Intralumenal material removal using an expandable cutting device
US6565588B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2000 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Nov 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/320725
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Intralumenal material removal systems are provided using an advanceable, rotatable and expandable cutter assembly. The intralumenal material removal system includes a cutter assembly positionable in the lumen of a mammalian subject and operably connected to system controls. The cutter assembly comprises a distal cutting head and an adjustable cutting assembly that is axially advanceable by translating the drive shaft and rotatable by rotating the drive shaft. The adjustable cutting assembly is adjustable between a smaller diameter condition and a larger diameter condition. The cutter may thus be introduced to and withdrawn from the material removal site in a retracted, smaller diameter condition that facilitates translation and navigation of the device through various lumens. The adjustable cutting assembly may be selectively expanded at the material removal site to facilitate cutting, removal and aspiration of the occlusive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.