DK159046B - Hofteskaalsprotese - Google Patents
Hofteskaalsprotese Download PDFInfo
- Publication number
- DK159046B DK159046B DK46684A DK46684A DK159046B DK 159046 B DK159046 B DK 159046B DK 46684 A DK46684 A DK 46684A DK 46684 A DK46684 A DK 46684A DK 159046 B DK159046 B DK 159046B
- Authority
- DK
- Denmark
- Prior art keywords
- axis
- spherical
- prosthesis
- hip prosthesis
- front surface
- Prior art date
Links
- 210000001624 hip Anatomy 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 210000004197 pelvis Anatomy 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000011540 hip replacement Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000011541 total hip replacement Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
- A61B17/8066—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones for pelvic reconstruction
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/30807—Plurality of blind bores
- A61F2002/30808—Plurality of blind bores parallel
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/3082—Grooves
- A61F2002/30822—Circumferential grooves
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/3082—Grooves
- A61F2002/30827—Plurality of grooves
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3429—Acetabular cups with an integral peripheral collar or flange, e.g. oriented away from the shell centre line
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3445—Acetabular cups having a number of shells different from two
- A61F2002/3446—Single cups
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
- A61F2002/3493—Spherical shell significantly greater than a hemisphere, e.g. extending over more than 200 degrees
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Description
DK 159046 B
Opfindelsen angår en hofteskålsprotese inkluderende en væg med en ydre overflade symmetrisk omkring en første akse, hvilken væg ender i en frontflade, en indre modtagende flade for et lårbenshovede indbefattende en 5 blind udboring, der strækker sig fra frontfladen ind mod den ydre overflade, idet denne blinde udboring omfatter en sfærisk del og en cylindrisk del symmetrisk om en anden akse, idet radius for den cylindriske del er den samme som radius for den sfæriske del, og centrum 10 for den sfæriske del ligger på den anden akse.
Ved en kirurgisk total hofteerstatningsoperation indsættes en hofteskålsprotese i en hofteskål i det menneskelige bækken og en tilsvarende femoralkomponent indsættes i låret. Efter en sådan 15 hofteerstatningsoperation er et af de væsentlige problemer risikoen for forskydning af hoften,normalt som et resultat af en særlig bevægelse hos personen.
Dette er særligt almindeligt efter gentagen operation.
U.S. patentskrift nr. 3.829.904 beskriver en 20 hofteskålsprotese omfattende en ydre overflade og en indre modtagende flade for et lårbenshovede, hvor centrene for de to overflader er forskudt for hinanden, og hvor vinklen mellem symmetriakserne for de to overflader er ca. 20°. Den gensidige forskydning af centrene 25 for de to overflader og vinklen mellem de to symmetriakser for disse tjener til opnåelse af en forøget vægtykkelse i den mest belastede del af protesen. Dette er fordelagtigt, da det forhindrer, at lårbensdelen i protesen tidligt bryder gennem denne, men der opnås ikke 30 derved en tilstrækkelig beskyttelse mod dislokation.
Opfindelsens formål er en sådan beskyttelse.
Dette opnås ved hofteskålsprotesen ifølge opfindelsen, der er ejendommelig ved, at den anden akse hælder med en vinkel på mellem 47° og 36,5° i forhold til 35 den første akse.
Denne hældning mellem de to symmetriakser er fortrinsvis 41,5°.
DK 159046 B
2
Centrum for den sfæriske del kan ligge på protesens centrale akse, sammenfaldende med centrum for den ydre overflade, men kan være forskudt herfra for at give en forøget tykkelse mellem· den lårbenshovedmodtagen-5 de overflade og protesens ydre overflade på det punlt, hvor der påtrykkes størst tryk.
Frontfladen kan være plan og i snit definere en korde til den ydre overflade; den er imidlertid ikke nødvendigvis plan.
10 Protesen monteres fortrinsvis i bækkenet, således at den anden akse forløber parallelt med den retning.
1 hvilken et tilhørende lårbenshovede mest sandsynligt vil slippe ud af den blinde udboring. Idet den hældende sfæriske overflade sammen med den ydre overflade danner 15 en fremspringende kant, vil området, hvor denne kant er størst, ved en sådan montering være ensrettet med det plan, hvori forskydning mest sandsynligt kan forekomme .
Hensigtsmæssigt kan- en del„ af frontfladen være 20 bortskåret i området ved overgangen mellem den indre modtagende overflade for lårbenshovedet og frontfladen, og den kan hensigtsmæssigt inkludere en udvendig flange. Materialet kan være af en hvilken som he-lst pas-sende art, det er hensigtsmæssigt højdensitets polyethylen.
25 Nedenfor beskrives et udførelseseksempel på én hofteskålsprotese under henvisning til den medfølgende tegning, hvori
Fig. 1 viser et planbillede af en hofteskålsprotese, 30 Fig. 2 et sidebillede af protesen,
Fig. 3 et billede af protesens ydre overflade,
Fig. 4 et tværsnit langs linien A-A i Fig. 1 og
Fig. 5 et tværsnit langs linien B-B i Fig. 1.
35 En hofteprotese 1 inkluderer en ydre overflade 2 , en indre lårbensknoglemodtagende overflade 3, en plan frontflade 4 og en ringformet flange 5. Protesen
Claims (9)
1. Hofteskålsprotese inkluderende en væg med en 30 ydre overflade (2) symmetrisk omkring en første akse (9), hvilken væg ender i en frontflade (4), en indre modtagende flade (3, 6, 7) for et lårbenshovede indbefattende en blind udboring, der strækker sig fra frontfladen (4) ind mod den ydre overflade (2), idet denne blinde udboring omfatter en sfærisk del (6) og en cylindrisk del (7) 35 symmetrisk om en anden akse (8), idet radius for den cylindriske del (7) er den samme som radius for den sfæriske del (6), og centrum for den sfæriske del ligger DK 159046 B på den anden akse (8), kendetegnet ved, at den anden akse (8) hælder med en vinkel på mellem 47° og 36,5° i forhold til den første (9). _ _ . ...
2. Hofteskålsprotese ifølge krav 1, kende-5 t e g n- e t ved, at vinklen mellem den anden akse (8) og den første akse (9) er 41,5°.
3. Hofteskålsprotese ifølge, krav 1-2, k- e n d e-' tegnet ved, at det sfæriske centrum (13) for den sfæriske del (6) af den blinde udboring er sammenfal- 10 dende med det sfæriske centrum for den ydre overflade (2).
4. Hofteskålsprotese ifølge krav 1 eller 2, kendetegnet ved, at det sfæriske centrum (13) for den sfæriske del (6) er forskudt fra det sfæriske 15 centrum for den ydre overflade C2J langs den anden akse (8) til opnåelse af en forøget vægtykkelse i det lukkede endeområde af protesen.
5. Hofteskålsprotese ifølge ét eller flere af de forrige krav, kendetegnet ved, at frontfladen 20 (4) er plan og i snit definerer en korde til den ydre overflade (2).
5 Centrum for den sfæriske del 6 ligger på symmetriaksen 8 for den cylindriske overflade 7. Denne symmetriakse 8 hælder i forhold til symmetriaksen 9 for den ydre overflade 2, med en vinkel på 41,5°. Der dannes en fremspringende kant 10 mellem kanten af den sfæriske 10 del 6 og frontfladen 4, der forebygger forskubning af femoralhovedkomponenten. Centrum 13 for den sfæriske del 6 i udboringen ligger på symmetriaksen 9 for den ydre overflade 2.
15 Der er udformet riller 11 i protesens ydre over flade 2, der anvendes til at hjælpe med til at fastgøre hofteprotesen til menneskets bækken. En affasning 12 er inkluderet i frontfladen 4 for at forøge femo-ralkomponentens bevægelsesområde, idet affasningen 12 20 i det væsentlige ligger parallelt med den cylindriske overflades akse 8. Den viste protese er en venstre-protese, hvori affasningen er på venstre side af aksen 8. En højre protese ville have en tilsvarende 25 konstruktion med affasningen anbragt på højre side af den cylindriske overflades akse.
6. Hofteskålsprotese ifølge ét eller flere af de. forrige krav, kendetegnet ved, at protesen er udformet til indsættelse i bækkenet med den anden akse 25 (8) forløbende parallelt med den retning, i hvilken et tilhørende lårbenshovede.mest sandsy-n-ligt vil-slippe-ud af den blinde udboring.
7. Hofteskålsprotese ifølge ét eller flere af de forrige krav, kendetegnet ved, at en del af 30 frontfladen- (4) er bortskåret i området ved overgangen mellem den indre modtagende overflade (6) for lårbenshovedet og frontfladen (4).
8. Hofteskålsprotese ifølge ét eller flere af de forrige krav, kendetegnet ved, at den inklu- 35 derer en udvendig flange (5).
