Extracorporeal blood processing methods and apparatus
First Claim
1. A blood processing channel assembly for an apheresis system comprising a blood component separation device, said channel assembly comprising:
- a channel housing interconnectable with said blood component separation device; and
a blood processing channel associated with said channel housing comprising first and second laterally spaced sidewalls, a bottom wall extending between said first and second sidewalls, and an open end opposite said bottom wall, wherein for at least a portion of a length of said channel said channel comprises an upper lip formed on an upper section of said channel, said upper lip extending from one of said first and second sidewalls toward but spaced from an opposing portion of the other of said first and second sidewalls.
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Accused Products
Abstract
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which directs the operator through various aspects of the apheresis procedure. Moreover, the system also includes a variety of features relating to loading a blood processing vessel into a blood processing channel and removing the same after completion of the procedure. Furthermore, the system also includes a variety of features relating to utilizing a blood priming of at least portions of the apheresis system in preparation for the procedure. In addition, the system includes a variety of features enhancing the performance of the apheresis system, including the interrelationship between the blood processing vessel and the blood processing vessel and the utilization of high packing factors for the procedure.
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Citations
21 Claims
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1. A blood processing channel assembly for an apheresis system comprising a blood component separation device, said channel assembly comprising:
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a channel housing interconnectable with said blood component separation device; and a blood processing channel associated with said channel housing comprising first and second laterally spaced sidewalls, a bottom wall extending between said first and second sidewalls, and an open end opposite said bottom wall, wherein for at least a portion of a length of said channel said channel comprises an upper lip formed on an upper section of said channel, said upper lip extending from one of said first and second sidewalls toward but spaced from an opposing portion of the other of said first and second sidewalls. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A blood processing channel assembly for an apheresis system comprising a blood component separation device, said channel assembly comprising:
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a channel housing interconnectable with said blood component separation device; a generally concave blood processing channel associated with said channel housing, wherein for at least a portion of a length of said channel said channel comprises an upper lip formed on an upper section of said channel; and a disposable blood processing vessel positioned in said channel, wherein said disposable blood processing vessel is of a sufficient rigidity to be free-standing and to be loaded into said channel below said lip, and is yet of sufficient flexibility to substantially conform to a portion of said channel disposed below said lip when said blood processing vessel is pressurized.
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Specification