CN104665881B - One seed capsules reality mass puncture biopsy trocar knife - Google Patents
One seed capsules reality mass puncture biopsy trocar knife Download PDFInfo
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- CN104665881B CN104665881B CN201510144689.XA CN201510144689A CN104665881B CN 104665881 B CN104665881 B CN 104665881B CN 201510144689 A CN201510144689 A CN 201510144689A CN 104665881 B CN104665881 B CN 104665881B
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- termination
- epitheca
- needle
- needle stand
- inner core
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Abstract
The invention discloses a seed capsules reality mass puncture biopsy trocar knife, it is made up of puncture biopsy needle epitheca and inner core trocar knife two parts；Its inner core trocar knife navigates within the outer intrathecal of puncture biopsy needle, and is fixed togather inner core trocar knife and the relative position of puncture biopsy needle epitheca by by needle stand buckle and needle stand draw-in groove；The termination cambered blade of inner core trocar knife is close to the inwall of the hollow shank of epitheca, when the madial wall with the termination side pin hole of epitheca side pin hole termination is intersected, form " chopper " effect, will gradually protrude into termination side pin hole tissue fragments it is disconnected scale off, and closed end side pin hole；The present invention both can be with liquid between aspirates tissue, the a small amount of solid tissue for meeting pathological diagnosis needs can be obtained again, on the basis of tradition puncture needle biopsy drawback is avoided, reach " a pin multipurpose ", it is easy to be quick, wound is small, is expected to turn into the ideal diagnostic method of clinical entity enclosed mass class disease.
Description
Technical field
The invention belongs to medical instruments field, specifically a seed capsules reality mass puncture biopsy trocar knife.
Background technology
It is common illness that entity or capsule reality enclosed mass occurs in body.So far, in clinical treatment, except ultrasonic blood examination
Look into, outside the auxiliary diagnosis such as tomoscan and Magnetic resonance imaging, it is most important that can obtain a small amount of by microtrauma means
The tissue of enclosed mass carries out pathological examination, is that most important detection methods before thoroughly treatment are carried out to it, commonly referred to as：Finally examine
It is disconnected.Aspiration method is had at present, is the principle drawn using syringe negative-pressure after lancet puncture is entered into enclosed mass, make every effort to take
Obtain a little enclosed mass tissue or interstitial fluid body is diagnosed, but because enclosed mass biological tissue has tissue toughness, often because being difficult to
Tissue is suctioned out, or the interstitial fluid body for obtaining can not carry out pathological diagnosis, make to carry out puncture acquirement tissue for solid mass
Problem could not solve always.
The content of the invention
It is an object of the invention to provide a seed capsules reality mass puncture biopsy trocar knife, to overcome traditional puncture needle utensil
The drawbacks of or deficiency.It both with liquid between aspirates tissue, and can obtain a small amount of solid tissue for meeting pathological diagnosis needs,
On the basis of tradition puncture needle biopsy drawback is avoided, reach " a pin multipurpose ", easy to be quick, wound is small, is expected to
As the ideal diagnostic method of clinical entity enclosed mass class disease.
To achieve the above object, the present invention provides following technical scheme：
One seed capsules reality mass puncture biopsy trocar knife, is made up of puncture biopsy needle epitheca and inner core trocar knife two parts；
The puncture biopsy needle epitheca is by the epitheca draw-in groove needle stand, the hollow shank of epitheca and the epitheca side pin hole end that linearly connect successively
First three parts composition；The inner core trocar knife is by the inner core buckle needle stand, core hollow shank and the inner core that linearly connect successively
Cut off the part of pin knife termination three composition；The external diameter of the core hollow shank is less than the internal diameter of the hollow shank of epitheca, and in inner core
Empty needle bar is close to the inwall of the hollow shank of epitheca；The epitheca side pin hole termination includes the solid needle point in termination, and positioned at end
Termination side pin hole above solid needle point；The inner core cuts off pin knife termination includes termination cambered blade, and and termination
The connected termination central needle hole of cambered blade, the internal diameter of the external diameter less than the hollow shank of epitheca of the termination cambered blade, and end
Head cambered blade is close to the inwall of the hollow shank of epitheca, forms " chopper " effect, the tissue for will protrude into termination side pin hole
Block is disconnected to scale off, and closed end side pin hole.
