7726results about "Internal osteosythesis" patented technology

A personalized fixation system includes a surgical planning software tool configured to adjust relationships of relevant anatomy of a subject, at least one bone anchor, a plate having a shape that does not conform to a single plane, the plate configured to accept the at least one bone anchor, wherein the shape of the plate is at least partially determined by the surgical planning software tool, and wherein the plate includes at least one node having a hole configured to receive the at least one bone anchor, and a locking element configured to connect the at least one bone anchor to the plate, wherein the plate is manufactured using additive manufacturing.

Orthopedic fixation devices including a pre-assembled double headed tulip assembly, having two tulip elements to receive rods, wherein the assembly may receive a bone fastener in at least one of the tulip elements. At least one of the tulip elements may include a saddle and a ring to attach the double headed tulip to a bone fastener.

A surgical planning and assessment system is disclosed. The system may include a computing system having a processor, a data store, and a patient specific planning and analysis module. The system may be configured to store a patient specific target plan including a digital representation of a spinal rod having a target geometry and transform the digital representation into a curved line. The system may generate a spline data set comprising a plurality of spline segments that are sequentially linked to one another. The system may adjust, iteratively, each spline segment until the plurality of spline segments approximate the curved line. The system may generate a digital file comprising drawings for manufacturing a spinal rod based on the plurality of spline segments. In various embodiments, each spline segment may be defined by a corresponding arc or a corresponding line extending between a corresponding starting point and a corresponding ending point.

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

Provided herein are several embodiments for an anchor device for insertion into a bone, all of which include a post suitable for implantation into a bone, and a cord housing coupled to the post. The cord housing has a lower housing with a cradle for receiving therein at least one cord, and an upper housing with a clamp for placement over the at least one cord inserted into the cradle. The joining of the upper housing to the lower housing forms a cord channel by the cradle and the clamp, to encase the at least one cord placed into the cradle. The cord housing also has means for fastening the upper housing to the lower housing and securing the at least one cord within the cord channel.

Implantable devices for fixation of curved bone such as the pelvic ring pubic symphysis and acetabulum, and methods for the use of the devices are disclosed. The implantable devices are convertible between a flexible state and a rigid state, and include an elongate structure having a proximal bone interface, a main body, and a distal bone interface. In a flexible state, the devices may be inserted along, and conform to a curved pathway, and in the rigid state, the devices may support the mechanical loads required to fixate a fracture.

An expandable intervertebral implant may include a superior endplate configured to engage a superior vertebra, and an inferior endplate configured to engage an inferior vertebra, wherein the inferior endplate may be spaced apart from the superior endplate by a gap. The expandable intervertebral implant may further include a first slider moveable along a first direction to urge linear expansion of the gap, and one or more cams each coupled to the first slider. The one or more cams may be configured to urge angular expansion of the gap in response to at least one of: rotation of the one or more cams about a rotation axis, and motion of the one or more cams along the first direction.

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.

The invention discloses a flexible mechanical arm driving system for minimally invasive interventional surgery, a flexible mechanical arm comprises a hollow first sleeve assembly which is coaxially configured, the first sleeve assembly comprises an inner tube and an outer tube, the inner tube and the outer tube are thin-walled tubes, the inner tube is arranged in the outer tube in a penetrating manner, and the inner tube and the outer tube are fixedly connected at the far end part; the inner tube and the outer tube are each provided with a straight tube section at the near end and a deformation section at the far end, and the deformation sections can be bent and deformed when the inner tube is pushed / pulled. The driving system comprises an instrument assembly and a driving module assembly; a driving driven module is arranged in the instrument assembly, and the flexible mechanical arm is connected with the driving driven module; a driving driving module and a PCB control board are arranged in the driving module assembly, the driving driving module is in transmission connection with the driving driven module, and the driving module assembly is used for driving the flexible mechanical arm to do linear, rotating and bending movement. The driving device is used for driving the coaxial antagonism tubular flexible mechanical arm to achieve bending, rotating and linear motion, full-automatic control can be achieved, and the control accuracy and safety are high.

Embodiments of the present invention relate generally to implant placement into bone. More specifically, embodiments of the invention relate to implant placement across the sacroiliac joint. Placement can be facilitated using various CT imaging views that allow the implants to be placed in bone associated with articular cartilage.

An aiming guide system configured for connection to a bone plate including an aiming arm and a connection assembly. The aiming arm has a rigid body extending from a proximal end to a distal end with a plurality of aiming holes defined through the rigid body between the proximal end and the distal end thereof. The distal end defines an attachment slot through the body. The connection assembly is configured to engage an attachment screw hole of the bone plate and the attachment slot such that the aiming arm is fixed in position relative to the bone plate with each of the aiming holes aligned with a respective hole along the bone plate.

Devices, systems, instruments, and methods for promoting healing and stability for bone fractures. A targeted interlocking plate-nail system may include an intramedullary nail configured to extend through a medullary canal of a long bone, a bone plate configured to be positioned against an exterior surface of the long bone, and a plurality of fasteners configured to extend through the bone plate, through the intramedullary nail, or through both the bone plate and the intramedullary nail, thereby interlocking the bone plate and the intramedullary nail together. Targeting instruments may be used for guiding the components into position.

Systems, devices, and methods for stabilization of bones and / or joints are disclosed. A medical implant may be inserted into a treatment site, such as an interspinous process space. The implant may have an outer body, an inner body coupled to the outer body, distal wings coupled to the inner body, proximal wings coupled to the outer body, and a threaded screw coupled to the inner body and outer body. The threaded screw may be configured to couple to a driver head of an insertion tool and the outer body may be configured to couple to an attachment member of an insertion tool. Actuating the insertion tool may actuate the threaded screw to thereby transition the proximal wings and the distal wings from a closed configuration to a deployed configuration, and from a deployed configuration to a clamped configuration.

Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The methods can include wrapping the bone tie around transverse processes of adjacent vertebrae to correct coronal plane deformity. The methods can include wrapping the bone tie around the spinous process of one vertebra and around the transverse process of a second adjacent vertebra to achieve rotational correction. The methods can include wrapping the bone tie around the lamina of adjacent vertebrae to achieve sagittal correction. The methods can include applying tension to the bone tie to set the sagittal correction. The methods can include passing the bone tie through a lumen in a vertebral body or a pedicle of the inferior vertebra and the lamina or articular process of the superior vertebra.

Methods are described for conducting minimally invasive medical interventions utilizing instruments and assemblies thereof to stabilize and / or fixate a dysfunctional sacroiliac (SI) joint. In one embodiment, a defect creation assembly is advanced from a posterior approach into the SI joint and configured to create pilot SI joint opening; portions of which being disposed in the sacrum and ilium bone structures. After the pilot SI joint opening is created, a prosthesis is press-fit into the pilot SI joint opening, wherein the pilot SI joint opening transitions to a larger post-prosthesis insertion SI joint opening and the prosthesis is securely engaged to the sacrum and ilium bone structures.

Clavicle fixation devices and methods thereof. A clavicle fixation device includes an elongated plate extending between first and second ends, the elongated plate defining a plurality of spaced apart screw holes. At least one pair of relief cuts extends into the elongated plate on opposite sides thereof, the at least one pair of relief cuts axially positioned between a pair of the spaced apart screw holes and at least one pair of suture holes along opposite sides of the elongated plate, the at least one pair of suture holes axially positioned between a pair of the spaced apart screw holes. At least one pair of relief cuts is axially aligned with a pair of suture holes to define combined holes on opposite sides of the elongated plate.

Orthopedic implants for generating fusion between two bones are disclosed. Notably, the implants do not require supplemental fixation. Disclosed wedge implants may include an interlocking, e.g. dovetail feature. Screw-type implants are disclosed as well. Various surface modifications and structural features are disclosed to promote bone growth and fusion. Related kits and methods are also disclosed.

A system for installing a vertebral stabilization system. The system includes an installation tool including a handle portion and a shaft extending distally from the handle portion. The shaft includes a conduit and a staple mechanism. The system also includes a flexible implant member extending along the conduit configured to be advanced out from a distal end of the shaft, and a staple housed in the staple mechanism. The staple is configured to secure the flexible implant member to a vertebra. The handle portion is configured to selectively advance the flexible implant member from the shaft and to selectively actuate the staple mechanism.

A telescopic intramedullary nail for the treatment of fractures or deformations of long bones, such as for example in the case of osteogenesis imperfecta or pseudoarthrosis may include a hollow stem and a rod telescopically coupled inside said hollow stem. The hollow stem may include, at a free distal end, an anchor tip configured to be internally fixed inside a distal portion of a long bone of a patient, without protruding from said long bone. The rod may include a free proximal end arranged to be fixed to a proximal site of said long bone.

Devices, assemblies, kits, systems and methods for shaping of elongated elements containing thermoplastic polymers are disclosed.

A periprosthetic plate and method of use are disclosed that includes a proximal segment having a top portion and an end portion with at least two curved hooks that are capable of passing through a patient's abductor muscles and rest medially on a tip of a patient's greater trochanter (GT), wherein the proximal segment includes a plurality of recessed bone screw holes. A periprosthetic proximal femur plate is disclosed that includes a head portion having at least six first polyaxial screw holes and a shaft portion connected to the shaft portion having a plurality of rows of at least two second polyaxial screw holes located at an angle from the horizontal from about thirty degrees to about sixty degrees. A combination periprosthetic proximal femur plate and greater trochanter (GT) plate construct is disclosed that includes a greater trochanter (GT) plate located on top of the periprosthetic proximal femur plate.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

The embodiment of the invention is suitable for the technical field of computer-aided medical treatment and image processing, and provides an automatic planning device and equipment for a pedicle screw and a computer program product. Extracting vertebral body outer layer point cloud data of a to-be-planned single vertebral body from the spine image data; the prediction model is used for processing the centrum outer layer point cloud data and outputting prediction coordinates, and the prediction coordinates comprise entry point coordinates and exit point coordinates; and the planning unit is used for planning the placement position of the pedicle screw based on the entry point coordinate and the exit point coordinate. By adopting the device, the planned position of the pedicle screw can be quickly and accurately predicted by using the deep learning model based on the point cloud data of the outer layer of the vertebral body, the data volume needing to be processed in the planning process is reduced, and the planning efficiency is improved.

Bone anchor assemblies are disclosed herein that provide for a single bone anchor assembly that can be utilized across a range of spinal surgical procedures, reduce manufacturing burden and cost, and provide for greater flexibility during a surgical procedure. The bone anchor assemblies disclosed herein include an implantable shank and a receiver member having two spaced apart arms which form a U-shaped seat to receive a rod, among other components. The bone anchor assemblies disclosed herein also provide a number of features to enhance capability and usability. Examples include features to facilitate better implantation of the shank, better coupling of instrumentation to the anchor, better performance in reducing a spinal fixation element, such as a rod, into the receiver member seat, and others.

An implant includes a body including a substrate and a bone interfacing lattice disposed on the substrate. The bone interfacing lattice includes at least two layers of elongate curved structural members. In addition, the at least two layers of elongate curved structural members include a first layer adjacent the substrate and a second layer adjacent the first layer. Also, the first layer has a first compressibility and the second layer has a second compressibility, wherein the second compressibility is greater than the first compressibility. Further, an interface between the first layer and the second layer is a transition region having a thickness within which the elongate curved structural members of the first layer are intermingled with the elongate curved structural members of the second layer such that a boundary of the first layer overlaps with a boundary of the second layer.

A personalized fixation system includes a surgical planning software tool configured to adjust relationships of relevant anatomy of a subject, at least one bone anchor, a plate having a shape that does not conform to a single plane, the plate configured to accept the at least one bone anchor, wherein the shape of the plate is at least partially determined by the surgical planning software tool, and wherein the plate includes at least one node having a hole configured to receive the at least one bone anchor, and a locking element configured to connect the at least one bone anchor to the plate, wherein the plate is manufactured using additive manufacturing.

A bone anchoring surgical system comprising a bone anchoring device comprising a bone anchor body configured to anchor a bone; and a deformable structure associated with the bone anchor body and located distally or proximally to the bone anchor body, the deformable structure configured to expand following deployment thereof in a target inner body skeleton position.

The invention relates to the technical field of neurosurgical intelligent operations, and discloses a neuroendoscopic surgery intelligent puncture positioning system based on image navigation, and the system comprises a preoperative modeling module which constructs a preoperative tissue model and a corresponding elastic tensor field based on a three-dimensional medical image of a patient; the image fusion module is used for receiving the data of the preoperative modeling module, collecting intraoperative endoscopic images, predicting the tensor disturbance of tissues through a deep learning model, and feeding back the updated tensor disturbance to the tensor updating module; and the tensor updating module is in two-way communication with the image fusion module and is used for superposing tensor disturbance obtained by processing the intraoperative image with the preoperative tensor. Through fusion of an image navigation technology and preoperative modeling, a three-dimensional positioning frame based on neuroendoscopy operation requirements is constructed, intelligent planning and real-time correction of a puncture path are realized, important brain regions and vascular structures are effectively avoided, intra-operative risks are reduced, and positioning precision and safety are improved.

The utility model discloses a double-locking skull fixing system, and belongs to the field of medical instruments. The double-locking skull fixing system comprises a connecting piece and a groove plug, the connecting sheet comprises a flat plate; fixing parts are arranged at the two ends of the flat plate; and the longitudinal section of the fixing part is L-shaped. The fixing system comprises a connecting piece and a groove plug, during fixing, the connecting piece is placed in, the connecting piece rotates around the center of the connecting piece, the end of the connecting piece enters a clamping groove of a skull and a repairing piece for primary fixing, the repairing piece makes contact with the edge of the skull after fixing, then the groove plug is placed in for secondary fixing, and therefore the purpose of fixing the skull and the repairing piece is achieved. The problem that in the prior art, skull locking operation is tedious is solved.

A system for correcting a lateral curvature of a spine that can include a plurality of screws configured to be implanted in a plurality of vertebrae, and a plurality of extensions configured to be removably coupled with the plurality of screws. Some embodiments of the plurality of extensions can be curved, bent, angled, and / or offset along at least a portion thereof and can be removably coupled with a screw head of each of the plurality of screws. The system can include a connecting element or rod that is configured to be coupled with the plurality of screw heads. Some embodiments of the system can be configured such that the rod can be guided along the plurality of extensions from the proximal toward the distal end portions of the extensions and into engagement with the plurality of screws to cause the plurality of vertebrae to move laterally.