Hifu Thermal Ablation
Hifu Thermal Ablation - Related Videos
07:16
Thermal Ablation for the Treatment of Abdominal Tumors
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Cited by 19 •
2011
A thermal tumor ablation procedure is described. The entire procedure is detailed, including pretreatment planning and imaging studies, anesthesia, adjuvant techniques to facilitate a percutaneous approach, imaging guidance of the ablation device to the tumor, thermal treatment, post-treatment care and follow-up.
01:20
Laser Interstitial Thermal Therapy for Intracranial Tumor Ablation in a Human Patient
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2025
Begin with an anesthetized human patient with an exposed skull. The patient is diagnosed with an intracranial tumor.Drill into the exposed skull to create a hole, generating an access point.Using stereotactic guidance, insert a laser diffusing fiber or LDF along the predetermined path and secure it in place.Transfer the patient to an MRI scanner and connect the LDF to a laser source.Capture MRI images from multiple angles to visualize the fiber path and the tumor.This confirms the LDF’s...
07:38
Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)
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Cited by 13 •
2015
This article describes real-time monitoring of HIFU ablation in canine liver with high frame rate ultrasound imaging using diverging and plane wave imaging. Harmonic Motion Imaging for Focused Ultrasound is used to image the decrease of acoustic radiation force induced displacement in the ablated region.
09:41
Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
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Cited by 2 •
2016
Development of new ablative materials and their numerical modeling requires extensive experimental investigation. This protocol describes procedures for material response characterization in plasma flows with the core techniques being non-intrusive methods to track the material recession along with the chemistry in the reactive boundary layer by emission spectroscopy.
11:21
Robotic Ablation of Atrial Fibrillation
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Cited by 12 •
2015
Pulmonary vein isolation (PVI) with an ablation catheter is a curative treatment for atrial fibrillation (AF). Robotic catheter systems aim to improve catheter steerability. Here, a procedure with a new robotic catheter system is presented. The goal of the procedure is electrical block between pulmonary vein and left atrium.
FAQs
High-intensity focused ultrasound directs acoustic energy through tissue toward a focal point. At that location, rapid absorption converts the acoustic energy into heat, producing temperatures sufficient for coagulative necrosis. Tissue along the beam path receives less concentrated energy than the focus, so engineering the focal position helps confine the treated region and reduce unintended exposure.
Frequency, acoustic power, exposure duration, and focus position are the principal adjustable factors identified for controlling lesion size. Frequency and power affect how acoustic energy is delivered, exposure duration determines how long heating occurs, and focus position specifies where the energy is concentrated. Engineers balance these variables to obtain a targeted lesion while maintaining treatment precision.
Unlike an approach that requires an incision, HIFU thermal ablation delivers treatment without an incision by directing energy to a selected internal focus. Its engineering challenge is not simply generating high acoustic power, but controlling where heating occurs and how large the resulting lesion becomes. This combination supports less invasive treatment while preserving the need for careful targeting.
A basic workflow begins by positioning the transducer so its focal point aligns with the intended tissue. The system then applies selected acoustic conditions, including frequency, power, and exposure duration, while maintaining the planned focus position. Image guidance supports this targeting process. The resulting localized heating creates a lesion in the selected region, linking equipment setup directly to treatment precision.
The source identifies tumors and other abnormal tissues as treatment targets. In these applications, image-guided delivery helps align the focal region with the intended site. This makes the method relevant to biomedical engineering, where systems are designed to treat selected tissue while limiting exposure along the beam path.
The technique provides a platform for developing safer, more selective therapeutic systems. Biomedical engineers can adjust acoustic power, frequency, exposure duration, and focus position to connect device settings with lesion size and treatment precision. Because the method avoids incisions and can be image-guided, it also illustrates how system design can integrate energy delivery, spatial control, and clinical targeting.