Patent FR2297640A1 successfully refreshed from Google Patents.
FR2297640A1
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Catheter for simultaneous blood withdrawal and reinjection - for treatment e.g. with oxygen outside the body using only one incision
Assignee: Rhone Poulenc Industries SA
•
Filing: 1975-01-15
•
Granted: —
•
Expires: 1995-01-15
Abstract
Abstract A catheter comprises two independent conduits, both open at one end and feeding at the other end into a flexible-walled bulb.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M5/00; A61M5/14; A61M5/158; A61M5/1582; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/003; A61M2025/0031; A61M2025/0037; A61M2025/004; A61M2025/1043; A61M2025/1052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.