Medical layered peel away sheath and methods
US4983168A · kind A · utility
224Cited by
22References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Jan 5, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0668
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A layered peel away hollow sheath for temporarily creating a passageway into a desired body site of a medical patient for placement of one end of an indwelling device at the body site through the sheath, the sheath wall comprising at least two layers, the inside layer being cylindrical and the outside layer comprising two semi-cylindrical segments defining opposed axially-directed slits or slots therebetween which comprises tear lines such that the sheath manually tears axially along the single layer tear lines into two pieces for removal of the sheath from around the indwelling device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.