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262results about How to "Reduce medical errors" patented technology

Method and device for establishing medical knowledge graph, and auxiliary diagnosis method

The invention discloses a method and device for establishing a medical knowledge graph, and an auxiliary diagnosis method. The method for establishing the medical knowledge graph comprises the steps that a user dictionary is established according to a medical database; electronic medical record data is processed, and named entity recognition is conducted; correlation relations are established for each recognized entity; and the medical knowledge graph is established according to the correlation relations. The auxiliary diagnosis method based on the medical knowledge graph comprises the steps that a patient's chief complaint data and inspection data are acquired and processed, so that a symptom entity and a sign entity of the patient can be obtained; a disease entity correlated with the symptom entity and the sign entity is searched in the medical knowledge graph, and a posterior probability of each disease entity in a set composed of the corresponding symptom entity and the sign entity is computed respectively; and the disease entity with the maximum posterior probability and data corresponding to correlated nodes of the disease entity are output. According to the invention, intelligent auxiliary diagnosis is provided for clinical medical science, so that working burdens of medical workers are relieved; medical stress is relieved; and occurrence rate of medical accidents is reduced.
Owner:HEFEI UNIV OF TECH

Surgical navigation method and system

A surgical navigation method comprises collecting the three-dimensional images of an organ through nuclear magnetic resonance or CT (computed tomography) before an operation; receiving a planned puncture trace input by a user and displaying the planned puncture trace in the three-dimensional images; collecting the three-dimensional images of the organ through an ultrasonic device during the operation, and converting the three-dimensional images into an operating room coordinate system through a tracer; registering the three-dimensional images before the operation with the three-dimensional images during the operation to obtain final displacement vectors and rotation matrixes; according to the final displacement vectors and the rotation matrixes, converting the three-dimensional images and the planned puncture trace into the operating room coordinate system for displaying; obtaining the motion trace of a puncture needle utilized during the operation through the tracer and displaying the motion trace, the three-dimensional images before the operation and the planned puncture trace in the operating room coordinate system synchronously. The invention also provides a corresponding surgical navigation system. According to the surgical navigation system, blurred images during the operation are replaced by clear images before the operation to provide great help to aspects such as operation, time and image clearness.
Owner:珠海中科先进技术研究院有限公司

Intelligent anaesthesia system

InactiveCN104799851AReal-time feedback on physical conditionReduce workloadAnaesthesiaInfusion devicesWireless dataData acquisition module
The invention discloses an intelligent anaesthesia system. The intelligent anaesthesia system comprises an intelligent control end, a vital sign detecting end, an anesthetic injecting end, an indoor environment monitoring end, an electronic medical information end, a breathing machine and a monitoring display screen, wherein the vital sign detecting end, the anesthetic injecting end, the indoor environment monitoring end, the electronic medical information end, the breathing machine and the monitoring display screen are connected with the intelligent control end; the vital sign detecting end comprises a brain wave scanner, an artery systolic pressure measuring equipment, body temperature detection equipment, pulse detection equipment, muscle tension detection equipment and pain sense detection equipment; the electronic medical information end comprises a data acquiring module, an information input module, a data decoding module, a wireless data transmitting module, an outpatient service receiving end module, a leaving information module and a central server. In the intelligent anaesthesia system disclosed by the invention, the intelligent control end is used for receiving the information from the vital sign detecting end, the indoor environment monitoring end, the electronic medical information end and the breathing machine and controlling the anesthetic injecting end to perform quantitative dosing so as to feed back the physical condition of a patient in real time, reduce occurrence of medical accidents and alleviating the workload of an anesthetist.
Owner:巩春智

Infusion calling automatic control and medical care management system

The invention provides an infusion calling automatic control and medical care management system. The system comprises hospital bed intelligent terminals, a doctor handheld terminal, a nurse handheld terminal, a central master control system for patient handheld terminals and a nurse station, wherein the hospital bed intelligent terminals are arranged on hospital beds and can accurately detect abnormal status information and give the alarm in the infusion process and simultaneously carry out the adjustment on the dropping speed automatically; in the non-infusion process, the hospital bed intelligent terminals can remind nurses of carrying out a nursing procedure on patients at regular time; the patient handheld terminals are used for sending the information to the hospital bed intelligent terminals; and the wireless communication among the doctor handheld terminal, the nurse handheld terminals and the hospital bed intelligent terminals is completed by the central master control system.The system is capable of accurately detecting the abnormal status information and giving the alarm in the infusion process and simultaneously adjusting the dropping speed automatically; the system iscapable of reminding the nurses of carrying out the nursing procedure on patients at regular time in the non-infusion process; the central master control system is used for managing the information of the patients and the information of medical care personnel and carrying out the real-time control and management on the plurality of hospital bed intelligent terminals.
Owner:吴迪熙

Wireless sensor network based intelligent infusion system

InactiveCN103736163AFacilitate early detection of adverse reactions by nursesAutomatic drip speed controlInfusion devicesDiagnostic recording/measuringAutomatic controlOpto electronic
A wireless sensor network based intelligent infusion system comprises more than two infusion devices; every infusion device is provided with a wireless intelligent speed measuring terminal; the output of a wireless hand wrist type physiological characteristic detector is in wireless connection with the wireless intelligent speed measuring terminals; the wireless connection between the wireless intelligent speed measuring terminals and a PC (Personal computer) is achieved through a wireless router; an antenna and a display screen are arranged outside every wireless intelligent speed measuring terminal; a temperature control heating plate, a processing module and a battery are arranged inside every wireless intelligent speed measuring terminal; the antennas and the display screens are connected with the processing modules; the infusion dripping speed is controlled by servo motors which are arranged on the infusion devices; the drip speed is measured through photoelectric speed measuring modules which are arranged on the infusion devices; the servo motors and the photoelectric speed measuring modules are connected with the processing modules; the batteries are used for providing power for the processing modules and the photoelectric speed measuring modules. According to the wireless sensor network based intelligent infusion system, the dripping speed can be automatically controlled, an alarm can be automatically given, and the remote control on the infusion is achieved.
Owner:XI AN JIAOTONG UNIV

Auxiliary intelligent infusion control system

The invention relates to an auxiliary intelligent infusion control system comprising an alarm device, a counting control device and a heating device. The alarm device comprises a music manifold block integrated circuit (IC), an alarm lamp, wireless transmitting and receiving modules, a photoelectric liquid level detection module, an LCD (liquid crystal display) module and a voice call module, wherein the photoelectric liquid level detection module is used for detecting the liquid level in an infusion bottle; and when the liquid level descends to an assigned height, the alarm lamp and the music manifold block IC are triggered to work, and simultaneously, the wireless transmitting module is used for transmitting information to the wireless receiving module in a duty room. The counting control device comprises a photoelectric drop speed detection module, a matrix keyboard and the LCD module, wherein the photoelectric drop speed detection module is used for comparing a detected drop flow rate with a set flow rate and displaying the comparison result on an LCD screen, thereby facilitating the regulation of the drop flow rate by medical staff. The heating device consists of a drive module and a heater. The auxiliary intelligent infusion control system has the advantages of simple structure, low manufacturing cost and relatively high precision.
Owner:陈建国 +1

Patient infusion bottle automatic bottle-changing device

InactiveCN109771731ARealize automatic bottle changeReduce workloadInfusion devicesFlow controlCouplingDrive shaft
The invention discloses a patient infusion bottle automatic bottle-changing device, which comprises a fixing seat, an outer wall at the top of the fixing seat is provided with grooves distributed withan equidistant distance, an infusion bottle is disposed on an inner wall of the groove, a bearing is welded to an inner wall of the bottom of the fixing seat, a transmission shaft is rotatably connected to an inner wall of the bearing, a driving sprocket is welded to an outer wall of the transmission shaft, a transmission chain is connected to an outer wall of the driving sprocket, a driven sprocket is connected to an inner wall at one side of the transmission chain away from the driving sprocket in a transmission mode, an outer wall of the transmission chain is welded with an equidistantly distributed engaging blocks, a shaft coupling is welded to an outer wall of one end of the transmission shaft, and a driving motor is welded to an outer wall of one end of the shaft coupling away fromthe transmission shaft. The automatic bottle changing of the infusion bottle is realized, the automatic insertion of the needle and withdrawing of needle can be realized, artificial medical mistakes can be reduced, the workload of the medical and health personnel can be reduced, the structure is reduced, and the automatic bottle-changing device has a reasonable design.
Owner:广东联力科技有限公司

Application of double-layer vacuum time-delay leak detection technique in large capacity injection

