121 results about "Pressure sore" patented technology

The invention discloses a medicinal composition for treating skin injury and ulcer diseases, and belongs to the field of Chinese medicament. The medicinal composition consists of collagen and Chinesemedicaments for clearing heat and releasing toxin such as coptis root, golden cypress bark, rhubarb, giant knotweed rhizome, honeysuckle flower, forsythia fruit and the like which are prepared into aplurality of dosage forms by matching the prior art. The technology overcomes the defects that the prior common preparations for the trauma department have extremely slow response, longer treatment course, adhesion with the skin, influence on scab cicatrization and the like, has quick and remarkable treatment effect on various skin diabrosis diseases such as mechanical wound, burn / scald, bedsore,chronic leg ulcer, diabetic foot or cancerous ulcer and the like, and can greatly shorten the required time for wound healing and tissue repair.

The present invention is a method and device for pressure offloading in order to alleviate or diminish pressure on an area of bony prominence, a blemish, wound, decubitus ulcer (also known as pressure ulcer or pressure sore) or surgical site by elevating the affected area above a surface without directly contacting the affected area. An interior filling of the present invention is composed of a Visco / Memory foam, natural buckwheat hulls, whole buckwheat seeds, millet hulls, water, gel, silicone, Styrofoam beads, a combination thereof, or other suitable material known in the art. The interior filling is enclosed in a hollow member, and an additional removable and / or reusable cover composed of anti-bacterial / anti-microbial fabric, encloses the hollow member for additional protection. Fastening means are attached to the cover to allow the user to reconfigure the shape of the device to provide the required support as needed for each use.

The invention discloses a pillow for preventing ankle pressure sores, and relates to the field of medical equipment. The pillow comprises a pillow body sleeved in a pillowcase; the pillow body is a trapezoid-shaped body; a U-shaped groove is arranged on the pillow body; the edge of the U-shaped groove and the top surface of the pillow surface are circular arc shapes; a pad with a through hole is arranged on the groove surface of the U-shaped groove or the bottom of the U-shaped groove is provided with a venting hole communicated with the pillow body; the bottom of the pillowcase is arranged as a folding type sleeve suiting mouth; both sides of the bottom of the pillowcase is provided with a fixed belt penetrating hole used for penetrating a fixed belt; one end of the fixed belt is provided with a fixed buckle, and the other end is provided with a buckle Velcro. The pillow for preventing the ankle pressure sores can not only solve the problem of pressure sores caused by long-term pressing of ankle joints and heels of patients in the long-term bed, but also solve the problems that the pillow for preventing the pressure sores is easily kicked away by the patients or in displacement, which causes the poor effect in preventing the pressure sores and heavy workload for nursing staff.

The invention discloses an inflating pressure-sore prevention cushion. The inflating pressure-sore prevention cushion comprises multiple airbag sets, an inflating pump, electromagnetic valves, an airpressure sensor and a control system, and each airbag set corresponds to some part of the human body; the inflating pump is communicated with the electromagnetic valves through air pipes; the electromagnetic valves are arranged among all airbag sets and the inflating pump; the air pressure sensor is used for detecting real-time air pressure of all the airbag sets; the inflating pump, the electromagnetic valves and the air pressure sensor are connected to the control system. Through reasonable design of the distribution structure of the airbag sets in combination with the control mode of the control system, when the inflating pressure-sore prevention cushion is in use, the experience of a user is effectively improved, through the arrangement of all modes, the cushion is suitable for being utilized by the bedridden user in all time intervals, the transfer of stress points of the bedridden user is facilitated, the blood circulation is promoted, and the treatment effect is further improved.

The invention belongs to the technical field of animation production, and discloses a device for producing a stop motion animation. The device is provided with a machine base; a picture display is fixed at the upper end of the machine base through bolts, and a first telescopic base, a second telescopic base and a third telescopic rod are arranged at the right end of the machine base; the right endof the third telescopic rod is fixedly provided with a hinge support through bolts, the hinge support is provided with a fixing plate through bolts, a swiveling head is fixed to the fixing plate through a bearing, and a clamping hole is formed in the swiveling head; and the swiveling head is connected to an universal joint, and the universal joint is connected to a shooting camera in a clamping mode. According to the device, the shooting scene can be shot at different angles, pictures can be displayed on the picture display for reference for a photographer, the photographer does not need to walk back and forth between the shooting scene and the device, the shooting efficiency is thus improved, and the shooting process is rapid and convenient. According to the device, a handle is arrangedbehind the shooting camera, so that the shooting comfort and the shooting efficiency are improved; and due to the fact that a rubber sleeve is arranged on the handle, pressure sores on hands can be avoided in the shooting process.

An exterior-applied medicine in the form of powder for treating burn, scald, wound, bed sore, skin ulcer, etc is proportionally prepared from tale, borneol and bactericide through respective grinding and proportional mixing.

The invention disclose a pressure sore preventing bed provided with feedback information. The bed comprises a bed frame, an air container, an inflation and deflation device, a compound air cushion anda sponge mat. According to the bed, by arranging the compound air cushion on the rigid air container, detecting the stress state of each air bag through wireless pressure sensor chips, obtaining theportions, under pressure for a long term, of a bedridden patient, feeding the information back to a numerically-controlled detection instrument through the wireless pressure sensor chips and controlling and adjusting the air pressure of each air bag of the compound air cushion through the numerically-controlled detection instrument, the contact portions of a mattress and the bedridden patient arechanged, so that prevention, alleviation and treatment of the condition of the patient with pressure ulcers are achieved. The bed has the advantages that the structure is simple, operation and use areconvenient, the precision of the positions of the air bags is high, and the effects of prevention and treatment are good.

The invention relates to the technical field of breathing masks, and discloses a noninvasive breathing mask. The noninvasive breathing mask comprises a mask body matched with the face of an ordinary person and an inflation and deflation device, wherein the front end of the mask body is fixedly connected with a connecting pipe, and the rear end of the mask body is fixedly connected with a face attaching plate. The face attaching plate is fixedly connected to the rear end of the mask body, so that the stress area of the skin of a user is increased. Through the design of a first air bag, a secondair bag and a silica gel pad, the elasticity, the sealing performance and the comfort of the mask are improved, and the first air bag and the second air bag are alternately inflated or deflated through the inflation and deflation device, so that the compression area and the single-position skin long-term compression are adjusted, and the occurrence of pressure sores is effectively avoided.

The invention relates to the field of medical instruments, and in particular to a position limiting auxiliary device for a rehabilitation sickbed after esophagus surgery. The position limiting auxiliary device comprises a head pad and a mattress; the head pad comprises an upper flat plate, a lower flat plate, a first air bag and a second air bag; the upper flat plate is arranged above the lower flat plate; the first air bag and the second air bag are arranged side by side; the first air bag and the second air bag are respectively and fixedly connected with the lower end face of the upper flatplate and the upper end face of the lower flat plate; the middle part of one side, facing the mattress, of the upper flat plate is rotationally connected with one end of a connecting device, and the rotating axis is vertical to the length direction of the mattress; the other end of the connecting device is rotationally connected with the middle part of one side, facing the head pad, of the mattress, and the rotating axis is vertical to the width direction of the width direction of the mattress; the lower flat plate is fixedly connected with the mattress; and the distance from the lower flat plate to the joint of the connecting device and the mattress is greater than 5 cm. The position limiting auxiliary device has a simple structure, can effectively reduce difficulty of keeping the lying posture of a child after an esophagus surgery and adjusting the lying posture of the child after the esophagus surgery, and effectively reduces occurrence of pressure sores.

The invention belongs to the technical field of traditional Chinese medicines, and relates to a traditional Chinese medicine for treating haemorrhoids, chilblain and pressure sore and a preparation method thereof. The traditional Chinese medicine is prepared from the following bulk drugs in parts by weight: 3-5 parts of calomel, 3-5 parts of yellow lead, 4-6 parts of myrrh, 3-4 parts of frankincense, 6-7 parts of dragon's blood, 4-6 parts of pangolin, 7-8 parts of vermilion, 4-6 parts of borneol, 4-6 parts of catechu, 10-15 parts of yellow wax, 4-6 parts of centipede, 2-3 parts of cantharis, 2-3 parts of castor bean and 4-5 parts of scorpion. In the invention, the raw materials of the traditional Chinese medicine are reasonably combined together and complement each other so as to realize the efficacies of eliminating toxic material and dissipating stagnation and promoting tissue regeneration and wound healing, thus achieving the purpose of effectively treating haemorrhoids, chilblain and pressure sore.

