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231 results about "Negative pressure ventilation" patented technology
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Negative pressure ventilation. mechanical ventilation in which various devices that surround the thorax are used in such a way that the development of negative or subatmospheric pressure causes thoracic expansion and thus inhalation; the release of the negative pressure allows the thorax to relax and thus the lungs to exhale.
Method For Determining Hemodynamic Effects Of Positive Pressure Ventilation
The present disclosure relates, in some embodiments, to devices, systems, and / or methods for collecting, processing, and / or displaying stroke volume and / or cardiac output data. For example, a device for assessing changes in cardiac output and / or stroke volume of a subject receiving airway support may comprise a processor; an airway sensor in communication with the processor, wherein the airway sensor is configured and arranged to sense pressure in the subject's airway, lungs, and / or intrapleural space over time; a blood volume sensor in communication with the processor, wherein the blood volume sensor is configured and arranged to sense pulsatile volume of blood in a tissue of the subject over time; and a display configured and arranged to display a representative of an airway pressure, a pulsatile blood volume, a photoplethysmogram, a photoplethysmogram ratio, the determined cardiac output and / or stroke volume, or combinations thereof. A method of assessing changes in cardiac output or stroke volume of a subject receiving airway support from a breathing assistance system may comprise sensing pressure in the subject's airway as a function of time, sensing pulsatile volume of blood in a tissue of the subject as a function of time, producing a photoplethysmogram from the sensed pulsatile volume, determining the ratio of the amplitude of the photoplethysmogram during inhalation to the amplitude of the photoplethysmogram during exhalation, and determining the change in cardiac output or stroke volume of the subject using the determined ratio.
Owner:TYCO HEALTHCARE GRP LP
Methods and apparatus for increasing blood circulation
ActiveUS20080021531A1Reduce pressureIncrease blood flowBlood stagnation preventionPneumatic massageThrombusLeg muscle
A method and apparatus for the prevention of deep vein thrombosis (DVT), pulmonary embolism (PE), lower extremity edema, and other associated medical conditions by adjusting the temperature of the muscles of a foot or a leg, and / or applying vacuum or negative pressure to increase blood flow. A human extremity such as a leg is exposed to a negative pressure environment and / or a thermally controlled environment within a medical device. In one aspect, the device is portable. A thermal exchange unit and, optionally, a vacuum or negative pressure unit, are provided to increase blood flow and vasodilation. The device can be programmed by a controller in a manner to stimulate the muscles of the extremity to reduce pooling of blood therein.
Owner:AVACORE TECH
System, method, and device to increase circulation during cpr without requiring positive pressure ventilation
InactiveUS20090277447A1Speed up the flowRespiratorsElectrotherapyEmergency medicineIntermittent 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.In other embodiments, the invention provides a cardiopulmonary resuscitation system for use during the performance of CPR chest compressions on a patient, a novel locking supraglottic airway device, and a valve device for applying vacuum to a patient's airway.
Owner:ADVANCED CIRCULATORY SYST
Methods and devices for relieving upper airway obstructions
Methods and devices are provided that are effective to remove an obstruction in a human airway related to snoring and / or OSA. In one embodiment, the device includes a mouthpiece that is adapted to form a sealed cavity within a human mouth, and a hollow elongate member having a first end that is coupled to the mouthpiece and that is in communication with the sealed cavity, and a second end that is adapted to be coupled to a negative pressure generator. In use, a negative pressure generator can be attached to the hollow elongate member to create a negative pressure in a human mouth in response to an obstructed airway, thereby removing the obstruction. In particular, this device is effective to pull a patient's tongue and / or soft tissues of the upper airway up and away from the posterior pharyngeal wall to reopen the airway.
Owner:THE GENERAL HOSPITAL CORP
Nasal masks
Owner:FISHER & PAYKEL HEALTHCARE LTD
Ventilation system employing synchronized delivery of positive and negative pressure ventilation
InactiveUS7594508B2Operating means/releasing devices for valvesRespiratory masksPositive pressureNegative pressure ventilation
Owner:RIC INVESTMENTS LLC
Blood sensor, blood testing apparatus, and method for controlling blood testing apparatus
Owner:PHC HLDG CORP
Dry vertical shaft storage system for spent fuel of nuclear power station and storage method thereof
ActiveCN101740147AReduce the amount of wasteAvoid influenceNuclear energy generationReactor fuel elementsNuclear powerRadioactive agent
The method provides a dry vertical shaft storage system for spent fuel of a nuclear power station and a storage method thereof. The system comprises a loading subsystem, a storage subsystem, a reloading subsystem, a transferring subsystem, a residual heat discharge subsystem, a negative pressure ventilation subsystem, a fuel suction subsystem and an air blowing subsystem. The system saves a water-cooling system and a water purification system on the basis of the water storage method; the storage vertical shaft is arranged underground, so that the influence of an external event can be effectively prevented, such as airplane crash; when the spent fuel needs to be transferred, a spent fuel storage tank can be taken out of a storage depot, and then directly loaded in a spent fuel shielding transport cask through lifting equipment so as to be conveniently transported; a plant and structural equipment are not polluted by radioactive materials, so the spent fuel storage depot can be normally disassembled and retired after the spent fuel storage tank is transferred; radioactive decontamination is not needed and the spent fuel storage depot can be conveniently retired; and the storage tank can be processed in different phases to reduce initial cost according to the operation of the power station.
Owner:CHINERGY CO LTD
Methods and apparatus for increasing blood circulation
ActiveUS8182521B2Reduce pressureIncrease blood flowBlood stagnation preventionPneumatic massageThrombusArterial Vasodilation
A method and apparatus for the prevention of deep vein thrombosis (DVT), pulmonary embolism (PE), lower extremity edema, and other associated medical conditions by adjusting the temperature of the muscles of a foot or a leg, and / or applying vacuum or negative pressure to increase blood flow. A human extremity such as a leg is exposed to a negative pressure environment and / or a thermally controlled environment within a medical device. In one aspect, the device is portable. A thermal exchange unit and, optionally, a vacuum or negative pressure unit, are provided to increase blood flow and vasodilation. The device can be programmed by a controller in a manner to stimulate the muscles of the extremity to reduce pooling of blood therein.
Owner:AVACORE TECH
Biological safety protection cabin
ActiveCN102059160AImprove cleanlinessMeet research needsBreathing protectionDispersed particle filtrationControl systemProduct gas
The invention relates to a biological safety protection cabin which is characterized by comprising an upper cabin body, a lower cabin body, a central control system and a negative pressure ventilation purification and disinfection system, wherein the upper cabin body comprises a closed negative pressure cabinet; the front and back sides of the negative pressure cabinet are respectively provided with at least one transparent window and an oversleeve operation port; the left and right sides of the negative pressure cabinet are respectively provided with a transfer window; the negative pressure ventilation purification and disinfection system comprises primary and secondary exhaust high-efficiency particle filters, an exhaust fan, a first tee joint, a pipeline electric closing valve, a second tee joint and a primary blowing high-efficiency particle filter which are sequentially connected through a ventilation pipeline; the third end of the first tee joint is connected with a laboratory exhaust system through an exhaust electric closing valve; the third end of the second tee joint is connected with a blowing fan through a blowing electric closing valve; the middle part of the ventilation pipeline is connected with a gas disinfection plant through a disinfection electric closing valve; an air inlet end of the primary exhaust high-efficiency particle filter is communicated with an air outlet of the upper cabin body; and an air outlet end of the primary blowing high-efficiency particle filter is communicated with an air inlet of the upper cabin body.
Owner:MICROBE EPIDEMIC DISEASE INST OF PLA MILITARY MEDICAL ACAD OF SCI
A hyperpycnal flow model test method suitable for canyon-type reservoirs
InactiveCN102279090AImprove effectivenessBig amount of dataHydrodynamic testingHydraulic modelsTracking modelCanyon
The invention relates to a hydraulic model test method, in particular to a differential density flow model test method suitable for canyon-type reservoirs, belonging to the technical field of hydraulic engineering, and its IPC international patent classification number is E02B 1 / 02. In this test method, tracks are set on both sides of the model, and a sampling bridge that can move upstream and downstream along the track is set on the model. A sampling device composed of a sampling tube and a copper tube is integrated on the probe rod on the sampling bridge. The device is connected, and the negative pressure device includes a water ring pump, an air storage tank and a suction pipe. Through the negative pressure device and the sampling pipes installed at different water depths, it is very convenient and timely to sample multiple sections and different water depths, which improves the sampling efficiency and the validity of the sand content samples, and increases the data volume of the test data. The test accuracy is improved, and the work efficiency is significantly improved.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
Blood test apparatus and method of controlling the same
InactiveUS20110237978A1Measurement stabilitySimple configurationDiagnostic recording/measuringTemperature sensorsDefinite periodSkin contact
A blood test apparatus having a simple constitution whereby stable measurement can be conducted by surely sampling the blood in an amount being small but sufficient for the test without placing too much burden on a patient. When a first skin contact sensor of this apparatus detects the skin, driving of a negative pressure unit is initiated. Thus, the skin rises and comes into contact with a second skin contact sensor. After piercing into the skin, the negative pressure supply is once ceased. Next, the negative pressure is applied again for a definite period of time. Thus, the opening in the skin is broadened, which facilitates the flow out of the blood.
Owner:PHC HLDG CORP
Exercise device
InactiveUS8900098B2Quality improvementIncrease intensityBreathing protectionClubsCost effectivenessEngineering
Owner:EGAN
Isolation compartment device with negative pressure ventilation and epidemic prevention medical functions
PendingCN110141441AImprove sealingReasonable arrangementBreathing protectionTreatment roomsDisinfectantFiltration
The invention discloses an isolation compartment device with negative pressure ventilation and epidemic prevention medical functions. The device comprises an isolation compartment, individual partitions, a stretcher door, an isolation door, a stretcher fixing position, a sterilizing lamp, a toilet, a negative pressure ventilation and disinfection system and a main valve, wherein the isolation doorand the stretcher door are respectively mounted at one side of the isolation compartment, the individual partitions, the stretcher fixing position, the sterilizing lamp and the toilet are mounted inthe isolation compartment, and a valve, a pump, a generator and the main assembly of the negative pressure ventilation and disinfection system are mounted in an equipment compartment. In addition, anoxygen delivery pipeline, a disinfectant pipeline and an exhaust pipeline which are connected with the negative pressure ventilation and disinfection system are respectively mounted in the isolation compartment, and the main valve is mounted on the oxygen delivery pipeline, the disinfectant pipeline and the exhaust pipeline. The isolation compartment device with negative pressure ventilation and epidemic prevention medical functions, disclosed by the invention, is good in air tightness and reasonable in arrangement and has the properties of high efficiency, multiple filtration and efficient filtration; and the equipment is independently partitioned to ensure that the inside of the compartment is easy to sterilize, disinfect and clean, the exhausted gas is not polluted, and a vehicle is clean when the vehicle is used every time.
Owner:BRILLIANCE SPECIAL VEHICLE EQUIP TECH DALIAN CO LTD
Negative-pressure ventilation type pig raising system based on biological fermenting bed
InactiveCN101933462AImprovement of stuffy heat and poor ventilationReduce the temperatureAnimal feeding devicesAnimal feeding stuffDiseaseBrick
The invention discloses a negative-pressure ventilation type pig raising system based on a biological fermenting bed, comprising an enclosure, a roof and a pig raising yard, wherein the enclosure is built by construction materials; the roof is arranged on the top of the enclosure; and the pig raising yard is arranged in the enclosure. The enclosure is manufactured by hollow bricks and a double-layer wind tunnel hollow wall body is designed, the double-layer wind tunnel hollow wall body is communicated with an air intake channel at the groundsill, and a spray device is arranged at a wind tunnel port; the roof is designed by adopting roof heat insulation, such as multi-housing construction and the like, and the top part is provided with an exhaust fan and an air hole; and the pig raising yard is a microorganism fermenting bed pig raising yard which is a rectangular single-column yard, a cement passage is arranged at one side of the enclosure, and the rest of parts are the microorganism fermenting bed, and automatic feed boxes are arranged at the two ends of the cement passage. By adopting the pig raising system of the invention, zero emission of pig dung is realized in the true sense, the cleaning sanitary level of a pig field is improved all around, the feed utilization ratio is improved, the occurrence and spreading of diseases are effectively reduced, the pork quality is increased, the hog in-yard time is decreased, labor production ratio is improved, and the cost consumption of water, electricity and the like is reduced.
