Patent · US Expired

Device for insertion and extraction of medullary nails

US4423721A · kind A · utility

143Cited by

4References

4Claims

0Family size

Assignee

Schwarzkopf Development Corporation · US

Inventors

Wolf-Dieter Otte · Volkach, DE
Heinz Otte · Volkach, DE
Siegfried Schider · Reutte, AT
Otto Wiesner · Reutte, AT

Key dates

Filing date	May 9, 1980
Grant date	Jan 3, 1984
Priority date	—
Expiry date	May 9, 2000

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/922
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A metallic device for the insertion and extraction of medullary nails having a guide tube (1) which is comprised of two successive longitudinal sections (2 and 3). Striking elements (7 and 11) are disposed on opposite ends of the tube and a displaceable strike bushing (6) is located on the tube between the striking elements.

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