22 results about "Mandibular angle" patented technology

The invention discloses a visible drag hook for mandibular angle plastic surgery, relates to the technical field of drag hooks for mandibular angle plastic surgery, and solves the problems that an existing drag hook only adopts a lamplight illumination mode to light an operation part of a patient, then a blind area exists in the operation part, a doctor who operates a knife cannot observe the position of the blind area through sight, and the operation difficulty is high. The surgical retractor comprises a rod body, a ring body is fixedly mounted at the lower end of the rod body, a pair of handles is fixedly mounted at the lower end of the ring body, and a retractor plate is fixedly mounted at the upper end of the rod body. Through video recording of a pinhole camera, an image of an operation position is presented on an external display, then a good visual field is provided for a doctor, the total length of an extension plate and a retractor plate is adjusted through an adjusting assembly, and hooking and pulling of the side walls of different oral cavities with different lengths are facilitated.

A bruxism training device is disclosed that is capable of detecting bruxism events (e.g., jaw clenching and teeth grinding) via external electromyography (EMG). The training device is shaped to be easily placed in a proper location and proper orientation over a masseter muscle of a user. A locator region is provided to facilitate easy locating of a reference electrode over the gonial angle of the mandible, while an alignment edge of the training device is provided to facilitate easy locating of end electrodes adjacent an end of the masseter muscle coupled to the mandible. With the locator region and alignment edge in place, an array of mid electrodes is automatically positioned over a bulk of the masseter muscle, allowing useful EMG measurement to be acquired of masseter activation.

The utility model discloses a lower jawbone reduction cutting component, which relates to the field of maxillofacial reshaping appliances and comprises a filing board, the filing board is an arc-shaped extending board body, the arc-shaped concave surface of the filing board is provided with a main filing surface and an auxiliary filing surface, the arc-shaped convex surface of the filing board is provided with an arc-shaped convex part, the surface of the convex part is provided with an auxiliary filing surface, and the grab handle is connected with the filing board. The arc-shaped main filing face is arranged on the concave face of the arc-shaped filing plate, the main filing face and the bone section of the mandibular angle have the matched curvature, the grinding combination face is more perfect, and therefore the grinding precision is improved, and the bone section line of the mandibular angle is more attached to the preoperative design line.

The present invention discloses a method, apparatus, device and storage medium for retouching the mandibular line of a portrait based on facial feature points, which includes: obtaining a to-be-processed face image input by a user; obtaining a light and shadow adjustment image by adding a light and shadow special effect at the junction between the mandibular line contour and the neck of the to-be-processed face image; and performing interpolation fitting between the mandibular angle point and the chin point in the mandibular line contour based on the light and shadow adjustment image to obtain a face image after retouching the mandibular line. It can obtain a retouching effect of a clear, firm and natural and smooth mandibular line, and the operation steps are simple, thereby improving the user's experience of the face beautification effect.

A mobile bearing prosthetic implant may include a fossa implant seated in the fossa cavity of the skull and secured to the zygomatic arch. The fossa implant may define a primary recess constructed and arranged to mimic the articular eminence of the temporal bone such that a floating bearing connected to a ramus implant may translate along the original path that the condylar head would take during movement of the jaw. The floating bearing may be constructed and arranged to move from the first jaw angle recess to the second jaw angle recess and is positionable therebetween such that a longitudinal axis of the floating bearing is perpendicular to the direction of movement of the floating bearing within the fossa implant.

The invention discloses a head fixing device for ophthalmologic operations, and particularly relates to the technical field of head fixing devices for ophthalmologic operations, the head fixing device comprises a base, inclined tables are fixedly connected to the left side and the right side of the upper end of the base, and sliding rails are fixedly mounted on the inner sides of two supporting rods located on the left side and the inner sides of two supporting rods located on the right side; a lower jaw limiting assembly is jointly slidably mounted on the lower portions of the outer surfaces of the two sliding rails, and a head limiting assembly is fixedly mounted on the front portions of the lower sides of the outer surfaces of the two sliding rails. According to the head fixing device for the ophthalmologic operation, the lower jaw limiting assembly is arranged, the lower jaw position of a patient is limited in an abutting mode in the using process, the lower jaw limiting assembly is adjusted so that fitting limiting can be conducted according to different angles of the lower jaw, and meanwhile the head limiting assembly is arranged, so that the head fixing device is more convenient to use. The forehead and the back side of the head of the patient can be limited and fixed after the lower jaw limiting assembly is aligned and limited.

The utility model relates to the field of bone files, in particular to a maxillofacial lower jaw osteotomy grinding bone file which comprises a file head, the section of the file head is in a regular triangle shape, and the file head is provided with three file faces which are respectively a plane, a concave face and a convex face. The file head is provided with the plane filing face, the concave face filing face and the convex face filing face, the plane filing face, the concave face filing face and the convex face filing face can be selected for targeted grinding according to the curve of a mandibular angle wound base, so that the curve of the wound base is smoother, different files do not need to be replaced frequently, and the file head is convenient to use. And the operation complexity of mandible osteotomy grinding is simplified.

1. The name of the design product: mandibular angle supporting block. 2. The use of the design product: the design product is used for installing into a mandibular angle lifting device to lift the mandibular angle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention discloses a teaching device for manual reduction of temporomandibular joint dislocation, comprising a base plate on which a lifting and adjusting assembly is mounted. A skull model is mounted on top of the lifting and adjusting assembly. The skull model has a temporalis muscle spring assembly between the temporal bone and coronoid process, a masseter muscle spring assembly between the zygomatic arch and the lateral surface of the lower border of the mandibular angle, a medial pterygoid muscle spring assembly between the posteromedial aspect of the maxillary tuberosity and the medial surface of the lower border of the mandibular angle, and a lateral pterygoid muscle spring assembly between the articular pterygoid fossa and the lateral pterygoid plate at the condylar neck. In this invention, the skull model can rotate on top of the lifting and adjusting assembly, allowing the device to visually display the temporomandibular joint and the mandibular elevating muscles closely related to joint dislocation, simulating the movement of muscles inside the oral cavity, thus realistically simulating the force resistance against the mandibular elevating muscles during temporomandibular joint reduction. Furthermore, the device allows for angle adjustment to accommodate students in different positions.

A thread-lifting surgical procedure employs an inferior-to-superior method of thread insertion through one or more deep cheek tissue pads, which angles the deep cheek tissue fat pads upward and inward. An inferior-to-superior method of thread insertion is also used for gonial angle insertion vectors through the superficial fat pads. A method for marking the patient prior to performing the thread-lifting surgical procedure is also provided. A computer and computerized method are disclosed for automated planning, execution and display of the present invention.

A robotic surgical system (1) comprising a robotic arm (12) supporting a jaw assembly, the jaw assembly including opposed jaw members (22, 24) defining a jaw angle (α) therebetween; and a user interface (40) including a handle assembly (200), the handle assembly including a body portion (210); a handle controller (230) disposed in the body portion (210), the handle controller having a motor (232) and a microcontroller (234); and a first actuator (214) movable relative to the body portion (210) to change an opening angle (Θ) of the first actuator (214), the first actuator having a force profile which is a force required to move the first actuator as a function of the opening angle (Θ), and the jaw assembly having a jaw angle profile which is the jaw angle (α) as a function of the opening angle (Θ), wherein the force profile defines a force curve, and wherein the microcontroller (234) is configured to adjust operating parameters of the motor (232) to effect a change in a force required to actuate the first actuator based on the force curve, a portion of the force curve having a change in slope, characterised in that a portion of the force curve has a change in slope transition point at a predetermined opening angle of the first actuator (214), the motor (232) producing a torque to maintain the first actuator (214) at the predetermined opening angle.

The present application relates to the field of cosmetic technology, in particular to a filling and shaping injection method based on improving facial aesthetics, which identifies target areas according to individual three-dimensional morphological assessment or digital assessment results, includes a facial support system, a volume system and a contour system, selects at least one system in the target area based on the type of aesthetic defect, and selectively implements one or more injections; the facial support system includes eyebrow arch, malar arch, temporal region and mandibular angle region; the volume system includes forehead, cheek and neck; the contour system includes nose, chin, lower jaw edge and ear base; according to the physiological structure and shaping needs of different parts, the injection material is accurately selected and the dilution ratio is determined, laying a foundation for shaping effect. The filling agent stock solution or suitable proportion diluent can provide stable support and / or improve texture due to its own material properties, and good compatibility with the surrounding tissue after injection.

