Dual concentric balloon catheter for retrograde cardioplegia perfusion
US5707358A · kind A · utility
74Cited by
7References
7Claims
0Family size
Inventor
Key dates
| Filing date | May 13, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | May 13, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1095
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A perfusion catheter for use in open heart surgery having inner and outer concentric balloons adjacent to the distal end of the catheter wherein the inner balloon is a cuff that may be inflated by a syringe using either air or liquid via a second lumen in the catheter, the outer balloon self-inflating when perfusion liquid flows through the catheter, and a third and lumen of the catheter to monitor the infusion pressure at the distal end of the catheter, is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.