RECIPROCATING PUMP
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jul 20, 2018
filing date -
Jul 20, 2018
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A pump suitable for use in a wearable medical device, such as a patch pump, comprises an axially translatable chamber with an inlet and an outlet, a piston or a diaphragm rotatably received in the chamber, a first valve between the inlet and the chamber, a second valve between the outlet and the chamber, a cam affixed to the chamber, a follower affixed to the piston and in contact with the cam for axially translating the chamber, and a biasing means acting on the chamber for applying a force on the chamber in an axial direction of the chamber to maintain such contact.
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