Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-03-31
1982-03-02
Mancene, Gene
Surgery
Respiratory method or device
Ozone or ion generation
128349R, 128348, 128DIG16, A61M 500, A61M 2500
Patent
active
043174450
ABSTRACT:
An intravenous assembly includes a needle extending through a hub and a catheter or cannula secured at its proximal end to the hub. The cannula includes a side port near the distal end thereof in fluid communication with an annular flashback chamber formed between the cannula and needle to provide visual indication of venous entry of the cannula. In another embodiment, a longitudinal slot in the internal wall of the cannula defines the cannula flashback chamber. In accordance with the preferred construction, the needle is hollow, and a plug is secured thereto defining another flashback chamber to provide a separate indication of venous entry of the needle.
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Baxter Travenol Laboratories Inc.
Foycik Michael J.
Mancene Gene
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