阅读说明：本技术 一种羊水破膜机构 (Amniotic fluid membrane breaking mechanism ) 是由 唐洁 于 2021-10-25 设计创作，主要内容包括：本发明涉及妇产科技术领域,尤其涉及一种羊水破膜机构,一种羊水破膜机构,包括第一筒体,所述第一筒体的前端端面固定连接有第二固定环,所述第一筒体的内部设置有第一回收,所述第一活塞远离第二固定环的一侧胶接有固定板,所述固定板上固定连接有第一活动杆和第二活动杆,本装置使用时,拉动第一活动杆,第一筒体内产生负压,羊水膜向第二固定环内凸起,第一活动杆运动的同时,第二活动杆能够带动第二活塞运动,此时第二筒体内的气体被挤入第一气体通道,第三活塞发生运动,最终第三活塞推动水囊和穿刺针运动,穿刺针将凸起于第一固定环内的羊水膜刺破,穿刺针使用过程中不会延伸至装置的外侧,提高了装置使用时的安全性。(The invention relates to the technical field of obstetrics and gynecology, in particular to a amniotic fluid membrane breaking mechanism, which comprises a first cylinder body, wherein the front end surface of the first cylinder body is fixedly connected with a second fixing ring, a first recovery is arranged in the first cylinder body, a fixed plate is glued to one side of a first piston, which is far away from the second fixing ring, and a first movable rod and a second movable rod are fixedly connected to the fixed plate, the puncture needle can not extend to the outer side of the device in the using process, and the safety of the device in use is improved.)

1. The amniotic fluid membrane breaking mechanism comprises a first barrel body (1) and is characterized in that a second fixing ring (12) is fixedly connected to the front end face of the first barrel body (1), a first recovery ring (2) is arranged inside the first barrel body (1), a fixing plate (3) is glued to one side, away from the second fixing ring (12), of a first piston (2), a first movable rod (4) and a second movable rod (6) are fixedly connected to the fixing plate (3), the first movable rod (4) and the second movable rod (6) are both arranged along the length direction of the first barrel body (1), one end, away from the fixing plate (3), of the first movable rod (4) extends to the outer side of the first barrel body (1), one end, away from the fixing plate (3), of the second movable rod (6) is fixedly connected with a second piston (7), and the second piston (7) is located inside a second barrel body (8), the second cylinder body (8) is arranged along the length direction of the first cylinder body (1), one end, close to the fixing plate (3), of the second cylinder body (8) is provided with an opening, the second cylinder body (8) is located inside the first cylinder body (1), the outer wall of the second cylinder body (8) is fixedly connected with the inner wall of the first cylinder body (1), one end, far away from the movable rod (6), of the second cylinder body (8) is provided with an exhaust hole, the inner wall of the first cylinder body (1) is provided with a first gas channel (11) along the length direction, one end of the first gas channel (11) is connected with an air vent, the inner wall of the second fixing ring (12) is provided with a mounting groove, the other end of the first gas channel (11) is communicated with the mounting groove, a puncture needle (15) is placed inside the mounting groove, the puncture needle (15) comprises a circular plate and a needle point, and the needle point is fixed in the middle of the circular plate, and one side that the needle point was kept away from to the plectane is connected with the one end cementing of water pocket (14), the other end of water pocket (14) extends to the inside of first gas passage (11) and is connected with the cementing of third piston (13), the inner wall looks adaptation of third piston and first gas passage (11).

2. The amniotic fluid membrane breaking mechanism according to claim 1, wherein a first fixing ring (9) is fixedly connected to an opening of the second cylinder (8), and the second movable rod (6) passes through the first fixing ring (9).

3. The amniotic fluid membrane breaking mechanism according to claim 2, wherein a spring (10) is connected between the first fixing ring (9) and the fixing plate (3).

4. The amniotic fluid membrane breaking mechanism according to claim 1 or 3, wherein the width of the opening of the mounting groove is smaller than the diameter of the upper circular plate of the puncture needle (15).

5. The amniotic fluid membrane breaking mechanism according to claim 4, wherein a silica gel ring (19) is glued to one side of the second fixing ring (12) away from the first cylinder (1), and the inner diameter of the silica gel ring (19) is equal to the inner diameter of the second fixing ring (12).

6. The amniotic fluid membrane breaking mechanism according to claim 5, wherein a second gas passage (16) is further formed in the inner wall of the first cylinder (1) along the length direction of the inner wall, one end of the second gas passage (16) is communicated with the inside of the first cylinder (1), one end of the second gas passage (16) is located between the first piston (7) and the second fixing ring (12) and communicated with the inside of the first cylinder (1), the other end of the second gas passage (16) is communicated with the inside of the first cylinder (1), one end of the second gas passage communicated with the outer wall of the first cylinder (1) is connected with a pressure release valve (17), and the pressure release valve (17) is fixedly mounted on the outer wall of the first cylinder (1).

7. The amniotic fluid membrane breaking mechanism according to claim 1 or 6, wherein a handle (5) is fixedly mounted at one end of the first movable rod (4) far away from the fixed plate (3).

8. The amniotic fluid membrane breaking mechanism according to claim 7, wherein a sleeve (18) is fixedly mounted on the inner wall of the first cylinder (1) near the outlet, and the first movable rod (4) passes through the sleeve (18).

9. The amniotic fluid membrane breaking mechanism according to claim 8, wherein scale marks are arranged on the outer wall of the first cylinder (1), and the outer wall of the first cylinder (1) is sleeved with a rubber ring (20).

10. The amniotic fluid membrane breaking mechanism according to claim 9, wherein the front end of the first cylinder (1) is a circular truncated cone, and the outer diameter of the front end of the first cylinder (1) is smaller than that of the rear end of the first cylinder (1).

Technical Field

The invention relates to the technical field of obstetrics and gynecology, in particular to a amniotic fluid membrane breaking mechanism.

Background

Along with the flourishing economic prosperity, the continuous improvement of the living standard of people, the development of production technology is better and better, the utilization of time of people is more and more rigorous, the obstetrics and gynecology department is one of four main subjects of clinical medicine, the etiology, the pathology, the diagnosis and the prevention and the treatment of female reproductive organ diseases, the physiological and pathological changes of pregnancy and delivery, the prevention and the treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, women health care and the like are mainly researched, along with the development of science and technology, the obstetric membrane rupture device has the development to a great extent, the development of the obstetric membrane rupture device brings great convenience to the obstetric production, the types and the quantity of the obstetric membrane rupture device are increased day by day, although the types and the quantity of the obstetric membrane rupture devices in the market are very large, but most of the obstetric membrane rupture devices for obstetric easily have accidental scratches and easily cause wound infection in the using process, the use range of the obstetric membrane rupture device is limited to a great extent, and the use is not convenient and flexible enough.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an amniotic fluid membrane breaking mechanism.

In order to achieve the purpose, the invention adopts the following technical scheme:

a membrane breaking mechanism for amniotic fluid comprises a first barrel body, wherein a second fixing ring is fixedly connected to the end face of the front end of the first barrel body, a first recovery is arranged in the first barrel body, a fixing plate is glued to one side, away from the second fixing ring, of a first piston, a first movable rod and a second movable rod are fixedly connected to the fixing plate, the first movable rod and the second movable rod are both arranged along the length direction of the first barrel body, one end, away from the fixing plate, of the first movable rod extends to the outer side of the first barrel body, one end, away from the fixing plate, of the second movable rod is fixedly connected with a second piston, the second piston is positioned in the second barrel body, the second barrel body is arranged along the length direction of the first barrel body, an opening is formed in the end, close to the fixing plate, of the second barrel body, the second barrel body is positioned in the first barrel body, the outer wall of the second barrel body is fixedly connected with the inner wall of the first barrel body, the exhaust hole has been seted up to the one end that the movable rod was kept away from to the second barrel, first gas passage has been seted up along its length direction on the inner wall of first barrel, first gas passage's one end is connected with the air vent, the mounting groove has been seted up on the solid fixed ring's of second inner wall, first gas passage's the other end is linked together with the mounting groove, the pjncture needle has been placed to the inside of mounting groove, the pjncture needle includes plectane and needle point, and the needle point is fixed at the middle part of plectane, and the plectane is kept away from one side of needle point and the one end of water pocket and is spliced and be connected, the other end of water pocket extends to first gas passage's inside and splices with the third piston and is connected, the inner wall looks adaptation of third piston and first gas passage.

Preferably, the opening of the second cylinder is fixedly connected with a first fixing ring, and the second movable rod penetrates through the first fixing ring.

Preferably, a spring is connected between the first fixing ring and the fixing plate.

Preferably, the width of the opening of the mounting groove is smaller than the diameter of the upper circular plate of the puncture needle.

