Peristaltic Pump and Cassette
First Claim
Patent Images
1. A cassette for use with a peristaltic pump, the cassette comprising:
- a body having an exterior;
a sheet attached to the body forming at least one fluid channel, the fluid channel being generally arcuate and projecting outwardly from the exterior of the body, the fluid channel having at least one outlet port for receiving a liquid; and
a liquid trap in fluid communication with and extending at least in part in an upward direction from the at least one outlet port.
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Accused Products
Abstract
A cassette for use with a peristaltic pump. The cassette having a body having an exterior. Additionally, the cassette has a sheet attached to the body forming at least one fluid channel. The fluid channel being generally arcuate and projecting outwardly from the exterior of the body. The fluid channel having at least one outlet port for receiving a liquid. Furthermore, the cassette has a liquid trap in fluid communication with and extending at least in part in an upward direction from the at least one outlet port.
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Citations
20 Claims
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1. A cassette for use with a peristaltic pump, the cassette comprising:
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a body having an exterior; a sheet attached to the body forming at least one fluid channel, the fluid channel being generally arcuate and projecting outwardly from the exterior of the body, the fluid channel having at least one outlet port for receiving a liquid; and a liquid trap in fluid communication with and extending at least in part in an upward direction from the at least one outlet port. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cassette for use with a peristaltic pump, the cassette comprising:
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a body having an exterior; a sheet attached to the body forming at least one molded fluid channel, the fluid channel being generally arcuate and projecting outwardly from the exterior of the body to define an expansion volume, the fluid channel having at least one outlet port for receiving a liquid; and a liquid trap in fluid communication with the at least one outlet port, the liquid trap defining a volume that is greater than or equal to the expansion volume of the fluid channel. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method for operating a peristaltic pump having a roller head, the method comprising:
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providing a surgical cassette comprising; a body having an exterior; a sheet attached to the body forming at least one fluid channel, the fluid channel having an inlet port and an outlet port; and a liquid trap in fluid communication with and extending at least in part in an upward direction from the outlet port; positioning the cassette with respect to the roller head of the peristaltic pump; rotating the roller head such that at least one roller contacts the sheet to cause fluid flow through the at least one fluid channel; and trapping liquid with the liquid trap adjacent the outlet port. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification