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FIELD EXPERIENCE WITH FIELD EXPERIENCE WITH SAND-CASTING AND WU-SAND-CASTING AND WU-
CASTING SYSTEMS IN CASTING SYSTEMS IN VIETNAMVIETNAM
Nguyen H THANH, VIETCOT, HANOI, Nguyen H THANH, VIETCOT, HANOI, VIETNAMVIETNAM
Assessor Team: Assessor Team: P POETSMA, ICRC, HCMC, VIETNAMP POETSMA, ICRC, HCMC, VIETNAM
J STEEN JENSEN, ISPO INT., DENMARKJ STEEN JENSEN, ISPO INT., DENMARK
FIELD EXPERIENCE IN FIELD EXPERIENCE IN VIETNAMVIETNAM
• SAND- CASTING SYSTEM : 2003 - SAND- CASTING SYSTEM : 2003 - 20042004
• WU- CASTING SYSTEM : 2006 -2007WU- CASTING SYSTEM : 2006 -2007
SAND-CASTING OF SAND-CASTING OF SUPRACONDYLAR SUPRACONDYLAR
SOCKETSSOCKETS
IPOS brim Thin stocking or women sockThin stocking or women sockPressure reliefPressure relief
Pressure reliefPressure reliefPositive sand cast.
Socket test.
TUBULAR ENDO-SKELETAL SYSTEM WITH TUBULAR ENDO-SKELETAL SYSTEM WITH PYRAMID SOCKET ALIGNMENT KIT AND PYRAMID SOCKET ALIGNMENT KIT AND
SACH-FOOT (FUJIAN)SACH-FOOT (FUJIAN)
FROM ENDOLITE ASIA , MALAYSIAFROM ENDOLITE ASIA , MALAYSIA
WU-CASTINGWU-CASTING
CastingCasting Apply pressure areasApply pressure areas Negative castNegative cast
Rectification castRectification cast Positive castPositive cast MouldingMoulding
POLYPROPYLENE TRANS-TIBIAL POLYPROPYLENE TRANS-TIBIAL COMPONENT WITH SACH FOOT (EB-I)COMPONENT WITH SACH FOOT (EB-I)
FROM DANANG CENTRE , FROM DANANG CENTRE , VIETNAMVIETNAM
PATIENTSPATIENTS
• FOLLOW-UP 28/34 FOLLOW-UP 28/34 TRANS-TIB. TRANS-TIB. AMPUTEESAMPUTEES
• AGE AT AMP. 22 y (13-AGE AT AMP. 22 y (13-44); NOW 44 y (20-57)44); NOW 44 y (20-57)
• WAR ORDNANCE 13, WAR ORDNANCE 13, TRAUMA 8TRAUMA 8
• IN WORKIN WORK• NO MOBILITY NO MOBILITY
RESTRICTIONSRESTRICTIONS• FOLLOW-UP AFTER 6 FOLLOW-UP AFTER 6
Mo and 11 MoMo and 11 Mo
• FOLLOW-UP 10/10 FOLLOW-UP 10/10 TRANS-TIB. TRANS-TIB. AMPUTEESAMPUTEES
• AGE AT AMP. 25 y (10-AGE AT AMP. 25 y (10-40); NOW 47 y (15-65)40); NOW 47 y (15-65)
• WAR ORDNANCE 3, WAR ORDNANCE 3, TRAUMA 7TRAUMA 7
• IN WORKIN WORK• NO MOBILITY NO MOBILITY
RESTRICTIONSRESTRICTIONS• FOLLOW-UP AFTER 5 FOLLOW-UP AFTER 5
MoMo
Sand-castingSand-casting Wu-castingWu-casting
CLINICAL QUALITY BENCH CLINICAL QUALITY BENCH MARKS FOR DW-COUNTRIESMARKS FOR DW-COUNTRIES
ISPO RECOMMENDATIONISPO RECOMMENDATION
• Patient CompliancePatient Compliance 95% 95% ++ 5%5%
• Not UsedNot Used 5% 5% ++ 5%5%
• Walks > 1kmWalks > 1km 90% 90% ++ 10% 10%• PainPain 10% 10% ++ 10% 10% • DiscomfortDiscomfort 10% 10% ++ 10% 10%• SatisfiedSatisfied 90% 90% ++ 10% 10%
SAND SAND
CASTINCASTINGG
• 89%89%• 11%11%• 79%79%• 36%36%• 32%32%• 89%89%
WU WU
CASTINCASTINGG
• 100%100%• 0%0%• 80%80%• 10%10%• 10%10%• 80%80%
SOCKET FITSOCKET FIT
Sand-casting Sand-casting Wu-castingWu-casting (3 (2-5) SOX) (3 (2-5) SOX) (1 (1
SOCK)SOCK)
GOOD FITGOOD FIT 19 (68%) 19 (68%) 8 (80%)8 (80%)
WIDE FITWIDE FIT 5 5 00
TIGHT FITTIGHT FIT 4 4 22
Circumference Circumference comparisoncomparison
Patient 08 Patient 07 Patient 02 Patient 06 Patient 01
Sand Wu Sand Wu Sand Wu Sand Wu Sand Wu
Patella tendon 33
32.9 30.5 29 33
32.7 37 35.5 36.5
37.2
(+4cm) 30 30 2928.
5 30.529.
8 33 33.2 33 33
(+4cm) 28 27 26.325.
8 27.526.
5 31 29 31.5 31
(+4cm) 25.5 24 24.824.
2 24.522.
8 29 27.3 30 29
Patient 02 Patient 03 Patient 04 Patient 09 Patient 10
Sand Wu Sand Wu Sand Wu Sand Wu Sand Wu
Patella tendon 32
30.3 34
33.5 33 30 38 36.5 29.5
28.6
(+4cm) 29.829.
4 3231.
4 30.5 28 35.5 35 27.5 27
(+4cm) 2726.
1 29.527.
2 26.5 25 34.5 32.7 25.3 24
(+4cm) 2523.
5 26.524.
6 2423.
5 31 30 24.122.
5
Difference CircumferenceWu < Sand-cast
Median Min Max Students'
TTEST
Patella Tendon 1.3 0.1 3.0 0.001
Patella Tendon + 4 cm 0.5 -0.2 2.5 0.045
Patella Tendon + 8 cm 1.2 0.5 2.3 0.0001
Patella Tendon + 12 cm 1.5 0.5 1.9 0.00002
CONCLUSIONSCONCLUSIONS
• DOES DOES NOTNOT ELIMINATE ELIMINATE INVOLVEMENT OF INVOLVEMENT OF PROFESSIONEL PROSTHETISTPROFESSIONEL PROSTHETIST
• WU-CASTING SYSTEM HAS WU-CASTING SYSTEM HAS GOOD RESULT OF SOCKET GOOD RESULT OF SOCKET FITTING COMPARE WITH SAND-FITTING COMPARE WITH SAND-CASTING SYSTEM.CASTING SYSTEM.
• NEED MORE INVESTIGATION NEED MORE INVESTIGATION ON IT.ON IT.