×

High pressure pumping cartridges for medical and surgical pumping and infusion applications

  • US 20040234380A1
  • Filed: 01/09/2004
  • Published: 11/25/2004
  • Est. Priority Date: 04/27/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method for supplying a high-pressure liquid to a surgical or medical instrument, the method comprising:

  • delivering a liquid to a pumping cartridge comprising therein a cylinder and a piston rod constructed and arranged for sliding motion within the cylinder, the pumping cartridge including therein a sealing component shaped to include a flared sealing flange portion constructed and arranged to create a fluid-tight seal within the pumping cartridge during operation;

    creating a sliding motion of the piston rod relative to the cylinder so as to increase the pressure of liquid within the cylinder to a pressure of at least about 1000 psig; and

    flowing the pressurized liquid from the pumping cartridge to the surgical or medical instrument.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×