Tubing cassette for a peristaltic pump
AssigneeW.O.M. World of Medicine GmbH
InventorsChristian Haser, Peter Zentner
Life of this patent
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Abstract
The invention concerns a hose cartridge for a peristaltic pump comprising a cartridge housing, comprising a flexible pump hose segment extending through the cartridge housing, wherein both ends of the pump hose segment are fixed in the cartridge housing by a first fixing member and a second fixing member, wherein the first fixing member and the second fixing member are arranged in the area of a first front face of the cartridge housing, and wherein the cartridge housing includes a recess for the engagement of a roller wheel of the pump in the interior of the cartridge housing. It is characterized by that the pump hose segment extends in the hose cartridge along a circular segment (K) spanning an angle of at least 90°, when the hose cartridge is not inserted into the pump.
Claims16
A hose cartridge for a peristaltic pump comprising:
- a cartridge housing including,
- a single flexible pump hose segment extending through the cartridge housing,
- wherein two ends of the single pump hose segment are fixed in the cartridge housing by means of a first fixing member and of a second fixing member, respectively, in a stationary manner,
- wherein the first fixing member and the second fixing member are arranged at a first front face of the cartridge housing, and wherein the two ends of the single pump hose segment are fixed to the first fixing member and the second fixing member at the first front face of the cartridge housing,
- wherein at least one of the first fixing member and the second fixing member includes a flexible membrane arranged in the area of the first front face and hydrostatically communicating with the single pump hose segment,
- wherein the cartridge housing includes a recess for the engagement of a roller wheel of the pump in the interior of the cartridge housing, and
- wherein the single pump hose segment extends in the hose cartridge along a circular segment (K) spanning an angle of at least 90°, when the hose cartridge is not inserted into the pump.
Dependencies are inferred from the claim text.