×

Artificial kidney proportioning system

  • US 4,172,033 A
  • Filed: 10/13/1977
  • Issued: 10/23/1979
  • Est. Priority Date: 12/23/1974
  • Status: Expired due to Term
First Claim
Patent Images

1. An artificial kidney system comprising a dialyzer having an input and an output for dialyzing solution,pump means for supplying a dialyzing solution to and removing dialyzing solution and ultrafiltrate from said dialyzer at pressures to cause ultrafiltration at a range of desired rates,said pump means including a positive displacement piston and cylinder input pump and a positive displacement piston and cylinder output pump, each having a piston rod projecting from its cylinder,and means connected to said rods for indicating the rate of ultrafiltration.

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