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This page provides a service manual and recall information for the Philips Respironics System One Dorma.

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[flag|biomed]

[note|type=warning]The Philips Respironics System One Dorma 400 and 500 have been recalled. Register your device [link|https://www.usa.philips.com/healthcare/e/sleep/communications/src-update/information-for-patients-and-caregivers|here].[/note]

== Background ==

Philips Respironics, a subsidiary of Philips, is a prominent global leader in the field of sleep and respiratory care. Founded in 1976 as Respironics, Inc., the company has been dedicated to developing innovative solutions to improve he health and well-being of individuals with sleep disorders.

One of the company's primary products is Continuous Positive Airway Pressure (CPAP)machines. These devices deliver a steady stream of air pressure through a mask worn during sleep, preventing the airway from collapsing and ensuring uninterrupted breathing. CPAP therapy is particularly effective for treating sleep apnea, a common sleep disorder characterized by pauses in breathing during sleep.

In recent years, Philips Respironics has faced significant challenges related to the safety and quality of certain CPAP and BiPAP machines. These devices have been linked to potential health risks, including respiratory infections and exposure to harmful chemicals. To address these issues, the company has issued recalls and initiated a voluntary repair and replacement program.

Despite these challenges, Philips Respironics remains committed to providing innovative and reliable sleep and respiratory care solutions. The company continues to invest in research and development to improve the effectiveness and safety of its products.

=== ***Major Features and Components:*** ===

The Philips Respironics System One Dorma is a CPAP device designed for individuals with sleep apnea. It offers several features to improve therapy comfort and compliance:

* ***Auto-Adjusting Pressure:*** Automatically adjusts pressure levels throughout the night to optimize therapy.
* ***Quiet Operation:*** Designed to minimize noise disturbances for both the user and their bed partner.
* ***Integrated Humidifier:*** Helps to moisturize the air, reducing dryness and irritation.
* ***Compact Design:*** Portable and easy to travel with.
* ***Data Tracking:*** Records therapy data to monitor progress and identify potential issues.

***Release Date:***

The exact release date of the System One Dorma may vary by region. However, it was introduced as part of the System One series, which was launched in recent years.

***Known Failure Modes:***

Like many other Philips Respironics devices, the System One Dorma has been affected by a recall due to potential health risks associated with the polyurethane foam used in the sound abatement foam. This foam can degrade over time, releasing harmful particles that can be inhaled.

It's crucial for users of affected devices to follow the recall instructions provided by Philips Respironics and their healthcare provider. This may involve device repair, replacement, or discontinuation of use.

== Recall Information ==

In June 2021, Philips announced a recall of certain CPAP and BiPAP devices due to concerns about the potential health risks associated with the foam used in these devices. For more information on affected devices and the recall process, please refer to the [link|https://www.usa.philips.com/healthcare/e/sleep/communications/src-update#slide_affected_devices|full list] and the [link|https://www.usa.philips.com/c-dam/b2bhc/master/landing-pages/src/update/documents/en_US/philips-recall-letter-2021-11-16-a-cpap-a-ventilator-recall-letter-us-revised.pdf|full notification].

== Identification ==

The System One Dorma has a distinctive design with a curved top. Look for the model name "Dorma" printed on the device, usually near the display screen.

=== Humidifier ===

[image|3475116]

If your device has a [link|https://www.nksleepcare.com/en/product/remstar-dorma-humidifier/|humidifier], it will be a separate component that attaches to the main unit. The Dorma humidifier is typically a small, round unit.

=== Power Supply ===

[image|3475117]

The [link|https://www.amazon.com/Adapter-Charger-Philips-Respironics-AA24750L/dp/B07MHGKVTK|power supply] for the Dorma is a rectangular box with a power cord.

== Technical Specifications ==

=== Dorma 200 ===

* ***Pressure Range:*** 4 to 20 cm H₂O
* ***Flex Setting:*** 1 (Off); 1 (On)
* ***Ramp Time:*** 0 to 45 min (5-min increments)
* ***Starting Ramp Pressure:*** Patient adjustable
* ***Dimensions:*** 7" L x 5.5" W x 4" H; 18 cm L x 14 cm W x 10 cm H
* ***Weight:*** Approximately 1.53 kg (3.37 lbs) (without humidifier)
* ***Filters:*** Foam and optional ultra-fine
* ***Device Setup:*** LED/keypad
* ***Data Storage Capacity:***
** On-board: > 1 year
** SD Card (optional): lifetime
* ***Compliance Meter:*** Breathing detection
* ***Altitude Compensation:*** Automatic
* ***Electrical Requirements:*** 100-240 VAC, 50/60 Hz, 2.1A
* ***Humidification:*** Integrates with System One heated humidifier
* ***Humidification Modes:*** Classic
* ***Warranty:*** Two years
* [link|https://www.airohealthcare.com/wp-content/uploads/2020/06/Dorma200-Brochure.pdf|Sources]

== Additional Information ==

* [link|https://www.fda.gov/medical-devices/respiratory-devices/recalled-philips-ventilators-bipap-machines-and-cpap-machines|Recalled Philips Ventilators, BiPAP Machines, and CPAP Machines from the FDA]
* [link|https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfres/res.cfm?id=187815|Dorma 400 and 500 recall information from the FDA]
* [link|https://www.usa.philips.com/c-w/support-home/support-contact-page|Contact Philips Respironics]

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