By "elimination" he refers to the procedure by means of which a sinus is made incapable of retaining secretions, as would be the case with the sphenoid operation he devised, whereby the floor is completely removed. The author admits that whereas obliteration of the ethmoid sinuses is the result of the external operation, that is not advisable in the case of the frontal sinus and therefore it is necessary to provide for adequate drainage into the nose, which is possible only through thorough exenteration of the ethmoid sinuses. As for the Caldwell-Luc operation, he has seen numerous failures, despite. Arch Otolaryngol. Coronavirus Resource Center.
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This induced local deep tissue heating of the body by radio waves. Earlier "long wave" diathermy machines using Tesla coils had operated at around 0. Two capacitor plates are applied to the body, attached to the vacuum tube oscillator , and the oscillating voltage is applied to them, with the intervening body acting as the capacitor's dielectric. This work is in the public domain because it was published in the United States between and and although there may or may not have been a copyright notice, the copyright was not renewed.
Unless its author has been dead for the required period, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada 50 pma , Mainland China 50 pma, not Hong Kong or Macao , Germany 70 pma , Mexico pma , Switzerland 70 pma , and other countries with individual treaties. See Commons:Hirtle chart for further explanation. English: A German diathermy machine from Retrieved March 21, from E.
This issue of Short Wave Craft magazine would have the copyright renewed in Therefore the magazine's copyright was not renewed and it is in the public domain.
Public domain Public domain false false.
THE PARANASAL SINUSES
A menudo no se han probado completamente en humanos y no siempre se han demostrado su seguridad y eficacia. Se han sometido a prueba los siguientes usos en humanos o animales. La seguridad y eficacia de los mismos no siempre se han demostrado. Se necesita estudios de alta calidad y comparaciones con placebo para confirmar estos hallazgos. Los resultados son inciertos. Los datos obtenidos resultan contradictorios. Un estudio ha indicado que la fisioterapia postoperatoria puede incrementar la capacidad de movimiento de los hombros, aunque es necesario realizar ensayos de alta calidad.
De onda corta diatermia terapia/neumática de choque para el cuerpo de alivio del dolor SW12