CN105232092A - Bone tissue aspiration biopsy needle core - Google Patents
Bone tissue aspiration biopsy needle core Download PDFInfo
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- CN105232092A CN105232092A CN201510541118.XA CN201510541118A CN105232092A CN 105232092 A CN105232092 A CN 105232092A CN 201510541118 A CN201510541118 A CN 201510541118A CN 105232092 A CN105232092 A CN 105232092A
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- closing member
- nook closing
- main body
- biopsy needle
- bone tissue
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Abstract
The invention provides a bone tissue aspiration biopsy needle core. The bone tissue aspiration biopsy needle core comprises a tubular needle core body, wherein self-tapping threads are arranged on the outer side wall of a piercing end of the needle core body; a zigzag convex edge is arranged at the piercing end of the needle core body and comprises a projected edge which is formed by extending a local region of a side wall of the needle core body along the direction parallel to the axis of the needle core body; the zigzag convex edge is provided with two inclined sides; and a cutting edge is arranged on the inclined side in the self-tapping thread screwing-in direction. The bone tissue aspiration biopsy needle core can be widely used for treating and diagnosing bone diseases.
Description
Technical field
The present invention relates to a kind of surgical instrument, particularly a kind of for obtaining the biopsy needle that tissue samples carries out analyzing.
Background technology
In bone surgery, need to sample osseous tissue, for analysis and diagnosis.This process has two aspect constraintss: one is that sampling amount wants enough, meet the consumption requirement of analyzing and diagnosing; On the other hand, sampling amount can not be too large, avoids causing unnecessary wound with painful to patient.
To achieve these goals, through updating in practice, popular is biopsy needle to osseous tissue sampling appliance at present.Biopsy needle is generally tubular structure, thrusts osseous tissue one end and also cut tissue while thrusting.After extracting biopsy needle, organizing of cutting down also is taken out of by biopsy needle.
After above-mentioned biopsy needle thrusts, although cut one section of columnar structure sample organizationally, the root of this sample still keeps being connected with osseous tissue.In order to this sample can be taken smoothly out of, current biopsy needle is all provided with the cutting tip that the biopsy needle central shaft to tubulose draws in thrusting end, make after biopsy needle thrusts, the root of columnar structure sample and osseous tissue keep the diameter of coupling part smaller, when extraction biopsy needle, there is an active force lifted the cutting tip of drawing in column tissue samples, simultaneously because the root of columnar structure sample and osseous tissue keep the diameter of coupling part smaller, the active force of this lift can than being easier to root and the osseous tissue coupling part of breaking columnar structure sample.
Analyzing above description, can see, there is certain problem in existing biopsy needle:
1, owing to there is the cutting tip of drawing in biopsy needle central shaft, direction is thrust from biopsy needle in this part tip, sharp-pointed not (more blunt in other words), when biopsy needle thrusts osseous tissue, softer tissue (in such as osseous tissue some cancerous issues) is there is when thrusting at biopsy needle on path, above-mentioned cutting tip probably extrudes comparatively soft tissue when running into these and organizing, and does not then puncture this comparatively soft tissue, and is to slide over this part.Obviously, this situation is quite unfavorable for follow-up diagnosis.
2, owing to there is the cutting tip of drawing in biopsy needle central shaft, when biopsy needle thrusts osseous tissue, the process of thrusting of this part more blunt cutting tip can cause comparatively havoc to the sample obtained, and makes the diagnostic value of the sample obtained reduce or lose diagnostic value.
Summary of the invention
The acquisition sample existed to solve existing osseous tissue biopsy needle does not destroy larger problem comprehensively, to sample, the invention provides a kind of bone tissue needle biopsy needle nook closing member.
Technical scheme of the present invention is as follows:
Bone tissue needle biopsy needle nook closing member, comprises tubulose nook closing member main body, and the lateral wall of thrusting end in described nook closing member main body is provided with tapping screw thread; Thrust end in described nook closing member main body, be provided with zigzag convex edge, the edge of the protrusion that the regional area that described zigzag convex edge comprises the sidewall of described nook closing member main body extends to form along the axis direction being parallel to described nook closing member main body; Described zigzag convex edge has two inclined sides, and the described inclined side on described tapping screw thread precession direction is provided with cutting edge.
The quantity of described zigzag convex edge is greater than 1, and is uniformly distributed around the axis circumference of described nook closing member main body.
The quantity of described zigzag convex edge is 4.
