Bone nail and an instrument for implanting a bone nail

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United States of America Patent

PATENT NO 4776328
SERIAL NO

07035991

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The bone nail is provided with a tapered portion having a barbed denticulation and a conical head which has a conical shaped depression at the proximal end for receiving a centering cone of the setting and driving instrument. The instrument carries a movable sleeve at the distal end for engaging and holding the bone nail in alignment with the centering cone during implantation. The sleeve is movable relative to the distal end of the instrument so as to disengage from the conical head of the bone nail to permit removal of the instrument and subsequent replenishment of the instrument with a fresh bone nail. The sleeve includes an expandable distal section for engaging the conical head of the bone nail and a proximal expandable section for engaging about a conical surface of the instrument.

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Patent Owner(s)

Patent OwnerAddress
SULZER BROTHERS LIMITED WINTERTHUR SWITZERLAND A CORP OF SWITZERLANDNot Provided

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frey, Otto Winterthur, DE 52 4198
Koch, Rudolf Berlingen, DE 89 5085

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