The Procedure

There are 2 companies that make HIFU machines for use in Prostate Ablation in USA. - The Ablatherm Machine from EDAP company and The Sonablate from Sonacare Company. The choice of the machine is based on the experience of the surgeon and his personal preference. Both HIFU machines essentially perform the same procedure, but the technologies are different. 

Ablatherm:

(1) The HIFU procedure begins with an ultrasound endo-rectal probe being inserted into the patient.

(2) The physician, using ultrasound and MRI image fusion where needed, will then begin to map out the zones of the prostate gland to be ablated with HIFU energy.

(3) Once the physician has completed the planning, the procedure will start and the HIFU energy will begin to create individual lesions in the prostate.

The steps are as follows:

(1) Image: 3D imaging of the prostate with 7.5MHz transducer.

(2) Plan: Treatment planning (fully adjustable treatment parameters to suit all prostate anatomies).

(3) Treat: Robotic treatment (robotic treatment of the prostate following the treatment plan)

(4) Monitor:Monitoring is an ongoing process throughout the procedure to ensure safety and efficacy.

What is HIFU?

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Sonablate:

(1) The HIFU procedure begins with an ultrasound endo-rectal probe being inserted into the patient.

(2) The physician, using ultrasound and MRI image fusion, will then begin to map out the zones of the prostate gland to be ablated with HIFU energy.

(3) Once the physician has completed the planning, the procedure will start and the HIFU energy will begin to create individual lesions (about the size of a grain of rice) in the prostate.

(4) Movement of the transducer inside the probe housing creates subsequent lesions that are overlapped, thereby creating a large region of ablation that covers the whole zone. The position of the probe is adjusted relative to the rectal wall in order to ablate the second and third zones (as required).