Patent · US Active

Self-retaining screw and screwdriver

US11517362B2 · kind B2 · utility

0Cited by

2References

22Claims

0Family size

Assignee

DePuy Synthes Products, Inc. · US

Inventors

Gregor Spreiter · Zuchwil, CH
Henri Defossez · Neuchâtel, CH
Simon Scherrer · Zürich, CH
Gaser El Zoghbi · Solothurn, CH
Roger D. Koch · Aarau, CH
Yvonne SCHUMACHER · Solothurn, CH
Rhett A. Rapier · Trimbach, CH

Key dates

Filing date	Apr 30, 2020
Grant date	Dec 6, 2022
Priority date	—
Expiry date	Dec 20, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/062
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A bone screw insertion device, comprises an outer sleeve extending from a proximal end to a distal end and including a channel extending therethrough and a driving member extending longitudinally through the channel of the outer sleeve from a proximal end to a distal end configured to engage a driving recess of a bone screw, the outer sleeve movable relative to the driving member between a first position in which the distal end of the outer sleeve extends over and covers a proximal portion of a bone screw engaged with the driving member, to a second position in which the distal end of the outer sleeve is longitudinally aligned with a proximal end of a bone screw engaged with the driving member.

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