Cornet: Difference between revisions

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== Introduction==
== Introduction==
The cornet is a OPEP device. It consists of a semi-circular plastic tube. The exhaled air passes through the curved plastic tube which contains a flexible, latex free hose. During exhalation, the latex free hose strikes the top and bottom of the plastic tube irregularly which intermittently occludes flow and causes oscillations and positive expiratory pressure in the patients airways. The mouthpiece has settings that can be adjusted to twist the tube and increase the size of the expiratory resistor. This can adjust the frequency, amplitude and mean pressure. The cornet is gravity independent and can be used in any position.
The cornet is a OPEP device. It consists of a semi-circular plastic tube. The exhaled air passes through the curved plastic tube which contains a flexible, latex free hose. During exhalation, the latex free hose strikes the top and bottom of the plastic tube irregularly which intermittently occludes flow and causes oscillations and positive expiratory pressure in the patients airways. The mouthpiece has settings that can be adjusted to twist the tube and increase the size of the expiratory resistor. This can adjust the frequency, amplitude and mean pressure. The cornet is gravity independent and can be used in any position.<ref>Muthukumar TS, Thekkinkattil MK. Effect of cornet device to clear the excess trachea bronchial secretions in a 45 year old right middle and lower lobe pneumonia patient- a case report. MOJ Yoga Physical Ther. 2016;1(1):1-3.</ref><ref>Hillary Van Fleet H V, Dunn D K, McNinch N L, Volsko T A. Evaluation of Functional Characteristics of 4 Oscillatory Positive Pressure Devices in a Simulated Cystic Fibrosis Model. Respiratory Care.2017;62 (4):451-458.</ref>


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== Resources  ==
== Resources  ==

Revision as of 08:11, 22 April 2022

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Top Contributors - Erika Rodrigues  

Background[edit | edit source]

Positive pressure therapy (PEP) is used to enhance mucus clearance by either preventing the airways from collapsing by stenting them or through collateral ventilation that helps in increasing the intrathoracic pressure distal to the retained secretions or by increasing the functional residual capacity. Oscillatory positive expiratory pressure (OPEP) therapy was first developed in Switzerland. OPEP therapy combines the positive effects of PEP therapy with vibrations or oscillations and therefore has a two fold effect in airway clearance.[1]

Introduction[edit | edit source]

The cornet is a OPEP device. It consists of a semi-circular plastic tube. The exhaled air passes through the curved plastic tube which contains a flexible, latex free hose. During exhalation, the latex free hose strikes the top and bottom of the plastic tube irregularly which intermittently occludes flow and causes oscillations and positive expiratory pressure in the patients airways. The mouthpiece has settings that can be adjusted to twist the tube and increase the size of the expiratory resistor. This can adjust the frequency, amplitude and mean pressure. The cornet is gravity independent and can be used in any position.[2][3]

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Resources[edit | edit source]

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References[edit | edit source]

  1. Ni Y, Ding L, Yu Y, Dai R, Chen H, Shi G. Oscillatory positive expiratory pressure treatment in lower respiratory tract infection. Experimental and therapeutic medicine. 2018;16(4):3241–3248.
  2. Muthukumar TS, Thekkinkattil MK. Effect of cornet device to clear the excess trachea bronchial secretions in a 45 year old right middle and lower lobe pneumonia patient- a case report. MOJ Yoga Physical Ther. 2016;1(1):1-3.
  3. Hillary Van Fleet H V, Dunn D K, McNinch N L, Volsko T A. Evaluation of Functional Characteristics of 4 Oscillatory Positive Pressure Devices in a Simulated Cystic Fibrosis Model. Respiratory Care.2017;62 (4):451-458.