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15 results about "Frostbite" patented technology

A condition in which the tissue below the skin freezes.

A rapid rewarming and circulation support system for high altitude frostbite and hypothermia

PendingCN122272274Aavoid misjudgmentAvoid rebound of rewarming effectTemperature controlSupporting system
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.
Owner:THE 940TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

A portable low-temperature sealed fresh-keeping device for severed finger ex situ preservation

ActiveCN224410094USimple structureAdaptation saveMedicineApparatus instruments
The utility model belongs to the technical field of medical apparatus and instruments, especially relates to a portable low temperature sealing fresh -keeping device for severed finger preservation, box body, the box body is open -ended lower end closed -type structure, the box body still includes the limiting groove for placing the severed finger, the top cover, the bottom cover makes the bottom cover and the top between the box body form low temperature cavity, the through -hole no. 1 is set up on the lateral wall of box body and is connected with low temperature cavity, the top cover includes: the temperature gauge time module is installed in the top cover, the upper sealing ring is installed in the lower end edge of top cover, the water bag and refrigerant medium are placed in the low temperature cavity, the water bag one side is equipped with the easily torn part, is connected with the drawstring on the easily torn part, the drawstring one end passes through the through -hole no. 1 and sets up. The utility model has the beneficial effects that: simple structure is practical, can avoid the frostbite of severed finger, can monitor the preservation temperature in real time and record the time length of preservation, the sealing moisture -proof property is good, can prevent pollution dehydration, and refrigeration is started conveniently and safely, is suitable for the severed finger preservation and the transfer needs.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE

A protective pad to prevent skin damage from extreme cold during the cryolipolysis procedure.

ActiveTH122321BCryolipolysisExtreme Cold
The technical objective of this invention is to provide a protective pad against skin conditions. Destroyed by extreme cold for the cryolipolysis process, where the component... Waterproofing may be provided to prevent tearing or with waterproof components and base parts. It may be prevented from separating during the negative pressure process and Waterproof components can be easily attached to the base components without defects. In this case, a protective pad is used to prevent skin damage from extreme cold during the fat breakdown process. This invention's cooling agent is a protective pad against frostbite that is designed to prevent skin damage. The design is intended for use in cryolipolysis (fat freezing) procedures utilizing a fat-dissolving device. Cooling and protective padding against frostbite will include a base component made of... Made from fibrous materials, one or more waterproof components made from resin materials, and... It is placed by overlapping the base components and one or more stitched sections that are made by... Sew the base assembly and the waterproof assembly together to connect the base assembly and the waterproof assembly. Waterproof in a condition where the base component and the waterproof component are superimposed;
Owner:CLASSYS INC

A liquid nitrogen injection assembly

ActiveCN224470081Uprevent leakageConvenient for regular inspectionEnvironmental engineeringMechanical engineering
The utility model discloses a liquid nitrogen injection assembly, including the storage tank, the storage tank fixedly connected with the feed inlet, the feed inlet is connected with the sealing cover, and the inside insertion of sealing cover has injection pipe, and one end fixedly connected with the positioning cylinder of injection pipe, through setting the cooperation and use of storage tank, feed inlet, sealing cover, injection pipe, air inlet pipe, the cooperation and use of the blocking assembly of type frame and plugging assembly, the close cooperation of sealing cover and feed inlet, and the setting of blocking assembly, effectively prevent the leakage of liquid nitrogen in the storage and injection process, reduced the security risk of liquid nitrogen leakage and caused, such as personnel frostbite, equipment freeze damage and environmental pollution etc, and the blocking assembly and sealing cover etc.
Owner:SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV

A liquid nitrogen storage tank with liquid level and temperature monitoring

PendingCN122074477Aachieve sealingThe sealing ensures that the hanging basket assembly reaches a certain level when it is placed into the tank.Dead animal preservationEnvironmental engineeringTemperature monitoring
This invention discloses a liquid nitrogen storage tank with liquid level and temperature monitoring, belonging to the technical field of liquid nitrogen storage equipment. It includes a tank body with an inlet pipe connected to the upper outer wall and a drain pipe connected to the lower outer wall, with a drain valve connected to the drain pipe. A dual-point level gauge and a temperature monitor are also connected to the tank body. A through hole is opened in the upper part of the tank body, and a basket assembly is movably embedded in the through hole. A semen storage tube is installed inside the basket assembly, and a sealing cap is threaded to the upper part of the semen storage tube. A seal is formed between the upper part of the basket assembly and the through hole. A locking component is provided in the upper part of the tank body, and the locking component is movably fitted with the upper part of the basket assembly. This invention not only achieves sealing, locking, and opening of the basket assembly during insertion into the tank, but also unlocks, closes, and seals the basket assembly when it is removed from the tank, avoiding the problem of low-temperature nitrogen overflowing from the tank, causing frostbite to workers' hands, and preventing waste.
Owner:JINGKE KAIDI EQUIPMENT MANUFACTURING (LIANYUNGANG) CO LTD

A movable liquid nitrogen tank storage rack structure

This utility model discloses a movable liquid nitrogen tank placement rack structure, mainly relating to the field of liquid nitrogen tanks. It includes a frame with a placement slot for holding the liquid nitrogen tank. Multiple support rods are slidably connected vertically to the side of the frame, and positioning posts are provided between the support rods and the frame. A support plate is threadedly connected to the bottom of the frame, and multiple limiting rods are provided between the support plate and the bottom of the frame. Multiple rollers are provided at the bottom of the support plate. The advantages of this utility model are: it solves the technical problems of existing liquid nitrogen tanks being inconvenient to move and posing a risk of frostbite during movement, enabling convenient movement of the liquid nitrogen tank, ensuring the stability of the liquid nitrogen tank during movement, and preventing liquid nitrogen leakage that could lead to frostbite.
Owner:NOSAI (SHANDONG) BIOMEDICAL TECHNOLOGY CO LTD

Cold-weather clothing (meridian-adaptive temperature-tracking armor)

1. Name of the product in this design: Cold-proof clothing (Meridian temperature-adjusting tracer armor). 2. Purpose of this design: This design is intended to prevent frostbite, disability, and disappearance of single human beings under extremely cold conditions. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Since the top view of the product lacks design features, it is omitted; since the bottom view of the product lacks design features, it is omitted. 6. The mannequin in the design drawings is a supporting element and does not fall under the scope of the design for which protection is sought.
Owner:TIANJIN YILONG TIANXIANG TECH CO LTD

A physical cooling device

This invention discloses a physical cooling device, belonging to the field of physical cooling technology. To address the problem of prolonged fixed cooling positions causing patient discomfort and affecting cooling effectiveness, the invention includes a U-shaped frame. Clamping components are located at the four corners of the bottom of the U-shaped frame. A cooling component is located on one side of the U-shaped frame. A reciprocating sliding component is located inside the U-shaped frame. An adjusting component is located at the bottom of the reciprocating sliding component. An elastic component is located at the bottom of the adjusting component. A cooling roller is rotatably connected within the elastic component. A silicone pad is located on the outer wall of the cooling roller. The cooling roller is connected to the cooling component. A driving component is located at the top of the elastic component. A massage component is located on one side of the elastic component. A blowing component is located at the top of the elastic component. This invention facilitates dynamic and uniform cooling of the patient's back, preventing frostbite caused by prolonged exposure to low temperatures.
Owner:JIANGXI CHENGCHI INTELLIGENT TECH CO LTD

Bone traction protection device

ActiveCN224474498UPhysical medicine and rehabilitationCold weather
The utility model relates to a bone traction protection device, including the casing, the casing includes the top plate and the side plate fixed in the both sides of top plate, the top of casing is provided with two U -shaped grooves, each U -shaped groove is fixed with a set of the baffle that can be folded deformation up and down, the clearance that can supply traction rope passes between two baffle of a set, adopt above -mentioned structure after, when doing bone traction, the leg of patient is inserted into the casing from the end of casing far from U -shaped groove, the leg after handling is lifted by traction rope, and the clearance between the baffle is passed through to the traction rope, and the injured leg is protected under the top plate by the casing, can effectively avoid the collision of outside things to the injured leg, the quilt can cover the end of casing far from U -shaped groove, make the whole leg by the quilt and the casing cover, avoid the situation of leg frostbite under the condition of cold weather, the utility model can play the good warm -keeping effect to the injured leg of patient, and can avoid the secondary injury of the injured leg by outside collision, and the protection is good.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

clamp

The utility model discloses a clamp for cryopreservation bag, the clamp includes: first clamping part and second clamping part, and first clamping part is equipped with first hollow part, and second clamping part is equipped with second hollow part, and first clamping part and second clamping part can be along the first direction and separate, wherein, when first clamping part and second clamping part close, the first side edge and the second side edge of the opposite cryopreservation bag are clamped, and first hollow part and second hollow part let the storage area of cryopreservation bag be in place, and when first clamping part and second clamping part separate, the clamping of cryopreservation bag is released. According to the clamp of the utility model embodiment, when first clamping part and second clamping part close, the first side edge and the second side edge of the opposite cryopreservation bag are clamped, improve the stability of clamping cryopreservation bag, and the user moves cryopreservation bag, and reduce the risk of user's frostbite.
Owner:WUHAN TIANSAI CELL BIOTECHNOLOGY CO LTD

A newborn head edema ice cap

This invention discloses a neonatal cephaledema ice pack cap and its circulation control system, belonging to the field of neonatal care device technology. The device consists of an inner cap, an outer cap, an independent cold compress mechanism, a zone control valve, circulation pipelines, and an external coolant circulation device. A closed layer is formed between the inner and outer caps, with the cold compress mechanism and pipelines embedded within it, quickly connecting to the circulation device via quick connectors. The circulation device includes a storage tank, a circulation pump, an electronic scale, and an AI intelligent controller, enabling constant temperature circulation, flow regulation, and real-time monitoring of coolant levels. This invention allows for zoned cold compresses based on the location of neonatal cephaledema, avoiding unnecessary cold stimulation; it uses a closed-loop constant temperature circulation system instead of traditional ice packs, ensuring uniform and stable temperature, preventing condensation leakage, and reducing the risk of frostbite. The cap is soft and skin-friendly, conforms to the head's curve, does not compress the fontanelle, and is secure and comfortable to wear. It also features intelligent programmable control, abnormal alerts, and remote monitoring functions, making it easy to operate and effectively improving the cold compress effect.
Owner:CHONGQING MEDICAL UNIVERSITY AFFILIATED THIRD HOSPITAL(FANGDA HOSPITAL)

A device, system and method for establishing a biological tissue frostbite model and evaluating frostbite degree

This invention discloses a device, system, and method for establishing biological tissue frostbite models and evaluating the severity of frostbite, belonging to the field of biomedical technology. The technical problem this invention aims to solve is the lack of real-time, quantitative methods for evaluating the severity of frostbite in existing technologies. To address this problem, the device provided by this invention includes a sample stage, a spray cooling system, an infrared thermal imager, a laser speckle blood flow imaging system, and a control system. The control system, based on the temperature monitored by the infrared thermal imager, controls the spray cooling system to execute a preset cooling strategy to establish models of different frostbite degrees, and simultaneously collects temperature and blood flow data for subsequent analysis. This invention achieves accurate establishment of frostbite models through the spray cooling system, utilizes the laser speckle blood flow imaging system for non-invasive, real-time monitoring of blood flow changes in the frostbite area, and uses the relative rate of change in blood flow as a quantitative indicator for evaluating the severity of frostbite, thus realizing an objective, real-time, and non-invasive evaluation of the severity of frostbite.
Owner:XI AN JIAOTONG UNIV

Fixing device for ice compress after maxillofacial surgery

ActiveCN224461886UCold airTemperature control
The utility model belongs to the technical field of medical apparatus and instruments, and concretely relates to a fixing device for ice compress after maxillofacial surgery, which comprises a fixing belt, slide rail grooves are formed on both sides of the end of the fixing belt, slide rail plates are fixedly connected to the inner side walls of the slide rail grooves, a plurality of slide rail strips are formed in the end of the slide rail plates, adjusting grooves are formed on both sides of the end of the fixing belt, a plurality of fixing rods are fixedly connected to the inner side walls of the adjusting grooves, sponge sheets are fixedly connected to the outer side walls of the fixing rods, a temperature control layer is arranged between the ice bag and the skin, the sponge sheet is lifted when the ice bag is just fixed, the circulation speed and the circulation amount of cold air are reduced, skin frostbite is prevented, the sponge sheet is rolled up after the ice bag is used for a period of time, the cold air released by the current ice bag can be completely utilized, the circulation speed and the circulation amount of cold air are controlled, the ice compress is always kept in the temperature interval most beneficial to reducing inflammation and swelling, and the relief effect of the ice compress on postoperative swelling and pain is enhanced.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV

Preparation method of intelligent constant-temperature physiotherapy patch

This invention discloses a method for preparing an intelligent constant-temperature physiotherapy patch, belonging to the field of physiotherapy patch technology. The method includes substrate pretreatment, preparation of a pH-responsive self-heating core layer, preparation of a biodegradable stem cell exosome carrier layer, composite molding, outer layer lamination, finished product processing, and quality inspection steps. Specifically, the pH-responsive self-heating core layer regulates the heating rate by sensing changes in wound pH; the biodegradable stem cell exosome carrier layer uses a composite biodegradable matrix combined with ultrasonic dispersion to achieve uniform exosome release; and the outer layer lamination uses windproof, waterproof, and breathable materials with edge sealing. This invention, through the synergy of multiple technologies, ensures that the physiotherapy patch maintains a stable constant temperature in high-altitude, low-temperature environments, adaptively adjusts the release of healing-promoting components, and possesses windproof, waterproof, and breathable properties. It can shorten the wound healing cycle and reduce the risk of infection, making it suitable for physiotherapy and healing promotion of difficult-to-heal wounds such as trauma and frostbite in extreme environments such as high altitudes and polar regions.
Owner:JIANGSU KEKAI MEDICAL EQUIP CO LTD

How to use iloprost for treating frostbite

This disclosure generally relates to the treatment of frostbite by intravenous injection or infusion of iloprost or a pharmaceutically acceptable salt thereof.
Owner:BTG INTERNATIONAL INC