Surgery – Truss – Perineal
Patent
1993-03-29
1994-08-09
Apley, Richard J.
Surgery
Truss
Perineal
128 22, 128 23, 362 32, 362138, A61B 300
Patent
active
053356489
ABSTRACT:
An entoptoscopic instrument (10) comprises a light source unit (20), a light transmitting member (30), and a mirror member (40). The light source unit (20) comprises a filter for cutting off harmful wavelength components from illumination light to restrict the wavelength components of the illumination light to a range between 440 nm and 880 nm.
REFERENCES:
patent: 4870952 (1989-10-01), Martinez
patent: 4878487 (1989-11-01), Sinnett
Kozawa Tadahiko
Osakabe Yasuhiro
Suematu Takashi
Apley Richard J.
Hoya Corporation
Mulcahy John
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