58 results about "Skull" patented technology

The invention provides an orthodontic skull lateral film cervical vertebra image segmentation method and system. According to the method, an orthodontic skull side position film image to be processed is obtained, a target image area containing a second cervical vertebra, a third cervical vertebra and a fourth cervical vertebra is determined, then image preprocessing is carried out on the target image area to obtain a standardized input image, then the standardized input image is input into a CNN-Transformer fusion segmentation network for segmentation reasoning, and the image is obtained. According to the method, the centrum segmentation masks of the second cervical vertebra, the third cervical vertebra and the fourth cervical vertebra are output, and finally, the segmentation result is output based on the centrum segmentation masks, so that the segmentation result is output based on the centrum segmentation masks, and a repeatable and traceable objective basis can be provided for subsequent morphological parameter extraction and bone age / maturity quantitative evaluation; the subjective deviation and time cost of manual sketching are practically reduced, and the segmentation consistency and availability under the cross-individual and cross-equipment condition are improved.

The invention belongs to the technical field of medical instruments, and discloses a neurosurgery head frame capable of achieving image recognition and position adjustment and a using method, and the neurosurgery head frame comprises a supporting base, a head supporting ring and a plurality of fixing head nail suites; the top end of a vertical plate of the supporting base is provided with an arc-shaped groove sliding way which is arranged in an inwards-concave mode, a plurality of fixing head nail sets are detachably installed on one side face of the head supporting ring in the circumferential direction of the head supporting ring and can abut against and make contact with the head of a patient to fix the head, and the head supporting ring is installed on the arc-shaped groove sliding way in a sliding mode. The head supporting ring and the arc-shaped groove slide way are locked through a locking screw, the rotation angle of the head supporting ring in the arc-shaped groove slide way can be adjusted by unscrewing the locking screw, and then the head position rotation angle of the head is adjusted. The supporting base and the head supporting ring are provided with a plurality of identification point positions. The head frame can provide fixation of different head positions required by an operation, is suitable for various different head neurosurgery operations, and can quickly recognize the change of the head position through an image.

The application relates to the medical imaging technical field and discloses a motion detection method and device for a perfusion scanning process and a CT scanning device, wherein the motion detection method comprises the following steps: acquiring an image of a current scanning circle; performing skull region segmentation on the image of the current scanning circle to obtain a skull mask image of the current scanning circle; comparing the skull mask image of the current scanning circle with a target skull mask image to determine an overlapping degree index; and determining the motion condition of the patient's head according to the overlapping degree index. The image reconstructed by the current scanning circle is acquired in real time during the scanning process, the image of the current scanning circle is subjected to skull region segmentation to obtain a skull mask image, and the overlapping degree index of the skull mask image of the current scanning circle and the target skull mask image is determined, so that the motion condition of the patient's head can be quantitatively evaluated, and the motion detection accuracy is improved.

A perforator for cutting a hole in bone tissue is provided. The perforator comprises an anchor, a hole cutter configured to rotate around the anchor, and conversion means for converting rotational motion of the hole cutter around the anchor into linear motion of the hole cutter towards the material to be cut. The invention is usable to cut holes in a wide variety of materials, in particular for a perforator for cutting a hole in a skull of a human or animal. A kit of parts and a method of cutting a hole are also provided.

The present application provides a light treatment device for suppressing or preventing Alzheimer's disease. A light treatment device includes a carrier structure and an array of near-infrared irradiation units. The bearing mechanism forms an accommodating space for the head of the object and bears the array of the near-infrared irradiation units. The array of near-infrared irradiation units is configured such that near-infrared light is emitted into the accommodation space, when the head of the subject is in place, an irradiation space range covering at least the anterior upper cranial portion, the top cranial portion, the left cranial portion and the right cranial portion is formed, and the time-average total irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more, and the irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more. Or more than 70W, and the space-time average optical power density irradiated to each part does not exceed 230mW / cm < 2 >. The light treatment device does not depend on nasal and ocular irradiation, achieves an optimized treatment effect on AD patients from MCI to dementia during the course of treatment, and not only effectively maintains the treatment effect but also continuously increases the treatment effect when the light treatment is interrupted.

The invention provides a soft tissue adaptive enhancement method and enhancement device for a skull side position film, and the method comprises the steps: calculating a binarization threshold value of a skull side position image according to a gray level histogram and a cumulative distribution function, and generating a binary image of the skull side position film according to the binarization threshold value; extracting a mouth and nose soft tissue region from the binary image; carrying out local self-adaptive dynamic enhancement on the extracted mouth and nose soft tissue area; and carrying out weighted fusion on the enhanced mouth and nose soft tissue area image and the original image of the skull side position film to form a soft tissue enhanced image of the skull side position film. According to the method, the binarization threshold value of the skull side bitmap is calculated by fully utilizing the rule of the brightness range of the mouth-nose soft tissue area, the mouth-nose soft tissue area image can be accurately positioned, and through the local self-adaptive dynamic enhancement and image fusion technology, on the premise that gray level distribution of other anatomical structures is not damaged, the image fusion precision is greatly improved. The visual effect of the mouth and nose soft tissue area image is obviously improved, and more reliable image support is provided for clinical diagnosis.

The invention relates to the technical field of biomedical materials, and discloses a preparation method of an injectable composite support material for denasal endoscopic skull base reconstruction, and the method comprises the following steps: preparing a component A aqueous solution and a component B non-aqueous phase paste; the component A comprises a hyaluronic acid derivative grafted with dopamine and alginate. The component B is paste in which calcium salt solid-phase particles, enzyme, polymer microspheres and nanoscale fumed silica are dispersed in a non-aqueous phase dispersion medium, and the nanoscale fumed silica is used for inhibiting solid-phase particle sedimentation. According to the method, the prepared component A and the prepared component B are respectively packaged in a double-component application device. According to the invention, active components are isolated in a non-aqueous phase, and controllable operation time, firm adhesion to tissues and mechanical support provided by polymer microspheres are realized through a staged curing mechanism of ionic crosslinking and enzymatic crosslinking during use; the problem that an existing material is difficult to consider storage stability, operation convenience and composite functionality at the same time is solved.

The strabismus demonstration model comprises a head model and an eyeball model assembly, the head model is provided with eye sockets, the eyeball model assembly is installed in the eye sockets and comprises eyeball beads and extraocular muscle simulation assemblies, the eyeball beads are connected with the extraocular muscle simulation assemblies, and the extraocular muscle simulation assemblies are connected with the eyeball beads. The eye muscle simulation assembly comprises six elastic rubber strips, a large fixing ring and a small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at corresponding positions. According to the strabismus demonstration model, the head model and the eyeball model assembly are arranged, the eyeball model assembly comprises the six elastic rubber strips, the large fixing ring and the small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at the corresponding positions; therefore, strabismus formation and treatment effects can be visually displayed, and doctors, patients and family members of the doctors, the patients and the family members of the doctors can conveniently understand complete extraocular muscles and strabismus surgery principles.

An implantable cranial medical device (100) includes a first fluid flow path, a second fluid flow path, and upper flange portion (110), and a lower portion (120). The upper flange portion (110) is configured to rest on a skull of a subject about a burr hole. The lower portion (120) is configured to be placed within the burr hole. The first fluid flow path may extend from a first opening (150) in the upper flange portion (110) to a first opening (132) in the lower portion (120). The second fluid flow path may extend from a second opening (140) in the upper flange portion (110) to a second opening (134) in the lower portion (120).

This invention relates to a head frame assembly, comprising: a base configured for fixation to a patient's skull, the base including a support, a plurality of biocompatible screws mounted on the support, and a radiopaque ring, wherein the radiopaque ring has a zero-scale point, and the radiopaque ring and the zero-scale point are identifiable by CT or MRI imaging technology; a head frame including: a support frame; a planar rotating ring rotatably mounted on the support frame; a top cover mounted on the planar rotating ring and having a dial displaying a rotation angle φ; a swing arm consisting of a horizontal axis and a vertical axis, the swing arm being configured to swing controllably by a swing angle θ and to rotate controllably with the planar rotating ring by a rotation angle φ; wherein the vertical axis is axially hollow, defining a puncture channel for removable insertion of a puncture needle; wherein the head frame is removably fixed to the base.

The application relates to the technical field of medical devices, in particular to a craniotomy device for neurosurgery, which comprises a surgical bed, an adjusting part and a craniotomy part, the bottom surface of the surgical bed is provided with a base, the top surface of the surgical bed is symmetrically provided with bases, the adjusting part is slidingly installed on the bases, the craniotomy part is slidingly connected with the adjusting part, the end surface of the craniotomy part is arranged towards the surgical bed, the surface of the craniotomy part is provided with a positioning part, and the positioning part can be in contact with the head of a patient; the craniotomy direction can be adjusted to meet the operation requirements of different directions, and the craniotomy equipment can be positioned to improve the drilling precision.

The invention relates to a mouse simulator for stereotactic surgery training, which comprises a head having a hollow skull. The simulator also comprises an electronic detection assembly comprising a sensor located inside the skull and a detecting module located on the outside of the simulator, wherein the detecting module is in electrical communication with the sensor and with a cannula. The detecting module also comprises one or more feedback indicators activated by means of the cannula making contact with an area of the sensor.

This utility model discloses a percutaneous cranioauricular acupoint electrostimulation device, comprising a main body of the device positioned opposite to the circumference of the human head. The main body includes a forehead stimulator and a first adjustment component. The forehead stimulator provides electrical stimulation to acupoints on the forehead. The first adjustment component adjusts the circumference of the main body. A vertex stimulator is also mounted on the main body, providing electrical stimulation to acupoints on the top of the skull. The vertex stimulator includes a second adjustment component, which adjusts its circumference. An ear stimulator is positioned near each ear, providing electrical stimulation to acupoints on the ear. This utility model integrates and miniaturizes the forehead stimulator, vertex stimulator, and ear stimulators, allowing the entire device to be worn on the head, reducing wiring and significantly improving ease of use.

The application discloses a minimally invasive brain resistance impedance measurement imaging method and related devices, from the acquired imaging data at different times, two frames of image data are selected; wherein the imaging data at a time is a frame of image data, each frame of image data is composed of a plurality of potential data acquired, and each potential data is obtained by a microneedle electrode pair arranged on the top of the head and a pair of scalp electrodes arranged around the brain; one frame of image data in the two frames of image data is taken as background frame data, and the other frame of image data is taken as foreground frame data, then the two frames of image data are differentiated to obtain a plurality of potential change data; the plurality of potential change data is normalized and converted into pseudo-color values; the pseudo-color is filled into a brain partition image to obtain a brain impedance simplified imaging result. The application can obtain electrical signals by using microneedle electrodes and scalp electrodes without opening the skull, perform signal processing, and then realize intracranial impedance disturbance imaging.

1. Name of the product in this design: Skull nail electrode. 2. Application of this design: This design is used for implementing shallow temporal interference electrical stimulation in animal experiments and for implementing temporal interference electrical stimulation in animal experiments under magnetic resonance compatible environments. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention relates to a method for manufacturing an orthopedic appliance comprising at least one functional joint guidance aligner (1), which method consists in • Acquiring and recording first data relating to the dental molds (2) of the patient, • Acquiring and recording second data relating to a three-dimensional view of the skull (3) of the patient, • Combining the first and second recorded data, • Performing mandibular segmentation on the "combined" image, • Acquiring and recording a natural opening movement involving pure rotation, • Determining and recording a target position of the jaw of the patient, • Determining and recording occlusal guidance planes for temporomandibular joint repositioning, • Using the data relating to occlusal guidance planes for temporomandibular joint repositioning in order to design at least one maxillary and / or mandibular model (9) allowing the manufacture of at least one functional joint guidance aligner (1).

The utility model relates to a portable scalp positioner for craniocerebral operation, the front ruler, the back ruler, the front side ruler, the back side ruler, the vertical ruler and the middle line flexible ruler are used as the measuring scale, the front and back side ruler joint, the front side ruler joint, the front side ruler joint handle, the back side ruler joint, the back side ruler joint handle, the vertical side ruler joint, the middle front ruler joint and the middle back ruler joint are used as the movable joint and handle to realize each measuring scale sliding or rotating, can carry out structural adjustment according to the different size of craniocerebral and realize portable storage function. Through the front ruler, the back ruler, the front side ruler and the back side ruler, the eyebrow arch and the occipital outer protuberance plane of the skull are limited, at the same time, the vertical ruler is perpendicular to the plane to obtain 3 -dimensional coordinates and the middle line flexible ruler obtains the arc coordinates of the brain, can improve the measurement accuracy in multidimension, in addition, each joint and handle have high flexibility, convenient operation, and can realize portable storage through rotation.

The present invention relates to a surgical guide device for skull base approach, comprising: an inner opening part provided at one end of a hollow cylinder having both ends open, so as to be inserted into a subject into which a surgical instrument is to be inserted; an outer opening part provided at the other end of the hollow cylinder having both ends open, so as to be positioned outside the subject into which the surgical instrument is to be inserted, such that the surgical instrument is inserted therethrough; and a connection part by which the inner opening part communicates with and is connected to the outer opening part, wherein a slit cut to a predetermined length from the free end of the outer opening part toward the connection part is formed in one region of the outer periphery of the outer opening part.

1. Name of the designed product: night lamp (skull). 2. Use of the designed product: for indoor lighting. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This invention provides poultry meat that can reduce the effects of rigor mortis and a method for producing the same. [Solution] The meat of the bird is characterized by a skull with a destroyed brain inside, a wound that penetrates the skull from the surface of the head (excluding the mouth) and leads to the brain, and the feathers have been removed. An example of a wound is one that passes through the part of the brain other than the medulla oblongata and leads to the medulla oblongata. Further examples include cervical and thoracic vertebrae and a compound sacrum with a destroyed spinal cord inside. The method of producing the meat involves making a wound that penetrates the skull from the surface of the bird's head (excluding the mouth) and destroying the brain inside the skull.

The utility model discloses an anti-scar adjustable posterior ear brace which comprises a shaping clamping block and an elastic clamp. Wherein the shaping clamping block comprises a posterior ear block and a helix block; the middle parts of the ear back block and the helix block are connected through an elastic clip; and the elastic clip respectively pressurizes the posterior ear block and the helix block. The scar pressurizing device can generate a continuous and effective pressurizing effect on scars; the pressure can be adjusted according to the severity of scars; according to the utility model, personalized customization is carried out according to the appearance of the auricle of a patient, the cranium-ear distance can be effectively kept, and the reconstituted auricle is prevented from retracting and lodging; the brace and the auricle are movably fixed, and the brace can be picked every day; the appearance is small, wearing is convenient, and parts can be replaced.

1. Name of the designed product: storage bag (skull). 2. Use of the designed product: used for storing daily necessities, cosmetic products, etc., and also used for decoration. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. The name of the design product: building blocks (13089 skull head). 2. The use of the design product: toys. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The invention relates to an assembly comprising a protective helmet (1) and an eyewear item (2) comprising two carrying arms (3), said helmet comprising an outer shell (4) configured to at least partially receive the skull of a wearer, as well as a pair of lateral vents (11) positioned to allow the sliding insertion of an arm (3) for placing said item in a storage position on the helmet (1) wherein a portion (3a) of the arm (3) exerts a radial clamping force on an edge (12) of the corresponding vent (11), the arm portions (3a) each having a retaining notch (18) in the storage position, which separates upstream and downstream portions (3c) of the corresponding arm portion (3a) by being configured so that said upstream portions are radially separated by a distance less than the radially separating said downstream portions. Figure 1

[Problem] The purpose of the present invention is to provide a brain activity measurement device capable of measuring brain activity across a wide area. [Solution] A brain activity measurement device provided with: a brain diagnosis probe; a detection signal receiving unit for receiving a detection signal generated by the brain diagnosis probe; and a signal analysis unit for analyzing the detection signal received by the detection signal reception unit and obtaining measurement information for measuring brain activity, in which the brain diagnosis probe has a plurality of sheet-like probe parts which are each provided in the skull of a subject organism through a hole provided in the skull.

This invention relates to a prosthesis for implantation into bone defects. Specifically, it discloses a cranioplasty component, comprising: a bone flap body for filling a defect in the skull, the bone flap body including a disc-shaped filling body and multiple stimulation units arranged circumferentially between the outer and inner disc surfaces of the filling body, and each stimulation unit being capable of protruding from the sidewall of the filling body through radial movement; a force-applying component for driving each stimulation unit to protrude radially from the sidewall of the filling body, thereby, after the bone flap body fills the defect, the force-applying component drives each stimulation unit to protrude from the sidewall of the filling body, causing the radially outer ends of the stimulation units to press against the sidewall of the defect to stimulate the bone of the sidewall of the defect; and a positioning component for attaching and positioning the bone flap body to the skull.

The present application provides a light treatment device for suppressing or preventing Alzheimer's disease. A light treatment device includes a carrier structure and an array of near-infrared irradiation units. The bearing mechanism forms an accommodating space for the head of the object and bears the array of the near-infrared irradiation units. The array of near-infrared irradiation units is configured such that near-infrared light is emitted into the accommodation space, when the head of the subject is in place, an irradiation space range covering at least the anterior upper cranial portion, the top cranial portion, the left cranial portion and the right cranial portion is formed, and the time-average total irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more, and the irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more. Or more than 70W, and the space-time average optical power density irradiated to each part does not exceed 230mW / cm < 2 >. The light treatment device does not depend on nasal and ocular irradiation, achieves an optimized treatment effect on AD patients from MCI to dementia during the course of treatment, and not only effectively maintains the treatment effect but also continuously increases the treatment effect when the light treatment is interrupted.

The utility model relates to the field of medical teaching equipment, in particular to a newborn model which comprises a baby model body, an umbilical cord model and a catheterization module. The baby model main body comprises a simulated head and neck part, a simulated trunk part and simulated limbs; the simulated head comprises a simulated skull, a simulated nasal cavity, an oral cavity, a tongue, a trachea and an esophagus which conform to the anatomical structure position of a human body; the simulated trunk part comprises a simulated thorax, a simulated sternum, a pressing module and an embedded plate; the umbilical cord model is arranged on one side, close to the urethral catheterization module, of the embedded plate; the umbilical cord is separated from the baby model main body, so that the umbilical cord is convenient to replace, and the cost is saved; skill operation of umbilical cord infusion is realized; the pressing module and the catheterization module are arranged in the baby model main body, so that the training of first-aid skills and catheterization skills is realized.

The utility model provides a hook for showing animal skull, including fixed plate, insert link and card board, card board and fixed plate movable connection, card board is provided with a plurality of card slot, insert link is provided with slot, the slot is matched with card slot, the slot can be clamped with different card slot. According to the utility model, the plurality of clamping grooves are clamped with the slot, the clamping plate is movably connected with the fixing plate, and the clamping grooves and the fixing plate are combined, so that the requirement of a user for viewing the animal skull from various angles is met.

The invention discloses a bionic robot skin layered structure, and relates to the field of bionic robots, and the bionic robot skin layered structure comprises a skull base layer as a support foundation of the whole structure; the muscle driving layer is arranged on the outer side of the skull base layer and comprises a plurality of driving units, and each driving unit corresponds to a specific muscle group of the human face; the fat buffer layer covers the outer side of the muscle driving layer and is made of an elastic platinum silica gel material; and the leather outer layer is positioned on the outermost side and is made of a platinum silica gel material with the texture similar to that of the human skin. According to the four-layer bionic skin structure based on the human face anatomical structure, comprehensive improvement of high bionic, fine driving, material characteristic optimization and high expandability of the robot skin structure is achieved.