Puritan Bennett Companion 550 Liquid Oxygen Portable Unit

No FDA recalls found in the data synced 6 Oct 2026.

510(k) Number

K933930 ↗

FDA Product Code

BYJ

Device Class

Class II

Regulation

21 CFR Part 868.5655

Advisory Committee

Anesthesiology

FDA Decision

SESE Substantially Equivalent

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See all devices from Puritan Bennett Corp. →

• What is the Puritan Bennett Companion 550 Liquid Oxygen Portable Unit used for?

  The Puritan Bennett Companion 550 is a portable, thermally insulated container of liquid oxygen designed to supplement gases to be inhaled by patients. It is part of a liquid oxygen system that includes both stationary and portable units for oxygen storage and delivery.

• How is the Puritan Bennett Companion 550 Liquid Oxygen Portable Unit supplied?

  The portable unit is designed to be filled from a stationary liquid oxygen reservoir and is supplied with tubing and an oxygen mask for patient use, making it convenient for oxygen therapy outside of a clinical setting.

• What is the regulatory status of the Puritan Bennett Companion 550 Liquid Oxygen Portable Unit?

  The device is a Class II medical product with FDA 510K clearance (K933930) and is regulated under product code BYJ for anesthesiology applications. It received FDA clearance on March 21, 1994.

• Can the Puritan Bennett Companion 550 Liquid Oxygen Portable Unit be reused?

  The device is designed as a portable unit that can be filled from a stationary reservoir, allowing for multiple uses. However, specific reuse instructions would depend on the manufacturer's guidelines and proper maintenance procedures.