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A cost-effective and versatile xenon gas dispenser
Joseph C Hung1, Warren N Lenz, Terry L Reed
1Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA.
Nuclear Medicine Communications
|March 9, 2005
Summary
A modified xenon gas dispenser allows combining two unit-dose vials for cost-effective, customized patient dosing. This innovation ensures efficient management of radioactive xenon gas (133Xe) for medical applications.
Area of Science:
- Medical Physics
- Radiopharmacy
- Nuclear Medicine Technology
Background:
- Commercial xenon gas dispensers are used for delivering radioactive xenon (133Xe) doses.
- Current methods may not offer optimal flexibility for varied patient needs or cost-effective vial management.
Purpose of the Study:
- To modify a commercial xenon gas dispenser to accommodate and dispense from two unit-dose vials simultaneously.
- To enable customized dosing and improve cost-effectiveness in radioactive xenon administration.
Main Methods:
- Modified the vial shield and needle port of a commercial gas dispenser.
- Incorporated two puncture needles and two vial holders into the modified dispenser.
- Maintained the original operating mechanism and lead shielding thickness.
Main Results:
- The modified dispenser operated identically to the commercial unit.
- No significant difference in average 133Xe residual activity was found between the modified (one or two vials) and commercial (one vial) dispensers.
- The device demonstrated consistent performance with single or dual vials.
Conclusions:
- The modified xenon gas dispenser offers a cost-effective solution for managing radioactive xenon vial stock.
- Enables dispensing of two low-activity vials for standard doses or customized doses for special patient needs.
- Can also function as a single-dose dispenser, enhancing its versatility.