Invention Grant
US09345864B2 Methods for treating sinus ostia using balloon catheter devices having a slidable balloon portion 有权
使用具有可滑动球囊部分的球囊导管装置治疗窦口的方法

Methods for treating sinus ostia using balloon catheter devices having a slidable balloon portion
Abstract:
A method comprises providing a balloon catheter device; locating a balloon portion within a paranasal sinus ostium while the balloon portion is in the first position such that a distal end of the balloon portion is at a distal end of a paranasal sinus ostium; inflating the balloon portion while the balloon portion is located in the paranasal sinus ostium such that at least a portion of the paranasal sinus ostium is dilated; sliding the balloon portion back to a second position while leaving the distal end of a guide member at the distal end of the paranasal sinus ostium; and viewing an image provided by a camera to determine whether an entirety of the paranasal sinus ostium has been dilated.
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