Pump, especially for the blood treatment
5 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a pump, especially usable as a peristaltic pump in an apparatus for blood treatment, wherein it is provided with at least a hammer element which interacts with at least one tube portion in which a fluid to be pumped flows and with motion means for said hammer element which push the hammer element against said tube portion so as to press it, the value of the stroke executed by said element not allowing the complete crushing of the tube itself.
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Citations
23 Claims
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1-9. -9. (canceled)
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10. A pump, adapted to operate as a peristaltic pump in an apparatus for blood treatment, comprising:
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at least one hammer element adapted to interact with at least one tube portion in which a fluid to be pumped flows, said pump being adapted to push said at least one hammer element against the at least one tube portion so as to press the at least one tube portion, wherein a stroke executed by said at least one hammer element does not completely crush the at least one tube portion; and a mechanically activated element adapted to move said at least one hammer element. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A pump, adapted to operate as a peristaltic pump in an apparatus for blood treatment having a rigid wall, comprising:
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at least one hammer element adapted to interact, in correspondence with the rigid wall, with at least one tube portion in which a fluid to be pumped flows, said pump being adapted to push said at least one hammer element against the at least one tube portion so as to press the at least one tube portion, wherein a stroke executed by said at least one hammer element does not completely crush the at least one tube portion; and a mechanically activated element adapted to move said at least one hammer element. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification