62 results about "Thoracolumbar spine" patented technology

Various embodiments of the present invention relate to an apparatus for vertebral body replacement and methods associated therewith. In one embodiment, a vertebral body replacement apparatus may be used to correct and stabilize the spine (e.g., the thoracolumbar spine (T1-L5)). In another embodiment, a vertebral body (e.g., a diseased and/or damaged vertebral body) that has been resected or excised (e.g., for the treatment of a tumor or trauma) may be replaced (with the height of the resected or excised vertebral body being substantially replaced and restored by the apparatus of the present invention).

The invention discloses a thoracolumbar spine and cervical vertebra physiotherapy integrated machine. The thoracolumbar spine and cervical vertebra physiotherapy integrated machine comprises a treatment table board, a steering arm, a control tower and a pulley lifting device, wherein the treatment table board comprises a head-side half table board part and a foot-side half table board part, and at least one of the head-side half table board part and a foot-side half table board part is matched with a support slide rail in a sliding manner; the support slide rail is mounted on a lifting support in a pivoting manner around a horizontal axis and/or a vertical axis; the head-side half table board part is provided with a headrest module; the steering arm is pivotally mounted in the middle position, along the width direction, of one end of the support slide rail, and is provided with a patient table board positioning belt locking device and at least two pulleys, and the positions of the patient table board positioning belt locking device and the at least two pulleys are adjustable in position along the longitudinal direction of the steering arm; the control tower is communicated with a computer control device performing physiotherapy according to a treatment curve, is internally provided with a drive device which generates pull force according to the treatment curve information sent by the control device; and the pulley lifting device changes the direction of the pull force generated by the drive device and than acts the pull force on the spine of a patient. The thoracolumbar spine and cervical vertebra physiotherapy integrated machine has two purposes, and thus the financial burden of the patient is alleviated.

The invention discloses a medical orthopedic device and relates to an adjustable spine compression fracture orthopedic device. The adjustable spine compression fracture orthopedic device comprises a three-point pressure mechanism and a control mechanism. The three-point pressure mechanism comprises a pressing plate device used for applying pressure to the back, the sternum and the pelvis of the human body. The pressing plate device is provided with an adjusting device adjusting the pressure of the pressing plate device. The control mechanism comprises a controller, and a testing element used for testing the pressure of the pressing plate device. The controller is connected with the adjusting device. When the testing element measures the pressure value, the adjusting device is adjusted manually or adjusted through a controller to change the pressure value of the pressing plate device. According to the orthopedic device, a three-point pressure system is formed before and after the spine of the human body through the three-point pressure mechanism and the pressing plate device of the three-point pressure mechanism, the pressure can be adjusted, the function of fixing the thoracolumbar spine can be achieved, and in addition, abnormal bending of the thoracolumbar spine can be effectively straightened or controlled; and due to the cooperation of the control mechanism and the testing element, the effect of precisely treating the compression fracture is achieved.

The invention discloses a thoracolumbar spine compression fracture percutaneous minimally invasive distraction reduction device which comprises long-arm vertebral pedicle screws, a longitudinal connector, lengthened barrels and distraction devices. An arm external thread is arranged on the arm portion of each long-arm vertebral pedicle screw. The lengthened barrels are in a cylindrical shape. The lower section of each lengthened barrel is provided with an internal thread matched with the corresponding arm external thread. The long-arm vertebral pedicle screws and the lengthened barrels are connected through cooperation of the corresponding arm external threads and internal threads. The two ends of the longitudinal connector are connected to the lower ends of the two long-arm vertebral pedicle screws on the same side through nuts. The distraction devices comprise the first distraction device and the second distraction device which are vertically arranged between the two lengthened barrels in a staggered mode and used for adjusting the distance and angle between the lengthened barrels. According to the thoracolumbar spine compression fracture percutaneous minimally invasive distraction reduction device, effective distraction can be achieved for thoracolumbar spine compression fracture percutaneous minimally invasive operation, a C-arm X-ray machine is used for observation in the distraction process to achieve gradual distraction, over distraction and insufficient distraction are effectively prevented, and operation controllability is strong.

The invention provides a vertebral pedicle screw and a thoracolumbar spine anterior internal fixing system. The vertebral pedicle screw comprises a head portion with internal threads, a screw rod with external threads, and a gasket. One end of the screw rod, which is connected with the head portion, is provided with a circumferential groove, the gasket is snapped inside the circumferential groove and can rotate relative to the screw rod around the longitudinal axis of the screw rod, and the upper surface of the gasket abuts against the bottom surface of the head portion. When the vertebral pedicle screw is screwed in, the gasket is pressed into a centrum, so that the surgical operation difficulty can be reduced, injury to the patient can be reduced, surgical time can be saved, and the combination firmness between an implant and the centrum can be enhanced. The invention also relates to a thoracolumbar spine anterior internal fixing system. The thoracolumbar spine anterior internal fixing system comprises a plug screw, a connecting bar and the vertebral pedicle screw.

