CN103393395A - Ureteroscope with extensible sheath with bendable tail end - Google Patents
Ureteroscope with extensible sheath with bendable tail end Download PDFInfo
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- CN103393395A CN103393395A CN2013103012523A CN201310301252A CN103393395A CN 103393395 A CN103393395 A CN 103393395A CN 2013103012523 A CN2013103012523 A CN 2013103012523A CN 201310301252 A CN201310301252 A CN 201310301252A CN 103393395 A CN103393395 A CN 103393395A
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Abstract
The invention belongs to the technical field of medical instruments, and provides an ureteroscope with an extensible sheath with a bendable tail end. The ureteroscope is composed of an endoscope and the extensible sheath. The endoscope comprises an endoscope body, a rigid section, a bendable section and a lens. The rigid section, the bendable section and the lens are sequentially connected with the endoscope body. The extensible sheath is a cylindrical hollow guide tube and is sleeved on the outer side of the rigid section. One end of the extensible sheath is connected with the endoscope body. The ureteroscope is simple in structure, convenient to use and low in cost, adjustable extent of the bending angle of the endoscope is greater, the endoscope is more convenient to adjust, and transurethral ureteroscopy and cure operations become safe and easy.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of Minimally Invasive Surgery endoscope for upper urinary tract disease diagnosis and treatment.
Background technology
Ureteroscope is a kind of endoscope that diagnoses in urinary tract on urinary system by special instrument with disease treatment, it does not need to make large otch at human body again, obviously reduce the damage to tissue, thereby quickening body recovery, Shorten the Treatment Process, improve curative effect, is the important development on endoscopic technique, its application clinically, changed ureter, renal pelvis, renal calices position for a long time and be difficult to carry out macroscopic examination and upper urinary tract illness and must go the traditional concept of open surgery treatment.The ureteroscope of application has rigid ureteroscope and flexible ureteroscope two classes at present, rigid ureteroscope has the advantage of good directivity and convenient operation, importing, but there are the visual field and operation blind area, although flexible ureteroscope can be eliminated the visual field and operation blind area, the mirror body is soft, poor controllability, operating difficulties, learning curve is long, and expensive, easily damages.
The inventor is devoted to improve according to the clinical practice service condition design of ureteroscope always, finds a kind of not only being convenient to mirror body importing human body urinary system, camera lens but also ureteroscope with good flexibility.The inventor has applied for Chinese patent application CN200310115365.0 on November 21st, 2003, denomination of invention is " Ureter mirror with flexible end ", publication number is CN1543907A, disclosed a kind of ureteroscope, its mirror body itself is solid structure, the end of mirror body is also solid structure, but in order to eliminate the blind area of observing and operating, the tip designs of mirror body is become two sections, and by the joint of capable of controlling rotary, be connected, can be to each crooked 180 ° of two relative directions with the end of realizing the mirror body.
The inventor applied for Chinese patent application CN200610152517.8 on the 28th in JIUYUE in 2006 again, denomination of invention is " expansion type ureter mirror with bendable end ", publication number is CN101152074A, disclosed a kind of ureteroscope, its mirror body itself is solid structure, but the tip designs of mirror body is identical with the end of traditional flexible ureteroscope, can be to each crooked 0-180 ° of two relative directions, and before ureteroscope arrived renal pelvis or is subjected to dangerous position, soft mirror body end was to submerge fully in rigid mirror body; When diagnosing or treat operation, soft mirror body end just stretches out in rigid mirror body, and realizes crooked by operating grip.
The design of above-mentioned two kinds of ureteroscopies is all wished can be in conjunction with the advantage of rigid ureteroscope and flexible ureteroscope, overcome the shortcoming of rigid ureteroscope and flexible ureteroscope, but clinical use is got off, and the former is because the end of mirror body is solid structure, and its angle of bend can not be adjusted arbitrarily; The latter will be submerged fully due to soft mirror body end in rigid mirror body, directly affected setting and the discharging of the inner light guide bundles that originally just has of rigid mirror body, inlet pipeline etc., and the angle of bend of soft mirror body end is controlled and also be there is no concrete technical scheme.
