14 results about "Human skull" patented technology

The utility model relates to the technical field of skull repairing, in particular to a splicable skull repairing system which comprises a first skull repairing piece, a second skull repairing piece and a plurality of connecting assemblies used for connecting the first skull repairing piece and the second skull repairing piece to the skull of the human body, and the first skull repairing piece and the second skull repairing piece are arranged in an up-down spaced mode. The first skull repairing piece comprises a plurality of first splicing strips which are arranged side by side in an abutting mode, the second skull repairing piece comprises a plurality of second splicing strips which are arranged side by side in an abutting mode, and the arrangement direction of the second splicing strips and the arrangement direction of the first splicing strips are staggered; a plurality of convex tongues are arranged on the second skull repairing sheet in an array mode, and a plurality of clamping grooves are formed in the first skull repairing sheet in an array mode; and the second skull repairing sheet is connected with the first skull repairing sheet through the clamping matching of the convex tongue and the clamping groove. The skull repair block has the advantages that the risk that the skull repair block collapses when bearing impact is reduced, the strength of the spliced skull repair block is improved, a patient is protected, the operation time is shortened, and the cost and the postoperative infection rate are reduced.

A tumor treatment field (TTField) is applied via an electrode embedded in a skull implant. By positioning capacitively coupled electrodes on opposite sides of the tumor and applying an AC voltage between the electrodes, a tumor treatment field (TTField) may be used to treat a tumor (e.g., a brain tumor) within a human's head. Unlike conventional methods, in which all electrodes are located on the scalp of a person, at least one of the electrodes is implemented using an implanted device. The implanted device includes a rigid substrate that is shaped and dimensioned to replace a section of the skull of a person. At least one conductive plate is secured to the inside of the rigid substrate, and a dielectric layer is disposed on the inside of the one or more conductive plates. The conductive lead is used to apply an AC voltage to the one or more conductive plates.

The utility model discloses a multi-purpose glasses frame and glasses without pressing the nose bridge and sliding down, which belong to the field of glasses, and comprise a pair of glasses frames or a pair of rimless glasses or a pair of eyebrow line frames and a pair of legs and / or a pair of glasses legs, and the pair of legs further comprise a pair of blocking pieces protruding towards the inner side and / or a pair of telescopic legs. The inner side portions of the pair of telescopic ear legs are provided with suction cup pieces and / or rotatable abutting pieces and / or further comprise a pair of stopping pieces which abut against and limit the concave portion below the mastoid process of the head. A human cranium-ear groove part is used as a fulcrum of the glasses legs to overcome the weight of the front part of the glasses, and in addition, the problem that the head and the ears of a human body are difficult to match due to different shapes is solved by utilizing the matching conversion among the telescopic leg rods, the telescopic ear legs, the propping pieces and the like; the problem that local discomfort or injury is possibly caused by the weight of the nose bridge supported by the nose pad when people use the glasses is solved, the trouble that the glasses slide down is avoided, the stability and the comfort are improved, and in addition, the function that one pair of glasses has multiple purposes can be achieved.

The present application relates to the technical field of 3D printing, in particular to a five-axis printing shell part support structure generation method, device, equipment and medium. The five-axis printing shell part support structure generation method disclosed by the present application first divides the curved surface of the shell part model into layers to obtain the bottom layer curved surface slice, identifies the overhanging edge to obtain the overhanging boundary line and projects to obtain the projected boundary line, determines the key boundary information, and generates the part support structure accordingly, which can better fit the shape of the part bottom layer and the overhanging condition, is suitable for shell parts such as human skull implants, overcomes the limitation of non-support printing, and the structure is generated according to the specific boundary line, thereby reducing the amount of support material and the difficulty of removal.

The invention discloses a human skull CT image preprocessing method and device based on deep learning, and belongs to the technical field of human skull CT image preprocessing. The method comprises the following steps: acquiring a CT image of a human skull; generating a human skull three-dimensional model based on the CT image of the human skull; the universal CT image and the microscopic CT image are subjected to registration; based on the CT image super-resolution reconstruction model, obtaining a super-resolution image of the CT image; and based on the de-noising network model, obtaining a high signal-to-noise ratio CT image corresponding to the super-resolution image. According to the method, the functions of registration, super-resolution reconstruction, noise removal and the like can be efficiently and objectively performed on the CT image of the human skull.

A lead fixation device for attaching a deep brain stimulation lead within in a burr hole in a human skull. The lead fixation device may comprise a mounting plate and an insertion collar extending from a lower surface of the mounting plate and configured to be received in within the burr hole in the human skull. The mounting plate may comprise a mounting flange, a first arm and a second arm. The mounting flange and the first arm may comprise a static mounting hole while the second arm may comprise an adjustable mounting hole. The second arm may be movable to an operating position when the second arm is compressed toward the first arm, the inner walls of the first and second arms are substantially parallel, and the mounting screw is tightened within the adjustable mounting hole when the second arm is in the operating position.

The present invention discloses a method for systematic restoration of temporomandibular joint motion based on multimodal fusion, the steps of which are as follows: static data acquisition; dynamic data acquisition; data combination registration and binding to obtain a facial registration model, a skull maxillary binding model, and a mandibular mandibular binding model; video solution to obtain dynamic lower marker plate position data and bind it to the mandibular mandibular binding model to obtain a mandibular mandibular dynamic binding model, the facial registration model, the skull maxillary binding model, and the mandibular mandibular dynamic binding model are combined to obtain a patient's skull facial dynamic model with mandibular mandibular dynamic information, thereby accurately restoring the patient's true oral state. The restoration method of the present invention directly collects jaw motion data from video images, and after optimization processing, performs motion reproduction and visualization on a human skull model, which can achieve fast and accurate trajectory reproduction, help doctors perform treatment and testing, improve medical efficiency and quality, and take into account economy.

The utility model relates to the technical field of detection and protection, and discloses a protective product dead cavity performance tester which comprises a test box body, one side of the upper surface of the test box body is fixedly connected with a telescopic frame, the surface of the telescopic frame is fixedly connected with a display instrument body, and the other side of the upper surface of the test box body is provided with a mold assembly. According to the utility model, through the arrangement of the mold assembly, a person can conveniently test a protective product without directly contacting with the test box body through the telescopic frame capable of adjusting the position, then through the arrangement of the main mold and the auxiliary mold, the person can sleeve the protective product on the surface of the mold, and the appearance shape of the mold is consistent with that of the head of a human body; therefore, the test can be carried out under the condition of being close to the real use environment, data closer to the actual use effect are obtained, the two molds with different sizes are adopted, personnel can measure two different types of protection products at the same time, and the test efficiency of the protection products is improved.

Tumor therapeutic fields (TTFields) can be used to treat tumors (such as brain tumors) within a person's head by positioning capacitively coupled electrodes on opposite sides of the tumor and applying an AC voltage between the electrodes. Unlike conventional methods where all electrodes are located on the scalp, at least one of the electrodes is implemented using an implanted device. The implanted device includes a rigid substrate shaped and sized to replace a segment of the human skull. At least one conductive plate is attached to the inside of the rigid substrate, and a dielectric layer is disposed on the inside of one or more conductive plates. Conductive leads are used to apply an AC voltage to the one or more conductive plates.

An affixation device for a human skull may include a base plate that has an outer area for securing to the skull and an inner area for securing to a bone flap removed from the skull. The affixation device may also have at least one spacer located between the outer area and the inner area, where the at least one spacer extends from a first surface of the base plate, where the first surface facing the skull when the fixation device is in an installed state, and where the at least one spacer is configured to extend between the bone flap and the skull in the installed state.

A sensor arrangement (2) for detecting an intracranial pressure, said arrangement (2) comprising: a housing (8) defining an internal space (15a; 15b) which is configured for accommodating a pressure sensor device (9) and an electronic control unit (14) to which said pressure sensor device (9) is connected; and fastening means (7; 2b) cooperating with said housing (8) and being configured for mounting said arrangement (2) in a human skull bone (3). Furthermore, the housing (8) is arranged with an opening (11) which is covered by a membrane (12) being made of titanium or a similar thin and flexible material, and is configured for generating vibrations in accordance with an existing outer pressure, said vibrations being transferred to said pressure sensor device (9) via a medium which fills the internal space (15a); wherein said pressure device (9) is located within the internal space (15a) which is formed by said housing (8) and the membrane (12) covering the opening (11); and wherein the sensor arrangement (2) is enclosed within a duct (24) extending from an inlet (25) connected to a cavity within said skull bone (3) and connected to an outlet (26), said duct (24) being configured for guiding a fluid from said inlet (24) to said outlet (26) via said sensor arrangement (2).

An intracranial implant sensing device includes a flange receivable within a burr hole formed in a human skull and defining an elongated slot. The device further includes an elongate body having an arcuate sidewall defining an open guide for a ventricular catheter. The elongate body is connected to the flange such that a portion of the sidewall is disposed within or at a perimeter of the slot. A sensing electrode of the device is connected to the sidewall of the elongate body.

The real-time bone-air integrated voice communication mask and the bone-air integration method in extreme environments of the present invention belong to the technical field of bone-conduction voice communication; the mask includes: a mask body and silicone mask straps arranged on both sides of the mask body, a bone conduction microphone is arranged at the nasal wing position of the mask body, and the bone conduction microphone is used to receive bone voice signals from the nasal wings of the user. A reference noise bone microphone is arranged at a position on the outer side of the mask body that does not directly adhere to the human skull, and the reference noise bone microphone is used to collect environmental noise that may contaminate the bone conduction microphone. An air conduction microphone is arranged at a position below the lips and not in contact with the human body when worn inside the mask body. The notch filter-based frequency tracking preprocessing active noise reduction technology is introduced, and an adaptive update algorithm with variable boundaries of filtering error is proposed to train the volterra model in real time to achieve robust online intelligibility enhancement of bone-conducted speech, and at the same time adaptively reduce the narrowband vibration noise component homologous to air-conducted speech in bone-conducted speech.

The application discloses a bone conduction mobile phone shell and a manufacturing mold and method thereof, which comprises a mobile phone shell body, the mobile phone shell body comprises a first shell and a second shell, the first shell is configured to accommodate a mobile phone body, and the second shell is configured to form an electronic element chamber and realize processing and playing of mobile phone media sound; the first shell is provided with a first opening and a first storage cavity communicated with the first opening; the second shell is arranged on one side of the first shell, the second shell is provided with a second opening and a first accommodating cavity communicated with the second opening, the first accommodating cavity forms the electronic element chamber, and the opening direction of the second opening is opposite to that of the first opening; the bottom plane of the second shell is flush with the first opening, and the bottom plane of the second shell is configured to form a bone conduction surface and contact a human skull; after being processed, the media sound of the mobile phone is conducted to the skull through the bottom plane of the second shell, and the bone conduction surface of the mobile phone shell has good conduction performance.