78 results about "Vertebral column" patented technology

1. The name of the design product: Spinal release device (balanced spine). 2. The use of the design product: Massage, physiotherapy for the spine. 3. The design points of the design product: In shape. 4. The picture or photo that best indicates the design points: Perspective drawing.

The invention relates to the technical field of spinal fracture treatment, in particular to a spinal fracture controllable expansion reset device which comprises a first insertion screw rod, a first locking bolt is arranged in the first insertion screw rod, and a middle connecting piece is arranged at the top of the first insertion screw rod. According to the spinal fracture controllable expanding and resetting device, by arranging the adjusting and locking assembly, a first insertion screw rod is screwed into the spine, then a second insertion screw rod can be pushed to rotate around a rotating shaft rod, and the angle of the second insertion screw rod needs to be adjusted according to a pointer and a scale ring plate when the second insertion screw rod is arranged at the initial position; the second insertion screw rod is inserted into the vertebral column, it is ensured that the second insertion screw rod is aligned with the bent vertebral column when placed into the vertebral column, after the second insertion screw rod is adjusted to the vertical direction, a locking screw rod and a nut need to be used for locking, and therefore the angle of the second insertion screw rod is locked, centrum reduction treatment is completed, spine fracture distraction reduction can be achieved in a posterior operation, the reduction effect is excellent, and practicability is high.

The utility model relates to the technical field of furniture, and discloses a multifunctional combined mattress which comprises a non-slip mat, a first mattress, a second mattress, a third mattress and a fourth mattress are sequentially installed on the top of the non-slip mat from front to back, shells are installed between the second mattress and the first mattress and between the second mattress and the third mattress, elastic fabric is fixedly connected to the tops of the shells, and the elastic fabric is arranged on the top of the non-slip mat. A fixing block is fixedly connected to the middle of the shell, a two-way threaded rod is rotationally connected to the middle of the fixing block, one end of the two-way threaded rod penetrates through the shell and is fixedly connected with a rotary knob, and a threaded block is in threaded connection to the periphery of the two-way threaded rod. According to the utility model, firstly, the knob is rotated to drive the bidirectional threaded rod to rotate, so that the two threaded blocks move at the same time, and the spring layer and the filling layer are jacked up through the inclined strut, so that the filling layer can support the cervical vertebra and the lumbar vertebra of people, and the spine of the filling layer keeps a correct physiological curve when people lie flat; the pressure on the spine in daily life is relieved.

Example rocker reducer instruments securely engage a receiver that is implanted in a vertebra of the spine and move a spinal fixation element, such as a rod, into a channel formed in the receiver. Example instruments pivot around their contact point with the receiver and a cross-pin or foot feature on the instrument makes contact with the spinal rod and applies a downward force to reduce the rod into the receiver. Further, example instruments can contain a stopping mechanism to limit the amount of compressing force applied to the receiver while maintaining the instrument in a rigid, closed position.

The application discloses a magnetic therapy mattress convex structure for cervical and lumbar vertebra regions and relates to the technical field of magnetic therapy mattresses. The magnetic therapy mattress convex structure comprises an outer frame and a mattress convex assembly assembled on the inner side of the outer frame. The mattress convex assembly comprises two groups of eccentric transmission wheel structures arranged oppositely, the eccentric transmission wheel structures generate wave arc motion with continuous undulation, and a plurality of spring magnet composite units are arranged on the eccentric transmission wheel structures. Each group of the spring magnet composite units is further provided with a convex module simulating a spinal process. The wave arc motion with continuous undulation generated by the eccentric transmission wheel structure can match the physiological curvature of the cervical and lumbar vertebrae of the human body, and can effectively prevent or improve the degenerative diseases of the cervical and lumbar vertebrae. Meanwhile, the spring magnet composite units are designed in an integrated mode, can integrate the dynamic magnetic therapy and the positioning physiotherapy function of the bionic convex module, and have a positive effect on improving the rehabilitation auxiliary treatment of the cervical and lumbar vertebra diseases.