Summary of the invention
The purpose of this invention is to provide a kind of Ureter mirror with flexible end with concertina type epitheca that the mirror body is imported human body urinary system, camera lens but also has good flexibility of not only being convenient to.
For solving the problems of the technologies described above, the invention provides a kind of Ureter mirror with flexible end of concertina type epitheca, formed by endoscope and flexible sheath (also claiming the concertina type epitheca), but described endoscope comprises endoscopic main body and the rigid section curved segment and the camera lens (being object lens) that are connected successively with endoscopic main body;
Described flexible sheath is the cylinder type hollow conduit, is set in the outside of rigid section, and an end of flexible sheath is connected with endoscopic main body;
Described endoscopic main body comprises: the controlling organization in handle, handle, the light guide bundles interface on handle, water inlet interface, and the eyepiece of handle end and focus adjustment knob etc.
Preferably, an end of described flexible sheath is connected with endoscopic main body by installing mechanism;
Preferably, described controlling organization is arranged in control chamber in the handle of endoscopic main body, and described controlling organization comprises radius of gyration regulon and deflection lens direction regulon.
Preferably, described radius of gyration regulon comprises: control strip, described control strip are arranged in described control chamber; And control line, described control line one end is connected with described control strip, but the other end of described control line is arranged in described rigid section and described curved segment.
Preferably, described deflection lens direction regulon comprises: spill spin block, and described spill spin block is movably fixed on exchanger axis, at an end of described spill spin block, is provided with adjusting knob; Exchanger axis, described exchanger axis are arranged on a side of described spill spin block, described exchanger axis and the laminating of described rigid section; And the adjusting line, described adjusting line is arranged on the two ends of described spill spin block, and described adjusting line intersects and fits and is arranged on described rigid section inwall after described exchanger axis.
Preferably, the overall diameter of described exchanger axis is less than or equal to the interior diameter of described rigid section.
Preferably, the length of described adjusting line extends to the end of described rigid section.
Preferably, the material of described adjusting line is memory wire.
Preferably, described installing mechanism comprises: construction section; Spacing ball, described spacing ball is arranged on described construction section; And stop collar, described stop collar articulating is in the junction of described flexible sheath and described endoscope, and wherein said stop collar is connected on described spacing ball by stopper slot.
Preferably, the quantity of described spacing ball is two, and two described spacing balls are separately positioned on the two ends of described construction section.
The control form of the Ureter mirror with flexible end of concertina type epitheca of the present invention is fully different from prior art, but the Ureter mirror with flexible end front end curved segment angle of bend control form of concertina type epitheca of the present invention adopts memory wire to control, be different from traditional control form that pulls snake bone type with steel wire, control form of the present invention can be so that the angle of bend of bendable section be larger, and the crooked radius of gyration is less, has namely broken through the angle of bend of snake bone control structure and the bottleneck of bending radius.
The design of the concertina type epitheca structure that the present invention adopts, can facilitate the turnover of endoscope, and this epitheca is connected with endoscope, need be with hand steered epitheca during use, or pay close attention to epitheca and whether withdraw from, retractility epitheca of the present invention matches with endoscope, simplify operation, guaranteed safety.
The Ureter mirror with flexible end of concertina type epitheca of the present invention has added radius of gyration adjusting knob, this structure can help endoscope lens to enter smoothly kidney upper, middle and lower small cup, and only has the single radius of gyration unlike conventional endoscope, when entering the renal calices of special angle, can only be by inserting or pull out the tentative adjustment radius of gyration with endoscope is whole, so not only efficiency is low but also can impact in the endoscope life-span.
The Ureter mirror with flexible end of concertina type epitheca of the present invention is simple in structure, and is easy to use, with low cost, and endoscope's angle of bend adjustable extent is larger, more convenient, and ureteroscopic inspection and treatment operation are become safely and easily.
