75results about How to "Avoid re-injury" patented technology

The invention relates to an external traditional Chinese medicine for treating burn, scald and various skin injuries; the medicines of raw materials of the external traditional Chinese medicine consist of rhubarb, scutellaria, phellodendron, burnet and coptis which have weight percentage of 1 to1 to1to1 to 1 to 1. The external traditional Chinese medicine belongs to a pure traditional Chinese medicine preparation, is safe, reliable and easy to obtain the medicines, has lower price, no toxic side effect, short treatment time and high curative effect and generally remains no scar after healing.

The invention belongs to the technical field of joint dysfunction therapeutic devices, and particularly relates to a joint dysfunction fine adjustment type static drawing support. The joint dysfunction fine adjustment type static drawing support comprises a lower limb surrounding sleeve and an upper limb surrounding sleeve, wherein a lower joint bracket and an upper joint bracket are respectively arranged on the lower limb surrounding sleeve and the upper limb surrounding sleeve and are movably connected through a joint shaft to form a bendable joint assembly; a plurality of buckling band rings are respectively arranged on the lower joint bracket and the upper joint bracket; a plurality of deep slot pulleys are fixed arranged on the lower limb surrounding sleeve and the upper limb surrounding sleeve and are connected through traction ropes to form a pulley group; the lower limb surrounding sleeve or the upper limb surrounding sleeve is provided with a stepping type rope winding rotating wheel. The joint dysfunction fine adjustment type static drawing support is simple in structure, low in cost, easy to operate, safe, reliable and good in treating effect.

The invention discloses a long bone fracture repositioning device, which comprises a proximal end support frame, a distal end support frame, quick drawing extension rods, steel needle fixing clamps and steel needles, wherein the quick drawing extension rods are connected between the proximal end support frame and the distal end support frame, the steel needle fixing clamps are connected to the proximal end support frame and the distal end support frame, the steel needles are clamped by the steel needle fixing clamps, the proximal end support frame and the distal end support frame are same in structure and respectively comprise a transverse chute type repositioning slide plate and two fixed gliding hole plates which are connected to the chute type repositioning slide plate, one surface of each chute type repositioning slide plate is provided with a transverse guide sliding chute, a transverse guide long hole is formed between the bottom of the guide sliding chute and the other surface of the chute type repositioning slide plate, the fixed gliding hole plates are provided with holes for connecting the steel needle fixing clamps, the fixed gliding hole plates are further provided with positioning bulges which are matched with the guide sliding chutes and can slide along the guide sliding chutes. The long bone fracture repositioning device disclosed by the invention is simple in structure, the minimally invasive idea is enhanced, the excellent rate of repositioning is improved, and requirements of fracture repositioning and various malformation correcting can be met to the maximum extent.

The invention relates to a cervical spondylotic myelopathy (CSM) experimental animal model and a making method thereof, belonging to the technical field of osteopathic medicine experimental animal models. According to the technical scheme of the invention, a living rabbit, goat, dog, miniature pig or experimental mouse is used as a model body, a compression nail is placed at C3 cervical vertebra body of the rabbit, goat, dog, miniature pig or experimental mouse, and developing biomaterial is filled inside the filling hole of the compression nail. The making method of the CSM experimental animal model comprises the following steps of: making a hole at the C3 cervical vertebra body, and placing the compression nail into the hole to cause spinal cord ventral compression. The CSM experimental animal model provided by the invention has the following benefits that the C3 cervical vertebra is selected as the vertebral body where the compression nail is placed, which completely breaks the domestic and abroad traditional mode of compression at C4 or C5 cervical vertebra, is a new breakthrough in CSM experimental animal model making and achieves an ideal experimental effect; and the surgical operation is simple and safe, and the change of CSM after long-term chronic compression can be studied in various imaging techniques at the same time.

The present invention is a device for controlled assisted movement of a disabled and / or injured leg. The device includes a dynamic elastic force member that extends longitudinally between a proximal end and a distal end of the dynamic elastic force member. The device further includes a handle operably coupled to the proximal end of the dynamic elastic force member and a suspension apparatus operably coupled to the proximal end of the dynamic elastic force member. Further, the device includes an attachment apparatus operably coupled to the distal end of the dynamic elastic force member. The device exerts a motive force that assists in movement of the leg when the user pulls the handle.

The invention discloses a method for acquiring the genetic information of an ancient animal. The invention also provides a method for extracting the DNA of the ancient animal. The method for extracting the DNA of the ancient animal comprises the following steps of: (1) putting an ancient animal sample in a cracking buffer solution for cracking and centrifuging to obtain a cracking solution; (2) adding a settling aid buffer solution with volume equal to that of the cracking solution to the cracking solution and centrifuging to obtain a supernatant; and (3) taking the supernatant, adding isopropyl alcohol with volume equal to that of the supernatant to the supernatant and centrifuging to obtain a DNA precipitate. On the basis of the step (3), the method for acquiring the genetic information of the ancient animal also comprises the following steps of: (4) washing; (5) dissolving the DNA precipitate obtained in the step (4) with water and carrying out amplification and sequencing after damaged templates are removed; and (6) carrying out multiple conventional amplification and sequencing by sampling, and then comparing with a result of the step (5) to acquire real genetic information of the ancient animal. The methods of the invention have the characteristics of simplicity, time saving, low cost and high extraction efficiency and is suitable for detection works with large sample quantities.

A apparatus for treatment of acute or chronic pain comprising a pain relief treatment device applicable to a soft tissue injury at the periosteal-osseous boundary, and a device for immobilization of the area of soft tissue injury after application of the treatment device. Pain treatment may comprise injection of anti-inflammatory agent, including but not limited to steroids, and / or anesthetics; or low power laser irradiation, or cold treatment to the area of soft tissue injury. Immobilization devices for the cervical and lumbar vertebrae are provided for promoting healing of treated soft tissue injury sites. The invention includes a packaged set of materials comprising a pain relief treatment device, and an external supportive device for immobilizing the soft tissue injury at the site of treatment.

The invention discloses an animal therapy apparatus, which comprises an animal rotating mechanism, a treatment console and an animal fixing mechanism, wherein the animal rotating mechanism comprises arotating motor, a speed reducer, a driving shaft, a bearing seat, a left driving gear, a right driving gear, a left driven gear, a right driven gear, a left driven gear support frame and a right driven gear support frame; the treatment console comprises an animal supporting platform and a platform lifting hydraulic cylinder; the animal supporting platform is arranged between the left driven gearand the right driven gear, and the left end of the animal supporting platform is close to the left driven gear; the animal fixing mechanism comprises a foot fixing bracket I, a foot fixing bracket II,a foot fixing bracket III, a foot fixing bracket IV, a neck fixing bracket and a body fixing bracket. According to the animal therapy apparatus provided by the invention, an animal, as required, canbe driven to rotate to a position where operations of a veterinarian can be facilitated through skillful arrangement of the rotating mechanism, without loosening the animal from the animal fixing mechanism; and through one-way localization, various parts of a animal body can be examined.

The invention relates to a restoring device, in particular to a recovering device specific to a patient with leg fracture. The invention provides the recovering device specific to the patient with legfracture. The device does not require exercise recovery by walking and avoids re-injury of the fractured leg. The technical embodiment of the invention is as follows: a special restoring device for aleg fracture patient comprises a base, a vertical rod, a first cylinder, a second cylinder, a first arc-shaped placing plate, an arc-shaped plate, an arc-shaped slider, a connecting plate, a screw, aconnecting rod, a strut and the like; At that top of the base, a groove is arrange in the middle of the groove, vertical bars are arrange at the middle and right sides of the groove, a first cylinderis rotatably arranged at the top end of the left vertical bar, and a second cylinder is rotatably arranged at the top end of the right vertical bar. As that leg are placed in the first arc-shape placing plate and the second arc-shaped placing plate, the first arc-shaped place plate is pushed to move up and down, the legs can be exercised and recovered, the legs can be recover without walking, andthe legs are prevented from being injured again.

The invention discloses a stretcher, which comprises a frame, a carrying plate arranged in the frame, fixing pads symmetrically arranged on the carrying plate, wherein one end of the frame is a rescuer holding end, and is hinged with two support bars; two brackets are hinged at the other end of the frame opposite to the holding end; a sliding pulley is arranged at the bottom end of each bracket; limit parts are arranged at joints of the frame and the brackets and joints of the frame and the support bars; and each fixing pad comprises a wing part and a body part, the wing part is connected with the support plate, compressible particles are filled in the body part, and a nozzle is formed on the body part, so that air in the body part can be pumped out through a negative pressure pump. In the stretcher, single-person operation can be realized by virtue of the brackets and the support bars, and the compressible particles are filled in the body part of each fixing pad, so that a wounded person can be closely attached to the fixing pads after air is pumped out, the steady degree of fixing the wounded person is improved, and the wounded person is prevented from being wounded once again.

The invention relates to a dressing for repairing a wound surface and a preparing method thereof. The dressing comprises a non-woven fabric layer, a keratin layer and a pressure-sensitive adhesive layer, the keratin layer and the pressure-sensitive adhesive layer are both arranged on the non-woven fabric layer, and the pressure-sensitive adhesive layer is arranged on the periphery of the keratin layer and fixedly connected with the keratin layer. Keratin is arranged in the keratin layer and is hair keratin, and the hair keratin is any one of granular hair keratin and gelation hair keratin. The dressing and the preparing method have the advantages that the hemostatic effect is good, and repairing of the wound surface can be effectively accelerated; bacterial infection can be effectively prevented; good biocompatibility is achieved; oozing of the wound surface is controlled and absorbed; air permeability is high; regenerated tissue is protected; toxic and side effects are avoided, and irritability is avoided; utilization is convenient.

A semiconductor temperature-adjusting inflation bandage comprises a bandage body which is provided with a sling. The bandage body is cylindrical, an air cushion layer is arranged on the outer surface of the bandage body, and an air access hole is formed in the air cushion layer. By the adoption of the structure, after the air cushion layer surrounding the cylindrical bandage body is filled with air, the fracture portion of a wounded person can be tightly and fully bound, buffering can be effectively provided when the wounded portion is tent to move involuntarily in the outside, and the situation that the wounded portion of the wounded person greatly shakes or vibrates and the fracture portion is hurt again is prevented.

The invention discloses a surgical incision recovery nursing and sterilizing device. The device comprises a protective patch and a sterilizing barrel, the lower lateral side of the protective patch isprovided with a groove, a medicine bag is arranged in the groove, and positioning shafts are mounted on the upper surface of the medicine bag and inserted into positioning holes in the lower surfaceof the protective patch. The surgical incision recovery nursing device and sterilizing device is simple in structure, and surgical incision isolation is realized through the protective patch with thegroove to avoid secondary injuries caused by external force; by positioning through a left strap and a right strap, less proneness to loosening is realized; by the detachable medicine bag arranged onthe lower side of the protective patch, continuous medical incision repair under the isolation condition can be realized to accelerate incision recovery and cure; after two ends of the protective patch are communicated with the sterilizing barrel, sterilizing liquid drainage can be realized to enable sterilizing liquid to horizontally flow through incision tissues, force uniformity in cleaning isrealized to avoid incision irritation, and accordingly pains of patients can be alleviated, and convenience in use is achieved.

The invention relates to the field of preparation of graphene materials and provides a method for preparing graphene by continuously bombarding through electron beams. The method comprises the following steps: firstly, prefabricating graphite into a large-area graphite plate; continuously bombarding the graphite plate by utilizing accelerated electron beams in a scanning manner; meanwhile, stably blowing the graphite plate by micro-airflow; bombarding the graphite plate through the electron beams to enable the graphite to obtain energy to enter a high energy state, so as to break an inter-laminar hydrogen bond; blowing by the micro-airflow and eroding the graphite to form the graphene. According to the method provided by the invention, the problem in the prior art that a mechanical force cannot be controlled so that crystal lattices of the graphene are broken is solved; the prepared graphene has high quality; the graphene is realized in a large-scale, low-cost and clean manner; furthermore, the industrialized development of the graphene is promoted.

