Patent · US Active

Screwdriver for bone screws

US8372085B2 · kind B2 · utility

9Cited by

16References

20Claims

0Family size

Assignee

Stryker Trauma GmbH · CH

Inventors

Ronald Prager · Bovenau, DE
Stefan Völzow · Mönkeberg, DE

Key dates

Filing date	Apr 18, 2008
Grant date	Feb 12, 2013
Priority date	—
Expiry date	Dec 14, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/8875
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screwdriving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.