CN103169508B - Pleura biopsy needle - Google Patents
Pleura biopsy needle Download PDFInfo
- Publication number
- CN103169508B CN103169508B CN201310067890.3A CN201310067890A CN103169508B CN 103169508 B CN103169508 B CN 103169508B CN 201310067890 A CN201310067890 A CN 201310067890A CN 103169508 B CN103169508 B CN 103169508B
- Authority
- CN
- China
- Prior art keywords
- closing member
- nook closing
- needle
- wall
- sealing drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001574 biopsy Methods 0.000 title claims abstract description 40
- 210000004224 pleura Anatomy 0.000 title claims description 42
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 210000003281 pleural cavity Anatomy 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 10
- 201000003144 pneumothorax Diseases 0.000 abstract description 9
- 210000000038 chest Anatomy 0.000 abstract 1
- 210000000115 thoracic cavity Anatomy 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 206010048612 Hydrothorax Diseases 0.000 description 4
- 208000012260 Accidental injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000024356 pleural disease Diseases 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a pleural biopsy needle, which comprises a needle sleeve and a needle core, wherein the needle core is arranged in the needle sleeve; the needle sleeve comprises a sealing cylinder and a needle cylinder, the rear end of the needle cylinder is connected with the front end of the sealing cylinder, and a chute is formed at the front end of the needle cylinder; the needle cylinder is sleeved on the outer wall of the needle core and is in sliding fit with the needle core; a first sealing ring is arranged in the sealing cylinder, the outer wall of the first sealing ring is fixedly connected with the inner wall of the sealing cylinder, and the inner wall of the first sealing ring is sleeved on the outer wall of the needle core and is in sliding fit with the needle core; firstly, a needle core and a needle sleeve are punctured into a pleural cavity, and then the needle core is matched with the needle sleeve to finish acquisition of pleural tissues; need not to change the needle at whole in-process to utilize first sealing washer to seal the needle cover, thereby make the thorax not communicate with each other with the external world, and then reduced the incidence of pneumothorax.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of Pleura biopsy needle.
Background technology
Common pleural diseases is often with hydrothorax, and people often adopt thoracentesis to extract hydrothorax out to carry out cytolgical examination, but it is very low to depend merely on the inspection diagnosis rate of hydrothorax.
When the hydrothorax of thoracentesis extraction can not be clarified a diagnosis, need to utilize Pleura biopsy needle to carry out pleura needle puncture biopsy; Therefore Pleura biopsy needle, as common medical apparatus and instruments, is widely used in clinical doctor.
Common Pleura biopsy needle generally comprises a needle guard and two nook closing members at present, and one of them nook closing member is needle point nook closing member, and another is tack nook closing member, is formed with skewed slot on needle guard.First needle point nook closing member is pushed in needle guard in use, and utilize needle point nook closing member that needle guard is thrust to pleural space; Then needle point nook closing member extracted and needle guard is outwards exited to certain distance, thereby guaranteeing that the skewed slot on needle guard hooks pleura and makes pleura naturally clamp-on in skewed slot; And then tack nook closing member is pushed in needle guard, utilize tack nook closing member to match with skewed slot pleura is sheared and taken off, and send into the front end of needle guard, thereby obtain pleura for biopsy.
But existing Pleura biopsy needle, there is this process of needle exchange in it in use.When needle exchange, come round by needle guard and the external world in thoracic cavity, and pneumothorax easily occurs.
Simultaneously its structure is too complicated, is not easy to operation and cost higher.
Summary of the invention
The object of the present invention is to provide a kind of Pleura biopsy needle, it can effectively reduce the incidence rate of pneumothorax.
The invention provides a kind of Pleura biopsy needle, comprise needle guard and nook closing member, described nook closing member is placed in described needle guard;
Described needle guard comprises sealing drum and syringe, and the rear end of described syringe is connected with the front end of described sealing drum, and the front end of described syringe is formed with skewed slot;
Described syringe is socketed on the outer wall of described nook closing member, and is slidably matched with described nook closing member;
In described sealing drum, be provided with the first sealing ring, the outer wall of described the first sealing ring and the inwall of described sealing drum are affixed, and the inner wall sleeve of described the first sealing ring is connected on the outer wall of described nook closing member, and are slidably matched with described nook closing member.
Optionally, the front end of described syringe is tack structure;
The front end of described nook closing member is formed with needle point, and the rear end of described nook closing member is provided with hands handle;
When the rear end of described handle and described sealing drum against time, described needle point is positioned at the front end outside of described syringe.
Optionally, be also provided with spacing bullet piece on described sealing drum, described spacing bullet piece is connected with the inwall of described sealing drum by elasticity reset device;
On described nook closing member, be formed with the limited impression matching with described spacing bullet piece;
When the rear end of described handle and described sealing drum against time, described spacing bullet piece is between described handle and described limited impression, and described spacing bullet piece is resisted against on the outer wall of described nook closing member.
Optionally, described elasticity reset device is shell fragment.
Optionally, described elasticity reset device is spring.
Optionally, described limited impression extension ringwise on the outer wall of described nook closing member.
Optionally, be provided with clamping projection on the outer wall of the rear end of described sealing drum, described handle and described clamping projection connect and fix by fixed card.
Optionally, described clamping projection extension ringwise on the outer wall of described sealing drum.
Optionally, in described sealing drum, be provided with the second sealing ring, and described the second sealing ring is positioned at the rear end of described sealing drum;
The outer wall of described the second sealing ring and the inwall of described sealing drum are affixed, and the inner wall sleeve of described the second sealing ring is connected on the outer wall of described nook closing member, and are slidably matched with described nook closing member.
Optionally, on the outer wall of described needle guard, be formed with scale coating.
Compared with prior art, Pleura biopsy needle provided by the invention, it first thrusts nook closing member and needle guard after pleural space, then utilizes nook closing member and needle guard to match, and completes obtaining of pleura; In whole process, without needle exchange, and utilize the first sealing ring to seal needle guard, thereby thoracic cavity is not communicated with the external world, and then reduced the incidence rate of pneumothorax.
Meanwhile, due in whole operating process without needle exchange, the comparatively simple convenient operation of its overall structure, and reduced production cost.
In further technical scheme, the front end of syringe is tack structure, and the front end of nook closing member is formed with needle point simultaneously; It utilizes nook closing member to thrust pleural space, and thrusts after pleural space at nook closing member, and nook closing member is retracted in needle guard, and only let the acupuncture needle remain at a certain point is enclosed within pleural space, thereby has effectively prevented that the front end of needle guard causes accidental injury to pleura in biopsy procedure.
In further technical scheme, it utilizes spacing bullet piece and limited impression to match, and the displacement to nook closing member in needle guard limits; In the time of can effectively preventing that nook closing member is retracted into needle guard, nook closing member surprisingly exits needle guard, further reduces the incidence rate of pneumothorax; In the time of also can effectively preventing that nook closing member from entering again, nook closing member surprisingly passes needle guard simultaneously, thereby avoids the thoracic tissues obtaining to release needle guard, avoids the failure of biopsy.
In further technical scheme, limited impression extends ringwise on the outer wall of nook closing member, and be convenient to rotate nook closing member, thereby can effectively regulate the position of needle point on nook closing member, thus the success rate of assurance biopsy.
In further technical scheme, utilize fixed card handle and clamping projection can be connected and fixed, thereby while preventing that nook closing member from thrusting thoracic cavity film, nook closing member is retracted into needle guard, thereby guarantees the success rate that punctures.
In further technical scheme, in sealing drum, be also provided with the second sealing ring, guarantee that nook closing member, in the stationarity of needle guard intrinsic displacement, further improves the sealing of needle guard, thereby assurance thoracic cavity does not communicate simultaneously with the external world, and then reduced the incidence rate of pneumothorax.
Utilize the second sealing ring and the first sealing ring to match simultaneously, can effectively guarantee that nook closing member steadily moves in needle guard, improve the success rate of biopsy.
In further technical scheme, on the outer wall of needle guard, be formed with scale coating, can directly observe the displacement of nook closing member, thereby avoid nook closing member in needle guard, to pass when exiting in needle guard or nook closing member enters again, and then effectively improve the success rate of biopsy.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to the accompanying drawing of required use in the specific embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the Pleura biopsy needle that Fig. 1 provides for the embodiment of the present invention;
The working state schematic representation of the Pleura biopsy needle that Fig. 2 and Fig. 3 provide for the embodiment of the present invention;
The front view of nook closing member in the Pleura biopsy needle that Fig. 4 provides for the embodiment of the present invention;
The side view of nook closing member in the Pleura biopsy needle that Fig. 5 provides for the embodiment of the present invention;
The front view of needle guard in the Pleura biopsy needle that Fig. 6 provides for the embodiment of the present invention.
Accompanying drawing explanation:
1-needle guard, 11-sealing drum, 12-syringe, 121-skewed slot;
2-nook closing member, 21-needle point, 22-hands handle;
3-the first sealing ring;
The spacing bullet piece of 4-, 41-elasticity reset device;
5-limited impression; 6-clamping projection; 7-fixed card; 8-the second sealing ring.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer; to technical scheme of the present invention be carried out to clear, complete description below; the specific embodiment based in the present invention; those of ordinary skills are resulting all other embodiments under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
First, before the narration specific embodiment, in embodiment provided by the invention, regulation is along the puncture direction of Pleura biopsy needle, and one end of close user is rear end, near the one end of puncturing, is front end.
As shown in Figures 1 to 6, the Pleura biopsy needle providing in the embodiment of the present invention, comprises needle guard 1 and nook closing member 2, and nook closing member 2 is placed in needle guard 1; Needle guard 1 comprises sealing drum 11 and syringe 12, and the rear end of syringe 12 is connected with the front end of sealing drum 11, and the front end of syringe 12 is formed with skewed slot 121; Syringe 12 is socketed on the outer wall of nook closing member 2, and is slidably matched with nook closing member 2; In sealing drum 11, be provided with first outer wall of sealing ring 3, the first sealing rings 3 and the inwall of sealing drum 11 affixed, the inner wall sleeve of the first sealing ring 3 is connected on the outer wall of nook closing member 2, and is slidably matched with nook closing member 2.
During use:
The first step, first utilizes nook closing member 2 and needle guard 1 to thrust pleural space, then exits to the back-end nook closing member 2, makes the front end of nook closing member 2 retreat to the rear end of the skewed slot 121 on syringe 12 simultaneously; Now need to guarantee that nook closing member 2 does not skid off in syringe 12, nook closing member 2 must not exit to the rear end of the first sealing ring 3, can be with reference to the position of the nook closing member 2 shown in figure 2.
Second step, exits needle guard 1 backward, and utilizes skewed slot 121 to hook a certain amount of pleura, makes pleura naturally enter in the formed breach of skewed slot 121.
The 3rd step, pushes nook closing member 2 forward end, enter again, then utilizes the front end of nook closing member 2 to match with the inwall of syringe 12, the pleura entering in skewed slot 121 is sheared, and the pleura of shearing is pushed in the front end of syringe 12; Now need the front end that guarantees nook closing member 2 still to rest in syringe 12, nook closing member 2 must not be pushed into the front end outside of syringe 12, can be with reference to the position of the nook closing member 2 shown in figure 3.
The 4th step is extracted needle guard 1 and nook closing member 2 in the film of thoracic cavity, thereby finally obtains pleura for biopsy.
It first thrusts nook closing member 2 and needle guard 1 after pleural space, then utilizes nook closing member 2 and needle guard 1 to match, and completes obtaining of pleura; In whole process, without needle exchange, and utilize 3 pairs of needle guards 1 of the first sealing ring to seal, thereby thoracic cavity is not communicated with the external world, and then reduced the incidence rate of pneumothorax.
Meanwhile, due in whole operating process without needle exchange, the comparatively simple convenient operation of its overall structure, and reduced production cost.
In the present embodiment, because needle guard 1 need to thrust pleural space and move in pleural space, if the front end of needle guard 1 is prong structure, be easy to, when needle guard 1 moves in pleural space, the tissue in pleural space is caused to accidental injury.
For this reason, as shown in Figure 1, front end that can syringe 12 is set to tack structure; And being formed with needle point 21 at the front end of nook closing member 2, the rear end of nook closing member 2 is provided with handle 22; And when the rear end of handle 22 and sealing drum 11 against time, needle point 21 is positioned at the front end outside of syringe 12.
Adopt this design, can utilize needle point 21 that the front end of nook closing member 2 forms for puncture, and needle guard 1 is together thrust to pleural space, after completing puncture, nook closing member 2 is retreated to needle guard 1, in pleural space, only leave the needle guard 1 of tack structure, thereby effectively prevented that the front end of needle guard 1 in biopsy procedure from causing accidental injury to pleura.