The invention discloses a centrum reduction device for an orthopedic spinal operation, and relates to the centrum reduction technology, the centrum reduction device comprises a bearing base erected on one side of an operating bed, and moving guide wheels are arranged at four corners of the bottom surface of the bearing base; a positioning mechanism is arranged in the bearing base, and the positioning mechanism comprises a positioning sliding groove; wherein positioning raised lines are arranged on the top surface of the positioning touch plate at equal intervals, and the positioning touch plate drives the positioning raised lines to be attached to the bottom surface of the operating bed; a reset mechanism is arranged above the bearing base and comprises a longitudinal sliding frame and a transverse sliding frame. According to the centrum reduction device for the orthopedic spinal surgery, the bearing base drives the reduction mechanism to be erected on one side of the surgical bed, the situation that the rest surgical operations are affected by centrum reduction operation is avoided, meanwhile, the bearing base locked between the bearing base and the surgical bed improves the stability of the reduction operation, and the centrum reduction device is adaptive to different spine positions through transverse and longitudinal adjustment; and secondary nerve injury caused by centrum reduction is avoided.

This invention relates to the field of biomimetic teaching aids, and proposes a quadrupedal vertebrate biomimetic teaching aid, comprising a spine unit, a tail component, and a head component. The spine unit includes a connecting plate, a rotating plate, rotating rods, and connecting shafts. The two ends of the rotating rods are rotatably connected to the connecting plate and the rotating plate, respectively. Three rotating rods located on the same side of the connecting plate are of equal length and arranged in a triangular parallel configuration. The two connecting shafts can drive the tail component and the head component to shake. By setting up the connecting plate, rotating plate, rotating rods, and connecting shafts, and utilizing their mutual cooperation, this invention not only allows for adjustment of the axial distance between the two connecting shafts according to actual needs to meet the positional requirements of the biomimetic animal, but also allows the other connecting shaft to rotate synchronously when one is rotated, thereby shaking the head component and tail component separately. This enriches the morphological variations of the biomimetic teaching aid and enhances its teaching and demonstration effects.

The present application relates to a kind of implantable fixation device and method for mouse spinal cord administration, the device includes: catheter assembly, which includes sleeve, injection inner tube and locking nut, the catheter assembly is used to carry out fixed-point infusion in spinal cord parenchyma by the bone hole opened on vertebral vertebra;Vertebra fixation assembly, which includes two V-shaped supports for clamping and fixing on the two sides of the outer periphery of vertebra;And bonding reinforcement system, which includes the initial solid seal layer formed by adhesive to realize the sealing between bone hole and catheter assembly and the structural holding adhesive resin layer formed by resin to realize the fixation between vertebra fixation subassembly and vertebra.The present application designs special vertebra fixation assembly: V-shaped support, and is combined with "biological glue preliminary adhesion" and "dental cement overall wrapping", and constructs a multi-level, rigid-flexible combined "sandwich fixation" composite fixation system.

The application discloses a kind of construction methods and applications of spinal key point positioning model, belong to image processing technical field;The application constructs a kind of model from coarse to fine according to the order from root node to vertebral center point to corner point, the whole model uses the average key point information collected in advance to ensure the topological structure of spinal key point positioning result, while the key point positioning process is guided by point, first align a root node can let the center of whole spine align, so that the approximate center point area of the spinal scoliosis image of various conditions can be aligned first, then further corner positioning is carried out, so as to reduce the positioning error generated by the average center point position deviation from the position area of spinal vertebra in some scoliosis conditions;At the same time, each positioning module includes a positioning unit, and the interpolation of the feature map is differentiable, so that end-to-end training of the whole model becomes possible, and the spinal key points can be accurately positioned.

The invention relates to a spreading device (1) for maintaining a predetermined distance between adjacent spinous processes (21, 22) of a vertebral body, comprising a threaded section (3) having a first end element (310) arranged on a first end section (31) for interlocking contact with a first spinous process (21) of a vertebral body, a second end element (320) arranged on a second end section (32) opposite the first end section (31) for interlocking contact with a second spinous process (22) of a vertebral body, and a screw (4) for adjusting a distance between the first and second end elements (310, 320), in order to brace the first and second end element (310, 320) against the first and second spinous process (21, 22) such that the contacting end elements (310), 320) are clamped.

The utility model discloses a kind of turning-over pillow facilitating adjustment of spinal curvature, to solve the problem that existing turning-over pillow cannot accurately match different segment spinal natural curve, leading to unstable problem when postoperative patient of spinal column turns over;The turning-over pillow includes turning-over pillow structure, and its turning-over pillow main body inside corresponding human spine position is inclined and multiple electric push rods are distributed along linear array, electric push rod output rod side is connected by multiple groups of universal shaft linearly, and is controlled by electric control module of turning-over pillow main body corner, electric control module is also connected air pump, air pump is communicated with air bag in the bottom of turning-over pillow main body by pipeline, and air bag is equipped with spacer and pipe groove in turning-over pillow main body;By electric push rod and universal shaft cooperation, each segment curvature of spinal column can be accurately adapted, air bag assists adjusting turning-over angle and adapting human body, pipe groove and spacer guarantee smooth drainage and comfortable use, suitable for the rehabilitation nursing of postoperative patient of spinal column.

An assembly for correcting spinal deformities may include at least lateral rods extending across adjacent vertebrae to be retained at either end by pedicle screws. A cross-coupler may be coupled to each lateral rod, and a longitudinal rod may run along the spine and be coupled to the lateral rods by the cross-couplers. The assembly may be used to correct spinal deformities by manipulating the pedicle screws or cross-couplers to rotate about the lateral rods or the longitudinal rod.

The invention belongs to the technical field of spinal operation brackets, and particularly discloses a spinal operation bracket device for neurosurgery, which is provided with a body position pad, the body position pad is used for supporting the body position of a patient, the body position pad is provided with at least one group of adjusting pads, and each adjusting pad comprises an adjusting assembly and a supporting assembly. The adjusting assembly comprises a cam shaft assembly, a guide rail and a sliding block, the supporting assembly comprises a plurality of base bodies and a plurality of sets of auxiliary supporting pieces, the multiple sets of auxiliary supporting pieces are arranged in mounting grooves between every two adjacent base bodies in a one-to-one correspondence mode, each set of auxiliary supporting piece comprises a lifting mechanism, a driving mechanism and a plate body, and the output end is connected with a driving shaft; the driving mechanism converts sliding linear motion of the base bodies into rotation and drives the driving shaft to rotate through the output end, and after the base bodies slide, the plate bodies rise along with the telescopic ends to be located in the gaps between the two adjacent base bodies. The problem that an existing single cushion body only adjusts the distance but cannot adapt to individual spine characteristics is thoroughly solved.

The invention relates to a spine osteotomy guide plate which comprises a first body, a second body, a plurality of first osteotomy guide needles and a plurality of second osteotomy guide needles, the first body is provided with a first osteotomy guide face, the second body is provided with a second osteotomy guide face, and the first osteotomy guide face and the second osteotomy guide face are used for osteotomy guide of a spine posterior column; the plurality of first osteotomy guide needles are detachably connected to the first body, extend along the first osteotomy guide surface and are used for increasing the guide distance of the first osteotomy guide surface; the plurality of second osteotomy guide needles are detachably connected to the second body, extend along the second osteotomy guide surface and are used for increasing the guide distance of the second osteotomy guide surface; wherein the first osteotomy guide needle and the second osteotomy guide needle both extend to the cortical bone position of the anterior column of the spine and are used for osteotomy guide of the anterior column of the spine.

This present invention relates to an electric spine back pain-relieving device. The device is configured to be integrated or retrofitted to backrest of a chair for providing support to spine of a user. The device has a set of modules and has an integrated electric source for providing mechanical pressure on facet joints of vertebra of spine of a human. Each module carries a set of spindles comprising a pair of barrel-shaped or spherical spindle nodules that are positioned upon facet joints of the spine for alleviating pain. The electric source may be selectively activated using a push button and the device works on one of the two modes: single action mode and block action mode.

The present application relates to the technical field of lung-related acupoint positioning, and particularly relates to a method for acupoint auxiliary positioning of acupuncture for lung treatment. Based on a human back image, first, the relative distance of each point is calculated through the distance distribution of the pixel point and the shooting point, and then the curvature value is derived. Subsequently, edge detection is performed, the angle information of the edge pixel points is extracted, all edge points are classified according to the angle difference and the spatial distribution characteristics, and the edge angle difference of all edge and pixel points is obtained. The edges with mixed distribution of positive and negative curvature values are screened as the target to be analyzed, and the bone quality index is calculated in combination with the internal angle difference fluctuation characteristics and the curvature distribution mode. According to the bone quality index strength and the positive and negative characteristics of the curvature, the edges are accurately divided into the spine region and the scapula region. The present application can accurately identify the spine region and the scapula region on the human back, thereby facilitating relevant personnel to accurately identify acupoints.

The present application relates to the technical field of medical rehabilitation equipment, in particular to a spinal cord injury rehabilitation exercise device and an exercise method thereof, comprising a supporting base, a spinal vertebra seat adjusting mechanism, a lower limb training mechanism and an upper limb training mechanism.In the present application, the gear rack transmission structure is composed of the toothed plate, the T-shaped positioning sliding block and the transmission gear, and is limited and guided by the T-shaped sliding groove, so that the position of the seat can be stably adjusted, and the multi-angle backrest of the seat can be adjusted by the servo motor, so that the sitting posture and the backrest angle can be individually adjusted according to the height of the patient, the injured part of the spinal vertebra and the rehabilitation stage, the human body spinal physiological curvature can be accurately fitted, the spinal posture adjustment, the passive training of the lower limbs and the resistance stretching of the upper limbs are integrated on the same supporting base, the rehabilitation training of the waist, the upper limbs and the lower limbs of the patient can be completed by one device, the rehabilitation process is simplified, the occupied space of the device is reduced, and the overall structure has high automation.

The present disclosure provides a vertebral rare disease vertebral body morphology analysis processing method, system and device, the method comprising: acquiring a plurality of sample vertebral body images under a target scene; performing segmentation processing on each sample vertebral body image to obtain a plurality of sample segmentation results of vertebral bodies; acquiring a plurality of dimension sample morphology representation parameters corresponding to each vertebral body; performing clustering processing based on different sample morphology representation parameters to obtain different clustering ranges to acquire target classification association information for distinguishing different vertebral body morphologies of vertebral rare diseases. In the present disclosure, a multi-segmentation model fusion segmentation processing is adopted for any one unlabeled sample vertebral body image to obtain the optimal segmentation area of any one vertebral body; clustering processing is performed based on the sample morphology representation parameters of each vertebral body to quickly and accurately obtain relevant information for distinguishing different vertebral body morphologies of vertebral rare diseases, thereby ensuring the accuracy and efficiency of the analysis and processing of vertebral body morphology.

The invention belongs to the technical field of spine joint fixation, and particularly relates to a surgical spine correcting and fixing device which comprises an outer joint assembly, a rotary joint assembly, a lead screw adjusting assembly and a double-shaft limiting elastic assembly, and the outer joint assembly and the rotary joint assembly are rotationally connected through the lead screw adjusting assembly; the double-shaft limiting elastic assembly is arranged between the outer joint assembly and the rotary joint assembly. The distance between the two sliding baffles can be adjusted by rotating the hand wheel, so that the compression amplitude of the spiral elastic piece is adjusted, and then the micro-motion resistance and the micro-motion amplitude of the sliding base relative to the outer joint base are adjusted so as to meet the requirements of different recovery stages; when the axial length of the spiral elastic piece is large, the elastic force of axial compression and radial torsion is small, and at the moment, the resistance of joint micromotion is small; when the axial length of the spiral elastic piece is small, the elastic force of axial compression and radial torsion is large, and at the moment, the resistance of joint micromotion is large.

This invention discloses a geometric parameter calibration method for an X-ray imaging system, relating to the field of medical imaging equipment technology. This invention significantly improves the adaptability of portable X-ray equipment in scenarios involving rapid switching between pets of various sizes through an anatomical feature-driven parameter self-calibration mechanism. Utilizing the inherent proportional relationships of mammalian skeletons, such as the ratio of intervertebral space to rib width, geometric parameter calibration is completed in a single exposure, eliminating reliance on traditional physical calibration modules and avoiding proportional distortion of reconstructed images due to size differences. For live respiratory motion, respiratory frequency components are separated in the frequency domain of the projection data, and displacement errors are dynamically corrected through reverse compensation, effectively suppressing motion artifacts without the need for external control equipment. For the edge distortion problem of low-cost detectors, a polynomial distortion model is constructed based on the symmetry of 180° projection, combined with a robust iterative optimization algorithm, to automatically complete calibration during initial power-on or periodic scans.

The invention discloses an intelligent bionic mechanical hedgehog. A controller is arranged on the frame body; the spine assembly is fixedly connected with the frame body and located above the frame body; a head assembly; a forelimb assembly; a caudal vertebra assembly; a posterior limb assembly; a controller; according to the head, double-drive equipment is adopted to be matched with multiple sets of connecting pieces, and up-and-down rotation, left-and-right head turning and multi-angle fine adjustment can be achieved; the four limbs are independently controlled through double motors and a plurality of groups of hinged structures, so that complex actions such as soil digging, creeping and jumping can be completed; the caudal vertebra is composed of a plurality of hinged assemblies and can be bent synchronously along with curling of the body. Through cooperation of multiple driving modes, the equipment can accurately repeat various motion postures of a real hedgehog, the motion is smooth and natural, and no mechanical lagging feeling exists. Moreover, the spine assembly is designed according to a real hedgehog spine curve, the section number and the connection mode of the caudal vertebra assembly fit biological physiological characteristics, and the arrangement of four limbs in bilateral symmetry is matched, so that the stability of the gravity center during overall movement is ensured, and single-side inclination is avoided.

The utility model discloses a kind of guiding formula arc intervertebral fusion cage sets, it includes: shaft sleeve, intervertebral fusion cage and guide needle, the shaft sleeve includes: first blocking part and second blocking part, the intervertebral fusion cage is housed in the shaft sleeve, the intervertebral fusion cage is configured to rotate radially from the shaft sleeve, the guide needle is configured to pass through the intervertebral fusion cage to guide the intervertebral fusion cage to target position, when carrying out spinal interbody fusion cage fusion, intervertebral fusion cage can be guided to the vertebral body opening of target, is implanted with the rotation to comply with the arc of vertebral body, to avoid injury surrounding nerve root or soft tissue, and reduce the opening area required for operation, reach the requirement of wound range minimization.

The utility model provides a full-porous spine fusion cage with an extremely-small curved surface structure, and belongs to the technical field of medical instruments. The utility model comprises an extremely small curved surface porous structure which is a three-period spiral curved surface; the bone grafting windows are arranged on the pair of cambered surfaces of the extremely-small-curved-surface full-porous structure and are used in cooperation with bone grafting; and the instrument clamping area is arranged in the middle of the bottom surface of the extremely-small-curved-surface porous structure, is communicated with the bone grafting window and is used for clamping the spinal fusion cage by an instrument. According to the utility model, an extremely small curved surface porous structure formed by a three-period spiral curved surface is adopted, the comprehensive mechanical property is excellent, and the static compression strength and the fatigue strength are improved by more than 50%; the matching degree of the elasticity modulus and the human skeleton is high, the stress load is uniformly distributed, the mechanical reliability is high, and the anti-fatigue capability is strong; no compact solid part exists, so that the contact area with bones and the bone tissue ingrowth space are increased; blood is rapidly sucked into the pore channel through the capillary effect, bone fusion and vascularization are facilitated, and bone conduction, bone fusion and bone ingrowth performance is outstanding.

This invention discloses an automatic bone structure segmentation method, system, electronic device, and storage medium. The method utilizes a pre-trained multi-level, multi-task model group for subdividing the bone structure of a single vertebra, achieving automatic segmentation and extraction of bone structures. This reduces manual intervention and solves the problems of low efficiency and unreliability associated with manual annotation and segmentation of bone structures in existing technologies, laying a solid data foundation for subsequent clinical surgical planning. Furthermore, based on clinical indications and planning requirements, the method uses pre-trained primary and secondary cutting models to further subdivide the bone structure of a single vertebra. The multi-level, multi-task fine segmentation model group strategy, segmenting substructures from coarse to fine, can significantly improve segmentation accuracy.

The present invention belongs to the technical field of medical image processing. Disclosed in the present invention is a two-step spinal X-ray image processing method based on single-vertebral-body segmentation, the method comprising: step S1, using a YOLOv8 object detection model to identify the position of each single spinal vertebral body in an X-ray image, and generating single-vertebral-body bounding boxes; step S2, performing detailed segmentation within each detected single-vertebral-body bounding box, so as to precisely delineate a spinal contour; and step S3, performing feature point identification within the single-vertebral-body bounding boxes, and using a YOLOv8 POSE model to identify key feature points of vertebrae, so as to further improve the precision of feature point identification. In the two-step spinal X-ray image processing method based on single-vertebral-body segmentation disclosed in the present invention, bounding boxes obtained by means of a YOLOv8 POSE model are imported into a U-Net network for segmentation, such that object detection and semantic segmentation are combined to improve the precision of spinal segmentation and the accuracy of identification.

A machine learning method and system for predicting a fracture risk based on spinal radiographic images and a method and system for predicting a fracture risk are provided. A method for machine learning to predict fracture risk based on spinal radiographic image using a microprocessor includes i) providing cohorts' spinal radiographic images, whether they have a vertebral fracture, and whether they have osteoporosis as a learning data, ii) providing a first artificial intelligence model by first machine learning the spinal radiographic image as a first input value, status of the vertebral fracture and the osteoporosis as first labels; and iii) providing a second artificial intelligence model by performing second machine learning using a vertebral fracture score and an osteoporosis score output from the first artificial intelligence model unit, cohort's age, cohort's height, and cohort's body mass index (BMI) as second input values, and the status of a vertebral fracture as a second label.

The present application relates to the field of medical devices, and relates to a flexible nail-rod system for thoracolumbar spinal internal fixation, which comprises a flexible screw, a connector, a rigid rod and a motion retainer, wherein the flexible screw comprises a nail cap, a lock block two, nail beads, a lock block one, a drill bit, a flexible steel wire and a fixing screw; a plurality of nail beads are connected in a head-tail mosaic manner to form a flexible screw body, the flexible screw body is provided with uniformly distributed channels, the flexible steel wire penetrates through the channels, the tail of the flexible steel wire is fixedly connected with the lock block one, the head of the flexible steel wire is slidably inserted into the inside of the nail cap, the drill bit is fixed to the right end of the lock block one, the lock block two is fixed to the right end of the nail cap, the fixing screw is threadedly connected to the inside of the nail cap and clamps the flexible steel wire through the fixing screw, the connector connects the rigid rod and the flexible screw, the motion retainer is fixedly connected with the rigid rod, a plurality of nail beads are connected in series to form the flexible screw body part, and the flexible screw body part can be deflected in any direction within a certain angle and is suitable for the fixation of osteoporotic vertebral bodies.

The utility model provides a spine holder for two-photon recording, comprising: a first support comprising a first clamping arm arranged along a first direction, a first extension plate arranged along the first direction and connected with the first clamping arm, and a first connecting plate arranged along a second direction, the first connecting plate being connected with the first extension plate; the second support comprises a second clamping arm arranged in the first direction, a second extending plate arranged in the first direction and connected with the second clamping arm and a second connecting plate arranged in the second direction, and the second connecting plate can be connected with the first connecting plate in a sliding mode in the second direction; and the lead screw is arranged in the second direction and connected with the first extending plate and the second extending plate, and the lead screw and the clamping space are located on the two opposite sides of the first connecting plate and the second connecting plate in the first direction correspondingly. The spine clamp holder is high in structural strength and structural stability, and not only can adapt to spine structures of small animals, but also can adapt to spine structures of large animals.

Orthopedic prosthesis, particularly an interbody cage for vertebral stabilization, comprising a body (1) made of deformable shape memory material, starting from an expanded configuration corresponding to its condition inserted between two adjacent vertebrae, into a temporarily contracted configuration of oblong shape for its intervertebral insertion. The body (1) has a discontinuous configuration.

The invention discloses a spine key point prediction and correction algorithm based on deep learning and biological geometric constraints, which comprises the following steps of: 1, preparing standard spine-lacking open source data sets such as COCO17 and COCO133 as basic data sets, manually labeling spine data in a small batch, and carrying out prediction and correction on spine key points according to the standard spine-lacking open source data sets; the basic data set serves as input data, and the spine key point data set serves as output data. 2, the key point prediction model adopts a double-branch convolution architecture and comprises symmetrical X coordinate and Y coordinate processing channels; according to the invention, through a double-branch convolutional neural network dynamic prediction spine algorithm and a biological-geometric constraint correction mechanism, the spine key point prediction precision and the physiological curvature reduction capability are significantly improved. Compared with a mainstream static geometric rule, the method has the advantages that the lumbar vertebra point offset under the pelvis rotating posture is reduced from 35 pixels to 5.6 pixels, the test set R2 reaches 99.77%, the data requirements of motion capture, medical treatment and the like are met, and the adaptation bottleneck of massive open source data is solved.