Surgery – Respiratory method or device – Ozone or ion generation
Patent
1977-07-28
1979-08-14
Truluck, Dalton L.
Surgery
Respiratory method or device
Ozone or ion generation
128274, 128348, 251291, 251319, A61M 500
Patent
active
041642210
ABSTRACT:
An atraumatic valving mechanism and its method of operation for use within the blood passageway of a blood access device, the blood passageway connecting a blood vessel within the body to the body exterior. The valving device includes a plugging means for effecting a seal within the blood passageway and for substantially expelling the blood from the device upon closing, and a reciprocal stem which is connected to the plugging means and may be pushed or pulled in order to close or open the blood access device valve as desired. The valving mechanism includes a disposable connectable valve chamber which is adapted to be secured about that portion of the blood access device blood passageway located at the body exterior. The connectable valve chamber includes a blood outlet for blood flow in communication with the body blood vessel through the blood access device blood passageway and valve chamber and an aperture through which the reciprocal stem may be alternately actuated in order to open and close the device in a sterile manner without trauma to the body or blood passing therethrough.
REFERENCES:
patent: 1483964 (1924-02-01), Abramovitz
patent: 2298632 (1942-10-01), Thorner
patent: 3765032 (1973-10-01), Palma
patent: 3826257 (1974-07-01), Buselmeier
patent: 3991756 (1976-11-01), Synder
patent: 4015601 (1977-04-01), Bokros et al.
patent: 4108173 (1978-08-01), Slivenko et al.
patent: 4108174 (1978-08-01), Slivenko
Bentley Donald J.
Raible Donald A.
Bentley Laboratories, Inc.
Truluck Dalton L.
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