43 results about "Scraping skin" patented technology

A device for removing skin having a cartridge with a file containing a plurality of cutting edges for scraping skin, wherein the cartridge is connected to a handle such that the removed skin is collected between the cartridge and the handle, and a removable cover that may be connected to the cartridge by placing the cover over the cutting surface so as to shield the user from the cutting surface when the implement is not in use and / or to prevent removed skin from exiting the cartridge through the cutting surface.

The invention relates to a method for making high-grade sheep skin soft upper leather from inferior sheep skin, which comprises: dying, polishing leather, spraying sarcenet oil, mending, smoothing, grounding using grounding agent, brushing and scraping using multi-membrane agent several times, plucking skin, beating soft, scraping skin, Spraying surface slurry, spraying fixation agent, spraying hand feeling agent, ironing etc. Grounding agent is formulated by cation compound resin, non-ionic wax, cation color cream and water. Multi-membrane agent is formulated by non-ionic caseose-free color cream, compound resin, small molecule acroleic acid, swelling resin etc. Surface slurry is formulated by color cream, non-ionic wax, compound resin, silicon casein, flexible acroleic acid, paint slurry etc. fixation agent is formulated by water and aqueous gloss oil. Grounding agent is used mechanically and manually in the invention. Multi-membrane agent ,surface slurry and fixation agent have low cost , little pollution and can make high-grade sheep skin soft upper leather from inferior sheep skin.

The invention discloses a self-adaptive electric razor for the blind, which comprises a shell, wherein a telescopic link is arranged in the shell, one end of the telescopic link is connected with a blade, the outside of the blade is provided with a shell port, the shell port is connected with a blade cover, the end part of the telescopic link in the shell is connected with a position sensor, and the control end of the position sensor is connected to the blade cover. The blade cover is provided with a plurality of small holes. The self-adaptive electric razor is formed by utilizing the prior razor technology and a self-adaptive induction system, and the blade can detect the automatic extension or concealment according to a sensor arranged outside the razor to achieve the aim of self-adaptively preventing scrapes. During the shaving, the razor can self-adaptively change the position of the blade, can achieve the aim of shaving the beard completely and can also effectively prevent the blind from scraping skin due to the fact that the blind can not see objects.

The invention relates to a skin scraping device, in particular to a bamboo joint skin scraping device. The technical problem to be solved by the invention is to provide the bamboo joint skin scrapingdevice capable of automatically scraping bamboo joints, reducing the safety risk and improving the working efficiency. The bamboo joint skin scraping device comprises a mounting frame, a first arc-shaped clamping plate, a second arc-shaped clamping plate, a discharging and blanking assembly, a pushing assembly, a skin scraping assembly, a sliding assembly, a fixing assembly, a pulling assembly andthe like; and a first arc-shaped clamping plate is arranged at the top of the mounting frame, and a second arc-shaped clamping plate is rotationally arranged on the first arc-shaped clamping plate. According to the bamboo joint skin scraping device, through cooperation of the second arc-shaped clamping plate and a first connecting rod, bamboo joints can be rapidly placed and taken out, manual knee jacking is not needed, through cooperation of a gear motor and a scraper, the bamboo joints can be rapidly scraped, and the working efficiency is improved; and through cooperation of a second sliding rod and a first wedge-shaped block, a fourth sliding sleeve can be rapidly fixed, and preparation before scraping is made.

The invention provides a belt material scraping device. The belt material scraping device comprises a material scraping skin positioning sleeve, a material scraping skin positioning sleeve support and material scraping skin. The material scraping skin positioning sleeve is fixed on the material scraping skin positioning sleeve support and located at the right end of the head portion of a belt conveyer. The material scraping skin penetrates through the material scraping skin positioning sleeve and makes contact with a belt at the right end of a driving roller. The right end of the material scraping skin is fixed with an upper fixing clamping plate and a lower fixing clamping plate. A pipe is arranged at the right ends of the positioning clamping plates. Two plates are symmetrically arranged at the two ends of the pipe. Slides in the length direction are arranged on the plates. The two ends of the pipe can slide along the slides under drawing of two hauling cables. One ends of the two hauling cables are connected with two balancing weights of the same mass respectively and drive the pipe to slide through transmission of two guide wheels. The belt material scraping device is reasonable in structural design, convenient to operate, high in working efficiency, easy to maintain and long in service life, and reduces the labor cost.

A device for removing skin having a cartridge with a file containing a plurality of cutting edges for scraping skin, wherein the cartridge is connected to a handle such that the removed skin is collected between the cartridge and the handle, and a removable cover that may be connected to the cartridge by placing the cover over the cutting surface so as to shield the user from the cutting surface when the implement is not in use and / or to prevent removed skin from exiting the cartridge through the cutting surface.

The invention belongs to the field of dermatological departments, and specifically relates to an exfoliating device. In order to solve the problems of difficult controlling on the degrees of exfoliation by using exfoliating liquid, the handheld exfoliating device which can control exfoliation degrees and has no corrosiveness is created. In order to achieve the above purpose, the created exfoliating device includes a shell, an oil drum and an exfoliating structure, and the exfoliating structure is installed in the shell and rotatably connected to the shell; the oil drum is detachably connectedto the shell; the shell is divided into a working end and an oil drum installation end; the working end is used for contacting skins and removing dead skins, and the oil drum installation end is usedfor installing the oil drum; the working end is an inclined plane, and the long edge of the working end is provided with a sheet skin scraper; and the skin scraper is slidingly connected to the shell.

The invention discloses a wall skin shoveling machine. The wall skin shoveling machine comprises a movable base, a lifting cylinder, a lifting platform and a skin scraping mechanism. The wall skin shoveling machine is characterized in that the skin scraping mechanism comprises a skin scraping base, a supporting base, a rotating motor, a transmission shaft, a gear column arranged on the transmission shaft in a sleeving mode, a pre-pressing motor, a fluted disc engaged with the gear column in the axial direction and a skin scraping assembly, wherein the skin scraping assembly comprises a transversely-arranged guide strip, a transmission disc slidably arranged at the bottom of the guide strip, a slope motor fixedly arranged at the top of the transmission disc, a slope lead screw connected to the output end of the slope motor, a slope nut, an elastic scraper rotationally arranged at the top of the transmission disc and a connecting rod hinged between the scraper and the slope nut; a shaft sleeve is arranged at the top of the gear column and connected with two transmission rods; a rolling wheel is arranged at the outer end of each transmission rod; and four transmission grooves are evenly distributed in the bottom of the transmission disc in the annular direction. According to the wall skin shoveling machine, semi-automatic shoveling of roof wall skin is achieved, the working efficiency is improved, and the labor intensity is relieved.

The invention relates to a scraping therapy device carrying smell waves. The device is composed of a pestle-shaped rod (hereinafter referred to as a pestle). The total length of the pestle is 13-15 cm, the diameter is 2-2.5 cm, and a protruding perforated scraping head (1) is designed at a position 2cm away from the front end of the pestle. The pestle is a shell, a cavity is formed in the shell, and a smell wave bag (3) is arranged in the cavity. The smell wave bag (3) is a smell wave bag which is prepared from a waterproof breathable film and is filled with a meridian channel information superconducting functional material. The device is used for scraping skin meridian points of a human body and transmitting and locking special smell waves of the material to the skin meridian points of the human body, so that the information impedance of meridian channels of the skin meridian points is reduced or eliminated, the information of the meridian channels is smooth, the smell waves directlyreach a disease site through a biological receptor, and symptoms are quickly improved or eliminated.

The invention discloses a multifunctional skin scraper, which comprises a handle, a connecting rod fixed forwards on the front end of the handle, and a blade installed downwards at the lower bottom surface of the front end of the connecting rod. The middle position of the blade edge of the lower part of the blade is slightly concave upwards to form an arc-shaped structure, and the front end surface of the blade is slightly concave backwards to form a spoon like structure suitable for holding skin samples. The multifunctional skin scraper has the effects that the middle position of the blade edge of the lower part of the blade is slightly concave upwards to form the arc-shaped structure suitable for fitting most parts of skin of a patient body, so that the skin scraping effect of a patientis good; the front end surface of the blade is slightly concave backwards to form the spoon like structure suitable for holding the skin samples, so that when the skin of the patient is scraped, the front end surface of the blade can simultaneously collect and store a part of scraped skin samples; and the multifunctional skin scraper has the advantages of multiple functions and being convenient todirectly transfer of the skin samples, that is, the troubles of using forceps and other tools to pick up the scraped skin samples of the patient and then transferring the skin samples to a sample boxis avoided, operation is fast and time-saving, and thus the use effect is good.

The invention relates to the technical field of medical devices, in particular to a head epidermis sebum sampler for laboratory, comprising a base body, a filter screen, a cap, a shaving module, a skin scraping module, a skin suction module and a power module, and the base body is cylindrical , the top of the substrate is horizontally connected to the filter screen, and the bottom of the substrate is horizontally connected to the cap. The interior of the substrate is provided with a shaving module, a skin scraping module, a skin suction module and a power module. The shaving module is used to remove the hair on the human scalp so as to scrape the scalp Tissue, the skin scraping module is used to scrape the epidermal tissue of the human head, the skin suction module is used to collect the skin of the human head, the power module provides power for the work of the skin suction module, and the razor is driven by the rotating motor in the hair shaving module during work The hair on the scalp is removed, and the scraping roller in the skin scraping module is driven by the power module to scrape the epidermal tissue of the head, and finally the scraped scalp tissue is transported to the storage box by the skin suction module.

The invention relates to health-care kudzuvine root preserved fruit effectively solving the eating of kudzuvine root as preserved fruit and reinforcing human health with the steps of selecting fresh kudzuvine root, scraping skin, washing it clean and cutting to strips; immediately putting kudzuvine root strips into color fixative hardening liquid for dipping to prevent oxidization and brittleness-keeping; washing pharmaceuticals and colloid on the kudzuvine root strips by clean water and boiling; adding citric acid, carrageenan or pectin in sugar liquor with low concentration into mixed liquor, boiling, and putting blanched kudzuvine root strips into mixed liquor for boiling and then into sugar liquor with low concentration for dipping; putting them into sugar liquor with medium concentration for boiling and then into sugar liquor with high concentration for dipping; fishing out kudzuvine root strips after sugar infusion, dropping redundant sugar liquor, drying them under the temperature of 60- 65oC, and packing them. The invention has rich raw materials, simple preparing method, excellent product quality and good taste, which is easy to save and eat, nutrient abundantly, fragrant and sweet without peculiar smell, and has created new approach for kudzuvine root eating with obvious economic and social benefits.

The invention relates to a multifunctional device for tapping channels and collaterals, attacking acupoints and scraping skin. In the device, a hammer is in a pentagonal or cylindrical shape; five element granules are arranged on the hammer according to a sequence of interpromoting relation in wood, fire, earth, gold and water, so that the device has multiple health-care effects of far infrared, magnet therapy, trace element guide therapy, the promotion of qi-blood circulation and the like. The device is characterized in that acupoints attacking heads and skin scraping heads are made of various materials with health-care functions, the combination and splitting of the multiple health-care functions of acupoints attacking heads and the skin scraping heads, so that the aim that users perform personalized health promotion according to physique and body-building requirements is fulfilled really.

The invention discloses a wall skin cleaner for building construction. The wall skin cleaner comprises a movable base, a lifting plate, a lifting mechanism and a skin scraping mechanism. The wall skin cleaner is characterized in that the skin scraping mechanism comprises a supporting plate connected to the lifting plate, a rotating shaft arranged on the supporting plate in a penetrating mode, a pre-pressing motor fixed to the lower portion of the supporting plate, a vertical plate, a transverse plate, a rotating motor fixed to the side wall of the vertical plate and a scraper assembly arranged on the transverse plate, wherein a push plate for pushing the rotating motor to move up and down is arranged at the output end of the pre-pressing motor, a gear disc is arranged at the output end of the rotating motor, and a columnar gear engaged with the gear disc is arranged on the rotating shaft; and the scraper assembly comprises a rotating disc connected with the rotating shaft, a connecting rod, a sliding block and an elastic scraper, the sliding block is slidably arranged on the transverse plate, the rotating disc and the sliding block are connected through the connecting rod, and the scraper is obliquely arranged on the sliding block. According to the wall skin cleaner for building construction, wall skin cleaning is facilitated, the cleaning efficiency is improved, and the labor intensity is relieved.

