DE10085151T1 - Fiber optic navigation system - Google Patents
Fiber optic navigation systemInfo
- Publication number
- DE10085151T1 DE10085151T1 DE10085151T DE10085151T DE10085151T1 DE 10085151 T1 DE10085151 T1 DE 10085151T1 DE 10085151 T DE10085151 T DE 10085151T DE 10085151 T DE10085151 T DE 10085151T DE 10085151 T1 DE10085151 T1 DE 10085151T1
- Authority
- DE
- Germany
- Prior art keywords
- fiber optic
- navigation system
- optic navigation
- fiber
- optic
- 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.)
- Withdrawn
Links
- 239000000835 fiber Substances 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; Determining position of diagnostic devices within or on the body of the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/009—Flexible endoscopes with bending or curvature detection of the insertion part
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; Determining position of diagnostic devices within or on the body of the patient
- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
- G01D5/35387—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques using wavelength division multiplexing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2061—Tracking techniques using shape-sensors, e.g. fiber shape sensors with Bragg gratings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16252999P | 1999-10-29 | 1999-10-29 | |
| PCT/US2000/029588 WO2001033165A1 (en) | 1999-10-29 | 2000-10-27 | Optical fiber navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10085151T1 true DE10085151T1 (en) | 2002-10-10 |
Family
ID=22586022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10085151T Withdrawn DE10085151T1 (en) | 1999-10-29 | 2000-10-27 | Fiber optic navigation system |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP2003515104A (en) |
| AU (1) | AU1236601A (en) |
| CA (1) | CA2325036A1 (en) |
| DE (1) | DE10085151T1 (en) |
| GB (1) | GB2371361A (en) |
| WO (1) | WO2001033165A1 (en) |
Families Citing this family (68)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0021976D0 (en) * | 2000-09-07 | 2000-10-25 | Optomed As | Multi-parameter fiber optic probes |
| DE10100739B4 (en) * | 2001-01-10 | 2004-04-29 | Aesculap Ag & Co. Kg | Devices for inserting objects into a body |
| DE10118570B4 (en) * | 2001-01-10 | 2004-06-03 | Aesculap Ag & Co. Kg | Surgical device |
| FR2867561B1 (en) * | 2004-03-11 | 2007-02-02 | Commissariat Energie Atomique | DISTRIBUTED MEASUREMENT SYSTEM OF THE CURVES OF A STRUCTURE |
| EP1830699A2 (en) * | 2004-12-22 | 2007-09-12 | Novo Nordisk A/S | Sensor system and method for detecting problems with mounting of skin mountable medical devices |
| US8075498B2 (en) | 2005-03-04 | 2011-12-13 | Endosense Sa | Medical apparatus system having optical fiber load sensing capability |
| US8182433B2 (en) * | 2005-03-04 | 2012-05-22 | Endosense Sa | Medical apparatus system having optical fiber load sensing capability |
| EP3028645B1 (en) | 2005-08-01 | 2019-09-18 | St. Jude Medical International Holding S.à r.l. | Medical apparatus system having optical fiber load sensing capability |
| US7603161B2 (en) | 2005-12-30 | 2009-10-13 | Medtronic, Inc. | Position detection in a magnetic field |
| US8989528B2 (en) * | 2006-02-22 | 2015-03-24 | Hansen Medical, Inc. | Optical fiber grating sensors and methods of manufacture |
| JP5631585B2 (en) * | 2006-03-22 | 2014-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ.ヴィ. | Optical fiber equipment sensing system |
| US8567265B2 (en) | 2006-06-09 | 2013-10-29 | Endosense, SA | Triaxial fiber optic force sensing catheter |
| JP4979394B2 (en) * | 2007-01-22 | 2012-07-18 | オリンパス株式会社 | Endoscope system |
| JP5136747B2 (en) * | 2007-02-01 | 2013-02-06 | 国立大学法人 名古屋工業大学 | Bending degree detecting device and bending degree detecting method using the same |
| US8050523B2 (en) | 2007-04-20 | 2011-11-01 | Koninklijke Philips Electronics N.V. | Optical fiber shape sensing systems |
| US8157789B2 (en) | 2007-05-24 | 2012-04-17 | Endosense Sa | Touch sensing catheter |
| US8622935B1 (en) | 2007-05-25 | 2014-01-07 | Endosense Sa | Elongated surgical manipulator with body position and distal force sensing |
