CN215688250U

CN215688250U - Tumor extraction device

Info

Publication number: CN215688250U
Application number: CN202120497996.7U
Authority: CN
Inventors: 史沛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-02-01
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a tumor extraction device which comprises a cylinder body, wherein one end of the cylinder body is fixedly connected with a top cover, a lead screw is connected onto the top cover in a threaded manner, one end of the lead screw extends into the cylinder body, a bearing is connected onto the end of the lead screw, the lead screw is fixedly connected with an inner ring of the bearing, an outer ring of the bearing is fixedly connected with a sliding plate, a first clamp arm and a second clamp arm are hinged onto the sliding plate, the middle parts of the first clamp arm and the second clamp arm are connected through springs, the other end of the cylinder body is fixedly connected with a limiting plate, a limiting hole for limiting the size of an opening between the first clamp arm and the second clamp arm is formed in the limiting plate, and a chuck is fixedly connected onto one end, away from the sliding plate, of each of the first clamp arm and the second clamp arm. According to the utility model, the lower end of the screw rod is connected with the first clamp arm and the second clamp arm, and the limiting hole is arranged, so that the side walls at two ends of the limiting hole have a limiting effect on the first clamp arm and the second clamp arm in the lifting or descending process of the screw rod, and the clamping and extraction of the chuck on the tumor can be realized.

Description

Tumor extraction device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a tumor extraction device.

Background

The tumour is one of common disease, in recent years, the tumour morbidity is the rising trend, adopt earlier with micro-scissors with the tumour excision to the excision of tumour at present mostly, then reuse tumour excision pincers come the centre gripping tumour, but present tumour excision pincers are the end that the rotation axis that is used for connecting two tong arms is close to the tong arm for whole excision pincers belong to hard lever, at the in-process of handheld excision pincers excision tumour, because the relaxation of hand strength, cause the tumour shedding phenomenon that the excision got off easily, it can cause unnecessary injury to the patient to press from both sides the tumour once more to press from both sides the knot, and simultaneously, present tumour excision pincers do not possess the observation passageway, the accurate clamp of the tumour of being not convenient for is got.

Therefore, it is an urgent need to solve the above-mentioned problems by those skilled in the art to provide a tumor extraction device that can prevent the tumor from falling off during the tumor extraction process and facilitate the observation of the tumor clamping operation during the tumor clamping process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a tumor extraction device, and aims to solve the problems that the existing tumor extirpation forceps are easy to fall off and convenient to observe and clamp actions in the tumor extraction process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a tumor extraction device, comprising: the barrel, the one end fixedly connected with top cap of barrel, threaded connection has the lead screw on the top cap, and the one end of lead screw extends to inside and at this end connection of barrel has the bearing, the inner ring fixed connection of lead screw and bearing, the outer loop of bearing and the sliding plate fixed connection who is located the bearing below, it has first tong arm and second tong arm to articulate on the sliding plate, and the middle part of first tong arm and second tong arm passes through spring coupling and forms tweezers structure, the other end fixedly connected with limiting plate of barrel, have the spacing hole that is used for spacing opening size between first tong arm and the second tong arm on the limiting plate, first tong arm and second tong arm are keeping away from the equal fixedly connected with chuck of one end of sliding plate.

Further, still include the fixed plate, the fixed plate is fixed to be set up in the inside of barrel, and is located between top cap and the bearing, the fixed plate and lead screw thread fit.

Further, the chuck is circular-arc, and the inboard of chuck has a plurality of anticreep teeth.

Furthermore, the inner sides of the first clamp arm and the second clamp arm are both arc-shaped structures.

Further, the length of the limiting hole is larger than the distance between the first clamp arm and the hinge point of the second clamp arm and the sliding plate.

Further, still include light source pipe and observation pipe, light source pipe and observation pipe all follow the axial setting of barrel, and the both ends of light source pipe and observation pipe run through top cap and limiting plate respectively and fixed connection with it.

According to the technical scheme, compared with the prior art, the utility model discloses and provides the tumor extraction device, the lower end of the screw rod is connected with the first clamp arm and the second clamp arm, and the limiting hole is arranged, in the lifting or descending process of the screw rod, the side walls at two ends of the limiting hole have limiting effects on the first clamp arm and the second clamp arm, so that the tumor can be clamped and extracted by the chuck, and the problem that the clamped tumor is easy to fall off can be solved by designing the inner sides of the first clamp arm and the second clamp arm to be circular arcs, arranging the chuck to be circular-arc-shaped and combining with the anti-falling teeth on the inner side of the chuck; simultaneously, through the setting of light source pipe and observation pipe, can realize drawing the observation of operation to the tumour, the tumour is got to the accurate clamp of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a tumor extraction device according to the present invention;

FIG. 2 is a schematic structural diagram of a chuck provided by the present invention;

fig. 3 is a schematic structural diagram of a limiting plate provided by the utility model.

Wherein: 1 is a cylinder body; 2 is a top cover; 3 is a screw rod; 4 is a bearing; 5 is a sliding plate; 6 is a first clamp arm; 7 is a second clamp arm; 8 is a spring; 9 is a limit plate; 10 is a limit hole; 11 is a chuck; 12 is a fixed plate; 13 is anti-falling teeth; 14 is a light source tube; and 15 is an observation tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention discloses a tumor extraction device, including: the clamp comprises a cylinder body 1, wherein one end of the cylinder body 1 is fixedly connected with a top cover 2, the top cover 2 is in threaded connection with a screw rod 3, one end of the screw rod 3 extends into the cylinder body 1 and is connected with a bearing 4 at the end part, the screw rod 3 is fixedly connected with an inner ring of the bearing 4, an outer ring of the bearing 4 is fixedly connected with a sliding plate 5 positioned below the bearing 4, a first clamp arm 6 and a second clamp arm 7 are hinged on the sliding plate 5, the inner sides of the first clamp arm 6 and the second clamp arm 7 are both arc-shaped structures, the middle parts of the first clamp arm 6 and the second clamp arm 7 are connected through a spring 8 to form a tweezers structure, in the descending process of the screw rod 3, the spring 8 can apply an expanded elastic force to the first clamp arm 6 and the second clamp arm 7, the other end of the cylinder body 1 is fixedly connected with a limiting plate 9, the limiting plate 9 is provided with a limiting hole 10 for limiting the size of an opening between the first clamp arm 6 and the second clamp arm 7, the length of the limiting hole 10 is greater than the distance between the first clamp arm 6 and the hinge point of the second clamp arm 7 and the sliding plate 5, specifically, in the up-and-down movement process of the screw rod 3, under the action of the spring 8, the first clamp arm 6 and the second clamp arm 7 can be always abutted against the side walls at the two ends of the limiting hole 10, and the first clamp arm 6 and the second clamp arm 7 are fixedly connected with the chuck 11 at one end far away from the sliding plate 5.

In this embodiment, this tumour extraction element still includes fixed plate 12, and fixed plate 12 level is fixed to be set up in the inside of barrel 1, and is located between top cap 2 and the bearing 4, and fixed plate 12 and lead screw 3 screw-thread fit can realize playing the guide effect to the slip of sliding plate 5 through lead screw 3 respectively with top cap 2 and fixed plate 12 threaded connection, guarantee that sliding plate 5 rotates the in-process steady motion at lead screw 3.

Specifically, the chuck 11 is arc-shaped, and the inner side of the chuck 11 is provided with a plurality of anti-falling teeth 13, and the problem that the clamped tumor is easy to fall off can be prevented by designing the inner sides of the first and second clamp arms 6 and 7 to be arc-shaped, arranging the chuck 11 to be arc-shaped and combining the anti-falling teeth 13 arranged on the inner side of the chuck 11.

In the above embodiment, the tumor extraction device further includes a light source tube 14 and an observation tube 15, the light source tube 14 and the observation tube 15 are both arranged along the axial direction of the cylinder 1, two ends of the light source tube 14 and the observation tube 15 respectively penetrate through the top cover 2 and the limiting plate 9, two ends of the light source tube 14 and the observation tube 15 are respectively fixedly connected with the top cover 2 and the limiting plate 9, meanwhile, the light source tube 14 and the observation tube 15 respectively penetrate through the fixing plate 12 and the sliding plate 5 inside the cylinder 1, the light source tube 14 is used for illuminating the tumor-resected part, the observation tube 15 is used for observing the state of the periphery of the tumor and the position of the chuck 11 for clamping the tumor, and by arranging the light source tube 14 and the observation tube 15, observation of tumor extraction operation can be realized, and accurate clamping of the tumor is facilitated.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tumor extraction device, comprising: the barrel, the one end fixedly connected with top cap of barrel, threaded connection has the lead screw on the top cap, and the one end of lead screw extends to inside and at this end connection of barrel has the bearing, the inner ring fixed connection of lead screw and bearing, the outer loop of bearing and the sliding plate fixed connection who is located the bearing below, it has first tong arm and second tong arm to articulate on the sliding plate, and the middle part of first tong arm and second tong arm passes through spring coupling and forms tweezers structure, the other end fixedly connected with limiting plate of barrel, have the spacing hole that is used for spacing opening size between first tong arm and the second tong arm on the limiting plate, first tong arm and second tong arm are keeping away from the equal fixedly connected with chuck of one end of sliding plate.

2. The tumor extraction device as claimed in claim 1, further comprising a fixing plate fixedly disposed inside the cylinder and located between the top cap and the bearing, wherein the fixing plate is in threaded engagement with the lead screw.

3. The tumor extraction apparatus of claim 1, wherein the chuck is arcuate and has a plurality of anti-run teeth on an inner side of the chuck.

4. The tumor extraction device of claim 1, wherein the inner sides of the first and second clamp arms are both arc-shaped.

5. The tumor extraction device as claimed in claim 1, wherein the length of the limiting hole is greater than the distance between the first and second clamp arms and the hinge point of the sliding plate.

6. The tumor extraction device according to claim 1, further comprising a light source tube and an observation tube, wherein the light source tube and the observation tube are both arranged along the axial direction of the cylinder, and two ends of the light source tube and the observation tube respectively penetrate through the top cover and the limiting plate and are fixedly connected with the top cover and the limiting plate.