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30results about How to "No risk of cross infection" patented technology
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Disinfection-free portable ear examination endoscope
ActiveCN101810463AUnderstand comprehensivelyLow costOtoscopesEndoscopesEars examinationOtolaryngology/ENT
The invention discloses a disinfection-free portable ear examination endoscope. A handheld endoscope comprises an endoscope handle, an endoscope body and a disposable casing, wherein the endoscope handle and the endoscope body can be separated or combined, and the endoscope body with different view direction angles can be replaced as required; and because the casing is disposable, the endoscope does not need to be specially disinfected, the risk of cross infection does not exist, thus the endoscope can be used at any time. The disinfection-free portable ear examination endoscope solves the defects that the traditional and classic ear examination endoscope can not be used in the outpatient service condition and needs high-temperature disinfection; the disinfection-free portable ear examination endoscope can be used for the situation that otolaryngologists need to replace different view direction angles at any time in outpatient service to observe ear lesion situation, and has the advantages of low cost, clear image, light and small whole system and convenient carrying.
Owner:陕西飞秒医疗设备有限公司
Medical catheter and medical device
PendingCN114533211AIncrease bite forceIncrease sampling volumeMulti-lumen catheterGastroscopesEngineeringBiopsy forceps
The invention relates to a medical catheter and a medical device, the medical catheter comprises a first main body section, a first bending section and a first head section, the first main body section is provided with a first passage, at least one second passage and at least one third passage, the first passage is used for allowing a medical device to penetrate in and out, the second passage is used for circulating a medium or introducing a circuit, and the third passage is used for allowing the medical device to penetrate in and out. The third passage is used for configuring a pull wire. The medical device comprises the medical catheter, an outer tube and a handle, the outer tube and the handle are used in cooperation with the medical catheter, under the condition that the outer diameter of the first body section is not changed, the inner diameter of the first channel is enlarged, the sectional area of the first channel is increased by one time, biopsy forceps with the outer diameter being 1.5 mm can be used in the first channel, and the biopsy forceps can be used in the second channel. Therefore, the bite force of the biopsy forceps is increased, the sampling amount is greatly increased, the sampling frequency is reduced, and the application range of the biopsy forceps is expanded.
Owner:MICROPORT UROCARE JIAXING CO LTD +1
Active epidemic prevention device and method for intelligent recovery and detection of mouth-nose mask
ActiveCN113628738AEasy to replaceEasy to solveParticular environment based servicesEpidemiological alert systemsDiseaseNose
The invention belongs to the field of intelligent epidemic prevention, and relates to an active epidemic prevention device and method for intelligent recovery and detection of a mouth-nose mask. The device is combined with equipment such as a mobile phone to collect information such as a GPS of a user, the used mouth-nose mask is subjected to precise recovery management such as recovery, sealing, cross-contamination-free storage, identification, distinguishing and the like, a droplet sample on the mouth-nose mask is detected to obtain a result, information such as the GPS is combined to be fed back to a supervision department for comprehensive evaluation, and early warning and precise epidemic prevention are achieved. The device is clear in structural design, droplet samples from the upper respiratory tract, the lower respiratory tract and the digestive tract can be collected through the mouth-nose mask for detection, the efficiency is higher, a waste mouth-nose mask is reminded to be replaced and monitored, and therefore respiratory infectious diseases such as new coronavirus are found in the early stage, and positive patients arereminded to see a doctor in time; the initiative, automation and intelligence of epidemic situation monitoring are improved, the cross infection risk of medical staff and examinees is reduced, and a new direction is opened up for supervision and epidemic prevention work of respiratory infectious diseases.
Owner:CENT SOUTH UNIV
Multifunctional sampling detection rod used for saliva and DNA (deoxyribonucleic acid) sample collection and alcohol detection
PendingCN108414512ASimple structureReduce volumeMaterial analysis by observing effect on chemical indicatorSurgical needlesAlcohol contentSaliva sample
The invention provides a multifunctional sampling detection rod used for saliva and DNA (deoxyribonucleic acid) sample collection and alcohol detection. The multifunctional sampling detection rod comprises a holding part, a sampling part and a detection part, wherein the sampling position is positioned on one end of the holding part and is connected with the detection part arranged on the holdingpart; an adsorption material used for adsorbing a saliva sample is fixed on the sampling part; the detection part is provided with an alcohol detection test strip. The multifunctional sampling detection rod disclosed by the invention has the advantages of convenience in use and simpleness in operation, DNA sample collection can be finished while the saliva is collected, and three indexes are detected for saliva alcohol contents. The multifunctional sampling detection rod has the advantages of simple structure and small volume, is suitable to use in field during law enforcement and is also verysuitable to use for individuals and families according to requirements. Painless collection is realized, no trauma or invasiveness is in the presence, and a user does not generate discomfortableness.The multifunctional sampling detection rod is used in one time, and no cross infection risks are in the presence. The collected DNA sample is suitable for genetic analysis detection, other medical examinations and the like.
