FR2374886A1 - Procede de percage des parties dures, en chirurgie, et appareil pour sa mise en oeuvre - Google Patents
Procede de percage des parties dures, en chirurgie, et appareil pour sa mise en oeuvreInfo
- Publication number
- FR2374886A1 FR2374886A1 FR7718426A FR7718426A FR2374886A1 FR 2374886 A1 FR2374886 A1 FR 2374886A1 FR 7718426 A FR7718426 A FR 7718426A FR 7718426 A FR7718426 A FR 7718426A FR 2374886 A1 FR2374886 A1 FR 2374886A1
- Authority
- FR
- France
- Prior art keywords
- tool
- rotational movement
- drilling
- hard parts
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1622—Drill handpieces
- A61B17/1624—Drive mechanisms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/027—Driving main working members reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/03—Processes
- Y10T408/04—Bit detachable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/50—Cutting by use of rotating axially moving tool with product handling or receiving means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/65—Means to drive tool
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Surgical Instruments (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Ce procédé, destiné au perçage de parties dures telles que des os, des cartilages, est caracterisé en ce que l'on effectue le perçage en imprimant à l'outil un mouvement de rotation alternatif d'amplitude inférieure à un tour, contrairement aux procédés actuels dans lesquels on imprime à l'outil un mouvement rotatif unidirectionnel. L'appareil pour la mise en oeuvre du procédé comprend essentiellement un organe propre à porter et entraîner l'outil et des moyens d'entraînement de cet organe lui communiquant un mouvement de rotation alternatif d amplitude inférieure à un tour. Ces moyens peuvent être un moteur à mouvement de rotation unidirectionnel continu et un mécanisme intercalé entre ledit moteur et l'organe portant l'outil, apte à transformer le mouvement de rotation unidirectionnel en un mouvement de rotation alternatif. Applications : l'outil utilisé peut être une mèche, une fraise, une broche, voire même un équarrissoir.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1617776A CH610753A5 (fr) | 1976-12-22 | 1976-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2374886A1 true FR2374886A1 (fr) | 1978-07-21 |
FR2374886B1 FR2374886B1 (fr) | 1981-08-28 |
Family
ID=4415062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7718426A Granted FR2374886A1 (fr) | 1976-12-22 | 1977-06-10 | Procede de percage des parties dures, en chirurgie, et appareil pour sa mise en oeuvre |
Country Status (16)
Country | Link |
---|---|
US (1) | US4111208A (fr) |
JP (1) | JPS5380789A (fr) |
AT (1) | AT370608B (fr) |
BE (1) | BE861446A (fr) |
CA (1) | CA1112970A (fr) |
CH (1) | CH610753A5 (fr) |
DE (1) | DE2730227C3 (fr) |
DK (1) | DK570977A (fr) |
ES (1) | ES465719A1 (fr) |
FI (1) | FI773650A (fr) |
FR (1) | FR2374886A1 (fr) |
GB (1) | GB1550577A (fr) |
IT (1) | IT1081824B (fr) |
NL (1) | NL182532C (fr) |
NO (1) | NO145042C (fr) |
SE (1) | SE7714153L (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465548A1 (fr) * | 1979-09-24 | 1981-03-27 | Leuenberger Roland | Perceuse-taraudeuse |
US10194922B2 (en) | 2012-05-11 | 2019-02-05 | Peter L. Bono | Rotary oscillating bone, cartilage, and disk removal tool assembly |
US10582933B2 (en) | 2018-03-22 | 2020-03-10 | Capstone Surgical Techologies, LLC | Oscillating surgical cutting tool |
US10835263B2 (en) | 2016-11-17 | 2020-11-17 | Peter L. Bono | Rotary oscillating surgical tool |