The invention relates to the technical field of medical instruments, and particularly relates to an inflatable headrest device for lateral position surgery and a using method. The inflatable headrestdevice for lateral position surgery and the using method aim to solve the problem that in the prior art, under the condition that normal operation of surgery is not affected, the time of pressure acting on the local tissue of a patient cannot be effectively shortened to avoid the phenomenon of skin pressure sores. The inflatable headrest device for lateral position surgery comprises a headrest body and an inflation mechanism, wherein the headrest body comprises a first air bag and a second air bag, and the second air bag is arranged on the inner side of the first air bag; the inflation mechanism is connected to the first air bag through a first inflation pipe, the inflation mechanism is connected to the second air bag through a second inflation pipe, and the inflation mechanism is used forinflating and deflating the first air bag and the second air bag. According to the technical scheme, the time of pressure acting on the same local tissue of the patient can be effectively shortened,and the phenomenon of skin pressure sores is prevented or reduced.

The invention discloses a multifunctional medical bed, and particularly relates to the technical field of medical beds. The multifunctional medical bed provided by the invention can meet various functional requirements by being designed with a bed body, a bed frame, a temperature control device, a suspension device, a weighing module and an inflatable mattress; various positions required by examination, treatment, surgery and nursing can be implemented with no need for the patient to leave the bed, medical treatment and nursing work are facilitated, burden and pain of patients caused by pressure sores due to long-term bed-riding are reduced, and medical management level is raised; besides meeting differential lifting function, side turning function and the other functions of each part, thebed body also has more functions, such as weighing, bed bathing, constant temperature, physical cooling, rehabilitation exercise, suspension and CPR one-key reset, and meeting the requirements on different surgical positions.

The invention belongs to the technical field of medical appliances, and particularly relates to a medicinal composition for filling a nursing pad for preventing pressure sore. The medicinal composition comprises the following components in parts by weight: 50-600 parts of chrysanthemum, 30-300 parts of mint, 10-300 parts of borneol, 50-600 parts of tea leaf, 50-600 parts of lotus leaf and 20-300 parts of cassia seed. A medicinal filling material is taken as a filling material of a nursing pad body, and has appropriate hardness, so that use comfort is realized for a patient; meanwhile, medicinal auxiliary treatment is performed on the patient by fully utilizing the medicinal effect of the medicinal filling material, so that nutrition is provided for the skin surface of the patient, blood circulation of the patient is promoted, and the occurrence of symptoms such as pressure sore and the like is reduced; and the medicinal composition has the remarkable effects of preventing pressure sore, improving circulation and nourishing skin.

The invention discloses a multifunctional noninvasive humidifying breathing mask. A skin-friendly silica gel gasket is further arranged between a silica gel ring and a human face, the skin-friendly silica gel gasket and a mask body are connected and fixed at the end of the nose bridge of the human body, the butt joint end of the silica gel ring and the skin-friendly silica gel gasket is branched into two silica gel ring edge edges, and a notch groove is formed between the two silica gel ring edge edges. The mask body is further provided with an air exchange opening, an air exchange hole is formed in the air exchange opening, an air exchange opening cover with a notch is arranged on the outer side of the air exchange opening, and a net type atomizer is further movably and detachably arranged on the air exchange hole. The silica gel gasket is attached to the face of a patient and is in butt joint with the silica gel ring, the face mask is fully matched with the specific face of the patient, the problem of face pressure sores of the patient is solved, the net type atomizer is directly arranged on the face mask body, the nasal cavity and the oral cavity of the patient are effectively humidified, operation such as sputum suction, atomization, humidification and oxygen inhalation can be carried out without taking down the mask, the workload of nurses is effectively reduced, and a good treatment effect is achieved.

The invention discloses a training device for postoperative rehabilitation nursing in a cardiology department and relates to the technical field of medical treatment. The training device comprises a support seat, a groove is formed in the upper side of the support seat, and a plurality of support shafts are arranged in the groove. The training device for postoperative rehabilitation nursing in thecardiology department is pushed by a worker or a relation through a support handle and antiskid sleeve, meanwhile, large rollers and small rollers facilitate pushing by the pusher, besides, through the small rollers, a rotating shaft II, a belt pulley I, a belt, a belt pulley II, a rotating shaft, a cam, a movable rod and a spring, a movable plate moves leftwards and rightwards to drive legs of apatient to move up and down so as to drive the body of the patient to move in a small range, multiple blood activating rolls massage the patient for activating blood, and the problems of no blood circulation, high probability of foot and leg edema and even occurrence of symptoms such as pressure ulcer in severe cases due to long-term body exercise reduction of the patient after a cardiology operation are finally solved.

The invention provides a urinary catheterization device for urinary surgery. Through the design, the problems that an existing urinary catheterization device cannot massage the back of a patient, promote blood circulation of the back and reduce the possibility of pressure sores, the massage amplitude cannot be adjusted, the massage mode is single, when the patient lies in bed, a urine bag has nowhere to be placed, peculiar smell can be generated when the urine bag is hung beside the bed at will, when the patient lies in bed, the body turning amplitude is too large, the urinary catheter can fall off, the lower limbs of the patient cannot be fixed in an auxiliary mode, and when an old patient needs to get up for activities or examination, the old patient is not prone to getting up are effectively solved. The urinary catheterization device comprises a base and a bed board, the upper end of the base is fixedly connected with the lower end of the bed board, the front side of the upper end of the bed board is rotationally connected with a turnover plate capable of turning over upwards intermittently, the lower end of the turnover plate is rotationally connected with an inclined rod, the outer surface of the inclined rod is in sliding fit with a swing block, the rear end of the swing block is rotationally connected with the lower end of the turnover plate, and the swing block can rotate along with the inclined rod to move left and right in a reciprocating mode.

The invention provides a method for preparing powder for preventing and treating pressure sore. According to the method, dragon blood and pharmaceutical grade talc powder serving as raw materials are selected and uniformly mixed to prepare the powder. The method comprises the following steps: (a) selecting, namely removing impurities of dragon blood, crushing into particles or grinding into powder; cleaning, grinding and drying the talc powder (pharmaceutical grade); (b), respectively screening the selected dragon blood and talc powder (pharmaceutical grade) through a 120mesh screen; (c) uniformly mixing, namely screening and uniformly mixing the screened dragon blood and talc powder (pharmaceutical grade) according to a certain proportion, and packaging. The method only uses dragon blood and talc powder (pharmaceutical grade) as raw materials, and is simple in production process and low in cost, the product has good clinical curative effect and is convenient to transport and store, and a new road is opened to relieving of pains of patients. The powder is economical and practical due to combined use of the two medicinal materials, can be used at home, and is worthy of popularization.

The invention discloses a pressure-sore-preventing intelligent reminding system and method. The reminding system comprises a pressure sensor, an alarm terminal, an intelligent wristband and a display terminal, wherein the pressure sensor is connected with the alarm terminal; the alarm terminal is in wireless communication with the intelligent wristband and the display terminal; and the alarm terminal is controlled by a microprocessor. A patient lies on the pressure sensor; the pressure sensor collects pressure signals in real time and sends the pressure signals to the alarm terminal; the alarm terminal carries out analysis and processing on the received pressure signals; and if the pressure signal duration time of the same place is larger than a set threshold value, the alarm terminal sends alarm reminding to the intelligent wristband and the display terminal simultaneously to remind caretakers / medical workers of the information that the patient is not turned over for a long time. The pressure-sore-preventing intelligent reminding system and method can carry out monitoring and alarm on the turnover state of the patient to enable nurses or the caretakers to receive the turnover information of the patient in time, thereby preventing the generation of pressure sores.

The invention relates to a newborn intensive care device and a using method thereof. A top air vent is formed in a top supporting plate; an ultraviolet irradiation lamp is fixedly mounted on the bottom wall of the top supporting plate on one side of the top air vent; a heating irradiation lamp is fixedly installed on the bottom wall of the top supporting plate on one side of the ultraviolet irradiation lamp, a fan is fixedly installed on the bottom wall of the top supporting plate on one side of the heating irradiation lamp, the ultraviolet irradiation lamp, the heating irradiation lamp and the fan are connected with a controller through wires, and a comprehensive limiting monitoring device is arranged on the top of a sickbed body. The problem that the height difference of the newborn after birth is difficult to limit in the prior art is solved; the body limiting air bags of different types are used for limiting the body of a child patient after the child patient is placed, a head limiting device is matched, the head of the child patient is moved regularly, pressure sores on the head of the child patient are prevented, and on the premise that normal operation of the monitoring equipment is guaranteed, the comfort degree and limiting of the body of the child patient are fully guaranteed.

