Abstract: A face mask assembly according to the present invention, includes a mask body. The inside of the mask body is of a size and shape to substantially conformally fit over the oral and nasal region of a patient's face. The mask body forms a receptacle and an opening above the receptacle. The face mask assembly also includes an inlet connection device connected to the receptacle and a hose connected to the inlet connection device. The hose is in open communication with the inside of the mask body to supply gas, normally oxygen. The opening formed above the receptacle is of sufficient size and shape to allow use of a medical scope such as an endoscope or a bronchoscope or a transesophogeal echocardiography scope or similar device. A closure flap substantially closes the opening when the opening is not being used for a medical scope. A port, also connected to the receptacle, is used to sample end of tidal carbon dioxide.

Abstract: A strap is disclosed for a human user. The strap includes a support for the chin of the user, a first support for a first mandible of the user, a second support for the second mandible of the user, and means for securing the strap to the head of the user. The first mandible support is affixed to one side of the chin support and the second mandible support is affixed to the opposite side of the chin support. In a preferred form, the first mandible support and the second mandible support are each from about 1.5 inches wide to about 3 inches wide, and in a preferred range, the first mandible support and the second mandible support are each from about 1.75 inches wide to about 2.25 inches wide. In a preferred embodiment of a strap according to the present invention, the first mandible support is at an angle to the second mandible support of from about 90 degrees to about 140 degrees when the strap is opened flat, as it would be before it is place on the user.

Abstract: A strap is disclosed for a human user. The strap includes a support for the chin of the user, a first support for a first mandible of the user, a second support for the second mandible of the user, and means for securing the strap to the head of the user. The first mandible support is affixed to one side of the chin support and the second mandible support is affixed to the opposite side of the chin support. In a preferred form, the first mandible support and the second mandible support are each from about 1.5 inches wide to about 3 inches wide, and in a preferred range, the first mandible support and the second mandible support are each from about 1.75 inches wide to about 2.25 inches wide. In a preferred embodiment of a strap according to the present invention, the first mandible support is at an angle to the second mandible support of from about 90 degrees to about 140 degrees when the strap is opened flat, as it would be before it is place on the user.