2463 results about "Bandage" patented technology

The invention relates to a bandage, a pleated filter cartridge and dust removal equipment, and belongs to the technical field of filtering and dust removal equipment. The bandage is applied to the pleated filter cartridge and comprises a pleated structural member and a fixing structural member, the pleated structural member comprises an annular body and a plurality of tooth bodies connected to the inner side of the annular body, part of adjacent tooth bodies are arranged at intervals in the annular arrangement direction of the annular body to form receding grooves, at least one adjacent tooth body is arranged at intervals to form mounting grooves, and the fixing structural member is fixed to the annular body. The avoiding groove and the mounting groove are both used for avoiding at least one fold tooth of the filter material; the fixing structural part is arranged in the mounting groove and comprises a clamping piece part with an opening end and a connecting end and a fixing part, the clamping piece part is connected with the fixing part through the connecting end, the opening end of the clamping piece part is used for being connected with the pleat teeth of the filter material, and the fixing part is connected with the annular body. According to the bandage, the pleated filter cartridge and the dust removal equipment provided by the invention, the problems that the bandage is easy to age and deform after being used for a long time and the filtering effect of the filter cartridge is finally reduced are at least solved.

The invention discloses an intelligent bandage integrating wound monitoring, drug administration and electrical stimulation. The intelligent bandage comprises a bandage body, a portable battery, a wound monitoring module, an intelligent drug administration module, an electrical stimulation module and a portable control module. The bandage body is of a double-layer structure, the inner layer is an antibacterial fiber layer, and the outer layer is a breathable waterproof layer. By means of the design, the wound can be kept dry, and external bacteria can be prevented from invading. The bandage body is further provided with a bandage elastic area which is used for adjusting the tightness of the bandage so as to meet the requirements of different wound parts. 3-6 sensors are arranged on the inner surface of the bandage body and used for monitoring key physiological indexes of a wound in real time, and accurate information is provided for treatment. The intelligent drug delivery module adopts a drug-loaded stimuli-responsive electroactive hydrogel fiber array and is arranged on the inner surface of the bandage body, and accurate drug delivery is achieved through a voltage modulation electrode. The electrical stimulation module adopts a pseudo convergence electric field configuration, is arranged on the inner surface of the bandage body, and is switched between the electrical stimulation electrodes through a timing relay so as to alternately push the wound to be closed. The portable battery supplies power to the portable control module, and the portable control module comprises an integrated microprocessor module, a wireless communication module and a lumped power management module and is connected with the intelligent drug delivery module, the wound monitoring module and the electrical stimulation module to achieve remote monitoring and personalized treatment.

The invention relates to the technical field of medical instruments, and discloses an adjustable femoral artery automatic pressurizing device which comprises a main shell, a position adjusting assembly is mounted at the top of the main shell, a moving shell is slidably connected to the middle of the main shell, a connecting column is fixedly connected to the bottom of the moving shell, an air bag is arranged at the bottom of the connecting column, and an air outlet is formed in the middle of the air bag. A compression head is fixedly connected to the bottom of the air bag, an angle adjusting and positioning assembly is installed on the side face of the main shell, a bandage rod is arranged on the side face of the angle adjusting and positioning assembly, a composite sensing module is installed in the middle of the compression head, and an air pipe is arranged in the movable shell. One end of the air pipe penetrates through the connecting column and is fixedly connected to the air hole of the air bag. By sensing physiological signals formed by blood flow and hematoma in real time, self-adaptive closed-loop adjustment of compression pressure is realized, so that hemostasis accuracy, individualized level and safety of the automatic femoral artery pressurizing device are improved.

The invention relates to the technical field of medical equipment, in particular to a multi-modal respiratory signal acquisition system for realizing appearance and data dual individuation for multi-body-type respiratory patient crowds, which can generate an individualized patient respiratory data set through wearable waistcoat design and respiratory data weight calibration. The system mainly comprises a waistcoat body, an acquisition module, a communication module, a storage module and a personalized weight software module. The acquisition module comprises A-type ultrasound, an electroencephalogram sensor, a myoelectricity sensor, an inertial sensor, a flow meter and a body surface tension band. In the collecting process, firstly, a patient wears a waistcoat, the length of a bandage is adjusted, sensor collecting point positions are adjusted to medical reference positions, and then the sensors are synchronously triggered through the communication module to conduct real-time data collection. And a personalized weight software module is used for generating weight calibration for validity and significance of each modal data according to the basic medical record of the patient, and finally, the data and the weight are jointly stored in a storage module. According to the invention, the comprehensiveness and precision of data can be improved, and patient personalized acquisition which is widely applicable is realized.

The embodiment of the invention provides an AI intelligent monitoring scoliosis pressure adjusting brace. The AI intelligent monitoring scoliosis pressure adjusting brace comprises a bandage system, an air bag pressure inner pad and an artificial intelligence AI background management system. A pressure sensor array is integrated on the surface of the air bag pressure inner pad; the pressure sensor array is in communication connection with the AI background management system; the AI background management system is used for acquiring pressure distribution information detected by the pressure sensor array after detecting that the user wears the brace; according to the pressure distribution information, whether the wearing position of the user has deviation or not is judged through a preset posture analysis algorithm; and if the deviation exists, sending first reminding information. According to the technical scheme, the pressure distribution information detected by the pressure sensor array can be obtained, so that whether deviation exists in the wearing position of the user or not is judged through the preset posture analysis algorithm, and if deviation exists, the first reminding information is sent so that the user can adjust the position of the brace through the bandage system when receiving the reminding information.

The invention provides a life support stretcher. The life support stretcher is internally provided with a controller and an air bag pressurization binding belt used for binding the wounded, wherein a vital sign data detection unit is arranged in the air bag pressurization binding belt; the life promotion data specifically comprises heart rate, breathing parameters, blood pressure, body temperature and oxyhemoglobin saturation; the controller is used for controlling the air pressure in the air bag pressurization binding belt according to the vital sign data, detected by the vital sign data detection unit, of the wounded, and dynamically adjusting the binding tightness degree through a multi-modal data fusion algorithm and wound part recognition. Thus, when the life support stretcher is used for transferring a wounded person, the air bag pressurization binding belt can be used for binding the wounded person, the vital sign data of the wounded person can be detected through the vital sign data detection unit in the air bag pressurization binding belt, and then the controller can control the wounded person according to the detected vital sign data. And the air pressure in the air bag pressurizing binding belt is controlled, so that the trauma to the wounded caused by bumping is reduced.

The invention discloses a flexible knee joint exoskeleton for maintaining dynamic stability of knee joints in the technical field of lower limb rehabilitation, and the flexible knee joint exoskeleton comprises a control box, a control module and a power supply unit are integrated in the control box, and one side of the control box is fixed to the waist of a user through a bandage. The device further comprises a sensing unit, a tibia anterior movement limiting assembly and a support fixing assembly, the output end of the sensing unit is electrically connected with the input end of the control box, and the sensing unit is used for obtaining first movement information of a user and sending the first movement information to the control box; the control box identifies the walking trend and the knee joint state of the user based on the first motion information and an artificial intelligence algorithm, wherein the knee joint state is a six-degree-of-freedom kinematics state. According to the flexible knee joint exoskeleton, the Bowden cable and the tibia forward movement limiting assembly are cooperatively driven, human body lower limb kinematics information is collected in real time through the sensing unit, and the forward movement amplitude of the tibia of a user can be limited.