The invention provides a system and a method for synchronously monitoring muscle tissue blood oxygen parameters and skin surface pressure. The system comprises a muscle oxygen level and pressure synchronous acquisition module for synchronously acquiring blood oxygen parameters of local muscle tissues of a human body and pressure values of skin surfaces of corresponding parts, a data analysis module which is used for receiving the human body local muscle tissue blood oxygen parameters and the pressure value of the skin surface of the corresponding part, transmitted from the muscle oxygen leveland pressure synchronous acquisition module, and analyzing the mapping relation between the local muscle tissue blood oxygen parameters and the pressure value, and setting a safety pressure thresholdvalue for maintaining normal microcirculation of muscular tissues at different parts of a human body, a pressure real-time monitoring module which is used for monitoring pressure values of all areas of contact interfaces of different parts of the human body and other objects in real time, and an alarm module which is used for giving an alarm prompt when the pressure real-time monitoring module detects that the pressure value is greater than the safety pressure threshold value. The interface design of an assistive device can be optimized, and skin problems such as pressure sores can be prevented.

The invention discloses an adjustable nasal oxygen cannula and stomach tube fixing device capable of preventing pressure sores. The adjustable nasal oxygen cannula and stomach tube fixing device is characterized by comprising a stomach tube fixing belt, wherein the stomach tube fixing belt is of an arc shape; the stomach tube fixing belt is provided with a stomach tube clamping hole structure used for installing a nasogastric tube, and a fixing part used for fixing the stomach tube positioned on the face; and two ends of the stomach tube fixing belt are connected and fixed through connecting parts. The nasogastric tube fixing clamping hole structure can effectively fix a stomach tube and a nasal catheter, a thin rubber ring is arranged on the inner ring of the clamping hole, friction force between the stomach tube and the clamping hole is increased, and the stability of the stomach tube fixing structure is guaranteed. A medical foam dressing on the inner surface of the fixing belt has a high skin-friendly degree and good elasticity, is comfortable and non-sticky, and can quickly absorb parts of fluid, prevent the pressure sores and reduce facial skin allergy.

The invention discloses a pressure sore depth detector. The pressure sore depth detector comprises a shell; the bottom of the shell is provided with an infrared receptor probe; the front of the shell is provided with a switch button and a start / pause button respectively; the back of the shell is provided with a back cover into which a lithium battery and a memory card can be arranged; the upper end of the shell is provided with a display capable of displaying local depth data in real time, and is provided with a USB (universal serial bus) interface corresponding to the display in position. The pressure sore depth detector is simple in structure and convenient to operate, can accurately detect pressure sore damaged depth and is obvious in effect and high in economic and social benefits.

The invention provides a pressure sore prevention alarm device. The pressure sore prevention alarm device comprises a first supporting plate and a second supporting plate. The two sides of a first fixing plate and a second fixing plate are fixedly connected with the first supporting plate and the second supporting plate respectively. The second fixing plate is arranged below the first fixing plate, and the two sides of the second fixing plate are fixedly connected with the first supporting plate and the second supporting plate respectively; two lifting mechanisms are arranged on the second fixing plate; and a control assembly is arranged on the second fixing plate. According to the pressure sore prevention alarm device, the turning-over time is greatly prolonged, the labor intensity of nursing personnel is reduced, meanwhile, the meridian dredging time of the buttocks and the shoulders of the patient is shortened, the blood of the buttocks and the shoulders can be circulated in time, and the probability that bedsores happen to the buttocks, the buttocks and the shoulders is reduced.

The invention relates to the technical field of medical devices, in particular to a device for fixing achilles tendon skin. The device comprises a flexible fixing part and a rigid fixing part, whereinthe rigid fixing part is detachably mounted on the flexible fixing part. The device has a better fixing effect and low possibility of causing pressure sore on the achilles tendon skin of a patient, effectively shortens recovery time of the patient and can guarantee the fixing effect; a bag body containing analgesics is relatively convenient to replace; medical care personnel can conveniently nurse a wound in the achilles tendon skin of the patient; the device is quicker and more convenient to use; an adverse phenomenon of accidental breakage of a steel wire when two ends of the steel wire arearticulated to form a knotting articulated column can be effectively avoided; therefore, a trouble of secondary fixing of the wound in the achilles tendon skin of the patient is avoided; and particularly importantly, the patient can be prevented from a pain of the secondary fixing. The invention further discloses a use method of the device for fixing the achilles tendon skin. The recovery time ofthe patient can be effectively shortened.

