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Portable device for suction removal of gas and liquid build-up from pleural space. These self-contained units include high/low volume pump,multiple container and water seal collection system, and pressure gauge. Two separate chest tubes inserted surgically, remove liquids and gases into drainage tubes after thoracic surgery, pneumothoracic wounds, chest trauma, etc.
1. The preferred aspiration pump models are those that limit vacuum to a predetermined rate and have an appropriate safety cutoff pressure, to avoid hazardous excessive vacuum.
2. Adjustable suction should be provided on pleural drainage pumps with a maximum setting of 50 cm H2O, and a maximum flow rate of >20 L/min measured at open flow. This should prevail over high negative intrapleural pressures in some patients.
3. Aspiration pumps with no control system that limits suction to 200 cm H2O must be used with a disposable chest drainage unit, which provides this safety feature.
4. When using reusable canisters for collection with a pleural drainage pump, facilities should consider their price and availability, as well as the cost of sterilization.
5. Aspiration pump units with a collection system must have overflow protection or some other method to prevent contamination.
Secretion removal from patient's air passages to allow ventilation
Portable, battery operated or manual units providing oropharyngeal or tracheal suctioning for secretion removal from patient air passages. This ensures effective spontaneous or mechanical ventilation where a central system isn't available, or in emergency situations.
1. Emergency aspirator units are commonly used outside clinic or hospital settings, and must be easy-to-use and transport.
2. The vacuum level of the emergency aspirator should reach 300 mm Hg in 4 sec or less. Emergency aspiration could require moderate to high vacuum and flow rates. It should be able to provide suction of at least 400 mm Hg at maximum settings to remove tenacious secretions, while allowing lower vacuum levels as well, to prevent tissue damage.
3. The vacuum gauges and vacuum limiting devices help to ensure appropriate and safe suction levels, and they should be read easily and accurately.
4. All the collection canisters, disposable or reusable, should hold at least 1 L of liquid to prevent overflow of aspirated material that is infectious and might clog the battery-powered emergency aspirator.
5. Emergency Aspirators should weigh less than 6 kg. Units that are used for crash carts only, can be heavier.
6. The emergency aspirator unit should perform at maximum vacuum for at least 30 minutes when batteries are fully charged. It should provide audible and visual warnings when depletion is close.
7. To prevent loss of the charger, integral battery chargers are preferred to separate battery-powered emergency aspirator units.
8. All the controls and connections must be clearly marked.
9. For emergency aspirator units used for pharyngeal suctioning only, vacuum regulators or gauges are optional. A model without these options is cheaper and simpler to operate.However, if a vacuum gauge is indeed included, it should be installed properly to prevent falsely low readings that will cause higher than intended vacuum levels.
10. When measuring vacuum levels, the end of the tubing must be occluded. This should be kept in the mind of all users using relatively high vacuum levels for tracheal suctioning, because excessive vacuum levels can cause trauma.
11. Using the emergency aspirator should be easy and intuitive, including: turning it on, adjusting and operating it, setting it to maximum vacuum for pharyngeal suctioning, emptying, exchanging or disposing canisters and continuing to operate the pump without significant risk of contaminating the instrument or the operator.
12. Installed filters supplied with the canisters will differ with different emergency aspirator models; some may severely limit airflow rates.
Before you purchase your Aspirator, Emergency, we recommend you ask the seller the following questions: