CN115836885B

CN115836885B - Tumor biopsy forceps

Info

Publication number: CN115836885B
Application number: CN202310172549.8A
Authority: CN
Inventors: 郭杰; 郝琳琳; 钱琪; 蒋敏; 朱戈艺; 耿琰
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-05-05
Anticipated expiration: 2043-02-28
Also published as: CN115836885A

Abstract

The invention discloses a tumor biopsy forceps, which relates to the technical field of medical instruments and comprises a cylinder, a clamping forceps, a supporting component, a rotary cutting component, an extrusion pushing component, a sliding collecting component and a dividing component, wherein the supporting component is arranged at one end of the cylinder and used for supporting and fixing a tumor sample to be sampled. Compared with the prior art, the invention has the advantages that: through rotating the cutting assembly, the tumor sample can be conveniently clamped and cut through the clamping pliers through the operation of rotating the sleeve, and the cutting is more convenient; can carry out the fixed that struts with the tumour sample when the cutting through supporting component, it is fixed more firm to the tumour sample, the effectual condition that avoids the tumour sample to drop.

Description

Tumor biopsy forceps

Technical Field

The invention relates to the technical field of medical appliances, in particular to a tumor biopsy forceps.

Background

Biopsy forceps are needed when sampling and testing tumor samples at affected parts, but the current biopsy forceps have the following problems when in use:

1. when the clamping force of the clamping forceps on the biopsy forceps on the tumor sample is insufficient, the tumor sample is easy to drop on the body of a patient, and the operation is very inconvenient;

2. the biopsy forceps need to be taken out entirely when sampling for multiple times at the same position or sampling at adjacent positions, and the biopsy forceps are easy to touch other positions of a patient to cause damage, so that the tumor samples which need to be sampled for multiple times are inconvenient to collect, and the operation is inconvenient.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the technical problem, and provide the tumor biopsy forceps which can collect tumor samples for a plurality of times and has better supporting and fixing force on tumors under the condition of not needing to be frequently taken; creatively supports the tumor sample and fixes the tumor sample when cutting the tumor sample through the action of the supporting component and the rotating cutting component, and supports the tumor sample more firmly, and the tumor sample sampled for multiple times can be stored separately under the condition of not taking down the biopsy forceps through the action of the extrusion pushing component and the sliding collecting component.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the tumor biopsy forceps comprise a cylinder body, a clamping forceps, a supporting component, a rotary cutting component, an extrusion pushing component, a sliding type collecting component and a dividing component, wherein the supporting component is arranged at one end of the cylinder body and used for supporting and fixing a tumor sample to be sampled; the rotary cutting assembly is arranged outside the cylinder body and used for enabling the clamping pliers to cut a tumor sample and providing driving for supporting and fixing the tumor sample; the extrusion type pushing component is arranged at the other end of the cylinder body and used for taking down the tumor sample which is supported and fixed; the sliding type collecting assembly is arranged on one side of the extrusion type pushing assembly and one side of the cylinder body and used for collecting a plurality of tumor samples, and the dividing assembly is arranged at one end of the cylinder body.

Further, rotate cutting assembly includes sleeve pipe and traction lever, the sleeve pipe passes through screw-thread fit setting in the outside of barrel, sleeve pipe one end is connected and is equipped with body one, the inboard of body one is equipped with body two through the bearing is fixed, the centre gripping pincers set up to two, just the articulated one end that sets up at the barrel of centre gripping pincers, one side of body two articulates and is equipped with the traction lever, the other end and the centre gripping pincers of traction lever are articulated.

Specifically, the supporting component comprises a push-pull rod and a rotating rod, the push-pull rod penetrates through the cylinder body in a sliding mode, one end of the push-pull rod is connected with a cone, groove bodies are formed in the upper side and the lower side of one end of the push-pull rod, one end of the groove body is hinged to the rotating rod, a plurality of symmetrically arranged needle bodies are connected to the outer side of the rotating rod, and a holding ring is connected to the other end of the push-pull rod.

Preferably, the first elastic air bag is fixedly embedded in the groove body, the other end of the first elastic air bag is connected with the rotating rod, the ventilation cavity is formed in the push-pull rod, one end of the ventilation cavity is communicated with the first elastic air bag, a PE pipe communicated with the ventilation cavity is arranged on the outer side of the other end of the push-pull rod, a third pipe body is fixedly arranged on the inner side of the third pipe body through a bearing, a first sliding column is connected and arranged on one side of the fourth pipe body, a fixing plate is connected and arranged on the outer side of the cylinder body, a second elastic air bag is connected and arranged on one side of the fixing plate, one side of the second elastic air bag is communicated with the PE pipe, the first sliding column penetrates through the fixing plate in a sliding mode and is connected with a squeezing plate, and the squeezing plate is used for squeezing the second elastic air bag.

Further, extrusion formula pushing component includes poking rod and rotation groove, the setting of rotation groove symmetry is at the lower lateral wall in the barrel, poking rod sets up in the rotation groove, the barrel is being kept away from centre gripping pincers one end downside and is equipped with the discharge port, the rotation groove is equipped with the pivot that runs through the barrel through the bearing in the one side that is close to the discharge port, poking rod and pivot looks fixed connection.

Specifically, the fixed frame that places that is equipped with of downside of barrel, the discharge port runs through and places the frame downside, gliding running through is equipped with the slip post two on the barrel, the one end of slip post two is connected with extrusion piece two, the downside connection of push-and-pull rod is equipped with extrusion piece one to make extrusion piece one touch extrusion piece two when sliding along with the push-and-pull rod, the one end connection of slip post two in the barrel outside is equipped with sliding plate one, sliding plate one's the other end is equipped with rack one through sliding plate two connection, pivot pivoted runs through and places the frame and connect and be equipped with gear one, gear one and rack one meshing set up, the outside cover of slip post two is equipped with the spring that is connected with extrusion piece two and barrel respectively, the outside connection of placing the frame is equipped with the slip cap and establishes the fixed frame at sliding plate outside.

Preferably, the sliding type collecting assembly comprises a collecting box, a second rack and a second gear, wherein the collecting box, the second rack and the second gear are arranged on the lower side of the placing frame in a sliding mode, the second gear is fixedly arranged on the outer side of the rotating shaft through a one-way bearing, a supporting plate is arranged on the outer side of the collecting box in a connecting mode through a supporting rod, the second rack meshed with the second gear is arranged on the upper side of the supporting plate in a connecting mode, and the collecting box is divided into a plurality of areas through a partition plate.

Further, the both sides of collecting box are equipped with the slider, place the downside of frame and be equipped with slider matched with slide rail.

Specifically, the cutting assembly comprises a cutting groove and a blade, wherein the blade is fixed at one end of the upper side of the cylinder body close to the cone, the blade is of a right-angled triangle structure, and the cutting groove is arranged on the cone and matched with the blade in position so that the blade can penetrate through the cone.

Preferably, the lower end of the cylinder body is connected with a handle through a fixing rod.

Compared with the prior art, the invention has the advantages that:

1. through rotating the cutting assembly, the operation of rotating the sleeve can conveniently clamp the tumor sample to be collected through the clamping pliers and cut the tumor sample, and the cutting is more convenient;

2. the tumor sample can be fixed in a propping way through the supporting component during cutting, so that the tumor sample is fixed more firmly, and the situation that the tumor sample falls off is effectively avoided;

3. through the action of the rotary cutting assembly, the tumor sample is cut and simultaneously the driving force is provided for the opening of the tumor sample, the cutting of the tumor sample and the fixation of the tumor sample can be realized only by rotating the sleeve, and the operation is simpler and more convenient;

4. the sampled tumor samples can be taken down and collected by pulling the holding ring only under the action of the extrusion type pushing assembly, so that the operation is more convenient;

5. through the action of the sliding type collecting assembly, the taken tumor samples can be automatically collected in the collecting box through the action of pulling the holding ring, after the tumor samples are collected in one area separated by the partition plate in the collecting box, the other area can be automatically switched to be aligned with the discharge port, and therefore additional tumor samples can be conveniently and rapidly collected;

6. when sampling is carried out on tumor samples in other adjacent areas, the cylinder does not need to be taken out, and the situation that the patient is accidentally injured by taking out the cylinder frequently after sampling for many times is avoided.

Drawings

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

Fig. 2 is a schematic structural view of one end of the cylinder of the present invention.

Fig. 3 is a schematic structural view of an inner perspective of one end of the cylinder of the present invention.

Fig. 4 is a schematic view of the cone perspective structure of the present invention.

Fig. 5 is a schematic view showing the structure of the collecting box in a three-dimensional manner.

Fig. 6 is an enlarged view of the position a in fig. 1 according to the present invention.

Fig. 7 is an enlarged view of the B position of fig. 2 according to the present invention.

Fig. 8 is an enlarged view of the C-position of fig. 3 according to the present invention.

Fig. 9 is an enlarged view of the D position of fig. 1 according to the present invention.

Fig. 10 is an enlarged view of the E-position of fig. 1 according to the present invention.

Fig. 11 is an enlarged view of the F position in fig. 1 according to the present invention.

FIG. 12 is a schematic view of the cross-sectional structure of the position A-A of FIG. 1 in accordance with the present invention.

Fig. 13 is a schematic view of a three-dimensional structure of a toggle rod and a rotary groove in a barrel of the invention.

As shown in the figure: 1. a cylinder; 2. clamping pliers; 3. a support assembly; 4. rotating the cutting assembly; 5. an extrusion type pushing assembly; 6. a sliding collection assembly; 7. a segmentation component; 8. a sleeve; 9. a handle; 10. a first pipe body; 11. a second pipe body; 12. a traction rod; 13. a push-pull rod; 14. a blade; 15. a cone; 16. a tank body; 17. a rotating lever; 18. a needle body; 19. a grip ring; 20. an elastic air bag I; 21. a ventilation chamber; 22. a third pipe body; 23. a pipe body IV; 24. a sliding column I; 25. a fixing plate; 26. an elastic air bag II; 27. a toggle rod; 28. a rotating groove; 29. a discharge port; 30. a rotating shaft; 31. placing a frame; 32. a sliding column II; 33. extruding a second block; 34. extruding a first block; 35. a first sliding plate; 36. a first rack; 37. a first gear; 38. a spring; 39. a fixed frame; 40. a collection box; 41. a second rack; 42. a second gear; 43. a one-way bearing; 44. a support plate; 45. a slide block; 46. a slide rail; 47. cutting a groove; 48. a PE tube; 49. a second sliding plate; 50. and extruding the plate.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

Referring to fig. 1, 3, 6, 8 and 9, a tumor biopsy forceps comprises a barrel 1, a clamping forceps 2, a supporting component 3, a rotary cutting component 4, an extrusion pushing component 5, a sliding collecting component 6 and a dividing component 7, wherein the supporting component 3 is arranged at one end of the barrel 1 and is used for supporting and fixing a tumor sample to be sampled; the rotary cutting assembly 4 is arranged outside the cylinder body 1 and is used for enabling the clamping forceps 2 to cut a tumor sample and providing driving for supporting and fixing the tumor sample; the extrusion type pushing component 5 is arranged at the other end of the cylinder body 1 and is used for taking down a tumor sample which is supported and fixed; the sliding type collecting assembly 6 is arranged on one side of the extrusion type pushing assembly 5 and one side of the cylinder body 1 and used for collecting a plurality of tumor samples, and the dividing assembly 7 is arranged at one end of the cylinder body 1.

Referring to fig. 1 and 6, the rotary cutting assembly 4 includes a sleeve 8 and a traction rod 12, the sleeve 8 is disposed on the outer side of the cylinder 1 through threaded engagement, one end of the sleeve 8 is connected with a first pipe body 10, a second pipe body 11 is fixedly disposed on the inner side of the first pipe body 10 through a bearing, two clamping pliers 2 are disposed, the clamping pliers 2 are hinged to one end of the cylinder 1, one side of the second pipe body 11 is hinged to the traction rod 12, and the other end of the traction rod 12 is hinged to the clamping pliers 2.

Referring to fig. 1, 4 and 9, the supporting assembly 3 includes a push-pull rod 13 and a rotating rod 17, the push-pull rod 13 penetrates through the cylinder 1 in a sliding manner, one end of the push-pull rod 13 is connected with a cone 15, two sides of one end of the push-pull rod 13 are provided with a groove 16, one end of the groove 16 is hinged to the rotating rod 17, a plurality of symmetrically arranged needle bodies 18 are connected to the outer side of the rotating rod 17, and a holding ring 19 is connected to the other end of the push-pull rod 13.

