Strontium-rubidium infusion system

• US 4,562,829 A
• Filed: 05/01/1984
• Issued: 01/07/1986
• Est. Priority Date: 02/28/1983
• Status: Expired due to Term

• Current Assignee: Bracco International B.V. (Bracco SPA)
• Original Assignee: E R Squibb & Sons Incorporated
• Inventors: Bergner, Brian C.
• Primary Examiner(s): ROSENBERG, PETER
• Application Number:
  US06/605,758
• Time in Patent Office: 616 Days
• Field of Search: 128/654, 128/659, 128/1.1
• US Class Current: 600/4
• CPC Class Codes: A61M 2205/051 with radiation therapy
• CPC Class Codes: A61M 5/007 for contrast media
• CPC Class Codes: A61M 5/1407 Infusion of two or more substances
• CPC Class Codes: A61M 5/1452 pressurised by means of pistons
• CPC Class Codes: A61M 5/16827 controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths infusion of multiple fluids without using a controller A61M5/1407
• CPC Class Codes: A61M 5/172 electrical or electronic A61M5/16804, A61M5/16831 take precedence
• CPC Class Codes: G01T 1/203 the detector being made of plastics
• CPC Class Codes: G21G 1/0005 Isotope delivery systems use of radioisotopes as tracers G21H5/02
• CPC Class Codes: G21G 2001/0031 Rubidium

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.

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.