153 results about "Spine surgery" patented technology

The invention discloses a CT image segmentation method for spine surgery, and relates to the technical field of medical image processing, and the method comprises the steps: obtaining a spine CT image of a patient, and carrying out the preprocessing of the spine CT image; adopting a centrum gap detection method to detect a centrum gap region of a spine in the preprocessed CT image, and performing automatic segmentation on each centrum based on centrum gap region information to obtain a preliminary segmentation result of the centrum; extracting local texture features of the intervertebral disc and the nerve root in the intervertebral space area, and classifying the local texture features through a classifier to generate a preliminary segmentation result of the intervertebral disc and the nerve root; performing rigid registration and non-rigid registration on the initial segmentation results of the vertebral body, the intervertebral disc and the nerve root and the standard three-dimensional model, and identifying an abnormal region in segmentation; by extracting local texture features of the intervertebral disc and the nerve root and combining a support vector machine classifier, accurate segmentation of various structures can be realized.

The invention relates to the technical field of artificial intelligence, and discloses a spinal surgery mechanical arm precise regulation and control system integrating deep learning and dynamic calibration, and the system comprises a digital twinborn body construction module which is used for constructing a dynamic spinal digital twinborn body of a target object; the motion path analysis module is used for generating a planned motion path of the mechanical arm; the coarse regulation and control module is used for calculating a translation vector and a rotation vector of the mechanical arm and executing coarse regulation and control of the mechanical arm when the path error is not smaller than a preset first threshold value; the fine regulation and control module is used for calculating the rigidity coefficient of the mechanical arm and executing fine regulation and control of the mechanical arm when the path error is smaller than a first threshold value and not smaller than a preset second threshold value; and the micron-order regulation and control module is used for calculating pulse voltage required by the micro-motion platform and executing micron-order regulation and control of the mechanical arm when the path error is smaller than a second threshold value and not smaller than a preset safety threshold value. The control precision and safety of the spine surgery mechanical arm can be improved.

Systems and methods for monitoring a surgical procedure are provided. A coordinate system of a first robotic arm and a second robotic arm may be co-registered or correlated to each other. One or more poses of an imaging device may be determined to provide real-time intraoperative imaging of a region of interest during a surgical procedure. Anatomical elements may be identified in the real-time images of the region of interest from which a surgical tool should maintain a predetermined distance. The surgical tool may be prevented from approaching the identified anatomical elements by less than a predetermined distance using the co-registration of the coordinate systems.

Disclosed methods, devices, and systems are suitable for performing minimally-invasive procedures for accessing the intervertebral space along an oblique pathway with an insertion instrument that holds a disc implant, and reorienting the angular relationship between instrument and implant while the implant is inside the body (for example at or within the disc space).

Systems, methods, and computer-readable storage media for measuring spinal canal volume in vertebrates, and more specifically to using Artificial Intelligence (AI) to predict how surgical options will affect spinal canal volume. A system configured as disclosed herein can receive two or more pre-operation medical images capturing at least one functional spinal unit, then calculate an initial spinal canal regional volume using the pre-operation medical images for at least a portion of the at least one functional spinal unit. The system can then calculate, using a neural network, a predicted spinal canal regional volume for at least a portion of the at least one functional spinal unit undergoing various spine surgery options separately, resulting in predicted spinal canal regional volumes corresponding to the plurality of spine surgery options. The system or a surgeon can then select, using that data, one or more of the spine surgery options.

1. The name of the product of this design: surgical robot (robotic arm trolley). 2. Purpose of this design product: used in the medical field, for spinal surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention discloses a visual monitoring method assisted by an AI image recognition algorithm in a transparent working sleeve under a spine endoscope, and relates to the technical field of medical instruments, and the method comprises the following steps: collecting a torque waveform, a perfusion pressure signal and a cavity pressure signal under a unified event time base line, constructing a resonance frequency band spectrum, and obtaining a resonance frequency band spectrum; calculating a resonance pressure index and extracting a phase evolution trajectory for liquid level distortion reconstruction; and under the constraint of the resonance pressure index and the phase evolution trajectory, recovering the liquid level phase, reconstructing a lens phase field in front of the camera, calculating a view distortion gradient, and determining a liquid level dynamic distortion core area. According to the method, a resonance dynamic map is constructed through multi-source data fusion, a liquid level potential field is reconstructed, a visual field distortion area is locked, artifacts are eliminated in combination with image feature recognition, perfusion control is reversely driven based on a reliable visual field state, and a closed-loop regulation and control strategy with time reversal gating and self-adaptive updating capacity is formed. And stable and intelligent control of the visual field in the operation is realized.

