JP4662583B2 - 超音波歯科用ツール - Google Patents
超音波歯科用ツール Download PDFInfo
- Publication number
- JP4662583B2 JP4662583B2 JP52704398A JP52704398A JP4662583B2 JP 4662583 B2 JP4662583 B2 JP 4662583B2 JP 52704398 A JP52704398 A JP 52704398A JP 52704398 A JP52704398 A JP 52704398A JP 4662583 B2 JP4662583 B2 JP 4662583B2
- Authority
- JP
- Japan
- Prior art keywords
- tool
- diameter
- cylindrical
- tip
- proximal end
- 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 - Lifetime
Links
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 13
- 150000004767 nitrides Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical group [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims 2
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical group [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims 2
- 238000002360 preparation method Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910007744 Zr—N Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910011208 Ti—N Inorganic materials 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- QYYKWTUUCOTGNS-JIIJFUIFSA-N 7-[(e,6r)-6,7-dihydroxy-3,7-dimethyloct-2-enoxy]chromen-2-one Chemical compound C1=CC(=O)OC2=CC(OC\C=C(CC[C@@H](O)C(C)(C)O)/C)=CC=C21 QYYKWTUUCOTGNS-JIIJFUIFSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 210000004268 dentin Anatomy 0.000 description 1
- 210000004513 dentition Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000000642 iatrogenic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- QYYKWTUUCOTGNS-OJNOIJSXSA-N marmin Natural products O(C/C=C(\CC[C@@H](O)C(O)(C)C)/C)c1cc2OC(=O)C=Cc2cc1 QYYKWTUUCOTGNS-OJNOIJSXSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/16—Dentists' forceps or clamps for removing crowns
- A61C3/166—Dentists' forceps or clamps for removing crowns acting by vibration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
- A61C5/42—Files for root canals; Handgrips or guiding means therefor
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/766,787 | 1996-12-13 | ||
| US08/766,787 US5868570A (en) | 1996-12-13 | 1996-12-13 | Ultrasonic dental tool |
| PCT/US1997/023140 WO1998025536A1 (en) | 1996-12-13 | 1997-12-11 | Ultrasonic dental tool |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001524845A JP2001524845A (ja) | 2001-12-04 |
| JP2001524845A5 JP2001524845A5 (enExample) | 2005-08-11 |
| JP4662583B2 true JP4662583B2 (ja) | 2011-03-30 |
Family
ID=25077533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52704398A Expired - Lifetime JP4662583B2 (ja) | 1996-12-13 | 1997-12-11 | 超音波歯科用ツール |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US5868570A (enExample) |
| EP (2) | EP1574179B1 (enExample) |
| JP (1) | JP4662583B2 (enExample) |
| WO (1) | WO1998025536A1 (enExample) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6390819B2 (en) | 1995-06-06 | 2002-05-21 | Ultradent Products, Inc. | Endodontic systems and methods for the anatomical, sectional and progressive corono-apical preparation of root canals with dedicated stainless steel instruments and dedicated nickel/titanium instruments |
| US6379155B1 (en) | 1996-06-06 | 2002-04-30 | Ultradent Products, Inc. | Endodontic systems and methods for the anatomical, sectional and progressive corono-apical preparation of root canals with instruments utilizing stops |
| US6558163B2 (en) | 1995-06-06 | 2003-05-06 | Ultradent Products, Inc. | Endodontic systems and methods for preparing upper portions of root canals with increasingly rigid files |
| US6585513B2 (en) | 1995-06-06 | 2003-07-01 | Ultradent Products, Inc. | Endodontic systems and methods for preparing apical portions of root canals with a set of files having large tapers |
| DE19825299C1 (de) * | 1998-06-05 | 1999-11-25 | Ver Dentalwerke Antaeos | Zahnwurzelkanalinstrument |
