Wireless high flow intravascular sheath introducer and method
US5242410A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1992 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Apr 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wireless high flow sheath introducer for intravascular access and a method for using such an introducer. The invention comprises a large bore flow sheath having a nested, coaxial, tapered dilator which dilates a vein to a size sufficient for introduction of the large bore flow sheath, and a needle nested within the tapered dilator and coaxial therewith for initially piercing the target vessel. The present invention also provides a method of using such an instrument.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.