CN213406234U

CN213406234U - Cervical expanding device for gynecological operation

Info

Publication number: CN213406234U
Application number: CN202021676472.6U
Authority: CN
Inventors: 周文娟; 张青; 彭丽媛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-11
Anticipated expiration: 2030-08-12

Abstract

The cervical expanding device for gynecological operation effectively solves the problems that the conventional cervical expanding device for gynecological operation damages the vaginal wall after repeated operation, the cervical injury is easily caused by repeated contact and friction between the rod-type dilator and the inner wall of the cervix, and the expansion effect is not obvious, the problem that the expansion degree can not accurate control, the inside front end of box body rotates and is connected with the big bevel gear of second, the front end even meshing of the big bevel gear of second has four second bevel gears, second bevel gear rotates and connects in the inside front end of box body, the outside of every second bevel gear is all fixedly connected with threaded rod, every threaded rod is threaded connection all has the movable plate, movable plate sliding connection is in the front end of box body, the front end of every movable plate all sliding connection has detachable to prop the board, the big bevel gear of second rotates and forms four structures that prop the board and move to the outside simultaneously, better control cervical expansion degree.

Description

Cervical expanding device for gynecological operation

Technical Field

The utility model belongs to the technical field of the cervical extension technique and specifically relates to a gynecological operation cervical extension device is related to.

Background

In clinical, when treating uterine disease or carrying out artifical flow, often will carry out the expansion of cervix, it is little often to meet the cervix uteri, medical instrument can't insert in the cervix uteri, current cervix uteri expander is various rod type apparatus that the thickness is unequal, need relapse a lot of operations, let the cervix uteri that has contractility receive external world oppression natural expansion, it is very inconvenient, and can harm the vaginal wall at the in-process of taking out repeatedly and inserting, rod type expander and cervix uteri inner wall contact friction many times in addition, cause the cervix uteri to damage very easily, but still there is the expansion effect not obvious, the problem that the expansion degree can not the accurate control.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a gynaecology's operation cervical expands device through this design is effectual solved conventional gynaecology's operation cervical and expands device and relapse many times operation damage vaginal wall, and stick type expander and cervical inner wall multiple contact friction cause the cervical damage easily to the expansion effect is not obvious, the problem that the expansion degree can not the accurate control.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a box body, the inside front end of box body rotates and is connected with the big bevel gear of second, and the front end even meshing of the big bevel gear of second has four second bevel gears, and second bevel gear rotates and connects in the inside front end of box body, and every second bevel gear's the outside is fixedly connected with threaded rod all, and every threaded rod all threaded connection has the movable plate, movable plate sliding connection is in the front end of box body, and the front end of every movable plate all sliding connection has detachable to prop the board, and the big bevel gear of second rotates and forms four structures that prop the board and move to the outside simultaneously.

Preferably, the second bevel gear is fixedly connected with a sleeve in the interior, the sleeve is rotatably connected in the box body, and the rear end of the sleeve is fixedly connected with the first large bevel gear.

Preferably, a first bevel gear is meshed on the left side of the rear end of the first large bevel gear and is rotatably connected to the left side of the rear end of the box body, a worm wheel is coaxially and fixedly connected to the left side of the first bevel gear, a worm is meshed at the upper end of the worm wheel and is rotatably connected to the rear end of the left side of the box body, and a knob is fixedly connected to the rear end of the worm.

Preferably, the rear end of the box body is uniformly and fixedly connected with pull rings.

The utility model discloses novel structure, it is ingenious to think about, and easy operation is convenient, through the effectual conventional gynaecology's operation cervical extension device of having solved of this design repeated many times and operate the damage vagina wall, and bar expander and cervical inner wall multiple contact friction cause the cervical damage easily to the expansion effect is not obvious, the problem that the expansion degree can not accurate control.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the exploded state of the present invention.

Fig. 3 is a schematic view of the fitting structure of the knob and the second large bevel gear of the present invention.

Fig. 4 is a schematic view of the structure of the box body and the sleeve.

Fig. 5 is a schematic view of the second big bevel gear and four threaded rods of the present invention.

Fig. 6 is an exploded view of the opening plate and the moving plate of the present invention.

Reference numbers in the figures: 1-opening plate, 2-pull ring, 3-box body, 4-first big bevel gear, 5-knob, 6-moving plate, 7-worm gear, 8-first bevel gear, 9-second big bevel gear, 10-sleeve, 11-second bevel gear, 12-threaded rod, 13-groove and 14-worm.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-6.

The utility model discloses a box body 3, the inside front end of box body 3 is rotated and is connected with the big bevel gear 9 of second, the front end even meshing of the big bevel gear 9 of second has four second bevel gears 11, second bevel gear 11 rotates and connects in the inside front end of box body 3, every second bevel gear 11's the outside is fixedly connected with threaded rod 12 all, every threaded rod 12 is threaded connection all has

movable plate

6, 6 sliding connection of movable plate are in the front end of box body 3, every movable plate 6's front end all sliding connection has detachable to prop out board 1, the big bevel gear 9 of second rotates and forms four structures that prop out board 1 and move to the outside simultaneously.

When in use, firstly, lubricating oil is coated on the outer surface of the opening plate 1, then the front end of the device is slowly inserted into the vagina of a patient, a rotatable second big bevel gear 9 is arranged in the box body 3, then the second big bevel gear 9 can drive the four second bevel gears 11 meshed in front to rotate when rotating, when the four second bevel gears 11 rotate, the corresponding threaded rods 12 can be driven to rotate, the threaded rods 12 can drive the moving plate 6 connected with threads to move outwards at the same time, and the sliding grooves of the box body 3 can restrict the moving plate 6 to move linearly only in the box body 3, so that the vagina and the cervix of the patient can be opened, the examination and the operation are convenient, the opening size of the vagina and the cervix can be controlled by controlling the rotation of the second big bevel gear 9, the repeated operation is not needed, and the vagina wall and the cervix inner wall of the patient are protected, the back end of the opening plate 1 is provided with a groove 13, the shape of the groove 13 is the same as the cross section of the moving plate 6, the friction force between the front end of the moving plate 6 and the groove 13 is large, the opening plate 1 cannot be separated in the process of stretching into the vagina and drawing out the vagina, and the opening plate 1 can be pulled off from the moving plate 6 only by pulling of a doctor.

The second bevel gear 11 is fixedly connected with a sleeve 10, the sleeve 10 is rotatably connected inside the box body 3, and the rear end of the sleeve 10 is fixedly connected with the first large bevel gear 4.

When the first big bevel gear 4 rotates, the sleeve 10 is driven to rotate, the sleeve 10 can drive the second bevel gear 11 to rotate, and the sleeve 10 can rotate in the box body 3.

The left side of the rear end of the first large bevel gear 4 is engaged with a first bevel gear 8, the first bevel gear 8 is rotatably connected to the left side of the rear end of the box body 3, the left side of the first bevel gear 8 is coaxially and fixedly connected with a worm wheel 7, the upper end of the worm wheel 7 is engaged with a worm 14, the worm 14 is rotatably connected to the rear end of the left side of the box body 3, and the rear end of the worm 14 is fixedly connected with a knob 5.

Can drive fixed connection's worm 14 when rotating knob 5 and rotate, worm 14 can drive meshed worm wheel 7 and rotate, and worm wheel 7 drives the first bevel gear 8 of coaxial rigid coupling and rotates, and first bevel gear 8 drives meshed first big bevel gear 4 and rotates, and knob 5 can be more accurate the control cervical degree of strutting.

The rear end of the box body 3 is uniformly and fixedly connected with a pull ring 2.

When the doctor operates, the doctor can insert fingers into the pull ring 2, and then can hold the device to operate.

When the utility model is used, firstly, lubricating oil is smeared on the outer surface of the opening plate 1, then the pull ring 2 is held to slowly insert the front end of the device into the vagina of a patient, after the device reaches a proper position, the fixed connection worm 14 is driven to rotate when the knob 5 is rotated, the worm 14 drives the meshed worm wheel 7 to rotate, the worm wheel 7 drives the first bevel gear 8 of the coaxial fixed connection to rotate, the first bevel gear 8 drives the meshed first big bevel gear 4 to rotate, the sleeve 10 is driven to rotate when the first big bevel gear 4 rotates, the sleeve 10 can drive the second bevel gear 11 to rotate, then the second big bevel gear 9 drives the four second bevel gears 11 meshed in front to rotate, when the four second bevel gears 11 rotate, the corresponding threaded rod 12 is driven to rotate, threaded rod 12 can drive threaded connection's movable plate 6 and move to the outside simultaneously, and the spout of box body 3 can retrain movable plate 6 and only can carry out rectilinear movement in box body 3, and then can prop open patient's vagina and cervix, conveniently inspect and operate, the size that vagina and cervix strutted can be controlled through the rotation of the big bevel gear 9 of control second, and need not operate repeatedly, protect patient's vaginal wall and cervical inner wall, and detachable props open board 1 and is disposable product, can prevent to take place cross infection in inspection or operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Gynecological operation cervical extension device, including box body (3), a serial communication port, the inside front end of box body (3) is rotated and is connected with the big bevel gear of second (9), the front end uniform meshing of the big bevel gear of second (9) has four second bevel gears (11), second bevel gear (11) are rotated and are connected in the inside front end of box body (3), the outside of every second bevel gear (11) is fixedly connected with threaded rod (12), every threaded rod (12) all threaded connection has movable plate (6), movable plate (6) sliding connection is in the front end of box body (3), the front end of every movable plate (6) all sliding connection has detachable to prop open board (1), big bevel gear of second (9) rotate and form four structures that prop open board (1) and move to the outside simultaneously.

2. The cervical dilation device for gynecological surgery according to claim 1, wherein a sleeve (10) is fixedly connected inside the second bevel gear (11), the sleeve (10) is rotatably connected inside the box body (3), and a first large bevel gear (4) is fixedly connected to the rear end of the sleeve (10).

3. The cervical dilation device for gynecological surgery according to claim 2, wherein a first bevel gear (8) is engaged on the left side of the rear end of the first large bevel gear (4), the first bevel gear (8) is rotatably connected to the left side of the rear end of the box body (3), a worm wheel (7) is coaxially and fixedly connected to the left side of the first bevel gear (8), a worm (14) is engaged on the upper end of the worm wheel (7), the worm (14) is rotatably connected to the rear end of the left side of the box body (3), and a knob (5) is fixedly connected to the rear end of the worm (14).

4. Gynecological cervical dilation device according to claim 1, characterized in that a pull ring (2) is fixedly connected to the rear end of the box (3) uniformly.