The invention discloses a scraping, grinding and whitening machine for fruit tree rough bark, and mainly relates to the technical field of fruit tree cultivation. It includes a scraping device; the scraping device includes two semicircular scraping driving devices, an opening and closing device and a scraping tool; the two semicircular scraping driving devices are respectively the first scraping driving device and the second Two scraping skin driving devices; the first scraping skin driving device and the second scraping skin driving device can be opened and closed through the opening and closing device; the first scraping skin driving device and the second scraping skin driving device both include a shell, a semicircle Shaped driven gear, reset positioning device; the first scraping drive device housing is provided with a power device on the side close to the notch groove; the scraping knife includes a plurality of grinding scrapers and elastic elastic bands; also includes a whitening device . The beneficial effect of the present invention is that it can automatically and one-time perform the scraping and whitening work of fruit trees, which not only liberates manpower, but also greatly improves the efficiency of the scraping and whitening work of fruit trees.

The invention discloses a skin scurf sampling device for skin disease examination. The skin scurf sampling device comprises a handle, a knob is arranged on the lower side of the handle, a connecting column is rotationally connected to the lower side of the handle, the lower side of the connecting column is fixedly connected with the knob, a connecting cavity is formed in the position, located on the upper side of the connecting column, of the handle, a screw rod is arranged in the position, located in the middle of the connecting cavity, of the handle, and a connecting hole is formed in the middle of the connecting column; and the lower end of the screw rod is located in the connecting hole, sliding grooves are formed in the positions, located on the two sides of the connecting hole, of the connecting column, a driving plate is arranged at the position, located in the middle of the connecting cavity, of the handle, a connecting seat is fixedly connected to the upper side of the driving plate, connecting plates are fixedly connected to the positions, located on the two sides of the connecting cavity, of the upper end of the handle, a protective sleeve is arranged at the upper side of the handle, a blade is slidably connected to the middle of the protective sleeve, a scrap containing box is arranged on the left side of the handle, and the portion, located on the lower side of the scrap containing box, of the handle is of an arc-shaped structure. Scraped skin can be collected, meanwhile, it is avoided that scurf is polluted, use of a next patient is facilitated, and the working efficiency of doctors is further improved.

The invention relates to a collecting device, in particular to a skin sample collecting device for the dermatology department. The skin sample collecting device for the dermatology department can prevent scraped skin samples from being blown away, and people are not prone to being scratched. The invention discloses a skin sample collecting device for the dermatological department. A placing hole is formed in a protective shell; the first clamping plate is arranged on the protective shell; the first limiting block is arranged on the first clamping plate in a sliding mode, and the first limiting block is in sliding fit with the protective shell; the number of the first reset springs is two, and the first reset springs are connected between the first limiting block and the protective shell. The first limiting block and the first clamping plate can limit the hands of people, and sponge pads on the first limiting block and the first clamping plate can relax the hands of people.

The invention discloses a liquorice skin scraping device, relates to special Chinese herbal medicine skin scraping equipment and belongs to the field of Chinese herbal medicine processing equipment. The liquorice skin scraping device is characterized in that a motor (6), a motor transmission shaft (4), a transmission belt (7) and a grinding wheel (1) are arranged in the liquorice skin scraping device; the motor (6) generates power to enable the motor transmission shaft (4) to rotate, and the transmission belt (7) is connected to the motor transmission shaft (4); the other end of the transmission belt (7) is used for controlling the grinding wheel (1). The liquorice skin scraping device has the advantages that a steel wire wheel is used for scraping skins at a high speed in a rotary friction mode, and the liquorice skin scraping device is suitable for scraping skins of all sorts of rhizome medicine materials; the liquorice skin scraping device is easy and convenient to operate, easy to master, fast and clean in skin scraping and high in production efficiency; powder is recycled, dust is little and the liquorice skin scraping device is friendly to the environment and healthy.

The invention provides a tissue culture method of habenaria rhodocheila. The tissue culture method of the habenaria rhodocheila comprises the following steps: obtaining an explant of the habenaria rhodocheila; carrying out disinfection treatment on the explant; carrying out skin scraping treatment on the explant subjected to disinfection treatment; carrying out inoculated culture operation on the explant subjected to the skin scraping treatment to obtain explant cluster buds; carrying out proliferation and rooting culture operation on the explant cluster buds ti=o obtain sterile bottle seedlings; and carrying out domestication and cultivation operation on the sterile bottle seedlings to obtain the habenaria rhodocheila. According to the tissue culture method of the habenaria rhodocheila, the proliferation efficiency of the habenaria rhodocheila is improved, and the population quantity stability of the habenaria rhodocheila is ensured.

The invention belongs to the technical field of medical devices, and particularly relates to a multi-functional VR nursing sickbed for the vascular neurosurgery. The multi-functional VR nursing sickbed comprises a bed body, VR glasses are arranged on one side of the bed body, a sensing unit is arranged on the top of the bed body, and the sensing unit comprises a plurality of sensing blocks which are arranged horizontally and inserted in sequence on the X axis and make contact on the Y axis. Operation lines are arranged on the sensing blocks, and one end of each operation line is close to the VR glasses. By arranging the sensing blocks, the operation lines and the VR glasses, a doctor wears the VR glasses and selects the corresponding operation line, the operation line pulls auxiliary lines, the auxiliary lines pull stop levers to move to the depth of the inner wall of the corresponding sensing blocks, at the moment, the stop levers do not stop horizontal plumbing bars any more, the doctor can pull the sensing blocks to horizontally move so as to slightly scrape skin of a patient, when the patient has a perception, the VR glasses can simulate the aching feeling of the patient, a more intuitive feeling of the doctor is achieved, the paralytic patient does not need to be turned over, and the efficiency of diagnosis is improved.

The invention belongs to the technical field of medical devices, and particularly relates to a multi-functional VR nursing sickbed for the vascular neurosurgery. The multi-functional VR nursing sickbed comprises a bed body, VR glasses are arranged on one side of the bed body, a sensing unit is arranged on the top of the bed body, and the sensing unit comprises a plurality of sensing blocks which are arranged horizontally and inserted in sequence on the X axis and make contact on the Y axis. Operation lines are arranged on the sensing blocks, and one end of each operation line is close to the VR glasses. By arranging the sensing blocks, the operation lines and the VR glasses, a doctor wears the VR glasses and selects the corresponding operation line, the operation line pulls auxiliary lines, the auxiliary lines pull stop levers to move to the depth of the inner wall of the corresponding sensing blocks, at the moment, the stop levers do not stop horizontal plumbing bars any more, the doctor can pull the sensing blocks to horizontally move so as to slightly scrape skin of a patient, when the patient has a perception, the VR glasses can simulate the aching feeling of the patient, a more intuitive feeling of the doctor is achieved, the paralytic patient does not need to be turned over, and the efficiency of diagnosis is improved.

The invention provides a production method of leek flower flounder. The production method comprises the following steps: cleaning flounders, then putting flounder bodies into a clean and smooth flat-bottom water channel, scattering refined salt accounting for 1% of the weight of the flounder bodies, flipping over or stirring the flounder bodies with a wooden shovel, picking up the flounders, scraping skin mucus, then removing gills and viscera, cleaning, then putting on a flat screen, placing in a well-ventilated place without direct sunlight for later use, and collecting mucus in the water channel; filling flounder bellies with marinade, and then putting the flounders into a container to be marinated according to a method that one marinade layer is arranged on each flounder layer; placingflounder mucus into the water channel, putting the marinated flounders into the flat-bottom square screen to be aired, placing in the water channel, uniformly smearing body surfaces with mucus, thenuniformly scattering a thin leek flower wrapping material layer on the surfaces of the flounder bodies, and compacting; hanging the flounders wrapped with leek flower on a frame, staying overnight atnormal temperature, and then placing in a hot air drier to be subjected to air drying. The leek flower flounder has the advantages that flavor is unique, taste is fresh and fragrant, nutritive value is relatively high, overall appearance can be better accepted by a consumer, lipid oxidation or mould hardly occurs on the finished product, and the quality guarantee period is long.

The invention relates to the field of sleep control, in particular to a raw material manufacturing equipment for sleep control appliances. The purpose of the present invention is to provide a raw material manufacturing equipment for sleep control appliances. The technical scheme is as follows: a raw material production equipment for a sleep control device, comprising a first chassis, a second chassis, a third chassis, a fourth chassis and a first bottom plate, etc.; when removing, it prevents the buds from being broken and damaged ;A skin scraping unit is connected above the fourth base frame; A skin scraping unit is connected above the first base plate; A skin scraping unit is connected to the petiole removal unit; Or curved stalks. The invention achieves the removal of petioles and crusts on the stalks, prevents the stalks from being broken and damaged when the petioles are removed, can adapt to different diameters or curved stalks when removing the stalks, and completely scrapes off the crusts.

