Chemical apparatus and process disinfecting – deodorizing – preser – Blood treating device for transfusible blood – Oxygenator
Reexamination Certificate
2005-09-20
2005-09-20
Bianco, Patricia (Department: 3762)
Chemical apparatus and process disinfecting, deodorizing, preser
Blood treating device for transfusible blood
Oxygenator
C604S006140, C604S006160, C261SDIG002, C435S284100
Reexamination Certificate
active
06946099
ABSTRACT:
A total condensed circuit for cardiopulmonary bypass and cardioplegia are provided, as well as methods of using the same. The total circuit includes a cardiopulmonary bypass portion including tubing and components which together have a substantially short path length and priming volume preferably under 800 ml. Thus, the opportunity for an inflammatory response caused by blood contacting plasticizers is minimized. The bypass circuit includes a shunt which bypasses a blood reservoir of the total circuit. The cardioplegia circuit infuses cardioplegia fluid into blood pulled from an oxygenator of the bypass circuit. According to the method, either or both of heart-lung bypass and cardioplegia can be performed with only minimal or no isotonic priming solution circulated into the patient. In addition, use of the shunt and reservoir together eliminate the possibility of air entering the circulation system upon kinking of the circuit.
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“Isolated Extra-Corporeal Coronary Perfusion Circuit for Use During Off-Pump Coronary Artery Bypass Grafting” by K. McCusker et al., The Journal of Extra-Corporeal Technology, vol. 32, No. 3, Sep. 2000.
MAST System: a New Condensed Cardiopulmonary Bypass Circuit for Adult Cardiac Surgery by K. McCusker et al., Perfusion 2001, No. 16, pp 447-452.
“Cardiopulmonary Equipment”, COBE Cardiovascular Inc., 2001, downloaded from web-site www.cobecv.com.
McCusker Kevin
Vijay Venkataramana
Bianco Patricia
Gordon & Jacobson, PC
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