Devices for influencing the respiratory system of patients by gas treatment

AHUMAN NECESSITIES A61Medical science A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR

A61M16/00Devices for influencing the respiratory system of patients by gas treatment

A61M16/0003Accessories therefor A61M16/0006with means for creating vibrations in patients' airways A61M16/0009with sub-atmospheric pressure A61M16/0012by Venturi means A61M16/0045Means for re-breathing exhaled gases A61M16/0048Mouth-to-mouth respiration A61M16/0051with alarm devices A61M16/0054Liquid ventilation A61M16/0057Pumps therefor A61M16/006Tidal volume membrane pumps A61M16/0063Compressors A61M16/0066Blowers or centrifugal pumps A61M16/0069the speed thereof being controlled by respiratory parameters A61M16/0072Tidal volume piston pumps A61M16/0075Bellows-type A61M16/0078Breathing bags A61M16/0081Bag or bellow in a bottle A61M16/0084self-reinflatable by elasticity A61M16/0087Environmental safety or protection means A61M16/009Removing used or expired gases or anaesthetic vapours A61M16/0093by adsorption, absorption or filtration A61M16/0096High frequency jet ventilation A61M16/01specially adapted for anaesthetising A61M16/04Tracheal tubes A61M16/0402Special features for tracheal tubes not otherwise provided for A61M16/0404with means for selective or partial lung respiration A61M16/0406implanted flow modifiers A61M16/0409with mean for closing the oesophagus A61M16/0411with means for differentiating between oesophageal and tracheal intubation A61M16/0415with access means to the stomach A61M16/0418with integrated means for changing the degree of curvature A61M16/042with separate conduits for in-and expiration gas A61M16/0422Laser-resistant A61M16/0425Metal tubes A61M16/0427with removable and re-insertable liner tubes A61M16/0429with non-integrated distal obturators A61M16/0431with a cross-sectional shape other than circular A61M16/0434Cuffs A61M16/0436Special fillings therefor A61M16/0438Liquid-filled A61M16/044External cuff pressure control or supply A61M16/0443Special cuff-wall materials A61M16/0445Special cuff forms A61M16/0447Bell, canopy or umbrella shaped A61M16/045with cuffs partially or completely inflated by the respiratory gas A61M16/0452following the inspiration and expiration pressure A61M16/0454Redundant cuffs A61M16/0456one cuff within another A61M16/0459one cuff behind another A61M16/0461Nasoendotracheal tubes A61M16/0463combined with suction tubes, catheters or the like; Outside connections A61M16/0465Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor A61M16/0468with valves at the proximal end limiting exhalation A61M16/047Masks, filters, surgical pads, devices for absorbing secretions, specially adapted therefor A61M16/0472Devices for performing a tracheostomy A61M16/0475having openings in the tube A61M16/0477with incorporated means for delivering or removing fluids A61M16/0479above the cuff A61M16/0481through the cuff wall A61M16/0484at the distal end A61M16/0486Multi-lumen tracheal tubes A61M16/0488Mouthpieces; Means for guiding, securing or introducing the tubes A61M16/049Mouthpieces A61M16/0493with means for protecting the tube from damage caused by the patient's teeth A61M16/0495with tongue depressors A61M16/0497Tube stabilizer A61M16/06Respiratory or anaesthetic masks A61M16/0605Means for improving the adaptation of the mask to the patient A61M16/0611with a gusset portion A61M16/0616with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure A61M16/0622having an underlying cushion A61M16/0627with sealing means on a part of the body other than the face A61M16/0633with forehead support A61M16/0638in the form of a pivot A61M16/0644having the means for adjusting its position A61M16/065in the form of a pivot A61M16/0655in the form of a linear or curvilinear slide A61M16/0666Nasal cannulas or tubing A61M16/0672Nasal cannula assemblies for oxygen therapy A61M16/0677Gas-saving devices therefor A61M16/0683Holding devices therefor A61M16/0688by means of an adhesive A61M16/0694Chin straps A61M16/08Bellows Connecting tubes ; Water traps; Patient circuits A61M16/0808Condensation traps A61M16/0816Joints or connectors A61M16/0825with ball-sockets A61M16/0833T- or Y-type connectors A61M16/0841for sampling A61M16/085Gas sampling A61M16/0858Pressure sampling ports A61M16/0866Passive resistors therefor A61M16/0875Connecting tubes A61M16/0883Circuit type A61M16/0891Closed circuit A61M16/10Preparation of respiratory gases or vapours A61M16/1005with O2 features or with parameter measurement A61M16/101using an oxygen concentrator A61M16/1015using a gas flush valve A61M16/104specially adapted for anaesthetics A61M16/1045Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas A61M16/105Filters A61M16/1055bacterial A61M16/106in a path A61M16/1065in the expiratory path A61M16/107in the inspiratory path A61M16/1075by influencing the temperature A61M16/108before being humidified or mixed with a beneficial agent A61M16/1085after being humidified or mixed with a beneficial agent A61M16/109the humidifying liquid or the beneficial agent A61M16/1095in the connecting tubes A61M16/12by mixing different gases A61M16/122with dilution A61M16/125Diluting primary gas with ambient air A61M16/127by Venturi effect A61M16/14by mixing different fluids, one of them being in a liquid phase A61M16/142with semi-permeable walls separating the liquid from the respiratory gas A61M16/145using hollow fibres A61M16/147the respiratory gas not passing through the liquid container A61M16/16Devices to humidify the respiration air A61M16/161with means for measuring the humidity A61M16/162Water-reservoir filling system A61M16/164including a liquid inlet valve system A61M16/165with a float actuator A61M16/167acting vertically on the valve A61M16/168having a dual float A61M16/18Vaporising devices for anaesthetic preparations A61M16/183Filling systems A61M16/186Locking systems A61M16/20Valves specially adapted to medical respiratory devices A61M16/201Controlled valves A61M16/202electrically actuated A61M16/203Proportional A61M16/204used for inhalation control A61M16/205used for exhalation control A61M16/206Capsule valves A61M16/207Membrane valves with pneumatic amplification stage A61M16/208Non-controlled one-way valves A61M16/209Relief valves A61M16/22Carbon dioxide-absorbing devices; Other means for removing carbon dioxide