In the present embodiment, in the process in biopsy sampling, nook closing member 2 need guarantee that when retreating nook closing member 2 does not skid off in syringe 12, and nook closing member 2 must not exit to the rear end of the first sealing ring 3; Nook closing member 2 forward end need guarantee that the front end of nook closing member 2 still rests in syringe 12 when pushing, entering again, and nook closing member 2 must not be pushed into the front end outside of syringe 12; Therefore the displacement of nook closing member 2 in needle guard 1 will accurately be controlled, thereby can guarantee the success rate of biopsy.
For this reason, also can be provided with spacing bullet piece on sealing drum 11, spacing bullet piece is connected with the inwall of sealing drum 11 by elasticity reset device 41; On nook closing member 2, be formed with the limited impression 5 matching with spacing bullet piece 4; And when the rear end of handle 22 and sealing drum 11 against time, spacing bullet piece is between handle 22 and limited impression 5, and spacing bullet piece is resisted against on the outer wall of nook closing member 2.
Its specific works process is:
As shown in Figure 1, when original position, the rear end of handle 22 and sealing drum 11 against time, spacing bullet piece 4 is between handle 22 and limited impression 5, and spacing bullet piece 4 is resisted against on the outer wall of nook closing member 2; Now, guarantee that the front end needle point 21 of nook closing member 2 can stretch out from the front end of needle guard 1, for puncture.
As shown in Figure 2, when needle guard 1 enters after pleural space, nook closing member 2 exits backward, and limited impression 5 moves to spacing bullet piece 4 places backward, and now spacing bullet piece 4 ejects and is inserted in limited impression 5 under the reset response of elasticity reset device 41.
Then nook closing member 2 continues to exit backward, until spacing bullet piece 4 is resisted against the front end of limited impression 5, now, the needle point 21 on nook closing member 2 is positioned at the rear end of skewed slot 121 just.
As shown in Figure 3, after nook closing member 2 enters again, limited impression 5 moves forward, until spacing bullet piece 4 is resisted against the rear end of limited impression 5, now, the needle point 21 on nook closing member 2 is positioned at the front end of skewed slot 121 and needle point 21 just still in syringe 12, after being about to pleura and shearing and be fed through in syringe 12.
It utilizes spacing bullet piece 4 and limited impression 5 to match, and the displacement to nook closing member 2 in needle guard 1 limits; In the time of can effectively preventing that nook closing member 2 is retracted into needle guard 1, nook closing member 2 is unexpected exits needle guard 1, further reduces the incidence rate of pneumothorax; In the time of also can effectively preventing that nook closing member 2 from entering again, nook closing member 2 is unexpected passes needle guard 1, thereby avoids the thoracic tissues obtaining to release needle guard 1, avoids the failure of biopsy simultaneously.
It is simple in structure, and convenient operation has reduced operator's use difficulty effectively.
Wherein, further preferred, elasticity reset device 41 can adopt shell fragment; In like manner, elasticity reset device 41 also can adopt spring.
In the present embodiment, for the ease of puncture, (for example make needle point 21 just in time over against the position of skewed slot 121, then puncture) need to be adjusted in the position of needle point 21 punctures on nook closing member 2; For this reason, arcuate structure can be made in the bottom of limited impression 5, as shown in phantom in Figure 5, because the bottom of limited impression 5 is curved, spacing bullet piece 4 just can turn an angle accordingly limited impression 5 is interior, thereby guarantees that needle point 21 is in best puncture position.
Further preferred, also can make limited impression 5 extend ringwise on the outer wall of nook closing member 2.So, just can make nook closing member 2 interior along 360 ° of rotations at needle guard 1, more be convenient to adjust the position of needle point 21.
In the present embodiment, in use, when original position, need to by the rear end of handle 22 and sealing drum 11 against, thereby make the needle point 21 on nook closing member 2 pass the front end outside to needle guard 1, and then guarantee puncture.
For the ease of operation, can on the outer wall of the rear end of sealing drum 11, be provided with clamping projection 6, handle 22 connects and fixes by fixed card 7 with clamping projection 6.Specifically as shown in Figure 1, when, first handle 22 and clamping projection 6 being abutted together during in original position at Pleura biopsy needle, then by fixed card 7, the two is connected together, after completing puncture, by after fixed card 7 dismountings, nook closing member 2 just can be interior freely movable at needle guard 1, as shown in Figures 2 and 3.
