Venous filter for assisted venous return

Details Venous filter for assisted venous return Venous filter for assisted venous return

2005-07-19

2005-07-19

Lucchesi, Nicholas D. (Department: 3763)

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

C604S006110, C604S006150, C604S319000, C210S120000

Reexamination Certificate

active

06918887

ABSTRACT:
The need for a venous reservoir in a heart-lung machine is obviated by using a vacuum-purged negative-pressure air filter in the venous return line ahead of the main blood pump. The purging vacuum for the venous air filter can also be used to purge air from the cardiotomy reservoir if a backflow-preventing valve is used on the venous air filter.

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Drawing provided to Applicants by Miami Children's Hospital, no date shown.
Specification Sheets of a venous assisted CB cicruit, specification sheets sent between Miami Children's Hospital and Medtronic, Inc., earliest date is Dec. 16, 1998 (7 pages).
Specification Sheets of a hybrid CB circuit, specification sheets sent between Miami Children's Hospital and Medtronic, Inc., earliest date is Jun. 20, 1997.
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Curriculum vitaeof Yehuda Tamari.
Program and certificate of participation of Jorge Ojito at Sociedad Chilenade Circulacion Extracorporea, Vina del Mar, Chile, Nov. 12-15, 1998.
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