10 results about "Hyoid bone" patented technology

The application discloses a preparation method of an interpenetrating phase ceramic dental material and belongs to the technical field of biomedical materials. The application is based on the porous foam structure and cavity tissue of bird skeletons for biomimetic design, two kinds of biomimetic bird bone structures combining the characteristics of annular hyoid structures and cavity tissues are established, and according to the bird skull cooperative damping mechanism, a mortise and tenon structure with the characteristics of cooperative bearing and buffering is constructed, the structure has more excellent mechanical bearing performance and deformation stability compared with a traditional structure. The zirconium oxide-hydrogel interpenetrating phase material prepared by a photo-crosslinking method, the composite design of the soft phase and the hard phase material not only significantly improves the energy absorption characteristics of the material, but also effectively improves the fracture toughness of the dental material. On this basis, a functional coating is constructed on the surface of the material by using a sol-gel dip coating process, and the problems of insufficient corrosion resistance and wear resistance of the dental material in the oral environment are further solved.

This invention discloses a vibration reduction and shock-resistant method and system for aerospace sensors in the field of aerospace equipment technology. The system includes a bracket and a sensor mounting base, which are fixedly connected by a first bolt. A vibration reduction and shock-resistant device is sleeved on the portion of the first bolt located between the bracket and the sensor mounting base. The vibration reduction and shock-resistant device includes a sleeve sleeved on the first bolt, with the inner wall of the sleeve threadedly connected to the first bolt. An end cap is threadedly connected to the middle of the outer wall of the sleeve, completely enclosing the lower part of the sleeve. A vibration reduction and shock-resistant space is left between the outer wall of the sleeve and the inner wall of the end cap. A multi-layered vibration reduction and shock-resistant structure resembling a woodpecker is provided within the vibration reduction and shock-resistant space. The multi-layered vibration reduction and shock-resistant structure resembling a woodpecker includes a beak layer, a hyoid bone layer, a cancellous layer, and a cranial cerebrospinal fluid layer arranged sequentially from the outer wall of the sleeve to the inner wall of the end cap. This solution, based on the vibration reduction mechanism of a woodpecker's head, can effectively disperse residual energy, allowing impact energy to be transmitted in multiple directions.

The application relates to the technical field of ultrasonic diagnosis, and provides a hyoid-larynx complex mobility evaluation method based on wearable ultrasound, which comprises the following steps: S1: collecting neck superficial tissue ultrasonic signals, continuously acquiring an ultrasonic image sequence containing hyoid and C2-C4 cervical vertebra anatomical structure images; S2: adopting a two-stage intelligent recognition and tracking strategy of initialization calibration+real-time tracking, automatically recognizing and continuously marking the position information of a point; S3: taking the line connecting the C2 cervical vertebra lower front edge point and the C4 cervical vertebra lower front edge point as a reference to establish a relative coordinate system; S4: based on the relative coordinate system, extracting real-time coordinates of a hyoid upper edge point in the whole process of a swallowing event, and calculating the position change amount of the marking point relative to the coordinate system; and S5: outputting the position change amount of the hyoid upper edge point as a core quantitative index of the hyoid movement amplitude. Relying on the scene advantages of ultrasonic noninvasive quantification and wearable devices, real-time, continuous and objective detection of hyoid displacement and related biomechanical parameters is realized.

The invention belongs to the technical field of vocal music training and muscular fascia rehabilitation, and discloses a facial fascia release training method and device for recovering high pitch ability, which comprises a fascia pen, a penholder, an acupoint pressing bead and a shovel blade head and comprises the following steps: dynamic looping probing release, static pressing fascia release, superficial fascia shearing separation and sound production function consolidation training. Through functional division of the acupoint pressing bead and the shovel blade head, and by matching with definite pressure intensity and displacement amplitude, stepped release of deep exploration, fixed-point release and superficial layer shearing is realized, and the multifunctional acupoint pressing shovel can accurately act on musculus such as masseter, intrawing muscle, extrawing muscle, hyoid superior and subordinate muscle groups and sternoclavicular mastoid muscle as well as key parts such as fascia intersections, so that the operation is simple and convenient. The fascia adhesion problem causing high pitch difficulty is directly solved, and the defect that in traditional training, only vocal cord functions are practiced, sound production habits are corrected, and sound production obstacle roots are not solved from the physical level is overcome; the shovel blade head adopts the smooth arc-shaped cutting edge design, the acupoint pressing bead is round and free of edges and corners, the whole process is non-invasive operation in cooperation with scientifically controlled pressure intensity and sliding amplitude, damage to skin, muscles or vocal cords cannot be caused, and the shovel blade head is suitable for crowds with high pitch increasing requirements such as vocal music learners and occupational singers and also suitable for people with high pitch increasing requirements. And the device is also suitable for common users who have difficulty in sound production due to improper long-term sound use and muscular tension, can perform preliminary operation without professional guidance, and is beneficial to practical application and popularization.

The application provides a virtual simulation method and device for individual mandibular movement based on forward and reverse multi-body dynamics, the method combines personalized forward dynamic parameters and personalized reverse dynamic parameters, considers position changes of hyoid bones in a virtual simulation process, and adopts a forward and reverse bidirectional simulation combined mode to perform virtual simulation on mandibular movement of a patient, so that the virtual simulation can maximally predict postoperative movement forms of the patient.

The present invention provides a hyoid-laryngeal suspension device and system for treating sleep disordered breathing (SDB). The device includes a first fastener, the size and structure of which are set to anchor to the patient's hyoid bone or thyroid cartilage, and a second fastener, the size and structure of which are set to anchor to the patient's sternum, clavicle or ribs. One end of a static member or elastic member is connected to the first fastener, and the opposite end is connected to the second fastener. The elastic member has sufficient elasticity to dynamically elevate the pharynx and / or larynx to allow speaking and swallowing. The static member has sufficient tension to maintain appropriate pharyngeal wall tension while still allowing sufficient movement of the hyoid bone and thyroid cartilage to achieve speaking and swallowing functions.

The invention discloses a preparation method of an interpenetrating phase ceramic dental material, and belongs to the technical field of biomedical materials. Bionic design is carried out based on a porous foam structure and a cavity tissue of bird bones, two bionic bird bone structures combining annular tongue bone structure characteristics and the cavity tissue are established, mortise and tenon matching design is carried out according to a bird skull collaborative vibration reduction mechanism, and the bionic bird bone mortise and tenon structure with collaborative bearing and buffering characteristics is constructed. Compared with a traditional structure, the structure has more excellent mechanical bearing performance and deformation stability. According to the zirconia-hydrogel interpenetrating phase material prepared by a photo-crosslinking method, due to the composite design of a soft-phase material and a hard-phase material, the energy absorption characteristic of the material is remarkably improved, and meanwhile, the fracture toughness of a dental material is effectively improved. On the basis, a functional coating is constructed on the surface of the material by adopting a sol-gel dip-coating process, so that the problem that the dental material is insufficient in corrosion resistance and wear resistance in an oral environment is further solved.

An OSA severity prediction method based on upper airway CT imageomics belongs to the field of medical artificial intelligence processing, and comprises the following steps: performing three-dimensional sketching on six anatomical structures of soft palate, tongue body, palate posterior airway, tongue posterior airway, tongue bone and mandible through combination of multi-region segmentation and fusion region segmentation; constructing a multi-region imageomics model and a fusion region imageomics model, and forming a full upper airway imageomics WUAR prediction model on the basis of the multi-region imageomics model and the fusion region imageomics model; in combination with demographic and anthropometric parameters, a plurality of machine learning algorithms are utilized to model polysomnogram AHI grading, and data of different medical centers are respectively used as a training set and an independent external test set to train and verify the model. According to the method, the overall morphological characteristics of the upper airway soft tissue and the bony constraint structure can be more comprehensively reflected, the accuracy and generalization ability of OSA severity risk layering are improved, and the method is suitable for clinical prospective screening and individualized treatment strategy making.

Described are examples of a training simulator for direct laryngoscopy, which reproduce the dynamics of the human airway and hyoid bone movement observed in the human anatomy during movement of the somatic skeleton and direct laryngoscopy procedures. Training simulators can include a skeleton structure having a styloid process analogue, a mandible analogue, and a longitudinally extending column configured to move between an extended state and a flexed state. A suspension chain can extend parallel to the column and be configured to move with the column. The suspension chain can include a hyoid analogue coupled to the styloid process analogue, the mandible analogue, and an anchor point situated along the column of the skeleton structure. Training simulators can also include a glottis analogue, the visibility of which can be greater when the column is in a flexed state, than when the column is in an extended state.

There is described a mandibular advancement device (10), MAD. The MAD comprises an upper member (11) and a lower member (12). The upper member is configured to adapt to the maxilla of the user. The lower member is configured to adapt to the mandible of the user. The MAD is configured to apply a forwards and upwards force on the mandible so as to tension the hyoid bone via the genial tubercles of the user. A corresponding method for manufacturing a MAD is also described.