41 results about "Spinous process" patented technology

A spinous process clamp can include opposing arms, opposing gripping components, an adjustable spacing arrangement, and a coupling component. Each arm can have a top distal end, a midsection, and a bottom distal end. Each gripping component can be located proximate the bottom distal end of an arm and can be configured to grip a side of a spinous process. The arms can be pivotally coupled about their midsections to adjust the distance between the gripping components. The adjustable spacing arrangement can be coupled to the arms proximate their top distal ends and can be configured to adjust and maintain a pivoted position of the arms. The coupling component can be coupled to the top distal end of and arm and can be configured to rotationally couple the spinous process clamp to a separate surgical component, which can be a surgical fiducial marker positioner.

A method and suture anchor for treatment of spinal stenosis. The method includes the steps of cutting off a muscle origin or insertion from a spinous process, cutting off the spinous process at the transition to the lamina arcus vertebrae, at least partial resection of the lamina arcus vertebrae and thereby decompression of the spinal cord within the foramen vertebral, performing osteosynthesis of the spinous process, and placing a suture anchor within the spinous process and reattaching the muscle origin or insertion to the spinous process. Further methods for spine stabilization are provided wherein suture anchors are used to implement a tension band wiring. Further methods for reduction of unwanted effects after spinal treatment are provided.

The invention discloses a spine structure detection method for vertebrae in an X-ray image, and belongs to the field of computer vision and medical image processing. At present, a spinous structure of a model is generally not designed in a targeted manner, and local fine features of the spinous structure are very easy to ignore. And on the other hand, the target is influenced by surrounding tissues and artifacts, and the model needs to have enough capability to distinguish the target from the background. The invention provides a convolution operator used for capturing thorn-shaped structure features and a more effective channel attention mechanism, the convolution operator and the channel attention mechanism are embedded into a popular target detection framework, and the spine-shaped structure detection method for the vertebrae in the X-ray image is constructed. The method provided by the invention can accurately detect the vertebrae in the X-ray image and the spinous structure generated by the vertebrae, and provides powerful technical support for downstream tasks.

The invention discloses a robot calibration method for spine endoscopic surgery, which comprises the following steps: S1, optical marking points are pasted on the skin or bony structure of a patient, the skin marking is used for fixing a reflective ball by using a medical adhesive tape, the bony marking is percutaneously implanted into a spinous process or crista iliaca through a titanium alloy bone nail, and at least six marking points are needed. According to the method, minimally invasive property and stability are both considered through a double marking strategy, six points cover three vertebral bodies to ensure the integrity of an anatomical range, registration errors caused by breathing / body position changes are reduced, meanwhile, non-rigid registration is combined with a B spline grid (10 mm) to consider calculation efficiency and spine physiological curvature adaptability, high-precision surface reconstruction is achieved through a Marching Cubes algorithm, and the method has the advantages of being high in precision and high in precision. An error suppression mechanism is formed by + / -0.25 mm precision and redundancy measurement (five times of sampling) of the optical tracking system, registration robustness is improved through SVD and ICP double-algorithm complementation, multi-constraint path planning is achieved through an A * algorithm and Monte Carlo simulation, and a 4 mm safety corridor provides a buffer space for instrument errors.

A spinal treatment system includes a constraint device having an upper tether portion, a lower tether portion and a compliance member coupled therebetween. The upper tether portion is coupled with a superior spinous process of a spinal segment in a patient and the lower tether portion is coupled with an inferior spinous process or sacrum of the spinal segment. The length or tension in the constraint device is adjustable so that the construct of the tether portions and the compliance member provides a force resistant to flexion of the spinal segment. The system also includes a first prosthesis coupled with the spinal segment, wherein the constraint device modulates loads borne by the prosthesis or by tissue adjacent thereto.

This application relates to an orthopedic support member, including a spinous process support member. The spinous process support member includes an elastic material, a first part that cooperates with a first strap to support a first spinous process, a second part that is isolated from the first part and cooperates with a second strap to support a second spinous process, and a third part that is located at one end of the first part and the second part and connects the two; there is an isolation space between the first part and the second part, the ends of the first part and the second part away from the third part are the openings of the isolation space, and the inner surfaces of the first part and the second part facing the isolation space have structures for preventing the straps from slipping, and / or there are structures for preventing the straps from slipping between the first part and the second part. By bundling and fixing the spinous process support member to adjacent two spinous processes respectively, the stability and controllability of the lumbar spine structure movement are achieved, the dynamic movement of the spine is ensured, and the patient's postoperative movement is more flexible. This application also relates to an orthopedic support system.

The invention discloses an image generation method and device, equipment, a medium and a program product. Under the condition that a contact of an acquisition tool is in physical contact with a spinous process feature point of a first vertebral section of a skeleton, information of a relative position relation between the acquisition tool and a spinous process positioning frame is acquired; according to the information of the relative position relationship, determining the position information of the acquisition tool in the spinous process positioning frame coordinate system; transferring the position information of the first vertebral section of the skeleton in the preset vertebral body coordinate system to the spinous process positioning frame coordinate system to obtain the position information of the first vertebral section in the spinous process positioning frame coordinate system; position information of the spinous process positioning frame and the target plate is obtained in real time, and the posture of the target plate is adjusted, so that the central area of the target plate in a spinous process positioning frame coordinate system is aligned with the central position of the first vertebral section; adjusting the posture of the camera to align the focus of the camera to the central area of the target plate; and photographing the skeleton by using a camera to obtain a target image. According to the embodiment of the invention, the image quality and the registration precision can be improved.

The present devices and methods provide a fixation system for restoring a posterior tension band in a patient. A first bracket is mounted to a first posterior boney landmark of a first lamina-spinous process; and a second bracket is mounted to a second posterior boney landmark of a second lamina-spinous process. A flexible tensioning cord is fastened between the first bracket and the second bracket, tensioned to induce lordosis in the lumbar spine; less tension would maintain kyphosis in the thoracic spine. A system for implanting the assembly includes a tensioning tool having a bracket grasping jaw half pivotally opposing a cord grasping jaw half, where their separation tensions the flexible tensioning cord while the cord is being coupled to one or more brackets. Advantageously, this permits restoration of the lumbar or thoracic posterior tension band in a motion sparing (non-fusion) manner and allows complete removal of the lamina / spinous process at a single or multiple levels.

A total artificial spinous process (spino)-laminar prosthesis (TASP-LP) including a body having a portion forming a spinous process extending away from the body, a first lamina portion extending from a first side of the body, and a second lamina portion extending from a second side of the body, wherein the first lamina portion and the second lamina portion are disposed on opposite sides of the spinous process.

A system for restricting flexion of a spinal segment in a patient comprises a constraint device having a tether structure and a compliance member coupled with the tether structure. The tether structure is adapted to be coupled with a superior spinous process and a sacrum. The system also includes an anchor member that is anchored to the sacrum. The anchor member has an attachment feature that is adapted to couple with the constraint device.

The present disclosure relates to a non-fusion lumbar motion system, comprising: two saddle-shaped upper support blocks and lower support blocks symmetrically arranged up and down; an elastic cushion block disposed between the upper support block and the lower support block; a balloon, the balloon being sleeved around the elastic cushion block, with the upper end fixedly connected to the upper support block and the lower end fixedly connected to the lower support block; an interspinous ligament, including an upper interspinous ligament extending upward from the upper support block, the upper interspinous ligament having a pair of curved sheet-like ligament pieces, and a spinous process fixing clip is provided at the top of the ligament piece; and a lower interspinous ligament extending downward from the lower support block and symmetrically arranged with the upper interspinous ligament; an elastic ligament, the elastic ligament being disposed between the upper support block and the lower support block. The present disclosure adopts a joint-like structure plus a balloon structure, enabling the posterior columns of the upper and lower vertebral bodies to achieve a certain bending and torsional movement and having the ability to buffer loads.

The invention relates to a spreading device (1) for maintaining a predetermined distance between adjacent spinous processes (21, 22) of a vertebral body, comprising a threaded section (3) having a first end element (310) arranged on a first end section (31) for interlocking contact with a first spinous process (21) of a vertebral body, a second end element (320) arranged on a second end section (32) opposite the first end section (31) for interlocking contact with a second spinous process (22) of a vertebral body, and a screw (4) for adjusting a distance between the first and second end elements (310, 320), in order to brace the first and second end element (310, 320) against the first and second spinous process (21, 22) such that the contacting end elements (310), 320) are clamped.

The invention relates to a method, system and spine processing device, for loosening meat from a spine portion of a split carcass part of a four-legged slaughter animal, comprising a positioning device for positioning the carcass part; a cutting device for loosening the meat, by cutting, from spinous process parts and from articular processes, the cutting device comprising a first cutter for cutting along the spinous process parts; a second cutter for cutting along an outer side of the articular processes; a third cutter for cutting along an upper side of the articular processes. The second cutter is movable transverse to the cutting direction, relative to the first cutter. The cutting device has an urging element for urging the second cutter towards the first cutter in the transverse direction while cutting, such that the second cutter cuts along the outer side of the articular processes.

A lumbar process static and dynamic stabilization device includes: an upper arm configured to receive and be affixed to a first spinous process of one vertebrae; and a lower arm configured to receive and be affixed to a second spinous process of another vertebrae. The upper arm and the lower arm are pivotally connected, such that the upper arm and the lower arm can pivot relative to each other to transition the device to a desired orientation. At the same time, the device can be selectively locked into either a static configuration by a locking mechanism or allowed to move dynamically, such that the upper arm and the lower arm of the device are allowed to move relative to each other in response to manipulation of the portion of the lumbar spine on which the device is implemented.

The invention relates to a method, system and spine processing device, for loosening meat from a spine portion of a split carcass part of a four-legged slaughter animal, comprising a positioning device for positioning the carcass part; a cutting device for loosening the meat, by cutting, from spinous process parts and from articular processes, the cutting device comprising a first cutter for cutting along the spinous process parts; a second cutter for cutting along an outer side of the articular processes; a third cutter for cutting along an upper side of the articular processes. The second cutter is movable transverse to the cutting direction, relative to the first cutter. The cutting device has an urging element for urging the second cutter towards the first cutter in the transverse direction while cutting, such that the second cutter cuts along the outer side of the articular processes.

A system may be configured to maintain spacing between a superior spinous process and lamina, and an inferior spinous process and lamina, of an adjacent superior vertebra and an adjacent inferior vertebra. The system may include a dynamic implant having an implanted position. The dynamic implant may include an interconnecting member, a superior member that may face the superior lamina in the implanted position, and an inferior member that may face the inferior lamina in the implanted position. The dynamic implant may define a cavity between the superior member and the inferior member, the cavity may include an opening at a first distal end, and the cavity may allow independent movement of the superior member and the inferior member in a generally superior-inferior direction in response to movement of the adjacent superior vertebra and / or the adjacent inferior vertebra.

A system may be configured to maintain spacing between a superior spinous process and lamina, and an inferior spinous process and lamina, of adjacent vertebrae. The system may include a dynamic implant having an implanted position. The dynamic implant may include an interconnecting member having a proximal superior surface having a superior concavity shaped to receive the superior spinous process, and a proximal inferior surface having an inferior concavity shaped to receive the inferior spinous process. The dynamic implant may also include a superior member having a distal superior surface, that faces the superior lamina in the implanted position, an inferior member having a distal inferior surface, that faces the inferior lamina in the implanted position, and a resilient block configured to move within a cavity between the superior and inferior members such that, the resilient block may urge the superior and inferior members to move apart.

The invention discloses an internal fixation device for total laminectomy, which belongs to the technical field of medical instruments for orthopedics department and comprises two bases, the two bases are an upper base and a lower base, the top end of the lower base is connected with the bottom end of the upper base through an elastic body, so that the upper base can deflect relative to the lower base, and the elastic body is arranged on the upper base; the axial distance between the upper base and the lower base can be changed; an upper spinous process connecting part is arranged at the top end of the upper base, a first fastening piece is arranged on the upper spinous process connecting part, and the first fastening piece extends in the left side direction and the right side direction of the upper base and is connected with the upper spinous process connecting part; by the adoption of the structure, vertebrae subjected to a total laminectomy and adjacent upper and lower vertebrae can be effectively connected, the stability of the spine is guaranteed while the activity degree of the spine is guaranteed, the vertebral plate connecting device adapts to the physiological structure of the vertebrae after the operation, and the vertebral plate connecting device has the advantages that the vertebral plate connecting device is simple in structure, convenient to use and high in practicability. And the damage to the surrounding physiological structure is small.

The present disclosure provides a device to restrict interspinous motion across multiple segments of a spinal column in a patient, comprising at least a first ligamentous line attached to a spinous process, a soft tissue in proximity to posterior aspects of a spinal vertebrae, or a pre-existing spinal fixation device or system.

Dynamic reference arrays use markers and trackers to register a patient's anatomy to computer system. Wherein the dynamic reference array may be screwed into a patient's spinous process, clamped on to a spinous process, or attached to the spinous process using posts. In embodiments, a dynamic reference array may comprise a single structure comprising and attachment member and a scaffold. In alternate embodiments, the dynamic reference array may comprise distinct structures that allow the dynamic reference array to swivel and collapse in order to facilitate registration, while not interfering with a surgical procedure.

The vertebral plate lifting device comprises a supporting assembly and a lifting assembly, and the supporting assembly is used for being detachably connected with a screw rod system; the lifting assembly comprises a clamping structure and a lifting structure, the clamping structure is used for clamping the spinous process, the lifting structure is connected with the supporting assembly, and the lifting structure is used for driving the clamping structure to move in the first direction so as to lift the spinous process and the vertebral plate connected with the spinous process. Compared with an existing vertebral plate lifting device which is directly connected with the vertebrae through screws, the vertebral plate lifting device provided by the embodiment of the invention is detachably connected with the screw-rod system, and after the lifting structure clamps the spinous process, the lifting structure of the lifting assembly can drive the clamping structure to move in the first direction so as to lift the spinous process and the vertebral plate, so that the spinous process and the vertebral plate can be conveniently lifted, and the vertebral plate can be conveniently lifted. The situation that screw holes connected with the vertebral plate lifting device are additionally formed in the vertebral plate and the vertebrae, and consequently the strength of the vertebral plate and the vertebrae is affected can be avoided; in addition, the risk that screw holes are additionally formed in the vertebral plate, so that nerves in the vertebral canal are damaged is reduced.

The application discloses a rapid registration method and device for robot-assisted spine surgery, and steps of the rapid registration method include: performing a Boolean operation on a spinous process part of a three-dimensional model of a vertebra of a surgical subject and a three-dimensional model of a registration device, and deriving a registration matrix; deriving the three-dimensional model of the registration device after the Boolean operation, and performing rapid prototyping processing; and in a surgical process, fixing the registration device in place on the spinous process part of the surgical subject, and completing registration. The application has the advantages of simple interactive operation, short learning period, portable and easy-to-disinfect registration device, fast registration speed, avoidance of X-ray radiation exposure, and improvement of a surgical environment.

The invention relates to an orthopedic support comprising a spinous process support comprising a first portion configured to secure a first spinous process, a second portion configured to secure a second spinous process, and a third portion connected between the first portion and the second portion configured to support the first spinous process and the second spinous process; wherein the first part or the second part respectively comprises two sub-parts which are at least positioned on two sides of the first spinous process or the second spinous process. Adjacent spinous processes are respectively clamped and fixed by utilizing the structure of the device without fixing by bandages or bone nails, so that the stability and controllability of the movement of the lumbar vertebra structure can be achieved, the original movement of the lumbar vertebra is simulated, the dynamic movement of the spine is ensured, and the postoperative movement of a patient is more flexible.

The present invention relates to a snap - type steel plate internal fixation device for minimally invasive spinal surgery, which includes a machine head connection seat. An XY two - way adjustment mechanism and an X - direction adjustment mechanism are respectively arranged on the machine head connection seat. A main eccentric steel plate clamping device is arranged on the XY two - way adjustment mechanism, and a secondary eccentric steel plate clamping device is arranged on the X - direction adjustment mechanism. The main eccentric steel plate clamping device and the secondary eccentric steel plate clamping device are symmetrically distributed. A main steel plate is arranged on the main eccentric steel plate clamping device, and a secondary steel plate is arranged on the secondary eccentric steel plate clamping device. A snap - fit structure is distributed between the main steel plate and the secondary steel plate. Thus, two - way adjustment in the X and Y directions can be achieved, enabling the main and secondary steel plates with barbs to fit more closely to the bone. The two steel plate clamps are of eccentric structure, which is beneficial for delivering the steel plate along the subcutaneous tunnel to the ideal position. The spinous process ligament complex can be moved above the steel plate buckle, raising the spinous process ligament complex by a certain height, and the steel plate barbs are inserted into the spinous process bone mass to achieve stable positioning.

The utility model discloses an imitated vertebra support waist fixator, which comprises a pull strap and a support component, the support component is fixedly arranged in the middle of the pull strap, and the support component comprises an imitated vertebra plate. According to the vertebra-imitating supporting waist fixator, the first lumbar vertebra to the fifth lumbar vertebra can be covered with the vertebra-imitating plate, the backwards-protruding part can contain the lumbar spinous processes in different motion or static states, lateral protrusion of the lumbar segment is limited while the normal physiological curvature of the lumbar vertebra is recovered, local compression on the vertebral body can be prevented, and the lumbar vertebra can be protected from being damaged. The hollow-out parts can correspond to spinous processes of the first lumbar vertebra to the fifth lumbar vertebra, compression or limitation on a bony mark of the spinous processes is prevented, the bionic vertebra plate is arranged to be of a curved surface trapezoid structure with the wide upper portion and the narrow lower portion, the stress area is increased on the basis of conforming to the lumbar vertebra physiological structure, and pressure is relieved for lumbar vertebra surrounding muscles such as multifidus muscles, longissimus pectoralis and lumbar iliac rib muscles.

A system may be configured to maintain spacing between a superior spinous process and a superior lamina, and an inferior spinous process and an inferior lamina, of adjacent vertebrae of a spine. The system may include an implant that includes two superior wings that extend superiorly from a proximal superior surface such that, in an implanted position, the superior spinous process may be engaged therebetween. The implant may also include two inferior wings that extend inferiorly from a proximal inferior surface such that, in the implanted position, the inferior spinous process may be engaged therebetween. The system may include a clamp that includes two superior arms configured to engage the two superior wings to prevent disengagement of the two superior wings from the superior spinous process and two inferior arms configured to engage the two inferior wings to prevent disengagement of the two inferior wings from the inferior spinous process.

Systems and methods are disclosed for maintaining spacing between a superior spinous process and a superior lamina, and an inferior spinous process and an inferior lamina of adjacent vertebrae of a spine. A system may include an implant having a proximal superior surface with a superior concavity shaped to receive the superior spinous process, a proximal inferior surface with an inferior concavity shaped to receive the inferior spinous process, a distal superior surface, distal to the proximal superior surface, that faces the superior lamina, and a distal inferior surface, distal to the proximal inferior surface, that faces the inferior lamina. The implant may further have a threaded member extending along a proximal-distal direction, that rotates to urge the implant to move from a retracted configuration to a deployed configuration by urging the distal superior surface and the distal inferior surface to move apart.

The present invention relates to a spinal canal laminoplasty internal fixation device for partial spinous process posterior displacement, comprising a guide fixing block distributed on the right side of the spinous process, and also comprising a posterior displacement fixing block distributed on the left side of the spinous process, wherein the guide fixing block comprises a main bearing frame, the main bearing frame is provided with a through hole, a main screw is provided in the through hole, a main cross bar is provided in the main bearing frame, the main screw passes through the main cross bar, and the main cross bar extends toward the spinous process, and the posterior displacement fixing block comprises a secondary bearing frame, the secondary bearing frame is provided with a through hole, a secondary screw is provided in the through hole, a secondary cross bar is provided in the secondary bearing frame, the secondary screw passes through the secondary cross bar, and the secondary cross bar extends toward the spinous process. Thus, the mutual cooperation of the guide fixing block and the posterior displacement fixing block can facilitate the positioning of the partial spinous process posterior displacement. During use, stable guiding and locking can be achieved, which is convenient for use and adjustment. The delivery of drug particles can be achieved, meeting conventional analgesic and anti-inflammatory needs.