The invention belongs to the technical field of medical equipment, and discloses medical service emergency limb rescue hemostasis equipment which comprises a base body, the base body is connected with a bandage, a fixing groove body, a first motor, an air pump, a control display center, a rack, an inflator pump and hemostasis sponge, the bandage is provided with a hook-and-loop fastener, and the fixing groove body is provided with a sliding groove. An output shaft of the first motor is connected with an eccentric cam and a straight gear, the rack is connected with a linkage box body, the linkage box body is connected with a second motor and a linkage arm, the linkage arm is connected with a linkage plate, the linkage plate is connected with an extrusion air bag, and the inflator pump is connected with an inflation connecting rod. The first motor is used for controlling the horizontal position of the linkage plate and the filling state of the extrusion air bag, the second motor is used for controlling the relative angle of the linkage plate and the extrusion air bag, the air pump is used for controlling the inflation state of the pressing air bag, the rescue hemostasis equipment is wide in application range, extrusion and pressing act on a wound at the same time, the hemostasis effect can be guaranteed, and the operation is convenient. And the wound recovery effect can be improved.

The utility model discloses a hemodialysis catheter interface fixing structure which comprises a supporting plate and a plurality of fixing assemblies used for fixing a hemodialysis catheter, detachable bandage assemblies are arranged on the left side and the right side of the supporting plate, and the fixing assemblies are installed on the supporting plate through installation assemblies. The detachable bandage assembly comprises an installation groove formed in the front face of the supporting plate, the installation groove penetrates through the supporting plate front and back, an installation block is inserted into the installation groove, a middle rod is fixedly connected between the front face and the back face of the inner wall of the installation block, and the surface of the middle rod is sleeved with a bandage. According to the fixing structure for the connector of the hemodialysis catheter, the bandage is designed to be of a structure capable of being detached from the supporting plate, only the installation block needs to be inserted into the installation groove during installation, only the limiting block needs to be pressed during detachment, operation is convenient and rapid, and therefore the bandage can be replaced and cleaned after being polluted.

An osmotic bandage for treating wounds, such as cuts, abrasions, minor burns, blisters, and post-surgical incisions. The bandage includes a bandage strip with an adhesive along with a plurality of apertures or airholes disposed therethrough for breathability. The bandage further includes a multi-layered gauze pad. The multi-layered gauze pad includes a first layer, a second salt laced layer, and a third odor-reducing layer. The salt is a natural bactericide, through the dehydration of water in bacteria, and kills any bacteria that attempt to invade or enter the wound site. A semi-permeable membrane cover may be disposed in overlying relation to the pad to prevent the salt from being in direct contact with the wound tissue and causing the patient pain.

The invention belongs to the technical field of medical auxiliary instruments, and discloses a head position supporting and fixing device for the anesthesiology department, which comprises a base plate, the base plate is connected with a head supporting and fixing assembly, the head supporting and fixing assembly comprises a base, a telescopic piece and a headrest plate, the base is connected with a bandage, a lock catch and a connecting seat, and the connecting seat is in sliding connection with the base. The telescopic piece is connected with the base plate. The connecting base is rotationally connected with the telescopic end of the telescopic piece. The headrest plate is connected with the base through a connecting shaft, an inner spline and a blank part are arranged on the inner side of the base, an outer spline is arranged on the outer side of the connecting shaft, and the axial length of the outer spline is smaller than that of the blank part. The head of a patient is fixed through the bandage, and the fixing stability of the head is good; the pitching angle of the head is adjusted by adjusting the height of the telescopic piece, the swinging angle of the head is adjusted by adjusting the meshing condition between the headrest plate and the spline of the base, and the clinical requirement for the head fixing angle can be fully met.

The invention discloses a central vein vascular access complication risk management method and related equipment. The method comprises the steps that based on basic physiological information and edema related information of a patient, ideal pressure values of different edema parts of the patient are determined through a treatment pressure decision model, and the treatment pressure decision model is obtained through training according to historical clinical treatment data; displaying the ideal pressure values of the different edema parts of the patient; in the binding process, the actual pressure value between the bandage and the skin of the patient is obtained, and the actual pressure value is displayed. The problems that in the prior art, complication supervision of a patient after a central venous catheter is implanted through a peripheral vein and infusion port implantation stays in static inquiry, the response speed is low, emergency situations cannot be recognized in time, the data collection mode is single, and the evaluation accuracy is insufficient can be solved.

