CN104707196A - Peritoneum dialysis apparatus - Google Patents

Peritoneum dialysis apparatus Download PDF

Info

Publication number
CN104707196A
CN104707196A CN201510131582.1A CN201510131582A CN104707196A CN 104707196 A CN104707196 A CN 104707196A CN 201510131582 A CN201510131582 A CN 201510131582A CN 104707196 A CN104707196 A CN 104707196A
Authority
CN
China
Prior art keywords
working solution
communicated
tank circuit
interface
kinetic pump
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
CN201510131582.1A
Other languages
Chinese (zh)
Other versions
CN104707196B (en
Inventor
郗传龙
吴建民
张禾蓉
田道芝
刘飞
杨金叶
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.)
Shanghai University of Engineering Science
Original Assignee
Shanghai University of Engineering Science
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 Shanghai University of Engineering Science filed Critical Shanghai University of Engineering Science
Priority to CN201510131582.1A priority Critical patent/CN104707196B/en
Publication of CN104707196A publication Critical patent/CN104707196A/en
Application granted granted Critical
Publication of CN104707196B publication Critical patent/CN104707196B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/28Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/28Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • A61M1/285Catheters therefor

Abstract

The invention discloses a peritoneum dialysis apparatus which comprises a pipeline assembly and a power assembly. The pipeline assembly comprises a cassette base body and a tectorial membrane adhered to the upper surface of the cassette base body. The cassette base body is provided with upgoing slot ways used for circulation of working solution, downgoing slot ways, vertical pipelines, buffer slots A used for diversion of the working solution, buffer slots B used for inflow or outflow of the working solution, reversing control switches used for controlling on-off of the working solution, a connector used for being communicated with heating solution, a connector used for being communicated with a drainage tube, a connector used for being communicated with supplement solution, a connector used for being communicated with the last bag of working solution, a connector used for being communicated with the peritoneal cavity of a patient, and connectors used for being communicated with power pumps. The power assembly comprises a shell and the power pumps, slot ways which are communicated with the connectors at the bottom of the cassette base body and the power pumps are formed in the portion, bonded with the bottom of the cassette base body, of the surface of the shell. By means of the peritoneum dialysis apparatus, the pipeline structure used for peritoneum dialysis is greatly simplified, and each working process of the peritoneum dialysis can be achieved accurately, so that the miniaturization and the portability of the peritoneum dialysis apparatus can be achieved, and the production cost and the usage cost are reduced obviously.

Description

A kind of peritoneal dialysis instrument
Technical field
The present invention relates to a kind of peritoneal dialysis instrument, belongs to technical field of medical instruments.
Background technology
Now, end stagerenaldisease (end-stage renal disease, ESRD) patient numbers continues to increase, and peritoneal dialysis (being called for short abdomen saturating, peritoneal dialysis, PD) is one of main replacement therapy method of ESRD.Peritoneal dialysis utilizes the peritoneum of human body self as a kind of dialysis of dialyzer, the exchange of solute and moisture is carried out by the plasma fraction in the blood capillary of the dialysis solution and peritoneum opposite side that pour into abdominal cavity, with the metabolite of retention in purged body and too much moisture, supplement the necessary material of body by dialysis solution simultaneously; By constantly upgrading peritoneal dialysis liquid, reaching kidney and substituting or the object of Supporting Therapy.Peritoneal dialysis, as one therapeutic modality at home, has a lot of particular advantages, such as: residual renal function decrease speed is comparatively slow, can protect residual renal function, generally can not occur that residual renal function is lost too early; Haemodynamic stabilization; Medium molecular substance is removed better; Patient has more independent sum therapeutic modality freely; Cross-infection rate is lower; The medical resource taken is less; Medical expense is low.
But there is pipeline structure complexity in existing peritoneal dialysis instrument, take volume large, carry inconvenience, the defect such as the high or flow speed control of cost is not accurate, such as: a kind of full-automatic intelligent peritoneal dialysis instrument for renal failure disclosed in Chinese patent CN200410028087.X, it comprises the temperature weighing-up wave examine and debug unit based on PIC single chip microcomputer, PLC control device, IC card system, peristaltic pump and dialysis solution pipe-line system are interconnected composition, peristaltic pump and seven electromagnetic valves are installed in dialysis solution pipeline, wherein, dialysis solution pipeline is by internal diameter 4 millimeters, the plastics sebific duct of external diameter 6 millimeters, 3 three way cock, 1 five-way joint, 5 pipe joints, 1 abdominal cavity joint, 4 transfusion bag and 1 waste fluid bag composition, there is pipeline structure complexity, take volume large, carry the defects such as inconvenient.
Summary of the invention
In view of the foregoing defects the prior art has, the object of this invention is to provide a kind of pipeline structure simple, take that volume is little, easy to carry, cost is low and flow speed control peritoneal dialysis instrument accurately.
For achieving the above object, the present invention adopts following technical scheme:
A kind of peritoneal dialysis instrument, comprise pipeline assembly and Power Component, it is characterized in that: described pipeline assembly comprises card casket matrix and covers the overlay film at card casket body upper surface, described card casket matrix is provided with the up tank circuit for working solution circulation and the descending tank circuit and the vertical pipeline being communicated with the up tank circuit and the descending tank circuit, the dashpot A for working solution shunting is provided with in the intersection of the up tank circuit, the up tank circuit of each section is all at least provided with one for the dashpot B of working solution entry/exit and the commutation control switch for controlling working solution break-make, be provided with at the sidepiece of described card casket matrix and be respectively used to be communicated with heating fluid, drainage tube, replenisher, most end bag working solution, the interface of abdominal cavity of patients, the interface for being communicated with kinetic pump is provided with in the bottom of described card casket matrix, described Power Component comprises housing and kinetic pump, and the surface of shell mutually bonding with card casket base bottom is provided with the tank circuit for being communicated with card casket base bottom interface and kinetic pump.
As a kind of preferred version, described commutation control switch-linear hybrid be communicated with the up tank circuit and the descending tank circuit vertical pipeline end, be positioned at the outside of overlay film.
As further preferred version, described commutation control switch is direct acting piston bidirectional electromagnetic valve.
As a kind of preferred version, the upper border line of described dashpot B is higher than the end of the vertical pipeline for working solution entry/exit being arranged on dashpot B inside.
As a kind of preferred version, described kinetic pump is two push-pull type syringe pumps.
Compared with prior art, the present invention is by adopting 3 D stereo interactive card casket circuit design, pipeline structure for peritoneal dialysis is simplified greatly, take volume significantly to reduce, not only be conducive to the microminiaturization and the lighting that realize peritoneal dialysis instrument, and make to produce and use cost obviously reduces, and flow velocity can be realized precisely control, there is significance progress and using value.
Accompanying drawing explanation
Fig. 1 is a kind of Power Component of peritoneal dialysis instrument of providing of the embodiment of the present invention and the structural representation of pipeline assembly;
Fig. 2 is the structural representation of pipeline assembly described in embodiment;
Fig. 3 is the perspective view of the casket of card described in embodiment matrix;
Fig. 4 be the casket of card described in embodiment matrix face structural representation;
Fig. 4 a is the view of working solution when A-A all closes to the commutation control switch of two in pipeline in the diagram;
Fig. 4 b be working solution in the diagram A-A to the commutation control switch one of two in pipeline open one close time view;
Fig. 4 c is the view of working solution when A-A all opens to the commutation control switch of two in pipeline in the diagram;
Fig. 5 a-5b is that working solution is interfaced to the workflow schematic diagram of abdominal cavity of patients's interface by heating fluid;
Fig. 6 a-6b is that working solution is interfaced to the workflow schematic diagram of drainage tube interface by abdominal cavity of patients;
Fig. 7 a-7b is that working solution is interfaced to the workflow schematic diagram of heating fluid interface by replenisher;
Fig. 8 a-8b is that working solution is interfaced to the workflow schematic diagram of heating fluid interface by most end bag working solution.
In figure: 1, card casket matrix; 11, the up tank circuit; 12, the descending tank circuit; 13, vertical pipeline; 14, for the dashpot A of working solution shunting; 15, for the dashpot B of working solution entry/exit; 16, commutation control switch; 17, interface; 171, heating fluid interface; 172, drainage tube interface; 173, replenisher interface; 174, most end bag working solution interface; 175, abdominal cavity of patients's interface; 176, interface A1; 177, interface A2; 178, interface B1; 179, interface B2; 2, overlay film; 3, Power Component; 31, housing; 32, kinetic pump A; 33, kinetic pump B; 34, for being communicated with the tank circuit A of card casket base bottom interface and kinetic pump A; 341, interface A1; 342, interface A2; 343, kinetic pump A interface; 35, for being communicated with the tank circuit B of card casket base bottom interface and kinetic pump B; 351, interface B1; 352, interface B2; 353, kinetic pump B interface.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in Figures 1 to 4: a kind of peritoneal dialysis instrument provided by the invention, comprise pipeline assembly and Power Component, described pipeline assembly comprises card casket matrix 1 and covers the overlay film 2 at card casket matrix 1 upper surface, described card casket matrix 1 is provided with the up tank circuit 11 for working solution circulation and the descending tank circuit 12 and the vertical pipeline 13 being communicated with the up tank circuit 11 and the descending tank circuit 12, the dashpot A14 for working solution shunting is provided with in the intersection of the up tank circuit 11, the up tank circuit of each section is all at least provided with a dashpot B15 for working solution entry/exit, the interface 171 being respectively used to be communicated with heating fluid is provided with at the sidepiece of described card casket matrix 1, the interface 172 of drainage tube, the interface 173 of replenisher, the interface 174 of most end bag working solution, the interface 175 of abdominal cavity of patients, the interface A1 176 for being communicated with kinetic pump is provided with in the bottom of described card casket matrix 1, interface A2 177, interface B1178, interface B2 179, described Power Component 3 comprises housing 31 and the kinetic pump A 32 be arranged in housing 31 and kinetic pump B33, the tank circuit A 34 for being communicated with card casket matrix 1 bottom interface A1176, A2 177 and kinetic pump A 32 is provided with on the surface of the housing 1 mutually bonding with the bottom of card casket matrix 1, described tank circuit A 34 is provided with the interface A1 341 be connected with interface A1 176, the interface A2 342 be connected with interface A2 177, the kinetic pump A interface 343 be connected with kinetic pump A 32, in like manner, the tank circuit B 35 for being communicated with card casket base bottom interface B1 178, B2 179 and kinetic pump B 33 is provided with on the surface of the housing 1 mutually bonding with the bottom of card casket matrix 1, described tank circuit B 35 is provided with the interface B1351 be connected with interface B1 178, the interface B2 352 be connected with interface B2 179, the kinetic pump B interface 353 be connected with kinetic pump B 33.
The upper border line of described dashpot B 15 higher than the end of the vertical pipeline 13 for working solution entry/exit being arranged on dashpot B 15 inside so that the working solution in dashpot B 15 is back in vertical pipeline 13 smoothly.
Described kinetic pump A 32 and kinetic pump B 33 all selects two push-pull type syringe pumps, is beneficial to control the high accuracy of working solution and reduce the volume of peritoneal dialysis instrument.
As shown in Figs. 4a-c: described commutation control switch 16 is arranged on the end of the vertical pipeline 13 being communicated with the up tank circuit 11 and the descending tank circuit 12, is positioned at the outside of overlay film 2.
By moving up and down of the commutation control switch 16 in control working solution circulation branch road, the control of working solution break-make can be realized, realized the flow rate regulation of working solution by the large I of the stroke moved up and down controlling commutation control switch 16.The advantages such as described commutation control switch 16 can be preferably direct acting piston bidirectional electromagnetic valve, has low in energy consumption, safe and reliable, to be swift in response.
Peritoneal dialysis generally can experience four flow processs, is respectively: heating fluid enter abdominal cavity of patients, dialysis waste liquid drained by abdominal cavity of patients, from supplementary bag suction operation liquid enter add hot interface, from most end bag, suction operation liquid enters and adds hot interface; Specific works flow process is as follows:
Fig. 5 a-5b is that working solution is interfaced to the workflow schematic diagram of abdominal cavity of patients's interface, in figure: D by heating fluid arepresent kinetic pump A, D brepresent kinetic pump B, kinetic pump A and kinetic pump B does alternately type of respiration motion; Wherein: Fig. 5 a be represent kinetic pump A pump chamber in be full of the emptying situation of pump chamber of heating fluid, kinetic pump B under, the heating fluid in pump chamber is exported to abdominal cavity of patients, kinetic pump B simultaneously by the workflow of heating fluid suction pump intracavity by kinetic pump A; Fig. 5 b is that under representing that the pump chamber of kinetic pump A is emptying, being full of heating fluid situation in the pump chamber of kinetic pump B, the heating fluid in pump chamber is exported to the workflow of abdominal cavity of patients by heating fluid suction pump intracavity, kinetic pump B by kinetic pump A simultaneously.
Fig. 6 a-6b is that working solution is interfaced to the workflow schematic diagram of drainage tube interface, in figure: D by abdominal cavity of patients arepresent kinetic pump A, D brepresent kinetic pump B, kinetic pump A and kinetic pump B does alternately type of respiration motion; Wherein: Fig. 6 a be represent kinetic pump A pump chamber in be full of the emptying situation of pump chamber of drainage-fluid, kinetic pump B under, the drainage-fluid in pump chamber is exported to drainage tube, kinetic pump B simultaneously from the workflow of abdominal cavity of patients's aspiration drainage liquid by kinetic pump A; Fig. 6 b is that under representing that the pump chamber of kinetic pump A is emptying, being full of drainage-fluid situation in the pump chamber of kinetic pump B, the drainage-fluid in pump chamber is exported to the workflow of drainage tube from abdominal cavity of patients's aspiration drainage liquid, kinetic pump B by kinetic pump A simultaneously.
Fig. 7 a-7b is that working solution is interfaced to the workflow schematic diagram of heating fluid interface, in figure: D by replenisher arepresent kinetic pump A, D brepresent kinetic pump B, kinetic pump A and kinetic pump B does alternately type of respiration motion; Wherein: Fig. 7 a be represent kinetic pump A pump chamber in be full of the emptying situation of pump chamber of replenisher, kinetic pump B under, the replenisher in pump chamber is exported to heating fluid interface, kinetic pump B simultaneously from the workflow of replenisher interface suction replenisher by kinetic pump A; Fig. 7 b is under representing that the pump chamber of kinetic pump A is emptying, being full of replenisher situation in the pump chamber of kinetic pump B, and the replenisher in pump chamber is exported to the workflow of heating fluid interface from replenisher interface suction replenisher, kinetic pump B by kinetic pump A simultaneously.
Fig. 8 a-8b is that working solution is interfaced to the workflow schematic diagram of heating fluid interface, in figure: D by most end bag working solution arepresent kinetic pump A, D brepresent kinetic pump B, kinetic pump A and kinetic pump B does alternately type of respiration motion; Wherein: Fig. 8 a be represent kinetic pump A pump chamber in be full of the emptying situation of pump chamber of working solution, kinetic pump B under, the working solution in pump chamber is exported to heating fluid interface, kinetic pump B simultaneously from the workflow of most end bag working solution interface suction operation liquid by kinetic pump A; Fig. 8 b is under representing that the pump chamber of kinetic pump A is emptying, being full of working solution situation in the pump chamber of kinetic pump B, and the working solution in pump chamber is exported to the workflow of heating fluid interface from most end bag working solution interface suction operation liquid, kinetic pump B by kinetic pump A simultaneously.
Visible in sum: the present invention is by adopting 3 D stereo interactive card casket circuit design, not only enormously simplify the pipeline structure for peritoneal dialysis, and precisely can realize each workflow of peritoneal dialysis, peritoneal dialysis instrument is made to realize microminiaturized and lighting, production and use cost can be made obviously to reduce, there is significance progress and using value.
Finally be necessary described herein: foregoing is only for being described in further detail technical scheme of the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.

