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.

The present invention provides an apparatus for nasally delivering a supraglottic jet ventilation and methods of treating breathing disorders by utilizing the apparatus for nasally delivering a supraglottic jet ventilation.

An endotracheal tube comprises a main lumen for delivering a breathing gas into a lung of a patient, and a cuff, mounted at a distal end of the endotracheal tube, to be located in the subglottal region of the patient. The endotracheal tube also comprises a cuff inflation lumen for inflating the cuff, and at least three additional lumens, other than the main lumen and the cuff inflation lumen, configured for delivering liquid to the subglottal region, for suctioning liquid from the subglottal region, and for venting the subglottal region.

A device for use in delivering oxygen to a human patient while measuring carbon dioxide exhaled from that patient, comprises: (a) a base member having an oxygen delivery inlet port and a carbon dioxide detection outlet port formed therein separate from the oxygen delivery port; (b) a flexible cannula extending from the base, the cannula having a proximal end portion, an intermediate portion, a distal end portion, a first lumen formed therein, and a second lumen separate from the first lumen formed therein, with the distal end portion connected to the base member, the first lumen in fluid communication with the oxygen delivery inlet port, and the second lumen in fluid communication with the carbon dioxide detection outlet port.

Systems, devices, and methods are disclosed for the cleaning of an endotracheal tube while a patient is being supported by a ventilator connected to the endotracheal tube for the purpose of increasing the available space for airflow or to prevent the build up of materials that may constrict airflow or be a potential nidus for infection. In one embodiment, a mechanically-actuated endotracheal tube cleaning device is configured to removably receive a visualization member to provide cleaning of the endotracheal tube under direct visualization.

An improved medical capnographysystem (22) automatically determines the effect of therapy on the underlying patient. The system enable the determination of proper endotracheal tube or advanced airway placement, the effectiveness of CPR, and the occurrence of the return of spontaneous circulation (ROSC) or loss of spontaneous circulation by use of a therapy analyzer (36) implementing an analyze therapy algorithm (336). The system may be implemented in platform-independent hardware or software.

An apparatus and method for resuscitating a patient suffering from cardiac arrest or another condition in which normal circulation has been interrupted. A ventilator is used for delivering a gas mixture to the patient. The ventilator is configured to adjust the partial pressure of CO2 to one or more partial pressures high enough to slow expiration of CO2 from the patient's lungs and thereby maintain a reduced pH in the patient's tissues for a period of time following return of spontaneous circulation.

A liquid ventilation system includes a reservoir holding a perfluorochemical (PFC) fluid, and a suction pump connected to the reservoir to reduce pressure within the reservoir. A sensor is configured to measure an intra-lung pressure. An appliance is configured to be disposed within a patient. The appliance carries an injector to supply the PFC fluid through the appliance. An extraction valve is disposed on an extraction line between the appliance and the reservoir. The extraction valve is arrangeable between a first position enabling fluid communication from the appliance to the reservoir and a second position disabling fluid communication from the appliance to the reservoir.

Systems, methods, and devices for facilitating insertion of an endotracheal tube and/or for verifying the position of the endotracheal tube within an airway of a patient with respect to an anatomical landmark of a patient are disclosed. Systems, methods, and devices for facilitating removal of debris from the distal airways of a patient under direct visualization are also disclosed.

An intubation system of the present disclosure intubates based on an airway pattern indicating a trachea opening. The airway pattern is determined from analysis of airway data detected by a trachea identifying device disposed on a moveable guide stylet of the intubation system. A navigation element is generated based on the airway pattern. In one embodiment, the airway pattern is a gas exchange pattern indicating a trachea opening. In another embodiment, the trachea opening transition pattern is a topographic pattern indicating a trachea opening. The guide stylet is capable of moving in a plurality of degrees of freedom in the airway following the guidance from the navigation element.