CN210843198U

CN210843198U - Novel biopsy forceps

Info

Publication number: CN210843198U
Application number: CN201920947871.2U
Authority: CN
Inventors: 徐蓓蓓; 黄�益
Original assignee: Wenzhou Peoples Hospital
Current assignee: Wenzhou Peoples Hospital
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-26
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a novel biopsy forceps, its technical scheme main points are that the holder subassembly is equipped with the protective sheath that is used for keeping apart outward, the protective sheath is including the holder subassembly suit, and upwards extend along the pipe, first pincers sword block is on first pincers seat, second pincers sword block is on second pincers seat, when drawing the sliding sleeve to handheld ring, the acting as go-between removes and drags first connecting plate and second connecting plate along the sliding sleeve, make first pincers seat and second pincers seat rotate in opposite directions, biopsy tissue is got to first cutting edge and second cutting edge cooperation clamp, first pincers groove and second pincers groove closure are the sealed capsule-shaped that can hold biopsy tissue. The utility model discloses following beneficial effect has: the biopsy tissue is separated out through the cooperation of first cutting edge and second cutting edge, and the cutting edge is convenient and easy to use, and it is incomplete to be difficult to take place to separate, drags to lead to enlarging the wound that the cutting was come out. The cavity formed by the closed forceps grooves is used for accommodating and protecting the separated biopsy tissue until the biopsy tissue is taken out, so that the biopsy result is prevented from being polluted and causing errors.

Description

Novel biopsy forceps

Technical Field

The utility model relates to a medical instrument, more specifically say, it relates to a novel biopsy forceps.

Background

The biopsy forceps are endoscopic accessories for directly operating the mucous membrane tissues of the organism. When the endoscope examination needs to obtain pathological biopsy, the biopsy forceps are an indispensable tool. However, most of the conventional biopsy forceps do not avoid the exposure of the biopsy tissue, or the biopsy tissue is directly torn off, the biopsy forceps enter from the working channel of the endoscope, and the conventional biopsy tissue exits from the working channel and is polluted by the mixed bacteria in the working channel, so that other tissues of the human body or the mixed bacteria in the working channel are polluted difficultly when the biopsy tissue is taken out. Many people use biopsies for examination and even for research purposes, and in order to obtain accurate results it is necessary to exclude various disturbances, especially contamination of the biopsies may lead to deviations in the results. When a conventional biopsy forceps are used for operation to obtain a biopsy, the obtained biopsy is inevitably contaminated.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a novel biopsy forceps can avoid the biopsy tissue to receive the pollution.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel biopsy forceps comprises a handheld ring, a handle, a sliding sleeve, a catheter and a pull wire, wherein the handheld ring is fixed at one end of the handle, the other end of the handle is connected to the catheter, the handle is cylindrical, a sliding groove is formed in the cylinder wall of the handle, the sliding sleeve is sleeved on the handle, the pull wire is arranged in the catheter and the handle, one end of the pull wire is connected with the sliding sleeve through the sliding groove, one end of the catheter is connected with a forceps frame assembly, the forceps frame assembly comprises a mounting seat, a first forceps seat, a second forceps seat, a first connecting plate and a second connecting plate, the mounting seat is connected to the catheter, the first forceps seat and the second forceps seat are symmetrically and rotatably connected to the mounting seat, one end of the first connecting plate is connected with the pull wire, the other end of the first connecting plate is hinged to the first forceps seat, one end of the second connecting plate is connected with the pull wire, the other end of the second connecting plate, the protective sheath is with the pincers frame subassembly suit including to upwards extend along the pipe, the protective sheath is equipped with first pincers sword and second pincers sword outward, first pincers sword block is on first pincers seat, second pincers sword block is on the second pincers seat, first pincers sword is equipped with first cutting edge and first pincers groove, the second pincers sword is equipped with second cutting edge and second pincers groove, when pulling the sliding sleeve to handheld ring, the acting as go-between removes and drags first connecting plate and second connecting plate along with the sliding sleeve, make first pincers seat and second pincers seat rotate in opposite directions, first cutting edge and second cutting edge cooperation clamp get biopsy tissue, first pincers groove and second pincers groove closure are the sealed capsule-type that can hold biopsy tissue.