The invention relates to application of a double-layer vacuum time-delay leak detection technique in a large capacity injection. The large capacity injection mainly comprises an interior package, a liquid medicine and a protection outer bag outside the interior package. The process for detecting the leakage of the interior package comprises the following steps of: performing vacuum extraction between the protection outer bag and the interior package; putting the large capacity injection in a temporary storeroom for 13 to 15 days; and turning out the large capacity injection to perform inspection, wherein when an infusion soft bag with obvious water fog or water droplets is formed between the interior package and the protection outer bag, a micro-leakage large capacity injection is generated and is winkled out. The double-layer vacuum time-delay leak detection technique puts off the leakage detection time to 15 days (not the day when a product is offline) and then performs liquid leakage inspection on the large capacity injection, so the large capacity injection generating micro-leakage or has potential micro-leakage shows out and is removed. Through a technical skill of the invention, the ex-factory micro-leakage rate is reduced to 0.003 to 0.005 percent. Thus, medical accidents are reduced and the excellent health of people is ensured.
Owner:SICHUAN TAIPINGYANG PHARMA

Light-emitting diode (LED) color temperature adjusting and controlling device and LED color temperature continuous adjustable control method

The invention discloses a light-emitting diode (LED) color temperature adjusting and controlling device. The device comprises an adjustor and a driver, wherein the adjustor comprises a color temperature adjusting and controlling panel and a control signal generator; the color temperature adjusting and controlling panel is used for connecting and disconnecting a power supply and for an operator to send a color temperature adjusting and controlling signal; after receiving the color temperature adjusting and controlling signal sent by the color temperature adjusting and controlling panel, the control signal generator outputs a corresponding control signal according to an instruction; the driver comprises a microprocessor and a constant current driving module; the microprocessor receives the control signal from the control signal generator, analyzes and calculates the control signal and sends a pulse-width modulation (PWM) adjusting signal which changes the LED working current; and the constant current driving module outputs constant LED working current according to the PWM adjusting signal provided by the microprocessor. The output current of a control device is changed in a manual form, so that the color temperature and the brightness of the LED connected with the control device are adjusted.
Owner:重庆邦桥科技有限公司

Outpatient and emergency transfusion management system based on RFID (Radio Frequency Identification Devices) technology

The invention relates to an outpatient and emergency transfusion management system based on RFID (Radio Frequency Identification Device) technology, wherein a hospital information system and a digitalized transfusion chamber are seamlessly linked together by combining an outpatient and emergency transfusion management intellectualized system based on the RFID technology with a wireless network technology; and a discrete distribution management is updated to be a methodic digitalized management; Compared with the conventional transfusion mode, the outpatient and emergency transfusion management system has the advantages that by the reconfirmation on patients and transfusion medicines of the RFID radiofrequency non-contact function and the wireless transmission system of a therapy vehicle, the possible medical errors can be further reduced. A more reliable guarantee is provided for therapy and nursing for transfusion patients; and by the system integration integrating software functions and hardware functions such as identity authentication and therapeutic treatment and rescue, a more comprehensive management mode is provided for therapy for the transfusion patients in a hospital, and a solution scheme which is advanced in technology, safe, reliable and feasible is provided for transfusion management.
Owner:SHANGHAI PUDONG NEW AREA PEOPLES HOSPITAL

Novel handheld negative-pressure sputum aspirator for emergency treatment

The invention discloses a novel handheld negative-pressure sputum aspirator for emergency treatment. The novel handheld negative-pressure sputum aspirator comprises a fixed handle, wherein two guide rods are symmetrically arranged on the right side of the fixed handle, the left end of each guide rod is fixedly connected with the right end surface of the fixed handle, return springs are arranged between the two guide rods, the two guide rods penetrate through the left and right end surfaces of a movable handle, the other end of each guide rod is fixedly connected with a support board, accommodating grooves are formed in the upper parts of the front and rear sides of the movable handle, a through hole is formed in the middle of the movable handle, the middle of the right side of the movable handle is connected with the left end of a piston rod, the inner sides of the accommodating grooves are connected with groove covers through rotation shafts, a display screen is mounted outside the front groove cover, a controller is arranged inside the front accommodating groove, and a storage battery is arranged inside the rear accommodating groove. The novel handheld negative-pressure sputum aspirator for emergency treatment is simple in structure, convenient to assemble and disassemble, convenient to wash and disinfect, and convenient to carry, and is suitable for medical workers to use in rescuing critically ill patients.
Owner:徐伟华
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