23 results about "Bite force quotient" patented technology

The invention relates to the technical field of tooth occlusal force measurement, in particular to a tooth occlusal force measurement system and method. According to the technical scheme, a plurality of oral impression connection supporting assemblies are arranged, and the supporting assemblies are used for bearing the plurality of oral impressions to enable the oral impressions to be in preset spatial positions and guiding upper teeth to be vertically occluded and lower teeth to be occluded at different depths in a chewing posture when a user occludes each oral impression; performing three-dimensional scanning on all the occluded oral impression through a scanning assembly on the supporting assembly, and outputting scanning data to the outside; and generating an occlusal force cloud picture of the user under different occlusal depths based on the scanning data through a processing terminal connected with the scanning component. According to the technical scheme, the lower teeth perform occlusion with corresponding depths on different oral cavity impressions based on the natural chewing posture, the occlusion contact forms of the upper and lower teeth of the user under different occlusion depths can be recorded, and the occlusal force distribution measurement of the user under the natural occlusion behavior under different occlusion depths is realized.

The application discloses a preparation method of a bite plate based on a force-induced luminescent material. It belongs to the technical field of oral bite plates and can prepare a bite plate capable of directly and real-timely converting bite force into a visible light signal through a simple process, so that the visualization and semi-quantitative detection of bite contact are realized. The preparation method of the bite plate based on the force-induced luminescent material is characterized in that the method comprises the following steps: (1) synthesizing europium / dysprosium co-doped strontium aluminate force-induced luminescent material SAOED by using a high-temperature solid-phase method, wherein the doping concentration of europium is 2%, and the doping concentration of dysprosium is 1%; (2) mixing the SAOED powder obtained in the step (1) with denture powder according to a mass ratio of 1:7, adding ethanol for dispersion and grinding; (3) adding denture water in a proportion corresponding to the denture powder to the mixture in the step (2), uniformly stirring, and then performing compression molding; and (4) performing water bath heating solidification on the compression molded material, and then performing polishing to obtain the bite plate.

The invention discloses a sectional type appliance for rapidly correcting anterior tooth reverse occlusal, which comprises an upper appliance and a lower appliance, each appliance comprises a reverse occlusal tooth socket for covering reverse occlusal dislocation teeth and other dentition tooth sockets for covering other teeth, and the reverse occlusal tooth socket is connected with the other dentition tooth sockets through an elastic structure. When the orthodontic device is used for correcting seriously staggered teeth, tongue-side thrust and lip-side tension are generated on the staggered teeth due to the existence of the elastic connecting structure after the orthodontic device is in place; in addition, due to the existence of the elastic connecting structure, the appliance generates a force for expanding a gap after being in place, so that the reverse inhale teeth are helped to obtain a tooth movement space to realize rapid movement; in addition, an occlusal force inducing inclined plane is arranged at the contact part of the appliance body part and the involution teeth, and the occlusal force can be utilized to correct the involution teeth through the inclined plane, so that the treatment and correction time of individual tooth involution is shortened.

The application discloses a titanium-zirconium alloy dental implant and a manufacturing method thereof, and belongs to the technical field of biological medical device manufacturing. Three supporting feet are uniformly arranged on the circumference of the small-diameter end of the conical tube along the generatrix direction, which not only ensures the area and stability of the contact between the implant and the jaw bone, but also is beneficial to the growth and tightness of the bone tissue. The hollow tubular structure of the implant body has more than 50% higher bending deformation resistance than the solid columnar structure, effectively ensures the stability of the implant when biting food, and prevents the implant from loosening caused by micro-deformation. The crown base is an important bearing part of the implanted tooth, and in the process of food biting and chewing, the crown body transmits the biting force to the implant body and the jaw bone through the pile of the crown body base. The side wall of the circular table cooperates with the inner hole wall of the large-diameter end of the conical tube, and the convex rib cooperates with the groove, so as to realize the positioning of the crown base and prevent the displacement of the crown base in the circumferential direction.