The utility model discloses further set up to: the first clamp seat is provided with a first groove, a first protruding belt is arranged in the first groove, the first clamp knife is provided with a first clamping groove matched with the first protruding belt, the first clamp knife is clamped into the first groove at a distance from the protective sleeve, the second clamp seat is provided with a second groove, a second protruding belt is arranged in the second groove, the second clamp knife is provided with a second clamping groove matched with the second protruding belt, and the second clamp knife is clamped into the second groove at a distance from the protective sleeve.

The utility model discloses further set up to: the first pincers seat still is equipped with first communications port and first hole, the second pincers seat still is equipped with second communications port and second hole, the other end of mount pad still is equipped with pincers seat axle, pincers seat axle passes first hole and second hole, make first pincers seat and second pincers seat all rotate to be connected epaxially at the pincers seat, first communications port articulates on first connecting plate, the second communications port articulates on the second connecting plate, the other end of acting as go-between is equipped with the connecting axle, act as go-between and be connected with the both ends of connecting axle, first connecting plate is equipped with the third hole, the second connecting plate is equipped with the fourth hole, the connecting axle passes third hole and fourth hole, make first connecting plate and second connecting plate all rotate the connecting axle and connect on the connecting axle.

The utility model discloses further set up to: the one end of pipe is equipped with the external screw thread, and the one end of mount pad is equipped with the screw hole with the external screw thread adaptation, and mount pad threaded connection can adjust the position of relative pipe on the pipe, and the angle between first pincers seat and the second pincers seat is changed to the distance between control connecting axle and the pincers seat axle.

The utility model discloses further set up to: the handheld ring is an oval ring, the handle is vertically fixed on the side edge of the handheld ring, an annular groove suitable for clamping fingers is formed in the middle of the sliding sleeve, the sliding sleeve is connected with an embedding block, the embedding block penetrates through a sliding groove to be connected with a pull wire, the mounting seat is provided with a mounting groove, a threaded hole is formed in the bottom surface of the mounting groove, the clamp seat shaft is arranged in the mounting groove, a fifth hole used for ejecting a first clamp knife is formed in the inner wall of the first groove, and a sixth hole used for ejecting a second clamp knife is formed in the inner wall of the second groove.

The utility model discloses further set up to: the protective sleeve is made of a plastic film.

To sum up, the utility model discloses following beneficial effect has: the protective sleeve is only required to be sleeved on an endoscope or a biopsy forceps in each use, the first forceps knife and the second forceps knife on the protective sleeve are respectively clamped into the first forceps seat and the second forceps seat, and after biopsy tissues are obtained by the forceps clip, the biopsy tissues are stored in a sealed mode through the forceps grooves and separated from other pollution sources, so that the pollution sources are prevented from contacting with the biopsy tissues, and the possibility of pollution to the biopsy tissues is avoided. When taking out the biopsy tissue, the protective sheath drops down naturally and protects first pincers sword and second pincers sword wherein, breaks away from human body and working hole way after, unclamps the binding clip, takes off the protective sheath, and first pincers sword and second pincers sword are taken off in the same direction as the area, are taken out biopsy tissue wherein, simple structure, and convenient to use, biopsy tissue are difficult to receive the pollution. When the biopsy forceps are closed, the biopsy tissue is separated out through the matching of the first cutting edge and the second cutting edge, the cutting edges are convenient and easy to use, incomplete separation is not easy to occur, and the wound cut by the biopsy forceps is enlarged due to dragging. The cavity formed by the first forceps groove and the second forceps groove in a closed mode is used for containing and protecting the separated biopsy tissue until the biopsy tissue is taken out, the completeness of the biopsy tissue is kept, and the biopsy result error caused by pollution is avoided.

Drawings

FIG. 1 is a schematic structural view of a novel bioptome;

FIG. 2 is a perspective view of the novel bioptome;

FIG. 3 is a perspective view of a mounting base of the novel biopsy forceps;

FIG. 4 is a perspective view of a frame assembly of the novel biopsy forceps;

FIG. 5 is a schematic view of a first forceps-blade structure of the novel biopsy forceps;

fig. 6 is a structural schematic diagram of a second forceps-knife of the novel biopsy forceps.

Reference numerals: 1. a caliper frame assembly; 11. a first connecting plate; 111. a third aperture; 12. a first caliper mount; 121. A first groove; 122. a first inclined arm; 123. a first hole; 124. a first raised strip; 125. a fifth aperture; 13. a first tong cutter; 131. a first blade; 132. a first clamp groove; 133. a first raised strip; 14. a second connecting plate; 141. a fourth aperture; 15. a second caliper mount; 151. a second groove; 152. a second inclined arm; 153. A second hole; 154. a second raised strip; 155. a sixth hole; 16. a second tong cutter; 161. a second blade; 162. a second clamp groove; 163. a second engaging groove; 2. a mounting seat; 21. a threaded hole; 22. a jaw shaft; 3. A protective sleeve; 4. a conduit; 41. an external thread; 5. a pull wire; 51. a connecting shaft; 6. a handle; 61. a cylinder wall; 62. a chute; 7. a sliding sleeve; 71. embedding a block; 72. an annular groove; 8. a hand ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-6, a novel biopsy forceps comprises a hand-held ring 8, a handle 6, a sliding sleeve 7, a catheter 4 and a pull wire 5, wherein the hand-held ring 8 is fixed at one end of the handle 6, the other end of the handle 6 is connected to the catheter 4, the handle 6 is cylindrical, a sliding groove 62 is arranged on a cylindrical wall 61 of the handle 6, the sliding sleeve 7 is sleeved on the handle 6, the pull wire 5 is arranged in the catheter 4 and the handle 6, one end of the pull wire 5 is connected with the sliding sleeve 7 through the sliding groove 62, one end of the catheter 4 is connected with a forceps holder assembly 1, the forceps holder assembly 1 comprises a mounting seat 2, a first forceps seat 12, a second forceps seat 15, a first connecting plate 11 and a second connecting plate 14, the mounting seat 2 is connected to the catheter 4, the first forceps seat 12 and the second forceps seat 15 are symmetrically and rotatably connected to the mounting seat 2, one end of the first connecting plate 11 is connected with the pull wire 5, the, one end of the second connecting plate 14 is connected with the pull wire 5, the other end of the second connecting plate 14 is hinged on the second forceps seat 15, a protective sleeve 3 for isolation is arranged outside the forceps holder component 1, the forceps holder component 1 is sleeved in the protective sleeve 3, and extends upwards along the catheter 4, the protective sleeve 3 is externally provided with a first forceps knife 13 and a second forceps knife 16, the first forceps knife 13 is clamped on the first forceps base 12, the second forceps knife 16 is clamped on the second forceps base 15, the first forceps knife 13 is provided with a first blade 131 and a first forceps groove 132, the second forceps knife 16 is provided with a second blade 161 and a second forceps groove 162, when the sliding sleeve 7 is pulled towards the hand-held ring 8, the pull wire 5 moves along with the sliding sleeve 7 and pulls the first connecting plate 11 and the second connecting plate 14, so that the first forceps holder 12 and the second forceps holder 15 rotate towards each other, the first blade 131 and the second blade 161 cooperate to take the biopsy tissue, and the first forceps slot 132 and the second forceps slot 162 are closed to form a sealed capsule for containing the biopsy tissue.

