Adjuster for airway securing device and airway securing device

An adjuster for an airway securing device which is used in the airway securing device having an upper jaw side attachment body configured to be worn on an upper jaw side in an oral cavity of a patient and a lower jaw side attachment body configured to be worn on a lower jaw side in the oral cavity of the patient, the adjuster comprising:

• a base member configured to be fixed to a first one of the upper jaw side attachment body and the lower jaw side attachment body;
• a slide member configured to be fixed to a second one of the upper jaw side attachment body and the lower jaw side attachment body and capable of sliding with respect to the base member;
• and
• an adjusting bolt configured to slide the slide member with respect to the base member;
• wherein the base member is provided with a base member side half tube part which is formed in a substantially half tube shape;
• wherein the slide member is provided with a slide member side half tube part which is formed in a substantially half tube shape;
• wherein the base member side half tube part and the slide member side half tube part form a tube part in a substantially tube shape in which the adjusting bolt is disposed on an inner peripheral side;
• wherein a base end of the base member side half tube part configured to be fixed to the first one of the upper jaw side attachment body and the lower jaw side attachment body is formed with a base member side flange part which is enlarged in a flange shape;
• wherein a base end of the slide member side half tube part configured to be fixed to the second one of the upper jaw side attachment body and the lower jaw side attachment body is formed with a slide member side flange part which is enlarged in a flange shape;
• wherein an abutting face of the base member side flange part is configured to be abutted with the first one of the upper jaw side attachment body and the lower jaw side attachment body, and
• an abutting face of the slide member side flange part is configured to be abutted with the second one of the upper jaw side attachment body and lower jaw side attachment body.