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What Is an Intraoperative Ultrasound Probe?

An intraoperative ultrasound probe is an ultrasound transducer used during surgery to create real-time images inside the body. It sends sound waves into tissue and receives echoes that are converted into images. The probe may be placed directly on organs, surgical surfaces, or through laparoscopic access depending on the procedure. It helps surgeons see structures that may not be visible from the surface.

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What Is an Intraoperative Ultrasound Probe?

An intraoperative ultrasound probe is an ultrasound transducer used during surgery to create real-time images inside the body. It sends sound waves into tissue and receives echoes that are converted into images. The probe may be placed directly on organs, surgical surfaces, or through laparoscopic access depending on the procedure. It helps surgeons see structures that may not be visible from the surface.

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What Is an Intraoperative Ultrasound Probe Used For?

An intraoperative ultrasound probe is used to help locate, characterize, or guide treatment during surgery. It may be used in liver surgery, brain surgery, pancreatic surgery, kidney surgery, vascular surgery, breast surgery, and other procedures. The probe can help identify tumors, blood vessels, ducts, margins, fluid collections, or hidden lesions. It may also guide biopsy, ablation, resection, or drainage.

How an Intraoperative Ultrasound Probe Works

The probe sends high-frequency sound waves into the tissue. Echoes return from tissue boundaries, vessels, lesions, or other structures. The ultrasound system processes the echoes into real-time images on a monitor. Sterile gel, saline, or a sterile cover may be used to maintain contact and protect the surgical field.

Types of Intraoperative Ultrasound Probes

Intraoperative probes can be linear, curved, sector, laparoscopic, endocavity, hockey-stick, or specialty-shaped. Some are designed for open surgery, while others fit through laparoscopic ports. Doppler-capable probes can help assess blood flow. The selected probe depends on the anatomy, depth, surgical approach, and imaging goal.

Safety and Sterile Use

Intraoperative ultrasound probes must be cleaned, disinfected, sterilized, or covered according to their design and facility policy. Poor reprocessing or damaged probe covers can increase infection risk. Image quality can be affected by air, poor contact, bleeding, calcification, obesity, surgical instruments, or limited access. Unexpected imaging findings may change the surgical plan and require careful clinical judgment.

FAQs About Intraoperative Ultrasound Probes

Is intraoperative ultrasound done during surgery?

Yes. It is performed during an operation to provide real-time imaging for the surgical team.

Does an intraoperative ultrasound probe use radiation?

No. Ultrasound uses sound waves, not ionizing radiation.

Can intraoperative ultrasound find hidden tumors?

It can help identify lesions that are difficult to see or feel during surgery, but accuracy depends on the tissue, probe, and operator skill.

Does the probe need to be sterile?

Yes. Probes used in the surgical field need sterile handling, approved covers, or reprocessing according to device instructions and facility policy.

References

Diagnostic and procedural intraoperative ultrasound. Abdominal Radiology (PMC). https://pmc.ncbi.nlm.nih.gov/articles/PMC8506184/. Date Accessed June 18, 2026.

The role of intraoperative ultrasonography in the diagnosis and management of focal hepatic lesions. Ultrasonography (PMC). https://pmc.ncbi.nlm.nih.gov/articles/PMC4603208/. Date Accessed June 18, 2026.

Real-time intraoperative ultrasound in brain surgery. Acta Neurochirurgica (PMC). https://pmc.ncbi.nlm.nih.gov/articles/PMC6462565/. Date Accessed June 18, 2026.

Guidelines for Reprocessing Ultrasound Transducers. PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC8409821/. Date Accessed June 18, 2026.

Disinfection of Healthcare Equipment. Centers for Disease Control and Prevention. https://www.cdc.gov/infection-control/hcp/disinfection-sterilization/healthcare-equipment.html. Date Accessed June 18, 2026.