| ES2774799T3 (en) | 2007-08-14 | 2020-07-22 | Koninklijke Philips Nv | Robotic instrument systems using fiber optic sensors |
| JP5242142B2 (en) * | 2007-11-30 | 2013-07-24 | 古河電気工業株式会社 | Surface sensor |
| US8298227B2 (en) * | 2008-05-14 | 2012-10-30 | Endosense Sa | Temperature compensated strain sensing catheter |
| JP5142821B2 (en) * | 2008-05-26 | 2013-02-13 | 株式会社東芝 | Diagnostic imaging apparatus and image display apparatus |
| GB0811971D0 (en) | 2008-06-30 | 2008-07-30 | Oliver Crispin Robotics Ltd | Robotic arm |
| JP5244541B2 (en) * | 2008-10-28 | 2013-07-24 | オリンパスメディカルシステムズ株式会社 | Medical equipment |
| WO2010050526A1 (en) | 2008-10-28 | 2010-05-06 | オリンパスメディカルシステムズ株式会社 | Medical device |
| EP3023941B1 (en) * | 2009-03-26 | 2019-05-08 | Intuitive Surgical Operations, Inc. | System for providing visual guidance for steering a tip of an endoscopic device towards one or more landmarks and assisting an operator in endoscopic navigation |
| US10004387B2 (en) | 2009-03-26 | 2018-06-26 | Intuitive Surgical Operations, Inc. | Method and system for assisting an operator in endoscopic navigation |
| US8773650B2 (en) * | 2009-09-18 | 2014-07-08 | Intuitive Surgical Operations, Inc. | Optical position and/or shape sensing |
| JP5506337B2 (en) * | 2009-11-16 | 2014-05-28 | オリンパス株式会社 | 3D shape detector |
| JP5770207B2 (en) * | 2010-01-14 | 2015-08-26 | コーニンクレッカ フィリップス エヌ ヴェ | Medical scope flexible insert for real-time position tracking |
| RU2589625C2 (en) | 2010-02-09 | 2016-07-10 | Конинклейке Филипс Электроникс Н.В. | Device, system and method for imaging and treatment using optical determination of position |
| US9285246B2 (en) | 2010-02-12 | 2016-03-15 | Intuitive Surgical Operations, Inc. | Method and system for absolute three-dimensional measurements using a twist-insensitive shape sensor |
| JP5719159B2 (en) | 2010-03-15 | 2015-05-13 | ソニー株式会社 | Evaluation device |
| JP5736116B2 (en) | 2010-03-15 | 2015-06-17 | ソニー株式会社 | Calculation device |
| JP5514633B2 (en) * | 2010-05-28 | 2014-06-04 | 富士フイルム株式会社 | Endoscope system |
| US20120071752A1 (en) | 2010-09-17 | 2012-03-22 | Sewell Christopher M | User interface and method for operating a robotic medical system |
| US20120191079A1 (en) | 2011-01-20 | 2012-07-26 | Hansen Medical, Inc. | System and method for endoluminal and translumenal therapy |
| RU2013139540A (en) * | 2011-01-27 | 2015-03-10 | Конинклейке Филипс Электроникс Н.В. | TEMPLATES FOR CALIBRATION OF THE OPTICAL DETERMINATION OF THE FORM AT CLINICAL USE |
| WO2012101562A1 (en) * | 2011-01-28 | 2012-08-02 | Koninklijke Philips Electronics N.V. | Fiber optic sensor for determining 3d shape |
| WO2012101575A1 (en) | 2011-01-28 | 2012-08-02 | Koninklijke Philips Electronics N.V. | Reference markers for launch point identification in optical shape sensing systems |
| CN103607961B (en) | 2011-04-14 | 2016-12-14 | 圣犹达医疗用品卢森堡控股有限公司 | Compact force sensor for conduit |
| US9138166B2 (en) | 2011-07-29 | 2015-09-22 | Hansen Medical, Inc. | Apparatus and methods for fiber integration and registration |
| EP2744407B1 (en) * | 2011-08-16 | 2019-01-09 | Koninklijke Philips N.V. | Curved multi-planar reconstruction using fiber optic shape data |
| EP2869754A2 (en) * | 2012-07-09 | 2015-05-13 | Koninklijke Philips N.V. | Method and system for adaptive image guided intervention |
| CN103148894A (en) * | 2013-02-04 | 2013-06-12 | 中国科学院半导体研究所 | Angle stress sensor based on optical fiber Bragg gratings |
| KR102234145B1 (en) | 2013-03-15 | 2021-03-31 | 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 | Shape sensor systems for tracking interventional instruments and methods of use |
| CN105592790A (en) * | 2013-10-02 | 2016-05-18 | 皇家飞利浦有限公司 | Hub design and methods for optical shape sensing registration |
| JP2015181643A (en) * | 2014-03-24 | 2015-10-22 | オリンパス株式会社 | Curved shape estimation system, tubular insert system, and method for estimating curved shape of curved member |
| JP6525138B2 (en) * | 2014-05-14 | 2019-06-05 | 国立大学法人信州大学 | Blood pressure measuring device |
| JP6322495B2 (en) | 2014-06-26 | 2018-05-09 | オリンパス株式会社 | Shape estimation apparatus, endoscope system provided with shape estimation apparatus, and program for shape estimation |
| WO2016038492A1 (en) * | 2014-09-08 | 2016-03-17 | Koninklijke Philips N.V. | Detection of surface contact with optical shape sensing |
| EP3037056B1 (en) | 2014-12-23 | 2021-04-21 | Stryker European Holdings I, LLC | System for reconstructing a trajectory of an optical fiber |
| JP2018517508A (en) * | 2015-06-12 | 2018-07-05 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | General purpose optical fiber real shape insert |
| WO2017055620A1 (en) * | 2015-10-02 | 2017-04-06 | Koninklijke Philips N.V. | Hub for device navigation with optical shape sensed guidewire |
| WO2017118949A1 (en) | 2016-01-07 | 2017-07-13 | St. Jude Medical International Holding S.À R.L. | Medical device with multi-core fiber for optical sensing |
| WO2018187708A1 (en) | 2017-04-07 | 2018-10-11 | Bard Access Systems, Inc. | Optical fiber-based medical device tracking and monitoring system |
| WO2019037071A1 (en) * | 2017-08-25 | 2019-02-28 | Cheng Weyland | Device and method for feedback and control using optical fibers in catheters |
| EP3801329A1 (en) | 2018-05-30 | 2021-04-14 | Avent, Inc. | Varying the length of a temperature sensing element of a radiofrequency probe based on desired lesion size |
| EP3801339B1 (en) | 2018-05-30 | 2025-10-01 | Avent, Inc. | System for generating lesions of a certain size by controlling energy delivered and pump flow rate |
| US12232801B2 (en) | 2018-05-30 | 2025-02-25 | Avent, Inc. | System and method for mitigating rising impedance via a pump assembly during use of cooled radiofrequency probes |
| CN109341593B (en) * | 2018-08-17 | 2020-08-07 | 中国矿业大学 | Optical fiber monitoring method for straightness of scraper conveyor in fully mechanized mining face |
| CN109458957A (en) * | 2018-12-27 | 2019-03-12 | 中国电子科技集团公司第三十四研究所 | A method for testing parallelism between fiber cores of array fiber optic tweezers |
| EP3705020A1 (en) * | 2019-03-05 | 2020-09-09 | FBGS Technologies GmbH | Methods and systems for shape sensing |
| CN110200573A (en) * | 2019-06-17 | 2019-09-06 | 武汉理工大学 | Intelligent posture perception medical endoscope and posture perception method |
| CN111678455A (en) * | 2020-07-16 | 2020-09-18 | 山东舜感光电科技有限公司 | Memorable metal optical fiber strain sensor |
| CN112461146B (en) * | 2020-10-13 | 2023-03-24 | 深圳供电局有限公司 | Insulator deformation measuring method, device and system |
| US11903572B2 (en) | 2021-09-14 | 2024-02-20 | Nuvasive, Inc. | Surgical instruments, systems, and methods with optical sensors |
| US12292353B2 (en) | 2023-02-08 | 2025-05-06 | The Shape Sensing Company | Calculating distributed twist of a multi-fiber 3D shape sensor bundle (MFB) using optical frequency domain reflectometry (OFDR) phase interrogation data |
| CN120926950A (en) * | 2025-10-15 | 2025-11-11 | 山西大学 | Soil settlement monitoring system based on FBG and pipeline 3D track |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4806012A (en) * | 1984-08-13 | 1989-02-21 | United Technologies Corporation | Distributed, spatially resolving optical fiber strain gauge |
| US4950883A (en) * | 1988-12-27 | 1990-08-21 | United Technologies Corporation | Fiber optic sensor arrangement having reflective gratings responsive to particular wavelengths |
| US5641956A (en) * | 1996-02-02 | 1997-06-24 | F&S, Inc. | Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler |
-
2000
- 2000-10-27 AU AU12366/01A patent/AU1236601A/en not_active Abandoned
- 2000-10-27 CA CA002325036A patent/CA2325036A1/en not_active Abandoned
- 2000-10-27 WO PCT/US2000/029588 patent/WO2001033165A1/en not_active Ceased
- 2000-10-27 JP JP2001535003A patent/JP2003515104A/en active Pending
- 2000-10-27 GB GB0209551A patent/GB2371361A/en not_active Withdrawn
- 2000-10-27 DE DE10085151T patent/DE10085151T1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2371361A (en) | 2002-07-24 |
| WO2001033165A1 (en) | 2001-05-10 |
| JP2003515104A (en) | 2003-04-22 |
| GB0209551D0 (en) | 2002-06-05 |
| AU1236601A (en) | 2001-05-14 |
| CA2325036A1 (en) | 2001-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |