Drip chamber for infusion and transfusion apparatus formed of se

Details Drip chamber for infusion and transfusion apparatus formed of se Drip chamber for infusion and transfusion apparatus formed of se

1975-07-03

1977-07-26

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

215321, A61M 516

Patent

active

040375978

ABSTRACT:
The drip chamber comprises a first part formed with a feed pipe or liquid duct terminating in a grooved tubular piercing needle at one end of the first part, the other end of the first part terminating in a bell-shaped cover. A second part of the drip chamber is constructed by a liquid chamber having one end engaged with the bell-shaped cover and the opposite end terminating in a hose or conduit. The bell and the liquid chamber are interconnected, at their junction with each other, by interengageable clampingly interlocking components forming, when interengaged, a labyrinth packing providing a liquid tight seal at the junction. The two parts are interconnected by a snap interfit of the interlocking components.

REFERENCES:
patent: 828936 (1906-08-01), Hicks
patent: 2681654 (1954-06-01), Ryan et al.
patent: 3021841 (1962-02-01), Burke
patent: 3316908 (1967-05-01), Burke
patent: 3458079 (1969-07-01), Gasbarra
patent: 3556338 (1971-01-01), Wilkinson et al.
patent: 3892327 (1975-07-01), Leitz

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