Adjuster for airway securing device and airway securing device

1. 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.

2. The adjuster for an airway securing device according to claim 1 , wherein

the base member side flange part and the slide member side flange part are provided with curved plate parts which are enlarged along tooth rows of the patient.

3. The adjuster for an airway securing device according to claim 2 , wherein

the base member side flange part is formed with a through-hole penetrating through the base member side flange part, and

the slide member side flange part is formed with a through-hole penetrating through the slide member side flange part.

4. The adjuster for an airway securing device according to claim 2 , wherein

an outward form of the tube part becomes smaller as going toward a tip end of the tube part from a base end of the tube part, wherein

the tip end of the tube part is configured to be fixed to the upper jaw side attachment body and the lower jaw side attachment body.

5. The adjuster for an airway securing device according to claim 2 , wherein

the adjusting bolt is rotatably held by the base member, and

a tip end of the adjusting bolt disposed on a tip end side of the base member side half tube part is disposed on a base end side of the base member side half tube part relative to a tip end of the base member side half tube part.

6. The adjuster for an airway securing device according to claim 2 , wherein all parts including the adjusting bolt are formed of synthetic resin.

7. An airway securing device comprising:

the adjuster for an airway securing device as defined in claim 2 ;

the upper jaw side attachment body; and

the lower jaw side attachment body;

wherein the base member side flange part is fixed to the first one of the upper jaw side attachment body and the lower jaw side attachment body by potting resin which covers the base member side flange part; and

wherein the slide member side flange part is fixed to the second one of the upper jaw side attachment body and the lower jaw side attachment body by potting resin which covers the slide member side flange part.

8. The adjuster for an airway securing device according to claim 1 , wherein

the base member side flange part is formed with a through-hole penetrating through the base member side flange part, and

the slide member side flange part is formed with a through-hole penetrating through the slide member side flange part.

9. The adjuster for an airway securing device according to claim 1 , wherein

an outward form of the tube part becomes smaller as going toward a tip end of the tube part from a base end of the tube part, wherein

the tip end of the tube part is configured to be fixed to the upper jaw side attachment body and the lower jaw side attachment body.

10. The adjuster for an airway securing device according to claim 1 , wherein

the adjusting bolt is rotatably held by the base member, and

a tip end of the adjusting bolt disposed on a tip end side of the base member side half tube part is disposed on a base end side of the base member side half tube part relative to a tip end of the base member side half tube part.

11. The adjuster for an airway securing device according to claim 1 , wherein all parts including the adjusting bolt are formed of synthetic resin.

12. An airway securing device comprising:

the adjuster for an airway securing device as defined in claim 1 ;

the upper jaw side attachment body; and

the lower jaw side attachment body;

wherein the base member side flange part is fixed to the first one of the upper jaw side attachment body and the lower jaw side attachment body by potting resin which covers the base member side flange part; and

wherein the slide member side flange part is fixed to the second one of the upper jaw side attachment body and the lower jaw side attachment body by potting resin which covers the slide member side flange part.