CN108618827A - A kind of ureter sheath with controlled deflection function - Google Patents
A kind of ureter sheath with controlled deflection function Download PDFInfo
- Publication number
- CN108618827A CN108618827A CN201711116141.XA CN201711116141A CN108618827A CN 108618827 A CN108618827 A CN 108618827A CN 201711116141 A CN201711116141 A CN 201711116141A CN 108618827 A CN108618827 A CN 108618827A
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- China
- Prior art keywords
- sheath
- control mechanism
- ureter
- deformation section
- interlayer
- 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.)
- Pending
Links
- 210000000626 ureter Anatomy 0.000 title claims abstract description 42
- 238000005452 bending Methods 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 238000005491 wire drawing Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 210000001635 urinary tract Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 241001164374 Calyx Species 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 206010061481 Renal injury Diseases 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 210000003744 kidney calice Anatomy 0.000 description 1
- 208000037806 kidney injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22025—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement applying a shock wave
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
Abstract
The invention discloses a kind of ureter sheath with controlled deflection function, ureter sheath includes the hollow tubular sheath for operating shank and front stretching, and there is the tube wall for constituting the tubulose sheath interlayer, the interlayer to be built-in with wire drawing；Tubulose sheath end is equipped with deformation section, and the operation shank is equipped with control mechanism, and the control mechanism is connect by wire drawing with the deformation section, and the deformation section is made to realize bending under the linkage of control mechanism；By the present invention in that hollow tubular ureter sheath has the deformation section that can realize bending under the linkage of control mechanism, operation path more can be accurately, effectively established, operation is safer, convenient；Coordinate the controlled deflection of ureterorenoscope, it can be achieved that second order buckling and multi-direction bending, reduce the blind area of ureterorenoscope simultaneously, increase effective range of operation, operation means are more effective, improve operation safety.
Description
Technical field
The present invention relates to medical instrument, especially a kind of ureter sheath with controlled deflection function.
Background technology
Referring to Fig.1, left-end components are ureter sheath 1 ' (including soft sheath or hard sheath) common at present, are mainly used for through urine
Road, ureter carry out establishing channel use when Upper urinary tract operation, and purpose and effect are：
1, facilitate surgical instrument for example soft or rigid endoscope 9 enter repeatedly through ureter sheath 1 ' reach in vivo upper urinary tract into
Row operation, avoiding surgical instrument, entry/exit ureter causes to damage repeatedly；
2, after establishing channel with ureter sheath 1 ', surgical instrument faster can reach Upper urinary tract operation portion through ureter sheath 1 '
It performs the operation position；
3, due to keeping getting a clear view in operation, the continuous underwent operative instrument of flushing liquor is needed to be flushed into vivo, it can be sharp
Flushing liquor is drained outside body with sheath and instrument gap, prevents renal plevis high pressure from causing urine source sexuality dye and kidney injury.
But due to traditional ureter sheath 1 ', sheath is rigid tube body or flexible pipe body merely, for part ureter
Serious circuitous curved patient, possibly can not go directly target location when being placed in hard sheath, and when the soft sheath being placed in is oppressed by tissue
There can be offset, therefore indwelling ureter sheath 1 ' has certain difficulty in art, or even set sheath failure and influence operation safety；Separately
Outside for part calyceal calculus, especially lower calyx, existing ureter sheath 1 ' can not effectively reach kidney calices always, influence to establish logical
The validity in road influences safety, validity and the agility of operation.
On the other hand, it is applying surgical instrument for example soft or rigid endoscope 9 both at home and abroad at present, is being carried out through ureter sheath 1 '
When kidney surgery, the controlled deflection function that can be carried by ureterorenoscope itself, realization is sought in kidney aggregation system
Calculus is looked for, but what it also can only be in the same plane swings up and down realization turning, therefore hand is influenced there are certain blind area in operation
Art effect；And ureterorenoscope is easy to be shifted by the compressing of tissue, and repetitive control bending is needed in operation
It can correct in place, be easy to cause the damage of Servo Control device, influence operation safety and increase operation cost.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of ureter sheath with controlled deflection function.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of ureter sheath with controlled deflection function, ureter sheath include operate shank and front stretch out it is hollow
There is interlayer, the interlayer to be built-in with wire drawing for tubulose sheath, the tube wall for constituting the tubulose sheath；The tubulose sheath latter end shape
At deformation section, the operation shank is equipped with control mechanism, and the control mechanism is connect by wire drawing with the deformation section, makes described
Deformation section realizes bending under the linkage of control mechanism.
Penetrating via is equipped in the tube wall interlayer of the tubulose sheath, the penetrating via is located at described deformation section one end
Opening sealing is equipped with glass cover-slip, and internal merging has biography as system.
The interlayer can be one or more channels in the tube wall.
The control mechanism is push type spanner.
The control mechanism is rotary type knob.
The control mechanism is swing type rocking bar, and the bending direction phase of the swaying direction of the rocking bar and the deformation section
Together.
The beneficial effects of the invention are as follows：
(1) deformation that bending can be realized under the linkage of control mechanism by making hollow tubular ureter sheath latter end have
Section, more can accurately, effectively establish operation path, and operation is safer, convenient；
(2) controlled deflection of the controlled deflection cooperation ureterorenoscope of ureter sheath, makes to can be achieved in operation secondary curved
Bent and multi-direction bending, reduces the blind area of ureterorenoscope, increases effective range of operation, and operation means are more effective, improves hand
Art safety.
(3) ureter sheath of the invention, can coordinate ureterorenoscope to use, to reduce ureterorenoscope
Corner frequency extends endoscope service life, reduces medical treatment cost.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of existing ureter sheath and ureterorenoscope；
Fig. 2 is the first embodiment of the present invention；
Fig. 3 is the schematic cross-section of the present invention；
Fig. 4 is another schematic cross-section of the invention；
Fig. 5 is the usage state diagram that the present invention is combined with endoscope；
Fig. 6 is the second embodiment of the present invention；
Fig. 7 is the third embodiment of the present invention；
Fig. 8 is the enlarged view at A in Fig. 7.
Specific implementation mode
With reference to Fig. 2, for a kind of ureter sheath with controlled deflection function of the present invention, ureter sheath 1 includes lever
The soft or rigid sheath 3 in hollow tubular is stretched out in portion 2 and front.In use, surgical instrument is for example soft or rigid endoscope 9
It can be by being retained in the operation shank 2 of human external, the sheath 3 through being placed in inside of human body enters.
Wherein, with reference to Fig. 3, Fig. 4, the tube wall of tubulose sheath 3 is constituted with interlayer 31, interlayer 31 can be one in tube wall
Or multiple channels, and interlayer 31 is made to be built-in with metal wire-drawing 4.And tubulose sheath end is equipped with deformation section 5, operation shank 2 is equipped with
Control mechanism 6, control mechanism 6 are connect by wire drawing 4 with deformation section 5, make deformation section 5 can be real under the linkage of control mechanism 6
Now be bent, bending it is various informative, as the list of specified single direction is curved or same plane on it is upper and lower double curved or even unlimited
The multi-direction bending of plane, curve form are determined by the different arrangements of interior metal wire drawing 4.
The ureter sheath 1 with controlled deflection function through the invention, performs the operation to the tortuous patient of ureter, or
Applied to per urethra, ureter carry out kidney surgery when, can be made by the adjusting of control mechanism 6 deformation section 5 realize bending, from
And pass through tortuous section of ureter and reach operative site, establish effective operation path.
The ureter sheath 1 of the present invention simultaneously, can coordinate ureterorenoscope to use, to reduce ureterorenoscope
Corner frequency, extend endoscope service life, reduce medical treatment cost.
In addition, with reference to Fig. 5, ureterorenoscope 9 itself has controlled deflection function, and according to the need in operation
It wants, in conjunction with the controlled deflection function of ureter sheath 1, the starting point of ureterorenoscope 9 its controllable bending tune 91 and flat can be changed
Face realizes second order buckling and multi-direction bending, reduces the blind area of ureterorenoscope, increase effective range of operation, operation means are more
It is effective, improves operation safety.
