membrane rupture device disclosed by the utility model, the tube seat is fixedly connected with the handheld cavity, and the conversion seat is fixedly connected with the handheld cavity. So that the whole device is convenient to be held by hand.

According to the membrane rupture device disclosed by the utility model, the first fixing plate is fixedly connected to the inside of the sleeve, and the first fixing plate is connected with one end of the spring. The inside movable sleeve is enabled to be hidden by the counterforce of the spring through the spring arranged inside.

According to the membrane rupture device disclosed by the utility model, the second fixed plate is fixedly connected to the outer surface of the movable sleeve, and the second fixed plate is connected with the other end of the spring. So that the internally arranged springs effectively act as reaction forces.

According to the membrane rupture device disclosed by the utility model, one end of the connecting shaft is fixedly connected with the rotating handle. The inner blade is driven to move by the rotating handle.

Advantageous effects

1. Compared with the prior art, the membrane rupture device has the advantages that the sleeve is inserted into the vagina, the whole device is fixed through the contact between the support seat and the vagina, the stainless steel support arranged at the front end of the sleeve is contacted with the amniotic membrane, air in the stainless steel support is pumped out through the hand negative pressure to form negative pressure, the amniotic membrane is attached to the inner wall of the stainless steel, and the blade at the front end of the movable sleeve is close to the amniotic membrane by pushing the movable sleeve.

2. Compared with the prior art, the membrane rupture device drives the rack through the gear in the rotating shaft to enable the blade to slide left and right, so that the amniotic membrane is ruptured. So that the whole membrane rupture process does not hurt the fetus, and the blade is in a hidden state in the operation process so as not to slide and rupture the vagina.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is an overall block diagram of a rupture device according to the present utility model;

FIG. 2 is a side view of a rupture device according to the present utility model;

FIG. 3 is an internal structural view of a rupture device according to the present utility model;

FIG. 4 is a cross-sectional view of a rupture device according to the present utility model.

Legend description:

1. a sleeve; 2. a support seat; 3. a hand-held cavity; 4. a handle negative pressure device; 5. a tube seat; 6. a conversion seat; 7. a stainless steel conduit; 8. locking; 9. a rotating handle; 10. a first fixing seat; 11. stainless steel material; 12. a vent hole; 13. a limit groove; 14. a carriage; 15. a blade; 16. a rack seat; 17. a spring; 18. a first fixing plate; 19. the second fixing seat; 20. a gear; 21. a movable sleeve; 22. a second fixing plate; 23. and a connecting shaft.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 4, a membrane rupturing device according to an embodiment of the present utility model includes: the movable sleeve 21 is used for extending the blade 15 hidden in the inner part during operation, the sliding frame 14 is fixedly connected to the inner part of the movable sleeve 21, a sliding groove is formed in the sliding frame 14, the blade 15 is connected with the sliding groove through a sliding block, the sliding frame 14 provides left and right sliding conditions for the blade 15, the blade 15 is slidably connected to the inner part of the sliding frame 14 and used for scratching the amniotic membrane, the rack seat 16 is fixedly connected to one end of the blade 15 and used for installing an internal rack, the gear 20 is arranged between the upper and lower two pieces, the gear 20 is arranged at one half of the gear 20 in a way that the teeth of the outer surface are arranged, the other half of the gear 20 is a smooth surface, and the number of teeth on the gear 20 is the same as the number of teeth of the rack. The rack is fixed in the rack seat 16, the first fixing seat 10 and the second fixing seat 19 are fixedly connected in the movable sleeve 21, the connecting shaft 23 is rotatably connected in the first fixing seat 10 and the second fixing seat 19, and one end of the connecting shaft 23 is fixedly connected with the rotating handle 9. For rotation, one end of the connecting shaft 23 is fixedly connected with a gear 20, and the gear 20 is meshed with the rack.

The sleeve 1 is used for connecting internal movable components and guiding the internal components in use, the first fixing plate 18 is fixedly connected to the sleeve 1 and used for fixing, and the first fixing plate 18 is connected with one end of the spring 17. The outer surface fixedly connected with of sleeve 1 props seat 2, and the inside fixedly connected with stainless steel material 11 of sleeve 1 is used for contacting the amnion, and the inside of stainless steel material 11 is provided with air vent 12 for the extraction air, and the inside of stainless steel material 11 is provided with spacing groove 13 for the distance of restriction movable sleeve 21 activity is provided with spring 17 between sleeve 1 and the movable sleeve 21 for providing elasticity.

The hand-held cavity 3 is used for facilitating holding of hands, the outer surface fixedly connected with hand-held negative pressure device 4 of hand-held cavity 3 is used for extracting air, the hand-held negative pressure device 4 is connected with the conversion seat 6 through the pipe, and is used for connecting, the outer surface fixedly connected with stainless steel pipe 7 of conversion seat 6 is used for extracting air, one end of stainless steel pipe 7 is linked together with air vent 12, the outer surface fixedly connected with pipe socket 5 of stainless steel pipe 7 is used for fixing stainless steel pipe 7, pipe socket 5 and hand-held cavity 3 fixed connection, conversion seat 6 and hand-held cavity 3 fixed connection. The interior of the handheld cavity 3 is in sliding connection with the movable sleeve 21, and a sealing ring is arranged between the handheld cavity 3 and the movable sleeve 21. One end of the handheld cavity 3 is fixedly connected with a bracket, and the bracket is connected with a lock catch 8 through a shaft and is used for locking the movable sleeve 21. The outer surface of the movable sleeve 21 is fixedly connected with a second fixed plate 22, and the second fixed plate 22 is connected with the other end of the spring 17.

Working principle: when the multifunctional vagina holder is used, the hand-held cavity 3 is held to insert the sleeve 1 into the vagina, the vaginal orifice is supported by the support seat 2 to fix the vaginal orifice, the stainless steel 11 at the front end of the sleeve 1 is in contact with the amniotic membrane, the air between the stainless steel 11 and the amniotic membrane is pumped out by the hand-held negative pressure device 4, the amniotic membrane is stuck to the inner wall of the stainless steel 11, the movable sleeve 21 is pushed to move the blade 15 at the front end of the movable sleeve 21 until the amniotic membrane is close to the amniotic membrane, the limiting groove 13 is formed in the stainless steel 11, the movable distance of the carriage 14 is limited, the movable sleeve 21 is locked by the lock catch 8, and the rotary handle 9 drives the gear 20 and the rack through the connecting shaft 23 in the inside to move the blade 15 fixed on the rack seat 16 left and right in the carriage 14, so that the amniotic membrane is scratched.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A rupture device, comprising:

the movable sleeve (21), the inside fixedly connected with balladeur train (14) of movable sleeve (21), the inside sliding connection of balladeur train (14) has blade (15), the one end fixedly connected with rack seat (16) of blade (15), the inside fixed rack of rack seat (16), the inside fixedly connected with first fixing base (10), second fixing base (19) of movable sleeve (21), the inside rotation of first fixing base (10), second fixing base (19) is connected with connecting axle (23), the one end fixedly connected with gear (20) of connecting axle (23), gear (20) are connected with the rack meshing;

the stainless steel support comprises a sleeve (1), wherein a support seat (2) is fixedly connected to the outer surface of the sleeve (1), stainless steel (11) is fixedly connected to the inner part of the sleeve (1), an air vent (12) is formed in the stainless steel (11), a limit groove (13) is formed in the stainless steel (11), and a spring (17) is arranged between the sleeve (1) and a movable sleeve (21);

the hand-held cavity (3), the surface fixedly connected with hand negative pressure ware (4) of hand-held cavity (3), hand negative pressure ware (4) are connected with conversion seat (6) through the pipe, the surface fixedly connected with stainless steel pipe (7) of conversion seat (6).

2. A rupture device according to claim 1, characterized in that the interior of the hand-held cavity (3) is slidingly connected with the movable sleeve (21), and a sealing ring is arranged between the hand-held cavity (3) and the movable sleeve (21).

3. A rupture device according to claim 1, characterized in that one end of the hand-held cavity (3) is fixedly connected with a bracket, which is connected with a lock catch (8) via a shaft.

4. A membrane rupturing device according to claim 1, wherein one end of the stainless steel conduit (7) is communicated with the vent hole (12), and the outer surface of the stainless steel conduit (7) is fixedly connected with the tube seat (5).

5. A rupture device according to claim 4, wherein the socket (5) is fixedly connected to the hand-held cavity (3), and the switching socket (6) is fixedly connected to the hand-held cavity (3).

6. A rupture device according to claim 1, characterized in that the interior of the sleeve (1) is fixedly connected with a first fixing plate (18), said first fixing plate (18) being connected with one end of the spring (17).

7. A rupture device according to claim 1, characterized in that the outer surface of the movable sleeve (21) is fixedly connected with a second fixing plate (22), the second fixing plate (22) being connected with the other end of the spring (17).

8. A rupture device according to claim 1, characterized in that one end of the connecting shaft (23) is fixedly connected with a turning handle (9).