Accurate peristaltic pump

Details Accurate peristaltic pump Accurate peristaltic pump

1989-12-14

1991-05-28

Smith, Leonard E.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 45, 417 53, 417474, 604153, F04B 4312, F04B 4900

Patent

active

050189450

ABSTRACT:
A method and device are provided for infusing a fluid into a patient via a tubing. A peristaltic pumping apparatus is provided which applies a pumping action to the tubing. A linear variable differential transformer measures the diameter of the tubing subject to the pumping action. The diameter of the tubing is measured at various times and changes in the diameter of the tubing are utilized to adjust the pumping action on the tubing.

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