Owner:北京中生朗捷生物技术股份有限公司
Vital capacity test device and use method thereof
PendingCN109567810AReal-time detection and collectionShorten test timeDiagnostic recording/measuringSensorsEngineeringPlastic film
The invention provides a vital capacity test device, which is characterized by comprising a holding handle and a cylindrical compression plastic film, wherein the holding handle is used for being heldby the hand; the cylindrical compression plastic film is provided with a volume scale; the air inlet end of the holding handle is provided with an air blowing opening; a funnel-shaped air inlet cavity is formed in the holding handle; a self-sticking plastic closing film used for sealing an air outlet of the air inlet cavity is arranged at the tail end of the air inlet cavity; an opening at the front end of the cylindrical compression plastic film is connected with the air outlet end of the holding handle; a hard base used for reading vital capacity data is arranged at the inner side of the bottom of the cylindrical compression plastic film, so that the air can favorably push the hard base to drive the cylindrical compression plastic film to be backwards unfolded to form a cylindrical shape during the test; an air outlet plug pin matched with an air outlet of the air inlet cavity is arranged in the middle part of the upper surface of the hard base. The vital capacity test device has the advantages that the structure is simple; the operation is convenient and fast; the cost is low; the goal of using one vital capacity test device by one person can be achieved.
Owner:FUJIAN CHUANZHENG COMM COLLEGE
Pulmonary ventilation function detection method and device based on flow-volume loop graph and medium
ActiveCN112842321ANo disturbanceEasy experienceDiagnostic signal processingRespiratory organ evaluationLung volumesIntensive care medicine
The invention relates to a pulmonary ventilation function detection method and device based on a flow-volume loop graph and a medium. The detection method comprises the following steps of obtaining an electrical impedance signal of a to-be-detected object; performing amplitude solving processing on the electrical impedance signals to obtain a thoracic impedance amplitude signal sequence reflecting the ventilation conditions of the four areas; fusing the thoracic impedance amplitude signal sequences of the four areas to obtain a thoracic impedance characteristic value sequence; converting the thoracic impedance characteristic value sequence into a lung volume sequence, performing digital differential processing on the lung volume sequence to obtain a lung ventilation flow sequence, and generating a total flow-volume loop graph and a flow-volume loop graph of each area; and obtaining a total pulmonary ventilation function and a pulmonary ventilation function detection result of each region based on the flow-volume loop graph. Compared with the prior art, the method has the advantages of simple measurement process, easiness in implementation, no cross infection risk, accuracy, reliability, capability of being popularized and applied and the like.
Owner:SHANGHAI JIAO TONG UNIV
Reusable breathable antibacterial electrode plate and preparation method thereof
ActiveCN111493863AImprove conductivityEfficient conductionDiagnostic recording/measuringLiquid/solution decomposition chemical coatingMeth-Perfluoroacetic Acid
The invention discloses a reusable breathable antibacterial electrode plate and a preparation method thereof. The reusable breathable antibacterial electrode plate comprises an electrode plate body and a conductive film, the conductive film is sequentially composed of a hydrogel layer, a silver layer and a hydrocolloid layer from bottom to top, and the electrode plate body and the hydrocolloid layer are tightly bonded, the hydrogel layer is prepared from the following raw materials: eugenol, boron trifluoride diethyl etherate, triisopropylsilane, lipidosome, multi-walled carbon nanotubes, polydiallyldimethylammonium chloride, nanocellulose, polyacrylamide, ammonium persulfate, methacrylic anhydride, polyhexamethylene guanidine hydrochloride, octylphenol polyoxyethylene ether, Tween-80, anhydrous trifluoroacetic acid or boron trifluoride. According to the electrode plate, the composite conductive hydrogel is used as a conductive film, so that the electrode plate is good in conductivityand biological safety, and still has self-adhesion, air permeability, sweat absorbability and antibacterial property under the action of sweat, slight deformation can be achieved according to human skin elasticity, and electric signal stability is not affected, and the electrode plate is convenient to remove and can be repeatedly used.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV
Multifunctional protector for tracheotomy tube
PendingCN111544724ALess susceptible to infectionComfortable to wearTracheal tubesAgainst vector-borne diseasesTrach tubeInternal cavity
The invention discloses a multifunctional protector for a tracheotomy tube. The multifunctional protector comprises a sputum collecting device connected with a protective tube, and an inner cavity ofthe sputum collecting device is connected and communicated with an inner cavity of the protective tube; the ventilation device is connected with the protection tube, and the ventilation device and thesputum collection device are not located on the same side of the protection tube; the lacing device is connected with the protective tube through a rotating shaft; the second pipeline is inserted into the protective tube, and the second pipeline is connected with a tracheotomy tube; the third pipeline is inserted into the protection pipe, the third pipeline slides relative to the protection pipe,and a clamping plate is fixedly installed on the third pipeline; sputum of a patient is effectively prevented from splashing to pollute the environment, the risk of cross infection is avoided, an incision is not prone to infection. Meanwhile, the self-image of the patient is not affected well, and the patient cannot have self-reliance psychological and social fear. A patient wears comfortably, the comfort degree is high, and replacement is convenient.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV
Hospital patient treatment assisting system
PendingCN113380390AQuick identificationAutomatic counting of people flowCo-operative working arrangementsHealthcare resources and facilitiesComputer scienceOlder patients
The invention discloses a hospital patient treatment assisting system which is composed of an RFID tag device, an RFID read-write device, a data collector and a server, the RFID tag device is used for recording identity information of a patient, and the RFID read-write device is used for reading the identity information of the patient stored in the RFID tag device; according to the invention, the area where the patient is located can be rapidly identified, the people flow rate of the area can be automatically counted, when the people flow rate of a certain area is too large, a hospital guide person is automatically reminded to intervene for guidance, and whether the area where the patient is located has registration information or settlement information or arrearage information can be rapidly identified; if yes, the patient is automatically queued, the patient does not need to manually take a number for queuing, especially the old patient or the patient with difficulty in moving is facilitated, the queuing efficiency is effectively improved, meanwhile, the risk of cross infection does not occur, and the patient has good doctor-seeing experience.
Owner:厦门拜特信息科技有限公司
Urology urinary catheterization set
InactiveCN107929827APrevent urethral edemaSimple structureMedical devicesIntravenous devicesUrineEdema
The invention discloses a urology urinary catheterization set which comprises a host, a pump valve component, a urinary catheter and a urine bag, wherein the pump valve component is detachably mountedon the host and connected with the urinary catheter and the urine bag through hoses. The urinary catheter comprises a catheter body, a connecting cover, a communication cover, a bag and a catheter connecting portion, the connecting cover is connected at one end of the catheter body, the communication cover is connected at one end of the connecting cover, the bag is connected at one end of the outer wall of the catheter body close to the connecting cover, the catheter connecting portion is connected at one end of the catheter body far away from the connecting cover, a heating inner pipe a, a heating inner pipe b, a bag liquid injection pipe and a drug feeding pipe are integrally formed on the inner wall of the catheter body, a connecting plug a and a connecting plug b are formed at one endof the connecting cover and correspond to the heating inner pipe a and the heating inner pipe b, two ends of the connecting plug a and a connecting plug b are communicated, a space is formed betweenthe communication cover and the connecting cover and communicated with the connecting plug a and the connecting plug b, the urinary catheter is matched with the heater, a motor and the pump valve component to heat a urethra, and edema of the urethra is prevented.
Owner:QINGDAO MUNICIPAL HOSPITAL
Body temperature monitoring nursing device for pediatrics
InactiveCN112472044AEasy to disassembleSave resourcesDiagnostic recording/measuringSensorsMedical staffBandage
The invention relates to the technical field of body temperature monitoring devices, and discloses a pediatric body temperature monitoring and nursing device. The device comprises a carrier plate anda bandage; a positioning plate is placed at the top of the carrier plate, and limiting grooves are formed in the left side and the right side of the positioning plate. According to the body temperature monitoring and nursing device for the pediatrics department, by arranging a buzzer alarm, a controller, a flash lamp, a Velcro hook face, a Velcro loop face and a temperature sensor, when a user uses the device, the bandage is wound around the hand or the leg of a child patient and is fixed through the Velcro hook face and the Velcro loop face; the temperature sensor monitors the body temperature of a child patient and transmits the body temperature to the controller in real time, and if the temperature is too high or too low, the controller starts the buzzer alarm to start buzzing and starts the flash lamp to flash, so that family members or medical staff of the child patient can be reminded to find abnormal problems of the child patient in time, and the device is suitable for situations such as infantile convulsion and hyperpyrexia; when the temperature sensor slides down, the temperature is inevitably changed, and warning can also be triggered.
