Patent ID: 9482216
Filing Date: 2016-11-01
CPC Classification: A61M,F04B

Claim Text:
1. A surgical cassette configured to engage a plurality of rollers of a peristaltic pump, comprising: at least one sheet; and at least one rigid substrate coupled to the at least one sheet; wherein the at least one sheet and the at least one substrate form at least two separate semi-circular pump segments such that fluid flowing through the at least two semi-circular pump segments contacts the at least one rigid substrate and the at least one sheet; wherein the at least two semi-circular pump segments are configured to engage the plurality of rollers of the peristaltic pump, wherein the at least two separate semi-circular pump segments align to overlap with a circular travel path of the plurality of rollers such that each roller of the plurality of rollers travels over each of the at least two semi-circular pump segments in a repeating, serial order; and wherein at least one of the at least two pump segments includes a transition region at an angular end and wherein the transition region has a tapered internal cross-section.