The invention provides a thoracolumbar spine fixator for correcting a lumbar spine. The thoracolumbar spine fixator for correcting the lumbar spine comprises a waist supporting plate, a shoulder supporting plate, an elastic buffering cushion, a retractable rod, a lumbar spine shaping mechanism and a lumbar vertebra supporting mechanism, wherein the waist supporting plate is fixed on the lower endsurface of the retractable rod; the shoulder supporting plate is fixed at the upper end of the retractable rod; the elastic buffering cushion is mounted on the right surface of the shoulder supportingplate; the lumbar spine shaping mechanism is arranged in the shoulder supporting plate and comprises a bunching wheel, a pull rope, a first guiding wheel, a second through hole, a second guiding wheel, an elastic binding band, a first through hole and a driving shaft; and the lumbar vertebra supporting mechanism is arranged in the middle of the right surface of the waist supporting plate, and comprises a supporting rod, a spring, a guide sleeve, a sliding block, a vertical plate, a medicine storage box, a ventilating hole, a cavity, a lumbar vertebra supporting plate and a chute. Compared with the prior art, the thoracolumbar spine fixator for correcting the lumbar spine has the beneficial effects that a lumbar spine shaping function of a patient is fulfilled, and lumbar spine supportingand physiotherapy functions of the patient are further fulfilled.

The invention provides a pedicle screw fixation device and system for thoracolumbar spine posterior orthopedics, and relates to the technical field of medical instruments. The pedicle screw fixation device for the thoracolumbar spine posterior orthopedics comprises a pedicle screw, a limiting piece and a locking piece; the pedicle screw comprises a screw head part and a screw body part which are connected with each other; the screw head part is provided with a sliding groove for placing a connecting rod; the limiting piece is movably connected with the sliding groove, can move in the axial direction of the sliding groove and is internally provided with a mounting channel which is axially through; the locking piece is movably connected with the mounting channel and can move in the axial direction of the mounting channel. According to the pedicle screw fixation device for the thoracolumbar spine posterior orthopedics, an existing sliding groove screw growth rod system is improved, through a mode that the limiting piece cooperates with the locking piece, the situation that by means of the existing sliding groove screw system, an incision operation is needed again in the final operation, an original implant is replaced, and the pain and financial burden of patients are greatly reduced.

The invention relates to a thoracolumbar spine posterior minimally invasive bone cement spine internal fixation system and application. The thoracolumbar spine posterior minimally invasive bone cement spine internal fixation system is composed of minimally invasive bone cement spine internal fixation system implantation materials and relative surgical instruments. The minimally invasive bone cement spine internal fixation system implantation materials comprise vertebral pedicle bolts, a neck-bending connection bar and jackscrews. The relative surgical instruments comprise implantation and orthopedic tools and the implantation materials are corresponding to the implantation and orthopedic tools. Excepting universal surgical tools, the relative surgical instruments specially comprise special tools directing at minimally invasive surgery percutaneous surgery and bone cement injection. The thoracolumbar spine posterior minimally invasive bone cement spine internal fixation system and application has the advantages that fixed advantages of the minimally invasive surgery and bone cement injection are combined, system trauma is small, an anti-pullout force is strengthened due to the bone cement injection, complications such as unstable spine, looseness, relapse can be avoided, and the thoracolumbar spine posterior minimally invasive bone cement spine internal fixation system is particularly suitable for agedness osteoporosis patients.

The invention provides a medical inflation shape-righting fixing vest, and relates to medical instruments for protection, shape righting and fixing of thoracolumbar spines. The vest is of an inflation air bag structure and is divided into a plurality of air bag columns spaced in the longitudinal direction, and air channels communicate the air bag columns to form a whole air bag. The inside of each air bag column is provided with a liner layer, the outside of each air bag column is double-layer cloth, the inner layer of the double-layer cloth of each air bag column is connected with the outside of the corresponding air bag column in an adhesive mode, the outer layer of the double-layer cloth of each air bag column is connected with the inner layer of the double-layer cloth of the corresponding air bag column in the longitudinal direction in a linear mode to form a longitudinal strip-shaped cloth interlayer, the outer layer of each interlayer is provided with an interlayer opening, an elastic fixing plate can be placed in or extracted from each interlayer opening, an inflation nozzle of the air bag is connected with an inflation device through an inflation pipe, the two lappets on the front portion of the vest are connected through an adhesive tape or a button or a zipper or a strap structure, and the vest is provided with 1-3 transverse fixing belts. The vest has the advantages that a fixation function can be achieved, a moderate physical stimulation activity can be provided for the affected portion, a novel treatment concept and mode are provided for spinal diseases, and the occurrence rate of complications which occur after fixation in the prior art is reduced.

The invention relates to a method for manufacturing a personalized thoracolumbar spine sagittal curvature die bar. The method for manufacturing the sagittal curvature die bar comprises the steps of utilizing computer software to reestablish a three-dimensional model of a to-be-fixed segment thoracolumbar spine based on medical images; performing simulation restoration on the three-dimensional model; manufacturing a personalized sagittal curvature die bar stl file in the computer software according to thoracolumbar spine sagittal curvature after restoration; and finally manufacturing the personalized thoracolumbar spine sagittal curvature die bar by utilizing a 3D printing or other quick forming method. The sagittal curvature die bar is a personalized auxiliary operation tool. On the die bar, a pedicle screw is designed additionally to distract or pressurize mark points to restore centrum and intervertebral space heights while the sagittal curvature is restored in a personalized mode, the subjectivity and blindness of a pre-bending connecting bar during an operation are avoided, and C type arm perspective times during the operation are reduced. The method is suitable for various conditions such as thoracolumbar spine fracture, spondylolysis and lumbar vertebrae intervertebral dis protrusion. The method is simple and convenient to operate, the requirements for doctors are low, the operation risk is reduced, the operation efficiency is improved, and the operation cost is reduced.

The invention relates to a polyaxial pedicle screw fixing device with a self-breaking screw and belongs to the technical field of medical equipment. The fixing device is the main part of a spine and thoracolumbar spine posterior approach internal fixation system and used for fast assembling a pedicle screw and a fixing rod. The polyaxial pedicle screw fixing device comprises a screw seat, the self-breaking screw, a pressing block, a screw head and a C-shaped clamp ring and is characterized in that two symmetrically U-shaped grooves are arranged in the lateral wall of one side of the screw seat, an implanting hole is arranged inside the screw seat, an axial groove is arranged inside the implanting hole, the outer lateral wall of the pressing block is provided with a protrusion correspondingto the axial groove, the screw head and the pressing block are connected in a sleeved manner, the C-shaped clamp ring is embedded into an annular groove in the bottom of the screw seat, and self-breaking screw is connected with the upper portion of the screw seat through a rectangular thread. The polyaxial pedicle screw fixing device has the advantages that the device is simple to operate, capable of achieving fast fixing, capable transmitting large torque and capable of preventing the thread abrasion of the self-breaking screw, the twisting off torque of the self-breaking screw is consistent, quantification locking is achieved, and surgery efficiency and accuracy are increased.

The invention discloses a thoracolumbar spine treatment and rehabilitation brace. The thoracolumbar spine treatment and rehabilitation brace comprises a back supporting structure, a front chest supporting structure, a leg fixing structure and a super-joint connecting structure; the front chest supporting structure and the back supporting structure are connected and jointly define a thoracolumbar spine clamping area; the leg fixing structure is connected with the back supporting structure and is used for being fixed to the outer sides of legs; the super-joint connecting structure is connected with the back supporting structure and the leg fixing structure, so that the gravity of the upper body of the human body can be transmitted to the legs of the human body through the super-joint connecting structure, and then the gravity of the upper body of the human body is borne. The gravity of the upper body can be transferred, so that the moving difficulty of a patient can be greatly reduced, atraditional rehabilitation training process can be accelerated, and then a rehabilitation process of thoracolumbar vertebral compression fracture is accelerated.

A massaging type thoracolumbar spine fixing brace comprises a front half brace and a rear half brace, wherein the front half brace and the rear half brace are curved surfaces which adapt to the frontpart and the rear part of the thoracolumbar portion of a human body; the front half brace and the rear half brace are fixedly connected with connecting buckles separately; the connecting buckles on the front half brace and the rear half brace are connected through a tensioning belt; the rear half brace is fixedly connected with a breathable liner; the breathable liner wraps an air bag; the air bagis provided with at least two air lines; each air line is connected with an air tube; and a port which is connected with an inflating ball or an air wave pressure therapeutic apparatus is formed in an end of each air tube. The massaging type thoracolumbar spine fixing brace has good fixing and supporting effect in the earlier stage after the surgery; and in the recovery stage of a patient, the patient can be treated by massaging on the premise of keeping stationary.

