CN100579480C - Electric thermal non-nail anus piles anastomat and operation method - Google Patents
Electric thermal non-nail anus piles anastomat and operation method Download PDFInfo
- Publication number
- CN100579480C CN100579480C CN200810107218A CN200810107218A CN100579480C CN 100579480 C CN100579480 C CN 100579480C CN 200810107218 A CN200810107218 A CN 200810107218A CN 200810107218 A CN200810107218 A CN 200810107218A CN 100579480 C CN100579480 C CN 100579480C
- Authority
- CN
- China
- Prior art keywords
- nail
- pipe
- gun barrel
- pole
- center
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention relates to an electrothermal non-nail hemorrhoid stapler and an operation method thereof. The electrothermal non-nail hemorrhoid stapler comprises a pipe, a rear handle and a front handle. The rear end of the pipe is connected with the rear handle as a whole, the horn-shaped front end of the pipe is in fixed connection with an electrothermal anastomotic heading, and the front handle is hinged with the rear end of the pipe through a pin roll; the front end of a center rod arranged in the pipe is provided with a hemi-pellet which is in fit with the outer diameter of horn-shaped front end of the pipe, and the rear end of the center rod is in threaded connection with an adjusting nut; a wire connected with a socket at the lower end of the rear handle is connected with a heating element arranged on the electrothermal anastomotic heading to form a loop. The electrothermal non-pin hemorrhoid stapler adopts safe minimally invasive technologies of a electrothermal cutting and a electrothermal anastomosis, thereby avoiding the medical risk and post-operation safety problems due to titanium nails in the traditional nail hemorrhoid stapler; ninety-five percent of components are made with plastic, and are light in weight, low in cost, convenient to be destroyed and recycled in the renewable resources and beneficial for environmental protection.
Description
Technical field
The present invention relates to a kind of surgical medical equipment, particularly a kind of electric thermal non-nail anus piles anastomat and operational approach thereof.
Background technology
Usually when hospital clinical carries out suspension anus whitehead operation (be called for short PPH operation), extensively adopt nail formula anastomat, this apparatus product to be divided into disposable use and use two big classes repeatedly.Its common feature is according to the similar action principle of stapler, with 26-32 piece of fine titanium nail, press annular interlace mode by nail pushing device, the intestinal wall internal film tissue part (being commonly called as " pocket ") that close stitching firmly will be excised is organized medium vessels and the effect that is connected rectal wall suspention film thereby play sealing.After the sealing, the built-in cylindric circular cutter of nail pushing device is finished operation with pocket part complete resection.
After the PPH operation, titanium is followed closely all or major part will come off successively excretes.But also often there is titanium nail Disabled to stay situation on the intestinal wall.Such titanium nail is a kind of hidden danger and potential risks, and its sharp tip is a trouble especially.According to the data introduction, implement PPH operation abroad, must understand the situation of operation receiveing person's sex partner, generally need spouse's agreement of signing.Especially to the homosexual couple.Secondly, from therapeutic effect, nail formula anastomat is bad because of the stitching that a variety of causes causes, and blood vessel and internal rectum membrane closure are incomplete, blood, operative failure, oozing of blood even massive hemorrhage occur dropping down.Therefore, nail formula PPH postoperative must carry out a few hours to the patient and stay sight, checks normally until the doctor.
Disposable staple formula anastomat product structure complexity except the injection moulding workpiece, also has a large amount of metal parts.Reclaiming destruction is a great problem, not only causes environmental pollution but also be unfavorable for economizing on resources and reducing consumption, and cost is also high.Developing country often turns to because of expense is expensive and uses the cheap PPH anastomat of using repeatedly, but this obviously is unfavorable for preventing cross infection greatly.Simultaneously, Xiang Guan risk also still exists.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of electric thermal non-nail anus piles anastomat and operational approach thereof of the risk that does not have the titanium nail and be correlated with.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of electrical heat energy non-nail anus piles stapling apparatus is made up of electric thermal non-nail anus piles anastomat and electrical heat energy main frame, connects with lead between the two.
Described electric thermal non-nail anus piles anastomat, comprise and rob pipe, back handle and front hand grip, rear end and the back handle of robbing pipe are connected as a single entity, and the tubaeform front end of robbing pipe is fixedlyed connected with an end of the identical crop of electrical heat energy, and the other end of the identical crop of electrical heat energy is provided with oblique crescent moon trough rim mouth; The tubaeform front end bilateral of robbing pipe is provided with takes out line groove hole, and the middle part of robbing pipe is provided with form; Front hand grip relies on bearing pin hinged with the rear end of robbing pipe by vertical pin-and-hole, and the adjusting nut that inner chamber is provided with screw thread is positioned at the rear end of robbing pipe.
Place center-pole of robbing in the pipe and the inner chamber matched in clearance of robbing pipe, the front end of center-pole is provided with and robs the semi-round ball that the tubaeform front end external diameter of pipe matches, the middle part of center-pole is provided with the sign line, the rear end of center-pole is provided with the screw thread that matches with adjusting nut, the through hole that front hand grip is passed in the rear end of center-pole is threaded with adjusting nut, and described screw thread is a rectangular thread; The shape bottom surface, garden of center-pole semi-round ball is provided with the oblique crescent moon trough rim mouth that matches with the oblique crescent moon trough rim mouth of the identical crop of electrical heat energy.
Electrical socket is equipped with in the lower end of back handle, and electric switch is installed in the upper end of back handle, and the contact of electric switch is near front hand grip; The lead that links to each other with electrical socket connects into the loop by electric switch and the heater element that is installed on the identical crop of electrical heat energy.
Described heater element is to wait electric heating worker metal wire rod to make annular heater element with nickel resistance silk, and the identical crop of described electrical heat energy is that heat-barrier material is made with resistance material and silicone resin.
A kind of operational approach of aforesaid electric thermal non-nail anus piles anastomat of using is as follows:
[1] the screw thread rear end of center-pole is inserted from the electrical heat energy of robbing the pipe front end crop that coincide, the through hole that passes front hand grip spins with being positioned at the adjusting nut looseness of robbing the pipe rear end, with the semi-round ball of center-pole near the anus hemorrhoid;
[2] with line collude with anus hemorrhoid purse string suture the end of a thread from electrical heat energy coincide the bilateral of crop take out pull out the line groove hole take out tight;
[3] screw adjusting nut, observe the sign line that is positioned at the center-pole of robbing tube cavity until the form at the middle part by robbing pipe and put in place;
[4] host function is indicated button be allocated to " kiss warmly and close " position, the preparation work of having switched on of the bright demonstration main frame of display lamp; Operative doctor grips the back handle and the front hand grip of Anus piles anastomat, rationally forces in front hand grip, triggers and connects the electric switch switch, and main engine power output is kissed warmly and closed program start.Choose 80 ℃-200 ℃ temperature, carry out organizing the thermocoagulation process in 0-30 time range second; Screw adjusting nut once more, center-pole is pulled to the rear, anus hemorrhoid pocket ring perienchyma is by the pressure stepless action of the oblique crescent moon trough rim mouth of the oblique crescent moon trough rim mouth of the shape bottom surface, garden of center-pole semi-round ball and the identical crop of electrical heat energy, formed a scab by thermocoagulation, the enteral membrane tissue protein composition that forms the 1-4mm width endless belt that condenses, the whole coagulations of its inner membrance medium vessels are for the endless belt cutting is got ready; This moment, main frame was with automatic or manual timing alarm and rupturing duty output;
[5] host function is indicated button be allocated to " thermal cutting ", choose 200 ℃-400 ℃ temperature, push front hand grip 1-5 time second once more, bright and blow a whistle until alarm lamp, signal pocket thermal cutting program is finished; At this moment, should wait a moment 1-3 minute, be beneficial to the identical heat of operative site cooling and protection and coagulate endless belt; Unclamp the back then and regulate mother, make the compacted identical heat of front end coagulate endless belt and loosen disengagement;
[6] anastomat is trackslipped withdraw from anorectum, electrical heat energy non-nail anus piles anastomosis operation is finished.
The present invention uses tissue thermal weld technology, it is the biochemistry phenomenon according to contained protein structure composition heated denaturalization in the blood vessel at some position of human or animal body, tract, the membrane tissue, under extraneous action of mechanical pressure, take place that protein composition solidifies or the phenomenon that ruptures and a kind of Clinical Surgery medical application technology of growing up.The mechanism of action of its molecular level can be described as, when the efficient heat energy that concentrates on tissue local at first makes in this position tissue primary structure material protein generation reaction of degeneration, the original space three-dimensional structure of protein changes, the range protein macromolecular chain is unfolded and is opened, adjacent proteinogen chain or peptide chain mutually combine by the hydrogen bond in its macromolecular chain, form new mutual link structure.Under the ambient pressure effect, the protein macromolecule chain connects the new compact texture tissue of formation again.If local heat energy is higher, after opening, protein chain ruptures immediately.At this moment, the degeneration Hirschfeld-Klinger reaction takes place along with the pyritous graded in center respectively in the fracture belt both sides in the numerous protein macromole.Temperature and pressure is that the protein macromolecule chain takes place to rupture separately and the agglomerative main factor of recombinating.Biochemical research shows that protein is the basic composition material of animal body organizational structure support and functional material.Protein structure on the molecular level changes and biochemical reaction, has directly caused apparent being cut with thermal coagulation of tissue and cell to be closed.
The invention has the beneficial effects as follows:
1. the present invention uses tissue thermal weld technology, and the electrical heat energy methods of anastomosis that is adopted has thoroughly been taken leave of titanium nail and nail pushing device, the substitute is the safe Wicresoft of " electric heating cutting " " electric heating coincide ", pure heat energy model of action; The operation receiveing person is also no longer stayed the problem of peg to perplex by Disabled in the body, avoided by titanium nail may cause medical-risk and postoperative safety problem.
2. not only in light weight, the compact conformation of electric thermal non-nail anus piles anastomat, and 95% parts all adopts plastic cement to make, and metal and non-plastic components are few.Very be convenient to destroy and reclaim the back regenerated resources, greatly reduced pollution, realized resources conservation and requirement on environmental protection environment.
3. adopt built-in circuit and closed insulating Design, no current is by human body, and is safe.Output voltage is DC6V-DC12V, need not negative plate; Electric switch and back handle, front hand grip constitute difunctional linkage structure.
4. the localized heat of trace conduction, hot injury scope＜1mm guarantees normal structure safety; Operative site peripheral organization does not have latent lesion.
5, basic non smoke, not sticking apparatus, non-carbonized and eschar phenomenon.
6. the heat energy generator main frame has intelligent power control, and energy output is concentrated stable.Reach as high as 32W.Can solidify, sealing and cut-out, blood vessel and tissue closure are firm.
7. intraoperative blood loss seldom, safely, fast, conveniently.Operative site forms the structure organization of cyclic protein matter, and no titanium nail and other Disabled stay thing; The postoperative infection risk is little, and post-operative recovery is fast.
8. shorten operating time greatly, simple operation alleviates patient's mental pressure and mental burden.
9. present, the PPH operation is universal day by day all over the world, and the moon of global nail formula PPH anastomat uses consumption to reach hundreds thousand of, and only domestic medical market moon present stage consumption has reached up to ten thousand, and the amount of money is in several hundred million yuans.The present invention can be used as the safety and environmental protection product that substitutes traditional nail formula PPH anastomat.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of front hand grip.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural representation of center-pole.
Fig. 5 is the structural representation of adjusting nut.
Fig. 6 is the A portion enlarged drawing of Fig. 1.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Place center-pole of robbing in the pipe 54 and the inner chamber matched in clearance of robbing pipe 5, the front end of center-pole 4 is provided with and robs the semi-round ball 1 that the tubaeform front end external diameter of pipe matches, the middle part of center-pole 4 is provided with and indicates line 16, the rear end of center-pole 4 is provided with the rectangular thread 17 that matches with sphere adjusting nut 8, and the through hole 14 that front hand grip 13 is passed in the rear end of center-pole 4 is threaded with adjusting nut 8; The shape bottom surface, garden of center-pole semi-round ball 1 is provided with the oblique crescent moon trough rim mouth that matches with the oblique crescent moon trough rim mouth of the identical crop 2 of electrical heat energy.
[1] the screw thread rear end of center-pole 4 is inserted from the electrical heat energy of the robbing pipe 5 front ends crop 2 that coincide, the through hole 14 that passes front hand grip 13 spins with being positioned at adjusting nut 8 looseness of robbing pipe 5 rear ends, with the semi-round ball 1 of center-pole 4 near the anus hemorrhoid;
[2] with line collude with anus hemorrhoid purse string suture the end of a thread from electrical heat energy coincide the bilateral of crop 2 take out pull out the line groove hole 3 take out tight;
[3] screw adjusting nut 8, put in place until observing the sign line 16 that is positioned at the center-pole 4 of robbing pipe 5 inner chambers by the form 6 of robbing pipe 5 middle part;
[4] host function is indicated button be allocated to " kiss warmly and close " position, the preparation work of having switched on of the bright demonstration main frame of display lamp; Operative doctor grips the back handle 10 and the front hand grip 13 of Anus piles anastomat, rationally forces in front hand grip 13, triggers and connects electric switch 9 switches, and main engine power output is kissed warmly and closed program start.Choose 80 ℃-200 ℃ temperature, carry out organizing the thermocoagulation process in 0-30 time range second; Screw adjusting nut 8 once more, center-pole 5 is pulled to the rear, anus hemorrhoid pocket ring perienchyma is by the pressure stepless action of the oblique crescent moon trough rim mouth of the oblique crescent moon trough rim mouth of the shape bottom surface, garden of center-pole semi-round ball 1 and the identical crop 2 of electrical heat energy, formed a scab by thermocoagulation, the enteral membrane tissue protein composition that forms the 1-4mm width endless belt that condenses, the whole coagulations of its inner membrance medium vessels are for the endless belt cutting is got ready; This moment, main frame was with automatic or manual timing alarm and rupturing duty output;
[5] host function is indicated button be allocated to " thermal cutting ", choose 200 ℃-400 ℃ temperature, push front hand grip 13 (1-5) second time once more, bright and blow a whistle until alarm lamp, signal pocket thermal cutting program is finished; At this moment, should wait a moment 1-3 minute, be beneficial to the identical heat of operative site cooling and protection and coagulate endless belt; Unclamp the back then and regulate mother, make the compacted identical heat of front end coagulate endless belt and loosen disengagement;
[6] anastomat is trackslipped withdraw from anorectum, electrical heat energy non-nail anus piles anastomosis operation is finished.
Electrical heat energy non-nail anus piles stapling apparatus is made up of electric thermal non-nail anus piles anastomat and electrical heat energy main frame, connects with lead between the two.Host parameter is:
Input voltage 220V/110V AC; Main engine power 50-100W
Output voltage 6-24V DC; Output 5-40W
The main frame display interface comprises:
1, kisses warmly and close and earnestly remove control key.
2, automatic time is reported to the police and the power-off protection of prescribing a time limit automatically.
3, the output of real-time voltage and power shows.
4, analog process temperature shows.
Claims (3)
1. electric thermal non-nail anus piles anastomat, comprise gun barrel, back handle and front hand grip, it is characterized in that: the rear end of gun barrel (5) and back handle (10) are connected as a single entity, a coincide end of crop (2) of the tubaeform front end of gun barrel (5) and electrical heat energy is fixedlyed connected, and the coincide other end of crop (2) of electrical heat energy is provided with oblique crescent moon trough rim mouth; The tubaeform front end bilateral of gun barrel (5) is provided with takes out line groove hole (3), and the middle part of gun barrel (5) is provided with form (6); Front hand grip (13) relies on bearing pin (7) hinged with the rear end of gun barrel (5) by vertical pin-and-hole (15), and the sphere adjusting nut (8) that inner chamber is provided with screw thread (17) is positioned at the rear end of gun barrel (5); Place the inner chamber matched in clearance of interior center-pole (4) of gun barrel (5) and gun barrel (5), the front end of center-pole (4) is provided with the semi-round ball (1) that matches with the tubaeform front end external diameter of gun barrel, the middle part of center-pole (4) is provided with and indicates line (16), the rear end of center-pole (4) is provided with the screw thread (17) that matches with sphere adjusting nut (8), and the through hole (14) that front hand grip (13) are passed in the rear end of center-pole (4) is threaded with adjusting nut (8); The rounded bottom surface of center-pole semi-round ball (1) is provided with the oblique crescent moon trough rim mouth that matches with the oblique crescent moon trough rim mouth of the identical crop (2) of electrical heat energy; Electrical socket (12) is equipped with in the lower end of back handle (10), and electric switch (9) is installed in the upper end of back handle (10), and the contact of electric switch (9) is near front hand grip (13); The lead (11) that links to each other with electrical socket (12) connects into the loop by electric switch (9) and the heater element (18) that is installed on the identical crop (2) of electrical heat energy.
2. electric thermal non-nail anus piles anastomat according to claim 1 is characterized in that: described screw thread (17) is a rectangular thread.
3. electric thermal non-nail anus piles anastomat according to claim 1, it is characterized in that: described heater element (18) is to make annular heater element with electric heating worker metal wire rod, and the described electrical heat energy crop (2) that coincide is that heat-barrier material is made with resistance material and silicone resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810107218A CN100579480C (en) | 2008-09-23 | 2008-09-23 | Electric thermal non-nail anus piles anastomat and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810107218A CN100579480C (en) | 2008-09-23 | 2008-09-23 | Electric thermal non-nail anus piles anastomat and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101366658A CN101366658A (en) | 2009-02-18 |
| CN100579480C true CN100579480C (en) | 2010-01-13 |
Family
ID=40410762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810107218A Expired - Fee Related CN100579480C (en) | 2008-09-23 | 2008-09-23 | Electric thermal non-nail anus piles anastomat and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100579480C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829986A (en) * | 2012-11-27 | 2014-06-04 | 上海众仁生物医药科技有限公司 | Nail-free anastomat |
| CN103222886B (en) * | 2013-03-28 | 2015-01-07 | 中国人民解放军第三军医大学第一附属医院 | Patch type constant-temperature bleeding stopping gun |
| CN106214251A (en) * | 2016-08-31 | 2016-12-14 | 胡晓予 | A kind of warming type electric coagulation forceps of self-powered switching push button |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6024742A (en) * | 1998-08-22 | 2000-02-15 | Tu; Lily Chen | Ablation apparatus for treating hemorrhoids |
| US6346105B1 (en) * | 1998-07-27 | 2002-02-12 | Quantum Cor Incorporated | Device for treating tissue and methods thereof |
| EP1614392A1 (en) * | 2004-07-09 | 2006-01-11 | Tyco Healthcare Group Lp | Electrosurgical partially circumferential hemorrhoid repair device |
| CN201248764Y (en) * | 2008-09-23 | 2009-06-03 | 魏文聪 | Electric-thermal and non-nail anal hemorrhoid anastomat |
-
2008
- 2008-09-23 CN CN200810107218A patent/CN100579480C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346105B1 (en) * | 1998-07-27 | 2002-02-12 | Quantum Cor Incorporated | Device for treating tissue and methods thereof |
| US6024742A (en) * | 1998-08-22 | 2000-02-15 | Tu; Lily Chen | Ablation apparatus for treating hemorrhoids |
| EP1614392A1 (en) * | 2004-07-09 | 2006-01-11 | Tyco Healthcare Group Lp | Electrosurgical partially circumferential hemorrhoid repair device |
| CN201248764Y (en) * | 2008-09-23 | 2009-06-03 | 魏文聪 | Electric-thermal and non-nail anal hemorrhoid anastomat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101366658A (en) | 2009-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9192430B2 (en) | Electrosurgical instrument with time limit circuit | |
| JP6279221B2 (en) | Method and apparatus for programming a modular surgical instrument | |
| US9149323B2 (en) | Method of fusing biomaterials with radiofrequency energy | |
| CN107809968A (en) | Surgical stapling device with ready state indicator | |
| CN107809967A (en) | Surgical stapling device with ready state indicator | |
| Kramer et al. | Energy-based tissue fusion for sutureless closure: applications, mechanisms, and potential for functional recovery | |
| CN103648423A (en) | Motor driven electrosurgical device with mechanical and electrical feedback | |
| WO2013062978A2 (en) | Medical instrument | |
| CN104936532A (en) | Surgical instrument with selectable integral or external power source | |
| CA2666051A1 (en) | Electrothermal device for sealing and joining or cutting tissue | |
| CN100579480C (en) | Electric thermal non-nail anus piles anastomat and operation method | |
| CN102008350B (en) | High-frequency electrosurgical operation instrument | |
| WO2020062854A1 (en) | Trigger assembly for reusable endoscopic cutter stapler gun body | |
| US20120101500A1 (en) | Anastomosis ring and anastomosis ring arrangement | |
| CN201248764Y (en) | Electric-thermal and non-nail anal hemorrhoid anastomat | |
| WO2020062853A1 (en) | Transmission assembly for reusable endoscopic cutter stapler gun body | |
| CN104546123A (en) | High-frequency operating instrument with multiple interfaces and multiple touch screens | |
| US20190274751A1 (en) | Low temperature electrosurgical knife surgical device, system and method | |
| CN110279462A (en) | A kind of jaw type electric heating melting welding knife | |
| CN106236174A (en) | A kind of magnetic anastomat being applicable to Cholangio-jejunostomy under peritoneoscope | |
| CN105147365A (en) | Magnetic circumcision device | |
| WO2021139084A1 (en) | Intestinal tube welding device | |
| CN208339594U (en) | One kind is from light source RF coagulation tumor resection device | |
| CN207855734U (en) | A kind of electronic hysteroscope stapler | |
| CN208065233U (en) | A kind of digestive endoscopy Minimally Invasive Surgery doublejointed scalpel |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ESPON TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: WEI WENCONG Effective date: 20101222 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 A-17A, HAIBIN MANSION GARDEN, SHENSHA ROAD, YANTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 UNIT 4, 8/F, FACTORY BUILDING 1, PACIFIC INDUSTRIAL AREA, SHENYAN ROAD, YANTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101222 Address after: 518000, 8 floor, No. 4 workshop, No. 1, Pacific Industrial Zone, deep salt road, Yantian District, Guangdong, Shenzhen Patentee after: Shenzhen Bao Bao Technology Development Co., Ltd. Address before: 518000 Guangdong Province, Shenzhen Yantian District Road deep waterfront building garden A-17A Patentee before: Wei Wencong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20120923 |