CN215018700U

CN215018700U - Membrane rupture device for obstetrical department

Info

Publication number: CN215018700U
Application number: CN202120155215.6U
Authority: CN
Inventors: 常瑞晶; 辛虹
Original assignee: Second Hospital of Hebei Medical University
Current assignee: Second Hospital of Hebei Medical University
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-07
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a obstetrical department uses rupture of membranes ware, including base member, scale mark, flexible piece, piston rod and sealed hole, the fixed surface of base member installs the supporting shoe, and the terminal fixedly connected with knob of base member to the knob passes through torsion spring and is connected with the base member, the output fixedly connected with sleeve of knob, and telescopic inboard is connected with the screw rod to the fixed surface upper end fixedly connected with slider of screw rod, logical groove has been seted up to the surface of base member, and leads to the inslot side and be connected with the slider to lead to the inslot side with the scale mark, the fixed surface of screw rod connects the separation ring. This obstetrical department uses rupture of membranes ware is provided with sucking disc and scale mark, can fix the utensil through the sucking disc, drives the screw rod at the knob and moves the in-process forward, and the top pjncture needle will carry out the rupture of membranes, and the slider also carries out the displacement on the scale mark, marks the puncture degree of depth, and the medical personnel of being convenient for carry out accurate judgement, avoid puncturing too deeply to damage the foetus.

Description

Membrane rupture device for obstetrical department

Technical Field

The utility model relates to an obstetrical technical field specifically is a membrane rupture device for obstetrical department.

Background

With the advocation of vaginal delivery, in the labor process, safe rupture of membranes is needed to promote the labor process on one hand and understand the characters of amniotic fluid on the other hand, while in the production of obstetrics and gynecology in hospitals, because of different physiques of pregnant women, in the delivery process, the intervention of partial labor process needs to accelerate the labor process by rupturing membranes or understand the characters of amniotic fluid, at the moment, medical personnel need to perform manual rupture of membranes by membrane rupturing devices to accelerate the labor process of the pregnant women, and in partial primary hospitals and even partial third hospitals, the medical personnel still adopt a needle clamping method to rupture membranes, so that the membrane rupturing method has defects; on the one hand, the vaginal wall and the cervix of the pregnant woman may be damaged, and on the other hand, the face and even the brain of the fetus head may be damaged, which is very unsafe and difficult to master the depth. Even the aperture of the rupture membrane is not easy to control, the cervix is too small to achieve the clinical purpose, the too large aperture causes a large amount of amniotic fluid to flow out, the fetal membrane retracts, part of the amniotic fluid extrudes into the maternal circulation during uterine contraction, the amniotic fluid is embolized when the uterine contraction is serious, and the rupture membrane is partially broken by using a longer needle, so the puncture depth cannot be controlled.

In order to solve the problems, an instrument capable of breaking membranes with the aid of a speculum needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane rupture device for obstetrical department to solve the unsafe problem of utensil slippage, puncture degree of depth judgement that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a membrane rupture device for obstetrical department comprises a base body, scale marks, a telescopic block, a piston rod and a sealing hole, wherein a supporting block is fixedly arranged on the outer surface of the base body, a knob is fixedly connected to the tail end of the base body and is connected with the base body through a torsion spring, a sleeve is fixedly connected to the output end of the knob, a screw rod is connected to the inner side of the sleeve, a slider is fixedly connected to the upper end of the outer surface of the screw rod, a through groove is formed in the outer surface of the base body, the inner side of the through groove is connected with the slider, the scale marks are attached to the side of the through groove, a blocking ring is fixedly connected to the outer surface of the screw rod, a fixed block is fixedly arranged on the inner side of the base body, a sliding groove is formed in the inner end of the fixed block, the inner end of the sliding groove is connected with the telescopic block, the top end of the telescopic block is attached to the blocking ring, a return spring is arranged inside the telescopic block, and an inner cavity is fixedly arranged at the front end of the fixed block, and the inner of inner chamber is provided with the piston rod to the bottom of flexible piece is connected with the piston rod end, the linker link up in the base member inner wall, and linker bottom end fixedly connected with pipe, the top fixed mounting of base member has the installation piece, and the surface of installation piece has seted up sealed hole.

Preferably, the knob is rotatably connected with the base body, and the knob and the base body form an elastic structure through a torsion spring.

Preferably, the sleeve is in threaded connection with the screw rod, the screw rod is fixedly connected with the sliding block, and the sliding block and the base body form a sliding structure through the through groove.

Preferably, the screw rod and the separation ring are fixedly connected, and the outer end of the separation ring is attached to the top end of the telescopic block.

Preferably, the telescopic block and the fixed block form a sliding structure through a sliding groove, and the telescopic block and the fixed block form an elastic structure through a return spring.

Preferably, the piston rod is in sliding connection with the inner cavity, and the inner cavity and the communicating vessel form a communicating structure.

Compared with the prior art, the beneficial effects of the utility model are that: the obstetric membrane rupture device;

1. the device is provided with the sucker and the scale marks, the device can be fixed through the sucker, the puncture needle at the top end can rupture the membrane in the process that the knob drives the screw to move forwards, the sliding block also moves on the scale marks to mark the puncture depth, so that medical staff can conveniently and accurately judge the puncture depth, and the phenomenon that the puncture depth affects the infant is avoided;

2. be provided with sealed hole and piston rod, after the puncture was accomplished, the screw rod is to the shrink back and is reset, drives flexible piece and slides backward on the fixed block to make the piston rod produce suction to the inner chamber, the sealed hole on inner chamber top is opened the atress, draws the amniotic fluid from sealed hole, thereby makes the amniotic fluid obtain the clearance, the subsequent operation process of being convenient for.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the knob of the present invention;

fig. 3 is a schematic view of a top view structure of the through groove of the present invention;

FIG. 4 is a schematic cross-sectional view of the screw of the present invention;

FIG. 5 is a schematic side view of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a substrate; 2. a support block; 3. a knob; 4. a torsion spring; 5. a sleeve; 6. a screw; 7. a slider; 8. a through groove; 9. scale lines; 10. a barrier ring; 11. a fixed block; 12. a chute; 13. a telescopic block; 14. a return spring; 15. an inner cavity; 16. a piston rod; 17. a communicating vessel; 18. a conduit; 19. mounting blocks; 20. sealing the hole; 21. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a membrane rupture device for obstetrical department comprises a base body 1, a supporting block 2, a knob 3, a torsion spring 4, a sleeve 5, a screw rod 6, a sliding block 7, a through groove 8, a scale mark 9, a blocking ring 10, a fixed block 11, a sliding groove 12, a telescopic block 13, a reset spring 14, an inner cavity 15, a piston rod 16, a communicating device 17, a conduit 18, a mounting block 19, a sealing hole 20 and a sucker 21, wherein the supporting block 2 is fixedly mounted on the outer surface of the base body 1, the knob 3 is fixedly connected to the tail end of the base body 1, the knob 3 is connected with the base body 1 through the torsion spring 4, the sleeve 5 is fixedly connected to the output end of the knob 3, the screw rod 6 is connected to the inner side of the sleeve 5, the sliding block 7 is fixedly connected to the upper end of the outer surface of the screw rod 6, the through groove 8 is formed on the outer surface of the base body 1, the inner side of the through groove 8 is connected with the sliding block 7, the scale mark 9 is attached to the side of the through groove 8, the blocking ring 10 is fixedly connected to the outer surface of the screw rod 6, the inner side of the base body 1 is fixedly provided with a fixed block 11, the inner end of the fixed block 11 is provided with a sliding chute 12, the inner end of the sliding chute 12 is connected with a telescopic block 13, the top end of the telescopic block 13 is attached to the separation ring 10, a return spring 14 is arranged inside the telescopic block 13, the front end of the fixed block 11 is fixedly provided with an inner cavity 15, the inner end of the inner cavity 15 is provided with a piston rod 16, the bottom end of the telescopic block 13 is connected with the tail end of the piston rod 16, a communicating vessel 17 is connected to the inner wall of the base body 1 in a penetrating manner, the bottom end of the communicating vessel 17 is fixedly connected with a guide pipe 18, the top end of the base body 1 is fixedly provided with an installation block 19, and the outer surface of the installation block 19 is provided with a sealing hole 20;

the knob 3 is rotatably connected with the base body 1, the knob 3 and the base body 1 form an elastic structure through the torsion spring 4, the sleeve 5 and the screw 6 are in threaded connection, the screw 6 and the slider 7 are fixedly connected, the slider 7 and the base body 1 form a sliding structure through the through groove 8, the screw 6 and the separation ring 10 are fixedly connected, the outer end of the separation ring 10 is attached to the top end of the telescopic block 13, the slider 7 is driven by the screw 6 to slide on the inner side of the through groove 8, and the scale mark 9 at the side end of the through groove 8 is used for marking, so that the needle body is prevented from being punctured deeply;

the telescopic block 13 forms a sliding structure with the fixed block 11 through the sliding groove 12, the telescopic block 13 forms an elastic structure with the fixed block 11 through the reset spring 14, the piston rod 16 and the inner cavity 15 are in sliding connection, the inner cavity 15 and the communicating vessel 17 form a communicating structure, and amniotic fluid generated after membrane rupture is sucked through the piston rod 16, so that the subsequent operation process is facilitated.

The working principle is as follows: when the obstetrical membrane rupture device is used, according to the figures 1-3, the device is firstly placed at a position needing to work, the supporting block 2 is attached to the skin of a lying-in woman to fix the base body 1, then the knob 3 at the tail end of the base body 1 drives the sleeve 5 to rotate at the output end of the knob 3, the screw 6 in threaded connection with the inner side of the sleeve 5 moves towards the top end of the base body 1, the slide block 7 synchronously moves inside the through groove 8, the slide block 7 plays a marking role through the scale mark 9 while moving, so that medical personnel can accurately observe the extending distance of the puncture needle, meanwhile, the circular sucker is installed at the needle outlet position at the top end of the base body 1, negative pressure suction is carried out after the circular sucker is fixed on the fetal membrane, then the needle head is extended out to rupture the membrane, the puncture needle is prevented from being too deep to cause injury to the fetus, the obstetrical membrane rupture device is used together with a vaginal speculum and is easy to fix and operate, determining a film breaking effect;

according to the figures 4-6, when the screw rod 6 moves towards the top end to drive the puncture needle at the top end to rupture the membrane, the rotary knob 3 retracts the whole needle body, the torsion spring 4 plays a role of assisting the sleeve 5 to rotate reversely, at the moment, the screw rod 6 also resets backwards, so that the barrier ring 10 is clamped with the top end of the telescopic block 13 to drive the barrier ring to deflect in the chute 12 at the inner end of the fixed block 11, the telescopic block 13 moves to drive the piston rod 16 to move synchronously in the inner cavity 15, because the inner cavity 15 is of a sealed structure, the sealed hole 20 made of elastic rubber materials is opened, the amniotic fluid of the puerpera is absorbed and discharged in an auxiliary way, the subsequent operation flow is prevented from being influenced, the communicating vessel 17 is opened, the discharged amniotic fluid is sucked and cleaned by the injector or the container connected with the tail end of the conduit 18, and the membrane rupture vessel is slightly longer than the length of the vagina, easy production, convenient operation has increased holistic practicality.

Those not described in detail in this specification are within the skill of the art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rupture of membranes ware for obstetrical department, includes base member (1), scale mark (9), flexible piece (13), piston rod (16) and sealed hole (20), its characterized in that: the outer surface of the base body (1) is fixedly provided with a supporting block (2), the tail end of the base body (1) is fixedly connected with a knob (3), the knob (3) is connected with the base body (1) through a torsion spring (4), the output end of the knob (3) is fixedly connected with a sleeve (5), the inner side of the sleeve (5) is connected with a screw rod (6), the upper end of the outer surface of the screw rod (6) is fixedly connected with a sliding block (7), the outer surface of the base body (1) is provided with a through groove (8), the inner side of the through groove (8) is connected with the sliding block (7), a scale mark (9) is attached beside the through groove (8), the outer surface of the screw rod (6) is fixedly connected with a blocking ring (10), the inner side of the base body (1) is fixedly provided with a fixed block (11), the inner end of the fixed block (11) is provided with a sliding groove (12), and the inner end of the sliding groove (12) is connected with a telescopic block (13), and the top of flexible piece (13) is laminated with spacing ring (10) mutually to the inside of flexible piece (13) is provided with reset spring (14), the front end fixed mounting of fixed block (11) has inner chamber (15), and the inner of inner chamber (15) is provided with piston rod (16), and the bottom of flexible piece (13) is connected with piston rod (16) end, base member (1) inner wall through connection has linker (17), and linker (17) bottom fixedly connected with pipe (18), the top fixed mounting of base member (1) has installation piece (19), and the surface of installation piece (19) has seted up sealed hole (20), the top fixed mounting of base member (1) has sucking disc (21).

2. The obstetric membrane rupture device of claim 1, wherein: the knob (3) is rotatably connected with the base body (1), and the knob (3) and the base body (1) form an elastic structure through the torsion spring (4).

3. The obstetric membrane rupture device of claim 1, wherein: the sleeve (5) is in threaded connection with the screw rod (6), the screw rod (6) is fixedly connected with the sliding block (7), and the sliding block (7) and the base body (1) form a sliding structure through the through groove (8).

4. The obstetric membrane rupture device of claim 1, wherein: the screw rod (6) is fixedly connected with the separation ring (10), and the outer end of the separation ring (10) is attached to the top end of the telescopic block (13).

5. The obstetric membrane rupture device of claim 1, wherein: the telescopic block (13) and the fixed block (11) form a sliding structure through the sliding groove (12), and the telescopic block (13) and the fixed block (11) form an elastic structure through the return spring (14).

6. The obstetric membrane rupture device of claim 1, wherein: the piston rod (16) is connected with the inner cavity (15) in a sliding mode, and the inner cavity (15) and the communicating vessel (17) form a communicating structure.