secretion aspirators and accessories

If the natural cleansing of the airways through independent coughing is no longer satisfactory, for example after a laryngectomy or in patients with a tracheostomy, these devices suction secretions and substances from the lungs and prevent shortness of breath.

Secretion suction devices consist of a basic electrical device - the suction pump - and the actual suction instrument, which comprises the tube system, secretion container and suction catheter.

The diaphragm pumps used are maintenance-free. Based on the positive displacement principle, the pump draws 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. As the vacuum can be controlled directly via 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 tube, which is usually extended by suction catheters, can suck the secretion to be removed into a collection container.

The main distinguishing criteria for secretion suction devices are

  • Size and weight
  • Suction capacity (liters per minute)
  • Capacity of the secretion container
  • Company via mains / rechargeable battery

Depending on the application, 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 devices are ideal for use on the move; they are portable, have a rechargeable battery and are therefore primarily suitable for mobile use.
  3. Manual suction pumps are designed for emergency use. They do not require a power supply and are operated either by hand or with a foot pedal.
    The frequency of the suction requirement and the required suction power (for viscous or liquid secretions) are also decisive for making the right choice.

Secretion suction devices are also available as combination devices that also enable inhalation. After the removal of the larynx or a tracheotomy and thus the loss of the natural moisture retention of the mucous membranes, other precautions must be taken to prevent severe irritation of the mucous membranes. In most cases, such irritation leads to increased secretion, coughing, crusting and bark formation.

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