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Discover the
OS 4 Up.

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Great surgery starts
with the right feeling

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enjoy
flow

enjoy
comfort

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The OS 4 Up

enjoy
flow
from start to finish
enjoy
comfort
in your every move
enjoy
freedom
while operating on your terms
enjoy
guidance
whenever you want it
enjoy
control
your skills. enhanced.
enjoy
power
to unleash what’s possible
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New Features of the OS 4 Up

Smooth access. Powerful performance.

The sharp, lance-shaped blade of the Caliburn Trocar System delivers high cutting force and forms the foundation for smooth entry. In combination with the bevelled design of the trocar cannula, it enables a consistent insertion with up to 43 % less penetration force.

The Continuous Flow Cutter ensures continuous aspiration thanks to its permanently open port,
resulting in reduced traction on the retina compared to cutters with a conventional guillotine mechanism. The combination of our sophisticated fluidics system, continuous aspiration, and up to 15,000 cpm delivers powerful performance in the OR. A 61 % increase in aspiration flow at 23G significantly accelerates vitreous removal, while the enhanced stiffness improves the cutter’s stability. *
Detail view of the trocar system

New Caliburn Trocar System

Smooth trocar placement with high cutting force.

  • High cutting force into the sclera thanks to the sharp, lance-shaped blade *
  • Bevelled cannula design for up to 43% less penetration force ¹
  • Tactile markings on the handle for instant orientation of the knife and bevelled cannula
  • New packaging and product design reduces waste per trocar set by 30% ²

* Oertli data on file
¹ Compared to the previous Caliburn Trocar System
² Compared to the previous Caliburn Trocar Set

 A surgeon holding a cutter instrument

New Continuous Flow Cutter


Contant flow. Stability when it matters.

  • The significantly increased aspiration flow of 61 % at 23G enables faster vitreous removal ³
  • The 81 % increase in stiffness at 27G significantly improves stability ³
  • Delivers powerful performance through the interplay of up to 15,000 cpm, continuous aspiration, and our sophisticated fluidics system.

* Oertli data on file
³ Compared to the previous Continuous Flow Cutter

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Follow the rise
of the OS 4 Up