CN114711844A

CN114711844A - Multi-point biopsy sampling device for minimally invasive breast tumor surgery

Info

Publication number: CN114711844A
Application number: CN202210205227.4A
Authority: CN
Inventors: 竹伟
Original assignee: Gushi People's Hospital
Current assignee: Gushi People's Hospital
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-08

Abstract

The invention provides a multipoint biopsy sampling device for minimally invasive breast tumor surgery, which relates to the technical field of sampling devices and comprises: a forceps handle assembly; the clamp handle assembly comprises a first clamp handle, a second clamp handle, an arc-shaped insertion plate, a driving column and a limiting rod, the first clamp handle and the second clamp handle are rotatably connected through a rotating shaft, a long barrel is fixedly connected to the left side of the upper end of the first clamp handle, and a sampling mechanism is arranged at the left end of the long barrel. According to the invention, through the arrangement of the locking assembly, the phenomenon that two clamping parts are opened is avoided during sampling, the stability of clamping diseased tissues is improved, and the medicine feeding operation is convenient for the diseased regions through the arrangement of the medicine pumping mechanism, so that the practicability of the sampling device is improved, and the problems that the two clamping parts are opened during sampling of the conventional sampling device, the stability of clamping diseased tissues is reduced, and the conventional sampling device is single in function and inconvenient for medicine feeding operation on the diseased regions are solved.

Description

Multi-point biopsy sampling device for minimally invasive breast tumor surgery

Technical Field

The invention relates to the technical field of sampling devices, in particular to a multipoint biopsy sampling device for minimally invasive breast tumor surgery.

Background

Breast tumors, which are the most common symptoms of breast cancer, occur in the breast, and during the treatment of breast tumors, a biopsy is required, which is a technique for taking out pathological tissues from a patient body by cutting, clamping or puncturing and the like to perform pathological examination, and a biopsy sampling device is usually required during the biopsy.

Current sampling device is when the sample, though can make the clamp get the piece and pincers to the pathological change tissue and get through holding two pincers handles, but two clamps get the piece and get pathological change tissue back pincers, because two clamp get a outside and lack effectual structure of sheltering from, thereby make the pathological change tissue of pressing from both sides the piece of getting take place the phenomenon that drops very easily, thereby sampling device reliability when using has been reduced, and current sampling device is when the sample, need to hold two pincers handles whole times tightly, in case take place not hard up, will make two clamps get the piece and take place the opening phenomenon, thereby the steadiness when two clamps get the piece and press from both sides the piece and get pathological change tissue has been reduced, and current sampling device function singleness, can not be convenient for carry out the medicine loading operation to pathological change department, thereby sampling device's practicality has been reduced.

Disclosure of Invention

In view of this, the invention provides a multipoint biopsy sampling device for minimally invasive breast tumor surgery, which can avoid the whole process of tightly holding the first forceps handle and the second forceps handle during sampling and avoid the phenomenon of opening of the two clamping members by the arrangement of the locking assembly, thereby improving the stability of clamping diseased tissues, facilitating the medicine feeding operation on the diseased parts by the arrangement of the medicine pumping mechanism, and further improving the practicability of the sampling device.

The invention provides a multipoint biopsy sampling device for minimally invasive breast tumor surgery, which specifically comprises: a forceps handle assembly; the clamp handle assembly comprises a first clamp handle, a second clamp handle, an arc-shaped insertion plate, a driving column and a limiting rod, the first clamp handle and the second clamp handle are rotatably connected through a rotating shaft, a long barrel is fixedly connected to the left side of the upper end of the first clamp handle, a sampling mechanism is arranged at the left end of the long barrel, the arc-shaped insertion plate is fixedly connected to the lower portion of the front end face of the first clamp handle, and adjusting through holes are uniformly formed in the front end face of the arc-shaped insertion plate; the upper end of the first clamp handle is fixedly connected with a medicine storage barrel, a medicine pumping mechanism is arranged on the front side of the first clamp handle, a strip-shaped through hole is formed in the lower portion of the left end face of the first clamp handle, and a locking assembly is arranged on the front side of the second clamp handle; the second pincers handle front side upper portion fixedly connected with drives the post, and second pincers handle left side fixedly connected with gag lever post, and the gag lever post runs through the bar opening on the first pincers handle, and the gag lever post left end is equipped with the stopper to the gag lever post outside has cup jointed the spring.

Optionally, the sampling mechanism comprises a rectangular cylinder, a sliding block, clamping pieces, a rectangular frame, a pull rope, a cutter and a V-shaped elastic piece, the rectangular cylinder is fixedly connected to the left end of the long cylinder, the sliding block is connected to the inside of the rectangular cylinder in a sliding manner, the left end of the sliding block is rotatably connected with two clamping pieces through a rotating shaft, and the V-shaped elastic piece is arranged on the right side between the two clamping pieces; a rectangular groove is formed in the left side of the opposite surface of each clamping piece, a rectangular frame is arranged on the left side of the opposite surface of each clamping piece and located outside the rectangular groove, and a cutter is arranged at the left end of each clamping piece; the right end of the sliding block is connected with a pull rope, and the pull rope penetrates through the inside of the long cylinder piece and the upper end of the first clamp handle.

Optionally, there is sealed lid at storage medicine bucket top through threaded connection, and the inside fixed waterproof ventilative cloth of inlaying of sealed lid up end, sealed lid up end rotates through T type post and is connected with a connection rope, and connects rope other end fixed connection in first pincers handle upper end.

Optionally, the locking assembly comprises a rectangular sliding shell, a rectangular sliding block, a T-shaped pull rod, a second pull rope, a driving plate, a T-shaped guide rod and an insertion column, the rectangular sliding shell is fixedly connected to the front side of the second clamp handle, the rectangular sliding block is slidably connected inside the rectangular sliding shell, the front end of the rectangular sliding block is connected with the T-shaped pull rod penetrating through the front side wall of the rectangular sliding shell, and a spring is sleeved inside the rectangular sliding shell outside the T-shaped pull rod; the rear end of the rectangular sliding block is connected with an inserting column penetrating through the rear side wall of the rectangular sliding shell; the front end of the T-shaped pull rod is connected with a second pull rope, the other end of the second pull rope is connected with a driving plate, two pulleys are connected to the outside of the second pull rope in a sliding mode, the two pulleys are installed on the rectangular sliding shell through a support, and a pressing rod is arranged on the driving plate; four T-shaped guide rods are slidably connected to the driving plate, rectangular plates are fixedly connected to the lower ends of the four T-shaped guide rods, springs are sleeved on the rear sides of the driving plate outside the T-shaped guide rods, and the rectangular plates are fixedly connected to the front end face of the second clamp handle.

Optionally, the medicine pumping mechanism comprises a medicine pumping cylinder, a medicine suction pipe, a medicine conveying pipe, a one-way valve A and a one-way valve B, the medicine pumping cylinder is fixedly connected to the front side of the first forceps handle, the two interfaces at the left end of the medicine pumping cylinder are respectively provided with the one-way valve A and the one-way valve B, the other end of the one-way valve A is connected with the medicine suction pipe, and the other end of the medicine suction pipe is connected with a medicine outlet of the medicine storage barrel; the other end of the one-way valve B is connected with a drug delivery pipe, and the drug delivery pipe is fixedly connected to the front sides of the long barrel part and the rectangular barrel.

Optionally, the medicine pumping mechanism further comprises a guide plate, pulling rods, a piston and a driving frame, the guide plate is fixedly connected to the right end of the medicine pumping cylinder, the three pulling rods are slidably connected to the guide plate, the piston is fixedly connected to the left end of the sang root pulling rod, and the piston is in close contact with the inner wall of the medicine pumping cylinder; the right ends of the three pulling rods are connected with a driving frame, and the inner side of the driving frame is connected with a driving column in a sliding mode.

Optionally, when the two clamping members are in the folded closed state, the two clamping members will be located inside the rectangular cylinder, and the two rectangular frames are in the closed state.

Optionally, a spring is sleeved outside the pull rope, and the spring outside the pull rope is located inside the rectangular cylinder.

Optionally, when the locking assembly is in a limiting state, the rear end of the plug column is plugged into one of the adjusting through holes in the arc-shaped plug board.

Optionally, when the pressing rod on the driving plate is in a backward pressing state, the plugging column is pulled out from one of the adjusting through holes on the arc-shaped plugging plate.

Advantageous effects

According to the sampling device of each embodiment of the invention, compared with the traditional sampling device, through the matching of the rectangular cylinder and the two clamping pieces, during sampling, the lower end of the second forceps handle is tightly held to the first forceps handle through a thumb, so that the pull rope, the sliding block and the two clamping pieces move rightwards, the two clamping pieces start to be closed under the action of the cylinder opening at the left end of the rectangular cylinder, then in the closing process, the diseased tissue is clamped, the two cutters cut off, and when the two clamping pieces continue moving rightwards, the two clamping pieces enter the rectangular cylinder with the clamped diseased tissue, so that the outer parts of the two clamping pieces can obtain an effective shielding effect, the probability of the clamped diseased tissue falling phenomenon is reduced, and the reliability of the sampling device during use is improved.

In addition, through the setting of locking subassembly, get the back when pathological change tissue clamp, can loosen the pressure bar on the drive board of thumb fingertip, make the drive board move forward under the spring action, then the second stay cord loses the pulling force effect, then the rectangle sliding block drives the post of pegging graft rearward under the spring action, thereby make the post of pegging graft connect inside one of them adjusting through hole on the arc plugboard, thereby make and can obtain effective locking effect between second pincers handle and the first pincers handle, thereby make this sampling device when the sample, need not to grip first pincers handle and second pincers handle whole journey, thereby difficult emergence is not hard up the phenomenon, avoided two clamping to take place opening phenomenon, thereby the steadiness when having improved two clamping to get the piece clamp and get pathological change tissue.

In addition, through the setting of drawing medicine mechanism, when needs are gone up the medicine operation to pathological change department, only need to grip and loosen the operation through manual second pincers handle and first pincers handle, can make the drive post through driving the frame, the pulling rod drives the piston and removes about drawing the cartridge case is inside, when the piston moves right, the inside suction that produces of medicine suction pipe, and extract the inside liquid medicine of storage medicine bucket and take out inside the cartridge case, then when the piston moves left, the inside liquid medicine of taking out inside the cartridge case through check valve B propelling movement to medicine conveying pipe through the piston, then spray to pathological change department through medicine conveying pipe export, grip and loosen the operation through reciprocal second pincers handle and first pincers handle, can carry the inside liquid medicine of storage medicine bucket to pathological change position, thereby can be convenient for go up the medicine operation to pathological change department, and then improve this sampling device's practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

FIG. 1 shows a schematic diagram of the overall structure of a sampling device according to an embodiment of the present invention;

FIG. 2 shows a schematic view of a sampling device according to an embodiment of the present invention in a disassembled state;

FIG. 3 shows a schematic view of a forceps handle assembly and a hub assembly according to an embodiment of the invention;

fig. 4 shows a schematic view of a plug assembly according to an embodiment of the invention;

FIG. 5 shows a schematic view, partly in section, of a rectangular cylinder and a long cylinder according to an embodiment of the invention;

FIG. 6 shows a schematic view of a drug storage barrel and drug withdrawal mechanism according to an embodiment of the present invention;

figure 7 shows a schematic drawing in partial cross-section of an extractor cartridge according to an embodiment of the invention;

FIG. 8 shows a schematic diagram at a partial enlargement in FIG. 1 according to an embodiment of the invention.

List of reference numerals

1. A forceps handle assembly; 101. a first plier handle; 102. a second plier handle; 103. an arc-shaped plugboard; 104. driving the column; 105. a limiting rod; 2. a long cylindrical member; 3. a sampling mechanism; 301. a rectangular cylinder; 302. a slider; 303. clamping the workpiece; 304. a rectangular frame; 305. pulling a rope; 306. a cutter; 307. a V-shaped elastic sheet; 4. a medicine storage barrel; 401. a sealing cover; 402. waterproof breathable cloth; 403. connecting ropes; 5. a locking assembly; 501. a rectangular slide case; 502. a rectangular slider; 503. a T-shaped pull rod; 504. a second pull cord; 505. driving the plate; 506. a T-shaped guide rod; 507. inserting the column; 6. a drug pumping mechanism; 601. drawing a medicine box; 602. a drug suction tube; 603. a drug delivery tube; 604. a one-way valve A; 605. a check valve B; 606. a guide plate; 607. pulling a rod; 608. a piston; 609. the frame is driven.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

Example (b): please refer to fig. 1 to 8:

the invention provides a multipoint biopsy sampling device for minimally invasive breast tumor surgery, which comprises: a forceps handle assembly 1; the clamp handle assembly 1 comprises a first clamp handle 101, a second clamp handle 102, an arc-shaped insertion plate 103, a driving column 104 and a limiting rod 105, the first clamp handle 101 and the second clamp handle 102 are rotatably connected through a rotating shaft, the left side of the upper end of the first clamp handle 101 is fixedly connected with a long cylinder part 2, the left end of the long cylinder part 2 is provided with a sampling mechanism 3, the lower part of the front end face of the first clamp handle 101 is fixedly connected with the arc-shaped insertion plate 103, and the front end face of the arc-shaped insertion plate 103 is uniformly provided with adjusting through holes; the upper end of the first clamp handle 101 is fixedly connected with a medicine storage barrel 4, the front side of the first clamp handle 101 is provided with a medicine pumping mechanism 6, the lower part of the left end face of the first clamp handle 101 is provided with a strip-shaped through opening, and the front side of the second clamp handle 102 is provided with a locking assembly 5; second pincers handle 102 front side upper portion fixedly connected with drives post 104, and second pincers handle 102 left side fixedly connected with gag lever post 105, and gag lever post 105 runs through the bar opening on the first pincers handle 101, and gag lever post 105 left end is equipped with the stopper, and the gag lever post 105 outside has cup jointed the spring, thereby makes second pincers handle 102 lower extreme have the elasticity of right rotation, thereby can make second pincers handle 102 lower extreme automatic recovery to the normal position after holding tightly.

In addition, according to the embodiment of the present invention, as shown in fig. 1 and 5, the sampling mechanism 3 includes a rectangular cylinder 301, a sliding block 302, a clamping member 303, a rectangular frame 304, a pulling rope 305, a cutting knife 306, and a V-shaped elastic sheet 307, the rectangular cylinder 301 is fixedly connected to the left end of the long cylinder 2, the sliding block 302 is slidably connected inside the rectangular cylinder 301, the left end of the sliding block 302 is rotatably connected to two clamping members 303 through a rotating shaft, and the V-shaped elastic sheet 307 is arranged on the right side between the two clamping members 303, so that the clamping member 303 can be automatically opened after being moved out from the inside of the rectangular cylinder 301 to the left, thereby facilitating the clamping operation of the lesion tissue; rectangular grooves are formed in the left sides of the opposite surfaces of the two clamping pieces 303, a rectangular frame 304 is arranged on the left side of the opposite surface of each clamping piece 303, which is positioned outside the rectangular groove, and a cutter 306 is arranged at the left end of each clamping piece 303; the right end of the sliding block 302 is connected with a pull rope 305, and the pull rope 305 penetrates through the inside of the long cylinder part 2 and the upper end of the first clamp handle 101; when the two clamping pieces 303 are in the folded and closed state, the two clamping pieces 303 are positioned inside the rectangular cylinder 301, and the two rectangular frames 304 are in the closed state; a spring is sleeved outside the pull rope 305, the spring outside the pull rope 305 is positioned inside the rectangular cylinder 301, and the sliding block 302 has elasticity of moving leftwards through the spring outside the pull rope 305;

as shown in fig. 1 and 6, the top of the medicine storage barrel 4 is connected with a sealing cover 401 through a thread, and a waterproof and breathable cloth 402 is fixedly embedded in the upper end face of the sealing cover 401, so that the sealing cover 401 has good breathability, the upper end face of the sealing cover 401 is rotatably connected with a connecting rope 403 through a T-shaped column, the phenomenon that the sealing cover 401 falls and is lost after being unscrewed and removed is avoided, and the other end of the connecting rope 403 is fixedly connected to the upper end of the first forceps handle 101 and used for storing medicines through the arrangement of the medicine storage barrel 4;

as shown in fig. 3 and 4, the locking assembly 5 includes a rectangular sliding shell 501, a rectangular sliding block 502, a T-shaped pull rod 503, a second pull rope 504, a driving plate 505, a T-shaped guide rod 506 and an insertion column 507, the rectangular sliding shell 501 is fixedly connected to the front side of the second forceps handle 102, the rectangular sliding block 502 is slidably connected inside the rectangular sliding shell 501, the T-shaped pull rod 503 penetrating through the front side wall of the rectangular sliding shell 501 is connected to the front end of the rectangular sliding block 502, and a spring is sleeved inside the rectangular sliding shell 501 outside the T-shaped pull rod 503; the rear end of the rectangular sliding block 502 is connected with a plug column 507 penetrating through the rear side wall of the rectangular sliding shell 501; the front end of the T-shaped pull rod 503 is connected with a second pull rope 504, the other end of the second pull rope 504 is connected with a driving plate 505, two pulleys are connected to the outside of the second pull rope 504 in a sliding manner, the two pulleys are installed on the rectangular sliding shell 501 through a support, and a pressing rod is arranged on the driving plate 505; four T-shaped guide rods 506 are connected to the driving plate 505 in a sliding mode, the lower ends of the four T-shaped guide rods 506 are fixedly connected with a rectangular plate, springs are sleeved on the outer portion of each T-shaped guide rod 506, located on the rear side of the driving plate 505, and the rectangular plate is fixedly connected to the front end face of the second clamp handle 102; when the locking assembly 5 is in a limiting state, the rear end of the insertion column 507 is inserted into one of the adjusting through holes on the arc-shaped insertion plate 103, so that the second forceps handle 102 and the first forceps handle 101 are effectively locked, and the stability of the two clamping pieces 303 in clamping diseased tissues is improved; when the pressing rod on the driving plate 505 is in a backward pressing state, the inserting column 507 is pulled out from one of the adjusting through holes on the arc-shaped inserting plate 103, so that the locking effect between the second clamp handle 102 and the first clamp handle 101 is lost;

as shown in fig. 2 and fig. 6, the medicine pumping mechanism 6 includes a medicine pumping barrel 601, a medicine suction pipe 602, a medicine conveying pipe 603, a check valve a604 and a check valve B605, the medicine pumping barrel 601 is fixedly connected to the front side of the first forceps handle 101, and the two interfaces at the left end of the medicine pumping barrel 601 are respectively provided with the check valve a604 and the check valve B605, through the arrangement of the check valve a604, the medicine liquid can only enter the medicine pumping barrel 601 from the medicine suction pipe 602, but cannot enter the medicine suction pipe 602 from the inside of the medicine pumping barrel 601; through the arrangement of the one-way valve B605, the liquid medicine can only enter the medicine conveying pipe 603 from the interior of the medicine pumping barrel 601, but cannot enter the medicine pumping barrel 601 from the interior of the medicine conveying pipe 603; the other end of the one-way valve A604 is connected with a medicine suction pipe 602, and the other end of the medicine suction pipe 602 is connected with a medicine outlet of the medicine storage barrel 4; the other end of the one-way valve B605 is connected with a drug delivery pipe 603, and the drug delivery pipe 603 is fixedly connected to the front sides of the long barrel part 2 and the rectangular barrel 301; the medicine pumping mechanism 6 further comprises a guide plate 606, a pulling rod 607, a piston 608 and a driving frame 609, wherein the guide plate 606 is fixedly connected to the right end of the medicine pumping cylinder 601, the three pulling rods 607 are slidably connected to the guide plate 606, the piston 608 is fixedly connected to the left end of the sang root pulling rod 607, and the piston 608 is in close contact with the inner wall of the medicine pumping cylinder 601; the right ends of the three pulling rods 607 are connected with a driving frame 609, the inner side of the driving frame 609 is slidably connected with the driving column 104, and through the arrangement of the medicine pumping mechanism 6, when the second clamp handle 102 and the first clamp handle 101 are held and loosened, the liquid medicine in the medicine storage barrel 4 is conveyed to a pathological change position.

The specific use mode and function of the embodiment are as follows: in the invention, during sampling, a thumb and a forefinger of a right hand pass through circles at the lower ends of a first forceps handle 101 and a second forceps handle 102, then the head ends of two clamping pieces 303 are placed at the position of a diseased tissue of a patient, then a pressing rod on a driving plate 505 is pressed backwards through the fingertip of the thumb of the right hand, so that a second pulling rope 504 drives a T-shaped pulling rod 503, a rectangular sliding block 502 and an inserting column 507 to move forwards, so that the inserting column 507 is pulled out from one of adjusting through holes on an arc-shaped inserting plate 103, then the lower end of the second forceps handle 102 is tightly held to the position of the first forceps handle 101 through the thumb, so that the upper end of the second forceps handle 102 drives a pulling rope sliding block 305 to move rightwards, then the pulling rope 305 drives the sliding block 302 and the two clamping pieces 303 to move rightwards, so that the two clamping pieces 303 start to be closed under the action of a left end barrel of a rectangular barrel 301, and then the diseased tissue is clamped in the closing process, the two cutters 306 are used for cutting, when the two clamping pieces 303 continue to move rightwards, the two clamping pieces 303 bring the clamped lesion tissues into the rectangular cylinder 301, and therefore the clamped lesion tissues are not prone to falling off;

after the lesion tissue is clamped, the pressing rod on the driving plate 505 of the fingertip of the thumb can be loosened, so that the driving plate 505 moves forwards under the action of the spring, then the second pull rope 504 loses the pulling force, and then the rectangular sliding block 502 drives the inserting column 507 to move backwards under the action of the spring outside the T-shaped pull rod 503, so that the inserting column 507 is inserted into one of the adjusting through holes on the arc-shaped inserting plate 103, and the effective locking effect can be obtained between the second forceps handle 102 and the first forceps handle 101;

when the medicine is required to be applied to the pathological changes, the second clamp handle 102 and the first clamp handle 101 are manually held and loosened, the driving column 104 can drive the driving frame 609 to move left and right, then the pulling rod 607 drives the piston 608 to move left and right in the medicine drawing barrel 601, when the piston 608 moves right, the inside of the medicine suction pipe 602 generates suction force, the medicine liquid in the medicine storage barrel 4 is drawn into the medicine drawing barrel 601, then when the piston 608 moves left, the medicine liquid in the medicine drawing barrel 601 is pushed to the inside of the medicine conveying pipe 603 through the one-way valve B605 through the piston 608, and then the medicine liquid is sprayed to the pathological changes through the outlet of the medicine conveying pipe 603.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A multi-point biopsy sampling device for minimally invasive surgery of breast tumors, comprising: a forceps handle assembly (1); the clamp handle assembly (1) comprises a first clamp handle (101), a second clamp handle (102), an arc-shaped insertion plate (103), a driving column (104) and a limiting rod (105), the first clamp handle (101) and the second clamp handle (102) are rotationally connected through a rotating shaft, a long cylinder piece (2) is fixedly connected to the left side of the upper end of the first clamp handle (101), a sampling mechanism (3) is arranged at the left end of the long cylinder piece (2), the arc-shaped insertion plate (103) is fixedly connected to the lower portion of the front end face of the first clamp handle (101), and adjusting through holes are uniformly formed in the front end face of the arc-shaped insertion plate (103); the upper end of the first clamp handle (101) is fixedly connected with a medicine storage barrel (4), a medicine pumping mechanism (6) is installed on the front side of the first clamp handle (101), a strip-shaped through opening is formed in the lower portion of the left end face of the first clamp handle (101), and a locking assembly (5) is arranged on the front side of the second clamp handle (102); the upper portion of the front side of the second clamp handle (102) is fixedly connected with a driving column (104), the left side of the second clamp handle (102) is fixedly connected with a limiting rod (105), the limiting rod (105) penetrates through a strip-shaped through hole in the first clamp handle (101), the left end of the limiting rod (105) is provided with a limiting block, and a spring is sleeved outside the limiting rod (105).

2. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 1, wherein: the sampling mechanism (3) comprises a rectangular cylinder (301), a sliding block (302), clamping pieces (303), a rectangular frame (304), a pull rope (305), a cutter (306) and a V-shaped elastic sheet (307), the rectangular cylinder (301) is fixedly connected to the left end of the rectangular cylinder (2), the sliding block (302) is connected to the inside of the rectangular cylinder (301) in a sliding mode, the left end of the sliding block (302) is rotatably connected with the two clamping pieces (303) through a rotating shaft, and the V-shaped elastic sheet (307) is arranged on the right side between the two clamping pieces (303); a rectangular groove is formed in the left side of the opposite surface of each of the two clamping pieces (303), a rectangular frame (304) is arranged on the left side of the opposite surface of each of the two clamping pieces (303) and positioned outside the rectangular groove, and a cutter (306) is arranged at the left end of each of the two clamping pieces (303); the right end of the sliding block (302) is connected with a pull rope (305), and the pull rope (305) penetrates through the inside of the long barrel part (2) and the upper end of the first clamp handle (101).

3. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 1, wherein: store up explosive barrel (4) top and have sealed lid (401) through threaded connection, and sealed lid (401) up end inside fixed inlays and have waterproof ventilative cloth (402), sealed lid (401) up end rotates through T type post to be connected with one and connects rope (403), and connects rope (403) other end fixed connection in first pincers handle (101) upper end.

4. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 1, wherein: the locking assembly (5) comprises a rectangular sliding shell (501), a rectangular sliding block (502), a T-shaped pull rod (503), a second pull rope (504), a driving plate (505), a T-shaped guide rod (506) and an inserting column (507), the rectangular sliding shell (501) is fixedly connected to the front side of the second clamp handle (102), the rectangular sliding block (502) is connected to the inside of the rectangular sliding shell (501) in a sliding mode, the front end of the rectangular sliding block (502) is connected with the T-shaped pull rod (503) penetrating through the front side wall of the rectangular sliding shell (501), and a spring is sleeved inside the rectangular sliding shell (501) outside the T-shaped pull rod (503); the rear end of the rectangular sliding block (502) is connected with an insertion column (507) penetrating through the rear side wall of the rectangular sliding shell (501); the front end of the T-shaped pull rod (503) is connected with a second pull rope (504), the other end of the second pull rope (504) is connected with a driving plate (505), two pulleys are connected to the outside of the second pull rope (504) in a sliding mode, the two pulleys are installed on a rectangular sliding shell (501) through a support, and a pressing rod is arranged on the driving plate (505); the four T-shaped guide rods (506) are connected to the driving plate (505) in a sliding mode, the lower ends of the four T-shaped guide rods (506) are fixedly connected with a rectangular plate, springs are sleeved on the rear side, located on the driving plate (505), of the outer portion of each T-shaped guide rod (506), and the rectangular plate is fixedly connected to the front end face of the second clamp handle (102).

5. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 2, wherein: the medicine pumping mechanism (6) comprises a medicine pumping barrel (601), a medicine suction pipe (602), a medicine conveying pipe (603), a one-way valve A (604) and a one-way valve B (605), the medicine pumping barrel (601) is fixedly connected to the front side of the first forceps handle (101), the two interfaces at the left end of the medicine pumping barrel (601) are respectively provided with the one-way valve A (604) and the one-way valve B (605), the other end of the one-way valve A (604) is connected with the medicine suction pipe (602), and the other end of the medicine suction pipe (602) is connected with a medicine outlet of the medicine storage barrel (4); the other end of the one-way valve B (605) is connected with a drug delivery pipe (603), and the drug delivery pipe (603) is fixedly connected with the front sides of the long barrel part (2) and the rectangular barrel (301).

6. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor according to claim 5, wherein: the medicine pumping mechanism (6) further comprises a guide plate (606), a pulling rod (607), a piston (608) and a driving frame (609), wherein the guide plate (606) is fixedly connected to the right end of the medicine pumping cylinder (601), the guide plate (606) is connected with the three pulling rods (607) in a sliding mode, the piston (608) is fixedly connected to the left end of the mulberry root pulling rod (607), and the piston (608) is in close contact with the inner wall of the medicine pumping cylinder (601); the right ends of the three pulling rods (607) are connected with a driving frame (609), and the inner side of the driving frame (609) is connected with a driving column (104) in a sliding manner.

7. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 2, wherein: when the two clamping pieces (303) are in the folding closed state, the two clamping pieces (303) are positioned inside the rectangular cylinder (301), and the two rectangular frames (304) are in the closed state.

8. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 2, wherein: the spring is sleeved outside the pull rope (305), and the spring outside the pull rope (305) is located inside the rectangular cylinder (301).

9. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 4, wherein: when the locking assembly (5) is in a limiting state, the rear end of the insertion column (507) is inserted into one of the adjusting through holes in the arc-shaped insertion plate (103).

10. The multi-point biopsy sampling device for minimally invasive surgery on a breast tumor of claim 4, wherein: when the pressing rod on the driving plate (505) is in a backward pressing state, the plugging column (507) is pulled out of one of the adjusting through holes on the arc-shaped plugging plate (103).