20 results about "Spine procedure" patented technology

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.

A system and method for predicting spinal motion and vertebral locations and movement in surgeries through training and using predictive models generated using biomedical profiles of patient spines and surgical patient-specific features. A trained predictive model is used in combination with patient-specific features associated with a surgical patient such that during a real-time surgery the patient-specific features are provided to the trained predictive model and a segmental motion model is created. Using this real-time surgical data and interoperative data, the trained predictive model is updated which then used for updating the segmental motion model such that the updated segmental motion model may be used for producing a series of vertebral location predictions specific to movements and location of the spine of the surgical patient that may be provided to a surgical guidance system for use in performing the real-time surgery in accordance with a surgical plan.

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.

Systems, methods, and computer-readable storage media for vertebra bone density analysis, and more specifically to identifying which portions of vertebra have sufficient density to support different types of spinal surgery. A system can segment the pre-operation medical images and generate a 3D pre-operation model having a plurality' of volumetric regions based on those pre-operation medical images, wherein each volumetric region has a bone density. The system can then identify different spine surgery options and generate, for each of the plurality of spine surgeiy options using the 3D pre-operation model, a 3D predicted model. The system can then simulate these predicted models being exposed to various stresses and forces, and predict which of the predicted models results in the best surgery outcome.

The invention involves an interbody implant (spacer) and a method of manufacturing an interbody implant for use in spinal procedures, having one or more compliant surfaces to more evenly distribute the load applied to the bone while in use, as well as aid in bone growth and attachment. The interbody spacer has one or more unique surfaces designed to comply (flex) upon receiving a predetermined load. By flexing, the surface contact area between the implant and the bone is increased to distribute the load over a larger area. In order to provide the flexing, at least a portion of the implant is constructed from a plurality of bar springs that are interconnected or integrally connected with each other to conform to a surface while providing sufficient support for use as an implant.

A method is provided for planning, performing, and assessing of surgical correction to the spine during a spinal surgical procedure. This method is implemented by a control unit through a GUI to digitize screw locations, digitize anatomical reference points, accept one or more correction inputs, and generate one or more rod solution outputs shaped to engage the screws at locations distinct from the originally digitized locations.

The application discloses an angle-adjustable spine coagulation electrode, which comprises a cutter head assembly, a fixed body and a movable wire clamp; the cutter head assembly comprises an insulating rod, an inner tube and an outer tube, two electrodes insulated from each other are arranged at one end of the insulating rod, each electrode is connected with a conductive wire, and each conductive wire penetrates through the other end of the insulating rod and is connected with a cable; a first chamber and a second chamber are arranged in the fixed body and are communicated, a steel pipe clamp and a screw cap are fixed to the other end of the first chamber, first and second handles are arranged outside the fixed body; a reset spring is arranged in the first chamber; the movable wire clamp comprises a small-diameter section and a large-diameter section, and a third handle is arranged outside the movable wire clamp. The angle of the cutter head can be adjusted through axial extension and retraction and circumferential rotation of the cutter head by using one hand, the operation range is small, the cutter head rotates more smoothly, the use is more convenient, and the demand for multi-angle coagulation in spine surgery can be met.

The disclosed method supplements spine surgery by data processing. The method is modular using one or more data processing blocks related to one or more tasks of a spine surgery workflow, depending on the desired level of support by the data processing method. Each data processing block has input data and / or output data and processing logic that transforms the input data into the output data or generates the output data. Embodiments of the invention relate to different combinations of processing blocks. In the maximum scope, the data processing method covers all stages of the spine surgery workflow from pre-operative data acquisition to post-operative evaluation of the outcome.

A lateral retractor system for forming a pathway to a patient's intervertebral disc space includes a single dilator and a retractable dual-tapered-blade assembly. The dilator may feature a narrow rectangular body for insertion at an insertion orientation parallel to the fibers of the patient's psoas muscle, at an approximate 45-degree angle to the patient's spine. The retractable dual-tapered-blade assembly consists of only two blade subassemblies, each having a blade bordered by adjustable wings, along with built-in lighting and video capabilities.The dual-tapered-blade assembly may be passed over the single dilator at the insertion orientation and rotated approximately 45-50 degrees to a final rotated orientation parallel to the intervertebral disc space before the two blade subassemblies are retracted away from one another to create the surgical pathway, while simultaneously and continuously assessing for encroachment upon one or more nerve structures within 360-degrees of the instrument. Other embodiments are also disclosed.

A retractor assembly and minimally invasive surgical techniques and implants. Such embodiments include techniques and implants for provision of therapy to a spine from a lateral approach. Embodiments of the invention include minimally invasive surgical techniques using one or more extended retractors to create an extended access route such as the non-limiting example of lateral access to the spine.

Retractor system for spine surgery comprising two retractor members (1,2) being each made of a blade (1) and a proximal part forming a frame (2), at least two pins (10) having each a distal end configured to be anchored in a vertebra, and a blocking mechanism (5) for maintaining the retractor members (1,2) at a certain distance from each other; wherein at least one retractor member (1,2) contains a channel (3) that is configured to slidably hold said pin (10); characterized by the fact that the channel (3) is oriented along a direction that differs from the blade (1) direction. The invention also relates to a retractor system that includes at least one shim (12) with guiding grooves (15) ending before the shim distal end.

The utility model discloses a working cannula for a single-side double-channel spine endoscopic surgery, which belongs to the technical field of spine surgeries, and comprises a cannula body, the cannula body comprises a deep tube and a limiting plate, the limiting plate is sleeved at the end part of the deep tube, the deep tube body is long, and the limiting plate is sleeved at the end part of the deep tube. The bottom is arranged obliquely, so that soft tissues can be prevented from being rolled in, the area of an inlet of lavage fluid is increased, the inlet and outlet efficiency of the lavage fluid is improved, and a clear operation view is kept; the positioning mechanism comprises a limiting assembly, the limiting assembly is connected to the exterior of the deep pipe in a sleeving mode, the limiting assembly is connected with the limiting plate in a limiting and clamping mode, a positioning assembly is installed at the bottom of the limiting assembly and adsorbed to the skin, and the limiting assembly and the positioning assembly are matched with each other to be used for positioning the deep pipe; the vertical friction of the deep tube and the displacement and separation of the working sleeve are avoided, the stability of the working sleeve is favorably maintained, and the operation working space is better maintained.

The invention discloses a multi-modal spine image contrast learning registration method, and the method comprises the steps: constructing a contrast loss calculation module comprising a feature extractor and a mapper, carrying out the pre-training, and storing the parameters of the contrast loss calculation module obtained through the pre-training; a pre-trained comparison loss calculation module is introduced into the registration network; and a registration network is trained through a comparison loss calculation module. The registration method is suitable for a navigation system of a spinal surgery robot, information of soft and hard tissues of a patient can be integrated to the maximum extent, the preoperative and intraoperative poses of the patient are aligned, and navigation positioning of a mechanical arm is assisted.

Systems, methods, and computer-readable storage media for vertebra bone density analysis, and more specifically to identifying which portions of vertebra have sufficient density to support different types of spinal surgery. A system can segment the pre-operation medical images and generate a 3D pre-operation model having a plurality of volumetric regions based on those pre-operation medical images, wherein each volumetric region has a bone density. The system can then identify different spine surgery options and generate, for each of the plurality of spine surgery options using the 3D pre-operation model, a 3D predicted model. The system can then simulate these predicted models being exposed to various stresses and forces, and predict which of the predicted models results in the best surgery outcome.

The invention involves an interbody implant (spacer) and a method of manufacturing an interbody implant for use in spinal procedures, having one or more compliant surfaces to more evenly distribute the load applied to the bone while in use, as well as aid in bone growth and attachment. The interbody spacer has one or more unique surfaces designed to comply (flex) upon receiving a predetermined load. By flexing, the surface contact area between the implant and the bone is increased to distribute the load over a larger area. In order to provide the flexing, at least a portion of the implant is constructed from a plurality of bar springs that are interconnected or integrally connected with each other to conform to a surface while providing sufficient support for use as an implant.

According to an aspect of the present invention, there is provided stainless steel, round rod in a “T” configuration, used for the effective intraoperative assessment of coronal alignment using fluoroscopy during spine surgery, comprising: a vertical stainless steel rod; a horizontal stainless steel rod; and a disposable level gauge, wherein: the two stainless steel round rods are cut to appropriate dimensions and welded together in a “T” configuration; and a pocket is cut into the horizontal rod for the placement of a round level gauge, such that the level gauge helps achieve optimal orthogonal placement of the T-bar over the spine.

Provided is a two-dimensional (2D) image-based surgical planning method and system. The planning method includes: acquiring a first image and a second image from a spinal surgery site; defining a virtual three-dimensional (3D) surgical space and registering the first image and the second image; extracting a first vertebral body region and a first pedicle region from the first image and extracting a second vertebral body region and a second pedicle region within the second vertebral body region from the second image; setting a first screw path passing through a center or a vicinity of the center of the first pedicle region in the first image; and setting, based on the first screw path, an entry point and a target point on a second screw path corresponding to the first screw path in the second pedicle region of the second image.

The utility model aims to provide a device for supporting and fixing a soft tissue channel in a minimally invasive spine surgery, which relates to the technical field of medical instruments and is characterized in that during use, the device is clamped and fixed on two sides of the body of a patient through a clamping plate of a fixing bracket, and a ball head structure is arranged on the fixing bracket; the ball head structure is connected with the expander by arranging a telescopic connecting rod; the dilator can be adjusted to move to a spinal operation channel position through stretching and retracting of the telescopic connecting rod; the dilator can be flexibly adjusted in multiple angles and multiple directions through a ball head structure according to the direction of a spinal operation channel, so that a plurality of telescopic dilating plates arranged on the dilator mounting seat in a circumferential array extend into the spinal operation channel; the connecting plates on the telescopic expansion plates are driven to slide in the radius direction of the mounting seat by rotating the adjusting rings on the mounting seat, so that the telescopic expansion plates are driven to synchronously move towards the inner wall of the spinal operation channel, and the channel can be effectively supported and fixed in multiple directions according to the diameter of the spinal operation channel.

The application discloses a kind of vertebral pedicle fixed minimally invasive spine surgery channel device and its using method, including bearing platform, the bearing platform relative two sides are provided with the softness silica gel web connected by memory alloy bending plate piece, the bearing platform and softness silica gel web can keep any included angle state by the memory alloy bending plate piece and keep;The bearing platform is equipped with assembly opening, and further include channel guide portion on the assembly opening is screwed on.The vertebral pedicle fixed minimally invasive spine surgery channel device provided by the application, simple structure, convenient and fast operation, early can be used for the guiding and positioning needs of vertebral arch nail installation, later can be through the way of additional guide piece to be first spinal surgery channel device and second spinal surgery channel device to be concluded and handled, more rich in function, can hide the demand in surgical process.