As further scheme of the invention：The pin hole internal diameter of the epitheca draw-in groove needle stand and the external diameter of inner core buckle needle stand
Phase sleeve type coincide；The upper end of the epitheca draw-in groove needle stand is provided with needle stand draw-in groove, and the lower end outer wall of inner core buckle needle stand is provided with pin
Seat buckle, and needle stand draw-in groove is mutually snap-in with needle stand buckle corresponding；Needle stand buckle engaging with needle stand draw-in groove, for fixing
The relative position of puncture biopsy needle epitheca and inner core trocar knife；Point of a knife to the pin base fastener of the termination cambered blade buckles the length at end
The length of the solid needle point in total length-termination of degree=puncture biopsy needle epitheca, makes the termination solid needle point of cambered blade contact tip
When, needle stand buckle is connected with needle stand draw-in groove.
As further scheme of the invention：Termination side pin hole is corresponding with needle stand draw-in groove, termination cambered blade
It is corresponding with needle stand buckle, and the needle stand draw-in groove and pin base fastener buckle and be equipped with corresponding bearing mark.
As further scheme of the invention：The needle stand draw-in groove uses double card slot structure, needle stand buckle correspondence to use
Double card buckle structure.
As further scheme of the invention：The puncture biopsy needle epitheca and inner core trocar knife use titanium steel material system
Into；Or the epitheca draw-in groove needle stand and inner core buckle needle stand are made of rigid plastics, the hollow shank of epitheca and epitheca side
Pin hole termination, and core hollow shank and inner core are cut off pin knife termination and are made of titanium steel material.
As further scheme of the invention：The epitheca draw-in groove needle stand and inner core buckle needle stand can directly and syringe
Mutually it is connected, and its length is 15mm ± 5mm.
As further scheme of the invention：The hollow shank surface of epitheca is provided with the graduation mark for indicating length,
2.5~3.0mm of its external diameter, internal diameter is 2.0~2.5mm, and length is 50~200mm；The internal diameter of the core hollow shank is 1.0
~1.5mm, length is 60~210mm.
As further scheme of the invention：Inner core at the central needle hole of termination cut off the external diameter of pin knife termination with
The external diameter of core hollow shank is equal；The internal-and external diameter of the epitheca side pin hole termination at the pin hole of termination side is hollow with epitheca
The internal-and external diameter of shank is equal.
As further scheme of the invention：The distance between the solid needle point in termination and termination side pin hole are 2mm
±0.5mm；The solid needle point in termination is sharp acicular texture, and its length is 2mm ± 0.5mm；Termination side pin hole
Length is 2mm ± 0.5mm, and width is the 0.25-0.40 of the hollow shank internal diameter of epitheca；The termination cambered blade is sharp arc
Shape structure, its length be 4mm ± 0.5mm, and a length of core hollow shank outer perimeter in periphery of intermediate position 0.5-0.7.
As further scheme of the invention：Termination side pin hole is that width is the 1/ of the hollow shank internal diameter of epitheca
3；The 2/3 of a length of core hollow shank outer perimeter in periphery in the termination cambered blade centre position.
Compared with prior art, the beneficial effects of the invention are as follows：
When the present invention is used, inner core trocar knife navigates within the outer intrathecal of puncture biopsy needle, and termination cambered blade is close in epitheca
The inwall of empty needle bar, when the madial wall with the termination side pin hole of epitheca side pin hole termination is intersected, forms " chopper " effect,
To gradually protrude into termination side pin hole tissue fragments it is disconnected scale off, and closed end side pin hole；Finally by by needle stand
Buckle and needle stand draw-in groove are fixed togather inner core trocar knife and the relative position of puncture biopsy needle epitheca；The present invention can both draw
Interstitial fluid body, and a small amount of solid tissue for meeting pathological diagnosis needs can be obtained, puncture needle biopsy tradition is avoided
On the basis of drawback, reach " a pin multipurpose ", easy quick, wound is small, be expected to turn into clinical entity enclosed mass class disease compared with
It is preferable diagnostic method.
Brief description of the drawings
Fig. 1 is the structural representation of capsule reality mass puncture biopsy trocar knife.
Fig. 2 is the front view of puncture biopsy needle epitheca.
Fig. 3 is the left view of puncture biopsy needle epitheca.
Fig. 4 is the front view of inner core trocar knife.
Fig. 5 is the left view of inner core trocar knife.
In figure：1- puncture biopsy needles epitheca, 11- epitheca draw-in grooves needle stand, 111- needle stands draw-in groove, the hollow shank of 12- epithecas,
13- epithecas side pin hole termination, 131- terminations side pin hole, the solid needle point in 132- terminations, 2- inner core trocars knife, 21- inner core cards
Fibula seat, 211- needle stands buckle, 22- core hollows shank, 23- inner cores cut off pin knife termination, 231- terminations cambered blade, 232-
Termination central needle hole.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1, a seed capsules reality mass puncture biopsy trocar knife, by puncture biopsy needle epitheca 1 and inner core trocar knife 2
Two parts are constituted.
Refer to Fig. 2 and Fig. 3, the puncture biopsy needle epitheca 1 is by the epitheca draw-in groove needle stand 11, outer that linearly connects successively
The hollow shank 12 of sheath and the part of epitheca side pin hole termination 13 3 constitute.
Refer to Fig. 4 and Fig. 5, the inner core trocar knife 2 is by the inner core buckle needle stand 21, inner core that linearly connects successively
Empty needle bar 22 and inner core cut off the part of pin knife termination 23 3 composition.
In the present invention, the puncture biopsy needle epitheca 1 and inner core trocar knife 2 are made of titanium steel material, are not afraid of sterilization
Immersion is steeped or high-temperature sterilization sterilization, can be with Reusability；Or the epitheca draw-in groove needle stand 11 and inner core buckle needle stand 21 are used
Rigid plastics is made, the hollow shank 12 of epitheca and epitheca side pin hole termination 13, and core hollow shank 22 and inner core cut off
Pin knife termination 23 is made of titanium steel material, and such puncture biopsy needle epitheca 1 and inner core trocar knife 2 are medical disposable material, can
To avoid cross pollution.
In the present invention, the pin hole internal diameter of the epitheca draw-in groove needle stand 11 is kissed with the external diameter phase sleeve type of inner core buckle needle stand 21
Close；The upper end of the epitheca draw-in groove needle stand 11 is provided with needle stand draw-in groove 111, and the lower end outer wall of inner core buckle needle stand 21 is provided with pin base fastener
Button 211, and needle stand draw-in groove 111 is mutually snap-in with needle stand buckle 211 corresponding；The card of the needle stand buckle 211 and needle stand draw-in groove 111
Close, the relative position for fixing puncture biopsy needle epitheca 1 and inner core trocar knife 2；In addition, the epitheca draw-in groove needle stand 11 and interior
Core buckle needle stand 21 directly can mutually be connected with conventional syringe, and its length is 15mm ± 5mm；The needle stand draw-in groove 111
With corresponding bearing mark is equipped with needle stand buckle 211；The needle stand draw-in groove 111 uses double card slot structure, needle stand buckle 211
Correspondence uses double card buckle structure.
In the present invention, the hollow surface of shank 12 of epitheca is provided with the graduation mark for indicating length, and its external diameter 2.5~
3.0mm, internal diameter is 2.0~2.5mm, and length is 50~200mm, is divided into the Multiple Types such as large, medium and small and extraordinary length,
Inspection is taken with the puncture of sharp depth different parts enclosed mass；The external diameter of the core hollow shank 22 is interior less than the hollow shank 12 of epitheca
Footpath, and core hollow shank 22 is close to the inwall of the hollow shank 12 of epitheca, is easy to core hollow shank 22 in core hollow shank
Walked in 22；The internal diameter of the core hollow shank 22 be 1.0~1.5mm, length be 60~210mm, be also divided into it is big or middle,
The Multiple Types such as small and extraordinary length, inspection is taken with the puncture of sharp depth different parts enclosed mass.
In the present invention, the epitheca side pin hole termination 13 includes the solid needle point 132 in termination, and positioned at termination solid needle
Termination side pin hole 131 at sharp 132 top 2mm ± 0.5mm, the epitheca side pin hole end at termination side pin hole 131
First 13 internal-and external diameter is equal with the internal-and external diameter of the hollow shank 12 of epitheca；The solid needle point 132 in termination is sharp acicular texture,
Its length is 2mm ± 0.5mm；The length of termination side pin hole 131 is 2mm ± 0.5mm, and width is the hollow shank 12 of epitheca
The 0.25-0.40 of internal diameter, preferably 1/3；Therefore epitheca side pin hole termination 13 can be met pathology in the present invention
The small tissue blocks of inspection, while will not take out excessive tissue triggers unmanageable internal haemorrhage, it is also ensured that termination side pin
Solid degree at hole 131.
In the present invention, the inner core cuts off pin knife termination 23 including termination cambered blade 231, and with termination cambered blade
231 its connected termination central needle hole 232, the inner core at termination central needle hole 232 cut off the external diameter of pin knife termination 23 with
The external diameter of core hollow shank 22 is equal；The termination cambered blade 231 is sharp arcuate structure, its length be 4mm ±
0.5mm, and a length of outer perimeter of core hollow shank 22 in periphery of intermediate position 0.5-0.7, preferably 2/3；The termination
The external diameter of cambered blade 231 is less than the internal diameter of the hollow shank 12 of epitheca, and termination cambered blade 231 is close to the hollow shank 12 of epitheca
Inwall；Therefore, the present invention is easy to termination cambered blade 231 to be walked in core hollow shank 22, and when termination cambered blade
231 reach epitheca side pin hole termination 13, and when being intersected with the madial wall of termination side pin hole 131, can form " chopper " effect
Should, the tissue fragments that will protrude into termination side pin hole 131 disconnected are scaled off（Volume about 2 × 2 × 1.5mm3）, and blind end rostral
Face pin hole 131.
In the present invention, the length=puncture biopsy needle of the point of a knife of the termination cambered blade 231 to the upper end of needle stand buckle 211
The length of the solid needle point 132 in total length-termination of epitheca 1；So that the termination cambered blade 231 for making lower section completely arrives at termination reality
At heart needle point 132, the needle stand buckle 211 of top is accurately connected with needle stand draw-in groove 111, and cutting tissue and closure termination are reached according to this
The purpose of side pin hole 131.
In the present invention, termination side pin hole 131 is corresponding with needle stand draw-in groove 111, termination cambered blade 231 and needle stand
Buckle 211 is corresponding, is easy to indicate orientation, and then judge the relative position of termination cambered blade 231 and termination side pin hole 131
（Whether can carry out it is disconnected cut tissue fragments, or whether closed end side pin hole 131）.
