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Cleaning guidelines

External Cleaning / Disinfecting Instructions

For any BIOPAC Systems data acquisition, amplifier or accessory module:

  • To clean the surface of the module:
    • wipe lightly with a dry, lint-free cloth, or
    • wipe lightly with a soft cloth dampened with a commercial, non-abrasive cleaner, or
    • use a low-pressure air line to blow dust free, or
    • carefully clean with a suitable vacuum cleaner.
  • To disinfect the module: wipe the surface with a soft cloth dampened with a solution of 70% alcohol in water.

! Warning Do not spray, pour or spill any liquid on the module, including its connectors, switches or openings.

CDC Disinfection Guidelines

Facemask

See AFT25 Facemask Cleaning & Sterilization.

fNIR Imagers and Sensors

All generations and models: Use an alcohol swab to gently wipe the surface of the fNIR Imager unit or sensor.

FOTS100

FOTS100 system or TSD180/TSD181 FO Probes: see FOTS Cleaning Guide

GAS ANALYSIS SYSTEMS

GASSYS2-EA or GASSYS2-EB System or  RXGAS-Aand RXGAS-B Chambers: See GasSys2 Cleaning & Disinfection – use only Cidex!

Gold Cup Reusable Electrodes (EL160)

After each use (Earclips and Surface), clean with warm water and a mild detergent. Use a soft cloth or Q-tip. The disinfect with 70% alcohol or a water based disinfectant. Do not soak in water for prolonged periods, it causes deterioration of the electrode. Before use check the electrode damage and excessive wear. If in doubt, replace it.

Liquid “COLD” sterilization

When liquid cold sterilization is specified for a BIOPAC transducer, the following disinfectants are recommended:

IMPORTANT: Always follow the manufacturer’s directions.

Needle Electrodes (Reusable)

Autoclave
    Exposure Temperature: 127 deg C
    Exposure Time: 20 minutes
Ethylene Oxide (EO)
Temp range: 51-56 deg C
Vacuum: 40.64 cm Hg
Relative Humidity: 50% +/- 10%
Humidity dwell: 77 minutes
EO gas: 12/88 Oxifume
Gas Exposure rise: 12 psig
Exposure time: 105 minutes
Airwashes
Evacuate to 40.64cm Hg and slow release to atmospheric pressure; repeat for a total of three times.

Probes

! Some temperature probes are non-sterilizable and sensors should be replaced as necessary:

Non-sterilizable temperature probes include:
• Fast-response surface temperature sensor: TSD202A and SS6L (use replacement sensor RX202A)
• MR Conditional surface temperature sensor: TSD202A-MRI (use replacement sensor RX202A-MRI)
• General-purpose waterproof thermistor: TSD202E and SS7L
• Flexible waterproof thermistor: TSD202F and SS8L

Immersion temperature probes may be cleaned using standard liquid disinfectant methods, with direct immersion for the recommended period.

Wipe down non-immersion probes with liquid disinfectant or alcohol.

Reusable Electrodes/Transducers

  • EL120 reusable electrodes
  • EL254 and EL258  reusable electrodes
  • EL654 and EL658 reusable electrodes
  • TSD203 and SS3LA Skin Conductance Transducers

GEL should immediately be cleaned off the electrodes after each use. Dried gel will act as an insulator decreasing electrical contact with the skin, and the Ag-AgCl electrode disk could degrade quickly with time because of the porous electrode surface.

To clean the electrodes

  1. Wet a cotton swab or toothbrush with water and remove the electrode gel.
    • If needed, use Hydrogen Peroxide solution (2-3%) to brighten electrode surface (optional) or to sterilize the electrode; do not place the electrode in solution, but rather use a cotton swab or toothbrush.
  2. Always dry the electrodes after cleaning.
  3. If a dark residue remains after the above cleaning methods are used, then a cleaner with pumice can be used on the wetted cotton swab or toothbrush.

Warning! Use of a Waterpik® or similar jet will drastically shorten the life of these electrodes and is not recommended.

RX117A and RX117A-MRI Flow Heads

Used in SS11LB, SS11LA, TSD117A, TSD117A-MRI pneomotachs

Recommended sterilization: cold sterilization (i.e., Cidex® OPA) or autoclave.

If autoclaved, RX117A-MRI Airflow Heads should be cleaned at the lowest autoclave temperature setting; the life cycle will be about 10-20 cycles, depending upon temperature used.

RX137 Series Pneumotach Flow Heads

used in TSD137 Series and SS46L-SS52L

See recommended Cleaning, Disinfection/Sterilization and Maintenance (PDF)

Thermoplastic rubber mouthpieces and couplers

Mouthpieces and couplers are supplied non-sterile and should be sterilized before use for pulmonary equipment interconnects.

Acceptable sterilization techniques

Inspect after sterilization for deterioration. Dispose if damaged.


If you have questions or comments, please call 805-685-0066 or e-mail support@biopac.com.

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