The control mechanism 6 for controlling bending can be push type spanner, according to the pressing dynamics and angle of spanner, control when use
The bending degree of deformation section 5, it is more intuitive controllable, it is more accurate to the position control for reaching human body needed for bending.
It is the second embodiment of the present invention with reference to Fig. 6.Rotary type knob can also be used in the control mechanism 6 of ureter sheath 1
Structure, by the way that individually stretching or annular sleeve are realized mounted in the knob of operation shank 2 to 5 bending degree of deformation section to operation shank 2
Control, structure is more simple, and manufacturing cost is low.
It is the third embodiment of the present invention in addition, with reference to Fig. 7.Control mechanism 6 is also swing type rocking bar, and the pendulum of rocking bar
Dynamic direction is identical as the bending direction of deformation section 5, and operation is more intuitive, is avoided as much as operation error, ensures operation safety.
With reference to Fig. 8, further, penetrating via 7, the penetrating via 7 are equipped in the tube wall interlayer 31 of tubulose sheath 3
Opening sealing positioned at 5 one end of the deformation section is equipped with glass cover-slip, biography picture of the internal merging just like devices such as coherent fiber bundles
System 8, to constitute visual ureter sheath.In use, the operational circumstances for stretching into internal surgical instrument can be observed directly, carry
High operation safety；It, can be direct without ureterorenoscope cooperation even for being accessible to individually and smaller kidney stone
It is placed in holmium micro optical fiber and soft ultrasonic rubble bar carries out rubble, clear stone, reduce endoscope utilization rate, reduce operation cost and difficulty
Degree.
The ureter sheath with controlled deflection function of the present invention can more effectively establish operation path, reduce hand
Operation safety is improved in art blind area, and operation has a wide range of application, and has important medicine and economic implications.
Claims (6)
1. a kind of ureter sheath with controlled deflection function, ureter sheath (1) includes that operation shank (2) and front are stretched out
Hollow tubular sheath (3), it is characterised in that：The tube wall for constituting the tubulose sheath (3) has interlayer (31), the interlayer (31)
It is built-in with wire drawing (4)；Tubulose sheath (3) latter end forms deformation section (5), and the operation shank (2) is equipped with control mechanism
(6), the control mechanism (6) is connect by wire drawing (4) with the deformation section (5), makes the deformation section (5) in control mechanism
(6) bending is realized under linkage.
2. ureter sheath according to claim 1, it is characterised in that：In the tube wall interlayer (31) of the tubulose sheath (3)
Equipped with penetrating via (7), the opening sealing that the penetrating via (7) is located at the deformation section (5) one end is equipped with glass cover-slip,
Its internal merging has biography as system (8).
3. ureter sheath according to claim 1, it is characterised in that：The interlayer (31) can be one in the tube wall
Or multiple channels.
4. ureter sheath according to claim 1, it is characterised in that：The control mechanism (6) is push type spanner.
5. ureter sheath according to claim 1, it is characterised in that：The control mechanism (6) is rotary type knob.