Described two inclined sides are the triangle that waist is formed, and are provided with angle that the inclined side of described cutting edge and base form and are greater than the angle that another inclined side and described base form.
The medial wall that described nook closing member main body thrusts end is smooth.
In described nook closing member main body relative to the described other end thrusting end, be provided with handle.
End is thrust and relative to the described other end thrusting end described in described nook closing member main body hollow space is communicated with.
Technique effect of the present invention:
Bone tissue needle biopsy needle nook closing member of the present invention utilizes the tapping screw thread thrusting end lateral wall to screw in osseous tissue.Cutting edge in this screw-in process on zigzag convex edge cuts osseous tissue above.Because zigzag convex edge is the axis being parallel to nook closing member main body, namely zigzag convex edge is not drawn in the axis of nook closing member main body, direction is thrust from nook closing member, zigzag convex edge is enough sharp-pointed, even if run into comparatively soft tissue, add the cutting edge that zigzag convex edge is arranged, also can cut and organize smoothly, obtain good sample.In addition, because zigzag convex edge is not drawn in the axis of nook closing member main body, screw in osseous tissue process at nook closing member, do not cause more destruction to tissue samples, the osseous tissue sample of acquisition is more excellent, achieves object of the present invention.
Accompanying drawing explanation
Fig. 1 is the front view of bone tissue needle biopsy needle nook closing member of the present invention.
The partial enlarged drawing that Fig. 2 draws the line for dotted line frame in Fig. 1.
The upward view of part shown in Fig. 3 Fig. 2.
Fig. 4 is the axonometric chart of part shown in Fig. 2.
In figure, mark is described as follows:
10, hands handle; 11, nook closing member main body; 12, end is thrust;
20, zigzag convex edge; 201, the first inclined side; 202, the second inclined side.
Detailed description of the invention
Before technical scheme of the present invention is described in detail, explanation is unified to the part wording used in description process.
Tubulose: the term describing nook closing member main body in the present invention.Refer to that nook closing member main body has the shape of pipe, i.e. the column shape of hollow.
Thrust end: the term being the nook closing member main body describing bone tissue needle biopsy needle nook closing member of the present invention.Particularly pointer core main body thrusts one end of osseous tissue, is provided with handle, the other end of nook closing member main body for operating to be different from.
Tapping screw thread: this screw thread is arranged on thrusting on end lateral wall of nook closing member main body, when screwing in osseous tissue, screw afterbody and tooth portion can be utilized to cut cooperation female thread in the mode of similar tapping, thus thrust osseous tissue.
Zigzag: be describe nook closing member main body to thrust the outstanding dentalation of end tip portion.This dentalation is similar to the sawtooth on saw blade, has sharp-pointed angle to cut osseous tissue smoothly.
With lower part by reference to the accompanying drawings, technical scheme of the present invention is described in detail.
Fig. 1 to Fig. 4 shows an example of bone tissue needle biopsy needle nook closing member of the present invention.
Fig. 1 shows the overall structure of bone tissue needle biopsy needle nook closing member, comprises tubulose nook closing member main body 11.One end (one end below in Fig. 1) of nook closing member main body 11 is for thrusting end 12; The other end thrusting end 12 is provided with handle 10.Handle 10 is positions that operator carries out when operating holding, and is mainly used in applying turning moment to nook closing member main body 11.
Fig. 2 show further the part of dotted line frame in Fig. 1, namely thrusts the partial enlarged drawing of end 12.As can be seen from Figure 2, the lateral wall of thrusting end 12 is provided with tapping screw thread (composition graphs 3 and Fig. 4 can see this point further).The top () of thrusting end 12 is provided with zigzag convex edge 20 in Fig. 2 bottom.Zigzag convex edge 20 is that be the zigzag edge being extended protrusion by the subregion of the sidewall thrusting end 12, the bearing of trend at this zigzag edge is parallel to the axis of nook closing member main body 11 in the structure with zigzag fashion arranged at the top of thrusting end 12.Zigzag convex edge 20 can be formed by the machining of oppose side wall at the top of thrusting end 12 of tubulose nook closing member main body 11.In other words, zigzag convex edge 20 is not drawn in the axis of nook closing member main body 11.As previously described, this construction features of zigzag convex edge 20 brings following technical advantage: thrust direction from nook closing member, and zigzag convex 20, along enough sharp-pointed, even if run into comparatively soft tissue, also can cut and organize smoothly, obtain good sample; In addition, because zigzag convex edge 20 is not drawn in the axis of nook closing member main body, screw in osseous tissue process at nook closing member, do not cause more destruction to tissue samples, the osseous tissue sample of acquisition is more excellent.
