Intraluminal therapy catheter with inflatable helical member and methods of use
US6679860B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Nov 22, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is an intraluminal therapy catheter having a least two treatment members disposed near the distal end of the catheter, the members being independently inflatable to perform angioplasty and/or fluid-sourced brachytherapy. A first treatment member is helically mounted about the shaft of the catheter, and forms a helical perfusion channel when inflated into contact with the vessel being treated. In a first embodiment of the invention, the second treatment member is also helically mounted about the catheter shaft and capable of forming a helical perfusion channel when inflated into contact with the vessel. The first and second treatment members are intertwined to form a double helix configuration wherein each member is capable of being inflated to generally fill the helical perfusion channel created by simultaneous inflation of the other member. In a second embodiment of the invention, the second treatment member is a tubular balloon mounted generally coaxially about the catheter shaft, adjacent to the first treatment member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.