Claims (5)

1. a peritoneal dialysis instrument, comprise pipeline assembly and Power Component, it is characterized in that: described pipeline assembly comprises card casket matrix and covers the overlay film at card casket body upper surface, described card casket matrix is provided with the up tank circuit for working solution circulation and the descending tank circuit and the vertical pipeline being communicated with the up tank circuit and the descending tank circuit, the dashpot A for working solution shunting is provided with in the intersection of the up tank circuit, the up tank circuit of each section is all at least provided with one for the dashpot B of working solution entry/exit and the commutation control switch for controlling working solution break-make, be provided with at the sidepiece of described card casket matrix and be respectively used to be communicated with heating fluid, drainage tube, replenisher, most end bag working solution, the interface of abdominal cavity of patients, the interface for being communicated with kinetic pump is provided with in the bottom of described card casket matrix, described Power Component comprises housing and kinetic pump, and the surface of shell mutually bonding with card casket base bottom is provided with the tank circuit for being communicated with card casket base bottom interface and kinetic pump.
2. peritoneal dialysis instrument according to claim 1, is characterized in that: described commutation control switch-linear hybrid be communicated with the up tank circuit and the descending tank circuit vertical pipeline end, be positioned at the outside of overlay film.
3. peritoneal dialysis instrument according to claim 1 and 2, is characterized in that: described commutation control switch is direct acting piston bidirectional electromagnetic valve.
4. peritoneal dialysis instrument according to claim 1, is characterized in that: the upper border line of described dashpot B is higher than the end of the vertical pipeline for working solution entry/exit being arranged on dashpot B inside.
5. peritoneal dialysis instrument according to claim 1, is characterized in that: described kinetic pump is two push-pull type syringe pumps.
CN201510131582.1A 2015-03-25 2015-03-25 A kind of peritoneal dialysis instrument Expired - Fee Related CN104707196B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510131582.1A CN104707196B (en) 2015-03-25 2015-03-25 A kind of peritoneal dialysis instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510131582.1A CN104707196B (en) 2015-03-25 2015-03-25 A kind of peritoneal dialysis instrument

