CN213030726U

CN213030726U - Cervix biopsy forceps with good cutting effect

Info

Publication number: CN213030726U
Application number: CN202021029888.9U
Authority: CN
Inventors: 姚建南; 陆亚明
Original assignee: Changzhou Chentao Medical Devices Co ltd
Current assignee: Changzhou Chentao Medical Devices Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-23
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to a cervix biopsy forceps with good cutting effect, which relates to the technical field of cervix biopsy forceps and comprises a fixed handle, wherein one end of the fixed handle is respectively provided with an upper forceps head and a lower forceps head from top to bottom, the upper forceps head is rotationally connected with the fixed handle through a rotating shaft, the opposite surfaces of the upper forceps head and the lower forceps head are respectively provided with a cutting edge which is matched with each other, after the upper forceps head rotates towards the lower forceps head, the two cutting edges are abutted, and the thickness of the cutting edge is 0.1 mm to 0.2 mm; and the fixed handle is also provided with a driving device for driving the upper tong head to rotate. The utility model provides an it is relatively poor with binding clip cutting capacity down to go up the binding clip, need just can take out the live body through dragging, causes the problem of secondary injury to patient, and the cutting effect who has last binding clip and binding clip is good down, is difficult for causing the effect of secondary injury to patient.

Description

Cervix biopsy forceps with good cutting effect

Technical Field

The utility model belongs to the technical field of the technique of cervix biopsy forceps and specifically relates to a cervix biopsy forceps with good cutting effect.

Background

Cervical biopsy is a biopsy of the cervix, i.e., a small piece or pieces of tissue is taken from the cervix for pathological examination to determine a diagnosis. Cervical biopsy procedures are simple. After the vulva, vagina and cervix are disinfected, a special cervix biopsy forceps is used to take several small pieces of tissue according to the pathological change part and requirements of uterus.

Chinese patent with publication number CN209252958U discloses a cervical biopsy forceps, which comprises a fixed handle, a movable handle, an upper forceps head, a draw bar and a hollow outer tube, wherein the tail end of the outer tube is arranged on the fixed handle, the head end of the outer tube is fixed with a lower forceps head, the fixed handle is hinged with the movable handle, the draw bar is inserted in the outer tube, one end of the draw bar is movably connected with the movable handle, the other end of the draw bar is hinged with the upper forceps head, the upper forceps head is also hinged with the lower forceps head, and the part of the movable handle held by fingers is provided with a widening cushion plate. The cervical biopsy forceps can increase the contact area between the fingers and the movable handle, so that the pressure on the movable handle is reduced, the force applied by the movable handle to the fingers is reduced, and the comfort level of a doctor in use is improved.

However, when the upper tong head and the lower tong head are used for cutting, the situation that the living body cannot be completely cut off easily occurs because the cutting surface is thick, and the living body needs to be torn off by pulling when the tong body is taken out, so that secondary damage is caused to a patient, and the patient is further painful.

SUMMERY OF THE UTILITY MODEL

According to the deficiency that prior art exists, the utility model aims at providing a cervix living body pincers that cutting effect is good, it is better to have the living body and cut off the effect, does not have the effect of secondary injury to patient.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a cervix biopsy forceps with a good cutting effect comprises a fixed handle, wherein one end of the fixed handle is respectively provided with an upper forceps head and a lower forceps head from top to bottom, the upper forceps head is rotatably connected with the fixed handle through a rotating shaft, opposite surfaces of the upper forceps head and the lower forceps head are respectively provided with a cutting edge which is matched with each other, after the upper forceps head rotates towards the lower forceps head, the two cutting edges are abutted, and the thickness of the cutting edge is 0.1 mm to 0.2 mm;

and the fixed handle is also provided with a driving device for driving the upper tong head to rotate.

Through adopting above-mentioned technical scheme, half last binding clip rotates the back towards binding clip down, and the cutting blade butt of the cutting blade of last binding clip and binding clip down cuts off the live body, and during the cutting of two thinner cutting blades, because of the cutting blade is thinner, so pressure is great, and cutting capacity is stronger, can once cut off the live body, need not to drag after the cutting, reduces the possibility that causes the secondary damage to patient.

The present invention may be further configured in a preferred embodiment as: a living body cavity is arranged in the lower forceps head, and a support rod is arranged in the living body cavity.

Through adopting above-mentioned technical scheme, go up binding clip and cut the back with the live body down, store in the live body intracavity, the stock is fixed a position and is fixed the live body this moment, reduces the possibility that the live body takes place the skew.

The present invention may be further configured in a preferred embodiment as: the upper tong head and the lower tong head are spliced into a hemisphere shape.

Through adopting above-mentioned technical scheme, hemispherical last binding clip and lower binding clip, compare in squarely, the incision of the former is more slick and sly, reduces the possibility that once cutting can not cut off.

The present invention may be further configured in a preferred embodiment as: the driving device comprises a pull rod, the pull rod slides in the fixed handle, a gear is fixedly connected to the rotating shaft, and a rack meshed with the gear is arranged on the pull rod.

By adopting the technical scheme, the pull rod is pulled, the pull rod drives the rack to move, the rack drives the gear to rotate, the rotating shaft is rotated, the upper tong head is driven to rotate, and the living body is cut and loosened; compared with the common connecting rod transmission, the gear has higher transmission efficiency, and the cutting effect of the upper binding clip and the lower binding clip is better.

The present invention may be further configured in a preferred embodiment as: keep away from on the fixed handle the one end of going up the binding clip articulates there is movable handle, the draw-groove has been seted up along its length direction at movable handle's top, the pull rod is kept away from the one end of rack is located the draw-groove, and follows movable handle's width direction is equipped with the kelly relatively, then follows on the both sides wall of draw-groove movable handle's length direction is equipped with the confession the kidney slot that the kelly card was gone into.

By adopting the technical scheme, when the palm holds the fixed handle and the movable handle, the movable handle rotates around the hinged point to drive the clamping rod to move, and the clamping rod drives the pull rod to move, so that the upper tong head is closed and opened; meanwhile, due to the arrangement of the kidney-shaped groove, when the movable handle rotates, the clamping rod can move in the kidney-shaped groove, displacement compensation is carried out on the rotation of the movable handle, and the possibility that the pull rod is bent or even broken due to the rotation of the movable handle is reduced.

The present invention may be further configured in a preferred embodiment as: the rotating shaft is rotatably connected with a rotating sleeve.

Through adopting above-mentioned technical scheme, the cover is convenient for the kelly to slide in the kidney slot, reduces because of the frictional force between the lateral wall in kelly and kidney slot is too big for the kelly blocks a certain point on the lateral wall in kidney slot, and then leads to the crooked cracked possibility even of pull rod.

The present invention may be further configured in a preferred embodiment as: the fixed handle orientation the movable handle is equipped with first reed, the movable handle orientation the fixed handle is equipped with the second reed, the first reed is kept away from the one end of fixed handle with the second reed is kept away from the one end of movable handle is articulated.

Through adopting above-mentioned technical scheme, the elasticity of first reed and second reed for the bottom of movable handle and fixed handle is in the state of opening all the time, and the operating personnel of being convenient for uses.

The present invention may be further configured in a preferred embodiment as: and the bottom of the fixed handle and the bottom of the movable handle are both provided with anti-slip pads.

Through adopting above-mentioned technical scheme, promote the comfort that operating personnel held when taking, and then promote the smoothness degree that operating personnel operated, promote sampling efficiency.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the arrangement of the cutting edges matched with the upper tong head and the lower tong head can improve the cutting capability of the upper tong head and the lower tong head, and reduce the possible effects of pulling after cutting and causing secondary injury to patients;

2. through the arrangement of the pull rod, the rack, the gear and the rotating shaft, the reciprocating movement of the pull rod can be realized, the upper tong head is driven to rotate back and forth, and the effect of improving the cutting rapidness of the upper tong head is improved;

3. through the setting of kelly, kidney-shaped groove and commentaries on classics cover, can play and reduce because of the activity handle rotates, and the unable rotation of pull rod leads to the crooked even cracked possible effect of pull rod.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole in this embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure, 1, a handle is fixed; 11. an upper binding clip; 111. a cutting edge; 112. a living body cavity; 1121. a support rod; 113. a rotating shaft; 1131. a gear; 12. a drive device; 121. a pull rod; 1211. a rack; 1212. a clamping rod; 1213. rotating the sleeve; 13. a first reed; 131. a card; 14. a lower binding clip; 2. a movable handle; 21. groove drawing; 211. a kidney-shaped groove; 22. a second reed; 221. a card slot; 23. a non-slip mat.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, for the utility model discloses a cervix biopsy forceps with good cutting effect, including mutual articulated fixed handle 1 and movable handle 2, the one end top-down that movable handle 2 was kept away from to fixed handle 1 is equipped with binding clip 11 and lower binding clip 14 respectively, goes up binding clip 11 and is connected through pivot 113 and fixed handle 1 rotation, and lower binding clip 14 then with fixed handle 1 integrated into one piece. The fixed handle 1 is also provided with a driving device 12 for driving the rotating shaft 113 to rotate, so as to drive the upper binding clip 11 to rotate, and when the upper binding clip 11 is abutted against the lower binding clip 14, the living body can be cut and sampled. The driving device 12 is further connected with the top of the movable handle 2, and when the bottoms of the movable handle 2 and the fixed handle 1 are tightly held, the upper tong head 11 can be driven to rotate towards the lower tong head 14, so that the combination is completed, and the cutting is realized.

Referring to fig. 2 and 3, the driving device 12 includes a rod 121, the rod 121 slides in the fixed handle 1, a gear 1131 is fixedly connected to the shaft 113, and a rack 1211 engaged with the gear 1131 is fixedly connected to the rod 121. The pull rod 121 moves, the rack 1211 moves, and the gear 1131 is driven to rotate, and the gear 1131 drives the rotating shaft 113 and the upper tong head 11 to rotate. In order to pull or push the pull rod 121, the top of the movable handle 2 is provided with a pull groove 21 along the length direction thereof, one end of the pull rod 121 far away from the rack 1211 extends into the pull groove 21, and a clamping rod 1212 is oppositely arranged along the width direction of the movable handle 2, the clamping rod 1212 is fixedly connected with the pull rod 121, two side walls of the pull groove 21 are provided with a waist-shaped groove 211 for the clamping rod 1212 to be clamped in, and the waist-shaped groove 211 is arranged along the length direction of the movable handle 2. When the movable handle 2 rotates around the hinge point, the pull rod 121 is pulled or pushed to move, but the pull rod 121 can only slide along the length direction of the fixed handle 1, and is difficult to adapt to the movement along the length direction of the movable handle 2, and the arrangement of the waist-shaped groove 211 and the clamping rod 1212 can compensate for the movement, when the movable handle 2 rotates, the pull rod 121 is pulled, and the clamping rod 1212 moves along the length direction of the movable handle 2 in the waist-shaped groove 211, so that the possibility that the pull rod 121 is broken by pulling is reduced. In order to facilitate the movement of the locking rod 1212 in the slot 211, a rotating sleeve 1213 is rotatably connected to the rotating rod, and the rotating sleeve 1213 abuts against the side wall of the slot 211.

Referring to fig. 1 and 3, the bottom of the rotary fixed handle 1 is provided with a first reed 13 towards the movable handle 2, the bottom of the movable handle 2 is provided with a second reed 22 towards the fixed handle 1, the first reed 13 is integrally formed with a card 131 at one end far away from the fixed handle 1, a clamping groove 221 for clamping the card 131 is formed at one end of the second reed 22 far away from the movable handle 2, and the card 131 is hinged to two side walls of the clamping groove 221. The elasticity of the first spring leaf 13 and the second spring leaf 22 enables the bottoms of the movable handle 2 and the fixed handle 1 to be always in an open state, and when an operator uses the clamp, the bottom of the fixed handle 1 and the bottom of the movable handle 2 do not need to be manually separated, so that the clamp is convenient for the operator to use. The first spring plate 13 and the second spring plate 22 can be made of spring steel. In order to further improve the comfort of the operator, the parts for the operator to hold on the bottom of the fixed handle 1 and the bottom of the movable handle 2 are provided with anti-slip pads 23, and the anti-slip pads 23 are made of rubber, so that the friction force between the anti-slip pads and the skin of the operator can be increased.

Referring to fig. 2, in order to improve the cutting ability of the upper tong head 11 and the lower tong head 14, the upper tong head 11 and the lower tong head 14 are both provided with cutting edges 111 which are adapted to each other, and when the upper tong head 11 and the lower tong head 14 are closed, the two cutting edges 111 are abutted to each other to realize cutting. The thickness of the cutting edge 111 is 0.1 mm to 0.2 mm, 0.1 mm being taken in this embodiment. Because the cutting edge 111 is thinner, the pressure intensity is larger, the cutting capability is stronger, the living body can be cut off at one time, the pulling is not needed after the cutting, and the possibility of causing secondary injury to the patient is reduced. The upper tong head 11 and the lower tong head 14 are both in a quarter-sphere shape, and when the upper tong head 11 and the lower tong head 14 are folded, a semi-sphere shape is formed. Such setting makes cutting edge 111 be circular-arc, compares in the cutting edge 111 that has the edge angle, and circular-arc cutting edge 111 cuts more smoothly, and the cutting effect is better, and the cutting edge 111 that takes the edge angle easily appears not the circumstances of cutting off in the corner. A living body cavity 112 is arranged in the lower forceps head 14 and is used for storing the cut living body, and a supporting rod 1121 is arranged in the living body cavity 112 and is used for positioning and fixing the living body

The implementation process of the embodiment is as follows: an operator holds the bottoms of the fixed handle 1 and the movable handle 2, extends the upper forceps head 11 and the lower forceps head 14 into a cervix of a patient, finds a proper position, grasps the bottoms of the fixed handle 1 and the movable handle 2 with a palm, rotates the top of the movable handle 2 towards one side far away from the fixed handle 1, pulls the pull rod 121 and the rack 1211 to move along the direction far away from the upper forceps head 11, the gear 1131 is meshed with the rack 1211, drives the upper forceps head 11 to move towards the direction of the lower forceps head 14, closes the upper forceps head 11 and the cutting edge 111 of the lower forceps head 14, cuts off a living body, and stores the living body in the living body cavity 112. Then the upper forceps head 11 and the lower forceps head 14 are withdrawn from the cervix, the operator loosens the bottoms of the fixed handle 1 and the movable handle 2, the first spring piece 13 and the second spring piece 22 loosen the bottoms of the fixed handle 1 and the movable handle 2 by virtue of the elasticity of the operator, the upper forceps head 11 is separated from the lower forceps head 14, and the living body is placed into a test tube.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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 effectual cervix biopsy forceps of cutting, includes fixed handle (1), its characterized in that: an upper tong head (11) and a lower tong head (14) are respectively arranged at one end of the fixed handle (1) from top to bottom, the upper tong head (11) is rotatably connected with the fixed handle (1) through a rotating shaft (113), the opposite surfaces of the upper tong head (11) and the lower tong head (14) are respectively provided with a cutting edge (111) which is matched with the upper tong head, after the upper tong head (11) rotates towards the lower tong head (14), the two cutting edges (111) are abutted, and the thickness of the cutting edge (111) is 0.1 mm to 0.2 mm;

the fixed handle (1) is also provided with a driving device (12) for driving the upper tong head (11) to rotate.

2. The biopsy forceps for cervix uteri of claim 1, wherein the forceps comprise: a living body cavity (112) is arranged in the lower forceps head (14), and a supporting rod (1121) is arranged in the living body cavity (112).

3. The biopsy forceps for cervix uteri of claim 1, wherein the forceps comprise: the upper tong head (11) and the lower tong head (14) are spliced into a hemisphere shape.

4. The biopsy forceps for cervix uteri of claim 1, wherein the forceps comprise: the driving device (12) comprises a pull rod (121), the pull rod (121) slides in the fixed handle (1), a gear (1131) is fixedly connected to the rotating shaft (113), and a rack (1211) meshed with the gear (1131) is arranged on the pull rod (121).

5. The biopsy forceps for cervix uteri of claim 4, wherein the forceps for cervix uteri comprises: keep away from on fixed handle (1) the one end of going up binding clip (11) articulates there is activity handle (2), draw groove (21) have been seted up along its length direction at the top of activity handle (2), pull rod (121) are kept away from the one end of rack (1211) is located draw groove (21), and follows the width direction of activity handle (2) is equipped with kelly (1212) relatively, then follows on the both sides wall of draw groove (21) the length direction of activity handle (2) is equipped with the confession kidney slot (211) that kelly (1212) card was gone into.

6. The biopsy forceps for cervix uteri of claim 5, wherein the forceps comprise: the rotating shaft (113) is rotatably connected with a rotating sleeve (1213).

7. The biopsy forceps for cervix uteri of claim 5, wherein the forceps comprise: the bottom of fixed handle (1) is faced movable handle (2) is equipped with first reed (13), the bottom of movable handle (2) is faced fixed handle (1) is equipped with second reed (22), keep away from first reed (13) the one end of fixed handle (1) with second reed (22) are kept away from the one end of movable handle (2) is articulated.

8. The biopsy forceps for cervix uteri of claim 5, wherein the forceps comprise: and the bottoms of the fixed handle (1) and the movable handle (2) are provided with anti-slip pads (23).