Abstract: Membranes and methods for making membranes are disclosed. The membranes include a polymeric matrix and a particulate material immobilized within the matrix. The membranes may find particular application in methods and apparatus for removing organic compounds from a biological fluid as part of a pathogen inactivation treatment.
Type:
Grant
Filed:
July 8, 1998
Date of Patent:
June 21, 2005
Assignee:
Baxter International Inc.
Inventors:
Daniel R. Boggs, Shmuel Sternberg, Robin G. Pauley, Donna L. McLarty
Abstract: A blood separation chamber comprises a base that includes formed walls that define a hub. A separation channel extends about the hub. A flow passage extends between the hub and the separation channel. The hub enables attachment of external tubing to convey blood to and from the separation channel through the hub.
Type:
Grant
Filed:
May 15, 2003
Date of Patent:
October 5, 2004
Assignee:
Baxter International Inc.
Inventors:
Tom Westberg, Kelly B Smith, Sanjay V. Odak, Michel L. T. Joie, Georges E Rondeau
Abstract: A multilayered tube (10) is provided that includes an outer layer (12) comprising ethylene-vinyl acetate for bonding to an ethylene-vinyl acetate material and an inner layer (14) comprising polyvinyl chloride for bonding to polyvinyl chloride material. A bonding layer (16) is provided between the outer and inner layers for bonding and preventing delamination of the outer and inner layers.In another embodiment, a port and membrane tube assembly (18) is provided that includes the above-described multilayered tube and a polyvinyl chloride membrane tube bonded to the inner layer of the multilayered tube.The multilayered tube or the port and membrane tube assembly can be bonded to an ethylene-vinyl acetate container which can be used to store various types of solutions useful in medical treatment.