CN102613996A - Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery - Google Patents
Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery Download PDFInfo
- Publication number
- CN102613996A CN102613996A CN2012101137430A CN201210113743A CN102613996A CN 102613996 A CN102613996 A CN 102613996A CN 2012101137430 A CN2012101137430 A CN 2012101137430A CN 201210113743 A CN201210113743 A CN 201210113743A CN 102613996 A CN102613996 A CN 102613996A
- Authority
- CN
- China
- Prior art keywords
- abdominal cavity
- operating platform
- flexible
- minimally invasive
- invasive surgery
- 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
Images
Abstract
The invention relates to an invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery, which comprises a multihole operating platform (3) which is arranged at the outer part of the abdominal cavity, and a flexible abdominal cavity channel tube (8) which is connected with the multihole operating platform and can be inserted into the abdominal cavity, and is characterized in that: a plurality of surgical instrument channels (1) with different heights are arranged on the multihole operating platform (3). At least one intake tube (2) and an air outlet tube (3) are arranged on the multihole operating platform (3). The integral shape of the flexible abdominal cavity channel tube (8) is a section of a flexible film channel which is similar to round, the upper end of the flexible abdominal cavity channel tube (8) is connected with the multihole operating platform (3), and the lower end of the flexible abdominal cavity channel tube (8) is connected with a round turning ring (7); and an inner race (6) with a pull band (5) is arranged at the outer part of an abdominal cavity channel tube which is formed by a flexible film, and can freely shift up and down.
Description
Technical field
The present invention relates to a kind of abdominal operation assistive device, the stealthy scope passage of especially a kind of multichannel flexible single hole abdominal cavity Minimally Invasive Surgery.
Background technology
Along with the development of Medical Technology, the micro-wound surgical operation of utilization laparoscopic technique is also promoted the use of at home day by day.Hospitals more both domestic and external use single hole or porous laparoscopic technique to implement through umbilicus single hole mirror cholecystectomy, appendectomy, stones in intrahepatic bile duct cystadenoma excision or the like.In operation process; These are opened and on the little otch of 5~12 millimeters of abdominal part different parts, diameter, must settle an abdominal cavity passage; Be convenient to insert pick-up lens and various special operating theater instruments; The image that inserts the captured various internal organs of intraperitoneal of Intraabdominal photographic head is transferred on the telescreen, and the surgeon accomplishes operation with various operating theater instruments external the operation through observing image.
But because the abdominal cavity passage that uses at present is often complicated and stiff, be not easy to surgeon's fast and flexible ground operation apparatus, especially be not easy to arrive lateral run-out otch lesions position far away.For this reason; The applicant has proposed the patent No. in 2011 04 year 22 days: " a kind of multichannel single-hole laparoscopic surgery perforator " of ZL 2,011 20121759.7 only is to utilize to be arranged on the operating theater instruments passage that has certain flexibility on the porous platform and to have set up the abdominal cavity passage.Though the patented product has characteristics, but in clinician's practical probation process,, promptly depart from the bigger requirement of otch distance and also have big distance from the requirement of hoping to obtain bigger operation degree of freedom.
A plurality of operating theater instruments passages of existing invention have identical height, in use, cause a plurality of operating theater instruments passages top to collide each other, disturb, thereby have limited rotational freedom.In order to address this problem, the inventor carries out design improvement, is designed to different height to the height of a plurality of operating theater instruments passages, forms height layout straggly.
Summary of the invention
The object of the invention is intended to: propose a kind of on the basis that keeps the existing characteristics of ZL 201120121759.7 patents, have a stealthy scope passage of multichannel flexible single hole abdominal cavity Minimally Invasive Surgery of bigger clinical manipulation degree of freedom.
In order to solve the problems of the technologies described above, technical scheme of the present invention is following:
The stealthy scope passage of this multichannel flexible single hole abdominal cavity Minimally Invasive Surgery; Comprise the porous operating platform that places the abdominal cavity outside; Link to each other with the porous operating platform and can insert the flexible abdominal cavity channel in abdominal cavity, it is characterized in that: described porous operating platform is provided with a plurality of operating theater instruments passages with differing heights.
Establish at least one air inlet pipe and escape pipe on the described porous operating platform.
The global shape of described flexible abdominal cavity channel is the fexible film passage of one section sub-circular, and its upper end connects the porous operating platform, and the lower end connects the circle that turns over of a circle; And outside the abdominal cavity channel that fexible film constitutes, be provided with one can realize the easy on and off displacement the inside race that has lift belt.
Described operating theater instruments passage is positioned at porous operating platform upper surface or is positioned at porous operating platform lower surface.
According to the stealthy scope passage of this multichannel flexible single hole abdominal cavity Minimally Invasive Surgery of above technical scheme proposition; The existing characteristics that not only kept aforementioned patent, row as: have simple in structure, convenience operation; Can effectively fill in inside race fast; After simply turning over several times, (decide), just can set up an operation path, shortened operating time according to patient's abdominal part wall thickness; And external flexible operation platform provide to the surgeon about, front and back and omnibearing freely-movable up and down; Especially the operating theater instruments Channel Design that will be located on the operating platform becomes height layout designs straggly, more can further increase the degree of freedom of operation Shi doctor operation, has expanded the distance of apparatus lateral run-out otch when the doctor performs the operation.The surgeon spurred draw ring when operation finished, and pulled out inside race easily.Minimally Invasive Surgery stealthy scope passage in flexible abdominal cavity is except that being widely used in through umbilicus single-hole laparoscopic cholecystectomy, appendectomy, stomach fistulation, splenectomy, fully through peritoneum outside the sticking patch implantation, also can be used for prostatectomy, adrenalectomy, orchiopexy, orchiectomy, ureterolithotomy, the nephrectomy, pyeloplasty etc.
Description of drawings
Fig. 1. be the overall structure figure of the stealthy scope passage of flexible abdominal cavity Minimally Invasive Surgery;
Fig. 2 is the decomposing schematic representation of the stealthy scope passage of flexible abdominal cavity Minimally Invasive Surgery;
Fig. 3 is the structural representation of the airtight mechanism of double-deck interlock.
Among the figure: 1-instrument channel 2-air inlet pipe 3-porous operating platform 4-draw ring 5-lift belt 6-inside race 7-turns over circle 8-abdominal cavity channel 9-escape pipe 111-pre-drilled cavity sealing cap 112-socket internal ring 113-socket outer shroud 114-check valve.
The specific embodiment
Further describe the present invention below in conjunction with accompanying drawing, and provide embodiments of the invention.
The stealthy scope passage of this multichannel flexible single hole abdominal cavity Minimally Invasive Surgery; Comprise the porous operating platform 3 that places the abdominal cavity outside; Link to each other with the porous operating platform and can insert the abdominal cavity channel 8 in abdominal cavity, be characterised in that: described porous operating platform 3 is provided with a plurality of operating theater instruments passages 1 with differing heights.
This operating theater instruments passage 1 with differing heights can be taked following two kinds of form layouts:
A, distribute in pairs with the diagonal form, when the above instrument channel 1 of 4 or 4 is set on porous operating platform 3, two instrument channel 1 on the same diagonal or be both high bit port, or low bit port.Such pairing, the operating theater instruments that not only helps inserting the diagonal two ends is convenient to clamping when intracavity intersects, also can realize further enlarging the distance that departs from otch simultaneously.
B, the instrument channel when distributing in pairs with the diagonal form are the alternate form layout of height; When the above instrument channel 1 of 4 or 4 is set on porous operating platform 3; Two instrument channel 1 one ends on the same diagonal are high bit port, and the other end is low bit port.The Channel Design of this height collocation makes operating theater instruments make bigger extending obliquely to a side at intraperitoneal, more can satisfy operation to the requirement of otch one lateral deviation from bigger distance.
Establish at least one air inlet pipe 2 and escape pipe 9 on the described porous operating platform 3;
Described abdominal cavity channel 8 is the fexible film passage of one section sub-circular, and its upper end connects porous operating platform 3, and the lower end connects turning over of a circle and encloses 7; And outside the abdominal cavity channel that fexible film constitutes, be provided with one can realize the easy on and off displacement the inside race that has lift belt 54.
Simultaneously, described operating theater instruments passage 1 is positioned at porous operating platform 3 upper surfaces, promptly height value be on the occasion of; Perhaps being positioned at porous operating platform 3 lower surface height values is negative value.
During use: said porous operating platform 3 and a plurality of independent instrument channel 1 constitute the outer body of the stealthy scope passage of flexible Minimally Invasive Surgery.This porous operating platform 3 all has soft characteristic with a plurality of independent instrument channel 1.When the surgeon operated operating theater instruments such as endoscope, softish porous operating platform 3 and a plurality of independent and highly different instrument channel 1 limited the omnibearing motion of apparatus hardly.
Also have an air inlet pipe 2 on the porous operating platform 3 of the stealthy scope passage of described multichannel flexible single hole abdominal cavity Minimally Invasive Surgery, its upper end is installed a female luer and is connected with external air source; And an escape pipe 9, an air vent has been cut on its surface.Rely on the resilient characteristic of escape pipe material self, this air vent keeps the normally closed state that closes, and has the normally closed characteristic of closing.Only when operation needs, manually pull open otch, realize degassing function by the surgeon.
The a plurality of independent instrument channel 1 of the stealthy scope passage of described multichannel flexible single hole abdominal cavity Minimally Invasive Surgery has double-deck interlock airtight construction, and the double-deck airtight mechanism of the interlock in each independent instrument channel comprises pre-drilled cavity sealing cap 111, socket internal ring 112, socket outer shroud 113 and check valve 114.In original state, rely on the self-closing architectural feature of check valve 114, keep pneumoperitoneum pressure; When apparatus inserts pre-drilled cavity sealing cap 111, rely on the elasticity of material of pre-drilled cavity sealing cap 111 own to wrap apparatus, keep pneumoperitoneum pressure, this moment, check valve 114 also was in closure state, kept pneumoperitoneum pressure simultaneously; When apparatus further is inserted into check valve 114, though check valve 114 has lost closure feature, rely on the material elasticity of pre-drilled cavity sealing cap 111 to wrap the characteristic of apparatus, continue to keep pneumoperitoneum pressure.Here the check valve 114 that adopts both can adopt the single valve chip architecture, many valve structures that also can adopt the multi-disc valve block to form.
The body of the abdominal cavity channel 8 that probes into the intraperitoneal part of the stealthy scope passage of described multichannel flexible single hole abdominal cavity Minimally Invasive Surgery is nested with an elastic inside race 6 outward, because inside race 6 has the better elastic characteristic.After crimp, fill in the abdominal cavity earlier, rely on the elasticity of self material then, inside race recovers original shape, realizes the left-hand thread function.Be fixed on lift belt 5 on the inside race 6 and a draw ring 4 through design simultaneously.When operation finished, gently draw ring 4, and pulling force is delivered on the inside race 6 by lift belt 5, and inside race 6 stress deformations skid off external from otch.
The stealthy scope passage of described flexible Minimally Invasive Surgery comprises that also one section barrel-shaped flexible abdominal cavity channel 8 of approximate circle couples together part in outer body and the body.These abdominal cavity channel 8 upper ends link to each other with flexible porous operating platform 3, and the lower end connects turning over of a circle and encloses 7.These abdominal cavity channel 8 bottoms outwards turn down once, and the portion of turning over is inserted in and will gets into intravital inside race 6.Set up under the pneumoperitoneum pressure situation, this flexible film-like abdominal cavity channel 8 is pressed in abdominal incision tissue all around tightly.
During practical application, the abdominal cavity channel 8 of the stealthy scope passage of said flexible Minimally Invasive Surgery scribbles hydrophilic coating, and hydrophilic coating can reduce abdominal cavity passage running resistance in operative incision.Structure of the present invention is small and exquisite, and is easy to operate, and it has the characteristics of the airtight mechanism of flexible and double-deck interlock.
During use; The surgeon inserts medical apparatus and instruments through the passage on the porous platform; For example: peritoneoscope, nipper, separation are cut or the like, and the omnibearing movable that the obstruction power that does not almost have stealthy scope passage to produce influences apparatus carries out abdominal surgery easily and quickly.When operation finished, draw ring 4 just can be pulled out inside race 6 easily, then pulls out abdominal cavity channel 8, sews up the incision at last, has shortened the whole surgery time.
Described abdominal cavity channel 8 outer surfaces are coated with hydrophilic coating or greasing substance, and described hydrophilic coating is a kind of in polyvinylpyrrolidone, polyethylene glycol oxide, Polyethylene Glycol, polypropylene glycol, polyacrylamide, the polyacrylic acid or their complex.Greasing substance is medical silicone oil, medical ventolin, or the like.
The material of said flexible and hidden scope passage is silica gel, Polyurethane, gathers ternary rubber, polrvinyl chloride, medical grade rubber, other flexible materials, and two or more compound of above-mentioned material is formed.
The stealthy scope passage of this multichannel flexible single hole abdominal cavity Minimally Invasive Surgery; Through using a kind of flexible abdominal cavity passage with double-deck interlock airtight construction; After patient's umbilical part or little otch of nearly umbilical part incision; Elastic inside race is extruded after abdominal cavity otch passage is pushed in the abdominal part body, thereby the automatic resilience of inside race struts the left-hand thread cover that forms a sub-circular then, and left-hand thread is lived otch in vivo; Draw and turn down then enclose to tubular conduit to correct position, just set up the tubular conduit of the through lesions position of a sub-circular.The surgeon inserts its tool such as electric knife, endoscope and elastic separating plier and stays in the independent instrument channel hole on the external porous operating platform, just can implement to have performed the operation.Because formed the double-deck airtight mechanism of interlock by the sealing cap of a check valve and pre-drilled cavity in each independent instrument channel hole,, kept a constant pneumoperitoneum pressure so guaranteed that operation process is air tight.Can be widely used in through umbilicus single-hole laparoscopic cholecystectomy, appendectomy, stomach fistulation, splenectomy, outside peritoneum, outside the sticking patch implantation, also can be used for fields such as prostatectomy, adrenalectomy, orchiopexy, orchiectomy, ureterolithotomy, the nephrectomy, pyeloplasty fully.
Claims (4)
1. stealthy scope passage of multichannel flexible single hole abdominal cavity Minimally Invasive Surgery; Comprise the porous operating platform (3) that places the abdominal cavity outside; Link to each other with the porous operating platform and can insert the flexible abdominal cavity channel (8) in abdominal cavity, it is characterized in that: described porous operating platform (3) is provided with a plurality of operating theater instruments passages (1) with differing heights.
2. Minimally Invasive Surgery stealthy scope passage in multichannel flexible single hole as claimed in claim 1 abdominal cavity is characterized in that: establish at least one air inlet pipe (2) and escape pipe (3) on the described porous operating platform (3).
3. the stealthy scope passage of multichannel flexible single hole as claimed in claim 1 abdominal cavity Minimally Invasive Surgery; It is characterized in that: the global shape of described flexible abdominal cavity channel (8) is the fexible film passage of one section sub-circular; Its upper end connects porous operating platform (3), and what the lower end connected a circle turns over circle (7); And outside the abdominal cavity channel that fexible film constitutes, be provided with one can realize the easy on and off displacement the inside race that has lift belt (5) (6).
