242 results about "Hypothermia" patented technology

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes support systems to permit arrangement of cooling media around a biological sample without potentially damaging direct contact between the cooling media and the biological sample. Systems and methods disclosed herein also include specific configurations, types, and performance characteristics of cooling media such as phase change materials to allow for extended hypothermic storage and transport.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A method for transporting a biological sample at hypothermic temperatures. The container can be cooled using phase change material and pump fluid through the sample. The fluid can pump through the system at a rate independent of the parameters of the biological sample. A valve can control the rate of flow of the fluid into the biological sample.

A transport container and methods for preserving a heart at a hypothermic temperature. The transport container can maintain the heart at a temperature of 6-8° C. for improved results after transplantation. The preservation of the heart within this range can improve transplantation outcomes.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

The invention discloses a perioperative hypothermia prediction and prevention system based on multi-modal data and deep learning. The system integrates skin temperature, physiological parameters (such as heart rate, blood pressure and oxyhemoglobin saturation) and operating room environment data (temperature, humidity, airflow and the like), and adopts a deep learning method (CNN-LSTM model, Transformer model and multi-modal fusion model) to carry out data analysis and hypothermia prediction. The system comprises a data acquisition module, a data processing module, a deep learning prediction module and a personalized temperature control module, can realize real-time low body temperature early warning, and provides a personalized intraoperative temperature control strategy. Experimental results show that the system abandons complexity, invasiveness and hysteresis of traditional hypothermia monitoring, hypothermia occurrence can be predicted 20-30 minutes in advance, and the accuracy of intraoperative management is improved. The method can be widely applied to the fields of anesthesia monitoring, operating room intelligent management and perioperative patient body temperature optimization control.

A method for transporting a biological sample at hypothermic temperatures. The container can be cooled using phase change material and pump fluid through the sample. The fluid can pump through the system at a rate independent of the parameters of the biological sample. A valve can control the rate of flow of the fluid into the biological sample.

The invention discloses a wearable device for lower limb rewarming, and relates to the technical field of medical instruments. The wearable device for rewarming the lower limbs comprises an outer constraint sleeve, an inner constraint sleeve and a mounting box, a heat preservation pipe is arranged between the outer wall of the outer constraint sleeve and the outer wall of the inner constraint sleeve, notches are formed in one side of the outer constraint sleeve and one side of the inner constraint sleeve, a zipper is arranged at the positions, located at the notches, of the outer wall of the outer constraint sleeve, and a puller is arranged on the zipper; a water tank is fixedly connected into the mounting box, a water outlet pipe is connected to the inner wall of one side of the water tank in a penetrating mode, and a water pump is arranged in the mounting box. Through driving of the water pump, purified water enters the heat exchange structure through the conversion pipe to be heated and then enters the heat preservation pipe through the hot water conveying pipe, a closed hot water circulation channel is formed, continuous supply of hot water and rewarming of the lower limbs are effectively guaranteed in a water heating mode, blood circulation is effectively promoted, and postoperation hypothermia is avoided.

According to the rewarming system for treating and curing the human body hypothermia, a ventilation rewarming circulation channel is designed and comprises an air inlet communicated with a heat preservation sleeping bag, an air inlet channel, an air power device, an air outlet connecting sleeve, an air heating unit, an air guide switching assembly and an air outlet communicated with the heat preservation sleeping bag. And the ventilation and rewarming functions of the wounded with the hypothermia can be better realized. A breathing rewarming channel is designed, a heating channel comprises an oxygen supply inlet, a breathing ventilation module, an inner breathing heating module, a switching assembly, a breathing heating interface, an outer breathing heating module and a breathing mask, and a humidifying channel comprises a breathing atomization module, a switching assembly, a breathing heating interface, an outer breathing heating module and a breathing mask. And the breathing rewarming function of the wounded with the hypothermia can be better realized. An infusion rewarming channel is designed, the infusion rewarming channel comprises an infusion pump door, an infusion unit and a heating unit, and the infusion rewarming function of the wounded with the hypothermia can be better achieved.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

The invention relates to the technical field of medical instruments, in particular to an abnormal state grading response method based on a self-adaptive temperature control infusion pipeline, which comprises the following steps: S1, dynamic temperature threshold generation: calculating a dynamic temperature threshold interval through a temperature compensation model; s2, multi-parameter real-time monitoring: synchronously acquiring current temperature, flow velocity and pressure data in the infusion pipeline, and correcting a flow velocity value through a pressure fluctuation compensation algorithm; s3, abnormal state score calculation: generating an abnormal state score; s4, abnormal state grade judgment: the abnormal state is divided into first-level early warning, second-level intervention and third-level emergency shutdown; and S5, graded response execution: according to different grades of abnormal states, respectively triggering acousto-optic early warning, flow velocity adaptive adjustment, pipeline heating compensation or shutdown instructions. According to the invention, the continuity of the medication process of a patient is guaranteed, and clinical risks such as low-temperature mistaken transfusion, liquid medicine failure and abnormal flow velocity are reduced to the greatest extent.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

The invention belongs to the technical field of rescue equipment, and particularly relates to a foldable flight lifesaving device which comprises a shell, a plurality of partition plates are arranged in the shell, and the interior of the shell is divided into a buoyancy bin, a plurality of storage bins and a plurality of air inlet bins through the partition plates. The multiple storage bins are located on the two sides of the interior of the shell correspondingly, the cross section of each storage bin on the horizontal plane is in a U shape, the multiple air inlet bins are located at the two ends of the interior of the shell correspondingly, and the expansion assemblies are assembled in the storage bins and comprise air bags and air valves. The high-pressure micro air pump is started to inject air into the air bag, the air bag in the folded state is converted into the stretching state, the air bag in the stretching state and the shell can form a temporary danger avoiding area, people falling into water climb on the temporary danger avoiding area to wait for rescue, and the temperature loss phenomenon caused by long-time soaking in low-temperature water is avoided.

A hypothermia insulative cap is provided enhanced with a GPS-enabled LED strip for emergencies, constructed from dual-layer nylon and neoprene with advanced seam technologies for durability and comfort. It features a unique technology chassis for waterproofing essential electronics, a battery-activated GPS and LED for increased visibility, and a protective brow visor for comfort and protection. This cap is designed to maintain body temperature during waterborne rescues, offering increased visibility to rescuers and compatibility with conventional life vests, without impeding the function of either device.

The invention provides a perioperative period hypothermia prediction system based on artificial intelligence, and relates to the technical field of body temperature prediction. Body temperature sample data of a target object in a perioperative period are collected in real time; determining a body temperature disturbance coefficient of each sample data point in the body temperature sample data, converting the body temperature sample data into a body temperature characterization sequence of the target object in the perioperative period according to all the body temperature disturbance coefficients, and determining a body temperature trend factor of the target object in the perioperative period through the body temperature characterization sequence; obtaining multi-dimensional factor data related to the target object in the perioperative period, and performing feature extraction on the multi-dimensional factor data to obtain perioperative period related feature vectors of the target object; according to the body temperature trend factor and the perioperative period related feature vector, perioperative period hypothermia prediction is carried out, and a perioperative period hypothermia prediction result of the target object is obtained. The related data quality of the target object can be improved, and the related features in the target object are extracted for body temperature prediction, so that the prediction precision of the prediction system is improved.

The invention belongs to the technical field of low-temperature biology, and discloses deep hypothermia biological sample storing and taking equipment which comprises a low-temperature storage cabinet, a plurality of storage cavities are formed in the low-temperature storage cabinet, the storage cavities are arranged in the thickness direction of the low-temperature storage cabinet and extend to the front face of the low-temperature storage cabinet, and first door bodies are rotationally installed on the side walls of the storage cavities and can seal the storage cavities; sample boxes are slidably installed in the storage cavities in the thickness direction of the low-temperature storage cabinet, the sample boxes are used for containing samples, and a cooling module of a refrigerating system is installed on the back face of the low-temperature storage cabinet and used for stably and safely providing cooling capacity for the multiple storage cavities; the management center is used for controlling the first door body to rotate, controlling the sample box to be pushed out or withdrawn and driving the mechanical arm to take out a target sample in the low-temperature storage cabinet or place the sample in the target sample box by adjusting the position of the mechanical arm, so that automatic and efficient sample storage and taking are achieved.

Medical devices, systems, and methods for pain management and other applications may apply cooling with at least one probe inserted through an exposed skin surface of skin. The cooling may remodel one or more target tissues so as to effect a desired change in composition of the target tissue and / or a change in its behavior, often to interfere with transmission of pain signals along sensory nerves. Alternative embodiments may interfere with the function of motor nerves, the function of contractile muscles, and / or some other tissue included in the contractile function chain so as to inhibit muscle contraction and thereby alleviate associated pain. In some embodiments, other sources of pain such as components of the spine (optionally including herniated disks) may be treated.

The invention discloses a biliary drainage reinfusion device which comprises a nasobiliary duct, a drainage bag, a sealing cylinder, a heating mechanism, a filtering mechanism and a reinfusion tube, the drainage bag is arranged at the output end of the nasobiliary duct, the sealing cylinder is connected to the output end of the drainage bag, and the heating mechanism and the filtering mechanism are arranged in the sealing cylinder. And the feedback pipe is connected to the output end of the sealing cylinder and is used for feeding back the heated and filtered bile into the body of the patient. By arranging the heating mechanism and the filtering mechanism, bile which is drained and returned is heated and filtered, impurities such as tissue fragments in the bile are removed and intercepted, the bile is prevented from entering the body of a patient, meanwhile, pipeline blockage caused by thick bile is avoided, discomfort caused by the fact that low-temperature bile enters the human body is reduced by heating the bile, and the treatment effect is good. The activity of enzymes in the bile is maintained. And by arranging the feedback tube, the integral closed drainage feedback device is realized, and the pollution is reduced.

The invention belongs to the technical field of medical infusion, and particularly relates to a neurosurgical nursing infusion device which comprises a base, a supporting rod and a supporting plate, the base is fixedly arranged at the lower end of the supporting rod, the supporting plate is fixedly arranged at the upper end of the supporting rod, and the neurosurgical nursing infusion device further comprises a weighing hook which is arranged below the supporting plate and connected with the weighing hook. The weighing hook is used for lifting the medicine bottle; and the electromagnetic lifting mechanism is arranged at the upper end of the weighing hook. According to the invention, the RFID tag reader and the PLC are used for checking the information of medicines and patients, so that the risk of medicine use errors is reduced; a weighing sensor and an electromagnetic lifting mechanism are used for automatically adjusting the height of a medicine bottle according to liquid level changes in the medicine bottle, the infusion speed is stabilized, and the treatment effect is guaranteed; by means of the automatic speed reduction mechanism, the infusion speed is automatically reduced when liquid medicine in a medicine bottle is almost emptied, risks such as air embolism are avoided, meanwhile, an infusion tube can be heated, the infusion comfort of a patient is improved, and adverse reactions caused by low-temperature infusion are avoided.

The invention discloses an organ mechanical perfusion system which comprises a liquid storage container used for storing perfusion liquid; the perfusion pump is used for extracting the perfusion liquid in the liquid storage container and perfusing the organ through the perfusion pipeline; the oxygenator is used for oxygenating perfusate and organs; the temperature control module is used for maintaining the temperature of the organ and the perfusate in a set range; the main control module is used for controlling the perfusion pump and the temperature control module according to the perfusion parameters, controlling the temperature control module to place the organ in a low-temperature state in a first time period, and controlling the perfusion pump to stop perfusion action or perform slow perfusion action in the low-temperature state so as to enter a maintenance stage; and in the second time period, the temperature control module is controlled to place the organ in a normal temperature or sub-normal temperature state, and the perfusion pump is controlled to execute normal perfusion action in the normal temperature or sub-normal temperature state, so that a normal perfusion stage is started. Wherein the maintenance stage of the first time period and the normal perfusion stage of the second time period can be alternately carried out.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

The present invention provides a liver hypothermic machine perfusion preservation device and a method. The device includes a perfusion loop and a controller, wherein the perfusion loop includes a main pump, a main reservoir, an auxiliary pump and an auxiliary reservoir. The main pump is connected to an inlet of the main reservoir and configured to pump a perfusate from an organ cassette into the main reservoir; an outlet of the main reservoir is connected to a portal vein and a hepatic artery of a liver, and the main reservoir is configured to supply the perfusate to the portal vein and the hepatic artery; and the auxiliary reservoir and the auxiliary pump provide an additional hepatic artery perfusion flow path. According to the present invention, for a poor internal environment of the hepatic artery, the main reservoir and the auxiliary reservoir cooperate with each other to carry out perfusion, so that the perfusion efficiency and effect of the hepatic artery can be improved. The device according to the present invention also has a molecular-sieve oxygen generation function, and a free adjustment range of oxygen concentration from 21% to 90% can be achieved by means of combined control of a molecular-sieve oxygen generation channel and an air channel, thus providing a more flexible solution for the perfusion.

The invention relates to the technical field of medical temperature control equipment, and particularly discloses a temperature control method and system for a medical temperature controller, and the method comprises the steps: constructing a target temperature sequence, and setting a temperature change rate threshold value; the actual temperature response rate and acceleration are calculated through a three-point center difference method, and whether the temperature is in a critical steady state or not is judged; predicting the temperature rise rate after polarity overturning; the method comprises the steps of firstly executing current slow transition, then sending a semiconductor polarity overturning instruction, and finally entering a PID steady-state temperature control mode. Compared with the prior art that the comfort level of a patient is affected by temperature kick easily caused by direct polarity overturning, and particularly, the temperature control continuity cannot be guaranteed in temperature control sensitive scenes such as postoperative rehabilitation and low-temperature anesthesia, the method has the advantages that a temperature response double-index judgment mechanism and a slow change control path are jointly introduced; and the first-order continuity of a temperature curve in the electrode switching process is realized, so that the problem of sudden temperature change is avoided, and the temperature control stability is improved.

This invention provides a rapid rewarming and circulatory support system for frostbite and hypothermia in high-altitude environments, relating to the field of treatment device technology. It includes: a first temperature acquisition module for acquiring and preprocessing the current first ambient temperature, the first frostbitten skin surface temperature, and a first skin surface image; a control module connected to the first temperature acquisition module for analyzing the preprocessed first ambient temperature, the first frostbitten skin surface temperature, and the first skin surface image to determine the corresponding first target temperature and a first target warming rate; and a temperature regulation module connected to the control module for gradually warming the skin to the optimal preset temperature according to the warming rate. This invention achieves dynamic temperature control, continuous protection, and intelligent decision-making for frostbite and hypothermia in high-altitude environments.

The invention provides an intermittent inflating and pressurizing device with a heat preservation function, belongs to the technical field of medical apparatuses and instruments, and aims to solve the technical problem that lower limb vein thrombosis is easy to occur due to the fact that blood is in the states of high coagulation, slow temperature loss and the like due to long-time operation braking, anesthetic use and the like of gastrointestinal tract operation patients. Comprising a host shell; the pressurizing sleeve is located outside the main machine shell, air bags are arrayed on the pressurizing sleeve, all the air bags are provided with a common outlet end pipe and a common inlet end pipe, and the air bags have different bulging degrees along with changes of pressure in the pipes; and the pumping mechanism is located in the main machine shell, the outlet end pipe and the inlet end pipe are both connected with the pumping mechanism, the pumping mechanism can drive fluid to circularly flow between the outlet end pipe and the inlet end pipe, and the pumping mechanism can adjust the pressure and temperature of the fluid in the circulating pipeline. The method has the technical effects of remarkably accelerating the postoperative blood circulation recovery process of a patient and effectively preventing lower limb vein thrombosis.

The present invention discloses an intelligent temperature-assisted surgical device, comprising a housing and a warm air bag; the housing is connected to the warm air bag via an air supply line, and the housing inputs gas into the warm air bag; a blower is used to generate airflow; the blower output end is connected to the first end of a first ventilation line, a heating plate is installed inside the first ventilation line, the second end of the first ventilation line is connected to the first ends of two ventilation lines, respectively, and the second ends of the two ventilation lines are connected to the first air inlet duct and the second air inlet duct of the warm air bag, respectively; each sensor measures temperature and transmits temperature information to a controller; an auxiliary breathing heating device is used to heat the air-oxygen mixed gas; and an infusion set heating device is used to heat the medication during infusion. The present invention solves the problem of complications caused by heat loss in perioperative patients under current hypothermic conditions, and reduces the adverse effects of treatment and rehabilitation on patients caused by abnormal body temperature, thereby saving patients' lives.