Devices systems and methods are disclosed for removing secretions from the lumen of a functional assessment catheter for the lungs. The system comprises a flushing unit configured to deliver a clearing fluid to the lumen of the pulmonary catheter to remove debris, secretions, or moisture from the lumen or sensors.

The tube has a first lumen with a proximal end and an open distal end to be placed inside a body cavity. An outer wall encloses the first lumen and a camera lumen. A camera module (10) is arranged in the camera lumen at a distal end thereof so that the camera module is positioned adjacent the distal end of the first lumen. An image transmission cable (13) attached to the camera module extends through the camera lumen to connect to an image display device. The camera module is fixed in the camera lumen by means of a camera housing (14) including a tubular housing part (17) surrounding the camera module and a distal end wall (18). The tubular housing part and the distal end wall are integrally moulded and form one single housing element (19). The tubular housing part fits tightly into the camera lumen of the tube.

A method for guiding suction of an obstruction may comprise emitting sound waves from a sound generator into a tube, detecting returning acoustic reflections with at least one sound receiver, analyzing, using a processor, timings and amplitudes of the returning acoustic reflections to determine a location and size of an obstruction within the tube and a location of a tip of a suction catheter, and guiding the suction catheter to the obstruction.

An oxygen catheter for veterinary patients includes an integrated catheter, cannula or vessel having integrated lumens for both oxygen and anesthetic such as lidocaine. The oxygen lumen extends into the trachea of the veterinary patient, often a canine, for respiratory aid. The anesthetic lumen is integrated into the same catheter as the oxygen, and terminates prior to the oxygen lumen for administering an anesthetic such as lidocaine around the soft palate to ease discomfort of the inserted catheter. The integration of the respiratory and anesthetic vessels allows a lidocaine drip to accompany the catheterized oxygen supply to medicate the tracheal, pharynx and soft palate regions from the inserted catheter along the path of the oxygen lumen to ease patient discomfort and anxiety for effective respiratory treatment while avoiding more invasive and expensive measures.

The present invention discloses a device for removing sputum scabs of a respiratory tract, comprising an outer housing. A fluid hole is designed on a removing part at the front end of the outer housing, and the fluid hole is respectively communicated with a liquid pump and an air pump, so that the device can be extended into the lower respiratory tract of the patient during use. Then, the sputum scabs attached to the inner wall of the respiratory tract can be softened and removed by alternately spraying liquid and gas from the fluid hole, and the removed sputum scabs can be sucked out through negative pressure holes, so as to prevent the scabs of the secretions of the lower respiratory tract from blocking the tracheae.

A catheter having a distal end for insertion into a patient and including: a catheter tube enclosing at least a first catheter lumen and a vision lumen separated from the first catheter lumen, the first catheter lumen having a first distal opening at the distal end of the catheter; a window closing off a distal end of the vision lumen and having a planar interior window surface facing the vision lumen and a planar exterior window surface; and a vision device positioned in the vision lumen and having a vision module, such as a camera with an image sensor or an optical fibre, having an optical axis extending through the window; wherein the interior window surface and/or the exterior window surface is/are non-orthogonal with respect to the optical axis of the vision module, and the window surfaces are non-parallel.

A device adapted for maintaining an airway in a patient, the device comprising a mask, the mask adapted to form a seal around the laryngeal inlet when properly inserted into a patient and an airway tube for providing ventilation gases and/or anaesthetic gases through the mask and to the lungs of the patient when the device is properly inserted in a patient, wherein the airway tube has a first proximal opening and a second proximal opening.

A laryngeal mask apparatus includes a mask portion, a breathing tube and a suction tube. The suction tube is adapted for connection to a suction-producing device. The suction tube further includes suction ports that suck fluids and secretions from the patient's hypopharyngeal region when suction is created within the interior of the suction tube. The breathing tube is adapted for connection to a ventilating system. Air flows through the breathing tube and into the mask portion. A capillary tube is positioned within the interior of the suction tube. When the mask portion is positioned within a patient's throat and suction is created within interior of the suction tube, the suction ports suck the fluids and secretions in the patient's hypopharyngeal region. At the same time, the suction tube and capillary tube cooperate to provide a stream of air that decreases the direct suction forces on the mucosa of the patient's throat that are caused by the suction ports. The laryngeal mask apparatus includes a scope tube having an interior and an inner tube disposed within the interior of the scope tube. The inner tube is sized for receiving a gastric tube.

An example nasal airway tube includes a tubular body having a distal end and a proximal end. A surface at the distal end including an opening. The tubular body having an overall curvature with a radius of curvature defined relative to a longitudinal axis of the tube. An X-axis is defined by the longitudinal axis of the tube, and a Y-axis extends perpendicularly from the longitudinal axis and has a positive direction defined outwardly relative to the radius of curvature. At least a portion of the opening faces outwardly relative to the radius of curvature. A vector normal to a plane defined by the opening includes a positive Y-coordinate.

An add-on device and method for an Endo-Tracheal Tube (ETT), the add-on device including a lengthy body having a major arc-shaped cross section sized and shaped to tightly fit over an ETT, at least one longitudinal cavity passing along the lengthy body, including a distal suction cavity ending with a suction inlet at a distal end of the lengthy body; and a distal suction outlet channel extending from a proximal end of the lengthy body, the channel is a continuous extension of the distal suction cavity and configured to provide suction to the distal suction cavity. The add-on device senses moisture at a distal end of the add-on device, and in case of detection of excessive wetness, provides suction to the distal end of the device through a cavity passing along the device, the suction is provided via a suction outlet channel extending from a proximal end of the device.