The invention discloses a safe walking aid device for cardiothoracic surgery patient postoperative activities. The device structurally comprises a device body, shoulder straps, a neck protection mechanism, an upper chest protection bag, a waistband, a toppling trigger mechanism, a standing assisting mechanism and an abdomen soft bag. The method has the beneficial effects that an air bag film layerof the upper chest protection bag can expand to a certain volume, so that an enough cavity structure is formed in the film layer to play a role in separating the chest of the patient from an object to be impacted or the ground; meanwhile, the chest position of the patient is in a hollow state through cooperation with the abdomen soft bag in the structure; at the moment of contact with an obstacle, the air bag film layer of the upper body abuts against the abdomen soft bag, vibration feedback force is reduced, the chest of the patient is prevented from making contact with the device and beinginjured again, and the hidden danger that the force directly acts on the chest of the patient standing unstably or being impacted is effectively avoided.

A pair of haemostatic forceps for the department of surgery comprises a rotating structure, a holding structure, a supporting structure and a clamping structure. The rotating structure comprises a first rotating rod and a second rotating rod. The first rotating rod comprises a first upper end portion and a first lower end portion, and the second rotating rod comprises a second upper end portion and a second lower end portion. The holding structure comprises a first holding structure and a second holding structure. The first holding structure comprises a first vertical straight rod and a first fixing frame. The supporting structure comprises a first supporting rod, a second supporting rod, a first spring, a first fixing rod and a second fixing rod. The clamping structure comprises a first clamping rod, a first fixing block, a second spring, a second clamping rod, a second fixing block and a third spring. The first supporting rod comprises a first horizontal portion and a first inclination portion, and the second supporting rod comprises a second horizontal portion and a second inclination portion. The haemostatic forceps for the department of surgery can effectively clamp a wound, thereby achieving a good haemostatic effect; in addition, the clamping rods are made of soft materials, so the skin of a patient can be effectively protected.

The invention relates to a composite dressing applied to a wound and a preparation method thereof. The dressing comprises hair keratin and a traditional Chinese medicine component, wherein hair comprises any one selected from a group consisting of human hair and animal wool, and the traditional Chinese medicine component comprises pseudo-ginseng, Rhizoma Paridis, Psammosilene tunicoides, borneol and musk. The preparation method comprises the following steps: preparation of the hair keratin; preparation of the traditional Chinese medicine component; and preparation of the dressing. According to the invention, traditional Chinese medicine is combined with a biomaterial, and hair keratin gel and the like are used as a carrier for wound healing via the traditional Chinese medicine component, so a wound covering material with the properties of a biological dressing can be formed; the prepared composite dressing is a wound covering material with excellent effect; and along with slow healing of a wound and skin growth, the composite dressing provides a wound healing environment for promotion of skin regeneration.

A lower limb rehabilitation exercise device capable of preventing blood flow hysteresis comprises an L-shaped box. A horizontal cylinder is fixedly installed in the center of the left end face in theL-shaped box, a plurality of first circular rings are installed on the side face of the cylinder through bearings, two first through holes distributed up and down are formed in the end faces of each first circular ring, balancing weights are fixedly installed at the bottoms of the first circular rings, and a first rotating shaft in the horizontal direction is arranged in the L-shaped box. According to the invention, ascending and descending of the balancing weights are utilized to exercise the legs of a patient. In the ascending and descending processes of the balancing weights, a fourth connecting rod is controlled within a certain rotating speed by utilizing the force of the balancing weights, too high or low rotating speed is avoided, the leg muscle self-control ability of a patient canbe effectively trained, the strength of the legs of the patient can be recovered, and the coordination of the legs can be effectively trained. A second connecting rod penetrates through different numbers of first circular rings to change the training difficulty, and the leg strength training can be improved while low-speed rotation is guaranteed.

