Balloon catheter with venting of residual air in a proximal direction
US12343486B2 · kind B2 · utility
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89References
11Claims
0Family size
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Key dates
| Filing date | Jan 24, 2023 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jan 24, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1077
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A balloon guide catheter system including a balloon guide catheter having a catheter shaft that includes: (i) a main lumen; (ii) an inflation lumen; and (iii) an exhaust lumen. The terminating distal end of the inflation lumen and the terminating distal end of the exhaust lumen being in localized fluid communication with one another underneath the balloon while in a non-inflated state. A balloon is disposed about a distal region of an outer surface of the catheter shaft. The exhaust lumen is configured to purge the residual air in a proximal direction and out from a proximal region of the balloon guide catheter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.