CN213098215U

CN213098215U - External uterus lifter for wide cervical resection

Info

Publication number: CN213098215U
Application number: CN202021100798.4U
Authority: CN
Inventors: 陈义松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-05-04
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to an external uterus ware of lifting of uterus for extensive excision of cervix, including handle and induction rod, the rear end and the handle of induction rod are connected, the front end of induction rod is equipped with and is used for fixed uterus's fixed disk, the cover is equipped with the stifled air valve disc on the induction rod, and the stifled air valve disc is round platform or coniform, and the sectional area of stifled air valve disc reduces along induction rod front end direction gradually. The utility model abandons the cervical cup, which can avoid the extrusion of the cervical cup to the cervix; the front end of the guide rod does not enter the uterus, and the extrusion of the guide rod on the cervix can be avoided; the air blocking valve disc is arranged at the vaginal opening and is away from the cervix and the tumor by a certain distance, so that the cervix and the tumor cannot be extruded; the whole device avoids the extrusion of the tumor tissue at the cervix uteri on the whole, thereby preventing the tumor tissue from falling off, strictly realizing the principle of no tumor, improving the success rate of the operation and avoiding the relapse after the operation to the maximum extent.

Description

External uterus lifter for wide cervical resection

Technical Field

The utility model belongs to the technical field of medical instrument technique and specifically relates to an external uterus lifting device of uterus that is used for wide excision of cervix.

Background

The existing uterine manipulator can avoid air leakage in pneumoperitoneum, and the range is easy to control. The uterine manipulator can be placed into the uterine manipulator according to different uterine positions, and the uterine position can be swung to the maximum extent according to the operation requirements and the requirements of operators, so that the uterine manipulator is particularly suitable for various operations with different difficulties, such as every position hysteromyoma stripping operation, wide hysterectomy, serious adhesion separation of the back wall of the uterus and the like.

If the Chinese patent with publication number CN101254129B discloses a multidirectional air-leakage-free uterine manipulator, which comprises a handle, an introduction rod, a regulator, an adjusting screw, a push rod, a vaginal cup, a cervical cup, an introduction arc head, a manual control plane, an arc angle of 30 degrees and a concave surface, wherein cervical cups and vaginal cups of different types can be selected according to the sizes of the cervix and the vagina of a human body, so that the leakage of the pneumoperitoneum is prevented, the requirements of patients with different vaginal sizes and different uterine sizes in different age groups are met, and the occurrence of injuries such as uterine perforation and the like can be prevented. The structural design is humanized, convenient operation, and factor of safety is high, avoids leaking gas, and the scope is easily controlled.

However, in the current uterus lifting device, in the wide total hysterectomy process of cervical cancer, tumor tissues are exposed in the operative field, an introduction rod needs to penetrate through the cervix to lift the uterus, the uterus is fixed by combining a cervix cup, the cervix cup is sleeved in the uterine orifice of a human body, perforation and extrusion are formed in the operation, the tumor tissues at the cervix are easily extruded and shed, iatrogenic diffusion is caused, the postoperative recurrence rate and survival rate are directly influenced, and the tumor-free principle of the cervical cancer operation cannot be well achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an external uterus lifting device for wide excision of cervix uteri, which can reduce the probability of iatrogenic disseminating caused by the dropping of tumor tissues at the cervix uteri.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an external uterus ware of lifting for uterus of extensive excision of cervix, includes handle and leading-in pole, and the rear end and the handle of leading-in pole are connected, the front end of leading-in pole is equipped with the fixed disk that is used for fixed uterus, the cover is equipped with the stifled air valve disc on the leading-in pole, and the stifled air valve disc is round platform or coniform, and the sectional area of stifled air valve disc reduces along leading-in pole front end direction gradually.

The utility model abandons the cervical cup in the prior art, and can avoid the extrusion of the cervical cup to the cervix, thereby causing the falling of tumor tissues; during operation, the front end of the guide rod does not enter the uterus, and the extrusion of the guide rod on the cervix can be avoided. The front end of the guide-in rod adopts a fixed disc for fixing the uterus, and the uterus can be wound and fixed on the disc through silk threads, so that the uterus can be conveniently placed in a proper position. The air-blocking valve disc is arranged at the vaginal opening, so that the purpose of air blocking is realized, and meanwhile, a distance is reserved between the air-blocking valve disc and the cervix and the tumor, so that the cervix and the tumor cannot be extruded.

