Isotope Delivery Systems TRIZ Cases

Real-time positron feedback adjusts saline flow and valve position to keep 82Rb activity stable as generator conditions change.

Real-time positron detection adjusts saline flow and valve control to keep 82Rb dosing stable despite generator condition changes.

Real-time monitoring of 82Rb activity, pressure, and volume adjusts saline flow to keep PET dose delivery consistent as the generator ages.

Monitoring eluate radioactivity, time, and volume enables early breakthrough prediction, helping prevent contamination and shutdowns.

A removable cartridge handling setup clears the reactor viewing port, tracks isotope targets precisely, and simplifies shielded transfer.

A self-sealing antimicrobial plug lets a needle pierce and reclose repeatedly, protecting against damage and microbial contamination.

Air cylinders and slide plates automate target exchange at the accelerator, reducing replacement downtime while preserving a compact RI manufacturing configuration.

An electric field captures charged daughter radionuclides in liquid, improving Pb-212 purity while reducing recoil and contamination risk.

RFID tracking automates valve control during chromatographic separation, resolving manual handling errors in short half-life production.

A radionuclide container uses an offset stopper and curved tube to redirect radiation line-of-sight away from the vial during separation.

A shielded needle positioner and capsule holder enable precise filling of radioactive solutions.

A collection system uses a radio detector and control unit to direct radioactive fractions into specific vessels or waste outlets.

Segmenting detection into beta and gamma sensors resolves measurement precision versus device complexity to prevent Sr-82 contamination.

Gravity-fed filling via inverted vial eliminates manual needle handling to prevent operator exposure.

Sealing inlet and outlet ports prevents radiological contamination and moisture re-entry during steam-air sterilization of sealed column assemblies.

Alignment wings on a radiation shielding lid guide vial insertion, preventing connector damage from misalignment during fluid connections.

Isomorphous substitution in a zeolite matrix retains germanium-68, reducing breakthrough and improving yield.

Solenoid valves replace peristaltic pumps to control radioactive fluid flow, resolving coarse regulation difficulties.

Separating heavy shielding from the chromatographic column reduces handling weight while maintaining radiation safety.

Nested capsule design minimizes radiation exposure during extended irradiation cycles.

Segmented shielding caps protect against radiation exposure without increasing overall device weight.

A mobile support block aligns cells with an opening to allow external access, reducing operator radiation exposure during radiopharmaceutical preparation.

A multidiameter elution capsule merges irradiation and elution functions into a single device structure.

Bidirectional flow through segmented columns overcomes low daughter nuclide purity in direct flow generators by reducing eluate volume.