Publications (2)

Publication Number Publication Date
CN104707196A true CN104707196A (en) 2015-06-17
CN104707196B CN104707196B (en) 2017-07-04

Family

ID=53407235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510131582.1A Expired - Fee Related CN104707196B (en) 2015-03-25 2015-03-25 A kind of peritoneal dialysis instrument

Country Status (1)

Country Link
CN (1) CN104707196B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411603A (en) * 1981-06-24 1983-10-25 Cordis Dow Corp. Diaphragm type blood pump for medical use
US20100241062A1 (en) * 2009-03-20 2010-09-23 Fresenius Medical Care Holdings, Inc. Medical fluid pump systems and related components and methods
CN101986776A (en) * 2007-10-12 2011-03-16 德卡产品有限公司 Apparatus and methods for hemodialysis
CN102497895A (en) * 2009-07-15 2012-06-13 弗雷塞尼斯医疗保健控股公司 Medical fluid cassettes and related systems and methods
CN103648540A (en) * 2011-04-21 2014-03-19 弗雷塞尼斯医疗保健控股公司 Medical fluid pumping systems and related devices and methods
US20140257176A1 (en) * 2002-07-19 2014-09-11 Baxter International Inc. Pumping systems for cassette-based dialysis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411603A (en) * 1981-06-24 1983-10-25 Cordis Dow Corp. Diaphragm type blood pump for medical use
US20140257176A1 (en) * 2002-07-19 2014-09-11 Baxter International Inc. Pumping systems for cassette-based dialysis
CN101986776A (en) * 2007-10-12 2011-03-16 德卡产品有限公司 Apparatus and methods for hemodialysis
US20100241062A1 (en) * 2009-03-20 2010-09-23 Fresenius Medical Care Holdings, Inc. Medical fluid pump systems and related components and methods
CN102497895A (en) * 2009-07-15 2012-06-13 弗雷塞尼斯医疗保健控股公司 Medical fluid cassettes and related systems and methods
CN103648540A (en) * 2011-04-21 2014-03-19 弗雷塞尼斯医疗保健控股公司 Medical fluid pumping systems and related devices and methods

Also Published As

Publication number Publication date
CN104707196B (en) 2017-07-04

Similar Documents

Publication Publication Date Title
CN106061525B (en) Method and apparatus for performing peritoneal ultrafiltration
ES2625135T3 (en) An ambulatory ultrafiltration device, related methods and a computer program product
MXPA02007765A (en) Method and apparatus for monitoring and controlling peritoneal dialysis therapy.
JP2016221028A (en) Medical fluid pressure detection device
US9482218B2 (en) Deformable membrane pump for dialysis machine
CN102526822A (en) Blood dialyzing system and method for exchanging heat of waste liquid and reverse osmosis water
CA2533089C (en) A system for performing fluid administration
CN101564560B (en) Liquid dispersion and ultrafiltration device for blood purification
JP2003265605A (en) Venous blood reservation chamber for extracorporeal circulation blood circuit
JP2010125131A (en) Calibration method of pressure measurement section
CN100584393C (en) Cerebrospinal fluid external displacement instrument
CN101537215B (en) Capacity balancer used for blood purification
CN205598315U (en) Manual formula blood purifies portable equipment by oneself
CN101564559B (en) Volume-varied balancer for purifying blood
CN104707196A (en) Peritoneum dialysis apparatus
CN104906643A (en) Blood pumping device
CN209771002U (en) micro-vacuum burn and scald therapeutic apparatus
CN204650870U (en) The saturating nurse training mould of abdomen
CN208818727U (en) Piarhemia parting detector automatic pressure-reducing liquid channel system
CN201394227Y (en) Mixing liquid and ultrafiltration device for blood purification
CN107412893A (en) A kind of intelligent electric-liquid type heart extracorporeal circulation pulsatory blood pump
CN105983147A (en) Hemodialysis filter for nephrology department
CN201394228Y (en) Positive-displacement equalizer for blood purification
CN109701098A (en) A kind of portable hemodialysis treatment apparatus and method for hemodialysis treatment
CN107897169A (en) A kind of isolated organ oxygen closes device for casting

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
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: 20170704