IntraOp® Prelude®

Is an IORT management system for treatment planning and logging of quality assurance procedures with the IntraOp® Mobetron®.

Features at a glance:

  • Treatment planning with fast dose distribution visualization

  • Streamlines the workflow in the operating room parallel to the treatment

  • Energy mixing for an optimal dose at desired treatment depth

  • Patient treatment database for easy analysis

  • DICOM connectivity: import patient data from RIS/PACS and export RTPLAN to OIS

  • Generating pdf reports from treatment plans and QA sessions

  • Save time due to fast planning and reduce human error

Planning Screen with PDD
Planning Screen with isodose

Introducing Prelude®: Smarter Intraoperative Radiation Therapy

Prelude® enhances the efficiency and precision of Intraoperative Radiation Therapy (IORT) by integrating treatment planning and quality assurance tools into one seamless solution.

  • Portable & Flexible Deployment

  • Interactive Treatment Planning Tools
  • Built-in Quality Assurance

Portable & Flexible Deployment

Tablet-Based Mobility
Prelude® runs on a Microsoft Surface Pro tablet with a touchscreen interface—perfect for use in the control room or directly in the operating room.

Desktop Compatibility
Prefer a fixed setup? Prelude® can also be installed on an existing PC in the control room.

Interactive Treatment Planning Tools

Instantly switch between dose distribution visualizations like:

  • PDD (Percentage Depth Dose)

  • Isodose Curves
    Helping oncologists and physicists quickly determine optimal treatment parameters.

Monitor Unit (MU) Calculation
Prelude® automatically calculates MUs for treatment with the Mobetron®, based on the selected parameters.

Plan Approval & Verification
Each treatment plan must be verified and approved by an authorized professional—Prelude® logs all approvals securely in the database.

Detailed Reporting
Generate and export comprehensive treatment reports as printable PDFs.

Built-in Quality Assurance

Custom QA Tool Library
Includes a configurable database of electrometers, dosimeters, and correction factors tailored to your institution’s equipment.

Daily QA Tests
Physicists can perform and record daily QA procedures, with results stored and monitored over time.

QA Reporting
Easily generate QA reports for documentation and audits.

Why Choose Prelude® ?

“Prelude® consolidates essential IORT tasks into one intuitive, portable, and powerful interface—helping your team work smarter, not harder.”

This product bears the CE marking, indicating conformity with applicable EU legislation Prelude®​ is a Class I Medical Device.

This product bears the CE marking, indicating conformity with applicable EU legislation

 Prelude® is a Class I Medical Device.

Indications

Prelude® is a software intended to support the treatment of tumour patients with intraoperative
or external beam electron irradiation applied by the IntraOp® Mobetron® device.

Contraindications

No specific contraindications identified beyond those associated with intraoperative electron beam therapy

Patient population

Intended for patients undergoing intraoperative or external electron beam therapy as determined by the treating physician/health care provider. Local/regional recommendations or guidelines may indicate patients who will benefit from intraoperative or external electron beam therapy more than from other treatment modalities.