Title:
気管フィステル用バルブ
Document Type and Number:
Japanese Patent JP4156832
Kind Code:
B2
Abstract:
A vocal valve to be applied to a tracheostomized person's neck comprises an air passage to be connected with the tracheostoma for connecting the trachea with the surroundings. A check valve member is provided in the air passage, wherein the check valve member is normally closed but allows for inhalation through the air passage. The vocal valve further comprises a manually adjustable member for establishing a free air flow through the air passage at inhalation as well as exhalation.
Inventors:
Persson, Yang-Ube
Application Number:
JP2001501141A
Publication Date:
September 24, 2008
Filing Date:
May 24, 2000
Export Citation:
Assignee:
Atos Medical Actie Borrag
International Classes:
A61B17/24; A61F2/20; A61M16/04
Domestic Patent References:
| JP9506801A | ||||
| JP61182715U |
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Fukumoto product
Masaya Nishiyama
Higuchi Souji
Jun Tsuruta
Fukumoto product
Masaya Nishiyama
Higuchi Souji