CN215306538U

CN215306538U - Puncture biopsy device for tumor tissue

Info

Publication number: CN215306538U
Application number: CN202121790314.8U
Authority: CN
Inventors: 王斌; 杨福雪
Original assignee: Tianjin huanhu hospital
Current assignee: Tianjin huanhu hospital
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-28
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to the technical field of needle biopsy, and discloses a needle biopsy device for tumor tissues, which comprises a connecting frame and a puncture needle, wherein the puncture needle is fixedly arranged on the left side of the connecting frame, a pull block is movably arranged on the outer part of the connecting frame, an absorption assembly fixedly connected with the pull block is fixedly arranged in the connecting frame, a movable plate is movably arranged on the outer part of the connecting frame, a positioning piece penetrating through the movable plate is inserted into the left side of the connecting frame, a sampling head extending into the puncture needle is fixedly arranged on the left side of the movable plate, a sampling port is formed in the top of the sampling head, the sampling head is communicated with the absorption assembly through a hose, and the connecting frame comprises a pressing plate, a guide rod, a connecting plate and a fixing plate. This puncture biopsy device for tumor tissue can absorb and cut tumor tissue, has reduced tumor tissue's the sample degree of difficulty, has improved sample collection efficiency, and it is more simple convenient to use the operation.

Description

Puncture biopsy device for tumor tissue

Technical Field

The utility model relates to the technical field of needle biopsy, in particular to a needle biopsy device for tumor tissues.

Background

Bone and soft tissue tumors are diseases seriously harming human health and life, the incidence rate gradually rises in recent years, the age of the disease gradually decreases, early detection, correct diagnosis and timely treatment have important influence on prognosis, the diagnosis correct rate is gradually improved along with the continuous improvement of examination means and methods, but a large part of tumors still have no typical imaging characteristics and are difficult to diagnose, and the correct diagnosis needs three combinations of clinic, image and pathology, wherein the pathological diagnosis plays a key role in the selection of a treatment scheme, and the needle biopsy is a main way for obtaining the pathological diagnosis.

When the existing puncture biopsy device for tumor tissues is used for sampling tissues, a needle head is inserted for sampling, the difficulty of cutting off the tumor tissues by the needle head is high, a user needs to continuously move to suck the tumor tissues, and the use is inconvenient, so that the problem of the puncture biopsy device for the tumor tissues is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a puncture biopsy device for tumor tissues, which has the advantages of convenience in use and the like, and solves the problems that when the existing puncture biopsy device for tumor tissues is used for sampling tissues, a needle head is inserted for sampling, the difficulty of cutting off the tumor tissues by the needle head is high, a user needs to continuously move for sucking, and the use is inconvenient.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a puncture biopsy device for tumor tissue, includes link and pjncture needle, the left side fixed mounting of link has the pjncture needle, the outside movable mounting of link has the piece of drawing, the inside fixed mounting of link has and draws a fixed connection's absorption subassembly, the outside movable mounting of link has the fly leaf, the left side cartridge of link has the setting element that runs through the fly leaf, the left side fixed mounting of fly leaf has the sample connection that extends to the pjncture needle inside, the sample connection has been seted up at the top of sample connection, the sample connection passes through the hose intercommunication with the absorption subassembly.

The utility model has the beneficial effects that:

the puncture biopsy device for tumor tissue inserts the puncture needle into the body of a patient when sampling the tumor tissue, and the needle head is moved into the tumor tissue, at the moment, the positioning piece can be taken down, the movable plate is pushed leftwards, the sampling head is driven to move leftwards to the interior of the tumor tissue, the pull block is pulled rightwards, the tissue is sucked into the sampling head through the sampling port by the suction force generated by the suction component and the hose, and the movable plate is pushed to the right side, the sampling head can enter the puncture needle again, the tumor tissue is cut by the inner wall of the puncture needle matching with the sampling port, the tumor tissue is left in the sampling port, can take off the pjncture needle and accomplish the extraction operation of tumour tissue, this device stable in structure is reasonable, can absorb and cut tumour tissue, has reduced tumour tissue's the sample degree of difficulty, has improved sample collection efficiency, uses the operation more simple convenient.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the link includes according to board, guide bar, connecting plate and fixed plate, it is two guide bars to press the left side fixed mounting of board, two the left side fixed mounting of guide bar has the connecting plate, two the outside fixed mounting of guide bar has the fixed plate, the fixed plate with absorb subassembly fixed connection, the guide bar with draw piece and fly leaf sliding connection, connecting plate and pjncture needle fixed connection.

Adopt above-mentioned further scheme's beneficial effect to be, two guide bars that set up can make and draw piece and fly leaf to carry out lateral shifting, press the board and can support user's palm when using, convenience of customers stimulates and draws the piece.

Furthermore, the front of drawing the piece and having seted up finger socket, setting element and fly leaf threaded connection, the left end outside of setting element is provided with anti-skidding line.

The beneficial effect of adopting above-mentioned further scheme is that thereby the finger socket that draws the positive the seting up of piece can facilitate the user with the finger insert pull piece and carry out the sideslip, setting element and fly leaf threaded connection can fix a position the fly leaf before the pjncture needle inserts patient internal, the antiskid line that sets up can facilitate the user wrench movement setting element.

Further, the suction assembly comprises an outer barrel, a piston and a connecting rod, the outer barrel is fixedly connected with the connecting frame, the piston is movably mounted inside the outer barrel, the connecting rod is fixedly connected with the pull block and fixedly mounted on the right side of the piston, and the left side of the outer barrel is communicated with the hose.

The beneficial effect of adopting the above further scheme is that when the connecting rod is pulled to the right side by the pulling block, the piston is driven to move rightwards, so that negative pressure is formed in the outer barrel, and air in the hose is twisted to the inner part of the outer barrel.

Furthermore, the interior of the puncture needle is matched with the exterior of the sampling head, and the length of the puncture needle is smaller than that of the sampling head.

The beneficial effect who adopts above-mentioned further scheme is that, pjncture needle internal diameter and the external diameter adaptation of sample head for the sample head can move in the inside of pjncture needle, and the length of pjncture needle is less than the length of sample head and makes the sample head can have one end to be located the outside of pjncture needle all the time.

Furthermore, the left end angle of sampling head equals the left end angle of pjncture needle, the outside fixed mounting of fly leaf has the plectrum.

Adopt above-mentioned further scheme's beneficial effect to be, the resistance when can reducing the patient's health that the sample head equals with pjncture needle left end angle, and the plectrum that sets up can facilitate the user to promote the fly leaf and remove.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the connecting frame of the present invention;

FIG. 3 is a schematic view of the tip configuration of the needle of the present invention;

fig. 4 is a schematic structural diagram of the sucking assembly of the present invention.

In the figure: 1. a connecting frame; 11. pressing a plate; 12. a guide bar; 13. a connecting plate; 14. a fixing plate; 2. puncturing needle; 3. a sampling head; 4. pulling the block; 5. a suction assembly; 51. an outer cylinder; 52. a piston; 53. a connecting rod; 6. a movable plate; 7. a positioning member; 8. a hose; 9. a sampling port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, a needle biopsy device for tumor tissue includes a connecting frame 1 and a puncture needle 2, the left side of the connecting frame 1 is fixedly provided with the puncture needle 2, the outside of the connecting frame 1 is movably provided with a pull block 4, the inside of the connecting frame 1 is fixedly provided with an absorption component 5 fixedly connected with the pull block 4, the outside of the connecting frame 1 is movably provided with a movable plate 6, the left side of the connecting frame 1 is inserted with a positioning component 7 penetrating through the movable plate 6, the left side of the movable plate 6 is fixedly provided with a sampling head 3 extending to the inside of the puncture needle 2, the top of the sampling head 3 is provided with a sampling port 9, the sampling head 3 is communicated with the absorption component 5 through a hose 8, the connecting frame 1 includes a pressing plate 11, guide rods 12, a connecting plate 13 and a fixing plate 14, the left side of the pressing plate 11 is fixedly provided with two guide rods 12, the left sides of the two guide rods 12 are fixedly provided with the connecting plate 13, the fixed plate 14 is fixedly arranged outside the two guide rods 12, the fixed plate 14 is fixedly connected with the suction assembly 5, the guide rods 12 are slidably connected with the pull block 4 and the movable plate 6, the connecting plate 13 is fixedly connected with the puncture needle 2, the two guide rods 12 are arranged to enable the pull block 4 and the movable plate 6 to move transversely, the press plate 11 can be used to support the palm of a user, the pull block 4 is pulled by the user conveniently, the front side of the pull block 4 is provided with a finger socket, the positioning member 7 is in threaded connection with the movable plate 6, the left end of the positioning member 7 is externally provided with anti-skid lines, the finger socket arranged on the front side of the pull block 4 can be used for the user to insert fingers so as to pull the pull block 4 to move transversely, the positioning member 7 is in threaded connection with the movable plate 6 to position the movable plate 6 before the puncture needle 2 is inserted into the body of the patient, the anti-skid lines are arranged so that the user can twist the positioning member 7 conveniently, the suction assembly 5 comprises an outer barrel 51, The piston 52 is fixedly connected with the connecting rod 53, the outer cylinder 51 is fixedly connected with the connecting frame 1, the piston 52 is movably arranged in the outer cylinder 51, the connecting rod 53 fixedly connected with the pull block 4 is fixedly arranged on the right side of the piston 52, the left side of the outer cylinder 51 is communicated with the hose 8, when the connecting rod 53 is pulled towards the right side by the pull block 4, the piston 52 is driven to move rightwards, so that negative pressure is formed in the outer cylinder 51, air in the hose 8 is twisted towards the inside of the outer cylinder 51, the inside of the puncture needle 2 is matched with the outside of the sampling head 3, the length of the puncture needle 2 is smaller than that of the sampling head 3, the inner diameter of the puncture needle 2 is matched with the outer diameter of the sampling head 3, so that the sampling head 3 can move in the puncture needle 2, the length of the puncture needle 2 is smaller than that the sampling head 3 can always have one end positioned outside the puncture needle 2, and the left end angle of the sampling head 3 is equal to that of the left end 2, the outside fixed mounting of fly leaf 6 has the plectrum, and the resistance when getting into patient's health can be reduced to sample head 3 and pjncture needle 2 left end angle equals, and the plectrum that sets up can make things convenient for the user to promote fly leaf 6 and remove.

The working principle is as follows:

when carrying out tumour tissue sampling operation, it is internal to insert pjncture needle 2 into the patient, and make syringe needle department remove to tumour tissue in, setting element 7 can be taken off this moment, promote fly leaf 6 left, it removes to tumour tissue inside to drive sampling head 3 left, pull piece 4 to the right side pulling, suction through absorbing subassembly 5 and hose 8 production, pass through sample connection 9 with organizing and inhale the inside of sampling head 3, and promote fly leaf 6 to the right side, can make sampling head 3 reentrant pjncture needle 2, inner wall cooperation sample connection 9 through pjncture needle 2 is cuted tumour tissue, make tumour tissue stay the inside of sample connection 9, can take off the extraction operation that pjncture needle 2 accomplished tumour tissue.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a puncture biopsy device for tumor tissue, includes link (1) and pjncture needle (2), its characterized in that: the utility model discloses a puncture needle, including link (1), outside movable mounting have a draw piece (4), the inside fixed mounting of link (1) has and draws piece (4) fixed connection's absorption subassembly (5), the outside movable mounting of link (1) has fly leaf (6), the left side cartridge of link (1) has setting element (7) that runs through fly leaf (6), the left side fixed mounting of fly leaf (6) has sample head (3) that extend to puncture needle (2) inside, sample connection (9) have been seted up at the top of sample head (3), sample head (3) and absorption subassembly (5) are through hose (8) intercommunication.

2. The needle biopsy apparatus for tumor tissue according to claim 1, wherein: link (1) is including pressing board (11), guide bar (12), connecting plate (13) and fixed plate (14), left side fixed mounting according to board (11) has guide bar (12) that quantity is two, two the left side fixed mounting of guide bar (12) has connecting plate (13), two the outside fixed mounting of guide bar (12) has fixed plate (14), fixed plate (14) and absorption subassembly (5) fixed connection, guide bar (12) with draw piece (4) and fly leaf (6) sliding connection, connecting plate (13) and pjncture needle (2) fixed connection.

3. The needle biopsy apparatus for tumor tissue according to claim 1, wherein: the front of the pull block (4) is provided with a finger socket, the positioning piece (7) is in threaded connection with the movable plate (6), and the outer part of the left end of the positioning piece (7) is provided with anti-skid threads.

4. The needle biopsy apparatus for tumor tissue according to claim 1, wherein: absorb subassembly (5) including urceolus (51), piston (52) and connecting rod (53), urceolus (51) and link (1) fixed connection, the inside movable mounting of urceolus (51) has piston (52), the right side fixed mounting of piston (52) has and draws piece (4) fixed connection's connecting rod (53), the left side and hose (8) the intercommunication of urceolus (51).

5. The needle biopsy apparatus for tumor tissue according to claim 1, wherein: the interior of the puncture needle (2) is matched with the exterior of the sampling head (3), and the length of the puncture needle (2) is smaller than that of the sampling head (3).

6. The needle biopsy apparatus for tumor tissue according to claim 1, wherein: the left end angle of the sampling head (3) is equal to that of the puncture needle (2), and the shifting piece is fixedly mounted outside the movable plate (6).