The invention provides a tension stimulation device for inducing rat thoracolumbar spine yellow ligament ossification and application. The device comprises a support, a rat fixing elastic platform arranged at the top end of the support, a tension stimulation assembly arranged at the lower end of the rat fixing elastic platform, a power assembly and a power conversion assembly arranged between thetension stimulation assembly and the power assembly, wherein the tension stimulation assembly comprises a vertically-moving stimulation rod, an arch-shaped bracket arranged at the top end of the stimulation rod and used for stimulating the rat thoracolumbar spine, and a power conversion assembly connecting piece arranged at the bottom end of the stimulation rod; the power conversion assembly comprises a transmission piece connected with the power assembly, and a stimulation rod adjusting wheel installed on the transmission piece and matched with the power conversion assembly connecting piece.

The invention belongs to the technology of medical instruments, and relates to a novel duplex thoracolumbar-spine fixator for the orthopaedics department. The novel duplex thoracolumnbar-spine fixator comprises a body, and the body comprises an inner fabric layer, an outer fabric layer, shoulder straps and hoop-and-loop fasteners. The inner fabric layer and the outer fabric layer are composited, the back portion and the front portion of the body are respectively provided with a support bag and an air bag which are vertically mutually parallel and spaced at an interval. A keel is arranged in the support bag, the air bag communicated with one end of the body is provided with an inflation inlet, and elastic strap fasteners are arranged on the waist on two sides of the back of the body. The novel duplex thoracolumnbar-spine fixator for the orthopaedics department is capable of perfectly meeting the requirements of clinical treatment, field first aid and transport of automobiles and boats, capable of fixing accurately and comfortably, flexible and light and convenient to carry.

The invention relates to an adjustable interface type supporting and fixing fusion device achieving zero incisure of the anterior thoracolumbar spine. The device comprises a connecting sleeve and two fusion components. A left-hand internal thread is arranged at one end of the connecting sleeve, a right-hand internal thread is arranged at the other end of the connecting sleeve, an external thread matched with the left-hand internal thread is arranged at one end of one fusion component, and an external thread matched with the right-hand internal thread is arranged at one end of the other fusion component. Each fusion component comprises a fusion portion and a connecting portion axially connected with the fusion portion. The external threads are arranged on the connecting portions, and the outer end faces of the fusion portions are of a net porous structure. The fusion components at the two ends are drawn close to the middle or opened towards two sides by rotating the connecting sleeve, and therefore the length of the fusion device is adjusted, placing in and taking out are facilitated, and high applicability is achieved. According to the fusion device, adjustment, opening supporting, fusion and zero-incisure fixing are integrated into one system, operation is easy, and use is convenient.

The invention discloses an adjustable thoracolumbar spine support protector, and relates to a support protector. The support protector comprises a protector body and an auxiliary support plate; a plurality of connecting ropes are fixedly connected to the left side and the right side of the protector body respectively, a plurality of connecting rings are fixedly connected to the side face of an auxiliary support plate, the connecting ropes are connected with the connecting rings in sequence, connecting buckles are symmetrically and fixedly connected to the top of the protector body left and right, connecting stay cords are rotationally connected to the lower portions of the connecting buckles, the lower ends of the connecting stay cords are provided with connecting fixed holes which are cooperatively buckled with connecting fixed blocks, the auxiliary support plate is made of cattlehide, and a plurality of support air bags arranged horizontally are fixedly connected to the inner side ofthe auxiliary support plate. Accordingly, the structure is simple, convenience is brought to use, and in the use process, a user can be fixed and supported through the protector body and the auxiliary support plate; meanwhile, the device can improve the support force through the connecting stay cords and a locking buckle device, and a guarantee is provided for early rehabilitation of a patient.

The connection kit of the subcutaneous elastic spinal internal fixation system, including the prying block, the longitudinal rod locking screw and the pedicle locking screw; the pedicle screw hole on the prying block is a stepped hole with a large upper part and a smaller one, which runs through the prying block The upper and lower end surfaces of the prying block, the pedicle locking screw hole penetrates from the rear wall of the prying block to the pedicle screw hole, the longitudinal rod hole penetrates from the rear wall of the prying block to the front end of the prying block, and the longitudinal rod locking screw hole The upper end surface of the prying block penetrates into the longitudinal rod hole; the longitudinal rod locking screw is installed in the longitudinal rod locking screw hole; the pedicle locking screw is installed in the pedicle locking screw hole. The present invention realizes the elastic fixation of the posterior thoracolumbar spine through the principle of prying and resetting. The prying block is compact in structure and can be placed under the skin of the patient. Compared with the thoracolumbar spinal external fixator placed outside the skin, its postoperative care is simple, has little impact on the daily life of the patient, and reduces the occurrence of local skin and soft tissue infections Rate.

