Invention Grant
- Patent Title: Bone screw system
- Patent Title (中): 骨螺丝系统
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Application No.: US13219765Application Date: 2011-08-29
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Publication No.: US08267975B2Publication Date: 2012-09-18
- Inventor: Mary McCombs , Aaron C. Smith , James A. Nunley
- Applicant: Mary McCombs , Aaron C. Smith , James A. Nunley
- Applicant Address: US TN Arlington
- Assignee: Wright Medical Technology, Inc.
- Current Assignee: Wright Medical Technology, Inc.
- Current Assignee Address: US TN Arlington
- Agency: Duane Morris LLP
- Main IPC: A61B17/04
- IPC: A61B17/04

Abstract:
A set of screws sized and configured for fixing a Jones fracture in a fifth metatarsal bone of a patient by preserving a bone thread path. Each screw has a low profile head on a trailing end, a thread portion on a leading portion, and a smooth shank portion between the head portion and the thread portion. A first screw has a thread major diameter of between about 4.4-4.6 mm, a second screw a thread major diameter of between about 5.4-5.6 mm, and a third screw a thread major diameter of between about 6.4-6.6 mm. The thread portion of all the screws in the set has a set of identical thread profile characteristics comprising a pitch, a leading edge angle, a trailing edge angle, a leading edge radius, a trailing edge radius, and a land. Each screw size is provided in various preferred lengths.
Public/Granted literature
- US20110313469A1 BONE SCREW SYSTEM Public/Granted day:2011-12-22
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