Philips 3T Achieva
Visual Cortex
fMRI brain scan BOLD
MONK
RF signal
audiotone
juicecontroller
juicedispenser
solenoidEMG neuron
APfMRI BOLD
visualtask
IRcamera
CPUCortex/LabView
monitor
• Non-human primate of choice:
• anatomical & physiological likeness
• ease of maintaining & breeding in captivity
• No harm / minimize discomfort
• IACUC (Institutional Animal Care and Use Committee)
• IRB (Institutional Review Board) approval • Ethics Research Training (exam #1102055)
Wim Vanduffel (2001)
Mark Pinsk (2004)
Crist Instruments (current)
Improvements: mechanical design, materials selection, audio reinforcement, component
integration
General Property ASTM Test Typical Value
Specific Gravity D792 1.2
Tensile Strength Yield D638 8,900 - 9,000
Tensile Modulus D638 340,000
Izod Impact - Notched D256 12-16
Hardness - Rockwell D785 M70
Deflection Temp @ 264psi D648 270
Deflection Temp @ 66 psi D648 280
Co. Thermal Expansion D696 3.7X10-5
General Property ASTM Test Typical Value
Specific Gravity D792 1.19
Tensile Strength Yield D638 10,000
Tensile Modulus D638 400,000
Izod Impact - Notched D256 0.4
Hardness - Rockwell D785 M94
Deflection Temp @ 264psi D648 210
Deflection Temp @ 66 psi D648 239
Co. Thermal Expansion D696 3.4X10-5
Polycarbonate material properties
Acrylic material properties
Max. Available Diameter Polycarbonate AcrylicApplied Plastics Co 8” 8”Industrial Plastic Supply, Inc 4” 24”Inplex LLC 3.5” n/aMcMaster-Carr** 8” (± .04) 18” (± .08)Modern Plastics 8” (± .03) 6”Scandia Plastics Inc 8” n/aUS Plastics 4” 12”
Tubing Availability
**preferred company
ACRYLIC TUBE
outside diameter: 15”16” 18”
Length 24"Length Tolerance +.25"Inside Diameter 14-3/4"Outside Diameter 15"Outside Diameter Tolerance ±.08"Wall Thickness .125"Wall Thickness Tolerance ±.02"Acrylic Material Cast AcrylicPart No. 84865K317
Cost: $311.42
Length 24"Length Tolerance +.25"Inside Diameter 15-1/2"Outside Diameter 16"Outside Diameter Tolerance ±.08"Wall Thickness .25"Wall Thickness Tolerance ±.025"Acrylic Material Cast AcrylicPart No. 84865K418
Cost: $438.64
Length 48"Length Tolerance +.25"Inside Diameter 15-1/2"Outside Diameter 16"Outside Diameter Tolerance ±.08"Wall Thickness .25"Wall Thickness Tolerance ±.018"Acrylic Material Cast AcrylicPart No. 84865K438
Cost: $871.70
Length 48"Length Tolerance +.25"Inside Diameter 17-1/2"Outside Diameter 18"Outside Diameter Tolerance ±.08"Wall Thickness .25"Wall Thickness Tolerance ±.018"Acrylic Material Cast AcrylicPart No. 84865K439
Cost: $884.35
Length 24"Length Tolerance +.25"Inside Diameter 17-1/2"Outside Diameter 18"Outside Diameter Tolerance ±.08"Wall Thickness .25"Wall Thickness Tolerance ±.025"Acrylic Material Cast AcrylicPart No. 84865K419
Cost: $444.95
Source: www.mcmaster.com
grate/perforated slab of steel or aluminum
disposable, removable lining across bottom
vertices glued and waterproof
recessed ¼”, 20 thread screws
rapid prototyping
machine
¼”, 20 thread, nylon screws
aluminum, brass, plastic stainless steel
appr
oxim
ate
piano hinge along tube (?)
= isocenter, 23.255cm from base
Philips 3T Achieva
8.255
45.72
15.00
26.942
23.255
3.96941.751
NOT DRAWN TO SCALE
Based on our measurements of the bohr…
Philips 3T Achieva
NOT DRAWN TO SCALE
Philips 3T Achieva
NOT DRAWN TO SCALE
• Mechanical design model
• Macaque measurements: 6.5-8.5kg, 28-32” prone
• Chair: diameter, landmark, loading, attach, packing
• Bohr measurements
• final design revisions• machine the chair• Mock scanner environment• Monkey training• RF coil selection & construction• Functional components: QFDs & selection