PHACOEMULSIFICATION HAND PIECE WITH INTEGRATED ASPIRATION PUMP
5 Assignments
0 Petitions
Accused Products
Abstract
An ophthalmic surgical hand piece comprises a driver coupled to a horn. The horn is coupled to a needle. An aspiration pump is integral with the hand piece and is located close to the needle. A rigid length of aspiration line is located between the aspiration pump and the needle. An optional pressure sensor is located between the aspiration pump and the needle as well.
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Citations
16 Claims
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1-8. -8. (canceled)
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9. An ophthalmic surgical hand piece comprising:
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a driver coupled to a horn, the horn coupled to a needle; an aspiration pump integral with the hand piece, the aspiration pump comprising; a motor; and a shaft having a spiral structure coupled to the motor; a rigid length of aspiration line located between the aspiration pump and the needle, and a removable cartridge that is releasably securable to the aspiration pump, the removable cartridge comprising a flexible tubing pressed against the spiral structure operable to cause movement of fluid within the flexible tubing as the shaft is rotated by the motor. - View Dependent Claims (10, 11, 12)
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13. An ophthalmic surgical hand piece comprising:
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a driver coupled to a horn, the horn coupled to a needle; an aspiration pump integral with the hand piece, the aspiration pump comprising; a motor; and a shaft having a spiral structure coupled to the motor; a disposable segment that is removably coupled to the aspiration pump, the disposable segment comprising a flexible tubing pressed against the spiral structure operable to cause movement of fluid within the flexible tubing as the shaft is rotated by the motor; and a rigid length of aspiration line located between the aspiration pump and the needle. - View Dependent Claims (14, 15, 16)
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Specification