The invention belongs to the technical field of nursing equipment, and provides an electric control nursing bed. A head plate can be driven by a head plate electric push rod to incline upwards, so that the head and the shoulders of a patient are lifted, the head plate and a trunk plate can lift the back of the patient upwards under the action of a trunk plate electric push rod, and bedsores are avoided; thigh plates, shank plates and foot plates can incline under the action of lower limb driving assemblies, so that the patient is helped to carry out rehabilitation training; and a remote controller can replace a manual control driving device, so that nursing personnel can help the patient to carry out actions such as turning over or leg lifting without manually adjusting the nursing bed, and even the patient can use the remote controller to control the nursing bed. Therefore, the electric control nursing bed provided by the invention can help the patient to turn over, prevent bedsores,help the patient to carry out shoulder, neck and lower limb action exercises, avoid muscle soreness, help the patient to recover, and reduce the working intensity of the nursing personnel.

The invention relates to a healing ointment for treating ulcer wounds, pressure sores, burns and various wound surfaces. The ointment comprises: high molecular weight sodium hyaluronate with a molecular weight of over 1million and a concentration of 0.3-2%, a low molecular weight sodium hyaluronate with a molecular weight of less than 0.1million and a concentration of 0.1-1%, chitosan with a concentration of 0.1-2%, chitosan oligosaccharide with a concentration of 0.05-1%, hydroxyethylcellulose with a concentration of 1.5-3%, and the balance purified water. The wound healing ointment of the invention not only can rapidly cure ulcer wounds, pressure sores, burns and various wound surfaces, etc., but also can avoid bacterial infections, and reduce scar hyperplasia. With appearance and function improving functions, the wound healing ointment in the invention has obvious treatment effects.

The invention discloses an intelligent body position shaping and fixing mattress system which comprises a frame and a controller arranged outside the frame. A limiting plate is arranged at the upper end of the interior of the frame, a plurality of through holes arranged in a matrix mode are formed in the limiting plate, insulating limiting rods capable of sliding up and down are arranged in the through holes respectively, magnetic conductive iron cores are installed at the bottom ends of the insulating limiting rods, and springs are arranged outside the insulating limiting rods in a sleeving mode. The upper ends of the springs are connected with the limiting plate, and the lower ends of the springs are connected with the insulating limiting rods; an electromagnetic plate structure is further arranged at the lower end of the frame and comprises a lifting assembly arranged in the frame, and an electromagnetic plate matched with the magnetic conductive iron core is fixed to the top of the lifting assembly. The intelligent body position shaping and fixing mattress system has the advantages that the limiting and fixing height can be intelligently adjusted to meet the application requirements of different body positions of a patient, the shaping and limiting effect is good, and pressure sores are not likely to be generated.

The invention discloses traditional Chinese medicine gel for treating a stage-III pressure sore and a preparing method of the traditional Chinese medicine gel. The traditional Chinese medicine gel is prepared from 10-20% of traditional Chinese medicine clear paste, 0.5-3% of high polymer material, 0.5-3% of neutralizer, 6-8% of wetting agent, 2-5% of skin previous absorbent, 2-3.5% of surfactant, 0.2-0.8% of preservative and the balance water. The traditional Chinese medicine clear paste is prepared from thalictrum, dandelions, herba hyperici, camuning, buddleja asiatia, pothos repens and radix angelicae. The medicine is used in combination and has the effects of clearing away heat and toxic materials, promoting blood circulation to remove blood stasis, cooling the blood to relieve swelling, removing necrotic tissue and promoting granulation, growth and reproduction of infection pathogen can be effectively controlled, meanwhile, the microcirculation around a wound surface is improved, local blood flow is increased, skin channels are dredged, toxic materials are removed, necrotic tissue fades, swell is totally dispersed, and fresh meat automatically grows. Meanwhile, the obtained gel has good adhesion and a film forming characteristic, can be tightly attached to an action part for a long time and has good biocompatibility, the foreign body sensation is avoided after the gel is smeared, and clothes are not likely to be stained.