Further preferred, for the ease of the clamping of fixed card 7, can make clamping projection 6 extend ringwise on the outer wall of sealing drum 11.Thereby be convenient to fixed card 7 by clamping projection 6 and handle 22 phase clampings.
In the present embodiment, because nook closing member 2 is interior when mobile at needle guard 1, need to guarantee the smoothness that nook closing member 2 moves, thereby guarantee that nook closing member 2 matches pleura is sheared with needle guard 1.
For this reason, can in sealing drum 11, be provided with the second sealing ring 8, and the second sealing ring 8 is positioned at the rear end of sealing drum 11; The inwall of the outer wall of the second sealing ring 8 and sealing drum 11 is affixed, and the inner wall sleeve of the second sealing ring 8 is connected on the outer wall of nook closing member 2, and is slidably matched with nook closing member 2.
When nook closing member 2 moves, utilize the first sealing ring 3 and the second sealing ring 8 to match nook closing member 2 is fixed, assurance nook closing member 2 is steady needle guard 1 intrinsic displacement, further improves the sealing of needle guard 1 simultaneously, thereby guarantee that thoracic cavity does not communicate with the external world, and then reduced the incidence rate of pneumothorax.
In the present embodiment, also can on the outer wall of needle guard 1, be formed with scale coating, thereby convenient operation personnel observe the move forward and backward amount of nook closing member 2 in needle guard 1 more intuitively, thereby when keeping nook closing member 2 and retreating, the front end of nook closing member 2 retreats to the rear end of skewed slot 121 just, when nook closing member 2 enters again, the front end of nook closing member 2 just proceeds to again the front end of skewed slot 121 and is placed in needle guard 1, and then effectively improves the success rate of biopsy.
Finally it should be noted that: above embodiment and embodiment only, in order to technical scheme of the present invention to be described, are not intended to limit; Although the present invention is had been described in detail with reference to aforementioned embodiments and embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned embodiments or embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence disengaging embodiment of the present invention of appropriate technical solution or the spirit and scope of embodiment technical scheme.
Claims (8)
1. a Pleura biopsy needle, is characterized in that, comprises needle guard and nook closing member, and described nook closing member is placed in described needle guard;
Described needle guard comprises sealing drum and syringe, and the rear end of described syringe is connected with the front end of described sealing drum, and the front end of described syringe is formed with skewed slot;
Described syringe is socketed on the outer wall of described nook closing member, and is slidably matched with described nook closing member;
In described sealing drum, be provided with the first sealing ring, the outer wall of described the first sealing ring and the inwall of described sealing drum are affixed, and the inner wall sleeve of described the first sealing ring is connected on the outer wall of described nook closing member, and are slidably matched with described nook closing member;
The front end of described syringe is tack structure;
The front end of described nook closing member is formed with needle point, and the rear end of described nook closing member is provided with hands handle;
When the rear end of described handle and described sealing drum against time, described needle point is positioned at the front end outside of described syringe;
On described sealing drum, be also provided with spacing bullet piece, described spacing bullet piece is connected with the inwall of described sealing drum by elasticity reset device;
On described nook closing member, be formed with the limited impression matching with described spacing bullet piece;
When the rear end of described handle and described sealing drum against time, described spacing bullet piece is between described handle and described limited impression, and described spacing bullet piece is resisted against on the outer wall of described nook closing member.
2. Pleura biopsy needle according to claim 1, is characterized in that, described elasticity reset device is shell fragment.
3. Pleura biopsy needle according to claim 1, is characterized in that, described elasticity reset device is spring.
4. according to the Pleura biopsy needle described in claims 1 to 3 any one, it is characterized in that, described limited impression extends ringwise on the outer wall of described nook closing member.
5. according to the Pleura biopsy needle described in claims 1 to 3 any one, it is characterized in that, be provided with clamping projection on the outer wall of the rear end of described sealing drum, described handle and described clamping projection connect and fix by fixed card.
6. Pleura biopsy needle according to claim 5, is characterized in that, described clamping projection is extended ringwise on the outer wall of described sealing drum.
7. according to the Pleura biopsy needle described in claims 1 to 3 any one, it is characterized in that, in described sealing drum, be provided with the second sealing ring, and described the second sealing ring is positioned at the rear end of described sealing drum;
The outer wall of described the second sealing ring and the inwall of described sealing drum are affixed, and the inner wall sleeve of described the second sealing ring is connected on the outer wall of described nook closing member, and are slidably matched with described nook closing member.
8. according to the Pleura biopsy needle described in claims 1 to 3 any one, it is characterized in that, on the outer wall of described needle guard, be formed with scale coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067890.3A CN103169508B (en) | 2013-03-04 | 2013-03-04 | Pleura biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067890.3A CN103169508B (en) | 2013-03-04 | 2013-03-04 | Pleura biopsy needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103169508A CN103169508A (en) | 2013-06-26 |
| CN103169508B true CN103169508B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310067890.3A Expired - Fee Related CN103169508B (en) | 2013-03-04 | 2013-03-04 | Pleura biopsy needle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103169508B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260228A (en) * | 2017-06-01 | 2017-10-20 | 施康培医疗科技（武汉）有限公司 | A kind of biopsy needle device of band damping protection |
| CN110522479A (en) * | 2019-08-07 | 2019-12-03 | 沈毅 | A kind of second mining formula Pleura biopsy needle |
| CN114668428B (en) * | 2022-03-31 | 2023-05-09 | 四川大学华西医院 | Bone marrow puncture device |
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|---|---|---|---|---|
| CN2115078U (en) * | 1992-03-10 | 1992-09-09 | 燕相山 | Biopsy apparatus for pleura and peritonaeum |
| CN2466626Y (en) * | 2001-01-12 | 2001-12-19 | 杜永义 | Biopsy gun for vacuum circular cutting |
| CN1456127A (en) * | 2003-04-14 | 2003-11-19 | 杜永义 | Vacuum quickly cutting biopsy device |
| CN200942112Y (en) * | 2006-09-04 | 2007-09-05 | 王璇 | Marrow puncture needle |
| CN200977192Y (en) * | 2006-08-31 | 2007-11-21 | 中国人民解放军第二军医大学 | Micro dialysis probe percutaneous implantation positioning puncture guiding needle |
| CN201223430Y (en) * | 2008-06-10 | 2009-04-22 | 赵建军 | Multifunctional puncture needle |
| CN201968798U (en) * | 2011-02-22 | 2011-09-14 | 王敏 | Puncturing trocar for internal medicine |
| CN202036247U (en) * | 2011-02-21 | 2011-11-16 | 李明 | Pleura biopsy needle |
| CN202277349U (en) * | 2011-10-13 | 2012-06-20 | 金龙 | Dual-channel biopsy needle for percutaneous pleura needle biopsy |
| CN203089217U (en) * | 2013-03-04 | 2013-07-31 | 四川大学华西医院 | Pleura biopsy needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040260200A1 (en) * | 2003-04-09 | 2004-12-23 | Board Of Regents, The University Of Texas System | Medical devices and related methods |
-
2013
- 2013-03-04 CN CN201310067890.3A patent/CN103169508B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115078U (en) * | 1992-03-10 | 1992-09-09 | 燕相山 | Biopsy apparatus for pleura and peritonaeum |
| CN2466626Y (en) * | 2001-01-12 | 2001-12-19 | 杜永义 | Biopsy gun for vacuum circular cutting |
| CN1456127A (en) * | 2003-04-14 | 2003-11-19 | 杜永义 | Vacuum quickly cutting biopsy device |
| CN200977192Y (en) * | 2006-08-31 | 2007-11-21 | 中国人民解放军第二军医大学 | Micro dialysis probe percutaneous implantation positioning puncture guiding needle |
| CN200942112Y (en) * | 2006-09-04 | 2007-09-05 | 王璇 | Marrow puncture needle |
| CN201223430Y (en) * | 2008-06-10 | 2009-04-22 | 赵建军 | Multifunctional puncture needle |
| CN202036247U (en) * | 2011-02-21 | 2011-11-16 | 李明 | Pleura biopsy needle |
| CN201968798U (en) * | 2011-02-22 | 2011-09-14 | 王敏 | Puncturing trocar for internal medicine |
| CN202277349U (en) * | 2011-10-13 | 2012-06-20 | 金龙 | Dual-channel biopsy needle for percutaneous pleura needle biopsy |
| CN203089217U (en) * | 2013-03-04 | 2013-07-31 | 四川大学华西医院 | Pleura biopsy needle |
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| Publication number | Publication date |
|---|---|
| CN103169508A (en) | 2013-06-26 |
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