Protective sheath instrument carrier
US4798193A · kind A · utility
238Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1987 |
| Grant date | Jan 17, 1989 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0105
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An open ended tubular sheath is provided with an annular guide element to facilitate placement of the sheath within a body passage. In use a guide wire is directed into the passage and the guide element is then slid over the wire to direct the sheath into the passage. Once in place, the sheath may be used to direct instruments into the passage without significant abrasion or trauma. The guide element may take the form of a loop or tube. Column strength may be provided to the sheath either by the guide element or a stiffener engaged with the element or the sheath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.