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The Ophthalmologist / Issues / 2026 / March / Oertli Commercial Launch of OS 4 Up
News Research & Innovations

Commercial Launch of OS 4 Up

Platform features newly developed Phaco Assisted Cataract Surgery (PACS) modulation

3/6/2026 1 min read

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Clinical Report: Launch of OS 4 Up Surgical Platform for Cataract and Vitreoretinal Surgery

Overview

Oertli Instrumente AG has launched the OS 4 Up™, a new surgical platform designed for cataract and vitreoretinal surgery. The system features advanced phaco modulation and dynamic infusion technology to enhance surgical precision and maintain stable intraocular conditions.

Background

Cataract and vitreoretinal surgeries require precise control of surgical instruments and intraocular pressure to ensure optimal outcomes. Traditional phacoemulsification techniques can be limited by variable lens densities and fluctuations in intraocular pressure during surgery. Innovations that improve energy delivery and fluidics can enhance surgical efficiency and safety. The OS 4 Up platform addresses these challenges by integrating adaptive energy modulation and advanced infusion systems tailored to surgeons' needs.

Data Highlights

The OS 4 Up introduces Phaco Assisted Cataract Surgery (PACS), which adapts energy delivery in real time based on resistance at the phaco tip, maintaining constant tip movement regardless of lens density. Additionally, the platform offers three infusion types: passive, active, and dynamic infusion, the latter compensating for intraocular pressure fluctuations to maintain stable conditions even at high flow and vacuum settings.

Key Findings

  • The OS 4 Up combines physics and fluidics to enhance surgical precision and comfort.
  • Phaco Assisted Cataract Surgery (PACS) adapts energy delivery in real time to lens density, ensuring consistent phaco tip movement.
  • Dynamic infusion technology compensates for intraocular pressure fluctuations, allowing settings close to physiological levels.
  • The platform supports passive, active, and dynamic infusion modes for versatile intraocular pressure management.
  • Designed with user feedback, the system aims to improve surgeon and operating room team experience by making procedures intuitive and safe.

Clinical Implications

The OS 4 Up platform's adaptive phaco modulation may improve surgical efficiency and precision, particularly in cases with dense lenses. Dynamic infusion helps maintain stable intraocular pressure, potentially reducing intraoperative complications related to pressure fluctuations. These features support safer, more controlled surgeries and may enhance surgeon comfort and confidence during procedures.

Conclusion

The OS 4 Up represents a significant advancement in cataract and vitreoretinal surgery technology by integrating adaptive energy delivery and advanced fluidics. Its user-centered design aims to improve surgical outcomes while enhancing the operative experience.

Related Resources & Content

  1. Oertli Instrumente AG 2024 -- Commercial Launch of OS 4 Up Surgical Platform

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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