CN104287688A - Front-end-pressurized siphon extension type endoscope catheter propelling unit - Google Patents

Front-end-pressurized siphon extension type endoscope catheter propelling unit Download PDF

Info

Publication number
CN104287688A
CN104287688A CN201410619989.4A CN201410619989A CN104287688A CN 104287688 A CN104287688 A CN 104287688A CN 201410619989 A CN201410619989 A CN 201410619989A CN 104287688 A CN104287688 A CN 104287688A
Authority
CN
China
Prior art keywords
film
pipe
wall
main body
boss
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.)
Granted
Application number
CN201410619989.4A
Other languages
Chinese (zh)
Other versions
CN104287688B (en
Inventor
王禄科
范晓琛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410619989.4A priority Critical patent/CN104287688B/en
Publication of CN104287688A publication Critical patent/CN104287688A/en
Application granted granted Critical
Publication of CN104287688B publication Critical patent/CN104287688B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00066Proximal part of endoscope body, e.g. handles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00131Accessories for endoscopes
    • A61B1/00133Drive units for endoscopic tools inserted through or with the endoscope
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00147Holding or positioning arrangements
    • A61B1/00154Holding or positioning arrangements using guiding arrangements for insertion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/00296Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003Steerable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003Steerable
    • A61B2017/00318Steering mechanisms

Abstract

The invention discloses a front-end-pressurized siphon extension type endoscope catheter propelling unit which comprises a siphon and an endoscope catheter main body, and further comprises a tubular handle bar, wherein the endoscope catheter main body is provided with a ring-shaped membrane clamping boss; the inner end of the siphon is fixed on the endoscope catheter main body in a sealing manner; the outer end of the siphon is connected with a liquid injection seat located behind the ring-shaped membrane clamping boss; a membrane clamping ring is arranged in front of the ring-shaped membrane clamping boss; the siphon bypasses the membrane clamping ring and turns back to form a siphon inner wall and a siphon outer wall; the tubular handle bar is connected with the membrane clamping ring and used for pulling the membrane clamping ring to clamp the siphon inner wall on the ring-shaped membrane clamping boss; when the membrane clamping ring clamps the siphon inner wall on the ring-shaped membrane clamping boss, the endoscope catheter propelling unit main body is pushed to drive the siphon inner wall to extend forwards to translate into the siphon outer wall. In the process of entering and exiting the endoscope, the catheter is not in contact with the cavity wall, so that the cavity wall is prevented from being damaged and pulled.

Description

Front end adds press mold pipe extending endoscopic catheters propulsion plant
 
Technical field
The present invention relates to a kind of endoscope's propulsion plant as medical apparatus and instruments.Be mainly used in the digestive tract such as intestinal, esophagus, stomach, trachea, endoscope's noinvasive of ureter etc. imports.
Technical background
Existing endoscope directly contacts between endoscopic catheters with chamber wall (such as intestinal wall) in advancing, and is sliding friction mode each other.Its major defect is: in turnover endoscopic procedure, between conduit and chamber wall, frictional force is comparatively large, and strengthens along with the increasing of penetration depth, is easy to damage chamber wall mucosa; Conduit is comparatively large to chamber wall drag force, easily produces rigid contusion.Under serious conditions, because spasm causes splanchnoscopy to proceed.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of front end to add press mold pipe extending endoscopic catheters propulsion plant, in turnover endoscopic procedure, does not contact between conduit with chamber wall, to avoid damage or to pull chamber wall.
In order to solve the problems of the technologies described above, present invention employs following technical scheme.
Front end adds press mold pipe extending endoscopic catheters propulsion plant, it is characterized in that: comprise film pipe and be provided with the endoscopic catheters main body of annular snap film boss; The inner of described film pipe is closed and is fixed in endoscopic catheters main body, and outer end is connected with the liquid injection seat being positioned at annular snap film boss rear; Annular snap film boss front is provided with a card zona, and card zona inflection formation film inside pipe wall and film pipe outer wall backward walked around by described film pipe; Also comprise and to be connected with card zona and for pulling card zona film inside pipe wall to be clamped on handlebar on annular snap film boss; When film inside pipe wall is clamped on annular snap film boss by card zona, promotion endoscopic catheters main body drives film inside pipe wall to extend forward and is converted into film pipe outer wall; The pipe outer wall of endoscopic catheters main body is coated with the binding agent that can be dissolved in the liquid injected from liquid injection seat; Described handlebar is tubulose, it front end be provided with fluid issuing, rear end is provided with fluid-infusing port.
Also comprise the liquid shutoff being enclosed within endoscopic catheters main body slidably, this liquid shutoff is positioned at liquid injection seat rear; Be provided with telescopic tube between liquid shutoff and liquid injection seat, telescopic tube front end is connected with liquid injection seat; Described the inner is positioned at annular snap film boss rear, film pipe from the inner begin to extend back to turn up again after one section extend forward beyond annular snap film boss after after card zona turns up, extand rearward to liquid injection seat again; Closed lubricating fluid space is formed between film pipe and endoscopic catheters main body, between film pipe and telescopic tube and between the two membranes pipe walking around card zona in liquid injection seat front; Handlebar rear end passes from liquid shutoff.
Described telescopic tube is bellows fashion, and corrugated tube should meet following requirement: when bearing internal flow maximum set pressure, and corrugated tube still can be capable of expansion and contraction.
Liquid injection seat is chewed with the fluid injection for connecting impregnator or time liquid container.
Good effect of the present invention is: in (1), turnover endoscopic procedure, do not contact, also can not produce relative sliding friction between conduit with chamber wall.In endoscope's advance and retreat process, utilize existing endoscope to act on film pipe, drive membrane pipe folds feed compensation and advances, and progressively extends and realizes retreating, and film pipe rolls along chamber wall and extends.Therefore avoid endoscope in advance and retreat process and, to the damage of chamber wall or pulling, achieve noninvasive test, alleviate patient suffering.
(2), endoscopic catheters main body is in all the time among lubricating fluid and runs, drag minimization, and it is more soft that catheter main body can do.
(3), endoscope can directly entirety exit, and improves and checks and the efficiency of operation.
(4), endoscope main body drive membrane pipe folds feed compensation and advances, and therefore the turnover process of endoscope by the mechanism such as sacculus, sucker, thus need not simplify endoscope structure, correspondingly increases sight glass cavity free space.
(5) on the pipe outer wall of endoscopic catheters main body, be coated with the binding agent that can be dissolved in the liquid injected from liquid injection seat.The film pipe of inner side is over the binder layer bonding, in progradation, film pipe is dissociated to front gradually by rear, simultaneously, binding agent is by dissolving in fluid injection body, avoid the pipe outer wall of endoscopic catheters main body and institute's fluid injection external side pipe wall or the mutual adhesion of film pipe, do not affect the turnover operation of endoscopic catheters main body, film pipe in progradation is followed up more in an orderly manner.
(6), handlebar is tubulose, it front end be provided with fluid issuing, rear end is provided with fluid-infusing port.In handlebar, liquid or gas is injected by fluid-infusing port, liquid or gas enter into the front end in lubricating fluid space through fluid issuing, i.e. annular snap film boss anterior position, this place's film inside pipe wall is caved in endoscope's catheter main body side, being conducive to card zona is pulled rearward to annular snap film boss swimmingly, for next advances circulation to prepare.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
As Fig. 1, basic structure of the present invention is as follows: it comprises film pipe 1 and is provided with the endoscopic catheters main body 7 of annular snap film boss 3; The inner 4 of described film pipe 1 is closed and is fixed on the outer wall of endoscopic catheters main body 7, and outer end is connected with the liquid injection seat 5 being positioned at annular snap film boss 3 rear; Annular snap film boss 3 front is provided with a card zona 2, and card zona 2 inflection formation film inside pipe wall and film pipe outer wall backward walked around by described film pipe 1; Also comprise and to be connected with card zona 2 and for pulling card zona 2 film inside pipe wall to be clamped on handlebar 9 on annular snap film boss 3; Described handlebar 9 is tubulose, it front end be provided with fluid issuing, rear end is provided with fluid-infusing port.When film inside pipe wall is clamped on annular snap film boss 3 by card zona 2, promotion endoscopic catheters main body 7 drives film inside pipe wall to extend forward and is converted into film pipe outer wall.After take out endoscopic catheters main body 7 time card zona 2 there is the effect of support membrane pipe.
Liquid injection seat 5 chews 5-1 with fluid injection, and 5-1 is chewed in fluid injection two effects: the first, connect impregnator and be used in lubricating fluid space 10, inject the liquid with lubrication; The second, connect back liquid container, for from drain in lubricating fluid space 10 or gas to regulate the pressure in lubricating fluid space 10.
According to this basic structure, in progradation, endoscopic catheters main body 7 except annular snap film boss 3 to camera lens position is in all the time within film pipe 1 and does not contact with chamber wall, and extended forward by film inside pipe wall and be progressively converted into film pipe outer wall, achieve hurtless measure operation endoscopic catheters being advanced to inspection, operative site.
Still as Fig. 1, the concrete structure of the embodiment of the present invention is: it comprises endoscopic catheters main body 7, and endoscopic catheters main body 7 is provided with annular snap film boss 3.Also comprise and to be enclosed within outside endoscopic catheters main body 7 and to be positioned at the card zona 2 in annular snap film boss 3 front.Also comprise and to be enclosed within outside endoscopic catheters main body 7 and to be positioned at the liquid injection seat 5 at annular snap film boss 3 rear, liquid injection seat 5 is provided with fluid injection and chews 5-1.Also comprise the liquid shutoff 8 being enclosed within endoscopic catheters main body 7 slidably, this liquid shutoff 8 is positioned at liquid injection seat 5 rear.Telescopic tube 6 is provided with between liquid shutoff 8 and liquid injection seat 5.Described telescopic tube 6 is bellows fashion, and corrugated tube should meet following requirement: when bearing internal flow maximum set pressure, and corrugated tube still can be capable of expansion and contraction.The method reaching this requirement is the pipe thickness suitably thickening telescopic tube 6, also can adopt alternate manner.
Short distance enters the place of mirror, also can not establish telescopic tube 6, and liquid shutoff 8 is directly connected with liquid injection seat 5.
Also comprise the film pipe 1 be enclosed within outside endoscopic catheters main body 7, the inner 4 of film pipe 1 is closed and is fixed in endoscopic catheters main body 7, this the inner 4 is positioned at annular snap film boss 3 rear, film pipe 1 from inner 4 begin to extend back to turn up again after one section extend forward beyond annular snap film boss 3 after extend back again after card zona 2 turns up, outer end is connected with liquid injection seat 5.Closed lubricating fluid space 10 is formed between film pipe 1 and endoscopic catheters main body 7, between film pipe 1 and telescopic tube 6 and between the two membranes pipe walking around card zona 2 in liquid injection seat 5 front.Chew 5-1 by the fluid injection on liquid injection seat 5 during use in described lubricating fluid space 10, inject the liquid with lubrication.
Also comprise front end to be connected with card zona 2, the handlebar 9 that rear end passes from liquid shutoff 8.Described handlebar 9 is tubulose, it front end be provided with fluid issuing, rear end is provided with fluid-infusing port.
Be respectively equipped with hydrodynamic reciprocating sealing mechanism (such as spring sealed circle) between liquid shutoff 8 and handlebar 9 and between liquid shutoff 8 and endoscopic catheters main body 7, flow out to avoid the liquid in lubricating fluid space 10.
During use, pull back card zona 2 by handlebar 9, the film pipe extruding inside it is clamped on annular snap film boss 3 by card zona 2, driven forward endoscopic catheters main body 7 under gripping orientation; Card zona 2 is motionless, backward endoscopic catheters main body 7 is withdrawn certain distance; In handlebar, inject appropriate amount of fluid or gas by fluid-infusing port, liquid or gas enter into the front end in lubricating fluid space through fluid issuing, i.e. annular snap film boss anterior position, and this place's film inside pipe wall is caved in endoscope's catheter main body side; Again pull back card zona 2 by handlebar 9, so repeat, until endoscopic catheters is advanced to inspection, operative site.In progradation, endoscopically catheter main body 7 advances, and progressively pushes ahead telescopic tube 6.
First make telescopic tube 6 retreat when exiting, then endoscopic catheters main body 7 is pulled back.
In order to make film pipe follow up more in an orderly manner in progradation, the pipe outer wall of endoscopic catheters main body 7 is coated with the binding agent that can be dissolved in the liquid injected from liquid injection seat 5.The film pipe of inner side is over the binder layer bonding, in progradation, film pipe is dissociated to front gradually by rear, simultaneously, binding agent is by dissolving in fluid injection body, avoid the pipe outer wall of endoscopic catheters main body 7 and institute's fluid injection external side pipe wall or the mutual adhesion of film pipe, affect the turnover operation of endoscopic catheters main body 7.
The present invention is mainly used in the digestive tract such as intestinal, esophagus, stomach, trachea, and the endoscope of ureter etc. imports.Described chamber wall refers to corresponding inner-walls of duct.

