15 results about "Temporal bone" patented technology

The invention discloses a cochlea volute tube helix automatic extraction method based on a temporal bone CT image, and belongs to the technical field of medical image processing. Through cochlea segmentation, cochlea tube helix extraction and cochlea tube helix nonlinear fitting, full-automatic analysis of the cochlea tube helix is achieved, the problems that traditional cochlea measurement is low in efficiency and large in error are solved, a high-precision anatomical evaluation tool is provided for artificial cochlea implantation, and the cochlea tube helix extraction method is suitable for cochlea implantation. The clinical practicability and scientific research value are realized.

The invention discloses a parameter measurement system and method based on external auditory canal three-dimensional reconstruction, and relates to the technical field of parameter measurement, and the system comprises a scanning module which is used for obtaining a temporal bone scanning image; the boundary extraction module is used for performing external auditory canal boundary extraction on the temporal bone scanning image to obtain external auditory canal boundary features; the model building module is used for building an external auditory canal three-dimensional model according to a moving cube algorithm based on external auditory canal boundary features; the interception module is used for performing dynamic interception according to the external auditory canal three-dimensional model to obtain an external auditory canal continuous cross section; and the map construction module is used for carrying out multi-dimensional measurement analysis and constructing an external auditory canal parameter mapping map. The technical problems that in the prior art, external auditory canal morphological analysis is low in precision and lacks continuity and three-dimensional structure information are solved, and the technical effect of high-precision, continuous and visual external auditory canal three-dimensional parameter measurement and mapping is achieved by introducing threshold value self-adaptive segmentation, moving cube three-dimensional modeling and multi-dimensional parameter analysis.

This invention discloses a drilling path planning method, storage medium, and device for cochlear implantation, belonging to the field of path planning technology in cochlear implantation. This invention solves the problems of low efficiency and easy introduction of path deviation in existing path planning methods. The invention preprocesses preoperative three-dimensional CT images and integrates anatomical structural models to extract three-dimensional spatial geometric information of key tissues within the temporal bone, including the facial nerve and cochlea. Subsequently, combined with prior medical knowledge, the drilling path for the cochlear implant electrode is automatically planned in three-dimensional space to minimize damage to key nerves and ensure surgical safety. The path planning method of this invention is applicable to cochlear implantation surgery assisted by medical robots, significantly reducing reliance on the doctor's subjective judgment, improving the individualized adaptability and efficiency of path design, and effectively avoiding path deviation caused by human subjective judgment. This invention can be applied to path planning in cochlear implantation surgery.

The invention discloses a temporal bone U-HRCT image ear multi-class standard plane automatic positioning method, and relates to the field of medical image processing, and the method comprises the steps: obtaining temporal bone U-HRCT image data, and carrying out the preprocessing of the image data, and obtaining an enhanced ossicular chain region of interest; defining the enhanced ossicular chain region of interest as an environment of a reinforcement learning framework, and obtaining respective states from the environment by the intelligent agents through respective plane parameters; calculating an average normal vector and an average intercept of each standard observation surface based on the training set label data, and taking the average normal vector and the average intercept as initial plane parameters of the intelligent agent; a multi-agent strategy network is adopted, a differentiated action space is customized for each standard observation surface, and plane positioning is guided through a dual reward function; evaluating a plane positioning result in real time by using a termination discrimination network, and determining whether to terminate the search process of the multi-agent strategy network according to the evaluation result; therefore, end-to-end automatic positioning of the standard observation surface of the ossicular chain is realized, and the positioning efficiency is improved.

To provide a pillow enabling a user to hold the neck in a natural posture without giving extra forces around the neck or the shoulders in a supine posture.SOLUTION: A pillow has a three-dimensional shape having a posterior parietal reception part receiving everything around the posterior parietal, a part on a cervical vertebrae 34 side or a part on a temporal region 36 of a user in a supine posture in the state mounted on a floor surface, when a part of a user's back of the head 31 protruding most is the posterior parietal 32 and a cervical vertebrae mounting part which succeeds to the posterior parietal reception part and may mount the cervical vertebrae of the user in the supine posture. The cervical vertebrae mounting part has at least a width of the cervical vertebrae of the user in the supine posture. The pillow can reduce load on the cervical vertebrae mounting part of the back of the head of the user in the supine posture and may hold the neck of the user in the supine posture in a natural posture by receiving everything around the posterior parietal, the part on the cervical vertebrae side, or the part on the temporal region side of the user in the supine posture by the posterior parietal reception part.SELECTED DRAWING: Figure 2

The invention discloses an artificial cochlea implantation grinding path planning method, a storage medium and equipment, and belongs to the technical field of path planning in artificial cochlea implantation. The problems that an existing grinding path planning method is low in efficiency, path deviation is likely to be introduced, and the individualized adaptive capacity of a planned path is poor are solved. According to the method, the preoperative CT image is preprocessed by fusing the anatomical structure model, and the key structure in the temporal bone can be accurately positioned in the preoperative CT image, so that the three-dimensional space geometric information of the key structures of the cochlea, the vestibule and the facial nerve is extracted. According to the method, the grinding path of the artificial cochlea operation area is automatically planned in the three-dimensional space in combination with prior medical knowledge, introduction of path deviation is avoided, the individualized adaptive capacity of path design is improved, the safety of the operation is ensured, and compared with an existing method, the path planning efficiency is improved. The method can be applied to medical robot assisted artificial cochlea implantation operations.

This invention provides an embedded periscope-type mining safety helmet and health monitoring system, comprising: a helmet shell body with a reinforcing rib groove inside the brim; an eye-tracking module, at least partly located within the reinforcing rib groove, for collecting eye movement characteristic parameters of the helmet wearer; an environmental monitoring module located on the side of the helmet shell body for monitoring environmental parameters; a physiological monitoring module located in the lining of the helmet shell body for collecting the wearer's physiological parameters; a counterweight module located at the rear of the helmet shell body for balancing the center of gravity of the mining safety helmet; an alarm module located on the side facing the counterweight module for generating alarm information; a bone conduction vibration module located in the lining corresponding to the wearer's temporal bone for converting electrical signals into mechanical vibrations and transmitting them to the wearer's skull; and a controller located at the rear of the helmet shell body for monitoring the wearer's health status, activating the alarm module and bone conduction vibration module to provide a warning when an abnormal state is detected.

The runway-shaped bone conduction vibrator comprises a main body piece, the main body piece is arranged to be in a closed annular runway shape, the main body piece is arranged to be of a hollow structure with an upper opening and a lower opening, the long axis direction of the main body piece is matched with the temporal bone trend behind the ear of a human body, and a silica gel cover is installed at the position of the opening in the top of the main body piece. A silica gel cover is arranged on the main body part, a vibrating reed is arranged below the silica gel cover in the main body part, a PCB (Printed Circuit Board) is arranged at an opening in the bottom of the main body part, a coil is arranged on the PCB, a magnet is arranged between the vibrating reed and the PCB, and a plurality of anti-skid bulges are arranged on the outer side wall of the main body part. According to the utility model, through the bionic runway-shaped structural design, the vibration transmission direction and the pressure distribution of the contact surface are optimized, and the wearing comfort, the sound conduction efficiency and the equipment stability are improved; meanwhile, the anti-skid protrusions are arranged on the outer side of the main body piece, the stability of the bone conduction vibrator after being worn is further improved, and the sound transmission effect is good.

The invention provides a multi-modal screening system and method for candidate patients for cochlear implantation of senile deaf patients. The method comprises the steps that the relative telomere length of leukocyte DNA in peripheral blood sample data of the senile deaf patients and a temporal bone three-dimensional image of the senile deaf patients are obtained; analyzing the temporal bone three-dimensional image to obtain an oval window width and an included angle between a facial nerve level segment and a projia; obtaining an electric evoked compound action potential signal of the auditory nerve of the senile deafness patient under the electric stimulation effect of the preset parameters, and obtaining a filtered electric evoked compound action potential signal; based on the telomere relative length, the oval window width, the included angle and the filtered electric evoked composite action potential signal, candidate patients suitable for cochlear implant implantation are judged; according to the technical scheme provided by the invention, the construction of a comprehensive evaluation system is realized, so that the artificial cochlea implantation fitness of the patient is evaluated more accurately, and the scientificity and reliability of candidate patient screening are improved.

The invention discloses a temporal bone styloid process and neck blood vessel CT examination action assisting device and method, and relates to the field of action assistion.The temporal bone styloid process and neck blood vessel CT examination action assisting device comprises a bottom plate, a containing unit is fixedly connected to the top of the bottom plate, an action assisting unit is fixedly connected to the top of the containing unit, and a CT host is fixedly connected to the outer surface of the bottom plate; a CT rack is fixedly connected to the top of the CT host, a post-processing unit is fixedly connected to the end, close to the CT host, of the bottom plate, a patient needs to lie in the containing unit, the containing unit can drive the patient to enter the CT rack, meanwhile, the patient needs to inject a CT contrast agent from the elbow vein, and the CT contrast agent can enter the post-processing unit. Afterwards, the action assisting unit can drive the patient to do actions such as left-right neck turning, head raising and head lowering.

The application discloses a photoacoustic non-line-of-sight imaging method, which utilizes the strong reflection of the inner wall of the skull to ultrasonic waves to receive the photoacoustic signals generated by the tissues (such as brain blood vessels) in the non-line-of-sight range. After detecting the photoacoustic signals in the non-line-of-sight range reflected by the skull, the photoacoustic image in the non-line-of-sight range can be recovered through corresponding signal and image processing algorithms. Compared with the prior art, the application has the following beneficial effects: the application utilizes the strong reflection effect of the inner wall of the skull to the sound wave signals to analyze the multiple reflection propagation processes of the sound waves in the skull from the limited imaging angle of the temporal bone region, thereby reconstructing the intracranial image outside the straight line angle and realizing the whole brain photoacoustic imaging.

The invention relates to a bone-conduction hearing implant (100) comprising a subcutaneous implantable module (110) comprising a permanent magnet (111), a first near-field electromagnetic induction antenna (112), and a first transducer (113). In one particular embodiment, the module has a magnetized one-piece body. The permanent magnet (111) and the first transducer (113) define, respectively, a first surface SDC1 of contact and a second surface SDC2 of contact with the temporal bone OT. The module is positioned in a subperiosteal space ESP, the natural tension of the periosteum maintaining the elements without invasive anchoring. The implant interacts with a sound processor (200) and a microphone, both of which are configurable externally or internally. There are two modes of operation: internal transduction via the first transducer (113) using bone-conduction ultrasound technology and SDC2, and external transduction via the permanent magnet (111) and SDC1. A detection system (114) monitors the first transducer and ensures automatic switching. This non-invasive approach provides a scalable solution for different types of hearing loss.

The invention relates to the field of teaching model equipment, in particular to a nasal cavity teaching model which comprises a whole model body, the whole model body is a complete skull composed of a frontal bone, a parietal bone, a temporal bone, a cheekbone, an occipital bone and a butterfly bone, a nasal cavity body is installed in the front face of the whole model body, and a nose model is arranged outside the nasal cavity body. A nose model is arranged outside a nasal cavity main body, the nasal cavity main body is inserted into a whole model, an open groove attached to the nasal cavity main body is formed in the whole model, the outer side of the nasal cavity main body is made of a transparent material, and an internal nasal cavity structure can be directly seen; a nasal cavity is formed in the nasal cavity main body, and an upper nasal meatus, a middle nasal meatus and a lower nasal meatus are arranged in the nasal cavity; the upper turbinate, the middle turbinate and the lower turbinate are arranged among the upper nasal meatus, the middle nasal meatus and the lower nasal meatus, the internal structure of the nasal cavity body can be conveniently and rapidly known, and the nasal cavity body can be conveniently placed into the whole model through the clamping blocks.

Embodiments of the present disclosure relate to an electronic headset system which is wirelessly controlled and is used to treat a tinnitus disorder. The system includes an electronic headset and an electronic communication device, such as a smartphone, a wearable device, laptop, tablet, desk top computer, server, and the like or any combination thereof. The electronic headset includes at least one treatment pad and emits complex signals which are converted into vibrations by the treatment pad and are transmitted to a user's cochlea when the electronic headset is worn, thereby alleviating the symptoms of the user's tinnitus disorder. Particularly, complex signals are applied to the Temporal Bone of the skull by the pads positioned in front of the ear, or the tragus, which is the protruding cartilage at the front of the ear. This allows the vibration to be carried by the temporal bone, through conduction to the cochlea and cilia nerves in the cochlea and other parts of the inner ear.

The utility model discloses a kind of bone conduction wearing devices, including bone conduction module and head beam support;Bone conduction module includes sound conversion part and conduction plate, conduction plate is contacted with temporal bone;The device passes through temporal bone and transmits vibration to inner ear, i.e. pass through temporal bone and transmit sound to inner ear, and the efficiency of conduction is higher.And head beam support is conducive to improving the comfort of wearing.Also including first power supply system or second power supply system;When setting first power supply system, the first power supply system is located in the middle of head beam support;When setting second power supply system, the second power supply system is located in the end of ear hook.