Intraoperative navigation tracks surgical instruments and displays their position on the patient’s scan while the operation is under way. It works rather like a map reference, confirming where a tip lies in relation to structures that cannot be seen directly.
Intraoperative navigation links the patient’s scan to their actual position on the operating table. Reference markers are attached, the system is registered against known landmarks, and a tracked instrument then shows on screen where its tip sits within the anatomy. The surgeon uses it to confirm position near structures that are hidden, while still relying on what the tissues themselves show.
Some parts of the face and skull are difficult to see into. The back of the orbit, the skull base and areas scarred by earlier surgery all hide important structures behind bone and tissue. Navigation offers a way of checking position in these places without opening more than the operation requires.
Setting it up takes a little time at the start. The patient’s scan is loaded, a reference frame is fixed to the head, and the system is registered by touching known landmarks or by matching the surface of the face. Accuracy is then verified on recognisable points before any use is made of it. Once registered, a tracked pointer or instrument appears on the screen as a marker moving through the scan images as the surgeon moves it in the wound.
Its honest limitation is that the scan is a photograph of a moment. Bone stays where it was, but soft tissue shifts once retractors are placed and tissue is removed, so the display becomes less reliable for soft structures as the operation goes on. Navigation confirms and reassures. It does not see, and the surgeon continues to work from direct inspection and anatomical knowledge.
Navigation earns its place where anatomy is hidden or distorted and where an error of a few millimetres would matter. Elsewhere it adds setup time without changing the operation.
A recent CT scan, and sometimes an MRI, is loaded into the system before surgery. The quality and the age of this imaging set the ceiling on how useful navigation will be.
A reference marker is fixed to the head so the system knows the patient’s position. If this frame moves during the procedure, registration has to be repeated.
Known landmarks are touched with a pointer, or the surface of the face is matched to the scan. The system then aligns the images with the patient on the table.
The surgeon touches recognisable points and compares them with the display. Navigation is only trusted once this check agrees with the anatomy in front of them.
A tracked instrument shows its tip position on the screen when the surgeon chooses to check. The display is read alongside direct inspection, not instead of it.
Imaging is arranged in the format the navigation system requires. No preparation beyond the scan itself is needed from the patient.
Setup and registration add a period at the start of the operation. Recovery afterwards is that of the procedure performed, not of the navigation.
Wound care, activity limits and review appointments follow the reconstruction. Navigation plays no part in this stage.
A follow up scan is sometimes compared with the plan to confirm that implants or bone segments sit as intended.
Navigation adds confidence in difficult anatomy and can make a demanding step more straightforward. It does not by itself change how well a reconstruction heals or how it eventually looks. Accuracy depends on registration and on the reference frame staying still, and it drifts for soft tissue as the operation progresses. Used sensibly, it is a helpful cross check. Treated as an authority in its own right, it can mislead.
Navigation carries little direct risk to the patient, but its limitations matter and are worth understanding.
Navigation leaves nothing behind, so aftercare is entirely that of the operation it supported, including any site tissue or bone was taken from.
The system only tracks and displays position. Nothing moves an instrument except the surgeon, who decides when the display is worth consulting.
Accuracy depends on registration and on the reference frame staying still. When the display and direct inspection disagree, the anatomy in front of the surgeon takes precedence.
It helps in specific, difficult moments. The judgement, the exposure and the reconstruction itself remain as demanding as they ever were.
In areas the surgeon can see and feel directly it adds setup time without benefit. It is chosen for hidden or distorted anatomy.
Elegance Clinic in Surat uses navigation for the situations where hidden anatomy makes it genuinely valuable. Dr. Ashutosh Shah explains what it will and will not contribute to the operation before treatment is agreed.
Technique pages do not carry their own price, because the cost depends on the treatment the technique is used within. Where navigation is used, its cost is included in the estimate for the operation it supports rather than charged separately. Please see the relevant treatment page for its band, and ask for a written estimate at consultation.
These are the questions that come up most often in consultation. If yours is not here, send it on WhatsApp and the team will reply, usually the same day.
Ask your question →Where it is used, its cost sits inside the estimate for the operation rather than as a separate line. Ask at consultation whether navigation is planned for your procedure and what difference it makes to the overall figure.
It adds no incision and involves no extra exposure during the operation. The main considerations are the setup time it adds to the anaesthetic and the imaging needed beforehand, which carries some radiation exposure.
Registration and verification take a period at the start. In difficult anatomy this can be offset by time saved later. Your surgical team will weigh the trade before deciding to use it.
Yes. Accuracy depends on how carefully the system is registered and on the reference frame staying still. Verification checks are done throughout, and where the display and the anatomy disagree, direct inspection is trusted.
Not directly. It helps the surgeon work safely and confirm positions in hidden areas. Appearance depends on the reconstruction itself, on soft tissue and on healing over the following months.
No. In areas the surgeon can see and feel, it adds setup time without benefit. It is reserved for deep orbital work, skull base surgery and anatomy distorted by previous operations or injury.
Usually a recent fine cut CT scan in a format the system can use, and sometimes an MRI as well. Bring any existing scans on disc, since suitable recent imaging may avoid repeating them.
Seeing patients from across the city and beyond: read about the practice on the plastic surgeon in Surat page, or check what a written estimate covers on the costs and insurance page.