4. the stealthy scope passage of multichannel flexible single hole as claimed in claim 1 abdominal cavity Minimally Invasive Surgery, it is characterized in that: described operating theater instruments passage (1) is positioned at porous operating platform (3) upper surface, perhaps is positioned at porous operating platform (3) lower surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012101137430A CN102613996A (en) | 2012-04-18 | 2012-04-18 | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012101137430A CN102613996A (en) | 2012-04-18 | 2012-04-18 | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102613996A true CN102613996A (en) | 2012-08-01 |
Family
ID=46554462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012101137430A Pending CN102613996A (en) | 2012-04-18 | 2012-04-18 | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102613996A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104306062A (en) * | 2014-10-23 | 2015-01-28 | 安徽奥弗医疗设备科技有限公司 | Single-hole multichannel operating platform |
CN104856766A (en) * | 2015-06-01 | 2015-08-26 | 宁波胜杰康生物科技有限公司 | Novel minimally-invasive-surgery operating platform |
CN105266856A (en) * | 2015-10-12 | 2016-01-27 | 南方医科大学珠江医院 | Glove type single-port laparoscopic puncture device |
CN107495992A (en) * | 2017-09-26 | 2017-12-22 | 珠海康弘发展有限公司 | Medical throttle valve component |
WO2020047687A1 (en) * | 2018-09-05 | 2020-03-12 | 山东冠龙医疗用品有限公司 | Multi-channel working cannula |
CN113598866A (en) * | 2021-07-26 | 2021-11-05 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary clamp device for child hernia ligation based on single-port laparoscopic platform |
CN116849728A (en) * | 2023-06-21 | 2023-10-10 | 南方医科大学南方医院 | Multichannel single-hole pleuroperitoneal cavity sleeve device |
CN107495992B (en) * | 2017-09-26 | 2024-04-30 | 珠海康弘发展有限公司 | Medical throttle valve assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2676835Y (en) * | 2004-01-14 | 2005-02-09 | 浙江大学医学院附属第一医院 | Multipath peritoneoscope canula |
CN201104909Y (en) * | 2007-09-26 | 2008-08-27 | 朱江帆 | Puncture casing tube for umbilical approach operation |
CN201710395U (en) * | 2010-08-19 | 2011-01-19 | 中国人民解放军第二军医大学 | Incision channel apparatus of single-incision laparoscopic operation |
CN201894661U (en) * | 2010-11-03 | 2011-07-13 | 中山大学孙逸仙纪念医院 | Glove casing for single-hole peritoneoscope |
CN102151167A (en) * | 2011-04-22 | 2011-08-17 | 上海英诺伟微创医疗器械有限公司 | Multi-channel single-hole laparoscopic puncture outfit |
EP2226023B1 (en) * | 2009-03-06 | 2012-01-04 | Ethicon Endo-Surgery, Inc. | Devices for providing access into a body cavity |
CN202665588U (en) * | 2012-04-18 | 2013-01-16 | 上海英诺伟微创医疗器械有限公司 | Multi-channel soft single-hole enterocoelia minimal invasive surgery invisible endoscope channel |
-
2012
- 2012-04-18 CN CN2012101137430A patent/CN102613996A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2676835Y (en) * | 2004-01-14 | 2005-02-09 | 浙江大学医学院附属第一医院 | Multipath peritoneoscope canula |
CN201104909Y (en) * | 2007-09-26 | 2008-08-27 | 朱江帆 | Puncture casing tube for umbilical approach operation |
EP2226023B1 (en) * | 2009-03-06 | 2012-01-04 | Ethicon Endo-Surgery, Inc. | Devices for providing access into a body cavity |
CN201710395U (en) * | 2010-08-19 | 2011-01-19 | 中国人民解放军第二军医大学 | Incision channel apparatus of single-incision laparoscopic operation |
CN201894661U (en) * | 2010-11-03 | 2011-07-13 | 中山大学孙逸仙纪念医院 | Glove casing for single-hole peritoneoscope |
CN102151167A (en) * | 2011-04-22 | 2011-08-17 | 上海英诺伟微创医疗器械有限公司 | Multi-channel single-hole laparoscopic puncture outfit |
CN202665588U (en) * | 2012-04-18 | 2013-01-16 | 上海英诺伟微创医疗器械有限公司 | Multi-channel soft single-hole enterocoelia minimal invasive surgery invisible endoscope channel |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104306062A (en) * | 2014-10-23 | 2015-01-28 | 安徽奥弗医疗设备科技有限公司 | Single-hole multichannel operating platform |
CN104856766A (en) * | 2015-06-01 | 2015-08-26 | 宁波胜杰康生物科技有限公司 | Novel minimally-invasive-surgery operating platform |
CN105266856A (en) * | 2015-10-12 | 2016-01-27 | 南方医科大学珠江医院 | Glove type single-port laparoscopic puncture device |
CN107495992A (en) * | 2017-09-26 | 2017-12-22 | 珠海康弘发展有限公司 | Medical throttle valve component |
CN107495992B (en) * | 2017-09-26 | 2024-04-30 | 珠海康弘发展有限公司 | Medical throttle valve assembly |
WO2020047687A1 (en) * | 2018-09-05 | 2020-03-12 | 山东冠龙医疗用品有限公司 | Multi-channel working cannula |
CN113598866A (en) * | 2021-07-26 | 2021-11-05 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary clamp device for child hernia ligation based on single-port laparoscopic platform |
CN113598866B (en) * | 2021-07-26 | 2022-08-09 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary clamp device for child hernia ligation based on single-port laparoscopic platform |
CN116849728A (en) * | 2023-06-21 | 2023-10-10 | 南方医科大学南方医院 | Multichannel single-hole pleuroperitoneal cavity sleeve device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102151167A (en) | Multi-channel single-hole laparoscopic puncture outfit | |
CN102613996A (en) | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery | |
JP5733826B2 (en) | Seal port with blood collection device | |
US9789268B2 (en) | Transvaginal specimen extraction device | |
AU2005200103B2 (en) | Method for accessing an operating space | |
US10092318B2 (en) | Trans-endoscopic and laparoscopic surgery port | |
JP5628295B2 (en) | Transdermal implant and ostomy method | |
US20160235438A1 (en) | Instrument access device | |
US20110251463A1 (en) | Bariatric foam port | |
US8162895B2 (en) | Endoluminal access device | |
US20120238825A1 (en) | Wound protector including balloon within incision | |
JP2012110677A (en) | Portal assembly with adjustable height | |
US20120130179A1 (en) | Expandable segmented and sectioned access assembly | |
CN102429688B (en) | Demountable type flexible abdominal cavity micro-invasive operation invisible endoscope channel | |
CN202665588U (en) | Multi-channel soft single-hole enterocoelia minimal invasive surgery invisible endoscope channel | |
CN202096273U (en) | Multi-channel single-hole laparoscopic surgery puncture outfit | |
CN202386721U (en) | Structure-detachable flexible invisible endoscopic channel for abdominal cavity minimal invasion surgery | |
CN213156303U (en) | Multichannel haplopore laparoscopic surgery puncture ware and incision protective sheath | |
CN102397102A (en) | Single-hole surgery operation platform under pneumoperitoneum environment | |
CN201920788U (en) | Spirally involute shield type concealed inner mirror channel for enterocoelia minimally invasive surgeries | |
CN208769977U (en) | Flexible abdominal cavity micro-invasive operation invisible endoscope channel | |
CN208808663U (en) | A kind of Wound protector and incision protection device | |
CN106110480B (en) | Multifunctional drainage tube capable of being combined in split mode | |
CN215534640U (en) | Biopsy sampling forceps with sealing cap | |
CN209137711U (en) | A kind of multi-functional percutaneous hollow organ stoma |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |