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Airflow Subject Interface for MRI

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MR Safe airflow interface
Part #: AFT35-MRI

The AFT35-MRI is a low profile mouthpiece and non-rebreathing T-valve assembly specifically designed to fit inside an fMRI head coil.*

Use the AFT35-MRI to perform the following airflow and lung volume tests:

  • End Tidal CO2
  • VO2 max
  • Breath-by-breath Air Flow
  • Breath-by-breath Volume
  • Metabolic Studies

The assembly includes a Luer lock port for easy interface to AFT31-MRI gas sampling tubing for CO2 and O2 gas analysis. The assembly interfaces with AFT7/7-L tubing, via the AFT11A coupler, for operation with the TSD117-MRI ±300 L/min airflow transducer. Extra mouthpiece included.

MRI Use: MR Safe

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T valve - MR Safe - 35 mm OD right-angle
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Part #: AFT35-MRI
Categories: MRI Magnetic Resonance Imaging - Research
Subcategories: Masks & T-valves - , Airflow and Gas Analysis Accessories - Research

Details

Compatibility


Low clearance—only 25 mm between subject and coil

Dimensions: 25 mm breathing port height (excluding mouthpiece) x 35 mm outlet port diameter x 83 mm wide x 115 mm long

*Head coil fit: Fit is fine with 32-channel head coils; to encourage a better fit in 20-channel and 64-channel head coils, a shortening (cut via snips) of the flexible snorkel mouthpiece may be required.

Deadspace: 88 ml

Materials: Thermoplastic body; silicone inlet filter and mouthpiece; nylon male Luer; polypropylene female Luer

Sterilization: Cidex® recommended

Sample Setups

Perform a variety of tests. Place transducer outside the bore in the MRI Chamber Room and run tubing to connect to the subject and breathing accessories; place amp in Control Room.

  • End Tidal CO2: C02100C amp + AFT31-MRI tubing + AFT35-MRI airflow interface
  • Airflow & Lung Volume: DA100C amp + MECMRI-DA cable/filter set + TSD117-MRI transducer + AFT11A coupler + AFT7-L tubing + AFT35-MRI
  • Airflow & Lung Volume with End Tidal CO2: DA100C + MECMRI-DA + TSD117-MRI + AFT11A + AFT7-L + AFT35-MRI + AFT31-MRI + CO2100C
  • Metabolic: DA100C + MECMRI-DA + TSD117-MRI + 2 x AFT11A + 2 x AFT7-L + AFT35-MRI + AFT31-MRI + AFT15A/B + C02100C and/or O2100C

MRI Use: MR Safe (see Specifications for components)

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