Patent ID: 6722361
Filing Date: 2004-04-20
Classification: A61M

Abstract:
A positioning and bit-proof throat mask retainer; said throat mask retainer being a flexibly and slightly hard tube capable of being adhered to an upper side of a throat mask respiratory siphon; the throat mask comprising:a rear end comprising a lower side and an upper side; the lower side has a hollow cambered structure for matching an arc shape of the respiratory siphon; the upper side having a cambered shape conformed with the shape of an upper side of human oral cavity; an inner side of the lower side being lowered so as to receiving a respiratory siphon; and a front end of the retainer being bent upwards to form a resisting portion for resisting against an upper jaw of a patient; wherein a lateral side of the front end having an S shape, that is, the front end extending upwards from the rear end, then bending backwards toward the rear end and then further bending forwards; thereby, having a function of guiding and positioning the respiratory siphon; wherein when the patient contracts in surgery, the retainer is exactly positioned in the mouth of the patient; when teeth of the patient bit; since the retainer is hard and flexible, it resists against upper and lower teeth of the patient; thereby, the patient will not be hurt.