CN219229959U - Bone tissue biopsy needle - Google Patents
Bone tissue biopsy needle Download PDFInfo
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- CN219229959U CN219229959U CN202222158704.4U CN202222158704U CN219229959U CN 219229959 U CN219229959 U CN 219229959U CN 202222158704 U CN202222158704 U CN 202222158704U CN 219229959 U CN219229959 U CN 219229959U
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- needle
- bone tissue
- tube
- specimen collection
- tissue biopsy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The utility model discloses a bone tissue biopsy needle, which comprises a specimen collection needle and a puncture needle, wherein the specimen collection needle comprises a needle tube and a collection needle holding part, the needle tube is provided with tooth-shaped protrusions, and the inner wall of the needle tube is provided with linear protrusions; the puncture needle comprises a first needle body and a first handle which are matched with the needle tube, and a first linear groove is formed in the outer wall of the first needle body. When the pathological bone tissue needs to be extracted, the puncture needle is inserted into the specimen collection needle to puncture bone, after the bone cortex is punctured, the specimen collection needle is left in situ and pulled out, the specimen collection needle is continuously pushed inwards, so that the bone tissue is embedded into the tail end lumen of the specimen collection needle and clamped in the linear protrusion, then the specimen collection needle is slightly rotated to separate the bone tissue in the tail end lumen of the specimen collection needle from the bone tissue below, finally the specimen collection needle is pulled out, the bone tissue is pulled out by the linear protrusion on the inner wall of the needle tube, and the operation is convenient and effective, so that the pathological bone tissue can be rapidly and conveniently extracted.
Description
Technical Field
The utility model relates to the field of orthopedic medical instruments, in particular to a bone tissue biopsy needle.
Background
Vertebral body space occupying lesions are frequently encountered in spinal surgery clinic, and imaging cannot judge the properties of the space occupying lesions, so that diseases cannot be accurately diagnosed. The biopsy of the occupied lesion biopsy is the gold standard for diagnosis. At present, a bone biopsy needle is mostly used for puncture sampling in clinic, but due to higher bone tissue strength, after the biopsy needle is inserted into bone tissue, although part of bone enters a tube gap at the tail end of the biopsy needle, the part of bone substrate is still in bone connection with bone below, and in the operation of rotating and pulling out the biopsy needle, the connection between the part of bone and the bone of the substrate cannot be cut off, so that the sample is failed to take out.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a bone tissue biopsy needle which can rapidly and conveniently extract diseased bone tissue.
An embodiment of the present utility model provides a bone tissue biopsy needle including:
the sample collection needle comprises a needle tube with a hollow inside and a collection needle holding part arranged at one end part of the needle tube, wherein a tooth-shaped protrusion is arranged at the other end part of the needle tube, and a linear protrusion for clamping a sample is arranged on the inner wall of the needle tube;
the puncture needle comprises a first needle body matched with the needle tube and a first handle arranged at one end part of the first needle body, a needle point is arranged at the other end part of the first needle body, and a first linear groove matched with the linear protrusion is arranged on the outer wall of the first needle body.
The bone tissue biopsy needle provided by the embodiment of the utility model has at least the following beneficial effects: when the pathological bone tissue is required to be extracted, the puncture needle is inserted into the specimen collection needle, the first needle body of the puncture needle is matched with the needle tube of the specimen collection needle, the first linear groove on the outer wall of the first needle body is matched with the linear protrusion on the inner wall of the needle tube, the puncture needle and the specimen collection needle form a whole, the needle point of the puncture needle is utilized to puncture bone, after the bone cortex is punctured, the specimen collection needle is left in situ and pulled out, then the specimen collection needle is continuously pushed inwards, so that the bone tissue is embedded into the tail end lumen of the needle tube of the specimen collection needle and is clamped in the linear protrusion on the inner wall of the needle tube, then the specimen collection needle is slightly rotated to separate the bone tissue in the tail end lumen of the specimen collection needle from the bone tissue below, and finally the specimen collection needle is pulled out, so that the bone tissue is woven out by the linear protrusion on the inner wall of the needle tube, the operation is convenient and effective, and the pathological bone tissue can be rapidly and conveniently extracted.
In the tissue biopsy needle, the tissue biopsy needle further comprises a specimen pushing needle, the specimen pushing needle comprises a second needle body matched with the needle tube and a second handle arranged at one end part of the second needle body, and a second linear groove matched with the linear protrusion is formed in the outer wall of the second needle body.
After the required bone tissue is extracted by adopting the specimen collection needle, a second needle body of the specimen pushing needle is inserted into the needle tube by using the specimen pushing needle, so that the collected bone tissue is pushed out from the inside of the needle tube, a second linear groove is formed in the outer wall of the second needle body, and when the second needle body is inserted into the needle tube, the second linear groove is matched with the linear protrusion on the inner wall of the needle tube, so that the bone tissue in the needle tube can be pushed out more completely.
In the above tissue biopsy needle, the other end of the second needle body is a planar end or an arc surface end.
The other end part of the second needle body, namely the end part inserted into the needle tube and used for pushing out bone tissues, is set to be a plane end part or an arc surface end part, has better pushing-out effect, and can effectively avoid the bone tissues from being stuck on the second needle body.
In the above tissue biopsy needle, the linear protrusions are provided in plurality, and the linear protrusions are uniformly arranged on the inner wall of the needle tube. In some embodiments, the linear protrusion is provided with four.
The inner wall of the needle tube is provided with a plurality of linear protrusions, so that bone tissues can be better clamped and brought out.
In the tissue biopsy needle, the outer wall of the needle tube is provided with needle insertion length scales.
The needle length scale is arranged on the outer wall of the needle tube, so that a user can conveniently see the puncture depth of the specimen collection needle, and the accuracy of acquiring the required bone tissue is improved.
In the above tissue biopsy needle, the collection needle grip includes two collars through which fingers pass.
The two lantern rings for the fingers to pass through are arranged, so that a user can grasp the sample collection needle conveniently, and the needle inserting direction can be stabilized.
In the above tissue biopsy needle, the length of the puncture needle is longer than the length of the needle tube.
The length of the puncture needle is greater than that of the needle tube, so that when the puncture needle is inserted into the needle tube, the needle tip of the first needle body can extend out of the needle tube, and the puncture needle is beneficial to puncturing cortical bone when the puncture needle is inserted.
In the tissue biopsy needle, a buckle is arranged on the specimen collection needle, and a first clamping groove matched with the buckle is arranged on the puncture needle.
When the puncture needle is inserted into the specimen collection needle, the puncture needle and the specimen collection needle can be fastened together through the matching of the buckle and the first clamping groove.
In the tissue biopsy needle, a buckle is arranged on the specimen collection needle, and a second clamping groove matched with the buckle is arranged on the specimen pushing needle.
The second needle body of the specimen push-out needle is inserted into the needle tube, and the specimen push-out needle and the specimen collection needle can be fastened together through the matching of the buckle and the second clamping groove.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic side view of a specimen collection needle of a bone biopsy needle according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing an end face structure of a specimen collection needle of a bone tissue biopsy needle according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a needle of a bone biopsy needle according to an embodiment of the present utility model;
fig. 4 is a schematic diagram showing an end face structure of a puncture needle of a bone tissue biopsy needle according to an embodiment of the present utility model;
FIG. 5 is a schematic side view of a specimen push-out needle of a bone biopsy needle according to an embodiment of the present utility model;
fig. 6 is a schematic diagram showing an end face structure of a specimen push-out needle of a bone tissue biopsy needle according to an embodiment of the present utility model.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Vertebral body space occupying lesions are frequently encountered in spinal surgery clinic, and imaging cannot judge the properties of the space occupying lesions, so that diseases cannot be accurately diagnosed. The biopsy of the occupied lesion biopsy is the gold standard for diagnosis. At present, a bone biopsy needle is mostly used for puncture sampling in clinic, but due to higher bone tissue strength, after the biopsy needle is inserted into bone tissue, although part of bone enters a tube gap at the tail end of the biopsy needle, the part of bone substrate is still in bone connection with bone below, and in the operation of rotating and pulling out the biopsy needle, the connection between the part of bone and the bone of the substrate cannot be cut off, so that the sample is failed to take out.
