Patent · US Active

Surgical burs with localized auxiliary flutes

US10786266B2 · kind B2 · utility

5Cited by

78References

21Claims

0Family size

Assignee

Medtronic Xomed, Inc. · US

Inventors

John W. Kulas · Euless, US
Donald E. Stearns · Fort Worth, US

Key dates

Filing date	Apr 30, 2018
Grant date	Sep 29, 2020
Priority date	—
Expiry date	Oct 16, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/00544
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical bur including primary flutes and auxiliary flutes. The primary flutes include (i) first clearance surfaces, and (ii) first rake surfaces with first cutting edges. The primary flutes extend from a proximal end of the surgical bur to a distal end of the surgical bur. The auxiliary flutes are localized in central regions or distal regions of the surgical bur. The auxiliary flutes include (i) second clearance surfaces, and (ii) second rake surfaces with second cutting edges. At least one of the auxiliary flutes is located between a pair of adjacent ones of the primary flutes.

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