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The image showcases a modern medical device on wheels with a digital display, set against a stylish purple backdrop in a professional setting.
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DORC EVA NEXUS

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  • Performance
  • Control
  • Stability
  • Integration with ZEISS Retina Workflow
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Key benefits of DORC EVA NEXUS combined

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Performance and control with VacuFlow VTi

At the heart of DORC EVA NEXUS is VacuFlow VTi – an advanced fluidics technology powered by Valve Timing Intelligence, delivering precise, pulsation‑free flow or fast, responsive vacuum.

  • Vacuum mode: Fast rise times and exceptional efficiency. Use vacuum mode for efficient vitreous removal, and to easily draw nucleus fragments to the tip.
  • Flow mode: Control the flow to 0.1 ml/min accuracy. Use flow mode for precise aspiration near a mobile retina, and for controlled removal of nucleus fragments.

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Stability with SMART IOP for vitreoretinal and cataract surgery

Unique to DORC EVA NEXUS, SMART IOP automatically compensates for pressure losses and is designed to provide constant intraoperative stability in the anterior and posterior segments. SMART IOP adjusts the irrigation/infusion pressure to maintain a constant IOP during surgery and improved stability during procedures.

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DORC EVA AVETA trocar cannula system

DORC EVA AVETA is a novel trocar cannula designed to improve control, performance and usability. It is the first system to feature the patent-pending Push-Fit infusion connection, plus a unique laser-etched retention feature. Benefits to surgeons and patients also include improved flow rates, smaller working size and more stable intra-operative IOP.

Completely redesigned cannula

Designed for enhanced surgical control, the cannula combines an MVR blade and chamfered leading edge for smooth insertion and optimized wound closure, with a laser-etched design for improved scleral retention.

HI-FLOW infusion line with innovative Push-Fit1 connection

Provides a secure, stable connection during surgery, eliminates the need for valve removal by fitting directly over the trocar cannula, maximizes flow rates across all gauges, and enables easy switching of infusion ports.

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DORC TDC VELOCE

The next-generation high-speed cutter

The future of vitrectomy is at hand with DORC TDC VELOCE, the next-generation high-speed cutter for DORC EVA NEXUS that enables SMART IOP. DORC TDC VELOCE unites performance, stability, control, and a new ergonomic design with increased shaft stiffness for ease of reaching the periphery and shaving the vitreous base.

DORC TDC VELOCE was developed in collaboration with Prof. Dr. med. Mitrofanis Pavlidis, Germany.

  • Improved aspiration flow

    DORC TDC VELOCE provides improved aspiration flow rates compared to the TDC cutter: +14 % for 25G and +31 % for 27G, resulting in reduced vitrectomy time.3

  • Increased stiffness

    For ease of reaching the periphery and shaving the vitreous base, stiffness of the shaft had been increased for all gauges (23G, 25G and 27G).

  • Cut speed up to 20.000 CPM2

    The increased cut rate reduces tissue traction, while the TDC dual cutter design, perfectly complemented by VacuFlow VTi fluidics, makes vitrectomy more efficient.

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LED endoillumination

DORC EVA NEXUS features a 3-port tunable system with yellow tinting for increased safe exposure times.

  • Adjustable blended yellow light
  • Increased safety profile for extended or complicated cases
  • Optimal 8 lumen output for 27G surgery

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DORC EVA INICIO

Designed to offer precise delivery of microinjections (pressure delivery of ±1 PSI), with full surgeon control via footswitch.

 

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Wireless dual linear footswitch

Customizable, programmable dual linear footswitch with independent control of aspiration and phaco power/cutting, with integrated laser control.

Close-up of DORC EVA NEXUS control panel with a blue fluid-management cassette, color-coded connectors, tubing, and an emergency stop button.

Universal cartridge and dual infusion and irrigation lines

  • An efficient, universal cartridge for vitrectomy or cataract procedures
  • Quick switching between anterior and posterior steps for on-demand dynamic response.

 

A wide range of combined, vitrectomy and custom packs for DORC EVA NEXUS

A clear plastic tray containing various medical components, including colored connectors, tubing, and a blue base with molded sections for each item.
A neatly arranged medical kit containing various components including tubing, syringes, and sterile packaging, all designed for surgical use.
A clear plastic container filled with various medical accessories including colored buttons, tubing, and blue surgical goggles, designed for use in medical procedures.

Workflow integration

As part of the ZEISS Retina and Cataract workflows, DORC EVA NEXUS integrates across the broader ZEISS portfolio, connecting instruments, surgical dyes and IOLs within one consistent and coordinated surgical workflow.

  • A smiling man with a beard and short hair, wearing a collared shirt, is depicted against a plain white background.

    For combined surgery, DORC EVA NEXUS marks a landmark in efficiency and performance.

    MitroFanis Pavlidis, MD, PhD Germany
  • A professional portrait of a smiling man in a suit against a plain white background.

    For combined surgery the independent irrigation and infusion lines enable a new dimension of control of the anterior and posterior chamber.

    Peter Stalmans, MD, PhD Belgium
  • A smiling medical professional in a lab coat is shown against a plain background.

    It’s a major advance in both retina and cataract surgery. DORC EVA NEXUS is ready to meet the needs of phacovitrectomy surgeons – both today and for the future.

    Peter Szurman, MD, PhD Germany
  • A professional portrait of a doctor in a white coat, smiling confidently in a medical setting.

    This system is very efficient with the combination of the AVETA trocar cannula system, which maximises flow rates thanks to an uninterrupted flow path between the infusion line and the trocar cannula.

    Remzi Avci, MD, PhD Turkey
  • A medical professional wearing a surgical cap and scrubs is smiling in a clinical setting.

    EVA NEXUS is a remarkable product, I am impressed and inspired by its capabilities. The precision and accuracy of EVA INICIO microinjection system instil confidence in surgeons.

    Koorosh Faridpooya, MD The Netherlands
  • A professional portrait of a man with a bald head and a slight smile, wearing a suit and tie.

    The reliability and degree of customization provides tangible advancement when approaching both routine and complex vitreoretinal procedures.

    David RP Almeida, MD, PhD USA

Surgical videos

  • Close-up view of the TDC VELOCE device showcasing an illuminated ocular surface, with branding for ZEISS Meditec prominently displayed.

    DORC TDC VELOCE cutter
  • Close-up view of an eye during a vitrectomy procedure, showcasing the intricate details of the retina and surrounding blood vessels.

    25G DORC TDC VELOCE: Stability
  • An intraoperative image depicting a surgical procedure within the eye, showcasing various parameters such as vitrectomy settings and infusion rates.

    27G DORC TDC VELOCE: Efficiency
  • Close-up view of a surgical procedure highlighting the vitrectomy process, with labeled parameters such as speed and infusion settings, viewed through a surgical microscope.

    27G DORC TDC VELOCE: Precision
  • An intraoperative image showing detailed ophthalmic surgery with a focus on the eye, surgical instruments, and equipment.

    DORC EVA INICIO Microinjection
  • Close-up view of an eye during a medical procedure, featuring a lens centered in the cornea and surgical tools positioned around it.

    DORC EVA AVETA 25G Trocar Cannula
  • Video courtesy of Mitrofanis Pavlidis, Germany

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    Video courtesy of Mitrofanis Pavlidis, Germany
    DORC TDC VELOCE cutter

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    Video courtesy of Fabio Patelli, Italy
    25G DORC TDC VELOCE: Stability

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    Video courtesy of Fabio Patelli, Italy
    27G DORC TDC VELOCE: Efficiency

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    Video courtesy of Fabio Patelli, Italy
    27G DORC TDC VELOCE: Precision

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    Video courtesy of Peter Stalmans, Belgium
    DORC EVA INICIO Microinjection

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    Video courtesy of Shunji Kusaka, Japan
    DORC EVA AVETA 25G Trocar Cannula

Downloads

    • Preview image of DORC TDC VELOCE Testimonial Onepager with Dr. MD Koorosh Faridpooya EN

      DORC TDC VELOCE Testimonial Onepager with Dr. MD Koorosh Faridpooya EN

      945 KB
      Download
    • Preview image of Case of the month | A Journey Toward Efficient and Controlled 27-Gauge Vitrectomy DORC TDC VELOCE EN

      Case of the month | A Journey Toward Efficient and Controlled 27-Gauge Vitrectomy DORC TDC VELOCE EN

      1 MB
      Download

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  • 1

    Patent pending
  • 2

    The DORC EVA NEXUS output can be controlled up to a maximum frequency of 10.000 cycles per minute. The maximum cutting speed of the pneumatic high speed vitrectome is effectively doubled to 20K CPM when a two-dimensional cutting vitrectome, like DORC TDC VELOCE is used.
  • 3

    Pavlidis M, Steel DH, Oh H. Comparative Flow and Operating Efficiency of TDC VELOCE 27-Gauge Vitrectome. Retina. 2026;46(8):1457-1464. DOI: https://doi.org/10.1097/IAE.0000000000004870.PMID: 42047629.