CN219680675U - Integrated thermal biopsy forceps - Google Patents

Abstract

The utility model discloses an integrated thermal biopsy forceps which comprises a forceps head assembly and a handle assembly which are connected with each other, wherein the forceps head assembly comprises a sleeve with a channel arranged inside, a first clamp and a second clamp which are movably penetrated in the sleeve, the first clamp and the second clamp are integrally formed, the proximal ends of the first clamp and the second clamp are in cylindrical, polyhedral or spherical structures, the handle assembly comprises a guy cable and a notch pull rod connected to the distal end of the guy cable, the notch of the notch pull rod is suitable for wrapping the proximal ends of the first clamp and the second clamp, the handle assembly further comprises an outer tube, the sleeve is connected with the outer tube through a connecting shaft, the guy cable penetrates into the sleeve through the outer tube and is connected with the forceps head assembly through the connecting shaft, and the connecting shaft can rotate relative to the sleeve or the outer tube. The hot biopsy forceps of this scheme have few spare part, and the shaping is simple, reduces the assembly degree of difficulty, and the assembly is more quick, more suitable automated production assembly.

Description

Integrated thermal biopsy forceps

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an integrated thermal biopsy forceps.

Background

In clinical operation, the sampling forceps are usually matched with an endoscope for use, and are used for sampling living tissues of digestive tracts or respiratory tracts of human bodies such as stomach, intestine, bronchus and the like, and the living tissues are subjected to pathological analysis, so that scientific basis for diagnosis and treatment is provided for doctors. In clinical use, bleeding after sampling may occur, and the thermal biopsy forceps are the scheme for coping with the bleeding, and the main difference between the thermal biopsy forceps and the sampling forceps is that the handle part of the thermal biopsy forceps is provided with electrode contacts (usually positive electrode contacts), the electrode contacts can electrify the forceps head through a pull rope (usually a stainless steel wire), and the patient body is stuck with an electrode plate as a negative electrode, so that a complete electric loop is formed, and the electric coagulation hemostasis can be performed on the bleeding position.

In the prior art, the forceps heads of sampling forceps or thermal biopsy forceps are mostly of four-bar or chute rivet combined structures, so that the design is complex, the requirements on production assembly workers are high, the yield is low, and defective products can be caused by slightly dimensional processing or assembly problems.

Chinese patent CN204600545U discloses an integral type sampling clamp structure, but among the technical scheme that this patent discloses, the assembly mode of cable and binding clip is welding or riveting, and in fact, no matter welding or riveting, all are difficult to realize in actual production, because the binding clip still overlaps outward and is equipped with the outer tube, the binding clip is shorter, but need first with binding clip and outer tube assembly after accomplishing, then fix with the cable, and if first fix with the cable with the binding clip, then need pass outer tube with longer cable (about 1-1.5 meters) first, then arrange other spare part and assemble, from this, the outer tube has produced the hindrance to welding or riveting fixed mode between cable and the binding clip, production assembly efficiency has been reduced.

Disclosure of Invention

The utility model provides an integrated thermal biopsy forceps for solving the technical problem that the assembly efficiency is low due to the complex structure of a forceps head of a sampling forceps in the prior art.

The utility model provides an integrated thermal biopsy forceps which comprises a forceps head assembly and a handle assembly which are connected with each other, wherein the forceps head assembly comprises a sleeve with a channel arranged inside, a first clamp and a second clamp which are movably penetrated in the sleeve, the first clamp and the second clamp are integrally formed, the distal ends of the first clamp and the second clamp are mutually far away and extend out of the sleeve in a natural state, the distal ends of the first clamp and the second clamp are gradually close to each other until the distal ends of the first clamp and the second clamp tend to be closed in the process of gradually retracting the sleeve, the proximal ends of the first clamp and the second clamp are in a cylindrical, polyhedral or spherical structure, the handle assembly comprises a guy cable and a notch pull rod connected at the distal end of the guy cable, the notch of the notch pull rod is suitable for wrapping the proximal ends of the first clamp and the second clamp, the handle assembly further comprises an outer tube, the sleeve is connected with the outer tube through a connecting shaft, the connecting shaft penetrates the sleeve and is connected with the forceps head assembly through the connecting shaft, and the connecting shaft is opposite to the sleeve or can rotate.

Further, the connecting shaft is a hollow tube in T-shaped arrangement and comprises a thicker section and a thinner section, the thicker section is arranged in the far end of the outer tube and is axially limited by the far end of the outer tube, the thicker section is rotatably arranged relative to the outer tube, and the thinner section is relatively fixed with the near end of the sleeve.

Further, the connecting shaft is a hollow pipe with an annular groove arranged on the outer side in the circumferential direction, the proximal end of the sleeve is at least partially clamped into the annular groove, the proximal end of the sleeve is relatively fixed with the connecting shaft, and the proximal end of the annular groove is axially limited by the inner side of the distal end of the outer pipe and can circumferentially rotate.

Further, the stay rope is connected with the notch pull rod through a butt joint pipe penetrating through the connecting shaft, the distal end of the stay rope is relatively fixed with the proximal end of the butt joint pipe, and the distal end of the butt joint pipe is relatively fixed with the proximal end of the notch pull rod.

Further, the first clamp and the second clamp both comprise a sampling cup opening and a connecting section which are connected with each other, the two connecting sections are connected at the proximal ends of the first clamp and the second clamp in a converging way, the sampling cup opening is connected with the connecting sections through an arc-shaped section, and the proximal end of the arc-shaped section extends towards the direction away from one side of the sleeve and is connected with the sampling cup opening.

Further, the distal end of the sleeve is fixedly provided with a positioning assembly, and the positioning assembly is wrapped after the first clamp and the second clamp are gradually retracted into the sleeve and tend to close.

Further, the positioning assembly comprises a base partition plate and a positioning needle arranged on the base partition plate, and the base partition plate is fixed at the distal end of the sleeve.

Further, the base baffle is welded at the distal end of the sleeve, and the base baffle end surface area is smaller than the cross-sectional area of the passage of the sleeve.

Further, the base partition plate is of a runway-shaped plate-shaped structure.

Further, the first clamp and the second clamp are pulled by the pull rope to move towards the inside of the sleeve through the notch pull rod, the distal ends of the first clamp and the second clamp are gradually close to each other until the first clamp and the second clamp tend to be closed, the arc-shaped section is gradually in abutting fit with the distal end of the sleeve, and the sampling cup opening is prevented from being pulled into the sleeve.

The beneficial effects of the utility model are as follows:

(1) The clamp head assembly is formed by an integrated clamp instead of two-piece sampling clamp sheets in the prior art, and is assembled by matching with the connecting rod mechanism, so that the clamp head assembly has the advantages of few parts, simplicity in molding, difficulty in assembly reduction, rapider assembly and suitability for automatic production and assembly;

(2) Compared with the integral sampling forceps scheme disclosed by the prior art, in the scheme of the embodiment, the forceps head component and the inhaul cable are connected by means of the gap pull rod to be in butt joint fit with the cylindrical, polyhedral or spherical structure on the forceps head component, and crimping can be achieved through a simple tool.

(3) The clamp head assembly is connected with the handle assembly through the connecting shaft, the connecting shaft can be arranged in a rotating mode relative to the outer tube or the spring tube, the angle position of the clamp head assembly can be adjusted, and an appropriate sampling point is found for tissue sampling and hemostasis electrocoagulation.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a cross-sectional view of the overall structure of a thermal biopsy forceps provided by the utility model;

FIG. 2 is a cross-sectional view of the overall construction of the handle assembly of the thermal biopsy forceps of FIG. 1;

FIG. 3 is a cross-sectional view of the overall construction of the binding clip assembly (including a portion of the handle assembly structure) of FIG. 1;

FIG. 4 is a schematic perspective view of a jaw assembly of the thermal biopsy forceps of FIG. 1;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a schematic perspective view of the binding clip assembly at another angle;

FIG. 7 is a cross-sectional view B-B of FIG. 6;

FIG. 8 is a cross-sectional view of an assembled construction of the binding clip assembly and the notched drawbar;

FIG. 9 is a schematic cross-sectional view of the open state of the clamp structure in the clamp head assembly;

FIG. 10 is a schematic cross-sectional view of the closed state of the clamp structure in the clamp head assembly;

FIG. 11 is a schematic perspective view of a notched tie rod;

FIG. 12 is a schematic cross-sectional view of a connecting shaft;

FIG. 13 is a perspective view of an assembled structure of the positioning assembly and the binding clip assembly;

FIG. 14 is a schematic top view of FIG. 13;

FIG. 15 is a schematic perspective view of a first embodiment of a positioning assembly;

fig. 16 is a schematic perspective view of a second embodiment of a positioning assembly.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Example 1

Referring to fig. 1-7, the present embodiment provides an integrated heat biopsy forceps, which includes a forceps head assembly 200 and a handle assembly 100 connected to each other, where the forceps head assembly 200 includes a sleeve 202 with a channel disposed therein, and a first clamp 201A and a second clamp 201B movably penetrating the sleeve 202, the sleeve 202 is a hollow tube with two ends penetrating, where the distal end of the sleeve 202 is provided with a spacer, which may be a separate component or a protrusion extending outward from the distal end of the sleeve 202, when the spacer is a separate component, the integrated first clamp 201A and second clamp 201B are pressed into the sleeve 202 in a closed state, then the spacer is welded to the distal end of the sleeve 202, and when the spacer is a protrusion extending outward from the distal end of the sleeve 202, the integrated first clamp 201A and second clamp 201B are pressed into the sleeve 202 in a closed state, then the protrusion extending outward is kept flush with the distal end face of the sleeve 202 by pressing, and the integrated first clamp 201A and the second clamp 201B are assembled.

In this embodiment, the first clamp 201A and the second clamp 201B are integrally formed, in a natural state, referring to fig. 7 and 9, the distal ends of the first clamp 201A and the second clamp 201B are far away from each other, and extend out of the sleeve 202, and during the process that the first clamp 201A and the second clamp 201B are gradually retracted into the sleeve 202, the distal ends of the first clamp 201A and the second clamp 201B gradually approach each other until the first clamp tends to be closed, wherein the proximal ends of the first clamp 201A and the second clamp 201B have a cylindrical, polyhedral or spherical configuration, referring to fig. 2, the handle assembly 100 includes a pull cable 107 and a notch pull rod 109 connected to the distal end of the pull cable 107, the notch of the notch pull rod 109 is adapted to wrap the proximal ends of the first clamp 201A and the second clamp 201B, referring to fig. 7 and 9 and 11, the proximal ends of the first clamp 201A and the second clamp 201B are hollow cylindrical, the notch pull rod 109 comprises a rod portion 1092 and a notch 1091 arranged at the front end of the rod portion 1092, the cross section of the notch 1091 is C-shaped, the notch is just wrapped on the outer sides of the proximal ends of the first clamp 201A and the second clamp 201B which are hollow cylindrical, as mentioned above, the proximal ends of the first clamp 201A and the second clamp 201B can also be arranged into polyhedrons or spheres, the notch of the corresponding notch pull rod 109 is a polyhedron or a sphere, and when the notch of the notch pull rod 109 is a sphere, the sphere cavity and the sphere proximal ends of the first clamp 201A and the second clamp 201B can be fixed together in a laser welding or clamping fixing mode, so that synchronous push-pull and synchronous rotation functions are realized.

Referring to fig. 2, the handle assembly 100 further includes an outer tube 108, a handle seat 103, and a slip ring 101, where the slip ring 101 is slidably disposed on the handle seat 103, the slip ring 101 is further provided with an electrode contact 102, the electrode contact 102 is electrically connected with a pull cable 107, a proximal end of the pull cable 107 is fixedly connected with the slip ring 101, when the slip ring 101 moves back and forth on the handle seat 103, the distal end of the pull cable 107 can be driven to move back and forth, so that the first clamp 201A and the second clamp 201B are opened or closed, the handle seat 103 is further provided with a thumb ring 104, so that a user can conveniently grip the handle assembly 100 by thumb through the thumb ring 104 when operating, and when operating the thermal biopsy forceps to sample tissue, a liquid injection port 105 is further provided on the handle seat 103, if the target tissue is not clear enough or bleeding after sampling, physiological saline can be injected at the liquid injection port 105, and if bleeding is occurred, the target tissue is sprayed from the clamp assembly 200, the target tissue is washed and disinfected, and if bleeding is occurred, the electrode contact 102 is electrically stopped again, and the target tissue is electrically hemostatic. Since the above is rare, an end cap 106 is generally provided outside the pouring port 105, and the end cap 106 can be screwed to the outside of the pouring port 105, and a luer is provided outside the pouring port 105 to be connected to an external pouring machine.

Referring to fig. 3, the sleeve 202 is connected to the outer tube 108 by a connecting shaft 300, and the cable 107 is inserted into the outer tube 108 and passes through the connecting shaft 300 to enter the sleeve 202 to be connected to the clamp head assembly 200, wherein the connecting shaft 300 is rotatable relative to the sleeve 202 or the outer tube 108.

Referring to fig. 12, according to one embodiment, the connecting shaft 300 is rotatable relative to the outer tube 108 and fixed relative to the sleeve 202, specifically, the connecting shaft 300 is a hollow tube in a T-shaped configuration, and includes a thicker section 302 and a thinner section 301, the thicker section 302 is disposed in a distal end of the outer tube 108 and is axially limited by the distal end of the outer tube 108, the thicker section 302 is rotatably disposed relative to the outer tube 108, for example, the thicker section 302 is disposed in a gap between the thicker section 302 and the outer tube 108, the thinner section 301 is fixed relative to a proximal end of the sleeve 202, and the thinner section 301 and the proximal end of the sleeve 202 can be fixed by laser welding or riveting, so that by rotating the handle assembly 100, the cable 107 is driven to rotate, the cable 107 drives the notch pull rod 109 connected thereto to rotate, and the notch pull rod 109 is disposed in the sleeve 202, and further, since the notch pull rod 109 drives the first clamp 201A and the second clamp 201B to extend out of the front end of the sleeve 202 in a sheet shape, and further drives the sleeve 202 to rotate relative to the outer tube 108.

In another embodiment, not shown, the connecting shaft 300 is a hollow tube with an annular groove disposed circumferentially outward, the proximal end of the sleeve 202 is at least partially clamped into the annular groove, the proximal end of the sleeve 202 is fixed relative to the connecting shaft 300, and the proximal end of the annular groove is axially restrained by the distal inner side of the outer tube 108 and is rotatable circumferentially.

Referring to fig. 8, the cable 107 and the notch pull rod 109 are connected through the butt joint pipe 400 penetrating through the connecting shaft 300, the distal end of the cable 107 and the proximal end of the butt joint pipe 400 are welded or riveted so that the two are relatively fixed, the distal end of the butt joint pipe 400 is welded or riveted with the proximal end of the notch pull rod 109 so that the two are relatively fixed, and the butt joint pipe 400 is easier to assemble in process. In actual production, the notch pull rod 109 connected with the butt joint pipe 400 is firstly abutted with the clamp head assembly 200, namely, the proximal ends of the first clamp 201A and the second clamp 201B are abutted with the distal end of the butt joint pipe 400, when the proximal ends of the first clamp 201A and the second clamp 201B are cylindrical as shown in fig. 2-8, the cross section of the notch 1091 of the notch pull rod 109 is in a C shape, the notch 1091 can directly wrap the cylindrical proximal ends of the first clamp 201A and the second clamp 201B from the side, the matching is realized, then the combination passes through the sleeve 202, the partition plate of the sleeve 202 is installed, and the first clamp 201A and the second clamp 201B can be limited relative to the circumference of the sleeve 202. It can be appreciated that in this process, the butt joint pipe 400 may be connected with the notch pull rod 109 and the cable 107 at the same time, and then, after the notch pull rod 109 is assembled with the first clamp 201A and the second clamp 201B, the sleeve 202 and the outer pipe 104 wrapping the cable 107 are directly connected and fixed. The connection can be laser spot welding or riveting. Compared with the prior art, the three-section connection mode is changed into the three-section connection mode, and the assembly between the notch pull rod 109 and the first clamp 201A and the second clamp 201B is simpler, and the assembly can be completed through clamping.

Referring to fig. 9, according to the thermal biopsy forceps of the present embodiment, the first forceps 201A and the second forceps 201B each include a sampling cup and a connecting section that are connected to each other, the two connecting sections are joined at the proximal ends of the first forceps 201A and the second forceps 201B to form a connecting end 203, the sampling cup and the connecting sections are connected by an arc section, specifically, the first forceps 201A includes a sampling cup 2011A and an arc section 2012A, the second forceps 201B includes a sampling cup 2011B and an arc section 2012B, and the proximal ends of the arc section 2012A or the arc section 2012B extend toward a side far from the sleeve 202 and are connected with the corresponding sampling cup 2011A or sampling cup 2011B. Referring to fig. 10, a through hole 2013A is further provided on the sampling cup opening 2011A, in the actual clinical use process, when the thermal biopsy forceps clamp the human tissue and accommodate the forceps head assembly in the closed state, due to the mobility and elasticity of the human tissue, a certain abdication space is required to be given to the human tissue, so that hard damage to the human tissue is avoided, and the through hole 2013A provides such space, so that the human tissue can be extruded from the through hole 2013A after being clamped and pulled into the forceps head assembly 200, and the forceps head assembly 200 is convenient for scraping and sampling the target human tissue.

In the embodiment described above, the forceps head assembly 200 of the thermal biopsy forceps is formed by combining the integrated forceps and the sleeve 202, and mainly comprises the first forceps 201A and the second forceps 201B which are integrally formed and the sleeve 202 sleeved outside, while the two-piece type forceps sheets of the biopsy forceps in the prior art do not need to be assembled by matching with the link mechanism in the scheme of the embodiment, the forceps head assembly of the scheme has few parts, the inhaul cable 107 and the proximal ends of the first forceps 201A and the second forceps 201B only need to be clamped and assembled, the molding is simple, the assembly difficulty is greatly reduced, the assembly is faster, and the assembly is more suitable for automatic production and assembly.

Example two

Referring to fig. 13, according to a second embodiment of the present utility model, there is provided another thermal biopsy forceps, unlike the first embodiment, in which the distal end of the sleeve 202 is fixedly provided with a positioning assembly 500, and the sleeve 202 is no longer provided with a septum. Specifically, referring to fig. 15 and 16, after the first clamp 201A and the second clamp 201B are gradually retracted into the sleeve 202 and tend to be closed, the positioning assembly 500 is wrapped, and the positioning assembly 500 includes a base partition plate and a positioning needle disposed on the base partition plate, for the positioning assembly 500, this embodiment provides two embodiments, where, as one embodiment shown in fig. 15, the positioning assembly 500A includes a base partition plate 501A and a positioning needle 502A disposed on the base partition plate 501A, the positioning needle 502A has a cylindrical structure with a tapered head end, while, as compared with the embodiment shown in fig. 16, the base partition plate 501B is the same as the base partition plate 501A, except that, as compared with the embodiment shown in fig. 15, the positioning needle 502B has a sheet structure with a tapered head end, the embodiment of fig. 16 is easier to mass production, and the embodiment shown in fig. 15 can be implemented by integral molding, and the embodiment shown in fig. 15 requires processing two parts and welding and assembling separately.

As shown in fig. 13, the base spacer is fixed to the distal end of the sleeve 202, specifically, the base spacer may be welded to the distal end of the sleeve 202, and the base spacer has an end surface area smaller than the cross-sectional area of the passage of the sleeve 202, so that, when assembled, the first clamp 201A and the second clamp 201B in the closed state are first inserted into the sleeve 202, and then the assembled positioning assembly 500 is fixed to the distal end of the sleeve 202, specifically, the base spacer is welded to the distal end of the sleeve 202, and the base spacer has a racetrack-shaped plate structure as shown in fig. 15 and 16, because the base spacer has an end surface area smaller than the cross-sectional area of the passage of the sleeve 202.

Referring to fig. 8, in actual clinical use, the first clamp 201A and the second clamp 201B are pulled by the cable 107 through the notch pull rod 109, so as to move towards the inner side of the sleeve 202, the distal ends of the first clamp 201A and the second clamp 201B gradually approach each other until the distal ends of the sleeve 202 tend to close, and the arc section gradually abuts against and cooperates with the distal end of the sleeve 202, so that the sampling cup is prevented from being completely pulled into the sleeve 202.

In this embodiment, the positioning assembly 500 mainly helps the operator to position the target human tissue, when the thermal biopsy forceps enter the natural cavity of the human body along with the endoscope, and reach the vicinity of the target human tissue, the handle assembly 100 is operated to open the forceps head assembly 200 (mainly pushing the first forceps 201A and the second forceps 201B out of the sleeve 202 to open), so that the positioning assembly 500 is exposed, the position of the target human tissue is observed through the endoscope lens, the positioning needle on the positioning assembly can be pricked on the target human tissue by pushing the handle assembly 100 further, at this time, the forceps head assembly 200 is closed, so that the first forceps 201A and the second forceps 201B are gradually closed to clamp the target human tissue, then the sharp edge of the sampling cup can scrape and sample the target human tissue, after the sampling is completed, the human tissue gradually slides out of the sampling cup, the forceps head assembly 200 is opened, and the sampling result is put into the test bottle for pathological examination by a medical unit.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In this specification, a schematic representation of the terms does not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (10)

1. An integral type thermal biopsy forceps, integral type thermal biopsy forceps includes interconnect's binding clip subassembly and handle subassembly, the binding clip subassembly includes the sleeve that sets up the passageway inside and movably wears to establish first clamp and second clamp in the sleeve, first clamp and second clamp integrated into one piece, under the natural state, the distal end of first clamp and second clamp is kept away from each other, and stretches out outside the sleeve, first clamp and second clamp are received gradually telescopic in-process, the distal end of first clamp and second clamp is close gradually each other until tending to be closed, its characterized in that: the proximal ends of the first clamp and the second clamp are in cylindrical, polyhedral or spherical structures, the handle assembly comprises a pull rope and a notch pull rod connected to the distal end of the pull rope, a notch of the notch pull rod is suitable for wrapping the proximal ends of the first clamp and the second clamp, the handle assembly further comprises an outer tube, the sleeve is connected with the outer tube through a connecting shaft, and the pull rope penetrates through the outer tube and enters the sleeve to be connected with the clamp head assembly through the connecting shaft, and the connecting shaft is rotatable relative to the sleeve or the outer tube.

2. The integrated thermal biopsy forceps of claim 1, wherein: the connecting shaft is a hollow tube in T-shaped arrangement and comprises a thicker section and a thinner section, the thicker section is arranged in the far end of the outer tube and is limited by the far end of the outer tube in an axial direction, the thicker section is rotatably arranged relative to the outer tube, and the thinner section is relatively fixed with the near end of the sleeve.

3. The integrated thermal biopsy forceps of claim 1, wherein: the connecting shaft is a hollow pipe with an annular groove arranged on the outer side in the circumferential direction, the proximal end of the sleeve is at least partially clamped into the annular groove, the proximal end of the sleeve is relatively fixed with the connecting shaft, and the proximal end of the annular groove is axially limited by the inner side of the distal end of the outer pipe and can circumferentially rotate.

4. The integrated thermal biopsy forceps of claim 2, wherein: the stay cable is connected with the notch pull rod through a butt joint pipe penetrating through the connecting shaft, the distal end of the stay cable is relatively fixed with the proximal end of the butt joint pipe, and the distal end of the butt joint pipe is relatively fixed with the proximal end of the notch pull rod.

5. The integrated thermal biopsy forceps of claim 1, wherein: the first clamp and the second clamp both comprise a sampling cup opening and a connecting section which are connected with each other, the two connecting sections are connected with the proximal ends of the first clamp and the second clamp in a converging way, the sampling cup opening is connected with the connecting section through an arc-shaped section, and the proximal end of the arc-shaped section extends towards the direction away from one side of the sleeve and is connected with the sampling cup opening.

6. The integrated thermal biopsy forceps of claim 5, wherein: the distal end of the sleeve is fixedly provided with a positioning assembly, and the positioning assembly is wrapped after the first clamp and the second clamp are gradually retracted into the sleeve and tend to be closed.

7. The integrated thermal biopsy forceps of claim 6, wherein: the positioning assembly comprises a base partition plate and a positioning needle arranged on the base partition plate, and the base partition plate is fixed at the far end of the sleeve.

8. The integrated thermal biopsy forceps of claim 7, wherein: the base baffle is welded at the distal end of the sleeve, and the base baffle end surface area is smaller than the cross-sectional area of the passage of the sleeve.

9. The integrated thermal biopsy forceps of claim 8, wherein: the base partition plate is of a runway-shaped plate structure.

10. The integrated thermal biopsy forceps of claim 5, wherein: the first clamp and the second clamp are pulled by the inhaul cable to move towards the inside of the sleeve through the notch pull rod, the distal ends of the first clamp and the second clamp are gradually close to each other until the first clamp and the second clamp tend to be closed, and the arc-shaped section is gradually in abutting fit with the distal end of the sleeve to prevent the sampling cup opening from being pulled into the sleeve.