193 results about "Spinal operation" patented technology

The invention discloses an angle-adjustable spine blood coagulation electrode which comprises a tool bit assembly, a fixed body and a movable wire clamp. The tool bit assembly comprises an insulating rod, an inner tube and an outer tube, two electrodes which are insulated and separated 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 cavity and a second cavity which are communicated are formed in the fixing body, a steel pipe chuck and a screw cap are fixed to the other end of the first cavity, and a first handle and a second handle are arranged outside the fixing body. A reset spring is arranged in the first cavity; 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 scalpel head can axially stretch out and draw back and circumferentially rotate to adjust the angle of the scalpel head through a single hand, the operation range is small, the scalpel head rotates more gently, use is more convenient, and the requirement for multi-angle blood coagulation in a spinal operation can be met.

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.

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.

A method of performing an operation, e.g. a spinal operation, on a patient using a retractor comprising a pair of blade assemblies which are adapted to open about a set of axes that are not parallel to a third spatial axis, and further comprising a pair of arms, which are adapted to move the pair of blade assemblies apart from one another in the third spatial axis. In the method, the blade assemblies are closed to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The blade assemblies are then opened by rotating the blades about the set of axes, stretching the skin around the incision in a second direction that is substantially perpendicular to the first direction (i.e. the direction of the incision.)

A visualization instrument holder device can be used during a medical procedure to easily and safely reposition and reorient a visualization instrument while maintaining a constant insertion depth. The device can include an instrument lock defining an opening, a distal tubular member coupled to the instrument lock, and a pivot coupled to the distal tubular member. The distal tubular member can include a channel extending therethrough, and the opening and the channel can be configured to receive the visualization instrument. The pivot can include a curved surface that allows the distal tubular member to pivot about and against the patient. The device can include a proximal tubular member movable relative to the distal tubular member, allowing adjustment of a total length of the device. The device can also include a fixing element for locking a position of the proximal tubular member relative to the distal tubular member.

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.

A pivoting rod connector for spinal stabilization members comprises first and second connector blocks, each comprising a rod slot for receiving a stabilization member and a closure bore for receiving a closure device, a pivot mechanism connecting the first connector block and the second connector block to allow for angulation between the rod slots, and a locking mechanism to inhibit angulation of the pivot mechanism. Methods of connecting stabilization members in a spinal procedure can comprise adjusting of the angular positioning of the first connector block relative to the second connector block via the pivot mechanism, and locking a position of the first connector body relative to the second connector block following adjustment. The positioning of the connector blocks relative to the spine of the patient are adjustable when the stabilization members are coupled to the spine and inserted into the connector blocks.

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.

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 provides a spine minimally invasive surgery protection position frame which comprises a supporting frame, the supporting frame comprises a body cushion, a headrest and arm cushions, positioning mechanisms are arranged on the body cushion and the arm cushions, and each positioning mechanism comprises a plurality of sets of positioning rods, positioning sleeves, first springs and locking mechanisms. Guide holes are formed in the body pad and the arm pads in a matrix mode, the positioning sleeves are fixed to the bottoms of the body pad and the arm pads, top inlets correspond to the guide holes, the positioning rods are vertically matched in the guide holes and the positioning sleeves in a sliding mode one by one, and the first springs are arranged between the positioning rods and the bottoms of the positioning sleeves. After a patient lies on the supporting frame, under the compression of the patient, the compressed positioning rod can be vertically pressed into the guide hole, the non-compressed positioning rod is unchanged in shape, and a limiting enclosure is formed on the periphery of the patient, so that the patient is not prone to horizontal deviation, the stability in the spinal operation process is guaranteed, and the success rate of the operation and the perfectness of the operation are improved.

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.

An extender assembly for spinal surgery includes a base, an extension, and a blade. The base includes a frame, an engagement mechanism coupled to the frame and rotatable relative to the frame between a first rotational orientation and a second rotational orientation, and a jaw mechanism coupled to the frame and including first and second jaws movable for engaging a shank of a screw. The extension is configured to releasably engage the base and includes a jaw drive mechanism configured to move the first and second jaws when the extension is engaged with the base. The blade is configured to releasably engage the base. In the first rotational orientation of the engagement mechanism, the extension is locked in engagement with the base and wherein, in the second rotational orientation of the engagement mechanism, the blade is locked in engagement with the base.

Disclosed herein are spinal fixtures, a robotic system including the spinal fixtures, and related methods for performing spinal procedures including fixing and tracking fixture devices to register patient anatomy in a three-dimensional tracking space.

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 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.

The invention relates to the technical field of biomedicine, in particular to a serum protein marker for ossification of ligamentum flavum and application of the serum protein marker. The serum protein marker comprises erythrocyte glucose phosphate isomerase and / or dystrophin associated glycoprotein 1. According to the method, a data-independent quantitative proteomics strategy is utilized to compare a normal healthy control (a patient who does not suffer from ligamentum flavum ossification and needs spinal surgery to take ligamentum flavum tissues) with a ligamentum flavum ossification patient; it is found that ligamentum flavum ossification-related proteins, namely erythrocyte glucose phosphate isomerase (GPI) and dystrophy protein-related glycoprotein 1 (DAG1), with the obviously-changed expression quantity in tissue are beneficial to diagnosis of patients with ligamentum flavum ossification and provide effective targets for development of treatment methods of the ligamentum flavum ossification.

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 slideable 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, a drive shaft positioned within the longitudinal bore of the reducer.

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.

1. The name of this design product: spinal retractor. 2. Purpose of this design product: Used for retracting and fixing tissues and muscles during spinal surgery. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a spinal operation decision-making method and device. The method comprises the following steps: acquiring a case knowledge base and a spinal medical image of any object; case images and corresponding operation planning information are set in the case knowledge base; selecting a case image closest to the spine medical image from the case knowledge base; and generating an operation decision scheme of the spine medical image based on the operation planning information of the closest case image. In the application, by setting the case knowledge base, similar cases are selected from the case knowledge base for the new spine medical image for assistance, so that automatic decision-making of the spine operation is realized.

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.

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.

A cervical plate for easy reoperation includes: a main plate of a rectangular panel shape, which is installed using a screw on the vertebra from which the disk has been removed during spinal operation to support and fix the surgical site vertebra; and a subsidiary plate of a panel shape, which is installed using a screw during reoperation on an adjacent area to the surgical site where the main plate is installed to support and fix the reoperation site vertebra, wherein the main plate and the subsidiary plate can be connected continuously, thereby allowing additional installation of the subsidiary plate while maintaining the installed state of the main plate.

The present disclosure provides a spinal fixation device, including a spinal fixation pedicle screw and an outer oval sheath. The spinal fixation device is provided with at least one locking structure and the outer oval sheath is locked to the spinal fixation pedicle screw through the at least one locking structure. The spinal fixation device can strengthen the stability of the spinal fixation pedicle screw for fixation after implantation in vertebrae during the spinal surgery.

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.

The utility model relates to a screw plug extractor, and belongs to the technical field of spine surgery. The tool is mainly used for solving the safety problems that a wrench fails due to deformation of a hexagonal hole or a plum blossom hole of a screw plug in a spinal operation, and metal fragments are generated due to the fact that a U-shaped nail arm needs to be damaged in a traditional taking-out method. According to the technical scheme, the tool is characterized by comprising a left clamping jaw, a right clamping jaw, a left linking arm, a right linking arm, a left handle, a right handle and screws; trapezoidal clamping grooves are formed in the heads of the clamping jaws, the size of the minimum ends of the clamping grooves is slightly smaller than that of U-shaped openings of the U-shaped nails, and R-shaped arc grooves are formed in the middles of the clamping grooves and used for clamping orthopedic rods; the handle adopts the extension arm design, and the operating force is reduced through the lever principle. During operation, the handle is folded to enable the clamping groove to be clamped into the U-shaped opening, the U-shaped opening is gradually expanded by about 0.5 mm, the screw plug is separated from the spine nail, and therefore the screw plug is taken out without damage. The tool is compact in structure and easy and convenient to operate, metal fragments can be effectively prevented from being generated, and the operation safety and efficiency are improved.

A surgical system for computer assisted navigation during surgery, includes at least one processor that obtains a 3D radiological representation of a targeted anatomical structure of a patient and a set of fiducials of a registration fixture. The operations attempt to register locations of the set of fiducials in the 3D radiological representation to a 3D imaging space tracked by a camera tracking system. Based on determining one of the fiducials of the set has a location that was not successfully registered to the 3D imaging space, the operations display at least one view of the 3D radiological representation with a graphical overlay indicating the fiducial has not been successfully registered to the 3D imaging space, receive user-supplied location information identifying where the fiducial is located in the 3D radiological representation, and register the location of the fiducial to the 3D imaging space based on the user-supplied location information.

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.