Bone tumor biopsy puncture needle convenient to use

Abstract

The utility model discloses a bone tumor biopsy puncture needle convenient to use, which comprises a biopsy outer tube, a puncture needle tube and an extension tube body, the puncture needle tube comprises a tube needle body at the front end and a handle body at the rear end, the tube needle body is detachably inserted and fixed on the handle body, the two ends of the tube needle body are respectively provided with a puncture tip and a self-tapping drill bit, and the extension tube body is fixed on the extension tube body. An inserting clamping piece is arranged in the middle of the tubular needle body, a clamping hole is formed in the front end of the handle body, the inserting clamping piece is inserted and fixed to the clamping hole in a matched mode, and the portion, on one side of the tubular needle body, of the tubular needle body can be inserted into the handle body in a matched mode. By means of the bone tumor specimen taking device, bone tumor specimens can be taken by puncturing the bone surface in a puncturing mode, the bone surface can be penetrated in a self-tapping drilling mode, the bone tumor specimens can be smoothly obtained, the using function of the puncture needle is more flexible and practical, the working difficulty of doctors is lowered, and the using efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the design and application field of bone tumor biopsy needle, more particularly to a convenient bone tumor biopsy puncture needle. BACKGROUND

[0002] The treatment scheme of bone tumor depends on the definite diagnosis of disease, and the diagnosis of bone tumor mainly relies on clinical manifestation, imaging performance and pathological result, wherein the pathological structure is an important basis standard for the benign and malignant of bone tumor and pathological typing, and the pathological structure of bone tumor generally needs to be obtained by means of biopsy puncture needle, the puncture needle is used to pierce through the bone surface, and then the pathological specimen of tumor under the bone surface is obtained.

[0003] The existing bone tumor puncture needle such as Chinese patent: a safe bone tumor biopsy device, authorization publication number: CN111012457B, the patent document discloses the specific structure and use mode of the existing bone tumor biopsy device, and it can be known from the above-mentioned biopsy device that the existing bone tumor biopsy device generally obtains pathological specimen by puncture sampling mode. However, the premise of the puncture needle for obtaining pathological specimen is that the puncture needle can smoothly pierce through the bone surface, and then the subsequent bone tumor pathological specimen is obtained. However, the doctor needs to grasp the angle and force of the puncture needle during the puncture process, but the puncture needle often cannot smoothly pierce through the bone surface, and the operation of obtaining pathological specimen fails due to the high hardness of the bone surface.

[0004] In order to overcome the above technical problems, the technical scheme is improved by improving the structure of the existing biopsy puncture needle, so as to realize the following effects:

[0005] Effect one: the biopsy puncture needle can not only pierce through the bone surface to obtain bone tumor pathological specimen, but also can drill through the bone surface to smoothly obtain tumor pathological specimen. The use function of the puncture needle is more flexible and practical, the working difficulty of the doctor is reduced, and the use efficiency is improved.

[0006] Effect two: the structure of the handle of the biopsy puncture needle is improved, which can not only be more comfortable to hold and use, improve the control ability of the doctor to the puncture angle and force, but also can be better connected and installed with the puncture needle pipe, so that the puncture and bone tumor specimen can be more smoothly realized. UTILITY MODEL CONTENT

[0007] The utility model discloses a convenient bone tumor biopsy puncture needle, which mainly aims at overcoming the above-mentioned deficiencies and shortcomings of the prior art.

[0008] The technical scheme adopted by the utility model is as follows:

[0009] A convenient bone tumor biopsy puncture needle, comprising a biopsy outer tube, a puncture needle tube and an extension tube body, the puncture needle tube is fixed on the biopsy outer tube, and the end of the puncture needle tube can extend out of the biopsy outer tube, the extension tube body is detachably combined and arranged on the biopsy outer tube, the puncture needle tube can pass through the extension tube body and be fixed on the extension tube body; the puncture needle tube comprises a needle body at the front end and a handle body at the rear end, the needle body is detachably connected with the handle body, the two ends of the needle body are respectively provided with a puncture tip and a self-tapping drill bit, and the middle part of the needle body is provided with a connecting piece; the handle body is in the shape of T, the front end of the handle body is provided with a connecting hole, and the connecting piece is connected with the connecting hole; and the side of the needle body is inserted into the handle body.

[0010] Further, the length of the needle body is greater than the length of the biopsy outer tube.

[0011] Further, one end of the extension tube body is provided with a protruding block, the other end of the extension tube body is provided with a recessed groove, the rear end of the biopsy outer tube is provided with the recessed groove, the front end of the connecting piece of the needle body is provided with the protruding block, and the protruding block is matched with the recessed groove.

[0012] Further, the connecting hole is a hexagonal connecting hole, the connecting piece is in the shape of a column, the middle part of the connecting piece is provided with a holding section, and the two sides of the connecting piece are respectively provided with a connecting section; the connecting section is in the shape of a hexagonal column, and the connecting section is matched with the connecting hole.

[0013] Further, the number of the extension tube body is at least two.

[0014] As can be seen from the above description of the utility model, compared with the prior art, the utility model has the following advantages:

[0015] Advantage one: the utility model is characterized in that the puncture tip and the self-tapping drill bit are arranged at the two ends of the needle body and are connected with the handle body, so that the puncture needle tube can be used to take bone tumor specimens in a puncture mode or a drilling mode, the use limitation that the puncture needle tube cannot directly puncture a bone surface with high hardness is avoided, the use difficulty of doctors is reduced, and the efficiency of taking bone tumor specimens is improved.

[0016] Advantage two: the utility model is characterized in that the handle body is in the shape of T, so that the puncture needle tube can be held and used, the control ability of doctors on the puncture angle and force is improved, and the puncture needle tube can be installed and used with the needle body, so that the operation difficulty of taking bone tumor specimens is reduced. DRAWINGS

[0017] Figure 1 is the structure schematic diagram of the utility model in use Figure 1 .

[0018] Figure 2 is the structure schematic diagram of the utility model in decomposition.

[0019] Figure 3 is the structure schematic diagram of the utility model in use Figure 2 .

[0020] Figure 4 is the structure schematic diagram of the handle body of the utility model.

[0021] Figure 5 is the structure schematic diagram of the pipe needle body of the utility model.

[0022] Figure 6 is the structure schematic diagram of the extension pipe body of the utility model.

[0023] Among them, biopsy outer tube 1, puncture needle tube 2, pipe needle body 21, puncture sharp head 211, self-tapping drill bit 212, plug-in card 213, hold the setting section 2131, plug-in section 2132, handle body 22, card set hole 221, extension pipe body 3, convex block 31, recessed slot 32. Specific embodiments

[0024] The specific embodiments of the utility model are further described and explained below with reference to the accompanying drawings.

[0025] As Figures 1 to 6 shown, a kind of convenient to use bone tumor biopsy puncture needle, including biopsy outer tube 1, puncture needle tube 2 and extension pipe body 3, the quantity of the extension pipe body 3 has two, two extension pipe body 3 are spliced combination, the puncture needle tube 2 is cooperatively inserted and fixed on the biopsy outer tube 1, and the end of puncture needle tube 2 can extend outside the biopsy outer tube 1, the extension pipe body 3 is detachably combined and installed on the biopsy outer tube 1, the puncture needle tube 2 can be correspondingly inserted through the extension pipe body 3, and with the extension pipe body 3 is inserted and fixed.

[0026] As Figures 1 to 6As shown, the puncture needle tube 2 comprises a front-end tube needle body 21 and a rear-end handle body 22, the tube needle body 21 is detachably inserted and fixed on the handle body 22, both ends of the tube needle body 21 are respectively provided with a puncture sharp head 211 and a self-drilling head 212, the middle part of the tube needle body 21 is provided with an insertion clamping part 213, the handle body 22 is in a "T" shape, the front end of the handle body 22 is provided with a clamping hole 221, the insertion clamping part 213 is inserted and fixed in the clamping hole 221, the tube body on one side of the tube needle body 21 can be inserted and placed in the handle body 22, the length of the tube needle body 21 is greater than the length of the biopsy outer tube 1. The clamping hole 221 is an inner hexagonal clamping hole, the insertion clamping part 213 is in a tube column shape, the middle part of the insertion clamping part 213 is provided with a holding section 2131, both sides of the insertion clamping part 213 are respectively provided with insertion sections 2132, the insertion sections 2132 are in a six-surface tube body structure, and the insertion sections 2132 are matched and fixed with the clamping hole. By respectively providing the puncture sharp head 211 and the self-drilling head 212 at both ends of the tube needle body 21 and inserting and fixing them with the handle body 22, not only can the puncture needle tube 2 realize the puncture type bone marrow taking, but also can realize the drilling type bone marrow taking, prevent the use limitation that the bone surface with too high hardness cannot be directly punctured, reduce the use difficulty of the doctor, and improve the efficiency of taking bone marrow.

[0027] As shown in the Figures 1 to 6 As shown, one end of the extension tube body 3 is provided with a convex block 31, the other end of the extension tube body 3 is provided with a recessed groove 32, the rear end of the biopsy outer tube 1 is provided with the recessed groove 32, the front end of the insertion clamping part of the tube needle body 21 is provided with the convex block 31, and the convex block 31 is matched and movably clamped and fixed with the recessed groove 32. By providing the handle body 22 in a "T" shape structure, not only can the puncture needle tube 2 improve the holding use, improve the control ability of the doctor to the puncture angle and force, but also can be installed and used with the tube needle body 21, and reduce the operation difficulty of the puncture bone marrow taking.

