14 results about "Eschar" patented technology

The present invention discloses a polypeptide combination wound healing preparation with high permeability, specifically relating to a polypeptide combination of tripeptide-1, hexapeptide-9, and palmitoyl-modified peptide, and a new use for treating skin diseases such as wounds, ulcers, burns, scars, and keloids. While the polypeptide combination plays a significant synergistic effect in wound healing, it can effectively prevent and inhibit scar hyperplasia. In addition, the polypeptide combination wound healing preparation of the present invention utilizes the wound healing promoting activity of the composite polypeptide, and is compounded with specific penetration enhancers and antioxidants to be prepared into a gel with functions of moisturizing, promoting healing, reducing infection, and relieving pain, greatly increasing skin penetration, significantly enhancing the skin retention dose, and having significant antibacterial, anti-inflammatory, eschar-removing and muscle-generating, astringent healing, and scar hyperplasia inhibiting effects, being particularly suitable for wound healing and reducing scar residue.

A wound assessment method is provided. The wound assessment method includes receiving an image that includes an L-shaped color calibration card and a wound; performing an image preprocessing on the image, based on the L-shaped color calibration card, to obtain an adjusted image, where the image preprocessing includes a distortion correction and a color calibration; obtaining a wound image excluding the L-shaped color calibration card, based on the adjusted image, where the wound image includes a plurality of regions; and classifying each of the plurality of regions of the wound image into one of wound tissue types, to obtain a wound tissue type distribution of the wound, where the wound tissue types include a granulation tissue, a slough tissue, and an eschar tissue.

The invention belongs to the technical field of medical instruments, and discloses a burn eschar abrading device. Comprising a shell, a fixing shell and a motor fixed in the shell, the fixing shell wraps the periphery of the shell, the end, away from the motor, of the fixing shell is rotationally connected with a scab abrading head, and the scab abrading head is rotationally connected with a scab abrading device. The eschar abrading device comprises a first gear, a second gear, a first tool bit and a second tool bit with a contraction function. The motor output shaft is fixedly connected with the first gear, and the end, away from the motor, of the first gear is fixedly connected with the first tool bit. The first gear is lengthened in the longitudinal direction to enable the second gear to be meshed all the time, and the end, away from the motor, of the second gear is fixedly connected with the second tool bit. The problem that in an existing device, abutting grinding and flexible grinding cannot be combined to improve the grinding efficiency is solved.

The present invention discloses a burn wound escharotome for surgical debridement, which relates to the technical field of escharotomes. It includes a housing, an escharotome surface fixed at the bottom of the housing and in an arc shape, a motor arranged at the top of the housing, and a partition fixedly connected inside the housing. It also includes an escharotome head exposed outside the escharotome surface and capable of adaptively adjusting the contraction angle of the cutter head, an oil pressure control component for adaptively contracting the escharotome head based on the arc of the wound eschar, an escharotome driving structure for starting and stopping the rotation of the escharotome head under the control of the oil pressure control component, and a dust suction component fixed at the center of the bottom of the partition. By arranging the escharotome heads in a circular array and rotating them pairwise in opposite directions, the shaking of the skin and the wound eschar along the friction direction of the escharotome heads is offset and reduced, effectively avoiding the continuous tearing between the formation of the wound eschar and the skin tissue, reducing the discomfort of the patient and the risk of secondary injury to the wound caused by the tearing of the connection between the wound eschar and the tissue due to high-speed shaking.

The utility model discloses a carbon block cleaning device which comprises a device shell, an electric conveying table and an anode carbon block main body, the electric conveying table is installed in the device shell, the anode carbon block main body is installed on the electric conveying table, a eschar loosening treatment structure is installed in the device shell, and the electric conveying table is installed on the anode carbon block main body. A eschar scraping structure is mounted in the device shell; the utility model relates to the technical field of metal smelting auxiliary equipment, the device ingeniously integrates a eschar loosening treatment structure and a eschar scraping structure, firstly, the eschar loosening treatment structure accurately acts on the surface of an anode carbon block main body, and stubborn attached eschar and dirt are carefully released and separated in a mild and efficient mode; the process enables the attached eschar structure to become fragile, the eschar structure can be conveniently removed from the anode carbon block main body subsequently, and then through intervention of the well-designed eschar scraping structure, the released eschar is thoroughly scraped with the minimum invasiveness and the maximum removing efficiency.

The application discloses a burn wound eschar grinder, which comprises an eschar grinder body, an eschar grinder head arranged in the eschar grinder body, an outer tube arranged on the eschar grinder body, a pus removing assembly arranged on the eschar grinder body, an eschar grinding mechanism arranged in the eschar grinder body and a sundry collecting assembly arranged on the outer tube. The eschar grinder can collect the eschar generated during the pus removing and eschar grinding. The eschar grinder is different from the prior art, and the pus under the eschar can be removed by the pus removing assembly and the eschar grinder head when a medical staff grinds the eschar of a patient. The eschar grinder head is connected with the eschar grinding mechanism by pulling the eschar grinding mechanism upward, and then the eschar grinder head is driven to rotate, so that the ground eschar is prevented from scattering around and further infecting the wound position.

The invention discloses a bipolar cutting blood coagulation surgical instrument and belongs to the field of medical instruments. The instrument comprises an upper shear blade, an upper electrocoagulation forceps piece, a lower shear blade, a lower electrocoagulation forceps piece and a fixing clamping piece which are integrally formed, only a cutting edge and a blood coagulation occlusal surface are conductive through an insulation structure design, and the rest parts are covered with an insulation coating. When in use, the bipolar loop reduces tissue damage, the operation time is shortened by synchronously cutting blood coagulation, and the risks of blood vessel electric damage, eschar and thrombus formation are avoided. The instrument can be sterilized at high temperature and high pressure, can be reused, and is economical and environment-friendly.

A non-enzymatic debridement agent that is less expensive, less cytotoxic, and more effective than enzymatic and sharp surgical debridement of eschar material. The non-enzymatic debridement agent is based on a formulation of detergent with a high critical micelle concentration and a denaturing agent along with an optional optimized buffer. The non-enzymatic wound debriding agent is able to dissolve eschar material in under one week. The buffer or ointment may contain an optimized pH, salt concentration, reducing agent, and other components that aid in the debridement of eschar material from chronic wounds and burn wounds. The non-enzymatic debridement agent can be formulated as an ointment, liquid rinse under pressure, and / or as a combination product with an advanced wound dressing that can act as a sink to remove the solubilized eschar material from the surface of the wound to assist in the debridment and proper healing of wounds.

The utility model discloses a special scab removal movable frame for burn nursing, and relates to the technical field of burn nursing scab removal, the special scab removal movable frame comprises a bottom plate, the upper surface of the bottom plate is rotatably provided with a rotating shaft, the outer wall of the top end of the rotating shaft is fixedly provided with a bearing assembly, and the bearing assembly comprises a bottom frame fixedly connected to the upper surface of a worm wheel. Firstly, a new sanitary pad film is flatly laid on the supporting plate and pressed downwards, when the supporting plate moves downwards, the rolling wheel is pressed, the pressing rod and the mounting plate are driven to rotate till the sanitary pad film is clamped by the buffering pad to complete fixing and limiting, and the supporting plate moves downwards to extrude the two sets of clamping rods to extend outwards and stretch the first spring; when the lower surface of the supporting plate makes contact with the bottom end of the inner wall of the bottom frame, the first spring rebounds and drives the clamping rod to be inserted into the rectangular clamping hole to fix the supporting plate, the clamping rod is pulled outwards to be separated from the rectangular clamping hole to relieve limiting of the supporting plate during dismantling, the supporting plate moves upwards and does not extrude the pressing rod any more, and the pressing rod rotates to reset through the torsional spring to relieve fixing of the corners of the sanitary pad film. Disassembly and assembly operation is convenient, consumed time is short, and operation difficulty is low.

The utility model relates to medical instrument technical field especially relates to a kind of multifunctional surgical electric knife, it includes processor, shell, electric knife blade, suction assembly and scab-removing component, the scab-removing component includes being set in shell and the scab-removing head with the opening for the electric knife blade to protrude one end, the scab-removing blade for scraping off eschar on electric knife blade is set in opening place, and the sliding mechanism for driving electric knife blade to slide in scab-removing head and then make the eschar on electric knife blade be scraped off by scab-removing blade is connected on electric knife blade, the suction port is arranged between the scab-removing head and shell, the suction assembly includes the suction pipe being set in shell and one end with suction port intercommunication and the suction tube other end intercommunication and for producing suction force suction device, the electric knife blade and suction device are electrically connected with processor.This surgical electric knife is various in function, overall volume is smaller and user operation is more convenient.

The present invention belongs to the field of medical device technology. The present invention provides a method for identifying eschar of a multi-electrode catheter, comprising: measuring the blood impedance value, the impedance value close to the heart, and the impedance value between electrode pairs corresponding to the multi-electrode catheter; periodically calculating a first change value of the impedance value between the electrode pairs relative to the blood impedance value, and a second change value of the impedance value between the electrode pairs relative to the impedance value close to the heart; judging the eschar state of the multi-electrode catheter based on the first change value and the second change value; generating different types of reminder information according to the type of eschar state of the multi-electrode catheter. The present invention judges the state of the ablation catheter based on the impedance changes between multiple groups of electrode pairs. When eschar is identified on the catheter, it is used to guide the correct use of the ablation catheter during surgery, thereby improving surgical efficiency and safety.

The application discloses application of L- kynurenine in preparation of a medicine for preventing and / or treating ultraviolet light induced skin photo-damage. The application proves that L- kynurenine has a significant anti-photo-damage effect by a UVA irradiation HaCaT cell model, can enhance mitochondrial function and promote mitochondrial biogenesis, thereby improving the antioxidant capacity of cells and reducing inflammatory reactions. The application also verifies that a hydrogel containing L- kynurenine can effectively repair mouse back skin damage caused by ultraviolet light through a UVA combined with UVB irradiation back depilation mouse model, improve the water content and antioxidant capacity of the skin, and reduce inflammatory reactions, edema, roughness, erythema or eschar and other phenomena. Therefore, the application provides a reference direction for development, utilization and popularization of L- kynurenine for preparing a medicine or a medical cosmetic product for repairing skin photo-damage.

A non-enzymatic debridement agent that is less expensive, less cytotoxic, and more effective than enzymatic and sharp surgical debridement of eschar material. The non-enzymatic debridement agent is based on a formulation of detergent with a high critical micelle concentration and a denaturing agent along with an optional optimized buffer. The non-enzymatic wound debriding agent is able to dissolve eschar material in under one week. The buffer or ointment may contain an optimized pH, salt concentration, reducing agent, and other components that aid in the debridement of eschar material from chronic wounds and burn wounds. The non-enzymatic debridement agent can be formulated as an ointment, liquid rinse under pressure, and / or as a combination product with an advanced wound dressing that can act as a sink to remove the solubilized eschar material from the surface of the wound to assist in the debridment and proper healing of wounds.

The utility model relates to the field of medical instruments, in particular to a scab abrading device. The eschar abrading device comprises a main body, an eschar abrading head, a motor and an adsorption assembly. The eschar abrading head is rotatably connected with the main body, and a plurality of air guide openings are formed in the periphery of the rotating joint of the eschar abrading head and the main body around the rotating axis direction of the eschar abrading head; the motor is connected with the main body and is in transmission connection with the eschar abrading head; the adsorption assembly is connected with the body. The adsorption assembly is used for adsorbing abrasive dust generated when the eschar abrading head rotates to abrade eschar. According to the eschar abrading device, the eschar abrading head can be driven to rotate through the motor, then eschar abrading treatment can be conducted on the scabs in an abrading mode, dead skin abrading generated in the eschar abrading process and abrasive dust generated by scabbing can be adsorbed through the adsorption assembly so as to be collected and treated, therefore, the abrasive dust can be prevented from flying away, and recovery of the affected parts of a patient is facilitated.