88 results about "Parafacial" patented technology

The invention relates to an oral and maxillofacial implant repair path generation system based on a CBCT image, in particular to the field of computer aided design of surgical operations, and the scheme comprises the following steps: constructing a high-quality training data set through multi-source data aggregation and intelligent labeling enhancement; training by using the mixed model to generate a high-precision jaw segmentation model; the segmentation parameters are dynamically adjusted in combination with real-time feedback in preoperative planning, and a personalized optimization result is output; the model is continuously updated and the data strategy is optimized by means of a closed-loop feedback mechanism, so that the planning accuracy, the self-adaptability and the clinical efficiency of oral maxillofacial implant restoration are comprehensively improved, and the whole process from data to decision making is intelligentized.

The invention provides an auxiliary flexible fixing device for oral cranio-maxillofacial osteotomy, which is mounted on a bed body, pawl rack assemblies are respectively arranged on two sides of the bed body, the pawl rack assemblies are connected with side fixing plates of the bed body through supporting assemblies, and the pawl rack assemblies on two sides are respectively connected with flexible clamp assemblies through guide rail connecting pieces; the flexible clamp assembly comprises a positioning plate, the positioning plate is connected with the guide rail connecting piece through a supporting column and a side plate in sequence, a plurality of pressing columns arranged at intervals are arranged on the positioning plate, second springs are arranged between the ends, away from the positioning plate, of the pressing columns and the side plate, and ball heads are arranged at the ends, exposed out of the positioning plate, of the pressing columns. The supporting assemblies, the pawl rack assemblies and the flexible clamp assemblies which are used in pairs are adopted, the mode of one-time moving positioning and double locking is completed, and due to reverse locking devices of pawls and ratchets, the first locking mode is achieved; the pressing column of the flexible fixing device fits the shape of the skull of the patient, the pressing column is locked, and a second locking mode is achieved.

The invention provides a maxillofacial operation planning navigation method and system, relates to the technical field of operation planning navigation, and solves the technical problems that the existing maxillofacial operation planning navigation method cannot adapt to the change of an intraoperative anatomical structure due to a preoperative planning static state, and the intraoperative navigation efficiency and precision are insufficient. The method specifically comprises the following steps: acquiring first image data of a to-be-operated region; preprocessing the first image data based on an image processing algorithm to determine second image data; performing three-dimensional reconstruction and segmentation on the second image data to obtain a three-dimensional data model; analyzing the three-dimensional data model through an AI intelligent auxiliary diagnosis model, and generating a diagnosis report; inputting the three-dimensional data model and the diagnosis report into a two-channel model, and outputting an operation path scheme and a bone fracture plate scheme; in the operation, non-rigid registration is adopted to compensate real-time deformation delay for first image data before the operation and in the operation, and an AR real-time navigation technology is combined to realize maxillofacial operation planning navigation. The method is used for maxillofacial surgery planning navigation.

The invention relates to the technical field of medical image processing, and discloses a temporomandibular joint three-dimensional reconstruction system based on joint imaging diagnosis. The system utilizes CBCT equipment to collect temporal-mandibular joint tomographic image data, and extracts facial feature sites and maxillofacial joint standard model approval sites through a multi-scale residual network. And carrying out space registration by adopting an affine transformation and nonlinear optimization algorithm to generate a synchronous correction parameter, further carrying out deformation interpolation on the standard model of the maxillofacial joint to construct a maxillofacial model, and adjusting the position of a condylar process. And based on the deformed maxillofacial model, generating an occlusal plate structure model by using an isogeometric analysis method, and iteratively optimizing the degree of fit through an edge calculation frame. The system can accurately reconstruct the three-dimensional model of the temporomandibular joint, optimizes the adaptation of the biteplate, provides powerful support for the diagnosis and treatment of temporomandibular joint diseases, and facilitates the improvement of the diagnosis and treatment level.

