Methods, systems, and devices for generating optimal knob settings for ventilators using machine learning techniques are described. A system may collect a set of data associated with a target subject. The system may select a protocol based on the set of data, the protocol including settings associated with delivering therapy to the target subject via a device. The system may perform a control measure in response to selecting the protocol. Performing the control measure includes delivering the therapy to the target subject, via the device, based on the protocol. The set of data may include physiological information associated with the target subject or demographics information associated with the target subject.

Several methods of supporting respiratory function of a patient before, during and/or after a medical procedure are disclosed. In certain arrangements, supporting respiratory function while a patient is under general anaesthesia can include providing a high gas flow a high gas flow that is greater than 15 L/min while the patient is under general anaesthesia. In certain arrangements, a method of providing ventilation while a patient is under general anaesthesia involves providing only a gas flow delivered through a nasal interface that is greater than 15 L/min while the patient is under general anaesthesia

Several methods of supporting respiratory function of a patient before, during and/or after a medical procedure are disclosed. In certain arrangements, supporting respiratory function while a patient is under general anaesthesia can include providing a high gas flow a high gas flow that is greater than 15 L/min while the patient is under general anaesthesia. In certain arrangements, a method of providing ventilation while a patient is under general anaesthesia involves providing only a gas flow delivered through a nasal interface that is greater than 15 L/min while the patient is under general anaesthesia

A sedation device (1) has a housing (2) having a ventilator chamber (3) and an associated patient chamber (4) in communication with the ventilator chamber (3). A filter (5) is mounted between the ventilator chamber (3) and the patient chamber (4) and forms a common gas-permeable dividing wall between the ventilator chamber (3) and the patient chamber (4). An inlet port (6) is provided on the ventilator chamber (3) for connection via a Y-piece to a ventilator. An outlet port (9) of the patient chamber (4) connects via a patient breathing tube (10) with a patient. An associated pair of inserts are provided, namely a first insert (14) fixedly mounted in the ventilator chamber (3) and a second insert (15) fixedly mounted in the patient chamber (4). One or both of these inserts (14, 15) are mounted within the housing (2) to vary the internal volume of the housing (2) as required to suit different patients. The inserts (14, 15) are nestably engageable with an inner wall of the housing (2).

A sedation device (1) has a housing (2) having a ventilator chamber (3) and an associated patient chamber (4) in communication with the ventilator chamber (3). A filter (5) is mounted between the ventilator chamber (3) and the patient chamber (4) and forms a common gas-permeable dividing wall between the ventilator chamber (3) and the patient chamber (4). An inlet port (6) is provided on the ventilator chamber (3) for connection via a Y-piece to a ventilator. An outlet port (9) of the patient chamber (4) connects via a patient breathing tube (10) with a patient. An associated pair of inserts are provided, namely a first insert (14) fixedly mounted in the ventilator chamber (3) and a second insert (15) fixedly mounted in the patient chamber (4). One or both of these inserts (14, 15) are mounted within the housing (2) to vary the internal volume of the housing (2) as required to suit different patients. The inserts (14, 15) are nestably engageable with an inner wall of the housing (2).

The present invention provides a new inhaler device for the administration of inhalable liquids to a patient offering one or more advantages or improvements over known inhalers, particularly inhalers for the delivery of halogenated volatile liquids such as methoxyflurane for use as an analgesic.

The present invention provides a new inhaler device for the administration of inhalable liquids to a patient offering one or more advantages or improvements over known inhalers, particularly inhalers for the delivery of halogenated volatile liquids such as methoxyflurane for use as an analgesic.

Oral gas catheters and methods of inducing gas in a patient orally. The oral gas catheter includes one or more delivery cannulas configured to be inserted into the patient's mouth with a distal end of the delivery cannula disposed adjacent the patient's laryngeal inlet, and a clip disposed on the delivery cannula. The clip is configured to secure the delivery cannula to a tooth of the patient. The oral gas catheter may have two such delivery cannulas and clips with the delivery cannulas coupled together by a coupler. The delivery cannulas are placed in an operative position in a patient's mouth and secured in the operative position by releasably securing the clips to the patient's teeth. The oral gas catheter makes it possible to bypass the nasal cavity and deliver oxygen or other gas directly adjacent the laryngeal entrance and into an anatomical dead space of the airway.

Systems and methods for nitric oxide generation are provided. In an embodiment, an NO generation system can include a controller and disposable cartridge that can provide nitric oxide to two different treatments simultaneously. The disposable cartridge has multiple purposes including preparing incoming gases for exposure to the NO generation process, scrubbing exhaust gases for unwanted materials, characterizing the patient inspiratory flow, and removing moisture from sample gases collected. Plasma generation can be done within the cartridge or within the controller. The system has the capability of calibrating NO and NO.sub.2 gas analysis sensors without the use of a calibration gas.

A method of determining a duration of safe apnoea. Information is obtained relating to a respiratory indicator, and a duration of safe apnoea is determined from the obtained information. A respiratory therapy system has one or more patient interfaces. A processor is configured to determine a duration of safe apnoea based on obtained information relating to a respiratory indicator.