Apparatus for controlling blood flow
AssigneeSandoz Ltd.
InventorGlenn L. Tuttle
Life of this patent
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Abstract
This invention provides a single needle dialysis blood tubing occluder, comprising in a preferred aspect, a pair of pivotly mounted clamping arms having a leaf spring affixed to the non-pivot end of each occluder with the spring in slidable engagement with a symmetrical cam. Means are provided for actuating the cam, whereby the cam moves the tubing occluder to alternately occlude and non-occlude a pair of blood tubings.
Claims12
An apparatus for controlling blood flow through a pair of blood tubings in a single needle alternating blood flow system, which comprises in combination a support frame, a pair of pivotly mounted clamping arms connected to said frame and mounted parallel to one another, said arms having a leaf spring affixed to the non-pivot end of each clamping arm and extending axially therefrom, a rotatable cam positioned between and in slidable engagement with the leaf springs, and means for actuating the cam, whereby the cam moves the leaf spring-clamping arms to alternately occlude and non-occlude a blood tubing.
Dependencies are inferred from the claim text.