Balloon guide catheter with positive venting of residual air
US11957855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Jun 11, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1077
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A balloon guide catheter including a catheter shaft having a main lumen defined therein extending axially therethrough to receive a guidewire therein and an inflation lumen defined axially therein arranged semi-encircling the main lumen. The inflation lumen having an inlet port radially outward from the catheter shaft and an exhaust vent(s) disposed proximate the distal end of the catheter shaft. The exhaust vent(s) being disposed longitudinally through a distal terminating end of the inflation lumen or radially inward in fluid communication with the main lumen. A porous membrane is disposed at the exhaust vent(s) to permit only gas to pass therethrough. Secured about the outer surface proximate the distal end of the catheter shaft and coinciding with the inlet port is a balloon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.