Owner:SUICHUAN JIAYU ANIMAL HUSBANDRY
Blood test apparatus and method of controlling the same
InactiveUS7976478B2Measurement stabilitySimple configurationDiagnostic recording/measuringTemperature sensorsDefinite periodSkin contact
Owner:PANASONIC HEALTHCARE HLDG CO LTD
Automatic production equipment and technology of power storage battery
ActiveCN105977551AImprove casting and welding efficiencyImprove consistencyFinal product manufactureLead-acid accumulators constructionCasting moldEngineering
The invention provides an automatic production equipment and technology of a power storage battery. The cast welding efficiency is greatly improved and the product uniformity is improved through arranged conveyor chain and material carrier loader. Double cast welding platforms and double soldering baths are arranged and a same casting mold mechanism is shared; and the second cast welding platform carries out cast welding operation while the first cast welding platform carries out soldering operation, so that the cast welding efficiency is improved by two sets of cast welding platforms through alternating operation; cast welding defects of false welding, cold soldering and the like caused by lead layer oxidation are prevented through pre-treatment technologies of plate lug polishing, soldering flux brushing, soldering and the like; the cast welding quality is improved; and artificial field operation is not needed. A full-closed space is formed and is connected with a negative pressure ventilation system, so that the harm of lead fume to the body of an operator or the environmental pollution can be greatly reduced.
Owner:武汉海王新能源工程技术有限公司
Dual negative pressure adjustable wound negative pressure therapy device based on microprocessor core
Owner:BEIHANG UNIV
Device and method for disassembling low-radioactivity gather type waste filter
PendingCN107812781AGuaranteed safe collectionCause secondary pollutionSolid waste disposalPlastic recyclingAgricultural engineeringWaste treatment
The invention discloses a device and method for disassembling a low-radioactivity gather type waste filter. The low-radioactivity gather type waste filter to be disassembled is placed into a disassembling system, after an outer package is removed, a bottom seam cutting machine, a top seam cutting machine, a vertical seam cutting machine and a transfer tray are cooperated for carrying out bottom seam cutting on the front handle end face, top seam cutting on the air exhaust top face, vertical seam cutting on the front handle face and vertical seam cutting on the rear handle face of a metal shellof the low-radioactivity gather type waste filter, the front handle face and the rear handle face are separated in first batch, a core is recycled after cut, and the metal shell and glue attached tothe metal shell are heated in a tunnel type drying oven and subjected to glue shoveling treatment through a glue shoveling negative pressure ventilation cabinet to be classified and recycled. The gather type waste filter can be disassembled before waste treatment, meal materials and nonmetal materials are classified, and the device and method have the advantages of being high in automation degree,high in efficiency, safe and environmentally friendly, saving energy and the like.
Owner:HENAN HEJING CLEANING TECH
Method for preventing gas from being accumulated at corners on coal faces
InactiveCN102562088AAvoid accumulationAdjust the shunt flowTunnel/mines ventillationGas removalDrill siteProcess engineering
The invention relates to a method for preventing gas from being accumulated at corners on coal faces. A process tunnel is added on the basis of an original 'U'-shaped mining gateway, and is placed at the top of a coal seam, and is close to the inner side of a return airway and parallel to the return airway and an intake airway, and the intake airway is respectively communicated with the return airway and the process tunnel via working surfaces so as to form two 'U'-shaped ventilating channels; and the process tunnel not only can realize total negative-pressure ventilation, but also realizes local fan ventilation. A drill site is further arranged in the process tunnel, gas is extracted, and water or stopping liquid is injected into the coal seam. The process tunnel is added on the basis of the original 'U'-shaped mining gateway to form the double 'U'-shaped ventilating channels, return air of the original return airway is divided, and accumulation of gas at corners on a return air area is avoided; and the drill site further can be arranged in the process tunnel to extract gas of the coal seam, an adjacent layer and a worked-out section, or the water or stopping liquid is injected into the coal seam, the purposes of dust fall and fire prevention are achieved, and production is not affected.
Owner:SHANXI FENXI MINING GRP +1
Vibrative cupping apparatus
The invention discloses a shaking suction cup. A cup body of the suction cup is provided with a micro direct-current electric shaker mainly; and the cup body of the suction cup is of a piston type or an air suction type. After the cup body is adsorbed on a human body and then is electrified with a direct current power supply, the cup body generates the shaking; and an acupuncture point which is subjected to negative pressure adsorption by the suction cup has local hyperaemia and also generates the shaking to ensure that the position of the acupuncture point has effects of promoting blood circulation and removing obstruction in channels at the same time, thereby achieving better medical effect.