9. Hofteskålsprotese ifølge ét eller flere af de forrige krav, kendetegnet ved, at den er fremstillet af højdensitets polyethylen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8303188 | 1983-02-04 | ||
GB838303188A GB8303188D0 (en) | 1983-02-04 | 1983-02-04 | Acetabular prostheses |
Publications (4)
Publication Number | Publication Date |
---|---|
DK46684D0 DK46684D0 (da) | 1984-02-02 |
DK46684A DK46684A (da) | 1984-08-05 |
DK159046B true DK159046B (da) | 1990-08-27 |
DK159046C DK159046C (da) | 1991-02-04 |
Family
ID=10537516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK46684A DK159046C (da) | 1983-02-04 | 1984-02-02 | Hofteskaalsprotese |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0118194B1 (da) |
JP (1) | JPS59192365A (da) |
AU (1) | AU578013B2 (da) |
DE (1) | DE3463219D1 (da) |
DK (1) | DK159046C (da) |
GB (1) | GB8303188D0 (da) |
IE (1) | IE54920B1 (da) |
NO (1) | NO157602C (da) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6002065A (en) * | 1988-04-20 | 1999-12-14 | Norian Corporation | Kits for preparing calcium phosphate minerals |
US6005162A (en) * | 1988-04-20 | 1999-12-21 | Norian Corporation | Methods of repairing bone |
US5962028A (en) * | 1988-04-20 | 1999-10-05 | Norian Corporation | Carbonated hydroxyapatite compositions and uses |
GB8819587D0 (en) * | 1988-08-17 | 1988-09-21 | Minnesota Mining & Mfg | Rimbearing acetabular component of hip joint prosthesis |
US5217499A (en) * | 1988-08-17 | 1993-06-08 | Minnesota Mining And Manufacturing Company | Rim-bearing acetabular component of hip joint prosthesis |
DE19803778B4 (de) * | 1998-01-22 | 2004-02-12 | Steffen Dr. Breusch | Hüftgelenksprothese |
FR2796835B1 (fr) * | 1999-07-30 | 2001-11-30 | Merck Biomaterial France | Cotyle pour prothese de hanche |
GB0608756D0 (en) * | 2006-05-03 | 2006-06-14 | Benoist Girard Sas | Prosthetic acetabular cup with outwardly projecting flange |
CN103598933B (zh) * | 2013-10-30 | 2016-03-30 | 嘉思特华剑医疗器材(天津)有限公司 | 一种髋关节假体 |
CN107550604B (zh) * | 2017-08-04 | 2023-07-28 | 北京爱康宜诚医疗器材有限公司 | 人工髋臼和人工髋关节 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1296162A (da) * | 1971-03-03 | 1972-11-15 | Thackray C F Ltd | |
GB1409051A (en) * | 1971-09-24 | 1975-10-08 | Nat Research Department Corp | Hip joint prostheses |
US3813699A (en) * | 1973-01-15 | 1974-06-04 | R Giliberty | Prosthetic hip joint |
US4068324A (en) * | 1977-01-19 | 1978-01-17 | Bio-Dynamics Inc. | Platform supported hip prosthesis |
GB1563334A (en) * | 1977-05-30 | 1980-03-26 | Charnley Surgical Inventions | Acetabular proshesis |
GB2052997B (en) * | 1979-07-10 | 1983-06-02 | Charnley Surgical Inventions | Acetabular prosthesis |
IE53930B1 (en) * | 1982-04-07 | 1989-04-12 | Nat Res Dev | Endoprosthetic bone joint devices |
-
1983
- 1983-02-04 GB GB838303188A patent/GB8303188D0/en active Pending
-
1984
- 1984-01-31 EP EP19840300594 patent/EP0118194B1/en not_active Expired
- 1984-01-31 DE DE8484300594T patent/DE3463219D1/de not_active Expired
- 1984-02-01 AU AU23963/84A patent/AU578013B2/en not_active Ceased
- 1984-02-02 DK DK46684A patent/DK159046C/da not_active IP Right Cessation
- 1984-02-03 NO NO840416A patent/NO157602C/no unknown
- 1984-02-03 IE IE25584A patent/IE54920B1/en not_active IP Right Cessation
- 1984-02-04 JP JP1767984A patent/JPS59192365A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0118194A1 (en) | 1984-09-12 |
AU2396384A (en) | 1984-08-09 |
IE54920B1 (en) | 1990-03-14 |
EP0118194B1 (en) | 1987-04-22 |
DK46684D0 (da) | 1984-02-02 |
NO157602B (no) | 1988-01-11 |
DE3463219D1 (en) | 1987-05-27 |
DK159046C (da) | 1991-02-04 |
DK46684A (da) | 1984-08-05 |
NO840416L (no) | 1984-08-06 |
NO157602C (no) | 1988-04-20 |
GB8303188D0 (en) | 1983-03-09 |
JPS59192365A (ja) | 1984-10-31 |
AU578013B2 (en) | 1988-10-13 |
IE840255L (en) | 1984-08-04 |
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