NO322661B1 - Implantatproveapparat - Google Patents
Implantatproveapparat Download PDFInfo
- Publication number
- NO322661B1 NO322661B1 NO19933616A NO933616A NO322661B1 NO 322661 B1 NO322661 B1 NO 322661B1 NO 19933616 A NO19933616 A NO 19933616A NO 933616 A NO933616 A NO 933616A NO 322661 B1 NO322661 B1 NO 322661B1
- Authority
- NO
- Norway
- Prior art keywords
- implant
- frequency
- resonant
- resonant element
- transducer
- Prior art date
Links
- 239000007943 implant Substances 0.000 title claims abstract description 79
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 230000004044 response Effects 0.000 claims description 15
- 238000009795 derivation Methods 0.000 claims 1
- 230000010358 mechanical oscillation Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 206010065687 Bone loss Diseases 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 208000032767 Device breakage Diseases 0.000 description 1
- 208000037408 Device failure Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1111—Detecting tooth mobility
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4542—Evaluating the mouth, e.g. the jaw
- A61B5/4547—Evaluating teeth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/005—Detecting noise caused by implants, e.g. cardiac valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/468—Testing instruments for artificial joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4504—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/0059—Cosmetic or alloplastic implants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4671—Measuring instruments used for implanting artificial joints for measuring resonant frequency
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Dentistry (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Vascular Medicine (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Rheumatology (AREA)
- Physiology (AREA)
- Epidemiology (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Steroid Compounds (AREA)
- Materials For Medical Uses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Carbon And Carbon Compounds (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Light Receiving Elements (AREA)
- Percussion Or Vibration Massage (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919107700A GB9107700D0 (en) | 1991-04-11 | 1991-04-11 | Testing implants |
| PCT/GB1992/000663 WO1992018053A1 (en) | 1991-04-11 | 1992-04-13 | Testing implants |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO933616D0 NO933616D0 (no) | 1993-10-08 |
| NO933616L NO933616L (no) | 1993-10-08 |
| NO322661B1 true NO322661B1 (no) | 2006-11-13 |
Family
ID=10693088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19933616A NO322661B1 (no) | 1991-04-11 | 1993-10-08 | Implantatproveapparat |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5392779A (fi) |
| EP (1) | EP0579673B1 (fi) |
| JP (1) | JP3430263B2 (fi) |
| AT (1) | ATE140143T1 (fi) |
| AU (1) | AU660456B2 (fi) |
| CA (1) | CA2108145C (fi) |
| DE (1) | DE69212147T2 (fi) |
| DK (1) | DK0579673T3 (fi) |
| ES (1) | ES2092107T3 (fi) |
| FI (1) | FI108211B (fi) |
| GB (2) | GB9107700D0 (fi) |
| GR (1) | GR3021285T3 (fi) |
| NO (1) | NO322661B1 (fi) |
| WO (1) | WO1992018053A1 (fi) |
| ZA (1) | ZA922690B (fi) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506197A1 (de) * | 1995-02-23 | 1996-09-05 | Aesculap Ag | Verfahren und Vorrichtung zur Ortsbestimmung eines Körperteils |
| GB9813514D0 (en) * | 1998-06-24 | 1998-08-19 | British Gas Plc | Frequency determination |
| US6308715B1 (en) * | 1999-03-24 | 2001-10-30 | Pmd Holdings Corp. | Ultrasonic detection of restenosis in stents |
| SE9903304L (sv) * | 1999-09-16 | 2001-03-17 | Integration Diagnostics Ltd | Anordning och metod för implantat beläget i ben |
| AU1686601A (en) | 2000-01-07 | 2001-07-16 | Imatec Ag | Device for in vivo measurement of pressures and pressure variations in or on bones |
