CN219742836U - Orthopedics pjncture needle integrating puncture biopsy and seed implantation functions - Google Patents

Abstract

The utility model discloses an orthopaedics puncture needle integrating puncture biopsy and seed implantation functions, which comprises an inner needle core assembly, a middle puncture tube assembly and an outer puncture tube assembly, wherein the inner needle core assembly comprises an inner needle core and an inner needle core seat fixedly connected with the proximal end of the inner needle core, the middle puncture tube assembly comprises a middle puncture tube and a middle puncture tube handle seat fixedly connected with the proximal end of the middle puncture tube, and the outer puncture tube assembly comprises an outer puncture tube and an outer puncture tube connecting seat fixedly connected with the proximal end of the outer puncture tube; the distal end of the inner needle core penetrates through the middle thorn pipe handle seat and is inserted into the middle thorn pipe, and the proximal end of the inner needle core seat is positioned outside the distal end of the middle thorn pipe handle seat; the far end of the middle thorn pipe passes through the outer thorn pipe connecting seat to be inserted into the outer thorn pipe and can extend out of the outer thorn pipe; the middle thorn pipe handle seat is movably sleeved in the outer thorn pipe connecting seat, and the middle thorn pipe handle seat is manually rotated to drive the middle thorn pipe to rotationally move along the axial direction of the middle thorn pipe towards the direction far away from or close to the outer thorn pipe connecting seat, so that the puncture depth is adjusted in real time, and the puncture is avoided.

Description

Orthopedics pjncture needle integrating puncture biopsy and seed implantation functions

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an orthopedic puncture needle integrating puncture biopsy and seed implantation functions.

Background

Bone puncture needles are frequently used in clinical hospitals to perform biopsy puncture of lumbar vertebra and vertebral column bodies and extract part of bone marrow to diagnose illness state and implant radioactive I-125 seeds.

Chinese patent publication No. CN205885465U discloses a bone tissue biopsy needle. After the bone tissue puncture biopsy needle is punctured to the expected focus tissue position, the biopsy needle is pulled out, and the handle holding the positioning sleeve is rotated or beaten to continue pushing, so that the front end of the positioning sleeve enters focus tissue. In the rotating and beating processes, the puncture depth is difficult to control manually due to lack of positioning, so that the potential safety hazard of passing through exists. Moreover, since the positioning sleeve is hollow, the precession and the beating process can cause the front end section of the positioning sleeve to be distorted, and thus the radioactive seeds cannot pass through.

Disclosure of Invention

The utility model aims to: the technical problem to be solved by the utility model is to provide the orthopaedics puncture needle integrating the functions of puncture biopsy and seed implantation aiming at the defects of the prior art, so that the puncture depth can be manually adjusted in real time, and the puncture is avoided.

In order to solve the technical problems, the utility model discloses an orthopaedics puncture needle integrating the functions of puncture biopsy and seed implantation, which comprises an inner needle core assembly, a middle thorn pipe assembly and an outer thorn pipe assembly; the inner needle core assembly comprises an inner needle core and an inner needle core seat fixedly connected with the proximal end of the inner needle core; the middle thorn pipe assembly comprises a middle thorn pipe and a middle thorn pipe handle seat fixedly connected with the proximal end of the middle thorn pipe; the outer thorn pipe assembly comprises an outer thorn pipe and an outer thorn pipe connecting seat fixedly connected with the proximal end of the outer thorn pipe; the distal end of the inner needle core penetrates through the middle thorn pipe handle seat and is inserted into the middle thorn pipe, and the proximal end of the inner needle core seat is positioned outside the proximal end of the middle thorn pipe handle seat; the distal end of the middle thorn pipe passes through the outer thorn pipe connecting seat to be inserted into the outer thorn pipe and can extend out of the outer thorn pipe; the middle thorn pipe handle seat is movably sleeved in the outer thorn pipe connecting seat, the proximal end of the middle thorn pipe handle seat is positioned outside the outer thorn pipe connecting seat, and when the middle thorn pipe handle seat is manually rotated, the middle thorn pipe handle seat drives the middle thorn pipe to rotate along the axial direction of the middle thorn pipe towards the direction far away from or near the outer thorn pipe connecting seat so as to perform bone puncture.

The utility model is provided with the external thorn pipe, when the far end of the external thorn pipe is abutted against the surface of the bone block, the middle thorn pipe is rotated and moved along the axial direction far away from the external thorn pipe connecting seat by manually rotating the middle thorn pipe handle seat, and the rotating and moving process is continuously controllable, so that an operator is allowed to adjust the drilling depth in real time, and the occurrence of over-penetration is avoided.

Preferably, the outer thorn pipe connection seat is made of transparent medical plastic, and the surface of the outer thorn pipe connection seat is provided with scale marks for controlling the rotating movement depth.

The embodiment combines the outer thorn pipe connecting seat to be made of transparent medical plastic, and the surface of the outer thorn pipe connecting seat is provided with scale marks for controlling the rotary movement depth, so that an operator can accurately control the rotary drilling depth.

Specifically, the periphery of the distal end section of the middle thorn pipe handle seat is provided with an external thread section, the inner periphery of the proximal end section of the external thorn pipe connecting seat is provided with an internal thread section matched with the external thread section, and the middle thorn pipe handle seat is in spiral connection with the external thorn pipe connecting seat through the external thread section and the internal thread section.

Optionally, the middle thorn pipe handle seat is movably sleeved in the outer thorn pipe connecting seat between a starting position and a deepest puncture position moving towards the direction close to the outer thorn pipe; when the middle thorn pipe handle seat is at the initial position, the distal end of the inner needle core, the distal end of the middle thorn pipe and the distal end of the outer thorn pipe are matched to form a needle point structure so as to perform percutaneous and soft tissue puncture; when the middle thorn pipe handle seat moves, the inner needle core seat is fixedly connected with the middle thorn pipe handle seat.

Optionally, the distal end of the inner needle core, the distal end of the middle thorn pipe and the distal end of the outer thorn pipe cooperate to form a regular triangular pyramid-shaped needle tip structure.

Specifically, be provided with the lug on the proximal end periphery lateral wall of interior needle core seat, the distal end tip of well thorn pipe handle seat be provided with the spacing recess of lug adaptation, when interior needle core seat with well thorn pipe handle seat is along axial butt, the lug inserts spacing recess is in order to ensure the distal end of interior needle core with the distal end of well thorn pipe cooperatees and forms the needle point structure.

Specifically, the middle thorn pipe includes a spiral groove disposed along a pipe axis of the middle thorn pipe, the spiral groove being disposed on a distal end section peripheral surface of the middle thorn pipe. Optionally, the outer circumferential surface of the distal end section of the middle thorn tube is recessed inward to form a spiral groove.

Optionally, when the inner needle core assembly is a biopsy inner needle core assembly, the inner needle core is a biopsy needle core, and a saw tooth structure is formed on the inner surface of the outer peripheral surface of the distal end of the biopsy needle core.

Preferably, the inner needle core, the middle thorn pipe and the outer thorn pipe are all made of stainless steel materials, and the inner needle core seat and the middle thorn pipe handle seat are all made of medical plastics.

The beneficial effects are that:

(1) According to the orthopaedics puncture needle integrating the puncture biopsy and the seed implantation functions, the middle thorn tube handle seat is arranged to be movably sleeved in the outer thorn tube connecting seat and can drive the middle thorn tube to rotationally move along the axial direction of the middle thorn tube towards the direction far away from or close to the outer thorn tube connecting seat, so that the function of rotationally drilling in or drilling out bone blocks of the middle thorn tube is realized; compared with the prior art without supporting points, the rotary drilling of the thorn pipe is controllable by utilizing the external thorn pipe to prop against the bone block, so that the risk of passing through is avoided;

(2) The utility model discloses a collect puncture biopsy, integrative orthopedics pjncture needle is planted to seed, outer thorn pipe surface is provided with the scale mark, is convenient for observe outer thorn pipe penetration degree of depth, combines outer thorn pipe connection seat adopts transparent medical plastics to make and the surface is provided with the scale mark, can make the rotatory degree of depth of boring of accurate control of operator, can realize accurate sample and treatment.

(3) In one embodiment of the present disclosure, when the handle seat of the middle thorn tube is at the initial position, the distal end of the inner needle core, the distal end of the middle thorn tube and the distal end of the outer thorn tube cooperate to form a regular triangular pyramid-shaped needle tip structure; the needle tip structure is beneficial to puncture and is beneficial to improving the operation efficiency.

(4) The orthopedics puncture needle integrating the puncture biopsy and the seed implantation functions can be used for puncture biopsy and seed implantation. Compared with the prior art that the bone puncture needle assembly and the seed implantation needle assembly are independently arranged, the utility model saves cost by reducing a special seed implantation needle assembly; the two sets of components do not need to be switched, so that the operation time is saved.

Drawings

The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.

FIG. 1 is a schematic perspective view of an orthopedic needle with integrated biopsy and seed implantation functions assembled with an inner needle assembly according to one embodiment of the present utility model, prior to rotating the needle;

FIG. 2 is a schematic perspective view of an orthopedic needle with integrated biopsy and seed implant functions after rotating into the needle, incorporating an inner needle core assembly according to one embodiment of the present utility model;

FIG. 3 is a schematic view of the inner needle core assembly of the orthopedic puncture needle shown in FIG. 1;

FIG. 4 is a schematic perspective view of a middle spike tube assembly of the orthopedic puncture needle shown in FIG. 1;

FIG. 5 is a schematic perspective view of the outer cannula assembly of the orthopedic puncture needle shown in FIG. 1;

FIG. 6 is a front view of the orthopedic puncture needle shown in FIG. 1;

FIG. 7 is a cross-sectional view taken along the direction A-A in FIG. 6;

FIG. 8 is an enlarged partial view of region C of FIG. 6;

FIG. 9 is an enlarged partial view of region C of FIG. 7;

FIG. 10 is a front view of the orthopedic puncture needle shown in FIG. 2;

FIG. 11 is a cross-sectional view taken along the B-B direction in FIG. 10;

FIG. 12 is an enlarged partial view of region D of FIG. 10;

FIG. 13 is an enlarged partial view of region D of FIG. 11;

FIG. 14 is an exploded view of the junction of a handle mount and an inner needle core mount for a medium spike tube in accordance with one embodiment of the present utility model;

FIG. 15 is a schematic perspective view of a biopsy inner core assembly according to one embodiment of the present utility model;

fig. 16 is a schematic perspective view of an orthopedic puncture needle with an assembled biopsy inner core assembly rotated into the needle according to an embodiment of the present utility model.

FIG. 17 is a front view of the orthopedic puncture needle of FIG. 16 assembled with a biopsy inner core assembly;

FIG. 18 is a cross-sectional view taken along the E-E direction in FIG. 16;

fig. 19 is a partial enlarged view of a region F in fig. 18.

The reference numerals are as follows:

the inner needle core 110, the inner needle core seat 120, the middle thorn pipe 210, the middle thorn pipe handle seat 220, the conical cavity 222, the spiral groove 221, the limit groove 223, the outer thorn pipe 310, the outer thorn pipe connecting seat 320 and the protruding block 321.

Detailed Description

The technical scheme of the present utility model is described in detail below with reference to the accompanying drawings.

In the present application, distal refers to the end that is closer to the operator, and proximal refers to the end that is farther from the operator.

As shown in fig. 1, 2 and 16, the present utility model provides an orthopedic puncture needle integrating puncture biopsy and seed implantation functions. The orthopaedics puncture needle comprises an inner needle core component, a middle puncture tube component and an outer puncture tube component.

The inner needle core component in the novel needle core component can be a puncture needle core component used for puncture or implantation, and can also be a biopsy needle core component used for biopsy. As shown in fig. 1 and 2, when the inner core assembly is a piercing core assembly, the orthopedic piercing needle can be used for percutaneous penetration of soft tissue, drilling into bone pieces, and seed implantation. When a biopsy of a bone piece is desired, the needle core assembly is withdrawn and a sample of bone tissue is taken using the biopsy core assembly as the inner core assembly, as shown in fig. 16. The orthopaedics puncture needle integrates the functions of puncture biopsy and seed implantation, avoids the switching between the independent puncture needle and the biopsy needle, and is beneficial to saving the cost and shortening the time in operation.

As shown in fig. 3, the inner core assembly includes an inner core 110 and an inner core print 120 fixedly attached to a proximal end of the inner core 110. When the inner core assembly is a puncture inner core assembly, the distal end of the inner core 110 is provided with a needle tip structure, which may be a regular triangular pyramid-shaped needle tip structure. When the inner core assembly is a biopsy inner core assembly, as shown in fig. 19, a saw tooth structure for carrying out a sample is formed inward on the distal outer circumferential surface of the inner core 110.

As shown in fig. 4, the middle spike assembly includes a middle spike tube 210 and a middle spike tube handle mount 220 fixedly coupled to a proximal end of the middle spike tube 210. As shown in fig. 4, the middle spike tube 210 includes a spiral groove 221 disposed along the axis of the middle spike tube 210. The spiral groove 221 is provided on the outer circumferential surface of the distal end section of the middle spike tube 210 for discharging chips generated during bone penetration for better penetration. The spiral groove 221 can also be developed better. Specifically, the outer circumferential surface of the distal end section of the middle spike tube 210 is recessed inward to form a spiral groove 221.

As shown in fig. 5, the outer spike tube assembly includes an outer spike tube 310 and an outer spike tube connecting socket 320 fixedly connected to a proximal end of the outer spike tube 310. As shown in FIG. 1, the surface of the outer spike tube 310 is provided with scale marks to facilitate observation of the penetration depth of the outer spike tube 310. The outer spike tube 310 has a smooth surface to facilitate percutaneous and soft tissue penetration.

As shown in fig. 6 to 10, the distal end of the inner core 110 is inserted into the middle spike 210 through the middle spike handle seat 220 and may protrude out of the middle spike 210. The proximal end of the inner core print 120 is located beyond the proximal end of the middle spike handle mount 220 to facilitate manual replacement of the inner core assembly. The distal end of the middle spike tube 210 is inserted into the outer spike tube 310 through the outer spike tube connecting socket 320. As shown in fig. 7 and 11, the middle spike tube handle base 220 is movably sleeved in the outer spike tube connecting base 320, and the proximal end of the middle spike tube handle base 220 is always located outside the outer spike tube connecting base 320, when the middle spike tube handle base 220 is manually rotated, the middle spike tube handle base 220 drives the middle spike tube 210 to rotationally move along the axial direction thereof in a direction away from or close to the outer spike tube connecting base 320.

