| 摘要 |
A mouth prop for insertion in use between the opposed tooth or gum regions of the patient's mandible or maxilla to space the patient's incisors thereapart, the mouth prop having a grippable portion which a clinician can use for assisting in the location and removal of the mouth prop and can be supplied with elements for delivering and/or sampling gases to or in the mouth and/or nasal region of a patient. |
