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Respironics Threshold IMT Inspiratory Muscle Trainer

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This product has been permanently discontinued by the manufacturer. We have selected suitable alternatives to address your needs.

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Respironics Threshold Inspiratory Muscle Trainer is intended to assist users in improving their respiratory strength. The IMT Trainer is a portable, lightweight device that can be used for on-the-go resistance training. Made of high-quality, long-lasting acrylic which makes it dependable. The Muscle Trainer does not require a pressure indicator because it provides constant pressure throughout the therapy. The product includes a one-way valve that allows anyone to use it depending on the strength of the therapy required. Pressure can be easily adjusted in small increments of two centimeters at a time.

Benefits of Threshold IMT

  • Can be used in any position
  • No pressure indicator needed
  • Small and lightweight
  • Easy to clean for repeated use
  • Customizable to patient

Features of Threshold IMT by Respironics

  • Inspiratory Muscle Trainer improves exercise tolerance respiratory muscle strength and endurance
  • Flow-independent one-way valve is suitable for all patients
  • Adjustable pressure for all levels of training
  • Easy to set, truly adjustable pressure
  • Can be set in 2 cm H2O increments
  • Mouthpiece or mask option for flexibility (not included)
  • Convenient design is reliable and easy to clean
  • Made of durable, high-impact acrylic
  • Packaged in a plastic bag with instructions for use, mouthpiece, and nose clip
  • Material:
    • Main Body: Impact-resistant acrylic
    • Scale: Hot-stamped, alcohol-resistant
    • Mouthpiece and Nose Clip: Polypropylene

What to buy with Inspiratory Muscle Trainer

How to use Threshold IMT?

  • Adjust the pressure settings as recommended by a physician
  • Place the mouthpiece in the mouth
  • Breathe in and out as needed against the recommended pressure
  • There are no set time specifications, see a medical professional for specific time frames
  • Cease use of the trainer if you become light headed or dizzy

Inspiratory Muscle Trainer cleaning instructions:

  • Use warm water and a mild detergent to clean Threshold IMT
  • To rinse, flush clear water through both ends of the device
  • Shake out excess water
  • Allow it to dry
  • Do not heat or boil
  • Store it for the next therapy session

Threshold IMT Specifications

Particulars Specifications
Accuracy ±2 cm H2O
Reproducibility ±1 cm H2O
Measurement Range 9 - 41 cm H2O
Resolution 2 cm H2O
Length 4.6"
Diameter 1.6"
Scale Hot-stamped, alcohol resistant
Main Body Impact-resistant acrylic
Mouthpiece Polypropylene
Nose Clip Polypropylene


Respironics Threshold IMT Warranty

1 year warranty

Respironics HS730-010 IMT Reviews


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