A capnography system includes a CO.sub.2 sensing system having a CO.sub.2 sensor configured to measure a CO.sub.2 concentration in exhaled breath of a subject, a processor configured to derive one or more breath related parameters based on the measured CO.sub.2 concentration, and a communication unit. The capnography system includes a tubing system configured to allow flow of respiratory gasses therethrough. The tubing system includes a connector configured to connect the tubing system to the CO.sub.2 sensing system and a communication component configured to provide an indication of a type of the tubing system to the communication unit. The communication unit is configured to transfer data to the processor based on the indication obtained from the communication component, and the processor is configured to change or suggest a change of an operation mode of the CO.sub.2 sensing system based on the data.

An intubation device assembly includes an intubation device, an optical imaging device attached to the intubation device, an image display device attached to the intubation device, a first position sensor operatively connected to the image display device, a second position sensor operatively connected to the intubation device, and a force sensor operatively connected to the intubation device. A controller operates the image display device to display a video image of the optical imaging device and at least one parameter corresponding to an operation of at least one of the optical imaging device, the first position sensor, the second position sensor, and the force sensor. The controller further determines an orientation of a screen of the image display device according to an operation of the first position sensor. The controller displays the least one parameter in a position on the screen according to the orientation of the screen.

A method of displaying information associated with an application of an intubation device includes detecting an orientation of a screen attached to the intubation device, and setting a template for displaying values of a parameter associated with one of the plurality of sensors in a display window on the screen according to the orientation of the screen. The method includes receiving data from the plurality of sensors, and continuously displaying a video image from an optical imaging device during an intubation of a patient and periodically displaying on a portion of the screen a display window including a value of the parameter according to the data received instead of a part of the video image. Setting the template includes setting a frequency of display, a size, or a color for the parameter.

A method of approximating a position of an oxygen mask during a procedure includes detecting a presence of the oxygen mask based on a signal from a sensor or through an observation through an optical imaging device; determining whether the oxygen mask is close to or on a patient for supplying oxygen to the patient; detecting a removal of the oxygen mask from the patient to stop supplying oxygen to the patient; initiating a desaturation timer in response to the sensor or the optical imaging device detecting the removal of the oxygen mask from the patient; and operating an image display device to display a parameter for the oxygen desaturation timer.

A medical system for assisting with an intubation procedure for a patient. The system comprising airflow sensors configured to obtain data indicative of airflow in the patient's airway and physiological sensors configured to obtain information regarding airflow in the patient's lungs. The system further including a monitoring device communicatively coupled to the airflow sensors and the physiological sensors. The patient monitoring device comprising at least one processor coupled to memory and configured to: provide a user interface on a display and assist the rescuer in determining proper placement of an endotracheal tube, receive the data indicative of the airflow in the patient's airway, receive the physiological information regarding the airflow in the patient's lungs, and determine whether the tube is properly placed based on the received physiological information, and present an output of the determination of whether the ET tube was properly placed.

The present invention relates generally to a method and device for creating a camera-visualizing system for both immediately viewing and documenting/storing placement of an endotracheal tube and reviewing position during an operation or otherwise, while the patient is still intubated. This invention's embodiments include an entirely disposable system with light source and camera, placed via a circuit tube which connects to the endotracheal tube and ventilator tubing in a Y-shaped fashion, with optional introduction of suction catheter in the same camera tube or separately. The system's ability to house the camera allow a cleaner and more concise, convenient environment compared to alternatives. Ability to record data, either using camera photographs or videos, as well as transfer this to become part of a temporary or permanent medical record including electronic medical record, is noted.

The invention relates to a respiratory device (10) for the artificial respiration of a patient (12), comprising:—a respiration gas source assembly (15, 62),—a flow-changing device (16),—a humidifier device (38) which is designed to increase the value of the absolute humidity of the inspiratory respiration gas flow (AF), said humidifier device (38) having a liquid store (40) and an evaporation device (76) with a variable output for this purpose,—a respiration gas line assembly (30) in order to convey the inspiratory respiration gas flow (AF) from the dehumidifying device (38) to the patient (12),—a flow sensor (44) which detects the value of the respiration gas flow (AF), and—a controller (18) which is designed to control the operational output of the evaporation device (76) depending on a specified target humidity of the respiration gas and depending on signals of the flow sensor (44), the proximal end (30a) of said respiration gas line assembly (30) having a coupling formation (44a) for coupling the respiration gas line assembly (30) to a patient interface (31) that transfers respiration gas to the patient (12). According to the invention, the controller (18) is designed to detect a sequence state of the respiration situation downstream of the coupling formation (44a) in the inspiratory direction depending on operational parameters of the respiratory device (10) and change the operational output of the evaporation device (76) depending on the result of the detection

A butyric acid detection based platform for verifying placement of a patient airway device or a gastric tube comprising at least one of i) a colorimetric based butyric acid detection platform, ii) a bioelectronic sensors based butyric acid detection platform using olfactory receptors, and iii) an IR based butyric acid detection platform. Each platform comprises a housing coupled to the patient airway device or gastric tube whereby flow from the coupled patient airway device or a gastric tube can flow through an internal passage of the housing; and wherein sensors within the housing come into contact with the flow from the coupled patient airway device or a gastric tube, the sensors including at least one of a chemical sensor array including at least one of i) colorimetric based butyric acid sensor, ii) a bioelectronic butyric acid detection sensor using olfactory receptors, and iii) an IR based butyric acid sensor.

An endotracheal tube insertion apparatus configured to assist in the proper placement of an endotracheal tube during patient intubation. The present invention includes an external member wherein the external member has a housing with an arcuate formed bottom surface configured to be superposed a patient's neck during intubation. The external member includes a proximity sensor and a magnet. The endotracheal tube insertion apparatus further includes an insertion member that is elongated in form and has movably coupled thereto an end member. The end member is positioned so as to extend beyond the end of the endotracheal tube. The end member includes a proximity tag member and a magnet member wherein the magnet member is configured to be attracted to the magnet located in the external member so as to guide the endotracheal tube to the correct location. A plurality of lights further provides visual confirmation of the proper location.

A continuous positive airway pressure system comprises an inspiratory portion, an expiratory portion, and a controller. The inspiratory portion is coupled to a patient interface to provide an airflow with positive pressure to a patient. The inspiratory portion includes a first sensor to measure a pressure and/or a flow rate of the airflow at the inspiratory portion. The expiratory portion is coupled to the patient interface to receive air exhaled from the patient. The expiratory portion includes a second sensor for measuring a pressure and/or a flow rate of the air exhaled at the expiratory portion. The controller (i) determines a pressure at the patient interface based on the measured pressures and/or the flow rates of the airflow at the inspiratory portion and the air exhaled at the expiratory portion and (ii) modifies the airflow provided by the inspiratory portion based on the determined pressure.