The embodiment of the utility model provides a bone tissue biopsy needle which can rapidly and conveniently extract pathological bone tissue.
Embodiments of the present utility model will be further described below with reference to the accompanying drawings.
Embodiments of the present utility model provide a bone tissue biopsy needle including a specimen collection needle 100 and a puncture needle 200, as described in detail below.
Referring to fig. 1 and 2, the specimen collection needle 100 includes a needle tube 110 having a hollow interior and a collection needle grip 120 provided at one end of the needle tube 110, the other end of the needle tube 110 being provided with a tooth-like protrusion 130, and an inner wall of the needle tube 110 being provided with a linear protrusion 140 for catching a specimen.
Referring to fig. 3 and 4, the puncture needle 200 includes a first needle body 210 mated with the needle tube 110 and a first handle 220 provided at one end of the first needle body 210, the other end of the first needle body 210 is provided with a needle tip 230, and an outer wall of the first needle body 210 is provided with a first linear groove 240 mated with the linear protrusion 140.
According to the bone tissue biopsy needle provided by the embodiment of the utility model, when a diseased bone tissue is required to be extracted, the puncture needle 200 is inserted into the specimen collection needle 100, the first needle body 210 of the puncture needle 200 is matched with the needle tube 110 of the specimen collection needle 100, the first linear groove 240 on the outer wall of the first needle body 210 is matched with the linear protrusion 140 on the inner wall of the needle tube 110, so that the puncture needle 200 and the specimen collection needle 100 form a whole, the needle tip 230 of the puncture needle 200 is utilized to puncture bone, after the bone cortex is punctured, the specimen collection needle 100 is left in situ and the puncture needle 200 is pulled out, then the specimen collection needle 100 is continuously pushed inwards, so that the bone tissue is embedded into the end lumen of the needle tube 110 of the specimen collection needle 100 and is clamped in the linear protrusion 140 on the inner wall of the needle tube 110, then the specimen collection needle 100 is slightly rotated, the bone tissue in the end lumen of the specimen collection needle 100 is separated from the bone tissue below, and finally the specimen collection needle 100 is pulled out, the bone tissue is pulled out by the linear protrusion 140 on the inner wall of the needle tube 110, and the diseased bone tissue can be rapidly and conveniently extracted.
Referring to fig. 5 and 6, in the above tissue biopsy needle, further comprising a specimen push-out needle 300, the specimen push-out needle 300 comprises a second needle body 310 matched with the needle tube 110 and a second handle 320 provided at one end of the second needle body 310, and an outer wall of the second needle body 310 is provided with a second linear groove 330 matched with the linear protrusion 140.
After the desired bone tissue is extracted using the specimen collection needle 100, the second needle body 310 of the specimen pushing needle 300 is inserted into the needle tube 110 using the specimen pushing needle 300, so that the collected bone tissue is pushed out from the inside of the needle tube 110, the outer wall of the second needle body 310 is provided with the second linear groove 330, and when the second needle body 310 is inserted into the needle tube 110, the bone tissue in the needle tube 110 can be pushed out more completely by matching the second linear groove 330 with the linear protrusion 140 of the inner wall of the needle tube 110.
Referring to fig. 5, in the above-described tissue biopsy needle, the other end of the second needle body 310 is a planar end or an arc-shaped end.
The other end portion of the second needle body 310, i.e., the end portion inserted into the needle tube 110 for pushing out bone tissue, is set to be a planar end portion or an arc surface end portion, has a better pushing-out effect, and can effectively prevent bone tissue from sticking to the second needle body 310.
Referring to fig. 2, in the above-described tissue biopsy needle, the linear protrusions 140 are provided in plurality, and the plurality of linear protrusions 140 are uniformly arranged on the inner wall of the needle tube 110. For example, in some embodiments, the linear protrusion 140 is provided with four. It will be appreciated that the number of second linear grooves 330 on the outer wall of the second needle body 310 corresponds to the number and location of the linear protrusions 140 on the inner wall of the needle cannula 110.
The plurality of linear protrusions 140 are provided on the inner wall of the needle tube 110, so that bone tissue can be better caught and brought out.
Referring to fig. 1, in the above-described tissue biopsy needle, the outer wall of the needle tube 110 is provided with a needle insertion length scale 150.
