Attachment to bone
First Claim
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1. A bone-engaging attachment device, comprising:
- (a) an elongate shaft having opposite ends;
(b) a head mounted on and extending radially from one of said ends of said shaft, said head having a width and a thickness significantly less than said width, and also having an engaging face directed toward said shaft.
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Abstract
A bone-engaging attachment device including a shaft threaded or otherwise adapted to mate with or to accept a fastener, and having a head extending radially at one end of the shaft. A method of attachment of the device to a bone includes preparing a hole in the bone large enough to receive the head and a channel extending from the hole, inserting the head into the hole, and moving the device to a location where the shaft extends outward through the channel while the head is engaged with the bone.
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Citations
20 Claims
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1. A bone-engaging attachment device, comprising:
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(a) an elongate shaft having opposite ends;
(b) a head mounted on and extending radially from one of said ends of said shaft, said head having a width and a thickness significantly less than said width, and also having an engaging face directed toward said shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 20)
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11. A method of fastening an object to a bone, comprising:
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(a) providing a bone-engaging attachment device having a shaft and a head located at an end of the shaft and having an engaging face directed toward the shaft;
(b) creating an opening in said bone extending through a cortex layer of said bone;
(c) creating a channel in said bone extending through said cortex layer and extending laterally from said opening, said channel being narrower than said opening;
(d) engaging said device with said bone by;
(i) inserting said head into said opening; and
(ii) thereafter moving said bone-engaging attachment device to a position wherein said head is adjacent an inner boundary of said cortex layer and the shaft extends outward through the channel, and wherein the device is thereby inhibited from becoming disengaged with said bone. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification