CN103054543B - Endoscope with adjustable hardness - Google Patents
Endoscope with adjustable hardness Download PDFInfo
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- CN103054543B CN103054543B CN201210568111.3A CN201210568111A CN103054543B CN 103054543 B CN103054543 B CN 103054543B CN 201210568111 A CN201210568111 A CN 201210568111A CN 103054543 B CN103054543 B CN 103054543B
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Abstract
The invention provides an endoscope with adjustable hardness. At least two metal wires and a plurality of movable bodies nested on one metal wire are used as a drawing wire, one end of the drawing wire is fixed with the inner end of an endoscope pipe body, the other end of the drawing wire is a free end, and the inner end of the pipe body is suitable for entering the human body. The principle of the drawing wire for achieving adjusting hardness is that: the metal wire nested with the plurality of movable bodies is drawn from the free end, the plurality of movable bodies are extruded together, the drawing wire enables the endoscope to become into a hard endoscope; after the endoscope enters the human body, the drawn metal wire is loosened, and parts of the movable bodies are not contacted tightly so as to enable the endoscope to become into a soft endoscope. Positions of an endoscope head and the inner end of the pipe body are fixed relatively, the other metal wire is drawn from the free end, and the endoscope head can rotate within a certain angle range. A sheathing canal is omitted, size of an instrument channel can be enlarged, operation is facilitated, and requirements for operators are low.
Description
Technical field
The present invention relates to surgical operation assistive device field, particularly relate to a kind of soft or hard adjustable endoscope.
Background technology
Endoscope, such as ureteroscope, apply very extensive in surgical operation, is applicable to insert human body and carries out some auxiliary treatment.Existing ureteroscope comprises rigid endoscope, soft endoscope, and rigid endoscope cannot rotate due to camera lens, thus can only do the relatively clear and definite operation of some lesions positions.For the indefinite operation of some lesions positions, such as ureteroscope needs after camera lens enters renal pelvis, and continuous adjustment direction enters different renal calices, performs the operation to find focus.But, this soft endoscope due to material softer, hard material (being generally sheath pipe) need be adopted to set up passage at human body when entering human body, by the passage of this sheath pipe, soft endoscope is sent into human body afterwards, such operation technique comparatively bothers.Thus, there is the endoscope that soft or hard is adjustable at present.More endoscopies adjustable about soft or hard please refer to the Chinese patent literature that publication number is " CN101933795A ".
But in use there is following problems in these endoscopies:
Still need to adopt stereoplasm tube to set up passage, the size (diameter) based on body passageway limits, and such as human body ureter size is limited, and this sheath pipe occupies the size (diameter) of instrument channel, is unfavorable for some carrying out of performing the operation or requires higher to operator.
In view of this, be necessary in fact to propose a kind of new soft or hard adjustable endoscope, to solve the problem.
Summary of the invention
The object that the present invention realizes proposes a kind of new soft or hard adjustable endoscope, and it can increase the size of instrument channel, is beneficial to operation and carries out, require lower to operator.
For achieving the above object, the invention provides a kind of soft or hard adjustable endoscope, comprising:
Have the body of drawing silk passage, described body has the inner and outer end;
Be suitable for the drawing silk being placed in described drawing silk passage, one end of described drawing silk and the inner of described body are fixed, the other end is free end, it is characterized in that, described drawing silk comprises at least two one metal wires and is at least nested in the multiple mobiles on a wherein one metal wire.
Alternatively, described multiple mobile is nested on all tinsels, and at least one one metal wire is not positioned at the center of described multiple mobile.
Alternatively, the free end of described drawing silk is connected with handle.
Alternatively, the described drawing silk of part near free end is wrapped on roller.
Alternatively, near the described drawing silk of part of free end, there is scale or described roller has scale.
Alternatively, described body also comprises: instrument channel, illumination channel, intake tunnel and backwater channel.
Alternatively, described backwater channel comprises the inner and outer end, and described the inner is concordant with the inner of body, and the outer end of described backwater channel is connected with liquid metering device.
Alternatively, the outer end of described backwater channel is also connected with water plug.
Alternatively, the diameter range of described instrument channel is 1 ~ 2mm.
Alternatively, the diameter range of described backwater channel is 0.1 ~ 2mm.
Alternatively, described soft or hard adjustable endoscope is ureteroscope, renal pelvis mirror, cystoscope, gastroscope, intestinal mirror, bronchoscope, choledochoscope or hysteroscope.
Compared with prior art, the present invention has the following advantages: 1) use at least two one metal wires and multiple mobiles of being nested on a wherein one metal wire as drawing silk, one end of this drawing silk and the inner of endoscope's body are fixed, the other end is free end, wherein, the inner of body is for being suitable for this end entering human body.This drawing silk realizes the adjustable principle of soft or hard: be nested with the tinsel of multiple mobile from free end tractive after, and the plurality of mobile is pressed together, and this drawing silk makes endoscope become rigid endoscope; After entering human body, loosening the tinsel be pulled, is not close contact between piecemeal activity body, endoscope is made to become soft endoscope, now, because camera lens is relative with body inner end positions fixing, during from another one metal wire of free end tractive, camera lens is able to rotate within the scope of certain angle.
2), in possibility, the multiple mobiles using at least two one metal wires and be nested on all tinsels, two one metal wires are not herein arranged together, and at least one one metal wire is not positioned at the center of described multiple mobile.This drawing silk realizes the adjustable principle of soft or hard: after free end tractive root or all tinsels, the plurality of mobile is pressed together, and this drawing silk makes endoscope become rigid endoscope; After entering human body, loosening the tinsel be pulled, is not close contact between piecemeal activity body, endoscope is made to become soft endoscope, now, because camera lens is relative with body inner end positions fixing, during from free end tractive one metal wire, camera lens can be realized and rotate within the scope of certain angle.
3) in possibility, the free end of drawing silk is connected with handle, by operating grip, can realize the tinsel in drawing silk is carried out to tension and loosens, thus the soft or hard realizing endoscope is adjustable.
4) in possibility, 3) on possibility basis, the described drawing silk of part near free end is wrapped on roller, avoid drawing silk knotting, be beneficial to operation.
5) in possibility, 4) on possibility basis, the described drawing silk of part near free end arranges scale or arrange scale on roller, so, the corresponding relation between tractive amount and adjustment angle can be obtained, be beneficial to operation.
6) in possibility, described body comprises: instrument channel, illumination channel, intake tunnel and backwater channel, by the setting of backwater channel, be beneficial to operation water inlet to discharge from human body, this passage is beneficial to and this draining is collected simultaneously, can not pollute, be beneficial to operation to operating side.
7) in possibility, this backwater channel comprises the inner and outer end, described the inner is concordant with the inner of body, described outer end is connected with liquid metering device, make not only to be collected from the water of human body draining, and can measure, substantially realize inflow and keep equal with backwater amount (displacement), thus, operation risk is reduced.
8) in possibility, 7) on possibility basis, the outer end of this backwater channel is also connected with water plug, when making impeded drainage, by the use of extraneous apparatus, draining is carried out smoothly, can not accumulate at human body.
9) in possibility, soft or hard adjustable endoscope of the present invention is suitable for wider, may be used for the operation of multiple section office, can be such as ureteroscope, renal pelvis mirror, cystoscope, gastroscope, intestinal mirror, bronchoscope, choledochoscope or hysteroscope etc., body wherein and drawing silk carry out length adjustment according to each body passageway.
Accompanying drawing explanation
Fig. 1 is the soft or hard adjustable endoscope structural representation of the embodiment of the present invention one;
Fig. 2 is the sectional view along A-A straight line in Fig. 1;
Fig. 3 to Fig. 5 is the schematic diagram of the soft or hard adjustable endoscope of the embodiment of the present invention one;
Fig. 6 is the schematic diagram of the soft or hard adjustable endoscope of the embodiment of the present invention two;
Fig. 7 to Fig. 9 is the schematic diagram of the soft or hard adjustable endoscope of the embodiment of the present invention three;
Figure 10 is the schematic diagram of the soft or hard adjustable endoscope of the embodiment of the present invention four.
Detailed description of the invention
Being different from prior art still uses sheath pipe as the scheme of the soft or hard adjustable endoscope of body passageway, the present invention is by using at least two one metal wires and multiple mobiles of being nested on a wherein one metal wire as drawing silk, one end of this drawing silk and the inner of endoscope's body are fixed, the other end is free end, wherein, the inner of body is for being suitable for this end entering human body.This drawing silk realizes the adjustable principle of soft or hard: be nested with the tinsel of multiple mobile from free end tractive after, and the plurality of mobile is pressed together, and this drawing silk makes endoscope become rigid endoscope; After entering human body, loosening the tinsel be pulled, is not close contact between piecemeal activity body, endoscope is made to become soft endoscope, now, because camera lens is relative with body inner end positions fixing, during from another one metal wire of free end tractive, camera lens is able to rotate within the scope of certain angle.So, eliminate sheath pipe, the size of instrument channel can be increased, be beneficial to operation and carry out, require lower to operator.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Principle of the present invention is described, so do not draw to scale owing to focusing on.
Embodiment one
Figure 1 shows that the structural representation of the soft or hard adjustable endoscope 1 that the specific embodiment of the invention one provides, Figure 2 shows that the sectional view along A-A straight line in Fig. 1.This soft or hard adjustable endoscope 1 can be ureteroscope, renal pelvis mirror, cystoscope, gastroscope, intestinal mirror, bronchoscope, choledochoscope or hysteroscope etc.
Composition graphs 1 is with shown in Fig. 2, this soft or hard adjustable endoscope 1 comprises: have body 10 that is inner and outer end, this the inner is suitable for entering human body, this outer end is suitable for being placed in outside human body, is provided with instrument channel 11, illumination channel 12, intake tunnel 13, backwater channel 14 and drawing silk passage 15 in this body 10.
This instrument channel 11 enters for various operating theater instruments, such as scalpel, pincers etc., can be also optical-fibre channel, carry out operation technique, generally wish that size is larger by laser.Illumination channel 12 is optical-fibre channel, and lighting source adopts existing light source, such as hernia lamp.This lighting fiber (not shown) has signal transfer functions concurrently simultaneously, and its termination has camera lens (not shown), and this camera lens is the camera lens of endoscope 1.For preventing in some operation, such as, in stone operation, residue splashes, and can also arrange clear hard over cap outside this camera lens.Intake tunnel 13 is for example and without limitation to and rinses area of visual field water admission passage.Backwater channel 14 is discharged for waste water, it comprises two ends, wherein one end is concordant with the inner of body, namely concordant with the camera lens of soft or hard adjustable endoscope 1 or be slightly shorter than camera lens (namely ensureing not affect the camera lens visual field), this end is used for entering human body, also claim the inner, the other end relative with this inner is outer end, for being placed in outside human body.
Except body 10, as shown in Figure 3, this soft or hard adjustable endoscope 1 also comprises: be suitable for the drawing silk 17 being placed in described drawing silk passage 15, one end of this drawing silk 17 and the inner of body 10 are fixed, namely relative with the position of camera lens fixing, thus this end also claims stiff end, and the other end relative with this end is free end; Particularly, this drawing silk 17 multiple mobiles 173 of comprising at least two one metal wires 171,172 and being nested on tinsel 172.
This endoscope 1 realizes the adjustable principle of soft or hard:
As shown in Figure 3, under normal condition, the dispersion of multiple mobiles 173 is nested on tinsel 172.In other words, multiple mobile 173, such as, be spheroid, be not fixedly connected with tinsel 172, the spacing can slided between change adjacent activities body 173 along tinsel 172.
In an embodiment, the tube wall close contact of multiple mobile 173 and drawing silk passage 15, not with tinsel 172 tension, loosen and change the position of its relative drawing silk passage 15.The tube wall of this drawing silk passage 15 has elasticity, can fold under tinsel 172 is pulled situation, can unfold under loosening situation.
When endoscope 1 need enter human body, this drawing silk 17 need make endoscope 1 become rigid endoscope.Particularly, as shown in Figure 4, after tinsel 172 is pulled from free end, due to the existence of stiff end, the plurality of mobile 173 is pressed together, body 10, at least its head (for entering human body parts) is hardening, makes this endoscope 1 be become rigid endoscope.
After entering human body, as shown in Figure 5, loosen this tinsel 172, be not close contact between piecemeal activity body 173, drawing silk 17 makes endoscope 1 become soft endoscope.Because camera lens is relative fixing with body 10 inner end positions, and the stiff end of the inner of body 10 and drawing silk 17 is fixed, and now, during from free end tractive tinsel 171, camera lens can rotate within the scope of certain angle.
Can find out, it is adjustable that the endoscope 1 that above-mentioned soft or hard is adjustable realizes soft or hard by drawing silk 17, thus relative to soft endoscope or the soft or hard adjustable endoscope of existing use sheath pipe, can avoid the setting of sheath pipe, thus the diameter of instrument channel 11 can be increased, meet the operation demand of different department.In an embodiment, the diameter range of this instrument channel 11 is 1-2mm.
Above-mentioned tractive and process of loosening can by arranging roller (not shown) realization at the free end of drawing silk 17, preferably, this part drawing silk near free end or roller arrange scale, show that the number of tractive amount and camera lens adjust the size of angle by test of many times, the use of this endoscope 1 more convenient.
Be understandable that, for the soft or hard realizing endoscope 1 is adjustable, being nested in multiple mobiles 173 on tinsel 172 except spherical, can also be other shape any, such as square, annular, not even regular shape.
In addition, relative to the gap used between sheath pipe and soft endoscope as drainage channel or the gap between sheath pipe and soft or hard adjustable endoscope 1 scheme as drainage channel, the setting of the backwater channel 14 in the present embodiment, waste water is made to have special passing away, thus make in the outer end of backwater channel 14, can collect operation waste water, avoid polluting operating side.
In addition, the outer end of this backwater channel 14 can also arrange the gathering-device (not shown) of band metering, make not only to be collected from the water of human body draining, and can measure, substantially inflow is realized equal with returning water quantity holding, avoid excess moisture in human organ to cause pressure reduction excessive, thus reduce operation risk.
Further, the outer end of this backwater channel 14 can also be connected with water plug (not shown), when making impeded drainage, by the use of extraneous apparatus (such as water plug), draining is carried out smoothly, can not accumulate at human body.
In specific implementation process, the diameter range of backwater channel 14 is 0.1 ~ 2mm.
Embodiment two
The endoscope that the present embodiment two provides also is the adjustable endoscope of soft or hard, its structure is roughly identical with embodiment one, difference is: as shown in Figure 6, the tinsel of this drawing silk 17 ' has three, namely set up tinsel 174, this tinsel 174 and virgin metal silk 171 are positioned at the not homonymy of mobile 173; During from free end tractive tinsel 174, camera lens is able to rotate to the rightabout with tractive tinsel 171.
Based on above-mentioned principle, above-mentioned drawing silk can have many one metal wires, to realize the multi-faceted angular turn of camera lens.
Embodiment three
The endoscope that the present embodiment three also provides a kind of soft or hard adjustable, be different from the scheme of embodiment one, the drawing silk 17 of the present embodiment " comprise two one metal wires 171 ', 172 ' and multiple spherical, the square or erose mobile 173 that is nested on described two one metal wires 171 ', 172 '; and two one metal wires 171 ', 172 ' are not herein arranged together, and are not positioned at the center of multiple mobile 173.
This endoscope realizes the adjustable principle of soft or hard:
As shown in Figure 7, under normal condition, drawing silk 17 " multiple mobiles 173 to be loosely arranged on two one metal wires 171 ', 172 '.Now, this endoscope is soft endoscope.
