Apparatus for the fragmentation and aspiration of ocular tissue

Details Apparatus for the fragmentation and aspiration of ocular tissue Apparatus for the fragmentation and aspiration of ocular tissue

1982-12-21

1985-07-30

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

433 91, 128305, 604 27, 604 35, A61B 1720

Patent

active

045319340

ABSTRACT:
An apparatus for the fragmentation and aspiration of ocular tissues consi of a controlled ultrasonic generator connected to a magnetostriction converter to produce mechanical ultrasonic vibrations transmitted therefrom to a hollow needle joined thereto. The end of the needle opposing the end connected to the magnetostriction converter is adapted to be brought into contact with the ocular tissue under fragmentation and comprises an end wall portion with a through opening having a diameter substantially between 1/3 and 2/3 of the diameter of a needle bore. The surface of the needle can be fashioned into a cone or a cylinder.

REFERENCES:
patent: 3433226 (1969-03-01), Boyd
patent: 3857387 (1974-12-01), Shock
patent: 3874372 (1975-04-01), Le Bon
patent: 4178935 (1979-12-01), Gekhman et al.

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