Through the scheme, when the protective sleeve is used every time, the protective sleeve 3 is only required to be sleeved on an endoscope or biopsy forceps, the first forceps knife 13 and the second forceps knife 16 on the protective sleeve 3 are respectively clamped into the first forceps seat 12 and the second forceps seat 15, after biopsy tissues are obtained by forceps clamps, the biopsy tissues are stored in a sealed mode through the forceps grooves and are separated from other pollution sources, the pollution sources are prevented from being contacted with the biopsy tissues, and the possibility that the biopsy tissues are polluted is avoided. When the biopsy tissue is taken out, the protective sleeve 3 naturally falls down to protect the first forceps knife 13 and the second forceps knife 16 in the protective sleeve, after the first forceps knife 13 and the second forceps knife 16 are separated from a human body and a working hole, the forceps head is loosened, the protective sleeve is taken down, the first forceps knife 13 and the second forceps knife 16 are taken down along the protective sleeve, the biopsy tissue in the protective sleeve is taken out, the structure is simple, the use is convenient, and the biopsy tissue is not easily polluted. When the biopsy forceps are closed, the biopsy tissue is separated through the matching of the first cutting edge 131 and the second cutting edge 161, the cutting edges are convenient and easy to use, incomplete separation is not easy to occur, and the cut wound is enlarged due to dragging. The cavity formed by the first clamp groove 132 and the second clamp groove 162 is used for accommodating and protecting the separated biopsy tissue until the biopsy tissue is taken out, so that the integrity of the biopsy tissue is kept, and the error of the biopsy result caused by pollution is avoided.

The first caliper seat 12 is provided with a first groove 121, a first protruding belt 124 is arranged in the first groove 121, the first caliper blade 13 is provided with a first engaging groove 133 matched with the first protruding belt 124, the first caliper blade 13 is clamped into the first groove 121 through the protective sleeve 3, the second caliper seat 15 is provided with a second groove 151, a second protruding belt 154 is arranged in the second groove 151, the second caliper blade 16 is provided with a second engaging groove 163 matched with the second protruding belt 154, and the second caliper blade 16 is clamped into the second groove 151 through the protective sleeve 3.

Through the scheme, the clamp knife is clamped with the clamp seat through the protective sleeve 3, only the protective sleeve 3 needs to be cancelled, the clamp knife can be taken down without being detached, and the clamp knife is simpler, more convenient and quicker to replace. The cooperation of protruding area and block groove and the recess of pincers seat make the pincers sword block more firm, can not drop easily, also can not too troublesome during the change.

The first forceps holder 12 is further provided with a first inclined arm 122 and a first hole 123, the second forceps holder 15 is further provided with a second inclined arm 152 and a second hole 153, the other end of the mounting base 2 is further provided with a forceps holder shaft 22, the forceps holder shaft 22 penetrates through the first hole 123 and the second hole 153, the first forceps holder 12 and the second forceps holder 15 are connected to the forceps holder shaft 22 in a rotating mode, the first inclined arm 122 is hinged to the first connecting plate 11, the second inclined arm 152 is hinged to the second connecting plate 14, the other end of the pull wire 5 is provided with a connecting shaft 51, the pull wire 5 is connected with two ends of the connecting shaft 51, the first connecting plate 11 is provided with a third hole 111, the second connecting plate 14 is provided with a fourth hole 141, the connecting shaft 51 penetrates through the third hole 111 and the fourth hole 141, and the first connecting plate 11 and the second connecting plate 14 are connected to the connecting shaft 51 in a rotating mode.

Through the scheme, the first forceps base 12 and the second forceps base 15 are rotatably connected to the forceps base shaft through the matching of the hole shaft, so that the installation is convenient, and the completion of the forceps actions is facilitated. The first and second

inclined arms

122 and 152 have a larger rotation angle without interference, so that the angle between the first and

second forceps blades

13 and 16 can be larger, and a larger range for collecting biopsy tissue and a stronger biting force are provided, and the linkage mechanism formed by the first forceps holder 12, the second forceps holder 15, the first connecting plate 11 and the second connecting plate 14 enables the displacement of the pull wire to be converted into the rotation of the first forceps holder 12 and the second forceps holder 15, which helps the biopsy forceps to smoothly take the biopsy tissue.

