Transport device for sterile media

Details Transport device for sterile media Transport device for sterile media

2004-08-24

2011-12-27

Freay, Charles (Department: 3746)

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

C417S002000, C417S062000

Reexamination Certificate

active

08083493

ABSTRACT:
For water-jet surgery pump devices are known by means of which a sterile fluid is transported through a reservoir to the surgical instrument by means of piston pumps or similar volumetrically transporting pumps. In accordance with the present invention it is proposed either to construct drive means for the pumps in such a way that their suction cycle is shorter than the output cycle, or to provide a pump with at least three pump chambers and to construct the drive means in such a way that the suction and output cycles of the pump chambers overlap one another.

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Chinese Office Action dated Aug. 25, 2010, issued in related Chinese Application No. 200810181733 4.

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