Double lumen cannula

Details Double lumen cannula Double lumen cannula

1977-02-17

1978-07-11

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128348, 128DIG16, A61M 500, A61M 2500

Patent

active

040995283

ABSTRACT:
A double lumen cannula mounted upon a hub and constructed to penetrate the human vascular system, the cannula assembly having an interior cannula and an exterior cannula spaced from the interior cannula. A bushing is normally situated in the space between the interior and exterior cannula which bushing facilitates venipuncture without damanging the tissue. After venipuncture, the bushing is removable from the space between the interior and exterior cannulae by withdrawing the bushing from the cannulae through the hub.

REFERENCES:
patent: 3220411 (1965-11-01), Czorny
patent: 3610226 (1971-10-01), Albisser
patent: 4000739 (1977-01-01), Stevens
patent: 4014333 (1977-03-01), McIntyre
patent: 4022219 (1977-05-01), Basta
patent: 4054136 (1977-10-01), Zeppelin
Kruger, IBM Tech. Disclosure Bulletin, vol. 19, No. 4, Sep. 1976, pp. 1174-1175.

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