125 results about "Frostbite" patented technology

The invention relates to morin nanoparticles, pH responsive hydrogel and application of the morin nanoparticles and the pH responsive hydrogel. The morin-loaded nanoparticles provided by the invention can be rapidly degraded in an alkaline environment, have certain stability in an acidic environment, have the capability of releasing morin in response to pH, and can realize accurate regulation and control of morin release according to the change of environmental pH. According to the invention, hyaluronic acid is further subjected to methacrylation treatment, such that MeHA is obtained. The characteristic that MeHA is easier to degrade in an acid environment is utilized, and MeHA is used as hydrogel to load CFMNPs and can be effectively used for treating wounds caused by burns and frostbite. Furthermore, the pH responsive double-layer hydrogel based on pigment nanoparticles-basic fibroblast growth factors can realize sequential release of the effective components according to the change of the pH value of the burn or frostbite wound. The composition can effectively inhibit inflammation, resist oxidative stress, promote proliferation and migration of endothelial cells, promote neovascularization and finally accelerate wound healing.

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 discloses application of polyol nitrate in frostbite resistance, and belongs to the technical field of skin protection articles. The polyol nitrate is used as an active component of the ointment, and by slowly releasing nitric oxide and activating vascular endothelial nitric oxide synthase, spasm capillaries in the early stage of frostbite are effectively relaxed, platelet aggregation and thrombosis are inhibited, so that the pathological cascade reaction of frostbite is blocked, and the prevention and treatment effects on frostbite are remarkably improved. Compared with the prior art, the polyol nitrate and the ointment are scientific and reasonable in preparation method and safe and convenient to use, and a brand-new and effective solution is provided for prevention and treatment of skin frostbite in a cold environment.

The utility model discloses a rotary thermometer verification insertion disc structure, which comprises a locking device (1), a fixed disc (2), a supporting rod (3), a base (4) and a rotary bearing (5), the base (4) is installed on the rotating bearing (5), the fixing disc (2) is arranged above the base (4), the base (4) is connected with the center of the fixing disc (2) through the supporting rod (3), a via hole is formed in the fixing disc (2), the locking device (1) is installed on the via hole, and the thermometer penetrates through the locking device (1) and the via hole. When the thermometer is fixed, a distance is kept between the thermometer and a high-temperature (low-temperature) medium, so that the hidden danger of scalding (frostbite) is eliminated; the thermometer is fixed reliably and compatible with various other types of thermometers; during reading, the plug disc rotates smoothly and is simple in operation. According to the device, the safety, reliability and working efficiency of thermometer verification are improved.

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.

The utility model discloses a third-generation hot air anti-freezing device which comprises a fan device. The fan device comprises a combustion chamber, one end of the combustion chamber is provided with an air supply fan, and the other end is provided with a guide plate connected with a heat conduction pipe; the heat conduction pipe is connected with a heat supply device, the heat supply device comprises a main pipe, two sides of the main pipe are respectively connected with a plurality of branch pipes, the branch pipes are connected with plant planting areas, and the main pipe and the branch pipes are provided with a plurality of heat supply through holes. Remote simultaneous frost prevention and freezing prevention of a plurality of plant planting areas can be achieved, frequent moving of the fan device through a moving device is not needed, labor cost is saved, and waste of labor cost and fuel resources of re-ignition caused by flameout and waiting for cooling of the fan device in order to prevent workers from being scalded by moving the fan device during combustion is not needed. The risk of frost damage and frostbite of vegetation due to the fact that the movable fan device cannot provide heat for the vegetation area in time is also avoided; and the heat can be accurately conveyed to the vegetation area needing the heat, and heat waste is avoided.

The utility model relates to a winter school uniform with adjustable air permeability, which belongs to the technical field of winter school uniform, and comprises a school uniform body, round air holes are respectively arranged on one side wall of the school uniform body, connecting cloth strips are respectively sewn on the school uniform body, covering cloth strips are arranged on the connecting cloth strips, and fixing cloth belts are respectively arranged on one side wall of the covering cloth strips. According to the school uniform, the lifting button son buckles are installed on the fixing cloth belts, the lifting button son buckles on the fixing cloth belts are separated from the corresponding lifting button mother buckles, so that ventilation can be achieved through the ventilation round holes, different ventilation effects can be achieved by opening different numbers of covering cloth strips, and therefore the ventilation performance of the school uniform can be improved as much as possible. The warm-keeping cover is simple in structure and convenient to use, excessive cold air can be prevented from entering the warm-keeping cover, the warm-keeping cover can be placed at the position of a palm by separating the hook face of the hook-and-loop fastener on the sleeve from the loop face of the hook-and-loop fastener on the sleeve, then the hand is sleeved with the warm-keeping cover, and the phenomenon that the hand of a student is frostbite is avoided.

The invention discloses a temperature-regulating glove, comprising a glove body, a heating pad assembly and a temperature-regulating assembly, wherein the glove body comprises a glove-shaped outer layer and an inner liner, wherein the outer layer is a heat-insulating layer, and the inner liner is sutured and connected to the outer layer by sutures; the heating pad assembly comprises N heating pads, wherein N≥2, and N is a natural number, wherein the N heating pads are fixedly arranged between the inner liner and the outer layer, wherein the distribution positions thereof are different and the heating pads are connected in series with each other, and the output ends of the N heating pads connected in series are connected to one end of an external power supply; the temperature-regulating assembly comprises a fixed shell and an adjusting push rod, wherein the fixed shell is a hollow shell and is fixedly connected to the outer side of the glove body, and a clamp is fixedly arranged on any side of the cavity thereof. By arranging the temperature-regulating assembly and the heating pad, the user can select a gear suitable for himself, heat the inside of the glove, keep the temperature constant, prevent frostbite, and reduce the discomfort caused by inappropriate temperature.

The present invention belongs to the technical field of medical cryopreservation, and discloses a medical egg collection and long-term storage device, including an insulation box, two groups of support legs are symmetrically arranged at the lower end of the insulation box, and a positioning tube is fixed at the upper end of the support leg, and the positioning tube is fixedly connected to the outer wall of the insulation box, and a sealing cover is clamped at the upper end of the insulation box, and a placement mechanism is arranged inside the insulation box, and the placement mechanism includes a first positioning plate, a second positioning plate and a fixing tube. The medical egg collection and long-term storage device can clamp and fix the storage tube placed inside the insulation box by providing a positioning mechanism that can be raised and lowered, and at the same time, the upper end of the insulation box can be sealed by using the cooperation of the first and second positioning plates and the anti-low temperature sealing ring, so as to avoid leakage of liquid nitrogen inside the insulation box when taking and placing the storage tube, reduce the loss of liquid nitrogen, and at the same time, the sealing to prevent leakage can also avoid the risk of frostbite.

The present invention relates to the field of fruit tree frostbite prevention, and in particular to a gas-fired self-turbulent orchard heating furnace and a heat dissipation method. A shell is also arranged in the middle of the furnace shell, and the interior of the shell is a first rising chamber (10), and the hot gas burning at the furnace mouth can continue to rise along the first rising chamber (10); the diameter of the partition plate (11) is larger than the diameter of the top of the first rising chamber (10); above one or more partition plates (11) is a guide partition plate (12), and the guide partition plate (12) includes a rising hole in the middle and a descending guide plate around the guide partition plate (12); the outer shell of the furnace includes a plurality of outwardly protruding annular side heat dissipating fins (6). Beneficial effect: The fire is controlled within a certain range, and there is no need to worry that the wind will carry away the flames and ignite the surrounding farmland. It can increase the contact area with the surrounding air, allowing more heat to be dissipated around the fruit trees, thereby making the fruit trees less likely to be frostbitten.

The invention discloses a temperature autonomously controllable chemotherapy pressurization and ice compress device capable of monitoring vital signs, which comprises a refrigerator, a water outlet pipeline, a return pipeline and a refrigeration glove / foot sleeve, the water outlet pipeline is connected with the water outlet end of the refrigerator, and a plurality of water outlet connectors are arranged on the water outlet pipeline; the backflow pipeline is connected with the water inlet end of the refrigerating machine, and a plurality of backflow connectors are arranged on the backflow pipeline. One end of the refrigeration glove / foot cover is connected with the water outlet connector, and the other end of the refrigeration glove / foot cover is connected with the backflow connector; wherein temperature sensors are arranged on the refrigeration glove and the refrigeration foot cover, so that the temperature values of the finger ends and the toe ends are monitored in real time, and the liquid flow in the refrigeration glove / foot cover is adjusted according to the temperature values; the pulse condition of a patient can be monitored, body abnormity of the patient in the chemotherapy process is prevented, the temperature of the ice compress bag can be automatically controlled in time according to the temperature of fingers of the patient, and the situation that the hand of the patient is frostbitten due to temperature loss is prevented.

The utility model relates to the technical field of ice compress cooling, in particular to an elastic ice compress bag which comprises an ice compress bag body, hanging lug holes are formed in the left side and the right side of the right end of the ice compress bag body, connecting blocks are arranged in inner cavities of the hanging lug holes, and the connecting blocks are fixedly connected with the ice compress bag body. The anti-freezing elastic layer is composed of the elastic fabric, it is guaranteed that when the coolant plays a role, the temperature is not lower than 0 DEG C, frostbite is avoided, the situation that when an existing ice compress bag is used, heat insulation materials such as towels need to be wrapped additionally is avoided, ear hanging holes are formed in the left end and the right end of the ice compress bag, and the ice compress bag can be directly hung on the ear sides; the ice compress bag is fixed in a needed position through the first connecting belt or the first connecting belt with the left end and the right end fixed and the auxiliary hook-and-loop fastener with the changeable length, and the problems that an existing ice compress bag needs to be additionally wrapped with heat insulation materials and cannot be tightly attached to a cooling part, cooling is uneven, and use is inconvenient are solved.

The utility model relates to the field of clothes, in particular to a heat conduction-cold conduction composite structure and an air conditioning suit, the heat conduction-cold conduction composite structure comprises a contact layer and a cold and heat source interface, the contact layer is sequentially provided with a heat transfer connection layer, a graphene cold conduction-heat conduction layer, a heat insulation connection layer, a heat insulation layer and a protection layer; and the cold and heat source interface penetrates through the heat insulation connecting layer, the heat insulation layer and the protection layer and is connected with the graphene cold-heat conduction layer. The contact layer ensures wearing comfort and prevents frostbite or scald; the heat transfer connection layer realizes connection and heat conduction between the contact layer and the graphene cold-heat conduction layer; the graphene cold conduction-heat conduction layer rapidly homogenizes temperature distribution on the back face of the cold and heat source and cold and heat source contact face. The heat insulation connecting layer realizes connection between the graphene cold-heat conduction layer and the heat insulation layer; the heat insulation layer realizes heat preservation; the protection layer is used for protecting the whole structure; the cold and heat source connector is connected with a cold source or a heat source, and the structure solves the problem that an existing heating and refrigerating mode is low in heat exchange efficiency and poor in heat exchange uniformity, so that comfort is poor.

The invention belongs to the technical field of plant essential oil, and discloses gaultheria yunnanensis composite essential oil and a preparation method thereof. The essential oil comprises the following raw materials: 40-60 parts of gaultheria yunnanensis essential oil, 10-20 parts of peppermint oil and 20-30 parts of ginger oil. The gaultheria yunnanensis essential oil is used as a core raw material and matched with the peppermint oil and the ginger oil, the effects of the gaultheria yunnanensis essential oil, the peppermint oil and the ginger oil are complementary, the anti-inflammatory and analgesic effects of the gaultheria yunnanensis essential oil, the cooling and itching-relieving effects of the peppermint oil and the effects of the ginger oil for promoting blood circulation to remove blood stasis and warming channels and expelling cold are mutually matched, and the problem The compound essential oil can comprehensively relieve various discomforts such as muscle and joint pain, swelling, mosquito bite itching and chilblain, the relieving effect is better than that of existing single essential oil or conventional compound essential oil, the effective components of methyl salicylate, menthol and gingerol of the three essential oils jointly act on pain and inflammation targets, and the relieving effect is improved.

A multifunctional pillow comprises a head pillow and a neck pillow, the head pillow and the neck pillow are arranged through hook-and-loop fasteners, one side face of the neck pillow is fixedly connected with a base, an adjusting assembly is installed on the base, a threaded hole is formed in the base, the top end of a threaded rod is fixedly connected with a universal ball, and the universal ball is in interference fit in a holder. A hose is fixedly connected to the top of the holder, an A-shaped clamp is installed at the tail end of the hose, a hook-and-loop fastener wire binding belt is connected to the A-shaped clamp in a sleeved mode, and a hook face area and a loop face area of the hook-and-loop fastener wire binding belt are mutually bonded and encircled. The holder can rotate around the universal ball, so that the hose, the A-shaped clamp and the hook-and-loop fastener wire binding belt are driven to be adjusted in different directions, the A-shaped clamp can better clamp the breathing filter, and the A-shaped clamp can bind a catheter of the breathing filter after the hook-and-loop fastener wire binding belt is unfastened. Therefore, the problem of chilblain caused by the fact that the breathing filter and the catheter are not properly fixed on the face of the patient is solved.

The invention discloses a rapid cooling device for an intensive care department, the rapid cooling device comprises a first fixing block and a second fixing block, a cooling assembly is arranged between the first fixing block and the second fixing block, the cooling assembly comprises a plurality of first cooling belts and a plurality of second cooling belts, and the first cooling belts and the second cooling belts are arranged in a staggered manner; isolation pads are arranged on the inner sides of the first cooling belt and the second cooling belt, and control assemblies are arranged between the first cooling belt and the second cooling belt and the second fixing block; the arranged cooling assembly can cool the trunk of the patient, and meanwhile, the contact position of a cooling part in the cooling assembly and the skin of the trunk of the patient can be adjusted through the control assembly, so that the problem of skin frostbite of the patient caused by long-term unchanged heat conduction body parts of the patient is avoided; the position of the heat exchange liquid is replaced to adjust the heat exchange part of the body of the patient so as to avoid frostbite, and meanwhile the heat exchange efficiency is kept.

The present disclosure generally relates to treatment of frostbite by intravenous injection or intravenous infusion of iloprost or a pharmaceutically acceptable salt thereof.

1. Name of the design product: Packaging box (Red Flower Frostbite Ointment, yellow box). 2. Use of the design product: The design product is used for outer packaging protection. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photo that best shows the design key points: Perspective view.

The utility model relates to the field of beekeeping, and discloses a beehive overwintering heat preservation device for preventing bee colony frostbite, which comprises a beehive body, two baffles and a collecting mechanism, a through hole leakage plate is fixedly arranged at the lower end in the beehive body, and a heat preservation plate is fixedly arranged on the inner side of the inner wall of the beehive body. The collecting mechanism comprises a fixing box and two racks, partition plates are fixedly arranged at the positions, close to the two sides, of the inner end of the fixing box, through grooves are formed in the lower ends of the two partition plates, a top inclined plate box is fixedly arranged between the two partition plates, a motor is fixedly arranged at the inner bottom end of the top inclined plate box, and the output end of the motor is fixedly sleeved with a gear. Mounting beams are fixedly arranged on the opposite sides of the two racks, and collecting boxes are fixedly arranged on the two sides of the two mounting beams. According to the utility model, after the motor is started, the two racks can move in opposite directions, and after the collecting box passes through the through groove, a user can conveniently clean excrement in the collecting box.

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;

The invention relates to the technical field of medical assistance, in particular to a clinical cooling device for emergency treatment, which comprises a box body and a trunk airbag layer, and an air storage tank and a liquid storage tank are embedded in the box body; the two sides of the trunk airbag layer are fixedly connected with a head airbag layer and a hip airbag layer respectively; the head air bag layer, the trunk air bag layer and the hip air bag layer are each composed of a plurality of air bags fixedly connected with one another. An air supply assembly for supplying air to each air bag is arranged in the air storage tank; and a liquid supply assembly for supplying liquid to each air bag is arranged in the liquid storage tank. Liquid conveying and gas conveying of different schemes can be carried out on the head air bag layer, the trunk air bag layer and the hip air bag layer according to the actual requirements of different parts of the body of a patient, so that targeted temperature adjustment is carried out on all areas of the body of the patient, and the cooling effectiveness is improved; meanwhile, the risks of frostbite and pressure sores on the body surface of the patient are reduced.

The utility model relates to the technical field of medical equipment, and discloses a device for prosthesis breast augmentation shaping and tissue healing promotion, which comprises a cold therapy machine body, a control switch is arranged on the cold therapy machine body, a connecting pipe is inserted on the cold therapy machine body, a cold therapy head is arranged at the end part of the connecting pipe, and a fixing frame is arranged outside the cold therapy head. The fixing frame is arranged outside the cold therapy head, the protective sleeve is installed in the fixing frame, the cold therapy head can be effectively covered and prevented from making direct contact with the skin, so that frostbite is avoided, the protective sleeve can be stably clamped in the fixing frame through the design of the clamping assembly, the protective sleeve is prevented from sliding or falling off in the treatment process, and the protective effect is ensured; when a traditional cold therapy machine is used, a towel needs to be placed at the chest, the device does not need to additionally place the towel through the design of the protective sleeve and the clamping assembly, a patient can keep a certain movement freedom degree when subjected to cold therapy, the patient is not limited by placing the towel, and the comfort degree in the treatment process is improved.

The utility model discloses an integrated ice compress device with isolation lining cloth, and particularly relates to the technical field of ice compress devices, the integrated ice compress device comprises an ice compress bag, an opening of the ice compress bag is connected with a sealing cover, an elastic fixing band is arranged outside the opening of the ice compress bag, and a first hook-and-loop fastener is sewn on the outer surface wall of the elastic fixing band. Isolation lining cloth is arranged outside the ice compress bag, and a connecting structure is arranged at the joint of the isolation lining cloth and the elastic fixing band. According to the ice compress bag, the elastic fixing band, the second hook face and the second hair face are arranged, so that the ice compress bag can be conveniently fixed to an affected part, the contact area of the ice compress bag and the affected part is increased, different injured part structures (such as joints with protruding surfaces) can be fixed, the fixing difficulty is reduced, the ice compress range is large, and the treatment effect is good; the ice compress bag can be prevented from being in direct contact with the skin, local frostbite and wound infection caused by the fact that condensate water wets dressing on an affected part are prevented, and a user does not need to pad a towel for isolation by himself / herself.

The invention relates to the related technical field of cooling clothes, in particular to a physical cooling clothes with a bag body formed by a membrane structure, which comprises a cooling jacket, a neck cooling sleeve and a head cooling sleeve, and the cooling jacket, the neck cooling sleeve and the head cooling sleeve are respectively composed of a welding block, a first membrane structure and a second membrane structure; the second film structure faces inwards, when the second film structure makes contact with the human body, the sponge layer plays a role in slowly releasing temperature and isolating too low temperature, excessive temperature stimulation is avoided, the somatosensory comfort degree is improved, and the effective cooling time is prolonged; when the first film structure makes contact with the human body, it can be guaranteed that cold energy is rapidly transmitted, the physical cooling effect is improved, the multiple welding blocks are evenly distributed in the bag body, the honeycomb-imitating hexagonal structure and the middle pressing ring are arranged, and the structural strength is good and the stability is extremely high; according to actual requirements, different film structures are attached to the surface of the human body for physical cooling, the somatosensory comfort of a user is improved, frostbite is avoided, and the physical fever abatement effect is improved.

The utility model relates to the technical field of medical instrument manufacturing, in particular to a freezing fat dissolving flat handle, a lower shell and an upper shell are connected through a hasp, and a positioning groove is formed in the lower shell; one side of the freezing copper plate is a flat plate and is in contact with a treatment part, a limiting groove is formed in the middle of the other side of the freezing copper plate, and the semiconductor chilling plate is embedded in the limiting groove; the hot end face of the semiconductor chilling plate is in direct contact with the radiator which is connected with external cooling water through a water pipe; the semiconductor chilling plate and the radiator are fixed by a fixing assembly; the pull rings are installed between the lower shell and the upper shell in tandem and can rotate by a certain angle. The freezing fat dissolving flat plate handle is convenient to install and easy to disassemble. A negative pressure device is omitted, and the phenomena of hyperemia or extravasated blood, blisters, skin infection and the like caused by skin damage are eradicated. And the freezing copper plate is a plane plate, so that the phenomenon that the skin is not uniformly cooled when being in contact with the human skin is avoided, and the possibility of frostbite is reduced.

The invention discloses a temperature adjusting method and system for wide-temperature air-conditioning clothes, relates to the technical field of air-conditioning clothes temperature control, and aims to solve the problems that existing air-conditioning clothes are low in comfort and often cause low-temperature frostbite, and the method comprises the following steps: S1, collecting real-time temperature data including internal and external temperature data of the air-conditioning clothes and real-time user temperature data, determining a preliminary comfort interval according to the real-time temperature data; s2, determining the maximum risk position in the air conditioning suit according to the initial comfort interval and the environment temperature; s3, carrying out targeted temperature regulation on the whole air conditioning suit and the maximum risk position to generate a preliminary regulation scheme; and S4, based on a low-temperature frostbite protection mechanism, the preliminary adjustment scheme is adjusted, and a final adjustment scheme is obtained. According to the method, the comfort level of the air conditioning suit can be remarkably improved, the low-temperature frostbite phenomenon can be prevented, and the user experience feeling is improved.

The utility model discloses a medical lower limb treatment nursing device, which relates to the technical field of medical appliances, and comprises a bottom pad, a pocket is connected to the middle of the outer surface of the bottom pad, a barrier strip is connected to the top of the pocket, and a first button is connected to the upper part of the outer surface of the pocket; waterproof films and silk floss pads are connected to the back of the bottom pad and the interiors of the pockets; the number of the bottom pads is two. According to the utility model, through the arrangement of the pocket, the barrier strip, the first button, the waterproof film and the silk floss pad, ice blocks or ice bags are put into the pocket, and then the pocket opening of the pocket is blocked by the barrier strip and is limited by the first button, so that the ice blocks or ice bags are prevented from falling off, and meanwhile, through the arrangement of the waterproof film and the silk floss pad, the ice blocks or ice bags are prevented from falling off. Water resistance, air permeability and comfort are improved, frostbite is prevented, and the influence of condensate water and water obtained after ice blocks are melted on the legs of the patient is reduced; the pressure sores are prevented, the compliance is improved, and the loss of ice cubes or ice bags is avoided to promote the detumescence of the limbs of the patient.

The utility model belongs to the technical field of liquid nitrogen cryopreservation boxes, and particularly relates to a liquid nitrogen cryopreservation box for tissue anatomy sampling, which comprises a box body, an operation box fixedly connected to the lower part of the box body, a bottom plate fixedly connected to the lower part of the operation box, a heat preservation block fixedly connected to the inside of the box body, and a support plate slidably connected to the inside of the box body. A plurality of test tubes are slidably connected into the supporting plate, the test tubes are slidably connected into the heat preservation block, the upper portion of the box body abuts against a box cover, the lower portion of the box cover is fixedly connected with a heat preservation layer, the heat preservation layer abuts against the upper portions of the test tubes, and the lower portion of the supporting plate is highly connected with a plurality of threaded tubes. By arranging the driving assembly and the supporting plate, lifting of the supporting plate is achieved, hands do not need to stretch into the box body, the risk of frostbite is avoided, by arranging the fixing block, the sliding block and the fixing assembly, the box cover is easily opened and fixed, and the stability and safety of samples are maintained.

The invention relates to the technical field of medical cold compress, and discloses an orthopedic nursing ice bag which comprises a flexible main body bag and an ice storage cavity formed in one side of the flexible main body bag, a cold core body is arranged on the side, close to the flexible main body bag, of the ice storage cavity, and a fixing belt is arranged on the side, perpendicular to the ice storage cavity, of the flexible main body bag. The side, close to the fixing band, of the flexible body bag is embedded in the fixing band, and a binding band is arranged on the side, away from the flexible body bag, of the ice storage cavity. According to the invention, through the full-wrapping sealing design of the ice storage cavity on the cold core body, on one hand, the contact between the cold core body and the human skin can be directly blocked, and the risks of skin frostbite and the like caused by leakage of a cold storage medium or direct low-temperature stimulation are avoided; on the other hand, the cold core body can be limited in the functional area of the flexible main body bag through the fixed connecting structure of the ice storage cavity and the flexible main body bag, the cold core body is prevented from moving due to limb movement in the using process, and it is ensured that the cold compress area accurately covers the injured part.

The utility model discloses a bone sawing machine for food processing, and relates to the technical field of food processing. The bone sawing machine for food processing comprises a processing base, four supporting legs are fixedly connected to the lower surface of the processing base, T-shaped sliding grooves are formed in the left surface and the right surface of the processing base correspondingly, T-shaped sliding blocks are slidably connected to the inner walls of the two T-shaped sliding grooves correspondingly, and a rectangular groove used for collecting bone debris is formed in the upper surface of the processing base; the bottom of the interior of the rectangular groove is fixedly connected with a bone sawing machine body, two threaded rods drive two moving sleeves to move backwards, the two moving sleeves drive two first supporting plates to integrally move backwards, and the two moving sleeves drive the two first supporting plates to drive bones to move backwards; the operation that an operator needs to hold the two ends of frozen meat or ribs with two hands for cutting is omitted, the contact time of the operator and the frozen meat or ribs is shortened, the operator is prevented from being frostbitten, the labor intensity of the operator is relieved, and the working efficiency is improved.