Biomedical Engineering Reference
In-Depth Information
90 s
180 s
300 s
90 s
180 s
300 s
48
10
10
10
46
20
20
20
30
30
30
44
40
40
40
42
50
50
50
40
60
60
60
38
70
70
70
10
20
30
10
20
30
10
20
30
mm
mm
mm
(a)
ermocouple positions
td107: TC1 5×5 mm window
td107: TC2 5×5 mm window
48
42
46
41
10
44
40
42
20
39
Measured
Estimated
Measured
Estimated
40
38
X
30
38
37
36
36
X
40
0
200
400
600
800
1,000
0
200
400
600
800
1,000
Time (s)
Time (s)
X
td107: TC4 5×5 mm window
X
50
td107: TC5 5×5 mm window
X
41.5
42
41
41
40.5
40
39.5
39
38.5
38
37.5
60
X
X
40
70
39
10
20
30
Measured
Estimated
Measured
Estimated
mm
38
37
37
3
36.5
36
0
200
400
600
800
1,000
0
200
400
600
800
1,000
2
Time (s)
Time (s)
5
4
1
7
6
(b)
FIGURE 13.14
(a) CBE temperature images during nonuniform heating of turkey breast muscle at 90, 180, and 300 seconds using the fixture
in Figure 13.5. Tissue was surrounded by water at 37°C. At time = 0 seconds 65°C water was pumped through the tissue center (double ring). (b)
Thermocouple readings in planes adjacent to the 3D image set were used to verify CBE temperature estimates. CBE values were within about 1°C
of the thermocouple readings. (From Basu, D.,
3D Temperature Imaging Using Ultrasonic Backscatter Energy During Non-Uniform Tissue Heating,
PhD thesis, Washington University, St. Louis, MO, 2010. With permission.)
