US Patent 10053282 Cassette for dispensing pleated tubing

A cassette for use in dispensing a pleated tubing. The cassette includes an annular body having a generally U shaped housing with a central cylindrical core. The at least one wall has an upper end with a downturn lip disposed thereon. An annular cover extends radially outward from the central cylindrical core over the annular body defining a gap. The cover has a socket into which the upper end with the downturn lip is secured. A tubing is disposed within the u-shaped housing and withdrawn from the gap.