CN220025158U - Auxiliary device for transvaginal fornix puncture - Google Patents

Abstract

The utility model relates to a transvaginal vault puncture auxiliary device, which comprises a cylinder body, a cervical front lip clamp assembly and a cervical rear lip lifting assembly; wherein the front end of the cylinder body can extend into the vagina; the cervical front lip clamp assembly comprises a cervical front lip clamp arranged at the front end of the cylinder body and a cervical clamp handle arranged at the rear end of the cylinder body and in transmission connection with the cervical front lip clamp; the cervical back lip lifting assembly comprises a cervical back lip lifting ring which is arranged at the front end of the cylinder body in a lifting manner, and an adjusting knob which is arranged at the rear end of the cylinder body and is in transmission connection with the cervical back lip lifting ring. Compared with the prior art, the arrangement of the cervical back lip lifting assembly is beneficial to fully exposing the fornix behind the vagina and ensures the accuracy and stability of puncture; the arrangement of the cervical anterior lip clamp structure is beneficial to adjusting the uterine position, especially the posterior uterine, and reduces the possibility of false negative results caused by false penetration into the uterus.

Description

Auxiliary device for transvaginal fornix puncture

Technical Field

The utility model belongs to the technical field of medical appliances, and relates to a transvaginal fornix puncture auxiliary device.

Background

The vaginal vault (fornix of vagina) refers to an annular notch between the cervix and the vagina, and is divided into four parts, namely front part, back part, left part and right part, wherein the back vault is deepest, the rectal uterine notch is the lowest part of the abdominal cavity, and accumulated blood, effusion and pus in the abdominal cavity are easy to accumulate in the position, and the top end of the vaginal vault is attached to the rectal uterine notch, so that the pelvic effusion is extracted through vaginal vault puncture (culdocentesis), and the observation, assay and pathological examination of the extract are auxiliary diagnosis methods commonly used in clinical obstetrics and gynecology. In addition, the transvaginal fornix puncture can also be applied to pelvic abscess puncture drainage and local injection of medicines.

At present, the postvaginal fornix puncture has wide clinical application, but the postvaginal fornix puncture operation is complex, is easy to wear by mistake, influences diagnosis and subsequent treatment decision of diseases, and can cause side injury. The traditional vaginal fornix puncture outfit also has the problems that the vaginal fornix can not be stably and fully exposed, the uterine position can not be adjusted, the auxiliary searchlighting function is not provided, and the like. Thus, in view of the above shortcomings, it would be desirable to design a post-vaginal fornix lancing aid that can improve the success rate and efficiency of post-vaginal fornix lancing.

Disclosure of Invention

The utility model aims to provide a post-vaginal fornix puncture auxiliary device which can improve the success rate and the operation efficiency of post-vaginal fornix puncture and has a simple structure and convenient operation, so as to solve the problems of low success rate and low operation efficiency of the prior post-vaginal fornix puncture.

The aim of the utility model can be achieved by the following technical scheme:

a transvaginal vault puncture assistance device, comprising:

the front end of the cylinder body can extend into the vagina;

the cervical front lip clamp assembly comprises a cervical front lip clamp arranged at the front end of the cylinder body and a cervical clamp handle arranged at the rear end of the cylinder body and in transmission connection with the cervical front lip clamp; the method comprises the steps of,

the cervical back lip lifting assembly comprises a cervical back lip lifting ring which is arranged at the front end of the cylinder body in a lifting manner, and an adjusting knob which is arranged at the rear end of the cylinder body and is in transmission connection with the cervical back lip lifting ring.

Further, the cervical back lip lifting ring comprises a U-shaped lifting ring and a supporting rod connected to the bottom of the U-shaped lifting ring.

Further, an adjusting transmission assembly is arranged between the cervical back lip lifting ring and the adjusting knob;

the adjusting transmission assembly comprises a first end face gear and a second end face gear which are connected in a synchronous rotating way, a first rotating gear and a second rotating gear which are connected in a synchronous rotating way, a lifting sleeve connected with a cervical rear lip lifting ring and a lifting rack arranged in the lifting sleeve;

the adjusting knob is provided with an adjusting gear, the adjusting gear is meshed with the first end face gear, the second end face gear is meshed with the first rotating gear, and the lifting rack is meshed with the second rotating gear;

the first rotating gear and the second rotating gear are fixedly arranged in the cylinder body, so that when the adjusting knob rotates, the lifting sleeve is lifted along with the lifting rack through the meshing transmission function of the adjusting gear and the first end face gear, the synchronous rotation function of the first end face gear and the second end face gear, the meshing transmission function of the second end face gear and the first rotating gear, the synchronous rotation function of the first rotating gear and the second rotating gear and the meshing transmission function of the lifting rack and the second rotating gear, and then the cervical rear lip lifting ring is driven to lift.

Further, the first end face gear and the second end face gear and the first rotating gear and the second rotating gear are synchronously connected in a rotating mode through the shaft structure.

The gear is connected through the shaft structure so as to adjust the arrangement position of the gear and the arrangement position of the adjusting knob in the cylinder body, so that the setting of the adjusting knob at the cylinder body and the cervical clamp handle is more reasonable, and the operation convenience of a surgeon is improved.

Further, a yielding hole is formed in the side wall of the lifting sleeve and parallel to the lifting rack, and a connecting shaft between the first rotating gear and the second rotating gear passes through the yielding hole.

Further, the lifting sleeve is connected with the cervical back lip lifting ring through a connecting rod.

Further, a plurality of clamping grooves are distributed on the outer side of the adjusting knob along the circumferential direction.

Further, the cylinder body on still be equipped with the knob buckle, the knob buckle include to the crooked elasticity curved arm that extends of adjust knob to and locate the dead lever on the elasticity curved arm, dead lever front end embedding in the draw-in groove.

Further, the device also comprises a rear dome auxiliary searchlight arranged at the front end of the cylinder body and a power supply electrically connected with the rear dome auxiliary searchlight.

Further, the power supply is a lithium battery.

Compared with the prior art, the utility model has the following characteristics:

1) According to the cervical back lip lifting assembly, the arrangement of the cervical back lip lifting assembly is beneficial to fully exposing the vaginal back fornix, the accuracy and stability of puncture are guaranteed, and the lifting ring is made of rubber materials with anti-slip particles, so that mechanical damage is not easy to cause when the cervical back lip lifting assembly is attached to the cervical back lip.

2) In the utility model, the arrangement of the cervical anterior lip clamp structure is beneficial to adjusting the uterine position, especially the posterior uterine, reducing the possibility of false negative results caused by false penetration into the uterus and ensuring the accuracy of puncture.

3) In the utility model, the arrangement of the rear fornix auxiliary searchlight is beneficial to increasing the visual function, defining the anatomical position in the vagina of the subject, ensuring the accuracy of puncture and avoiding damaging the tissue of the inner wall of the vagina.

4) In the utility model, the cervical clamp handle is arranged, which is favorable for hand-held operation.

5) According to the cervical clamp fixing device, the cervical clamp fixing device is beneficial to fixing the position of cervical clamps, ensures the stability of puncture, and is simple in structure and convenient to operate.

Drawings

FIG. 1 is a schematic structural view of a transvaginal vault puncture assist device of the present utility model;

fig. 2 is a schematic view of the structure of the anterior cervical lip jaw;

fig. 3 is a schematic view of the structure of the handle of the cervical clamp;

fig. 4 is a schematic view of the structure of the cervical posterior lip lifting ring;

FIGS. 5 and 8 are schematic structural views of an adjustment transmission assembly;

FIG. 6 is a schematic view of the structure of an adjusting knob;

FIG. 7 is a schematic view of a lifting sleeve;

the figure indicates:

1-barrel, 2-anterior cervical labial jaw assembly, 21-anterior cervical labial jaw, 22-cervical clamp handle buckle, 23-cervical clamp handle, 3-posterior fornix auxiliary searchlight, 4-power supply, 5-posterior cervical labial lifting assembly, 51-connecting rod, 52-lifting rack, 53-connecting shaft, 54-adjusting knob, 55-knob buckle, 56-posterior cervical labial lifting ring, 57-lifting sleeve, 6-first end gear, 7-second end gear, 8-first rotating gear, 9-second rotating gear, 10-adjusting gear, 11-lower anchor lobe, 12-upper anchor lobe.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The following examples are given with the above technical solutions of the present utility model as a premise, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.

Examples:

a transvaginal vault penetration assisting device as shown in fig. 1 includes a barrel 1, a cervical anterior lip jaw assembly 2, and a cervical posterior lip lifting assembly 5. Wherein the front end of the cylinder body 1 can extend into the vagina; the anterior cervical lip clamp assembly 2 comprises an anterior cervical lip clamp 21 arranged at the front end of the cylinder body 1 and a cervical clamp handle 23 arranged at the rear end of the cylinder body 1 and in transmission connection with the anterior cervical lip clamp 21; the cervical back lip lifting assembly 5 comprises a cervical back lip lifting ring 56 which is arranged at the front end of the cylinder body 1 in a lifting manner, and an adjusting knob 54 which is arranged at the rear end of the cylinder body 1 and is in transmission connection with the cervical back lip lifting ring 56.

The drive connection of anterior cervical lip jaw 21 to cervical clamp handle 23 may be achieved using a pick-up, such as a pick-up of the form 3020, or a laparoscopic instrument or the like.

In some embodiments, as shown in fig. 2, the front end of anterior cervical lip jaw 21 is provided with a tooth-like structure to improve gripping stability.

In some embodiments, as shown in fig. 3, the cervical clamp handles 23 are configured as hemostat handles and can be fixed by cervical clamp handle buckles 22 between the handles.

In some specific embodiments, as shown in FIG. 4, cervical posterior lip lifting ring 56 comprises a U-shaped lifting ring, and a support bar attached to the bottom of the U-shaped lifting ring.

As shown in fig. 5, an adjustment transmission assembly is arranged between the cervical rear lip lifting ring 56 and the adjustment knob 54; the adjusting transmission assembly comprises a first end face gear 6 and a second end face gear 7 which are connected in a synchronous rotation mode, a first rotating gear 8 and a second rotating gear 9 which are connected in a synchronous rotation mode, a lifting sleeve 57 which is connected with a cervical back lip lifting ring 56, and a lifting rack 52 which is arranged in the lifting sleeve 57; as shown in fig. 6, an adjusting gear 10 is arranged on the adjusting knob 54, the adjusting gear 10 is meshed with the first end face gear 6, the second end face gear 7 is meshed with the first rotating gear 8, and the lifting rack 52 is meshed with the second rotating gear 9; the first rotating gear 8 and the second rotating gear 9 are relatively and fixedly arranged in the cylinder body 1.

When in use, the adjusting knob 54 is rotated, and the lifting sleeve 57 is lifted along with the lifting rack 52 through the meshing transmission action of the adjusting gear 10 and the first end face gear 6, the synchronous rotation action of the first end face gear 6 and the second end face gear 7, the meshing transmission action of the second end face gear 7 and the first rotating gear 8, the synchronous rotation action of the first rotating gear 8 and the second rotating gear 9 and the meshing transmission action of the lifting rack 52 and the second rotating gear 9, so that the cervical rear lip lifting ring 56 is driven to lift.

In some embodiments, a lifting tube is provided within the barrel 1, and a lifting sleeve 57 is slidably provided within the lifting tube.

In some embodiments, the synchronous rotational connection between the first face gear 6 and the second face gear 7, and between the first rotary gear 8 and the second rotary gear 9 is achieved by a shaft structure, for example, a transmission connection between the first rotary gear 8 and the second rotary gear 9 via a connecting shaft 53. The gears are connected through the shaft structure so as to adjust the arrangement positions of the gears and the arrangement positions of the adjusting knob 54 in the cylinder body 1, so that the arrangement of the adjusting knob 54 and the cervical clamp handle 23 at the cylinder body 1 is more reasonable, and the operation convenience of a surgeon is improved.

In some specific embodiments, as shown in fig. 7, a relief hole is provided on the side wall of the lifting sleeve 57 parallel to the lifting rack 52, through which the connecting shaft 53 between the first rotation gear 8 and the second rotation gear 9 passes.