The invention discloses an upper limb functional position training instrument for a patient with breast tumor undergoing radiotherapy. The instrument comprises a fixing base A, an adjusting plate A, a fixing plate, a stepping motor A, a rotating arm, a positioning sleeve, a gear sleeve, an adjusting rod, a gear clamping plate, a baffle, a spring A, a supporting base, an avoiding groove, a stepping motor B, an electric push rod, a fixing shaft, a regulating and controlling limiting plate, a spring B, a proximity sensor and a containing supporting cover. Firstly, through the design of small-amplitude reciprocating swing, the upper limbs of the patient can be conveniently exercised in a small range, the problem of excessive training of the patient during initial exercise can be avoided to the maximum extent while the exercise is improved, and secondary damage is effectively prevented; secondly, with adoption of the regulating and controlling type travel limiting structure, medical staff can conveniently adjust the amplitude according to the pathogenetic condition and the rehabilitation degree of the patient, and the instrument can be well matched with the body state of the patient; and finally, multi-directional adjustment and change can be achieved in cooperation with a multi-angle adjusting mechanism, the rehabilitation requirements of different functional positions are met, and relatively high application and popularization value is achieved.

The invention discloses a pelvis fixing and transferring device. The pelvis fixing and transferring device comprises a left front fixing belt, a right front fixing belt and a rear fixing belt, wherein the left front fixing belt, the right front fixing belt and the rear fixing belt are connected through detachable connecting devices respectively, and the length of each connecting device is adjustable, so that the distance between the left front fixing belt and the rear fixing belt and the distance between the right front fixing belt and the rear fixing belt are adjustable; and the left front fixing belt and the right front fixing belt are connected through an openable and closable connecting component. The pelvis fixing and transferring device is divided into a main body formed by connecting three modules, function division is realized, and the device can be more easily attached to the curve radian of a human body, so that the fixation is more stable. Due to the arrangement of a detachable tightening device, a damaged module can be conveniently replaced with a new module, the situation that the whole device is abandoned due to the damage of a certain module is avoided, and therefore the service life of the product is prolonged; and meanwhile, the increase of waste garbage is reduced, and the environmental protection property is good.

The invention discloses a fireproof device of electrical equipment. The fireproof device comprises a box body, wherein a heat insulting plate is fixed to the outer wall of the box body, a mounting groove is formed in the box wall of the box body, a heat insulating net is fixed to the inner wall of the mounting groove, fine sand fills the inner wall of the mounting groove, asbestos are fixed to theinner wall of the box body, an exhaust hole is formed in the center position of the top of the box body, an exhaust pipe is fixed to the inner wall of the exhaust hole, and a suction pump is connected to the top end of the exhaust pipe. By using the heat insulating plate, the heat insulating net, the fine sand and the asbestos, the fireproof device not only plays a role of blocking a fire source,but also prevents a burnthrough phenomenon of the box wall of the box body. By using a water pump, a water tank and a high pressure spray head to extinguish a fire source, the equipment is preventedfrom being damaged again. By using an electrical motor, a bidirectional threaded rod and a sealing door, the box body can be sealed when a fire happens, and meanwhile, vacuumizing is carried out directly by means of the exhaust pipe and the suction pump, combustible gas is blocked and extracted to achieve a fire-extinguishing effect.

A multifunctional variant-frequency vibration neck-pillow-type cervical vertebra tractor comprises a traction seat (1), a vibration neck pillow (2) and a cervical vertebra traction mechanism (3); the vibration neck pillow comprises a vibrator (4), an infrared ray device (5), a motor (6), a frequency regulator (7) and a timer (8); the vibrator, the infrared ray device and the motor are integrated in to one body which is fixed on the neck pillow; the frequency regulator and the timer are installed at the back side of the neck pillow. The neck pillow is an arc soft member with moderate hardness; the neck pillow is small pillow shaped; the outboard arc length is close to the physiological curvature of a cervical vertebra, and the length is the same as the width of a shoulder. the vibration neck pillow can be adjusted back and forth and up and down, and provide functions such as different frequency vibration, infrared therapy and traction therapy so as to rectify cervical vertebra small joint disorder, relax neck muscles and promote local blood circulation so that cerebral blood supply is improved. The multifunctional variant-frequency vibration neck-pillow-type cervical vertebra tractor is meant for cervical vertebra traction therapy of different patients; the stability is good during traction, the body posture is stable and relaxing; users feel comfortable in the neck and stress is relived; the tractor is safe and reliable and has good treatment compliance.

The invention discloses equipment with scratch detection and protective film pasting functions. The equipment with the scratch detection and protective film pasting functions comprises a transmissionline, an image detection unit, a carrying mechanism and a film coating mechanism, the equipment further comprises a control unit connected with the units, the image detection unit collects image information of the surface of a product and checks whether scratches exist on the surface of a plain glass or not, the control unit judges whether the product is a qualified product or not according to thesizes of the scratches; the carrying mechanism is connected with the control unit and is used for placing the product in a distinguishing mode according to the received control information; and the film coating mechanism is used for attaching a layer of protective film to the surface of the qualified product. According to the equipment with the scratch detection and protective film pasting functions, detecting scratches on the surface of the product can be carried out through detection equipment, whether the product is the qualified product or not is judged according to the size of the scratches, distinguishing the product is carried out, the qualified product with the scratches can be directly covered with the protective film, secondary damage can be effectively avoided, unnecessary waste can be reduced, the cost is reduced, and the enterprise benefits are improved.

The invention discloses a push type medical feeder. The push type medical feeder comprises a main hollow case, the bottom of the main hollow case is fixedly provided with a plurality of main connecting plates through bolts, the bottom of every main connecting plate is provided with a support leg, the internal center of the main hollow case is provided with a food storage space, and one side of themain hollow case is provided with a food through pipe in an integrated structure. The p push type medical feeder is in a push type structure, a motor drives a threaded structure, and through the intervals of threads of the threaded structure, achieves the feature of rotation type pushing, thereby effectively avoiding food blocking; meanwhile, the push type medical feeder can control the rotatingspeed of the motor to control the food discharging speed, thereby being high in controllability. Besides, the push type medical feeder comprises an electric food heating mechanism, which can ensure the temperature of discharged food and avoid second injury of a patient due to overlow food temperature, thereby being high in practicality.

The invention belongs to the technical field of medical rehabilitation instruments, and discloses a rehabilitation exercise device for the neurosurgery department. The device comprises an outer box body, the outer box body is connected with a first spring, a rotating shaft, a restraining assembly, a restraining vertical plate, a base frame, a water storage tank and a water return tank, the first spring is connected with a connecting plate, the connecting plate is connected with a pressing shaft, a first rack and a second rack, the pressing shaft is connected with a pressing plate, the rotating shaft is connected with a driving gear, the driving gear is meshed with the first rack, the restraining assembly comprises a driven gear, the driven gear is meshed with the driving gear, the driven gear is connected with a restraining clamping piece and a second spring, the base frame is connected with a driving gear and a supporting connecting rod, the driving gear is meshed with the second rack, the driving gear is connected with a water drawing assembly through a connecting rod, and the water drawing assembly draws water in the water storage tank to the water return tank. The device solves the problems that: rehabilitation exercise devices in the prior art cannot complete strength balance exercise and easily bring secondary injury to patients, and is suitable for rehabilitation exercise of neurosurgery patients.

The invention provides a patient auxiliary device for radiology department image CT, relates to the technical field of auxiliary devices, and aims to solve the problems that before a patient prepares to be examined, since the patient needs to lie on a special bed of a CT machine to be examined, the patient is injured and cannot go to the bed, the patient needs to be moved to the special bed through an auxiliary device, if the auxiliary device cannot move a lying patient, the patient cannot be examined easily, and a doctor cannot make correct diagnosis on the patient. The patient auxiliary device comprises a bottom plate; and the front end and the rear end of the bottom plate are provided with cylindrical guide columns which penetrate vertically and are symmetrical in the left-right direction. When a patient lies on a movable plate and prepares to do CT, two handles are grasped to adjust the positions of baffles left and right, the rear side walls of the two baffles keep away from the injured part of the patient and do not make contact with the injured part, and the injured part of the patient is prevented from being injured again.

The invention discloses a Chinese-western compound preparation Yinbanquinoxime spray for preventing and treating pet pyoderma, which comprises the following raw materials in parts by mass: cefquinoxime 10-50 part of honeysuckle and 20 parts of radix isatidis mix extract. 50 part of bletilla striata powder, 20-50 part, borneol powder 1-20 portion of aluminum stearate and 1 portion of auxiliary aluminum stearate. 25 part. A Chinese-western compound preparation prepare from cefquinoxime, flos Lonicerae and radix Isatidis mixed extract, rhizoma Bletillae pow, borneolum Syntheticum powder and aluminum stearate is prepared from cefquinoxime, flos Lonicerae and radix Isatidis mixed extract, rhizoma Bletillae pow, borneolum Syntheticum powder and aluminum stearate. Yinbanquinoxime spray, combinedwith traditional Chinese medicine honeysuckle heat-clearing and detoxification strong, Isatis root heat-clearing and detoxification strong and Bletilla Bletilla convergence hemostasis, detumescence and granulation, borneol external use heat-clearing and pain, antisepsis and antipruritic effect; The cure rate of traditional Chinese medicine combined with antibiotics on pet pyoderma was greatly improved, the course of treatment was shortened, and the side effects of long-term large-dose antibiotics on pet were reduced. The invention has the advantages of simple process, strong operability and good quality stability.

The invention provides a traditional Chinese medicine burn cream with a fast analgesic effect and a medicine debridement function. The traditional Chinese medicine burn cream comprises the raw materials in parts by weight: 30-70 parts of coptis root, 18-58 parts of baikal skullcap root, 20-50 parts of bark of Chinese corktree, 20-50 parts of milkvetch root, 30-60 parts of buffalo horn,18-36 parts of rhubarb, 18-36 parts of bulb of thunberg fritillary, 40-60 parts of common bletilla pseudobulb, 15-25 parts of liquorice root, 0.8-2.0 parts of borneol,10-20 parts of musk,10-20 parts of trogopterus dung, 1200-1700 parts of sesame oil and 90-160 parts of honey-wax. The preparation method comprises the following steps: A, preparing the raw materials, and slicing, and crushing the borneol and the trogopterus dung to particles of 120 meshes; B, adding 45g of the buffalo horn pieces to 500g of the sesame oil to soak for 72 hours, adding 1000g of the sesame oil, then adding 40g of the coptis root, 30g of the baikal skullcap root, 35g of the bark of Chinese corktree, 30g of the milkvetch root, 25g of the rhubarb, 25g of the bulb of thunberg fritillary, 45g of the common bletilla pseudobulb and 25g of the liquorice root, and soaking for 3-5 days; C, slowly decocting the raw materials on mild fire to form a little brown state, cooling and filtering; and D, heating, adding 15g of the musk, 15g of the trogopterus dung and 1.4g of the borneol, cooling, adding 120g of the honey-wax, cooling to form cream, and then bottling. The traditional Chinese medicine burn cream has the advantages that the analgesic effect is fast, the medicine can debride, the treatment course is short, and no scar and sequela exist; and the traditional Chinese medicine burn cream treats burns and injury patients of more than 2000 within 18 years, and the effective rate is 100%.

The invention discloses a piston, comprising a main body (1). The main body (1) is provided with a piston ring slot (2) and a skirt section (3), and oil return holes (5) are arranged in the main body (1). The piston is characterized in that the excircle surface of the skirt section (3) is provided with a labyrinth-shaped groove (4) so that the excircle surface of the skirt section (3) forms a plurality of curved surfaces. After the labyrinth-shaped slot is arranged on the excircle surface of the skirt section, when the piston and a cylinder sleeve rub mutually in the movement, a thicker layer of oil film is formed between base kinematic pairs so as to reduce the friction contact surface. The large-area mutual contact of slight convex bodies on metal surfaces can be avoided, and the functions of abrasion resistance and cylinder scraping prevention can be achieved in the maximum degree.