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Secretion aspirators and accessories

When the natural cleaning of the airways by independent coughing is no longer sufficient, as is the case with laryngectomy or tracheotomy, these devices suck secretions and substances from the lungs and prevent respiratory distress.

Septic fluid suction devices consist of a basic electrical device - the suction pump - and the actual suction instrument, which comprises the hose system, septic fluid container and suction catheter.

The diaphragm pumps used are maintenance-free. According to the positive displacement principle, the pump sucks in air from one side and discharges it to the other. The vacuum generated is in a fixed relationship to the mechanical specifications of the pump and can be kept very constant. Since the vacuum can be directly controlled by means of appropriate control devices, any vacuum between 0 Pa and the specified maximum ultimate vacuum can be set. With the help of the vacuum, a connected hose, which is usually extended by suction catheters, can suck the secretion to be removed into a collection container.

Essential differentiation criteria for secretion aspiration devices are:

  • Size and weight
  • Suction capacity (litres per minute)
  • Absorption capacity of the secretion container
  • Operation via mains / battery

Depending on the application, three different device versions are recommended:

  1. Mains-powered, electrically operated suction units are mainly suitable for home use.
  2. Mains-independent, battery-powered suction units are ideal for travelling; they are portable, have a rechargeable battery and are therefore mainly suitable for mobile use.
  3. Manual suction pumps are designed for emergency use. They do not require any power supply at all and are operated either by hand or by a foot pedal.
    Decisive for the right choice is also the frequency of the suction requirement and the required suction power (for viscous or liquid secretions).

Septic fluid aspirators are also offered as combination devices, which additionally allow inhalation. After laryngectomy or a tracheotomy and thus the loss of the natural moisture retention of the mucous membranes, other precautions are necessary to prevent severe irritation of the mucous membranes. In most cases, such irritations lead to increased secretion, coughing, encrustation and barking.

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