Anti-outflow membrane rupture device for obstetrics and gynecology department

Abstract

The invention belongs to the technical field of membrane rupture devices and discloses an anti-outflow membrane rupture device for the obstetrics and gynecology department. The anti-outflow membrane rupture device comprises a membrane rupture main rod body, a connecting protective cover is fixedly installed at the front end of the membrane rupture main rod body, a sealing rubber ring is fixedly connected to the edge of the connecting protective cover, and a center guide rod is inserted into the middle of the membrane rupture main rod body; the center guide rod is connected with the interior of the membrane rupturing main rod body through a built-in spring, the end, located in the membrane rupturing main rod body, of the center guide rod is fixedly connected with a puncture membrane rupturing needle, the puncture membrane rupturing needle is located in the middle of a clamping pipe, the clamping pipe is fixed to the membrane rupturing main rod body, and the clamping pipe is installed on the connecting protective cover. The end, away from the connecting protective cover, of the clamping pipe is fixed to the liquid storage container. According to the anti-outflow type membrane rupture device for the obstetrics and gynecology department, the movement distance of a puncture needle can be conveniently controlled during use, and the problem that the puncture distance is too large or too small due to the fact that scale marks are manually watched is solved.

Description

Technical Field

[0001] The invention relates to the technical field of membrane rupture devices, in particular to an anti-outflow membrane rupture device for obstetrics and gynecology. Background Art

[0002] The gynecological membrane rupture device is a medical device designed specifically for clinical obstetrics. It aims to solve problems such as weak uterine contractions and difficult uterine contractions during the active phase that may be encountered during natural delivery. When the mother's membranes cannot rupture automatically due to various reasons, the doctor can use the gynecological membrane rupture device to perform artificial rupture of the membranes to observe the color of the amniotic fluid, strengthen uterine contractions, and accelerate the progress of labor.

[0003] For example, the announcement number is CN220558076U, which is a membrane rupture device with an anti-outflow structure, including a main body tube and a reset mechanism. A liquid collecting mechanism for preventing outflow is arranged at the lower front end of the main body tube, and the reset mechanism for quick return is arranged at the inner middle part of the main body tube. The inner front end of the main body tube is provided with an installation mechanism for disassembly and replacement, and the inner middle part of the liquid collecting mechanism is provided with a one-way mechanism for preventing backflow. Another example is the announcement number is CN211658299U, which is an amniotic fluid rupture device for obstetrics and gynecology, including a tube body assembly, a disinfection assembly and a collection device. The tube body assembly includes an outer tube body, a movable plate, a puncture needle and a catheter, the catheter is fixed on the other side of the movable plate, the puncture needle is connected to the catheter, the catheter passes through the outer tube body and extends to the outside, the disinfection assembly includes a shell, an adsorbent and a hollow tube, the hollow tube is connected to one side of the shell, the collecting device includes a collecting bag, a liquid inlet tube, a guide tube and a connecting piece, the connecting piece is connected and fixed to the end of the guide tube, and the connecting piece is screwed on the end of the catheter.

[0004] The above-mentioned prior art has the following technical problems: when the existing membrane rupture device punctures the amniotic fluid membrane of the parturient, the puncture needle at the end of the membrane ruptures by pushing the push rod. Although scale lines are set on the push rod to control the moving distance of the puncture needle, during the actual surgical operation, the medical staff's line of sight cannot be aligned with the scale lines, which can easily lead to observation errors and cause the puncture distance to be unable to be stably controlled.

[0005] Therefore, we propose a gynecological and obstetric anti-outflow membrane rupture device to solve the above-mentioned problems. Summary of the invention

[0006] The purpose of the present invention is to provide an anti-outflow membrane rupture device for obstetrics and gynecology, so as to solve the problem raised by the above-mentioned background technology that when the existing membrane rupture devices on the market puncture the amniotic fluid membrane of the parturient, the puncture needle at the end of the puncture needle is punctured by pushing the push rod. Although scale lines are set on the push rod to control the moving distance of the puncture needle, during the actual surgical operation, the medical staff's line of sight cannot be aligned with the scale lines, which can easily lead to observation errors and the problem that the puncture distance cannot be stably controlled.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-outflow membrane rupture device for obstetrics and gynecology, comprising a membrane rupture main rod body, a connecting protective cover is fixedly installed at the front end of the membrane rupture main rod body, and a sealing rubber ring is fixedly connected to the edge of the connecting protective cover, a central guide rod is inserted into the middle of the membrane rupture main rod body, and the central guide rod is connected to the inside of the membrane rupture main rod body through a built-in spring, a puncture membrane rupture needle is fixedly connected to one end of the central guide rod located inside the membrane rupture main rod body, and the puncture membrane rupture needle is located in the middle of a clamping tube, the clamping tube is fixed on the membrane rupture main rod body, a clamping tube is installed on the connecting protective cover, and the end of the clamping tube away from the connecting protective cover is fixed on a liquid storage container, a drainage tube is fixedly connected to the side of the liquid storage container, and the drainage tube is connected to an external negative pressure device, a locking resistance component is installed on the membrane rupture main rod body, and the locking resistance component is used to control the moving distance of the central guide rod, and a dustproof sealing component for dustproof protection is installed on the connecting protective cover.

[0008] Preferably, the connection protection cover is configured as a funnel-shaped structure, and the opening edge of the connection protection cover is bonded and fixed to the sealing rubber ring.

[0009] By adopting the above technical solution, the sealing rubber ring at the edge of the connecting protective cover can ensure the sealing between the connecting protective cover and the outer membrane when in use.

[0010] Preferably, the central guide rod forms an elastic telescopic structure through a built-in spring and the middle part of the membrane-breaking main rod body, and a thread is provided on the surface of one end of the central guide rod extending out of the membrane-breaking main rod body, and a puncture membrane-breaking needle is detachably installed at the end of the central guide rod.

[0011] By adopting the above technical solution, the setting of the built-in spring can provide the central guide rod with a restoring resilience force, so that the membrane puncturing needle can be retracted into the interior of the membrane puncturing main rod body.

[0012] Preferably, a movable guide groove is provided on the surface of the membrane-breaking main rod body, and the clamping tube in the middle of the membrane-breaking main rod body is a hollow structure, and a thread is provided on the surface of the clamping tube.

[0013] By adopting the above technical solution and through the hollow structure in the middle of the clamping tube, the puncture membrane-breaking needle inside the membrane-breaking main rod can be easily extended outward.

[0014] Preferably, the locking resistance component includes an adjusting abutment disk, a clamping screw and a clamping block, and the adjusting abutment disk is installed on the outside of the membrane-breaking main rod body, the adjusting abutment disk is installed with a clamping screw, and a clamping block is fixedly installed at one end of the clamping screw close to the membrane-breaking main rod body, and the clamping block is located in a movable guide groove on the membrane-breaking main rod body.

[0015] By adopting the above technical solution, the position of the adjusting abutment disk after movement can be fixed by mutual compression between the compression block and the movable guide groove on the membrane breaking main rod body.

[0016] Preferably, the pressing screw and the adjusting abutment disk are threadedly connected, and the inner wall of the adjusting abutment disk and the outer wall of the membrane-breaking main rod body are in contact with each other, and the adjusting abutment disk and the membrane-breaking main rod body are slidably connected.

[0017] By adopting the above technical solution, the inner wall of the adjusting abutment plate fits the outer wall of the membrane-breaking main rod body, thereby ensuring the stability of the adjusting abutment plate when it moves on the membrane-breaking main rod body and preventing the adjusting abutment plate from shaking when moving.

[0018] Preferably, the diameter of the pressing block is smaller than the width of the movable guide groove, the cross section of the pressing block is set to be circular, and the lower surface of the pressing block is set to be a rough surface.

[0019] By adopting the above technical solution, the diameter of the clamping block is smaller than the width of the movable guide groove, so that the clamping block can be easily moved in the movable guide groove, and the contact friction between the clamping block and the movable guide groove can be improved by utilizing the rough surface on the lower surface of the clamping block.

[0020] Preferably, the dustproof sealing component includes a sealing pressure plate, a docking cross tube and a power side rod, the middle of the sealing pressure plate is fixedly installed with the docking cross tube, and the side of the sealing pressure plate is fixedly installed with the power side rod.

[0021] By adopting the above technical solution, the opening of the connection protective cover can be sealed by setting a sealing pressure plate, thereby preventing external dust from entering the interior of the connection protective cover when it is not needed.

[0022] Preferably, the middle part of the docking transverse tube on the sealing pressure plate is closed, and the inner walls at both ends of the docking transverse tube are provided with threads, one end of the docking transverse tube can be connected to the clamping tube, and the other end of the docking transverse tube can be threadedly connected to one end of the central guide rod extending out of the membrane rupturing main rod body.

[0023] By adopting the above technical solution, the sealing pressure plate can be easily installed on the side of the connecting protective cover through the threaded connection of the docking cross pipe and the clamping pipe.

[0024] Preferably, the power side rod is symmetrically arranged with respect to the transverse center axis of the sealing pressure plate, and the power side rod and the sealing pressure plate are an integrally formed structure.

[0025] By adopting the above technical solution, through the symmetrically distributed power side rods on the sealing pressure plate, it is possible to facilitate the control of the moving distance by making contact with the adjusting abutment plate after the central guide rod moves.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: the anti-outflow membrane rupture device for obstetrics and gynecology can conveniently control the moving distance of the puncture needle during use, thereby avoiding the problem of too large or too small puncture distance caused by artificially viewing the scale line; 1. A sealing pressure plate is provided. Through the mutual connection between the butt joint transverse tube and the clamping tube on the sealing pressure plate, the sealing pressure plate can be conveniently assembled on the side of the connection protective cover. The connection protective cover and the membrane breaking main rod body are blocked by the sealing pressure plate to achieve overall dustproof protection and prevent external dust from entering the connection protective cover and the membrane breaking main rod body; 2. A power side rod is provided, and the docking cross tube in the middle of the sealing pressure plate is installed on the central guide rod. After the central guide rod is pushed, it can drive the sealing pressure plate to move synchronously. Through the contact between the power side rod on the side of the sealing pressure plate and the adjustment abutment plate, the moving distance of the central guide rod and the puncture membrane needle can be controlled; 3. A clamping screw is provided, and the clamping block and the movable guide groove can be pressed and contacted with each other by rotating the clamping screw. The contact and compression between the clamping block and the movable guide groove are utilized to fix the position of the adjustment abutment plate after movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the structure of the connection protection cover and the sealing rubber ring of the present invention; Figure 3 This is a schematic diagram of the membrane puncturing needle and the card pipe structure of the present invention; Figure 4 This is a schematic diagram of the membrane breaking main rod and the movable guide groove structure of the present invention; Figure 5 This is a schematic diagram of the structure of the connecting pipe and the connecting cross pipe of the present invention; Figure 6 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 7 This is a schematic diagram of the structure of the compression screw and the compression block of the present invention; Figure 8 It is a schematic diagram of the sealing pressure plate and power side rod structure of the present invention.

[0028] In the figure: 1. membrane rupture main rod; 2. connecting protective cover; 3. sealing rubber ring; 4. central guide rod; 5. built-in spring; 6. membrane puncture needle; 7. clamping tube; 8. suction tube; 9. liquid storage container; 10. drainage tube; 11. locking abutment component; 111. adjusting abutment plate; 112. clamping screw; 113. clamping block; 12. dustproof sealing component; 121. sealing pressure plate; 122. docking cross tube; 123. power side rod; 13. movable guide groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1: Please refer to Figure 1-Figure 8When the existing membrane rupture device punctures the amniotic membrane of the parturient, the puncture needle at the end of the membrane rupture device is punctured by pushing the push rod. Although a scale line is set on the push rod to control the moving distance of the puncture needle, during the actual operation, the medical staff's line of sight cannot be aligned with the scale line, which can easily lead to observation errors and cause the puncture distance to be unable to be stably controlled. In order to solve this technical problem, the following technical contents are disclosed in this embodiment. The following technical contents are disclosed in this embodiment: an anti-outflow membrane rupture device for obstetrics and gynecology, comprising a membrane rupture main rod body 1, a connecting protective cover 2 is fixedly installed at the front end of the membrane rupture main rod body 1, and a sealing rubber ring 3 is fixedly connected to the edge of the connecting protective cover 2, a central guide rod 4 is inserted into the middle of the membrane rupture main rod body 1, and the central guide rod 4 is inserted into the middle of the central guide rod 4. The central guide rod 4 is connected to the inside of the membrane-breaking main rod body 1 through an internal spring 5. One end of the central guide rod 4 located inside the membrane-breaking main rod body 1 is fixedly connected to a puncture membrane-breaking needle 6, and the puncture membrane-breaking needle 6 is located in the middle of a clamping tube 7, which is fixed to the membrane-breaking main rod body 1. A clamping tube 7 is installed on the connecting protective cover 2, and the end of the clamping tube 7 away from the connecting protective cover 2 is fixed to a liquid storage container 9. A drainage tube 10 is fixedly connected to the side of the liquid storage container 9, and the drainage tube 10 is connected to the external negative pressure equipment. A locking and abutting component 11 is installed on the membrane-breaking main rod body 1, and the locking and abutting component 11 is used to control the moving distance of the central guide rod 4. A dustproof sealing component 12 for dustproof protection is installed on the connecting protective cover 2, and the connecting protective cover 2 is set to a funnel-shaped structure. The opening edge of the connecting protective cover 2 is bonded and fixed with the sealing rubber ring 3, the central guide rod 4 forms an elastic telescopic structure through the built-in spring 5 and the middle part of the membrane-breaking main rod body 1, and the surface of one end of the central guide rod 4 extending out of the membrane-breaking main rod body 1 is provided with a thread, and the end of the central guide rod 4 is detachably installed with a puncture membrane-breaking needle 6, the surface of the membrane-breaking main rod body 1 is provided with a movable guide groove 13, and the clamping tube 7 in the middle of the membrane-breaking main rod body 1 is a hollow structure, and the surface of the clamping tube 7 is provided with a thread, the locking resistance component 11 includes an adjusting abutment disk 111, a clamping screw 112 and a clamping block 113, and the adjusting abutment disk 111 is installed on the outside of the membrane-breaking main rod body 1, and the clamping screw 112 is installed on the adjusting abutment disk 111, and the clamping screw 112 is close to the membrane-breaking main rod body A clamping block 113 is fixedly installed at one end of the rod body 1, and the clamping block 113 is located in the movable guide groove 13 on the membrane-breaking main rod body 1. The clamping screw 112 and the adjusting abutment plate 111 are threadedly connected, and the inner wall of the adjusting abutment plate 111 and the outer wall of the membrane-breaking main rod body 1 fit each other, and the adjusting abutment plate 111 and the membrane-breaking main rod body 1 are slidingly connected. The diameter of the clamping block 113 is smaller than the width of the movable guide groove 13, and the cross section of the clamping block 113 is set to be circular, and the lower surface of the clamping block 113 is set to be a rough surface. The dustproof sealing component 12 includes a sealing pressure plate 121, a docking cross tube 122 and a power side rod 123. The middle part of the sealing pressure plate 121 is fixedly installed with a docking cross tube 122, and the side of the sealing pressure plate 121 is fixedly installed with a power side rod 123.One end of the docking cross tube 122 can be threadedly connected to one end of the central guide rod 4 extending out of the membrane breaking main rod body 1, and the power side rod 123 is symmetrically arranged about the transverse central axis of the sealing pressure plate 121, and the power side rod 123 and the sealing pressure plate 121 are an integrally formed structure.

[0031] When it is necessary to perform membrane rupture on the patient, one end of the docking cross tube 122 in the middle of the sealing pressure plate 121 is screwed onto the central guide rod 4 on the membrane rupture main rod body 1, and then the adjustment abutment plate 111 is pushed on the membrane rupture main rod body 1. When the adjustment abutment plate 111 is adjusted to a suitable position according to the scale line, the clamping screw 112 is rotated. After the clamping screw 112 is rotated, the clamping block 113 at its lower end and the movable guide groove 13 can be pressed and contacted with each other. The rough surface of the lower surface of the clamping block 113 can be used to increase the contact friction between the clamping block 113 and the movable guide groove 13, thereby improving the stability of the adjustment abutment plate 111 when the position is fixed. Thereafter, the connecting protective cover 2 is pressed against Touch the outer membrane, and then push the sealing pressure plate 121 with your hand. Since the sealing pressure plate 121 is threadedly connected to the center guide rod 4, the movement of the sealing pressure plate 121 can make the center guide rod 4 move synchronously. The movement of the center guide rod 4 can push the puncture and membrane rupture needle 6 to extend out of the connecting protective cover 2, thereby realizing puncture and rupture of the membrane. After puncture and rupture of the membrane, turn on the external negative pressure equipment. By turning on the negative pressure equipment, the amniotic fluid can be sucked into the liquid storage container 9 for storage using the suction tube 8. At the same time, the detachable installation method of the puncture and membrane rupture needle 6 and the end of the center guide rod 4 can be fixed by means of threads or snaps, which is convenient for the subsequent disassembly and replacement of the puncture and membrane rupture needle 6.

[0032] Embodiment 2: The technical contents disclosed in this embodiment are further improvements made on the basis of the above-mentioned embodiment 1. This embodiment discloses the following technical contents: the middle part of the docking transverse tube 122 on the sealing pressure plate 121 is closed, and the inner walls at both ends of the docking transverse tube 122 are provided with threads, and one end of the docking transverse tube 122 can be connected to the clamping tube 7.

[0033] When the film breaker is not needed, one end of the docking transverse tube 122 in the middle of the sealing pressure plate 121 is screwed onto the clamping tube 7. At this time, after the docking transverse tube 122 and the clamping tube 7 are connected, the sealing pressure plate 121 and the connecting protective cover 2 can be pressed tightly, thereby utilizing the sealing pressure plate 121 to shield and protect the connecting protective cover 2, preventing external dust from entering the connecting protective cover 2 and the interior of the film breaker main rod 1.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gynecological and obstetric anti-external flow membrane rupture device, comprising a membrane rupture main rod body (1), a connection protection cover (2) is fixedly installed at the front end of the membrane rupture main rod body (1), and a sealing rubber ring (3) is fixedly connected to the edge of the connection protection cover (2), a central guide rod (4) is inserted into the middle of the membrane rupture main rod body (1), and the central guide rod (4) is connected to the inside of the membrane rupture main rod body (1) through a built-in spring (5), and a puncture membrane rupture needle (6) is fixedly connected to one end of the central guide rod (4) located inside the membrane rupture main rod body (1), and the puncture membrane rupture needle (6) is located in the middle of a clamping tube (7), and the clamping tube (7) is fixed on the membrane rupture main rod body (1), characterized in that: The connecting protective cover (2) is provided with a clamping tube (7), and one end of the clamping tube (7) away from the connecting protective cover (2) is fixed on the liquid storage container (9), a drainage tube (10) is fixedly connected to the side of the liquid storage container (9), and the drainage tube (10) is interconnected with an external negative pressure device, a locking and abutting component (11) is installed on the membrane rupturing main rod body (1), and the locking and abutting component (11) is used to control the moving distance of the central guide rod (4), and a dustproof sealing component (12) for dustproof protection is installed on the connecting protective cover (2).

2. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: The connection protection cover (2) is configured as a funnel-shaped structure, and the opening edge of the connection protection cover (2) and the sealing rubber ring (3) are bonded and fixed.

3. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: The central guide rod (4) forms an elastic telescopic member structure through the built-in spring (5) and the middle part of the membrane-breaking main rod body (1), and the surface of one end of the central guide rod (4) extending outside the membrane-breaking main rod body (1) is provided with a thread, and a membrane-puncturing needle (6) is detachably mounted on the end of the central guide rod (4).

4. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: A movable guide groove (13) is provided on the surface of the membrane-breaking main rod body (1), and the clamping tube (7) in the middle of the membrane-breaking main rod body (1) is a hollow structure, and a thread is provided on the surface of the clamping tube (7).

5. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: The locking abutment component (11) comprises an adjusting abutment disc (111), a pressing screw (112) and a pressing block (113), and the adjusting abutment disc (111) is mounted on the outside of the membrane-breaking main rod body (1), the pressing screw (112) is mounted on the adjusting abutment disc (111), and a pressing block (113) is fixedly mounted on one end of the pressing screw (112) close to the membrane-breaking main rod body (1), and the pressing block (113) is located in a movable guide groove (13) on the membrane-breaking main rod body (1).

6. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 5, characterized in that: The pressing screw (112) and the adjusting abutment disk (111) are threadedly connected, the inner wall of the adjusting abutment disk (111) and the outer wall of the membrane-breaking main rod body (1) fit each other, and the adjusting abutment disk (111) and the membrane-breaking main rod body (1) are slidably connected.

7. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 5, characterized in that: The diameter of the pressing block (113) is smaller than the width of the movable guide groove (13), the cross section of the pressing block (113) is set to be circular, and the lower surface of the pressing block (113) is set to be a rough surface.

8. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: The dustproof sealing component (12) comprises a sealing pressure plate (121), a docking transverse tube (122) and a power side rod (123); the docking transverse tube (122) is fixedly mounted in the middle of the sealing pressure plate (121), and the power side rod (123) is fixedly mounted on the side of the sealing pressure plate (121).

9. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 8, characterized in that: The middle portion of the docking transverse tube (122) on the sealing pressure plate (121) is closed, and the inner walls at both ends of the docking transverse tube (122) are provided with threads. One end of the docking transverse tube (122) can be connected to the clamping tube (7), and the other end of the docking transverse tube (122) can be threadedly connected to one end of the central guide rod (4) extending out of the membrane rupturing main rod body (1).

10. The anti-outflow membrane rupture device for obstetrics and gynecology according to claim 8, characterized in that: The power side rod (123) is symmetrically arranged about the transverse center axis of the sealing pressure plate (121), and the power side rod (123) and the sealing pressure plate (121) are an integrally formed structure.

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