Method of enabling bone screws to be installed at an angle in underlying bone
First Claim
1. In a method of installing a fracture fixation fastener at an acute angle in an underlying bone by engaging the fastener in a hole in a support plate, the improvement by which the fastener can be engaged and supported in the hole in the plate within a pre-determined angular range which is asymmetrical relative to a line perpendicular to said plate, said improvement comprising:
- forming said plate with a determined thickness,forming said hole in the plate with a determined diameter and at a determined angle in said plate, andcorrelating said diameter and angle of said hole relative to the thickness of the plate so that said fastener will be inserted into said hole within said pre-determined angular range and wherein said angular range provides desired asymmetric limit angles of insertion of said fastener relative to the line perpendicular to said plate.
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Accused Products
Abstract
In order to install a fracture fixation fastener at an acute angle in an underlying bone in a hole is provided in a support plate at a particular angle and with a particular diameter in relation to the thickness of the plate and the diameter of the fastener to enable the fastener to be installed within a pre-determined angular range which is asymmetrical relative to a line perpendicular to the plate.
66 Citations
4 Claims
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1. In a method of installing a fracture fixation fastener at an acute angle in an underlying bone by engaging the fastener in a hole in a support plate, the improvement by which the fastener can be engaged and supported in the hole in the plate within a pre-determined angular range which is asymmetrical relative to a line perpendicular to said plate, said improvement comprising:
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forming said plate with a determined thickness, forming said hole in the plate with a determined diameter and at a determined angle in said plate, and correlating said diameter and angle of said hole relative to the thickness of the plate so that said fastener will be inserted into said hole within said pre-determined angular range and wherein said angular range provides desired asymmetric limit angles of insertion of said fastener relative to the line perpendicular to said plate. - View Dependent Claims (2, 3, 4)
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Specification