CN213075764U

CN213075764U - Cervical cerclage wire dismantling equipment

Info

Publication number: CN213075764U
Application number: CN202021300756.5U
Authority: CN
Inventors: 何小玲; 骆柏宇; 张华�; 漆洪波
Original assignee: Chongqing Medical University
Current assignee: Chongqing Medical University
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-30
Anticipated expiration: 2030-07-06

Abstract

The utility model belongs to the field of medical equipment, especially, relate to a cervical cerclage line demolishs equipment. Including guide cylinder, thread scissors and install the lighting device in the guide cylinder, the window has been seted up on the guide cylinder, the thread scissors stretches into in the guide cylinder and is connected with guide cylinder detachably, just the cutting edge of thread scissors aims at the window to pick up and cut the palace neck ring ligature that is exposed by the window. The utility model has the advantages that: the guide cylinder guides the suture scissors to smoothly enter the vagina, and the window arranged on the guide cylinder exposes the cervical ring ligature, so that the suture scissors are prevented from contacting with peripheral tissues to damage the tissues, the suture removing difficulty is reduced, and the safety performance is improved.

Description

Cervical cerclage wire dismantling equipment

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to a cervical cerclage line demolishs equipment.

Background

Cervical insufficiency can relax the cervical orifice, leading to miscarriage in the middle of pregnancy or premature birth in the late pregnancy of pregnant women. The vagina cervical cerclage is an effective method for treating cervical insufficiency at present, a No. 10 thick silk thread or a nylon thread is used for carrying out annular suture from the level of an inner opening of a cervix to the outer side of the cervix, and is tied on the outer side of the cervix, and the cervical cerclage thread is usually removed in 36-37 weeks of pregnancy clinically.

The pregnant women who have a history of multiple abortion or premature delivery increase the pressure of the pelvic floor along with the increase of the number of gestational weeks, and the vaginal wall is loose and collapsed, so that the traditional vaginal speculum is difficult to expose the knot part. At present, no special equipment for removing the cervical ring ligature exists, the cervical ring ligature is usually removed by an assistant, the assistant is used for assisting the cervical vertebra to be exposed by a draw hook from the side, and then the cervical vertebra is cut off by a pair of scissors, but the exposing effect is often unsatisfactory for pregnant women with loose and collapsed vaginal walls, and the sharp tip of the scissors is sharp, so that the cervical vertebra and surrounding tissues are easily damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, an object of the present invention is to provide a cervical cerclage removing device, which is used for solving the problem of difficulty in removing cervical cerclage in the prior art.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a cervical cerclage removes equipment, cut and install the lighting device in the guide cylinder including guide cylinder, line, the window has been seted up on the guide cylinder, the line is cut and is connected with guide cylinder detachably in stretching into the guide cylinder, just the cutting edge of line is cut and is aimed at the window to pick up and cut the palace neck ring ligature that is exposed by the window.

The utility model has the advantages that: the guide cylinder guides the suture scissors to smoothly enter the vagina, and the window arranged on the guide cylinder exposes the cervical ring ligature, so that the suture scissors are prevented from contacting with peripheral tissues to damage the tissues, the suture removing difficulty is reduced, and the safety performance is improved.

Optionally, the guide cylinder comprises a cylinder body, a guide part is arranged at the front end of the cylinder body, and a handle is arranged at the rear end of the cylinder body.

Optionally, the barrel is of an elliptical configuration.

Optionally, the outer contour of the guide part gradually decreases from one end close to the barrel to one end far away from the barrel, and the end part of the guide part far away from one end of the barrel is of an arc-shaped structure.

Optionally, the window is provided on the barrel or the guide.

Optionally, the lighting device comprises a lamp bead and a storage battery, the lamp bead is connected with the storage battery, and a switch is installed on the storage battery.

Optionally, the wire shear includes shell, handle and two articulated cutting edges, the cutting edge is connected with the shell, the shell is stretched out to the front end of cutting edge, the rear end of cutting edge articulates there is the connecting rod, the connecting rod passes through the traction lever and is connected with the handle, be equipped with the spout on the shell, the handle is installed on the shell to slide along the spout and make the traction lever drive two cutting edges switching, be equipped with the reset spring that drives the handle and reset between handle and the shell.

Optionally, one of the cutting edges is provided with a groove.

Optionally, a limiting part for limiting the handle to be separated from the housing is arranged on the handle, and the limiting part is located outside the housing.

Optionally, a clamping frame is arranged in the guide cylinder, and the front end of the shell extends into the guide cylinder and is clamped with the clamping frame.

The beneficial effect of adopting the above optional scheme is: simple structure, the operation is nimble stable, and convenient operation is difficult for damaging the tissue, improves the security performance.

Drawings

FIG. 1 is a schematic structural view of the cervical ring ligature removing device of the present invention;

FIG. 2 is a schematic view of the internal structure of the guide cylinder of the cervical ring ligature removal device of the present invention;

FIG. 3 is a schematic view of the assembly of the guide cylinder and the housing of the cervical ring ligature removing device of the present invention;

fig. 4 is a schematic structural view of the closed state of the thread scissors of the cervical ring ligature removing device of the utility model.

Description of reference numerals

1, a guide cylinder;

11 a window;

12, a clamping frame;

13 a handle;

14 a guide part;

15, a cylinder body;

21 a housing;

22 a shear blade;

221 grooves;

23, a shear blade;

24 connecting rods;

25, a draw bar;

26, a handle;

261 a limiting part;

27 a return spring;

31 lamp beads;

32 storage batteries.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a cervical cerclage wire demolishs equipment, including guide cylinder 1, thread scissors and install the lighting device in guide cylinder 1, seted up window 11 on the guide cylinder 1, thread scissors stretches into in the guide cylinder 1 and is connected with guide cylinder 1 detachably, and the cutting edge of thread scissors aims at window 11 to pick up and cut the cervical cerclage wire that is exposed by window 11.

The utility model discloses an equipment is demolishd to cervical cerclage line makes cervical ring ligature expose in guide cylinder 1 along window 11 through guide cylinder 1 in, the line of being convenient for is cut and is picked up and cut cervical ring ligature, avoids haring other peripheral tissues, makes the line cut can be smooth steady moreover through guide cylinder 1 and gets into along patient's vagina and reachs the assigned region, has reduced the operation degree of difficulty, has improved the security performance.

As shown in fig. 1 to 3, in an exemplary embodiment, the guide cylinder 1 includes a cylinder body 15, a guide portion 14 is provided at a front end of the cylinder body 15, a handle 13 is provided at a rear end of the cylinder body 15, a window 11 may be provided on the cylinder body 15 or on the guide portion 14, and the window 11 penetrates through a sidewall of the guide cylinder 1, so that the cervical cerclage wire can be exposed in the guide cylinder 1 through the window 11, thereby improving the convenience of operation. The barrel body 15, the guide part 14 and the handle 13 can be made of plastics, and the plastic barrel is convenient to manufacture and light in weight. Wherein, barrel 15 is oval structure, adopts oval structure on the one hand to be convenient for with the vagina matching, and the business turn over is convenient. The outside profile of guide part 14 is reduced gradually by the one end that is close to stack shell 15 to the one end of keeping away from stack shell 15, and the tip that guide part 14 kept away from stack shell 15 one end is the arc structure, adopts this structural design, is convenient for push away the tissue of vaginal wall through guide part 14 for guide cylinder 1 can reach beside the cervix smoothly, avoids damaging peripheral tissue when getting into the vagina simultaneously, improves the security performance.

As shown in fig. 1 and 2, in an exemplary embodiment, the lighting device includes a lamp bead 31 and a storage battery 32, the lamp bead 31 is connected with the storage battery 32, a connected wire can be fixed on an inner wall of the housing, and a switch is installed on the storage battery 32. When the window 11 is arranged on the cylinder body 15, the window 11 can be arranged on a short shaft area close to the cylinder body 15, the lamp beads 31 can be arranged on a long shaft area close to the cylinder body 15 and close to the window 11, the lighting effect is improved and the space is saved due to the arrangement, all the parts are intensively arranged at the lower side of the inner part of the guide cylinder, the occupied space is reduced, and more operation space is provided for the wire cutter; the storage battery 32 can be installed at one end of the barrel 15 far away from the guide part 14, so that the operation is convenient, and the on and off of the lamp beads are controlled through a switch. In order to adapt to different requirements and lighting effects, the light filter can be arranged on the lamp bead.

As shown in fig. 1 to 4, in an exemplary embodiment, the wire cutter includes a housing 21, a handle 26 and two cutting blades, the

cutting blades

22 and 23 are hinged and mounted on the housing 21, the two cutting blades can be hinged with the housing 21, for example, by a pin, and both ends of the pin are connected with the housing. The two cutting edges are matched to cut the cervical ring ligature and are connected in a hinged mode, so that the cutting edges are prevented from shaking randomly, and the cutting edges can be opened and closed flexibly. The front end of each shear blade extends out of the shell 21, the rear end of each shear blade is hinged to a connecting rod 24, for example, the rear end of each shear blade is hinged to the connecting rods through a pin shaft, the rear ends of the two connecting rods 24 are hinged to each other, the rear ends of the connecting rods are connected with a handle 26 through a traction rod 25, and the rear ends of the connecting rods are connected with the traction rods in a hinged mode. The shell 21 is provided with sliding grooves distributed along the axial direction of the shell, the pull handle 26 is installed on the shell 21 and slides along the sliding grooves to enable the traction rod 25 to drive the two cutting edges to open and close, and a return spring 27 for driving the pull handle 26 to return is arranged between the pull handle 26 and the shell 21. The handle 26 is provided with a stopper 261 for restricting the handle 26 from coming off the slide groove, which can restrict the range of sliding of the handle 26 and guide the handle 26 to slide stably. Both ends of the handle 26 protrude out of the side wall of the guide cylinder 1, and the handle can be pulled by adopting the structural design, so that the phenomenon that the rear end of the guide cylinder is blocked by a hand can be avoided, the internal condition of the guide cylinder is prevented from being observed, and the operation safety is improved. When the device is used, the handle 26 is pulled to retreat to the maximum position along the sliding groove, the cutting edge is closed, and the return spring 27 is in a compressed state; when the handle 26 is released, the return spring 27 pushes the handle 26 to advance to the maximum position along the chute under the action of elastic force, and the traction rod and the handle move forwards together, so that the two cutting edges are opened and reset.

As shown in fig. 1 to 4, a groove 221 is formed in one of the cutting edges 22, and the raised cervical cerclage wire is not easily separated from the cutting edge due to the adoption of the structure, so that the operation is simpler and more stable. Be equipped with joint frame 12 in the guide cylinder 1, in the front end of shell 21 stretched into guide cylinder 1 to with joint frame 12 joint, joint frame 12 has certain elastic deformation ability, and shell 21 card is gone into joint frame 12 back, embraces shell 21 through joint frame 12 tightly, avoids shell 21 to rock, is convenient for place and accomodates, avoids losing. When in use, the shell 21 can be separated from the clamping frame 12 and adjusted to a proper operation position in the guide cylinder 1; or the housing 21 can be clamped with the clamping frame 12, when the housing is subjected to an external force, the position of the cutting edge can be adjusted in a sliding manner along the axial direction of the housing 21, so that the cutting edge 22 with the groove 221 is aligned with the window 11, and the cutting edge is adjusted to reach a proper operation position by adjusting the position of the guide cylinder 1.

The working process is as follows: after the guide cylinder enters the vagina, an operator holds the handle with the left hand, operates the whole device, recognizes the vaginal fornix position and the thread knot direction according to the physical examination and the cervical position before operation, enters the vaginal fornix along the potential lacuna of the cervix and the vaginal wall, opens the lighting device, observes and adjusts the guide cylinder, enables the cervical ring ligature to be exposed at the window, and the operator pulls the handle with the right hand, enables the shearing blade to pick up the cervical ring ligature from the window and shear the cervical ring ligature, and after the operation is finished, the guide cylinder is taken out from the vagina, and finally the sheared cervical ring ligature is taken out.

The utility model discloses an equipment is demolishd to cervical cerclage line is favorable to making the cervical ring ligature expose at the particular position, and the operation of being convenient for avoids haring peripheral tissue, has ensured the security among the clinical operation process to can one accomplish the operation, practice thrift manpower resources.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an equipment is demolishd to cervical cerclage line which characterized in that: including guide cylinder, thread scissors and install the lighting device in the guide cylinder, the window has been seted up on the guide cylinder, the thread scissors stretches into in the guide cylinder and is connected with guide cylinder detachably, just the cutting edge of thread scissors aims at the window to pick up and cut the palace neck ring ligature that is exposed by the window.

2. The cervical cerclage removal apparatus of claim 1, wherein: the guide cylinder comprises a cylinder body, a guide part is arranged at the front end of the cylinder body, and a handle is arranged at the rear end of the cylinder body.

3. The cervical cerclage removal apparatus of claim 2, wherein: the barrel body is of an oval structure.

4. The cervical cerclage removal apparatus of claim 2, wherein: the outer profile of guide part reduces to the one end of keeping away from the stack shell by the one end that is close to the stack shell gradually, and the tip that the stack shell one end was kept away from to the guide part is the arc structure.

5. The cervical cerclage removal apparatus of claim 2, wherein: the window is arranged on the barrel body or the guide part.

6. The cervical cerclage removal apparatus of claim 1, wherein: the lighting device comprises a lamp bead and a storage battery, the lamp bead is connected with the storage battery, and a switch is installed on the storage battery.

7. The cervical cerclage removal apparatus of claim 1, wherein: the wire shear comprises a shell, a handle and two hinged shearing blades, the shearing blades are connected with the shell, the front ends of the shearing blades extend out of the shell, the rear ends of the shearing blades are hinged to a connecting rod, the connecting rod is connected with the handle through a traction rod, a sliding groove is formed in the shell, the handle is installed on the shell and slides along the sliding groove to enable the traction rod to drive the two shearing blades to be opened and closed, and a reset spring for driving the handle to reset is arranged between the handle and the shell.

8. The cervical cerclage removal apparatus of claim 7, wherein: one of the shear blades is provided with a groove.

9. The cervical cerclage removal apparatus of claim 7, wherein: the handle is provided with a limiting part for limiting the handle to be separated from the shell, and the limiting part is positioned outside the shell.

10. The cervical cerclage removal apparatus of claim 7, wherein: the guide cylinder is internally provided with a clamping frame, and the front end of the shell extends into the guide cylinder and is clamped with the clamping frame.