CN102217955A - Bone biopsy needle - Google Patents
Bone biopsy needle Download PDFInfo
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- CN102217955A CN102217955A CN 201110115139 CN201110115139A CN102217955A CN 102217955 A CN102217955 A CN 102217955A CN 201110115139 CN201110115139 CN 201110115139 CN 201110115139 A CN201110115139 A CN 201110115139A CN 102217955 A CN102217955 A CN 102217955A
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- stylophore
- lesion tissue
- aspiration biopsy
- implant
- biopsy pin
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Abstract
The invention discloses a bone biopsy needle and provides an implant and a method for establishing a bacterial biofilm infected animal model. The implant is a hollow tubular object; one end of the implant is aculeated and used for piercing the skin of an animal to be molded. The invention also provides a method for establishing the bacterial biofilm infected animal model by using the implant. The implant and the method for establishing the bacterial biofilm infected animal model do not need open operations, are simple and convenient to operate, not only are suitable for larger animals like rabbit, guinea pig and rat, but also can be used for laboratory rats. Moreover, the wound surfaces are small, and the animals can recover quickly. Therefore, the bad influences of anthropogenic factors like operative procedures and the like on the experimental animals can be effectively limited; and the condition control during the establishing of models is improved.
Description
Technical field
The present invention relates to a kind of tissue penetration biopsy needle, particularly a kind of bone aspiration biopsy pin.
Background technology
In medical diagnosis on disease and therapeutic process, biopsy can be used for understanding PD and check therapeutic effect.Therefore it is particularly important how quick and precisely to take out biopsy easily.Biopsy needle to the osseous tissue sampling at present commonly used is referring to Fig. 1 and Fig. 2, and Fig. 1 is the sketch map of the bone aspiration biopsy pin of prior art, and Fig. 2 is the exploded view of the bone aspiration biopsy pin of prior art.Bone aspiration biopsy pin is a kind of hollow needle with handle as shown in the figure, comprises nook closing member 1, stylophore 2, handle 3.Nook closing member has sharp-pointed syringe needle, and nook closing member slightly is longer than stylophore so that syringe needle protrudes in stylophore.The opening part of stylophore puts the first edge on a knife or a pair of scissors, and is used for puncture or cutting lesion tissue.Handle is provided with the locking device of nook closing member, user operating grip locking or unclamp nook closing member.In piercing process, stylophore punctures in the osseous tissue with nook closing member.Be about to transfer to nook closing member when the focus sampling point is scheduled in arrival.User continues to promote or rotary handle, and stylophore enters lesion tissue.Because its opening part of stylophore puts the first edge on a knife or a pair of scissors and has hollow tubular structure, along with stylophore screws in lesion tissue, its hollow structure cutting lesion tissue, and the lesion tissue under the cutting is entered in the hollow tubular structure.After finishing sampling, the operator extracts handle.The lesion tissue that is deposited in the stylophore is taken out with stylophore.But there is significant disadvantages in this bone aspiration biopsy pin: because the stylophore inner wall smooth, even the stylophore puncture enters lesion tissue, only rely on the axial cutting of stylophore and the small frictional force of stylophore smooth inner wall, the lesion tissue, particularly expectation of be difficult to taking out lesion tissue or getting q.s take out bone or rigid etc. difficult when disconnected lesion tissue more very.According to clinical experience, the success rate that the focus osseous tissue is taken out only is about 60%.In case unsuccessful just must puncture once more or repeatedly, till the osseous tissue that successfully takes out capacity, bring very big misery to the patient, increased the generation of tissue loss, complication such as hemorrhage simultaneously.
Summary of the invention
In order to overcome the shortcoming that prior art exists, the invention provides a kind of bone aspiration biopsy pin, comprise nook closing member, stylophore and handle, it is characterized in that: described stylophore inner surface is provided with friction member near opening part.
Preferably, described friction member is a helicitic texture.
Perhaps preferably, described friction member is the vertebra platform of hollow, and it is gone to the bottom and is fixed in the stylophore inner surface and closes on opening part, and its upper base diameter is more than or equal to the diameter of nook closing member.
Preferably, the side of described friction member is discontinuous or part is discontinuous.
Preferably, described friction member has elasticity.
Preferably, the discontinuous or discontinuous side of part of described friction member is down that bottom opening is little, to go up bottom opening big.
Preferably, the inner surface of described friction member is a helicitic texture.
Most preferably, described stylophore opening part is a zigzag.
Employing is according to bone aspiration biopsy pin of the present invention, because the stylophore inner surface has rough helicitic texture near opening part, lesion tissue for bone or solid structure, along with stylophore screws in lesion tissue, the surface of the lesion tissue under the cutting forms the screw thread that cooperates with helicitic texture, when therefore transfering to stylophore by handle, the screw thread that the helicitic texture of stylophore inner surface and lesion tissue surface form cooperatively interacts, increase the frictional force of lesion tissue motion again owing to the helicitic texture of stylophore inner surface, so can retain the lesion tissue of q.s in the stylophore.In addition, since the stylophore inner surface near opening part be provided with hollow, go to the bottom and be fixed in the vertebra platform that the stylophore inner surface closes on opening part, for soft, be that the bone structure is destroyed or by the alternate lesion tissue of the soft tumor tissues of matter, along with stylophore screws in lesion tissue, lesion tissue under the stylophore cutting enters in the stylophore, and owing to the diameter of vertebra platform from the upper base of going to the bottom dwindles gradually, the vertebra platform constantly pushes lesion tissue.After the lesion tissue of predetermined length entered in the stylophore, lesion tissue exceeded the upper base of vertebra platform, and the lesion tissue that is continued extruding expands suddenly, and vertebra platform upper base limits the clamping of lesion tissue and only allows lesion tissue to enter stylophore and can not transfer to.When therefore transfering to stylophore, retain the lesion tissue of q.s in the stylophore by handle.Thereby greatly improved the success rate that lesion tissue is taken out.
Description of drawings
Fig. 1 is the sketch map of the bone aspiration biopsy pin of present technology;
Fig. 2 is the exploded view of the bone aspiration biopsy pin of prior art;
Fig. 3 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of first embodiment of the invention;
Fig. 4 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of second embodiment of the invention; And
Fig. 5 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of third embodiment of the invention.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, can implement according to this with reference to the description literal to make those skilled in the art.
First embodiment
Referring to Fig. 3, Fig. 3 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of first embodiment of the invention.As shown in the figure, the bone aspiration biopsy pin according to first embodiment of the invention comprises: nook closing member 1, stylophore 2, handle 3.Inner surface at stylophore 2 opening parts is provided with helicitic texture 4.In piercing process, stylophore 2 punctures in the osseous tissue with nook closing member 1.Be about to transfer to nook closing member 1 when the focus sampling point is scheduled in arrival.User continues to promote or rotary handle 3, and stylophore 2 enters lesion tissue.Because stylophore 2 its opening parts put the first edge on a knife or a pair of scissors and have hollow tubular structure, along with stylophore 2 screws in lesion tissue, the surface of the lesion tissue under the cutting forms the screw thread that cooperates with helicitic texture 4, and the lesion tissue under the cutting is entered in the hollow tubular structure.After finishing sampling, the operator extracts handle 3.The helicitic texture 4 of stylophore 2 inner surfacies cooperatively interacts with the screw thread that the lesion tissue surface forms, and has increased the frictional force of lesion tissue motion again owing to the helicitic texture 4 of stylophore 2 inner surfacies, and the lesion tissue that is deposited in the stylophore 2 is taken out with stylophore 2.Therefore when handle 3 is transferred to stylophores 2, so can retain the lesion tissue of q.s in the stylophore 2.
Referring to Fig. 4, Fig. 4 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of second embodiment of the invention.As shown in the figure, near opening part vertebra platform 5 is set at stylophore 2 inner surfacies according to the bone aspiration biopsy pin of second embodiment of the invention, vertebra platform 5 is apart from opening 3mm.Vertebra platform 5 is a hollow structure, height 2-5mm, and stylophore 2 inner surfacies are fixed in going to the bottom of vertebra platform 5, and the diameter of upper base passes through to allow nook closing member 1 more than or equal to the diameter of nook closing member 1.In piercing process, stylophore 2 punctures in the osseous tissue with nook closing member 1.Be about to transfer to nook closing member 1 when the focus sampling point is scheduled in arrival.User continues to promote or rotary handle 3, and stylophore 2 enters lesion tissue.Because stylophore 2 its opening parts put the first edge on a knife or a pair of scissors and have hollow tubular structure, along with stylophore 2 screws in lesion tissue, the lesion tissue under the cutting enters in the stylophore 2, and owing to the diameter of vertebra platform 5 from the upper base of going to the bottom dwindles gradually, vertebra platform 5 is the extruding lesion tissue constantly.After the lesion tissue of predetermined length entered in the stylophore 2, lesion tissue exceeded the upper base of vertebra platform 5, and the lesion tissue that is continued extruding discharges suddenly and expands, and vertebra platform 5 upper bases limit the clamping of lesion tissue and only allow lesion tissue to enter stylophore 2 and can not transfer to.When therefore transfering to stylophore 2, retain the lesion tissue of q.s in the stylophore 2 by handle 3.
Referring to Fig. 5, Fig. 5 is the sketch map according to the stylophore opening part of the bone aspiration biopsy pin of third embodiment of the invention.As shown in the figure, the bone aspiration biopsy pin according to third embodiment of the invention is provided with vertebra platform 5 at stylophore 2 inner surfacies near opening part.Vertebra platform 5 is a hollow structure, and it is gone to the bottom and is fixed in stylophore 2 inner surfacies.Vertebra platform 5 is by the rubber-like material preparation.And the side is discontinuous, and obviously the side also can be discontinuous for part.Following bottom opening is little, upward bottom opening is big.When nook closing member 1 was in stylophore 2, nook closing member 1 made the inner surface of vertebra platform 5 against stylophore 2.In piercing process, stylophore 2 punctures in the osseous tissue with nook closing member 1.Be about to transfer to nook closing member 1 when the focus sampling point is scheduled in arrival.The upper base of rubber-like vertebra platform loses the extruding of nook closing member 1, and stretches to the axle center of stylophore 2.Be similar to " clamping hands ".After lesion tissue entered vertebra platform 5, the clamping that has further increased lesion tissue by means of the clamping of " clamping hands " limited.When therefore transfering to stylophore 2, retain the lesion tissue of q.s in the stylophore 2 by handle 3.
Although embodiment of the present invention are open as above, but it is not restricted to institute's array structure and utilization in description and the embodiment, as bone aspiration biopsy pin of the present invention, stylophore 2 inner surfacies can be provided with and anyly can increase the lesion tissue kinetic friction force and increase structure or device to the clamping of the lesion tissue that enters stylophore 2; Further, those skilled in the art can be used for bone aspiration biopsy pin of the present invention the puncture of its hetero-organization is taken a sample without creationary modification.Therefore under the general concept that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (8)
1. a bone aspiration biopsy pin comprises nook closing member, stylophore and handle, it is characterized in that: described stylophore inner surface is provided with friction member near opening part.
2. bone aspiration biopsy pin as claimed in claim 1 is characterized in that described friction member is a helicitic texture.
3. bone aspiration biopsy pin as claimed in claim 1 is characterized in that, described friction member is the vertebra platform of hollow, and it is gone to the bottom and is fixed in the stylophore inner surface and closes on opening part, and its upper base diameter is more than or equal to the diameter of nook closing member.
4. bone aspiration biopsy pin as claimed in claim 3 is characterized in that the side of described friction member is discontinuous or part is discontinuous.
5. bone aspiration biopsy pin as claimed in claim 4 is characterized in that described friction member has elasticity.
6. bone aspiration biopsy pin as claimed in claim 5 is characterized in that, the discontinuous or discontinuous side of part of described friction member is down that bottom opening is little, to go up bottom opening big.
7. as arbitrary described bone aspiration biopsy pin in the claim 3～6, it is characterized in that the inner surface of described friction member is a helicitic texture.
8. bone aspiration biopsy pin as claimed in claim 7 is characterized in that described stylophore opening part is a zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110115139A CN102217955B (en) | 2011-05-05 | 2011-05-05 | Bone biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110115139A CN102217955B (en) | 2011-05-05 | 2011-05-05 | Bone biopsy needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102217955A true CN102217955A (en) | 2011-10-19 |
| CN102217955B CN102217955B (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110115139A Active CN102217955B (en) | 2011-05-05 | 2011-05-05 | Bone biopsy needle |
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| CN (1) | CN102217955B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654919A (en) * | 2013-12-13 | 2014-03-26 | 中国人民解放军第三军医大学第二附属医院 | Percutaneous threaded marrow core bone tumor biopsy puncture needle |
| CN105232092A (en) * | 2015-08-28 | 2016-01-13 | 陆宁 | Bone tissue aspiration biopsy needle core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5385151A (en) * | 1992-09-09 | 1995-01-31 | Symbiosis Corporation | Coaxial bone marrow biopsy needle assembly |
| CN101516274A (en) * | 2006-09-12 | 2009-08-26 | 维达保健公司 | Biopsy devices and related methods |
| CN201418773Y (en) * | 2009-06-04 | 2010-03-10 | 徐承棉 | Medical puncture needle |
| CN201426765Y (en) * | 2009-07-07 | 2010-03-24 | 张远成 | puncture outfit |
| CN201578345U (en) * | 2010-01-12 | 2010-09-15 | 何晖 | Bone marrow puncture needle |
| EP2415410A1 (en) * | 2009-04-03 | 2012-02-08 | Weixing Shao | Puncture needle for orthopedic operation |
-
2011
- 2011-05-05 CN CN201110115139A patent/CN102217955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5385151A (en) * | 1992-09-09 | 1995-01-31 | Symbiosis Corporation | Coaxial bone marrow biopsy needle assembly |
| CN101516274A (en) * | 2006-09-12 | 2009-08-26 | 维达保健公司 | Biopsy devices and related methods |
| EP2415410A1 (en) * | 2009-04-03 | 2012-02-08 | Weixing Shao | Puncture needle for orthopedic operation |
| CN201418773Y (en) * | 2009-06-04 | 2010-03-10 | 徐承棉 | Medical puncture needle |
| CN201426765Y (en) * | 2009-07-07 | 2010-03-24 | 张远成 | puncture outfit |
| CN201578345U (en) * | 2010-01-12 | 2010-09-15 | 何晖 | Bone marrow puncture needle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654919A (en) * | 2013-12-13 | 2014-03-26 | 中国人民解放军第三军医大学第二附属医院 | Percutaneous threaded marrow core bone tumor biopsy puncture needle |
| CN105232092A (en) * | 2015-08-28 | 2016-01-13 | 陆宁 | Bone tissue aspiration biopsy needle core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102217955B (en) | 2012-10-17 |
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