Referring to fig. 1, 4, 6, 9 and 10, an elastic air bag one 20 is fixedly embedded in the groove 16, the other end of the elastic air bag one 20 is connected with the rotating rod 17, a ventilation cavity 21 is arranged in the push-pull rod 13, one end of the ventilation cavity 21 is communicated with the elastic air bag one 20, a PE pipe 48 communicated with the ventilation cavity 21 is arranged at the outer side of the other end of the push-pull rod 13, a pipe body three 22 is connected at the other end of the sleeve 8, a pipe body four 23 is fixedly arranged at the inner side of the pipe body three 22 through a bearing, a sliding column one 24 is connected at one side of the pipe body four 23, a fixing plate 25 is connected at the outer side of the pipe body 1, an elastic air bag two 26 is connected at one side of the fixing plate 25, one side of the elastic air bag two 26 is communicated with the PE pipe 48, a pressing plate 50 is arranged at the sliding penetrating the fixing plate 25 in a penetrating manner, and the pressing plate 50 is used for pressing the elastic air bag two 26.

Referring to fig. 1, 3, 7, 8, 12 and 13, the extruding pushing assembly 5 includes a toggle rod 27 and a rotating groove 28, the rotating groove 28 is symmetrically disposed on a lower side wall of the barrel 1, the toggle rod 27 is disposed in the rotating groove 28, a discharge port 29 is disposed at a lower side of one end of the barrel 1 far away from the clamping pliers 2, a rotating shaft 30 penetrating the barrel 1 through a bearing is disposed at one side of the rotating groove 28 near the discharge port 29, the toggle rod 27 is fixedly connected with the rotating shaft 30, the toggle rods 27 are symmetrically disposed in the rotating grooves 28 on two sides, and one ends of the two toggle rods 27 are fixedly connected with the rotating shaft 30 at one end of the rotating groove 28 near the discharge port 29.

Referring to fig. 1, 3, 4, 7 and 11, a placement frame 31 is fixedly arranged at the lower side of the cylinder 1, the discharge outlet 29 penetrates through the lower side of the placement frame 31, a sliding column two 32 is arranged on the cylinder 1 in a sliding penetrating manner, one end of the sliding column two 32 is connected with a pressing block two 33, a pressing block one 34 is connected at the lower side of the push-pull rod 13, so that the pressing block one 34 can touch the pressing block two 33 when sliding along with the push-pull rod 13, a sliding plate one 35 is connected at one end of the sliding column two 32 at the outer side of the cylinder 1, a rack one 36 is connected at the other end of the sliding plate one 35 through a sliding plate two 49, a gear one 37 is connected through the penetrating placement frame 31 with which the rotating shaft 30 rotates, the gear one 37 and the rack one 36 are meshed, a spring 38 connected with the pressing block two 33 and the cylinder 1 respectively is sleeved at the outer side of the sliding column two 32, and a fixing frame 39 sleeved at the outer side of the sliding plate two 49 is connected at the outer side of the placement frame 31.

Referring to fig. 1, 3, 5 and 7, the sliding collecting assembly 6 includes a collecting box 40 sliding under the placing frame 31, a second rack 41 and a second gear 42, the second gear 42 is fixedly disposed on the outer side of the rotating shaft 30 through a one-way bearing 43, a supporting plate 44 is connected to the outer side of the collecting box 40 through a supporting rod, the second rack 41 meshed with the second gear 42 is connected to the upper side of the supporting plate 44, and the collecting box 40 is divided into a plurality of areas by a partition board.

Referring to fig. 2, 3 and 5, the two sides of the collecting box 40 are provided with sliding blocks 45, and the lower side of the placement frame 31 is provided with sliding rails 46 matched with the sliding blocks 45.

Referring to fig. 1, 4 and 6, the dividing assembly 7 includes a cutting slot 47 and a blade 14, the blade 14 is fixed on the upper side of the cylinder 1 near one end of the cone 15, the blade 14 is configured in a right triangle structure, and the cutting slot 47 is disposed on the cone 15 and cooperates with the position of the blade 14 so that the blade 14 can pass through the cone 15.

Referring to fig. 1, a handle 9 is connected to the lower end of the cylinder 1 through a fixing rod.

The working principle and the use flow of the invention are as follows:

the tube body 1 is supported and fixed by the manual holding handle 9 and the fixing rod, the clamping forceps 2 is aligned to the position of a patient needing tumor sample sampling, the sleeve 8 can be driven to rotate on the outer side of the tube body 1 by manually rotating the sleeve 8, the tube body 10 connected with the sleeve 8 horizontally slides on the outer side of the tube body 11, the tube body 10 and the tube body 11 horizontally slide by the horizontal sliding of the sleeve 8, the tube body 11 does not rotate when the tube body 11 horizontally slides, the tube body 11 can pull or push the traction rod 12, when the tube body 11 pulls the traction rod 12, the traction rod 12 pulls the outer side of the clamping forceps 2, the two clamping pincers 2 are driven to rotate in opposite directions at the hinged position of one end of the cylinder body 1, the two clamping pincers 2 are further opened, the cone 15 is pushed by the holding ring 19 through holding and pushing, when the cone 15 is inserted into a tumor sample to be sampled, the tumor sample is inserted and primarily supported through the cone structure of the cone 15, the sampled tumor sample moves to the outer side of the needle body 18 on the rotating rod 17, the opposite rotation of the clamping pincers 2 can clamp the root of the tumor sample, the clamping pincers 2 are sharpened at one end far away from the cylinder body 1 during production, rapid cutting is facilitated, and the sleeve 8 rotates to be close to the clamping pincers 2 for cutting operation;

during cutting operation, the sleeve 8 rotates to be close to the clamping forceps 2, the sleeve 8 rotates and simultaneously drives the third tube 22 to rotate on the outer side of the fourth tube 23, at the moment, the fourth tube 23 does not rotate, the sleeve 8 rotates on the outer side of the cylinder 1, meanwhile, the sleeve 8 horizontally slides on the outer side of the cylinder 1, the third tube 22 and the fourth tube 23 are matched to drive the first sliding column 24 to slide on the fixed plate 25, the extrusion plate 50 connected with the first sliding column 24 is driven to extrude the second elastic air bag 26, gas in the second elastic air bag 26 is filled in the ventilation cavity 21 through the PE tube 48 (the PE tube 48 can slide and bend along with the push-pull rod 13), the first elastic air bag 20 is further filled in to expand rapidly, the needle body 18 is inserted into a sampled tumor sample in a rotating manner through the rotating rod 17 connected with the first elastic air bag 20, and the tumor sample is fixed more stably and is not easy to drop;

when the collected tumor sample is stored, the holding ring 19 is pulled to drive the push-pull rod 13 to slide in the cylinder body 1, when the tumor sample slides to the position of the blade 14, the blade 14 cuts the upper side of the tumor sample, the blade 14 does not touch the needle body 18, along with the sliding of the push-pull rod 13, the blade 14 can pass through the cutting groove 47 on the cone 15, along with the continuous pulling of the holding ring 19, the push-pull rod 13 slides in the cylinder body 1, when the extrusion block I34 and the extrusion block II 33 are propped against and extruded, along with the extrusion of the extrusion block II 33, the sliding column II 32 is extruded, the rack I36 is matched with the sliding plate I35 and the sliding plate II 49 to slide, the sliding plate II 49 can stably slide in the fixed frame 39, the driving gear I37 sliding on the gear I37 through the rack I36 is rotated, and then the rotation of the rotating shaft 30 is driven, the rotation of the gear II 42 is not driven by the unidirectional bearing 43, the rotation of the rotating shaft 30 drives the rotation of the toggle rod 27, the distance between the two toggle rods 27 is wider than the diameter width of the bottom surface of the cone 15, the tumor sample is fixed on the needle 18 and the cone 15, the rotating rod 17 is inclined relative to the push-pull rod 13, so that the needle 18 is inclined towards the cylinder 1, one end of the toggle rod 27 far away from the rotating shaft 30 rotates out of the rotating groove 28 and rotates towards the holding ring 19, the tumor sample parts on two sides of the cone 15 and the push-pull rod 13 are pushed by the rotation of the toggle rod 27, so that the tumor sample fixed on the needle 18 is pushed by the rotating rod 27 towards the cylinder 1, the tumor sample fixed on the needle 18 can be smoothly pushed out from the needle 18, and after the upper side of the tumor sample is cut by the blade 14, the cone 15, the upper sides of the rotating rod 17 and the push-pull rod 13 do not block tumor samples any more, the cone 15 can be set to be an inclined cone in specific implementation, and the vertex of the inclined cone, which is far away from the push-pull rod 13, coincides with one end of the cutting groove 47, which is far away from the push-pull rod 13, so that the tumor samples on the cone 15 are smoothly separated from the cone 15 without being blocked by one end of the vertex of the cone 15 when pushed down by the toggle rod 27, and then the tumor samples are separated from the needle body 18 and the cone 15 along with the turning of the toggle rod 27, and the tumor samples can be stored in a region separated by a partition plate in the collection box 40 through the action of gravity and the pushing force of the toggle rod 27 through the discharge port 29;

when the operation of separating the tumor samples is finished and then sampling is carried out on the tumor samples at other adjacent positions, the cone 15 is pushed to slide to the inner side of the clamping forceps 2 through holding the holding ring 19, the first extrusion block 34 and the second extrusion block 33 are separated, the second extrusion block 33 is pushed to slide away from the first sliding plate 35 under the action of the spring 38, the second sliding column 32 is pulled, the first sliding plate 35 and the second sliding plate 49 slide on the first rack 36, the first gear 37 is driven to rotate through the sliding of the first rack 36, the rotating shaft 30 is driven to rotate, the poking rod 27 is driven to rotate again into the rotating groove 28, the second gear 42 is driven to rotate through the unidirectional bearing 43, the second rack 41 is driven to slide, the supporting plate 44 and the supporting rod are matched to enable the collecting box 40 to slide horizontally, and further the other non-stored tumor samples are enabled to move to the lower side of the discharging port 29 through the partition plate, so that classification sampling is carried out on the tumor samples again, the separated storage is carried out, the sliding blocks 45 on the two sides of the collecting box 40 can slide on the sliding rail 46 firmly, the upper end of the collecting box 40 and the lower side of the placing frame 31 can avoid the self-sliding or the self-sliding of the collecting box 40 due to the action of gravity;

after the tumor sample is collected, the sleeve 8 is rotated reversely at the outer side of the cylinder body 1 again, the first 10 and the second 11 tube bodies are matched during sliding of the sleeve 8, the second 11 tube body can drag the traction rod 12, so that the two clamping pincers 2 are separated to clamp and cut the tumor sample again conveniently, meanwhile, the sleeve 8 is rotated at the outer side of the cylinder body 1, the third 22 tube body and the fourth 23 tube body are matched to drive the first 24 sliding column to slide on the fixed plate 25 along with the rotation of the sleeve 8, the second 50 extrusion plate is matched to enable the second 26 elastic air bag to expand and exhaust, the first 20 elastic air bag is matched with the PE tube 48 and the ventilation cavity 21 to exhaust, and the first 20 elastic air bag is contracted to drive the rotating rod 17 to be rotated and accommodated in the groove body 16 so as to collect the tumor sample again;

the above is the use flow of the application, and the operation is repeated next time.

Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims

1. Tumor biopsy forceps, including barrel (1) and centre gripping pincers (2), its characterized in that: the device also comprises a supporting component (3), a rotary cutting component (4), an extrusion type pushing component (5), a sliding type collecting component (6) and a dividing component (7);

the supporting component (3) is arranged at one end of the cylinder body (1) and used for supporting and fixing a tumor sample to be sampled; the rotary cutting assembly (4) is arranged outside the cylinder body (1) and used for enabling the clamping forceps (2) to cut a tumor sample and providing driving for supporting and fixing the tumor sample; the extrusion type pushing component (5) is arranged at the other end of the cylinder body (1) and is used for taking down a tumor sample which is supported and fixed; the sliding type collecting assembly (6) is arranged on one side of the extrusion type pushing assembly (5) and one side of the cylinder body (1) and used for collecting a plurality of tumor samples, and the dividing assembly (7) is arranged at one end of the cylinder body (1);

the rotary cutting assembly (4) comprises a sleeve (8) and a traction rod (12), wherein the sleeve (8) is arranged on the outer side of the cylinder body (1) in a threaded fit manner, one end of the sleeve (8) is connected with a first pipe body (10), a second pipe body (11) is fixedly arranged on the inner side of the first pipe body (10) through a bearing, two clamping pliers (2) are arranged, the two clamping pliers (2) are hinged to one end of the cylinder body (1), one side of the second pipe body (11) is hinged to the traction rod (12), and the other end of the traction rod (12) is hinged to the clamping pliers (2);

the supporting component (3) comprises a push-pull rod (13) and a rotating rod (17), wherein the push-pull rod (13) penetrates through the barrel body (1) in a sliding mode, one end of the push-pull rod (13) is connected with a cone (15), groove bodies (16) are arranged on the upper side and the lower side of one end of the push-pull rod (13), the rotating rod (17) is hinged to one end of the groove body (16), a plurality of needle bodies (18) which are symmetrically arranged are connected to the outer side of the rotating rod (17), and a holding ring (19) is connected to the other end of the push-pull rod (13);

the novel elastic air bag is characterized in that an elastic air bag I (20) is fixedly embedded in the groove body (16), the other end of the elastic air bag I (20) is connected with a rotating rod (17), a ventilation cavity (21) is arranged in the push-pull rod (13), one end of the ventilation cavity (21) is communicated with the elastic air bag I (20), a PE pipe (48) communicated with the ventilation cavity (21) is arranged on the outer side of the other end of the push-pull rod (13), a pipe body III (22) is connected with the other end of the sleeve (8), a pipe body IV (23) is fixedly arranged on the inner side of the pipe body IV (22) through a bearing, a sliding column I (24) is connected to one side of the pipe body IV (23), a fixing plate (25) is connected to one side of the cylinder body (1), an elastic air bag II (26) is connected to one side of the fixing plate II (25) and is communicated with the PE pipe (48), the sliding column I (24) penetrates through the fixing plate (25) in a sliding mode, and is connected with a squeezing plate (50), and the squeezing plate (50) is used for squeezing the elastic air bag II (26);

the extrusion type pushing assembly (5) comprises a poking rod (27) and a rotating groove (28), the rotating groove (28) is symmetrically arranged on the lower side wall of the barrel (1), the poking rod (27) is arranged in the rotating groove (28), a discharge port (29) is arranged on the lower side of one end of the barrel (1) far away from the clamping pliers (2), a rotating shaft (30) penetrating through the barrel (1) through a bearing is arranged on one side, close to the discharge port (29), of the rotating groove (28), the poking rod (27) is fixedly connected with the rotating shaft (30), and the distance between the two poking rods (27) is wider than the diameter width of the bottom surface of the cone (15);

the lower side of the barrel body (1) is fixedly provided with a placement frame (31), the discharge port (29) penetrates through the lower side of the placement frame (31), a sliding column II (32) is arranged on the barrel body (1) in a sliding penetrating manner, one end of the sliding column II (32) is connected with a pressing block II (33), the lower side of the push-pull rod (13) is connected with a pressing block I (34) so that the pressing block I (34) can touch the pressing block II (33) when sliding along with the push-pull rod (13), one end of the sliding column II (32) on the outer side of the barrel body (1) is connected with a sliding plate I (35), the other end of the sliding plate I (35) is connected with a rack I (36) through a sliding plate II (49), the rotating penetrating placement frame (31) of the rotating shaft (30) is connected with a gear I (37), the gear I (37) is meshed with the rack I (36), the outer side of the sliding column II (32) is sleeved with a spring (38) which is respectively connected with the pressing block II (33) and the barrel body (1), and the outer side of the placement frame (31) is connected with the sliding plate II (39);

the sliding type collecting assembly (6) comprises a collecting box (40), a rack II (41) and a gear II (42) which slide on the lower side of the placing frame (31), the gear II (42) is fixedly arranged on the outer side of the rotating shaft (30) through a one-way bearing (43), a supporting plate (44) is connected with the outer side of the collecting box (40) through a supporting rod, the rack II (41) meshed with the gear II (42) is connected with the upper side of the supporting plate (44), and the collecting box (40) is divided into a plurality of areas through a partition plate;

the cutting assembly (7) comprises a cutting groove (47) and a blade (14), wherein the blade (14) is fixed at one end, close to the cone (15), of the upper side in the cylinder body (1), the blade (14) is in a right triangle structure, and the cutting groove (47) is arranged on the cone (15) and is matched with the blade (14) in position, so that the blade (14) can penetrate through the cone (15).

2. The tumor biopsy forceps of claim 1, wherein: the two sides of the collecting box (40) are provided with sliding blocks (45), and the lower side of the placing frame (31) is provided with sliding rails (46) matched with the sliding blocks (45).

3. A tumor biopsy forceps according to claim 2, wherein: the lower end of the cylinder body (1) is connected with a handle (9) through a fixing rod.