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Programmable, fluid pressure actuated blood processing systems and methods

  • US 7,195,607 B2
  • Filed: 02/07/2005
  • Issued: 03/27/2007
  • Est. Priority Date: 09/03/1999
  • Status: Expired due to Term
First Claim
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1. A programmable blood processing system coupled to a blood separation device comprisinga cassette containing first and second preformed, pneumatically actuated pump stations, more than two preformed fluid flow paths, and more than two preformed, pneumatically actuated valves in the fluid flow paths, a first pump station in selective communication with at least two fluid flow paths and a second pump station in selective communication with at least the same two fluid flow paths,a control program, anda programmable pneumatic actuator to hold the cassette and programmed to selectively apply pneumatic force to the valves and pump stations in response to the control program.

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