When the puncture needle assembly is selected as the inner needle assembly for the purpose of percutaneously puncturing soft tissue and drilling bone fragments, as shown in fig. 6, 7, 10 and 11, the middle spike handle seat 220 is movably sleeved in the outer spike connecting seat 320 between a starting position and a deepest puncturing position moving towards a direction approaching the outer spike 310. Specifically, the middle spike handle mount 220 is always in the starting position during the penetration process prior to drilling into the bone fragments. As shown in fig. 6 to 7, when the middle spike handle base 220 is in the initial position, the distal end of the inner needle core 110, the distal end of the middle spike 210 and the distal end of the outer spike 310 cooperate to form a needle tip structure that facilitates penetration, such as a regular triangular pyramid-shaped needle tip structure as shown in fig. 8 and 9. After the distal end of the outer cannula 310 abuts the bone block, the manually rotated middle cannula handle mount 220 is moved toward the outer cannula. As shown in fig. 10-13, the distal end of the middle spike tube 210 is positioned beyond the distal end of the outer spike tube 310 when the middle spike tube handle base 220 is in the deepest puncturing position. The inner needle core seat 120 is fixedly connected to the middle spike tube handle seat 220 when the middle spike tube handle seat 220 moves between a start position and a deepest puncturing position moving toward a direction approaching to the outer spike tube 310, so as to ensure that the distal end of the inner needle core 110 and the distal end of the middle spike tube 210 are matched and maintain a needle tip structure facilitating puncturing.

Further, as shown in fig. 1, the outer spike tube connecting seat 320 is made of transparent medical plastic such as PC, PMMA, etc., and a row of scale marks are provided on the outer peripheral surface of the outer spike tube connecting seat 320, so as to facilitate observation of the rotary needle penetration depth of the middle spike tube.

Specifically, as shown in fig. 7 and 11, in order to enable the middle-spike tube handle seat 220 to drive the middle-spike tube 210 to rotationally move along the axial direction of the middle-spike tube handle seat towards a direction far away from or near the outer-spike tube connecting seat 320, an external thread section is provided on the outer periphery of the distal end section of the middle-spike tube handle seat 220, an internal thread section adapted to the external thread section is provided on the inner periphery of the proximal end section of the outer-spike tube connecting seat 320, and the middle-spike tube handle seat 220 is in screw connection with the outer-spike tube connecting seat 320 through the external thread section and the internal thread section.

Specifically, in order to ensure that the distal end of the inner needle core 110 and the distal end of the middle spike tube 210 can always cooperate to form a needle tip structure during the rotary puncture, as shown in fig. 14, a protrusion 321 is disposed on the outer peripheral sidewall of the proximal end of the inner needle core seat 120, and a limit groove 223 adapted to the protrusion 321 is disposed at the distal end of the middle spike tube handle seat 220. When the inner needle core seat 120 and the middle puncture tube handle seat 220 are abutted axially, the protruding block 321 is inserted into the limit groove 223, so that the inner needle core seat 120 and the middle puncture tube handle seat 220 are always fixedly connected in the rotary puncture process, displacement is avoided, and the distal end of the inner needle core 110 and the distal end of the middle puncture tube 210 are matched together to form a needle tip structure convenient for puncture.

In particular, as shown in fig. 4 and 7, the stinger handle base 220 includes a conical cavity 222. The conical cavity 222 is provided with an opening at its proximal end communicating with the outside and at its distal end communicating with the inside of the stinger 210. The distal end of the inner core 110 is inserted into the middle spike 210 through the proximal opening of the conical cavity 222, the conical cavity 222 acting as a guide during this process. The walls of the conical cavity 222 also facilitate the falling of seeds into the interior of the stinger 210. In one particular embodiment, the apex angle of the conical cavity 222 is 18 °.

The inner needle core 110, the middle tube 210 and the outer tube 310 are made of medical stainless steel materials, and the inner needle core seat 120, the middle tube handle seat 220 and the outer tube connecting seat 320 are made of medical plastics, such as PC, PMMA and the like.

When the orthopedic puncture needle is used for seed implantation, the inner needle core component is selected as the puncture needle core component, and at the moment, the inner needle core 110 is the puncture needle core. The inner needle 110 is inserted into the middle needle tube 210 via the middle needle tube handle seat 220, the protruding block 321 is inserted into the limit groove 223, and the inner needle core seat 120 is axially abutted against the middle needle tube handle seat 220 by hands, at this time, the middle needle tube handle seat 220 is located at the starting position, and the distal end of the inner needle 110, the distal end of the middle needle tube 210 and the distal end of the outer needle tube 310 cooperate to form a needle tip structure beneficial to puncture. The distal end of the outer spike tube 310 is pierced into human soft tissue. Upon reaching the target implantation site, the inner core assembly is withdrawn and the radioactive seeds are placed into the central tube 210 through the central tube handle mount 220. The inner core 110 is inserted into the middle spike 210 via the middle spike handle mount 220 and pushes the radioactive seeds to a target implantation site.

When the orthopaedics puncture needle is used for puncture and biopsy, the puncture needle core assembly is selected as the inner needle core assembly, and the inner needle core 110 is the puncture needle core. The inner needle 110 is inserted into the middle needle tube 210 via the middle needle tube handle seat 220, the protruding block 321 is inserted into the limit groove 223, and the inner needle core seat 120 is axially abutted against the middle needle tube handle seat 220 by hands, at this time, the middle needle tube handle seat 220 is located at the starting position, and the distal end of the inner needle 110, the distal end of the middle needle tube 210 and the distal end of the outer needle tube 310 cooperate to form a needle tip structure beneficial to puncture. The distal end of the outer spike tube 310 is pierced into human tissue. When touching the bone piece, the distal end of the outer spine tube 310 is abutted against the surface of the bone piece, the middle spine tube handle seat 220 is manually driven to rotate towards the direction approaching to the outer spine tube 310, and the middle spine tube handle seat 220 drives the middle spine tube 210 to rotate into the bone piece. After reaching the target position, the inner core assembly is pulled out of the middle spike handle seat 220. As shown in fig. 17-19, the biopsy needle assembly is selected as the inner needle assembly, at which point the inner needle 110 is a biopsy needle. The biopsy needle is inserted into the middle cannula 210 via the middle cannula handle mount 220, rotating the biopsy needle in a clockwise direction, during which the saw tooth like structure of the end of the biopsy needle hooks the bone tissue. The biopsy needle is rotated in a clockwise direction and withdrawn from the catheter assembly. And taking off the bone tissue sample in the biopsy needle core after the biopsy needle core is extracted.

The present utility model provides for the distal end of the outer cannula 310 to abut and remain fixed relative to the bone fragment surface and for the axial rotational movement of the middle cannula 210 by manual rotation of the middle cannula handle mount 220. Compared with the knocking mode and the screwing mode without supporting points in the prior art, the rotary drilling depth is controllable.

Through being provided with the scale mark that is used for controlling outer thorn pipe penetration depth at outer thorn pipe surface, combine outer thorn pipe connecting seat to adopt transparent medical plastics to make and the surface is provided with the scale mark that is used for controlling rotatory removal degree of depth, can make the rotatory degree of depth of boring of accurate control of operator.

The utility model provides an orthopaedics puncture needle integrating puncture biopsy and seed implantation functions and a method thereof, and the method and the way for realizing the technical scheme are numerous, the above is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made by those skilled in the art without departing from the principle of the utility model, and the improvements and modifications are also considered as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.

Claims (10)

1. An orthopedics puncture needle integrating puncture biopsy and seed implantation functions is characterized by comprising an inner needle core assembly, a middle puncture tube assembly and an outer puncture tube assembly; the inner needle core assembly comprises an inner needle core (110) and an inner needle core seat (120) fixedly connected with the proximal end of the inner needle core (110); the middle thorn pipe assembly comprises a middle thorn pipe (210) and a middle thorn pipe handle seat (220) fixedly connected with the proximal end of the middle thorn pipe (210); the outer thorn pipe assembly comprises an outer thorn pipe (310) and an outer thorn pipe connecting seat (320) fixedly connected with the proximal end of the outer thorn pipe (310); the distal end of the inner needle core (110) is inserted into the middle thorn tube (210) through the middle thorn tube handle seat (220), and the proximal end of the inner needle core seat (120) is positioned outside the proximal end of the middle thorn tube handle seat (220); the distal end of the middle thorn tube (210) is inserted into the outer thorn tube (310) through the outer thorn tube connecting seat (320) and can extend out of the outer thorn tube (310); the middle thorn pipe handle seat (220) is movably sleeved in the outer thorn pipe connecting seat (320), the proximal end of the middle thorn pipe handle seat (220) is positioned outside the outer thorn pipe connecting seat (320), and when the middle thorn pipe handle seat (220) is manually rotated, the middle thorn pipe handle seat (220) drives the middle thorn pipe (210) to rotationally move along the axial direction of the middle thorn pipe towards the direction far away from or close to the outer thorn pipe connecting seat (320).

