Patent · US Expired

Apparatus and method for removing occluding material from body lumens

US6027514A · kind A · utility

294Cited by
23References
66Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1997
Grant dateFeb 22, 2000
Priority date
Expiry dateDec 17, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/22052
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An atherectomy catheter includes a catheter body having a blade assembly at its distal end. The blade assembly includes first blade and a second blade, where each blade has an opposed cutting edge. At least one of the cutting edges will have a penetrating point formed thereon. Preferably, both edges will have at least one aligned cutting point, more preferably at least two or more aligned cutting points. When the blades are actuated to shear tissue therebetween, the cutting points act to penetrate and capture the material to be sheared.

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