Gas ampoule-syringe

Patent · Tue Oct 07 00:00:00 EDT 1986

OSTI ID:5008204

Gay, D D

This patent describes disposable gas ampoule holding or containing a gas such as a radioactive gas, comprising: (a) a cylindrical glass tube which is adapted to hold the gas; (b) a layer of absorbent material which circumscribes and which contacts cylindrical glass tube (a) which absorbs the gas; (c) a plastic tube, which circumscribes and contacts absorbent material layer (b) and which is externally threaded on each of its end portions; (d) a cap, which is threaded onto a first end of plastic tube (c); (e) a cylindrical block, which is positioned in the first end of cylindrical glass tube (a) adjacent to cap (d), which contacts cylindrical glass tube (a), which is composed of a foamed material and which is impregnated with a gas adsorbent material; (f) a cylindrical plunger tip, which is located in the first end of cylindrical glass tube (a) in a gas-tight manner adjacent to cylindrical block (e); (g) an end stopper, which has a central cylindrical shaft that is positioned in the second end of cylindrical glass tube (a); and (h) a cap, which is threaded onto the second end of plastic tube (e). A combination of the disposable gas ampoule and syringe adapted to operably interface with the gas ampoule is also described.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4615468
• OSTI ID: 5008204
• Resource Relation: Patent File Date: Filed date 22 Feb 1985
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
MEDICAL SUPPLIES
DESIGN
RADIOPHARMACEUTICALS
RADIONUCLIDE ADMINISTRATION
ADSORBENTS
AIRTIGHTNESS
FOAMS
GASES
GLASS
INJECTION
NOZZLES
PLASTICS
POSITIONING
TUBES
COLLOIDS
DISPERSIONS
DRUGS
FLUIDS
INTAKE
LABELLED COMPOUNDS
MATERIALS
PETROCHEMICALS
PETROLEUM PRODUCTS
SYNTHETIC MATERIALS
550601* - Medicine- Unsealed Radionuclides in Diagnostics
550604 - Medicine- Unsealed Radionuclides in Therapy- (1980-)