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Methods and apparatuses for joining a pumping cartridge to a pump drive

  • US 20040228736A1
  • Filed: 01/13/2004
  • Published: 11/18/2004
  • Est. Priority Date: 04/27/2001
  • Status: Active Grant
First Claim
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1. A method for reversibly coupling a pumping cartridge to a reusable pump drive system, the method comprising:

  • providing the reusable pump drive system with a first pumping cartridge retaining component configured and positioned to enable it to engage a first portion of the cartridge, the first pumping cartridge retaining component being adjustable between a retaining position and a non-retaining position;

    providing a driveshaft of the reusable pump drive system with a second pumping cartridge retaining component configured and positioned to enable it to engage a second portion of the cartridge comprising a portion of a piston shaft of the pumping cartridge, the second pumping cartridge retaining component being adjustable between a retaining position and a non-retaining position;

    preparing the pumping cartridge for connection to the reusable pump drive system by placing a piston of the pumping cartridge in a selected position relative to a cylinder of the pumping cartridge;

    inserting the pumping cartridge into the reusable pump drive system;

    adjusting the first and second pumping cartridge retaining components to their non-retaining positions; and

    moving at least one of the first and second pumping cartridge retaining components to its retaining position.

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