151 results about "Hypothermia" patented technology

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.

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 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 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.

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 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.

The utility model provides a portable intelligent temperature-control low-body-temperature emergency rewarming cap which is suitable for emergency rewarming treatment of low-body-temperature wounded persons in an outdoor extremely low-temperature environment. The rewarming cap comprises a cap body, a carotid artery rewarming device and an intelligent control system, the carotid artery rewarming device is internally provided with a graphene heating piece and a heat conduction silica gel pad, and the carotid artery is accurately heated to achieve the in-vivo rewarming effect; the intelligent control system integrates a temperature sensor and a heart rate sensor, monitors the heating temperature and the heart rate in real time, and dynamically adjusts the heating power and feeds back the vital signs of the wounded through a microprocessor; a heating patch storage box is arranged on the lower portion of the intelligent control system, a folding front chest heating patch capable of being unfolded on the chest is arranged in the heating patch storage box, the core body temperature is increased by rewarming the front chest cardiopulmonary area through the body surface, and the problems that an existing low-body-temperature rewarming device is low in efficiency of the body surface rewarming mode and inconvenient to carry are solved.

The utility model belongs to the technical field of medical instruments, and discloses a multifunctional out-call medical kit which comprises a medical kit body, a control panel, a controller, a storage and a storage battery. The medicine box body comprises a refrigeration medicine storage box and a normal-temperature medicine storage box, medicine storage cavities are formed in the refrigeration medicine storage box and the normal-temperature medicine storage box, medicine storage drawers are arranged in the medicine storage cavities in a sliding mode, and the medicine storage drawers are connected with a rear panel of the refrigeration medicine storage box or the normal-temperature medicine storage box through a driving mechanism. A temperature sensor and a semiconductor chilling plate are arranged in a medicine storage drawer of the refrigeration medicine storage box; real-time types, quantity and daily common disease prescriptions of medicines in the medicine chest main body are stored in the memory; the control panel is provided with a touch display screen and a first medicine code scanner used for scanning identification codes on the surfaces of the medicine boxes. The medical kit is suitable for medical staff to go out to see a doctor, part of medicine can be stored in a specified low-temperature environment when the medical staff go out, and the medicine taking condition of a patient can be conveniently traced.

The invention relates to the technical field of medical instruments, in particular to an intravascular stent conveying system and a conveying method.The intravascular stent conveying system comprises an intravascular stent and a conveying device, and the intravascular stent comprises a telescopic tube, a main tube connected with the front end of the telescopic tube and a plurality of branch tubes connected to one side of the telescopic tube; the conveying device comprises a handle assembly, a main body bending adjusting assembly, a main body releasing assembly, a branch bending adjusting assembly, a branch releasing assembly and an outer sheath assembly. The handle assembly comprises a holding handle, a supporting rod and a guide head which are connected in sequence, and the holding handle is hollow; the outer sheath assembly is arranged on the periphery of the supporting rod in a sleeving mode and located between the holding handle and the guide head. The requirement for bending adjustment during intravascular stent implantation is met, independent release of all structures of the intravascular stent is achieved, the release mode is simple and convenient, the learning curve is short, profound hypothermia circulation arrest is avoided in the whole operation process, the operation difficulty is reduced, and damage to a patient is reduced.

The invention discloses a preparation method of an intestinal canal filling temperature-sensitive gel injection for gastrointestinal anastomosis guided by an ultrasonic endoscope, and belongs to the technical field of regenerative medicine. According to the specific method, poloxamer, chitosan, polycarbophil, polyvinylpyrrolidone, iohexol and methylene blue are utilized to construct the novel intestinal canal filling temperature-sensitive gel injection. The injection can be injected into the anastomotic intestinal segment of the small intestine by using a conventional nasobiliary drainage tube which is clinically used at present, and the injection becomes viscous immediately under the action of the pH value of the small intestine after injection, so that the injection is inhibited from spreading all around. Meanwhile, the injection is quickly converted into high-strength hydrogel under the action of body temperature, and the hydrogel is adhered to small intestine mucosa to inhibit gel sliding. Therefore, the injection can form a section of gel on a target small intestine section, local immobilization filling and supporting of the target small intestine section are achieved, development can be achieved, the operation difficulty of intestinal tube puncture and stent placement in gastrointestinal anastomosis guided by an ultrasonic endoscope can be greatly reduced, the operation efficiency and the success rate are improved, and the operation cost is reduced. The dosage is less than that of normal saline which is conventionally used clinically, and the effect is better. Moreover, the gel temperature can be reduced by injecting low-temperature normal saline after the operation, so that the gel is thoroughly dissolved into a solution and discharged out of the body, and the phenomenon that the gel remains in the intestinal canal after the operation to cause obstruction is avoided. Therefore, the novel intestinal canal filling temperature-sensitive gel injection has very important clinical practical application value for gastrointestinal anastomosis guided by an ultrasonic endoscope.

The utility model discloses a multi-point wrapping type medical fixing band capable of being opened and closed for children. The multi-point wrapping type medical fixing band comprises a main band body and a plurality of bandage bodies. A window is formed in the middle of the front end of the main belt body. The chest and the knees of a child are wrapped by the main belt body, and the bandage bodies are fixedly connected with the edge of an operating bed in a matched mode, so that the child can be well fixed in the whole process in the operation, adverse events such as falling down and falling off the bed are effectively prevented, the bandage body corresponding to the puncture part can be independently opened during general anesthesia venipuncture of the child, and the operation is convenient. Meanwhile, the window is formed, and a transparent adhesive film capable of opening or closing the window is arranged in a matched mode, so that a doctor can conveniently observe a child in time during an operation, warm keeping of a patient is achieved, and hypothermia of the patient during the operation is prevented; the main band body is composed of the cotton cloth base layer, the first antibacterial non-woven fabric and the second antibacterial non-woven fabric, and a better sterile environment is provided for the operation process.

The invention relates to the field of organ transplantation in biomedical technology, and particularly discloses normal-temperature perfusion protection liquid for thoracoscopic surgery training as well as a preparation method and application of the normal-temperature perfusion protection liquid. The components of the perfusion protection liquid mainly cover sodium chloride, carbohydrates, adenosine and dexamethasone. The perfusion protection liquid has the advantages that on one hand, the components of the protection liquid are simple, complex components of a traditional perfusion protection liquid are abandoned, and the raw material obtaining and economic cost is greatly reduced; and on the other hand, the perfusion protection liquid gets rid of the limitation of low-temperature storage and can be stably stored in a normal-temperature environment. Compared with the prior art, the perfusion protection liquid provided by the invention not only has simple components, but also breaks the constraint of cold chain transportation and low-temperature storage, solves the problems of complex components and harsh storage conditions of the existing protection liquid, provides a more convenient and efficient solution for thoracoscopic surgery training and even wider medical practice, and has broad application prospects. The method has a wide application prospect and an extremely high practical value.

An intraoperative hypothermia prevention device relates to the technical field of hypothermia prevention and comprises a support structure and a protection mechanism. The protection mechanism comprises a protection blanket, an air guide piece and a protection assembly; the protection assembly comprises a protection sleeve, a fixing structure and a limiting structure. The supporting structure, the connecting plug, the external socket and the protective blanket cooperate to conduct heat preservation protection on a patient, the protective blanket, the air guide piece and the air blowing equipment cooperate to conduct all-around heat preservation, the device is suitable for patients of different age groups, the connecting base, the supporting base and the limiting baffle can limit the two ends of the protective blanket, and the protective blanket is made to be attached to the body of the patient; the protection effect of the protection blanket is improved, the protection blanket and the exhaust strip are used in cooperation, the situation that the comfort of a patient is affected due to overheating or sweating can be avoided, it is ensured that the body temperature of the patient is appropriate, the protection blanket and the protection sleeve are matched to avoid pollution to the protection blanket in the operation process, and therefore the number of times of cleaning and maintaining the protection blanket is reduced.

A tissue storage solution includes hypothermic storage compositions and methods. The hypothermic storage composition includes media containing Dulbecco's modified Eagle's medium (DMEM) and albumin. A method of hypothermically storing tissue includes storing such tissue in a storage medium including DMEM and albumin. A method for wound or defect treatment includes applying tissue, stored in a hypothermic storage medium containing DMEM and albumin, to the site of such wound or defect.

The invention belongs to the technical field of medical equipment, and particularly relates to a movable cooling bed which comprises a movable sickbed. The top surface of the movable sickbed is fixedly connected with a water bed; a water tank for a patient to lie on the back is formed in the top surface of the water bed; the top surface of a bottom bracket of the movable sickbed is fixedly connected with a micro cooling-water machine; the water inlet end and the water outlet end of the micro cooling-water machine are respectively communicated with the two ends of the water tank through pipelines; clean water in the water tank is pumped into the micro cooling-water machine by the micro cooling-water machine for cooling, and low-temperature cold water is conveyed into the water tank through a pipeline. Cold water in the water tank exchanges heat with the patient to absorb body heat, so that the core body temperature of the patient is reduced; therefore, the core body temperature of the patient is effectively reduced, the patient can be continuously kept in a low-temperature state, and an effective, stable and safe low-temperature environment is provided for treatment and transfer of the patient; therefore, the effectiveness of treating and curing the patient is greatly improved, and the injury to the patient is reduced.

The utility model relates to the technical field of nursing, and discloses a heat preservation type anesthesia nursing tray which comprises a tray structure, a protection component comprises an inverted-U-shaped sliding frame and L-shaped sliding blocks installed at the lower ends of the two sides of the inner wall of the inverted-U-shaped sliding frame, the L-shaped sliding blocks are installed in L-shaped sliding grooves in a sliding mode, an inverted-U-shaped inserting frame is installed on one side of the inverted-U-shaped sliding frame and inserted into the inverted-U-shaped grooves, and the inverted-U-shaped inserting frame is connected with the inverted-U-shaped sliding frame. An inner bottom strip is installed at the bottom end of the interior of a frame groove, a movable disc is installed in the frame groove, cold energy emitted by ice cubes is absorbed by the movable disc, anesthesia tools are placed in the movable disc, the cold energy of the ice cubes conducts low-temperature storage on medicaments, when an inverted-U-shaped inserting frame is inserted into an inverted-U-shaped groove, rubber pads located on the two sides of an inserting hole clamp an L-shaped inserting rod, and the medicament is stored in the inverted-U-shaped groove. And as the transverse outer frame, the side plates and the protective components are made of heat insulation reflecting materials, the cold energy emitted by the ice blocks is blocked, and the situation that the cold energy is dissipated too fast, and the use effect of the medicament is affected is avoided.

The invention discloses a perioperative period hypothermia management method and system, and the method comprises the steps: obtaining the body surface temperature time sequence data of a perioperative period target patient in real time; converting the body surface temperature time sequence data into core temperature change characteristics based on a pre-constructed body temperature conversion model, wherein the body temperature conversion model is constructed based on an association relationship between the body surface temperature time sequence data and the core temperature change characteristics; performing dynamic assessment on the low-body-temperature risk of the target patient based on the core temperature change characteristics to obtain a dynamic risk assessment result; and automatically controlling the heating device based on a dynamic risk assessment result, and converting the body surface temperature time sequence data into core temperature change characteristics through a body temperature conversion model. The risk caused by invasive measurement is avoided, the accuracy of non-invasive body temperature monitoring is improved, the heating device is automatically controlled to automatically heat or stop heating in real time according to the dynamic risk assessment result to dynamically adjust the body temperature of the patient, and automatic body temperature adjustment is achieved.

The invention discloses an inflatable heating shoulder pad capable of preventing hypothermia in an operation, and belongs to the field of medical instruments. Comprising a folding mounting mechanism, and shoulder pad mechanisms are arranged in front of and behind the folding mounting mechanism; the folding mounting mechanism comprises two connecting pieces, two steering heads are rotationally connected between the two connecting pieces through rotating shafts, and two extension rods are fixedly connected to the left sides of the steering heads; the problem of compression injury of an existing shoulder rest is effectively solved, the comfort level of a patient in an operation is improved, flexible supporting of the shoulders of the patient is achieved through the inflatable air bag, traditional hard and semi-hard shoulder rests are replaced, shoulder blood circulation blocking caused by long-term compression can be avoided, uncomfortable symptoms such as shoulder ache, stiffness and numbness after the patient is awakened are reduced, and the patient can be prevented from being injured. Meanwhile, skin injury risks such as skin redness, damage and pressure sores caused by local compression are reduced, postoperative pain of a patient is relieved, and the recovery period is shortened.

The operating table with the temperature control function comprises a bed frame, the bed frame at least comprises a head pillow section, a back pillow section and a leg pillow section, each area is provided with a first temperature sensor for monitoring the temperature and a temperature control structure for adjusting the temperature, and each temperature control structure comprises a heating mechanism and a cooling mechanism. The operating table further comprises a control system capable of receiving signals of the first temperature sensors so as to control the corresponding temperature control structures to adjust the temperature. Accurate temperature control can be carried out according to different surgical sites, for example, different surgical requirements that neurosurgery needs head low temperature, abdominal surgery needs trunk constant temperature and the like. Compared with a traditional single global temperature control scheme, the local overheating or supercooling risk is effectively avoided, and the intraoperative complications and the postoperative infection rate are remarkably reduced.

A folded dipole patch antenna for use in a hyperthermia applicator is described. The antenna includes a dielectric circuit board, and a folded dipole microstrip antenna. The dielectric circuit board has a top side and a bottom side. The folded dipole microstrip antenna is formed on the top side and includes two meander paths mirror each other. A pair of parallel metallic strips is located on the bottom side. A coaxial feed port is connected to the pair of parallel metallic strips. The antenna is configured to resonate in a frequency range of about 434 MHz upon application of an input signal at the coaxial feed port. The folded dipole patch antenna has a small size and does not require an impedance matching circuit. The hyperthermia applicator is configured to emit microwave energy toward a target tissue within a human body.

The invention discloses an intelligent monitoring feedback type whole body thermal therapy exercise combination suit and an intervention method, the intelligent monitoring feedback type whole body thermal therapy exercise combination suit comprises a whole body wearable suit and a controller, thermal therapy modules are arranged on the head, the neck, the chest, the abdomen, the upper limbs and the lower limbs of the whole body wearable suit and are used for performing thermal therapy on each area, and the temperature of the thermal therapy module of each area is independently controlled; a heart rate sensor is arranged on the chest of a user, blood pressure sensors are arranged at the positions of upper limb cuffs, the thermal therapy module, the blood pressure sensors and the heart rate sensor are all connected with a controller, and the controller is in wireless connection with an upper computer. The cooperative mode of'multiple short-time lower-temperature thermal therapy + low-intensity movement matched with respiratory training 'is adopted, the targeted thermal therapy scheme is automatically generated through the APP and issued for execution, manual complex operation is not needed, the response speed is high, the defect that personalized feedback is lacked in the prior art is overcome, the intervention precision is improved, and the system is suitable for popularization and application. And the system can be used in various scenes such as daily home and office, and is wide in applicable crowd coverage.