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The Fisher & Paykel HC550 System is designed for use with artificial ventilation systems. Portable volume ventilation systems, pressure support ventilation and Continuous Positive Airway Airway Pressure (CPAP) systems may incorporate an HC550 to provide therapeutic levels of warm humidified air to adult patients with artificial airways or through mask ventilation.

The operating flow range is 5 to 120L/min depending on the patient interface.

The HC550 is designed for use in long term care facilities or the home under the prescription of a qualified medical professional.

The Fisher & Paykel Healthcare HC550 System is designed to condition gases for patients by raising the delivered water vapor content (humidity) and temperature of the gases.

The HC550 System consists of the following components:

• . HC550 Respiratory Humidifier
• . Accessories:
  • a) Breathing circuit (compatible adult breathing circuits as cleared in K983112, K020332, K034026, K103767, K122432)
  • b) Humidification Chamber (as cleared in K9341401 and K913368)
  • c) Heaterwire Adaptor (as cleared in K073706)
  • d) Temperature/Flow Probe (as cleared in K983112)
  • RT008 Air Entrainer (optional oxygen therapy accessory) (as cleared in K953711) e)

The device consists of an electrically powered heat controller, utilizing a microprocessor with embedded software, to control a heating element that transfers heat to the water in a humidification chamber.

A dryline tube (part of the breathing circuit) transports respiratory gases from a flow source (e.g. ventilator) to the humidification chamber where the gases are heated and humidified.

The inspiratory limb of the breathing circuit transports the heated and humidified gases from the humidification chamber to the patient. The inspiratory tube may be electrically heated by means of a heater-wire placed internally to the tube, which is controlled by the HC550 respiratory humidifier.

The expiratory limb of the breathing circuit transports expired gas from patient. In the case of a dual-heated breathing circuit, this limb may also be heated in the same manner as the inspiratory limb.

If a heated breathing circuit is used, the heaterwire adaptor provides electrical energy from the respiratory humidifier to the heaterwire in the breathing circuit.

Temperature probes in the gas path provide feedback on temperature and flow of the gas to regulate temperature and humidity to the patient.

HC550 System Acceptance Criteria and Study Details

This document describes the acceptance criteria and corresponding study results for the HC550 System, a respiratory gas humidifier. The information is extracted from the provided 510(k) Notification K132017.

1. Table of Acceptance Criteria and Reported Device Performance

The acceptance criteria for the HC550 System are based on compliance with the ISO 8185:2007 standard for humidification systems. The device's performance is compared to these requirements.

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