The first rotary gear 8 and the second rotary gear 9 are fixedly provided in the cylinder 1, and can be realized by fixing the connecting shaft 53 in the cylinder 1. The method of fixing the connecting shaft 53 can be realized by sleeving the connecting shaft 53 in the cylinder 1 through an inverted U-shaped piece.

In some embodiments, lifting sleeve 57 is connected to posterior cervical lip lifting ring 56 by connecting rod 51.

In some embodiments, a plurality of detents are circumferentially disposed on the outside of the adjustment knob 54, which may act as anti-slip grooves for the convenience of the surgeon.

In some specific embodiments, as shown in fig. 1 and 8, a knob buckle 55 is further provided on the barrel 1, where the knob buckle 55 includes an elastic bent arm that extends to bend the adjusting knob 54, and a fixing rod provided on the elastic bent arm, and the front end of the fixing rod is embedded in the clamping groove. At this time, the clamping groove is used as a clamping groove, and the elastic bent arm which is arranged in a bending and extending way enables the fixing rod to fully prop into the clamping groove so as to play a role in limiting the circumferential rotation of the adjusting knob 54, and meanwhile, in the rotation process of the adjusting knob 54, the front end of the fixing rod can slide out of the clamping groove outwards along the side wall of the clamping groove due to the elastic function of the elastic bent arm, so that the rotation of the adjusting knob 54 is prevented from being excessively limited.

In some embodiments, the flexible arm may be made of a flexible plastic such as POE.

In some specific embodiments, the device further comprises a rear dome auxiliary floodlight 3 provided at the front end of the barrel 1, and a power source 4 electrically connected to the rear dome auxiliary floodlight 3. Preferably, the power source 4 is a lithium battery.

Example 2:

as shown in fig. 1, the vaginal vault puncture assisting device comprises a cylinder body 1, a cervical front lip clamp assembly 2, a rear vault assisting searchlight 3 and a cervical rear lip lifting assembly 5.

The rear fornix auxiliary searchlight 3 is connected with a lithium battery which is independently arranged, namely a power supply 4.

In this embodiment, as shown in fig. 2 and 3, the anterior cervical lip jaw assembly 2 includes an anterior cervical lip jaw 21, an upper retainer blade 12, a lower retainer blade 11, a cervical clamp handle 23 and a cervical clamp handle buckle 22, and before puncturing, anterior cervical lip jaw and traction operations can be performed, so as to adjust the uterine position, avoid false puncturing into the uterus, and ensure the accuracy and efficiency of posterior fornix puncturing.

In this embodiment, the lower end of the cervical back lip lifting ring 56 in the cervical back lip lifting assembly 5 is connected with a vertically arranged lifting sleeve 57 through a connecting rod 51, and the adjusting knob 54 adjusts the lifting state of the lifting sleeve 57 through an adjusting transmission assembly and uses a knob buckle 55 for position fixing. Before puncture, the cylinder body 1 is inserted into the vagina, and the cervical back lip is supported and lifted upwards through the cervical back lip lifting ring 56, so that the fornix behind the vagina can be fully exposed, and the convenience and accuracy of puncture are ensured.

In this embodiment, in particular, the posterior cervical lip lifting ring 56 is a rubber sleeve with anti-slip particles on the outer surface.

In this embodiment, specifically, the rear dome auxiliary searchlight 3 adopts a white patch LED lamp.

The procedure is as in example 1.

Working principle: in the embodiment, before puncture, the cylinder body 1 is inserted into the vagina, and the searchlight 3 is assisted by opening the rear fornix through the lithium battery, so that the searchlight operation can be performed, the accuracy of puncture is ensured, and the damage to the tissue of the inner wall of the vagina is avoided. The cervical clamp handle 23 is then operated to clamp and pull forward the cervical front lip through the cervical front lip clamping structure 21, and the cervical clamp handle buckle 22 is used for fixing, so that the position of the uterus, particularly the rear uterus, is adjusted, the possibility of false negative results caused by false penetration into the uterus is reduced, and the accuracy of puncture is ensured. In order to fully expose the post-vaginal fornix, the lifting sleeve 57 can be adjusted to lift by the adjusting knob 54 and the knob buckle 55, so that the position and the height of the post-cervical lip lifting ring 56 can be adjusted, and the post-vaginal fornix can be fully exposed, so that the post-vaginal fornix puncture operation can be performed.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims (10)

