CN220025158U - An auxiliary device for transvaginal posterior 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

An auxiliary device for transvaginal posterior fornix puncture

Technical field

The utility model belongs to the technical field of medical devices and relates to an auxiliary device for transvaginal posterior fornix puncture.

Background technique

The fornix of vagina refers to the annular depression between the cervix and the vagina. It is divided into four parts: anterior, posterior, left and right. The posterior fornix is the deepest. The rectometrial depression is the lowest part of the abdominal cavity. It is the accumulation in the abdominal cavity. Blood, fluid, and pus tend to accumulate here. The top of the posterior vaginal fornix is in contact with the recto-uterine recess. Therefore, transvaginal posterior fornix puncture (culdocentesis) is chosen to extract the pelvic fluid, and the aspirated material is observed, tested, and Pathological examination is a commonly used auxiliary diagnostic method in obstetrics and gynecology clinical practice. In addition, transvaginal posterior fornix puncture can also be used for puncture and drainage of pelvic abscesses and local injection of drugs.

At present, posterior vaginal fornix puncture is widely used in clinical practice. However, the operation of posterior vaginal fornix puncture is relatively complicated, and it is easy to accidentally puncture, which affects the diagnosis of the disease and subsequent treatment decisions, and may also cause side injuries. The traditional posterior vaginal fornix puncture device also has problems such as the inability to stably and fully expose the posterior vaginal fornix, the inability to adjust the position of the uterus, and the lack of auxiliary search function. Therefore, in view of the above shortcomings, it is necessary to design a posterior vaginal fornix puncture auxiliary device that can improve the success rate and operating efficiency of posterior vaginal fornix puncture.

Utility model content

The purpose of this utility model is to provide a posterior vaginal fornix puncture auxiliary device that can improve the success rate and operation efficiency of posterior vaginal fornix puncture, has a simple structure and is easy to operate, so as to solve the current problems of low success rate and low operating efficiency of posterior vaginal fornix puncture. question.

The purpose of this utility model can be achieved through the following technical solutions:

An auxiliary device for transvaginal posterior fornix puncture, including:

The front end of the barrel can be extended into the vagina;

The anterior cervical lip clamp assembly includes an anterior cervical lip clamp located at the front end of the barrel, and a cervical clamp handle located at the rear end of the barrel and drivingly connected to the anterior cervical lip clamp; and,

The cervical posterior lip lifting component includes a lifting and lowering cervical posterior lip supporting ring located at the front end of the cylinder, and an adjustment knob located at the rear end of the cylinder and drivingly connected to the cervical posterior lip supporting ring.

Further, the cervical posterior lip lifting ring includes a U-shaped lifting ring and a support rod connected to the bottom of the U-shaped lifting ring.

Further, an adjustment transmission assembly is provided between the cervical posterior lip lifting ring and the adjustment knob;

The adjustment transmission assembly includes a first end face gear and a second end face gear that are synchronously and rotationally connected, a first rotating gear and a second rotating gear that are synchronously and rotationally connected, a lifting sleeve connected to the cervical posterior lip lifting ring, and Lifting rack located in the lifting sleeve;

The adjustment knob is provided with an adjustment gear. The adjustment gear meshes with the first end face gear. The second end face gear meshes with the first rotation gear. The lifting rack meshes with the second rotation gear. mesh with each other;

The first rotating gear and the second rotating gear are fixedly arranged in the cylinder, so that when the adjusting knob rotates, the meshing transmission effect of the adjusting gear and the first end face gear and the synchronous rotation of the first end face gear and the second end face gear function, the meshing transmission effect of the second face gear and the first rotating gear, the synchronous rotation effect of the first rotating gear and the second rotating gear, the meshing transmission effect of the lifting rack and the second rotating gear, so that the lifting sleeve follows the lifting gear The strip is lifted and lowered, thereby driving the posterior cervical lip lifting ring to be lifted and lowered.

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

The above-mentioned gears are connected through a shaft structure, so that the arrangement position of the above-mentioned gears and the arrangement position of the adjustment knob can be adjusted in the barrel, so that the settings of the adjustment knob and the cervical forceps handle at the barrel body are more reasonable, and the surgeon's operation convenience is improved.

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

Further, the lifting sleeve and the cervical posterior lip lifting ring are connected through a connecting rod.

Furthermore, a plurality of slots are arranged circumferentially on the outside of the adjustment knob.

Furthermore, the barrel is also provided with a knob buckle. The knob buckle includes an elastic curved arm that bends and extends toward the adjustment knob, and a fixed rod provided on the elastic curved arm. The front end of the fixed rod Embed into the card slot.

Further, the device also includes a rear dome auxiliary searchlight provided at the front end of the barrel, and a power source electrically connected to the rear dome auxiliary searchlight.

Further, the power source is a lithium battery.

Compared with the existing technology, this utility model has the following characteristics:

1) In this utility model, the setting of the cervical posterior lip lifting component is conducive to fully exposing the posterior vaginal fornix and ensuring the accuracy and stability of puncture. The lifting ring is made of rubber material with anti-slip particles and fits the cervix. At the same time, it is not easy to cause mechanical damage.

2) In this utility model, the setting of the cervical anterior lip clamping structure is conducive to adjusting the position of the uterus, especially the posterior uterus, reducing the possibility of mistakenly penetrating the uterus resulting in false negative results, and ensuring the accuracy of puncture.

3) In this utility model, the setting of the posterior fornix auxiliary searchlight is conducive to increasing the visual function, clarifying the anatomical position inside the vagina of the subject, ensuring the accuracy of puncture, and avoiding damage to the inner wall tissue of the vagina.

4) In the present utility model, the handle of the cervical forceps is arranged to facilitate hand-held operation.

5) In the present utility model, the setting of the cervical forceps holder is conducive to fixing the position of the cervical forceps, ensuring the stability of puncture, and is simple in structure and easy to operate.

Description of the drawings

Figure 1 is a schematic structural diagram of an auxiliary device for transvaginal posterior fornix puncture in the utility model;

Figure 2 is a schematic structural diagram of the cervical anterior lip clamp;

Figure 3 is a schematic structural diagram of the cervical forceps handle;

Figure 4 is a schematic structural diagram of the posterior cervical lip lifting ring;

Figure 5 and Figure 8 are structural schematic diagrams of the adjustment transmission assembly;

Figure 6 is a schematic structural diagram of the adjustment knob;

Figure 7 is a schematic structural diagram of the lifting sleeve;

Description of markings in the picture:

1-cylinder body, 2-cervical anterior lip clamp assembly, 21-cervical anterior lip clamp, 22-cervical forceps handle buckle, 23-cervical forceps handle, 3-posterior fornix auxiliary searchlight, 4-power supply, 5-cervix Rear lip lifting component, 51-connecting rod, 52-lifting rack, 53-connecting shaft, 54-adjusting knob, 55-knob buckle, 56-cervical posterior lip lifting ring, 57-lifting sleeve, 6- First face gear, 7-second face gear, 8-first rotating gear, 9-second rotating gear, 10-adjusting gear, 11-fixer lower blade, 12-fixer upper blade.

Detailed ways

The utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are implemented based on the above-mentioned technical solutions of the present invention and provide detailed implementation modes and specific operating processes. However, the protection scope of the present invention is not limited to the following examples.

Example:

As shown in Figure 1, a transvaginal posterior fornix puncture auxiliary device includes a cylinder 1, an anterior cervical lip clamp assembly 2, and a posterior cervical lip lifting assembly 5. The front end of the cylinder 1 can be extended into the vagina; the cervical anterior lip clamp assembly 2 includes an anterior cervical lip clamp 21 located at the front end of the barrel 1, and a cervical anterior lip clamp 21 located at the rear end of the barrel 1 and driven by the cervical anterior lip clamp 21. The connected cervical forceps handle 23; the cervical posterior lip lifting component 5 includes a lifting and lowering cervical posterior lip lifting ring 56 located at the front end of the barrel 1, and a cervical posterior lip lifting ring 56 located at the rear end of the barrel 1 and drivingly connected to the cervical posterior lip lifting ring 56 Adjustment knob 54.

The transmission connection structure between the cervical anterior lip clamp 21 and the cervical forceps handle 23 can use a pick-up device, such as the Seto 3020 pick-up device, or a connection structure such as laparoscopic instruments that can realize the transmission connection between the proximal handle and the distal clamp. .

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

In some specific embodiments, as shown in FIG. 3 , the cervical forceps handle 23 adopts the same structure as the hemostatic forceps handle and can be fixed through the cervical forceps handle buckle 22 between the handles.

In some specific embodiments, as shown in Figure 4, the posterior cervical lip lifting ring 56 includes a U-shaped lifting ring and a support rod connected to the bottom of the U-shaped lifting ring.

As shown in Figure 5, there is an adjustment transmission assembly between the cervical posterior lip lifting ring 56 and the adjustment knob 54; the adjustment transmission assembly includes a first end face gear 6 and a second end face gear 7 that are synchronously and rotationally connected. The first rotating gear 8 and the second rotating gear 9, the lifting sleeve 57 connected to the cervical posterior lip lifting ring 56, and the lifting rack 52 provided in the lifting sleeve 57; as shown in Figure 6, the adjustment knob 54 is provided with an adjusting gear 10, the adjusting gear 10 meshes with the first end gear 6, the second end gear 7 meshes with the first rotating gear 8, the lifting rack 52 meshes with the second rotating gear 9; the first rotating The gear 8 and the second rotating gear 9 are relatively fixed and arranged in the cylinder 1 .

When in use, the adjusting knob 54 is rotated, and through the meshing transmission effect of the adjusting gear 10 and the first face gear 6, the synchronous rotation of the first face gear 6 and the second face gear 7, the second face gear 7 and the first rotating gear The meshing transmission effect of 8, the synchronous rotation effect of the first rotating gear 8 and the second rotating gear 9, and the meshing transmission effect of the lifting rack 52 and the second rotating gear 9 make the lifting sleeve 57 rise and fall with the lifting rack 52. Then the cervical posterior lip lifting ring 56 is driven to rise and fall.

In some specific embodiments, a lifting pipe is provided in the cylinder 1, and the lifting sleeve 57 is slidably disposed in the lifting pipe.

In some specific embodiments, the first face gear 6 and the second face gear 7 and the first rotating gear 8 and the second rotating gear 9 are connected through a shaft structure to achieve synchronous rotation. For example, in the first rotating gear 8 and the second rotating gear 9 are connected through a connecting shaft 53. The above-mentioned gears are connected through a shaft structure, so as to adjust the arrangement position of the above-mentioned gears and the arrangement position of the adjustment knob 54 in the barrel 1, so that the settings of the adjustment knob 54 at the barrel 1 and the cervical forceps handle 23 are more reasonable, and improve the surgical Ease of operation for doctors.

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 , and the connecting shaft between the first rotating gear 8 and the second rotating gear 9 53 passes through the relief hole.

The first rotating gear 8 and the second rotating gear 9 are fixedly arranged in the cylinder 1 , which can be realized by fixing the connecting shaft 53 in the cylinder 1 . The method of fixing the connecting shaft 53 can be achieved by lining the connecting shaft 53 inside the cylinder 1 through an inverted U-shaped piece.

In some specific embodiments, the lifting sleeve 57 and the cervical posterior lip lifting ring 56 are connected through a connecting rod 51 .

In some specific embodiments, a plurality of clamping grooves are circumferentially arranged on the outside of the adjustment knob 54, and the plurality of clamping grooves can serve as anti-slip grooves to facilitate the surgeon's operation.

In some specific embodiments, as shown in Figures 1 and 8, the barrel 1 is also provided with a knob buckle 55. The knob buckle 55 includes an elastic curved arm that bends and extends toward the adjustment knob 54, and is located on the elastic curve. The fixed rod on the arm, the front end of the fixed rod is embedded in the card slot. At this time, the latching groove serves as the latching groove, and the elastic curved arm bent and extended allows the fixed rod to fully abut the latching groove to limit the circumferential rotation of the adjusting knob 54. At the same time, during the rotation of the adjusting knob 54, Due to the elastic function of the elastic curved arm, the front end of the fixed rod can slide out of the slot along the side wall of the slot to avoid excessive restriction of the rotation of the adjustment knob 54 .

In some specific embodiments, the elastic curved arm can be made of elastic plastic such as POE.

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

Example 2:

As shown in Figure 1, the posterior vaginal fornix puncture auxiliary device includes a cylinder 1, an anterior cervical lip clamp assembly 2, a posterior fornix auxiliary searchlight 3 and a posterior cervical lip lifting assembly 5.

The rear dome auxiliary searchlight 3 is connected to an independently provided lithium battery, that is, the power supply 4.

In this embodiment, as shown in FIGS. 2 and 3 , the anterior cervical lip clamp assembly 2 includes an anterior cervical lip clamp 21 , an upper leaf of the fixator 12 , a lower leaf of the fixator 11 , a cervical forceps handle 23 and a cervical forceps handle card. Buckle 22. Before puncture, you can perform clamping and traction operations on the anterior cervical lip to adjust the position of the uterus to avoid mistaken puncture into the uterus and ensure the accuracy and efficiency of posterior fornix puncture.

In this embodiment, the lower end of the cervical posterior lip lifting ring 56 in the cervical posterior lip lifting assembly 5 is connected to the vertically arranged lifting sleeve 57 through the connecting rod 51, and the adjusting knob 54 adjusts the lifting state of the lifting sleeve 57 by adjusting the transmission assembly. , and use the knob buckle 55 to fix the position. Before puncture, insert the cylinder 1 into the vagina, and then support and lift the posterior lip of the cervix upward through the cervical posterior lip lifting ring 56, which can fully expose the posterior vaginal vault, thereby ensuring the convenience and accuracy of puncture.

In this embodiment, specifically, the cervical posterior lip lifting ring 56 adopts a rubber sleeve with anti-slip particles on its outer surface.

In this embodiment, specifically, the rear dome auxiliary searchlight 3 uses a white SMD LED light.

The rest is the same as in Embodiment 1.

Working principle: In this embodiment, before puncture, the cylinder 1 is inserted into the vagina, and the posterior fornix auxiliary searchlight 3 is turned on through the lithium battery to perform the search operation to ensure the accuracy of puncture and avoid damage to the vaginal inner wall tissue. Then the cervical forceps handle 23 is operated to clamp and pull the cervical front lip forward through the cervical front lip clamping structure 21, and is fixed by the cervical forceps handle buckle 22, thereby adjusting the position of the uterus, especially the posterior uterus, to reduce errors. The possibility of false negative results caused by penetrating the uterus ensures the accuracy of puncture. In order to fully expose the posterior vaginal fornix, the lifting sleeve 57 can be adjusted by adjusting the knob 54 and the knob buckle 55, and then the position and height of the cervical posterior lip lifting ring 56 can be adjusted to fully expose the posterior vaginal fornix. Subsequent transvaginal posterior fornix puncture procedure.

The above description of the embodiments is to facilitate those of ordinary skill in the technical field to understand and use the utility model. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without inventive efforts. Therefore, the present utility model is not limited to the above-mentioned embodiments. Based on the disclosure of the present utility model, improvements and modifications made by those skilled in the art without departing from the scope of the present utility model should be within the protection scope of the present utility model.

Claims (10)

1. An auxiliary device for transvaginal posterior fornix puncture, which is characterized in that it includes: The front end of the barrel (1) can be extended into the vagina; The cervical anterior lip clamp assembly (2) includes an anterior cervical lip clamp (21) located at the front end of the barrel (1), and a cervical anterior lip clamp (21) located at the rear end of the barrel (1) and driven by the cervical anterior lip clamp (21). Attached cervical forceps handle (23); and, The cervical posterior lip lifting component (5) includes a lifting and lowering cervical posterior lip supporting ring (56) located at the front end of the cylinder (1), and a cervical posterior lip supporting ring (56) located at the rear end of the cylinder (1) and connected with the cervical posterior lip supporting ring (56). 56) Adjustment knob (54) of the transmission connection. 2. A transvaginal posterior fornix puncture auxiliary device according to claim 1, characterized in that the cervical posterior lip lifting ring (56) includes a U-shaped lifting ring and is connected to the U-shaped lifting ring. Bottom support rod. 3. A transvaginal posterior fornix puncture auxiliary device according to claim 1, characterized in that an adjustment transmission assembly is provided between the cervical posterior lip lifting ring (56) and the adjustment knob (54); The adjustment transmission assembly includes a first end face gear (6) and a second end face gear (7) that are synchronously and rotationally connected, a first rotation gear (8) and a second rotation gear (9) that are synchronously and rotationally connected, and a cervix posterior gear. The lifting sleeve (57) connected to the lip support lifting ring (56), and the lifting rack (52) located in the lifting sleeve (57); The adjustment knob (54) is provided with an adjustment gear (10), the adjustment gear (10) meshes with the first face gear (6), and the second face gear (7) meshes with the first rotating gear (7). The gear (8) meshes, and the lifting rack (52) meshes with the second rotating gear (9); The first rotating gear (8) and the second rotating gear (9) are fixedly installed in the cylinder (1), so that when the adjusting knob (54) rotates, the adjusting gear (10) and the first end face gear ( 6), the synchronous rotation function of the first face gear (6) and the second face gear (7), the meshing transmission function of the second face gear (7) and the first rotation gear (8), the first rotation The synchronous rotation of the gear (8) and the second rotating gear (9), and the meshing transmission effect of the lifting rack (52) and the second rotating gear (9) make the lifting sleeve (57) follow the lifting rack (52) It is raised and lowered, thereby driving the cervical posterior lip lifting ring (56) to be raised and lowered. 4. A transvaginal posterior fornix puncture auxiliary device according to claim 3, characterized in that, between the first end face gear (6) and the second end face gear (7), the first rotating gear (8) ) and the second rotating gear (9) are synchronously connected through a shaft structure. 5. A transvaginal posterior fornix puncture auxiliary device according to claim 4, characterized in that the side wall of the lifting sleeve (57) is provided with a relief hole parallel to the lifting rack (52). The connecting shaft between the first rotating gear (8) and the second rotating gear (9) passes through the relief hole. 6. A transvaginal posterior fornix puncture auxiliary device according to claim 3, characterized in that a connecting rod (51) is used between the lifting sleeve (57) and the cervical posterior lip lifting ring (56). connected. 7. An auxiliary device for transvaginal posterior fornix puncture according to claim 3, characterized in that a plurality of slots are arranged circumferentially outside the adjustment knob (54). 8. A transvaginal posterior fornix puncture auxiliary device according to claim 7, characterized in that the barrel (1) is also provided with a knob buckle (55), and the knob buckle (55) ) includes an elastic curved arm bent and extended toward the adjustment knob (54), and a fixed rod provided on the elastic curved arm, the front end of the fixed rod is embedded in the slot. 9. A transvaginal posterior fornix puncture auxiliary device according to claim 1, characterized in that the device also includes a posterior fornix auxiliary searchlight (3) provided at the front end of the barrel (1), and a posterior fornix auxiliary searchlight connected to the posterior fornix. (3) Electrically connected power source (4). 10. A transvaginal posterior fornix puncture auxiliary device according to claim 9, characterized in that the power source (4) is a lithium battery.