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US 6,572,349 B2Granted
Peristaltic pump and cassette
AssigneeAlcon Inc.
InventorsGary P. Sorensen, Tamer Akkas
Life of this patent
Estimating the term…
Abstract
A peristaltic pump having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The pump head rollers are mounted radially from the axis of rotation of the pump motor and compress the elastomeric flow channels against the rigid substrate.
Claims8
A cassette, comprising:
- a) a body having an exterior;
- b) a relatively flexible sheet attached to the body, the sheet containing at least one molded fluid channel, the fluid channel being generally arcuate and projecting outwardly from the exterior of the body, the arcuate shape of the fluid channel approximating a radius of a plurality of rollers located on a peristaltic pump roller head.
Dependencies are inferred from the claim text.