One end of the guide pipe 4 is provided with an external thread 41, one end of the mounting base 2 is provided with a threaded hole 21 matched with the external thread 41, the mounting base 2 is in threaded connection with the guide pipe 4, the position of the relative guide pipe 4 can be adjusted by rotating the mounting base 2, the distance between the connecting shaft 51 and the forceps holder shaft 22 is controlled, and the angle between the first forceps holder 12 and the second forceps holder 15 is changed.

By adopting the scheme, the shape of the biopsy forceps is adjusted, and a method for opening the biopsy forceps and taking out biopsy tissues is added, so that the biopsy forceps do not need to be pulled open by hands or the sliding sleeve 7 needs to be pushed and pulled. The assembly connection installation is convenient, the use is easy, the fine adjustment mode is increased, the fault tolerance rate of the biopsy forceps is improved, and the biopsy forceps can not be scrapped due to the looseness or deformation of the pull wire 5.

The handheld ring 8 is an elliptical ring, the handle 6 is vertically fixed on the side of the handheld ring 8, an annular groove 72 suitable for finger clamping is arranged in the middle of the sliding sleeve 7, the sliding sleeve 7 is connected with an embedded block 71, the embedded block 71 penetrates through the sliding groove 62 to be connected with the pull wire 5, the mounting seat 2 is provided with a mounting groove 23, the threaded hole 21 is formed in the bottom surface of the mounting groove 23, the forceps seat shaft 22 is arranged in the mounting groove 23, a fifth hole 125 used for ejecting the first forceps knife 13 is formed in the inner wall of the first groove 121, and a sixth hole 155 used for ejecting the second forceps knife 16 is formed in the inner wall of the second groove 151.

Through the scheme, the hand-held ring 8 and the sliding sleeve 7 can be used by the same hand, the thumb is inserted into the hand-held ring 8, and the index finger and the middle finger clamp the sliding sleeve 7. Convenient to use, and the other hand can perform other necessary operations.

The protective sleeve 3 is made of a plastic film.

Through above-mentioned scheme, use the not fragile plastic film to make for the change of protective sheath 3 is simpler, is favorable to manufacturing, reduce cost.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel biopsy forceps, includes handheld ring (8), handle (6), sliding sleeve (7), pipe (4) and acting as go-between (5), characterized by: the clamp comprises a handle (6), a hand-held ring (8), a guide pipe (4), a cylindrical handle (6), a sliding groove (62), a sliding sleeve (7), a pull wire (5), a sliding sleeve (7), a clamp frame assembly (1), a mounting seat (2), a first clamp seat (12), a second clamp seat (15), a first connecting plate (11) and a second connecting plate (14), wherein the hand-held ring (8) is fixed at one end of the handle (6), the other end of the handle (6) is connected to the guide pipe (4), the handle (6) is cylindrical, the sliding groove (62) is formed in the cylindrical wall (61) of the handle (6), the sliding sleeve (7) is sleeved on the handle (6), the pull wire (5) is arranged in the guide pipe (4) and the handle (6), one end of the guide pipe (4) is connected with the clamp frame assembly (1), the clamp frame assembly (1) comprises the mounting seat (2), the first clamp seat (12), the second clamp seat (15), the first clamp seat (12, one end of the first connecting plate (11) is connected with the pull wire (5), the other end of the first connecting plate (11) is hinged to the first forceps base (12), one end of the second connecting plate (14) is connected with the pull wire (5), the other end of the second connecting plate (14) is hinged to the second forceps base (15), a protective sleeve (3) for isolation is arranged outside the forceps frame assembly (1), the forceps frame assembly (1) is sleeved in the protective sleeve (3) and extends upwards along the guide pipe (4), a first forceps knife (13) and a second forceps knife (16) are arranged outside the protective sleeve (3), the first forceps knife (13) is clamped on the first forceps base (12), the second forceps knife (16) is clamped on the second forceps base (15), the first forceps knife (13) is provided with a first cutting edge (131) and a first groove (132), and the second forceps knife (16) is provided with a second cutting edge (161) and a second groove (162), when the sliding sleeve (7) is pulled to the handheld ring (8), the pull wire (5) moves along with the sliding sleeve (7) and pulls the first connecting plate (11) and the second connecting plate (14) to enable the first forceps holder (12) and the second forceps holder (15) to rotate oppositely, the first blade (131) and the second blade (161) are matched to clamp biopsy tissues, and the first forceps groove (132) and the second forceps groove (162) are closed to form a sealed capsule capable of containing the biopsy tissues.

2. The novel bioptome of claim 1, wherein: first pincers seat (12) are equipped with first recess (121), be equipped with first protruding area (124) in first recess (121), first pincers sword (13) be equipped with first protruding first block groove (133) of taking (124) complex, first pincers sword (13) are separating protective sheath (3) card and are gone into first recess (121), second pincers seat (15) are equipped with second recess (151), be equipped with second protruding area (154) in second recess (151), second pincers sword (16) be equipped with second protruding second block groove (163) of taking (154) complex, second pincers sword (16) are separating protective sheath (3) card and are gone into second recess (151).

3. The novel bioptome of claim 2, wherein: the first forceps holder (12) is further provided with a first inclined arm (122) and a first hole (123), the second forceps holder (15) is further provided with a second inclined arm (152) and a second hole (153), the other end of the mounting seat (2) is further provided with a forceps holder shaft (22), the forceps holder shaft (22) penetrates through the first hole (123) and the second hole (153), the first forceps holder (12) and the second forceps holder (15) are connected to the forceps holder shaft (22) in a rotating mode, the first inclined arm (122) is hinged to the first connecting plate (11), the second inclined arm (152) is hinged to the second connecting plate (14), the other end of the pull wire (5) is provided with a connecting shaft (51), the pull wire (5) is connected with two ends of the connecting shaft (51), the first connecting plate (11) is provided with a third hole (111), the second connecting plate (14) is provided with a fourth hole (141), and the connecting shaft (51) penetrates through the third hole (111) and the fourth hole (141), the first connecting plate (11) and the second connecting plate (14) are rotatably connected to the connecting shaft (51).

4. The novel bioptome of claim 3, wherein: the one end of pipe (4) is equipped with external screw thread (41), the one end of mount pad (2) is equipped with screw hole (21) with external screw thread (41) adaptation, mount pad (2) threaded connection is on pipe (4), and rotatory mount pad (2) can be adjusted the position relative pipe (4), and the distance between control connecting axle (51) and pincers seat axle (22) changes the angle between first pincers seat (12) and second pincers seat (15).

5. The novel bioptome of claim 4, wherein: the utility model discloses a clamp, including handheld ring (8), handle (6), sliding sleeve (7), threaded hole (21), jaw axle (22), mounting groove (23), the setting of handheld ring (8) is the oval ring, handle (6) vertical fixation is at the side of handheld ring (8), the centre of sliding sleeve (7) is equipped with annular groove (72) that are fit for the finger centre gripping, sliding sleeve (7) are connected with embedding piece (71), embedding piece (71) pass spout (62) and are connected with act as go-between (5), mount pad (2) are equipped with mounting groove (23), threaded hole (21) set up on the bottom surface of mounting groove (23), the setting of jaw axle (22) is in mounting groove (23), be equipped with fifth hole (125) that are used for ejecting first jaw sword (13) on the inner wall of first recess (121), be equipped with sixth hole (155) that are used for ejecting second jaw sword (16).

6. The novel bioptome of claim 1, wherein: the protective sleeve (3) is made of a plastic film.