The invention discloses a vertebral pedicle screw path autonomous planning method and system based on a neural network, and belongs to the field of biomedicine volume data set segmentation and clinician interaction.The method comprises the steps that a spine ROI is extracted from a lumbar vertebra CT plain scanning and bone three-dimensional reconstruction image data bone window thin layer image sequence, and a data set is generated; a Bi-Conv-LSTM structure is introduced into a 3D-UNet model, an SIS-3D-UNet model is constructed, a data set is used for training, and a first segmentation planning model is generated and used for spine segmentation and pedicle screw planning. According to the method, less lumbar CT image data is utilized to enable the deep learning model to achieve the spine segmentation and pedicle screw planning effects satisfied by spine surgeons.

Disclosed methods, devices, and systems are suitable for performing minimally-invasive procedures for accessing the intervertebral space along an oblique pathway with an insertion instrument that holds a disc implant, and reorienting the angular relationship between instrument and implant while the implant is inside the body (for example at or within the disc space).

A retractor for spine surgery includes a body. Left, right, and center retracting arms are coupled to the body. Left, right, and center blades are operatively coupled to proximal ends of the respective retracting arms. A retractor adaptor is configured to couple the retractor to a mount.

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 spine minimally invasive intervertebral fusion cage and a non-rigid fixing device thereof, and belongs to the technical field of spine surgery medical instruments.The spine minimally invasive intervertebral fusion cage comprises a fusion cage mechanism located between two adjacent spine vertebral bodies, and a connecting mechanism is arranged in the middle of the interior of the fusion cage mechanism; the top and the bottom of the interior of the fusion cage mechanism are jointly provided with a supporting mechanism. The same ends of the left support frame and the right support frame are respectively provided with two groups of fixing mechanisms, so that the stability of fixed connection between the single left support frame or the single right support frame and the spine centrum is ensured, and the left support frame and the right support frame are connected into an integral support ring body by the connecting mechanisms; the stability of connection between the supporting ring body and the spine vertebral bodies can be further improved through the four sets of fixing mechanisms, a non-rigid mechanism is further installed on one side of one end of each spine vertebral body through a connecting screw hole, and two adjacent sets of spine vertebral bodies can be stably pulled.

The invention discloses a spine surgical operation support, and relates to the technical field of surgical operation supports. The spinal surgery support comprises a body supporting part and a leg supporting part, a supporting module is arranged on the body supporting part, a limiting mechanism is installed on the leg supporting part, the supporting module comprises an adjusting unit and a supporting unit, the adjusting unit comprises a chest cushion seat and an abdomen cushion seat, and partition plates are arranged on the chest cushion seat and the abdomen cushion seat. Adjusting seats are arranged on the partition plates, adjusting blocks are symmetrically arranged in sliding grooves in the adjusting seats, hinge shafts are fixedly installed on the adjusting blocks, and corresponding hinge push rods are hinged to the two sides of each hinge shaft. By means of the arrangement of the air holes, skin itch and the like caused by the fact that a patient lies over for a long time are avoided, the sponge layer can further provide soft supporting feeling, the rubber layer and the MR fluid layer are matched, needed sufficient supporting is provided, and the situation that the positions such as caudal vertebra joints of the spine protrude due to the fact that the chest or the abdomen of the patient sinks and loses supporting is avoided.

The utility model relates to the technical field of spine surgery, and discloses spine stabilizing and protecting equipment which comprises a back plate, a containing groove is formed in one end of the back plate, a connecting plate is fixed in the containing groove, a back protecting pad is fixed to one end of the connecting plate, and a protecting soft pad is arranged at the end, away from the connecting plate, of the back protecting pad. Multiple first threaded holes are formed in the inner side of the end, away from the containing groove, of the back plate, inserting grooves are formed in the two sides of the back plate, inserting plates are slidably connected into the inserting grooves, and multiple second threaded holes are formed in the surfaces of the inserting plates. According to the utility model, through the cooperative arrangement of the slot, the inserting plate, the back plate, the fixing bolt, the first threaded hole and the second threaded hole, the inserting plate is inserted into the slot of the back plate during use, then the fixing bolt is rotated to enable the surface of the bolt to fix and detach the inserting plate through the first threaded hole and the second threaded hole, and then the inserting plate is fixed into the slot; the distance between the arc-shaped clamping plates can be conveniently adjusted, so that the patients with different figures can be fixed, and the use universality of the device is improved.

The utility model discloses a kind of endoscope surgery pasting film, it is related to medical supplies technical field, including first film, second film, water baffle and liquid collecting and guiding bag.The bottom surface of first film is used to paste on skin.Second film is located on the top surface of first film, and the accommodating cavity that is formed with upward protrusion between second film and first film.Water baffle is located in accommodating cavity, and the region formed by surrounding water baffle is used to accommodate liquid.Liquid collecting and guiding bag is connected with one side of second film, and the bag opening of liquid collecting and guiding bag is towards the opening of water baffle, so that the liquid in the region formed by surrounding water baffle can flow into liquid collecting and guiding bag.In the process of operation by doctor, water baffle can be resisted by second film with physiological saline and patient's blood and other liquids, that is, water baffle plays a blocking role to liquid, so that liquid in the process of operation all stays in the region formed by surrounding water baffle, avoid the pollution of the surrounding environment of operation area.

A system and method of neurostimulation that is coupled with spinal fixation or the spine, implanted at the time of spine surgery, and allowing for a delayed minimally invasive connection to a stimulation source. The components of the system include the conduit anchor that secures to the instrumentation or spine; conduit housing through which leads enter and channels are isolated; the conduit cap to protect the implant; the lead adaptor entry port, wherein leads enter and channels are isolated; the lead adaptor pin housing, which contains contact pins; the keyed MIS tube, through which the lead adaptor is implanted in a second surgery; a grooved applicator to assist with lead placement; and an encircling clip to assist in securing a lead. The method of generating a signal in the frequency domain is described. The method of minimally invasive stimulation trial placement is described.

The utility model provides a thoracolumbar spine nail channel personalized nail placing device, and belongs to the field of surgical instruments in the field of spine surgery in clinical medicine and external science. The screw placement device comprises a holding assembly, a connecting piece and a bone recognition assembly, the connecting piece is used for connecting the holding assembly with the screw tap assembly or the pedicle screw tool bit, and the holding assembly is fixedly connected or detachably connected with one end of the connecting piece; the screw tap assembly or the pedicle screw tool bit is arranged at the other end of the connecting piece and is fixedly or detachably connected with the connecting piece; the bone recognition assembly comprises a torque measuring component, and at least part of the torque measuring component is connected with the screw tap assembly and / or the pedicle screw tool bit so as to obtain the real-time torque of the screw tap assembly and / or the pedicle screw tool bit in the screwing-in process. The real-time torque of the screw tap assembly or the pedicle screw tool bit in the screwing-in process is obtained through the torque measuring component, the matched screw is selected, and the surgical curative effect is improved.

The auxiliary turning-over tool comprises a support, a rotating shaft is rotationally connected to the middle of the position between the front inner wall and the rear inner wall of the support, turning plates which are symmetrical left and right are fixedly connected to the outer portion of the rotating shaft, soft cushions are arranged at the upper ends of the turning plates respectively, and fixing belts are arranged at the inner side ends of the upper surfaces of the soft cushions respectively. The device further comprises a turnover mechanism and an anti-skid mechanism. The turnover mechanism comprises supporting strips, U-shaped blocks, connecting rods and U-shaped seats, the supporting strips which are symmetrical left and right are slidably connected between the front inner wall and the rear inner wall of the support, the U-shaped blocks which are symmetrical front and back are arranged at the upper ends of the supporting strips respectively, and the U-shaped seats which are symmetrical front and back are arranged at the lower ends of the turnover plates respectively; connecting rods are rotationally connected between the lower ends of the U-shaped blocks and the upper ends of the vertically adjacent U-shaped seats; when a patient is turned over, the auxiliary turning-over tool for spine surgery nursing is simple in structure, convenient to turn over, capable of ensuring the stability of the body of the patient and preventing the patient from sliding and convenient to use.

The utility model discloses a position changer for assisting spine surgical nursing, which relates to the technical field of surgical nursing and comprises an upper support plate, a position changing mechanism is arranged on the surface of the upper support plate, a spine assisting mechanism is arranged on the surface of the position changing mechanism, and a lower support plate is movably connected to the surface of the position changing mechanism. The left adjusting plate is placed in the left groove, the right adjusting plate is placed in the right groove, when a patient needs to change the body position rightwards, the telescopic end of the first electronic telescopic rod pushes the left adjusting plate, the left adjusting plate does circular motion with the middle supporting plate as the circle center, the left adjusting plate is lifted, and the body of the patient inclines rightwards; when the body position needs to be changed leftwards, a second electronic telescopic rod pushes a right adjusting plate, one end of the right adjusting plate does circular motion with the middle supporting plate as the circle center, the right adjusting plate is lifted upwards, at the moment, the patient inclines leftwards, and meanwhile the adaptability of the device is improved.

The utility model relates to the technical field of spine surgery nursing, in particular to a rehabilitation exercise device which comprises a nursing bed, a shell, two round rods, a sliding plate, a rolling shaft, a plurality of rubber wheels, a stepping motor, a rotating frame, a connecting rod, a fixing column, two sets of buffering units, an auxiliary unit and a protection unit. A controller is clicked to start a stepping motor, so that the stepping motor drives a rotating frame to rotate, a connecting rod is used for pulling a fixing column to move leftwards, at the moment, a buffering unit pulls a rolling shaft to move, a rubber wheel rolls on the back of a patient, the rotating frame rotates in a shaft mode, a sliding plate is pulled to move back and forth on a round rod, and rehabilitation treatment is conducted on the patient through repeated operation. The auxiliary unit is used for supporting the patient to get on and off the nursing bed, so that the fatigue strength of workers is reduced, and the rehabilitation quality and efficiency can be effectively improved.

The utility model relates to an adjustable prone position pad special for spine surgery. The adjustable prone position pad comprises a shoulder and chest pad and an iliac pad. The shoulder and chest pad is H-shaped; the iliac cushion comprises a bottom plate and two cushion blocks, and further comprises two sets of lifting mechanisms driving the two cushion blocks to ascend and descend relative to the bottom plate, and two sets of left-right translation mechanisms driving the two cushion blocks to translate left and right relative to the bottom plate. And the two cushion blocks are outwards splayed towards the head side. The structure of the shoulder and chest pad is optimized, so that the shoulder and chest pad conforms to the human body structure, and a female patient feels comfortable even when using the shoulder and chest pad; the structure of the iliac pad is optimized, on one hand, the iliac pad is of an integrated structure instead of a split structure, convenient to use and not prone to displacement, and on the other hand, the iliac pad has three degrees of freedom of rotation, up-down translation and left-right translation, can be flexibly adjusted according to different body types, is suitable for all people, has high universality and can ensure that the abdomen is completely suspended; the device plays a great role in reducing bleeding in the minimally invasive spine surgery, and belongs to the technical field of spine surgery auxiliary equipment.

This application describes surgical instruments and implants for building a fixation construct across one or more segments of the spinal column during a lumbar interbody fusion (LIF) procedure.

A single-plane clamp hinge used for spine surgery comprises a double-shaft hinge and a clamp, the double-shaft hinge comprises a first hinge rod bearing piece, a second hinge rod bearing piece rotationally connected with the first hinge rod bearing piece, and a first hinge rod connected with the first hinge rod bearing piece. The first hinge rod is connected with the first hinge rod bearing piece, the second hinge rod is connected with the second hinge rod bearing piece, and the first locking screw and the second locking screw are used for locking the first hinge rod and the second hinge rod at a required angle. A first single-plane clamp and a second single-plane clamp, the first single-plane clamp is movably connected to the first hinge rod, and the second single-plane clamp is movably connected to the second hinge rod; the stabilizing rod is movably connected to the first single-plane clamp and the second single-plane clamp; a first temporary spine rod and a second temporary spine rod, the first temporary spine rod being movably connected to the first unipolar clamp and the second temporary spine rod being movably connected to the second unipolar clamp; and a first reduction rod holder and a second reduction rod holder, the first reduction rod holder being connectable to the first temporary spinal rod and the second reduction rod holder being connectable to the second temporary spinal rod.

A surgical system 20 for performing a surgical procedure at a surgical site of a spine of a patient is provided. The surgical system 20 comprises a retractor 22 having a proximal end 27, a distal end 26, an inner surface 23, outer surface 24, and a central axis 25 extending between the distal end 26 and the proximal end 27, in which the distal end 26 is configured to be positioned within the patient to provide a working channel 28 to the surgical site 21 and the proximal end 27 defines an opening 29 open to ambient. The surgical system 20 further comprises an inflow source 31 coupled to the retractor 22 for providing a fluid 41 to the surgical site 21 to form a volume of fluid 41 disposed in the surgical site 21 and the retractor 22, an outflow source 32 configured to be in fluid communication with a surgical instrument for removing a volume of fluid from the surgical site 21, a fluid level sensor 33 coupled to the retractor 22 for providing a fluid level sensor input signal based on a level of fluid 41 disposed in the retractor 22, and a controller 43 in communication with the fluid level sensor 33 and the inflow source 31, and not in communication with the outflow source 32, the controller 43 configured to control a flow rate of fluid 41 being provided by the inflow source 31 to compensate for sensed changes due to operation of the outflow source 32 such that a threshold level 48 of fluid 41 is maintained in the retractor 22.

