A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/80
A61M 5/31 (2006.01) A61M 1/00 (2006.01)
Patent
CA 1131525
ABSTRACT An atraumatic valving mechanism and its method of operation for use within the blood passageway of a blood ac- cess device, the blood passageway connecting the 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 con- nectable valve chamber which is adapted to be secured about that portion of the blood access device blood passageway lo- cated 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.
308276
Bentley Donald J.
Raible Donald A.
Bentley Laboratories Inc.
Smart & Biggar
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