73 results about "Craniotomy" patented technology

The invention is applicable to the technical field of medical instruments, and provides a subskull epidural micro-invasive flexible brain-computer interface electrode, which comprises a plurality of electrode branches, each electrode branch comprises a linear flexible main body, and the flexible main body comprises a micro power supply circuit and a signal circuit which are solidified. A plurality of electrode units are arranged on the micro power supply circuit and the signal circuit at intervals, and the electrode units are electrically connected with the micro power supply circuit and the signal circuit. The brain-computer interface electrode is in a flexible line type, can be implanted into the middle artery of the meninx, does not need craniotomy, is a micro-invasive brain-computer interface, has data monitoring accuracy close to that of an invasive brain-computer interface, does not need to worry about inflammatory response, immunostimulation, biocompatibility, brain tissue damage and other adverse factors after long-term implantation, and is suitable for popularization and application. And the thrombogenic risk of a vein stent brain-computer interface does not exist.

The invention relates to a brain wave signal acquisition device, belongs to the technical field of medical instruments, and solves the problems that in the prior art, a brain wave signal acquisition device is implanted into the cerebral cortex of a human body through craniotomy, the trauma of a patient is large, the surgical risk is high, and various complications can be caused. The brain wave signal acquisition device comprises a bracket main body, an electrode plate and a conductive wire; the stent body is of an open curled cylindrical structure composed of a plurality of grid units, openings are formed in the two axial ends of the stent body, and gaps are formed in the curled butt joint positions on the side wall face of the stent body. The electrode plates are arranged on the grid units; the conductive wire is wound on the stent main body, one end of the conductive wire is connected with the electrode plate, and the other end of the conductive wire is wound to the near end of the stent main body. The brain wave signal acquisition can be realized without a craniotomy operation, so that the trauma to a patient is small, and the operation risk is obviously reduced.

The invention discloses a near-infrared two-region dual-channel fluorescent nanoprobe as well as a preparation method and application thereof, and relates to the technical field of biomedical imaging. A nano probe A and a nano probe B included in the near-infrared two-region dual-channel fluorescent nano probe are both of a core-shell structure, two NIR-IIb fluorescent nano probes adaptive to different excitation wavelengths (808 nm and 980 nm) are constructed by precisely regulating and controlling the types and proportions of lanthanide elements, dual-channel imaging is achieved, limitation of a single excitation wavelength is broken through, spectral crosstalk is eliminated, and the near-infrared two-region dual-channel fluorescent nano probe has the advantages of high sensitivity, high sensitivity, high sensitivity and the like. The method has the characteristics of material uniformity and biological safety. The near-infrared IIb region dual-channel imaging system has the characteristics of high temporal-spatial resolution and signal separation, and has significant application value in the field of living body multi-target synchronous observation. Compared with a traditional two-photon microscope technology, the imaging method has a wider observation view field, a local craniotomy operation does not need to be carried out on an experimental mouse, and physiological trauma is remarkably reduced.

The invention relates to a brain-computer interface system which comprises a flexible electrode array, a receiving device, a flexible connecting wire and external equipment, wherein the flexible electrode array is implanted into a meninx middle artery in a minimally invasive manner through a superficial temporal artery puncture and a vascular intervention procedure; the receiving device is embedded under the skin of a head and is provided with a signal transmitter; the external equipment is provided with a signal receiver. A flexible electrode array is implanted in an anterior branch or posterior branch of a main branch of a middle meninx artery through a superficial temporal artery intravascular minimally invasive technology, the number of electrodes and the array are arranged according to needs, and a receiving device buried in the subcutaneous part of the head is electrically connected with the flexible electrode array implanted in the middle meninx artery. Craniotomy is not needed, operative complications are avoided, minimally invasive implantation reaches the surface of the cerebral cortex, operation of a doctor is easier, the operation time is shortened, and the comfort level of a patient is improved.

The present invention discloses a pressure relief device implantation kit and a method for using the same. The pressure relief device implantation kit comprises: a cannula, wherein the interior of the cannula is a hollow structure, and a cannula seat is provided at the proximal end of the cannula, a positioning sheath is provided on the inner wall of the cannula seat, and the distal end of the cannula is open; a puncture needle, wherein the puncture needle is sharp at the distal end and can extend further distally from the distal end of the cannula; a solid needle, wherein the distal end of the solid needle is smooth and blunt; a delivery needle, and a pressure relief device. The proximal ends of the puncture needle, the solid needle, and the delivery needle all have needle seats, and each needle seat is provided with a positioning groove that cooperates with the positioning sheath. The puncture needle, the solid needle, and the delivery needle are all configured to be inserted into the cannula. According to the present invention, craniotomy is not required for the patient during treatment, which reduces the difficulty of the operation, the labor intensity of the operator, and the time of the operation. The incision is small, which reduces the burden and pain of the patient, and the pressure relief device can be accurately delivered to the target site.

The present invention relates to a novel intracranial aneurysm occlusion device and a manufacturing method thereof. The occlusion device includes an occlusion device body, a radiopaque marker, a delivery guide wire, a separation point, a delivery tube, and a separator. The radiopaque markers are respectively fixed to the distal end and the proximal end of the occlusion device body. The occlusion device is woven into a net shape by 24 - 72 strands of nitinol shape memory alloy wire. After the occlusion device is fully expanded, radiopaque markers are provided at both the distal end and the proximal end, and the radiopaque markers respectively bundle and fix the nitinol shape memory alloy wires at the distal end and the proximal end of the occlusion device. The delivery guide wire is located inside the delivery tube. A separation point is provided between the radiopaque marker at the proximal end of the occlusion device and the distal end of the delivery guide wire. The proximal end of the delivery guide wire is connected to the separator. The manufacturing method of the occlusion device is shaped by an occlusion device mold. Without craniotomy, for intracranial aneurysms with a narrow upper part and a wide lower part, giant aneurysms, and bifurcation aneurysms, by implanting the occlusion device body, the occlusion device has a stable structure, can quickly and densely fill the aneurysm cavity after deployment, thereby slowing down the blood flow in the aneurysm cavity, reducing the impact pressure of the blood on the aneurysm cavity, enhancing the repair ability, and achieving the purpose of treating aneurysms.

The present invention relates to the field of medical care appliances, and provides a craniotomy postoperative care device, comprising: a soft cushion, a base, a pillow piece, a fixed telescopic rod, a fixing piece, and a lifting and lowering structure. The device is fixed to a bed by the fixed telescopic rod and the fixing piece. The lifting and lowering structure in the base can realize the lifting and lowering of the soft cushion, and the pillow piece can be rotated up, down, left, and right by rotating a No. 1 rotating ball inside the base. The present invention rotates the pillow piece around by the No. 1 rotating ball, and then lifts and lowers the soft cushion by the lifting and lowering structure, thereby solving the problem in the prior art that the patient's head is hit by agitation or convulsions after waking up, causing secondary damage to the head.

The invention provides a pressure injury preventing air bag body position cushion based on a multi-mode perception algorithm, which comprises a head air bag group, a back air bag group, a sacrococcygeal region air bag group, a lower limb air bag group and an upper limb air bag group, and further comprises an air bag unit connected with the head air bag group, the back air bag group, the sacrococcygeal region air bag group, the lower limb air bag group and the upper limb air bag group, the head air bag set, the back air bag set, the sacrococcygeal portion air bag set, the lower limb air bag set and the upper limb air bag set are all connected with the intelligent inflation control system, and through the air bag structure design and functional modules, diversified body position changes are achieved, pressure injuries of a patient are reduced, and the safety of the patient is improved. Meanwhile, the special nursing requirements of different patients, such as a patient with a rear pillow craniotomy, a patient needing prone position treatment and a patient with quadriplegia, are met, the nursing effect of the patient in the intensive care unit is improved, and the rehabilitation speed of the patient in the intensive care unit is increased.

This invention relates to the field of medical control technology, specifically to a glioma ECoG electrode localization system based on the fusion of multimodal MRI and intraoperative photographs. It includes a brain imaging data acquisition module for preoperative acquisition of multimodal brain imaging data and an acquisition module for acquiring intraoperative craniotomy photographs for ECoG electrode placement. The system further aligns the multimodal brain imaging data to the same three-dimensional spatial coordinate system; then segments and corrects the multimodal brain imaging data into different regions; and establishes an individualized brain region atlas based on a healthy brain tissue texture model and segmented brain regions. Vascular structures are extracted, and a three-dimensional spatial coordinate system for vascular feature points and electrode contacts is established and transformed. The minimum Euclidean distance is calculated based on the electrode contacts, and the individualized brain region atlas is labeled. This invention addresses the problems of insufficient spatial positioning accuracy of electrode contacts and difficulty in quantifying tumor-electrode distance during surgery for glioma patients, facilitating intraoperative determination of the anatomical location of the epileptogenic focus by surgeons.

A guidewire driven brain-computer interface system for minimally invasive implantation is provided that includes a flexible electrode array and a plurality of flexible guidewires attached to the flexible electrode array. The flexible electrode array comprises a plurality of insulated poly-p-xylylene-C layers, metal interconnection lines and electrodes. The plurality of flexible guidewires are configured to be guided by an external mechanical force such that the flexible electrode array passes through a craniotomy field and is deployed by tracking the plurality of flexible guidewires. The flexible guidewires each include a manipulation tip and a pull wire.

The utility model relates to a skull craniotomy operation negative pressure suction device, including the flexible cover made of transparent material, the flexible cover one end big, one end small arrangement and small scale end cover set in one end of milling cutter, the cutter head of milling cutter is located in the chamber of flexible cover, flushes the head and is along the cover mouth circumference direction interval arrangement many groups of flexible cover, flushes the head with the liquid guide export of flush equipment and passes through the pipeline intercommunication, one end of suction pipe stretches into the chamber of flexible cover, the other end of suction pipe and the suction mouth of negative pressure suction device are connected through the pipeline, adopts transparent flexible cover to form the physical barrier, will the milling cutter head completely wrap up in the chamber, breaks out the bone splinter to the surrounding environment, and the flush head of circumference even distribution sprays physiological saline to the center, forms the spiral water flow in the chamber, can ensure the light transmittance of flexible cover, can clearly milling cutter head and the contact state of bone window, cooperation suction operation of suction pipe, can suck out the bone splinter that splashes out of flexible cover, and further can effectively prevent the bone splinter splashing problem.

A non-fixed implant is proposed, which is made of raw materials including a biomaterial, a ceramic matrix composite with excellent osteoconductivity, and a polymer. The non-fixed implant can be precisely fixed to the gap between the skull and the bone flap and can be conveniently used. A method for manufacturing the non-fixed implant is also proposed. The non-fixed implant includes a flexible wedge that can be deformed to conform to the outer contour of the bone flap, and a plurality of wings connected to the upper or lower part of the flexible wedge and extending to both sides of the flexible wedge. The wings have a porous structure. The wings on one side will be located on the bone flap, while the wings on the other side will be located on the skull. The non-fixed implant has the following advantages: it can precisely fill the defect formed by craniotomy, has improved biocompatibility and osteointegration ability, and allows tissue invasion.

To provide a skull model facilitating the understanding of an operation including a brain stem, a skull base, a posterior fossa, and a craniocervical spinal cord transition part since there is no suitable model corresponding to the examination of the operation including the brain stem, the skull base, the posterior fossa, and the craniocervical spinal cord transition part such as an approach to an important part, for example, an ExtremeLateralApproach and a TranscondylarApproach in the operation including the skull base part.SOLUTION: A head model for training or teaching craniotomy of disease in the skull, comprising at least a portion of the temporal bone, the posterior fossa, and the atlanto-occipital joint.SELECTED DRAWING: Figure 1

A cranial fixation device for decompression / expandability craniotomy is described, the device comprising a lid and a plurality of brackets (3A, 3B, 3C, 3D, 3E, 3F), designed to treat a pathology causing a herniation accompanied by an increase in intracranial pressure, and is of the type comprising forming an opening in the skull by milling along the craniotomy edge to be suitable for allowing expansion of the brain, and applying the lid having a protective and accommodating function for the brain at a certain distance perpendicular from the craniotomy edge, and the lid is connected to the craniotomy edge by a plurality of brackets (3A, 3B, 3C, 3D, 3E, 3F) that are simultaneously fixed to the lid and the craniotomy edge.

The invention relates to the technical field of medical instruments, and discloses a severe craniocerebral postoperative self-adaptive incision zero-compression temperature-adjustable ice pillow system, a temperature sensing unit of the system collects incision and ice pillow temperature data, and an initial temperature regulation threshold is determined through a self-adaptive algorithm; the pressure monitoring unit respectively determines initial zero compression parameters in the double monitoring periods and dynamically corrects the parameters according to body position changes; the regulation and control execution unit determines a temperature correction coefficient by calculating the comprehensive matching degree of the incision contact pressure and historical body position data and combining a matching degree threshold value and an intelligent learning algorithm; and the control center completes temperature regulation and control based on the corrected zero compression parameter. The system can realize accurate self-adaptive temperature adjustment in a zero-compression state of the incision according to individual physiological characteristics, operation types and body position changes of patients, effectively improves the safety and effectiveness of intensive craniocerebral postoperative incision nursing, reduces the risk of complications, and is suitable for clinical postoperative nursing scenes.

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 the technical field of neuroscience, in particular to a craniotomy method for obtaining complete rat brain tissue, which comprises two parts of early-stage preparation and skull opening. The early-stage preparation comprises anesthesia, scalp incision and fascia cleaning. The skull opening sequence is sagittal seam cracking, top seam cracking and partial skull opening in sequence. Refined operation design is performed according to skull anatomy, so that the method is remarkably superior to the prior art in the aspects of integrity, operation efficiency and applicability of obtained brain tissues, and reliable technical support is provided for neuroscience research.

The carotid artery compressor comprises a lower neck ring and an upper neck ring, the top of one end of the lower neck ring is fixedly provided with a first rubber block, the top of the first rubber block is fixedly connected with one end of the upper neck ring, and the end, away from the first rubber block, of the lower neck ring is fixedly connected with a third rubber block; air is supplied to the interior of the main compression bag through the air delivery pipe, so that the main compression bag is expanded, accurate and moderate compression is performed on the carotid artery of a patient, the bleeding risk is reduced, a powerful guarantee is provided for smooth operation, in addition, air can be supplied to the three auxiliary compression bags through the lower neck ring and the second air delivery pipe according to requirements, and the operation efficiency is improved. According to the technical scheme, the three auxiliary compression bags are made to expand, so that the three auxiliary compression bags conduct three-point compression on the carotid artery of a patient, the compression effect is enhanced, the compression stability and safety are improved, and the carotid artery of the patient is more comprehensively protected in the operation process.

The utility model relates to the technical field of medical instruments, in particular to a neurosurgical craniocerebral postoperative nursing headgear which is characterized in that the head of a patient is worn by the headgear, a drainage tube on the head can penetrate through an opening seam to be placed in a fixing seat, and then a sealing gasket can be adhered to a surface layer through an adhesive layer. By rotating the threaded rod, the threaded rod can rotate and move in the threaded pipe, and the threaded rod can synchronously drive the clamping plates to move, so that the two clamping plates can make contact with the two sides of the drainage pipe for clamping and fixing. The head sleeve can be stably worn on the head of a patient through mutual adhesion of the hook-and-loop fastener loop surface on the first fixing band and the hook-and-loop fastener hook surface on the second fixing band, so that the head sleeve can fix the drainage tube while protecting the wound surface of the head of the patient, and the drainage tube is prevented from moving and falling off. And functionality can be improved.

The invention discloses a surgical robot collaborative navigation method and system, and the method comprises the steps: S1, carrying out the three-dimensional reconstruction of a surgical site of a patient, so as to obtain a planned surgical path; s2, predicting a shielding track point of the surgical instrument on the surgical path when the surgical instrument moves on the planned surgical path and any marking ball on the first positioning tool is shielded and cannot pass through to cause tracking and positioning of the optical tracking system; s3, shielding the trajectory points, and planning to obtain an optimal collaborative navigation trajectory of the optical tracking system; the surgical robot collaborative navigation system comprises a surgical robot module, a navigation robot module and a collaborative navigation control module composed of a preoperative preparation module, a preoperative shielding prediction module and a collaborative navigation path planning module. The collaborative navigation method and system for the craniotomy operation robot can adapt to the complex operation environment, the planned path has optimality and smoothness, and the adjustment time is short.

The invention relates to the field of medical apparatus and instruments, and discloses a knife-breaking-preventing mechanism which comprises a limiting sleeve and a top sleeve, the limiting sleeve is detachably connected with a skull milling cutter, and when the knife-breaking-preventing mechanism is connected with the skull milling cutter, the top sleeve is matched with a milling cutter hook to clamp the two sides of a skull; the end, abutting against the skull, of the ejector sleeve is perpendicular to the axis of the skull milling cutter, so that the axis of the skull milling cutter can be always kept to be approximately perpendicular to the skull, the cutter breaking phenomenon is prevented to the maximum extent, the problem that the dura mater is damaged is effectively avoided, and the safety coefficient of the skull milling cutter is improved. The top sleeve can slide relative to the limiting sleeve, so that it is ensured that the top sleeve can abut against the outer wall of the head, and the reliability of the knife breaking prevention mechanism is improved. The invention further provides a craniotomy milling cutter assembly which comprises the skull milling cutter, the milling cutter hook and the cutter breaking prevention mechanism, and the operation safety coefficient of the craniotomy milling cutter assembly can be effectively improved through the cutter breaking prevention mechanism.

The present application discloses a craniotomy device for animals, comprising a moving module, a drill bit assembly, a detection component, a load-bearing module and a control module; the moving module is used to drive the drill bit assembly to move along a first horizontal direction, a second horizontal direction and a vertical direction, wherein the first horizontal direction is perpendicular to the second horizontal direction; the drill bit assembly includes a drill body, a rotating shaft and a drill bit, the rotating shaft is rotatably installed on the drill body, the drill bit is installed on the rotating shaft, and the rotation center line of the rotating shaft is parallel to the vertical direction; the detection component is used to detect the pressure information received by the drill bit assembly; one end of the load-bearing module is fixedly connected to the drill body, and the other end is fixedly connected to the moving module, and the load-bearing module can float in the vertical direction to bear at least part of the weight of the drill bit assembly; the control module is communicatively connected to the moving module, the drill bit assembly and the detection component. This craniotomy device can relatively accurately judge the degree of craniotomy, which is beneficial to improving the success rate of craniotomy.

This invention discloses an integrated device for quick-change of end-effector instruments in a craniotomy robot, comprising a support platform with a sliding mechanism and a force sensor on each side; the sliding mechanism includes a sliding frame comprising two sleeves connected by a connecting beam, with two linear slide rods passing through the two sleeves and slidably connected to the sleeves via linear bearings; the bottom ends of the linear slide rods are fixed to the support platform, and springs are fitted on their outer sides, respectively abutting between the sliding frame and the support platform; limiting strips are fitted on the top sides of the two linear slide rods and fastening nuts are threaded onto them to limit the distance between the sleeves and the support platform; a clamping mechanism consisting of two movable grippers is provided on the outer surface of the sliding mechanism, the clamping mechanism consisting of a detachable retaining ring, a locking mechanism, and a latch; this device achieves integrated drilling and milling functions, and can perform flexible bone milling based on real-time force sensing, and has the advantages of easy instrument replacement, disassembly, and high positioning in its structural design.

The invention provides a brain nerve focus directional precise regulation and control device. The brain nerve focus directional precise regulation and control device comprises an SEEG detection device, a TI stimulation generation device and a switching device. The SEEG detection device is connected with the switching device, and the TI stimulation generation device is connected with the switching device; the switching device is connected with a multi-contact SEEG electrode array; the multi-contact SEEG electrode array is switched to be connected with the SEEG detection device or the TI stimulation generation device through the switching device; the SEEG detection device forms a three-dimensional detection network through the multi-contact SEEG electrode array, and the TI stimulation generation device forms a TI stimulation network through the multi-contact SEEG electrode array. The SEEG detection instrument is combined with the TI stimulation generation instrument, the SEEG detection instrument and the SEEG electrode array are used for recording, detecting and positioning the electrical activity of the epileptic area, the TI stimulation generation instrument is used for stimulating the EZ area of the epileptic, and the purposes of regulation and treatment are achieved without craniotomy.

The application relates to the technical field of surgical equipment, and particularly discloses a path generation method and system for mouse cranial window surgery and a storage medium, wherein light is split by a fiber coupler to a reflecting mirror and focused on the surface of a mouse skull, the light reflected by the two is interfered in the fiber coupler, the interference light signal is output to a spectrometer for capture, and the interference light signal is collected by a high-speed data acquisition card; the collected data is processed by Python programming to form a tomographic signal, an algorithm is designed for the tomographic signal to separate the upper and lower surfaces, and a craniotomy path for automatic craniotomy surgery of a micrometer precision small carving machine is generated.

The invention discloses a cerebral infarction operation supporting and protecting assembly and craniotomy operation equipment, and relates to the technical field of medical operation auxiliary equipment. The bed comprises a bed body, a head supporting mechanism and two arm supporting mechanisms are installed at one end of the bed body, and the arm supporting mechanisms are located on the two sides of the head supporting mechanism correspondingly; the head supporting mechanism comprises a fixing frame, a supporting plate is fixedly connected to the top of the fixing frame, fixing assemblies for fixing the head are arranged on the two sides of the supporting plate, each fixing assembly comprises a first fixing shaft, the first fixing shaft is fixed to one side of the supporting plate, and a fixing ring is fixedly connected to the circumference of the first fixing shaft; the circumference of the first fixing shaft is movably sleeved with a rotating plate, a first sliding way is formed in one side of the rotating plate, and a sliding plate is slidably connected into the first sliding way. The device is used for supporting and fixing the head and arms of a patient in a cerebral infarction operation, and operation convenience and safety are improved.

The invention discloses a craniotomy post-operation nursing device which comprises an outer-layer skeleton, an inner-layer skeleton, a liquid feeding device, a liquid storage bottle and a hose, the edges of the outer-layer skeleton and the inner-layer skeleton are bent towards the center, a gap is formed between the outer-layer skeleton and the inner-layer skeleton, and a mounting hole is formed in the end face, close to the inner-layer skeleton, of the outer-layer skeleton. Mounting holes are formed in the two frameworks, movable pipe clamps are mounted in the mounting holes, hoses are clamped in the pipe clamps, the hoses and the movable pipe clamps are both located in a gap between the two frameworks, the two ends of each hose are both communicated with the liquid feeding device, and arrayed small liquid spraying holes are formed in the same face of the middle section of each hose; a skeleton is used for wrapping a head fixing hose, a liquid feeding device is used for conveying liquid medicine into the hose to spray the liquid medicine to a wound, and a self-priming pump is used for circulating the residual liquid medicine in the hose into a liquid storage bottle, so that the tedious trouble that nurses disinfect the wound of the head of a patient is solved; and secondary injury is easily caused to the surgical position of the patient, so that pain is caused.

The present application relates to the technical field of corpse autopsy auxiliary device, provide a kind of craniotomy auxiliary device, including fastening ring, fastening ring is equipped with auxiliary ring, fastening ring and auxiliary ring are all fitted on the head of corpse, and guiding groove for limiting the movement of craniotomy electric saw is equipped between auxiliary ring and fastening ring;Limiting frame is also arranged between fastening ring and auxiliary ring, limiting frame is arranged across guiding groove, limiting frame is slidably installed on fastening ring and auxiliary ring respectively, and limiting frame moves synchronously with craniotomy electric saw.The present application solves the problem that craniotomy is carried out by hand-held craniotomy electric saw in the current craniotomy process, the force of electric saw in the radial direction and tangential direction of head needs to be considered simultaneously, which leads to troublesome operation, time-consuming and laborious, and easy to saw deep and damage brain tissue.

The utility model discloses a collecting device for scalp hemostatic clips for craniotomy, which comprises a device main body and an inner frame, a plurality of collecting grooves for placing the scalp hemostatic clips are arranged at the upper part in the device main body in a rectangular array, and the inner frame is arranged at the upper part in the device main body. The inner frame is used for conducting auxiliary fixing on the scalp hemostatic clips in the collecting grooves, the inner frame comprises single frames and connecting parts, the number of the single frames corresponds to the number of the collecting grooves one to one, every two adjacent single frames are connected through the connecting parts, and inner clip liners are installed at the edges of the inner sides of the single frames in an embedded mode. The collecting device is suitable for craniotomy, after the craniotomy is finished, the scalp hemostatic clips can be placed in the collecting groove one by one, so that whether all the scalp hemostatic clips are completely collected in place or not can be clearly known at a glance, counting is not needed, the head and tail speed of the operation can be increased, and the working efficiency is improved. And the situation that the scalp hemostatic clip is omitted can be avoided.

The invention provides a skull simulation model and a craniotomy training method and system.The skull simulation model comprises a skull simulation part, a skull three-dimensional model is established according to image data of a skull to be simulated, and the skull three-dimensional model is obtained after 3D printing is carried out on the skull three-dimensional model; the dura mater simulation part is obtained by covering the inner side of the skull simulation part with a plastic film with a first thickness; the brain tissue simulation part is used for establishing a brain tissue three-dimensional model according to the image data, performing 3D printing on the brain tissue three-dimensional model to obtain a brain tissue mold, and filling the brain tissue mold with water-swelling ultra-light shaping clay to obtain the brain tissue simulation part; the soft meninx simulation part is obtained by wrapping the brain tissue simulation part with a plastic film with a second thickness, and the second thickness is smaller than the first thickness; the skull simulation model is obtained by assembling the skull simulation part covered with the cerebral dura mater simulation part and the brain tissue simulation part wrapped with the soft meninx simulation part according to the image data. All the simulation parts have the characteristics consistent with the actual conditions of all the parts in the head. Therefore, the skull simulation model provided by the scheme has higher consistency with a real skull, and the operation training effect can be really improved by adopting the skull simulation model provided by the scheme to carry out craniotomy operation training.