CN218960882U

CN218960882U - Membrane rupture device

Info

Publication number: CN218960882U
Application number: CN202222841281.6U
Authority: CN
Inventors: 齐思佳
Original assignee: First Hospital Jinlin University
Current assignee: First Hospital Jinlin University
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-05
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a membrane breaker, which belongs to the technical field of medical appliances and comprises a shell, wherein the outer wall of the shell is provided with scales, a stop block is fixed on the shell, a clamping sleeve is sleeved on the shell, a guide rod is fixed on one side of the clamping sleeve, which faces the stop block, one end of the guide rod, which is far away from the clamping sleeve, penetrates through the stop block, a screw rod is arranged above the guide rod, a screw hole which is matched with the screw rod is arranged on the stop block, one end of the screw rod is rotationally connected with the clamping sleeve, a knob is fixed on the other end of the screw rod, a protective cover is arranged on one end of the shell, a push rod is arranged in the shell, one end of the push rod is detachably connected with a membrane breaking cutter, a spring is arranged on one side of the protective cover, which is far away from the membrane breaking cutter, the other end of the push rod penetrates through the protective cover and the spring and is connected with a bulge, a bump is fixed on the push rod, and the protective cover is positioned between the bump and the spring. The membrane breaker is convenient to adjust and improves safety.

Description

Membrane rupture device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a membrane breaker.

Background

Currently, in clinical obstetrics, for puerpera with active uterine contractility and uterine contractility difficulty, production is generally assisted by means of an artificial membrane rupture method. The artificial rupture of membranes is the artificial intervention of the amniotic membrane at the uterine opening so as to observe the amniotic fluid color, strengthen the uterine contraction and accelerate the progress of the labor.

In clinical operation, membrane rupture is usually implemented by means of instruments, most of the used instruments are needle tools, medical staff holds the needle tools and stretches the needle tools into a birth canal, after the end parts of the needle tools touch the amniotic membrane, the amniotic membrane is punctured by the needle tools, and in the process, the stretching length of the needle tools is not controlled, and the needle tools are easy to hurt a fetus.

Disclosure of Invention

The utility model aims to provide a membrane breaker so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rupture of membranes ware, which comprises an outer shell, the outer wall of shell is equipped with the scale, be fixed with the dog on the shell, the cover has the cutting ferrule on the shell, one side of cutting ferrule orientation dog is fixed with the guide arm, the one end that the cutting ferrule was kept away from to the guide arm runs through the dog, the top of guide arm is equipped with the lead screw, set up the screw with the lead screw adaptation on the dog, the one end and the cutting ferrule rotation of lead screw are connected, the other end of lead screw is fixed with the knob, the one end of shell is equipped with the protective cover, be equipped with the push rod in the shell, the one end of push rod can be dismantled and be connected with rupture of membranes sword, one side that the protective cover kept away from rupture of membranes sword is equipped with the spring, the other end of push rod runs through protective cover and spring and is connected with the arch, be fixed with the lug on the push rod, the protective cover is located between lug and the spring.

In a further embodiment, a gasket is fixed at one end of the housing away from the protective cover, a hose is fixed in the housing, and one end of the hose penetrates through the side wall of the housing and is connected with a first valve.

In a further embodiment, a cylinder is fixed at one end of the first valve, which is far away from the hose, a second valve is fixed on the cylinder, a conduit is fixed on the second valve, a piston is arranged in the cylinder, a sliding block is fixed at one side of the piston, which is far away from the first valve, and a connecting rod is fixed at one side of the sliding block, which is far away from the piston.

In a further embodiment, the outer wall of the cylinder is provided with graduations.

In a further embodiment, a bottom end of the housing is provided with a bracket.

In a further embodiment, the outer wall of the protective cover is provided with an external thread, and the inner wall of the housing is provided with an internal thread adapted to the external thread of the outer wall of the protective cover.

The utility model has the technical effects and advantages that: this rupture of membranes ware, through setting up cutting ferrule, push rod, lead screw, knob, dog, spring, arch and rupture of membranes sword, stretch into the delivery canal with the tip of shell, rotatory knob behind the tip of shell and the laminating of amniotic membrane, the knob drives the lead screw and rotates, can adjust cutting ferrule and bellied interval, and the lying-in woman is hugged closely to the cutting ferrule, can avoid the shell to continue to stretch into, promotes the arch, and the arch drives push rod and rupture of membranes sword and removes to the amniotic membrane, realizes rupture of membranes, avoids rupture of membranes sword to hurt the fetus.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present utility model;

FIG. 3 is a cross-sectional view of the housing of the present utility model;

fig. 4 is a schematic diagram of the combination structure of the connecting rod, the sliding block and the piston of the present utility model.

In the figure: 1. a housing; 2. a cutting sleeve; 3. a push rod; 4. a bracket; 5. a hose; 6. a first valve; 7. a conduit; 8. a second valve; 9. a cylinder; 10. a connecting rod; 11. a slide block; 12. a piston; 13. a screw rod; 14. a stop block; 15. a knob; 16. a bump; 17. a spring; 18. a protrusion; 19. a protective cover; 20. a membrane rupture knife; 21. a gasket; 22. and a guide rod.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Referring to fig. 1 to 4, the present utility model provides a membrane breaker, and the membrane breaker will be described in detail with reference to the accompanying drawings.

Example 1

The utility model provides a rupture of membranes ware, including shell 1, shell 1's outer wall is equipped with the scale, be fixed with dog 14 through the gluing agent on shell 1, the cover has cutting ferrule 2 on shell 1, cutting ferrule 2 is fixed with guide arm 22 through the gluing agent towards one side of dog 14, guide arm 22 is kept away from the one end of cutting ferrule 2 and is run through dog 14, the top of guide arm 22 is equipped with lead screw 13, the screw with lead screw 13 adaptation has been seted up on the dog 14, the one end and the cutting ferrule 2 rotation of lead screw 13 are connected, the other end welding of lead screw 13 has knob 15, shell 1's one end is equipped with protective cover 19, be equipped with push rod 3 in shell 1, the one end of push rod 3 has rupture of membranes sword 20 through bolted connection, one side that protective cover 19 kept away from rupture of membranes sword 20 is equipped with spring 17, the other end of push rod 3 runs through protective cover 19 and spring 17 and is connected with arch 18 through the gluing agent, be fixed with lug 16 through the gluing agent on the push rod 3, protective cover 19 is located between lug 16 and spring 17.

In this embodiment, the specific usage flow is as follows: the end of the shell 1 stretches into the birth canal, the knob 15 is rotated after the end of the shell 1 is attached to the amniotic membrane, the knob 15 drives the screw rod 13 to rotate, the distance between the clamping sleeve 2 and the bulge 18 can be adjusted, after the clamping sleeve 2 is attached to a puerpera, the shell 1 is prevented from continuously stretching into the birth canal, the bulge 18 is pushed, the bulge 18 drives the push rod 3 and the rupture blade 20 to move towards the amniotic membrane, the tip of the rupture blade 20 scratches out of the shell 1 and scratches the amniotic membrane, rupture operation is realized, and the rupture blade 20 can be prevented from damaging a fetus due to limited stretching length of the rupture blade 20.

Example 2

On the basis of embodiment 1, the one end that shell 1 kept away from protective cover 19 is fixed with packing ring 21 through the gluing agent, has improved the comfort level when shell 1 stretches into, is fixed with hose 5 through the gluing agent in the shell 1, and the one end of hose 5 runs through the lateral wall of shell 1 and threaded connection has first valve 6.

The one end that hose 5 was kept away from to first valve 6 is welded there is barrel 9, the welding has second valve 8 on the barrel 9, be fixed with pipe 7 through the gluing agent on the second valve 8, be equipped with piston 12 in the barrel 9, one side that piston 12 kept away from first valve 6 is fixed with slider 11 through gluing agent, one side that piston 12 was kept away from to slider 11 is welded there is connecting rod 10, open first valve 6, close second valve 8, pulling connecting rod 10, connecting rod 10 drives slider 11 and piston 12 and keeps away from first valve 6 and remove, utilize the negative pressure in barrel 9 to take out the amniotic fluid in barrel 9, close first valve 6, open second valve 8, promote connecting rod 10, amniotic fluid in barrel 9 is discharged through pipe 7.

The outer wall of the cylinder 9 is provided with scales.

The bottom of shell 1 is equipped with support 4, and before and after the use of shell 1, support 4 can support shell 1.

The outer wall of the protective cover 19 is provided with external threads, the inner wall of the shell 1 is provided with internal threads matched with the external threads of the outer wall of the protective cover 19, and the protective cover 19 and the push rod 3 can be detached from the shell 1 for cleaning by rotating the protective cover 19.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Membrane breaker, including shell (1), its characterized in that: the outer wall of shell (1) is equipped with the scale, be fixed with dog (14) on shell (1), the cover has cutting ferrule (2) on shell (1), one side of cutting ferrule (2) orientation dog (14) is fixed with guide arm (22), one end that cutting ferrule (2) was kept away from to guide arm (22) runs through dog (14), the top of guide arm (22) is equipped with lead screw (13), the screw with lead screw (13) adaptation has been seted up on dog (14), the one end and cutting ferrule (2) rotation of lead screw (13) are connected, the other end of lead screw (13) is fixed with knob (15), the one end of shell (1) is equipped with protective cover (19), be equipped with push rod (3) in shell (1), one end of push rod (3) can be dismantled and be connected with rupture disc (20), one side that rupture disc (20) were kept away from to protective cover (19) is equipped with spring (17), the other end of push rod (3) runs through protective cover (19) and spring (17) and is connected with arch (18), be fixed with lug (16) on push rod (3), protective cover (19) are located between lug (16) and spring (17).

2. A membrane breaker according to claim 1, wherein: one end of the shell (1) far away from the protective cover (19) is fixed with a gasket (21), a hose (5) is fixed in the shell (1), and one end of the hose (5) penetrates through the side wall of the shell (1) and is connected with a first valve (6).

3. A membrane breaker according to claim 2, wherein: one end of the first valve (6) far away from the hose (5) is fixed with a barrel (9), a second valve (8) is fixed on the barrel (9), a guide pipe (7) is fixed on the second valve (8), a piston (12) is arranged in the barrel (9), a sliding block (11) is fixed on one side of the piston (12) far away from the first valve (6), and a connecting rod (10) is fixed on one side of the sliding block (11) far away from the piston (12).

4. A membrane breaker according to claim 3, wherein: the outer wall of the cylinder body (9) is provided with scales.

5. A membrane breaker according to claim 1, wherein: the bottom end of the shell (1) is provided with a support (4).

6. A membrane breaker according to claim 1, wherein: the outer wall of the protective cover (19) is provided with external threads, and the inner wall of the shell (1) is provided with internal threads matched with the external threads of the outer wall of the protective cover (19).