1. A transvaginal vault puncture assistance device, comprising:

a cylinder (1) with the front end extending into the vagina;

the cervical anterior lip clamp assembly (2) comprises a cervical anterior lip clamp (21) arranged at the front end of the cylinder body (1) and a cervical clamp handle (23) arranged at the rear end of the cylinder body (1) and in transmission connection with the cervical anterior lip clamp (21); the method comprises the steps of,

the cervical back lip lifting assembly (5) comprises a cervical back lip lifting ring (56) which is arranged at the front end of the cylinder body (1) in a lifting manner, and an adjusting knob (54) which is arranged at the rear end of the cylinder body (1) and is in transmission connection with the cervical back lip lifting ring (56).

2. The transvaginal vault puncture assistance device of claim 1, wherein the posterior cervical lip lifting ring (56) comprises a U-shaped lifting ring and a support bar connected to a bottom of the U-shaped lifting ring.

3. The transvaginal vault puncture aid according to claim 1, wherein an adjustment transmission assembly is provided between the cervical posterior lip lifting ring (56) and the adjustment knob (54);

the adjusting transmission assembly comprises a first end face gear (6) and a second end face gear (7) which are connected in a synchronous rotating way, a first rotating gear (8) and a second rotating gear (9) which are connected in a synchronous rotating way, a lifting sleeve (57) which is connected with a cervical back lip lifting ring (56) and a lifting rack (52) which is arranged in the lifting sleeve (57);

the adjusting knob (54) is provided with an adjusting gear (10), the adjusting gear (10) is meshed with the first end face gear (6), the second end face gear (7) is meshed with the first rotating gear (8), and the lifting rack (52) is meshed with the second rotating gear (9);

the first rotating gear (8) and the second rotating gear (9) are fixedly arranged in the cylinder body (1), so that when the adjusting knob (54) rotates, the lifting sleeve (57) is lifted along with the lifting rack (52) through the meshing transmission function of the adjusting gear (10) and the first end face gear (6), the synchronous rotation function of the first end face gear (6) and the second end face gear (7), the meshing transmission function of the second end face gear (7) and the first rotating gear (8), the synchronous rotation function of the first rotating gear (8) and the second rotating gear (9) and the meshing transmission function of the lifting rack (52) and the second rotating gear (9), and then the lifting ring (56) of the cervical back lip is driven to lift.

4. A transvaginal vault puncture aid according to claim 3, wherein the first face gear (6) and the second face gear (7) and the first rotary gear (8) and the second rotary gear (9) are connected in a synchronized rotation manner by means of a shaft structure.

5. The auxiliary device for transvaginal vault puncture according to claim 4, wherein a relief hole is provided in parallel to the lifting rack (52) on the side wall of the lifting sleeve (57), and the connecting shaft between the first rotating gear (8) and the second rotating gear (9) passes through the relief hole.

6. A transvaginal vault puncture aid according to claim 3, wherein the lifting sleeve (57) is connected to the cervical posterior lip lifting ring (56) by a connecting rod (51).

7. A transvaginal vault puncture aid according to claim 3, wherein a plurality of detents are circumferentially disposed on the outside of the adjustment knob (54).

8. The auxiliary device for transvaginal vault puncture according to claim 7, wherein the barrel (1) is further provided with a knob buckle (55), the knob buckle (55) comprises an elastic bent arm which is bent and extended towards the adjusting knob (54), and a fixing rod arranged on the elastic bent arm, and the front end of the fixing rod is embedded into the clamping groove.

9. A transvaginal vault puncture aid according to claim 1, further comprising a rear vault auxiliary floodlight (3) provided at the front end of the barrel (1), and a power supply (4) electrically connected to the rear vault auxiliary floodlight (3).

10. A transvaginal vault puncture aid according to claim 9, wherein the power source (4) is a lithium battery.