Eye Surgery with Valve Technology

DCS qube 400

February 19, 2019

State-of-the-art pneumatic technology is not just for industry. It plays a much wider role improving our lives. For example, advances in cataract surgery are getting an assist from Festo piezo, proportional and fast-switching valves performing critical functions in state-of-the-art surgical workstations like the QUBE and QUBE Pro from Germany’s BYTEC.

These workstations are the technical assistants of choice for many eye surgeons performing cataract and retina surgery. Their pneumatic control unit consists of solenoid and piezo valves that drive cutting tools, vacuum-assisted suction removal and delivery of liquids. Piezo technology like Festo’s VEAB valve regulates the pressure in the system with unerring accuracy while fast-switching valves increase the cutting rates for precise incisions and suctioning.Festo PPS valve eye 400

During cataract surgery, the opacified lens is broken up by an ultrasound probe. A high-precision suction/rinsing device, which is actuated by proportional valve MPYE from Festo, removes the lens fragments. The required infusion pressure is controlled by a VEAB valve. After the residual tissue has been rinsed and removed, the surgeon inserts the new artificial, clear lens. High-precision pressure regulation is also used during surgery on the anterior segment of the eye (vitrectomy).

Piezo valves like VEAB offer several notable benefits: They are lightweight, quiet and accurate with minimal heat generation and are practically wear-free. Even so, in these surgical work stations, redundant valves are included for each valve function to ensure the highest level of safety.

Related Articles



Editor’s Pick: Featured Article

Weidmüller’s u-control 2000: The Automation Controller

Weidmüller’s u-control 2000: The Automation Controller

Weidmüller’s scalable engineering software, u-control 2000, adapts individually to your requirements. And, the u-control is powerful, compact and fully compatible with Weidmüller’s I/O system u-remote. This article looks at what makes u-control the heart of your automation.

Programmable logic controllers (PLCs) are one of the main components of any automated system. A typical control system has inputs, outputs, controllers (i.e., PLCs), and some type of human interaction with the system, a human machine interface (HMI), for example.

Read More



Latest Articles

  • Ensure Food Safety With Clean Compressed Air

    June 11, 2024 Current Good Manufacturing Practices (cGMP), which fall under the Food Safety Modernization Act (FSMA), stipulate the cleanability and cross-contamination standards that food processing plants must follow, ensuring food is safe for consumption. One easy way to meet cGMP and FSMA guidelines is to upgrade your pneumatic systems with proper air filtration systems…. Read More…

  • SmartD Challenges the Status Quo of Motor Control with Clean Power VFDs

    June 11, 2024 By Krystie Johnston SmartD’s Clean Power variable frequency drive is the next generation of motor control products. Using revolutionary power electronics and modulation algorithms, it maximizes energy efficiency and produces a clean sine wave. SmartD technologies is a Canadian startup that has developed what they say is one of the world’s first… Read More…