[0028] In use:

[0029] Step one: assemble and fix the biopsy outer tube 1 and the puncture needle tube 2: first select the puncture sharp head 211, then insert and fix the tube needle body 21 on the handle body 22, clamp and fix the insertion clamping part 213 in the middle of the tube needle body 21 with the clamping hole 221 on the handle body 22, complete the assembly and fixation of the puncture needle tube 2, and then movably clamp and fix the recessed groove 32 on the rear end of the biopsy outer tube 1 with the convex block 31 on the front end of the insertion clamping part 213 of the tube needle body 21, complete the assembly and fixation of the biopsy outer tube 1 and the puncture needle tube 2;

[0030] Step two: puncture the bone surface: the doctor holds the handle body 22, and inserts the puncture needle tube into the bone surface, and the biopsy outer tube 1 and the puncture needle tube 2 are inserted into the position below the bone surface, and then the puncture needle tube 2 is extracted;

[0031] Step three: connection and installation of the extension tube 3: the extension tube 3 and the biopsy outer tube 1 are assembled and connected through the convex block 31 and the concave groove 32, so that the extension tube 3 is connected and installed on the biopsy outer tube 1, and then the puncture needle tube 2 is reinserted and assembled and connected with the extension tube 3, so that a cavity is formed between the biopsy outer tube 1 and the front end of the puncture needle tube 2;

[0032] Step four: tissue enters the cavity: the handle body 22 is rotated, so that the tissue enters the cavity at the front end of the biopsy outer tube 1;

[0033] Step five: obtain bone tumor specimen: the biopsy outer tube 1 is pulled out, and the obtained bone tumor specimen is left in the cavity at the front end of the biopsy outer tube 1, and then the specimen is sent for examination, and the whole operation of puncturing and obtaining the bone tumor specimen is completed.

[0034] In step two, if the puncture needle tube 2 cannot be inserted into the bone surface, the puncture needle tube 2 is extracted, the tube needle body 21 is loosened, the self-tapping drill bit 212 is used as a working end, the tube needle body 21 is reinstalled and fixed on the handle body 22, and finally the puncture outer tube 2 is assembled and fixed on the biopsy outer tube 1, the self-tapping drill bit 212 is used to drill the bone surface, the bone surface is drilled, and then the subsequent operation of obtaining the bone tumor specimen is performed.

[0035] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited to this, and any non-substantial improvement of the present application using this concept should belong to the act of infringing the protection range of the present application.

Claims

1. A bone tumor biopsy needle which is easy to use, characterized in that: The biopsy outer tube, the puncture needle tube and the extension tube body, the puncture needle tube is matched with the activity and is inserted and fixed on the biopsy outer tube, and the end of the puncture needle tube can extend outside the biopsy outer tube, the extension tube body is detachably combined and installed on the biopsy outer tube, the puncture needle tube can be correspondingly penetrated through the extension tube body, and is matched with the activity and is inserted and fixed with the extension tube body;The puncture needle tube includes a tube needle body at the front end and a handle body at the rear end, the tube needle body is detachably inserted and fixed on the handle body, both ends of the tube needle body are respectively provided with a puncture sharp head and a self-drilling bit, the middle part of the tube needle body is provided with an insertion card piece, the handle body is in the shape of "T", the front end of the handle body is provided with a carding hole, the insertion card piece is matched and inserted and fixed in the carding hole, and the tube body on one side of the tube needle body can be matched and inserted and placed in the handle body.

2. The easy-to-use bone tumor biopsy needle according to claim 1, wherein: The length of the tube needle body is greater than the length of the biopsy outer tube.

3. The easy-to-use bone-tumor biopsy needle according to claim 1, characterized in that: One end of the extension tube body is provided with a convex block, the other end of the extension tube body is provided with a recessed groove, the rear end of the biopsy outer tube is provided with the recessed groove, the front end of the insertion card piece of the tube needle body is provided with the convex block, and the convex block and the recessed groove are matched and fixed by the activity of carding.

4. The easy-to-use bone-tumor biopsy needle according to claim 1, characterized in that: The carding hole is an internal hexagonal carding hole, the insertion card piece is in the shape of a tube column, the middle part of the insertion card piece is provided with a holding section, both sides of the insertion card piece are respectively provided with an insertion section, the insertion section is in the shape of a six-surface tube body structure, and the insertion section and the carding hole are matched and fixed by the activity of carding.

5. The easy-to-use bone-tumor biopsy needle according to claim 1, characterized in that: The number of the extension tube body is at least two.

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