Pin plate for fixation of bone fractures
DCFirst Claim
1. An implantable device for fixation of at least one fractured bone fragment to a stable bone fragment, said implantable device comprising an implantable plate having opposite end portions, fastening means for securing one end portion of said plate to stable bone, at least one fixation pin for penetrating said at least one fractured bone fragment, and traversing a fracture for entering the stable bone fragment and for being secured therein at a stable fixation site at a far end of said fixation pin, the opposite, near end of said pin being adapted for extending from the fractured bone fragment, said near end of said pin being engageable in one of a plurality of holes in the other end portion of the plate, said holes in said plate providing means for allowing the pin to slide axially therein but preventing compression across the fracture, and stabilizing said near end of the pin against displacement in the plane of the plate.
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Abstract
The present invention relates to an implantable element for fixation of one or more fractured bone fragments (9) to a stable bone fragment (10). The element comprises a pin plate (1), which is fixed to the stable bone fragment (10) by one or more screws (7) or the like. To fixate the loose bone fragments (9) one or more pins (8) are passed through holes (3) in the pin plate (1), through the loose bone fragments and further into the stable bone fragment (10). The end of the pin is locked to the pin plate (1) in any suitable way. The form of the pin plate (1) is adapted to the intended site of use.
256 Citations
11 Claims
- 1. An implantable device for fixation of at least one fractured bone fragment to a stable bone fragment, said implantable device comprising an implantable plate having opposite end portions, fastening means for securing one end portion of said plate to stable bone, at least one fixation pin for penetrating said at least one fractured bone fragment, and traversing a fracture for entering the stable bone fragment and for being secured therein at a stable fixation site at a far end of said fixation pin, the opposite, near end of said pin being adapted for extending from the fractured bone fragment, said near end of said pin being engageable in one of a plurality of holes in the other end portion of the plate, said holes in said plate providing means for allowing the pin to slide axially therein but preventing compression across the fracture, and stabilizing said near end of the pin against displacement in the plane of the plate.
Specification