Disposable tubing harness for use with blood washing apparatus

Claim 1

In combination with a blood washing apparatus having a (i) a housing member supporting a horizontal array of packages adapted to contain blood, saline solution and blood washing waste liquid (ii) a pair of adjacent peristaltic pump shafts located below and to the side of said array of packages (iii) a rotatable enclosure member arranged below said array of packages adapted to receive blood and saline solution from selected packages of said array and adapted to provide washed blood and waste liquid for transmission to selected packages of said array, a tubing harness arrangement for providing fluid paths between the packages of said array and said rotatable enclosure comprising a. a board-like member removably vertically mounted on said housing member below said array of packages and adjacent said pair of peristaltic pump shafts in a common plane with a cross-section of said shafts, said board-like member having a plurality of grooves extending from its upper horizontal side adjacent said array of package to a vertical side adjacent said pair of peristaltic pump shafts and an additional groove extending from said vertical side to a selected one of said plurality of grooves, a plurality of flexible tube members engaged in said grooves and respectively connected to a selected package of said array adjacent the upper side of said board-like member and providing fluid paths from said array of packages to said rotatable enclosure member, two of said plurality of flexible tube members being formed in a loop adjacent said vertical side of said board-like member which are respectively engaged to a said peristaltic pump shaft, the flexible tube member of one of said loops being doubled back to engage in said additional groove in saidboard-like member to firmly engage said board-like member to said peristaltic pump shaft.