When the present invention is used, inner core trocar knife 2 is navigated within puncture biopsy needle epitheca 1, and termination cambered blade 231 is close to outer
The inwall of the hollow shank of sheath, when the madial wall with the termination side pin hole 131 of epitheca side pin hole termination 13 is intersected, forms
" chopper " effect, will gradually protrude into termination side pin hole 131 tissue fragments it is disconnected scale off, and closed end side pin hole
131；It is fixed togather inner core trocar knife 2 and puncture biopsy needle epitheca 1 finally by by needle stand buckle 211 and needle stand draw-in groove 111
Relative position；The present invention both with liquid between aspirates tissue, and can obtain a small amount of group of entities for meeting pathological diagnosis needs
Knit, on the basis of tradition puncture needle biopsy drawback is avoided, reach " a pin multipurpose ", easy to be quick, wound is small, has
Hope as the ideal diagnostic method of clinical entity enclosed mass class disease.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (7)
1. a seed capsules reality mass puncture biopsy trocar knife, it is characterised in that by puncture biopsy needle epitheca（1）With inner core trocar knife
（2）Two parts are constituted；The puncture biopsy needle epitheca（1）By the epitheca draw-in groove needle stand for linearly connecting successively（11）, in epitheca
Empty needle bar（12）With epitheca side pin hole termination（13）Three parts constitute；The inner core trocar knife（2）By linearly connecting successively
Inner core buckle needle stand（21）, core hollow shank（22）Pin knife termination is cut off with inner core（23）Three parts constitute；The inner core
Hollow shank（22）External diameter be less than the hollow shank of epitheca（12）Internal diameter, and core hollow shank（22）It is close to epitheca hollow needle
Bar（12）Inwall；The epitheca side pin hole termination（13）Including the solid needle point in termination（132）, and positioned at termination solid needle
Point（132）The termination side pin hole of top（131）；The inner core cuts off pin knife termination（23）Including termination cambered blade（231）,
And with termination cambered blade（231）Connected termination central needle hole（232）, the termination cambered blade（231）External diameter it is small
In the hollow shank of epitheca（12）Internal diameter, and termination cambered blade（231）It is close to the hollow shank of epitheca（12）Inwall, formed
" chopper " effect, for termination side pin hole will to be protruded into（131）Tissue block it is disconnected scale off, and closed end side pin hole
（131）.
2. capsule reality mass puncture biopsy trocar knife according to claim 1, it is characterised in that the epitheca draw-in groove needle stand
（11）Pin hole internal diameter and inner core buckle needle stand（21）External diameter phase sleeve type coincide；The epitheca draw-in groove needle stand（11）Upper end
It is provided with needle stand draw-in groove（111）, inner core buckle needle stand（21）Lower end outer wall be provided with needle stand buckle（211）, and needle stand draw-in groove（111）
With needle stand buckle（211）Mutually snap-in correspondence；The needle stand buckle（211）With needle stand draw-in groove（111）Engaging, for fixation wear
Thorn biopsy needle epitheca（1）With inner core trocar knife（2）Relative position；The termination cambered blade（231）Point of a knife to pin base fastener
Button（211）The length of upper end=puncture biopsy needle epitheca（1）The solid needle point in total length-termination（132）Length, make termination arc
Shape blade（231）The solid needle point of contact tip（132）When, needle stand buckle（211）With needle stand draw-in groove（111）Linking；The termination
Side pin hole（131）With needle stand draw-in groove（111）It is corresponding, termination cambered blade（231）With needle stand buckle（211）It is corresponding, and
The needle stand draw-in groove（111）With needle stand buckle（211）On be equipped with corresponding bearing mark；The needle stand draw-in groove（111）Using
Double card slot structure, needle stand buckle（211）Correspondence uses double card buckle structure；The puncture biopsy needle epitheca（1）With inner core trocar knife
（2）It is made of titanium steel material；Or the epitheca draw-in groove needle stand（11）With inner core buckle needle stand（21）Using rigid plastics
It is made, the hollow shank of epitheca（12）With epitheca side pin hole termination（13）, and core hollow shank（22）Pin is cut off with inner core
Knife termination（23）It is made of titanium steel material.
3. capsule reality mass puncture biopsy trocar knife according to claim 2, it is characterised in that the epitheca draw-in groove needle stand
（11）With inner core buckle needle stand（21）Directly can mutually be connected with syringe, and its length is 15mm ± 5mm.
4. capsule reality mass puncture biopsy trocar knife according to claim 2, it is characterised in that the hollow shank of epitheca
（12）Surface is provided with the graduation mark for indicating length, 2.5~3.0mm of its external diameter, internal diameter be 2.0~2.5mm, length be 50~
200mm；The core hollow shank（22）Internal diameter be 1.0~1.5mm, length be 60~210mm.
5. capsule reality mass puncture biopsy trocar knife according to claim 2, it is characterised in that positioned at termination central needle hole
（232）The inner core at place cuts off pin knife termination（23）External diameter and core hollow shank（22）External diameter it is equal；Positioned at termination side
Pin hole（131）The epitheca side pin hole termination at place（13）Internal-and external diameter and the hollow shank of epitheca（12）Internal-and external diameter it is equal.
6. capsule reality mass puncture biopsy trocar knife according to claim 2, it is characterised in that the solid needle point in termination
（132）With termination side pin hole（131）The distance between be 2mm ± 0.5mm；The solid needle point in termination（132）It is sharp needles
Shape structure, its length is 2mm ± 0.5mm；Termination side pin hole（131）Length be 2mm ± 0.5mm, width is epitheca
Hollow shank（12）The 0.25-0.40 of internal diameter；The termination cambered blade（231）Be sharp arcuate structure, its length be 4mm ±
0.5mm, and intermediate position a length of core hollow shank in periphery（22）The 0.5-0.7 of outer perimeter.
7. capsule reality mass puncture biopsy trocar knife according to claim 2, it is characterised in that termination side pin hole
（131）Width be the hollow shank of epitheca（12）The 1/3 of internal diameter；The termination cambered blade（231）The outer perimeter in centre position
It is core hollow shank（22）The 2/3 of outer perimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144689.XA CN104665881B (en) | 2015-03-31 | 2015-03-31 | One seed capsules reality mass puncture biopsy trocar knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144689.XA CN104665881B (en) | 2015-03-31 | 2015-03-31 | One seed capsules reality mass puncture biopsy trocar knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104665881A CN104665881A (en) | 2015-06-03 |
| CN104665881B true CN104665881B (en) | 2017-06-16 |
Family
ID=53301849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510144689.XA Expired - Fee Related CN104665881B (en) | 2015-03-31 | 2015-03-31 | One seed capsules reality mass puncture biopsy trocar knife |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970836A (en) * | 2015-07-30 | 2015-10-14 | 陈晓阳 | Suction inner-cutting type tissue biopsy puncture needle |
| CN109893175A (en) * | 2019-02-28 | 2019-06-18 | 成都真实维度科技有限公司 | A kind of device carrying out aspiration biopsy by laser aiming |
| CN109893174A (en) * | 2019-02-28 | 2019-06-18 | 成都真实维度科技有限公司 | A method of single needle or spininess aspiration biopsy are carried out by laser aiming |
| CN110522479A (en) * | 2019-08-07 | 2019-12-03 | 沈毅 | A kind of second mining formula Pleura biopsy needle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201691956U (en) * | 2010-03-19 | 2011-01-05 | 杜山鹏 | Sleeve type sampling needle for soft tissue neoplasm biopsy |
| CN202036247U (en) * | 2011-02-21 | 2011-11-16 | 李明 | Pleura biopsy needle |
| CN203122472U (en) * | 2013-02-22 | 2013-08-14 | 王玉名 | Tumor tissue biopsy needle |
| CN203354576U (en) * | 2013-07-25 | 2013-12-25 | 中国人民解放军第三军医大学第二附属医院 | Bone tissue puncture biopsy needle assembly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781202A (en) * | 1987-08-31 | 1988-11-01 | Janese Woodrow W | Biopsy cannula |
| CN204520791U (en) * | 2015-03-31 | 2015-08-05 | 尹格平 | One seed capsules solid mass puncture biopsy trocar cutter |
-
2015
- 2015-03-31 CN CN201510144689.XA patent/CN104665881B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201691956U (en) * | 2010-03-19 | 2011-01-05 | 杜山鹏 | Sleeve type sampling needle for soft tissue neoplasm biopsy |
| CN202036247U (en) * | 2011-02-21 | 2011-11-16 | 李明 | Pleura biopsy needle |
| CN203122472U (en) * | 2013-02-22 | 2013-08-14 | 王玉名 | Tumor tissue biopsy needle |
| CN203354576U (en) * | 2013-07-25 | 2013-12-25 | 中国人民解放军第三军医大学第二附属医院 | Bone tissue puncture biopsy needle assembly |
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| Publication number | Publication date |
|---|---|
| CN104665881A (en) | 2015-06-03 |
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