Removable stylet for retrograde cardioplegia catheter and methods for use
US5226427A · kind A · utility
123Cited by
42References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1991 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Jun 4, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a stylet for use with a retrograde cardioplegia catheter and its methods of use. The stylet includes a stylet rod, a handle on the proximal end of the stylet rod and a predetermined curve in the distal end of the stylet rod. The handle has a thumb rest on the proximal end and a one or two finger loops extending outward from the handle. An obturator is located on the distal end of the predetermined curve to impede blood flow through a tip of the cardioplegia catheter during insertion of the catheter. The invention also contemplates methods for using the stylet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.