The needle length scale 150 is provided on the outer wall of the needle tube 110, so that the user can easily see the depth of penetration of the specimen collection needle 100, and the accuracy of obtaining the bone tissue is improved.
Referring to fig. 1, in the above-described tissue biopsy needle, the collection needle grip 120 includes two collars 121 through which fingers pass.
Two collars 121 are provided for the fingers to pass through, so that the user can grasp the specimen collection needle 100 conveniently, and the needle insertion direction can be stabilized.
In the above-described tissue biopsy needle, the length of the puncture needle 200 is longer than the length of the needle tube 110.
The length of the puncture needle 200 is greater than the length of the needle cannula 110 such that the tip 230 of the first needle body 210 can protrude from the interior of the needle cannula 110 when the puncture needle 200 is inserted into the interior of the needle cannula 110, thereby facilitating penetration of cortical bone when inserting the needle.
Referring to fig. 1 and 3, in the above-described tissue biopsy needle, a clip 160 is provided on the specimen collection needle 100, and a first clip groove 250 matching the clip 160 is provided on the puncture needle 200.
When the puncture needle 200 is inserted into the specimen collection needle 100, the puncture needle 200 and the specimen collection needle 100 can be fastened together by the engagement of the buckle 160 and the first clamping groove 250.
Referring to fig. 1 and 5, in the above-described biopsy needle, the specimen collection needle 100 is provided with a clip 160, and the specimen push-out needle 300 is provided with a second clip groove 340 matching the clip 160.
The second needle body 310 of the specimen push-out needle 300 is inserted into the needle tube 110, and the specimen push-out needle 300 and the specimen collection needle 100 can be fastened together by matching the buckle 160 with the second clamping groove 340.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A bone tissue biopsy needle, comprising:
the sample collection needle comprises a needle tube with a hollow inside and a collection needle holding part arranged at one end part of the needle tube, wherein a tooth-shaped protrusion is arranged at the other end part of the needle tube, and a linear protrusion for clamping a sample is arranged on the inner wall of the needle tube;
the puncture needle comprises a first needle body matched with the needle tube and a first handle arranged at one end part of the first needle body, a needle point is arranged at the other end part of the first needle body, and a first linear groove matched with the linear protrusion is arranged on the outer wall of the first needle body.
2. The bone tissue biopsy needle of claim 1, further comprising a specimen push-out needle comprising a second needle body mated with the needle cannula and a second handle disposed at one end of the second needle body, an outer wall of the second needle body being provided with a second linear recess mated with the linear protrusion.
3. The bone tissue biopsy needle of claim 2, wherein the other end of the second needle body is a planar end or an arcuate end.
4. The bone tissue biopsy needle of claim 1, wherein the linear protrusion is provided in plurality, and the plurality of linear protrusions are uniformly arranged on the inner wall of the needle tube.
5. The bone tissue biopsy needle of claim 1, wherein the outer wall of the needle cannula is provided with needle penetration length scales.
6. The bone tissue biopsy needle of claim 1, wherein the collection needle grip comprises two collars through which fingers pass.
7. The bone tissue biopsy needle of claim 1, wherein the length of the needle cannula is greater than the length of the needle cannula.
8. The bone tissue biopsy needle of claim 1, wherein the specimen collection needle is provided with a clip, and wherein the needle is provided with a first slot that mates with the clip.
9. The bone tissue biopsy needle of claim 2, wherein the specimen collection needle is provided with a catch, and the specimen push-out needle is provided with a second catch slot that mates with the catch.
10. The bone tissue biopsy needle of claim 4, wherein the linear protrusion is provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158704.4U CN219229959U (en) | 2022-08-16 | 2022-08-16 | Bone tissue biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158704.4U CN219229959U (en) | 2022-08-16 | 2022-08-16 | Bone tissue biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219229959U true CN219229959U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222158704.4U Active CN219229959U (en) | 2022-08-16 | 2022-08-16 | Bone tissue biopsy needle |
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|---|---|
| CN (1) | CN219229959U (en) |
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- 2022-08-16 CN CN202222158704.4U patent/CN219229959U/en active Active
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