CATHETER FOR TREATMENT OF SINUSITIS

摘要

A catheter for treatment of sinusitis capable of causing a space in a further rear (distal side) of a posterior nasal aperture to communicate with external air is provided. The catheter comprises an anterior nasal aperture balloon 33, an anterior nasal aperture balloon air supply lumen 39b for inflating the anterior nasal aperture balloon 33, a posterior nasal aperture balloon 13, a posterior nasal aperture balloon air supply lumen 19b for inflating the posterior nasal aperture balloon 13, and a drainage lumen 39a having an opening 41 between the anterior nasal aperture balloon 33 and the posterior nasal aperture balloon 13, in which an external air communication lumen 19a having an opening 21 on a distal side from the posterior nasal aperture balloon 13 is further provided.

主权项

1. A catheter for treatment of sinusitis comprising:
an anterior nasal aperture balloon; an anterior nasal aperture balloon air supply lumen for inflating the anterior nasal aperture balloon; a posterior nasal aperture balloon; a posterior nasal aperture balloon air supply lumen for inflating the posterior nasal aperture balloon; and a drainage lumen having an opening between the anterior nasal aperture balloon and the posterior nasal aperture balloon, wherein an external air communication lumen having an opening on a distal side from the posterior nasal aperture balloon is further provided.