Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-06-26
1980-12-23
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128 11, A61B 600
Patent
active
042404215
ABSTRACT:
A light weight syringe shield for use with syringes containing radioactive materials. The shield includes an outer shell of lead or similar gamma ray impervious material and a correspondingly configured inner shell of synthetic resinous materials. Both shells are of arcuate cross section, and extend through an arc substantially greater than 180 degrees so as to be selectively spread to enable the shield to be snapped laterally on the barrel of the syringe to be resiliently retained thereby. The shield is sufficiently long to cover that part of the barrel normally filled with the radioactive material, and it may be slid longitudinally of the barrel to permit calibration in an ion well chamber, as well as when the syringe is in use.
REFERENCES:
patent: 3563239 (1971-02-01), Hill
patent: 3820541 (1974-06-01), Langan
patent: 4040419 (1977-08-01), Goldman
patent: 4060073 (1977-11-01), Collica et al.
patent: 4062353 (1977-12-01), Foster et al.
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