Secretion aspirators and accessories

If the natural cleansing of the airways by independent coughing up is no longer sufficient, for example in the case of laryngectomy or tracheotomized patients, these devices suck secretions and substances out of the lungs and prevent respiratory distress.

Secretion suction devices consist of an electrical basic device - the suction pump - and the actual suction instrument, which includes the tube system, secretion 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 expels 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 hornled by means of appropriate horn devices, any vacuum between 0 Pa and the specified maximum ultimate vacuum can be set. With the aid of the negative pressure, a connected tube, usually extended by suction catheters, can suck the secretion to be removed into a collection container.

Major distinguishing criteria for secretion aspirators are:

  • Size and weight
  • Suction capacity (litres per minute)
  • Capacity of the secretion canister
  • Operation via mains / rechargeable battery

Depending on the motion and oppisition, three different device versions are recommended:

  1. Mains-dependent, electrically operated suction devices are mainly suitable for home use.
  2. Mains-independent, battery-operated suction units are ideal for use on the move; 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 come completely BGGout a power supply and are operated either by hand or by a foot pedal.
    Decisive for the right selection are also the frequency of the suction requirement and the required suction power (for viscous or liquid secretions).

Secretion suction devices are also offered as combination devices which additionally allow inhalation. After laryngectomy or a tracheotomy and thus the loss of the natural moistness 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 irritation, encrustation and bark formation.

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