|
US2258083A
|
|
Instrument for examining body cavities
|
|
US1643719A
|
|
Device for light treatment of tubes and cavities of the body
|
|
GB256194A
|
|
Improvements in devices for the light-treatment of tubes and cavities in the body
|
|
US1643718A
|
|
Device for examining tubes and cavities in the body
|
|
GB250609A
|
|
Improvements in devices for examining tubes and cavities in the body
|
|
US1632612A
|
|
Gastroscope
|
|
GB244748A
|
|
Improvements in gastroscopes
|
|
US1650563A
|
|
Illuminating device for medical purposes
|
|
US1606861A
|
|
Gastroscope
|
|
US1431902A
|
|
Instrument for examining cavities of the body
|
|
US1199731A
|
|
Medical appliance.
|
