ARTIFICIAL JOINT IN PARTICULAR A HIP JOINT

The joint socket (1) has a concave spherical surface (A) with centre (Ms), while the head (2) has a convex spherical surface (B) with centre (Mk), and is symmetrical in relation to a clamping axis (D) extending in the direction of a neck in the stem (27) of the artificial hip-joint. The surfaces (A,...

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1. Verfasser: SEMLITSCH MANFRED
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description The joint socket (1) has a concave spherical surface (A) with centre (Ms), while the head (2) has a convex spherical surface (B) with centre (Mk), and is symmetrical in relation to a clamping axis (D) extending in the direction of a neck in the stem (27) of the artificial hip-joint. The surfaces (A,B) have mean radii (R,r), the difference between which is 35 microns. The manufacturing tolerance for surface (A) over an angle between 90 and 180 degrees is less than plus or minus 7.5 microns, while that for surface (B) over more than 140 degrees is less than plus or minus 2 microns. Outside this surface the head is stepped to form a surface (C) of smaller radius from the centre (Mk). Roughness of the surfaces (A,B) is less than 0.08 microns.
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The surfaces (A,B) have mean radii (R,r), the difference between which is 35 microns. The manufacturing tolerance for surface (A) over an angle between 90 and 180 degrees is less than plus or minus 7.5 microns, while that for surface (B) over more than 140 degrees is less than plus or minus 2 microns. Outside this surface the head is stepped to form a surface (C) of smaller radius from the centre (Mk). Roughness of the surfaces (A,B) is less than 0.08 microns.</description><edition>6</edition><language>eng</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; GRINDING ; HUMAN NECESSITIES ; HYGIENE ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PERFORMING OPERATIONS ; POLISHING ; PROSTHESES ; TRANSPORTING ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990315&amp;DB=EPODOC&amp;CC=PL&amp;NR=329283A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990315&amp;DB=EPODOC&amp;CC=PL&amp;NR=329283A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SEMLITSCH MANFRED</creatorcontrib><title>ARTIFICIAL JOINT IN PARTICULAR A HIP JOINT</title><description>The joint socket (1) has a concave spherical surface (A) with centre (Ms), while the head (2) has a convex spherical surface (B) with centre (Mk), and is symmetrical in relation to a clamping axis (D) extending in the direction of a neck in the stem (27) of the artificial hip-joint. 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subjects BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
DRESSING OR CONDITIONING OF ABRADING SURFACES
FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
GRINDING
HUMAN NECESSITIES
HYGIENE
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PERFORMING OPERATIONS
POLISHING
PROSTHESES
TRANSPORTING
TREATMENT OR PROTECTION OF EYES OR EARS
title ARTIFICIAL JOINT IN PARTICULAR A HIP JOINT
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