Catheter with removable balloon protector and stent delivery system with removable stent protector
US5893868A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1997 |
| Grant date | Apr 13, 1999 |
| Priority date | — |
| Expiry date | Mar 5, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1081
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A balloon catheter is provided having an expandable distal portion and balloon protector means comprising a first removable sleeve having a variable inner diameter to ease sliding the first sleeve over the balloon, and an optional second removable (outer) sleeve positioned over the inner sleeve, the second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, said first and second sleeves being removed prior to use of the catheter. A stent delivery system is provided to facilitate introduction and placement of a stent, and includes a catheter having an expandable distal portion constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state, said distal portion further comprising a balloon and at least one dam over which the balloon extends, and a stent positioned around the distal portion of the catheter around the balloon or gripper linear control device, said stent having a contracted condition, being sized in the contracted condition to closely surround the balloon in the contracted state, and being expandable to an expanded condition; a first removable (inner) sleeve in the region of the distal p…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.