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Priority claimed from GB888820944Aexternal-prioritypatent/GB8820944D0/en
Priority claimed from GB888829151Aexternal-prioritypatent/GB8829151D0/en
Priority claimed from US07/345,987external-prioritypatent/US5000172A/en
Application filed by Smith & NephewfiledCriticalSmith & Nephew
Priority claimed from EP19890309035external-prioritypatent/EP0360458B1/de
Application grantedgrantedCritical
Publication of ATE92743T1publicationCriticalpatent/ATE92743T1/de