CN101716087B - Disposable continuous negative-pressure puncture outfit - Google Patents
Disposable continuous negative-pressure puncture outfit Download PDFInfo
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- CN101716087B CN101716087B CN2009103125084A CN200910312508A CN101716087B CN 101716087 B CN101716087 B CN 101716087B CN 2009103125084 A CN2009103125084 A CN 2009103125084A CN 200910312508 A CN200910312508 A CN 200910312508A CN 101716087 B CN101716087 B CN 101716087B
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- pintle
- needle
- puncture
- needle tubing
- hole
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- 238000003032 molecular docking Methods 0.000 claims description 11
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000012141 concentrate Substances 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 208000002193 Pain Diseases 0.000 abstract 1
- 230000000120 cytopathologic effect Effects 0.000 abstract 1
- 230000036407 pain Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention discloses a dispensable continuous negative-pressure puncture outfit, which comprises a needle tube and a puncture needle, wherein a pintle is arranged in the needle tube; a stopping device is arranged between the puncture needle and the needle tube; at least one chute is arranged on the pintle axially; chute lateral plates are arranged on two sides of the chute; at least the chute plate on one side is provided with a locking groove; a locking clip is arranged on the end, in which the pintle is inserted, of the needle tube and can move up and down in the chute; and when the pintle is rotated, the locking clip is clipped in the locking groove to clip the pintle to prevent the pintle from moving down. Compared with the prior art, the puncture outfit has the advantages that: the structure is simple, the operation is convenient and ample sample can be accurately positioned and acquired, so the accuracy of fine needle aspiration cytopathologic diagnosis is improved greatly; the puncture time is reduce, pains suffered by patients are reduced, and an operator can concentrate to ensure puncture accuracy; and the drawback that the negative pressure is maintained by the traction force of the hand of the operator of the traditional puncture outfit is radically overcome, the operation is more flexible and quicker than the traditional puncture method, and a good needle feel is offered.
Description
Technical field
The invention belongs to medical apparatus and instruments, be particularly related to Dispensable continuous negative-pressure puncture outfit, this negative-pressure puncture outfit can keep continuous negative pressure, fundamentally overcome traditional perforator and kept the disadvantage of negative pressure by the pull strength of operator's hands, shortened the puncture time, alleviated patient's misery, helped the operator and concentrate one's energy to guarantee puncture accuracy, improved fine needle and drawn cytopathology accuracy rate of diagnosis level.
Technical background
At present, most of at home hospital pathology departments all take free-hand traction syringe perforator method to finish pin suction collection of specimens; Because the defective of puncture instrument, be unfavorable for that the doctor accurately obtains the specimen of capacity from lesion, it is lower to make fine needle draw the cytopathology accuracy rate, for a long time this inspection technology at home hospital's utilization level far fall behind the foreign medical science level of development; External extensively adopt at present " puncture handle " finished the collection of pin suction specimen sampling, and this perforator also exists relatively poor than heaviness and feel, and price is very expensive, is never adopted by domestic hospital.
Summary of the invention
The objective of the invention is to propose a kind of Dispensable continuous negative-pressure puncture outfit technical scheme, this negative-pressure puncture outfit has fundamentally overcome traditional perforator is kept negative pressure by the pull strength of operator's hands disadvantage, operate more traditional piercing method more nimbly and freely, fast, has good pin sense, shorten the puncture time, alleviated patient's misery.
To achieve these goals, the solution of the present invention is, Dispensable continuous negative-pressure puncture outfit, include a needle tubing, pintle and piston are arranged in the needle tubing, pintle one end links together with piston in needle tubing, the other end is outside needle tubing, seesaw in needle tubing by promoting pintle drive piston before and after the staff, a puncture needle is arranged on the front end of needle tubing, is provided with one and ends exchange device between puncture needle and needle tubing;
The described exchange device that ends is: a connection tube, connection tube has a through hole, one end of through hole is the needle tubing docking port, the other end of through hole is the puncture needle docking port, is provided with control hole at the middle part of connection tube, and control hole is perpendicular to the through hole setting, the control hole aperture is greater than through-hole diameter, described control hole connects with side of connection tube at least, is provided with cylinder in control hole, and described cylinder is provided with connecting hole; Stir cylinder, when connecting hole and puncture needle and needle tubing central axes, puncture needle is communicated with needle tubing, otherwise ends;
Described pintle is provided with a chute vertically at least, and the both sides of chute are the chute side plate, is provided with lock groove at least on a sideslip frid;
Described needle tubing inserts the pintle end at it and is provided with the locking folder, and the locking folder can slide up and down in the pintle chute, rotates pintle, and the locking mounting board is gone into lock groove pintle is blocked and can not move down.
