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Means for supplying respiratory gas under positive pressure

Subclass of:

128 - Surgery


Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
128204210 Electric control means 489
128205250 Face mask covering a breathing passage 161
128205240 Valve, or valve control, structure 98
128205120 Means for removing substance from respiratory gas 60
128205130 Respiratory gas supplied from expandable bag, bellows, or squeeze bulb 35
128204260 Gas supply means responsive to breathing 20
128205230 Indicator structure 20
128205260 Atmosphere enclosure (e.g., oxygen tent, hyperbaric chamber for pressurizing whole body, etc.) 19
128204250 Gas stream passed through jet nozzle or venturi passage 10
128204290 Control means responsive to variation in ambient pressure 8
128205110 Means for varying air/oxygen ratio 8
128205220 Gas container supported on body 6
128204190 Permanent magnet included in gas flow control means 4
20090288660NEGATIVE-PRESSURE ORAL APPARATUS AND METHOD FOR MAINTAINING NEGATIVE ORAL PRESSURE AND COLLECTING LIQUID - The present invention discloses a negative-pressure oral apparatus capable of relieving discomfort of soft tissues in the oral cavity and improving fixation of the oral apparatus to prevent the oral apparatus from falling off due to mouth opening. The oral apparatus is compact and elastic so that it fits various shapes and sizes of the oral cavity and is easy to be put on and taken off to provide convenience and safety to the user. In another embodiment, a method for maintaining a negative oral pressure and collecting liquid by coupling the oral apparatus to a liquid collecting apparatus capable of effectively providing the oral cavity with a negative pressure to expel liquid in the oral apparatus and deliver the liquid to an absorbing element in the liquid collecting apparatus so as to prevent liquid leakage or contamination.11-26-2009
20090114221Method and apparatus for backspill prevention - A backspill prevention apparatus prevents water from a humidifier portion of a positive airway pressure (PAP) device from reaching a blower motor of a PAP device. The backspill prevention apparatus can include a variety of different devices, and is placed somewhere along an air passageway between a blower motor and a humidifier portion of a PAP device.05-07-2009
20110114093AUTOMATIC FITMENT DETECTION AND FLOW CALIBRATION USING NON-CONTACT SENSING IN POWERED AIR PURIFYING RESPIRATORS - A method and apparatus for operating an powered, air-purifying respirator. The apparatus includes an air mask, an air pump, a hose connecting the mask to the air pump, a magnetic actuator disposed on a portion of the hose that engages a housing of the air pump and a controller that provides a predetermined air flow from the pump to the mask based upon a magnetic flux from the actuator.05-19-2011
20120325210COCKPIT OXYGEN MASK - A cockpit oxygen mask includes a mask body, an oxygen inhalation valve, a mixed air inhalation valve, an exhalation valve as well as a control device. At least the oxygen inhalation valve is signal-connected to the control device. The oxygen inhalation valve is designed as an electromagnetically actuatable valve, and includes at least one throughflow path which may be closed by a magnetically movable valve body, wherein the throughflow path is limited by a magnetizable wall, and wherein the wall includes at least one discontinuous location which deforms a magnetic field produced in the wall.12-27-2012
128205180 Gas supplied by piston pump 2
20130032151PUMP AND EXHALATION VALVE CONTROL FOR RESPIRATOR APPARATUS - Double acting respirator pump apparatus including a pump member reciprocable with respect to two pump chambers to deliver air to a patient via a respirator exhalation system, which also facilitates exhalation of the patient. The exhalation system has a pump unit that is operatively connected to an exhalation valve member and configured for selectively generating an air pressure sufficient for pressurizing one side of the valve member for closing the same when said exhalation system is operating in inhalation mode, and may be operated for opening to allow the patient to exhale therethrough.02-07-2013
20090014002AIR FILTER ASSEMBLY - A respirator is disclosed that includes a respirator housing, a filtration media element disposed adjacent the respirator housing, and a respiration assist pump adjacent the filtration media element. The respiration assist pump assists the flow of gas through the filtration media element. In addition, a filtration module is disclosed and includes a filtration media element having a photocatalytic agent and a photon source and a gas pump coupled to the filtration media element to assist the flow of gas through the filtration media element. Methods of providing a respirator air stream are also disclosed.01-15-2009
128205190 Suction means for assisting exhalation 2
20110192401CLOSED RESPIRATORY SUCTION SYSTEM - The present invention concerns a respiratory suction system for providing ventilation of a patient's respiratory tract, the system comprising an elongated catheter with a distal end, a manifold defining a flow path in a ventilator circuit and comprising access structure allowing the catheter to be advanced through the manifold and into a respiratory tract of a patient, the access structure including a valve which is openable in response to the advancement of the catheter through the valve and into the flow path. The valve has a proximal end has an annular outer flange section, a distal end and a tubular body extending between the proximal end and the distal end, the tubular body having a plurality of valve members extending from the annular flange section to the distal end which has end surfaces wherein a plurality of radial slits are provided, extending from the center towards the periphery and thereby separating the valve members at the distal end.08-11-2011
20100012126Device for removing pulmonary secretions - A device for removing bronchopulmonary secretions of a patient provides for a duct, an expansion chamber and means for accelerating the exhaled air.01-21-2010
128205210 Means broken or pierced to supply gas 2
20130025600DISPOSABLE CARTRIDGE FOR HOLDING COMPRESSED MEDICAL GAS - A disposable cartridge for holding compressed medical gas includes a substantially cylindrical canister. The canister is delivered by an elongate cylindrical body that is tapered to a reduced diameter end portion having a discharge port or opening formed therein. The discharge port is covered by a pierceable tip that seals the canister to hold compressed medical gas with an interior chamber of the canister. The tip is selectively punctured to discharge the medical gas through the opening for use in a medical procedure.01-31-2013
20090188504MECHANICALLY ACTUATED EMERGENCY OXYGEN DELIVERY SYSTEM - An emergency oxygen system includes: a pressure vessel containing pressurized oxygen; a rupturable seal that confines the oxygen within the vessel until the seal is ruptured; and a valve assembly for controlling the oxygen release and delivery to an aircraft passenger. The valve assembly includes: a valve body with an oxygen outlet connected to the pressure vessel; and a threaded poppet mounted within the valve body whose first end is a pierce point in contact with the seal. The system further includes a pulley that is rotatably connected to the valve body and engages the second end of the poppet; a cable attached to the pulley to effect its rotation; and an oxygen breathing mask connected to the oxygen outlet. Actuation of the cable causes the pulley to rotate and the threaded poppet to move laterally towards the seal, which results in rupture of the seal and allows oxygen to flow through the oxygen outlet to the mask.07-30-2009
128204240 Fluidic control device utilizing Coanda effect or jet impingement to alter fluid flow 1
20080210237Flow diverter for controlling the pressure and flow rate in CPAP device - A flow diverter valve is used in controlling the pressure and/or flow rate of a breathable gas supplied to the airways of a patient by a breathable gas flow generator supply apparatus during, for example, ventilatory assistance treatments such as non-invasive positive pressure ventilation and nasal Continuous Positive Airway Pressure (CPAP) treatment of Obstructive Sleep Apnea. The flow diverter valve includes a vane and a housing. The housing has an inlet port, an outlet port, and an exhaust port. The exhaust port opens to atmosphere, and the inlet port is in fluid communication with the flow generator. The outlet port is in fluid communication with a patient mask via a conduit. The vane is configured with respect to the housing such that a blower associated with the CPAP apparatus remains substantially unchoked, regardless of whether the vane is in the open or closed position.09-04-2008
20090277447SYSTEM, METHOD, AND DEVICE TO INCREASE CIRCULATION DURING CPR WITHOUT REQUIRING POSITIVE PRESSURE VENTILATION - In one embodiment, the invention provides a method for performing cardiopulmonary resuscitation which comprises: 1) interfacing an airway system with a patient's airway, wherein the airway system includes at least a first lumen and a second lumen; 2) repeatedly performing CPR chest compressions on the patient; and simultaneously with the CPR chest compressions; 3) applying a continuous vacuum to the first lumen for a period of time ranging from 10 seconds to the end of the CPR chest compressions; and 4) injecting an effective volume of oxygen gas into the person's lungs at high velocity through the second lumen.11-12-2009
20100024818CLOSED SUCTION CATHETER ADAPTER WITH FLUSH ARRANGEMENT - A respiratory apparatus including an adapter assembly and a catheter assembly. The adapter assembly includes ventilator, respiratory, access, and flush ports. The access port includes a conduit defining a passageway. The flush port projects from the conduit and is fluidly open to the passageway at an outlet. The catheter assembly includes a catheter assembled to a fitting. The fitting includes a hub and a tube, with the tube defining an exterior surface, an interior surface forming a lumen, a circumferential groove in the exterior surface, and a plurality of apertures fluidly open to the lumen and the circumferential groove. The tube is sized to be slidably received within the passageway such that upon final assembly, a fluid pathway is formed between the flush port and a distal end of the catheter via the flush port outlet, the circumferential groove, the plurality of apertures, and the lumen.02-04-2010
