A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/26
A61C 13/00 (2006.01)
Patent
CA 1247888
ABSTRACT Implant intended to facilitate attachment of dental prostheses against a jaw-bone, including an externally threaded screw-shaped member, intended to be attached against a threaded hole taken up in the jaw-bone. In contrast to previously known types of implants, the screw-shaped member includes a blind hole directed from the jaw-bone, the first portion of which is a con- ically tapering portion, which is transformed into an internally threaded hole. Since the conical portion adjacent to the end surface of the screw-shaped member preferably is arranged with a diameter smaller than the outside diameter of the end portion, and since a cover screw with a conical head which is substantially enclosed by the conical portion is utilized during the osseo- integration process, the jaw-bone can be permitted to enclose and encapsulate this end portion of the screw-shaped member during the osseointegration process, A pillar can be attached against the screw-shaped member, at an opposed end portion supporting a con- ical tubular member, arranged to facilitate a resilient movement in relation to the pillar, whereby a dental prosthesis can be attached having a restricted movement in relation to the jaw- bone.
498432
Astra Meditec Aktiebolag
Fetherstonhaugh & Co.
LandOfFree
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