Adjustable length conversion adapter for dilatation catheters
US6692482B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1999 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Jul 20, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device in the form of a conversion adapter for reducing an internal lumen of a catheter so as to accommodate a guidewire having a diameter substantially smaller than the internal lumen of the catheter as well as a catheter system including such a conversion adapter is provided. The adapter is positionable within the internal lumen of the catheter. The adapter has an external diameter which is substantially equal to the internal lumen of the catheter and further includes a smaller internal lumen which is substantially equal in diameter to the guidewire and is therefore capable of accommodating the smaller diameter guidewire therethrough. Preferably, the adapter extends within the internal lumen of the catheter along the entire length thereof, and preferably extends beyond the length of the catheter, including a flexible tapered tip at the end portion. In alternate embodiments, the adapter is slidably positionable and removable within the internal lumen of the catheter, thus providing a catheter system which is capable of effectively accommodating guidewires of two different diameters, without creating a drastic transition between the catheter tip and the guidewire and without comp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.