CN217090857U

CN217090857U - Membrane rupturing device for obstetrics and gynecology department

Info

Publication number: CN217090857U
Application number: CN202221029448.2U
Authority: CN
Inventors: 郑敏珠; 陈红; 叶俊花
Original assignee: Hangzhjou Obstetrics & Gynecology Hospital
Current assignee: Hangzhjou Obstetrics & Gynecology Hospital
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-02
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a membrane rupturing device for obstetrics and gynecology department, which comprises a cylindrical shell (1), wherein two ends of the shell are respectively a handheld end (2) and an extending end (3), a push-pull cavity (4) which is communicated with the shell is arranged in the shell (1), a push-pull column (5) which is connected in a sliding way is arranged in the push-pull cavity (4), and the side wall of the push-pull column (5) is attached to the side wall of the push-pull cavity (4); the end part of the push-pull column (5) at the side of the handheld end (2) is provided with an annular action groove (8), the bottom of the action groove (8) is provided with a plurality of sliding holes (9), and the bottom of each sliding hole (9) is provided with a pinhole (10) penetrating through the end part of the push-pull column (5) at the side of the extending end (3); the utility model discloses can control rupture of membranes needle is flexible in a flexible way to avoid causing unexpected damage to the birth canal, have the convenient and good characteristics of reliability of use.

Description

Membrane rupturing device for obstetrics and gynecology department

Technical Field

The utility model relates to the field of medical equipment, in particular to membrane rupturing device for obstetrics and gynecology department.

Background

The obstetrics and gynecology department mainly studies the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, physiological and pathological changes of pregnancy and childbirth, prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, female health care and the like; before the production of a lying-in woman, the amniotic fluid envelope generally breaks naturally to release the amniotic fluid, and then the amniotic fluid envelope is produced smoothly, but the condition that the amniotic fluid envelope cannot break naturally exists, so that medical staff is required to perform puncture drainage manually, the existing mode is to place the needle-shaped membrane breaking device into an birth canal, suck the amniotic fluid envelope through a negative pressure suction principle and puncture the amniotic fluid envelope by contacting with a carried needle body, but the needle body of the membrane breaking device is exposed all the time, so that accidental injury is easily caused to the lying-in woman, and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gynaecology and obstetrics uses rupture of membranes device. The utility model discloses can control the rupture of membranes needle flexible in a flexible way to avoid causing unexpected damage to birth canal, have the convenient and good characteristics of reliability of use.

The technical scheme of the utility model: a membrane rupturing device for obstetrics and gynecology department comprises a cylindrical shell, wherein two ends of the shell are respectively a handheld end and an extending end, a push-pull cavity communicated with the shell is arranged in the shell, a push-pull column in sliding connection is arranged in the push-pull cavity, and the side wall of the push-pull column is attached to the side wall of the push-pull cavity; the end part of the push-pull column at the side of the handheld end is provided with an annular action groove, the bottom of the action groove is provided with a plurality of sliding holes, the bottom of each sliding hole is provided with a needle hole penetrating through the end part of the push-pull column at the side of the extension end, a sliding rod is arranged in each sliding hole, a reset spring is arranged between the bottom surface of each sliding rod and the bottom surface of each sliding hole, and the middle part of the bottom surface of each sliding rod is provided with a membrane breaking needle positioned in each needle hole; the end part of the push-pull column at the side of the handheld end is provided with an action block which is rotationally connected through a bearing, the bottom surface of the action block is provided with arc-shaped convex blocks which are positioned in the action grooves and correspond to the sliding rods, and rebound gaps are arranged among the arc-shaped convex blocks.

In the membrane rupturing device for obstetrics and gynecology department, the extending end is provided with the annular inflatable balloon, the side wall of the shell is internally provided with an inflatable channel communicated with the inflatable balloon, and the end part of the inflatable channel is provided with the inflation tube.

In the membrane rupturing device for obstetrics and gynecology department, the side wall of the push-pull column is provided with the limiting block, and the side wall of the push-pull cavity is provided with the strip-shaped limiting groove matched with the limiting block.

In the membrane rupturing device for obstetrics and gynecology department, the top end of the sliding rod is hemispherical.

In the membrane rupturing device for obstetrics and gynecology department, the cross section of the action block is arc-shaped and is matched with the action groove.

In the membrane rupturing device for obstetrics and gynecology department, the side surface of the action block is provided with the friction bulges which are uniformly distributed.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the two ends of the shell of the utility model are respectively a handheld end and an extending end, a push-pull cavity which is communicated with the shell is arranged in the shell, a push-pull column which is connected in a sliding way is arranged in the push-pull cavity, and the side wall of the push-pull column is jointed with the side wall of the push-pull cavity; the end part of the push-pull column at the side of the handheld end is provided with an annular action groove, the bottom of the action groove is provided with a plurality of sliding holes, the bottom of each sliding hole is provided with a needle hole penetrating through the end part of the push-pull column at the side of the extension end, a sliding rod is arranged in each sliding hole, a reset spring is arranged between the bottom surface of each sliding rod and the bottom surface of each sliding hole, and the middle part of the bottom surface of each sliding rod is provided with a membrane breaking needle positioned in each needle hole; the end part of the push-pull column at the side of the handheld end is provided with an action block which is rotatably connected through a bearing, the bottom surface of the action block is provided with arc-shaped convex blocks which are positioned in the action groove and correspond to the sliding rod, and rebound gaps are arranged among the arc-shaped convex blocks; the shell is placed in the birth canal of a lying-in woman, the action block is pulled outwards to drive the push-pull column to move outwards, so that negative pressure suction is generated inside the birth canal, the amniotic fluid envelope is sucked into the push-pull cavity, the action block is rotated at the moment, the arc-shaped push block of the action block is contacted with the sliding rod to push the sliding rod to move inwards, and then the membrane breaking needle is driven to move inwards in the needle hole, so that the end part of the membrane breaking needle extends out of the end part of the push-pull column to puncture the amniotic fluid envelope; after the membrane breaking is finished, the action block continues to rotate, the rebounding gap reaches the position of the action block, the sliding rod loses stress, and the originally compressed return spring rebounds to drive the sliding rod to move outwards, so that the membrane breaking needle is driven to retract; can only stretch out the rupture of membranes needle when rupture of membranes, prevent to stretch into at the shell and move the in-process rupture of membranes needle outward and expose, and then avoid causing the damage to the lying-in woman, use the reliability good, and the in-process only need the one hand act on the effect piece alright control push-and-pull column the removal and the flexible of rupture of membranes needle, it is convenient to use.

2. The utility model discloses stretching into the end and being equipped with annular inflatable balloon, being equipped with the inflation channel who is linked together with inflatable balloon in the lateral wall of shell, inflation channel's tip is equipped with the gas tube, connects outside aerating device with the gas tube, inflates inflatable balloon through inflation channel, and inflatable balloon after the inflation closely laminates with producing the way, strengthens its inboard airtight effect, and then is convenient for push-and-pull post and carries out the negative pressure and attracts.

3. The utility model discloses the lateral wall of push-and-pull post is equipped with the stopper, and the lateral wall in push-and-pull chamber is equipped with the bar spacing groove that agrees with mutually with the stopper, and the stopper can prevent with the cooperation of spacing groove to drive the push-and-pull post when rotating the effect piece and rotate in the push-and-pull intracavity, ensures the rotation effect of effect piece, further promotes the reliability of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the action groove of the present invention;

fig. 4 is a schematic structural diagram of the action block portion of the present invention.

The labels in the figures are: 1-a housing; 2-a handheld end; 3-extending in end; 4-push-pull cavity; 5, pushing and pulling the column; 6-a limiting block; 7-a limiting groove; 8-an action groove; 9-a slide hole; 10-pinhole; 11-a slide bar; 12-a return spring; 13-membrane rupturing needle; 14-an action block; 15-arc shaped projection; 16-a clamping port; 17-inflating the balloon; 18-an inflation channel; 19-a gas-filled tube; 20-Friction projections.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a membrane rupturing device for obstetrics and gynecology department is disclosed, as shown in attached figures 1 and 2, and comprises a cylindrical shell 1, wherein two ends of the shell are respectively a handheld end 2 and an extending end 3, a push-pull cavity 4 which is communicated with the shell 1 is arranged in the shell 1, a push-pull column 5 which is connected in a sliding manner is arranged in the push-pull cavity 4, the side wall of the push-pull column 5 is attached to the side wall of the push-pull cavity 4, and a rubber sealing ring is arranged at the end part of the push-pull column 5 to enhance the generated negative pressure suction effect; as shown in fig. 3 and fig. 4, an annular action groove 8 is arranged at the end of the push-pull column 5 at the side of the

handheld end

2, 4 sliding holes 9 are arranged at the bottom of the action groove 8, a needle hole 10 penetrating through the end of the push-pull column 5 at the side of the extending end 3 is arranged at the bottom of each sliding hole 9, a sliding rod 11 is arranged in each sliding hole 9, a return spring 12 is arranged between the bottom surface of each sliding rod 11 and the bottom surface of each sliding hole 9, a membrane breaking needle 13 positioned in each needle hole 10 is arranged in the middle of the bottom surface of each sliding rod 11, and a plurality of membrane breaking needles 13 have larger membrane breaking areas; the end part of the push-pull column 5 at the side of the handheld end 2 is provided with an action block 14 which is rotatably connected through a bearing, the bottom surface of the action block 14 is provided with an arc-shaped convex block 15 which is positioned in the action groove 8 and corresponds to the sliding rod 11, and a rebound gap 16 is arranged between the arc-shaped convex blocks 15; the extending end 3 is provided with an annular inflatable balloon 17, the side wall of the shell 1 is internally provided with an inflatable channel 18 communicated with the inflatable balloon 17, and the end part of the inflatable channel 18 is provided with an inflatable tube 19; the side wall of the push-pull column 5 is provided with a limiting block 6, and the side wall of the push-pull cavity 4 is provided with a strip-shaped limiting groove 7 matched with the limiting block 6; the top end of the sliding rod 11 is hemispherical, and the transition is smoother when the arc-shaped convex block 15 is contacted, so that the loss is reduced; the section of the action block 14 is arc-shaped and is matched with the action groove 8, when the action block 14 rotates, the arc-shaped lug 15 is matched with the action groove 8 to form limiting, and the rotation stability of the action block 14 is further improved; the side of the action block 14 is provided with evenly distributed friction bulges 20, so that the friction force between the action block and the fingers of a user is increased, and the action block is prevented from slipping.

The working principle is as follows: the shell is placed in the birth canal of a lying-in woman, the action block is pulled outwards to drive the push-pull column to move outwards, so that negative pressure suction is generated inside the birth canal, the amniotic fluid envelope is sucked into the push-pull cavity, the action block is rotated at the moment, the arc-shaped push block of the action block is contacted with the sliding rod to push the sliding rod to move inwards, and then the membrane breaking needle is driven to move inwards in the needle hole, so that the end part of the membrane breaking needle extends out of the end part of the push-pull column to puncture the amniotic fluid envelope; after the membrane breaking is finished, the action block continues to rotate, the rebounding gap reaches the position of the action block, the sliding rod loses stress, and the originally compressed return spring rebounds to drive the sliding rod to move outwards, so that the membrane breaking needle is driven to retract; can only stretch out the rupture of membranes needle when rupture of membranes, prevent to stretch into at the shell and move the in-process rupture of membranes needle outward and expose, and then avoid causing the damage to the lying-in woman, use the reliability good, and the in-process only need the one hand act on the removal of action piece alright control push-and-pull post and the flexible of rupture of membranes needle, it is convenient to use.

Claims

1. A membrane rupturing device for obstetrics and gynecology department comprises a cylindrical shell (1), wherein a handheld end (2) and an extending end (3) are respectively arranged at two ends of the shell, a push-pull cavity (4) communicated with the shell is formed in the shell (1), a push-pull column (5) in sliding connection is arranged in the push-pull cavity (4), and the side wall of the push-pull column (5) is attached to the side wall of the push-pull cavity (4); the method is characterized in that: an annular action groove (8) is formed in the end portion of the push-pull column (5) on the side where the handheld end (2) is located, a plurality of sliding holes (9) are formed in the bottom of the action groove (8), needle holes (10) penetrating through the end portion of the push-pull column (5) on the side where the extending end (3) is located are formed in the bottom of each sliding hole (9), sliding rods (11) are arranged in the sliding holes (9), reset springs (12) are arranged between the bottom surfaces of the sliding rods (11) and the bottom surfaces of the sliding holes (9), and membrane breaking needles (13) located in the needle holes (10) are arranged in the middles of the bottom surfaces of the sliding rods (11); the end part of the push-pull column (5) at the side of the handheld end (2) is provided with an action block (14) which is rotatably connected through a bearing, the bottom surface of the action block (14) is provided with an arc-shaped convex block (15) which is positioned in the action groove (8) and corresponds to the sliding rod (11), and a rebound gap (16) is arranged between the arc-shaped convex blocks (15).

2. The gynecological membrane rupturing device of claim 1, wherein: the stretching end (3) is provided with an annular inflatable balloon (17), the side wall of the shell (1) is internally provided with an inflatable channel (18) communicated with the inflatable balloon (17), and the end part of the inflatable channel (18) is provided with an inflatable tube (19).

3. The gynecological membrane rupturing device of claim 1, wherein: the side wall of the push-pull column (5) is provided with a limiting block (6), and the side wall of the push-pull cavity (4) is provided with a strip-shaped limiting groove (7) matched with the limiting block (6).

4. The gynecological membrane rupturing device of claim 1, wherein: the top end of the sliding rod (11) is hemispherical.

5. The gynecological membrane rupturing device of claim 1, wherein: the cross section of the action block (14) is arc-shaped and is matched with the action groove (8).

6. The gynecological membrane rupturing device of claim 1, wherein: the side surface of the action block (14) is provided with friction bulges (20) which are uniformly distributed.