Endoscopic bite block

摘要

According to a preferred embodiment of the present invention there is provided a bite block assembly adapted for capnography and oxygen delivery to a subject, the bite block assembly (50) including a first capnography passageway adapted for passage therethrough of exhaled breath from the subject to a capnograph and a second oxygen delivery passageway, separate from the first passageway, adapted for passage therethrough of oxygen from an oxygen source to the mouth of the subject.

主权项

1. A detachably connectable bite block comprising:
a first hollow tubular portion configured for insertion into a subject's mouth, said first hollow tubular portion comprising, on an outer portion thereof, a second tubular portion configured to engage an oxygen supply tube and thereby to detachably connect said bite block with an oral-nasal cannula, such that when said oxygen supply tube is connected to said second tubular portion a valve is configured to open, and when said oxygen supply tube is disconnected from said second tubular portion the valve is configured to close; and a main body portion from which said first hollow tubular portion extends, said main body portion comprising a longitudinal groove configured to detachably accommodate an oral prong of said oral-nasal cannula, such that oral breath exhaled through said first hollow tubular portion is directed towards said groove for collection by said oral prong.