6. ureter sheath according to claim 1, it is characterised in that：The control mechanism (6) is swing type rocking bar, and institute
The swaying direction for stating rocking bar is identical as the bending direction of the deformation section (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116141.XA CN108618827A (en) | 2017-11-13 | 2017-11-13 | A kind of ureter sheath with controlled deflection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116141.XA CN108618827A (en) | 2017-11-13 | 2017-11-13 | A kind of ureter sheath with controlled deflection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108618827A true CN108618827A (en) | 2018-10-09 |
Family
ID=63705788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711116141.XA Pending CN108618827A (en) | 2017-11-13 | 2017-11-13 | A kind of ureter sheath with controlled deflection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108618827A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742675A (en) * | 2019-11-25 | 2020-02-04 | 张保 | Ureter soft lens integrated with lens and sheath |
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
| WO2024078194A1 (en) * | 2022-10-09 | 2024-04-18 | 上海市闵行区中心医院 | Rigid ureteroscope with dual-chamber working channel |
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|---|---|---|---|---|
| CN101019756A (en) * | 2006-08-10 | 2007-08-22 | 陈志强 | Soft uretero-renoscope with hard sheath |
| CN102921089A (en) * | 2012-11-07 | 2013-02-13 | 南通伊诺精密塑胶导管有限公司 | Bending catheter with controllable head and used for interventional therapy |
| CN103393395A (en) * | 2012-12-05 | 2013-11-20 | 中国人民解放军第二军医大学 | Ureteroscope with extensible sheath with bendable tail end |
| CN103405261A (en) * | 2013-07-19 | 2013-11-27 | 杭州好克光电仪器有限公司 | Ureter nephroscope with bendable head end |
| CN103446655A (en) * | 2013-09-04 | 2013-12-18 | 杭州启明医疗器械有限公司 | Deflectable sheathing canal and delivery system with deflectable sheathing canal |
| CN203763045U (en) * | 2014-03-19 | 2014-08-13 | 东莞全球鹰医疗科技有限责任公司 | Flexible and rigid integrated ureteroscope |
| JP2015164496A (en) * | 2014-03-03 | 2015-09-17 | 株式会社八光 | Sheath tube for soft endoscope |
| CN105286775A (en) * | 2015-10-12 | 2016-02-03 | 程细高 | Flexible transforaminal endoscope provided with telescopic sheath |
| CN107320140A (en) * | 2017-08-07 | 2017-11-07 | 武汉佑康科技有限公司 | A kind of endoscope working sheath for urological surgery |
| CN208464197U (en) * | 2017-11-13 | 2019-02-05 | 江门市鸿想医疗器械科技有限公司 | A kind of ureter sheath with controlled deflection function |
-
2017
- 2017-11-13 CN CN201711116141.XA patent/CN108618827A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019756A (en) * | 2006-08-10 | 2007-08-22 | 陈志强 | Soft uretero-renoscope with hard sheath |
| CN102921089A (en) * | 2012-11-07 | 2013-02-13 | 南通伊诺精密塑胶导管有限公司 | Bending catheter with controllable head and used for interventional therapy |
| CN103393395A (en) * | 2012-12-05 | 2013-11-20 | 中国人民解放军第二军医大学 | Ureteroscope with extensible sheath with bendable tail end |
| CN103405261A (en) * | 2013-07-19 | 2013-11-27 | 杭州好克光电仪器有限公司 | Ureter nephroscope with bendable head end |
| CN103446655A (en) * | 2013-09-04 | 2013-12-18 | 杭州启明医疗器械有限公司 | Deflectable sheathing canal and delivery system with deflectable sheathing canal |
| JP2015164496A (en) * | 2014-03-03 | 2015-09-17 | 株式会社八光 | Sheath tube for soft endoscope |
| CN203763045U (en) * | 2014-03-19 | 2014-08-13 | 东莞全球鹰医疗科技有限责任公司 | Flexible and rigid integrated ureteroscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742675A (en) * | 2019-11-25 | 2020-02-04 | 张保 | Ureter soft lens integrated with lens and sheath |
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
| CN113855161B (en) * | 2021-10-27 | 2023-06-23 | 纯派生活武汉科技有限公司 | Ureteral soft lens sheath and continuous circulation type perfusion and suction system |
| WO2024078194A1 (en) * | 2022-10-09 | 2024-04-18 | 上海市闵行区中心医院 | Rigid ureteroscope with dual-chamber working channel |
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Effective date of registration: 20201028 Address after: Building 7, No. 16, Huangzhuang Avenue West, Pengjiang district, Jiangmen City, Guangdong Province Applicant after: Jiangmen Shuotong medical equipment Technology Co., Ltd Address before: 529030 1 buildings of No. 198 Tianhe Middle Road, Pengjiang District, Jiangmen, Guangdong fourth, 401, fifth, sixth layers. Applicant before: JIANGMEN HONGXIANG MEDICAL DEVICE TECHNOLOGY Co.,Ltd. |