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.
12 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