482 results about "Spinal surgery" patented technology

The invention discloses a spinal surgery postoperative patient rehabilitation intelligent management system and method, and relates to the technical field of spinal surgery postoperative rehabilitation management, and the system can carry out real-time analysis on implant displacement characteristics, and can carry out early warning on potential deviation of an implant in advance. The first analysis module can calculate the risk index Fx of the implant, so that timely correction or adjustment is promoted, the risk of implant deviation is reduced, and the occurrence rate of postoperative complications is reduced. And the second analysis module is specially used for extracting wear characteristics of the implant, constructing an implant wear index Ms, and helping a doctor to intervene in time by monitoring the wear condition of the implant in real time so as to avoid dysfunction or risk caused by wear of the implant. And the third analysis module calculates a comprehensive fusion index ZRh by extracting bone grafting area change characteristics, bone mineral density and rehabilitation bone healing information, so that a doctor can know bone mineral density change and rehabilitation conditions of a patient, a treatment scheme is adjusted, and a rehabilitation effect is improved.

An expandable interbody device used as a prosthesis during spinal surgery. The expandable interbody device is configured to be inserted into the space between spinal discs to provide stability. The expandable interbody device includes a drive block, a top endplate, a bottom endplate, a first drive arrangement, and a second drive arrangement; the first drive arrangement includes a first drive screw, a first left side slide, a second left side slide, a first upper left side linkage, a second upper left side linkage, a first lower left side linkage age and a second lower left side linkage; and the second drive arrangement includes a second drive screw, a first right side slide, a second right side slide, a first upper right side linkage, a second upper right side linkage, a first lower right side linkage and a second lower right side linkage.

The invention discloses a machine learning-based intra-operative bleeding risk prediction method and device for spinal surgery. The machine learning-based intraoperative bleeding risk prediction method for spinal surgery comprises the following steps: acquiring information of a patient to be predicted; obtaining a trained hemorrhage risk prediction model; and inputting the information of the patient to be predicted into the trained massive hemorrhage risk prediction model so as to obtain a prediction result. According to the method, the high-precision prediction model is trained through large-scale patient data (including basic information, operation parameters, blood indexes and the like), so that the accuracy and the stability of intraoperative SBL risk prediction are improved. And a Cell Saver use suggestion based on a risk threshold is provided, and blood resource allocation is optimized. Clinical decision-making efficiency is improved through an automatic tool, blood transfusion related complications (such as infection and immune response) are reduced, and patient prognosis is improved.

A discectomy method entails removing at least a portion of a spinal lamina to form an access path in a patient. A surgical instrument is inserted along the path and a distal end of the instrument is placed in operative contact with herniated or bulging disc material of a spinal disc. The instrument is operated to remove the herniated or bulging disc material, to thereby space a remaining portion of the spinal disc from spinal nerves. A tip of an ultrasonic surgical probe is then placed into contact with an outer surface of the remaining portion of the spinal disc, and an ultrasonic mechanical standing wave generated in the probe while maintaining the operative tip in contact with the outer surface to harden the wall surface and thereby reduce chances of disc herniation at the outer surface.

The invention discloses a self-adaptive sensing anti-shake regulation and control method and system for a spinal surgery auxiliary mechanical arm, and relates to the technical field of spinal surgery, and the method comprises the steps: collecting multi-dimensional data of a mechanical arm tail end actuator through a multi-dimensional sensor group, and transmitting the multi-dimensional data to an AeroStead space-level stability calculation platform; the platform carries out filtering processing on the data, and vibration of the mechanical arm and disturbance components caused by external interference are separated; constructing a spine mechanical arm rigid-flexible coupling dynamic disturbance observation and compensation model by using the disturbance component to observe disturbance and generate a compensation amount; calling a spinal operation area three-dimensional reconstruction and dynamic obstacle avoidance mixed density network model, and fusing different images to generate an operation area three-dimensional dynamic model and an obstacle avoidance adjustment signal; a mechanical arm motion control instruction is generated through a force sense position cooperation self-adaptive control algorithm; and the mechanical arm is driven to move for closed-loop regulation and control. According to the method, through fusion of multiple models and algorithms, the disturbance compensation precision, the operation area modeling accuracy and the control collaboration are improved, and the operation safety is guaranteed.

Assemblies, systems, and methods are directed at a neuromonitoring bone drill bit. The assembly may include a surgical bone drill bit, a neuromonitoring connection in electrical communication with the drill bit, and a shield extending over a distal end of the drill bit. The shield may be configured to withdraw proximally as the drill bit is advanced into a subject's bone. The assembly may be connected to a surgical drill and used in a surgical spinal procedure. In operation, the assembly may be advanced to a subject's bone at a surgical site and the drill bit may rotate into the subject's bone. In response, the shield may engage the bone and the drill bit may be advanced with respect to the shield. The shield may electrically insulate tissue from electrical current passing through the drill bit as it is inserted at the surgical site.

A floating clamp for surgical procedures includes a clamp body and a spring mechanism to allow in / out movement of a portal tube, while maintaining the tube's position in A / P and C / C. The clamp body includes a base portion and an arm pivotally coupled to the base portion such that a distal end of the arm pivots towards and away from a distal end of the base portion. The spring mechanism includes a coil spring and a piston disposed through the coil spring. The spring mechanism can be coupled to the clamp body adjacent to a proximal end thereof.

A surgical planning system is disclosed which provides computer assisted navigation for spinal surgery. The surgical planning system includes a computer platform operative to obtain images of at least two different postures of a patient's spine, and to measure displacement of anatomical features of the patient's spine between the images of the at least two different postures of the patient's spine. The computer platform is further operative to estimate stiffness of the patient's spine based on the measurements of displacement, and to generate a patient-specific kinematic model of the patient's spine based on the estimated stiffness, and provides a surgical plan based on the patient-specific kinematic model of the patient's spine.

Methods of generating a surgical operative note for a surgical procedure, such as a spinal surgical procedure, and associated systems and devices are disclosed herein. In some embodiments, a representative method includes capturing surgical procedure data of the surgical procedure with a sensor array positioned to view the surgical procedure, and identifying features in the surgical procedure data relevant to the surgical procedure. The method can further comprise processing the identified features to provide contextual information about the surgical procedure, and utilizing an artificial intelligence (AI) application to generate the operative note based on the identified features and the contextual information. The operative note can include a natural language, structured, and coherent description of the surgical procedure that summarizes the surgical procedure, including the type of surgery performed, specific surgical techniques used, intraoperative findings, and / or postoperative care instructions.

An anti-skive bone drill assembly is provided, and may be used for spinal surgical procedures. The anti-skive assembly can include a sheath, a drill bit disposed within the sheath, and a mechanism for maneuvering the drill bit within the sheath. The anti-skive assembly, and particularly the sheath, may be mounted in a surgical robot. The anti-skive assembly may be used to side cut a bone to create a flattened surface in an otherwise non-perpendicular bone surface.

A method for performing spinal surgery may include forming an access corridor through an aspect of a facet joint of a patient between an inferior articular process of a vertebra and a superior articular process of a vertebra, wherein at least an aspect of the inferior articular process is preserved on a medial side of the access corridor and at least an aspect of the superior articular process is preserved on a lateral side of the access corridor.

Minimally-invasive spinal surgery methods, devices, and systems for advancing a spinal implant through an oblique anterolateral retroperitoneal operative corridor to an intervertebral disc space located between the L5 and S1 vertebral bodies of a subject positioned in a lateral decubitus position are described. An example spinal implant system includes a retractor sized and shaped to establish at least a portion of the oblique anterolateral retroperitoneal operative corridor, a spinal implant sized and shaped to pass between the first and second unitary retractor blades of the retractor in connection with the spinal implant being introduced into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor, and an introducer instrument configured to pass between the first and second unitary retractor blades of the retractor in connection with the introducer instrument introducing the spinal implant into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor.

The invention discloses a big-data-based design method and system for a preset screw rod in spinal surgery, and particularly relates to the technical field of preset screw rod design, and the method comprises the following steps: collecting preoperative medical image data of a target patient, extracting anatomical feature parameters, and establishing a surgery fixing instrument database containing historical patient data and implanted instrument parameters; evaluating the degree of adaptation between the standard nail rod and the anatomical structure of the patient and the postoperative fixation stability, dividing the patient matching grade based on the evaluation result, screening patient groups with similar anatomical structures and biomechanical characteristics by adopting a clustering analysis method, and calculating a personalized customization data set in combination with the individual parameters of the target patient; according to the method, the structural adaptation index and the biomechanical adaptation index are adopted, it is ensured that the matching performance of fixing instruments can be judged before an operation, when the standard screw rod is not suitable, the personalized customization process can be automatically triggered, the judgment deviation of a doctor is reduced, and the accuracy of customized screw design is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a spinal surgery nursing rehabilitation exercise device. The device comprises a bottom plate, the top of the bottom plate is provided with a correction plate made of an elastic material, one end of the correction plate is hinged to the top of the bottom plate, and the bottom of the other end of the correction plate is provided with an adjusting mechanism used for adjusting the distance between the two ends of the correction plate; a first fixing block is horizontally arranged above the bottom plate, a first lifting mechanism is arranged at the top of the bottom plate, supporting rods are vertically fixed to the tops of the two ends of the first fixing block, pull rings are arranged on the outer sides of the supporting rods, and the pull rings are connected with the tops of the supporting rods through connecting ropes. According to the condition of a patient, the distance between the two ends of the correction plate can be adjusted, the bending degree of the correction plate can be adjusted, the back of the patient is made to be attached to the correction plate, and the exercise effect is improved; through the elasticity of the correction plate, the pull ring and the first fixing block, various rehabilitation exercises can be performed, and the occupied space is reduced.

The invention discloses a spinal post-operation erect hypotension volume management method and system and a terminal. The method comprises the steps that individual physiological features, preoperative evaluation data, intraoperative monitoring data and post-operation monitoring data of a target patient are obtained; constructing an artificial intelligence model, and training, verifying and testing the artificial intelligence model to obtain a target evaluation model; inputting the preoperative evaluation data, the intraoperative monitoring data and the postoperative monitoring data into a target evaluation model for evaluation to obtain a risk probability; according to the individual physiological features, the preoperative evaluation data, the intraoperative monitoring data and the risk probability, making a personalized fluid infusion management scheme for the target patient; according to the fluid infusion management scheme, fluid infusion is conducted on the target patient, the patient condition is monitored in real time, and early warning information is sent out to take first-aid measures. Multi-source data are fused, the occurrence risk of the erect hypotension of the patient is evaluated and managed in real time, fluid infusion management is enhanced, and fluid infusion efficiency is improved.

The invention relates to the technical field of medical positioning, in particular to a spine surgery positioning intelligent guiding system which comprises an image obtaining and processing module, an operation plan and display module, a quantum dot self-adaptive navigation module, a positioning guiding module and a feedback and adjustment module. The image acquisition and processing module is used for acquiring spine image data of a patient and generating a spine three-dimensional model; the operation plan and display module formulates an operation plan based on the spine three-dimensional model; the quantum dot self-adaptive navigation module provides a real-time image and carries out positioning and navigation on a surgical instrument; the positioning and guiding module monitors and guides the position and angle of the surgical instrument in real time; and the feedback and adjustment module feeds back the position and the operation state of the surgical instrument in real time. According to the invention, a clearer real-time image with a higher contrast ratio is provided, so that the accuracy and safety of surgical operation are improved.

The disclosure herein relates to systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and / or procedures. In some embodiments, systems, methods, and devices described herein can comprise using artificial intelligence, machine learning, and / or predictive modeling to predict the outcome of a spinal surgery, one or more parameters of a spine of a patient after spinal surgery, for example after implantation of a spinal rod which can be patient-specific, and / or one or more parameters of one or more recommended patient-specific spinal rods. Furthermore, in some embodiments, systems, methods, and devices described herein can comprise intraoperative tracking for tracking and / or suggesting improvements during spinal surgery based on a pre-operatively determined surgical plan, for example in real-time or substantially real-time. In addition, in some embodiments, systems, methods, and devices described herein can comprise screw planning prior to spinal surgery.

The invention belongs to the technical field of medical hemostatic materials, and particularly relates to an injectable fluid gelatin hemostatic material and a preparation method thereof. The injectable fluid gelatin hemostatic material is prepared from gelatin, a cross-linking agent, polyol, a radiation stabilizer and an emulsifier. The injectable fluid gelatin hemostatic material not only has good biocompatibility, absorbability and rapid hemostasis capability, but also can be directly injected to a bleeding part to adapt to and cover the whole wound surface, so that the injectable fluid gelatin hemostatic material adapts to a complicated or deep wound area, is particularly suitable for the surgical fields of neurosurgery, spinal surgery and the like requiring precise hemostasis, and has a wide application prospect. The traditional Chinese medicine composition shows a remarkable clinical effect.

