41results about "Respirators" patented technology

A modular insert is provided for defining an air path for use with CPAP, VPAP, auto CPAP or a ventilator. The modular air path insert may be provided with one or more sound suppressing structures, e.g., to act as mufflers. The insert can be readily exchanged or replaced, e.g., for hygienic purposes.

A pressure-assisted breathing system is provided that comprises: a pressure-generating circuit for maintaining a positive pressure within the system; a patient interface device coupled to a patient's respiratory system; a respiratory circuit for providing gas communication between the pressure-generating circuit and the patient interface device; means for introducing aerosol particles into the gas flow in the respiratory circuit; and means for discontinuing the introduction of aerosol particles into said respiratory circuit gas flow when the patient exhales. In one embodiment, a flow sensor is disposed in an auxiliary circuit in fluid communication with the respiratory circuit and electronically coupled with a nebulizer. The flow sensor is adapted to detect changes in the volumetric flow rate of gas in the auxiliary circuit when the patient exhales and stops exhaling and sends corresponding electronic signals to the nebulizer to turn off and turn on, respectively.

A method and system for removal of nitrous oxide and volatile halocarbon gas components from waste anesthetic gases using a low-flow scavenging or reclamation system preferably including an intelligent waste anesthetic gas collection unit fluidly coupled between each individual anesthetic machine and the waste gas evacuation manifold. Through a system including a collection chamber, a pressure detector, and a exhaust valve which is actuated based on the detected pressure in the collection chamber, the waste anesthetic gas collection unit allows flow to the waste suction manifold only in the presence of waste gas and interrupts all flow into the suction manifold when no waste gas is present.

A vaporizer device includes an inhalation nozzle, a container containing the vaporizable material; and an atomizer arranged for carrying out a single continual atomization process for producing an inhalable vapor. A dosage reminder system for the vaporizer device includes a control module, a reminder determination unit configured for detecting a parameter during the single continual atomization process of the atomizer and a reminder element arranged for providing a reminder effect under control of the control module when the parameter reaches to a predetermined threshold.

The invention discloses a headrest type suspended anesthesia device in the anesthesia department. The headrest type suspended anesthesia device comprises a box, an installing plate is arranged at one side of the box, a fixing plate is connected with the surface of the installing plate through a guide rod, a lead screw is arranged between the installing plate and the fixing plate, the two ends of the lead screw are connected with the installing plate and the fixing plate through bearings respectively, the bottom end of the lead screw penetrates through the installing plate and is connected with a servo motor, the servo motor is fixedly connected with the bottom face of the installing plate, the side face of the lead screw is connected with a movable block through a threaded pair, the guide rod penetrates through a through hole in the movable block, a cross rod is fixedly connected with the side face of the movable block, and a respirator is connected to the bottom of one end, away from the movable block, of the cross rod. An inspiration mask can recover overflowing anesthetic gas and prevent the anesthetic gas from affecting doctors, and the headrest type suspended anesthesia device is convenient to use, saves time and can improve working efficiency.

Method, apparatus and breathable compositions for protecting a person from reactive oxygen species in the body are described. The invention involves providing a person with a breathing gas composition comprising at least one fuel gas compound. Apparatus and methods for providing such breathing gas compositions are described.

The invention relates to the field of health-protection medical instrument equipment, and discloses a respiratory-self-adaptation portable oxygen generator. The oxygen generator comprises an oxygen generating unit, a self-adaption impulse oxygen supplying unit and a control unit, wherein the oxygen generating unit is used for generating medical concentration oxygen, the self-adaption impulse oxygen supplying unit comprises an impulse oxygen generating unit and a control unit, and the oxygen impulse generating unit comprises an oxygen supplying pipeline, an electromagnetic valve and a three-waypiping; the oxygen supplying time starting point T1 and the oxygen supplying duration t are determined by the control unit according to respiratory curve data of a user, when the oxygen supplying time starting point T1 is reached, the electromagnetic valve is switched on by the control unit to supply oxygen, and when the oxygen supplying duration t is reached, the electromagnetic valve is controlled to be switched off by the control unit to end oxygen supplying. The respiratory-self-adaptation portable oxygen generator has the advantages that the respiratory movement of the user can be effectively recognized, oxygen self-adaption supplying is achieved for the user to breathe, and oxygen supplying control is accurately conducted.

The present invention relates to a method for generating nitric oxide, which comprises the steps of: providing a precursor solution comprising a nitric oxide precursor in a first reservoir (12), guiding the precursor solution through a reaction chamber (16), thereby subjecting the precursor solution to radiation to generate nitric oxide, guiding the generated nitric oxide out of the reaction chamber (16) by a stream of carrier gas, and guiding the reacted solution into a second reservoir (14). The method according to the invention provides a method of generating nitric oxide, or a flow of nitric oxide comprising gas, in which the concentration of the nitric oxide may be kept especially constant. Also claimed is an apparatus for generating nitric oxide comprising reservoirs for the precursor solution and the reacted solution and a reaction chamber.

A mobile anesthesia system has a patient support configured for use with a robotic patient positioning system. There is a sliding rail system disposed on the patient support and an anesthesia machine coupled to the slide rail system. Through use of the rail system(s) on the patient support a anesthesia machine may move relative to a patient support from a stored configuration clear of the patient to a treatment configuration above the patient. A method of providing anesthesia to a patient positioned to receive a robotic assisted radiation therapy is also described. The method proceeds by positioning a patient on a robotic couch in a location remote to a radiation therapy treatment room used to perform the robotic assisted radiation therapy. Next, anesthesia is administered to the patient from an anesthesia machine attached to the robotic couch while both the patient and the robotic couch are in the location remote to the radiation therapy treatment room. Thereafter, the robotic couch is placed under the control of a patient positioning system in the radiation therapy treatment room. The patient and the robotic couch are then maneuvered into a treatment position while administering anesthesia to the patient from the anesthesia machine.

The present invention is a system (100) and method (200) of integrating an intravascular gas exchange catheter (120) with a patient respiratory system including a monitor and ventilator. The system (100) and method (200) obtains a monitoring sample of respiratory mechanic parameters for a present time interval, which may be selectively recurring over a predefined time. The system (100) and method (200), according to the aforementioned respiratory mechanic parameters, alerts a physician to adjust, or automatically adjusts the oxygen delivery through the IGEC (120) the ventilator operation, or both the IGEC (120) and ventilator.

An oxygen therapy monitoring regulation and control system comprises an oxyhemoglobin saturation monitoring module, a blood gas analysis module, a clinical monitoring module, a regulating module and a central processing module, and the oxyhemoglobin saturation monitoring module, the blood gas analysis module, the clinical monitoring module and the regulating module are all connected with the central processing module. Two monitoring modes are set to cope with different use environments, and the problem of excessive oxygen therapy caused by the fact that blood oxygen saturation monitoring data are unilaterally adopted due to different illness states and different individual differences of different patients is avoided; and then, the central processing module analyzes the data and controls the adjusting module to adjust the oxygen concentration, so that the amount of oxygen inhaled by the patient is reduced, and the situation of excessive oxygen therapy is reduced.

A device for producing dry aerosol, having a casing, an airway with a supply air flow booster, placed in a chamber, connected with an airway through an outlet, a salt mill made in the form of a grinding body with a rotary drive, aerosol concentration detector, connected to a control unit connected to a switch of mill's drive, and in accordance with the invention, an air pipe is fixed in the outbound channel of a chamber, the lower part of which is located atop a grinding body of a mill, and the upper part—in an airway, while on the upper side of an air tube there is an opening directed toward an air flow in an airway, and a gap between a chamber side and mill's grinding body is 3-10 mm, and a gap between a base of a chamber and mills' grinding body is 1-5 mm.

Provided are: a nebulizer system in which a bottle, heater device, and nebulizer adapter are easy to connect and there is no drain tube exposed to the outside and getting in the way; and a heater device suitable for use in said nebulizer system. Said nebulizer system (1) is provided with: a bottle (2), with a mouth (25) at the top thereof, in which a liquid is stored; a heater device (3) that can be connected to the mouth (25) of the bottle; and a nebulizer adapter (4) that can be connected to the heater device (3). The bottle (2) is provided with a dip tube (22) immersed in the liquid stored inside. With a space (226) provided at the top end of the dip tube (22), said space connecting the inside and outside of the bottle (2) through the mouth (25) thereof, the top end of the dip tube (22) is disposed inside the walls of the mouth (25) of the bottle. The nebulizer adapter (4) is provided with: a nozzle member (42) that has a nozzle (421) through which a gas is injected; and an aerosol-forming member (43) that is disposed at a location corresponding to the aforementioned nozzle (421) and that, by means of the stream of gas injected via the nozzle (421), suctions up the liquid in the bottle (2) via the dip tube (22) and the heater device (3) and turns said liquid into a fine aerosol. The following are provided inside the heater device (3): a channel (32), one end of which is connected to the top end of the dip tube (22) and the other end of which is connected to the aerosol-forming member (43); a heating unit (33) that heats said channel (32); and a drain tube (35), one end of which is disposed opposite the abovementioned space (226) and the other end of which returns liquid that was not aerosolized in the nebulizer adapter (4) back to the bottle (2).

The present invention relates to a method for protecting a ventilation device of a ventilator against backflowing exhaled air, and to a ventilator. A respiratory gas flow is generated by a blower device and is guided via a flow connection to a breathing interface. The respiratory gas flow is adjusted with the aid of a control device to a first ventilation pressure during an inhalation phase of the patient and to a second ventilation pressure during an exhalation phase. A characteristic variable for a flow within the flow connection is detected in this case by means of a monitoring device for monitoring backflowing exhaled air. And, in this case, a back pressure with respect to the backflowing expiratory flow is adjusted by means of a specific increase of the ventilation pressure with consideration for the characteristic variable, whereby an undesirable rebreathing into the ventilation device is counteracted by means of the back pressure.

The invention discloses a multifunctional transferring device for nursing in the cardiology department. The device comprises a bed board, bed legs are evenly arranged at the four corners of the lowersurface of the bed board, wheel carriers are arranged on the lower surfaces of the bed legs, universal wheels are rotatably connected to the lower surfaces of the wheel carriers, guard racks are arranged on the two sides of the upper surface of the bed board respectively, a containing groove is formed in the upper surface of the bed board, a transferring plate is arranged in the containing groove,a memory foam cushion and a pillow are arranged separately on the upper surface of the transferring plate, the upper surface of the pillow is an inclined surface, a control switch is arranged on theside face of the bed board, the input end of the control switch is electrically connected with the output end of an external power source, an installing plate is arranged on the side face of the bed board, and an oxygen machine and a cardiac defibrillator are separately arranged on the upper surface of the installing plate. The multifunctional transferring device for nursing in the cardiology department is simple in structure, convenient to operate and capable of conveniently transferring a patient to an operating bed and fixing the patient well during transferring, in this way, risks are avoided, and the safety of transferring is improved.

The invention provides a breather. The breather comprises a breathing tube sleeved with a lower respirator, wherein the lower end of the breathing tube is provided with a plurality of through holes, two supporting frames are fixedly and symmetrically installed at the position, at the lower end of the lower respirator, of the breathing tube, each supporting frame is fixedly provided with an oral cavity expanding frame, the shape of the periphery of each oral cavity expanding frame is matched with the outline of teeth of a person, and an upper respirator is installed at the upper end of the breathing tube. The breather can be placed in the pried-open mandibular joints of a patient with tight dental occlusion and in a severe coma, the mandibular joints can be prevented from being closed automatically, and thus the artificial breather can be inserted into the mouth of the patient, and emergency treatment efficiency is guaranteed.

The invention discloses a green air breathing machine and belongs to the technical field of environmental protection. External air is sucked in by a fan (2) through an intake port (1) and produces wind pressure, is fed into a right purifying chamber (4), and the air is filtered through a microporous hydrolysis filtering net (9) in a permeating mode to produce purified air (10) to be discharged for a wear to use. The green air breathing machine can protect people from a series of hidden health hazards caused by breathing polluted air. In an actual environment, the green air breathing machine can effectively prevent people from inhaling or inhaling less polluted air and meanwhile can effectively prevent the pandemic virus from being harmful to the human body or spreading. In main function settings, the call function or intelligent positioning function is achieved by additionally arranging a mobile phone or a microcomputer.

The invention belongs to the technical field of oxygen therapy instruments and particularly relates to a transnasal high-flow oxygen therapy device. The transnasal high-flow oxygen therapy device comprises a support, an air compressor, a humidifying water tank and an air mixer and is characterized in that the air compressor, the humidifying water tank and the air mixer are fixed onto the surface of the support, a bracket rod is further fixed to the surface of the support, a child rotary shaft and a mother rotary shaft are arranged at the joints of the bracket rod, a bolt is connected between the child rotary shaft and the mother rotary shaft, and a moving groove is formed in the surface of the mother rotary shaft; the joints of the bracket rod are connected through the child rotary shaft and the mother rotary shaft, the child rotary shaft and the mother rotary shaft are limited through the moving groove, an outer sleeve, a compression spring, a telescopic rod, a positioning ball and apositioning groove, the joint rotation convenience of the mother rotary shaft is increased, one end of the telescopic rod is movably mounted inside the outer sleeve through the compression spring, thepositioning ball rotatably connected to the other end of the telescopic rod is mounted inside the positioning groove, and the connecting stability of the child rotary shaft and the mother rotary shaft is increased.

The invention provides an integrated module of oxygen inhalation and negative pressure suction. The integrated module of oxygen inhalation and negative pressure suction comprising a valve, as well asan air inlet connector, a first air outlet terminal, a second air outlet terminal, an adjusting needle valve, a negative pressure generator and a negative pressure relief valve arranged on the valve;a flow channel Qf2, a flow channel Qf3, a slant hole, an annular chamber Qb1, an annular chamber Qb2, a passageway Qb6 and an air chamber Qb9 are arranged inside the valve; a flow channel Qf1, which can be opened, is arranged inside the air inlet connector; a flow channel Qf4 and a flow channel Qf6 are arranged inside the first air outlet terminal; a flow channel Qf5 and a flow channel Qf7 are arranged inside the second air outlet terminal; the negative pressure generator comprises a nozzle, a diffuser, a silencer hood and silencer sponge; an annular chamber Qb3 is arranged inside a large opening end of the nozzle while an injection chamber Qb4 is arranged inside a small opening end of the nozzle; a passageway Qb7 is arranged inside the negative pressure relief valve; a circular hole Qb8 is arranged at a large opening end of the negative pressure relief valve; and a mixing chamber Qb5 and a diffusing chamber Qb10 are arranged inside the diffuser. The integrated module of oxygen inhalation and negative pressure suction is capable of supplying oxygen according to needs of a patient, as well as carrying out negative pressure suction therapy without vacuum source.

The invention relates to a driving pump regulation and control system for an artificial lung. The driving pump regulation and control system comprises a blood pressure measurement mechanism disposed on a human body to which the artificial lung is applied, and used for detecting the real-time blood pressure of the human body; a driving pump which is used for providing power for blood exchange of the artificial lung and realizing numerical value change operation on the provided power based on the received human body detection volume and the real-time blood pressure; and a micro capturing mechanism which is arranged above a power supply box of the artificial lung and is used for carrying out camera shooting operation on the human body to which the artificial lung is applied to obtain an instant captured image. The invention further relates to a driving pump regulation and control method for the artificial lung. The driving pump regulation and control system and method for the artificial lung are stable in operation and compact in design. Due to the fact that a power adjusting mechanism of an artificial lung driving pump which is manually adjusted in the past can be replaced, a self-adaptive dynamic adjusting mechanism based on the human body blood pressure and the human body size is adopted, and the use of the artificial lung can better meet the individual requirements of different human bodies.

The invention discloses an auxiliary surgical ventilation system with an intraoperative breathing state monitoring function. The ventilation system comprises a nose air supply connector (101), an airsupply branch (102), a mouth and nose expiration connector (103), air supply equipment (105), an expiration branch (106), a buffer cavity (107), a flow meter (108), a sampling device (120) and an aircomponent measuring device (140). The ventilation system can help doctors to know the breathing condition of a patient in the whole operation process and accurately detect the breathing capacity change trend, the oxygen absorption proportion, the oxygen absorption capacity and the carbon dioxide emission amount of the patient in all stages of the operation; and the ventilation system facilitates postoperative statistical research and learning and monitoring of the conditions of the patient in the operation.

Dry powder formulations for inhalation and their use in the treatment diseases and conditions. The formulation contains a uniform blend of a first spray-dried powder and a second spray-dried powder. The first spray-dried powder contains spray-dried particles of a therapeutically active ingredient dispersed in a pharmaceutically acceptable hydrophobic excipient. The second spray-dried powder contains spray-dried particles formed from a pharmaceutically acceptable hydrophobic excipient but are substantially free of any therapeutically active ingredient. The active ingredient in the first spray-dried powder is loaded sufficiently high to compensate for the second spray-dried powder being substantially free of any active ingredient. A process for preparing such formulations is also described.

The invention provides a medical emergency oxygen supply device, and mainly relates to the technical field of emergency treatment. A medical emergency oxygen supply device comprises a box body with an opening in the top face, the right side face of the box body is higher than the other three faces of the box body, two vertical plates are installed on one side of the interior of the box body; a containing plate is rotationally installed between the two vertical plates through a rotating shaft; an oxygen bottle is installed on the top face of the containing plate; and two inclined telescopic rods are hinged to the bottom face of the containing plate; the bottom ends of the two telescopic rods are hinged to the box body; and a rectangular groove is formed in one side of the box body. The oxygen bottle storage box has the beneficial effects that through cooperative use of the box body and the box cover, an oxygen bottle can be stored in a sealed space in the box body and can be prevented from being affected by the external environment; the safety and the service life of the oxygen bottle are guaranteed; meanwhile, after the box body is matched with the box cover, appliances can be temporarily placed on the top face of the box cover; and the use is convenient. The space is saved, the oxygen bottle is protected, and meanwhile convenience is brought to medical staff.