The invention relates to the technical field of atomizers, and particularly discloses a pediatric medical emergency atomizer which comprises a compressor body and an atomizing cup. The two sides of the breathing mask are respectively and fixedly connected with a bandage; the medical emergency atomizer for the department of pediatrics comprises a breathing mask, two bandages, a wearing mechanism, an expiration frequency monitoring mechanism and an atomization rate regulating and controlling mechanism, the wearing mechanism is connected with the two bandages, the expiration frequency monitoring mechanism is connected with the wearing mechanism, and according to the medical emergency atomizer for the department of pediatrics, the breathing mask is worn on the face of a patient through the wearing mechanism; if the breathing frequency of the child patient is rapid, airflow exhaled by the child patient impacts the breathing mask at the moment, the bandage is pulled when the breathing mask is impacted by the airflow, the expiration frequency monitoring mechanism is triggered through the bandage, and the atomization rate regulation and control mechanism is controlled to work according to the rapid expiration degree of the child patient; the atomization rate regulation and control mechanism regulates the flow amount of high-speed airflow entering the atomization cup from the connecting guide pipe.

A bandage device is disclosed that provides a specialized fingertip bandage. The bandage device is comprised of a regular bandage having a T-shaped style. The body component comprises the main bandage shape that is adhesive on the rear face side. A wing component is also integrated into the body component to help secure the body component on the fingertip but can be easily separated from the device with scissors or along a perforated edge. Thus, each bandage device functions as a suitable way of putting a bandage on a fingertip. The device can also be decorated for pleasure, as well.

The invention discloses a micro-nano conical array intelligent drug delivery bandage based on an AAO template, and aims to solve the problems of low drug delivery efficiency and insufficient precision in the prior art. The intelligent bandage comprises a bandage body, a power module, a sensor array, a medicine storage layer, a conical micro-nano hole array layer and an intelligent control module. And the bandage body is made of a breathable double-layer material with good biocompatibility, so that the wearing comfort and safety are ensured. The medicine storage layer is loaded with medicine to be conveyed and located below the conical micro-nano hole array layer prepared through the AAO template technology, the layer comprises a large number of evenly-distributed conical micro-nano holes, and directional conveying of the medicine under the action of an electric field is facilitated. And the requirements of different types of wounds can be met by adjusting the preparation process parameters of the AAO template. The intelligent control module integrates a microprocessor, an electric field generator and a sensor array, can monitor physiological parameters of wound tissues in real time, adjusts electric field output according to a preset program, and accurately controls the drug delivery rate and quantity. The power supply module adopts a miniaturized low-power-consumption design, and has the functions of quick charging and intelligent electric quantity monitoring.

The invention belongs to the technical field of nuclear magnetic resonance detection equipment, and particularly relates to a nuclear magnetic resonance detection device which comprises nuclear magnetic resonance equipment and a detection bed for a patient to lie flat, one ends of the bandages are fixedly connected with the detection bed, one end of the detection bed is fixedly provided with a plurality of U-shaped connecting plates, the connecting plates are in threaded connection with positioning bolts, and one ends of the positioning bolts abut against the bandages; the headrest base is fixedly installed on the detection bed, two flexible auxiliary pillows are symmetrically arranged on the detection bed, and the two auxiliary pillows can be adjusted; through the designed structure, a patient to be examined can be rapidly fixed, and meanwhile targeted fixing is conducted according to the requirements of different patients. Therefore, the patient is prevented from moving uncontrollably during examination due to own diseases, so that the examination result is prevented from being influenced.

The invention provides a bandage mirror which comprises a lens body, a flexible part and a shielding part, one end of the flexible part is connected with the periphery of the lens body, and the other end of the flexible part is connected with the shielding part; the lens body is provided with an outer convex face and an inner concave face, and the face, away from the outer convex face, of the shielding piece is used for shielding eyelashes on the lower eyelid. The eyelashes can be prevented from stimulating the upper eyelids and the lower eyelids in the recovery period when the eyes of a patient are closed after an eye operation.

The utility model discloses anti-fracture edge sealing cloth which comprises a cloth body, the cloth body is composed of an inner layer, middle layers arranged on the upper side and the lower side of the inner layer and outer layers arranged on the upper side and the lower side of the middle layers, the outer layers comprise the upper outer layer and the lower outer layer, the inner layer of the cloth body is a sponge layer, the middle layers are PU film layers, and the upper outer layer is a nylon thread gluing layer. The lower outer layer is an elastic nylon lycra layer, and the edge of the upper outer layer and the edge of the lower outer layer are provided with sealing edges formed in a heat sealing mode to wrap the inner layer and the middle layers on the upper side and the lower side. The bandage can be made into bandages in different shapes, the sealing edge is not prone to breakage, the skin of a user cannot be abraded, and the bandage made of the bandage is not prone to thread loosening, threshing and delaminating, good in hygiene and comfortable to wear.

The invention discloses a combined cable support with a positioning function, and relates to the technical field of power cable construction equipment, the combined cable support comprises a stand column, one side of the stand column is vertically provided with a mounting groove in a penetrating manner, the front and rear sides of the stand column are provided with a plurality of mounting blocks, the mounting blocks are provided with mounting bolts in a penetrating manner, and the front and rear sides of the stand column are provided with a plurality of groups of positioning grooves; the supporting arm mechanism comprises a plurality of L-shaped supporting arm bodies, two fixing blocks are fixedly connected to the top and the bottom of each supporting arm body, L-shaped pull rods are movably arranged at the fixing blocks in a penetrating mode, the pull rods are rectangular cylinders, the L-shaped turning ends of the two pull rods in the same group are close to each other and spaced, and the other ends of the pull rods are clamped with the positioning grooves in a matched mode. According to the invention, cables can be fixed by a single person without a bandage, so that the cables are arranged orderly and can be reused; the corbel can be assembled and disassembled without a special tool, can be automatically locked and fixed, and is high in efficiency; the device is suitable for cables of various specifications, is stable in structure, is corrosion-resistant, and is suitable for various cable laying scenes.

The utility model belongs to the technical field of medical equipment, and discloses a vomiting relieving treatment device for tumor chemotherapy, which comprises a massage module, a fastening mechanism is arranged on the outer wall of the massage module, and a rolling mechanism is arranged on the outer wall of the massage module; the winding mechanism comprises a winding drum, a partition plate is fixedly connected to the inner wall of the winding drum, a rotating shaft is elastically connected to the outer wall of the partition plate through a volute spiral spring, a clamping groove is formed in the outer wall of the rotating shaft, a fixing block is fixedly connected to the outer wall of the front end of the winding drum, and a limiting block is elastically connected to the inner wall of the fixing block through a connecting spring. The pull-out length of the bandage can be fixed through clamping connection of the limiting block and the clamping groove, limiting of the rotating shaft is removed when the bandage is not used, the bandage can be automatically wound in the winding barrel, space is saved, and the problems that the bandage is wound disorderly due to the fact that the bandage is exposed all the time, and the bandage is inconvenient to tidy in the using process are solved.

A wound / bandage protector configured as a wrap, a sock / mitten, or a bandage may be made out of stretchable material. The wrap may have one or more fastening straps as well as possibly a first catch fastening surface. The sock / mitten may have a fastening strap and a sheath. The wrap, the sock / mitten, and the bandages may have apertures and aperture covers. In addition, the wound / bandage protectors as well as the bandages may have diamond or triangular gauze configurations with the gauze pad having three or four primary corners, the primary corners of the gauze pad in most instances being oriented towards edges of the body portion or length of width tangents of the body portion, preferably mid-points or mid-sections of the length or width tangents or body portion edges.

The utility model discloses a massage kneecap which comprises a kneecap body, a controller and two bandages, the controller is installed on the outer side wall of the kneecap body, and the two bandages are connected to the two ends of the kneecap body respectively. A plurality of massage pieces are distributed on the inner side wall of the kneecap main body and are electrically connected with the controller respectively; an arc-shaped supporting piece is arranged in the kneecap body, and the orthographic projection of the supporting piece on the kneecap body intersects with the massage pieces respectively. According to the massage kneecap, through the arc-shaped supporting pieces arranged in the kneecap body, when the massage kneecap is worn, all the massage pieces can be pressed to the knees of a user, the massage pieces are made to be more attached to the skin of the knees of the user, and the using effect of the massage kneecap is guaranteed.