Preferably, the second is fixed the solid fixed ring and is kept away from one side glue joint of first barrel and have the silica gel circle, the internal diameter of silica gel circle equals the solid fixed ring's of second internal diameter.

Preferably, a second gas channel is further formed in the inner wall of the first barrel along the length direction of the inner wall, one end of the second gas channel is communicated with the inside of the first barrel, one end of the second gas channel communicated with the inside of the first barrel is located between the first piston and the second fixing ring, the other end of the second gas channel is communicated with the inside of the first barrel, one end of the second gas channel communicated with the outer wall of the first barrel is connected with a pressure release valve, and the pressure release valve is fixedly mounted on the outer wall of the first barrel.

Preferably, a handle is fixedly mounted at one end, far away from the fixed plate, of the first movable rod.

Preferably, a sleeve is fixedly installed on the inner wall of the first cylinder body close to the outlet, and the first movable rod penetrates through the sleeve.

Preferably, the outer wall of the first barrel is provided with scale marks, and the outer wall of the first barrel is sleeved with a rubber ring.

Preferably, the front end of the first cylinder is in a circular truncated cone shape, and the outer diameter of the front end of the first cylinder is smaller than that of the rear end of the first cylinder.

The invention has the beneficial effects that:

1. when the device is used, the first cylinder is inserted into the vagina of a lying-in woman, the silica gel ring is in contact with the amniotic membrane, then the first movable rod is slowly pulled, negative pressure is generated in the first cylinder, the amniotic membrane is raised in the second fixed ring, when the first movable rod moves, the second movable rod can drive the second piston to move, gas in the second cylinder is extruded into the first gas channel at the moment, the third piston moves, finally, the third piston pushes the water bag and the puncture needle to move, the puncture needle punctures the amniotic membrane which is raised in the first fixed ring, the puncture needle cannot extend to the outer side of the device in the use process, and the safety of the device in use is improved.

2. In this device, set up the water pocket between third piston and pjncture needle, the third piston does not pass through water pocket and promotes the pjncture needle with pjncture needle lug connection, and the third piston is guaranteeing under the effective length of stretching out's of pjncture needle prerequisite, can the solid fixed ring's of effectual reduction second size, and then reduces the diameter of device front end, the comfort when improving the device and using.

Drawings

FIG. 1 is a schematic structural view of an amniotic fluid membrane rupturing mechanism provided by the present invention;

FIG. 2 is a schematic structural diagram of a second cylinder of the amniotic fluid membrane breaking mechanism provided by the invention;

fig. 3 is an enlarged schematic structural diagram of a part a in fig. 1 of the amniotic fluid membrane breaking mechanism provided by the invention.

In the figure: the device comprises a first cylinder body 1, a first piston 2, a fixing plate 3, a first movable rod 4, a handle 5, a second movable rod 6, a second piston 7, a second cylinder body 8, a first fixing ring 9, a spring 10, a first gas channel 11, a second fixing ring 12, a third piston 13, a water sac 14, a puncture needle 15, a second gas channel 16, a pressure release valve 17, a sleeve 18, a silica gel ring 19 and a rubber ring 20.

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.

Referring to fig. 1-3, a membrane rupturing mechanism for amniotic fluid comprises a first barrel body 1, a second fixing ring 12 is fixedly connected to the front end face of the first barrel body 1, a first recovery ring 2 is arranged inside the first barrel body 1, a fixing plate 3 is bonded to one side of a first piston 2, which is far away from the second fixing ring 12, a first movable rod 4 and a second movable rod 6 are fixedly connected to the fixing plate 3, the first movable rod 4 and the second movable rod 6 are both arranged along the length direction of the first barrel body 1, one end of the first movable rod 4, which is far away from the fixing plate 3, extends to the outer side of the first barrel body 1, a second piston 7 is fixedly connected to one end of the second movable rod 6, which is far away from the fixing plate 3, the second piston 7 is located inside a second barrel body 8, the second barrel body 8 is arranged along the length direction of the first barrel body 1, and one end of the second barrel body 8, which is close to the fixing plate 3, is provided with an opening, the second cylinder 8 is positioned inside the first cylinder 1, the outer wall of the second cylinder 8 is fixedly connected with the inner wall of the first cylinder 1, the end of the second cylinder 8 far away from the movable rod 6 is provided with an exhaust hole, the inner wall of the first cylinder 1 is provided with a first gas channel 11 along the length direction, one end of the first gas channel 11 is connected with the vent hole, the inner wall of the second fixing ring 12 is provided with a mounting groove, the other end of the first gas channel 11 is communicated with an installation groove, a puncture needle 15 is arranged in the installation groove, the puncture needle 15 comprises a circular plate and a needle point, the needle point is fixed in the middle of the circular plate, and one side that the needle point was kept away from to the plectane is connected with the one end cementing of water pocket 14, the other end of water pocket 14 extends to the inside of first gas passage 11 and is connected with third piston 13 cementing, the inner wall looks adaptation of third piston and first gas passage 11.

Further, the opening of the second cylinder 8 is fixedly connected with a first fixing ring 9, and the second movable rod 6 penetrates through the first fixing ring 9.

Further, a spring 10 is connected between the first fixing ring 9 and the fixing plate 3.

Further, the width of the opening of the mounting groove is smaller than the diameter of the upper circular plate of the puncture needle 15.

Furthermore, one side of the second fixing ring 12, which is far away from the first cylinder 1, is glued with a silicone ring 19, and the inner diameter of the silicone ring 19 is equal to the inner diameter of the second fixing ring 12.

Further, a second gas channel 16 is further formed in the inner wall of the first cylinder 1 along the length direction, one end of the second gas channel 16 is communicated with the inside of the first cylinder 1, the end communicated with the inside of the first cylinder 1 is located between the first piston 7 and the second fixing ring 12, the other end of the second gas channel 16 is communicated with the inside of the first cylinder 1, the end communicated with the outer wall of the first cylinder 1 is connected with a pressure release valve 17, the pressure release valve 17 is fixedly installed on the outer wall of the first cylinder 1, during the use of the device, when the first movable rod 4 is continuously pulled, the gas pressure in the first cylinder 1 can be continuously reduced, in order to avoid over-low pressure, the device is connected with the pressure release valve 17 through the second gas channel 16, the pressure release valve 17 can discharge a small amount of outside gas into the first cylinder 1, so that a relatively stable negative pressure is maintained in the first cylinder 1, so that the air pressure in the first cylinder 1 is not too low.

Further, a handle 5 is fixedly installed at one end of the first movable rod 4 far away from the fixed plate 3.

Further, a sleeve 18 is fixedly installed on the inner wall of the first cylinder 1 near the outlet, and the first movable rod 4 penetrates through the sleeve 18.

Further, be provided with the scale mark on the outer wall of first barrel 1, and cup jointed rubber ring 20 on the outer wall of first barrel 1, use the chamber to fix rubber ring 20 in suitable position, rubber ring 20 can play certain limiting displacement to first barrel 1, is convenient for control barrel 1 and inserts the vaginal degree of depth.

Further, the front end of the first cylinder 1 is in a circular truncated cone shape, and the outer diameter of the front end of the first cylinder 1 is smaller than that of the rear end of the first cylinder 1.

In this embodiment, when the device is used, the first cylinder 1 is inserted into the vagina of a lying-in woman, so that the silicone ring 19 is in contact with the amniotic membrane, then the first movable rod 4 is pulled slowly, negative pressure is generated in the first cylinder 1, the amniotic membrane protrudes into the second fixing ring 12, when the first movable rod 4 moves, the fixed plate 4 pushes the second movable rod 6 to move, the second movable rod 6 can drive the second piston 7 to move, at the moment, gas in the second cylinder 8 is pushed into the first gas channel 11, the third piston 13 moves, finally, the third piston 13 pushes the water bag 14 and the puncture needle 15 to move, the needle point of the puncture needle 15 extends to the outer side of the mounting groove, the puncture needle 15 punctures the amniotic membrane protruding into the first fixing ring 9, and the puncture needle 15 cannot extend to the outer side of the device in the using process, and the safety of the device in use is improved.

In this device, set up water pocket 14 between third piston 13 and pjncture needle 15, third piston 13 not with pjncture needle 15 lug connection, third piston 13 passes through water pocket 14 and promotes pjncture needle 15, water pocket 14 can buckle, can move along first gas passage 11 and mounting groove, the holistic length of pjncture needle 15 has been reduced, guarantee the effective extension length of pjncture needle 15 (the length that pjncture needle 15 stretches out the mounting groove promptly, pjncture needle 15 extension length is when too short, be unfavorable for puncturing the amniotic membrane) under the prerequisite, can the first solid fixed ring 9's of effectual reduction size, and then reduce the diameter of device front end, the comfort when the improvement device uses.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.