CN219763504U

CN219763504U - Membrane rupture tool

Info

Publication number: CN219763504U
Application number: CN202320920032.8U
Authority: CN
Inventors: 张哲�; 张帅
Original assignee: 7th Medical Center of PLA General Hospital
Current assignee: 7th Medical Center of PLA General Hospital
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-09-29
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a membrane rupture tool, and relates to the technical field of obstetrical clinics. The utility model comprises a handle, wherein the handle is fixedly connected with a connecting half cylinder, the surface connected with the handle is fixedly connected with an extension rod, the extension rod is fixedly connected with a membrane breaking needle, the extension rod is slidably connected with a piston plate, a spring is connected between the piston plate and the handle, and the piston plate is fixedly connected with a control assembly. According to the utility model, the piston plate is driven to move by the finger operation control assembly, then negative pressure is generated in the connecting half cylinder to suck the amniotic fluid film, so that the amniotic fluid film is sucked up to collide with the needle head, the membrane breaking is realized, the extension length of the membrane breaking needle is designed in advance according to the depth of the needle head to be pricked in during manufacturing, higher professional skills are not needed, the potential risk and pain of a puerpera are effectively reduced, the device can be used for grasping by only one hand, the operation of one hand is more flexible, related structures can be controlled by applying force and moving by two fingers, and the device has better stability in the use process.

Description

Membrane rupture tool

Technical Field

The utility model relates to the technical field of obstetrical clinics, in particular to a membrane rupture tool.

Background

In clinical practice of obstetrics, manual rupture of membranes is often required, namely, manual intervention is performed on amniotic membrane at a lacerated uterine opening so as to observe the color of amniotic fluid, strengthen uterine contraction and accelerate the progress of labor, thereby being beneficial to grasping delivery time and taking corresponding measures, and the implementation of manual rupture of membranes requires the rupture of membranes by using corresponding rupture tools.

At present, most membrane rupture tools used in hospitals are needle heads or vascular clamps, and when the needle heads or vascular clamps are used for membrane rupture operation, the membrane rupture depth is difficult to control, the requirements on professional skills of medical staff are high, and the membrane rupture tools bring great potential risks to pregnant and lying-in women and increase the pain of the pregnant and lying-in women.

Disclosure of Invention

The utility model aims at: in order to solve the problems in the background technology, the utility model provides a membrane rupture tool.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a rupture of membranes instrument, includes the handle, the one end department of handle is close to bottom fixedly connected with one connects half section of thick bamboo, another one connects half section of thick bamboo is installed at the top of connecting half section of thick bamboo, the handle connects the surface center department fixedly connected with extension rod of half section of thick bamboo one end, the extension rod extends to the other end that is close to connecting half section of thick bamboo, the terminal fixedly connected with rupture of membranes needle that the extension rod kept away from the handle, the surface of extension rod is located the inside cover of two connection half section of thick bamboo and establishes and sliding connection has the piston board, the surface cover that is located the extension rod between piston board and the handle is equipped with the spring, one side fixedly connected with control assembly that the piston board is close to the spring, control assembly extends to the below outside of connecting half section of thick bamboo.

Further, the control assembly comprises extension rods, one ends of the extension rods are symmetrically arranged and fixedly connected with the surface of the piston plate, one end of the extension rod, which is far away from the piston plate, is rotationally connected with a first rotating rod, the lower surface of the connecting half cylinder is provided with a notch, the first rotating rod extends to the outer side of the connecting half cylinder through the notch in an inclined mode, two ends of the first rotating rod, which are located below the connecting half cylinder, are rotationally connected with two top ends of a T-shaped block, the tail end of the T-shaped block is fixedly connected with the center of the upper surface of the pressing rotating rod, the top end of the pressing rotating rod is rotationally connected with a fixed block, and the outer surface of the fixed block, which is fixedly connected with the connecting half cylinder, is located at the edge of the notch.

Further, a first threaded hole is formed in the tail end, far away from the grip, of the extension rod, and part of the membrane breaking needle is in threaded connection with the inside of the first threaded hole.

Further, the front finger stall is fixedly connected to the position, close to the top, of the surface of the pressing rotating rod, close to the bottom, of the handle, and the rear finger stall is fixedly connected to the position, close to the bottom, of the surface of the handle.

Further, two the both ends that connect half section of thick bamboo outside adjacent department fixedly connected with hinge, both sides connect half section of thick bamboo and be located the symmetry plane of hinge and fixedly connected with two connecting blocks respectively, screw hole second has been seted up to the inside of connecting block, the inside screw hole second threaded connection of connecting block has a hand to twist the screw.

Further, the outer surface of the inclined extension of the connecting half cylinder is fixedly connected with a sealing ring.

The beneficial effects of the utility model are as follows:

according to the utility model, the piston plate is driven to move by the finger operation control assembly, then negative pressure is generated in the connecting half cylinder to suck the amniotic fluid film, so that the amniotic fluid film is sucked up to collide with the needle head, the membrane breaking is realized, the extension length of the membrane breaking needle is designed in advance according to the depth of the needle head to be pricked in during manufacturing, higher professional skills are not needed, the potential risk and pain of a puerpera are effectively reduced, the device can be used for grasping by only one hand, the operation of one hand is more flexible, related structures can be controlled by applying force and moving by two fingers, and the device has better stability in the use process.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an illustration of a control assembly of the present utility model;

FIG. 3 is a cross-sectional view of the end of the extension pole of the present utility model;

FIG. 4 is a diagram showing two sides of a connecting half-cylinder according to the present utility model;

fig. 5 is an end view of the connecting half-cylinder of the present utility model.

Reference numerals: 1. a grip; 2. a connecting half cylinder; 3. an extension rod; 4. a spring; 5. a membrane rupture needle; 6. a piston plate; 7. a control assembly; 701. an extension rod; 702. rotating the first rod; 703. a notch; 704. a T-shaped block; 705. pressing the rotating rod; 706. a fixed block; 8. a first threaded hole; 9. a front finger glove; 10. a rear finger glove; 11. a hinge; 12. a connecting block; 13. a threaded hole II; 14. screwing the screw by hand; 15. and (3) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-5, a membrane rupture tool comprises a handle 1, one end of the handle 1 is close to the bottom and fixedly connected with a connecting half cylinder 2, the top of the connecting half cylinder 2 is provided with another connecting half cylinder 2, the surface center of one end of the handle 1, which is connected with the connecting half cylinder 2, is fixedly connected with an extension rod 3, the extension rod 3 extends to the other end close to the connecting half cylinder 2, the end of the extension rod 3, which is far away from the handle 1, is fixedly connected with a membrane rupture needle 5, the outer surfaces of the extension rod 3 are positioned in the two connecting half cylinders 2, the inner surfaces of the connecting half cylinders 2 and the outer surfaces of the extension rod 3 are tightly connected with each other, the piston plate 6 is tightly connected with the inner surfaces of the connecting half cylinders 2 and the outer surfaces of the piston plate 6, the piston plate 6 is pulled outwards by pasting the inclined opening of the connecting half cylinder 2 on the surface of a goat water film, at this moment, the inner air pressure of the connecting half cylinder 2 between the piston plate 6 and the goat water film is smaller than a normal value, the goat water film contacted with the inner part of the connecting half cylinder 2 is sucked into the connecting half cylinder 2, the goat water film sucked into the connecting half cylinder 2 is contacted with the membrane rupture needle 5, the piston plate 6 is sleeved and connected with the piston plate 6, the piston plate 6 is connected with the inner surface of the piston plate is connected with the piston assembly, the piston assembly 6 is connected with the piston assembly, the piston assembly is connected with the piston assembly 4, the piston assembly is connected with the piston assembly 7, the piston assembly is held by the piston assembly 7, the piston assembly is connected with the piston assembly 7, and the piston assembly is held by the palm assembly 7, the palm assembly is positioned on the outer side of the palm assembly, and the palm assembly, the palm assembly is positioned on the palm side of the palm of a health care palm, and the health care palm, and has the health care assembly, and has a health care device. The mode of sucking up sheep water film with the negative pressure just can effectively solve the difficult control condition of rupture of membranes degree of depth, when the preparation according to the degree of depth that the syringe needle will prick design in advance rupture of membranes needle 5 extend length can, need not higher professional skill, and then effectively reduced lying-in woman's potential risk and misery to just need one hand just can grasp when this device uses, just can control relevant structure through two fingers, single hand operation is more nimble, also has better stability. In the specific use process, the related structure should be reduced or prolonged so as to be suitable for the actual use situation.

As shown in fig. 2, in some embodiments, the control assembly 7 includes extension rods 701, one ends of the two extension rods 701 are symmetrically disposed and fixedly connected with the surface of the piston plate 6, the end of the extension rod 701 away from the piston plate 6 is rotatably connected with a first rotation rod 702, the lower surface of the connection half cylinder 2 is provided with a notch 703, the first rotation rod 702 is obliquely extended to the outer side of the connection half cylinder 2 through the notch 703, the end of the first rotation rod 702 located below the connection half cylinder 2 is rotatably connected with two top ends of a T-shaped block 704, the end of the T-shaped block 704 is fixedly connected with the center of the upper surface of the pressing rod 705, the top end of the pressing rod 705 is rotatably connected with a fixed block 706, the outer surface of the connection half cylinder 2 is located at the edge of the notch, specifically, the pressing rod 705 is lifted inwards by a finger, the pressing rod 702 rotates around the fixed block 706 and drives the first rotation rod 702 to rotate and push the extension rod and the piston plate 6, at this time, the outer surface of the connection half cylinder 2 is attached to the surface of the water film, at this time, the negative pressure of the connection half cylinder 2 is released, and the inner side of the spring 4 is released, and the negative pressure state of the external pressure of the half cylinder 2 is realized. In practical use, the length of the first rotating rod 702 can be controlled, so that the negative pressure generated after the pressing rotating rod 705 is pressed to the uppermost loose hand just sucks the amniotic fluid membrane to be in full contact with the inclined surface of the connecting half cylinder 2. Avoiding the increase of operation difficulty caused by manual negative pressure control.

As shown in fig. 3, in some embodiments, a threaded hole 8 is formed in the end of the extension rod 3 away from the grip 1, and a part of the membrane breaking needle 5 is in threaded connection with the interior of the threaded hole 8, specifically, the membrane breaking needle 5 is in threaded connection with the extension rod 3, so that the extension rod is convenient to be cleaned or replaced independently after use.

As shown in fig. 1, in some embodiments, the front finger stall 9 is fixedly connected to the surface of the pressing bar 705 far from the T-block 704 near the top, and the rear finger stall 10 is fixedly connected to the surface of the grip 1 near the bottom, specifically, the device can be held and controlled more firmly by sleeving the index finger and the middle finger in the front finger stall 9 and the ring finger and the little finger in the rear finger stall 10.

As shown in fig. 4, in some embodiments, two ends of a hinge 11 are fixedly connected to adjacent positions on the outer side of one side of two connection half cylinders 2, two connection half cylinders 2 are respectively fixedly connected with two connection blocks 12 on the symmetry plane of the hinge 11, a threaded hole two 13 is formed in the connection block 12, a hand screw 14 is connected to the threaded hole two 13 in the connection block 12 in a threaded manner, and specifically, the connection half cylinders 2 above are opened by rotating the hinge 11 as a circle center, so that the interior is conveniently cleaned, and when the device is used, the mutual fixing of the two connection half cylinders 2 can be completed by covering the connection half cylinders 2 above and screwing the hand screw 14 into the threaded hole two 13 of the two connection blocks 12.

As shown in fig. 5, in some embodiments, the sealing ring 15 is fixedly connected to the outer surface of the connection half cylinder 2 extending obliquely, specifically, the sealing ring 15 connected with the connection half cylinder 2 contacts the surface of the amniotic membrane, and the sealing ring 15 can better fit the surface of the amniotic membrane, so that gaps are avoided easily occurring after the hard connection half cylinder 2 contacts the amniotic membrane. In practical use, the sealing ring 15 can be made of silica gel or other materials.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a rupture of membranes instrument, includes handle (1), its characterized in that, one end of handle (1) is close to bottom department fixedly connected with and connects half section of thick bamboo (2), another one is connected half section of thick bamboo (2) are installed at the top of connecting half section of thick bamboo (2), the surface center department fixedly connected with extension rod (3) of handle (1) connection half section of thick bamboo (2) one end, extension rod (3) extend to the other end that is close to half section of thick bamboo (2), the terminal fixedly connected with rupture of membranes needle (5) of handle (1) are kept away from to extension rod (3), the surface of extension rod (3) is located the inside cover of two connection half section of thick bamboo (2) and establishes and sliding connection has piston board (6), be located the surface cover of extension rod (3) between piston board (6) and handle (1) and be equipped with spring (4), one side fixedly connected with control assembly (7) that piston board (6) is close to spring (4), control assembly (7) extend to the below outside of connecting half section of thick bamboo (2).

2. The membrane rupturing tool according to claim 1, wherein the control assembly (7) comprises extension rods (701), one ends of the extension rods (701) are symmetrically arranged and fixedly connected with the surface of the piston plate (6), the tail end of the extension rod (701) far away from the piston plate (6) is rotationally connected with a first rotating rod (702), the lower surface of the connecting half cylinder (2) is provided with a notch (703), the first rotating rod (702) obliquely extends to the outer side of the connecting half cylinder (2) through the notch (703), the tail ends of the two first rotating rods (702) located below the connecting half cylinder (2) are rotationally connected with two top ends of a T-shaped block (704), the tail end of the T-shaped block (704) is fixedly connected with the center of the upper surface of the pressing rotating rod (705), the top end of the pressing rotating rod (705) is rotationally connected with a fixed block (706), and the outer surface of the fixed block (706) is fixedly connected with the connecting half cylinder (2) and located at the edge of the notch (703).

3. A rupture disc tool according to claim 2, wherein the end of the extension rod (3) far away from the grip (1) is internally provided with a first threaded hole (8), and a part of the rupture disc needle (5) is in threaded connection with the inside of the first threaded hole (8).

4. A membrane rupturing tool according to claim 3, wherein the front finger sleeve (9) is fixedly connected to the surface of the pressing rotating rod (705) far away from the T-shaped block (704) near the top, and the rear finger sleeve (10) is fixedly connected to the surface of the grip (1) near the bottom.

5. The membrane rupture tool according to claim 4, wherein two ends of the hinge (11) are fixedly connected to adjacent positions on the outer side of one side of the two connecting half cylinders (2), two connecting half cylinders (2) on two sides are respectively fixedly connected with two connecting blocks (12) on the symmetrical surface of the hinge (11), threaded holes II (13) are formed in the connecting blocks (12), and a hand-screwing screw (14) is connected to the threaded holes II (13) in the connecting blocks (12).

6. A membrane rupturing tool according to claim 5, wherein the outer surface of the connecting half cylinder (2) extending obliquely is fixedly connected with a sealing ring (15).