PTCA catheter
US5002559A · kind A · utility
392Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Nov 30, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1093
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A PTCA catheter is provided in which the extreme distal end is reduced to a diameter of 3 thousandths of an inch and enclosed in a coiled spring which is welded to the guidewire of the catheter at its tip and at a thicker 8 thousandths diameter portion of the guidewire to increase the strength of the tip and reduce breakage when inserted in a coronary artery. A dual lumen catheter body is provided at the proximal end for capturing and actuating the guidewire and for inflating the balloon at the distal end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.