Patent · US Expired

Marrow nail for the treatment of bone fractures according to the marrow cavity nailing procedure and marrow nail tool

US4981481A · kind A · utility

73Cited by

3References

14Claims

0Family size

Assignee

Mecron Medizinische Produkte GmbH · DE

Inventors

Curt Kranz · Berlin, DE
Uve Sievers · Ludwigshafen, DE

Key dates

Filing date	Oct 6, 1988
Grant date	Jan 1, 1991
Priority date	—
Expiry date	Oct 6, 2008

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/72
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A marrow nail for the treatment of bone fractures, including a marrow nail body having a hollow tubular cross section, the marrow nail body having a constricted marrow nail head, and a marrow nail tool for driving in, extracting and changing the position of the marrow nail during repositioning of a constricted marrow nail head. The marrow nail tool includes two generally parallel gripper jaws which are pivotable relative to one another, each of the two gripper jaws having a respective distal end which extends toward the other one respective distal end, a generally rectangular mandrel disposed between the two gripper jaws, and a securing ring which can be moved into a position encircling the two gripper jaws.

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