CN219439369U - Artificial membrane rupture tool for obstetrical clinic - Google Patents

Abstract

The utility model relates to an artificial membrane rupture tool for obstetrical clinic, which comprises a membrane rupture pipe and a membrane rupture knife arranged in the membrane rupture pipe; a safety protection wing is arranged at the bottom opening of the membrane rupture pipe; the membrane rupture knife comprises a knife bar, a knife head is arranged at the bottom of the knife bar, and a button is arranged at the top of the knife bar; the lower end of the cutter bar is provided with a limiting plate; the inner wall of the membrane rupture pipe is positioned below the limiting plate and provided with a limiting table; a spring is arranged between the limiting table and the limiting plate and sleeved outside the cutter bar; a group of protruding blocks are arranged on the limiting plate at intervals along the circumferential direction, and a group of grooves for the protruding blocks to slide are correspondingly arranged on the inner wall of the membrane breaking pipe at intervals along the circumferential direction; the distance between the bottom of the convex block and the bottom of the groove is 2-3 mm. The manual membrane rupture tool adopts a push type structure, flexible control of the expansion and contraction of the membrane rupture knife, simple operation, high success rate of one-time membrane rupture, small membrane rupture space and capability of manually rupture when the cervical orifice expands by more than 0.5CM and can accommodate 1 finger.

Description

Artificial membrane rupture tool for obstetrical clinic

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an artificial membrane rupture tool for obstetrical clinic.

Background

Some puerpera can not rupture membranes naturally in clinic, and medical staff is required to perform manual membrane rupture, namely, the amniotic membrane at the uterine opening is torn by intervention in an artificial way, so that the amniotic fluid color of the puerpera can be observed, the uterine contraction is enhanced, and the progress of the labor is accelerated. In clinic, artificial rupture of membranes is a relatively common approach to labor in the course of natural delivery. Currently, obstetrical clinic generally uses toothed forceps for artificial rupture of membranes; when the rupture of membranes, the middle finger and the index finger of the left hand extend into the vagina for guiding, the right hand holds the toothed forceps clamp, the rupture of membranes is torn, and the rupture is enlarged by the fingers, so that sheep water flows out. The membrane rupture mode has the following defects: (1) during operation, surrounding tissue such as the cervix may be damaged; (2) When the fetal head is relatively high or the cervix is backwards facing, finding the fetal membranes is difficult; (3) Part of pregnant women have large fetal membranes, the ends of the toothed forceps jaws are relatively thick, the fetal membranes are not easy to break, the success rate is low at one time, and the discomfort of the pregnant women can be increased by repeated operation; (4) When the conventional toothed forceps (scissors type) is used for rupture of membranes, a certain operation space is needed, and effective rupture of membranes cannot be carried out when the cervical orifice is smaller, and more than 2CM of expansion is needed.

Disclosure of Invention

The utility model aims to provide an artificial membrane rupture tool for obstetrical clinic, which is used for overcoming the problems in the prior art. The manual membrane rupture tool for obstetrical clinic comprises the membrane rupture knife and the membrane rupture tube, and adopts a push type structure, so that an operator can flexibly control the extension and contraction of the membrane rupture knife, the operation is simple, the success rate of one-time membrane rupture is high, the membrane rupture space is small, and the manual membrane rupture can be realized when the cervical orifice expands by more than 0.5CM and 1 finger can be accommodated; the utility model adopts a specific structural design, and can be adjusted to a proper length according to the position of the fetal head in actual use, thereby having strong practicability and good universality.

The technical scheme of the utility model is as follows:

the artificial membrane rupture tool for obstetrical clinic comprises a membrane rupture pipe and a membrane rupture knife arranged in the membrane rupture pipe; the membrane rupture pipe is of a hollow structure with two open ends; a safety protection wing is arranged at the bottom opening of the membrane rupture pipe; the membrane rupture knife comprises a knife bar and a knife head; a button is arranged at the top of the cutter bar; a limiting plate is arranged on the peripheral surface of the lower end of the cutter bar; the inner wall of the membrane rupture pipe is positioned below the limiting plate and provided with a limiting table; a first spring is arranged between the limiting table and the limiting plate; the first spring is sleeved outside the cutter bar; a group of protruding blocks are arranged on the outer peripheral surface of the limiting plate at intervals along the circumferential direction, and a group of grooves matched with the protruding blocks are correspondingly arranged on the inner wall of the membrane breaking pipe at intervals along the circumferential direction; the distance d between the bottom of the convex block and the bottom of the groove is 2-3 mm.

Compared with the prior art, the artificial membrane rupture tool for obstetrical clinic has the following advantages: (1) The manual membrane rupture tool comprises a membrane rupture cutter and a membrane rupture pipe, and the membrane rupture cutter is provided with a button and a spring, so that an operator can flexibly control the extension and retraction of the membrane rupture cutter, the membrane rupture tool is convenient for high-position membrane rupture, the membrane rupture space is small, the manual membrane rupture can be realized when the cervical orifice expands more than 0.5CM and can accommodate 1 finger, and the membrane rupture efficiency is high; (2) The membrane rupture knife is provided with the convex blocks, the membrane rupture tube is provided with the grooves, and the relative rotation of the membrane rupture knife and the membrane rupture tube can be limited through the mutual matching of the convex blocks and the grooves, so that the knife head of the membrane rupture knife can only move vertically and cannot deviate, and the situation that the knife head scratches the vagina in the membrane rupture process can be avoided; (3) The cutter head of the membrane rupture cutter is sharp, so that the membrane rupture cutter can be punctured at one time even if the toughness of the fetal membrane is large, repeated operation is not needed, and the discomfort of a pregnant woman can be relieved; (4) The tool bit is hidden, is equipped with the safety protection wing in the exit of tool bit, can protect surrounding tissue and operator's finger, and the operation security is high.

As optimization, in the artificial membrane rupture tool for obstetrical clinic, the button comprises a pressing head and an adjusting sleeve sleeved at the upper end of the cutter bar; the outer peripheral surface of the cutter bar is provided with a first adjusting groove, and correspondingly, the inner wall of the adjusting sleeve is provided with a first gear column matched with the first adjusting groove; the first adjusting groove comprises a first sliding groove and a group of first gear grooves which are distributed at intervals and communicated with the first sliding groove, and two side groove walls of the first gear grooves are respectively provided with a first limiting protrusion. Therefore, when in actual use, the position of the adjusting sleeve can be changed according to the position of the fetal head, and then the membrane rupture knife is adjusted to be of a proper length, so that the universality is good.

As an optimization, in the artificial membrane rupture tool for obstetrical clinic, the membrane rupture tube comprises a first tube sleeve, a second tube sleeve and a third tube sleeve; the first pipe sleeve is sleeved at the upper end of the second pipe sleeve; the lower end of the second pipe sleeve is sleeved at the upper end of the third pipe sleeve; the outer peripheral surface of the second pipe sleeve is provided with a second adjusting groove, and correspondingly, the inner wall of the first pipe sleeve is provided with a second gear column matched with the second adjusting groove; the second adjusting groove comprises a second sliding groove and a group of second gear grooves which are distributed at intervals and communicated with the second sliding groove, and second limiting protrusions are respectively arranged on groove walls on two sides of the second gear grooves. Therefore, when the length of the membrane rupture knife is adjusted, the whole length of the membrane rupture pipe can be changed by changing the position of the first pipe sleeve, so that the length of the membrane rupture pipe is adapted to the length of the membrane rupture knife, and the button can be conveniently pressed during manual membrane rupture; in addition, after the rupture of membranes pipe divide into three parts, the assembly is more convenient.

As an optimization, in the artificial membrane rupture tool for obstetrical clinic, the number of the first adjusting grooves is two, the first adjusting grooves are symmetrically distributed on two sides of the cutter bar, and the corresponding number of the first gear columns is two, and the first gear columns are symmetrically distributed on two sides of the inner wall of the adjusting sleeve; the number of the second regulating grooves is two, the second regulating grooves are symmetrically distributed on two sides of the second pipe sleeve, and the second gear columns are correspondingly two and symmetrically distributed on two sides of the inner wall of the first pipe sleeve. Therefore, the connection firmness between the first pipe sleeve and the second pipe sleeve and between the adjusting sleeve and the cutter bar can be ensured.

As an optimization, in the artificial membrane rupture tool for obstetrical clinic, the position of the first adjusting groove corresponds to the position of the second adjusting groove; the pressing head is provided with a first connecting hole, and correspondingly, the first pipe sleeve is provided with a second connecting hole, and a connecting column is arranged in the second connecting hole and used for connecting and fixing the first pipe sleeve and the pressing head; and a second spring is sleeved outside the connecting column. Therefore, when the length of the membrane rupture tool is adjusted, the connecting column can be pressed, the first pipe sleeve and the pressing head are fixed together, synchronous adjustment of the first pipe sleeve and the adjusting sleeve is realized, and the operation is more convenient.

As an optimization, in the artificial membrane rupture tool for obstetrical clinic, the first adjusting groove may be provided with three first gear grooves, and the second adjusting groove may be provided with three second gear grooves correspondingly; the three gears are respectively 8cm, 12cm and 16cm.

In the artificial membrane rupture tool for obstetrical clinic, the lower end of the second sleeve is fixedly connected with the upper end of the third sleeve through threads. At this time, the disassembly and assembly are convenient and the implementation is easy.

Drawings

FIG. 1 is a schematic view of the structure of the artificial membrane rupturing tool for obstetrical clinic of the present utility model;

FIG. 2 is a right side view of the obstetrical clinical artificial membrane rupturing tool of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is a B-B cross-sectional view of FIG. 2;

FIG. 5 is a cross-sectional view taken along the direction C-C in FIG. 2;

FIG. 6 is an enlarged schematic view of portion D of FIG. 3;

FIG. 7 is a schematic illustration of the construction of a second sleeve according to the present utility model;

FIG. 8 is a schematic view of the construction of a third shroud in accordance with the present utility model;

FIG. 9 is a schematic diagram of the assembly of a limiting plate and a rupture tube according to the present utility model;

FIG. 10 is a schematic structural view of a membrane-rupturing knife in the present utility model;

fig. 11 is a schematic view of the structure of the cutter head in the present utility model.

The marks in the drawings are: 1-a membrane rupture pipe, 101-a safety wing, 102-a limiting table, 103-a groove, 11-a first pipe sleeve, 1101-a second gear column, 1102-a second connecting hole, 12-a second pipe sleeve, 1201-a second sliding groove, 1202-a second gear groove, 1203-a second limiting protrusion and 13-a third pipe sleeve; 2-a membrane rupture knife, 21-a knife bar, 2101-a first chute, 2102-a first gear slot, 2103-a first limit protrusion, 22-a knife head, 23-a limit plate and 2301-a bump; 3-buttons, 31-pressing heads, 3101-first connecting holes, 32-adjusting sleeves and 3201-first gear posts; 4-a first spring; a 5-connecting column; 6-a second spring.

Detailed Description

The present application is further illustrated in the following figures and examples, which are not intended to be limiting.

Referring to fig. 1 to 11, the artificial membrane rupture tool for obstetrical clinic of the present utility model comprises a membrane rupture tube 1 and a membrane rupture blade 2; the membrane rupture pipe 1 is of a hollow structure with two open ends; a safety protection wing 101 is arranged at the bottom opening of the membrane rupture pipe 1; the membrane rupture knife 2 is arranged in the membrane rupture tube 1; the rupture disc cutter 2 comprises a cutter bar 21 and a cutter head 22 arranged at the bottom of the cutter bar 21; the top of the cutter bar 21 is provided with a button 3 (in an initial state, the button 3 extends out of the rupture tube 1); a limiting plate 23 is arranged on the peripheral surface of the lower end of the cutter bar 21; a limiting table 102 is arranged on the inner wall of the membrane rupture pipe 1 and below the limiting plate 23; a first spring 4 is arranged between the limiting table 102 and the limiting plate 23; the first spring 4 is sleeved outside the cutter bar 21; a set of protruding blocks 2301 are circumferentially arranged on the outer peripheral surface of the limiting plate 23 at intervals, and a set of grooves 103 matched with the protruding blocks 2301 are circumferentially arranged on the inner wall of the membrane breaking tube 1 correspondingly at intervals; the distance d between the bottom of the bump 2301 and the bottom of the groove 103 is 2-3 mm. At this time, when the button 3 is pressed, the length of the cutter head 22 extending out of the membrane rupture tube 1 is 2-3 mm, so that puncture of the fetal head can be avoided.

Examples:

in this embodiment, the distance d between the bottom of the bump 2301 and the bottom of the groove 103 is 2.5mm.

In this embodiment, the button 3 includes a pressing head 31; one end of the pressing head 31 extends out of the membrane rupture tube 1, and the other end is provided with an adjusting sleeve 32; the adjusting sleeve 32 is sleeved at the upper end of the cutter bar 21; a first adjusting groove is formed in the outer peripheral surface of the cutter bar 21, and a first gear post 3201 matched with the first adjusting groove is correspondingly formed in the inner wall of the adjusting sleeve 32; the first adjusting groove comprises a first chute 2101 and a group of first gear grooves 2102 which are distributed at intervals and are communicated with the first chute 2101, and two side groove walls of the first gear grooves 2102 are respectively provided with a first limiting protrusion 2103. Therefore, the position of the adjusting sleeve 32 can be changed according to the position of the fetal head, and the membrane breaking knife 2 can be adjusted to be of a proper length, so that the universality is good. Further, the membrane breaking pipe 1 comprises a first pipe sleeve 11, a second pipe sleeve 12 and a third pipe sleeve 13; the first pipe sleeve 11 is sleeved at the upper end of the second pipe sleeve 12; the lower end of the second pipe sleeve 12 is sleeved at the upper end of the third pipe sleeve 13; a second adjusting groove is formed in the outer peripheral surface of the second pipe sleeve 12, and a second gear post 1101 matched with the second adjusting groove is correspondingly formed in the inner wall of the first pipe sleeve 11; the second adjusting groove comprises a second sliding groove 1201 and a group of second gear grooves 1202 which are distributed at intervals and are communicated with the second sliding groove 1201, and second limiting protrusions 1203 are respectively arranged on groove walls on two sides of the second gear grooves 1202. Therefore, after the length of the membrane rupture blade 2 is changed, the whole length of the membrane rupture tube 1 can be changed by changing the position of the first pipe sleeve 11, so that the length of the membrane rupture tube 1 is adapted to the length of the membrane rupture blade 2, and the button 3 can be conveniently pressed during manual membrane rupture; in addition, after the rupture of membranes pipe 1 divide into three parts, the assembly is more convenient.

In this embodiment, the position of the first adjusting slot corresponds to the position of the second adjusting slot; the pressing head 31 is provided with a first connecting hole 3101, correspondingly, the first pipe sleeve 11 is provided with a second connecting hole 1102, and the second connecting hole 1102 is internally provided with a connecting column 5 for connecting and fixing the first pipe sleeve 11 and the pressing head 31; the connecting column 5 is sleeved with a second spring 6. When the length of the membrane breaking tool is adjusted, one hand presses the connecting column 5, so that the connecting column 5 is inserted into the first connecting hole 3101, the first pipe sleeve 11 and the pressing head 31 are fixed together, the other hand grabs the second pipe sleeve 12 and rotates and moves according to the requirement, and the gear column is buckled into the corresponding gear groove to form limit; after the adjustment is completed, the connecting column 5 is loosened, and the connecting column 5 is reset under the action of the elastic force of the second spring 6.

In this embodiment, the first adjusting groove is provided with three first gear grooves 2102, and the second adjusting groove is provided with three second gear grooves 1202. At this time, the membrane rupturing tool can be adjusted to 3 lengths of 8cm, 12cm and 16cm respectively, and the lengths are the length L of the membrane rupturing tube 1.

In this embodiment, the lower end of the second pipe sleeve 12 is fixed to the upper end of the third pipe sleeve 13 through threaded connection. At this time, the disassembly and assembly are convenient and the implementation is easy.

In the initial state, the cutter head 22 is housed in the rupture tube 1. When the device is used, the index finger and the middle finger of the right hand clamp the rupture tube 1 so as to guide the rupture blade 2 to work, the finger of the left hand pushes up the fetus, the exposed part is protected, the cervix and the vaginal wall are avoided, the auxiliary damage is reduced, the safety wings 101 are attached to the fetal membranes after the position is found, and then the button 3 is pressed by the left hand so that the cutter head 22 of the rupture blade extends out to puncture the fetal membranes; after the membrane rupture is completed, the button 3 is released, and the membrane rupture knife 2 is reset under the action of the first spring 4.

The above general description of the utility model and the description of specific embodiments thereof referred to in this application should not be construed as limiting the scope of the utility model. Those skilled in the art can add, subtract or combine the features disclosed in the foregoing general description and/or the detailed description (including examples) to form other technical solutions within the scope of the present application without departing from the disclosure of the present application.

Claims (7)

1. Clinical manual rupture of membranes instrument of obstetrical department, its characterized in that: comprises a membrane rupture pipe (1) and a membrane rupture knife (2) arranged in the membrane rupture pipe (1); the membrane rupture pipe (1) is of a hollow structure with two open ends; a safety protection wing (101) is arranged at the bottom opening of the membrane rupture pipe (1); the membrane rupture knife (2) comprises a knife bar (21) and a knife head (22); the top of the cutter bar (21) is provided with a button (3); a limiting plate (23) is arranged on the peripheral surface of the lower end of the cutter bar (21); a limiting table (102) is arranged on the inner wall of the membrane rupture pipe (1) and below the limiting plate (23); a first spring (4) is arranged between the limiting table (102) and the limiting plate (23); the first spring (4) is sleeved outside the cutter bar (21); a group of protruding blocks (2301) are arranged on the outer peripheral surface of the limiting plate (23) at intervals along the circumferential direction, and a group of grooves (103) matched with the protruding blocks (2301) are correspondingly arranged on the inner wall of the membrane breaking tube (1) at intervals along the circumferential direction; the distance d between the bottom of the convex block (2301) and the bottom of the groove (103) is 2-3 mm.

2. An obstetrical clinical artificial membrane rupturing tool according to claim 1, wherein: the button (3) comprises a pressing head (31) and an adjusting sleeve (32) sleeved at the upper end of the cutter bar (21); the outer peripheral surface of the cutter bar (21) is provided with a first adjusting groove, and correspondingly, the inner wall of the adjusting sleeve (32) is provided with a first gear column (3201) matched with the first adjusting groove; the first adjusting groove comprises a first chute (2101) and a group of first gear grooves (2102) which are distributed at intervals and are communicated with the first chute (2101), and first limit protrusions (2103) are respectively arranged on groove walls on two sides of the first gear grooves (2102).

3. An obstetrical clinical artificial membrane rupturing tool according to claim 2, wherein: the membrane rupture pipe (1) comprises a first pipe sleeve (11), a second pipe sleeve (12) and a third pipe sleeve (13); the first pipe sleeve (11) is sleeved at the upper end of the second pipe sleeve (12); the lower end of the second pipe sleeve (12) is sleeved at the upper end of the third pipe sleeve (13); a second adjusting groove is formed in the outer peripheral surface of the second pipe sleeve (12), and a second gear column (1101) matched with the second adjusting groove is arranged on the inner wall of the first pipe sleeve (11) correspondingly; the second adjusting groove comprises a second sliding groove (1201) and a group of second gear grooves (1202) which are distributed at intervals and are communicated with the second sliding groove (1201), and second limiting protrusions (1203) are respectively arranged on groove walls on two sides of the second gear grooves (1202).

4. A clinical artificial rupture tool according to claim 3, wherein: the number of the first adjusting grooves is two, the first adjusting grooves are symmetrically distributed on two sides of the cutter bar (21), and the corresponding first gear columns (3201) are two and symmetrically distributed on two sides of the inner wall of the adjusting sleeve (32); the number of the second adjusting grooves is two, the second adjusting grooves are symmetrically distributed on two sides of the second pipe sleeve (12), and the number of the second gear columns (1101) is two and symmetrically distributed on two sides of the inner wall of the first pipe sleeve (11).

5. A clinical artificial rupture tool according to claim 3, wherein: the position of the first regulating groove corresponds to the position of the second regulating groove; the pressing head (31) is provided with a first connecting hole (3101), and the first pipe sleeve (11) is provided with a second connecting hole (1102); a connecting column (5) is arranged in the second connecting hole (1102) and used for connecting and fixing the first pipe sleeve (11) and the pressing head (31); the connecting column (5) is sleeved with a second spring (6).

6. An obstetrical clinical artificial membrane rupturing tool according to claim 4, wherein: three first gear grooves (2102) are formed in the first adjusting groove, and three second gear grooves (1202) are formed in the second adjusting groove correspondingly.

7. A clinical artificial rupture tool according to claim 3, wherein: the lower end of the second pipe sleeve (12) is fixedly connected with the upper end of the third pipe sleeve (13) through threads.