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BIOPAC Hardware | AFT Series | Page 5 - 7 Updated: 12.3.2013
The AFT20 connects the CO2100C or O2100C directly to the sampling port of a mixing chamber. The
AFT20 also permits sampling connections to the Non-rebreathing “T” Valves (AFT21 or AFT22).
MRI Use: MR Safe
AFT20 Gas Sampling Kit Components: Tubing: 1.8 m of 1.5 mm diameter polyethylene tubing with
M/F Luer; Tubing: 30 cm Nafion
water vapor permeable tubing with M/F Luer connector; Y-
connector: Acrylonitrile butadiene styrene (ABS) polycarbonate
AFT31-MRI
This 3.175 mm ID tubing is 10 meters long with male and female Luer
lock and "Y" connector interfaces to the AFT21 T-valve, AFT25
facemask, or AFT15 mixing chamber gas sampling ports to connect
them to the CO2100C module and/or the O2100C module. To use both
CO2100C and O2100C modules simultaneously, a “Y” connector gas
sampling interface adapter is included.
MRI Use: MR Safe
AFT31-MRI Gas Sampling Kit Components: Polyethylene, Polyvinyl Chloride Plastic,
Polycarbonate Clear Plastic
ID/OD: 3.175 mm (1/8") / 6.35 mm (1/4") Type: Crack-Resistant Polyethylene Tubing
Maximum Pressure: 358 psi @ 70º F Material: Linear Low Density Polyethylene
Operating Temperature Range: -100° to +175° F Wall Thickness: 1.588 (1/16")
“Y” connector: 1 x male to 2 x female Bend Radius: 2"
Length: 10 m Durometer: 95A (Firm)
AFT35-MRI
The Airflow Subject Interface Kit for MRI will allow two configurations with minimal clearance from
mouth to fMRI cage:
Low clearance - 6 cm: use right-angle coupler with mouthpiece and noseclip
Standard clearance - 12 cm: use right-angle coupler with facemask
The AFT35-MRI assembly includes a high-flow, non-rebreathing T valve with right-angle interface to
separate inspired flow from expired flow. Use assembly to perform the following airflow and lung
volume tests in an fMRI:
• End Tidal CO2
• VO2 max
• Breath-by-breath Air Flow
• Breath-by-breath Volume
• Metabolic Studies
The subject breathes into a right angle port that connects to the T valve. The inspire port is directly open
to the chamber room, so there is very low inspired resistance, and the T value expired port connects
directly to 35 mm ID tubing (such as AFT7L).
The AFT35-MRI assembly includes a 35 mm OD T valve (AFT23), mouthpiece (AFT9), facemask
with strap, noseclips, right-angle connector, and couplers.
The AFT35-MRI will connect to one or more lengths of AFT7L tubing, for ultimate connection to
AFT15 Gas sampling chambers, as well as a TSD117-MRI air flow transducer.
MRI Use: MR Safe
AFT35-MRI Components: Polyvinyl Chloride (PVC) plastic, Polyethylene EVA Copolymer,
Thermoplastic Rubber, Polycarbonate Plastic, Acrylic Plastic, Elasotomer, Paper, Latex Rubber,
Polyurethane Foam Plastic, Acrylonitrile Butadiene Styrene (ABS) Thermo-molded
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