Tubing restoring bumpers for improved accuracy peristaltic pump

Details Tubing restoring bumpers for improved accuracy peristaltic pump Tubing restoring bumpers for improved accuracy peristaltic pump

1998-03-03

2000-10-31

Smith, Jeffrey A.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

417474, A61M 100, F04B 4312

Patent

active

061395315

ABSTRACT:
An apparatus in a medical delivery device for biasing tubing having a select original cross-section which is subject to compression and relaxation to substantially its original cross-section upon relaxation. The apparatus includes a plurality of bumpers disposed lengthwise of the tubing operatively associated with the tubing to bias the tubing to its original cross-section and spaced relative to adjacent bumpers to provide for free expansion of the tubing as it is subject to compression.

REFERENCES:
patent: 3778195 (1973-12-01), Bamberg
patent: 4199307 (1980-04-01), Jassawalla
patent: 4302164 (1981-11-01), Manella
patent: 4893991 (1990-01-01), Heminway et al.
patent: 5772409 (1998-06-01), Johnson
patent: 5823746 (1998-10-01), Johnson

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