167 results about "Spinal surgery" patented technology

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.

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.

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 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.

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.

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.

The invention relates to the technical field of medical apparatuses and instruments, in particular to an orthopedic spine post-operation protection device which comprises a device shell, the front face of the device shell is arc-shaped and concave, a back cushion layer is installed on the front face of the device shell, a fixing belt and an insertion opening are installed on the front face of the device shell and are arranged on the two sides of the device shell respectively, and a supporting block is installed at the middle end in the device shell. The supporting blocks are arranged in the device shell, the protruding blocks are arranged on the front faces of the supporting blocks, the multiple supporting blocks are longitudinally distributed in the device shell at equal intervals, and the rotating parts enter the grooves of the adjacent supporting blocks, so that the protruding blocks can correspond to the concave parts of the spine of the back, and the effect of supporting the spine is achieved; according to the scoliosis protection device, a certain rotating angle can be generated between every two adjacent supporting blocks, the supporting blocks are bent by a certain angle, the supporting blocks can form an arc shape matched with a scoliosis spine of a patient, and therefore the effect of protecting the scoliosis patient is achieved.

The embodiment of the present application provides an adjusting structure of a spinal surgery channel system and the spinal surgery channel system with the adjusting structure. The spinal surgery channel system comprises an endoscope and a working channel tube, the adjusting structure comprises a supporting assembly, an adjusting assembly and a matching seat, the supporting assembly is used for mounting the working channel tube, the matching seat is connectable with the endoscope, and the matching seat is swingably connected with the supporting assembly along a first preset direction through the adjusting assembly so as to realize the displacement of an endoscope tube of the endoscope along the first preset direction. Therefore, the relative position of the endoscope tube in the working channel tube is changed, the moving stroke range of the endoscope tube is improved, and the doctor can adjust the endoscope tube to the ideal position according to the actual situation of the patient. Therefore, the adjusting structure according to the embodiment of the present application has the advantages of improving the operation field of view and increasing the flexibility and convenience of the operation.

The invention relates to the technical field of medical instruments, in particular to a spinal surgery retractor which comprises a retractor mechanism, the retractor mechanism comprises a first retractor structure and a second retractor structure, the first retractor structure comprises a first retractor part and a second retractor part, and the second retractor part is telescopically assembled on the first retractor part. The first retracting part and the second retracting part are used for being matched to retract the tissue, and when the first retracting part and the second retracting part are used for being matched to retract the tissue, the second retracting structure is assembled on the first retracting part and the second retracting part and used for retracting the spine bone or the tissue. The invention relates to a spine retractor, in particular to a spine retractor, which aims at not only retracting surface tissues, but also retracting deep muscles during a spine operation, and simultaneously retracting spine bones during tissue retraction, is convenient to use, and is suitable for spine retraction at different positions.

The utility model relates to the technical field of medical instruments, in particular to a channel retainer for spine endoscopic surgery, which comprises a first channel plate and a second channel plate, a fixed plate is fixedly connected to the surface of the first channel plate, a movable plate is fixedly connected to the surface of the second channel plate, and a connecting plate is fixedly connected to the lower end of the fixed plate. A first threaded rod is rotationally connected to the surface of the fixed plate, the first threaded rod penetrates through the movable plate and is in threaded connection with the movable plate, a sliding rod is fixedly connected to the surface of the fixed plate, the sliding rod penetrates through the movable plate and is in sliding connection with the movable plate, and the movable plate is in sliding connection with the connecting plate; in the aspect of adjustment, a user only needs to rotate the first threaded rod with one hand, so that adjustment is convenient, meanwhile, adjustment is driven through threads, the stability in the adjustment process can be improved, and the accuracy in the channel size adjustment process is improved.

The utility model discloses a patient reference frame for spinal surgery, which comprises an identified structure setting structure on which an identified structure is arranged; the extension rod is fixedly connected with the identified structure setting structure; the angle adjusting part comprises a connecting rod connected with the connecting part and an angle adjusting structure, the extension rod is fixedly connected with the angle adjusting structure in an angle mode, and the angle adjusting structure rotates relative to the connecting rod and drives the extension rod connected with the angle adjusting structure and the recognized structure setting structure to rotate around the connecting rod at the same time. Through the arrangement of the scheme, the arrangement structure of the identified structure can be led out to a suitable area for non-surgical operation through the arrangement of the extension rod and the angle adjusting structure, and the extension rod plays a role in leading out the arrangement structure of the identified structure to a position far away from a central area where the connecting part is located; the angle adjusting structure is matched with the extension rod, so that the identified structure setting structure is arranged in an optimal area which does not interfere with the surgical operation.

This utility model relates to a prone arm support for spinal surgery; it includes an arm support plate, a clamping assembly, an adjusting assembly, and a rotating assembly. The clamping assembly has a clamping groove on the right side wall of the clamping seat to accommodate the operating table's built-in arm support plate. The clamping groove extends to the front and rear end faces of the clamping seat. A retaining platform extends downward from the upper right edge of the groove. The clamping seat also has clamping holes that penetrate the upper and lower end faces of the clamping seat. The upper end of the clamping plate of the adjusting assembly penetrates the clamping hole of the clamping seat, and the lower end of the clamping plate is fixedly connected to the end of a horizontal bar. The horizontal bar is connected to a vertical bar. The outer shell of the universal joint of the rotating assembly is fixedly connected to the upper end of the vertical bar, and the ball joint head is fixedly connected to the arm support plate. This design solves the problem of the patient's arm abduction angle exceeding 90 degrees in the prone position, while also avoiding interference with the surgeon's operation.

The invention provides an orthopedic spinal post-operation protective device, which belongs to the medical field and comprises a lower hoop and an upper hoop, one end of each of the lower hoop and the upper hoop is rotatably connected with a connecting hoop, one side of each of the lower hoop and the upper hoop is provided with an inflatable bag, one end of each of the two inflatable bags is adhered to one side of each of the two connecting hoops, and the other end of each of the two inflatable bags is connected with the other side of each of the two connecting hoops. First inflation nozzles are fixedly installed on one sides of the two inflation bags correspondingly, and a plurality of first threaded holes are evenly formed in the top of the lower hoop sleeve and the bottom of the upper hoop sleeve. The upper arm fixing assemblies are arranged on the two sides of the upper hoop sleeve, after the protection device is worn on a patient, the upper arms of the patient can be fixed by means of the two upper arm fixing assemblies, the situation that the arms shake greatly and back skin and flesh are pulled when the patient carries out postoperative rehabilitation training is avoided, meanwhile, the upper arm fixing assemblies only fix the upper arms, and the operation is convenient. And the forearm can still normally perform various operations, such as holding various articles, so that the use is more convenient.

The invention discloses a real-time operation process feedback system for a spine endoscopic operation, and the system comprises a preoperative planning module which is used for obtaining a preoperative medical image, and extracting an outer contour of a specific structure from the preoperative medical image; the channel tool module is used for exposing an operation field, and the camera assembly is used for collecting binocular images and RGB images of an operation area in real time; the image registration module is used for reconstructing a three-dimensional surface point cloud of the operation area according to the binocular image of the operation area, and registering the three-dimensional surface point cloud with the outer contour of the specific structure; and the visualization module is used for segmenting the RGB image to obtain the surgical instrument, acquiring a pose relationship between the surgical instrument and the three-dimensional point cloud according to the internal reference of the camera assembly, and rendering the pose relationship to a three-dimensional model. Through the integrated transparent structural design, the working channel and the nerve drag hook are integrated, instrument interference is avoided, nerve protection is visualized in real time, the operation safety is improved, and the operation progress and the nucleus pulposus removal condition can be fed back in real time in the operation process.

The utility model discloses a spine surgery postoperative rehabilitation auxiliary brace, and belongs to the field of medical instruments, the brace comprises a waist back plate and an abdomen plate arranged on the front side of the waist back plate and connected with the waist back plate; the chest back plate is arranged above the waist back plate; the chest plate is arranged on the front side of the chest back plate and is connected with the chest back plate; adjusting structures used for adjusting the distance between the waist back plate and the chest back plate are arranged on the two sides between the waist back plate and the chest back plate. The adjusting structure comprises a worm and gear combiner fixedly arranged on the waist and back plate, a threaded sleeve fixedly arranged on the chest and back plate and a driving lead screw inserted into the bottom of the threaded sleeve and fixedly connected with a worm gear shaft rod on the worm and gear combiner. Through the design of the adjusting structure, the distance between the waist back plate and the chest back plate can be flexibly adjusted according to the height of the upper body of the patient, it is ensured that the brace is tightly attached to the body of the patient, and the adaptability and comfort are improved. A worm and gear combiner is adopted in the adjusting structure, and self-locking can be achieved.

A single bone anchor assembly is disclosed that can be used across various spinal surgical procedures, reducing manufacturing burden and cost, and providing greater flexibility during surgical procedures. [Solution] The bone anchor assembly disclosed herein includes, among other components, an implantable shank and a receiving member having two spaced arms forming a U-shaped seat for receiving a rod. The bone anchor assembly disclosed herein also provides several features for enhancing capability and usefulness. Examples include features that facilitate better implantation of the shank, better connection of instruments to the anchor, and better performance in repositioning spinal fixation elements such as rods within the receiving member seat.

The utility model discloses an identification frame fixing device used in a spinal surgery navigation system, which comprises a fixing bottom plate, a fixing rod fixedly connected above the fixing bottom plate, an identification frame body fixedly connected at the top end of the fixing rod, a bandage arranged above the fixing bottom plate, and warped edges arranged on the periphery of the fixing bottom plate. According to the utility model, the fixed bottom plate is firmly connected with the fixed rod and the identification frame body, so that a stable integral structure is formed. By means of the connecting mode, various external forces possibly generated in the operation process can be borne, it can be guaranteed that the identification frame is always kept at the correct position in the operation process, in addition, the warping edges are arranged on the periphery of the fixing bottom plate, the bandage can be effectively prevented from falling off from the edge in the operation process, displacement of the identification frame is avoided, and the operation safety is improved. The surgical risk is greatly reduced, and the safety and efficiency of the surgery are improved.

Techniques for treating a subject undergoing spinal surgery include obtaining first data that indicates demographic, medical history or surgery information. A first probability for the subject developing post-operative urinary retention (POUR) is generated by inputting the first data into an input layer of a neural network trained with training data that indicates corresponding information for retrospective patients of spinal surgery and POUR outcomes for those patients. A signal is sent, which indicates a POUR classification for the subject based at least in part on the first probability. The subject is then treated based at least in part on the signal. A binomial regression models trained on a subset of training data is used optionally to produce a second probability. Optionally, the signal indicates a classification based on first or second cutoffs for the two probabilities.

This invention discloses a 3D-printed customized postoperative positioning support and nursing device for orthopedic spinal surgery, comprising a support plate, wearable components, a protective bladder, a control box, and a power supply component. The support plate is a customized rigid support structure 3D-printed based on the patient's spinal CT / MRI image data. Its outer contour conforms to the physiological curvature of the patient's back spine and body shape characteristics, and its surface has evenly distributed ventilation holes. It includes shoulder straps, a lumbar support, and a waist belt. The shoulder straps are symmetrically arranged on both sides of the upper part of the support plate, the lumbar support is located on the lower part of the support plate, and the waist belt is located on the outer side of the lumbar support, used to stably fix the support plate to the patient's back. The protective bladder is fitted inside the support plate and is detachably connected to the support plate via Velcro or buckles. The beneficial effects of this invention are: it avoids direct pressure from the rigid support plate on the surgical incision and surrounding soft tissues; the independent chamber of the inflation section allows for precise adjustment of inflation pressure according to the patient's needs, adapting to different activity levels and rehabilitation stages.

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.

The utility model provides a hospital gown for spinal surgery. The hospital gown comprises a jacket and trousers which are worn in a matched mode. The jacket is provided with a front opening and a rear opening, a C-shaped opening part is arranged at the position, corresponding to the spine, of the middle of the back face of the jacket, and the three side edges of the C-shaped opening part are detachably connected with a jacket body through hook-and-loop fasteners arranged at intervals. A first through opening is formed between the C-shaped opening part and the collar part above the C-shaped opening part, and a second through opening is formed between the C-shaped opening part and the rear lappet part below the C-shaped opening part; the trousers comprise buttocks, a crotch enclosing part, a left waist part, a right waist part and two leg parts, and the crotch enclosing part, the left waist part and the right waist part are bonded through hook-and-loop fasteners. The device is simple in structure and ingenious in design, can meet multiple requirements of a spinal operation patient in the whole treatment process before, during and after an operation, reduces the occurrence of force application actions such as movement and torsion of the bedridden patient to the maximum extent, reduces the dislocation risk of a wound and the pain degree of the patient, and effectively improves the comfort of the bedridden patient.

The utility model discloses a prone position bolster for a lying side after a spinal operation. A prone position bolster on the side lying in bed after a spinal operation comprises a leg bolster body capable of raising legs of a patient and a head and neck cushion body capable of supporting the head and the neck of the patient, a head supporting groove and a neck supporting groove are formed in the head and neck cushion body, ear pressure preventing holes are formed in the bottom of the head supporting groove, and ear pressure preventing holes are formed in the neck of the head supporting groove. A first connecting belt is arranged on the front side of the head and neck cushion, the front end of the first connecting belt is connected with a lateral prone position pillow capable of raising the chest and abdomen of a patient, an open groove is formed in the position, corresponding to the chest of the patient, of the lateral prone position pillow, and a chest pillow is detachably arranged in the open groove. The lateral prone position support can help a patient to keep a lateral prone position posture, and is beneficial to improving the comfort of the patient.

Disclosed rod reduction systems include an elongated housing having a longitudinal bore and a transverse channel extending through the elongated housing at a non-zero degree angle relative to the longitudinal bore. An insert is slidable within the transverse channel between an outwardly displaced position and an inwardly biased position. The insert includes a threaded portion and a longitudinal bore alignable with the longitudinal bore of the elongated housing. A reducer is slidably receivable within the longitudinal bore of the elongated housing. The reducer may have a longitudinal bore therethrough, and a drive shaft positioned within the longitudinal bore of the reducer.

The invention relates to the technical field of medical treatment, in particular to an intraoperative turning-over assisting device for spinal surgery, which comprises a mechanical arm, a fixing frame is arranged on one side of the mechanical arm, first motors are embedded in two sides of an inner cavity of the fixing frame, and an output shaft of the first motor on the front side is fixedly connected with a first fixing assembly; an output shaft of the first motor on the rear side is fixedly connected with a second fixing assembly. The device has the advantage of rapidly completing turning over, the legs of a patient are fixed through the first fixing assembly, the upper portion of the patient is fixed through the second fixing assembly, finally, under the action of the first motor, turning over is achieved, the turning over action can be rapidly and accurately completed through automatic turning over, cooperative operation of multiple medical workers is not needed, and the working efficiency is improved. The device is especially suitable for scenes needing frequent turning over such as large-area burn, obese or critical patients; meanwhile, misoperation caused by experience difference or fatigue of medical staff is avoided, and the risk of complications such as pressure sores and nerve injuries is reduced.

This invention discloses a hemostatic bone wax delivery device for minimally invasive spinal surgery, belonging to the technical field of minimally invasive spinal surgical instruments. The device includes a handle with a movable groove at its top and a first mounting groove at its bottom. A fixed seat is located at the bottom of the first mounting groove, and a telescopic mechanism is installed at its center. A pushing mechanism is installed within the movable groove, providing thrust to the telescopic mechanism. This invention, through the design of the handle, telescopic mechanism, and pushing mechanism, converts mechanical energy into kinetic energy using the mechanical principles of instruments. It allows the hemostatic bone wax to be firmly pressed onto the bleeding point by the pressure of a spring component without requiring the surgeon to rotate their wrist. Furthermore, it eliminates the need for wrist rotation; simply pushing the handle does not interfere with the surgeon's view of the camera, thus improving surgical outcomes.

1. Name of the product in this design: Positioning guide plate. 2. Purpose of this design: An auxiliary positioning tool for spinal surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to the technical field of operation planning navigation systems, in particular to a spinal operation intelligent planning and intraoperative navigation system which comprises a data input module, a spinal model building module, an operation planning module, a dynamic deformation tracking module, a navigation control module and a data output module. A spine is represented as a differential manifold through a manifold parameterization unit, a local coordinate construction unit is utilized to establish a multi-local coordinate system, a deformation field calculation unit calculates a spine deformation field based on optical mark point displacement, a deformation prediction unit generates a prediction deformation field, and a compensation parameter generation unit generates navigation compensation parameters. The system also comprises an operation path mathematical optimization algorithm and a scheme sharing mechanism based on a two-dimensional code, and is provided with a fault-tolerant processing module to ensure the stability of the system. According to the system, the navigation precision is improved from the traditional millimeter level to the submillimeter level, the accuracy and safety of spinal surgery are remarkably improved, and the system has wide clinical application prospects.

A spinal surgical system has a rod receiver and / or a cap with a generally cylindrical body, a set of opposed anti-splay flanges, and a set of opposed anti-rotation / rotation-blocking wings. Each wing has a transverse anti-rotation portion and a transverse rotation-blocking portion. The receiver proximal end forms a wing-receiving cavity with transverse anti-rotation sides and transverse rotation-blocking sides. Each flange has a proximally-facing anti-splay surface and a distally-facing ejection surface. Each receiver proximal protrusion has a proximally-facing ramped receiver ejection surface and a distally-facing ramped receiver anti-splay surface. When the cap is ejected, each anti-rotation portion contacts a corresponding anti-rotation side, and each rotation-blocking portion contacts a corresponding rotation-blocking side. The anti-rotation portion contacting an anti-rotation side prevents cap rotation in a first direction. The rotation-blocking portion contacting a rotation-blocking side prevents cap rotation in a second direction but allows rotation in the second direction, forcing the arms to splay.

The invention discloses a reusable column universal reduction device for spinal surgery, which comprises a plurality of supporting assemblies, a bearing frame, a guide rod, a universal adjusting assembly, an adjusting electric cylinder and a control terminal, and is characterized in that the supporting assemblies are used for supporting the whole universal reduction device; the number of the bearing frames is two, and supporting assemblies are connected to the two sides of the bottoms of the two bearing frames correspondingly. The guide rod is arranged between the two bearing frames; the position of the guide rod can be adjusted along the bearing frame; the number of the universal adjusting assemblies is multiple, one ends of the multiple universal adjusting assemblies are connected with the guide rod, and the universal adjusting assemblies can be adjusted along the guide rod. The top ends of the adjusting electric cylinders are arranged at the bottoms of part of the universal adjusting assemblies and used for adjusting the positions of the pedicle screws and the connecting rods. The control terminal is arranged at the top end of the bearing frame and electrically connected with the adjusting electric cylinder.