The vagina cervical sleeve is formed by matching the vagina in the operation, and the cervix and the tumor mass are wrapped and sealed in the sleeve to prevent the tumor from spreading. Then the uterus lifter passes through the retrocrinal peritoneum from the vaginal and rectal space and enters the pelvic cavity, and the back wall and the bottom of the uterus are fixed on a uterus fixing disc of the uterine lifter outside the uterus.

Preferably, the fixing disc is provided with fixing holes, so that the silk thread can be conveniently threaded, the silk thread is not easy to shift during winding, and the fixing effect on the uterus is better.

Preferably, the number of the fixing holes is three, and the fixing holes are distributed on the fixing disc in a triangular shape. The uterus is arranged in the center of the fixed disc, and the hole sites distributed in a triangular shape are convenient for the silk thread to carry out omnibearing winding and fixing on the uterus, so that the uterus is prevented from being separated from the fixed disc in the operation process.

Preferably, the fixed disc is fixed to the front end of the guide rod by welding. The welding fixation is convenient and firm, and the direct fixation is integrated during processing, so that the fixed disc and the guide-in rod are not easy to fall off, and accidents are avoided during operations.

Preferably, the edge of the fixing disc is arc-shaped, and through passivation treatment, the medical injury in the operation is prevented, and the damage of the fixing disc to surrounding tissues in the operation can be prevented.

Preferably, a push rod is further arranged on the guide-in rod, the push rod is hollow, and the guide-in rod penetrates through the push rod; the push rod is positioned between the air-blocking valve disc and the handle. The push rod is used for pushing the air-blocking valve disc, so that the position of the air-blocking valve disc can be conveniently adjusted, and the air-blocking valve disc can be pushed to tightly abut against the vaginal opening during an operation.

Preferably, one end of the push rod is fixedly connected with the air-blocking valve disc. The fixed connection is convenient for the push rod to pull the air-blocking valve disc, is convenient for adjust the position of the air-blocking valve disc, and can pull the air-blocking valve disc out of the vaginal opening after an operation.

Preferably, the guide-in rod is further slidably sleeved with a positioning piece, the positioning piece is located between the push rod and the handle, and the positioning piece is connected with the push rod. After the air-blocking valve disc is adjusted well, the positioning piece is used for positioning the air-blocking valve disc, so that the air-blocking valve disc is prevented from moving during an operation.

Preferably, the positioning piece comprises a positioning sleeve, a connecting piece and an adjusting bolt, the positioning sleeve and the connecting piece are both arranged in a hollow mode, the lead-in rod penetrates through the positioning sleeve and the connecting piece, one end of the connecting piece is fixed with the positioning sleeve, and the other end of the connecting piece is connected with the push rod; the adjusting bolt penetrates through the side wall of the positioning sleeve and is in threaded connection with the positioning sleeve.

The adjusting bolt is loosened, the positioning sleeve can move, and meanwhile, the push rod can push the air-blocking valve disc; after the gas-blocking valve disc moves to the determined position, the positioning sleeve is moved, the connecting piece is abutted against the push rod, the adjusting bolt is screwed, the adjusting bolt is abutted against the guide-in rod, the positioning sleeve is fixed, and the gas-blocking valve disc is positioned.

Preferably, the connecting piece is fixedly inserted into the push rod. The plug-in fixing is convenient, so that the contact area between the connecting piece and the push rod is large, the positioning sleeve is more convenient to support the push rod tightly, and the joint is not easy to loosen.

Preferably, the handle is flat. Compare cylindrical handle, the handle of flattening produces moment more easily, can lift the palace ware in the art and control about, from top to bottom, is favorable to putting the uterus in different positions, has solved the problem that the gynaecology and obstetrics doctor's strength is littleer that women's doctor is many.

To sum up, the utility model discloses following beneficial effect has: the utility model abandons the cervical cup, which can avoid the extrusion of the cervical cup to the cervix; the front end of the guide rod does not enter the uterus, and the extrusion of the guide rod on the cervix can be avoided; the air blocking valve disc is arranged at the vaginal opening and is away from the cervix and the tumor by a certain distance, so that the cervix and the tumor cannot be extruded; the whole device can avoid the extrusion of the tumor tissue at the cervix uteri on the whole, thereby preventing the tumor tissue from falling off, improving the success rate of the operation and avoiding the relapse after the operation to the maximum extent.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic sectional structure diagram of the present invention.

Fig. 4 is a schematic view of the present invention in use.

Reference numerals: 1. a handle; 2. a lead-in rod; 3. fixing the disc; 31. a fixing hole; 4. a gas shutoff valve disc; 5. a push rod; 6. a positioning member; 61. a positioning sleeve; 62. a connecting member; 63. and adjusting the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1-3, this embodiment includes handle 1 and leading-in pole 2, and the rear end of leading-in pole 2 is connected with handle 1, the front end of leading-in pole 2 is equipped with the fixed disk 3 that is used for fixed uterus, the cover is equipped with stifled air valve disc 4 on the leading-in pole 2, and stifled air valve disc 4 is round platform or coniform, and the sectional area of stifled air valve disc 4 reduces along leading-in pole 2 front end direction gradually.

The embodiment abandons the cervical cup in the prior art, and can avoid the extrusion of the cervical cup on the cervix, thereby causing the shedding of tumor tissues; during operation, the front end of the guide rod 2 does not enter the uterus, and the extrusion of the guide rod 2 to the cervix can be avoided. The front end of the leading-in rod 2 adopts a fixed disc 3 for fixing the uterus, and the uterus can be wound and fixed on the disc through silk threads, so that the uterus can be conveniently placed in a proper position. The air-blocking valve disc 4 is arranged at the vaginal opening, so that the purpose of air blocking is realized, and meanwhile, a distance is reserved between the air-blocking valve disc and the cervix and the tumor, so that the cervix and the tumor cannot be extruded.

In this embodiment, the fixing plate 3 is provided with the fixing hole 31, so that the silk thread can be conveniently threaded, the silk thread is not easy to shift during winding, and the fixing effect on the uterus is better. The number of the fixing holes 31 may be plural, and the embodiment is preferably three, and the fixing holes are distributed on the fixing disc 3 in a triangular shape. The uterus is arranged in the center of the fixed disk 3, and the hole sites which are distributed in a triangular shape are convenient for the silk thread to carry out omnibearing winding and fixing on the uterus, so that the uterus is prevented from being separated from the fixed disk 3 in the operation process.

In this embodiment, the fixed disk 3 is fixed to the front end of the introduction rod 2 by welding. The welding fixation is convenient and firm, and the direct fixation is integrated during processing, so that the fixed disc 3 and the leading-in rod 2 are not easy to fall off, and accidents are avoided during operations.

The edge of the fixed disk 3 is arc-shaped and is passivated. Can prevent the fixed disc 3 from damaging the surrounding tissues in the operation.

In this embodiment, the guiding rod 2 is further provided with a push rod 5, the push rod 5 is hollow, and the guiding rod 2 penetrates through the push rod 5; the push rod 5 is positioned between the air-blocking valve disc 4 and the handle 1. The push rod 5 is used for pushing the air-blocking valve disc 4, so that the position of the air-blocking valve disc 4 can be conveniently adjusted, and the air-blocking valve disc 4 can be pushed to tightly abut against the vaginal opening during an operation.

One end of the push rod 5 can be fixedly connected with the gas-tight valve disc 4. The fixed connection is convenient for the push rod 5 to pull the air-tight valve disc 4, is convenient for adjust the position of the air-tight valve disc 4, and can pull the air-tight valve disc 4 out of the vaginal opening after the operation.

In this embodiment, the guiding rod 2 is further slidably sleeved with a positioning member 6, the positioning member 6 is located between the push rod 5 and the handle 1, and the positioning member 6 is connected with the push rod 5. After the position of the air-blocking valve disc 4 is adjusted, the positioning piece 6 is used for positioning the air-blocking valve disc 4 to avoid moving during an operation.

The positioning piece 6 comprises a positioning sleeve 61, a connecting piece 62 and an adjusting bolt 63, the positioning sleeve 61 and the connecting piece 62 are arranged in a hollow mode, the guide rod 2 penetrates through the positioning sleeve 61 and the connecting piece 62, one end of the connecting piece 62 is fixed with the positioning sleeve 61, and the other end of the connecting piece 62 is connected with the push rod 5; the adjusting bolt 63 penetrates through the side wall of the positioning sleeve 61 and is in threaded connection with the positioning sleeve 61.

The adjusting bolt 63 is loosened, the positioning sleeve 61 can move, and meanwhile, the push rod 5 can push the air-blocking valve disc 4; after the gas-tight valve disc 4 moves to a certain position, the positioning sleeve 61 is moved, the connecting piece 62 abuts against the push rod 5, the adjusting bolt 63 is screwed, the adjusting bolt 63 abuts against the guide rod 2, the positioning sleeve 61 is fixed, and the gas-tight valve disc 4 is positioned.

In this embodiment, the connecting member 62 is fixed to the push rod 5 by insertion. The inserting and fixing are convenient, so that the contact area between the connecting piece 62 and the push rod 5 is large, the positioning sleeve 61 is more convenient to support the push rod 5, and the joint is not easy to loosen.

In this embodiment, the handle 1 is flat. Compared with a cylindrical handle 1, the flattened handle 1 can generate moment more easily, the uterine manipulator can rotate left and right and be operated up and down in the operation, and the problem that the force of a gynaecological doctor who has many female doctors is small is solved.

Example 2:

referring to fig. 4, the present embodiment, which adopts the structure of embodiment 1, is mainly used for wide cervicitis resection, and the operation steps are as follows:

(1) an extensive cervical resection is initiated transvaginally, which transects the upper vaginal segment by about 3 cm;

(2) the disconnected vaginal wall is sutured and closed to form an oversleeve, and the cervix and the tumor are sealed in the oversleeve, so that the contact and the diffusion of the tumor and other external tissues are prevented;

(3) separating the gap between the vagina and the rectum and opening the sunken peritoneum of the rectum;

(4) the uterine elevator of the embodiment is inserted into the gap from the vaginal orifice, and the uterus is fixed on the fixed disc 3;

(5) pushing the push rod 5 to enable the air-blocking valve disc 4 to block the vaginal opening, and tightening the adjusting bolt 63 for fixation;

(6) the pneumoperitoneum is established or exempted, and the wide cervical resection is started under the laparoscope.

The embodiment of the specific implementation is the preferred embodiment of the present invention, which is not limited according to this, the protection scope of the present invention is, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an external uterus of uterus ware of lifting for wide excision of cervix, includes handle (1) and guide-in pole (2), and the rear end and the handle (1) of guide-in pole (2) are connected, its characterized in that: the front end of leading-in pole (2) is equipped with fixed disk (3) that are used for fixed uterus (16), the cover is equipped with stifled gas valve disc (4) on leading-in pole (2), and stifled gas valve disc (4) are round platform or coniform, and the sectional area of stifled gas valve disc (4) reduces along leading-in pole (2) front end direction gradually.

2. The external uterine manipulator as set forth in claim 1, which is used for wide cervical resection, and comprises: the fixed disc (3) is provided with a fixed hole (31).

3. The external uterine manipulator as set forth in claim 2, which is used for wide cervical resection, and comprises: the number of the fixing holes (31) is three, and the fixing holes are distributed on the fixing disc (3) in a triangular shape.

4. The external uterine manipulator as set forth in claim 1, which is used for wide cervical resection, and comprises: the fixed disc (3) is fixed with the front end of the leading-in rod (2) through welding.

5. The external uterine manipulator as set forth in claim 1, which is used for wide cervical resection, and comprises: the edge of the fixed disc (3) is arc-shaped.

6. The external uterine manipulator as set forth in claim 1, which is used for wide cervical resection, and comprises: the guide-in rod (2) is also provided with a push rod (5), the push rod (5) is hollow, and the guide-in rod (2) penetrates through the push rod (5); the push rod (5) is positioned between the air-blocking valve disc (4) and the handle (1).

7. The external uterine manipulator as set forth in claim 6, which is used for wide cervical resection, and comprises: still slide on the leading-in pole (2) and overlap and be equipped with setting element (6), setting element (6) are located between push rod (5) and handle (1), and setting element (6) are connected with push rod (5).

8. The external uterine manipulator as set forth in claim 7, which is used for wide cervical resection, and comprises: the positioning piece (6) comprises a positioning sleeve (61), a connecting piece (62) and an adjusting bolt (63), the positioning sleeve (61) and the connecting piece (62) are both arranged in a hollow mode, the guide-in rod (2) penetrates through the positioning sleeve (61) and the connecting piece (62), one end of the connecting piece (62) is fixed with the positioning sleeve (61), and the other end of the connecting piece (62) is connected with the push rod (5); the adjusting bolt (63) penetrates through the side wall of the positioning sleeve (61) and is in threaded connection with the positioning sleeve (61).

9. The external uterine manipulator as set forth in claim 8, which is used for wide cervical resection, and comprises: the connecting piece (62) is fixedly inserted with the push rod (5).

10. The external uterine manipulator as set forth in claim 1, which is used for wide cervical resection, and comprises: the handle (1) is flat.