1. Name of the product in this design: Root canal measuring instrument (for oral and maxillofacial surgery). 2. Purpose of this design: It is used in a root canal measuring instrument, which is a measuring instrument for oral and maxillofacial surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: oral and maxillofacial surgery electrode. 2. The use of the design product: cutting and coagulating human tissue in oral and maxillofacial surgery. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The utility model relates to the technical field of lingual draw hooks, and discloses a lingual draw hook for oral and maxillofacial surgery, which is characterized in that a pulling mechanism is mounted in the middle of a hook body; the hook body comprises an extending piece, the left side and the bottom of the extending piece are fixedly connected with an upper clamping piece and a lower clamping piece respectively, and through holes are formed among the upper clamping piece, the lower clamping piece and the extending piece. When the lingual retractor for the oral and maxillofacial surgery is used, the extension piece is pinched by a hand, so that the pulling and avoiding of the tongue can be easily realized through the elastic clamping force of the upper clamping piece and the lower clamping piece, and meanwhile, the fatigue of the hand can be relieved. By means of the arranged pulling mechanism, when an upper clamping piece and a lower clamping piece need to be clamped, a groove block only needs to slide in a sliding groove, so that a pull rod can be driven to drive a movable plate to be pulled, at the moment, under matched dragging of the movable rod, the upper clamping piece and the lower clamping piece can get close to each other, clamping of the tongue can be achieved, and the clamping effect of the tongue is improved. Hand holding is relieved, and hand fatigue can be further relieved.

An intracranial procedure includes engaging a fiducial device having fiducial markers with a maxillofacial anatomy of a patient, the fiducial device arranged to communicate with a tracking arm arranged to communicate with a robotic arm having a procedure performing device engaged with a distal end of the robotic arm. A virtual surgical plan is prepared in registration with and relative to the fiducial marker for forming an aperture through the skull and into the intracranial region, and for accessing an associated intracranial anatomical structure through the aperture. Movement of the surgical performing device relative to the fiducial marker is physically adjusted via the robotic arm according to the virtual surgical plan and symmetrically with physical manipulation of the surgical performing device during formation of the aperture and during entry into the associated intracranial anatomy. If the physical manipulation of the surgical performing device deviates from the virtual surgical plan, haptic feedback is provided via the surgical performing device.

1. Name of the product under this design: Exposure handle for oral and maxillofacial cone-beam computed tomography equipment. 2. Purpose of the product of this design: to be used in conjunction with oral and maxillofacial cone-beam computed tomography equipment to perform oral and maxillofacial photography. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to an oral maxillofacial dilator, and relates to the field of auxiliary medical instruments. The oral and maxillofacial distraction device comprises a first distraction assembly, a second distraction assembly, a first adjusting assembly, a second adjusting assembly, a first telescopic positioning piece and a second telescopic positioning piece. The first distraction assembly and the second distraction assembly are arranged at an angle and enclose to form an observation hole; the first distraction assembly can rotate away from the second distraction assembly, and the first distraction assembly and the second distraction assembly are slidably connected through the second adjusting assembly; the first adjusting assembly is rotatably connected with the first opening assembly; the first telescopic positioning piece is clamped with the first opening assembly; and the second telescopic positioning piece is clamped with the second opening assembly. The size of the dilator can be conveniently adjusted, manpower is saved, the observation area is enlarged, and observation and surgical operation are facilitated.

The utility model relates to the technical field of medical instruments, in particular to a rongeur special for oral and maxillofacial surgery, which comprises a left rongeur head, a right rongeur head, a left rongeur handle and a right rongeur handle, the left rongeur head is hinged with the left rongeur handle, the right rongeur head is hinged with the right rongeur handle, the left rongeur handle is hinged with the right rongeur handle, and the right rongeur handle is hinged with the right rongeur handle. The forceps clip section of the left forceps head and the forceps clip section of the right forceps head are both concave inwards and convex outwards to form an arc-shaped structure, an occlusion ball is arranged at the head end and is of a hemispherical structure, and sawteeth matched with each other are arranged on the ball section of the occlusion ball. The forceps holder sections are arranged to be of the arc-shaped structures which are concave inwards and convex outwards, and the hemispherical occlusion balls are arranged at the head ends of the forceps holder sections, so that the situation that other tissues are scratched in an oral and maxillofacial operation due to the fact that the forceps heads are too sharp is avoided, and due to the arrangement of the sawtooth structures on the occlusion balls, clamping is more stable in the operation process, and slipping is not prone to being caused.

The invention discloses a clinical head fixing device for oral and maxillofacial surgery and a communication system, and relates to the technical field of oral and maxillofacial nursing, the clinical head fixing device comprises a patient bed main body, the bottom of the patient bed main body is fixedly connected with a plurality of supporting legs, the top of the patient bed main body is fixedly connected with an outer side baffle, and two sides of the top of the patient bed main body are fixedly connected with outer side handrails; the adjusting mechanisms are arranged on the inner side wall, the top end and the bottom end of the patient bed body, each adjusting mechanism comprises a first screw rod, the first screw rods are connected to the inner side wall of the patient bed body in a two-thread mode, and the top of one first screw rod is fixedly connected with a connecting sliding block; by arranging the adjusting mechanism composed of the two first screw rods, the connecting sliding block and the headrest, and matching with the driving structure and the second screw rod used for adjusting the position of the single headrest, flexible and accurate adjustment of the head supporting height and the distance between the two headrests is achieved.

The invention provides an oral maxillofacial surgery postoperative care pushing method and system based on artificial intelligence, and relates to the technical field of artificial intelligence pushing, and the method comprises the steps: obtaining historical case data and stage care data of a user, and converting the historical case data and stage care data into structured data; a push mechanism based on time triggering is designed, the structured data of each time period is evaluated and pushed by using the push mechanism based on time triggering, and a user receives post-operation push matters needing to be followed by the current time period; wherein the push mechanism based on time triggering comprises the steps of designing a time-triggered state mode, taking each user as a state identifier, enabling each state to correspond to a specific postoperative time period and push content, performing time calculation, performing state transition when a postoperative time difference reaches a threshold value, loading the users in a pushable state from a database, and pushing the pushable state to the corresponding user. And the matters needing attention of different users at different stages are pushed.

1. Name of the product of this design: Maxillofacial bone prosthesis (special shape‑2). 2. Application of this product design: for maxillofacial bone repair. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention relates to the technical field of surgical auxiliary equipment, and specifically to a covering device for oral and maxillofacial surgery, comprising an annular base plate and a plurality of center rods, the center rods all passing through the base plate and rotatingly cooperating therewith, the bottoms of the center rods all being fixedly connected with arc-shaped extension plates, the tops of the center rods all being fixedly sleeved with a first gear, a gear ring is rotatably cooperating with the base plate, and the first gears are all meshed with the gear ring; an annular and elastic covering cloth is detachably sleeved on the base plate, and the extension plates are all slidingly cooperating with the inner wall of the covering cloth. A driving assembly for driving the gear ring to rotate and thereby adjusting the covering range is provided on one side of the base plate; a supporting assembly for supporting the base plate and an adjusting assembly for adjusting the position of the base plate are also provided on the base plate. The present invention has a complete structure and can effectively increase the size of the covering range, thereby improving the convenience of the operation.

A maxillofacial device includes a substructure with a shape that is custom made to a patient's maxillofacial area; a framework coupled to the substructure, the framework and substructure being made of a single continuous material or a combination of materials, the framework having a plurality of grid elements; and one or more plate fixations coupled to the substructure. The framework has a shape that is custom made to fit the patient's maxillary sinus area. The framework is configured to be surrounded by a bone graft material, wherein the substructure and framework provide rigidity and stiffness for the bone graft material.

A maxillofacial device includes a substructure with a shape that is custom made to a patient's maxillofacial area; a framework coupled to the substructure, the framework and substructure being made of a single continuous material or a combination of materials, the framework having a plurality of grid elements; and one or more plate fixations coupled to the substructure. The framework has a shape that is custom made to fit the patient's maxillary sinus area. The framework is configured to be surrounded by a bone graft material, wherein the substructure and framework provide rigidity and stiffness for the bone graft material.

The utility model provides an adjustable inflatable shoulder and neck pad device which comprises a neck pad with an arc-shaped side wall, shoulder pads with crescent-shaped surfaces are installed at the two ends of the neck pad, and a plurality of air bags are installed on the surfaces of the neck pad and the shoulder pads. The air bag is composed of a first expansion layer, a fixing layer and a second expansion layer, the fixing layer is fixed in the neck pad and the shoulder pad, the two sides of the fixing layer are fixedly connected with the first expansion layer and the second expansion layer respectively, the first expansion layer is located on the surface of the neck pad and the surface of the shoulder pad, and the second expansion layer is located on the surface of the shoulder pad. The second expansion layer with the wavy side wall is located in the neck pad and the shoulder pad; grooves are formed in the bottom faces of the neck pad and the shoulder pads, and the second expansion layers are connected into the grooves in a sliding mode. The adjustable inflatable shoulder pad and neck pad device has the advantages that the height of the shoulder pad and the neck pad can be individually adjusted according to the height of a patient and the neck condition, and the requirements of maxillofacial and neck operative positions are met.

1. The name of the design product: the graphical user interface of oral and maxillofacial radiographic image observation and analysis of electronic equipment. 2. The use of the design product: an electronic device. 3. The design points of the design product: the graphical user interface. 4. The picture or photo that best shows the design points: design 3 front view. 5. Design 3 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface for running software programs and completing the operation of the oral corresponding position radiographic software reading system. 7. The human-computer interaction mode of the graphical user interface: design 1 front view shows the MPR function, MPR is a multi-planar reconstruction processing mode attached after CT examination, in order to observe the lesion, display the lesion, and serve for clinical diagnosis; design 2 front view shows the section function, which is an image reconstruction post-processing mode attached after CT examination, in order to observe the lesion, display the lesion, and serve for clinical diagnosis; design 3 front view shows the TMJ function, which displays the image reconstruction picture of the temporomandibular joint after CT scanning, in order to observe the lesion, display the lesion, and serve for clinical diagnosis. Design 4 front view shows the CEPH function, which is the image reconstruction picture of the lateral cephalogram in oral medicine, which helps doctors observe the relationship between the patient's craniofacial skeleton, teeth and soft tissue through X-ray imaging, and provides basis for developing correction scheme or surgical plan.

The invention relates to the technical field of oral and maxillofacial surgical operating instruments, and discloses a mandible condyle fracture precise and reliable reduction combined instrument which comprises a condyle tooth hook, a double-end drag hook, a V-shaped pusher and a large-angle drag hook which are all made of 17-4PH stainless steel. The condylar process tooth hook is of a double-end design, and the double-end draw hook has two working forms. According to the precise and reliable reduction combined instrument for the mandible condylar fracture and the application method, by arranging a special instrument set with the complementary functions of the condylar tooth hook, the double-end drag hook, the V-shaped pusher and the large-angle drag hook, view exposure, soft tissue protection and bone segment reduction and stabilization are all considered, meanwhile, a systematized operation scheme formed by the set instrument is achieved, and the operation efficiency is improved. The whole-course operation from soft tissue exposure to bone segment fixation is covered, the technical blank of the complete set of instruments in China is filled, and the standardization and efficiency of the operation are greatly improved.

The present application relates to the field of medical devices, in particular to a maxillofacial self-repositioning external fixation system and a construction method thereof. The present application provides a construction method of a maxillofacial self-repositioning external fixation device model, comprising: providing a three-dimensional model of a maxillofacial surface to be repaired, the three-dimensional model of the maxillofacial surface comprising a three-dimensional model of maxillofacial bones and a three-dimensional model of a maxillofacial surface; constructing a base based on the maxillofacial surface around the maxillofacial bone to be repaired; constructing a repositioning support part based on the maxillofacial surface of the healthy side corresponding to the maxillofacial bone to be repaired; and constructing a repositioning hole on the repositioning support part based on the force point of the maxillofacial bone to be repaired. The maxillofacial self-repositioning external fixation device and the maxillofacial self-repositioning external fixation system comprising the device provided by the present application not only have simple structure and are convenient to use, but also can effectively improve the maxillofacial bone repair effect during application, avoid repeated surgery, and can avoid unnecessary damage to the patient, greatly improving the treatment effect of maxillofacial injury related treatment.

1. Name of the product of this design: Maxillofacial bone prosthesis (special shape‑5). 2. Application of this product design: for maxillofacial bone repair. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a tumor clamping device for oral and maxillofacial surgery, and belongs to the technical field of surgical instruments, the tumor clamping device comprises a sleeve, the outside of the sleeve is connected with a positioning structure, one end of the sleeve is fixedly connected with a fence cover, the inside of the fence cover is fixedly connected with a transparent balloon, the center of the transparent balloon is provided with a suction hole, and the suction hole is communicated with the positioning structure. A conveying pipe is communicated with the interior of the transparent balloon, a suction pipe is communicated with the interior of the suction hole, the transparent balloon is used for making contact with the oral maxillofacial tumor during expansion, air between the tumor and the binding face of the transparent balloon is sucked through the suction hole and the suction pipe, and the air in the transparent balloon is released slowly. According to the invention, the transparent saccule and the air suction pipe are matched to continuously suck out the air between the transparent saccule and the air suction pipe, so that the transparent saccule can be firmly adsorbed to the outside of a tumor after releasing certain air, adsorption and clamping actions are integrally completed, the clamping effect on the tumor can be realized through soft wrapping clamping, and the tumor injury phenomenon caused by hard clamping is avoided.

The invention relates to an operation head lamp with a symmetry measurement function, belongs to the technical field of operation head lamps, and aims to solve the problems that an existing operation head lamp cannot meet the requirement for symmetry measurement in the operation and only depends on the vision and experience of an operator for judgment in facial plastic surgery of spinal surgery and maxillofacial surgery, so that the error influence is caused. In order to solve the problems that in the prior art, functional recovery or appearance of a patient after an operation is affected, the invention provides an operation head lamp with a symmetry measurement function, and the operation head lamp comprises a bridle, an angle adjusting seat, a fixing frame, a head lamp and a self-adaptive shading mechanism. The illumination requirements of precise illumination and deep narrow parts of a human body in an operation can be met, meanwhile, the operation requirement for symmetry measurement of the human body in the operation is met, a doctor can more accurately distinguish tissue details, more reliable illumination support and measurement assistance are provided for various operations, the operation efficiency is conveniently improved, and the operation effect is ensured.

The embodiment of the present invention discloses a method and system for oral and maxillofacial surgical image recognition and diagnosis based on deep learning. First, a three-dimensional oral and maxillofacial image data set of a target patient is obtained. Then, image feature extraction processing is performed on the three-dimensional image data set to obtain a hierarchical image feature set, including local anatomical structure features and global spatial distribution features. Then, a pre-trained multi-scale feature fusion network is called to perform multi-scale feature fusion on the hierarchical image feature set to generate a fused feature map. Based on the fused feature map, lesion area recognition processing is performed to determine the location information and morphological description information of the target patient's oral and maxillofacial abnormality area, and a diagnosis report is generated based on the location information and morphological description information of the oral and maxillofacial abnormality area, which is then transmitted to a medical terminal device for display, thereby improving the accuracy and efficiency of oral and maxillofacial surgical image diagnosis.

1. The name of the design product: surgical drill main machine. 2. The use of the design product: used in surgical operation to control and drive surgical drill to drill, saw, grind and so on the human maxillofacial bone. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

The invention discloses an anti-rollover medical stretcher for oral and maxillofacial trauma emergency treatment and a using method thereof.The anti-rollover medical stretcher comprises a stretcher body, a plane bearing assembly arranged on the stretcher body, side blocking assemblies arranged on the stretcher body and located on the two sides of the plane bearing assembly, and a dynamic gravity center adjusting assembly arranged on the stretcher body; the dynamic gravity center adjusting assembly is arranged on the stretcher body and used for dynamically adjusting the gravity center state of the medical stretcher so that the medical stretcher can be kept stable, the electric control module is arranged on the stretcher body and connected with the dynamic gravity center adjusting assembly, and an integrated forming structure is adopted, so that the structural strength is improved, and rollover caused by frame deformation is effectively avoided; the side blocking supports and the multi-point binding belts form double anti-sideslip protection, the offset of the body of a patient is reduced, the gravity center change is monitored in real time through the pressure sensor, the electric control module automatically controls the balance weight assembly to move, and the risk of rollover of the stretcher is effectively reduced.