Claims for Patent: 4,562,829

Summary for Patent: 4,562,829

Title:	Strontium-rubidium infusion system
Abstract:	The strontium-rubidium infusion system includes means for generating a solution containing rubidium-82, measuring the radioactivity in the solution, and infusing it into a patient in order to perform various studies on the patient's heart. The system includes a wash syringe which can be used by a physician to manually inject a bolus containing a large amount of radioactivity directly into a patient in order to perform first pass ventriculography studies.
Inventor(s):	Bergner; Brian C. (Lawrenceville, NJ)
Assignee:	E. R. Squibb & Sons, Inc. (Princeton, NJ)
Application Number:	06/605,758
Patent Claims:	1. A strontium-rubidium infusion system comprising: (a) means for generating rubidium-82 in a solution which can be infused into a patient; (b) means for collecting a predefined volume of solution containing rubidium-82; (c) means for measuring the radioactivity present in said predefined volume before it is infused into said patient; and (d) means for quickly infusing said predefined volume of rubidium-82 into said patient as a single bolus. 2. The strontium-rubidium infusion system of claim 1 wherein said means for generating rubidium-82 in a solution which can be infused into a patient comprises a strontium-rubidium generator. 3. The strontium-rubidium infusion system of claim 2 wherein said means for infusing said solution into a patient comprises a syringe. 4. The strontium-rubidium infusion system of claim 3 wherein said means for infusing said solution into a patient further comprises means for electromechanically operating said syringe. 5. The strontium-rubidium infusion system of claim 4 wherein said means for electromechanically operating said syringe comprises a stepper motor which drives means for moving the plunger of said syringe. 6. The strontium-rubidium infusion system of claim 5 further comprising electronic means for controlling said means for electromechanically operating said syringe comprises a stepper motor which drives means for moving the plunger of said syringe. 7. The strontium-rubidium infusion system of claim 6 further comprising means for measuring the radioactivity present in said solution as it is infused into said patient. 8. The strontium-rubidium infusion system of claim 6 further comprising means for measuring the radioactivity present in said solution as it is infused into said patient. 9. The strontium-rubidium infusion system of claim 6 wherein said means for measuring the radioactivity present in said solution as it is infused into said patient comprises a dosimetry system. 10. The strontium-rubidium infusion system of claim 6 wherein said dosimetry system is connected to means for controlling said means for infusing. 11. The strontium-rubidium infusion system of claim 1 wherein said means for quickly infusing said predefined volume of rubidium-82 into said patient as a single bolus comprises a manually operated wash syringe. 12. The strontium-rubidium infusion system of claim 11 wherein said manually operated wash syringe is initially filled with saline solution.