| TWI238053B (en) * | 2002-11-19 | 2005-08-21 | Miracle One Technology Co Ltd | Device for detecting stability of tooth or artificial implant |
| US8391958B2 (en) | 2003-06-19 | 2013-03-05 | Osstell Ab | Method and arrangement relating to testing objects |
| SE0301825L (sv) * | 2003-06-19 | 2005-02-18 | Integration Diagnostics Ltd | Metod och system vid implantattest |
| US20070270684A1 (en) * | 2004-06-21 | 2007-11-22 | Integration Diagnostics Ltd. | Method and Arrangement Relating to Testing Objects |
| DE102006014169A1 (de) * | 2006-03-24 | 2007-09-27 | Rheinische Friedrich-Wilhelms-Universität Bonn | Geweih-Tiermodell zur Untersuchung von Implantaten |
| CA2660713A1 (en) | 2006-08-17 | 2008-02-21 | The Governors Of The University Of Alberta | Apparatus and method for assessing percutaneous implant integrity |
| DE102006051032A1 (de) * | 2006-10-21 | 2008-04-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | System und Verfahren zur Bestimmung des Verankerungszustandes implantierter Endoprothesen |
| US20080262347A1 (en) * | 2007-04-20 | 2008-10-23 | Geoffrey Batchelder | Method and apparatus for monitoring integrity of an implanted device |
| TWI389675B (zh) * | 2007-10-05 | 2013-03-21 | Nat Applied Res Laboratories | 非接觸式牙科植體穩固度檢測方法與裝置 |
| US8167614B2 (en) * | 2007-12-06 | 2012-05-01 | National Central University | Apparatus and method of irregular bone defect detection of dental implant |
| TW200924719A (en) * | 2007-12-06 | 2009-06-16 | Univ Nat Central | Inspection device and method for irregular bone defects of dental implant |
| US9386962B2 (en) * | 2008-04-21 | 2016-07-12 | University Of Washington | Method and apparatus for evaluating osteointegration of medical implants |
| KR100956401B1 (ko) | 2008-05-23 | 2010-05-06 | (주)휴네스 | 임플란트고정도 측정장치용 트랜스듀서 유니트 및트랜스듀서 |
| RU2480181C2 (ru) * | 2009-02-04 | 2013-04-27 | Государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный медико-стоматологический университет имени А.И.Евдокимова" Министерства здравоохранения Российской Федерации (ГБОУ ВПО МГМСУ им.А.И.Евдокимова Минздрава России) | Устройство для осуществления мониторинга остеоинтеграции дентальных имплантатов |
| DE202009004348U1 (de) | 2009-03-27 | 2009-06-10 | Bader, Rainer, PD Dr.med. Dipl.-Ing. | Vorrichtung zur In-situ-Messung der Verankerungsfestigkeit von Endoprothesen |
| FR2952799B1 (fr) | 2009-11-24 | 2012-02-17 | Univ Paris Diderot Paris 7 | Procede et dispositif de controle ultrasonore de la tenue mecanique d'une piece inseree dans un corps, en particulier d'un implant dentaire |
| KR101222672B1 (ko) * | 2010-05-25 | 2013-01-28 | 한국세라믹기술원 | Ｒｆａ를 이용한 골융합 측정 장치 |
| KR101229970B1 (ko) * | 2010-05-25 | 2013-02-05 | 한국세라믹기술원 | Ｒｆａ를 이용한 골융합 측정 장치 |
| CN103025238B (zh) | 2010-06-19 | 2015-07-08 | 佩里梅特里克斯有限责任公司 | 用于确定对象的结构特性的系统和方法 |
| SE1001237A1 (sv) * | 2010-12-29 | 2012-06-30 | Ostell Ab | Anordning för kvalitetes provning av ett dentalt fäste |
| US9869606B2 (en) | 2011-06-18 | 2018-01-16 | Perimetrics, Llc | System and method for determining structural characteristics of an object |
| DE102012218673A1 (de) | 2012-10-12 | 2014-04-17 | Universität Rostock | Vorrichtung und Verfahren zur Messung des Verankerungszustandes von Implantaten |
| CN103499644B (zh) * | 2013-09-03 | 2016-04-13 | 中国人民解放军第四军医大学 | 评估牙种植体稳定性的扭转振动共振频率测量法及变幅杆 |
| TWI546060B (zh) | 2013-12-02 | 2016-08-21 | 國立中央大學 | 骨缺損檢測系統、裝置及方法 |
| WO2016204684A1 (en) * | 2015-06-18 | 2016-12-22 | Osstell Ab | Implant stability measuring device and method |
| GB2554456A (en) * | 2016-09-29 | 2018-04-04 | Osstell Ab | A probe |
| EP3562429A4 (en) * | 2016-12-30 | 2020-08-26 | Perimetrics, LLC | SYSTEM AND METHOD OF DETERMINATION OF STRUCTURAL CHARACTERISTICS OF AN OBJECT |
| JP2018187052A (ja) * | 2017-05-02 | 2018-11-29 | 株式会社アドテックス | 歯科用インプラント体の結合度の指標を得るためのテストポール及びそれを備えたシステム |
| FR3080022B1 (fr) * | 2018-04-16 | 2022-03-18 | Centre Nat Rech Scient | Dispositif et procede de controle de la stabilite d'un implant dentaire |
| US20230157799A1 (en) * | 2019-06-30 | 2023-05-25 | Perimetrics, Llc | Determination of structural characteristics of an object |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE728082C (de) * | 1940-05-10 | 1942-11-19 | Hartmann & Braun Ag | Befestigung der Zungen von Zungenfrequenzmessern |
| US3872443A (en) * | 1973-01-26 | 1975-03-18 | Novar Electronics Corp | Individual identification apparatus and method using frequency response |
| FR2330368A1 (fr) * | 1975-11-04 | 1977-06-03 | Anvar | Procede et dispositif de mesure in vivo du degre de consolidation osseuse |
| US4062229A (en) * | 1977-02-22 | 1977-12-13 | General Electric Company | Method of testing the integrity of installed rock bolts |
| EP0181131A3 (en) * | 1984-11-01 | 1987-05-20 | Kent Scientific and Industrial Projects Limited | Apparatus for detecting the resonant frequency of a bone |
| US5024239A (en) * | 1988-12-21 | 1991-06-18 | Rosenstein Alexander D | Method and apparatus for determining osseous implant fixation integrity |
| JPH02246923A (ja) * | 1988-12-21 | 1990-10-02 | Alexander D Rosenstein | 股間接移植診断法 |
| US5045054A (en) * | 1990-02-06 | 1991-09-03 | Advanced Osseous Technologies Inc. | Apparatus for implantation and extraction of osteal prostheses |
| JPH03148032A (ja) * | 1989-11-06 | 1991-06-24 | Nikon Corp | 動揺度測定装置 |
| IL94616A (en) * | 1990-06-04 | 1994-06-24 | Medicano Systems Ltd | Apparatus and method for calculating the mechanical properties of a solid |
| US5103806A (en) * | 1990-07-31 | 1992-04-14 | The Research Foundation Of State University Of New York | Method for the promotion of growth, ingrowth and healing of bone tissue and the prevention of osteopenia by mechanical loading of the bone tissue |
| US5221204A (en) * | 1991-09-23 | 1993-06-22 | Kruger Bernard M | Dental implant product and method of making |
-
1991
- 1991-04-11 GB GB919107700A patent/GB9107700D0/en active Pending
-
1992
- 1992-04-13 US US08/129,076 patent/US5392779A/en not_active Expired - Lifetime
- 1992-04-13 AU AU14684/92A patent/AU660456B2/en not_active Expired
- 1992-04-13 AT AT92908187T patent/ATE140143T1/de active
- 1992-04-13 EP EP92908187A patent/EP0579673B1/en not_active Expired - Lifetime
- 1992-04-13 JP JP50772192A patent/JP3430263B2/ja not_active Expired - Lifetime
- 1992-04-13 CA CA002108145A patent/CA2108145C/en not_active Expired - Lifetime
- 1992-04-13 WO PCT/GB1992/000663 patent/WO1992018053A1/en active IP Right Grant
- 1992-04-13 DE DE69212147T patent/DE69212147T2/de not_active Expired - Lifetime
- 1992-04-13 DK DK92908187.5T patent/DK0579673T3/da active
- 1992-04-13 ES ES92908187T patent/ES2092107T3/es not_active Expired - Lifetime
- 1992-04-13 ZA ZA922690A patent/ZA922690B/xx unknown
-
1993
- 1993-10-08 GB GB9320810A patent/GB2270980B/en not_active Expired - Fee Related
- 1993-10-08 FI FI934445A patent/FI108211B/fi not_active IP Right Cessation
- 1993-10-08 NO NO19933616A patent/NO322661B1/no not_active IP Right Cessation
-
1996
- 1996-10-09 GR GR960402656T patent/GR3021285T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE69212147T2 (de) | 1997-02-13 |
| NO933616D0 (no) | 1993-10-08 |
| AU660456B2 (en) | 1995-06-29 |
| ZA922690B (en) | 1993-03-31 |
| ES2092107T3 (es) | 1996-11-16 |
| FI934445A (fi) | 1993-10-08 |
| FI108211B (fi) | 2001-12-14 |
| AU1468492A (en) | 1992-11-17 |
| GB2270980B (en) | 1994-08-17 |
| DE69212147D1 (de) | 1996-08-14 |
| CA2108145C (en) | 2001-12-11 |
| EP0579673B1 (en) | 1996-07-10 |
| DK0579673T3 (da) | 1996-11-11 |
| EP0579673A1 (en) | 1994-01-26 |
| GB9107700D0 (en) | 1991-05-29 |
| GR3021285T3 (en) | 1997-01-31 |
| US5392779A (en) | 1995-02-28 |
| JPH06506371A (ja) | 1994-07-21 |
| ATE140143T1 (de) | 1996-07-15 |
| GB2270980A (en) | 1994-03-30 |
| WO1992018053A1 (en) | 1992-10-29 |
| GB9320810D0 (en) | 1993-12-22 |
| JP3430263B2 (ja) | 2003-07-28 |
| NO933616L (no) | 1993-10-08 |
| CA2108145A1 (en) | 1992-10-12 |
| FI934445A0 (fi) | 1993-10-08 |
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