2. The orthopedic puncture needle integrating the functions of puncture biopsy and seed implantation as claimed in claim 1, wherein the outer puncture tube connecting seat (320) is made of transparent medical plastic and is provided with a scale mark on the surface for controlling the rotation movement depth.

3. The orthopedic puncture needle integrating functions of puncture biopsy and seed implantation according to claim 2, wherein an outer thread section is arranged on the periphery of a distal end section of the middle thorn tube handle seat (220), an inner thread section matched with the outer thread section is arranged on the inner periphery of a proximal end section of the outer thorn tube connecting seat (320), and the middle thorn tube handle seat (220) and the outer thorn tube connecting seat (320) are in spiral connection through the outer thread section and the inner thread section.

4. An orthopaedic needle integrating needle biopsy and seed implantation functions according to claim 3, wherein the middle spike handle seat (220) is movably sleeved in the outer spike tube connecting seat (320) between a starting position and a deepest penetration position moving towards the direction approaching the outer spike tube (310); when the middle thorn pipe handle seat (220) is at the initial position, the distal end of the inner needle core (110), the distal end of the middle thorn pipe (210) and the distal end of the outer thorn pipe (310) are matched to form a needle point structure; when the middle thorn pipe handle seat (220) moves, the inner needle core seat (120) is fixedly connected with the middle thorn pipe handle seat (220).

5. The orthopedic puncture needle integrating aspiration biopsy and seed implantation functions as claimed in claim 4, wherein the distal end of the inner needle core (110), the distal end of the middle spike tube (210) and the distal end of the outer spike tube (310) cooperate to form a regular triangular pyramid-shaped needle tip structure.

6. The orthopedic puncture needle integrating functions of puncture biopsy and seed implantation according to claim 5, wherein a bump (321) is provided on a proximal peripheral side wall of the inner needle core seat (120), a distal end portion of the middle spike tube handle seat (220) is provided with a limit groove (223) adapted to the bump (321), and when the inner needle core seat (120) and the middle spike tube handle seat (220) are axially abutted, the bump (321) is inserted into the limit groove (223) to ensure that a distal end of the inner needle core (110) and a distal end of the middle spike tube (210) are matched to form a needle tip structure.

7. The orthopaedic needle integrating needle biopsy and seed implantation functions of claim 6, wherein the middle spike tube (210) comprises a spiral groove (221) disposed along the axis of the middle spike tube (210), the spiral groove (221) being disposed on the outer circumferential surface of the distal end section of the middle spike tube (210).

8. An orthopaedic needle integrating needle biopsy and seed implantation functions as claimed in claim 7, wherein the outer peripheral surface of the distal end section of the central tube (210) is inwardly recessed to form a spiral groove (221).

9. The orthopedic puncture needle integrating functions of puncture biopsy and seed implantation according to claim 2, wherein when the inner needle core assembly is a biopsy inner needle core assembly, the inner needle core (110) is a biopsy needle core, and a saw tooth structure is formed on the inner surface of the distal end outer peripheral surface of the biopsy needle core in a recessed manner.

10. The orthopedic puncture needle integrating the functions of puncture biopsy and seed implantation according to claim 1, wherein the inner needle core (110), the middle puncture tube (210) and the outer puncture tube (310) are all made of stainless steel materials, and the inner needle core seat (120) and the middle puncture tube handle seat (220) are all made of medical plastics.