IRPrep — Mobile Ablation Planning for IR

What it does

IRPrep is a mobile-native ablation planning tool that puts real-time planning in your pocket. Capture CT images directly from your PACS screen, outline the lesion, enter measurements, and get an instant probe plan with coverage analysis — all from your phone, in under a minute.

The problem it solves

Ablation planning today is fragmented. Operators eyeball the CT, estimate margins in their heads, and mentally map probe trajectories while scrubbed at the table. Planning software exists, but it’s locked to workstations, requires DICOM imports, and takes longer than the mental math it replaces.

For a 3.5cm renal mass that needs three probes with 5mm margins, the difference between a well-placed and a poorly-placed probe array is the difference between complete ablation and a positive margin on follow-up imaging.

Core workflow

• Capture — Point your phone at PACS and record as you scroll. Auto-captures frames with change detection.
• Select — Pick the slices that matter from a thumbnail grid.
• Draw — Outline the lesion with touch drawing. Pinch-to-zoom for precision.
• Measure — Enter AP, transverse, and CC diameters. Volume and probe count calculated automatically.
• Plan — Draw approach windows (safe entry corridors) and probe trajectories. Validates spacing and parallelism.
• Analyze — Toggle coverage heat map. Margin analysis reports thinnest margin in mm.

Key features

• Supports all major ablation platforms: Emprint, NeuWave, Solero, ICE3, Visual-ICE, Cool-tip, plus custom
• Probe count estimation with oblique angulation compensation
• Real-time coverage heat map with additive blending
• Margin analysis flags percentage of lesion border outside coverage
• Built-in procedure timers for cryo, microwave, and RFA protocols
• Annotated PNG export for documentation
• Works offline after first load (PWA)

Who it’s for

• Interventional radiologists performing percutaneous ablation
• Surgical oncologists who perform laparoscopic or open ablation
• IR fellows learning ablation planning
• Device reps supporting cases

Why it matters

• Coverage confidence — The heat map and margin analysis catch thin margins that mental math misses.
• Documentation — Annotated image export creates an instant visual record of your plan.
• Accessibility — Runs on any device with a camera and a browser. Reading room, CT scanner, or at home.

Technical notes

IRPrep runs entirely in the browser as a progressive web app served from Cloudflare’s edge network. Images stay on your device and are never uploaded unless you use optional AI segmentation. Dark UI optimized for reading room and procedure suite lighting.

Privacy / data handling

Images stay on your device. No patient data is transmitted or stored. Do not enter patient identifiers.