×

Infusion pump system and conduit therefor

  • US 4,781,548 A
  • Filed: 04/10/1987
  • Issued: 11/01/1988
  • Est. Priority Date: 04/10/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. An infusion system operable on a resilient longitudinal tube for pumping fluid therethrough, comprising:

  • (a) a plurality of fixed spaced apart first comb means for receiving a tube and defining a pumping volume;

    (b) means positioned adjacent to and cooperating with said first comb means for maintaining the tube in position;

    (c) a plurality of movable spaced apart second comb means interdigitated with said first comb means and engageable with the tube for reciprocatingly compressing the pumping volume;

    (d) first and second spaced apart cooperating valve means engageable with the tube for selectively compressing the tube and thereby permitting fluid to flow from or into the pumping volume;

    (e) drive means operably associated with said second comb means and with said first and second valve means for simultaneously reciprocating said second comb means and operating for selectively said first and second valve means; and

    ,(f) brake means operably associated with said drive means for preventing unintended reciprocation of said second comb means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×