Description of drawings
Fig. 1 is the Ureter mirror with flexible end structural representation of concertina type epitheca of the present invention;
Fig. 2 is the flexible sheath of the Ureter mirror with flexible end of concertina type epitheca of the present invention and endoscopic main body junction cutaway view;
Fig. 3 is the Ureter mirror with flexible end position-limit mechanism partial enlarged drawing of concertina type epitheca of the present invention;
Fig. 4 is the Ureter mirror with flexible end deflection lens direction regulon work schematic diagram one of concertina type epitheca of the present invention;
Fig. 5 is the Ureter mirror with flexible end deflection lens direction regulon work schematic diagram two of concertina type epitheca of the present invention;
Fig. 6 is the Ureter mirror with flexible end deflection lens direction regulon work schematic diagram three of concertina type epitheca of the present invention;
Fig. 7 is the Ureter mirror with flexible end camera lens radius of gyration regulon work schematic diagram one of concertina type epitheca of the present invention;
Fig. 8 is the Ureter mirror with flexible end camera lens radius of gyration regulon work schematic diagram two of concertina type epitheca of the present invention.
Description of reference numerals in the Ureter mirror with flexible end accompanying drawing of concertina type epitheca of the present invention:
1-construction section 2-handle 3-control chamber
The sheath 5-curved segment 6-camera lens but 4-stretches
7-light guide bundles interface 8-eyepiece 9-focus adjustment knob
10-water inlet interface 11-spill spin block 12-adjusting knob
13-exchanger axis 14-regulates the spacing ball of line 15-
16-stop collar 17-stopper slot 18-control strip
19-control line 20-rigid section 21-endoscopic main body
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but enforcement of the present invention is not limited only to this.
Embodiment 1:
As shown in the figure, a kind of Ureter mirror with flexible end of concertina type epitheca, it is comprised of endoscope and flexible sheath 4, but described endoscope comprises endoscopic main body 21 and rigid section 20 curved segments 5 and the camera lens 6 that are connected successively with endoscopic main body;
Described flexible sheath 4 is the cylinder type hollow conduit, is set in the outside of rigid section 20, and an end of flexible sheath is connected with endoscopic main body;
Described endoscopic main body comprises: the controlling organization in handle 2, handle, the light guide bundles interface 7 on handle, water inlet interface 10, and the eyepiece 8 of handle end and focus adjustment knob 9.
One end of described flexible sheath 4 is connected with endoscopic main body by installing mechanism.
Described controlling organization is arranged in control chamber 3 in the handle of endoscopic main body, and described controlling organization comprises radius of gyration regulon and deflection lens direction regulon.
Described installing mechanism comprises:
Construction section 1;
Stop collar 16, described stop collar articulating are in the junction of described flexible sheath and described endoscope, and wherein said stop collar is connected on described spacing ball by stopper slot 17.
Embodiment 2:
A kind of Ureter mirror with flexible end of concertina type epitheca, all the other are with embodiment 1, and described radius of gyration regulon comprises:
Described deflection lens direction regulon comprises:
Regulate line 14, described adjusting line is arranged on the two ends of described spill spin block, and described adjusting line intersects and fits and is arranged on described rigid section inwall after described exchanger axis.
Embodiment 3:
A kind of Ureter mirror with flexible end of concertina type epitheca, all the other are with embodiment 2, and the overall diameter of described exchanger axis 13 is less than or equal to the interior diameter of described rigid section 20.
The length of described adjusting line 14 extends to the end of described rigid section, and the material of regulating line is memory wire.
Embodiment 4:
A kind of Ureter mirror with flexible end of concertina type epitheca, all the other are with embodiment 3, and the quantity of described spacing ball 15 is two, and two described spacing balls are separately positioned on the two ends of described construction section 1.
Embodiment 5:
As shown in the figure, the Ureter mirror with flexible end of a kind of concertina type epitheca of embodiment 2, be comprised of flexible sheath 4 and endoscope, at the two ends of construction section 1, spacing ball 15 is set respectively; At the junction articulating stop collar 16 of flexible sheath 4 with endoscope, stop collar 16 is connected on spacing ball 15 by stopper slot 17.When stop collar 16 and the spacing ball 15 of front end are complementary, but curved segment 5 can be stretched out flexible sheath 4, and when stop collar 16 and the spacing ball 15 in rear end are complementary, but curved segment 5 can be taken in flexible sheath 4 just; Handle 2 on endoscopic main body 21, be used for gripping; Water inlet interface 10 is arranged on handle 2, is used for connecting water inlet pipe, tee T etc.; Radius of gyration regulon and deflection lens direction regulon are arranged in control chamber 3, but radius of gyration regulon is used for regulating the bending radius of curved segment; Deflection lens direction regulon is used for controlling yawing moment and the deflection angle of endoscope lens 6.Also comprise for the light guide bundles interface 7 that connects the light source main frame, be used for the endoscope lens 6 of observation operating field and eyepiece 8 and the focus adjustment knob 9 that is used for connecting camera system.
But rigid telescopic sheath 4 is connected with flexibility curved segment 5, and flexible sheath 4 has certain elasticity, while in endoscope, inserting human body, is convenient to the approach axis of user endoscope, the fine adjustment of insertion dynamics, reduces again the incidence rate of accidental injury situation simultaneously; But curved segment 5 can be regulated by moving camera lens 6 yawing moment adjusting knobs 12, to meet the operation demand of diverse location.
during use, first camera system is connected with eyepiece 8, then light guide bundles is connected with light guide bundles interface 7, and connect water inlet pipe on water inlet interface 10, the sheath 4 that will stretch slides to the endoscope lower end, make the spacing ball 15 in stop collar 16 and rear end match, at this moment, but curved segment 5 is taken in flexible sheath 4 fully, but rigid section 20 forms a rectilinear endoscope with curved segment 5 and flexible sheath 4 common combinations, under the guiding of wosap tv system, endoscope lens 6 and even rigid section 20 are inserted human urethras according to the operation routine, enter in ureter through the tubal bladder opening, until in renal pelvis, when needs enter the kidney inferior calyx, the larger deflection angle due to the less radius of gyration of needs, scalable radius of gyration regulon, flexible sheath 4 handles 2 of upward sliding make the spacing ball 15 of running-on and front end match, at this moment, but curved segment 5 is stretched out flexible sheath 4, can be according to surgical target, both left kidney or right side kidney, move the camera lens 6 yawing moment adjusting knobs 12 that are in original state, when endoscope need to enter in kidney, during upper small cup, the less deflection angle due to the larger radius of gyration of needs, can transfer to the radius of gyration regulon state that needs, and repeats aforesaid operations and can realize the rotation of endoscope lens 6.
Radius of gyration regulon comprises: control strip 18, control strip 18 are arranged in control chamber 3; And control line 19, control line 19 1 ends are connected with control strip 18, but the other end of control line 19 is arranged in rigid section 20 and curved segment 5.
Deflection lens direction regulon comprises: spill spin block 11, and spill spin block 11 is movably fixed on exchanger axis, at an end of spill spin block 11, is provided with adjusting knob 12; Exchanger axis 13, exchanger axis 13 are arranged on a side of spill spin block 11, exchanger axis 13 and rigid section 20 laminatings; And regulate line 14, and regulate line 14 and be arranged on the two ends of spill spin block 11, regulate line 14 and intersect after exchanger axis 13 and fit and be arranged on rigid section 20 inwalls.The overall diameter of exchanger axis 13 is less than or equal to the interior diameter of rigid section 20.The length of regulating line 14 extends to the end of rigid section 20.Spill spin block 11, spill spin block 11 is movably fixed on exchanger axis, at an end of spill spin block 11, is provided with adjusting knob 12; Exchanger axis 13, exchanger axis 13 are arranged on a side of spill spin block 11, exchanger axis 13 and rigid section 20 laminatings; And regulate line 14, and regulate line 14 and be arranged on the two ends of spill spin block 11, regulate line 14 and intersect after exchanger axis 13 and fit and be arranged on rigid section 20 inwalls.
But the adjusting knob 12 of deflection lens direction is embedded in shape memory metal silk in the mirror body by control and regulates line 14 turnover curved segments and realize the deflection action of endoscope lens 6, its principle is: when the adjusting knob 12 of deflection lens direction in a state of nature the time, two strip memory wires are regulated line 14 ends and all are recovered in rigid section 20, this moment, but curved segment 5 was not crooked, when upwards moving the adjusting knob 12 of deflection lens direction, but the shape memory metal silk is regulated line 14 ends and is entered endoscope's curved segment 5, but and makes curved segment 5 bendings.
But endoscope of the present invention angle of bend range of accommodation is 1cm～2.25cm for-270 degree～+ 270 degree curved segment radius of gyration range of accommodation, and endoscope lens of the present invention can enter kidney upper, middle and lower small cup smoothly.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite without prejudice to the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (10)
1. the Ureter mirror with flexible end of a concertina type epitheca, is characterized in that, it is comprised of endoscope and flexible sheath, but described endoscope comprises endoscopic main body and the rigid section curved segment and the camera lens that are connected successively with endoscopic main body;
Described flexible sheath is the cylinder type hollow conduit, is set in the outside of rigid section, and an end of flexible sheath is connected with endoscopic main body;
Described endoscopic main body comprises: the controlling organization in handle, handle, the light guide bundles interface on handle, water inlet interface, and the eyepiece of handle end and focus adjustment knob.
2. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 1, is characterized in that, an end of described flexible sheath is connected with endoscopic main body by installing mechanism.
3. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 1 and 2, it is characterized in that, described controlling organization is arranged in control chamber in the handle of endoscopic main body, and described controlling organization comprises radius of gyration regulon and deflection lens direction regulon.
4. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 3, is characterized in that, described radius of gyration regulon comprises:
Control strip, described control strip are arranged in described control chamber; And
Control line, described control line one end is connected with described control strip, but the other end of described control line is arranged in described rigid section and described curved segment.
5. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 3, is characterized in that, described deflection lens direction regulon comprises:
Spill spin block, described spill spin block is movably fixed on exchanger axis, at an end of described spill spin block, is provided with adjusting knob;
Exchanger axis, described exchanger axis are arranged on a side of described spill spin block, described exchanger axis and the laminating of described rigid section; And
Regulate line, described adjusting line is arranged on the two ends of described spill spin block, and described adjusting line intersects and fits and is arranged on described rigid section inwall after described exchanger axis.
6. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 5, is characterized in that, the overall diameter of described exchanger axis is less than or equal to the interior diameter of described rigid section.
7. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 5, is characterized in that, the length of described adjusting line extends to the end of described rigid section.
8. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 7, is characterized in that, the material of described adjusting line is memory wire.
9. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 2, is characterized in that, described installing mechanism comprises:
Construction section;
Spacing ball, described spacing ball is arranged on described construction section; And
Stop collar, described stop collar articulating are in the junction of described flexible sheath and described endoscope, and wherein said stop collar is connected on described spacing ball by stopper slot.
10. the Ureter mirror with flexible end of a kind of concertina type epitheca according to claim 9, is characterized in that, the quantity of described spacing ball is two, and two described spacing balls are separately positioned on the two ends of described construction section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301252.3A CN103393395B (en) | 2012-12-05 | 2013-07-17 | Ureteroscope with extensible sheath with bendable tail end |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515939.2 | 2012-12-05 | ||
| CN2012105159392 | 2012-12-05 | ||
| CN 201210515939 CN102961114A (en) | 2012-12-05 | 2012-12-05 | Ureteroscope with flexible end and retractable sheath |
| CN201310301252.3A CN103393395B (en) | 2012-12-05 | 2013-07-17 | Ureteroscope with extensible sheath with bendable tail end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103393395A true CN103393395A (en) | 2013-11-20 |
| CN103393395B CN103393395B (en) | 2015-03-04 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210515939 Pending CN102961114A (en) | 2012-12-05 | 2012-12-05 | Ureteroscope with flexible end and retractable sheath |
| CN201310301252.3A Expired - Fee Related CN103393395B (en) | 2012-12-05 | 2013-07-17 | Ureteroscope with extensible sheath with bendable tail end |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210515939 Pending CN102961114A (en) | 2012-12-05 | 2012-12-05 | Ureteroscope with flexible end and retractable sheath |
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| CN (2) | CN102961114A (en) |
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| CN106667420B (en) * | 2017-01-24 | 2018-06-01 | 长春艾迪尔医用科技发展有限公司 | Flexible nasal sinus mirror is adjusted in one kind |
| WO2018176682A1 (en) * | 2017-03-28 | 2018-10-04 | 武汉佑康科技有限公司 | Electronic telescopic structure of flexible endoscope |
| CN107095636A (en) * | 2017-06-02 | 2017-08-29 | 顾晓晖 | A kind of reversible soft or hard integral endoscope of orthopaedics and single approach control method |
| CN108618827A (en) * | 2017-11-13 | 2018-10-09 | 江门市鸿想医疗器械科技有限公司 | A kind of ureter sheath with controlled deflection function |
| CN109431601A (en) * | 2018-10-09 | 2019-03-08 | 北京术锐技术有限公司 | A kind of endoscopic surgery robot combined system and its application method |
| CN109567927B (en) * | 2018-11-22 | 2021-06-29 | 清华大学 | Intracavity operation tool |
| WO2020221221A1 (en) * | 2019-04-29 | 2020-11-05 | 珠海市司迈科技有限公司 | Device for guiding flexible ureteroscope and method of use thereof and ureteropyeloscope system |
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| CN110720883B (en) * | 2019-11-23 | 2021-08-31 | 李松 | Multi-dimensional adjustment electronic imaging speculum for gynecological examination |
| CN111671379A (en) * | 2020-06-08 | 2020-09-18 | 北京凡星光电医疗设备股份有限公司 | Disposable medical examination device for endoscope |
| CN111671379B (en) * | 2020-06-08 | 2024-07-23 | 北京凡星光电医疗设备股份有限公司 | Disposable medical examination device for endoscope |
| CN112022063A (en) * | 2020-08-26 | 2020-12-04 | 苏州新光维医疗科技有限公司 | Endoscope with adjustable observation direction |
| CN113598693A (en) * | 2021-09-15 | 2021-11-05 | 中国科学院长春光学精密机械与物理研究所 | Endoscope flushing pressurizing device and method thereof |
| CN114748020A (en) * | 2022-04-22 | 2022-07-15 | 湖南省华芯医疗器械有限公司 | Endoscope butt-joint structural, endoscope handle, endoscope |
| CN114748020B (en) * | 2022-04-22 | 2022-12-06 | 湖南省华芯医疗器械有限公司 | Endoscope butt joint structure, endoscope handle and endoscope |
| CN115191912A (en) * | 2022-06-16 | 2022-10-18 | 上海工程技术大学 | Double-layer snake bone unit section, snake bone pipe and endoscope |
| CN115005742A (en) * | 2022-07-05 | 2022-09-06 | 重庆市计量质量检测研究院 | Endoscope transmission device |
| CN115005742B (en) * | 2022-07-05 | 2023-09-22 | 重庆市计量质量检测研究院 | Endoscope transmission device |
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| Publication number | Publication date |
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| CN102961114A (en) | 2013-03-13 |
| CN103393395B (en) | 2015-03-04 |
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