Phacoemulsification irrigation assembly

By combining a metal connector with a plastic needle, a metal infusion cannula, and a plastic clamping infusion sleeve, the problems of high processing difficulty and surgical risk of ultrasonic emulsification needles are solved, enabling micro-incision surgery and improved anterior chamber stability.

CN114557813BActive Publication Date: 2026-07-10INNOLCON MEDICAL TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INNOLCON MEDICAL TECHNOLOGY (SUZHOU) CO LTD
Filing Date
2022-01-24
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing ultrasonic emulsification needles are difficult and costly to manufacture, and pose surgical risks such as incision burns and poor perfusion.

Method used

By combining a metal connector with a plastic needle tube, along with a metal infusion sleeve and a plastic clamping infusion sleeve, an ultrasonic emulsification infusion assembly is formed. This reduces the difficulty of needle manufacturing, improves anterior chamber stability, and prevents incision compression and reduction of infusion fluid.

Benefits of technology

It enables minimally invasive surgery, reduces the risk of astigmatism, minimizes incision burns, improves anterior chamber stability, and reduces the likelihood of surges.

✦ Generated by Eureka AI based on patent content.

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    Figure CN114557813B_ABST
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Abstract

The application discloses an ultrasonic emulsification perfusion assembly, which comprises a metal connector, a plastic needle tube arranged in the metal connector, a metal perfusion sleeve provided with a water inlet and a perfusion port, and a plastic clamping perfusion sleeve which is sleeved outside the metal perfusion sleeve and forms a liquid storage space, wherein the water inlet is arranged in the liquid storage space. The application has the following beneficial effects: the slender needle head of the plastic needle tube can improve the stability of the anterior chamber and reduce the probability of surge occurrence; the relatively soft plastic needle head tip can also reduce the probability of puncturing the lens capsule; the metal perfusion sleeve effectively separates the ultrasonic emulsification needle tube body from the extrusion of the incision, greatly reduces or even eliminates the incision burn caused by ultrasonic friction; the relatively hard metal perfusion sleeve effectively prevents the perfusion liquid from being reduced or blocked due to the extrusion or distortion of the incision, thereby improving the stability of the anterior chamber and reducing the probability of surge occurrence.
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Citation Information

Patent Citations

  • Ultrasonic emulsification infusion sleeve with cheek

    CN102281841A

  • Safe and economical ultrasonic emulsification needles

    CN104055620B

  • Torsional mode needle for phacoemulsification

    CN107530102A

  • Ultrasonic suction and injection integrated device

    CN110338969A

  • Safe and economical ultrasonic emulsification needle

    CN203988621U