Apparatus and method for removing occluding material from body lumens
US6027514A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1997 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Dec 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.