DK159046B - Hofteskaalsprotese - Google Patents

Hofteskaalsprotese Download PDF

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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
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DK
Denmark
Prior art keywords
axis
spherical
prosthesis
hip prosthesis
front surface
Prior art date
Application number
DK46684A
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English (en)
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DK46684D0 (da
DK159046C (da
DK46684A (da
Inventor
Boguslaw Michael Wroblewski
Original Assignee
Thackray C F Ltd
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Filing date
Publication date
Application filed by Thackray C F Ltd filed Critical Thackray C F Ltd
Publication of DK46684D0 publication Critical patent/DK46684D0/da
Publication of DK46684A publication Critical patent/DK46684A/da
Publication of DK159046B publication Critical patent/DK159046B/da
Application granted granted Critical
Publication of DK159046C publication Critical patent/DK159046C/da

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061Cortical 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
    • A61B17/8066Cortical 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30795Blind bores, e.g. of circular cross-section
    • A61F2002/30807Plurality of blind bores
    • A61F2002/30808Plurality of blind bores parallel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3082Grooves
    • A61F2002/30822Circumferential grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3082Grooves
    • A61F2002/30827Plurality of grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • A61F2002/3429Acetabular cups with an integral peripheral collar or flange, e.g. oriented away from the shell centre line
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • A61F2002/3445Acetabular cups having a number of shells different from two
    • A61F2002/3446Single cups
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • A61F2002/348Additional features
    • A61F2002/3493Spherical 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.
DK46684A 1983-02-04 1984-02-02 Hofteskaalsprotese DK159046C (da)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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