The utility model relates to bone hook coordinate mapping positioning equipment suitable for spinal surgery, which comprises a bearing rod, the bearing rod is connected with an adjusting rod through an adjusting shaft, a plurality of guide devices are arranged on the outer side of the bearing rod and the outer side of the adjusting rod, each guide device comprises a guide seat, and a bone power cutting groove is formed in the outer side of each guide seat. A bone hook groove is formed in the guide seat, and a plurality of bone hook assemblies are arranged in the bone hook groove through mapping assemblies. Therefore, the angles of the bearing rod and the adjusting rod can be properly adjusted, the physiological curve of the back of the human body can be fitted, and subsequent positioning errors are avoided. The angle of the guiding device can be adjusted, and a proper angle can be provided according to the mapping requirement. The guiding device can achieve stable positioning of the orthopedic power depth limiter installed subsequently, and sliding is avoided. The bone hook assembly can achieve accurate mapping of bone surface contact point coordinates, and the operation precision is improved.

Implants and instruments for providing an ideal trajectory for the insertion of instruments and screws during implantation of an interbody implant in a spinal surgery are disclosed.

A surgical navigation system is provided to create a plan to correct a deformed spinal alignment. A processor is configured to obtain a first set of image data associated with a deformed alignment in a spine of a patient from at least one imaging device. The processor is also configured to process the first set of image data to identify a set of deformed alignment parameters associated with the deformed alignment. The processor is further configured to identify a set of corrected alignment parameters. The processor is also configured to process the first set of image data, the set of deformed alignment parameters, and the set of corrected alignment parameters to generate a correction plan to surgically manipulate the deformed alignment to the preferred alignment. The processor is additionally configured to provide navigation through the correction plan to facilitate surgical manipulation of a patient spine to the preferred alignment. The processor is also configured to receive information relating to forces on a rod-link reducer or surgical implants from strain gauges to aid the correction plan.

The utility model belongs to the technical field of body position pads, and provides a spine operation prone position body position pad which comprises a bottom pad. The leg supporting assembly comprises a first leg supporting seat and a second leg supporting seat, first arc-shaped grooves are symmetrically formed in the upper surfaces of the first leg supporting seat and the second leg supporting seat, and leg supporting parts are arranged on the side walls of the first leg supporting seat and the second leg supporting seat; the chest supporting assembly comprises a first chest supporting seat and a second chest supporting seat, and second arc-shaped grooves are symmetrically formed in the upper surface of the first chest supporting seat and the upper surface of the second chest supporting seat; through the arrangement of the bottom pad, the leg supporting assembly and the chest supporting assembly, the prostrating device can be attached to the corresponding parts of the body, pressure is evenly distributed, local excessive pressure possibly caused by long-time prostrating is reduced, and the situation that a patient feels painful due to the fact that the body position of the patient is not comfortable is avoided.

The invention provides a percutaneous spine endoscopic surgery robot path planning method and system, and the method comprises the steps: determining the pixel offset characteristics of a percutaneous spine after the tissue structure deformation in a current spine surgery according to deformation data in tissue structure information; determining each obstacle area generated by tissue deformation in the percutaneous spine according to the pixel offset characteristics and the current motion state of the surgical robot, and predicting the obstacle influence degree of the tissue deformation in the spinal operation at the current operation moment according to the distribution characteristics of each obstacle area; feedback constraint is carried out on the obstacle influence degree according to the execution deviation of the actual operation path, and confidence constraint of an obstacle avoidance strategy in the spinal operation is obtained; and performing dynamic feedback on the obstacle avoidance strategy of the surgical robot in the subsequent surgical path based on confidence constraint to obtain an obstacle avoidance path of the surgical robot in the spinal surgery. Based on the scheme, the dynamic feedback adjustment of the obstacle avoidance path in the surgical robot can be realized, so that the safety of the percutaneous spine endoscopic surgery can be improved.

Surgical instruments and related methods are disclosed for performing rod reduction, derotation, and / or setscrew insertion during spinal surgery. One example instrument that can accommodate performing all of these functions can include an inner sleeve having a proximal threaded portion, a distal portion configured to rotate relative to the proximal threaded portion, an inner channel, and a modular drive interface disposed at a proximal end of the threaded portion. The instrument can further include an intermediate sleeve having an inner channel with a threaded proximal portion configured to receive the inner sleeve, the intermediate sleeve terminating in a pair of extensions at a distal end thereof. The instrument can further include an outer sleeve having an inner channel configured to receive the intermediate sleeve, the outer sleeve terminating in a pair of extensions at a distal end thereof.

The invention provides a spinal operation bracket, and belongs to the technical field of medical instruments, the spinal operation bracket comprises a frame main body, a head supporting part, a thoracic and abdominal supporting part and a leg supporting part are sequentially arranged from the head end to the tail end of the frame main body, and the spinal operation bracket further comprises a heat preservation device rotationally arranged on the side of the leg supporting part; the heat preservation device can be rotationally arranged on the top side of the leg supporting part in a covering mode so as to preserve heat of the legs of the patient, the probability of thrombus occurrence of the patient is reduced, and the defect that original thrombus falls off due to the fact that the legs of the patient are stimulated can be overcome. Meanwhile, the parts for supporting the chest, the abdomen, the thighs and the shanks can be adjusted according to the physical condition of the patient, so that the operation bracket is more suitable for the patient, the patient feels more comfortable, and meanwhile the stability of the patient on the operation bracket can be guaranteed.

Methods and systems for evaluating the biomechanical properties of a subject's spine for the purpose of optimizing a potential surgical intervention by selecting or designing surgical hardware for a spinal correction procedure. The system uses a simulated dynamic analysis configured to analyze, predict and improve the outcome of the surgical procedure by taking into account physiological, biomechanical, and anatomical factors. Machine learning algorithms use the computed distribution of forces and moments on the subject's spine, and compare the subject's results with those of patients from a reference population. By analyzing the biomechanical parameters of individuals in the reference population and distinguishing those whose procedure succeeded versus those whose procedure failed, and comparing their biomechanical parameters to these of the individual under evaluation for a spinal surgery, the method is able to predict the chances for a successful surgery, recommend an optimal procedure and / or the optimal implant(s) configuration.

The embodiment of the invention is suitable for the technical field of computer-aided medical treatment, and provides a spinal surgery screw placement path planning method and device and a computer program product, and the method comprises the steps: obtaining a spinal image, and determining a spinal central axis based on the spinal image; determining a nail placement stop point according to the central axis of the spine; based on the screw placement stop points, a screw placement point candidate set is determined, and the screw placement point candidate set comprises a plurality of candidate screw placement points located on the spine transverse process; a candidate screw placement path formed by any candidate screw placement entry point and the screw placement stop point is determined; respectively calculating the distance from each bone surface edge point of the spine bone surface to each candidate screw placement path, and determining a screw placement point from the plurality of candidate screw placement points according to the distances; and planning a nail placement path based on the nail placement entry point and the nail placement stop point. By applying the method, the screw placement path of the spinal surgery can be automatically planned, and the accuracy and efficiency of screw placement path planning are improved.

Systems and methods for assisting a surgeon with implant during a surgery are disclosed. A method includes defining areas of interest in diagnostic data of a patient and defining an implant type. Post defining the areas of interest, salient points are determined for the areas of interest. Successively, an XZ angle, an XY angle, and a position entry point for an implant are determined based on the salient points of the areas of interest. In spinal procedures, a maximum screw diameter and a length of the spinal screw are successively determined based on the salient points. Based on determined length and diameter, a spinal screw and a matching screw guide is determined. Thereafter, the spinal screw and the screw guide is printed using a Three-Dimensional (3D) printer. Such printed spinal screw and screw guide could be used by the surgeon during the spinal surgery.

According to the measuring scale based on the spinal surgery, when the depth of an excision position needs to be measured, the measuring scale based on the spinal surgery is adopted for measurement, the measuring assembly is pushed to move, so that the measuring assembly moves relative to the measuring end and drives the connecting assembly to move, and the connecting assembly moves to drive the reading assembly to move; therefore, the stroke length of the measuring assembly relative to the measuring end is measured. The scale surface is perpendicular to the measuring end, so that the reading can be accurately and quickly carried out by directly lowering the head to enable the sight line to be perpendicular to the scale surface without looking at the head horizontally in the reading process, and the problem of measuring errors caused by sight line errors is avoided. Secondly, since the scale surface is perpendicular to the measuring end, the doctor can complete measurement without squatting, so that the measuring speed is increased; meanwhile, in the measuring process, the surgeon and the first operation assistant can synchronously and clearly read numbers, and the accuracy of the reading result is improved through mutual correction of the two persons.

The present invention provides an auxiliary guide device for inserting a solid screw in minimally invasive spinal surgery, comprising an outer sleeve and an inner sleeve; the outer sleeve comprises a cylindrical fixing portion, the lower end of which is provided with a cylindrical first outer positioning portion, the lower end of which is provided with a conical second outer positioning portion; the inner sleeve comprises a first inner positioning portion, the lower end of which is provided with a conical second inner positioning portion, the lower end of which is provided with a cylindrical third inner positioning portion. The present invention replaces hollow screws with solid screws and guide devices, thereby increasing the strength of screw placement and improving surgical efficiency.