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The art of lung diagnostics.

We are a manufacturer of versatile PFT devices – with a focus on durability and simple design. With over 40 years of experience.
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AltiTrainer

Individual altitude simulation –
Innovation for hypoxia training and testing

Hypoxia training is a training method based on the adaptation of the body to reduced oxygen levels. Classically, this is done at high altitudes, which is of course not always possible nor practical and not economically viable for every workout. The AltiTrainer also supports Intermittent Hypoxic-Hyperoxic Training (IHHT).

Altitude simulation.*

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AltiTrainer is an innovating device for research in hypoxic, hyperoxic, and hypercapnic condition. Exposure to high altitude environment causes reactions in the body. The versatility of the AltiTrainer configures appropriate tests for performance and research safely. Simulated altitude training with regeneration in plain is now possible with AltiTrainer. The device makes it possible to simulate altitudes up to 5,500 m. With AltiTrainer it is possible to train subjects to intensive training in hypoxia conditions with ventilatory flows up to 200l/min. Like this, the AltiTrainer is the only device on the market, which allows such high flow rates and thus allows training at the VO2max level of high level athletes. AltiTrainer is designed to deliver the large amounts of hypoxic air required by a high performance athlete at full exertion. The working height can be freely selected and controlled by a microprocessor in conjunction with an oxygen probe. The device combines reliability, efficiency, simplicity and economy. * Manufacturer: SMTEC (Sport & Médical Technologies) S.A.

Application of the AltiTrainer

Sports performance

The AltiTrainer benefits sports performance by stimulating physiological adaptations that improve the body’s ability to transport, utilize, and conserve oxygen. These adaptations are particularly valuable for endurance athletes, though they can also benefit athletes in other disciplines.
In particular

Medical use

Hypoxia is proved to have various advantages in medical and hospital use.
In particular

Rehabilitation

Acclimatization and Mountaineering preparation

Use of hypoxic training can drastically reduce the acclimatization time. Thousands of people each year ascend to altitude, may it be for mountaineering expedition or just ski vacation. Mountaineers must spend weeks at base camp for acclimatizing, which costs thousand of euros. The AltiTrainer helps reducing this time and helps to prepare the body better for those conditions. In particular the device can be used for the following:

Aerospace and Military Training

Explore the AltiTrainer

Nitrogen through compressed gas cylinder
(quick connection)

Main Unit

Lightweight breathing mask

Hose for nitrogen supply
under pressure

Control panel
Backlit touch display
Quick change to desired height possible

Port (USB) & Power

Simulated altitude training

Simulated altitude training with regeneration in plain is now possible – To simulate the altitudes up to 5,500m above the sea level. Even to train the subjects to intensive training in hypoxia conditions with ventilatory flows up to 200l/min.

Medical Research

Exposure to high altitude environment causes reactions in the body. The set of health problems related to altitude is the subject of ongoing research. The versatility of the AltiTrainer configures appropriate tests for patients and research safely.

IHHT, or IHT?

The choice between IHHT (Intermittent Hypoxic-Hyperoxic Training) and IHT (Intermittent Hypoxic Training) depends on the specific goals, health status, and needs of the individual.

IHT
(Intermittent Hypoxic Training)

  • Involves alternating periods of hypoxia (low oxygen) with normal oxygen levels.
  • Simulates high-altitude conditions to improve oxygen efficiency and endurance.
  • Focuses primarily on adaptation to oxygen scarcity, which triggers physiological benefits like improved oxygen transport and utilization.

IHHT
(Intermittent Hypoxic-Hyperoxic Training)

  • Combines periods of hypoxia with hyperoxia (high oxygen levels)
  • Adds a recovery phase during hyperoxia, reducing oxidative stress and promoting cellular repair
  • Targets mitochondrial health and energy production more directly than IHT
Feature IHT IHHT
Athletic Performance
Improves endurance, VO₂ max, and stamina.
Similar benefits, but with possibly faster recovery.
Mitochondrial Health
Indirectly supports mitochondrial function.
Actively promotes mitochondrial repair and rejuvenation.
Stress on the Body
Moderate oxidative stress from hypoxia.
Reduced oxidative stress due to hyperoxic phases.
Recovery
Slower, as normal oxygen levels follow hypoxia.
Accelerated, thanks to hyperoxia.
Applications
Suitable for athletes aiming for endurance.
Broader, including chronic fatigue, aging, and cellular health.

Use cases

IHT is better for:

IHHT is better for:

Conclusion

If your primary goal is improved endurance and oxygen efficiency, IHT may suffice.

However, if you’re looking for a more balanced, recovery-oriented approach with additional benefits like mitochondrial health and reduced oxidative stress, IHHT is likely the better choice. By request we can provide relevant scientific literature.

Set-Ups

The training in hypoxia with AltiTrainer lends itself to all the sporting practices with training on stationary apparatuses, which are treadmills, ergometric bicycles or e.g. rowing machines. It offers full flexibility and can be quickly switched between different devices. One device will thus meet the needs of different user groups, making its use very effective.

Ergonomic bicycle with standard-trolley*

Treadmill with height-adjustable trolley (opt.)*

* AltiTrainer is for research-only. It is not a registered medical device.