Claims (4)

1. front end adds press mold pipe extending endoscopic catheters propulsion plant, it is characterized in that: comprise film pipe (1) and be provided with the endoscopic catheters main body (7) of annular snap film boss (3); The inner (4) of described film pipe (1) is closed and is fixed in endoscopic catheters main body (7), and outer end is connected with the liquid injection seat (5) being positioned at annular snap film boss (3) rear; Annular snap film boss (3) front is provided with a card zona (2), and described film pipe (1) walks around card zona (2) inflection formation film inside pipe wall and film pipe outer wall backward; Also comprise and to be connected with card zona (2) and for pulling card zona (2) film inside pipe wall to be clamped on handlebar (9) on annular snap film boss (3); When film inside pipe wall is clamped on annular snap film boss (3) by card zona (2), promotion endoscopic catheters main body (7) drives film inside pipe wall to extend forward and is converted into film pipe outer wall; The pipe outer wall of endoscopic catheters main body (7) is coated with the binding agent that can be dissolved in the liquid injected from liquid injection seat (5); Described handlebar (9) is tubulose, it front end be provided with fluid issuing, rear end is provided with fluid-infusing port.
2. front end as claimed in claim 1 adds press mold pipe extending endoscopic catheters propulsion plant, and it is characterized in that: also comprise the liquid shutoff (8) being enclosed within endoscopic catheters main body (7) slidably, this liquid shutoff (8) is positioned at liquid injection seat (5) rear; Be provided with telescopic tube (6) between liquid shutoff (8) and liquid injection seat (5), telescopic tube (6) front end is connected with liquid injection seat (5); Described the inner (4) is positioned at annular snap film boss (3) rear, film pipe (1) from inner (4) begin to extend back to turn up again after one section extend forward beyond annular snap film boss (3) after after card zona (2) turns up, extand rearward to liquid injection seat (5) again; Closed lubricating fluid space (10) is formed between film pipe (1) and endoscopic catheters main body (7), between film pipe (1) and telescopic tube (6) and between the two membranes pipe walking around card zona (2) in liquid injection seat (5) front; Handlebar (9) rear end passes from liquid shutoff (8).
3. front end as claimed in claim 2 adds press mold pipe extending endoscopic catheters propulsion plant, it is characterized in that: described telescopic tube (6) is bellows fashion, corrugated tube should meet following requirement: when bearing internal flow maximum set pressure, and corrugated tube still can be capable of expansion and contraction.
4. the front end as described in claim 1 or 2 or 3 adds press mold pipe extending endoscopic catheters propulsion plant, it is characterized in that: liquid injection seat (5) is chewed (5-1) with the fluid injection for connecting impregnator or time liquid container.
CN201410619989.4A 2014-11-07 2014-11-07 Front end adds press mold pipe extending endoscopic catheters propulsion plant Expired - Fee Related CN104287688B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410619989.4A CN104287688B (en) 2014-11-07 2014-11-07 Front end adds press mold pipe extending endoscopic catheters propulsion plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410619989.4A CN104287688B (en) 2014-11-07 2014-11-07 Front end adds press mold pipe extending endoscopic catheters propulsion plant

Publications (2)

Publication Number Publication Date
CN104287688A true CN104287688A (en) 2015-01-21
CN104287688B CN104287688B (en) 2015-11-11

Family

ID=52307833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410619989.4A Expired - Fee Related CN104287688B (en) 2014-11-07 2014-11-07 Front end adds press mold pipe extending endoscopic catheters propulsion plant

Country Status (1)

Country Link
CN (1) CN104287688B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001924A1 (en) * 1986-09-12 1988-03-24 Raychem Corporation Manipulator
CN1053357A (en) * 1990-01-15 1991-07-31 张赋功 Turtle neck type telescopic bag
US5171305A (en) * 1991-10-17 1992-12-15 Imagyn Medical, Inc. Linear eversion catheter with reinforced inner body extension
WO1997032515A1 (en) * 1996-03-04 1997-09-12 Pliant Endoscopic Instruments Ltd. Endoscopic device
CA2231761A1 (en) * 1997-04-23 1998-10-23 Stm Medizintechnik Starnberg Gmbh Roll back tube system
CA2235643A1 (en) * 1997-11-03 1999-05-03 Stm Medizintechnik Starnberg Gmbh Roll-back tube device for an endoscopy apparatus
EP2554141A1 (en) * 2011-08-02 2013-02-06 Cook Medical Technologies LLC Delivery device having a variable diameter introducer sheath

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001924A1 (en) * 1986-09-12 1988-03-24 Raychem Corporation Manipulator
CN1053357A (en) * 1990-01-15 1991-07-31 张赋功 Turtle neck type telescopic bag
US5171305A (en) * 1991-10-17 1992-12-15 Imagyn Medical, Inc. Linear eversion catheter with reinforced inner body extension
WO1997032515A1 (en) * 1996-03-04 1997-09-12 Pliant Endoscopic Instruments Ltd. Endoscopic device
CA2231761A1 (en) * 1997-04-23 1998-10-23 Stm Medizintechnik Starnberg Gmbh Roll back tube system
CA2235643A1 (en) * 1997-11-03 1999-05-03 Stm Medizintechnik Starnberg Gmbh Roll-back tube device for an endoscopy apparatus
EP2554141A1 (en) * 2011-08-02 2013-02-06 Cook Medical Technologies LLC Delivery device having a variable diameter introducer sheath

Also Published As

Publication number Publication date
CN104287688B (en) 2015-11-11

Similar Documents

Publication Publication Date Title
CN203749527U (en) Ring sleeve type double-J pipe removing device
CN103861159B (en) Urine educing device with bent hollow guide head
CN102500008A (en) Self-propelled enema tube and use method thereof
CN209221292U (en) A kind of splanchnocoel catheter drainage device
CN201533858U (en) Multifunctional rotary scalpel for nasal cavity operation
CN104287688B (en) Front end adds press mold pipe extending endoscopic catheters propulsion plant
CN104207748B (en) Film pipe extending endoscopic catheters propulsion plant
CN104207747B (en) Endoscopic catheters is moved about propulsion plant
CN201019893Y (en) Reversal catheter
CN201564463U (en) Colonoscope with improved structure
WO2016041435A1 (en) Free noninvasive endoscope pushing device
CN202892554U (en) Syringe needle
WO2021115420A1 (en) Negative-pressure stone removal sheath
CN203710521U (en) Lubricant injection device of urine eduction device
CN203724516U (en) Urine catheterization device with curved hollow catheter guide head
CN104287868B (en) In experiment made on the living rat reproductive tract, sexual cell send fetching to put
CN205434471U (en) Cyst aspirator
CN102078177A (en) Perfusion-driven colonoscope
CN214807296U (en) Lateral flushing pipe for enteroscope
CN204683537U (en) The extending endoscope with supporting mechanism advances film pipe
CN107398004A (en) One kind moves back pipe device
CN206424141U (en) Hose cryoprobe flexible pipe and cold head structure with seal wire guide device
CN214260173U (en) Gastric juice suction tube
CN203710527U (en) Guide core holder of urine eduction device
CN213372357U (en) Rotary side hole type ultrasonic endoscope puncture needle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151111

Termination date: 20181107