The invention belongs to the technical field of kitchen supplies, and particularly relates to a kitchen knife capable of scraping skins. The kitchen knife capable of scraping the skins comprises a knife handle and a knife body. The kitchen knife is characterized in that an arc-shaped groove-shaped bottle opener is arranged at the upper end, close to the knife handle, of the knife body; the side face of the knife body is uniformly provided with a plurality of protrusions made of stainless steel to be served as a skin-scraping device. According to the kitchen knife capable of scraping the skins, the structure is simple, and using is convenient; the defect that a former kitchen knife is simplex in function is solved; not only a wine bottle can be opened, but also the skins can be scraped, and hence convenience is brought to the life of people; the cost is low, and application and popularization are facilitated.

The invention relates to skin scraping equipment, in particular to a skin scraping equipment for birdcage bottoms. The technical problem of the present invention is how to provide a birdcage bottom scraping equipment that replaces manual planing with machinery, has a high degree of automation, high work efficiency, and does not endanger the safety of workers. A bird cage bottom scraping device includes a base, a collection frame, a first support plate, a first support frame, a swing device, etc.; a collection frame is placed on the base, and a first support plate is provided on the upper left of the base. The invention drives the lever to swing through the rotation of the cam, thereby driving the planer to be in close contact with the wooden strips, better scraping the wooden strips, and clamping the wooden strips of different thicknesses through the set moving rod, which facilitates the scraping of the wooden strips At the same time, the fourth sliding sleeve is driven upward by the rotation of the cam, and then the wooden strip is moved upward, so that the friction between the planer and the wooden strip can be avoided when the planer is reset.

The invention relates to a floating double-knife scraping type Eucommia skin scraping device, which is characterized in that it includes a bottom plate, a lifting workbench, a strip loading mechanism, a layering mechanism, a floating double-knife scraping type scraping mechanism, and a collection box. A strip-loading mechanism is placed on the lift-type workbench. The front end of the lift-type workbench is provided with a beading mechanism. There is a collection box at the end. The strip loading mechanism includes a square plate and a square groove. The square plate is provided with a number of uniform parallel square grooves, and the square grooves are arranged along the front and back direction of the square plate. The operation of the invention is safer, and the potential safety hazard of concentrated sulfuric acid splashing in the manual operation process is eliminated. The invention facilitates the comparison of multiple groups of detection data, makes the experimental data more intuitive and accurate, and eliminates accidental errors and errors caused by different personnel operations.

The invention discloses a heat-melt hook degradable PLA (Poly Lactic Acid) magic tape and a manufacturing method thereof. The warp yarn arrangement mode in a weave structure is that: one hook warp poly lactic acid monofilament, namely, six to seven ground warp poly lactic acid multi-filaments; the hook density in a warp direction is one hook warp, namely, four to five weft yarns; the warp and weft yarn density in the weave structure is that: the diameter of the hook warp poly lactic acid monofilament is 0.14 to 0.16 mm; the ground warp and weft yarns are 14 to 18 tex / 70-90f. The product is used for products for children, such as a magic tape, which does not easily scrape skin, and does not cause the damage and discomfort of the skin; the magic tape can be biologically degraded after being discarded, and cannot pollute environment.

The invention relates to an intelligent scraped skin symptom acquisition and analysis system and method. The intelligent scraped skin symptom acquisition and analysis system comprises a visible lightimage acquisition module, a visual 3D data acquisition module and an intelligent analysis module, wherein the visible light image acquisition module and the visual 3D data acquisition module are usedfor acquiring color image data and visual 3D depth data of a scraped skin symptom on human skin respectively and sending the color image data and the visual 3D depth data of the scraped skin symptom to the intelligent analysis module; and the intelligent analysis module obtains the scraped skin color depth, the scraped skin spot size and the density according to the color image data and the visual3D depth data of the scraped skin symptom on the human skin so as to judge the condition of the scraped skin symptom. According to the system and the method, by acquiring the color image data and thevisual 3D depth data of the scraped skin symptom on the human skin and judging the condition of the scraped skin symptom by the intelligent analysis module, the scraped skin symptom can be automatically identified without professionals, an objective standard is provided for identifying the scraped skin symptom, the subjective uncertainty of personnel judgment is reduced, and a scraped skin symptom picture is acquired and stored for tracing and comparison.