Internal fixation systems and methods for prone lateral spine surgery on a patient. The system comprises a lateral lumbar interbody fusion (LLIF) retractor and a posterior compressor / distractor including a posterior distractor rack assembly having a rack and a posterior distractor carriage assembly configured to operably engage the posterior distractor rack assembly. The posterior distractor rack assembly includes a first swivel tube subassembly having a first swivel tube, and the posterior distractor carriage assembly includes a second swivel tube subassembly having a second swivel tube. The first and second swivel tubes are each configured to receive a pedicle screw and screw tower therein. The first and second swivel tube subassemblies are configured to be moved and positioned with respect to each other, such that a surgeon can access the patient's disc space from the left and right sides, and without the need for a bolster.

This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column during a medialized posterior lumbar interbody fusion (PLIF) procedure.

The invention discloses a spinal surgery dilator which comprises a pair of rings, the outer sides of the two rings are connected with control handles, the two control handles are jointly connected with a supporting and fixing assembly, the supporting and fixing assembly comprises connecting discs connected with the free ends of the control handles, the two connecting discs are hinged in the axis direction of the connecting discs, the outer sides of the two connecting discs are connected with connecting arms, and the connecting arms are hinged to the free ends of the control handles. The free end of the connecting arm is rotationally connected with a rotating arm, the free end of the rotating arm is rotationally connected with a supporting arm through a rotating shaft, and the supporting arm is connected with a pair of connecting bolts through a distance adjusting assembly. The supporting and fixing assembly can be connected with two sections of spines of a patient respectively, the two pairs of connecting bolts are connected with the two sections of spines of the patient respectively, and meanwhile the supporting distance of the supporting and fixing assembly on the two sections of spines of the patient is finally changed by adjusting the included angle between the two control handles.

Disclosed herein is a device for use in a spine surgery. The device includes: a first member having a distal end and a proximal end and includes a first lumen extending through the axial length of the first member and has a proximal opining for introducing a first fluid therethrough; a second member having a distal end and a proximal end and includes a second lumen sized to accommodate the first member therein except the distal and proximal ends thereof, a third lumen having a distal opening and is parallel to the second lumen, and a proximal inlet connected to the third lumen for introducing a second fluid therethrough; and an expandable structure coupled to the distal opening of the third lumen, wherein the first member is made of a rigid material, while the second member is made of a flexible material; and the second fluid is to expand the expandable structure. Also disclosed herein is a method for treating a spine disease by use of the device disclosed herein.

The present application relates to the technical field of teaching apparatus, and provides a dynamic dissection demonstration device for thoracic vertebral yellow ligament, which solves the problem that students are difficult to realize the conversion of surgical skills due to the fact that the existing spine surgery teaching tool cannot simultaneously realize the three-dimensional shape real restoration and dynamic reversible operation of surgery. The present application comprises: simulated vertebrae arranged at intervals; simulated intervertebral discs arranged between adjacent simulated vertebrae; simulated vertebral plates arranged on one side of each simulated vertebra; simulated yellow ligaments arranged on one side of each simulated vertebral plate close to each simulated vertebra; each simulated vertebra and / or each simulated vertebral plate and / or each simulated yellow ligament is configured with a standard model and a pathological model, and the pathological model has morphological characteristics different from the standard model; the simulated vertebrae, simulated intervertebral discs and simulated vertebral plates are converted into independent and quickly detachable modules through magnetic blocks and adsorption blocks, and after the dynamic dissection demonstration of the yellow ligament is performed, repeated teaching demonstration and surgical practice can be performed.

Surgical systems and methods involve a robotic manipulator configured to support and move a surgical tool, and a control system coupled to the robotic manipulator. The control system obtains a bone mineral density (BMD) map of a target bone and controls the robotic manipulator to move the surgical tool into contact with the bone at one or more points. Using the BMD map, the control system determines predicted BMD values of the target bone at the contact points. The control system calculates an estimated operational parameter of the surgical tool based on the predicted BMD values. The control system measures an actual operational parameter of the tool during interaction with the bone and compares it to the estimated operational parameter to identify any discrepancy. Upon detecting a discrepancy, the control system generates a corrective action or alert.