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Войти в исследования Auris, nasus, larynx · 2009
A new video laryngo-pharyngoscope with shape-holding coiled tube and surgical forceps: a preliminary study.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Tamura Koichi, Kim Masanobu, Abe Koji, Toda Naoki, Jinouchi Osamu, Kalubi Bukasa, Takeda Noriaki
Аннотация
OBJECTIVES: We developed a new video laryngo-pharyngoscope with a shape-holding coiled tube and examined its effectiveness in some patients.
METHODS: The video laryngo-pharyngoscope is designed to inspect the pharynx and larynx transorally and to perform surgical manipulations. The scope consists of a coiled tube, a grip with trigger connected to the forceps and a CCD Camera with a battery. The stainless coiled tube of the scope is flexible but shape-holding, so that its shape can be changed by hand with the characteristic that the new orientation remains invariable during both inspection and operation in the pharynx and larynx. After a local anesthesia, the operator holds the scope in one hand and pulls the patient's tongue by the other hand. The operator then inserted the scope transorally while monitoring video images that were wirelessly transferred to the display to ensure that the forceps has reached the area of interest and treated lesions successfully.
RESULTS: Using the scope, we successfully examined the upper airway lesions and removed foreign bodies from the pharynx and performed both resection of a benign tumor and taking a biopsy of a malignant tumor from the pharynx and larynx. But, we could hardly remove vocal fold polyps because of the structural limitation of the scope.
CONCLUSIONS: We demonstrated that the new video laryngo-pharyngoscope can be used safely and successfully in the inspection and removal of lesions in the oropharynx and supraglottic area of the larynx and will be a useful tool for minimally invasive office-based surgery.
METHODS: The video laryngo-pharyngoscope is designed to inspect the pharynx and larynx transorally and to perform surgical manipulations. The scope consists of a coiled tube, a grip with trigger connected to the forceps and a CCD Camera with a battery. The stainless coiled tube of the scope is flexible but shape-holding, so that its shape can be changed by hand with the characteristic that the new orientation remains invariable during both inspection and operation in the pharynx and larynx. After a local anesthesia, the operator holds the scope in one hand and pulls the patient's tongue by the other hand. The operator then inserted the scope transorally while monitoring video images that were wirelessly transferred to the display to ensure that the forceps has reached the area of interest and treated lesions successfully.
RESULTS: Using the scope, we successfully examined the upper airway lesions and removed foreign bodies from the pharynx and performed both resection of a benign tumor and taking a biopsy of a malignant tumor from the pharynx and larynx. But, we could hardly remove vocal fold polyps because of the structural limitation of the scope.
CONCLUSIONS: We demonstrated that the new video laryngo-pharyngoscope can be used safely and successfully in the inspection and removal of lesions in the oropharynx and supraglottic area of the larynx and will be a useful tool for minimally invasive office-based surgery.