When endoscope need enter human body, this drawing silk 17 " endoscope need be made to become rigid endoscope.Particularly, as shown in Figure 8, after being pulled from free end while of certain one metal wire 171 ', 172 ' or two, due to the existence of stiff end, the plurality of mobile 173 is pressed together, endoscope, at least its head (for entering human body parts) is hardening, makes this endoscope be become rigid endoscope.
After entering human body, as shown in Figure 9, loosening the tinsel 171 ', 172 ' that this is pulled, is not close contact between piecemeal activity body 173, in other words, this drawing silk 17 " make endoscope become soft endoscope.Because camera lens is relative fixing with body 10 inner end positions, and the inner of body 10 and drawing silk 17 " stiff end fix, now, from free end tractive tinsel 171 ' time, camera lens is able to rotate within the scope of certain angle.
Can find out, in the present embodiment, two one metal wires 171 ', 172 ' are not positioned at the center of multiple spherical, square or erose mobile 173, and relative motion body 173 is symmetrical, in other words, at the same time tractive two one metal wire 171 ', 172 ' time, multiple mobiles 173 uniform force, is easy to endoscope hardening.And after loosening two one metal wires 171 ', 172 ' be pulled, it is not close contact between the mobile 173 of head, now, during from free end tractive tinsel 171 ' or tinsel 172 ', the tube wall of this drawing silk passage 15 is pulled, and make camera lens rotate in scope at a certain angle.
In other embodiment, two one metal wires 171 ', 172 ' also can a center being positioned at multiple spherical, square or erose mobile 173, and one is not positioned at.Its operation principle and above-mentioned two operation principles not being positioned at the scheme at multiple mobiles 173 center similar.
Except above-mentioned difference, the endoscope that the present embodiment three soft or hard is adjustable is identical with the soft or hard adjustable endoscope of embodiment one.
Embodiment four
The endoscope structure that the present embodiment four provides is roughly identical with embodiment three, difference is: as shown in Figure 10, this drawing silk 17 " ' tinsel there are three, namely set up tinsel 174 ', this tinsel 174 ' and virgin metal silk 171 ' are positioned at the not homonymy of mobile 173; From free end tractive tinsel 174 ' time, camera lens is able to rotate to the rightabout with tractive tinsel 171 '.
Based on above-mentioned principle, above-mentioned drawing silk can have many one metal wires, to realize the multi-faceted angular turn of camera lens.
In the present invention, each embodiment adopts laddering literary style, and emphasis describes the difference with previous embodiment, and the identical structure in each embodiment is with reference to the same section of previous embodiment.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, are not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (11)
1. a soft or hard adjustable endoscope, comprising:
Have the body of drawing silk passage, described body has the inner and outer end;
Be suitable for the drawing silk being placed in described drawing silk passage, one end of described drawing silk and the inner of described body are fixed, the other end is free end, it is characterized in that, described drawing silk comprises at least two one metal wires and is at least nested in the multiple mobiles on a wherein one metal wire, endoscope is when entering human body, and described multiple mobile is pressed together, and the nested drawing silk of described multiple mobile makes endoscope become straight rigid endoscope.
2. soft or hard adjustable endoscope according to claim 1, is characterized in that, described multiple mobile is embedding
Be enclosed within all tinsels, at least one one metal wire is not positioned at the center of described multiple mobile.
3. soft or hard adjustable endoscope according to claim 1 and 2, is characterized in that, the free end of described drawing silk is connected with handle.
4. soft or hard adjustable endoscope according to claim 3, is characterized in that, the described drawing silk of part near free end is wrapped on roller.
5. soft or hard adjustable endoscope according to claim 4, is characterized in that, the described drawing silk of part near free end has scale or described roller has scale.
6. soft or hard adjustable endoscope according to claim 1, is characterized in that, described body also comprises: instrument channel, illumination channel, intake tunnel and backwater channel.
7. soft or hard adjustable endoscope according to claim 6, is characterized in that, described backwater channel comprises the inner and outer end, and described the inner is concordant with the inner of body, and the outer end of described backwater channel is connected with liquid metering device.
8. soft or hard adjustable endoscope according to claim 7, is characterized in that, the outer end of described backwater channel is also connected with water plug.
9. soft or hard adjustable endoscope according to claim 6, is characterized in that, the diameter range of described instrument channel is 1 ~ 2mm.
10. soft or hard adjustable endoscope according to claim 6, is characterized in that, the diameter range of described backwater channel is 0.1 ~ 2mm.
11. soft or hard adjustable endoscope according to claim 1, is characterized in that, described soft or hard adjustable endoscope is ureteroscope, renal pelvis mirror, cystoscope, gastroscope, intestinal mirror, bronchoscope, choledochoscope or hysteroscope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568111.3A CN103054543B (en) | 2012-12-24 | 2012-12-24 | Endoscope with adjustable hardness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568111.3A CN103054543B (en) | 2012-12-24 | 2012-12-24 | Endoscope with adjustable hardness |
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| CN103054543A CN103054543A (en) | 2013-04-24 |
| CN103054543B true CN103054543B (en) | 2014-12-31 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109124552A (en) * | 2018-08-06 | 2019-01-04 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | Soft or hard transformation gastroscope |
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| CN1905832A (en) * | 2004-04-28 | 2007-01-31 | Ucl拜奥麦蒂卡公开公司 | Endoscope, for example a colonoscope, and a cleaning method for use therewith |
| CN200942076Y (en) * | 2006-08-18 | 2007-09-05 | 张家华 | Urinary catheter placement microscopy |
| CN101507599A (en) * | 2008-10-10 | 2009-08-19 | 广州宝胆医疗器械科技有限公司 | Hard mother and son gall bladder, gall bladder les system and use method thereof |
| CN203000885U (en) * | 2012-12-24 | 2013-06-19 | 上海圣博艾医疗科技有限公司 | Hardness-adjustable endoscope |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3776557B2 (en) * | 1997-04-10 | 2006-05-17 | オリンパス株式会社 | Endoscope |
| JP3934593B2 (en) * | 2003-11-12 | 2007-06-20 | オリンパス株式会社 | Endoscope system |
| US8690756B2 (en) * | 2009-12-18 | 2014-04-08 | Cook Medical Technologies Llc | Advancing system and method of use thereof |
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- 2012-12-24 CN CN201210568111.3A patent/CN103054543B/en active Active
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|---|---|---|---|---|
| CN1905832A (en) * | 2004-04-28 | 2007-01-31 | Ucl拜奥麦蒂卡公开公司 | Endoscope, for example a colonoscope, and a cleaning method for use therewith |
| CN200942076Y (en) * | 2006-08-18 | 2007-09-05 | 张家华 | Urinary catheter placement microscopy |
| CN101507599A (en) * | 2008-10-10 | 2009-08-19 | 广州宝胆医疗器械科技有限公司 | Hard mother and son gall bladder, gall bladder les system and use method thereof |
| CN203000885U (en) * | 2012-12-24 | 2013-06-19 | 上海圣博艾医疗科技有限公司 | Hardness-adjustable endoscope |
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| JP特开2004-121860A 2004.04.22 * |
| JP特开平10-276965A 1998.10.20 * |
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Effective date of registration: 20190625 Address after: Room 1206A, Building A, 3000 Longdong Avenue, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 201203 Patentee after: Shanghai Ruikeen Laser Technology Co., Ltd. Address before: Room 743, 255 Xinjinqiao Road, Pudong New Area, Shanghai, 20106 Patentee before: Shanghai Shengboai Medical Technology Co., Ltd. |
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Application publication date: 20130424 Assignee: Tianjin jinruihongxiang Technology Co., Ltd Assignor: Shanghai Rycorn Laser Technology Co., Ltd. Contract record no.: X2020310000002 Denomination of invention: Endoscope with adjustable hardness Granted publication date: 20141231 License type: Common License Record date: 20200309 |