Obstetrical amnion rupture device

By designing an amniocentesis device that includes a front sleeve, connecting tube, air bladder, and rupture needle, the problems of painful and potentially damaging fetuses in existing technologies have been solved, achieving a comfortable and safe amniocentesis procedure and improving its practicality.

CN223464091UActive Publication Date: 2025-10-24GUANGDONG CCLIFFORD HOSPITAL CO LTD
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Patent Information

Application Number
CN202422557638.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-24
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Existing amniotomy devices for obstetrics have a simple structure, cause pain to patients during use, and are prone to damaging the fetus. They are difficult for novice operators to use and can easily damage the cervix, making them impractical.

Method used

An amniocentesis device was designed, comprising components such as a front sleeve, connecting tube, air bladder, and rupture needle. The air bladder generates suction to adsorb the amniomembrane, and the hidden rupture needle is used to perform the rupture operation. The suction collects the amniotic fluid, and the color of the amniotic fluid can be observed through an internally threaded collection bottle. The structure is easy to disassemble and disinfect, and the operation is simple.

Benefits of technology

It improves user comfort, reduces the risk of harm to the fetus, simplifies the operation process, and enhances practicality and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an amniotic membrane rupturing device for obstetrical department, which aims to solve the technical problems that the structure of the amniotic membrane rupturing device in the prior art is simple, great pain is brought to a patient when the amniotic membrane rupturing device is used, a fetus is easily injured in the process of rupturing the amniotic membrane, the practicability is poor, a new person is difficult to operate, and the cervix uteri is easily injured. The amniotic membrane rupture device comprises a front sleeve, a connecting pipe is arranged on the left side of the front sleeve, the front sleeve is in threaded connection with the connecting pipe, and an air hole is formed in the end, away from the connecting pipe, of the front sleeve. The right end of the front sleeve is semispherical and round, the membrane rupturing needle is installed in the front sleeve in a hidden mode, damage is not prone to being caused when the membrane rupturing needle enters the birth canal, the use comfort of the membrane rupturing needle is guaranteed, the membrane rupturing needle is located in the front sleeve when rupturing membranes, damage to a fetus when the membrane rupturing needle ruptures the membranes is prevented, operation is easy, and practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to an obstetrical amnion membrane breaker. BACKGROUND

[0002] The amnion membrane breaker is a device for facilitating doctors in obstetrical delivery room to break fetal membranes, and in the process of production, artificial rupture of membranes is selected according to the specific conditions of pregnant women since the due date has been exceeded, and the rupture of membranes is a process of accelerating production, and in use, the amnion membrane breaker needs to be inserted into the vagina of a patient, and then the amnion of the patient at the cervix is broken to facilitate the patient to give birth, the existing amnion membrane breaker has a relatively simple structure, and in use, it brings great pain to the patient, and in the process of breaking the amnion, the fetus is easily injured, resulting in poor practicability, and it is difficult for a new person to operate, and the cervix is easily damaged, therefore, a new obstetrical amnion membrane breaker is designed to change the above technical defects. SUMMARY

[0003] (1) Technical problem to be solved

[0004] In view of the defects in the prior art, the utility model aims at providing an obstetrical amnion membrane breaker, which aims at solving the technical problems that the amnion membrane breaker has a relatively simple structure in the prior art, brings great pain to the patient in use, and the fetus is easily injured in the process of breaking the amnion, resulting in poor practicability, and it is difficult for a new person to operate, and the cervix is easily damaged.

[0005] (2) Technical scheme

[0006] In order to solve the above technical problems, the utility model provides an obstetrical amnion membrane breaker, which comprises a front sleeve, a connecting pipe is arranged on the left side of the front sleeve, the front sleeve is threadedly connected with the connecting pipe, a gas hole is formed in the end of the front sleeve away from the connecting pipe, an installation plate is fixedly connected to the inner wall of the connecting pipe, a limiting hole is formed in the outer surface of the installation plate, a telescopic rod is slidably installed in the limiting hole, a membrane breaking needle is installed on the outer surface of one end of the telescopic rod, a pressing block is fixedly connected to the end of the telescopic rod away from the membrane breaking needle, a gas pipe is installed through the outer surface of the connecting pipe, a gas bag is installed at the end of the gas pipe away from the connecting pipe, a one-way air inlet valve and a one-way air outlet valve are installed at the two ends of the gas bag, a threaded joint is installed through the outer surface of the connecting pipe, and an internally threaded collecting bottle is arranged below the connecting pipe.

[0007] When the amniotic membrane breaker is used, the front sleeve and the connecting pipe are installed through screw threads, so that the amniotic membrane breaker is convenient to disassemble and disinfect, the inner thread collecting bottle is installed on the connecting pipe through the screw joint, the front sleeve is inserted into the birth canal of the puerpera to make the front sleeve abut against the amniotic membrane surface, then the air bag is repeatedly gripped, under the action of the one-way air inlet valve and the spring, air is drawn from the front sleeve and the connecting pipe through the air pipe when the air bag is gripped, the suction force is generated in the front sleeve due to the air drawn, the suction force in the front sleeve is conducted to the amniotic membrane surface through the air hole to adsorb the amniotic membrane, the amniotic membrane is deformed under the action of the suction force in the front sleeve and enters the inside of the front sleeve through the air hole, then the pressing block is pressed to drive the telescopic rod to pierce the amniotic membrane, the operation of breaking the amniotic membrane is realized, the amniotic fluid is sucked from the amniotic membrane groove through the suction force of the front sleeve, the amniotic fluid in the front sleeve enters the inner thread collecting bottle through the screw joint to be collected, the color of the amniotic fluid is observed to determine the state of the baby, the right end of the front sleeve is semispherical and relatively round, the breaking needle is installed in the inside of the front sleeve in a hidden mode, the birth canal is not easily damaged when the breaking needle is inserted into the birth canal, the comfort of use is ensured, the breaking needle is located in the inside of the front sleeve when the amniotic membrane is broken, the fetus is prevented from being damaged when the amniotic membrane is broken, the operation is simple and the practicability is improved.

[0008] Preferably, the telescopic rod is sleeved with a spring, and two ends of the spring are fixedly connected with the mounting plate and the outer surface of the pressing block. Through the setting of the spring, the spring uses the elasticity to push the pressing block to position the telescopic rod, avoiding the sliding of the telescopic rod affecting the use effect.

[0009] Further, the outer surface of the pressing block is provided with anti-skid grooves. Through the setting of the anti-skid grooves, the friction between the fingers of the user and the pressing block is increased, avoiding the hands from slipping when the user presses the pressing block.

[0010] Still further, the outer surface of the connecting pipe is fixedly connected with a ring, and the material of the ring is plastic. Through the setting of the ring, the user can easily hold the amniotic membrane breaker for use, increasing the stability when the user holds the amniotic membrane breaker.

[0011] Still further, the outer surface of the telescopic rod is fixedly connected with support rods, and the number of the support rods is at least three. Through the setting of the support rods, the support rods are inserted into the inside of the front sleeve and contact with the inner wall thereof, supporting the telescopic rod and preventing the telescopic rod from shaking.

[0012] Still further, the outer surfaces of the front sleeve and the connecting pipe are provided with anti-skid grooves. Through the setting of the anti-skid grooves, the front sleeve and the connecting pipe are conveniently gripped to be rotatably installed, avoiding the hands from slipping when the front sleeve and the connecting pipe are rotatably installed.

[0013] (3) Advantages

[0014] Compared with the prior art, the amniotic membrane breaker has the following advantages:

[0015] The utility model discloses a front sleeve and connecting pipe threaded mounting make this amnion membrane breaking ware convenient to split, convenient to carry out disinfection, install the internal thread collection bottle to connecting pipe through the threaded joint again, use make the front sleeve insert into the puerperal birth canal and make it with amnion membrane surface resist, then catch the air bag repeatedly and hold, under the action of one -way air inlet valve and spring, the air bag holds when the air is drawn from the front sleeve and connecting pipe through the trachea, and the suction in the front sleeve produces suction, and the suction in the front sleeve is conducted to the amnion membrane surface through the air hole and absorbs the amnion membrane, and the amnion membrane is deformed under the suction in the front sleeve and enters the inside of the front sleeve through the air hole, then press the pressure block and drive the telescopic rod and break the membrane needle and stab towards the amnion membrane, realize the breaking operation of amnion membrane, and the amniotic fluid is absorbed from the amnion membrane groove through the suction in the front sleeve, and the amniotic fluid in the front sleeve enters the internal thread collection bottle through the threaded joint and is collected, and the color of the amniotic fluid is observed to determine the state of the baby, and the right end of the front sleeve is semispherical and relatively round, and the breaking membrane needle is installed to the inside of the front sleeve and is hidden, and it is not easy to cause damage when entering the birth canal, guarantee the comfort of use, and the breaking membrane needle is located in the inside of the front sleeve when breaking the membrane, prevent the damage to the fetus when breaking the membrane, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of amnion membrane breaking ware of the utility model;

[0017] Figure 2 It is the side view structure schematic diagram of amnion membrane breaking ware of the utility model;

[0018] Figure 3 It is the connecting pipe inside structure schematic diagram of amnion membrane breaking ware of the utility model;

[0019] Figure 4 It is amnion membrane breaking ware of the utility model Figure 3 It is the enlarged structure schematic diagram of A place in amnion membrane breaking ware of the utility model;

[0020] Figure 5 It is amnion membrane breaking ware of the utility model Figure 3 It is the enlarged structure schematic diagram of B place in amnion membrane breaking ware of the utility model.

[0021] The mark in the drawing is: 1, front sleeve;2, anti -slip groove;3, trachea;4, one -way air inlet valve;5, air bag;6, anti -slip groove;7, pressure block;8, finger ring;9, internal thread collection bottle;10, threaded joint;11, connecting pipe;12, air hole;13, telescopic rod;14, one -way exhaust valve;15, mounting plate;16, limit hole;17, support rod;18, breaking membrane needle;19, spring. SPECIFIC EMBODIMENT

[0022] This specific embodiment is a kind of obstetric amnion membrane breaking ware, and its structure schematic diagram is as shown in Figures 1-5As shown, the amniotic membrane breaker comprises a front sleeve 1, a left side of the front sleeve 1 is provided with a connecting pipe 11, and the front sleeve 1 is threadedly connected with the connecting pipe 11, an end of the front sleeve 1 away from the connecting pipe 11 is provided with an air hole 12, an inner wall of the connecting pipe 11 is fixedly connected with a mounting plate 15, and an outer surface of the mounting plate 15 is provided with a limiting hole 16, a telescopic rod 13 is slidingly installed in the limiting hole 16, and the telescopic rod 13 is installed with a membrane breaking needle 18 on an outer surface of one end of the front sleeve 1, an end of the telescopic rod 13 away from the membrane breaking needle 18 is fixedly connected with a pressing block 7, the outer surface of the connecting pipe 11 is penetratedly installed with an air pipe 3, and an end of the air pipe 3 away from the connecting pipe 11 is installed with an air bag 5, two ends of the air bag 5 are respectively installed with a one-way air inlet valve 4 and a one-way air outlet valve 14, the outer surface of the connecting pipe 11 is penetratedly installed with a threaded joint 10, and a lower side of the connecting pipe 11 is provided with an internally threaded collecting bottle 9.

[0023] Wherein, the telescopic rod 13 is externally sleeved with a spring 19, and the spring 19 is fixedly connected with the mounting plate 15 and the outer surface of the pressing block 7. Through the setting of the spring 19, the spring 19 uses elastic pushing to position the telescopic rod 13, avoiding the influence of the sliding of the telescopic rod 13 on the use effect, and the outer surface of the pressing block 7 is provided with an anti-skid groove 6. Through the setting of the anti-skid groove 6, the friction between the fingers of the user and the pressing block 7 is increased, avoiding the hand slipping when the user presses the pressing block 7, the outer surface of the connecting pipe 11 is fixedly connected with a finger ring 8, and the material of the finger ring 8 is plastic. Through the setting of the finger ring 8, the user can easily hold the amniotic membrane breaker for use, increasing the stability when the user holds the amniotic membrane breaker, the outer surface of the telescopic rod 13 is fixedly connected with a supporting rod 17, and the number of the supporting rod 17 is at least three. Through the setting of the supporting rod 17, the supporting rod 17 is inserted into the inside of the front sleeve 1 and contacts with the inner wall thereof, supporting the telescopic rod 13 and preventing the telescopic rod 13 from shaking.

[0024] In addition, the outer surfaces of the front sleeve 1 and the connecting pipe 11 are both provided with anti-skid grooves 2. Through the setting of the anti-skid grooves 2, the front sleeve 1 and the connecting pipe 11 can be conveniently held and rotationally installed, avoiding the hand slipping when the front sleeve 1 and the connecting pipe 11 are rotationally installed.

[0025] Working principle: when the amniotic membrane breaker of the technical scheme is used, the front sleeve 1 and the connecting pipe 11 are screwed to make the amniotic membrane breaker easy to disassemble and disinfect, the inner thread collecting bottle 9 is installed on the connecting pipe 11 through the threaded joint 10, the front sleeve 1 is inserted into the birth canal of the puerpera to make it contact with the amniotic membrane surface, then the air bag 5 is repeatedly gripped, under the action of the one-way air inlet valve 4 and the spring 19, the air bag 5 is gripped to draw air from the front sleeve 1 and the connecting pipe 11 through the air pipe 3, the suction in the front sleeve 1 generates suction, the suction in the front sleeve 1 is conducted to the amniotic membrane surface through the air hole 12 to adsorb the amniotic membrane, the amniotic membrane is deformed under the action of the suction in the front sleeve 1 and enters the inside of the front sleeve 1 through the air hole 12, then the pressure block 7 is pressed to drive the telescopic rod 13 to stab the amniotic membrane with the membrane breaking needle 18, the membrane breaking operation on the amniotic membrane is realized, the amniotic fluid is sucked from the amniotic membrane groove in the front sleeve 1, the amniotic fluid in the front sleeve 1 enters the inner thread collecting bottle 9 through the threaded joint 10 to be collected, the color of the collected amniotic fluid is observed to determine the state of the baby, the right end of the front sleeve 1 is semispherical and relatively round, the membrane breaking needle 18 is installed in the inside of the front sleeve 1 in a hidden mode, the birth canal is not easy to cause damage when entering, the comfort degree of use is ensured, and the membrane breaking needle 18 is located in the inside of the front sleeve 1 when breaking the membrane, damage to the fetus is prevented when the membrane is broken by the membrane breaking needle 18, the operation is simple and the practicability is improved.

[0026] All the technical features in the embodiment can be freely combined according to actual needs.

[0027] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other modes, under the premise of not departing from the technical scheme concept, any obvious replacement is within the protection scope of the utility model.

Claims

1. An obstetric amniotic membrane breaker comprising a front sleeve (1), characterised in that: The left side of the front sleeve (1) is provided with a connecting pipe (11), and the front sleeve (1) is screwed with the connecting pipe (11), one end of the front sleeve (1) away from the connecting pipe (11) is provided with an air hole (12), the inner wall of the connecting pipe (11) is fixedly connected with a mounting plate (15), and the outer surface of the mounting plate (15) is provided with a limiting hole (16), the inside of the limiting hole (16) is slidably connected with an expansion rod (13), and the outer surface of the expansion rod (13) at one end of the front sleeve (1) is provided with a film breaking needle (18), one end of the expansion rod (13) away from the film breaking needle (18) is fixedly connected with a pressing block (7), the outer surface of the connecting pipe (11) is penetratedly provided with an air pipe (3), and one end of the air pipe (3) away from the connecting pipe (11) is provided with an air bag (5), the two ends of the air bag (5) are respectively provided with a one-way air inlet valve (4) and a one-way air outlet valve (14).

2. An obstetric amniotome according to claim 1, characterised in that: The outer surface of the expansion rod (13) is sleeved with a spring (19), and the two ends of the spring (19) are fixedly connected with the outer surfaces of the mounting plate (15) and the pressing block (7).

3. An obstetric amniotome according to claim 2, characterised in that: The outer surface of the pressing block (7) is provided with an anti-skid groove (6).

4. An obstetric amniotome according to claim 3, wherein: The outer surface of the connecting pipe (11) is fixedly connected with a ring (8), and the material of the ring (8) is plastic.

5. An obstetric amniotome according to claim 4, characterised in that: The outer surface of the expansion rod (13) is fixedly connected with a support rod (17), and the number of the support rod (17) is at least three.

6. An obstetric amniotome according to claim 5, characterised in that: The outer surfaces of the front sleeve (1) and the connecting pipe (11) are both provided with anti-skid grooves (2).

7. An obstetric amniotome according to claim 6, characterised in that: The outer surface of the connecting pipe (11) is penetratedly provided with a threaded joint (10), and the lower side of the connecting pipe (11) is provided with an internally threaded collecting bottle (9).