The utility model discloses a tissue repair support which comprises a base plate, a second connecting arm is fixed on the outer wall of the base plate, an adjusting mechanism is installed on the base plate, a first connecting arm is installed on the adjusting mechanism, and two symmetrical plastic plates are installed on each of the first connecting arm and the second connecting arm. The adjusting mechanism comprises a rotating cylinder rotationally arranged on the base plate, a fixing block located in the rotating cylinder is fixed to the base plate, the outer wall of the fixing block is sleeved with a clamping piece, a plurality of clamping grooves are formed in the inner wall of the rotating cylinder, the first connecting arm is fixed to the outer wall of the rotating cylinder, and a through hole allowing a bandage to penetrate through is formed in the plastic plate. The utility model effectively solves the problems provided by the background technology, further realizes fixation after angle adjustment, is convenient and practical, supports the joint of the arm after keeping a relatively stable angle, is beneficial to injured tissue repair, and avoids secondary injury caused by emergency reaction.

The invention discloses a body training mask for passively adjusting oxygen concentration in breathing air, and relates to the technical field of physical training equipment, the body training mask comprises a body training mask mechanism, the outer side of the body training mask mechanism is connected with a bandage mechanism, and one side of the body training mask mechanism is provided with a filtering mechanism. According to the body training mask, the first-layer mask body and the second-layer mask body are flexibly connected through the flexible connecting piece, folding operation can be conveniently carried out in the using process, the size of the mask can be adjusted through a folding structure, and then the oxygen concentration can be accurately adjusted and controlled according to the breathing dead space principle; after the volume of the mask is adjusted by the folding structure, low-oxygen exhaled air which is not completely exhausted in the closed space is mixed with outside fresh air in the mask to form a stable low-oxygen environment, the volume of the mask is increased by unfolding the folding structure, the breathing dead space is enlarged, and the oxygen concentration is reduced; the contraction folding structure reduces the size, the breathing dead space becomes small, and the oxygen concentration is increased.

The invention relates to the technical field of drainage, and discloses a drainage device for liver and gall nursing, the drainage device comprises a drainage bag, a first bandage and a second bandage, the drainage bag is communicated with a drainage tube and a discharge tube, and the discharge tube is detachably connected with a sealing cover; the first binding band and the second binding band are fixedly connected with the two sides of the base respectively, and the first binding band and the second binding band are detachably connected; the two sides of the top of the base are provided with a fixed plate and a sliding groove correspondingly, and a movable plate is slidably connected into the sliding groove. The drainage bag is fixedly connected to the base and located between the fixed plate and the movable plate. Elastic blocks are arranged on the two sides of the drainage bag on the fixing plate, and strip-shaped blocks are arranged at the ends, away from the fixing plate, of the elastic blocks; strip-shaped grooves are formed in the positions, located on the two sides of the drainage bag, of the movable plate, the strip-shaped blocks are slidably connected with the strip-shaped grooves, and springs are arranged between the strip-shaped blocks and the strip-shaped grooves. According to the scheme, the problem that when a patient carries a drainage bag to do exercise, the bag body is squeezed due to impact of other people, and liquid flows back is mainly solved.

The invention relates to the technical field of wind power generation, in particular to a wind driven generator blade hoisting device which comprises two hoisting arms and a fixing rod fixed between the two hoisting arms. Adjusting frames are arranged at the two ends of the suspension arm, a bandage assembly is connected between the two adjusting frames through a winding assembly, and the blade is sleeved with the bandage assembly. According to the blade hoisting device, stable hoisting of a blade is achieved through the synergistic effect of the binding belt assembly and the profiling pressing assembly, firstly, the binding belt assembly is driven by the winding assembly, the length of a binding belt can be adjusted in the initial hoisting stage, it is ensured that the blade is horizontally and stably lifted by the double suspension arms, and the blade can be stably hoisted by the double suspension arms; the overall lifting stability is optimized; and then, the profiling pressing assembly is started, an elastic assembly in the profiling pressing assembly can be attached to the irregular arc-shaped surface of the blade in a self-adaptive mode, large-area profiling contact is formed, and the sideslip risk of the blade in the hoisting process is effectively restrained.

The invention belongs to the technical field of medical sensing, and relates to a wound monitoring bandage and method based on flexible passive inductance-capacitance resonance sensing. Comprising a contact wound dressing; the sensor assembly comprises a first transparent dressing packaging layer, a second transparent dressing packaging layer and an LC resonance sensor, the first transparent dressing packaging layer and the second transparent dressing packaging layer are arranged in a stacked mode, the LC resonance sensor is packaged between the first transparent dressing packaging layer and the second transparent dressing packaging layer, and the LC resonance sensor is of a planar spiral structure; the second transparent dressing packaging layer is arranged at the top of the contact wound dressing; and the transparent dressing fixing layer covers and fixes the sensor assembly and the contact wound dressing. The problems that in the prior art, wound healing state evaluation depends on subjective experience, continuous real-time monitoring cannot be achieved, the healing environment is prone to being damaged and infection is caused by frequent dressing replacement are solved, and the dual functions of objective, continuous and non-invasive monitoring on the wound healing process and active healing promotion are achieved.

The present invention relates to the improvement of dressings and bandages specifically used for wound care of the breast and underarm post cancer radiation treatment, and general wounds and surgeries affecting the breast. There are known dressings that are limited to square and rectangular shapes, requiring multiple pieces to cover the breast and underarm. There are also known bandages, such as rolled gauze, that require wrapping the entire torso and / or across the shoulders and back to secure the dressings. However, this present invention is a single dressing contoured to the shape of the breast with a top, bottom and sides that extend beyond the affected breast and underarm area. This invention is also a single bandage that is backless, only covering the front and sides of the body, with edges that extend beyond the affected area and lined along the back with silicon that adheres to the unaffected skin.

The utility model belongs to the technical field of wearable instruments, and particularly relates to a convenient skin-friendly and cold and hot adjustable wearable instrument, which comprises a shell, and is characterized by further comprising a control panel arranged in the shell, and a power supply component, a silent fan, a radiator and a temperature controllable element with heating and cooling functions which are respectively connected with the control panel, the bottom of the shell is further sequentially provided with a bandage shell and a skin touch device, wherein the bandage can penetrate through the bandage shell. Compared with the prior art, during use, the skin touch device can receive heat energy from the temperature-controllable element, when the temperature-controllable element is in a refrigeration mode, the skin touch device conducts cool feeling to the skin of the human body, and when the temperature-controllable element is in a heating mode, the skin touch device conducts warm feeling to the skin of the human body. And moreover, the temperature-controllable element is controlled by the control panel, so that alternation of cooling and heating can be easily realized, and when the body is bruised, a good physical therapy effect can be achieved in a cooling and heating alternation mode.

The utility model discloses a pneumothorax first-aid device which comprises a bandage A and a bandage B. The bandage A and the bandage B are connected through a fixing piece, the pneumothorax first-aid device further comprises a supporting belt which is fixedly connected between the bandage A and the bandage B. The axial section of the supporting belt is shaped like a Chinese character'hui '. An elliptical tubular space is defined by the bandage A, the supporting belt and the bandage B; the transverse plate is connected to the supporting belt through a moving part, and an elastic pressing plate is installed on the transverse plate; through the arrangement of the movable plate and the movable groove, the elastic pressing plate can slide on the supporting belt, the pressing position of the elastic pressing plate can be conveniently and rapidly adjusted in the binding process, the whole position does not need to be moved, the elastic pressing plate can be rapidly and accurately pressed on dressing or a cotton cushion at the wound of a patient, and the dressing or the cotton cushion is not prone to being damaged. And the first-aid treatment efficiency is further improved.