44 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 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.

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.

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 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 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.

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 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 discloses a non-craniotomy implanted double-coil targeted brain stimulation device and method, and belongs to the technical field of nerve regulation and control, and the device comprises magnetoelectric particles which are used for generating local current stimulation to a target brain region under the action of an alternating magnetic field; the non-craniotomy implantation assembly is used for conveying the magnetoelectric particles to a target brain area through an endovascular intervention path or a nasal cavity-brain path; the focusing magnetic stimulation device is used for generating an external magnetic field excitation source and providing an alternating magnetic field for the magnetoelectric particles; the image navigation and positioning module is used for positioning the focusing center of the alternating magnetic field to the center of a target brain region, and the focusing center corresponds to the position where the magnetoelectric particles are conveyed; and the magnetic stimulation control module is used for adjusting stimulation parameters of the focusing magnetic stimulation device so as to regulate and control the alternating magnetic field to generate local induction current stimulation in the target brain area through the magnetoelectric particles. The method is used for brain stimulation based on the device. The problem that it is difficult to accurately stimulate the deep brain area without craniotomy is solved.

Disclosed are a control method for a terminal adapter of a mechanical arm, a surgical robot system, and computer-readable storage medium. The control method includes acquiring a first path, the first path passing through a second target point and a second craniotomy point, and the terminal adapter being located at a third anchor point, and the first path passing through the third anchor point, the second craniotomy point, and the second target point in sequence; and obtaining a position command, and controlling the terminal adapter to move along a first plane or a first spherical surface in which the third anchor point is located according to the position command, wherein the first plane is perpendicular to the first path.

The application discloses a head compression tourniquet, and relates to the technical field of medical auxiliary instruments, which comprises a compression band, and a plurality of annular main adjusting air bags are arranged on the inner side wall of the compression band. The setting of the triangular block, the rotating shaft, the connecting plate, the U-shaped rod, the first wedge-shaped block, the second wedge-shaped block, the limiting rod and the adjusting spring realizes automatic switching of the compression position of the patient while guaranteeing the hemostasis effect, avoids problems such as blood vessel adhesion, end tissue necrosis and the incapability of growing hair caused by the compression of the same position for a long time during a craniotomy operation, and the setting of the pressure relief valve enables the self-adaptive adjustment of the inflation amount of the head circumference of different positions of the head during the switching of the auxiliary air bag, so that the same pressure effect of the head is maintained during the switching of the auxiliary air bag, the problems of insufficient pressure and massive bleeding of the wound do not occur, and the problem of excessive pressure and the occlusion of the blood vessels of the patient to form thrombus does not occur.

The application discloses a craniotomy post-recovery device with good controllability and air permeability, and particularly relates to the technical field of brain department medical instruments, which comprises a skull cap body, a heat dissipation and air permeation control mechanism and a protection range adjusting mechanism are installed in the skull cap body. The protection range adjusting mechanism is installed in the combined transmission groove, so that three pairs of fan-shaped plates, three pairs of folding plates and the skull cap body are combined to form craniectomy support frames with different sizes, the craniectomy support frames are used for supporting and protecting the craniectomy, the support frames are suitable for wounds with different areas and have high position stability, the lower part of the skull cap body is provided with a circular arc groove, so that the support frame cannot press the craniectomy in use, and the protection is high; the heat dissipation and air permeation control mechanism is installed in the air exchange groove, so that the air permeation amount of the skull cap can be increased or reduced, the skull cap does not need to be disassembled and installed for many times, the air permeation and heat dissipation requirements of the craniectomy of the patient can also be met, the patient's wound recovery is facilitated, and the pain of the patient is reduced.

The application discloses a craniotomy drill, which comprises a supporting and positioning assembly, a driving component, a drill bit and a control component; a limiting rod is arranged on a frame; a driving machine one is in sliding connection with the limiting rod, and a telescopic end of an electric telescopic piece is connected with the driving machine one; the drill bit is connected with an output rotating shaft of the driving machine one; an opening is arranged on a side wall of the drill bit, and a flexible push piece is embedded in the opening; a detection end of a torque sensor is connected with the output rotating shaft, and the driving machine one, the electric telescopic piece and the torque sensor are electrically connected with a controller. The limiting rod can abut against a skull, so that the drill bit cannot be dislocated; before the limiting rod abuts against the skull, the drill bit is precisely positioned by using a positioning rod; after the drill bit is positioned, the drill bit can be fed at a certain speed; when the drill bit is about to drill through the skull, the driving machine one and a driving machine two can immediately stop rotating; bone scraps on the outside of the drill bit can be pushed by the flexible push piece to a region far from the opening position, so that the bone scraps cannot fall into the skull.

The application discloses a bone drill feeding amount control device for craniotomy, which comprises a symmetrical base, an arc-shaped track installed on the base, and the feeding amount control device slidingly arranged on the arc-shaped track, a second clamping assembly on the arc-shaped track, an adjusting mechanism fixedly arranged on the second clamping assembly, and an electric drill for drilling bone drivenly connected with the adjusting mechanism, and a guide rod arranged between the second clamping assembly and the electric drill, so that the electric drill always reciprocally slides along the guide rod under the action of the adjusting mechanism. The electric drill can be deflected on the foot side of the patient's head and deflected left and right through the simple screw rod mechanism and the arc-shaped track, and various required angles are met, so that the drilling angles in the existing craniotomy can be effectively fixed, and the drilling head feeding amount can be arbitrarily controlled at any time through the adjusting mechanism, and the brain tissue damage caused by drilling inertia is eliminated.

Proposed is a non-fixing implant made of a raw material including a biomaterial and a ceramic-based composite material having excellent osteoconductivity in addition to a polymer. The non-fixing implant can be accurately secured to a gap between the skull and the bone flap and can be conveniently used. Further proposed is a method of manufacturing the non-fixing implant. The non-fixing implant includes a flexible wedge deformable to conform to the external contour of the bone flap and a plurality of wings connected to an upper or lower portion 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 positioned on the bone flap and the wings on the other side will positioned on the skull. The non-fixing implant has the advantage of being capable of accurately filling a defect formed by craniotomy, has improved biocompatibility and bone bonding ability, and allows tissue invasion.

The application provides a mouse craniotomy automatic laser hair removal method and device, and relates to the technical field of surgical robots.The method comprises the following steps: controlling a displacement table to move in a preset collection height range, acquiring a first image of a mouse head collected by an image collection device at different collection heights; identifying target processing areas of the first images at different collection heights, and determining the definition of each target processing area; obtaining a processing height for automatic laser hair removal based on the collection height of the first image to which the target processing area with the highest definition belongs; and controlling a laser device to perform scanning ablation according to the processing height and the corresponding target processing area, so that full-automatic removal of complex curved hair can be realized, thereby meeting the standardization requirement of the surgical robot.

The invention provides a guide wire with an electrode and an intravascular electrophysiological signal monitoring system, and belongs to the technical field of interventional medical instruments. The guide wire with the electrode comprises a guide wire body, and the guide wire body is provided with a tail wire section, a body section and an information collection section which are sequentially arranged in the extending direction from the near end to the far end. The tail line section is used for transmitting signals to the outside, an electrode used for collecting signals is arranged on the information collection section, and the electrode is electrically connected with the tail line section; during working, the guide wire main body is conveyed to an intracranial target blood vessel through femoral artery or radial artery puncture, and the information acquisition section acquires an intracranial electrophysiological signal and transmits the intracranial electrophysiological signal to the tail line section for real-time monitoring; real-time monitoring of intracranial electrophysiological signals can be achieved through an intravascular path, so that craniotomy or drilling surgery is avoided, surgical wounds and medical risks are reduced, operation procedures are simplified, secondary surgery is avoided, and clinical requirements for minimally invasive, safe and efficient monitoring schemes are met.

The utility model discloses a neurosurgery craniocerebral postoperative incision drainage device, and relates to the technical field of neurosurgery craniocerebral postoperative drainage. The device comprises a vertical rod, a telescopic rod is connected into the vertical rod in a sliding mode, fixed rods are fixedly connected to the left side and the right side of the top of the telescopic rod, arranging assemblies are arranged below the two fixed rods, and each arranging assembly comprises a movable rod connected to the corresponding fixed rod in a sliding mode. The arrangement assembly is arranged, specifically, the drainage device is hung on the hanging frame, after a catheter is connected, the catheter is pushed between the two arc-shaped clamping blocks, at the moment, the catheter smoothly enters the arc-shaped positions in the arc-shaped clamping blocks, the arc-shaped clamping blocks are reset under the elastic effect of the elastic pieces, the catheter is clamped and fixed, and therefore the catheter is prevented from falling off. Other catheters can be arranged in the same mode, so that the situation that the catheters are messy is greatly reduced, drainage is more stable, and the situation that the catheters are pulled is reduced.

The craniotomy scissors comprise a first scissor element and a second scissor element, the first scissor element comprises a first scissor head, a first scissor handle and a first finger ring which are sequentially and fixedly connected into a whole, and the second scissor element comprises a second scissor head, a second scissor handle and a second finger ring which are sequentially and fixedly connected into a whole. The first cutter handle is rotationally connected with the second cutter handle; a second tool bit on the second scissor element is bent in an arc shape, and a tool groove penetrating through the two sides of the second tool bit is formed in the second tool bit; the first tool bit is bent in an arc shape, and when the first tool bit is inserted into the tool groove, a shearing effect is achieved between the first tool bit and the inner walls of the second tool bits on the two sides of the tool groove. A suction channel is arranged in the first scissor element or the second scissor element, and an outlet of the suction channel can be externally connected with a negative pressure machine. According to the utility model, observation is facilitated, the probability of bumping brain tissues under the meninx in the meninx cutting process is effectively reduced, and the probability of cutting the brain tissues by mistake is effectively reduced, so that the meninx cutting device has great market application and popularization values.

This invention discloses a fixation frame for external ventricular drainage cranial bone window, comprising a base and a support. The base has a through-hole at its end and also has a slot and a groove. A reinforcing plate is fixed to the base, and a through-slot is provided at the corresponding position of the reinforcing plate and the groove. The support has a locking block and a tube passage hole, and the locking block has a positioning hole. The locking block is inserted into the slot, and the end of the base with the fixation hole is embedded in the inner edge of the bone window and fixed to the cranial bone window by screws. This invention has a simple structure, low manufacturing cost, and can effectively fix the drainage tube, thus meeting current surgical needs. In addition, this invention has great benefits for the treatment and promotion of ventriculoperitoneal drainage in hydrocephalus, improving the difficulty of fixing the drainage tube and the problem of closing the cranial bone window in this surgery, and has great clinical application value and application prospects.

1. The name of the design product: electroencephalogram electrode. 2. The use of the design product: used for collecting high-quality electroencephalogram signals in the brain without craniotomy. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 5 perspective view. 5. Design 5 is designated as the basic design.