43 results about "Thermal coagulation" patented technology

The invention relates to polyurethane resin superfiber leather and a manufacturing method thereof, belonging to the technical field of manufacturing methods. The manufacturing method is characterized by comprising the steps of sea-island fiber, non-woven fabrics, polyvinyl alcohol impregnation or hot-pressing and ironing out, original cloth processing, impregnation and coating of polyurethane, thermal coagulation, reduction amount of base, basic cloth, dyeing or embossment of grinding surfaces and inspection and warehousing. The polyurethane resin superfiber leather can be obtained by using the method. Compared with solvent type polyurethane, the waterborne polyurethane resin superfiber leather has equivalent physical properties, accords with application requirement, uses the environment-friendly polyurethane resin and has no organic solvent harmful to the environment; a DMF reclamation step is required by solvent type products in the production process so as to simplify the production process; and the polyurethane resin superfiber leather is energy-saving and environment-friendly, meets the limiting requirement on an environment-friendly polyurethane synthetic leather at abroad, reduces the demand quantity of producers, the harm to the producers as well as the production cost and has strong market competitiveness.

Disclosed is an apparatus and method for preventing secondary ischemic injury in the brain. The apparatus includes an interstitial brain probe and an introducer sheath, which are placed into an ischemic region of the brain by stereotaxic surgical technique. The interstitial brain probe and introducer sheath provide for thermal coagulation to provide hemostasis, aspiration of blood clots, infusion of therapeutic agents, and localized hypothermia within an ischemic region of the brain. The interstitial brain probe cools an ischemic region of the brain from within the ischemic region, and cooling is substantially limited to the ischemic region. Cooling is provided for a period of time greater than one hour.

The method is disclosed as applied to roughening the light-emitting surface of an LED wafer for reduction of the internal total reflection of the light generated. A masking film of silver is first deposited on the surface of a wafer to be diced into LED chips. Then the masking film is heated to cause its coagulation into discrete particles. Then, using the silver particles as a mask, the wafer surface is dry etched to create pits therein. The deposition of silver on the wafer surface and its thermal coagulation into particles may be either successive or concurrent.

The invention provides an ultrasonic mechanical damage and thermal coagulation device and method based on double-frequency con-focal ultrasonic time-sharing excitation. High-low-frequency ultrasonic waves or low-high-frequency ultrasonic waves are sequentially transmitted by controlling a double-array-element annular con-focal power ultrasonic transducer in a time-sharing working mode or the ultrasonic transducer and phase-change micro-nano liquid drops are combined in use to achieve the purpose of improving ultrasonic mediated visco-elastic medium mechanical damage and thermal coagulation efficiency.

Focused infrared light may be used in a non-invasive varicose vein treatment procedure with infrared light from a plurality of laser diodes that are combined in a multiplexer and coupled to a multi-mode fiber coupled to another fiber or fiber bundle that delivers the light to a lens/mirror assembly for application in the non-invasive procedures. The wavelength of light may be selected near 980 nm, 1210 nm, or 1720 nm to achieve a desired penetration depth and/or for absorption in a particular tissue type or water. Wavelengths near approximately 1100 nm, 1310 nm or 1650 nm may be advantageous for non-invasive procedures through the skin. The light may be focused with lower intensity on the skin or outer tissue to reduce collateral damage and higher intensity at a desired depth to induce thermal coagulation or occlusion at depths of about 1-2 mm or more. Surface cooling techniques, such as cryogenic sprays or contact cooling may be provided.

The invention discloses a multifunctional thermocoagulation therapeutic instrument of gynecologic disease, which consists of physical generator 10 and metal guide bar 1, wherein the surface of metal guide bar 1 adsorbs the insulating layer 9 with the insulating crank 2 connecting the end of metal guide bar 1; the guide line 7 pierces the hollow insulating crank 2, whose one end connects the metal guide bar 1 and the other end connects the physical generator 10; the top of metal guide bar 1 connects the olecranon-shaped end 3; the insulating layer 8 is set on the connection part of end 3 and metal guide bar 1.

The invention discloses an imitation inner leather non-woven fabric and a preparation method thereof. The preparation method comprises the following steps of: (1) web processing: forming a preliminary web which comprises a fiber layer after opening, carding and spreading the raw materials, namely polyester fibers; (2) needling reinforcing: carrying out double-sided needling reinforcing on the fiber layer by utilizing a double-sided needling loom so that two strip-type needled fiber bundles with opposite directions are formed in the fiber layer; (3) impregnation: causing the reinforced web to enter an impregnation machine to be bonded with prepared thermal-sensing high wear-resistant emulsion resins through thermal coagulation; (4) drying: drying and setting the impregnated web to form a fabric; and (5) leather grinding: grinding the surfaces of the fabric obtained in the step (4) to be flat by utilizing a leather grinding machine to achieve real leather handfeel. The non-woven fabric and the preparation method have the following beneficial effects: environment maintenance can be improved by the preparation method; and the prepared non-woven fabric is very suitable for preparing sports goods and automotive product base materials which are required to have high wear resistance, uniform thickness and flat surfaces, not to fade and to be soft.

The invention discloses a preparation method of sugarless steamed egg serial products with high water retention. According to the products, eggs and milk are used as main raw materials, other healthy food materials are assisted, and the main raw materials and the other healthy food materials are made into thermal coagulation seasoning egg products in a conventional steaming manner. According to the sugarless steamed eggs disclosed by the invention, water retention rate and sensory indexes are used as evaluation criterions; in the formula, sorbitol, modified soybean lecithin and the like are added, so that the water retention of the products is promoted, a stable product system is formed, a drainage problem during a preserving process is solved or retarded, and the shelf life is prolonged; besides, the products also have function characteristics, the sorbitol is not transformed into glucose in blood, a metabolic process is free from control of insulin, and lecithin has the efficacies of reducing cholesterol, preventing fatty liver, invigorating the brain and the like. According to the sugarless steamed eggs disclosed by the invention, the water retention of the products is jointly optimized from the formula and the technology, the quality guarantee period of the produced steamed eggs is as long as 6 months, the stability is good, the drainage problem does not exist on the steamed eggs during the shelf life, and the steamed eggs also have the function characteristics.

Provided is an aqueous urethane resin composition with which a fiber base can be impregnated, which is capable of thermal coagulation, which does not detach from the fiber base due to water or heat in the step of coloring the impregnated base, and which is capable of forming a coating film having resistance to discoloration which may occur with time and an excellent feeling, that is, flexibility and resilience. The aqueous urethane resin composition includes a urethane resin, a nonionic emulsifier, and an aqueous medium, the urethane resin being produced by reacting a polyol including a polyol including a carboxyl group with an aromatic polyisocyanate and a chain extender, the content of urea linkage in the urethane resin being 0.3 mol/kg or less. Also provided is a leather-like sheet produced by impregnating a fiber base with the aqueous urethane resin composition and subsequently performing thermal coagulation of the urethane resin composition.

This invention relates to the use of hyperconductive fluids to coagulate tissue within the intervertebral disc.

The invention provides an ultrasonic treatment handle which comprises a handle part and a treatment head, wherein the treatment head is connected with the handle part; a transducer for focusing ultrasonic waves is arranged in the treatment head, a motor for driving movement of the transducer is arranged in the handle part, and the transducer is matched and connected with the motor. The ultrasonic treatment handle is characterized in that the motor drives at least one or more combined movements of transverse linear scanning, longitudinal linear scanning and transverse flat scanning of the transducer, and the frequency range of the ultrasonic waves focused by the transducer is 2-20MHz. The ultrasonic treatment handle realizes noninvasive treatment in a real sense, has no damage on the epidermis layer, and also can scan and output subcutaneous thermal coagulation points at the depth of 1.5-4.5mm at the same time. The treatment efficacy is obvious, while no epidermis damage exists. Meanwhile, the utility model relates to various scanning output ways, so that the ultrasonic treatment handle can be suitable for rapid treatment of various parts, optimizes the structure of the transducer, and has the better thermal coagulation points to be convenient for rapid recovery.

The invention discloses wheat-fragrance egg puddings. The puddings are made from 10-30 parts of liquid whole eggs, 4-10 parts of whole milk powder, 4-10 parts of nonfat dry milk, 5-10 parts of sweetened condensed milk, 2-5 parts of coffee cream, 2-5 parts of white granulated sugar, 0.01-0.10 part of scorched barley essence, 0.15-0.20 part of beta-carotene and 30-65 parts of water. The wheat-fragrance egg puddings are rich in fragrance, high in rate of finished products, rich in flavor and fine and smooth in mouth feel, and the defect of being poor in thermal coagulation shaping is overcome.

The method for treating the lower extremity varicose vein combined ultrasonic wave and microwave of the present invention includes steps of firstly finding the diseased vein by the ultrasonic imaging equipment; and then directly effecting the microwave treatment catheter/needle on the diseased vein; by the concentric thermal coagulation release effect of the microwave to the tissue, instantly generating high temperature with the certain penetration range in a small range for tissue coagulation; and then gradually making the vascular fibrosis; finally making the completely atresia, thus achieving the therapeutic aim. The present invention uses the ultrasonic imaging microwave treatment technique to treat the lower extremity varicose vein disease, which accurately, firmly and thoroughly closes the varicose blood vessel, has the exact effect, small trauma and less pain to patients, less bleeding in surgery, quick recovery, simple operative procedure and no significant complication, is difficult to form the deep venous thrombosis.

The invention discloses a pair of thermal coagulation haemostatic surgical scissors. The pair of thermal coagulation haemostatic surgical scissors comprises a first scissor component and a second scissor component; the first scissor component and the second scissor component are both composed of a scissor part and a scissor handle part; each scissor part is internally provided with a heating cavity used for containing a heating unit, the heating units are assembled in the heating cavities of the first and second scissor components and used for heating the scissor parts, and the first scissor component and the second scissor component are connected through a shaft; the surface of each scissor part is provided with an anti-adhesion structure composed of periodically distributed convex parts or/and convex parts, the smooth surfaces of the scissor parts become rough surfaces with the micron-dimension roughness, the surface performance of the scissor parts is changed, cut human body tissue and the surfaces of the scissor parts form a composite contact surface, the contact area is greatly reduced, and the scissor parts of the surgical scissors do not adhere to the human body tissue making contact with the scissor parts during operations. The anti-adhesion structures take the place of polytetrafluoroethylene chemical anti-sticking coatings, adhesion is prevented, no toxic substances are released in the use process, healing of the cut tissue is not affected, and the safety of the operations is improved.

A panel cleaning machine is characterized by comprising a base (1), a support (3), a steam head holder (4), an upper roller (5), a lower roller (6), a belt wheel (7), a rubber synchronous belt (10) and a speed reducer (12), wherein the speed reducer (12) is arranged on the base (1), an output shaft of the speed reducer (12) is connected to the belt wheel (7) through the rubber synchronous belt (10), the belt wheel (7) is connected to the lower roller (6), the upper roller (5) and the lower roller (6) are respectively arranged on the support (3), and the steam head holder (4) is arranged on one side of the support (3). The panel cleaning machine is compact in structure, small in occupied area, and efficient and energy-saving in cleaning, overcomes various defects of traditional cleaning equipment, and can thoroughly clean oil stain on a panel and synchronically achieve surface treatment processes of thermal passivation and thermal coagulation.

The invention discloses a general minimally invasive surgery scalpel, which comprises a scalpel handle. The upper surface of the scalpel handle is provided with a surgical probe placement groove. Theinside of the surgical probe placement groove is provided with a surgical probe. One end of the surgical probe is fixedly connected with a surgical probe base. One end of the surgical probe base is hinged with one end of the scalpel handle. The other end of the surgical probe is fixedly connected with a minimally invasive surgery scalpel. The other end of the scalpel handle is fixedly connected with a thermal coagulation scalpel, wherein the thermal coagulation scalpel is internally provided with a heating body, and an insulating base layer is arranged between the inner wall of the thermal coagulation scalpel and the outer surface of the heating body. The front surface of the scalpel handle is provided with a switching key and an on-off key. The general minimally invasive surgery scalpel helps doctors to quickly and accurately cut a surgical incision and an endoscopic incision to reduce the pain of patients, and has the advantages of little trauma, less susceptibility to infection, andrapid recovery. The thermal coagulation scalpel has heat and no charge to ensure the safety of the usage and improve the accuracy of the surgery.

The invention discloses an egg pudding. The egg pudding is made by 10-20 parts of egg white, 2-10 parts of yolk liquid, 4-10 parts of whole milk powder, 4-10 parts of skim milk powder, 5-10 parts of sweetened condensed milk, 2-5 parts of single cream, 2-5 parts of white granulated sugar and 40-65 parts of water. The egg pudding has the advantages that the egg pudding is high in yield, the defect that an original pudding is poor in thermal coagulation forming performance is overcome, and the egg pudding is good in water retention, rich in flavor and fine and smooth in taste by the excellent proportion of the egg white and the yolk liquid.

The invention relates to a multi-sensor deep hot probe. By adding multiple sensors including pressure sensors, temperature sensors, cerebral oxygen saturation sensors and the like on probe contacts and a medical catheter, multi-sensor monitoring can be realized during implantation and after implantation. Through the probe contacts arranged linearly in the direction of the medical catheter and arranged in a circumferential direction, after a lesion position is discovered, directional controllable-range thermal coagulation can be performed on the lesion position; the lead impedance of the probeis low; and the thermal coagulation effect is good.

The invention discloses a construction method of an animal model for medical research and corresponding equipment. The method comprises the following steps: carrying out positioning puncture on an anesthetized animal by using a radio frequency therapeutic apparatus puncture needle; detecting a nerve root at a located position by using a radio frequency needle, and adjusting the radio frequency needle to a proper position; carrying out energy transmission by using a radio frequency thermal coagulation method at a first temperature; and after cooling, carrying out energy transmission by using aradio frequency thermal coagulation method at a second temperature. The method disclosed by the invention is high in model forming rate, good in durability and suitable for clinical research of various neurogenic fecal incontinence.