US11000306B2 (en) | 2017-10-23 | 2021-05-11 | Peter L. Bono | Rotary oscillating/reciprocating surgical tool |
US11135026B2 (en) | 2012-05-11 | 2021-10-05 | Peter L. Bono | Robotic surgical system |
US11173000B2 (en) | 2018-01-12 | 2021-11-16 | Peter L. Bono | Robotic surgical control system |
US11857351B2 (en) | 2018-11-06 | 2024-01-02 | Globus Medical, Inc. | Robotic surgical system and method |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267841A (en) * | 1978-01-06 | 1981-05-19 | Fraser Alexander R | Nail matrix trephine |
CH661104A5 (de) * | 1982-09-22 | 1987-06-30 | Straumann Inst Ag | Vorrichtung zur umwandlung von drehbewegungen mit einer einzigen drehrichtung in drehbewegungen mit abwechselnden drehrichtungen und verwendung dieser vorrichtung. |
JPS5950956U (ja) * | 1982-09-23 | 1984-04-04 | 山森 彰三 | 繊維機械用ボビン支持台 |
US4596243A (en) * | 1983-05-25 | 1986-06-24 | Bray Robert S | Surgical methods and apparatus for bone removal |
US4765333A (en) * | 1983-05-25 | 1988-08-23 | Bray Robert S | Surgical methods and apparatus for bone removal |
US4936845A (en) * | 1987-03-17 | 1990-06-26 | Cordis Corporation | Catheter system having distal tip for opening obstructions |
US5116350B1 (en) * | 1987-03-17 | 1997-06-17 | Cordis Corp | Catheter system having distal tip for opening obstructions |
US5122153A (en) * | 1990-03-22 | 1992-06-16 | Harrel Stephen K | Tissue removing instrument and method |
GB9020120D0 (en) * | 1990-09-14 | 1990-10-24 | Cridland John V | Dust collecting vacuum attachment for power drills |
US5112338A (en) * | 1991-02-11 | 1992-05-12 | Anspach Iii William E | Surgical instrument for removing artificial acetabular cups |
US6250532B1 (en) * | 1991-10-18 | 2001-06-26 | United States Surgical Corporation | Surgical stapling apparatus |
CA2124853A1 (fr) * | 1992-06-12 | 1993-12-23 | Larry Steven Nichter | Guide-broche et methode d'utilisation |
US5547376A (en) * | 1992-06-18 | 1996-08-20 | Harrel; Stephen K. | Methods and apparatus for containing and recovering abrasive powders from an abrasive polisher |
US5378150A (en) * | 1992-06-18 | 1995-01-03 | Harrel; Stephen K. | Methods and apparatus for controlling the aerosol envelope generated by ultrasonic devices |
US5439005A (en) * | 1993-03-02 | 1995-08-08 | Midas Rex Pneumatic Tools, Inc. | Surgical instrument with telescoping sleeve |
US5676545A (en) * | 1994-08-15 | 1997-10-14 | Jones; Shedrick D. | Method and apparatus for implantation |
US5601583A (en) * | 1995-02-15 | 1997-02-11 | Smith & Nephew Endoscopy Inc. | Surgical instrument |
US5667509A (en) * | 1995-03-02 | 1997-09-16 | Westin; Craig D. | Retractable shield apparatus and method for a bone drill |
US6071284A (en) | 1995-10-30 | 2000-06-06 | Biomedical Enterprises, Inc. | Materials collection system and uses thereof |
EP0859570A4 (fr) * | 1995-10-30 | 2000-03-15 | Biomedical Enterprises Inc | Systeme de collecte de matieres et ses utilisations |
US5685673A (en) * | 1996-04-02 | 1997-11-11 | Jarvis; Wayne C. | Twist drill with reverse flutes |
US5891153A (en) * | 1997-12-23 | 1999-04-06 | Peterson; Randy | Auger nucleus extracted for cataracts |
US6227773B1 (en) * | 2000-01-03 | 2001-05-08 | The Boeing Company | Compact autofeed drill and associated drilling method and apparatus |
US20030220646A1 (en) * | 2002-05-23 | 2003-11-27 | Thelen Sarah L. | Method and apparatus for reducing femoral fractures |
DE10303964A1 (de) * | 2003-01-31 | 2004-08-19 | Wolfgang Prof. Dr. Oettinger | Medizinische Bohrvorrichtung und medizinisches Bohrverfahren |
CN1925798A (zh) * | 2004-02-05 | 2007-03-07 | Bti,I+D,有限公司 | 具有组织微粒的提取和收集的低速、无冲洗的研磨方法和工具 |
US20060229624A1 (en) * | 2005-03-31 | 2006-10-12 | Zimmer Technology, Inc. | Orthopaedic cutting instrument and method |
US20070243031A1 (en) * | 2006-04-14 | 2007-10-18 | Song-Moon Yun | Safety debris collecting device |
US20070270771A1 (en) * | 2006-04-24 | 2007-11-22 | Ralph James D | Autologous bone harvest during osteotomy and bone drilling procedures |
US7758651B2 (en) * | 2006-10-18 | 2010-07-20 | Howmedica Osteonics Corp. | Mis patellar preparation |
US8628530B2 (en) | 2007-08-16 | 2014-01-14 | Nutek Orthopedics, Inc. | External fixation apparatus with angularly adjustable drill guiding and pin clamping means |
US20090050682A1 (en) * | 2007-08-22 | 2009-02-26 | Jennifer Cole | E-Z BOP BOX TOP a re-closable box with a spout |
GB0716464D0 (en) * | 2007-08-23 | 2007-10-03 | Smith & Nephew | Medical device and method |
AU2009262866B2 (en) | 2008-06-26 | 2013-02-21 | Wayne Anderson | Depth controllable and measurable medical driver devices and methods of use |
DE102008061249A1 (de) * | 2008-12-10 | 2010-06-17 | Gottfried Wilhelm Leibniz Universität Hannover | Ein chirurgisches Bohrverfahren, eine für chirurgische Zwecke bestimmte Bohrmaschine mit einem Aufsatz sowie ein Aufsatz für eine für chirurgische Zwecke bestimmte Bohrmaschine |
WO2011123703A1 (fr) * | 2010-03-31 | 2011-10-06 | Smart Medical Devices, Inc. | Dispositifs de commande medicale de mesure et de controle de la profondeur |
EP2742896B1 (fr) * | 2011-08-11 | 2018-08-08 | Osstemimplant Co., Ltd. | Dispositif collecteur d'autogreffe pour prélèvement d'os autogène |
JP2013106871A (ja) * | 2011-11-24 | 2013-06-06 | Nakanishi:Kk | 歯科用ハンドピース |
US9629684B2 (en) * | 2013-03-15 | 2017-04-25 | Acclarent, Inc. | Apparatus and method for treatment of ethmoid sinusitis |
US9615816B2 (en) | 2013-03-15 | 2017-04-11 | Vidacare LLC | Drivers and drive systems |
US10238252B2 (en) * | 2014-05-15 | 2019-03-26 | Christopher Joseph Buczek | Dust collector for a drill press or system |
WO2016143846A1 (fr) * | 2015-03-11 | 2016-09-15 | テルモ株式会社 | Dispositif de retrait de corps étrangers |
EP3413812B1 (fr) | 2016-02-12 | 2021-05-19 | Smart Medical Devices, Inc. | Dispositifs d'entraînement de détermination de résistance de matériau en temps réel |
WO2019035940A1 (fr) | 2017-08-16 | 2019-02-21 | Milwaukee Electric Tool Corporation | Collecteur de poussière pour outil électrique |
US11517328B2 (en) * | 2019-03-19 | 2022-12-06 | Arthrex, Inc. | Force absorption system for disposable shavers and burrs |
US11931052B2 (en) | 2021-10-08 | 2024-03-19 | Nuvasive, Inc. | Assemblies, systems, and methods for a neuromonitoring drill bit |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1308798A (en) * | 1919-07-08 | Surgical instrument | ||
US1299241A (en) * | 1918-06-08 | 1919-04-01 | Niles Bement Pond Co | Tapping mechanism for drilling-machines. |
US2144342A (en) * | 1937-08-18 | 1939-01-17 | Gordon M Morrison | Bone drill device |
US2354735A (en) * | 1943-03-22 | 1944-08-01 | Charles H Bensinger | Tool |
US3049018A (en) * | 1959-02-03 | 1962-08-14 | Lusskin Harold | Hand tool |
DE1993113U (de) * | 1964-03-17 | 1968-09-05 | Micro Mega Sa | Winkelhandstueck fuer zahnaerztliche werkzeuge zur wurzelkanalaufbereitung. |
FR1421503A (fr) * | 1964-11-03 | 1965-12-17 | F E C Sa Francaise D Equipemen | Scie chirurgicale |
DE1566243B1 (de) * | 1967-11-08 | 1970-02-19 | Kaltenbach & Voigt | Kopfteil fuer ein zahnaerztliches Winkelstueck zur Wurzelkanalbehandlung |
US3682177A (en) * | 1970-03-18 | 1972-08-08 | Acme Eng Co Inc | Cranial drilling instrument |
NL7101657A (fr) * | 1970-12-05 | 1972-06-07 | ||
