Optics: eye examining – vision testing and correcting – Eye examining or testing instrument
Patent
1995-03-21
1997-12-02
Mai, Huy
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
351247, 417420, A61B 300, F04B 1700
Patent
active
056941960
ABSTRACT:
An experimental instrument for examining permeability of a flowing cornea is used for imitating a lacrimal layer in the front part of a cornea or the back part of the cornea (an aqueous humor) by means of storing a various kinds of solutions comprises a cell body including a stirring part of a cylindrical wall and a bottom surface at a bottom part thereof, a constant temperature tank which surrounds the cell body all around a sample membrane setting part which is protrusively arranged at an outer surface of the call body and can set a sample membrane such as a contact lens used as a cornea or a corneal model, an outflow tube which is protrusively arranged at an outer surface of the stirring part and makes a solution in the cell body discharge, an inflow tube which is protrusively arranged at an upper part of the cell body and makes the solution flow inside of the cell body, a magnet rotator which is arranged inside the stirring part of the cell body, and a magnet stirrer which makes the magnet rotator inside the cell body rotate by means of magnetic force.
REFERENCES:
patent: 5599175 (1997-02-01), Tojo et al.
Hirai Yoshiaki
Tojo Kakuji
Mai Huy
Senju Seiyaku Kabushiki Kaisha
Tojo Kakuji
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