Surgical cassette having an aspiration pressure sensor

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Reexamination Certificate

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Details

C417S477500, C604S153000, C604S250000

Reexamination Certificate

active

06962488

ABSTRACT:
A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The flow channel projects outwardly from the exterior of the cassette so that a peristaltic pump having pump head rollers mounted radially from the axis of rotation of the pump motor compress the elastomeric flow channels against the rigid substrate during operation.

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