JPH048991U (fr) * | 1990-05-10 | 1992-01-27 |
-
1976
- 1976-12-22 CH CH1617776A patent/CH610753A5/xx not_active IP Right Cessation
-
1977
- 1977-06-08 IT IT24466/77A patent/IT1081824B/it active
- 1977-06-10 FR FR7718426A patent/FR2374886A1/fr active Granted
- 1977-06-28 US US05/810,763 patent/US4111208A/en not_active Expired - Lifetime
- 1977-07-05 DE DE2730227A patent/DE2730227C3/de not_active Expired
- 1977-07-07 AT AT0488877A patent/AT370608B/de not_active IP Right Cessation
- 1977-12-01 FI FI773650A patent/FI773650A/fi not_active Application Discontinuation
- 1977-12-02 BE BE183125A patent/BE861446A/fr not_active IP Right Cessation
- 1977-12-07 NL NLAANVRAGE7713563,A patent/NL182532C/xx not_active IP Right Cessation
- 1977-12-13 SE SE7714153A patent/SE7714153L/ not_active Application Discontinuation
- 1977-12-14 CA CA293,036A patent/CA1112970A/fr not_active Expired
- 1977-12-19 GB GB52641/77A patent/GB1550577A/en not_active Expired
- 1977-12-21 JP JP15302577A patent/JPS5380789A/ja active Granted
- 1977-12-21 ES ES465719A patent/ES465719A1/es not_active Expired
- 1977-12-21 NO NO77774411A patent/NO145042C/no unknown
- 1977-12-21 DK DK570977A patent/DK570977A/da unknown
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465548A1 (fr) * | 1979-09-24 | 1981-03-27 | Leuenberger Roland | Perceuse-taraudeuse |
EP0026022A1 (fr) * | 1979-09-24 | 1981-04-01 | Roland Leuenberger | Perceuse-taraudeuse |
US4355931A (en) * | 1979-09-24 | 1982-10-26 | Roland Leuenberger | Tapping drill |
US11389179B2 (en) | 2012-05-11 | 2022-07-19 | Globus Medical, Inc. | Rotary oscillating bone, cartilage, and disk removal tool assembly |
US11135026B2 (en) | 2012-05-11 | 2021-10-05 | Peter L. Bono | Robotic surgical system |
US10194922B2 (en) | 2012-05-11 | 2019-02-05 | Peter L. Bono | Rotary oscillating bone, cartilage, and disk removal tool assembly |
US11819300B2 (en) | 2012-05-11 | 2023-11-21 | Globus Medical, Inc. | Robotic surgical system and method |
US10835263B2 (en) | 2016-11-17 | 2020-11-17 | Peter L. Bono | Rotary oscillating surgical tool |
US11857203B2 (en) | 2016-11-17 | 2024-01-02 | Globus Medical, Inc. | Rotary oscillating surgical tool |
US11000306B2 (en) | 2017-10-23 | 2021-05-11 | Peter L. Bono | Rotary oscillating/reciprocating surgical tool |
US11173000B2 (en) | 2018-01-12 | 2021-11-16 | Peter L. Bono | Robotic surgical control system |
US10582933B2 (en) | 2018-03-22 | 2020-03-10 | Capstone Surgical Techologies, LLC | Oscillating surgical cutting tool |
US11766266B2 (en) | 2018-03-22 | 2023-09-26 | Globus Medical Inc. | Oscillating surgical cutting tool |
US11857351B2 (en) | 2018-11-06 | 2024-01-02 | Globus Medical, Inc. | Robotic surgical system and method |
Also Published As
Publication number | Publication date |
---|---|
ATA488877A (de) | 1982-09-15 |
JPS5380789A (en) | 1978-07-17 |
NL182532B (nl) | 1987-11-02 |
US4111208A (en) | 1978-09-05 |
BE861446A (fr) | 1978-03-31 |
NO145042C (no) | 1982-01-04 |
NO774411L (no) | 1978-06-23 |
NO145042B (no) | 1981-09-21 |
NL182532C (nl) | 1988-04-05 |
ES465719A1 (es) | 1980-12-16 |
SE7714153L (sv) | 1978-06-23 |
CA1112970A (fr) | 1981-11-24 |
FR2374886B1 (fr) | 1981-08-28 |
DE2730227C3 (de) | 1987-04-16 |
FI773650A (fi) | 1978-06-23 |
GB1550577A (en) | 1979-08-15 |
DE2730227B2 (de) | 1980-12-18 |
DK570977A (da) | 1978-06-23 |
IT1081824B (it) | 1985-05-21 |
DE2730227A1 (de) | 1978-06-29 |
JPS5613462B2 (fr) | 1981-03-28 |
NL7713563A (nl) | 1978-06-26 |
AT370608B (de) | 1983-04-25 |
CH610753A5 (fr) | 1979-05-15 |
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