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Radiation dose reduced up to

95%

The National Radiation Laboratory of the New Zealand Government Health Department reported on the Baulan (Nolan) Multiple X-ray Filters in December 1980.

They tested Dose levels on identical exposures with and without the Filters, and the following DOSE REDUCTION FACTORS WERE ACHIEVED.

LATERAL CERVICO-THORACIC

Skin                             95%

Bone Marrow               65%

LATERAL LUMBO-PELVIC

Skin                         80%

Bone Marrow             40%

Ovaries                     75%

Testes                      85%

A-P CERVICO-THORACIC

Skin                             85%

Bone Marrow               75%

A-P FULL SPINE

FEMALE

Skin                85%

Bone Marrow    45%

Ovaries            60%

MALE

Skin                85%

Bone Marrow    35%

Testes            85%*

* GONAD SHIELDS PLACED ON THE PATIENT GIVE: 

44.73%  LESS GENETIC DOSE

THAN THOSE OF SIMILAR CONSTRUCTION MOUNTED ON

THE LIGHT BEAM DIAPHRAGM.

(National Radiation Lab of New Zealand NRL 75/4.)  

Nolan X-ray Filters

Accu-Rad Calipers

Gonad-A-Guard Shields