Portable peristaltic pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Mar 8, 1999
filing date -
Sep 10, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a peristaltic pump comprising a rotor (109) provided with three turning rollers (110), means for driving the rotor, a support piece with a rounded portion arranged substantially concentric to the rotor and against which the rollers, when operating, come to compress a flexible pipe connected to a reservoir of liquid to push it outwards and means for turning said rotor by external means to air bleed the pipe. The rotor (109) is made of two concentric superposed parts the first (115) of which is coupled with drive means and the second (122, 123) bears the rollers. The rotor further comprises engaging-disengaging means (118, 120) whereby: when operating normally, its two parts co-operate for its rotation by its drive means; when it is rotated by external means, said parts are automatically disengaged. The invention is useful for subcutaneous or intravenous injection of medicinal solutions.
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Family
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Cited Art Landscape
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