The invention discloses a dog chewing occlusal force measuring device and method, and belongs to the field of occlusal force measuring, the dog chewing occlusal force measuring device comprises an occlusal piece assembly, one side of the occlusal piece assembly is provided with an energy supply mechanism, the surface of the occlusal piece assembly is provided with a quick release assembly, and the surface of the quick release assembly is provided with a food calling glue assembly; the quick release assembly comprises flange pieces arranged on the two sides of the meshing piece assembly. Through cooperative use of all the devices, the flange piece is inserted into the mounting groove, the flange piece is limited by electrifying the electromagnet, and meanwhile, the insertion rod and the abutting rod are inserted into the corresponding positions, so that the flange piece is further limited, and therefore mounting and dismounting of the flange piece and the attractant gel body are rapidly completed; therefore, the dog chewing bite force measuring device is more convenient to use, the dog chewing bite force testing efficiency is improved, the flange piece and the attractant gel body are integrally formed through injection molding, and it is ensured that the attractant gel and the flange piece are stable and firm.

Provided in the present invention is a cushion patch for removable dentures, the cushion patch being applied to a removable denture, being made of soft silicone, and comprising a base material and an adhering layer. The base material has a first surface and a second surface opposite the first surface; and the adhering layer is arranged on the second surface of the base material, and can repeatedly adhere to the removable dentures. In this way, the cushion patch adheres into the removable dentures, such that when a user wears the removable dentures, by means of the extension characteristic of the cushion patch, the removable dentures closely fit in the oral cavity, and discomfort caused by biting force to the gums is reduced.

A system having a skull tracking bracket; a mandible motion tracking bracket; a motion detecting camera; an electromyography sensors adapted to detect and measure facial muscle activation data and transmit the data to the computerized controller; an audio sensor carried by the subject and adapted to detect and measure sound data associated with jaw (and joint) movement data and transmit the data to the computerized controller; a bite force sensor adapted to detect and measure static and dynamic bite force data; a pain push-button switch (or other sensor) adapted to be activated by the subject when experiencing pain; and a computerized controller is adapted to receive motion data, facial muscle data, joint sound data, static and dynamic bite force data, pain data, and received a set of three-dimensional images of the subject, overlay the detected motion with the three-dimensional image and display the overlay.

To provide pet food that requires less occlusal force for eating.SOLUTION: A dry pet food 1 according to the invention comprises a base body 2 having both a major axis and a minor axis of 12 mm to 30 mm in plan view, and the base body 2 has a fracture inducing portion 24 extending along the planar direction, which guides the fracture of the base body.SELECTED DRAWING: Figure 1

The invention provides a soft elastic occlusal plate capable of monitoring occlusal force in real time, the soft elastic occlusal plate comprises a personalized jaw plate, the two ends of the personalized jaw plate are provided with fixing grooves, and the two fixing grooves are internally provided with a plurality of placing grooves. When a patient puts the personalized jaw plate in the oral cavity and the upper and lower teeth are aligned with the fixing grooves and are tightly attached and occluded, the teeth apply pressure to the fixing piece, push the fixing piece to move towards one side and extrude the elastic piece, the elastic piece generates reverse elastic force and interacts with the force applied by the teeth to form a balance state, and the teeth are stably fixed to the top of the pressure sensing piece. According to the utility model, the movement of teeth in the occlusion process is effectively avoided, the accuracy and reliability of measured data are ensured, the accuracy of occlusion force monitoring is improved, the wearing comfort and stability of a user are enhanced, a reliable basis is provided for clinical diagnosis, and remarkable practical value and clinical significance are achieved.