Described connection tube puncture needle docking port place is provided with the puncture needle locking nut.
Described control hole is perpendicular to through hole, and runs through connection tube; One end of described cylinder extends the connection tube sidewall, and the cylinder of connection tube sidewall is extended in compressing, and laterally the cylinder that moves is communicated with needle tubing and ends by connecting hole control puncture needle.
Described control hole is a circular port, and control hole is perpendicular to through hole, and runs through connection tube; Described cylinder is full of control hole, and an end of cylinder extends the connection tube sidewall, and the end that extends of described cylinder is provided with handle, rotary handle, and cylinder rotates in control hole, controls puncture needle by the connecting hole of cylinder and is communicated with needle tubing and ends.
Described pintle is the decussation body of two boards, and the groove that intersects to form is a chute, and the decussation plate of chute one side is provided with a plurality of lock grooves.
Described pintle is the decussation body of two boards, and the groove that intersects to form is a chute, and the decussation plate of chute both sides is provided with the lock groove of a plurality of intervening portions.
Described lock groove is a triangle opening, and a limit of triangle opening is perpendicular to the pintle axis, another limit with towards the pintle axis angle of puncture needle direction less than 90 degree.
Described locking folder is divided into stiff end and ends the lock end, and described needle tubing inserts the pintle end at it and is provided with fixed platform, and described locking clamping fixed end and fixed platform fixedly are integrated.
Described locking folder is divided into stiff end and ends the lock end, the stationary plane of locking clamping fixed end is provided with protruding plug, described needle tubing inserts the pintle end at it and is provided with fixed platform, and fixed platform is provided with jack, and the locking folder is fixed by the jack that protruding plug inserts on the fixed platform.
Described locking folder is gone up planar stiff end and only is provided with a V-type groove between the lock end, and the V-arrangement angle is 90 degree.
The present invention to the contribution of prior art is:
1. simple in structure, easy to operate, can accurately locate and obtain the capacity sample, draw cytopathology accuracy rate of diagnosis level thereby improve fine needle greatly;
2. cost has only 1/20th of external similar apparatus;
3. shortened the puncture time, alleviated patient's misery, helped the operator and concentrate one's energy to guarantee puncture accuracy;
4. fundamentally overcome traditional perforator and kept the disadvantage of negative pressure, operated more traditional piercing method more nimbly and freely, fast, had good pin sense by the pull strength of operator's hands.
Below in conjunction with embodiment and accompanying drawing the present invention is done a detailed description.
Description of drawings
Fig. 1 is a Dispensable continuous negative-pressure puncture outfit decomposing schematic representation of the present invention;
Fig. 2 ends the exchange device sketch map for the present invention is plug-type;
Fig. 3 ends the exchange device sketch map for the present invention is rotary;
Fig. 4 is provided with the pintle structural representation of a plurality of lock grooves for side plate of the present invention;
Fig. 5 is the C-C cutaway view of Fig. 4 of the present invention;
Fig. 6 is provided with the pintle structural representation of a plurality of staggered lock grooves for dual-sided board of the present invention;
Fig. 7 is the lock banking stop structural representation of band V-shaped groove of the present invention;
Fig. 8 is the vertical view of Fig. 7 lock banking stop of the present invention.
The specific embodiment
Embodiment 1:
Dispensable continuous negative-pressure puncture outfit embodiment, referring to Fig. 1, described continuous negative pressure perforator includes a needle tubing 1, pintle 2 and piston 3 are arranged in the needle tubing, pintle one end 2-1 links together with piston in needle tubing, and other end 2-2 seesaws in needle tubing by promoting pintle drive piston before and after the staff outside needle tubing, a puncture needle 4 is arranged on the front end of needle tubing, is provided with one and ends exchange device between puncture needle and needle tubing;
The described exchange device that ends is: a connection tube 5, connection tube has a through hole 5-1, one end of through hole is needle tubing docking port 5-2, and the other end of through hole is puncture needle docking port 5-3, is provided with control hole 5-4 at the middle part of connection tube, control hole is perpendicular to the through hole setting, be the control hole central axis perpendicular to the through hole central axis, the control hole aperture is greater than through-hole diameter, described control hole connects with a side of connection tube at least, be provided with cylinder 6 in control hole, described cylinder is provided with connecting hole 6-1; Stir cylinder, when connecting hole central axis and puncture needle and needle tubing central axes, puncture needle is communicated with needle tubing, otherwise ends;
Described pintle is provided with a chute 2-3 vertically at least, and the both sides of chute are chute side plate 2-4, are provided with lock groove 2-5 at least on a sideslip frid;
Described needle tubing inserts pintle end 1-1 at it and is provided with locking folder 7, and the locking folder can slide up and down in the pintle chute, rotates pintle, and the locking mounting board is gone into lock groove pintle is blocked and can not move down.
Embodiment 2:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 1 and embodiment 1, usually puncture needle all is a kind of butt joint of bell with docking of needle tubing, for being connected firmly of puncture needle and connection tube, sealing is absolute reliable, docking port place at described connection tube and puncture needle is provided with puncture needle locking nut 8, and swivel nut can pin puncture needle firmly and guarantee that sealing is absolute reliable.
Embodiment 3:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 2 and embodiment 1, control hole can run through connection tube also can be regardless of wearing connection tube, the described control hole of present embodiment runs through connection tube perpendicular to through hole, one end 5-2 of cylinder extends the connection tube sidewall, the cylinder of connection tube sidewall is extended in compressing, shown in A among Fig. 2, laterally the cylinder that moves is communicated with needle tubing and ends by connecting hole control puncture needle, and the shape of the form fit control hole of cylinder, not being confined to cylinder, can be rectangle or elliptical shape.
Embodiment 4:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 3 and embodiment 1, control hole can have various ways, and the described control hole of present embodiment is a circular port, and control hole runs through connection tube perpendicular to through hole, described cylinder is full of control hole, one end of cylinder extends the connection tube sidewall, and the end that extends of described cylinder is provided with handle 6-3, rotary handle shown in B among Fig. 3, cylinder rotates in control hole, controls puncture needle by the connecting hole of cylinder and is communicated with needle tubing and ends.
Embodiment 5:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 4, Fig. 5 and embodiment 1, described pintle has many kinds to load onto the decussation body that the described pintle of shape present embodiment is a two boards shape, the groove 2-3 that intersects to form is a chute, and the decussation plate 2-4 of chute one side is provided with a plurality of lock groove 2-5.
Embodiment 6:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 6 and embodiment 5, for the decussation body that the described pintle of scale present embodiment is a two boards can more be set, the groove that intersects to form is a chute, and the decussation plate of chute both sides is provided with the lock groove of a plurality of intervening portions.
Embodiment 7:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 4 and embodiment 1, lock groove can have multiple shape, the described lock groove of present embodiment is a triangle opening, a limit 2-5-1 of triangle opening is perpendicular to the pintle axis, another limit 2-5-2 with towards the pintle axis angle a of puncture needle direction less than 90 degree, be generally 60 degree and obtain 45 degree.
Embodiment 8:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to embodiment 1, the described locking clamping of present embodiment fixes on needle tubing and inserts top, pintle end outer end at it.
Embodiment 9:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to embodiment 1, the described locking folder of present embodiment adopts the method for mold injection to be fixed on needle tubing in it inserts the needle tubing of pintle end.
Embodiment 10:
The Dispensable continuous negative-pressure puncture outfit preferred embodiment, referring to Fig. 7, Fig. 8 and embodiment 1, in order to realize a kind of effect of ratchet, the described locking folder of present embodiment is polypropylene foil, is divided into stiff end 7-1 and ends lock end 7-2, and stiff end is fixed on top, needle tubing outer end, plane stiff end and end between the lock end and be provided with a V-type groove 7-3 on locking folder, the thickness of present embodiment locking folder is 1.1 millimeters, and dark 0.6 millimeter of V-type groove, the V-arrangement angle b of V-type groove are 90 degree; The fixed form of locking folder and fixed platform can fixedly be integrated locking clamping fixed end and fixed platform with mold injection; Perhaps on existing disposable needle tubing, fixing for convenience, stationary plane in locking clamping fixed end is provided with protruding plug 7-4, described needle tubing inserts the pintle end at it and is provided with fixed platform 1-2, fixed platform is provided with jack 1-3, the jack that the protruding plug of locking folder inserts on the fixed platform is bonding, just locking can be clipped the solid top, needle tubing outer end that is fixed on; In the actual operation, behind the ending the lock end and snap in the lock groove of pintle of locking folder,, thereby made things convenient for medical worker's use because the effect pintle of V-type groove can only can not push inward to being pulled outwardly by folk prescription.
The operation of the foregoing description reality is: at first pintle being pressed onto the end discharges the air in the needle tubing, pin is inserted the puncture needle docking port rotational lock nut that ends logical part device to be pinned puncture needle firmly, rotating rotary handle ends connecting hole and puncture needle and needle tubing cylinder, outwards pull out pintle to needed scale, rotate the lock groove that the lock end snaps in pintle that ends that pintle makes the locking folder then, what the interior negative pressure quilt of needle tubing this moment continued maintains, the medical worker can concentrate one's energy to note how taking a sample, and needn't go to pay close attention to the variation of puncture needle negative pressure.
The Dispensable continuous negative-pressure puncture outfit of the foregoing description, original creation has increased the locking folder of sustainable negative pressure and has ended devices such as leading to part on general disposable needle set, and structure is very simple, practical.Fundamentally overcome traditional perforator and kept the disadvantage of negative pressure, operate more traditional piercing method more nimbly and freely, fast and obtain good pin sense, shortened the puncture time, alleviated patient's misery by the pull strength of operator's hands.More help the operator and concentrate one's energy to guarantee puncture accuracy,, in time the specimen that cuts down is sucked in nook closing member, needle handle and the needle tubing by carrying contact pin.The piercing method more traditional owing to the specimen amount that obtains is more, easily makes cell lump, and morphosis is drawn cytopathology accuracy rate of diagnosis level more near the histology thereby improve fine needle greatly.
Claims (9)
1. Dispensable continuous negative-pressure puncture outfit, include a needle tubing, pintle and piston are arranged in the needle tubing, pintle one end links together with piston in needle tubing, the other end seesaws in needle tubing by promoting pintle drive piston before and after the staff outside needle tubing, and a puncture needle is arranged on the front end of needle tubing, it is characterized in that, between puncture needle and needle tubing, be provided with one and end exchange device;
The described exchange device that ends is: a connection tube, connection tube has a through hole, one end of through hole is the needle tubing docking port, the other end of through hole is the puncture needle docking port, is provided with control hole at the middle part of connection tube, and control hole is perpendicular to the through hole setting, the control hole aperture is greater than through-hole diameter, described control hole connects with side of connection tube at least, is provided with cylinder in control hole, and described cylinder is provided with connecting hole; Stir cylinder, when connecting hole central axis and puncture needle and needle tubing central axes, puncture needle is communicated with needle tubing, otherwise ends;
Described pintle is provided with a chute vertically at least, and the both sides of chute are the chute side plate, is provided with lock groove at least on a sideslip frid;
Described needle tubing inserts the pintle end at it and is provided with the locking folder, and the locking folder can slide up and down in the pintle chute, rotates pintle, and the locking mounting board is gone into lock groove pintle is blocked and can not move down;
Described locking folder is divided into stiff end and ends the lock end, and described needle tubing inserts the pintle end at it and is provided with fixed platform, and described locking clamping fixed end and fixed platform fixedly are integrated;
Described locking folder is gone up planar stiff end and only is provided with a V-type groove between the lock end.
2. Dispensable continuous negative-pressure puncture outfit according to claim 1 is characterized in that, described connection tube and puncture needle docking port place are provided with the puncture needle locking nut.
3. Dispensable continuous negative-pressure puncture outfit according to claim 1 is characterized in that, described control hole is perpendicular to through hole, and runs through connection tube; One end of described cylinder extends the connection tube sidewall, and the cylinder of connection tube sidewall is extended in compressing, and laterally the cylinder that moves is communicated with needle tubing and ends by connecting hole control puncture needle.
4. Dispensable continuous negative-pressure puncture outfit according to claim 1 is characterized in that, described control hole is a circular port, and control hole is perpendicular to through hole, and runs through connection tube; Described cylinder is full of control hole, and an end of cylinder extends the connection tube sidewall, and the end that extends of described cylinder is provided with handle, rotary handle, and cylinder rotates in control hole, controls puncture needle by the connecting hole of cylinder and is communicated with needle tubing and ends.
5. Dispensable continuous negative-pressure puncture outfit according to claim 1 is characterized in that, described pintle is the decussation body of two boards, and the groove that intersects to form is a chute, and the decussation plate of chute one side is provided with a plurality of lock grooves.
6. Dispensable continuous negative-pressure puncture outfit according to claim 1 is characterized in that, described pintle is the decussation body of two boards, and the groove that intersects to form is a chute, and the decussation plate of chute both sides is provided with the lock groove of a plurality of intervening portions.
7. according to claim 5 or 6 described Dispensable continuous negative-pressure puncture outfits, it is characterized in that, described lock groove is a triangle opening, and a limit of triangle opening is perpendicular to the pintle axis, another limit with towards the pintle axis angle of puncture needle direction less than 90 degree.
8. Dispensable continuous negative-pressure puncture outfit according to claim 1, it is characterized in that, described locking folder is divided into stiff end and ends the lock end, the stationary plane of locking clamping fixed end is provided with protruding plug, described needle tubing inserts the pintle end at it and is provided with fixed platform, fixed platform is provided with jack, and the locking folder is fixed by the jack that protruding plug inserts on the fixed platform.
9. according to the Dispensable continuous negative-pressure puncture outfit of claim 1, it is characterized in that the V-arrangement angle of described V-type groove is 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103125084A CN101716087B (en) | 2009-12-29 | 2009-12-29 | Disposable continuous negative-pressure puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103125084A CN101716087B (en) | 2009-12-29 | 2009-12-29 | Disposable continuous negative-pressure puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716087A CN101716087A (en) | 2010-06-02 |
| CN101716087B true CN101716087B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103125084A Expired - Fee Related CN101716087B (en) | 2009-12-29 | 2009-12-29 | Disposable continuous negative-pressure puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716087B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011002193B4 (en) * | 2011-04-20 | 2018-11-29 | Leica Biosystems Nussloch Gmbh | Tissue specimen handling device |
| DE102011002194B4 (en) * | 2011-04-20 | 2018-12-06 | Leica Biosystems Nussloch Gmbh | Tissue specimen handling device |
| CN105877787B (en) * | 2016-03-28 | 2018-07-24 | 西南医科大学附属医院 | A kind of negative pressure puncture syringe |
| CN108542479B (en) * | 2016-05-16 | 2020-10-09 | 四川菲缇尼斯医疗科技有限公司 | Uterine suction device |
| CN115813453A (en) * | 2022-11-16 | 2023-03-21 | 南京康友医疗科技有限公司 | Negative pressure suction biopsy needle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426228A (en) * | 1972-06-12 | 1976-02-25 | Jamshidi K | Biopsy instrument |
| US4549554A (en) * | 1984-01-03 | 1985-10-29 | Markham Charles W | Aspiration biopsy device |
| EP0279956A1 (en) * | 1987-01-12 | 1988-08-31 | Van-Tec Incorporated | Aspiration syringe |
| US5485853A (en) * | 1994-04-28 | 1996-01-23 | Stubbs; George | Apparatus for withdrawing fluid or tissue from a patient's body |
| CN2378057Y (en) * | 1999-01-06 | 2000-05-17 | 韩建明 | Pressure-keeping syringe |
| DE10212156A1 (en) * | 2002-03-19 | 2003-10-09 | Norbert F Heske | Biopsy device consists of a handpiece, a needle, a vacuum generating unit located in the handpiece housing, a ventilation opening, and a connecting element |
| CN2820089Y (en) * | 2005-08-19 | 2006-09-27 | 赵英利 | Auto fat living cell extractor |
-
2009
- 2009-12-29 CN CN2009103125084A patent/CN101716087B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426228A (en) * | 1972-06-12 | 1976-02-25 | Jamshidi K | Biopsy instrument |
| US4549554A (en) * | 1984-01-03 | 1985-10-29 | Markham Charles W | Aspiration biopsy device |
| EP0279956A1 (en) * | 1987-01-12 | 1988-08-31 | Van-Tec Incorporated | Aspiration syringe |
| US5485853A (en) * | 1994-04-28 | 1996-01-23 | Stubbs; George | Apparatus for withdrawing fluid or tissue from a patient's body |
| CN2378057Y (en) * | 1999-01-06 | 2000-05-17 | 韩建明 | Pressure-keeping syringe |
| DE10212156A1 (en) * | 2002-03-19 | 2003-10-09 | Norbert F Heske | Biopsy device consists of a handpiece, a needle, a vacuum generating unit located in the handpiece housing, a ventilation opening, and a connecting element |
| CN2820089Y (en) * | 2005-08-19 | 2006-09-27 | 赵英利 | Auto fat living cell extractor |
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| Publication number | Publication date |
|---|---|
| CN101716087A (en) | 2010-06-02 |
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Granted publication date: 20110406 |