47 results about "Masticatory muscle" patented technology

The invention discloses medical equipment, particularly discloses a mouth opening exerciser, and provides a mouth opening exerciser which is convenient for a patient to take exercise by self and is also convenient for the patient to take exercise with the help of other people. The mouth opening exerciser comprises two arc-shaped tooth cushions and two holding rods, wherein the two holding rods are hinged through a rotating shaft to form a lever structure; and the lever structure is partitioned into two ends by taking a rotating shaft as a partition point, wherein one end of the lever structure is a holding section, and the other end of the lever structure is provided with the arc-shaped tooth cushions which are respectively arranged on the two holding rods. Due to the adoption of the lever structure, operation can be realized by virtue of the holding section; the two arc-shaped tooth cushions are separated or combined, so that the temporomandibular joint and masticatory muscles of the patient can be exercised; the holding section can be operated by the patient or other people, so that the patient can be effectively and actively or passively exercised.

The invention discloses a system and method for surface electromyogram signal feature recognition of bruxism. Electromyographic signals on the surface of masticatory muscle skin is obtained quickly and stably through a surface myoelectricity electrode, the obtained signals are subjected to preliminary amplification and filtering through a designed signal processing module, the signals are sent to an MCU, an ADC which the MCU is provided with is used to perform analog-digital conversion and software filtering processing on obtained analog signals, the processed signals are subjected to digital filtering processing and algorithm analysis to identify whether masticatory muscles perform activity of grinding one's teeth and displaying surface myoelectricity waveform of the masticatory muscles, and thus values of surface electromyogram signals and waveform information are obtained. The system has functions of real-time display of masticatory muscle surface electromyogram signals and real-time waveform monitoring, surface electromyogram signal data storage and surface electromyogram signal identification, bruxism patients can be monitored precisely and stably, and feature recognition on bruxism electromyographic signals is performed.

The invention discloses a splitting active oral cavity mouth gag, which comprises an upper jaw plate, a lower jaw plate, upper and lower L-shaped force transfer rods, and an elastic restoring member, wherein the upper and lower L-shaped force transfer rods are fixedly connected in the middle of the upper jaw plate and the lower jaw plate, and the elastic restoring member is arranged between the upper and ; when in use, the upper jaw plate and the lower jaw plate are respectively worn to stabilize and are positioned on an upper dental arch maxillofacial and a lower dental arch maxillofacial; an elasticity rubber ring is hung on a small hook of the upper and lower force transfer rods; the amount of the rubber rings to be hung is adjusted according to the order of severity of the limited individual opening; and the shrinkage force that the rubber ring is extended achieves the function of continuously opening through the force transfer rods. The splitting active oral cavity mouth-opener has the advantages of small volume, convenient wearing and simple operation, can make a mouth-close movement of the mandible when worn, and can enable the function of the masticatory muscles to acquire effective practices; the size of the mouth opening force can be adjusted through increasing and decreasing the rubber ring; the engagement surface of the jaw plates are matched with the occlusal surface of patients and encircled by a buccal fin so as to acquire a stable fixed position. The splitting active oral cavity mouth gag can be used for computer assisting design of individual repairing body of the maxillofacial part.

A reliable technology for determining the masticatory side of the user based on the surface myoelectric potential of masticatory muscles is provided. First and second electromyographic waveforms respectively originating from left and right muscles related to masticatory actions of a user are acquired; a coefficient of correlation between pieces of information respectively extracted from the first and the second electromyographic waveforms is calculated as a first feature value; a second feature value is calculated from a power spectrum obtained by performing frequency analysis on the first electromyographic waveform; a third feature value is calculated from a power spectrum obtained by performing frequency analysis on the second electromyographic waveform; a learning model is generated by associating the first, second, and third feature values with a plurality of labels for specifying a masticatory side of the user; and the masticatory side of the user is determined based on first, second, and third feature values calculated from a newly acquired electromyographic waveform, with reference to the learning model.

The invention relates to the technical field of gynecology and obstetrics, in particular to an auxiliary device for an obstetrics and gynecology delivery surgery to solve the problem of oral muscle injury of a pregnant woman caused by excessive bite force during childbirth. The auxiliary device comprises a hand-held portion, the top end of the hand-held portion is connected with a brace, and the front and the rear of the brace are respectively provided with an occlusion area. The end of the brace is provided with a jacking ball, and the surface of the jacking ball is provided with a trapezoidal fixed block, a deformation shrinking balloon is arranged at the corresponding occlusion area in the inner cavity of the brace and communicated with a tube A arranged in the inner cavity of the brace. The auxiliary device has the advantages of delivering a nutrient solution, protecting the teeth and the masticatory muscles of the pregnant woman from injury, can reduce the effect of the excessivebite of the pregnant woman, and is convenient to use and simple in structure.

The invention discloses a chewing robot simulating a masticatory muscle group and a temporal-mandibular joint and belongs to the technical field of bionic robots. The chewing robot comprises a main body support, an upper jaw structure, a lower jaw structure, six drive branch chains and a pneumatic control system, wherein the drive branch chains are of bilateral symmetry and are distributed in parallel. The main body support serves as a foundation support of the drive branch chains and the upper jaw structure. Two connecting relationships exist between the upper jaw structure and the lower jawstructure and comprise slideway and sphere contact of the elastic temporal-mandibular joint and rope connection of the drive branch chains. Each drive branch chain is composed of pneumatic muscles connected in series and a rope. The chewing robot has the characteristics of chewing muscle elasticity restoring, telescopic motion mode, upper and lower adhesion point position, elastic contact of the temporal-mandibular joint and redundancy driving. By means of the novel drive manner, the chewing robot has the biology advantage of human body stomatognathic system driving, and can form accurate chewing track and occlusal force more beneficially.

The invention relates to the technical field of traditional Chinese medicine, and specifically relates to an external-use honeysuckle-dull leaf powder for treating temporomandibular disorders. The honeysuckle-dull leaf powder is prepared by employing the components of the raw materials in weight percentage are as follows: 20-24% of rhizoma fagopyri dibotryis, 1-2% of radix psammosilenes, 3-5% of radix tinosporae, 6-9% of honeysuckle flower, 5-8% of radix angelicae, 6-9% of prunella vulgaris, 5-8% of cortex phellodendri, 5-9% of root of kudzuvine, 12-15% of sarcandra glabra, 3-6% of galla chinensis, 3-6% of schisandra chinensis, 1-3% of indigo naturalis, 2-4% of centipede, 2-4% of long pepper, 1-3% of herba asari, 2-4% of pseudobulubs cremastrae seu pleiones and 2-4% of licorice, drying and grinding the materials into fine powders, and passing the 100 meshes, so as to obtain the medicine in powder form. The honeysuckle-dull leaf powder has low cost, has high curative effect for treating the temporomandibular disorders, has no toxic and side effects, has the functions of clearing heat and removing toxicity, dispelling wind and heat, eliminating stagnation to eliminate swelling, relieving sore-throat and alleviating pain, promoting blood circulation to remove spots, dispelling wind and removing obstruction in the meridians, tonifying kidney and soothing heart, discharging fire and arresting convulsion, and the like, is suitable for masticatory muscle disorders, internal derangement, inflammatory diseases and osteoarthrosis, and has an effective rate of 91.18%.

The invention provides a unilateral mastication monitoring device and monitoring method. The unilateral mastication monitoring device comprises a first module, a second module and a processing module, wherein the first module acquires at least one left reflection wave reflected by a left masticatory muscle within a time period, the second module acquires at least one right reflection wave reflected by a right masticatory muscle within the time period, the processing module receives the left reflection waves, acquires left spectrum width values according to the left reflection waves, receives right reflection waves, acquires right spectrum width values according to the right reflection waves and judges whether unilateral mastication is performed or not within the time period at least according to the left spectrum width values and the right spectrum width values. According to the unilateral mastication monitoring device and monitoring method, whether unilateral mastication is performed or not can be automatically monitored.

The invention relates to the field of traditional Chinese medicines, and specifically relates to traditional Chinese medicine spray for treating temporomandibular joint diseases and a preparation method thereof. The traditional Chinese medicine spray is prepared from the following raw medicines in parts by weight: 8 to 10 parts of cassia twig, 10 to 15 parts of angelica sinensis, 15 to 20 parts of safflower carthamus, 8 to 10 parts of divaricate saposhnikovia root, 10 to 15 parts of caulis spatholobi, 4 to 6 parts of radix angelicae, 6 to 8 parts of mint, 15 to 20 parts of myrrh, 2 to 4 parts of radix aconiti, 8 to 10 parts of rhizoma cyperi, 10 to 15 parts of panax pseudoginseng, 6 to 8 parts of herba asari, 15 to 20 parts of loofah sponge, 8 to 10 parts of radix notoginseng, 10 to 15 parts of calculus bovis, 15 to 20 parts of radix clematidis, 6 to 8 parts of faeces trogopterori, 4 to 6 parts of humulus scandens, 10 to 15 parts of tangerine peel, and 15 to 20 parts of rabdosia coetsa. The traditional Chinese medicine spray has the advantages of being low in cost, high in effect on treating temporomandibular disorders, safe, convenient, free of toxic and effects; the traditional Chinese medicine spray has the effects of clearing away heat and toxic materials, dispelling wind and heat, resolving mass and reducing swelling, relieving sore-throat and relieving pain, promoting blood circulation and removing ecchymosis, dispelling wind and removing obstruction in the meridians, tonifying kidney and calming heart, discharging fire and relieving convulsion, and also has the effects on treating masticatory muscle disorders, internal derangement, inflammatory disease and osteoarthropathy.

The present invention disclosures a method of stabilizing masticatory forces during re-mineralization around dental implants. The method includes installing a dental implant and injecting botulism toxin into masticatory muscles.

The invention discloses a product for preventing excessive chewing and a preparation method of the product. The product is prepared from the following raw materials in parts by mass: 25-55 parts of gum base components, 8-10 parts of human milk oligosaccharides, 8-10 parts of D-galactose, 8-10 parts of L-fucose, 8-10 parts of D-mannose, 8-10 parts of D-xylose, 8-10 parts of N-acetylglucosamine, 8-10 parts of N-acetylneuraminic acid, 8-10 parts of N-acetylgalactosamine, 0.01 part of a bitter agent precursor and 0.1 part of a hydrolytic liposoluble enzyme, wherein the bitter agent precursor is limonin glycoside, and the hydrolytic liposoluble enzyme is a hydrolytic liposoluble enzyme for promoting limonin glycoside to be hydrolyzed into a bitter agent limonin. The product disclosed by the invention has the beneficial effects that the product has effects of preventing tooth decay, removing bad breath, promoting salivary secretion to help digestion, exercising facial masticatory muscles andthe like, and the health problem caused by that consumers excessively chew related products can be effectively solved.