The utility model discloses a canine tooth occlusion testing machine assembly, which comprises a processing base, a side mounting section bar and a fixed section bar are arranged on the processing base, a moving component is arranged on the side mounting section bar, a moving section bar is arranged on the moving component, a testing component is arranged on the fixed section bar, and the testing component is arranged on the fixed section bar. An occlusion assembly is arranged on the movable profile; the occlusion assembly comprises a lifting profile, a rotating motor is arranged on one side of the lifting profile, a rotating bottom plate is arranged at the output end of the rotating motor, a mounting top plate is arranged on the rotating bottom plate, a driving motor is arranged on the mounting top plate, and a rotating shaft is arranged at the output end of the driving motor; and an upper occlusion jaw and a lower occlusion jaw are arranged on the rotating shaft. The device is simple in structure, capable of simulating the occlusal force of canine teeth, convenient to operate and good in detection effect.

The invention discloses an angle-adjustable stomatology department root canal treatment positioning device which comprises a sterilization oral cavity spray, a connecting cross rod is fixedly connected to the side wall of the sterilization oral cavity spray, a fixed cross rod is fixedly connected to one end of the connecting cross rod, and a telescopic vertical rod is fixedly connected to the top of the fixed cross rod. The top of the telescopic vertical rod is fixedly connected with a connecting block, and the bottom of the connecting block is fixedly connected with a reset spring. The invention relates to the technical field of root canal therapy positioning. When a patient needs oral cavity root canal treatment, a medical worker can press the supporting arc plate and place the supporting arc plate in the oral cavity of the patient, and when the supporting arc plate is slowly loosened, the supporting arc plate is driven to ascend through elasticity to abut against the upper jaw and the lower jaw of the patient, so that tiny deviation of equipment caused by uneven occlusal force can be reduced, and the treatment effect is improved. Meanwhile, through cooperation of the supporting soft cushion and the fixing soft cushion, the patient and the medical staff feel more comfortable when using the equipment.

The invention relates to the technical field of oil and gas exploitation, and particularly provides a clamping tong assembly and tubular column clamping equipment. Wherein the clamping pincer assembly comprises a mounting frame and clamping pincers; the clamping pincers comprise two pincer arm structures which are oppositely arranged, and the two pincer arm structures are connected to the mounting frame in an opening and closing mode; the clamp arm structure comprises a clamp arm body and a first tooth plate, the inner side of the clamp arm body is inclined inwards in the gravity direction, and the first tooth plate is movably arranged on the inner side of the clamp arm body in the inclined direction. According to the clamping device, when the clamping forceps clamp the pipe column, the gravity of the pipe column can be transmitted to the first tooth plate and converted into downward component force in the inclined direction, and therefore the first tooth plate is pushed to slide downwards and be tightly attached to the surface of the pipe column. Therefore, the heavier the pipe column is, the stronger the gliding trend of the first tooth plate is, and meanwhile, the occlusal force (abutting pressure) of the first tooth plate and the pipe column is also larger, so that the self-adaptive adjustment of the large clamping force of the heavy object and the small clamping force of the light object is realized, and manual intervention or complex hydraulic feedback control is not needed.

A user actuation device (1) for use with an inhaler (2) for providing an inhalable medicament, the inhaler (2) being configurable between a non-discharge configuration and a discharge configuration, wherein the user actuation device (1) comprises a bite engagement part (12) for being positioned adjacent to and spaced from a mouthpiece (8) of the inhaler (2) such that, in use, the mouthpiece (8) and the bite engagement part (12) can be received in a user's mouth and the user can apply a bite-force by biting against the bite engagement part (12) and the mouthpiece (8) to bite the bite engagement part (12) and mouthpiece towards each other and an inhaler actuation part (13a) coupled to the bite engagement part (12) and for engaging with the inhaler (2) such that when a user bites the bite engagement part (12) and the mouthpiece (8) towards each other, the inhaler actuation part (13a) actuates the inhaler (2), using the applied bite-force, from the non-discharge configuration to the discharge configuration.

The invention relates to the technical field of intelligent biological behavior monitoring, and particularly discloses a nighttime molar intelligent monitoring method based on occlusal force perception and time sequence analysis, which comprises the following steps: synchronously acquiring nighttime multichannel occlusal force data and physiological signals of a user; performing depth time sequence mode analysis on the occlusal force data, and extracting a spatial-temporal feature vector; inputting the feature vector and the physiological signal into a personalized sleep stage adaptive calibration model to generate a calibrated molar behavior-sleep stage incidence matrix; the matrix is input into a pre-trained multi-task risk assessment model, a personalized molar risk assessment report is output, and specific clinical risks such as tooth abrasion and joint dysfunction are quantitatively predicted through the report. According to the method, accurate association between the molar behavior and the sleep stage is achieved under the condition that no professional electroencephalogram equipment exists, normal form upgrading from phenomenon description to clinical risk early warning is completed, and an effective tool is provided for family-based accurate sleep health management.

The invention relates to the technical field of medical instruments, in particular to an instrument for testing the occlusion force of an endoscope jaw, which comprises a handheld handle and a sliding clamping mechanism, the handheld handle is provided with a paper strip inlet, and the sliding clamping mechanism can slide along the length direction of the handheld handle and is used for clamping and pulling a paper strip to enter the handheld handle from the paper strip inlet. A window opposite to the paper strip is formed in the handheld grab handle, a pushing button is arranged on the handheld grab handle, a sliding groove for the pushing button to move is formed in the end, away from the paper strip inlet, of the handheld grab handle, and the sliding groove is formed in the length direction of the handheld grab handle. According to the handheld testing tool, the paper strip is clamped and pulled through the sliding clamping mechanism, and the occlusion trace on the paper strip can be amplified and observed through the window formed in the handheld grab handle, so that the operation process is effectively simplified, the detection efficiency is improved, whether the clamping force of the jaw is normal or not can be quickly judged before or during an operation, and the working efficiency is improved. The instrument management efficiency and the operation safety are improved.

The utility model discloses a termite occlusal force accurate measurement and analysis system, which belongs to the technical field of biomechanical measurement and comprises an occlusal force test module, the occlusal force test module comprises an upper occlusal sheet and a lower occlusal sheet, the lower occlusal sheet is arranged on a base, the base is rotatably connected with a balance plate, one end of the balance plate is connected with the upper occlusal sheet, and the other end of the balance plate is connected with the lower occlusal sheet. The distance between the connecting point of the force sensor and the balance plate and the rotating point of the balance plate is smaller than the distance between the connecting point of the upper meshing piece and the balance plate and the rotating point of the balance plate. The termite fixing module comprises a moving platform located on one side of the base, and the moving platform is used for fixing termites and adjusting the positions of the termites; the observation module is arranged on one side of the base and used for collecting the biting behavior of the termites in real time. According to the utility model, the occlusal force of the upper occlusal sheet is multiplied and transmitted to the force sensor, so that the extraction of micro force values is realized, and meanwhile, the functions of high-precision force measurement and synchronous behavior observation are realized.

A device used in conjunction with fixation hardware to provide a two-stage process to address the competing needs of immobilization and re-establishment of normal stress-strain trajectories in grafted bone. A method of determining a patient-specific stress / strain pattern that utilizes a model based on 3D CT data of the relevant structures and cross-sectional data of the three major chewing muscles. The forces on each of the chewing muscles are determined based on the model using predetermined bite forces such that a stiffness of cortical bone in the patient's mandible is determined. Based on the stiffness data, suitable implantation hardware can be designed for the patient by adjusting external topological and internal porous geometries that reduce the stiffness of biocompatible metals to thereby restore normal bite forces of the patient. A method of 3D printing nitinol to create a patient-specific device to facilitate the establishment of a normal stress-strain trajectory in grafted bone.

The invention discloses a rehabilitation training instrument for swallowing dysfunction. The rehabilitation training instrument comprises an arc-shaped occlusion strip and a resistance adjusting device, the two arc-shaped occlusion strips are oppositely arranged at an interval and are respectively used for propping against teeth of an upper jaw and a lower jaw; each occlusion strip is provided with an occlusion groove and a mounting groove in the extending direction, and an opening of the occlusion groove faces away from the other arc-shaped occlusion strip so that teeth can be occluded; and the mounting groove is positioned on one side facing the other arc-shaped occlusion strip. The resistance adjusting device comprises an adjuster and at least two magnets, wherein at least one magnet is an electromagnet. A magnet is mounted in the mounting groove of each arc-shaped occlusion strip in a sliding manner; in the two arc-shaped occlusion strips working cooperatively, the magnets belonging to different arc-shaped occlusion strips repel each other; and the regulator is mounted on the arc-shaped occlusion strip, is electrically connected with the electromagnets and is used for regulating the magnitude of current introduced into the electromagnets. By adjusting the occlusion resistance during training, the occlusion strength required by different foods is simulated, so that the depth and efficiency of systematic rehabilitation of the swallowing function are improved.

The invention discloses a tongue bite prevention device for epileptic nursing, which is characterized in that the upper surface of a right lower tooth seat is hinged with a right upper tooth seat, the upper surface of the right lower tooth seat is detachably connected with a connecting plate, the other end of the connecting plate is detachably connected with a left lower tooth seat, and the upper surface of the left lower tooth seat is detachably connected with a left upper tooth seat; a tongue pressing piece is fixedly connected to the front surface of the connecting plate, an embedded groove is formed in the upper surface of the tongue pressing piece, and a reinforcing rib is fixedly connected to the interior of the embedded groove; t-shaped slots are formed in the upper surfaces of the right lower tooth seat and the left lower tooth seat, the right lower tooth seat is detachably connected with an elastic silica gel right top block through the T-shaped slots, and the upper end surface of the elastic silica gel right top block is propped against the lower surface of the right upper tooth seat. The tooth-shaped groove is sleeved with the molar and can be stably fixed in the mouth of a patient; the number of the elastic rubber rings installed on the fixing nails in a matched mode can be increased or decreased according to the using requirements of different patients, the tension of the upper pressing seat and the tension of the lower pressing seat can be flexibly adjusted, and different occlusal forces are limited.

The oral cavity cleaning and nursing device comprises a first cleaning frame and a second cleaning frame which are connected through a connecting assembly, the opening ends of the first cleaning frame and the second cleaning frame wrap upper and lower teeth, and a flushing cavity and a biting plate are arranged in the first cleaning frame and the second cleaning frame; the bottom of the biting plate is connected with a U-shaped plate through a sliding rod, and a first drainage hole and a second drainage hole which are arranged in a staggered mode are formed in the side wall of the U-shaped plate and the wall face of the flushing cavity correspondingly to form an adjustable water flow channel. During occlusion, the occlusion plate drives the U-shaped plate to move, so that the staggered first and second drainage holes are communicated, and water flow in the flushing cavity is sprayed out through the orifice to flush the tooth side; after the occlusion is released, the spring pushes the U-shaped plate to reset to close the drainage hole; according to the device, self-adaptive adjustment of the water flow intensity is achieved through linkage of occlusal force and a mechanical structure, the dual cleaning modes of hydraulic flushing and cleaning soft hair scraping are combined, the connecting assembly supports stepless adjustment to adapt to different dental arch widths, and the cleaning efficiency and the use comfort are improved.

This invention discloses an intelligent denture modeling device based on oral scan data, relating to the field of dental prosthesis modeling. This device, by setting a light refraction acquisition component for emitting blue light at the end of the scanner and a bite plate on the mounting tube, allows the patient to bite down on the bite plate and exert force when collecting oral data. This puts the oral soft tissues in a stressed state, and the light refraction acquisition component at the front end, in conjunction with the scanner, captures the soft tissue displacement under the biting force, obtaining the patient's oral data under the stressed state. This helps medical personnel obtain functional pressure impressions and improves the accuracy of denture fabrication.