Owner:石孝霞
A urological catheterization device
InactiveCN107802900BSimple structurePrevent edemaBalloon catheterMulti-lumen catheterUrethral catheterizationUrethra
Owner:常艳华
Medical multifunctional hand guard
InactiveCN104666020APrevent and reduce edemaPromote refluxRestraining devicesNursing bedsWrist restraintEngineering
A medical multifunctional hand guard comprises a trapezoidal groove, a movable outer cloth sleeve and two wrist restraint straps, wherein a through hole is formed in the bottom of the trapezoidal groove, the movable outer cloth sleeve sleeves the trapezoidal groove, and the wrist restraint straps are arranged on two sides in the trapezoidal groove. The medical multifunctional hand guard is reasonable in structure and convenient to operate; the pain of a patient can be reduced, and the patient is safer; furthermore, the working difficulty of medical workers who nurse severe case patients is reduced effectively and the nursing work load is reduced.
Owner:THE PEOPLES HOSPITAL OF GUANGXI ZHUANG AUTONOMOUS REGION
An active epidemic prevention device and method for intelligent recovery and detection of mouth and nose masks
ActiveCN113628738BEasy to replaceEasy to solveParticular environment based servicesEpidemiological alert systemsDiseaseEngineering
The invention belongs to the field of intelligent epidemic prevention, and relates to an active epidemic prevention device and method for intelligent recovery and detection of mouth and nose masks. The device collects GPS and other information of the user in combination with mobile phones and other equipment, and performs precise recovery and management of the used mouth and nose masks: recycling and sealing without cross-contamination, storage and identification, etc., testing the droplet samples on the mouth and nose masks to obtain results, Combined with GPS and other information feedback to the regulatory authorities for comprehensive assessment, to achieve early warning and precise epidemic prevention. The structure of the device is clearly designed. It can collect droplet samples from the upper, lower respiratory tract and digestive tract through the mouth and nose mask for detection. " and other respiratory infectious diseases and timely reminders to seek medical treatment for positive tests have improved the initiative, automation and intelligence of epidemic monitoring, reduced the risk of cross-infection between medical staff and subjects, and opened up new opportunities for the supervision and epidemic prevention of respiratory infectious diseases. direction.
Owner:CENT SOUTH UNIV
Pulmonary ventilation function detection method, equipment and medium based on flow-volume loop diagram
ActiveCN112842321BNo disturbanceEasy experienceDiagnostic signal processingRespiratory organ evaluationLung volumesEmergency medicine
The invention relates to a method, device and medium for detecting pulmonary ventilation function based on a flow-volume loop diagram. The detection method includes the following steps: acquiring an electrical impedance signal of an object to be measured; and performing amplitude processing on the electrical impedance signal , obtain the thoracic impedance amplitude signal sequence reflecting the ventilation status of the four regions; fuse the thoracic impedance amplitude signal sequence of the four regions to obtain the thoracic impedance characteristic value sequence; transform the thoracic impedance characteristic value sequence into a lung Volume series, and perform digital differential processing on the lung volume series to obtain the lung ventilation flow series, generate the total flow-volume loop diagram and the flow-volume loop diagram of each area; obtain the total flow-volume loop diagram based on the flow-volume loop diagram Pulmonary ventilation function and test results of pulmonary ventilation function in each area. Compared with the prior art, the present invention has the advantages of simple and easy implementation of the measurement process, no risk of cross-infection, accuracy and reliability, popularization and application, and the like.
Owner:SHANGHAI JIAOTONG UNIV
Disinfection-free portable ear examination endoscope
ActiveCN101810463BUnderstand comprehensivelyAvoid replacementOtoscopesEndoscopesEars examinationCross infection
Owner:陕西飞秒医疗设备有限公司
Urology Catheterization Kit
ActiveCN107952119BSimple structurePrevent edemaMedical devicesIntravenous devicesUrinary catheterUrethra
Owner:南京医事达生物科技有限公司
Small needle-knife system for removing human body capillary thrombus by using negative pressure
PendingCN112773468AImprove work efficiencyRelieve painIncision instrumentsSuction devicesBlow moldingHuman body
The invention discloses a small needle-knife system for removing human body capillary thrombus by using negative pressure. The small needle-knife system is a disposable tool and consists of a negative pressure tank, a small needle-knife fixing body and small needle-knives; the negative pressure tank is formed by high-molecular non-toxic transparent plastic through injection molding or blow molding, and a section of conical tank body is arranged in the middle of the negative pressure tank; the small needle-knife fixing body is a cone made of medical plastic and is fixed at the conical tank body; a plurality of grooves are uniformly and symmetrically formed in the outer side of the small needle-knife fixing body; the small needle-knife fixing body and the six small needle-knives are poured into a whole; the six small needle-knives are arranged in a plum blossom shape, and the small needle-knives are stainless steel hollow miniature needle-knives. The small needle-knife system is convenient to use, puncture and aspiration can be directly, quickly and flexibly completed to remove thrombus, the operation time is shortened, and the pain of a patient is reduced.
Owner:周恩立
Medical catheter and medical device comprising same
PendingCN114533209AImprove stabilityIncrease distanceMulti-lumen catheterCannulasIntestinal wallsCatheter
The present invention relates to a medical catheter and a medical device comprising the same, the medical catheter comprising an outer tube main body section, an outer tube curved section, and an outer tube head section, the medical catheter further comprising a support part and a passage, the support part being filled with a medium through the passage into a storage cavity, so that the support part is expanded or the medium is extracted from the storage cavity through the passage, and the supporting part is contracted. The medical device comprises the medical catheter, an inner tube and a handle, the inner tube and the handle are used in cooperation with the medical catheter, and the far end of the inner tube enters the handle from the channel of the handle, penetrates into the medical catheter and extends out of the far end of the medical catheter. The stability of the medical device is enhanced by arranging the supporting part, the storage cavity in the supporting part is filled with a medium through the passage, the supporting part is expanded and drives the whole medical catheter to move and be tightly attached to the intestinal wall, the intestinal space is expanded through the supporting part, the distance from the inner tube to the nipple is increased, and the medical device is more stable. And space and stability are provided for operation of the inner pipe.
Owner:MICROPORT UROCARE JIAXING CO LTD +1
Breathable antibacterial electrode sheet and preparation method thereof
ActiveCN111493863BImprove conductivityEfficient conductionLiquid/solution decomposition chemical coatingDiagnostic recording/measuringFluoroacetic acidMeth-
The invention discloses a gas-permeable antibacterial electrode sheet and a preparation method thereof, comprising a reusable electrode sheet and a conductive film detachable from the electrode sheet. The conductive film consists of a hydrogel layer, a silver layer and a hydrocolloid layer from bottom to top Composition, the electrode sheet and the hydrocolloid layer are closely pasted; the raw materials of the hydrogel layer include: eugenol, boron trifluoride ether, triisopropylsilane, liposomes, multi-walled carbon nanotubes, polydiallyl di Methylammonium chloride, nanocellulose, polyacrylamide, ammonium persulfate, methacrylic anhydride, polyhexamethylene monoguanidine hydrochloride, octylphenol polyoxyethylene ether, Tween‑80, anhydrous tris Fluoroacetic acid or boron trifluoride. The electrode sheet uses a composite conductive hydrogel as a conductive film, which has good conductivity and good biological safety. Under the action of sweat, it still has self-adhesiveness, is breathable, sweat-absorbent, and has antibacterial properties; it can be slightly deformed according to the elasticity of human skin. , without affecting the stability of the electrical signal; the electrode sheet is easy to remove and can be reused.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV
Pump valve assembly of urinary catheterization kit
InactiveCN110812541ASimple structurePrevent edemaMedical devicesIntravenous devicesUrology departmentMechanical engineering
Owner:胡玥
Urine guide suit for urology department
ActiveCN107952119ASimple structurePrevent edemaMedical devicesIntravenous devicesUrethraUrology department
The invention discloses a urine guide suit for the urology department. The urine guide suit comprises a main unit, a pump valve assembly which is detachably installed on the main unit, and a urine guide pipe and a urine bag which are connected with the pump valve assembly through hoses respectively. The urine guide pipe comprises a pipe body, a connecting cover connected to one end of the pipe body, a communicating cover connected to one end of the connecting cover, a bag body connected to the end, close to the connecting cover, of the pipe body, and a pipe connecting part connected to the end, away from the connecting cover, of the pipe body. A heating inner pipe a, a heating inner pipe b and a bag body liquid injecting pipe are integrally formed on the inner wall of the pipe body. A connecting plug a and a connecting plug b which are through at two ends are formed at the positions, corresponding to the heating inner pipe a and the heating inner pipe b, of one end of the connecting cover respectively. A space for making the connecting plug a communicated and connected with the connecting plug b is formed between the communicating cover and the connecting cover. The urine guide pipe is matched with a heater, a motor and the pump valve assembly to heat urethra, and the aim of preventing urethra edema is achieved.
Owner:南京医事达生物科技有限公司
Antifogging and disinfection-free portable endoscope for examining nose and throat
The invention discloses an antifogging and disinfection-free portable endoscope for examining nose and throat. The handheld endoscope comprises an endoscope handle, an adjustable endoscope body and a disposal casing; the endoscope handle can be separated or combined with the endoscope body; the endoscope body with different radial angles can be replaced at any time according to the requirement; and the casing is disposable, so that the endoscope is free from being especially disinfected without the risk of cross infection and can be used at any time. Hot air current is led to the front end ofthe casing and sprayed to the outer surface of a glass sheet, and meanwhile, the surface temperature of the endoscope body is consistent with the temperature of human body by using the heat generatedby an electrothermal film, so that the invention plays a role of eliminating a fog layer. The invention overcomes the defects that the traditional classical endoscope for nose and throat cannot be used under the condition of outpatient services, requires high-temperature disinfection and is easy to generate fog, can be used for doctors in otolaryngological departments to replace different radial angles for observing the pathological conditions of the inside of the nose and the throat part in the outpatient services at any time, and has the advantages of low cost, definite image as well as lightness, smallness and portability of the whole system.
Owner:陕西飞秒医疗设备有限公司
Disposable portable hysteroscope
The invention discloses a disposable portable hysteroscope. The disposable portable hysteroscope comprises a front section, a rear section and a middle part connecting the front section and the rear section; the front section and the middle part are packaged together and are non-detachable; the front section and the middle part are disposable; the front section comprises an optical lens set which is inserted into a uterus; the radial size of the front section is less than 4mm; the middle part comprises a camera module and a prism; the radial size of the camera module is more than 3mm; and the resolution ratio of the camera module is more than one million pixels. The hysteroscope integrates the advantages of a traditional optical hysteroscope and a traditional electronic hysteroscope, the superfine optical lens set is used in the front section to achieve image conduction, a high-definition image sensor is used in the middle part, the front section is small in size and can enter a uterus part, anesthesia is not needed, and clear image transmission can be achieved due to the optical lens set. Therefore, the hysteroscope has the advantages of the traditional optical hysteroscope and the traditional electronic hysteroscope, and is low in price, disposable and safer.
Owner:恩视微(苏州)医疗科技有限公司
Universal pulmonary ventilation capacity and transthoracic impedance linear model construction method and application
ActiveCN114027824AEasy to calculateUniversalSustainable transportationRespiratory organ evaluationRespiratory flowPhysical therapy
The invention relates to a universal pulmonary ventilation capacity and transthoracic impedance linear model construction method and application, and the method comprises the following steps: synchronously collecting a thoracic impedance signal and a respiratory flow signal of a detected object during deep respiration, carrying out the integration processing of the respiratory flow signal, obtaining a pulmonary ventilation capacity signal, establishing a linear model between the thoracic impedance signal and the pulmonary ventilatory capacity signal; collecting individual physiological parameters of a detected object, and determining key physiological feature parameters influencing linear parameters of the linear model through a significant analysis method; and by taking the key physiological feature parameters as input and the linear parameters of the linear model as output, performing regression analysis to obtain a linear parameter regression model. Compared with the prior art, the invention has universality, and the obtained model can omit a calibration modeling link for individuals based on pulmonary ventilation capacity detection of thoracic impedance.
Owner:SHANGHAI JIAO TONG UNIV
Disposable full throw endoscope
ActiveCN110200576BNo risk of cross infectionAvoid contamination riskEndoscopesSteering controlEndoscope
The invention provides a disposable full-throwing endoscope. The disposable full-throwing endoscope comprises a pilot end part, a bending part, a hose part, a control part and a camera arranged at thepilot end part, wherein the pilot end part, the bending part, the hose part and the control part are connected in sequence; a water-gas clamp channel pipe and a suction pipe penetrate in the pilot end part, the bending part and the hose part; the water-gas clamp channel pipe communicates with an air inlet pipe, a water inlet pipe and a clamp channel joint; the control part comprises a steering control assembly for controlling the advancing direction of the pilot end part and the bending part, and a valve assembly; and the valve assembly comprises an air valve for controlling on-off of the airinlet pipe, a water valve for controlling on-off of the water inlet pipe and a suction valve for controlling on-off of the suction pipe. The pilot end part, the bending part, the hose part and the control part of the disposable full-throwing endoscope are all disposable parts, disinfection is not needed after use, and cross infection risks of patients are avoided. The clamp channel pipe and a water injection and gas injection channel are both injection channels, and the suction pipe is an independent channel, so that the risk that a sample is polluted is avoided, and the accuracy of disease diagnosis is improved.
Owner:JIANGSU XINFAAO MEDICAL TECH CO LTD
Disposable sleeve used together with ear examination endoscope and throat examination endoscope
ActiveCN101810462BImprove efficiencyNo risk of cross infectionBronchoscopesLaryngoscopesEars examinationThroat
The invention relates to a disposable sleeve used together with an ear examination endoscope, which comprises a rear cover, a front cover, an external sleeve, an internal sleeve and a light transmission optical fibre, wherein the front end of the light transmission optical fibre is level with the front end of the external sleeve and the rear end passes through a cavity between the rear end and the front end and is opened at the end face of the rear end, the rear end of the light transmission optical fiber is butted with an LED, and the rear cover can be sleeved on a cage nut of the endoscope.The disposable sleeve used together with a nose and throat examination endoscope also comprises a hot gas channel comprising a guide hole, a guide cavity, a gap between the external sleeve and the internal sleeve and an opening on the guide cover. The invention is used for the ear examination endoscope and the nose and throat examination endoscope, solves the problems of poor sterilization timeliness and easy fogging of the sterilization, and has the advantages of free sterilization, no fogging of exposed optical parts and no limit of observation angles.
Owner:陕西飞秒医疗设备有限公司
IC card consumption system integrated with human face discrimination technology
ActiveCN101510333BFalse positive rate 0Avoid key theft crimesCharacter and pattern recognitionCoded identity card or credit card actuationComputer hardwareFinancial transaction
The invention relates to the field of personal identification and IC card consumption, including off-line petty-sum consumption with E-wallets and E-bankbooks and on-line consumption and transaction with credit card and debit cards. More particularly, the invention relates to a technology which adopts the biological identification technology-human face as the IC card financial transaction user identification technology. The technical proposal of the invention replaces the traditional magnetic stripe card system with the IC card consumption system that integrates the human face identification technology, including an IC card issuing sub-system and a POS consumption sub-system.
Owner:北京天天有余科技有限公司
Medical multifunctional hand guard
InactiveCN104666020BPrevent and reduce edemaPromote refluxRestraining devicesNursing bedsWrist restraintEngineering
Owner:THE PEOPLES HOSPITAL OF GUANGXI ZHUANG AUTONOMOUS REGION
An exercise lung function measurement system based on thoracic impedance
ActiveCN112022123BHighly integratedReduce volumeSensorsTelemetric patient monitoringMicrocontrollerInterference (communication)
The invention relates to a chest impedance-based exercise pulmonary function measurement system, comprising a microcontroller (1), a wireless communication module (2), a chest impedance measurement module (3) and a dedicated electrode array (4), the chest impedance measurement The module (3) is respectively connected to a dedicated electrode array (4) and a microcontroller (1), and the microcontroller (1) is connected to the wireless communication module (2), wherein the microcontroller (1) calls the pre-stored The computer program executes the following steps: acquiring the thoracic impedance signal collected by the thoracic impedance measurement module (3); performing de-interference processing on the thoracic impedance signal to acquire the respiratory signal during exercise; obtaining local lung ventilation information based on the respiratory signal and spirometry information to realize pulmonary function assessment. Compared with the prior art, the present invention has the advantages of effectively overcoming interference, high accuracy, suitable for motion state detection, and no disturbance to the respiratory tract.
Owner:SHANGHAI JIAO TONG UNIV
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