20110180070ADJUSTABLE CONDUIT COUPLING ASSEMBLY - A conduit coupling assembly for use in connection with a patient interface device. The conduit coupling assembly includes a coupling retention assembly for retaining the conduit coupling in a predetermined position with respect to the user's face, and an adjustment assembly that permits continuous adjustment of a position of the conduit coupling with respect to a user's face. The conduit coupling assembly is continuously adjustable and retainable in an adjusted position and orientation by the adjustment assembly.07-28-2011
20090194108ADJUSTABLE PRESSURE DEVICE AND SYSTEM THEREOF - An adjustable airway pressure system is provided. The system may include a cap and a canister. The cap may include a substantially hollow conduit having indicia indicative of a plurality of airway pressure values and adapted to receive and output exhaled gas. The conduit may have screw threads on an exterior surface of the conduit. The cap may also include an adjust collar circumscribing the conduit and having an interior surface with a second plurality of screw threads. The second plurality of screw threads may couple and be complementary to the first plurality of screw threads such that a rotation of the adjust collar causes the conduit to move in a substantially vertical direction. The conduit may be adapted to be adjusted to heights along a continuum. The canister may contain liquid and receive the conduit such that the received exhaled gas is output from the conduit into the liquid.08-06-2009
20100012122OPEN-CIRCUIT LIQUID VENTILATOR - An open-circuit liquid ventilation system includes a reservoir containing a breathable liquid, a patient interface receiving breathable liquid from the reservoir, a pump directing breathable liquid from the reservoir to the patient, a controller for the pump, and a tank for storing used breathable liquid. The system may be passive regarding expired liquid. Alternatively, the system may be active and include a bypass line connected to the pump such that used breathable liquid is drawn from the patient. The patient interface may be adapted to interface a gas ventilation system to facilitate a rapid conversion from gas to liquid ventilation. The system may include sensors monitoring pressure and volume parameters and may include an output displaying information including schematics and real time tracings regarding a ventilation procedure.01-21-2010
20090056718Underwater breathing apparatus - A breathing apparatus for providing pressurized air to a swimmer. The breathing apparatus is based on a geometrically shaped structure that provides superior floatation characteristics in all sea conditions. The breathing apparatus includes a spherical shaped buoyant housing that is mounted above a half spherical shaped submersible housing. The buoyant housing provides a reservoir for pressurized air that is delivered to one or more swimmers by use of flexible air hoses. A battery powered air compressor and motor to produce the pressurized air is positioned within the submersible housing. An air intake for the air compressor receives air by a snorkel, the snorkel stores in a second position suitable for use as a handle while towing the apparatus on wheels. A rechargeable battery is positioned within the submersible housing to power the air compressor with cycling provided by use of a pressure switch. The rechargeable battery and air compressor operate as ballast within the submersible housing. The housings include bracket assemblies to provide handholds above and below the surface of the water.03-05-2009
20080257348Emergency and mass casualty ventilator - This invention pertains generally to ventilation devices, and more particularly to a low cost constant pressure, variable flow blower powered ventilation device that is fully functional with a mask and which can be adapted to a number of applications including (1) a respiratory device used for automatic resuscitation of patients needing emergency ventilation, (2) emergency backup ventilation capabilities for hospitals and other healthcare institutions, and (3) positive pressure support therapy for patients suffering from obstructive sleep apnea among other diseases and respiratory conditions.10-23-2008
20090188500COMBINATION BREATHING TREATMENT METHOD - A method of providing a combination lung treatment therapy that is substantially uninterrupted between providing continuous positive airway pressure therapy and high-frequency therapy is disclosed. The present invention combines multiple respiratory therapies in order to facilitate the prevention and treatment of certain pulmonary diseases. The present invention also discloses a method of providing a combination lung treatment therapy that is substantially uninterrupted between providing medicated continuous positive airway pressure therapy and medicated high-frequency therapy is disclosed.07-30-2009
20130074843Quiet Blower Apparatus and System and Method for Reducing Blower Noise - A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers.03-28-2013
20130042867CPAP SYSTEMS - A CPAP system includes a flow generator, a patient interface, an air delivery conduit that interconnects the flow generator and the patient interface, and a packaging arrangement including at least one storage facilitating member to allow storage of the air delivery conduit. The at least one storage facilitating member may be provided to the flow generator, a cradle, and/or the air delivery conduit.02-21-2013
20130032148OXYGEN DELIVERY APPARATUS, SYSTEM, AND METHOD - A system, method, and apparatus for air delivery. A cannula having a low velocity airflow and efficient air delivery system. The cannula includes at least one compartment to reduce airflow velocity and nostril inserts. The cannula may further include moldable components and materials to increase comfort and minimize chafing of a wearer. The cannula further may include a head strap to hold the mask in position on a user's head, where said harness minimizes chafing of the user.02-07-2013
20130032147METHOD AND SYSTEM FOR VISUALIZING MECHANICAL VENTILATION INFORMATION - A medical system having a ventilator is provided. The medical system includes a memory storing data related to patient and ventilator parameters. A processor is programmed to organize, in time, the data related to the patient and ventilator parameters. A viewer displays the patient and ventilator parameters for an overall monitoring time period on a timeline. A reference marker is displayed on the timeline to select a segment of the patient and ventilator parameters corresponding to a past monitoring time, wherein the segment selected represents a time segment within the overall monitoring time period. The patient and ventilator parameters corresponding to the time segment are displayed.02-07-2013
20130037026RESPIRATORY APPARATUS - A respiratory device for delivering gas to a patient comprises a gases passageway having proximal and distal ends, and a supplementary gas inlet in a side wall of the gases passageway. The supplementary gas inlet is adapted to direct gas along an interior surface of the gases passageway, such that the gas follows a generally helical path towards the distal end of the gases passageway.02-14-2013
20120180791Ventilator Attachment Fitting Usable on an Endotracheal Tube Having an Integrally Formed Suction Lumen and Method of Making And/Or Using the Same - A ventilation connector (07-19-2012
20100006097Quiet Blower Apparatus and System and Method for Reducing Blower Noise - A blower assembly including a motor (01-14-2010
20130047987CPAP tube delivery device - A CPAP oxygen delivery device wherein a tube system eliminates excess hose and wherein a base connector positioned in the support frame may be in a T- or cross-configuration and the cross-configuration allows a supplemental therapeutic material to be delivered, and wherein the pitch of an adjustable arm may be varied to alter the vertical position of the CPAP mask.02-28-2013
20090301485SINGLE OR MULTIPLE STAGE BLOWER AND NESTED VOLUTE(S) AND OR IMPELLER(S) THEREOF - An impeller includes a top shroud, a bottom shroud, and a plurality of vanes extending from the top shroud to the bottom shroud. The top and bottom shrouds are generally planar, and a lower edge of each vane tapers from an outer edge of the bottom shroud to a transverse tip edge thereof.12-10-2009
20120216809Ventilator-Initiated Prompt Regarding Detection Of Inadequate Flow During Ventilation - This disclosure describes systems and methods for monitoring and evaluating ventilatory parameters, analyzing those parameters and providing useful notifications and recommendations to clinicians. That is, modern ventilators monitor, evaluate, and graphically represent multiple ventilatory parameters. However, many clinicians may not easily recognize data patterns and correlations indicative of certain patient conditions, changes in patient condition, and/or effectiveness of ventilatory treatment. Further, clinicians may not readily determine appropriate ventilatory adjustments that may address certain patient conditions and/or the effectiveness of ventilatory treatment. Specifically, clinicians may not readily detect or recognize the presence of inadequate flow during ventilation. According to embodiments, a ventilator may be configured to monitor and evaluate diverse ventilatory parameters to detect inadequate flow and may issue notifications and recommendations suitable for a patient to the clinician when inadequate flow is implicated. The suitable notifications and recommendations may further be provided in a hierarchical format.08-30-2012
20090095298Nasal assembly - A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.04-16-2009
20090095297Automatic Positive Airway Pressure Therapy through the Nose or Mouth for Treatment of Sleep Apnea and Other Respiratory Disorders - The method describes a means of automatic determination of required pressure levels of a breathable gas for treating sleep apnea or other respiratory disorder such as sleep hypoventilation or chronic obstructive pulmonary disease. The method makes use of a face mask nasal prongs or similar means with venting system for elimination of expired gas to atmosphere, gas delivery tubing, and a computer controlled fan or blower or other similar source of pressurised breathable gas.04-16-2009
20130068227COMPACT CONTINUOUS POSITIVE AIRWAY PRESSURE APPARATUS AND METHOD - A compact continuous positive airway pressure apparatus and method provide a flatter profile and more compact thickness, including a larger lateral dimension in order to be accommodated in conventional luggage designed to stow laptop computers having a smaller aspect ratio of thickness to length or thickness to width. Air tubing may be coiled within a case or coiled as about a spool-like configuration in the base unit of the device.03-21-2013
20090056719EXHALATORY PRESSURE DEVICE AND SYSTEM THEREOF - An apparatus for providing pressure into which a patient must exhale is provided. The canister has a canister axis and is disposed to hold liquid. The canister also has indicia of pressure on the canister. The apparatus also includes a substantially rigid lid disposed to substantially cover a mouth of the canister and having a first inlet through the lid. The apparatus also includes an adapter in the first inlet. The apparatus also includes a conduit being retained by the adapter such that the conduit is substantially immovable relative to the canister axis.03-05-2009
20110011401OXYGEN DELIVERY SYSTEM - Disclosed are apparatus and method for delivering oxygen from an oxygen supply to a person in a convenient, sanitary and organized manner. The oxygen delivery system includes a rail attached to a surface of the room and a sliding trolley attached to the rail. An oxygen supply tube is attached to the oxygen supply and the trolley for transferring oxygen from the oxygen supply to the trolley. The system enables the person to move to various locations in the room while receiving oxygen from the oxygen supply through the oxygen supply tube, the trolley, a drop tube and a nasal cannula, or other breathing device connected to the trolley. The person may guide the trolley around the room by pulling the drop tube in the desired direction of travel.01-20-2011
20110011400WIRELESS, GAS FLOW-POWERED SENSOR SYSTEM FOR A BREATHING ASSISTANCE SYSTEM - A breathing assistance system for providing breathing assistance to a patient includes a gas delivery system configured to generate a gas flow, a patient interface configured to interface with the patient, a connection system connected between the gas delivery system and the patient interface and configured to communicate the gas flow to the patient interface for delivery to the patient, and a sensor system remote from the gas delivery system and connected to at least one of the patient interface and the connection system. The sensor system may include a sensor for measuring a parameter, one or more actuators, and a power supply based on a turbine configured to be driven by the gas flow and an electrical generator coupled to the turbine and configured to generate electricity.01-20-2011
20090014001METHOD AND APPARATUS FOR PROVIDING VENTILATION AND PERFUSION - The present invention relates to a device and method for providing ventilation and perfusion in a patient. The device comprises an airway pressure supply device and a controller for controlling the airway pressure of the airway pressure supply device. In one embodiment, the airway pressure supply device comprises a piston moveably arranged in a cylinder and a motor connected to the piston. Activation of the airway pressure supply device is performed by moving the piston in the cylinder by the motor.01-15-2009
20090013999ADJUSTMENT OF TARGET VENTILATION IN A SERVOVENTILATOR - A servoventilator control slowly changes the target ventilation over a period of time, according to a preprogrammed schedule adapted to be set by the physician. Preferably, the target ventilation stays constant at an initial target ventilation for an initial hold time, and then increases at a constant rate until it reaches a final target ventilation, whereupon it stays constant thereafter. If the pressure support level is too high, possibly indicating glottic or upper airway closure, the rate of increase of target ventilation may be lowered or the final target ventilation not reached.01-15-2009
20090007913Linear motor based respiratory ventilator combining conventional and high frequency ventilation - A linear motor-based respiratory ventilator designed to operate at both high frequency (>1.5 Hz) mode and conventional pressure and volume breath delivery mode, with one or multiple linear motor-gas chamber module controlled by current to the voice coil of the linear motor to eliminate the need for a compressed gas chamber. The ventilator can have a displacement sensor to help determine frequency and then supply data to a processor to control the frequency of the linear motor. In a design where multiple gas chambers are used, blending of gases can be achieved by controlling the displacements of pistons in the multiple gas chambers with the linear motors. A piston can also concurrently control displacement of capacity in more than one gas chamber so that a continuous flow of gas can be achieved.01-08-2009
20090007912Ventilator for Supplying Breathable Gas to a Patient, and a Noise Reduction Method for Said Ventilator - A ventilator for supplying breathable gas to a patient includes an external housing; an internal housing suspended within; a gas flow generator within said internal housing; a gas inlet conduit extending between a first gas inlet opening in said external housing and a second gas inlet opening in said internal housing, and a gas outlet conduit extending from a first gas outlet opening in the internal housing via a second gas outlet opening in the external housing and to a patient interface means adapted for introducing the breathable gas into the airway of said patient. One or both of the gas inlet and outlet conduits exhibit a first substantially rigid conduit section and a second membrane conduit section with a membrane wall portion separating a volume of breathable gas within the gas inlet conduit and/or gas outlet conduit from a volume of ambient air within the external housing.01-08-2009
20100071695PATIENT WYE WITH FLOW TRANSDUCER - A patient wye for use in connection with a ventilator having one or more integrated transducers is provided. A transducer is integrated into the patient wye by locating the transducer within a branch of the patient wye. A transducer can be located between the center point of the wye and the port of the branch with which it is associated. More particularly, the transducer can be located so that it is on a side of a wall defining the branch in which it is placed that is opposite a connection surface for attaching tubing associated with a corresponding limb of the ventilator to the patient wye. Accordingly, flow or other transducers can be added to a patient circuit without necessarily increasing the volume of the patient circuit.03-25-2010
20080295836PATIENT CARE UNIT WITH A RECLINING SURFACE - A patient care unit (12-04-2008
20080295835Retainer clip for securing breathing devices - A retainer clip configured to engage a tubing member includes a base portion and a clamp portion which may be formed as a unitary structure. The base portion is generally disc-shaped and has a front side and a back side. The clamp portion is disposed on the base portion and extends upwardly from the front side and comprises a spaced pair of clamp fingers which collectively define a slot that opens into a channel. The channel is adapted to frictionally engage the tubing member. The back side includes a layer of adhesive for adhering the retainer clip to the patient such as to the patient's skin. An interface assembly for delivering gas from a gas source to a patient includes a user interface, at least one tubing member extending from the user interface, and at least one of the retainer clips configured to anchor the tubing member to the patient.12-04-2008
20090014000Method and apparatus for hands free ventilation in a hazardous environment - Hands free ventilation can be provided to a firefighter or other rescue worker in a hazardous environment by connecting an oxygen/air-powered resuscitation/inhalation device (01-15-2009
20100258122Device for Respiratory Assistance, and Measurement System Comprising Such a Device - Device for respiratory assistance, and measurement system comprising such a device.10-14-2010
20110297153Breathing Apparatus - A double counterlung for the breathing circuit of a diver has regulators (12-08-2011
20120285454PATIENT VENTILATION DEVICE AND COMPONENTS THEREOF - The invention relates to a patient ventilation or breathing device and components therefore for use in all forms of respiratory apparatus ventilation systems including invasive and non-invasive ventilation, positive airway pressure therapy, Continuous Positive Airway Pressure (CPAP), and particularly Bi-Level therapy and treatment for sleep disordered breathing (SDB) conditions such as Obstructive Sleep Apnea (OSA), and for various other respiratory disorders and diseases. The invention particularly relates to a blower, to a blade, to a gasket, to a cable, to an impeller, to a gas inlet and inlet member, to an improved air path or fluid flow path and components thereof, and/or to a modular ventilation or breathing device as referred to above and particularly incorporating one or more of the other aspects of the invention.11-15-2012
20100059056BRUSHLESS DC MOTOR WITH BEARINGS - A brushless DC motor including a rotor, a magnet provided to the rotor, a pair of bearings to rotatably support the rotor, a stator assembly that at least partly surrounds the rotor and magnet thereof and adapted to control movement of the rotor, and a bearing tube having an exterior surface and an interior surface that defines a tube interior. The stator assembly is provided along the exterior surface of the tube and the bearings are provided along the interior surface of the tube to support the rotor and magnet within the tube interior. The motor has sample application for use in PAP devices for delivery of positive airway pressure therapy for users or patients.03-11-2010
20090101147High Flow Therapy Artificial Airway Interfaces and Related Methods - Embodiments of the present invention provide a device, system and method for providing high flow therapy interfaces for use in the treatment of respiratory conditions and in assisted respirations. In an embodiment of the invention, a nasal cannula for delivery of respiratory gases can include at least one nasal insert and at least one flange coupled to the at least one nasal insert where the at least one flange is configured to partially impede the egress of respiratory gasses delivered to an upper airway of a patient is provided. In another embodiment, a flange has a shape selected from the group consisting of a slotted, vented or slitted design and configured to partially impede the egress of respiratory gasses. In yet another embodiment, an oral interface for delivery of high flow therapy to the upper airway of a patient can include a gas diffuser that includes a terminus housing having a plurality of holes to allow the delivery of respiratory gases. In yet another embodiment, a high flow therapy interface includes at least one nasal cannula and at least one oral interface in fluid communication with the at least one nasal cannula, the oral interface can include at least one port for delivery of respiratory gases to the mouth of a patient.04-23-2009
20100122698NEONATAL AIRWAY STENT - An adjustable neonatal airway stent for use in the airways of a neonate is provided. The stent may include a flexible mesh member having a generally cylindrical shape and size that is capable of being delivered to a neonatal airway. The mesh member may include overlapping inner and outer portions, where the inner portion is adjacent to an inner edge of the flexible mesh. Further, the stent may include a plurality of locking projections that extend outwardly from the inner portion and are capable of engaging the mesh of the overlapping outer portion to prevent contraction of the stent, while allowing expansion of the stent to at least one diameter when implanted in a neonatal airway. The projections may include angularly extending tips, and the stent may be expandable to a second diameter greater than the first diameter in situ.05-20-2010
20090120437Flow Generator Message System - A flow generator for delivering breathable gas to a patient includes a processor coupled with operation sensors and a user interface. The processor is programmed to generate at least one of time-based or event-based messages relating to at least one of flow generator operation, flow generator service, flow generator use, patient health, peripheral devices and services, patient treatment, and reminders. Time-based messages are generated at predetermined time intervals based on either time of use or elapsed time. The event-based messages are generated based on signals from the operation sensors. The user interface is configured to deliver the messages to at least one of a display, a flow generator service provider, the patient and a physician. By this system, operation of the flow generator is facilitated and enhanced.05-14-2009
20080276938Method and Device For the Treating Sleep Apnea - An improved treatment of obstructive sleep apnea is disclosed. A method and various device combinations are presented. The device combinations describe optimal adjustments to properly position a nasal pillow in each of a patient's nares. A novel swivel joint is described to which a nasal pillow is slip-fit over. The swivel joint prevents loss of a proper seal between the nasal pillow and nare which may otherwise occur as a result of head movement. Also presented is an improved obturator mouthpiece design which substantially eliminates air flow through the oral cavity resulting from leakage in the oropharynx.11-13-2008
20110203587Portable positive airway pressure device accessories and methods for use thereof - A portable cradle for carrying a PAP device includes a base and a handle that is provided on the base. The base is structured to receive the PAP device and attachments to the PAP device. The base is oriented in a substantially horizontal position when the handle is lifted. A trolley may be provided to easily wheel the PAP device and store multiple accessories. Detachable battery packs may also be provided for attachment to a cradle.08-25-2011
20080251076Method and Apparatus for Improving Flow and Pressure Estimation in Cpap Systems - A CPAP apparatus in which the swing in pressure at the patient interface is adjusted by regulating the air flow from the flow generator through an air delivery conduit taking into account a pressure drop representative of the inertance of the airflow in the air delivery conduit during the increase of air flow from the flow generator.10-16-2008
20080251075Method for Selecting a Device Adapted to Treat Disordered Breathing - A method for selecting a device adapted to treat disordered breathing comprises determining a number of characteristics associated with at least a portion of the airway of a patient, comparing each of at least some of the number of characteristics to a corresponding threshold, and selecting such a device in response to the comparison. An alternative method for selecting a device adapted to treat disordered breathing comprises delivering a flow of breathing gas to the airway of a patient, determining a minimum effective therapeutic pressure associated with such patient, and selecting, relative to the minimum effective therapeutic pressure, an oral appliance or one of a number of patient interface devices.10-16-2008
20090266359Patient therapy equipment - Sleep apnoea treatment equipment has a housing containing a blower connected to the housing outlet via a duct. A length of flexible breathing tubing connects the housing outlet with a face mask worn by the patient so that he receives a flow of air at elevated pressure. An acoustic sensor is mounted in the duct close to the blower and supplies an output to a processor. The processor supplies an output to a loudspeaker or other acoustic source mounted downstream of the sensor, between it and the outlet. The processor drives the source to produce anti-noise in anti-phase with the blower-generated noise so as to reduce the noise level outside the equipment.10-29-2009
20090165795METHOD AND APPARATUS FOR RESPIRATORY THERAPY - The disclosure provides a method for delivering pressurized gas to an airway of a subject. The disclosure also provides a system for delivering pressurized gas to an airway of a subject. The disclosure further provides a computer-readable storage medium containing a set of instructions executable on a processor that include routines to monitor a respiratory flow rate from a subject, generate a filtered flow and a dynamic flow from the respiratory flow rate, and control a gas generator connected to a breathing device.07-02-2009
20080283060Methods and Apparatus with Improved Ventilatory Support Cycling - A ventilator that delivers air at different pressures to a patient during inspiratory and expiratory cycles of breathing and that cycles from inspiratory to expiratory operation when the patient's respiratory flow passes a threshold level. The threshold generally increases from the beginning of inspiration to the end of inspiration. The increase can be linear over all or only a portion of the inspiratory cycle, and the threshold can be adjusted so that cycling is prevented during the initial portion of an inspiratory cycle. The minimum and maximum levels may both be functions of peak flow and the threshold may increase as a function of elapsed inspiratory time. The rate at which the threshold increases from a minimum level to a maximum level may be adjustable for individual patient needs and may be determined from previous breaths.11-20-2008
20080276937MASK ASSEMBLY - A mask assembly adapted for use with a positive airway pressure device, includes a mask frame, an elbow assembly provided to the frame, a cushion provided to the frame, a forehead support assembly, and a neck to connect the frame to the forehead support assembly, wherein the neck includes a pair of side walls having a streamlined design that is made to look sleek and reduce or minimize obtrusiveness. The pair of side walls may take the form of a single wall or more than two walls. The mask frame may include a recessed port structure including at least one port having access to an interior of the frame which at least in part with the cushion defines a breathing chamber in communication with a nasal passage of the patient in use. The mask frame may also include a channel to receive the cushion. The channel is formed by an outer wall and an inner wall and the channel includes an inner surface having a bead to engage with an outer surface of an edge of the cushion. The forehead support assembly includes a forehead support and a forehead pad coupled to the forehead support. The elbow assembly includes an elbow connectable to the mask frame. A cover is releasably connectable to the elbow. The cover includes a venting area including a plurality of vent holes.11-13-2008
20130118493PASSENGER SERVICE MODULE AND PASSENGER SERVICE SYSTEM - A passenger service module (05-16-2013
20080276936Self-Pressurizing Supraglottic Airway - A supraglottic airway of the type used to facilitate lung ventilation and the insertion of endo-tracheal tubes or related medical instruments through a patient's laryngeal opening where the shield is designed to have an internal increase in pressure during assisted inhalation such as positive-pressure ventilation.11-13-2008
20090065003Method of performing surgical procedures on patients suffering from hiatal hernia - The invention is a method of lowering the gastroesophageal junction below the diaphragm of a patient with a hiatal hernia during the performance of surgical procedures performed via natural orifices. The method comprises applying positive pressure ventilation with positive end expiratory pressure (PEEP) to the patient.03-12-2009
20090025724System for removal of water from a hose and the hygroscopic hose utilized - A respirator system and hygroscopic hose used in the system is disclosed. The system includes a means for generating a flow of air, a hose connected to the generating means and a mask adapted to be secured to a patient. The mask connected to the hose such that air generated by the generating means passes through the hose to the mask. The hose is a hygroscopic hose made up of a thermoplastic polyurethane. The thermoplastic polyurethane permits water formed by the respiration of the patient to permeate through a sidewall of said hose from an inner surface of the hose to an outer surface of the hose. The sidewall of the hose does not permit air generated by the generating means to pass through the sidewall.01-29-2009
20090260629CONNECTOR - A connector includes a main conduit and a gas conduit. The main conduit includes an inlet portion and an outlet portion that form a passage for supply of a first gas in a forward direction. The inlet portion is adapted to receive a supply of the first gas and deliver the first gas to the outlet portion. The gas conduit has a first end and a second end that form a second passage for supply of a second gas. The first end of the gas conduit is adapted to connect to a second gas supply, and the second end is adjacent the outlet portion of the main conduit and delivers the second gas into the main conduit such that the second gas is directed to flow in a forward direction.10-22-2009
20120103335SMOKE ALARM TRIGGERED EMERGENCY PORTABLE BREATHING APPARATUS - A bedside emergency unit may be configured to automatically open when a smoke detector/alarm is activated. The bedside emergency unit may include emergency supplies, such as a portable air/oxygen tank, bottled water, a strobe light, a fire blanket and the like. When a smoke detector/alarm activates, the bedside unit may automatically open to provide the user with the emergency supplies stored within. The emergency supplies are then readily available to the user and the open bedside unit serves as a reminder, in a time of possible panic, that certain supplies may be useful to optimize life saving.05-03-2012
20120103334Determining Patient-Ventilator Breath Contribution Index in Spontaneously Breathing, Mechanically Ventilated Patients - The present invention relates to a system and method for determining a patient-ventilator breath contribution index in a spontaneously breathing, mechanically ventilated patient. A patient's efficiency to generate an inspiratory volume without mechanical ventilatory assist and a patient's efficiency to generate an inspiratory volume with mechanical ventilatory assist are calculated and used to determine the patient-ventilator breath contribution index.05-03-2012
20100163046METHOD AND APPARATUS FOR VENTILATION ASSISTANCE - A CPAP device and method are provided. The CPAP device includes an inspiratory reservoir, a positive pressure air source, and a pressurizing device. The inspiratory reservoir is fluidically connectable with at least one breathing orifice of a user. The positive pressure air source is fluidically connectable to the inspiratory reservoir. The pressurizing device is movable from a first position to a second position by releasing stored potential energy. During movement to the second position the pressurizing device applies a generally constant pressure to gas contained in the inspiratory reservoir. The pressurizing device is both movable towards the first position and augmentable in stored potential energy by pressure from exhalation air from the user.07-01-2010
20110056495EXHAUST ASSEMBLY - An exhaust assembly (03-10-2011
20100000534PATIENT INTERFACE SYSTEMS - A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure configured to sealingly engage the patient's nares; a pair of strips configured to be connected to opposite sides of the patient interface structure; and adhesive configured to secure the patient interface structure in sealing engagement with the patient's nares. The adhesive may be provided on the strips, and the strips are configured to be adhered to sides of the patient's nose by the adhesive. Another patient interface system includes a first component including adhesive on a first side and hook or loop fastener material on a second side, wherein the adhesive is configured to adhere the component to the face of the patient; and a patient interface structure configured to sealingly engage the patient's airways. The patient interface structure includes a second component including a corresponding loop or hook fastener material configured to engage the corresponding hook or loop fastener material of the first strip to secure the patient interface structure in sealing engagement with the patient's face. A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure including a pair of nasal prongs or pillows configured to sealingly engage the patient's nares; and at least one spring configured to bias the nasal prongs or pillows outwards into engagement with the nares of the patient.01-07-2010
20100000533Dental treatment apparatus - The present invention relates to a dental treatment apparatus comprising a source of gas, a generator for generating oxidizing gas from the gas of the source, an application device for application of the oxidizing gas to a selected application area and exposing the selected application area to the oxidizing gas, a destructor for the oxidizing gas and a vacuum pump to create a pressure sufficient to suck the oxidizing gas from the application device to the destructor, whereby an additional gas reservoir for the gas from the source is provided between the source and the generator.01-07-2010
20090320841BRANCHING UNIT AND ARRANGEMENT FOR DELIVERING A RESPIRATORY GAS OF A SUBJECT - A branching unit for delivering a respiratory gas of a subject is disclosed herein. The branching unit includes a first limb (12-31-2009
20090107497Method and device to prevent ventilator acquired pneumonia using nitric oxide - A respiratory assist device and method for the prevention of ventilator acquired pneumonia in a patient is described. The respiratory assist device administers nitric oxide to the oropharyngeal area in order to decontaminate or prevent the contamination of secretions that collect in the oropharyngeal area during intubation of the patient. The respiratory assist device and method may be adapted for use, for example, as an endotracheal tube or as a tracheotomy tube.04-30-2009
20080230059SYSTEM AND METHOD FOR A COLLAPSIBLE RESERVOIR WITH AN AUXILLARY FLUID CHANNEL - A collapsible reservoir system is disclosed herein. The collapsible reservoir system includes a first tube pneumatically connected to the collapsible reservoir, and a second tube pneumatically connected to the collapsible reservoir. The second tube is configured to generally remain open in the absence of an externally applied compressive force. The second tube is positioned relative to the collapsible reservoir such that a compressive force applied to the collapsible reservoir can also compress and thereby restrict the second tube. A corresponding method for controlling the pressure of a collapsible reservoir system is also provided.09-25-2008
20090071480COMPACT CONTINUOUS POSITIVE AIRWAY PRESSURE APPARATUS AND METHOD - A compact continuous positive airway pressure apparatus and method provide a flatter profile and more compact thickness, including a larger lateral dimension in order to be accommodated in conventional luggage designed to stow laptop computers having a smaller aspect ratio of thickness to length or thickness to width. Air tubing may be coiled within a case or coiled as about a spool-like configuration in the base unit of the device.03-19-2009
20100218764STORAGE SYSTEM FOR AN APPARATUS THAT DELIVERS BREATHABLE GAS TO A PATIENT - A flow generator assembly includes a flow generator structured to generate a supply of pressurized breathable air to a patient; and a bracket attachable to the flow generator and adapted to mount the flow generator to a bed or a wall adjacent the bed.09-02-2010
20090071481Method and devices for administration of therapeutic gases - Methods for administering medical gases are disclosed including providing the medical gas in compressed gas cartridges containing an amount of the medical gas preferably corresponding substantially to a unit dose of the medical gas and providing a patient with means to access the medical gas from the gas cartridge upon need therefor. Apparatus for administering medical gases is also disclosed including a housing, a cassette associated with the housing containing at least one compressed gas cartridge preferably containing at least an amount of the medical gas substantially as required for a single dose and a patient supply interface to provide the medical gas to the patient.03-19-2009
20090183738Device for Complex Interval Normobaric Hypoxic Hyperoxic Training of a Human - This invention is directed to medical equipment and can be used for elevation of resistance of a human body against various pathologies including bronchial asthma, hyperplastic anemia and iron deficiency anemia, neurocirculatory dystonia, hypertension, obesity. This instrument can also be useful for treatment and prevention of respiratory and metabolic dysfunctions, for enhancement of non-specific compensatory capabilities of a human body and its aerobic output, as well as for improving physical fitness and regenerative ability of athletes, and reducing negative side effects of ionizing radiation.07-23-2009
20110083669Gas Flow Diverter For Respiratory Monitoring Device - A gas flow diverter for increasing the turbulence of an incoming respiratory gas flow through a respiratory gas sensor is provided. The diverter is positioned at a patient or inlet end of a tube section of the sensor in order to divert the respiratory gas flow from the patient generally equally across the cross-sectional area of the tube section. The diverter can be formed integrally as a part of the sensor, or can be releasably attached to the sensor or to an adapter that is releasably connected to the inlet end of the sensor for use in situations in which the volume of the incoming respiratory gas flow from the patient is greatly reduced due to the size of the patient, i.e., when the patient is an infant.04-14-2011
20110146680SILICONE CATHETER CONTAINING CHLORHEXIDINE GLUCONATE - The invention relates to a silicone catheter including chlorhexidine gluconate, methods of making this catheter, and methods of using it. The method of making the catheter includes contacting a silicone catheter with a liquid containing chlorhexidine gluconate. Chlorhexidine gluconate is stably incorporated into the silicone catheter.06-23-2011
20090217929Delivery of Respiratory Therapy - An air delivery system for providing a supply of air from a source of air at positive pressure to an interfacing structure located at the entrance to the airways of a patient includes a manifold adapted to connect with the supply of positive air pressure and at least one tube connected to the manifold and adapted to deliver the supply of air to the interfacing structure. Each tube is structured to allow movement between an open phase in which the tube allows the passage of air and a collapsed phase in which the tube is collapsed. Each tube is structured such that weight of a typical patient's head against bedding apparel is sufficient to collapse the tube from the open phase to the collapsed phase.09-03-2009
20110247619Air delivery conduit - An air delivery conduit includes a tube including a plurality of corrugations. The corrugations vary along a length of the tube to change flexibility and/or stretch characteristics of the tube in one or more specific zones.10-13-2011
20100059055Gas delivery system including a flow generator having an isolated blower assembly for noise reduction - A gas delivery system that includes a housing and a flow generator that includes a blower assembly and an isolation assembly for coupling the flow generator to the housing. The isolation assembly includes at least one elastomeric isolation member having first and second portions, and the blower assembly is coupled to the isolation assembly through the at least one elastomeric isolation member. The first portion is able to shear in a first direction and the second portion is able to shear in a second direction generally perpendicular to the first direction to permit the blower assembly to move relative to the housing in three dimensions. Also, a gas delivery system that includes a housing and a flow generator provided within the housing, wherein the gas delivery system generates no more than about 30 or 35 dB(A) of noise regardless of the physical orientation of the housing.03-11-2010
20100059057BREATHING TUBE CONNECTING DEVICE - A breathing tube connecting device is provided for connecting a breathing tube to at least two respirators. The breathing tube connecting device includes a base body with a breathing gas through duct embodied in the base body, a jacket body, which can be meshed with the base body in a positive-locking manner and thus encloses at least a part of the base body in a coaxial manner, and a transponder. The transponder is provided between the base body and the jacket body. The breathing gas through duct and the jacket body are embodied at least partly as a coupling section for a selective connection of the breathing tube to one of the at least two respirators.03-11-2010
20100236551GAS FLOW REVERSING ELEMENT - A gas flow reversing element is provided comprising a main piece defining at least one closable outlet opening, a branching piece extending from the main piece, a line connector connected to the distal end of the branching piece, a pressure connector connected to the main piece, the pressure connector being structured to be fluidly connected to a pressurized gas supply; and a nozzle being configured and arranged in the main piece in such a way that a gas flow flowing in the main piece from the pressure connector through the nozzle to the at least one outlet opening, with the at least one outlet opening being disposed in the second open position, a gas flow can also be generated in the branching piece in a direction toward the at least one outlet opening.09-23-2010
20110100364MULTIPLE CONDUIT CONNECTOR APPARATUS AND METHOD - A multiple-conduit connector includes a first coupling part that includes multiple first connectors associated with a corresponding conduit and a second coupling part that includes multiple second connectors associated with a corresponding conduit. Each conduit of the second coupling part communicates with a corresponding conduit of the first coupling part when the first coupling part and the second coupling part are detachably connected together. The multiple-conduit connector includes a guide projection located on one coupling part and a guide recess to receive the guide projection and disposed at a corresponding location in the other coupling part.05-05-2011
20110073110Compact low noise efficient blower for CPAP devices - A blower includes an electric motor having a shaft, a housing having a housing inlet and a housing outlet between which is defined a flow path for gas, a first impeller having a plurality of blades adapted to accelerate gas tangentially and to direct it radially outward, and a stationary portion. The stationary portion includes a gas flow path defined between an external wall of the motor and a wall of the stationary portion, a first stationary vane structure located downstream of the first impeller, and a shield constructed and arranged to provide a barrier between the first stationary vane structure and the blades of the first impeller to isolate leading edges of the first stationary vane structure from an impeller blade pressure pulse. The flow path is of sufficient width to allow a flow of gas therethrough without introducing excessive pressure drop.03-31-2011
20110061654OXYGEN MASK WHICH FACILITATES A PATEINT TO BREATH OXYGEN - The present invention discloses a structural improvement of an oxygen mask which covers a nose without covering a mouth, wherein a respiration tube faces upward, an air inlet tube is located at a center of an exterior side of the respiration tube and an inner tube of the air inlet tube is extended into the respiration tube. A patient breathes in oxygen from the air inlet tube and breathes out from a tube opening of an exhale tube at an upper end, so that he or she can inhale more oxygen.03-17-2011
20110030684OXYGEN CONCENTRATOR APPARATUS AND METHOD HAVING FLOW RESTRICTED COUPLING OF THE CANISTERS - An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. The oxygen concentrator system may include one or more flow restrictors to allow controlled release of oxygen enriched gas between the canisters.02-10-2011
20110030685OXYGEN CONCENTRATOR APPARATUS AND METHOD OF DELIVERING PULSES OF OXYGEN - An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. The oxygen concentrator system may deliver oxygen as one or more pulses of oxygen per breath.02-10-2011
20080251074System and method for remote oxygen supply monitoring and calculation of replacement requirements - A device and method for remote monitoring of remaining gas supplies in compressed gas cylinders conventionally employed to supply patient oxygen. The device employs a pressure sampling component to communicate sequential electronic signals to a remote receiver of remaining pressure in the tank. Software and a microprocessor in the receiver continually calculate a future replacement time for the tank based on tank pressure depletion identified in the most recent pressure reading of the tank over the time duration from the next most recent pressure reading.10-16-2008
20100319697USING MOTOR SPEED IN A PAP DEVICE TO ESTIMATE FLOW - A method and apparatus are disclosed for determining airflow through a PAP device while applying PAP therapy. The actual speed of a blower 12-23-2010
20100116273DEVICE FOR SUPPLYING A RESPIRATOR WITH BREATHING GAS - A device for supplying a respirator with breathing gas is designed in a modular design. To accomplish the object, a cover plate (05-13-2010
20100065053BRANCHING UNIT FOR DELIVERING RESPIRATORY GAS OF A SUBJECT - A branching unit for delivering a respiratory gas of a subject is disclosed herein. The branching unit includes a first limb for delivering an expiratory gas during an expiratory phase and a second limb for delivering an inspiratory gas during an inspiratory phase. The branching unit also includes a third limb connecting with the first limb and the second limb for delivering both said expiratory gas and said inspiratory gas and at least one port for a medical appliance.03-18-2010
20110197882POWER CONTROL IN A MEDICAL VENTILATOR - A ventilator that is small, lightweight, and portable, yet capable of being quickly adapted to operate in a plurality of different modes and configurations to deliver a variety of therapies to a patient. A porting system having a plurality of sensors structured to monitor a number of parameters with respect to the flow of gas, and a number of porting blocks is used to reconfigure the ventilator so that it operates as a single-limb or dual limb ventilator. In the single-limb configuration, an active or passive exhaust assembly can be provided proximate to the patient. The ventilator is capable of operate in a volume or pressure support mode, even in a single-limb configuration. In addition, a power control mechanism controls the supply of power to the ventilator from an AC power source, a lead acid battery, an internal rechargeable battery pack, and a detachable battery pack.08-18-2011
20110259330SYSTEM AND METHOD FOR DETERMINING VENTILATOR LEAKAGE DURING STABLE PERIODS WITHIN A BREATH - This disclosure describes systems and methods for compensating for leaks in a ventilation system based on data obtained during periods within a breath in which the patient is neither inhaling nor exhaling. The methods and systems described herein more accurately and quickly identify changes in leakage. This information is then to estimate leakage later in the same breath or in subsequent breaths to calculate a more accurate estimate of instantaneous leakage based on current conditions. The estimated leakage is then used to compensate for the leak flow rates, reduce the patient's work of breathing and increase the patient's comfort (patient-ventilator breath phase transition synchrony).10-27-2011
20100024817INTRAORAL CPAP INTERFACE - An intraoral continuous positive airway pressure (CPAP) interface that comprises a tube connected to a source of positive air pressure, and a shield connected to, or integrally formed with, the tube and adapted to be inserted within buccal sulci in such a way that facilitates oral cavity sealing. The shield has a central part formed with an aperture in communication with the tube, and right and left longitudinally extending projections adjoining, and of substantial bilateral symmetry with respect to the central part. Each of the projections has adjoining upper and lower regions and each of the regions has adjoining proximal and distal portions, Each of the projections is dimensioned such that a distal portion has a thickness substantially equal to, or greater than, a buccal sulcus potential space gap, and is configured, when inserted within a buccal sulcus, in such a way so as to adhere to the oral mucosa, to occupy the entire volume of buccal sulcus potential space, and to seal the oral cavity.02-04-2010
20120304993PUMP UNIT AND BREATHING ASSISTANCE DEVICE - A pump unit can achieve significant size reduction while maintaining the performance thereof. Micropumps are arranged in a lattice pattern with rows and columns, and a discharge port of at least a micropump arranged in the most downstream row is directly connected to an integrated discharge port. The pump unit further includes: a discharge direct-connection mechanism for connecting respective discharge ports of a plurality of micropumps in a middle row directly to the integrated discharge port; an intake direct-connection mechanism for connecting respective intake ports of the micropumps directly to a fluid to be supplied first; a series-connection mechanism for connecting a discharge port of a micropump in an upstream row directly to an intake port of a micropump in a downstream row; and a controller for controlling the discharge direct-connection mechanism, the intake direct-connection mechanism, and the series-connection mechanism.12-06-2012
20120006325BYPASS FLOW ELEMENT FOR DIVERTER FLOW MEASUREMENT - A ventilator includes a first pathway configured to supply a first gas; a second pathway configured to supply a second gas; a bypass element configured to provide a portion of the first gas and a portion of the second gas, the bypass element comprising a rib adjacent to a bypass conduit, wherein fluid flow is substantially laminar adjacent to the conduit. A bypass element is described.01-12-2012
20120118289OXYGEN RESPIRATOR HAVING EMERGENCY ILLUMINATION LAMP FOR USE IN CASE OF FIRE - The present invention relates to an oxygen respirator having an emergency illumination lamp for use in case of fire, and more specially to an oxygen respirator having an emergency illumination lamp for use in case of a fire to help people escape safely from a low visibility, oxygen-depleted area when a fire, disaster or emergency occurs. The oxygen respirator for use in case of a fire comprises: an oxygen tank having a recess on the top and storing high pressure oxygen therein; an oxygen discharge means for discharging low-pressure oxygen by passing the oxygen out of the oxygen tank through an outlet passage extended to a preset length so as to reduce the pressure of the oxygen; an oxygen respirator consisting of a nozzle attached to a lower oxygen outlet of the discharging means; and an illumination lamp including a housing with a transparent cover connected to the recess, a printed circuit board with an LED lamp inside the housing, a built-in battery provided at the lower part of the printed circuit board and an On/Off switch installed on the exterior of the housing.05-17-2012
20110094511Method and Apparatus for Ventilator Safety Enhancement - A device for protecting a ventilated patient from the adverse consequences of disconnection within a ventilator circuit can be used within ventilator circuits found in either the bedside vent environment or a surgical setting requiring anesthesia. In a bedside vent environment, this device secures joints in the circuit from the proximal end of the wye to the distal end of the in-line suction catheter tubing. In particular, between these two ends, there might be a series of joints created by gas measurement sensors, heated moisture exchangers, and treatment delivery adapters. The inventive device described herein is capable of securing all these joint combinations as well. In a surgical setting, the device secures joints in the circuit from the proximal end of the wye to the distal end of the “elbow” connected to the artificial airway.04-28-2011
20120152248APPARATUS FOR COMPRESSING AND STORING OXYGEN ENRICHED GAS - Methods and apparatus for storing high-pressure, high-purity oxygen in a pressure vessel for use in the home health care or related fields as for ambulatory patients, persons confined to wheelchairs, and those who are bedridden. The Oxygen may be produced from air an oxygen-enriched gas and stored in a concentrator product tank. After reaching a predetermined pressure, the gas is fed to a compressor where it is compressed to a high pressure and stored in a mobile or portable high-pressure container. A patient can thus have increased mobility through use of the portable, one or more high-pressure oxygen containers.06-21-2012
20120247469Infant pacifier for oxygen delivery - An oxygen delivery apparatus for delivery of oxygen to an infant from a source includes a mouthpiece having a body portion and lip-engaging flange portions which surround the body portion and a nipple which extends to one side of the central body portion for acceptance by the mouth of an infant. The body portion of the mouthpiece includes a pair of internal passageways each having an inlet and an outlet and wherein the inlets of the passageways are adapted to accept oxygen delivered thereto from a source and wherein the outlets of the passageways are disposed at locations along the surface of the mouthpiece so that when the nipple is accepted by the mouth of an infant, the outlets of the passageways are disposed adjacent, but not within, the nostrils of the infant.10-04-2012
20120167883Advanced portable oxygen concentrator - A portable oxygen concentrator designed for medical use with a novel housing and internal component design that reduces noise and vibration while increasing durability. The improved design of the portable oxygen concentrator further facilitates easy maintenance and repair over the life of the equipment.07-05-2012
20120073574METHOD AND SYSTEM TO DETECT RESPIRATORY ASYNCHRONY - A noninvasive of detecting patient-ventilator asynchrony that is easily adaptable to existing ventilator monitoring systems and provides timely and actionable information on the degree of patient asynchrony both during invasive and non-invasive ventilation. Display of, frequency spectra and the use of a measure of spectral organization, such as H03-29-2012
20120255551 RESPIRATORY ASSISTANCE DEVICE - The present disclosure relates to a respiratory assistance device comprising a main tube, forming a main channel, respiratory gas supplying auxiliary channels, deflection means for the respiratory gas coming from the auxiliary channels, sealing means for ensuring a sealed fluid communication between a patient's trachea and the main channel, as well as a secondary tube, forming a secondary channel, extending inside the main tube.10-11-2012
20100326441NASAL INTERFACE DEVICE - A nasal interface device connectable to a main air supply of a forced airway ventilation nasal system is disclosed. The nasal interface device includes at least a wye hose member having an inlet. The wye hose member is characterized by having a continuum forming portion, by having at least two hinge forming portions and by having two nostril associated portions so that the hinge forming portions of the wye hose member form a hinge of the nasal interface device, and upon compressing the continuum forming portion, the angle between the two nostril associated portions around the hinge is increased.12-30-2010
20120325209METHOD FOR TREATING EARLY SEVERE DIFFUSE ACUTE RESPIRATORY DISTRESS SYNDROME - A method for treatment of severe diffuse acute respiratory distress syndrome in an intubated-ventilated patient which includes sedating said patient with at least one alpha-2 agonist, maintaining spontaneous ventilation and applying pressure support ventilation of at least 5-10 cmH12-27-2012
20120080033NON-INVASIVE BREATHING ASSISTANCE APPARATUS AND METHOD - An nCPAP device for assisting patient breathing includes a generator body forming an inlet, a chamber, and first and second flow circuits. The chamber directs pressurized gas from the inlet to the flow circuits. The flow circuits each include a nozzle, a channel, and at least one port. The nozzle emits a jet stream into the channel in a direction of a patient side thereof. The port fluidly connects the channel to ambient, and promotes entrainment of ambient air with the jet stream. In some embodiments, the channel forms a ramp feature directing exhaled air toward the jet stream in an angular fashion. The generator body requires reduced driving pressures to achieve target CPAP levels and reduces total imposed WOB as compared to conventional designs.04-05-2012
20110265792OXYGEN TUBING - The present invention relates to oxygen tubing for an oxygen concentrator comprising: a spectrum of colors over the surface tubing, where the spectrum extends over the entire length of the tubing. The spectrum of colors may include red, orange, yellow, green, blue, indigo and violet. The present invention further includes a method of distinguishing oxygen tubing comprising the step of applying a spectrum of colors over the surface length of the tubing.11-03-2011
20100229862DEVICE FOR RESPIRATORY ASSISTANCE - According to the invention, the tubular device for respiratory assistance (09-16-2010
20120279500Tracheal Tube with Temperature Sensor - A tracheal tube for the endotracheal or tracheostomatic respiration of patients by using a breathing tube, which is at least partially insertable into the trachea, comprises a trachea sealing cuff, which is arranged at the part insertable into the trachea around the breathing tube, and comprising a temperature sensor. The cuff comprises an outer balloon and an inner balloon between which the temperature sensor is arranged.11-08-2012
20120090609SUPRAGLOTTIC TUBE FOR INSERTING A LARYNX MASK - The invention discloses a supraglottic tube, which despite certain softness has high compressive strength in the proximal distal direction and the radius of curvature can be adjusted. For this purpose, the supraglottic tube comprises at least three lumens. A guiding lumen is located between a lateral respiration lumen and a further lateral esophageal lumen. Said lumens are separated from each other by separating walls. A guiding means, which comprises a pressure element and a tractive element, is located in the guiding lumen. A tractive force can be applied to the tractive element by way of a feed connector and an adjustment unit, in which the pressure element is supported, whereby the radius of curvature of the supraglottic tube is adjusted and it can be better introduced into the patient in the bent state and thereafter the radius of curvature thereof can be adapted to the anatomy of the patient or the position of the patient, thereby maintaining the sealing pressure of the larynx mask around the larynx.04-19-2012
20090293875Acclimatization therapy for first time cpap and niv users - A method of acclimatizing a user to provide continuous positive airway pressure (CPAP) therapy, including operating a device for treating sleep disordered breathing (SDB) during successive treatment sessions, wherein the device provides continuous positive airway pressure during sleep, includes determining a clinically-derived full therapeutic pressure, applying a sub-therapeutic treatment pressure for the duration of a first session, obtaining responses to a series of pre-programmed patient and/or bed partner feedback questions before the start of a second session, and, based on the responses, either incrementally increasing the treatment pressure for the second session if the responses indicate that the patient is adjusting to therapy, or maintaining the treatment pressure for the second session if the responses do not indicate that the patient is adjusting to therapy.12-03-2009
20120240931BREATHING APPARATUS - Breathing apparatus (09-27-2012
20080223367Method and apparatus for treating airway obstruction - Methods and Devices for treating airway openings and breathing disorders including obstructive sleep apnea are disclosed. Structures and methods disclosed herein maintain and preserve airway openings against posterior collapse of the tongue.09-18-2008
20130174844SUPPORT FOR TRACHEOSTOMY OR ENDOTRACHEAL TUBES - A device for securing a tracheostomy or endotracheal tube to a patient.07-11-2013
20080216830RESPIRATORY GAS HUMIDIFIER ADAPTER WITH PRESSURE RELIEF VALVE AND AUDIBLE SIGNAL GENERATOR - A pressurized respiratory gas humidifier adapter with a pressure relief valve having an audible signal generating device incorporated into a low-flow respiratory gas supply system at a position in the system wherein the pressure relief valve and an audible signal generating device are protected from inadvertent damage during use of the humidification system, especially during connection of the adapter into the respiratory gas supply system and when the adapter is connected to a humidifier container prior to coupling into the gas supply system. The pressure relief valve and audible signal generator are incorporated into a humidifier adapter for creating a hermetic seal with a standard medical humidifier container, and the pressure relief valve relieves and regulates the pressure in the humidified gas supply system when an obstruction in the gas flow path to the patient occurs, while generating an audible sound emitted at a predetermined pressure threshold level throughout a desired respiratory gas flow-rate range.09-11-2008
20130092163Stay put cannula - The Stay Put Cannula is a medical device which will be used to place and keep gas (usually oxygen) delivery tubes in the patient's nostrils so that the nostril tubes do not easily fall out or are moved. The Stay Put Cannula can also be used to keep other similar tubes such as intravenous tubes in place as well. The Stay Put Cannula can also save nurses and other medical providers time and effort by not having to frequently check and reinsert the nostril tube.04-18-2013
20080196719SUPPLEMENTAL AIR DIFFUSION DEVICES, KITS AND METHODS - A supplemental air diffusion device is shaped and configured to be attached to the body or clothing of a patient below the head and deliver supplemental air toward the mouth and nose of the patient. The supplemental air diffusion device includes a frustroconicoidal air diffusion body that has a smaller inlet opening at an inlet end and an enlarged diffusion opening at a diffusion end. An air inlet stem is integrally attached to the air diffusion body and includes a plurality of ribs and/or recesses for releasably locking a female connector of an air supply hose over the inlet stem. A pair of spaced-apart slits are provided through a flange extending laterally from an outer surface of the air diffusion device. Initially separate accessory patient attachment clamps are looped through the slits and provide for releasable attachment of the air diffusion device to a patient's clothing. A kit may include an air diffusion device, one or more accessory patient attachment clamps, and an air supply hose for establishing fluid communication between the air diffusion device and an air supply.08-21-2008
20110226246RESISTANCE MATCHING IN A PATIENT CIRCUIT - A system configured to deliver pressurized gas to an airway of a subject in accordance with a predetermined therapeutic algorithm. The system includes a pressure generator that generates a pressurized flow of breathable gas and a circuit that communicates the pressurized flow of breathable gas from the pressure generator to the airway of the subject. In order to facilitate the delivery of the pressurized gas to the airway of the subject in accordance with the predetermined therapeutic algorithm, a resistance of the circuit to gas flow is supplemented so that the overall resistance of the circuit is at or near a predetermined level.09-22-2011
20100282256POSITIVE AIRWAY PRESSURE APPARATUS - An apparatus configured to provide positive airway pressure in a respiratory circuit comprises a container configured to be filled to a preselected level with liquids; a drop tube assembly comprising a hollow gas tube rotatably mounted in said container having an upper end extending a static distance outwardly of the container and connected to a respiratory circuit downstream of a user, and a hollow drop tube reciprocally movable upwardly and downwardly in the liquid in response to rotational movement of the gas tube. The container is provided with a gas vent and a liquid fill port.11-11-2010
20080257347Respiratory Assistance Device - The high-speed centrifugal ventilation device for assisting a patient respiratory function includes a centrifugal fan which is arranged in a casing box and essentially has a wheel actuated by a driver. The wheel is provided with a volute connected to the casing box in such a way that an integral fixed assembly is formed. An elastic device is interposed between the fixed assembly and the driver provided with the wheel which is driven thereby. A dynamic assembly is formed for avoiding transmission of vibrations generated by the wheel and the driver towards the fixed assembly.10-23-2008
20100307497MAGNETIC COUPLING ASSEMBLY AND METHOD OF USING SAME - A magnetic coupling assembly for use in coupling portions of a gas deliver system. The magnetic coupling assembly includes a first member and a second member to be coupled together. The attractive forces between the first plurality of magnetic elements on the first member and a second plurality of magnetic elements on the second member join these member. The poles of magnetic elements in the first and second plurality of magnetic elements is opposite that of an adjacent magnetic element. The first and second members are easily detached from one another simply by rotating the first member relative to the second member such that the magnetic poles of the magnetic elements in each plurality of magnetic elements become unaligned, causing an weakening of the attractive forces.12-09-2010
20100307496Apparatus and Method for Retrieval of Tubing - An apparatus and method for retrieval and dispensing tubing, particularly useful for oxygen tubing.12-09-2010
20110284001Nasal Interface Device - A nasal interface device delivers a high flow rate of a gas having a pressure that is adjustable to a patient. The device includes a nasal insert that is adapted to deliver pressurized gas to a nasal cavity of the patient, and receive and direct expired air. The nasal insert has a pressurized breathing gas delivery port and an expired gas port. An expiratory limb pressure regulator is in fluid communication with the expired gas port.11-24-2011
20110284000Connecting unit for components in a breathing system - A connecting unit for fixing components in a breathing system permits simple manufacture and provides good performance characteristics. The connecting unit includes a plug adapter (11-24-2011
20130186399ACOUSTIC PRESSURE INDUCERS AND METHODS FOR TREATMENT OF OBSTRUCTIVE SLEEP APNEA - Acoustic pressure inducers and methods for treating obstructive sleep apnea are disclosed. In one embodiment, an acoustic pressure inducer includes an actuator housing having an orifice, a tube having a first end and a second end, and a nasal cannula fluidly coupled to the second end of the tube. The first end of the tube is fluidly coupled to the orifice of the actuator housing such that a gap is present between the first end of the tube and the orifice. The nasal cannula is configured to be positioned proximate to nostrils of a user. The acoustic pressure inducer further includes a vibrating element within the actuator housing and a signal generator. The signal generator component is electrically coupled to the vibrating element and configured to provide an electronic signal to the vibrating element to cause the vibrating element to oscillate within the actuator housing and produce an acoustic jet of air that exits the orifice and enters a nasal passageway of the user through the nasal cannula.07-25-2013
20130192598Fluid Conveying Conduit - A fluid-containing conduit (08-01-2013
20130199530Y CONNECTOR/ADAPTER ALLOWING CONNECTION OF TWO STANDARD OXYGEN SUPPLY TANK INLET TUBES TO FEED TO SINGLE STANDARD SIZE OUTLET TUBE - This is directed to systems, processes, machines, and other means that provide increased oxygen flow to medical patients. The invention can combine two oxygen tanks into a specially made adapter that can provide an increased flow of oxygen to medical patients.08-08-2013
20130199531Apparatus for control of oxygen and/or air flow to nasal prongs - An air or oxygen flow supply system between a supply source and nasal prongs applicable to a patient, comprising a succession of flow ducts having different flow areas, there being junctions between successive of the ducts, the flow areas defined by A08-08-2013

Patent applications in class Means for supplying respiratory gas under positive pressure

Patent applications in all subclasses Means for supplying respiratory gas under positive pressure