Instrument and method of measuring dilatation of cervix uteri

Details Instrument and method of measuring dilatation of cervix uteri Instrument and method of measuring dilatation of cervix uteri

1978-11-08

1980-06-17

Howell, Kyle L.

Surgery

Truss

Pad

128775, 33143C, A61B 510

Patent

active

042079020

ABSTRACT:
An instrument for measuring dilatation of cervix uteri has two elongated arms movable relative to one another in a scissors-like manner and each having a measuring portion and an indicating portion spaced from one another. Two expansible loops are formed at the end of the measuring portions, whereas an indicating tip is provided at the end of one indicating portion and a scale is provided at the end of the other indicating portion. In accordance with the inventive method, fingers of a physician extend through the loops so as to palpate the edge of the orifice of cervix uteri and move the loops apart from one another. At the same time, the indicating tip points to a respective graduation mark of the scale and thereby shows a degree of dilation.

REFERENCES:
patent: 1953498 (1934-04-01), Pieri et al.
patent: 2241451 (1941-05-01), Fist
patent: 2507959 (1950-05-01), Chapman
patent: 3097637 (1963-07-01), Horton
patent: 4141345 (1979-02-01), Allen et al.

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