Instrumentation for ophthalmic surgery and method of using the s

Details Instrumentation for ophthalmic surgery and method of using the s Instrumentation for ophthalmic surgery and method of using the s

1992-02-10

1994-05-17

Aschenbrenner, Peter A.

Surgery

Instruments

Means for removing, inserting or aiding in the removal or...

30151, 606167, 606172, A61B 1700

Patent

active

053124138

ABSTRACT:
For protection of the otherwise sharp protruding end of a given instrument for use in ophthalmic or other surgery, as when the instrument is to be used only after it has traversed the major part of a scleral tunnel, a shiftable guard or shield is manipulable after it has served its function of avoiding damage to hemorrhageable tissues adjacent tunnel-wall tissue, thereby exposing the sharp end only after safely passing the hemorrhageable region. Various embodiments are described.

REFERENCES:
patent: 1242415 (1917-10-01), Benson
patent: 2288555 (1942-06-01), St. Jacques
patent: 2521161 (1950-09-01), Grover
patent: 4494542 (1985-01-01), Lee
patent: 4569133 (1986-02-01), Schmidt
patent: 4576164 (1986-03-01), Richeson
patent: 4955894 (1990-09-01), Herman

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