Ventilators

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System Overview

Mechanical ventilation The way to extend the respiratory power through instrument control or assisted breathing is called mechanical ventilation, that is, when animals cannot breathe autonomously, their ability to breathe autonomously is weak, and the breathing is interrupted manually, mechanical ventilation is needed to replace the autonomous breathing of animals.

Purpose:
• Maintain proper ventilation to make alveolar ventilation meet the needs of the body;
•Improve gas exchange function and maintain effective gas exchange;
• Reduce the work of respiratory muscles.

Mode:
• Controlled ventilation (CV): The ventilator completely replaces the breathing of experimental animals. Its respiratory rate and tidal volume are controlled by the ventilator, which belongs to complete respiratory support.
• Auxiliary ventilation (AV): The ventilator provides partial ventilation support when the experimental animals with spontaneous breathing inhale.
• Sigh mode (Sigh): It is a kind of ventilation mode in which deep breathing is carried out at intervals under the condition of routine

Applications

Thoracotomy (CV)

Open chest interrupts the animal’s spontaneous breathing, and the animal dies without breathing opportunity

Other surgery (AV)

Feed back the breathing state of animals in time, master the animal situation at any time, and improve the success rate of the experiment

Study on symptoms caused by ventilator (CV)

Modeling cannot be completed without using ventilator

Surgery with muscle relaxants (CV)

Muscle relaxants can reduce the ability of animals to breathe autonomously, and animals without ventilator are at risk of death

Valuable laboratory animals (AV)

The ventilator can effectively ensure the survival rate of experimental animals and reduce the cost

Respiratory failure modeling (CV)

The survival rate of animals without ventilator cannot be guaranteed

Critical first aid (CV)

Oxygen supply cannot be guaranteed without ventilator, and the survival rate of animals is not high

Experiments requiring long-term monitoring, such as in vivo imaging and blood flow monitoring (AV)

If animal signs are not stable, it will lead to large error of monitoring data, and the article data will not be recognized; More reliable data can be obtained by using ventilator

Models

Suitable for small animals such as mice, rats and guinea pigs within 10g ~ 1kg;
Advanced solenoid valve control, accurate air flow control and low noise.

Help veterinarians solve low SpO2 problems during surgery
Remote control of inspiratory hold: During a CT scan of the chest or abdomen, help the animal to hold the inspiration and complete the CT scan
Minimum tidal volume down to 4 mL，more friendly to tiny animals.
Accurate and continuous monitoring of respiratory status, such as airway pressure – time chart, minute volume, EtCO2, and etc.
Multiple alarms and clear handling prompts ensure the safety of mechanical ventilation