The invention discloses a multi-segment series connection type external spinal fixation support. The multi-segment series connection type external spinal fixation support comprises a percutaneous double-thread pedicle screw, a working sleeve, screw connectors and embedded type horizontal and vertical rod locking screws. A pedicle screw body is arranged inside the percutaneous double-thread pedicle screw, pedicle screw double threads are arranged on one side of the pedicle screw body, and a screw easy-breaking self-disconnecting groove is formed in one side of the pedicle screw body. By means of a fixed/pry-adjustable kit design, different kits can be adopted according to the specific condition of bone fracture segments of a patient, so as to achieve long-stage thoracolumbar vertebral fracture centrum pry-reduction and distraction fixation, traditional long-stage open surgery is avoided, and surgery pain and economic burden can be relieved for patients. By the adoption of an embedded type locking screw structure, the number of external components is reduced greatly, scratching of clean dressing and clothes of patients by the tail ends of the locking screws can be avoided during postoperative rehabilitation, an aseptic environment can be built easily, and the possibility of complications like needle passage infection can be reduced.

The invention discloses a pedicle screw capable of correcting kyphosis deformity. The pedicle screw comprises a screw body, a screw tail and two blades with internal threads; a first U-shaped concavesurface is machined at the tail end of the screw tail, and a height difference exists between the two ends of the first U-shaped concave surface to form a first continuous slope surface; the pedicle screw comprises a nut, and the nut comprises a threaded block and a pressing block which can be connected in a relative rotating mode; the threaded block is provided with external threads matched withthe internal threads of the blades, and the threaded blocks can rotate and move in the blades in the thread direction; one end of the lower pressing block is connected with the threaded block in a relative rotating mode, the other end of the lower pressing block faces the screw tail, a second U-shaped concave face is machined at the end facing the screw tail, and a height difference exists betweenthe two ends of the second U-shaped concave face to form a second continuous slope, and the inclination directions and inclination angles of the first continuous slope and the second continuous slopeare the same. The accurate reduction of different compression degrees is achieved through the screw tail with different gradients, and kyphosis malformation caused by thoracolumbar vertebral fractureis effectively corrected.

The invention relates to the technical field of biomedicine, in particular to an individualized 3D printing method for a thoracolumbar spine lateral approach interbody fusion cage. The individualized3D printing method comprises the following steps that (1) three-dimensional CT scanning is conducted on a target part of a spine of a patient; and (2) three-dimensional CT scanning data are input intoa data workstation, corresponding intervertebral space three-dimensional stereoscopic structures completely matched with faces of upper and lower endplates of the target part of the spine of the patient are simulated, that is, the faces, the heights and the angles of the upper and lower endplates of the cage are determined. After being placed in the intervertebral space of the patient, the 3D printing interbody fusion cage is completely matched with or attached to the thoracolumbar spine intervertebral disc and the upper and lower endplates of the patient in a face-to-face mode, face-to-facesupporting between the cage and the end plates can be provided, thus damage and collapse of the end plates are avoided, sinking of the cage is avoided, stability is better, interbody fusion is facilitated accordingly, and the comfortable degree of the patient is increased.

The invention discloses a thoracolumbar vertebral fracture reduction orthopedic external fixator for effectively fixing a thoracolumbar spine, which comprises waist supporting plates on left and right sides, upper chest fixing plates which are arranged on the upper ends of the two waist supporting plates and of which the shapes are matched with the shapes of oxters and chest of a human body, and lower crista iliaca fixing plates which are arranged on the lower ends of the two waist supporting plates and of which the shapes are matched with the crista iliaca of the human body, wherein the two waist supporting plates, the upper chest fixing plates and the lower crista iliaca fixing plates enclose a frame body which can frame the belly from the chest under oxters on the top to the crista iliaca at the bottom of the human body. The invention aims to provide the thoracolumbar vertebral fracture reduction orthopedic external fixator, which can effectively improve the reduction success rate of patient with thoracolumbar vertebral fracture, restore the physiological height of the spine, relieve the kyphotic deformity of the thoracolumbar spine, reduce clinic syndromes of the patients and fix the lumbar spine, in order to overcome the drawbacks in the prior art.