Patent ID: 7169135
Filing Date: 2007-01-30
Classification: A61M,Y10S

Abstract:
1. A method of controlling a medical fluid injection apparatus, comprising: a. providing an injector assembly with a fluid delivery mechanism for injecting medical fluid; b. providing a multiple use first disposable subassembly for use with said fluid delivery mechanism; c. counting the number of times said first disposable subassembly is used to deliver medical fluid; d. notifying an operator of said fluid injection apparatus of the number times said first disposable subassembly has been used to deliver medical fluid; e. allowing said operator to either replace said first disposable subassembly with a second disposable subassembly or to continue using said first disposable subassembly; and f. providing an ‘end case’ function whereby after an injection procedure, said operator terminates the procedure by providing an indication that will cause the medical fluid injection apparatus to count the procedure as one use of said first disposable subassembly.