Surgical instruments, particularly phacoemulsification handpieces

JP7828392B2Active Publication Date: 2026-03-11WEFIS GMBH
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2026-03-11

AI Technical Summary

Technical Problem

The high manufacturing cost and sterilization requirements of phacoemulsification handpieces are hindering the development of a disposable version, as they are made from durable materials and reused multiple times, increasing costs and complexity.

Method used

The use of high-strength aluminum alloys for the ultrasonic transducer components, combined with biocompatible materials for the ultrasonic horn and resonator, and a plastic housing design with cooling mechanisms to maintain efficiency and safety.

Benefits of technology

This design allows for a cost-effective, disposable phacoemulsification handpiece that maintains performance and safety by using durable aluminum alloys and biocompatible materials, reducing manufacturing and sterilization costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a surgical instrument, in particular a phacoemulsification handpiece, with individual components simplified to enable more economical production.SOLUTION: A phacoemulsification handpiece 10 has a housing 12, an ultrasonic transducer 40 positioned in the housing, and a tool 46 for ultrasonic excitation containing metal and operatively connected to the ultrasonic transducer. The ultrasonic transducer has an ultrasonic horn, a resonator 58, and a piezoelectric ceramic element 60 positioned therebetween. The housing comprises and / or consists of plastic.SELECTED DRAWING: Figure 1
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Citation Information

Patent Citations

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  • Systems and methods for eye surgery

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  • Systems and methods for eye surgery

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