Sonalleve MR-HIFU is a medical system developed by Philips Healthcare for the treatment of uterine fibroids without surgery. The system uses non-invasive high-intensity focused ultrasonography (HIFU) guided by magnetic resonance (MR), from which the MR-HIFU acronym. This procedure involves volumetric heating of fibroids with real-time feedback. In June 2017, Philips and Deep Medical announced an agreement to transfer Philips MR-HIFU business, which includes the Sonelleve system, to Deep Medical.
Video Sonalleve MR-HIFU
Ikhtisar teknologi
Sonalleve high frequency focused ultrasound uses a special transducer to focus ultrasound waves of light onto the fibroids located within the body. The focused ultrasonic wave produces high temperatures in a smaller area. The temperature when maintained for a sufficient period of time produces fibroid ablation. The therapeutic procedure guided by Magnetic Resonance Imaging (MRI) with real time feedback helps in focus ablation of the target location. Real-time feedback loops ensure that adequate heating takes place, treating every targeted network bit and volumetric ablation (Philips's technology) helps to treat larger volumes efficiently and quickly.
Maps Sonalleve MR-HIFU
Device approval
Sonalleve is approved for treating uterine fibroids in Europe, mostly of Asia, the Middle East and South America. Philips has received CE Marking for its Sonalleve MR-HIFU system. Equivalent to the US Food and Drug Administration (FDA) approval, CE Marking is recognized by countries in the European, Asian, South American and African Economic Zones and signifies that a product complies with the essential requirements of relevant health, safety and environmental protection invite.
The company has also filed FDA approval for the system. The process for clinical trials and studies is already under way. It is also approved for the treatment of bone metastasis and is undergoing development for the treatment of prostate cancer and breast cancer.
Treatment procedure
This method is faster and more convenient than conventional procedures currently performed for the treatment of uterine fibroids such as hysterectomy, myomectomy or uterine artery embolization. This procedure is usually done on an outpatient basis with patients leaving the hospital on the same day. Patients may be kept for 24 hours observation.
This procedure is performed in three stages:
Planning stage
The patients were evaluated using a three dimensional MR imaging that was used to determine whether the patient was eligible for treatment. If the patient meets the criteria for treatment, the condition is evaluated and the time of care is planned accordingly. The patient arrives at the prescribed time and is placed in a prone position on the MRI table. The device is positioned correctly so as to achieve acoustic clutch and maintenance area marked using MR image. The patient may also be given IV fluids or a conscious sedative. Test delivery from non-lethal ultrasonic waves can also be focused to ensure accuracy.
Non-invasive care stage
High intensity ultrasonic waves are focused on fibroids that increase the temperature and cause the tissue to thicken. This process is performed in several sonication with amount and duration depending on the size and level of fibroids. This process will be closely monitored and controlled by MR imaging and feedback to ensure the accuracy and effectiveness of the treatment. If there is discomfort, the patient can stop the process through the hand held device button.
Therapy verification stage
At the end of treatment, enhanced MR contrast is used to assess the effectiveness of the procedure. These images are used to determine the Non-Perfused Volume (NPV) of the fibroids, which is the volume of tissue that can not live (has no blood flow to it).
Maintenance settings
The Sonalleve MR-HIFU system uses Philips Achieva 1.5T, 3.0T MR, 3.0T TX or Philips Ingenia 1.5T, 3.0T platforms and comprises the following linked subsystems:
- Achieva MR System for monitoring procedures and providing real-time images
- MR-HIFU patient table with integrated MR integrated staged array transducers with mechanical and electronic positions
- MR-HIFU therapy console to plan care, calculate real-time temperature maps, and control HIFU delivery
- HIFU electronics for ultrasonic power (energy) and file positioning
Benefits of care
For doctors it offers easy planning, maintenance with real-time feedback and solutions for those who would otherwise refuse surgical treatment. For patients, it offers a non-invasive alternative treatment mechanism that does not involve anesthesia and short recovery time.
Location
The system was originally installed in about 16 locations in the US, Europe, and Asia for research purposes. Philips has installed approximately 50 Sonalleve MR-HIFU systems worldwide with most systems in Asia and Europe.
India has seven systems installed in five cities. Apollo Hospital has a setup that is installed in three facilities of Chennai, Bangalore and New Delhi. This treatment is also available at Clumax Diagnostics, Bangalore, Bharat Scans, Chennai, Jankharia Imaging SRL, Mumbai and Sunrise Hospital, Kochi.
See also
- Ultrasound focuses with high intensity
- Philips
- Hysterectomy
- Myomektomi
References
External links
- Sonalleve MR-HIFU official page
- Philips Healthcare
Source of the article : Wikipedia
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