| DE60045099D1 (de) * | 1999-06-04 | 2010-11-25 | Dentsply Int Inc | Mikroendodontisches ultraschallwerkzeug mit einem g |
| US6716028B2 (en) * | 2000-08-04 | 2004-04-06 | Hu-Friedy Mfg. Co., Inc. | Ultrasonic swivel insert |
| BR0103109B1 (pt) * | 2001-06-08 | 2011-09-06 | ferramenta de corte e processo de formação desta. | |
| JP3597158B2 (ja) * | 2001-09-21 | 2004-12-02 | 吉継 寺内 | 歯科用破折器具除去装置 |
| US20030096213A1 (en) | 2001-11-20 | 2003-05-22 | Hickok Teresa R. | Universal ultrasonic finishing instrument |
| US6722882B2 (en) | 2002-02-15 | 2004-04-20 | Earth City Technologies, Inc. | Dental instruments for use with ultrasonic handpieces |
| WO2005025439A2 (en) | 2002-11-15 | 2005-03-24 | San Diego Swiss Machining, Inc. | Ultrasonic dental tip with waterguide design |
| US6948935B2 (en) * | 2002-12-30 | 2005-09-27 | The Ohio State University | Ultrasonic dental device |
| US20050136375A1 (en) * | 2003-12-20 | 2005-06-23 | Sicurelli Robert J.Jr. | Method and apparatus to remove macro and micro debris from a root canal |
| USD540945S1 (en) | 2004-02-18 | 2007-04-17 | Young Os, Lc | Periodontal scaling tip for ultrasonic dental handpiece |
| FR2869792B1 (fr) * | 2004-05-05 | 2006-07-14 | Satelec Soc | Instrument dentaire a ultrasons |
| JP2006271651A (ja) * | 2005-03-29 | 2006-10-12 | Matsumoto Shika Univ | 液体注入用針部品、及びその製造方法 |
| US8235719B2 (en) | 2005-04-13 | 2012-08-07 | Endo Inventions, Llc | Apparatus for cleaning a root canal system |
| US20060234182A1 (en) * | 2005-04-13 | 2006-10-19 | Ruddle Clifford J | Apparatus for cleaning a root canal system |
| US8388345B2 (en) * | 2005-04-13 | 2013-03-05 | Clifford J. Ruddle | Method for cleaning a root canal system |
| US8043088B2 (en) | 2005-05-16 | 2011-10-25 | Johnson Douglas B | Endodontic procedure employing simultaneous liquefaction and acoustic debridgement |
| WO2006123336A2 (en) | 2005-05-17 | 2006-11-23 | Yeda Research And Development Company Ltd. | Low friction coatings for use in dental and medical devices |
| US20070065773A1 (en) * | 2005-09-19 | 2007-03-22 | Hickok Teresa R | Root canal obstruction removal system |
| US10835355B2 (en) | 2006-04-20 | 2020-11-17 | Sonendo, Inc. | Apparatus and methods for treating root canals of teeth |
| EP4272694A3 (en) | 2006-04-20 | 2024-01-03 | Sonendo, Inc. | Apparatus for treating root canals of teeth |
| US7604479B2 (en) * | 2006-07-26 | 2009-10-20 | Buchanan L Stephen | Tip wrench for ultrasonic dental tool |
| US7980854B2 (en) | 2006-08-24 | 2011-07-19 | Medical Dental Advanced Technologies Group, L.L.C. | Dental and medical treatments and procedures |
| US12114924B2 (en) | 2006-08-24 | 2024-10-15 | Pipstek, Llc | Treatment system and method |
| US20100330523A1 (en) * | 2007-03-30 | 2010-12-30 | Cms Dental Aps | Optical tip for photosynthesis |
| US20080248444A1 (en) * | 2007-04-04 | 2008-10-09 | Bahcall James K | Ultrasonic endodontic tip having a low-modulus of elasticity |
| WO2010080586A1 (en) * | 2008-12-18 | 2010-07-15 | Neill Hamilton Luebke | Dental and medical instruments comprising stainless steel |
| US9788925B2 (en) | 2009-08-19 | 2017-10-17 | Vicky L Moran | Transducer activated tool with water conduit |
| CA2780800C (en) | 2009-11-13 | 2023-09-12 | Sonendo, Inc. | Liquid jet apparatus and methods for dental treatments |
| US9155595B2 (en) * | 2010-06-21 | 2015-10-13 | Yeda Research And Development Co. Ltd. | Endodontic files and method of preparation thereof |
| CA2815219A1 (en) | 2010-10-21 | 2012-04-26 | Sonendo, Inc. | Apparatus, methods, and compositions for endodontic treatments |
| WO2013013148A1 (en) * | 2011-07-20 | 2013-01-24 | Balson Marc | Medical irrigation device |
| EP2779934B1 (en) * | 2011-11-17 | 2016-08-03 | Loma Linda University | Device for placing root repair materials for root-end cavities |
| WO2013116655A1 (en) * | 2012-02-03 | 2013-08-08 | Gouery Gwenael D | Cutting tips for ultrasonic surgical system |
| JP6407140B2 (ja) | 2012-03-22 | 2018-10-17 | ソネンド インコーポレイテッド | 歯を洗浄する装置および方法 |
| US10631962B2 (en) | 2012-04-13 | 2020-04-28 | Sonendo, Inc. | Apparatus and methods for cleaning teeth and gingival pockets |
| USD704024S1 (en) * | 2012-07-10 | 2014-05-06 | 3M Innovative Properties Company | Handle |
| USD704025S1 (en) * | 2012-11-21 | 2014-05-06 | 3M Innovative Properties Company | Handle |
| US10363120B2 (en) | 2012-12-20 | 2019-07-30 | Sonendo, Inc. | Apparatus and methods for cleaning teeth and root canals |
| ES2883954T3 (es) | 2012-12-20 | 2021-12-09 | Sonendo Inc | Aparato de limpieza de dientes y de conductos radiculares |
| WO2014121293A1 (en) | 2013-02-04 | 2014-08-07 | Sonendo, Inc. | Dental treatment system |
| WO2014179619A2 (en) | 2013-05-01 | 2014-11-06 | Sonendo, Inc. | Apparatus and methods for treating teeth |
| US9877801B2 (en) | 2013-06-26 | 2018-01-30 | Sonendo, Inc. | Apparatus and methods for filling teeth and root canals |
| CN103494646A (zh) * | 2013-10-14 | 2014-01-08 | 桂林市啄木鸟医疗器械有限公司 | 钛合金的牙科手机 |
| WO2015102006A1 (en) | 2014-01-06 | 2015-07-09 | Yeda Research And Development Co. Ltd. | Attenuation of encrustation of medical devices using coatings of inorganic fullerene-like nanoparticles |
| JP6349526B2 (ja) * | 2015-01-29 | 2018-07-04 | 株式会社ミクロン | 歯科用振動式ハンドピースのブラシホルダーの製造方法 |
| US10806544B2 (en) | 2016-04-04 | 2020-10-20 | Sonendo, Inc. | Systems and methods for removing foreign objects from root canals |
| US20170333169A1 (en) * | 2016-05-19 | 2017-11-23 | Tram Quynh Hoang | Scaler Tips and Implant Cleaning Inserts |
| AU2017325871B2 (en) | 2016-09-16 | 2022-12-22 | Stryker European Operations Holdings Llc | Tip for an ultrasonic surgical tool with case hardened cutting edges and method of making same |
| WO2018195282A1 (en) * | 2017-04-19 | 2018-10-25 | Engineered Endodontics, Llc | Endodontic tool |
| KR102041099B1 (ko) * | 2018-01-11 | 2019-11-06 | 조용식 | 근관 충전 장치 |
| WO2019183711A2 (en) * | 2018-03-30 | 2019-10-03 | Christopher Morris | Dental burs for anatomy and reducing anesthetic use |
| EP3574865B1 (en) * | 2018-05-30 | 2021-07-07 | Coltène GmbH + Co. KG | Endodontic instrument |
| US11439479B1 (en) * | 2018-10-19 | 2022-09-13 | Leonard Garfinkel | Method and device for treatment of peri-implantitis |
| USD997355S1 (en) | 2020-10-07 | 2023-08-29 | Sonendo, Inc. | Dental treatment instrument |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2831132A (en) * | 1954-06-28 | 1958-04-15 | Forest W Jackson | Magnetostrictive reciprocating motor |
| NL106732C (enExample) * | 1955-03-08 | |||
| US4135302A (en) * | 1975-02-28 | 1979-01-23 | National Patent Development Corporation | Endodontic therapeutic device and procedures |
| US4019254A (en) * | 1975-06-30 | 1977-04-26 | Oscar Malmin | Endodontic operating instrument |
| US4223676A (en) * | 1977-12-19 | 1980-09-23 | Cavitron Corporation | Ultrasonic aspirator |
| US4353696A (en) * | 1981-07-10 | 1982-10-12 | Bridges Byron K | Vibrating dental tool device and method |
| FR2534134B1 (fr) * | 1982-10-07 | 1985-07-05 | Sanofi Sa | Procede de descellement de protheses dentaires au moyen de vibrations ultrasonores et outil pour la mise en oeuvre de ce procede |
| IT1221486B (it) * | 1983-05-25 | 1990-07-06 | Dott Riitano Francesco | Strumento ondodontico rigido con anima guida interna per la rettificazione e l' alesaggio dei canali radicolare dentali |
| DE3327535A1 (de) * | 1983-07-30 | 1985-02-07 | Blendax-Werke R. Schneider Gmbh & Co, 6500 Mainz | Zahnaertzliche praeparationswerkzeuge und verfahren zu deren herstellung |
| US4731019A (en) * | 1984-06-04 | 1988-03-15 | Howard Martin | Diamond coated scaler dental instrument for ultrasonic operation |
| FR2566262B1 (fr) * | 1984-06-21 | 1988-08-05 | Satelec Soc | Appareil de traitement canalaire par ultrasons en odontologie |
| DK165662C (da) * | 1985-04-15 | 1993-05-24 | Sven Karl Lennart Goof | Vaerktoej, isaer til brug ved rensning af tandrodskanaler, samt drivelement hertil |
| US4681541A (en) * | 1985-07-05 | 1987-07-21 | Snaper Alvin A | Dental bur with enhanced durability |
| JPS6266848A (ja) * | 1985-09-20 | 1987-03-26 | 住友ベークライト株式会社 | 外科手術用具 |
| US5026284A (en) * | 1988-02-17 | 1991-06-25 | Howard Martin | Apex root canal file |
| US5019083A (en) * | 1989-01-31 | 1991-05-28 | Advanced Osseous Technologies, Inc. | Implanting and removal of orthopedic prostheses |
| US4981756A (en) * | 1989-03-21 | 1991-01-01 | Vac-Tec Systems, Inc. | Method for coated surgical instruments and tools |
| FR2647662B1 (fr) * | 1989-06-05 | 1991-08-09 | Micro Mega Sa | Instrument canalaire endodontique en titane |
| WO1991005076A1 (fr) * | 1989-09-29 | 1991-04-18 | Sumitomo Electric Industries, Ltd. | Element dur revêtu en surface pour outils de coupe et pour outils resistant a l'abrasion |
| US5100321A (en) * | 1990-04-30 | 1992-03-31 | Coss Ronald G | Dental tool |
| SU1744148A1 (ru) * | 1990-06-29 | 1992-06-30 | Опытное конструкторское бюро "Факел" | Способ обработки медицинского инструмента из титановых сплавов |
| US5145739A (en) * | 1990-07-12 | 1992-09-08 | Sarin Vinod K | Abrasion resistant coated articles |
| US5376444A (en) * | 1990-07-27 | 1994-12-27 | Grotepass; Wilhelm P. | Diamond coated wear resistant tools |
| US5094617B1 (en) * | 1990-12-11 | 1997-03-11 | Gary B Carr | Dental retro-filling preparation tool and method |
| US5490779A (en) * | 1991-05-23 | 1996-02-13 | Malmin; Oscar | Dental irrigating and aspiration system |
| DE9116342U1 (de) * | 1991-10-02 | 1992-07-16 | Siemens AG, 8000 München | Vorrichtung zum paßgenauen Aufbringen und Befestigen zahnmedizinischer Paßkörper |
| US5244390A (en) * | 1992-01-14 | 1993-09-14 | Implant Innovations, Inc. | Dental scaling instrument |
| US5242302A (en) * | 1992-02-03 | 1993-09-07 | Riehm Vincent J | Amalgam condenser tool |
| US5320530A (en) * | 1992-12-17 | 1994-06-14 | Fong Cheng D | Endodontic apparatus for retrofill cavity preparation |
| US5380200A (en) * | 1993-10-08 | 1995-01-10 | Quality Dental Products, Inc. | Endodontic instrument of predetermined flexibility |
| US5484398A (en) * | 1994-03-17 | 1996-01-16 | Valleylab Inc. | Methods of making and using ultrasonic handpiece |
| US5489208A (en) * | 1994-03-21 | 1996-02-06 | Mandell; Charles S. | Dental bur with liquid-cooled tip |
| US5567153A (en) * | 1994-08-25 | 1996-10-22 | Dentsply Research & Development Corp. | Transducer activated tool tip |
-
1996
- 1996-12-13 US US08/766,787 patent/US5868570A/en not_active Expired - Lifetime
-
1997
- 1997-03-28 US US08/825,328 patent/US5836765A/en not_active Expired - Lifetime
- 1997-12-11 WO PCT/US1997/023140 patent/WO1998025536A1/en not_active Ceased
- 1997-12-11 EP EP05012327.2A patent/EP1574179B1/en not_active Expired - Lifetime
- 1997-12-11 JP JP52704398A patent/JP4662583B2/ja not_active Expired - Lifetime
- 1997-12-11 EP EP97953238A patent/EP0991367A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001524845A (ja) | 2001-12-04 |
| US5836765A (en) | 1998-11-17 |
| EP1574179B1 (en) | 2015-09-02 |
| EP1574179A3 (en) | 2005-11-16 |
| EP0991367A1 (en) | 2000-04-12 |
| EP1574179A2 (en) | 2005-09-14 |
| US5868570A (en) | 1999-02-09 |
| WO1998025536A1 (en) | 1998-06-18 |
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