Variable diameter sheath method and apparatus for use in body passages
US5234425A · kind A · utility
274Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Nov 24, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/109
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tubular sheath capable of assuming a reduced diameter state for insertion into a body passage and of expanding once in place within the passage. The sheath is fabricated of a composite elastomeric material and axially stretched to assume the reduced diameter state. Selective axial stretching is achieved by an elongate stylet which extends slidably through the sheath for compression imparting engagement with a distal portion thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.