Patent · US Active

Surgical drill bit

US10987111B2 · kind B2 · utility

1Cited by

2References

13Claims

0Family size

Assignee

UNIVERSITAT BERN · CH

Inventors

Arne Niklas Feldmann · Bern, CH
Stefan Weber · Nesselnbach, CH
Philippe Kurt Zysset · Villars-sur-Glâne, CH

Key dates

Filing date	Jan 27, 2017
Grant date	Apr 27, 2021
Priority date	—
Expiry date	Mar 26, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B51/066
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A drill bit (1) for creating a tubular hole in a bone (9), comprises: a longitudinal body (2) extending along an axis (21) and having a proximal end and a distal end (22); a main cutting edge (3) formed at the distal end (22) of the body (2); a main cutting face (4) extending from the main cutting edge (3) and defining a rake angle (α); and a spiral flute (5) formed around the body (2) and extending from the main cutting face (4) along the axis (21) of the body (2). The main cutting edge (3) is the only single main cutting edge (3) of the drill bit (1). The spiral flute (5) is the only single spiral flute (5) of the drill bit. The rake angle (α) is at least 25°. The drill bit (1) according to the invention drill bit allows for minimizing heat production when drilling a hole into the bone.

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