35 results about "Skull surface" patented technology

The present invention relates to a method for modelling a customised helmet for a user, the method being characterised in that it comprises carrying out, by data processing means (11) of a first server (1), the steps of: (a) obtaining a three-dimensional representation of a surface of the user's skull; (b) selecting a three-dimensional functional layer model of the helmet from among a plurality of predefined three-dimensional functional layer models according to the three-dimensional representation of the surface of the user's skull; (c) constructing a three-dimensional customised comfort layer model of the helmet that fills the space between the surface of the skull and the functional layer for the selected three-dimensional functional layer model; (d) fusing the selected three-dimensional functional layer model and the constructed three-dimensional customised comfort layer model into a comprehensive helmet model, suitable for additive manufacturing.

The invention discloses a transcranial magnetic stimulation positioning system based on a deep effect brain region, and the system comprises the steps: obtaining the data of a tested magnetic resonance image, which comprises a resting state functional image and a high-resolution T1 structure image; performing data preprocessing on the function image and the structure image, and establishing an individual space; the deep effect brain region template is converted to an individual space through nonlinear registration, and a target region of interest is defined; calculating functional connections between voxels of the deep effect brain region and the cortical region by adopting a Granger causality analysis method based on wavelet transformation; and screening Top block masses according to the functional connection strength, calculating the gravity centers of the Top block masses, and determining individualized stimulation targets in combination with the skull surface distance. According to the method, spontaneous brain activity function variation of the brain of an individual and the brain signal propagation direction are fully considered, accurate positioning of different individual levels is achieved, relatively stable cortex stimulation targets are obtained, and therefore the clinical curative effect of TMS is optimized.

The invention discloses a multi-channel phase resonance transcranial ultrasonic regulation and control system and method based on 3D printing, and relates to the technical field of transcranial ultrasonic nerve regulation and control. Firstly, after three-dimensional modeling is conducted on the basis of patient head diagnosis and treatment data obtained in advance, a brain region needing to be stimulated is calibrated; then, on the basis of the acoustic theory, calculating a spatial position and an angle corresponding to the ultrasonic stimulation probe by applying an inversion technology; according to the calculation result, a personalized 3D printing helmet is designed, and a structure used for fixing an ultrasonic probe is printed on the top of the helmet; the device for fixing the ultrasonic stimulation probe adopts a special design, and the distance between the probe and the surface of a skull can be adjusted; the ultrasonic stimulation probe is composed of multiple channels and multiple array elements and can achieve phase resonance and adjust the focus position. Due to the fact that millimeter-level deviation exists in the system, a large amount of data are collected, an artificial intelligence model is established, modeling is conducted on 3D printing helmet system errors, after accurate errors are obtained, the focus position is further adjusted through the ultrasonic phase resonance technology, and accurate positioning is achieved.

The present disclosure relates to the field of ultrasonic detection, in particular to a craniocerebral ultrasonic standard plane imaging and automatic detection and display method for abnormal regions. The following technical solution is adopted: contour detection is performed on the scanned ultrasound images the skull to construct a skull surface model, and the standard planes in ultrasound images are identified and extracted according to the skull surface model. The symmetry of the standard planes in ultrasound images is used to compare the similarity, so as to obtain the abnormal regions for segmentation and display. The advantages of the present disclosure are as follows: the skull surface model is constructed by detecting the cranial edge, and the coordinate system is established based on this model, thereby the standard planes in ultrasound images can be quickly identified from the scanned ultrasound images.

The invention relates to the technical field of ultrasound, in particular to an ultrasonic incident angle correction method, a program product and a self-adaptive transducer. According to the method, an incident wave is emitted to a target object, a reflected wave reflected by the target object is received, and whether the intensity of the reflected wave reaches a preset condition or not is judged; if not, the incident angle is adjusted until the reflected wave reaches the preset condition, the incident angle of the ultrasonic wave can be automatically adjusted in real time, the incident angle is made to be matched with the normal direction of the skull surface, and therefore the problems of sound energy attenuation and efficiency reduction caused by the too large incident angle are avoided; dependence on traditional high-resolution medical imaging equipment is reduced, and a complex and time-consuming individualized customization process is omitted; the skull penetrating efficiency of ultrasonic energy is improved, the output energy and the focusing effect of the whole transcranial focusing ultrasonic system are optimized, and the reliability and effectiveness of a treatment scheme are improved accordingly.

The present application discloses a portable skull transparency treatment method. The treatment method includes cutting an opening on the scalp to expose the skull; fixing the first solidifiable material to the wound around the exposed skull surface to form a groove for holding a buffer and fixing one end of a porous fixing plate; placing a shell with a small hole on the top in the skull area to be treated or placing the shell in the skull area to be treated to form a small hole on the shell; sealing the junction between the skull and the shell with a second solidifiable material, fixing the shell on the skull, and injecting and / or replacing the transparent liquid through the small hole. Through the above-mentioned embodiments, the present application can realize the portable carrying of transparent liquid in the skull, make the skull transparent for a long time, reduce the performance requirements for the transparent liquid, and reduce the risk of transparent liquid spilling and leaking during the skull transparency treatment process.

The present invention relates to a method for modeling a helmet customized for a user, the method being characterized in that it comprises the implementation by data processing means (11) of a first server (1) of steps of: Obtaining a three-dimensional representation of a surface of the user's skull; Selecting a three-dimensional model of the functional layer of the helmet from among a plurality of predefined three-dimensional models of the functional layer, according to said three-dimensional representation of the surface of the user's skull; Constructing a three-dimensional model of the personalized comfort layer of the helmet filling the volume between the surface of the skull and the functional layer for said selected three-dimensional model of the functional layer;Fusion of the selected three-dimensional model of the functional layer and the constructed three-dimensional model of the customized comfort layer into a global model of the helmet, printable by additive manufacturing. [Fig. 1];

This invention discloses a method for measuring cranial thickness based on bioelectrical impedance analysis (BIA), comprising: dividing the target region into subdivisions using the finite element method (FEM) to establish a finite element model; acquiring surface voltage signals of the skull using a four-electrode method on a brain electrical impedance imaging platform; obtaining the conductivity distribution of each node of the triangular element by solving the inverse voltage problem; inputting the conductivity distribution into the finite element model and calculating the distance between the node with the largest resistivity change and the corresponding boundary voltage node by solving the forward problem, thus obtaining the skull width at a set of signal locations; measuring the node voltages and calculating the corresponding skull thickness using a sixteen-electrode cyclic excitation method; and finally, assembling all node voltages and skull thicknesses into a plane to obtain the overall skull thickness. This invention designs a method for measuring cranial thickness based on bioelectrical impedance analysis (BIA), providing an accurate method for calculating cranial thickness.

The utility model relates to the technical field of medical instruments, discloses an implantable nerve stimulation device for neurosurgery, and solves the problems that after a controller of the implantable nerve stimulation device is implanted into a skull, the flatness degree of the surface of the skull is poor, a patient feels the controller easily, foreign body sensation is generated easily, and the skull is damaged easily. Therefore, anxiety or other negative emotions of the patient are easily caused. The gap between the controller body and the inner wall of the skull groove is filled with the medical silica gel sleeve, the medical silica gel isolation pad is used for covering the connecting groove, and the medical silica gel isolation pad is embedded into the groove, the upper surface of the fixing base and the upper surface of the medical silica gel sleeve are located in the same plane, and therefore the connecting groove is formed. In this way, the gap between the outer surface of the skull and the upper surface of the controller body is flattened, a patient is not prone to perceiving the existence of the controller body, and therefore the existence feeling of foreign matter is reduced.

The application discloses a skull gender identification method based on multi-modal, and relates to the field of skull gender identification. The method comprises the following steps: reconstructing a three-dimensional skull surface model based on skull CT scanning data to obtain a three-dimensional skull data set; for each three-dimensional skull surface model, adopting Koebe iteration to realize conformal mapping from a three-dimensional multi-connected region to a plane circular region to obtain a two-dimensional unit circular disc, and respectively performing normal calculation and coloring, vertex coordinate calculation and coloring, curvature calculation and coloring to obtain a normal map, a spatial position map and a curvature map; inputting the normal map, the spatial position map, the curvature map and a gender label corresponding to the three-dimensional skull surface model into a multi-modal skull gender identification network to train a skull gender identification model; and when the skull gender identification model receives a normal map, a spatial position map and a curvature map of a target three-dimensional skull surface model, the skull gender identification model outputs a corresponding gender. The application can improve the accuracy, efficiency and generalization ability of identification.

A system for the real-time detection of cerebral ischemic events using multichannel near-infrared spectroscopy, comprising: a head-attachable structural assembly made of a flexible or semi-rigid biocompatible substrate configured to conform to the skull surface of a subject; a plurality of near-infrared light-emitting units embedded in the structure and arranged in a spatially distributed configuration over predefined areas corresponding to brain regions; a plurality of photodetector units arranged at predetermined distances from the respective light-emitting units to define a plurality of measurement channels, each measurement channel configured to receive diffusely reflected near-infrared light from the underlying brain tissue;a signal acquisition unit electrically coupled to the photodetector units and configured to convert received optical signals into corresponding electrical signals, and additionally amplifying, filtering, and digitizing them; a processing unit operationally coupled to the signal acquisition unit and configured to calculate fluctuations in cerebral oxygenation based on the digitized signals and to identify patterns indicative of cerebral ischemic events in real time; and a communication unit configured to transmit processed data and event notifications to an external system.

The utility model discloses a kind of electromagnetic shielding's mouse brain deep electrical stimulation and collection device, including protective shell and shielding shell, protective shell bottom is equipped with opening, top is equipped with connecting port, opening is fixedly adhered with animal skull surface, electrode main body, adapter terminal wire and USB conversion interface connected in sequence are equipped in protective shell, electrode main body implants in animal brain through opening;Shielding shell is inserted with connecting port, shielding shell is inserted with connecting port in, USB interface and preamplifier are equipped in shielding shell, USB interface connects USB conversion interface, preamplifier is connected host computer by data line and passes out shielding shell.The utility model, the production and composition of electrode are modularized split, standardization production and surgical implantation process;Modularization installed USB conversion interface hardware cost is very small, improve the Omnetics interface utilization of host computer;USB conversion interface and electrode main body between using adapter terminal wire, namely soft line connection, can avoid the screw drop caused by multiple plug and unplug, prolongs the implantation time of electrode.

The present invention belongs to the technical field of magnetic resonance imaging, and specifically discloses a magnetically compatible rodent brain injection device and method, which includes a fixed base, an injection catheter system, and a drug delivery system. The bottom surface of the fixed base is fixedly connected to the surface of the skull through an adhesive. A stereotactic fine-tuning system is provided on the top surface of the fixed base. The stereotactic fine-tuning system is fixedly connected to the outer ring of the injection catheter system. One end of the injection catheter system sequentially passes through the stereotactic fine-tuning system and the fixed base and is connected to the interior of the skull. The other end of the injection catheter system is connected to the drug delivery system. By adopting the above-mentioned magnetically compatible rodent brain injection device and method, the present invention avoids signal artifacts or interference, has both imaging compatibility and operation convenience, realizes high-precision, good repeatability, and small damage to brain tissue for intracerebral drug injection, and provides a reliable technical means for brain research.

The utility model discloses a scalp scar incision knife for the edge of a bone window, which is divided into an L type and a T type, and each type is divided into two edging directions, namely a clockwise edging direction and an anticlockwise edging direction; the T-shaped scalpel comprises a scalpel handle, a first blade or a second blade, the scalp of a surgical part of a patient is transversely and longitudinally cut open at the same time through the additional arrangement of the first blade or the second blade, and the convenience of medical staff in surgical use is improved; a downward edged blade and an upward edged blade are arranged on the blade side, the skull side blade is edged downwards, periosteum and skull of a patient are separated, the downward blade can prevent the scalp from being too thin, and it is guaranteed that the blade is tightly attached to the surface of the skull to be pushed. The blade in the bone window is edged upwards, so that damage to meninx and brain tissue of a patient caused by the blade can be avoided, the use safety is improved, the situation that medical staff frequently replace tools in the operation process is avoided, and the use difficulty of the medical staff is reduced.

The invention relates to the technical field of medical instruments, and discloses a small animal skull surface leveling auxiliary device which comprises a shell, suspension teeth are installed at the bottom end of the shell, arc-shaped sliding grooves are formed in the suspension teeth, the bottom end of the shell is fixedly connected with fulcrums, and the fulcrums are slidably connected with the inner walls of the arc-shaped sliding grooves. Moving rods are symmetrically mounted in the bottom ends of the suspension teeth; the unique design that the suspension teeth are matched with the fulcrums is adopted, and when the bottom ends of the suspension teeth make contact with the surface of the small animal skull, the suspension teeth can automatically slide in the arc-shaped sliding grooves according to the skull radian to adjust the angle. An operator only needs to finely adjust the swing angle of the shell through the handle, and by means of visual indication of the angle pointer and the angle scales, the suspension teeth can be rapidly adjusted to be preliminarily horizontal with the surface of the skull in the vertical direction, the leveling operation process is greatly simplified, the leveling efficiency and accuracy are improved, and compared with a traditional manual repeated adjustment mode, the advantages are remarkable.

The invention discloses a bone conduction earphone and a wearing posture adjusting method thereof. The bone conduction earphone comprises an earphone shell and a control assembly. The earphone shell comprises a storage part, a bone conduction part and an ear hanging part connected with the storage part and the bone conduction part, the control assembly is installed on the storage part, and the bone conduction part is provided with an abutting surface making contact with the surface of the skull of a user; the ear hanging part comprises an adjusting structure capable of adjusting the position of the bone conduction part, and the abutting face can be attached to the surface of the skull of the user through the adjusting structure. According to the invention, the position of the bone conduction part is adjusted, so that the abutting surface is adaptive to the face shape of the user and is attached to the surface of the skull of the user, the requirements of different users are met, and the bone conduction efficiency of the bone conduction earphone is guaranteed.

The utility model discloses a functional magnetic resonance head fixator for small animals, which belongs to the technical field of biological experiments and comprises a cylinder and a fixing component. The cylinder is composed of a cylinder upper portion and a cylinder lower portion which are arranged in the horizontal direction and matched with each other. A fixed platform arranged in the horizontal direction is arranged on the cylinder wall of the upper part of the cylinder; the fixing platform is provided with fixing holes. The fixing assembly comprises a fixing rod and a fixing piece. One end of the fixing rod is vertically fixed on the skull surface of the small animal, and the other end of the fixing rod penetrates out of the upper part of the cylinder from inside to outside through the fixing hole; and the cylinder lower part is fixed below the cylinder upper part to form a cylinder arranged along the horizontal direction. According to the skull fixing device, the stability and the reliability of fixing the skull of a waking small animal for a long time can be obviously improved, the skull is fixed at a horizontal position during scanning, the accuracy of coronal plane scanning is improved, and the credibility of subsequent whole-brain data analysis is guaranteed.

The invention belongs to the field of surgical traction equipment, and discloses clinical surgical traction equipment for the general surgery department, and the clinical surgical traction equipment is characterized in that a propelling assembly is slidably clamped in a sliding groove, and an elastic assembly is arranged at the upper end of the propelling assembly; when the propelling assembly moves to a scalp and skull adhesion area, the elastic assembly is pressed and contracted, and the bottom of the propelling assembly is kept in contact with the surface of the skull through the elastic assembly; when the propelling assembly moves to the skull sunken area, the elastic assembly restores elastically, and the elastic assembly presses the propelling assembly downwards, so that the bottom of the propelling assembly is attached to the bone surface of the sunken area; meanwhile, the propelling assembly is driven by the second rope to synchronously move in the direction close to the wound, the propelling assembly in linkage with a hook above is arranged below the wound, synchronous mechanical movement of pulling the wound and pushing out bone fragments is achieved through transmission of a pulley mechanism, the risk that the fragments move inwards to cause dura mater scratching is effectively reduced, and the safety of the dura mater is improved. And fragments can be concentrated to a surgical field center, so that quick cleaning is facilitated.

The artificial skull structure comprises an artificial skull main body and a supporting foot, the supporting foot is connected to the periphery of the artificial skull main body and extends outwards, and the artificial skull main body is provided with an inner surface and an outer surface opposite to the inner surface. The projected area of the outer surface of the artificial skull body on a plane parallel to the skull surface is larger than the projected area of the inner surface of the artificial skull body. The supporting feet are arranged on the periphery of the artificial skull main body, so that a stable supporting point is provided for the artificial skull main body; the projected area of the outer surface of the artificial skull main body is larger than that of the inner surface of the artificial skull main body, so that the overall displacement resistance, collapse resistance and external impact resistance of the artificial skull main body are enhanced, and the safety of intracranial tissues is effectively protected.

The periosteum distraction device attached to the skull of the patient comprises a distraction plate, the end of the distraction plate is arranged to be an arc-shaped tip, and the surface of the distraction plate is an arc surface and can be in smooth transition with the arc-shaped tip; the distraction plate is punched and formed by a hydraulic machine and a mold matched with skull data of a patient; a threaded hole and a plurality of fixing holes are formed in the distraction plate; the device further comprises a distraction screw, a threaded needle, an adapter and a drill bit. Wherein an inner hole with two through ends is formed in the distraction screw, and one end of the threaded needle and one end of the drill bit can penetrate through the inner hole; the threaded needle is fixedly connected with a limiting block a, and the drill bit is fixedly connected with a limiting block b. The distraction plate in the periosteum distraction device is punched and formed through a mold (the combination of the male mold and the female mold) matched with data of the skull of a patient, the surface of the formed distraction plate is consistent with the surface of the skull in shape, the distraction plate can be well attached to the skull and the periosteum, and distraction and recovery of the periosteum are facilitated.

The invention provides a stereotactic surgery system which comprises a processing unit and a mechanical arm, a guider is arranged at the tail end of the mechanical arm, and the processing unit is used for obtaining the direction of a skull surface normal vector corresponding to a preset bone drilling point of a surgery object; the tail end of the mechanical arm is adjusted to the target posture so that the axis of the guider can coincide with the direction of the normal vector of the skull surface; after a bone drill is installed on the guider, responding to a first moving operation of a doctor on the mechanical arm, and controlling the mechanical arm to move based on the target posture, so that the bone drill drills bones on a preset bone drilling point of the surgical object in the direction of the normal vector of the skull surface. Therefore, by adjusting the posture of the tail end of the mechanical arm before bone drilling, the axis of the guider coincides with the normal vector direction of the skull surface, so that the actual bone drilling point slippage caused by an overlarge included angle between the axis of the guider and the normal vector of the skull surface in the bone drilling process is reduced, and the possibility of deviation of subsequent implantation of a microscopic instrument is further reduced; and the clinical precision of a stereotactic operation is improved.

The application discloses an optical imaging and electrophysiological recording window fixing device, which comprises a window base, a window pressing flange ring, a fixed hollow screw rod and a top cover. The optical imaging and electrophysiological recording window fixing device does not need to repeatedly cut the scalp and perform a window opening operation, and only needs to be installed once, and then multiple experiments can be repeatedly performed, so that the repeated damage to experimental animals is reduced; normal intracranial pressure can be maintained, and the window can be airtight and infection-proof. The window base is designed to be firm, and can be fixed to the surface of the skull through dental cement or bone cement. The window pressing flange ring can be replaced and selected, and is suitable for different animals, different sizes and different depth imaging windows. During the interval of experiments, the top cover is used for sealing, and the window can be effectively sealed, tissue hyperplasia or infection is reduced, the operation is simple, and the window is effectively sealed. The device is compatible with an electrophysiological positioning device, and electrode implantation is facilitated.

The application discloses a multifunctional regulation cap type light device based on skull bone marrow-brain function area mapping, and belongs to the technical field of photobiomodulation, transcranial light regulation, neural immune regulation, brain function area positioning and wearable medical device. The device comprises a cap type carrier, a light source array, a function mode selection module, a control unit and a telescopic quasi-direct touch light spot cylinder assembly. After a user selects an emotion, pain, movement, cognition, sleep or visual function irradiation mode through the function mode selection module, the control unit calls corresponding irradiation parameters, irradiation timing and target skull surface projection area, drives the light source unit in the target irradiation partition to work, and keeps the non-target partition light source unit in a closed state. Each light source unit is composed of a telescopic quasi-direct touch light spot cylinder assembly, can adapt to local head curvature through independent telescoping and universal swinging, and can guide light energy to the skull lamella layer in a collimating manner.

This invention discloses an implantable closed-loop neuromodulation system and method, relating to the field of neuroengineering, aiming to solve the problems of poor electrode adaptability and slow closed-loop response in existing implantable neuromodulation systems. The system includes intracranial electrodes, a one-to-one matching adapter plate for adapting different electrodes, a feedthrough component, and an implantable host fixed to the skull surface. The processing unit within the host decodes neural signals in real time within 10 ms to determine the brain state; if an abnormality is detected, the stimulation output unit selects a pattern from a preset safe stimulation pattern library to generate stimulation commands for intervention. This application achieves multi-electrode adaptation through the adapter plate and millisecond-level closed-loop response through high-speed processing, improving the timeliness and accuracy of intervention and enhancing safety.

An ultrasound automated detection and display method of cranial abnormal regions includes: firstly, a skull surface model is constructed; then contour detection is carried out based on a two-dimensional ultrasonic image to obtain a skull contour curve; fitting is carried out on the contour curve and the skull surface model to determine whether the two-dimensional ultrasonic image has symmetry characteristics or not; finally, similarity comparison calculation is carried out on two mutually symmetrical regions by utilizing the symmetry characteristics of the two-dimensional image, so that whether an abnormal region exists and the location of the abnormal region is determined. The method has the advantages that a skull surface model is constructed before detecting a cranial contour curve on a two-dimensional ultrasonic image.

A ventricle precise puncture orientation instrument belongs to the technical field of medical instruments and comprises a fixing arm, a positioning arm, a fixing arm positioning mechanism, a positioning arm positioning mechanism and an orientation tube mechanism, and the fixing arm and the positioning arm are of an integrally nested arch structure; a fixed arm positioning mechanism and a directional pipe mechanism are arranged at the upper part of the fixed arm; a positioning arm positioning mechanism is arranged at the top end of the positioning arm; the fixing arm positioning mechanism comprises a fixing fork and fixing arm head nails, the fixing fork is movably connected to the upper portion of the fixing arm, the fixing fork is divided into two side arms, and the fixing arm head nails are arranged on the side arms respectively; the positioning arm positioning mechanism comprises a positioning arm head nail, and the positioning arm head nail and two fixed arm head nails are fixed to the head of a patient. According to the puncture orientation device, the orientation device can be directly fixed to the scalp and skull surface through a stable structure formed by the fixing arm positioning mechanism and the positioning arm positioning mechanism, so that accurate positioning is achieved, and the puncture orientation device has the advantages of being high in operability and accurate in puncture.

The invention discloses an individualized wearable transcranial magnetic stimulation treatment assisted positioning method, which comprises the following steps: based on T1 weighted structure imaging, obtaining a scalp surface, a skull surface and a cerebral cortex surface consistent with an individual head anatomy through surface reconstruction; on the basis of resting state functional magnetic resonance imaging, whole brain function connection analysis is executed to obtain an individualized cortex target spot; identifying anatomical mark points on the scalp surface and constructing a scalp curved surface coordinate system, and projecting the individualized cortex target spot from the cerebral cortex surface to the scalp surface to obtain an individualized scalp target spot position; selecting a scalp curved surface above an ear plane in the scalp curved surface coordinate system as a hood base area, making a three-dimensional model of the individualized positioning hood, and reserving a coil placement area corresponding to the individualized scalp target according to the position of the individualized scalp target; an individualized positioning hood entity is manufactured according to the three-dimensional model, and individualized accurate positioning, repeated placement and standardized operation of transcranial magnetic stimulation are achieved.

The invention discloses a skull surface matrix type contact electrode device, and relates to the technical field of medical equipment, and the skull surface matrix type contact electrode device is characterized by comprising a brain-computer interface device, a plurality of electrode plates and wires; the brain-computer interface device is provided with an electroencephalogram data interface used for being connected with external computer equipment. The brain-computer interface is also provided with a circuit board, a wireless transmission module, a control module, a signal processing module, a rechargeable power supply and a plurality of signal interfaces; one end of the wire is connected with the electrode interface, and the other end of the wire is connected with the signal interface. The device has the advantages of being capable of achieving matrix type collection, high in attachment degree with the skull surface and easy and convenient to operate, high-density signal collection of a large area of the skull surface is achieved, the spatial resolution of signal collection is improved, and the high-precision monitoring requirement is met.

The invention discloses an optical imaging and electrophysiological recording window fixing device which comprises a window base, a window pressing flange ring, a fixing hollow screw and a top cover. According to the optical imaging and electrophysiological recording window fixing device, scalp cutting and windowing operations do not need to be repeatedly carried out, only one-time installation is needed, multiple experiments can be repeatedly carried out subsequently, and repeated injuries to experimental animals are reduced; normal intracranial pressure can be maintained, and the window is sealed in an anti-infection mode. The window base is firm in design and can be fixed to the surface of the skull through dental cement or bone cement. The window pressing flange ring can be replaced and selected to adapt to imaging windows of different animals and different sizes and depths. During an experiment interval, sealing is achieved through the top cover, effective sealing of the window can be guaranteed while operation is easy and convenient, and tissue hyperplasia or infection is reduced. An electrophysiological positioning device is compatible, and electrode implantation is facilitated.

The utility model belongs to the field of intracranial image collection, especially a head -wearing intracranial blood vessel image collection analysis appearance, the present equipment cannot be adapted to the skull surface of different patients and lack flexible tightness adjustment, leading to the discomfort of the equipment use, and the data acquisition accuracy is reduced, the present scheme is proposed, it includes elastic headgear and near infrared spectrum sensor, the inner wall fixed setting of elastic headgear has the sponge pad, the top of elastic headgear is annular and is sewed with even distribution's multiple plastic batten, be provided with wearing subassembly on elastic headgear, and this wearing subassembly is convenient for the patient of different head size and wears. The utility model through the combination of elastic headgear, plastic batten and wearing subassembly, not only realizes the self -adaptation of the skull surface of different patients, but also can carry out tightness adjustment, improves the comfort and adaptability of equipment, ensures the safety and stability of long time use.