Skip to content
Librevet

‹ Knowledge base

Getting started

Librevet Ortho is a veterinary radiograph viewer and orthopaedic surgical planning tool. It supports TPLO planning, fracture repair planning, implant templating at true scale, and standard radiographic measurement.

What does Librevet Ortho do?

  • View and annotate digital radiographs
  • Calibrate using a known-size reference (typically a radiopaque sphere)
  • Measure distances, angles, TPA, CORA and Norberg angles
  • Overlay implant templates drawn to true millimetre dimensions
  • Plan straight, wedge and crescentic osteotomies, and reposition bone
  • Send a case to a referring vet as a read-only link, or name a colleague who can work on it with you
  • Ask a board-certified specialist for a paid remote opinion

Who is it for?

Small animal surgeons and clinicians doing orthopaedic surgical planning. The app assumes clinical knowledge — it doesn’t teach you when to perform a TPLO, just helps you plan one accurately.

What do I do first?

  1. Start from an image. From the gallery, click New Case and drop in a radiograph, a zipped study, or a clinical video — or pull a study straight off your PACS. There is no empty case: every case begins with imaging.
  2. Name it. DICOM files are read by the app directly — you don’t have to export a JPEG first — and JPEG, PNG and a zipped study all work too. Name the case once the first image is in, and organise into folders whenever you like.
  3. Calibrate. Most other tools won’t unlock until you’ve set a real-world scale. See Calibrating radiographs.
  4. Measure or plan. Once calibrated, the sidebar sections (Calibration, Measurement, Osteotomy, Reposition, Annotation) and the Implants tab become active.

What is on the screen?

  • Left sidebar — two tabs: Tools (the five planning sections) and Implants (the template library). A third, Chart, appears only on dental films.
  • Centre canvas — the radiograph workspace. Each open view carries its own toolbar for rotating, mirroring, windowing and inverting the film.
  • Top bar — undo/redo, attachments, sharing, view settings
  • Bottom-left of the films — the swap panel, when a placed implant is selected: its name, swap controls, and delete. Drag it by its header, or put it in the sidebar’s Implants tab instead
  • Bottom-right — help, bug reports, feature requests

Key concepts

  • Calibration is per-radiograph. Each image needs its own scale set, because every exposure has different magnification.
  • The “active” radiograph has a cyan border. With multiple views open, tools act only on the active one — click a panel to make it active.
  • Templates are drawn to true mm dimensions. A 3.5 mm plate is drawn at 3.5 mm against the scale you calibrated — so the fit you see is only as good as that calibration.
  • Placed implants are anchored to the bone, not to the screen. If you later rotate the radiograph to view from a different angle, the implant rotates with it.