Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body
Reexamination Certificate
2007-01-16
2007-01-16
Bianco, Patricia (Department: 3761)
Surgery
Blood drawn and replaced or treated and returned to body
Constituent removed from blood and remainder returned to body
C604S005010, C604S005040, C604S006160, C210S645000, C210S295000, C210S348000, C210S416100
Reexamination Certificate
active
10653100
ABSTRACT:
An extracorpeal blood circuit for removal of contrast from human blood using a filter and withdrawal filter pump and a by-pass pump. The withdrawal filter blood pump operates when a contrast bolus has been detected. Otherwise the bypass blood pump maintains physiological blood flow from the coronary sinus preventing the need for deflation and re-inflation of the balloon catheter. When contrast is detected blood the bypass blood pump is stopped to prevent contrast from leaking back into the patients circulatory system via the bypass pump and CS blood flow is maintained at its physiological blood flow resulting in the heart being oblivious to the transition by the prefilter blood pump.
REFERENCES:
patent: 5817046 (1998-10-01), Glickman
patent: 6554819 (2003-04-01), Reich
patent: 2002/0091349 (2002-07-01), Reich
patent: 2002/0099254 (2002-07-01), Movahed
patent: 2004/0011740 (2004-01-01), Bernard et al.
Bernard Steven J.
Gelfand Mark
Halpert Andrew J.
Levin Howard R
O'Mahony John J.
Bianco Patricia
CHF Solutions Inc.
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