CN113440220A

CN113440220A - Ocular tumor extractor

Info

Publication number: CN113440220A
Application number: CN202011583179.XA
Authority: CN
Inventors: 王毅; 周吉超
Original assignee: Peking University Peoples Hospital; Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University; Peking University Peoples Hospital; Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28

Abstract

The invention discloses an eye tumor extractor which comprises tumor extracting forceps (1) and a sleeve (2), wherein the sleeve (2) is sleeved on the tumor extracting forceps (1), the tumor extracting forceps (1) comprises forceps handles (3), forceps rods (4) and forceps heads (5), the two forceps handles (3) are rotatably connected through a rotating shaft (14), the two forceps rods (4) are respectively connected onto the two forceps handles (3), one forceps head (5) is arranged at the end part of each forceps rod (4), the forceps heads (5) on the two forceps rods (4) are oppositely arranged, and the end parts of the forceps heads (5) are provided with engaging teeth (6). The invention can change the shape of the round tumor and put the round tumor into the tube, thereby expanding the visual field range of doctors and increasing the success rate of the operation.

Description

Ocular tumor extractor

Technical Field

The invention relates to a tumor taking device, in particular to an eye tumor taking device.

Background

The orbital tumors are often difficult to remove during surgery, and one important reason is that the orbit is deep and has a small space, and accordingly, the incision cannot be too large. Even small tumors tend to be large relative to small incisions and deep orbits, emphasizing the importance of the surgical field of view. The success rate of surgery is greatly increased by minimizing the appearance of a tumor without obscuring the view of the observation and manipulation of the tumor from the incision. However, under the premise of limited space and incision, no instrument can change the shape of the tumor from a round shape to a flat shape or a long shape at present, so that the development of an instrument capable of changing the shape of the tumor is urgently needed.

Disclosure of Invention

The invention aims to provide an eye tumor extractor, which can change the shape of a circular tumor and put the circular tumor into a tube so as to enlarge the visual field range of doctors and increase the success rate of operations.

The invention provides an eye tumor extractor which comprises tumor extracting forceps and a sleeve, wherein the sleeve is sleeved on the tumor extracting forceps, the tumor extracting forceps comprise forceps handles, forceps rods and forceps heads, the two forceps handles are rotatably connected through a rotating shaft, the two forceps handles are respectively connected with one forceps rod, one forceps head is arranged at the end part of each forceps rod, the forceps heads on the two forceps rods are oppositely arranged, and the end parts of the forceps heads are provided with engaging teeth.

In the ocular tumor extractor, preferably, the sleeve is of a hollow cylindrical tube structure, two guide mechanisms arranged oppositely are arranged on the inner wall of the sleeve, and two ends of the rotating shaft are respectively in sliding fit with the two guide mechanisms.

In the aforementioned ocular tumor extractor, preferably, the guide mechanism includes a first guide rod and a second guide rod, the first guide rod and the second guide rod are arranged in parallel, axes of the first guide rod and the second guide rod are both parallel to an axis of the cannula, and a guide chute is formed between the first guide rod and the second guide rod.

In the ocular tumor extractor, preferably, the rotating shaft is a cylindrical hollow shaft, a spring is installed in the rotating shaft, two ends of the spring are respectively provided with a ball, two ends of the rotating shaft are respectively provided with a cap, and the cap is provided with a ball limiting hole.

In the ocular tumor extractor, preferably, the outer wall of the rotating shaft is provided with threads, the rotating shaft is screwed with two limiting blocking pieces, and the connecting parts of the two forceps handles and the rotating shaft are located between the two limiting blocking pieces.

In the above-mentioned ocular tumor extractor, preferably, the occlusion teeth are wave-shaped teeth, and the occlusion teeth on the two forceps heads are arranged in a staggered manner.

In the ocular tumor extractor, preferably, a trumpet-shaped transition cover is arranged at one end of the sleeve close to the forceps head, and an end face of the trumpet-shaped transition cover is of a spherical structure.

Compared with the prior art, the invention comprises a tumor taking clamp and a sleeve, wherein the sleeve is sleeved on the tumor taking clamp, the tumor taking clamp comprises clamp handles, clamp rods and clamp heads, the two clamp handles are rotatably connected through a rotating shaft, the two clamp handles are respectively connected with one clamp rod, the end part of each clamp rod is provided with one clamp head, the clamp heads on the two clamp rods are oppositely arranged, and the end parts of the clamp heads are provided with occlusion teeth. During the use, cup joint the sleeve pipe on getting tumour pincers, then expose the binding clip, the tumour is carried to the binding clip that uses to get tumour pincers, then slowly push away the sleeve pipe with another hand, make the binding clip gradually toward the intraductal shrink of cover, along with sheathed tube removal, the tumour is slowly extruded to the sheathed tube tip mouth of pipe, makes the tumour of sphericity warp gradually, finally in being dragged into the sleeve pipe, because the diameter of sleeve pipe is less than the diameter of tumour, the tumour has increased doctor's field of vision scope after being dragged into the sleeve pipe, has greatly increased the success rate of operation.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is an isometric view of the knob removing forceps;

FIG. 3 is a half sectional view of the cannula;

fig. 4 is an exploded view of the spindle.

Description of reference numerals: 1-tumor taking forceps, 2-sleeve, 3-forceps handle, 4-forceps rod, 5-forceps head, 6-meshing tooth, 7-first guide rod, 8-second guide rod, 9-guide chute, 10-spring, 11-ball, 12-ball limiting hole, 13-limiting baffle, 14-rotating shaft, 15-cover cap, 16-horn-shaped transition cover and 17-push rod.

Detailed Description

The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.

The embodiment of the invention comprises the following steps: as shown in fig. 1-4, an eye tumor taking device comprises a tumor taking clamp 1 and a sleeve 2, wherein the sleeve 2 is sleeved on the tumor taking clamp 1, the tumor taking clamp 1 comprises clamp handles 3, clamp rods 4 and clamp heads 5, the clamp rods 4 are long rod-shaped structures, when the two clamp rods 4 are in a parallel state, the outer walls of the two clamp rods 4 are abutted to the inner wall of the sleeve 2, the diameter of the sleeve 2 can be made as small as possible by adopting the design, the two clamp handles 3 are rotatably connected through a rotating shaft 14, the two clamp rods 4 are respectively connected to the two clamp handles 3, one clamp head 5 is arranged at the end of each clamp rod 4, the clamp heads 5 on the two clamp rods 4 are oppositely arranged, and the ends of the clamp heads 5 are provided with occlusion teeth 6.

When the tumor taking clamp is used, a tumor taking clamp 1 is inserted into a sleeve 2, then the working ends of the tumor taking clamp and the sleeve are inserted into the position of a tumor of an eye, the tumor taking clamp 1 is retreated forwards, a clamp head 5 of the tumor taking clamp 1 extends out of the sleeve 2, a clamp handle 3 of the tumor taking clamp 1 is operated by one hand, two clamp heads 5 are occluded and clamp the tumor, after the tumor is clamped, the sleeve 2 is slowly pushed by the other hand, in order to facilitate the operation, a group of push rods 17 which are symmetrically arranged relative to the axis of the sleeve 2 can be arranged on the outer wall of the sleeve 2, and the force can be conveniently controlled by a doctor by arranging the push rods 17. As the sleeve 2 is slowly pushed forwards, the forceps head 5 is gradually retracted into the sleeve 2, the tumor is gradually deformed after contacting with the port of the sleeve 2 and is slowly dragged into the sleeve 2, and the tumor is dragged into the sleeve 2 to enlarge the visual field range of a doctor and enable the doctor to perform an operation more conveniently, thereby increasing the success rate of the operation.

It should be noted that the diameter of the cannula 2 and the size of the tumor-removing forceps 1 can be selected according to the diameter of the eye tumor, the specifications of the cannula 2 and the tumor-removing forceps 1 are various, and when the specifications are specifically selected, the outer diameter of the cannula 2 should be smaller than the maximum diameter of the tumor to be treated.

In a specific embodiment, the casing 2 is a hollow cylindrical tube structure, and two oppositely arranged guide mechanisms are arranged on the inner wall of the casing 2, and two ends of the rotating shaft 14 are respectively in sliding fit with the two guide mechanisms.

Wherein guiding mechanism includes first guide bar 7 and second guide bar 8, and first guide bar 7 and second guide bar 8 parallel arrangement, and the axis of the two is all parallel with the axis of sleeve pipe 2, forms guide chute 9 between first guide bar 7 and the second guide bar 8.

Through the setting of direction spout 9, make the both ends position of pivot 14 receive the restriction, make and get the centre of rotation of pincers handle 3 on the tumour pincers 1 and lie in the axis of sleeve pipe 2 all the time, adopt this kind of structural design, when operating sleeve pipe 2, can make the tumour can enter into sleeve pipe 2 evenly, also can solve and get tumour pincers 1 and do not have the impetus for sleeve pipe 2 and lead to the two problem of being difficult to the complex. It should be noted that the overall length of the sleeve 2 should be less than the length of the jawset 4.

Further, the rotating shaft 14 is a cylindrical hollow shaft, a spring 10 is installed in the rotating shaft 14, two ends of the spring 10 are respectively provided with a ball 11, two ends of the rotating shaft 14 are respectively provided with a cap 15, and the cap 15 is provided with a ball limiting hole 12. The arrangement of the spring 10 and the ball 11 enables the rotating shaft 14 to move smoothly relative to the sleeve 2, and prevents the clamping of the two to influence the operation.

In a preferred embodiment, the outer wall of the rotating shaft 14 is provided with threads, two limit baffles 13 are screwed on the rotating shaft 14, and the connecting part of the two forceps handles 3 and the rotating shaft 14 is positioned between the two limit baffles 13. The tightness of the forceps handle 3 can be adjusted through the two limit stop sheets 13. In addition, in order to improve the stability of the tumor taking forceps 1 in biting the tumor and prevent the tumor from falling off, the occlusion teeth 6 in the embodiment are wave-shaped teeth, and the occlusion teeth 6 on the two forceps heads 5 are arranged in a staggered mode.

In addition, a horn-shaped transition cover 16 is arranged at one end of the sleeve 2 close to the binding clip 5, and the end face of the horn-shaped transition cover 16 is of a spherical structure. The shape of the tumor can be better changed by arranging the horn-shaped transition cover 16, so that the shape of the tumor can be changed slowly, and the tumor can be prevented from being broken.

The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.

Claims

1. The utility model provides an eye tumor extractor, includes tumor extracting pincers (1), its characterized in that: still include sleeve pipe (2), sleeve pipe (2) cup joint get on tumour pincers (1), get tumour pincers (1) including pincers handle (3), binding clip (4) and binding clip (5), two pincers handle (3) are through pivot (14) rotatable coupling, two be connected with one respectively on pincers handle (3) binding clip (4), every the tip of binding clip (4) all is provided with one binding clip (5), two on binding clip (4) binding clip (5) set up relatively, the tip of binding clip (5) has interlock tooth (6).

2. The ocular tumor extractor of claim 1, wherein: the sleeve (2) is of a hollow cylindrical tube structure, two oppositely-arranged guide mechanisms are arranged on the inner wall of the sleeve (2), and two ends of the rotating shaft (14) are in sliding fit with the two guide mechanisms respectively.

3. The ocular tumor extractor of claim 2, wherein: the guide mechanism comprises a first guide rod (7) and a second guide rod (8), the first guide rod (7) and the second guide rod (8) are arranged in parallel, the axes of the first guide rod and the second guide rod are parallel to the axis of the sleeve (2), and a guide sliding groove (9) is formed between the first guide rod (7) and the second guide rod (8).

4. The ocular tumor extractor of claim 3, wherein: the improved bearing is characterized in that the rotating shaft (14) is a cylindrical hollow shaft, a spring (10) is installed in the rotating shaft (14), two ends of the spring (10) are respectively provided with a ball (11), two ends of the rotating shaft (14) are respectively provided with a cap (15), and a ball limiting hole (12) is formed in each cap (15).

5. The ocular tumor extractor of claim 4, wherein: the outer wall of the rotating shaft (14) is provided with threads, the rotating shaft (14) is connected with two limiting blocking pieces (13) in a threaded mode, and the connecting portion of the two forceps handles (3) and the rotating shaft (14) is located between the two limiting blocking pieces (13).

6. The ocular tumor extractor of claim 1, wherein: the occlusion teeth (6) are wave-shaped teeth, and the occlusion teeth (6) on the two forceps heads (5) are arranged in a staggered mode.

7. The ocular tumor extractor of claim 1, wherein: one end of the sleeve (2) close to the tong head (5) is provided with a horn-shaped transition cover (16), and the end face of the horn-shaped transition cover (16) is of a spherical structure.