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Table 1 Summary of experiments performed with the system

From: MR thermometry-guided ultrasound hyperthermia of user-defined regions using the ExAblate prostate ablation array

Experiment

ROT shapes

Near field monitoring

Depth

Acoustic power

Pre-cooling time (min)

Time to target temperature (min)

Time at steady state (min)

1

square

No

60 mm

26.8 W

–

7:44

5:04

elliptical

    

3:24

4:19

diagonal

    

6:59

5:26

triangular

    

6:39

9:34

2

rhombic

Yes

60 mm

20 W

–

6:11

5:29

3

rhombic

Yes

35 mm

20 W

–

2:50

8:18

4

rhombic

Yes

35 mm

20 W

28

2:58

8:13