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ICSAD: Imperial College Surgical Assessment Device
Objective assessment of surgical dexterity
Dept of Surgical Oncology and Technology, Imperial College of Science Technology and Medicine, London, UK
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ICSAD
Department of Surgical Oncology and Technology
Imperial College, London
• Commercially available motion tracking system (Isotrak II, Polhemus, USA)
• Signal generator (A) and two sensors (B) on the surgeon’s hands
A
B
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Bespoke software:
‘Track 3D’- retrieves Cartesian positional data-x,y and z co-ordinates
‘Track’- positional data to dexterity measures Path length- economy of movement
Number of movements
Time taken
Speed
Department of Surgical Oncology and Technology
Imperial College, London
ICSAD
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Department of Surgical Oncology and Technology
Imperial College, London
Validation of ICSAD-Lap suturing
8973N =
Groups
4321
Pa
th le
ng
th (
cm)
20000
10000
0
-10000
P= 0.009
1-experts
2- skilled
3- lap skills, knowledge
4- no lap skills, knowledge
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Department of Surgical Oncology and Technology
Imperial College, London
Validation of ICSAD
N =
EXPERIENCE CODE
EDCBA
MO
VE
ME
NT
S B
OW
EL
3000
2000
1000
0 11111212N =
EXPERIENCE CODE
CONSULTANTSEN SPRJUN SPRSHO
NO
OF
MO
VE
ME
NT
S
3000
2000
1000
0
124
17
34
13
25
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Department of Surgical Oncology and Technology
Imperial College, London
Correlation of motion analysis with qualitative assessment- OSATS
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Department of Surgical Oncology and Technology
Imperial College, London
For small bowel anastomosis
N =
EXPERIENCE CODE
EDCBA
MO
VE
ME
NT
S B
OW
EL
3000
2000
1000
0 11111212N =
EXPERIENCE CODE
CONSULTANTSEN SPRJUN SPRSHO
NO
OF
MO
VE
ME
NT
S
3000
2000
1000
0
124
17
34
13
25
11111212N =
EXPERIENCE CODE
CONSULTANTSEN SPRJUN SPRSHO
GLO
BA
L S
CO
RE
40
30
20
10
18
38
20
19
Spearman correlation= -0.71, p<0.001
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Department of Surgical Oncology and Technology
Imperial College, London
Correlation of motion analysis with qualitative assessment- Laparoscopic suturing
8973N =
Groups
4321
Pa
th le
ng
th (
cm)
20000
10000
0
-10000
8973N =
4.003.002.001.00
25
po
int
che
ck-l
ist
30
20
10
0
Spearman’s co-efficient: - 0.70, p<0.001
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Department of Surgical Oncology and Technology
Imperial College, London
ICSAD- Training
Motion data of experts- standard for trainees
Provide objective feedback
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Department of Surgical Oncology and Technology
Imperial College, London
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Department of Surgical Oncology and Technology
Imperial College, London
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Department of Surgical Oncology and Technology
Imperial College, London
ROVIMAS (Robotic Video Motion Analysis Software):
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Department of Surgical Oncology and Technology
Imperial College, London
ACKNOWLEDGEMENTS
N Taffinder, A Wan, S Smith, J Torkington, T Brown, V Datta, S Bann, J Shah, S Mackay, Y Munz, A Dosis, A Chang, C Sutton, Prof Guang Zhong Yang, Dr. D. Gillies, Dr. F. Bello, Professor A Darzi