The utility model relates to the technical field of surgical instruments, in particular to a mandibular angle standard positioner with a ruler, which comprises a positioning plate vertically arranged and used for being attached to the rear side of a mandible, a marking plate is connected to the outer side of the lower end of the positioning plate and used for being attached to the surface of one side of the mandible, and a ruler is arranged on the marking plate. An included angle formed between the positioning plate and the marking plate is an obtuse angle; the marking plate is connected with a scale plate which is obliquely arranged upwards, and a hook is arranged at the far end of the scale plate and is used for being hung at the front edge position of a grown limb on the mandible. The bone cutter has the characteristics that the positioning is more reasonable, the accuracy of the position of the bone cutting line can be improved, and the hand-held use is more convenient.

The present invention discloses a control method for an automatic airway opening position adjustment device, the automatic airway opening position adjustment device comprising a horizontal base plate, a head support block, a back support plate, a neck support device, a headgear assembly and a PLC, wherein the neck support device is located between the head support block and the back support plate; the PLC controls the stroke of the electric cylinder according to the following equation: θ=1.235β+α, α=KX+B+C, wherein: θ is the position angle, which is the angle between the orthographic projection line of the line from the mandibular angle to the external auditory canal on the symmetry plane of the human body and the back branch; θ is a preset value, and the value range of θ is 90° to 100°. The control method for the automatic airway opening position adjustment device of the present invention adopts a self-defined position angle that combines the olfactory position and the slope position, and the recommended range of the position angle is verified by experiments, which can meet the airway opening requirements of most patients.

1. Name of the design product: mandibular angle (PEEK polyether ether ketone). 2. Use of the design product: repair of mandibular bone mass defect and mandibular dysplasia. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: kit 1 perspective view.

The invention discloses a guide plate system for an artificial temporomandibular joint replacement surgery, and relates to the technical field of artificial temporomandibular joint replacement surgeries, the guide plate system comprises an osteotomy guide plate and a positioning guide plate, the osteotomy guide plate is provided with a first binding face attached to a lower jawbone ramus trailing edge anatomical structure so as to be capable of being attached and fixed to the lower jawbone ramus trailing edge anatomical structure, and the positioning guide plate is provided with a second binding face attached to the lower jawbone ramus trailing edge anatomical structure; the osteotomy guide surface is used for guiding osteotomy operation so as to guide lineation osteotomy; the positioning guide plate is provided with a second attaching face attached to the anatomical structure of the mandibular angle so that the positioning guide plate can be attached and fixed to the anatomical structure of the mandibular angle, and the prosthesis guide part is used for guiding the prosthesis to be in place, so that the operation accuracy, safety and efficiency are effectively improved.

The utility model discloses a jaw pad for preventing bruxism, which belongs to the field of jaw pads for preventing bruxism and is characterized in that side shells and a front shell are in a mandibular design, the upper ends of the two side shells are provided with fit-type protruding parts, and the fit-type protruding parts extend to the mastoid process position of the head to realize complete fit of the mandibular part; an inner air bag cover is arranged in an inner cavity of the front shell, the front shell is attached to the chin carina and the chin nodule through the inner air bag cover, a side air bag cover is arranged in an inner cavity of the side shell, and the side shell is attached to the lower jaw body and the lower jaw angle through the side air bag cover. According to the jaw pad capable of preventing the night molar teeth, the jaw pad is stably fixed on the lower jaw, so that the night molar teeth are effectively prevented, the teeth are prevented from being abraded, and the sleep quality is improved. The design accords with ergonomics, the comfort degree is high, and fine adjustment can be carried out for optimal fitting. The device is made of high-quality materials, is firm and durable, can be flexibly adjusted to adapt to different users, and is simple to clean and maintain. Long-term night molar may lead to problems such as tooth damage, and the jaw pad may prevent these problems and provide a gradual adaptation process.

The supporting block assembly comprises a pair of mandibular angle supporting block assemblies with symmetrical structures, each mandibular angle supporting block assembly comprises a connecting rod and a mandibular angle supporting block plate, one end of each connecting rod is fixedly connected with one side face of the mandibular angle supporting block plate, and a soft cushion is fixedly arranged on the other side face of the mandibular angle supporting block plate; the mandibular angle supporting block plate is a cambered surface body and is matched with a mandibular angle of a human body in shape; the soft cushion is also a cambered surface body, and the shape of the soft cushion is matched with that of the mandibular angle supporting block plate; the included angle alpha between the tangent line of the scanning curve of the mandibular angle supporting block plate at the coordinate origin Q and the XY plane is 0-60 degrees, and the included angle theta between the projection line of the scanning track curve on the XY horizontal plane and the Y axis is 5-50 degrees. The mandibular angle lifting device can be effectively attached to the mandibular angle, has the function of lifting and fixing the mandibular angle, can disperse lifting pressure, and effectively avoids indentation or iatrogenic injury to the mandibular angle during lifting.

The utility model relates to the technical field of medical instruments, in particular to an inferior alveolar nerve anesthesia indicator. The two sides of the connecting rod are connected with indicating rods. The two indicating rods are symmetrically arranged on the two sides of the base station respectively; an indicator connecting seat is fixed on the base station. When the odontoscope is used, the indicator connecting seat is fixedly connected with the odontoscope handle; the two indicating rods are respectively positioned at the highest point of a condyle process and the lowest point of a mandibular angle incisura, so that the indicator connecting seat is directly aligned and positioned with a mandibular small tongue, and the anesthesia effect is guaranteed.

The utility model discloses a lower jaw support, which relates to the technical field of medical auxiliary instruments and comprises a lower jaw support mechanism, a support fixing mechanism is arranged on the rear side of the lower jaw support mechanism, the lower jaw support mechanism comprises a supporting plate, a fixing plate and a hinge, the supporting plate is rotatably connected with the rear side of the fixing plate through the hinge, and the lower jaw support mechanism is arranged on the support fixing mechanism. A rubber protective shell is fixedly installed on the rear sides of the supporting plate and the fixing plate and located on the rear side of the hinge, and mandibular angle supporting plates are fixedly installed on the left side and the right side of the top of the supporting plate. The supporting plate, the fixing plate, the hinge, the lower jaw angle supporting plate, the jaw supporting plate and the adjusting knob are matched with one another, so that the lower jaw of a patient does not need to be manually supported, the lower jaw of the patient can be continuously supported for a long time through the supporting plate capable of obliquely rising, manpower is saved, meanwhile, the supporting stability is improved, and the working efficiency is improved. The continuous smoothness of the airway of the patient is ensured.

The invention discloses a thyroid cancer postoperative neck nursing device which comprises a jaw support, a mandibular angle support assembly, a swivel positioning device and a shoulder and neck fixing ring, the jaw support is arranged on the mandibular angle support assembly, the mandibular angle support assembly is arranged on the swivel positioning device, and the swivel positioning device is arranged on the shoulder and neck fixing ring. The invention belongs to the technical field of medical instruments. The shoulder and neck fixing ring is worn on the shoulder and neck of a patient, meanwhile, the jaw support is fixed to the jaw of the patient, the mandibular angle support assembly is fixed to the mandibular angle of the patient, and the swivel positioning device forms a supporting structure on the rear side of the neck of the patient, so that the head of the patient is supported; wherein a buffer spring on the mandibular angle supporting tool assembly generates elastic force when a patient opens and closes the oral cavity, the situation that the oral cavity of the patient is opened and closed accidentally and a neck wound is involved is prevented, the rotating amplitude of the head of the patient can be adjusted through the rotating head positioning device, and the wound is prevented from being pulled by the rotating head action.

The invention provides a clamping type mandibular angle defect repair prosthesis. The clamping type mandibular angle defect repair prosthesis comprises a main body, a connecting part and an outer oblique line fixing part, the main body is used for filling a defective mandibular angle part; the connecting part extends in the front-back direction of the mandibular ramus and is arranged on the outer side of the mandibular ramus, one end of the connecting part is connected with the main body, and the other end of the connecting part is connected with the outer oblique line fixing part; the outer oblique line fixing part is used for being arranged on an outer oblique line part of a mandible; wherein the main body and the outer oblique line fixing part are configured to be clamped at a target implantation part through the connecting part based on elasticity. According to the configuration, through the arrangement of the connecting part and the outer oblique line fixing part, clamping type connection with the main body is formed, installation is convenient, fixation is reliable, arrangement of bone nails can be reduced or avoided, and the possibility of nerve injury is reduced. Due to the fact that clamping type connection is adopted, a tiling type overlapping fixing part can be omitted, and the lower face part cannot be widened.