Owner:徐西元
Therapeutic apparatus for dental department
ActiveCN106214275AEfficient use ofEnvironmental AwarenessTeeth fillingMedical devicesOzone generatorLiquid medium
The invention discloses a therapeutic apparatus for the dental department. The therapeutic apparatus comprises a host, a connecting pipe and a handle which are connected in sequence. An ozone generator and a mixer are installed in the host, the ozone generator and a liquid medium are connected to the input end of the mixer, and the output end of the mixer is connected to the connecting pipe. According to the therapeutic apparatus, a local administration space is formed through an injection needle and a negative pressure suction opening at the front end of the handle, washing and negative pressure suction are both achieved, operation is simple and easy to implement, and the therapeutic apparatus can be used for treating periodontitis, pericoronitis, gingivitis and mucosal diseases; the therapeutic apparatus is used for root canal therapy and negative pressure suction which are better than conventional natural drainage, and a better removing effect is achieved on inflammatory substances which are in root canals and side wall root canals and are difficult to suck out at the normal temperature.
Owner:NANJING SEALAND MEDICAL INSTR CO LTD
Support method for fully-mechanized coal mining face full-negative-pressure withdrawing channel
InactiveCN105134266AReasonable designGuaranteed ventilation section requirementsMining devicesUnderground chambersPre stressPre stressing
The invention relates to the technical field of mining engineering, in particular to a support method for a withdrawing channel. The support method achieves full-negative-pressure ventilation during highly gassy mine fully mechanized coal mining face support withdrawing. After lasting mining of a fully mechanized coal mining face is ended, the self-excavation withdrawing channel is formed through coal cutting of a coal cutter, high-strength anchor rod (cable) support is performed on the withdrawing channel, the roadway retaining mode of driving nogs behind a sheltering frame is omitted, and one-off support is utilized for achieving full-negative-pressure ventilation during support withdrawing. According to the top plate structure of the withdrawing channel, the method of high-pre-stress anchor rod (cable) support is adopted for surrounding rock control. Anchor rods (cables) are adopted for supporting the withdrawing channel in a cantilever mode, nog construction in a traditional support withdrawing mode is basically eliminated, and support strength can meet the requirement for a ventilation section in full-negative-pressure support withdrawing. Through innovating the full-negative-pressure withdrawing channel support mode, the labor intensity is lowered to the maximum degree, the support withdrawing efficiency is improved to the maximum degree, and finally the safe, efficient and economical support withdrawing mode is achieved.
Owner:TIANDI SCI & TECH CO LTD +2
Disposable high negative pressure drainage device
InactiveCN102961815AReduce in quantityEasy to moveWound drainsSuction devicesDrainage cathetersEngineering
The invention discloses a disposable high negative pressure drainage device. The disposable high negative pressure drainage device comprises a high negative pressure drainage bottle and a drainage needle; the high negative pressure drainage bottle contains a transparent bottle body; by a partition plate, the interior of the bottle body is divided into two or more high negative pressure spaces which are not communicated inside the bottle body; a drainage catheter with a switch device is correspondingly arranged on the bottle body above each high negative pressure space and connected with the drainage needle; through puncturing the position to be drained, the drainage needle conducts drainage under the negative pressure action in the high negative pressure drainage bottle. According to the scheme, the disposable high negative pressure drainage device can correspond to two wounds, thereby reducing the quantity of the high negative pressure drainage bottles used on a patient body, facilitating the movement of the patients, and saving the medical cost; and the drainage needle can reduce the wound to the patients through pulling out a needle core and utilizing a needle tube for drainage, facilitates the drainage of an indwelling catheter, and the drainage efficiency can be improved.
Owner:SUZHOU RUIHUA HOSPITAL
Z type horizontal stratification top coal caving coal mining method in half-edge thick coal seam
ActiveCN103061765AOptimize layoutOptimize production systemUnderground miningSurface miningCommunications systemEngineering
The invention relates to an underground coal mining method, in particular to a Z type horizontal stratification top coal caving coal mining method in a half-edge thick coal seam. The method comprises the following steps: arranging an alley way, comprising tunneling a roof alley along the roof of the coal seam, setting wind and water pipelines and liquid inlet and outlet high pressure pipes in the roof alley, arranging a communication system, and paving a scraper conveyor; using the roof alley as a wind inlet alley, a transport alley and a safety exit; reserving a bottom board alley along the coal seam at the back of a mining working face so that two safety exits are formed on the mining working face; using the bottom board alley as a wind return alley and a safety exist so that the wind inlet alley is separated from the wind return alley; mining, comprising moving the tail of a scraper conveyer in the roof alley; moving the scraper conveyer on the working face; detaching a trapezoid support in the roof alley; carrying out coal breakage; moving the support; and carrying out gob-side entry retaining. According to the method, the arrangement of the alley is improved, the production system is optimized, and full exhaust ventilation of the working face is realized.
Owner:BEIJING HAOHUA ENERGY RESOURCE
Wound treatment method and apparatus
A wound treatment method capable of promoting the treatment of a wound is provided. The wound treatment method comprising: placing a foam dressing at a wound site; sealing the wound site by attaching a film dressing to the skin adjacent to the wound site; lowering pressure in a sealed space, which is formed between the film dressing and the wound site, to a target negative pressure level by supplying negative pressure generated by a negative pressure generation unit to the sealed space; maintaining the pressure in the sealed space at the target negative pressure level for a first setting period; stopping the supply of the negative pressure for a second setting period, which follows the first setting period; and injecting a medication into the wound site within the second setting period.
Owner:CG BIO CO LTD
Sucker type light supplement lamp used for object interior check and light supplement method thereof
InactiveCN103791326AExquisite structureVersatileLighting applicationsLighting support devicesShortest distanceEngineering
The invention discloses a sucker type light supplement lamp used for object interior check and a light supplement method thereof. The sucker type light supplement lamp comprises a tubular channel which can serve as a lamp tube of the light supplement lamp as well as a sucker negative-pressure air channel, wherein a sucker is installed on one port of the tubular channel, the other port of the tubular channel is connected with a negative-pressure pipeline, a light supplement lamp body is arranged in the tubular channel, a sucker connecting cylinder is arranged in the middle of the tubular channel, the light supplement lamp body is installed in the sucker connecting cylinder, a negative-pressure air duct or negative-pressure ventilation holes are reserved between the light supplement lamp body and the inner wall of the sucker connecting cylinder, and a light supplement lamp wire outlet allowing a power line of the light supplement lamp to be led out is formed in the lateral wall of the sucker connecting cylinder. When the lamp works, a corresponding number of objects to be detected are moved to positions below the sucker type light supplement lamps correspondingly, the suckers of the sucker type light supplement lamps are turned on to suck the objects to be detected to enable the objects to be just close to the light supplement lamps, and then the light supplement lamps are turned on to irradiate the objects to be detected at short distance. The sucker type light supplement lamp is exquisite in structure, complete in function, convenient to install, easy to operate, convenient to use and good in working effect.
Owner:北京国自奇点机器人应用技术有限公司
Nasal masks
The present invention is related to patient interfaces, such as nasal masks (2), particularly though not solely for use in providing continuous positive airway pressure therapy or positive pressure ventilation to patients suffering from obstructive sleep apnoea. In a first form the invention is a patient interface that has securement means (601) releasably attaching the interface to headstraps wherein the securement means (601) is slidably engaged with the patient interface. In a second form of the invention the mask headgear is formed of a plurality of straps (701, 702) where at least one of the plurality of straps is slidably engaged with another of the plurality of straps. In a further form the patient interface may be provided with vertically adjustable engaging means (802) that engage the patient interface with the headgear straps.
Owner:FISHER & PAYKEL HEALTHCARE LTD
Negative pressure ambulance
ActiveCN101697933AControl the possibility of cross-infectionHigh exhaust ventilation efficiencyAmbulance serviceEngineeringAir exchange
The invention discloses a negative pressure ambulance, which comprises an ambulance body, a head cover, an air pipe, and a negative pressure purification system in the ambulance, wherein the head cover is semiclosed, the back part thereof is provided with an air outlet; the air outlet is connected with the negative pressure purification system in the ambulance through the air pipe. The negative pressure ambulance has the advantages that: 1, the air exhausting and air exchanging efficiencies are high, and the movement of people around cannot influence the air exchanging effect and efficiency. Air current which is at the periphery of the head cover and enters the head cover is very obvious and stable, so that the air breathed out from the mouth of a patient cannot diffuse into a medical cabin, and the possibility of cross infection between doctors and patients is controlled; 2, the negative pressure ambulance is simple to manufacture, can be made by reconstructing a conventional general vehicle without adding the tightness of the conventional vehicle, and avoids additional reconstructing difficulties and cost caused by achieving a negative pressure standard in the cabin of the negative pressure ambulance; 3, the comfort level of the patient is improved greatly; and 4, the negative pressure ambulance is convenient to use; and the head cover can be matched with various styles of stretchers, so the adaptability is wide.
Owner:NINGBO CAREFUL SPECIAL CARS
Blood test apparatus and blood test method
InactiveUS7998087B2Simple wayTested and reliableImmobilised enzymesBioreactor/fermenter combinationsMedicineBlood test device
Owner:PANASONIC HEALTHCARE HLDG CO LTD
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