HOLLOW NEEDLE FOR AN OPHTHALMIC SURGICAL INSTRUMENT
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Accused Products
Abstract
A hollow needle for an ophthalmic surgical instrument for the in-vivo fragmentation of organic lenses by way of ultrasound, comprising a connecting region (1) for coupling to the instrument and a work region (3) configured at a free end (2), said work region having an effective surface (4) for emitting ultrasonic waves, a suction channel (5) for suctioning out lens fragments extending through the hollow needle, said channel being open in the work region (3) and the opening (6) thereof being formed or delimited by the effective surface (4), characterized in that the suction channel (5) has at least one further opening (7), which acts as a bypass and is configured in the work region (3).
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Citations
36 Claims
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1-18. -18. (canceled)
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19. A hollow needle for an ophthalmic surgical instrument for in vitro fragmentation of organic lenses by means of ultrasound, said hollow needle comprising:
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a connection area for connection to the instrument; and a work area formed on a free end with an effective surface for emission of ultrasonic waves, in which a suction channel opening the work area extends through the hollow needle for suction of lens fragments, whose opening is formed or delimited by the effective surface, wherein the suction channel has at least one additional opening acting as bypass, which is formed in the work area. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification