Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2010-10-13
2011-12-13
Bouchelle, Laura (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S029000, C604S151000
Reexamination Certificate
active
08075526
ABSTRACT:
A peritoneal dialysis system includes a hardware unit including a piston and at least one vacuum source; a door connected to the hardware unit, the door including a cavity, the cavity having a diameter; the hardware unit further including a structure positioned opposite the door, the structure defining an aperture; a disposable unit including first and second fluid receiving membranes, the disposable unit disposed between the structure and the door; the at least one vacuum source operable to apply a vacuum to at least one of the first and second membranes of the disposable unit; the piston, at least a portion of which moves through the aperture, in operation contacting one of the membranes, the piston including a piston head having a diameter smaller than the diameter of the cavity in the door; and a dialysis fluid opening enabling dialysis fluid to be pulled in between the first and second membranes.
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Busby Don
Childers Robert
Baxter International Inc.
Bouchelle Laura
K&L Gates LLP
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