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Technical Documents

ResMed Vent – Device Alarm Connection Installation Instruction

Device Alarm Connection Instructions for ResMed Ventilators

 

Due to the fragile nature of the alarm output connector on the ResMed Astral 150 ventilator, APCOR, Inc. has developed a solution which protects the device’s port from the damage which occurs after repeated use. This two-piece design includes a rugged adapter (ME550ASTRAL for normally open systems and ME550ASTRALC for normally closed systems) and the corresponding ventilator alarm cable (ME590333N). Both the adapter and the alarm cable are included under part #’s:

ME590153: for use with normally closed systems          and          ME590153E: for use with normally open systems

Installation instructions:

  • Connect the 5 pin end of the adapter into the ventilator output port.
  • Thread the adapter cable behind the open rubber flaps.
  • Peel the backing off the cable tie mount and adhere it over the area displaying the DC Power input symbol.
  • Connect the 1/8” plug of the alarm cable into the mating jack of the now mounted rugged adapter.
  • Connect the right angle of the alarm cable into the designated headwall jack near the patient bedside.
Note: The rugged adapter is designed to remain permanently attached to the ventilator. To disconnect the alarm cable from the ventilator, grasp the end of the adapter in one hand and the end of the alarm cable in the other and pull the connector ends apart  (see image #4).
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Our cable products achieve reliable signal transfer
between new and existing devices and systems in the following ways:

Interconnect/Sync Solutions: This line of products is used in the CVOR, Cath/EP Labs and Hybrid ORs; areas that routinely require ECG and IBP signal transfer  between physiologic monitoring devices.

Device Alarm Nurse Call Solutions: This line of products is routinely used in areas where the patient is connected to critical devices and physiologic monitors; equipment that must transfer audible alarms through to the central nurses station.

  • Anesthesia Monitors
  • Defibrillators
  • Balloon Pumps
  • Ultrasounds
  • Hemodynamic Devices
  • Patient Monitors
  • Ventilators
  • Infusion Pumps
  • Pulse Oximeters
  • Patient Monitors
  • Patient Beds
  • Capnography Monitors

Use our cables, adapter and multipliers to:

*Solve unique equipment combinations for slaved ECG & IBP connections between diverse manufactured devices.

*Multiply the analog output of a monitoring device and enable remote display onto numerous peripheral devices: 4 ECG and 2 Blood pressure waveforms provided.

*Adapt a device’s patient input to accommodate the cables from other manufactured devices.

     Use our cables, adapters and multipliers to:

* Transfer alarm signal from a critical device through the hospital’s nurse call system via the headwall jack near the patient’s bedside.

* Multiply a single alarm input at the headwall jack to accommodate multiple devices; turning the average room in a more intensive care unit.

* Allow audible alarms at the central nurses station to be promptly addressed by staff.

Trust MAGUIRE’s 50 years of Health Technology Experience to deliver peace of mind!

We’ve worked with thousands, providing Cabling Solutions for unique equipment arrangements and systems. Your request is likely our in-stock solution.  Call 800-548-9686  and speak to our knowledgeable team or EMAIL us the project details today!

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Considerations When Using Interconnect Cables with Medical Devices

Considerations When Using Interconnect Cables with Medical Devices

Devices may include: Monitors, Monitor/Defibrillators, Ultrasound, Balloon Pumps, etc.

 

Introduction
Some hospital customers may wish to interface the defibrillator/monitor to other medical devices. Commonly referred to as “slaving”, the patient’s ECG signal is cabled from the analog output of one device to the patient input of another, for the purposes of remote monitoring. This document describes typical interconnection schemes, and clearly defines inappropriate uses.

Review: What is Synchronized Cardioversion?
With the SYNC mode selected on the defibrillator/monitor, each QRS complex the patient produces is identified and marked. The defibrillator only allows delivery of a shock immediately after a QRS complex is detected. In patients with certain arrhythmia, administering a random counter shock carries the risk of inducing ventricular fibrillation. In such cases, synchronized cardioversion is usually indicated. A defibrillation shock delivered during the vulnerable period of the cardiac cycle may actually cause ventricular fibrillation.

The Association for the Advancement of Medical Instrumentation (AAMI) recommends that defibrillators operating in synchronized mode deliver the synchronized shock prior to 60 ms after the peak of the R wave. Since the vulnerable period immediately follows this 60 ms “window”, delivery of the shock must not occur more than 60 ms after the peak of the R wave.

Review: What is Noninvasive Pacing
The defibrillator/monitor is primarily used as a demand-mode pacer, which delivers pacing therapy based on the ECG signal acquired through its patient cable. Placing another device in the ECG signal path may result in unexpected distortions of the pacer-driven ECG waveform, which may, in turn, affect pacing therapy.

“Slaving” another device from the analog output of a defibrillator/monitor
When a defibrillator/monitor is used in conjunction with another device, the clinical staff may want to view the patient’s ECG signal on all units. A typical connection would allow the patient to be connected to the defibrillator/monitor plus have the ability to quickly interconnect a cable to the input of another device(s). This is the currently preferred method for synchronized Cardioversion or pacing.

“Slaving” The Defibrillator/monitor from the analog output of another device.
It may be impractical or undesirable to place additional monitoring electrodes on the patient. This “slaving” is a convenient method If you desire to also view the ECG waveform on the defibrillator/monitor, however, the delivery of Synchronized Cardioversion therapy or pacing with devices interconnected in this fashion can result in specific patient risks thus should not be done. To use the defibrillator/monitor during a cardioversion procedure or pacing, the patient cable must be connected directly to the defibrillator/monitor.

Noninvasive Pacing
IMPORTANT: The defibrillator/monitor should not be slaved from the analog output of another device when used for pacing. When pacing, the defibrillator/monitor must be connected directly to the patient through the patient cable.

Patient Risk Current
When interconnecting medical equipment, chassis leakage or risk currents may be increased. To ensure patient safety, the hospital biomedical staff should perform electrical safety testing on the complete system to ensure that safe current limits are not exceeded.

Considerations when using ECG Interconnect Cables, Published by Maguire Enterprises, Inc.  2018

 Cable Availability
For assistance in acquiring the appropriate cables, contact MAGUIRE Enterprises at 800-548-9686 or visit our website to view our on-line catalog . Be prepared to provide the manufacturer and model number of the bedside monitor and defibrillator to be used. Patient cable input adapters are also available, allowing the monitor cable to be plugged into the defibrillator, even if the original connectors were non compatible.

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Device Alarm Nurse Call Cables

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The ability to interconnect a physiologic monitor to additional monitoring devices is often an important consideration for the buyer. Let MAGUIRE help you and your customer with necessary ECG & IBP slave cable connections, along with unique multipliers and adapters that support required interoperability!

 Patient Monitors
 Anesthesia Monitors
 Defibrillators 
 Balloon Pumps
 Ultrasounds
 Hemodynamic Devices
 Ventilators
 Infusion Pumps
 Pulse Oximeters
 Capnography Monitors

Use our products to:

  • Solve unique equipment combinations for
    slaved ECG & IBP connections.
  • Multiply the analog output, connecting
    additional devices for remote display for up
    to 4 ECG and 2 Blood pressure waveforms.
  • Adapt a device’s patient input to
    accommodate the cables from other
    manufacturer devices.

We’ve worked with thousands, providing Interconnect Solutions that work with specific equipment arrangements. Your request is likely our in-stock solution. CALL and speak to our knowledgeable team or EMAIL us your project details today!

Weekdays 9am – 5pm EST
info@maguireenterprises.com
800-548-9686
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in the  at our
FDA compliant facility.