Can also see from Fig. 3 and Fig. 4, zigzag convex edge 20 comprises two inclined sides: the first inclined side 201 and the second inclined side 202.First inclined side 201 and the second inclined side 202 opposite tilt, constitutes the tooth of zigzag convex edge 20.Thrusting the tapping screw thread that the lateral wall of end 12 is arranged makes bone tissue needle biopsy needle nook closing member have the direction of the screw-in osseous tissue that is determined, on the direction that this screws in osseous tissue, Comparatively speaking the first inclined side 201 first contacting osseous tissue is provided with cutting edge, the tooth of zigzag convex edge 20 is made to have certain cutting power, add the cutting power of described tapping screw thread itself, make the efficiency of the cutting osseous tissue of bone tissue needle biopsy needle nook closing member of the present invention higher.
First inclined side 201 and the second inclined side 202 constitute triangle as waist, and (base is now virtual, the end points of the first inclined side 201 away from the crown of described tooth, with the second inclined side 202 away from the crown of described tooth end points virtual continuously), the angle that the first inclined side 201 and described base are formed is greater than the angle that the second inclined side 202 and described base are formed.Such vibrational power flow makes when cutting osseous tissue, and from mechanical structure angle, zigzag convex edge 20 has higher intensity.
In order to improve further stock-removing efficiency and power evenly distribution, zigzag convex edge 20 preferably arranges multiple, and is uniformly distributed in the circumferential.In example shown in Fig. 1 to Fig. 4, from the cross section of the nook closing member main body 11 of bone tissue needle biopsy needle nook closing member, the quantity of zigzag convex edge 20 is 4, and be uniformly distributed around the axis circumference of described nook closing member main body 11, namely, on the circular projection formed at described cross section at the sidewall of nook closing member main body 11, circumference is uniformly distributed.
Can also see from Fig. 3 and Fig. 4, the medial wall that nook closing member main body thrusts end 12 is smooth, does not namely arrange to projecting inward structure, and this makes nook closing member main body after screw-in osseous tissue, thrust the tissue samples obtained in end 12 not to be destroyed, ensure that the Optimality of osseous tissue sample.
The construction features do not illustrated in Fig. 1 to Fig. 4, explanatory note is carried out: the hollow space of the nook closing member main body 11 of tubulose runs through overall at this, namely a hollow channel is communicated with the other end thrusting end 12 and be provided with handle 10, this is convenient to other apparatuses and is operated by this hollow channel, such as, make the operation that osseous tissue sample departs from.
It should be noted that and the foregoing is only preferred embodiment of the present invention, not thereby limit scope of patent protection of the present invention, the present invention can also adopt equivalent technologies to replace.Therefore the equivalence change that all utilizations description of the present invention and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (7)
1. bone tissue needle biopsy needle nook closing member, comprises tubulose nook closing member main body, it is characterized in that: the lateral wall of thrusting end in described nook closing member main body is provided with tapping screw thread; Thrust end in described nook closing member main body, be provided with zigzag convex edge, the edge of the protrusion that the regional area that described zigzag convex edge comprises the sidewall of described nook closing member main body extends to form along the axis direction being parallel to described nook closing member main body; Described zigzag convex edge has two inclined sides, and the described inclined side on described tapping screw thread precession direction is provided with cutting edge.
2. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: the quantity of described zigzag convex edge is greater than 1, and is uniformly distributed around the axis circumference of described nook closing member main body.
3. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: the quantity of described zigzag convex edge is 4.
4. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: described two inclined sides are the triangle that waist is formed, and is provided with angle that the inclined side of described cutting edge and base form and is greater than the angle that another inclined side and described base form.
5. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: the medial wall that described nook closing member main body thrusts end is smooth.
6. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: in described nook closing member main body relative to the described other end thrusting end, be provided with handle.
7. bone tissue needle biopsy needle nook closing member according to claim 1, is characterized in that: thrust end described in described nook closing member main body hollow space is communicated with and relative to the described other end thrusting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541118.XA CN105232092A (en) | 2015-08-28 | 2015-08-28 | Bone tissue aspiration biopsy needle core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541118.XA CN105232092A (en) | 2015-08-28 | 2015-08-28 | Bone tissue aspiration biopsy needle core |
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| Publication Number | Publication Date |
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| CN105232092A true CN105232092A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510541118.XA Pending CN105232092A (en) | 2015-08-28 | 2015-08-28 | Bone tissue aspiration biopsy needle core |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877788A (en) * | 2016-05-27 | 2016-08-24 | 厦门大学附属中山医院 | Novel biopsy extractor system for department of orthopaedics |
| CN106236151A (en) * | 2016-08-23 | 2016-12-21 | 王少峰 | A kind of puncture needle |
| CN108836451A (en) * | 2018-07-11 | 2018-11-20 | 上海锐植医疗器械有限公司 | A kind of bone surgery puncture outfit |
| CN109770960A (en) * | 2019-03-12 | 2019-05-21 | 北京大学第三医院（北京大学第三临床医学院） | Bone tissue biopsy needle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036033U (en) * | 1988-08-25 | 1989-04-19 | 李牧 | Whorl saw with bloch ring |
| CN2274478Y (en) * | 1996-11-19 | 1998-02-18 | 祝玉堂 | Improved assembly for cervical vertebrae saw |
| CN2604154Y (en) * | 2003-03-13 | 2004-02-25 | 张利 | Medical cylinder drill |
| CN101332112A (en) * | 2007-04-28 | 2008-12-31 | 侯慧芳 | Micro-wound bone taking device |
| CN102085114A (en) * | 2009-12-03 | 2011-06-08 | 比德曼莫泰赫有限责任两合公司 | Bone screw |
| US20110208089A1 (en) * | 2010-02-25 | 2011-08-25 | Promex Technologies, Llc | Full core biopsy device |
| CN102217955A (en) * | 2011-05-05 | 2011-10-19 | 单建林 | Bone biopsy needle |
| CN202409040U (en) * | 2011-12-31 | 2012-09-05 | 北京惠慈假肢医疗用品开发有限责任公司 | Bone drill |
| EP2698116A1 (en) * | 2012-08-16 | 2014-02-19 | AprioMed AB | Biopsy assembly for obtaining a tissue sample |
| CN204260785U (en) * | 2014-11-28 | 2015-04-15 | 陈志维 | A kind of novel bone-taking drill |
-
2015
- 2015-08-28 CN CN201510541118.XA patent/CN105232092A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036033U (en) * | 1988-08-25 | 1989-04-19 | 李牧 | Whorl saw with bloch ring |
| CN2274478Y (en) * | 1996-11-19 | 1998-02-18 | 祝玉堂 | Improved assembly for cervical vertebrae saw |
| CN2604154Y (en) * | 2003-03-13 | 2004-02-25 | 张利 | Medical cylinder drill |
| CN101332112A (en) * | 2007-04-28 | 2008-12-31 | 侯慧芳 | Micro-wound bone taking device |
| CN102085114A (en) * | 2009-12-03 | 2011-06-08 | 比德曼莫泰赫有限责任两合公司 | Bone screw |
| US20110208089A1 (en) * | 2010-02-25 | 2011-08-25 | Promex Technologies, Llc | Full core biopsy device |
| CN102217955A (en) * | 2011-05-05 | 2011-10-19 | 单建林 | Bone biopsy needle |
| CN202409040U (en) * | 2011-12-31 | 2012-09-05 | 北京惠慈假肢医疗用品开发有限责任公司 | Bone drill |
| EP2698116A1 (en) * | 2012-08-16 | 2014-02-19 | AprioMed AB | Biopsy assembly for obtaining a tissue sample |
| CN204260785U (en) * | 2014-11-28 | 2015-04-15 | 陈志维 | A kind of novel bone-taking drill |
Non-Patent Citations (1)
| Title |
|---|
| 刘祖德，贾连顺，徐印坎等: "带螺纹状环锯颈前路手术器械的研制", 《第二军医大学学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877788A (en) * | 2016-05-27 | 2016-08-24 | 厦门大学附属中山医院 | Novel biopsy extractor system for department of orthopaedics |
| CN105877788B (en) * | 2016-05-27 | 2019-02-15 | 厦门大学附属中山医院 | Orthopedic biopsy extractor system |
| CN106236151A (en) * | 2016-08-23 | 2016-12-21 | 王少峰 | A kind of puncture needle |
| CN108836451A (en) * | 2018-07-11 | 2018-11-20 | 上海锐植医疗器械有限公司 | A kind of bone surgery puncture outfit |
| CN109770960A (en) * | 2019-03-12 | 2019-05-21 | 北京大学第三医院（北京大学第三临床医学院） | Bone tissue biopsy needle |
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Application publication date: 20160113 |