Volume Ventilators
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Volume Cycled Ventilators

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For pressure controlled ventilator please click here.

MiniVent Ventilator.

MRI Compatible Volume Cycled Ventilator click here.

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Volume controlled ventilation simply involves setting the desired stroke volume and stroke rate.  Starling type ventilators such as the models available from Ugo Basile offer impeccable engineering quality and finishing.  This results in a perfectly smooth respiratory wave, minimal dead-space and almost silent operation.

We offer the following models for volume cycled ventilation. 

Ugo Basile 7025

Stroke Volume Range 0.5 - 5ml or 1 - 10ml or 3 - 30 ml (5ml, 10ml or 30ml Cylinder Dependant)

Rate 10 - 180 Strokes Per Minute

Ugo Basile 5025

Stroke Volume Range 0-350ml  or 0-700ml (350ml or 700ml Cylinder Dependant)

Rate 10-50 Strokes Per Minute

Ugo Basile 6025

Stroke Volume Range 5 - 50ml or 10 - 100ml (50ml or 100ml Cylinder Dependant)

Rate 10-100 Strokes Per Minute

As testament to the reliability of the Ugo Basile ventilators, our demonstration model was second hand when we received it many years ago.  It is now around 17 years old and apart from very occasional greasing, it has never needed any servicing.  Today it runs as smoothly and silently as the day it left the Ugo Basile factory.

All Ugo Basile ventilators now come with digital readout, step-less adjustment of volume and rate and TTL start/stop control.

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HSE Minivent

HSE Type 845 MiniVent Ventilator

Stroke Volume Range 35-300µl

Up to 300 Strokes per minute

Very Small Dead-Space (remains constant independent of stroke volume)

 

We also offer a specialised model from Hugo Sachs Elektronik for very small subjects (<100g).  The Type 845 has very fine volume adjustment and 'valveless' operation means that dead-space is kept to a minimum.  The 845 is small and can be easily located close to the subject.

 

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CWE MRI-1: MRI Compatible Volume Cycled Ventilator for Small Subjects

  • Non-magnetic Pneumatic Valves

  • Dependable all-electronic ventilator

  • Wide tidal volume and rate range

  • Safe with oxygen & anaesthesia

  • Direct readout of volume and rate

The MRI-1 ventilator is a ventilator designed specifically for use in MRI and other high magnetic field environments.  The system comprises of a microprocessor-based control unit and a set of remote, pneumatically operated, non-metallic valves.  The MRI-1 can operate as a stand-alone unit or it can be controlled and/or monitored by a computer.

The MRI-1 Operates on the flow-time principle: an inspiratory airflow is established and gated into the subject for a known time, thus producing a known volume.  This approach provides extraordinary flexibility - a wide range of volumes, breaths-per-minute, and Inspiratory/Expiratory ratios are possible with no hardware changes, using just three front-panel controls.

The MRI-1 has a built-in pump to provide respiratory airflow.  Alternatively pressurized gasses including oxygen and anaesthetic gasses may be used.

The MRI-1 is designed to allow simple and cost-effective expansion to the facilitate the simultaneous ventilation of multiple subjects.  In which case the external valves operate synchronously but the volumes are  independently adjustable.

Specifications:
Respiratory rate range

5 - 150 breaths per minute

Inspiratory flow range 50 - 1000ml/min
Inspiration / Expiration (I/E ratio) range 20 - 80 %
Tidal Volume range 0.1 - 30ml
Manual control functions HOLD (suspends inspiration), MAN (manual inflation)
LCD Panel 4 lines x 20 chars, backlit
Indicator lights INSPIRATION, LOW PRESSURE WARNING, ERROR
Internal air pump capacity 4L/min
Pneumatic valve switching speed (air actuation) <75mS
Pneumatic valve switching speed (Helium actuation) <55mS
Pneumatic valve actuation pressure 5 - 5 bar
Pneumatic valve flow orifices 0.080in. (2.0mm)
Pneumatic valve materials PTFE body, non-metallic fasteners, one non-ferrous coil spring
Dimensions, main unit 9w x 5.5h x 9d in. (23 x 14 x 23cm)
Dimensions pneumatic valve (each of two) 1.0 dia x 1.8 long, in. (25 x 47mm
Port connections, respiratory and pressure functions 0.125" (3mm) ID Tygon Tubing
SYNC OUT connector BNC
Data Port connector DB-25S
Power Requirements 120/240V (Switchable), 100VA

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Site by Rob Jones.
Copyright © 1999 Linton Instrumentation  . All rights reserved.
Revised: June 03, 2004 .