Corneal template set

Details Corneal template set Corneal template set

1983-06-22

1985-05-21

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33512, 351205, 351247, G01B 334, A61B 300

Patent

active

045177473

ABSTRACT:
A template set for use in corneal size measurement. The templates take the form of identical thin and flexible blades rounded at one end, and are arranged in a stack in parallel planes. The blades are pivotally coupled together adjacent their opposite ends by a pivot pin which extends through the whole stack. The pivot pin allows individual blades to be pivoted out of the stack for use. Each blade has a circular opening adjacent the rounded end of the blade and the openings are graduated in size in predetermined increments from one end of the stack to the other. Each blade is also visibly marked to indicate the size of the opening.

REFERENCES:
patent: 867011 (1907-09-01), Bromley
patent: 1667802 (1928-05-01), Homan, Jr.
patent: 1755152 (1930-04-01), Parker
patent: 3993045 (1976-11-01), Ion
patent: 4160330 (1979-07-01), Grolman
patent: 4211241 (1980-07-01), Kaster et al.
patent: 4309085 (1982-01-01), Morrison

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