Anti-outflow membrane rupture device for obstetrics and gynecology department

Abstract

The invention provides an anti-outflow membrane rupture device for the obstetrics and gynecology department, and relates to the technical field of membrane rupture devices. The anti-outflow type membrane rupture device for the obstetrics and gynecology department comprises a puncture device, a limiting device, a protection device and a sealing device, the puncture device is arranged on the inner side wall of the limiting device in a sliding mode, the protection device is arranged at the front end of the limiting device, the sealing device is arranged at the front end of the protection device, and the puncture device comprises a sliding rod; a puncture head is fixedly connected to the front end of the sliding rod, a flow guide groove is formed in the side wall of the puncture head, a membrane rupture hook is rotationally connected to the front side of the inner side wall of the flow guide groove, and a soluble clamping strip is fixedly connected to the upper position of the front end of the inner side wall of the flow guide groove. By arranging the puncture device, a patient is prevented from being injured, safety and reliability are further improved, by arranging the limiting device and the protection device, the equipment can be disinfected, the infection risk is effectively reduced, and by arranging the sealing device, the equipment is effectively prevented from being polluted by the outside before being used.

Description

Technical Field

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

[0002] The obstetrics and gynecology membrane rupture device is a medical device designed specifically for clinical obstetrics, aiming to solve problems such as weak uterine contractions and difficult uterine contractions during the active phase in the process of natural childbirth. When a parturient cannot rupture the membrane automatically due to various reasons, a doctor can use the obstetrics and gynecology membrane rupture device for artificial membrane rupture to observe the color of amniotic fluid, strengthen uterine contractions, and accelerate the progress of labor.

[0003] Although the prior art uses a membrane rupture device for artificial membrane rupture to observe the color of amniotic fluid, strengthen uterine contractions, and accelerate the progress of labor, there is a problem that the rupture hook needle is likely to scratch the patient after membrane rupture, resulting in patient injury and posing a great potential safety hazard. Therefore, those skilled in the art have provided an anti-outflow type membrane rupture device for obstetrics and gynecology to solve the problems raised in the above background art. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the present invention provides an anti-outflow type membrane rupture device for obstetrics and gynecology, which solves the problems that the device cannot be protected before use and is likely to cause patient injury during use.

[0006] (2) Technical Solutions

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: an anti-outflow type membrane rupture device for obstetrics and gynecology, including a puncture device, a limiting device, a protection device, and a sealing device. The puncture device is slidably arranged on the inner side wall of the limiting device. The protection device is arranged at the front end of the limiting device. The sealing device is arranged at the front end of the protection device. The puncture device includes a sliding rod, and a puncture head is fixedly connected to the front end of the sliding rod. A diversion groove is formed on the side wall of the puncture head. A rupture hook is rotatably connected to the inner side wall of the diversion groove near the front side. Installation rods are respectively fixedly connected to both sides of the rupture hook. Connecting rods are respectively fixedly connected to both sides of the inner side wall of the diversion groove near the front side. Water-absorbing and expanding rubbers are respectively fixedly connected to the middle parts of the bottoms of the two connecting rods. A soluble clamping strip is fixedly connected to the position near the upper part of the front end of the inner side wall of the diversion groove.

[0008] Preferably, the limiting device includes a housing. A second chute is provided at the position near the rear side of the top end of the side wall of the housing. A collar is slidably connected to the side wall of the housing. A fixing bolt is threadedly connected to the top end of the collar. Mounting holes are respectively provided on both sides of the front end of the collar. A rubber gasket is rotatably connected to the bottom end of the fixing bolt. A spring is provided on the inner side wall of the housing. A fixing rod is fixedly connected to the middle of the inner side wall of the housing. A limiting sleeve is fixedly connected to the front end of the housing. The inner side wall of the housing is slidably connected to the side wall of the sliding rod.

[0009] Preferably, the protection device includes a protection sleeve. A protection pad is fixedly connected to the front end of the protection sleeve. A number of collection holes are arranged in a circumferential array at the front end of the protection pad. A reflux groove is provided on the inner side wall of the protection pad. An atomizing nozzle is fixedly connected to the position near the upper side of the front end of the inner side wall of the protection sleeve. A disinfection box is fixedly connected to the position near the upper side of the side wall of the protection sleeve. A rubber ball is fixedly connected to the top end of the disinfection box. One-way valves are respectively fixedly connected to the top end and the position near the lower side of the inner side wall of the rubber ball. A first connecting pipe is fixedly connected to the front end of the disinfection box. A second connecting pipe is fixedly connected to the position near the lower side of the rear end of the protection sleeve. The other end of the second connecting pipe is fixedly connected to a collection box. A sewage discharge port is fixedly connected to the rear end of the collection box. The front side of the side wall of the housing is fixedly connected to the rear side of the inner side wall of the protection sleeve.

[0010] Preferably, the sealing device includes a cover plate. Limiting rods are respectively fixedly connected to both sides of the front end of the cover plate. A mounting sleeve is fixedly connected to the middle of the front end of the cover plate. A sealing sleeve is fixedly connected to the middle of the rear end of the cover plate. The inner side wall of the sealing sleeve is slidably connected to the side wall of the limiting sleeve.

[0011] Preferably, a first chute is provided on the side wall of the sliding rod. A mounting block is fixedly connected to the rear end of the sliding rod. A sliding plate is fixedly connected to the middle of the side wall of the sliding rod and on the front side of the side wall of the first chute. The water-absorbing and swelling rubber is made of acrylate acrylate copolymer.

[0012] Preferably, the fixing rod is fixedly connected to the inner side wall of the first chute. One end of the spring is fixedly connected to the front end of the sliding plate. The other end of the spring is fixedly connected to the front end of the inner side wall of the housing. The puncture head is slidably connected to the inner side wall of the limiting sleeve. Scale lines are provided on the side wall of the housing.

[0013] Preferably, the bottom end of the rubber ball communicates with the inside of the disinfection box. The other end of the first connecting pipe observes that the protection sleeve communicates with the atomizing nozzle. The plurality of collection holes respectively penetrate through the front end of the protection pad and communicate with the inside of the reflux groove. The sewage discharge port communicates with the inside of the collection box. One end of the second connecting pipe respectively penetrates through the front end of the protection sleeve.

[0014] Preferably, the cover plate and the front end of the protective pad are mutually adapted, the two limiting rods are respectively mutually adapted with the inner side walls of the two mounting holes, and the mounting sleeve is mutually adapted with the side wall of the mounting block.

[0015] (III) Beneficial effects

[0016] The present invention provides an anti-outflow amniotomy device for obstetrics and gynecology. It has the following beneficial effects:

[0017] 1. By setting the puncture device, pushing the sliding rod forward, after the puncture head contacts the membrane body, it will gradually insert into the membrane. At this time, pulling the cover plate backward, using the amniotomy hook in the diversion groove to puncture the membrane, the inside of the diversion groove will be filled with amniotic fluid and overflow. The soluble card strip will melt after being soaked by the amniotic fluid, and the water-absorbing and swelling rubber will absorb water and swell, and push the mounting rod downward, causing the amniotomy hook to rotate, realizing the recovery of the amniotomy hook into the diversion groove. Using the amniotomy hook in the puncture head can assist in the puncture work of the amniotic membrane and realize the recovery after use, preventing the patient from being injured, and further improving the safety and reliability.

[0018] 2. By setting the limiting device and the protective device, sliding the collar to the appropriate position according to the patient's condition and rotating the fixing bolt. Using the contact between the rubber gasket and the inner side wall of the second chute to fix the position of the collar. During the working process, the limiting rod on the cover plate is inserted into the mounting holes on both sides of the collar to fix the puncture device. And when the puncture head extends out of the limiting sleeve, pressing the rubber ball to spray the alcohol in the disinfection box on the surface of the puncture head to disinfect the puncture head. Before the amniotic fluid is punctured, the protective pad is closely attached to the outside of the amniotic membrane, and the collection holes on the protective pad can make the diffused amniotic fluid flow back into the return chute and be drained through the protective sleeve by the second connecting pipe, collecting the amniotic fluid into the collection box to realize the collection of the amniotic fluid. Using the collar on the housing can perform stable amniotomy work for different patients, improving the applicability of the device for different patients. And using the disinfection box on the protective sleeve to spray alcohol through the rubber ball can disinfect the device, effectively reducing the risk of infection.

[0019] 3. By setting the sealing device, first remove the sealing device as a whole from the device, and use the mounting sleeve at the front end of the cover plate to be threadedly connected with the mounting block. At this time, assist the staff to complete the amniotomy operation. And it is set that after use, the sealing sleeve can be inserted into the protective sleeve to realize the protection of the whole device. Using the adaptation of the sealing device and the limiting sleeve can effectively prevent the device from being contaminated by the outside before use and prevent the patient from being infected, effectively improving the safety. Description of the drawings

[0020] Figure 1 It is a schematic structural diagram of the present invention;

[0021] Figure 2 Schematic side view structure of the present invention;

[0022] Figure 3 Schematic perspective sectional structure of the limiting device of the present invention;

[0023] Figure 4 Schematic structure of the protection device and the sealing device of the present invention;

[0024] Figure 5 Schematic structure of the present invention in the working state;

[0025] Figure 6 Schematic side view structure of the protection device and the sealing device of the present invention

[0026] Figure 7 is Figure 3 Enlarged schematic view at position A in

[0027] Among them, 1. Puncture device; 101. Installation block; 102. Slide bar; 103. First chute; 104. Slide plate; 105. Puncture head; 106. Soluble card strip; 107. Flow guide groove; 108. Film-breaking hook; 109. Water-absorbing and expanding rubber; 1010. Installation rod; 1011. Connecting rod; 2. Limiting device; 201. Fixed bolt; 202. Collar; 203. Housing; 204. Installation hole; 205. Second chute; 206. Rubber gasket; 207. Fixed rod; 208. Spring; 209. Limiting sleeve; 3. Protection device; 301. Rubber ball; 302. Protection sleeve; 303. Collection box; 304. Disinfection box; 305. First connecting pipe; 306. Second connecting pipe; 307. Drain port; 308. Atomizing nozzle; 309. Protection pad; 3010. Return flow groove; 3011. Collection hole; 3012. Check valve; 4. Sealing device; 401. Cover plate; 402. Installation sleeve; 403. Limiting rod; 404. Sealing sleeve. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Embodiment 1:

[0030] As shown in Figure 1 , Figure 5 and Figure 7As shown in the figure, an anti-outflow amniotomy device for obstetrics and gynecology provided by an embodiment of the present invention includes a puncture device 1, a limiting device 2, a protection device 3, and a sealing device 4. The puncture device 1 is slidably arranged on the inner side wall of the limiting device 2. The protection device 3 is arranged at the front end of the limiting device 2. The sealing device 4 is arranged at the front end of the protection device 3. The puncture device 1 includes a sliding rod 102. A puncture head 105 is fixedly connected to the front end of the sliding rod 102. A diversion groove 107 is formed in the side wall of the puncture head 105. A membrane-breaking hook 108 is rotatably connected to the inner side wall of the diversion groove 107 near the front side. Installation rods 1010 are respectively fixedly connected to both sides of the membrane-breaking hook 108. Connecting rods 1011 are respectively fixedly connected to both sides of the inner side wall of the diversion groove 107 near the front side. Water-absorbing and swelling rubbers 109 are respectively fixedly connected to the middle parts of the bottom ends of the two connecting rods 1011. A soluble clamping strip 106 is fixedly connected to the position above the front end of the inner side wall of the diversion groove 107. By setting the puncture device 1, when the sliding rod 102 is pushed forward to move, after the puncture head 105 contacts the membrane body, it will gradually insert into the membrane. At this time, the cover plate 401 is pulled backward, and the membrane is punctured by the membrane-breaking hook 108 in the diversion groove 107. The inside of the diversion groove 107 will be filled with amniotic fluid and overflow. After the soluble clamping strip 106 is soaked by the amniotic fluid, it melts. The water-absorbing and swelling rubber 109 will absorb water and swell, and push the installation rod 1010 downward, causing the membrane-breaking hook 108 to rotate, so as to realize the recovery of the membrane-breaking hook 108 into the diversion groove 107. The membrane-breaking hook 108 in the puncture head 105 can assist in the puncturing work of the amniotic membrane and be recovered after use to prevent the patient from being injured, further improving safety and reliability.

[0031] The sealing device 4 includes a cover plate 401. Limiting rods 403 are respectively fixedly connected to both sides of the front end of the cover plate 401. An installation sleeve 402 is fixedly connected to the middle part of the front end of the cover plate 401. A sealing sleeve 404 is fixedly connected to the middle part of the rear end of the cover plate 401. The inner side wall of the sealing sleeve 404 is slidably connected to the side wall of the limiting sleeve 209.

[0032] The sealing device 4 includes a cover plate 401. Limiting rods 403 are respectively fixedly connected to both sides of the front end of the cover plate 401. An installation sleeve 402 is fixedly connected to the middle part of the front end of the cover plate 401. A sealing sleeve 404 is fixedly connected to the middle part of the rear end of the cover plate 401. The inner side wall of the sealing sleeve 404 is slidably connected to the side wall of the limiting sleeve 209. By setting the sealing device 4, first, the whole sealing device 4 is removed from the device. The installation sleeve 402 at the front end of the cover plate 401 is threadedly connected with the installation block 101. At this time, it assists the staff to complete the amniotomy operation. And it is set that after use, the sealing sleeve 404 can be inserted into the protection sleeve 302 to realize the protection of the whole device. The adaptation of the sealing device 4 and the limiting sleeve 209 can effectively prevent the device from being contaminated by the outside before use and prevent the patient from being infected, effectively improving safety.

[0033] The front end of the cover plate 401 is adapted to the front end of the protective pad 309, the two limiting rods 403 are respectively adapted to the inner side walls of the two mounting holes 204, and the mounting sleeve 402 is adapted to the side wall of the mounting block 101.

[0034] Working principle: First, remove the sealing device 4 as a whole from the device. Thread the mounting sleeve 402 at the front end of the cover plate 401 onto the mounting block 101. At this time, push the sliding rod 102 forward. After the puncturing head 105 contacts the membrane body, it will gradually insert into the membrane. Then, pull the cover plate 401 backward. Use the membrane-breaking hook 108 in the diversion groove 107 to puncture the membrane. The inside of the diversion groove 107 will be filled with amniotic fluid and overflow. The soluble strip 106 will melt after being soaked by the amniotic fluid. The water-absorbing and swelling rubber 109 will absorb water and swell, and push the mounting rod 1010 downward, causing the membrane-breaking hook 108 to rotate, so as to retract the membrane-breaking hook 108 into the diversion groove 107. And it is set that after use, the sealing sleeve 404 can be inserted into the protective sleeve 302 to protect the whole device.

[0035] Embodiment 2:

[0036] As Figure 2 - Figure 4 and Figure 6 As shown in the figure, the embodiment of the present invention provides a non-outward-flowing amniotomy device for obstetrics and gynecology, including a limiting device 2. The limiting device 2 includes a housing 203. A second sliding groove 205 is opened at the position near the rear side of the top end of the side wall of the housing 203. A collar 202 is slidably connected to the side wall of the housing 203. A fixing bolt 201 is threadedly connected to the top end of the collar 202. Mounting holes 204 are respectively opened on both sides of the front end of the collar 202. A rubber gasket 206 is rotatably connected to the bottom end of the fixing bolt 201. A spring 208 is arranged on the inner side wall of the housing 203. A fixing rod 207 is fixedly connected to the middle of the inner side wall of the housing 203. A limiting sleeve 209 is fixedly connected to the front end of the housing 203. The inner side wall of the housing 203 is slidably connected to the side wall of the sliding rod 102.

[0037] The protective device 3 includes a protective sleeve 302. A protective pad 309 is fixedly connected to the front end of the protective sleeve 302. A number of collection holes 3011 are arranged in a circumferential array at the front end of the protective pad 309. A return groove 3010 is formed in the inner side wall of the protective pad 309. An atomizing nozzle 308 is fixedly connected to the upper position of the inner side wall of the front end of the protective sleeve 302. A disinfection box 304 is fixedly connected to the upper position of the side wall of the protective sleeve 302. A rubber ball 301 is fixedly connected to the top of the disinfection box 304. One-way valves 3012 are fixedly connected to the top and the lower position of the inner side wall of the rubber ball 301 respectively. A first connecting pipe 305 is fixedly connected to the front end of the disinfection box 304. A second connecting pipe 306 is fixedly connected to the lower position of the rear end of the protective sleeve 302. The other end of the second connecting pipe 306 is fixedly connected to a collection box 303. A sewage outlet 307 is fixedly connected to the rear end of the collection box 303. The side wall of the housing 203 is fixedly connected to the inner side wall of the rear side of the protective sleeve 302. By setting the limiting device 2 and the protective device 3, the sliding collar 202 is slid to a suitable position according to the patient's condition, and the fixing bolt 201 is rotated. By using the contact between the rubber gasket 206 and the inner side wall of the second chute 205, the position of the collar 202 is fixed. During the working process, the limiting rod 403 on the cover plate 401 is inserted into the mounting holes 204 on both sides of the collar 202 to fix the puncture device 1. And when the puncture head 105 extends out of the limiting sleeve 209, the rubber ball 301 is pressed to spray the alcohol in the disinfection box 304 on the surface of the puncture head 105 to achieve the disinfection of the puncture head 105. Before the amniotic fluid is punctured, the protective pad 309 is made to closely adhere to the outer side of the amniotic membrane. And the collection holes 3011 on the protective pad 309 can make the diffused amniotic fluid flow back to the return groove 3010 and be drained through the protective sleeve 302 by the second connecting pipe 306, and the amniotic fluid is collected into the collection box 303 to achieve the collection of the amniotic fluid. By using the collar 202 on the housing 203, stable amniotomy work can be carried out for different patients, improving the applicability of the device for different patients. And by using the disinfection box 304 on the protective sleeve 302, the alcohol is ejected through the rubber ball 301, and the device can be disinfected, effectively reducing the risk of infection.

[0038] The fixed rod 207 is fixedly connected to the inner side wall of the first chute 103. One end of the spring 208 is fixedly connected to the front end of the sliding plate 104, and the other end of the spring 208 is fixedly connected to the front end of the inner side wall of the housing 203. The puncture head 105 is slidably connected to the inner side wall of the limiting sleeve 209. A scale line is provided on the side wall of the housing 203.

[0039] The bottom end of the rubber ball 301 is communicated with the inside of the disinfection box 304. The other end of the first connecting pipe 305 is communicated with the atomizing nozzle 308 through the protective sleeve 302. A number of collection holes 3011 respectively penetrate through the front end of the protective pad 309 and are communicated with the inside of the return groove 3010. The sewage outlet 307 is communicated with the inside of the collection box 303. One end of the second connecting pipe 306 respectively penetrates through the front end of the protective sleeve 302

[0040] Working principle: Before work, slide the collar 202 to a suitable position according to the patient's condition, and rotate the fixing bolt 201. By using the contact between the rubber gasket 206 and the inner wall of the second chute 205, fix the position of the collar 202. During the work process, the limiting rod 403 on the cover plate 401 is inserted into the mounting holes 204 on both sides of the collar 202 to fix the puncture device 1. And when the puncture head 105 extends out of the limiting sleeve 209, press the rubber ball 301 to spray the alcohol in the disinfection box 304 on the surface of the puncture head 105 to achieve the disinfection of the puncture head 105. Before the amniotic fluid is punctured, make the protective pad 309 closely adhere to the outside of the amniotic membrane. And the collection holes 3011 on the protective pad 309 can make the diffused amniotic fluid flow back into the return groove 3010 and be drained through the protective sleeve 302 by the second connecting pipe 306, and the amniotic fluid is collected into the collection box 303 to achieve the collection of the amniotic fluid.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-outflow amniotomy device for obstetrics and gynecology, comprising a puncture device (1), a limiting device (2), a protection device (3) and a sealing device (4). The puncture device (1) is slidably arranged on the inner side wall of the limiting device (2), the protection device (3) is arranged at the front end of the limiting device (2), and the sealing device (4) is arranged at the front end of the protection device (3), characterized in that: The puncture device (1) includes a slide rod (102). A puncture head (105) is fixedly connected to the front end of the slide rod (102). A diversion groove (107) is formed in the side wall of the puncture head (105). A membrane-breaking hook (108) is rotatably connected to the inner side wall of the diversion groove (107) at a position closer to the front side. Mounting rods (1010) are fixedly connected to both sides of the membrane-breaking hook (108). Connecting rods (1011) are fixedly connected to both sides of the inner side wall of the diversion groove (107) at positions closer to the front side. Water-absorbing and expanding rubbers (109) are fixedly connected to the middle parts of the bottoms of the two connecting rods (1011). A soluble latch (106) is fixedly connected to a position closer to the upper side at the front end of the inner side wall of the diversion groove (107).

2. The amniotomy device for the department of gynaecology and obstetrics according to claim 1, wherein: The limiting device (2) includes a housing (203). A second chute (205) is formed in the side wall of the housing (203) at a position closer to the rear side at the top end. A collar (202) is slidably connected to the side wall of the housing (203). A fixing bolt (201) is threadedly connected to the top end of the collar (202). Mounting holes (204) are formed in both sides of the front end of the collar (202). A rubber gasket (206) is rotatably connected to the bottom end of the fixing bolt (201). A spring (208) is arranged on the inner side wall of the housing (203). A fixing rod (207) is fixedly connected to the middle part of the inner side wall of the housing (203). A limiting sleeve (209) is fixedly connected to the front end of the housing (203). The inner side wall of the housing (203) is slidably connected to the side wall of the slide rod (102).

3. The amniotic membrane puncturing device for obstetrics and gynecology according to claim 2, characterized in that: The protection device (3) includes a protection sleeve (302). A protection pad (309) is fixedly connected to the front end of the protection sleeve (302). A plurality of collection holes (3011) are arranged in a circumferential array at the front end of the protection pad (309). A return groove (3010) is formed in the inner side wall of the protection pad (309). An atomizing nozzle (308) is fixedly connected to a position closer to the upper side at the front end of the inner side wall of the protection sleeve (302). A disinfection box (304) is fixedly connected to the side wall of the protection sleeve (302) at a position closer to the upper side. A rubber ball (301) is fixedly connected to the top end of the disinfection box (304). One-way valves (3012) are fixedly connected to the top end and a position closer to the lower side of the inner side wall of the rubber ball (301). A first connecting pipe (305) is fixedly connected to the front end of the disinfection box (304). A second connecting pipe (306) is fixedly connected to a position closer to the lower side at the rear end of the protection sleeve (302). The other end of the second connecting pipe (306) is fixedly connected to a collection box (303). A sewage outlet (307) is fixedly connected to the rear end of the collection box (303). The side wall of the housing (203) at a position closer to the front side is fixedly connected to the inner side wall of the protection sleeve (302) at a position closer to the rear side.

4. An amniotic membrane rupture device for obstetrics and gynecology according to claim 1, characterized in that: The sealing device (4) includes a cover plate (401). On both sides of the front end of the cover plate (401), limiting rods (403) are fixedly connected respectively. In the middle of the front end of the cover plate (401), an installation sleeve (402) is fixedly connected. In the middle of the rear end of the cover plate (401), a sealing sleeve (404) is fixedly connected. The inner side wall of the sealing sleeve (404) is slidably connected with the side wall of the limiting sleeve (209).

5. The amniotic membrane puncturing device for obstetrics and gynecology according to claim 1, characterized in that: On the side wall of the sliding rod (102), a first chute (103) is provided. At the rear end of the sliding rod (102), an installation block (101) is fixedly connected. In the middle of the side wall of the sliding rod (102) and on the front side of the side wall of the first chute (103), a sliding plate (104) is fixedly connected. The water-absorbing and swelling rubber (109) is made of an acrylic acrylate copolymer.

6. The amniotic membrane puncturing device for obstetrics and gynecology according to claim 2, characterized in that: The fixed rod (207) is fixedly connected with the inner side wall of the first chute (103). One end of the spring (208) is fixedly connected with the front end of the sliding plate (104), and the other end of the spring (208) is fixedly connected with the front end inner side wall of the housing (203). The puncture head (105) is slidably connected with the inner side wall of the limiting sleeve (209). Scale lines are provided on the side wall of the housing (203).

7. The amniotic membrane puncture device for obstetrics and gynecology according to claim 3, characterized in that: The bottom end of the rubber ball (301) is in internal communication with the inside of the disinfection box (304). The other end of the first connecting pipe (305) is in communication with the atomizing nozzle (308) through the protective sleeve (302). A plurality of the collection holes (3011) respectively penetrate through the front end of the protective pad (309) and are in internal communication with the inside of the reflux groove (3010). The sewage outlet (307) is in internal communication with the inside of the collection box (303). One end of the second connecting pipe (306) respectively penetrates through the front end of the protective sleeve (302).

8. The amniotic membrane rupture device for obstetrics and gynecology according to claim 4, characterized in that: The cover plate (401) is mutually adapted to the front end of the protective pad (309). The two limiting rods (403) are respectively mutually adapted to the inner side walls of the two installation holes (204). The installation sleeve (402) is mutually adapted to the side wall of the installation block (101).

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