67 results about "Bones fixation" patented technology

An example apparatus is provided for the approximation of two bones. The apparatus can include a first anchor configured for insertion into a first bone. The apparatus can include a flexible segment, and an internal mechanism configured to adjust a distance between the first bone and a second bone. The internal mechanism can include first and second components, the first component configured to engage with a distal end of the flexible segment, and the second component configured to engage with the first component and the first anchor such that the second component is movable along a length of the first anchor to cause the first component to move thereby adjusting the distance. The apparatus can include a second anchor configured to engage with the second bone and the flexible segment such that the flexible segment extends between the first component of the internal mechanism and the second anchor.

The present disclosure relates to a prosthesis (400) configured for implantation in a carpometacarpal joint in the wrist, the prosthesis comprising a first and a second implant part member (405a,b) configured to be screwed into a radius and metacarpal bone respectively. Each implant part member (405a,b) comprising an articulation member (420a,b) configured to be received in the bone fixation member (410a,b) in a releasable manner. The articulation members (420a,b) comprise orientation pins (423) configured to be inserted into bore sections of the bone fixation members 410a,b. When seated in the bore sections, the first portions of the articulation members (420a,b) with the orientation pins (423) are substantially centered along the central axes of the bone fixation members (410a,b), thereby forming common central axes extending through the bone fixation members (410a,b) and the articulation members (420a,b). The radius articulation member (420a) comprises a replacement articular surface configured for articulation with a replacement articular surface located on the metacarpal articulation member (420b). The radius replacement articular surface has (420a) a configuration that is asymmetric about the common central axis of the radius bone fixation (410a) and articulation members (420a). The bore sections have cross-section (419) extending perpendicularly to the central axis defining a first polygonal outline (429). The orientation pins (423) have cross-sections defining a second polygonal contour line, such that when the orientation pins (423) of the articulation members (420a,b) are seated in the bores of the bone fixation members (410a,b), rotation of the articulation members (420a,b) in relation to the bone fixation members (410a,b) is prevented.

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The plate body P comprises a plate body having at least one bridge portion BU used to bridge a gap S extending between bone fragments K1, the plate body comprising fixing portions BA1, BA2 each associated with at least one fixing point, at least one fixing point BP1, BP2 of the fixing portions formed on an island portion IA, the island portion being connected to each associated fixing portion only via spring segments FS1, FS2 which allow elastically restorable relative displacement between each fixing portion and each island portion, at least one of the spring segments causing relative displacement between the island portion and the associated fixing portion when a load is applied in the principal loading direction of the bone, and increasing the distance between the island portion and at least one bridge portion.

A method for bone fixation using a compression staple system may include loading a compression staple including legs into an inserter, positioning a drill guide proximate first and second bone portions, using the drill guide and a drill to create a first and second hole in the first and second bone portions, wherein the first and second holes may be configured to receive the legs of the staple, using the drill guide and a first and second drill pin, driving the first and second drill pins into the first and second bone portions, withdrawing the drill guide and leaving the drill pins in the first and second bone portions, guiding the inserter and the staple over the first and second drill pins, inserting the legs of the staple into the first and second holes, actuating the inserter to release the staple, withdrawing the inserter, and removing the drill pins.

A fully threaded implant for use for tissue and bone fixation to restore anatomical relationships has been discovered.

A system and method for fusing the sacroiliac joint is described herein. The system includes a first sacrum anchor and a first compression anchor for implantation through a bore in the iliac bone into engagement with the first sacrum anchor. The first sacrum anchor includes an external thread portion, and an internal channel defined by an inner surface. The inner surface includes an internal thread portion. The first compression anchor includes an outer thread portion along part of the shaft configured to engage the internal thread portion of the first sacrum anchor. Rotation of the first compression anchor draws the first compression anchor toward the first sacrum anchor when the outer thread portion of the first compression anchor is threadably engaged with the internal thread portion of the first sacrum anchor. This configuration allows a user to dial in the appropriate compression on the SI joint.

Periprosthetic bone fixation plates are disclosed including, for example, periprosthetic proximal femur plate, periprosthetic distal femur plate, periprosthetic humerus plate, periprosthetic ring plate, and periprosthetic troch plate. In use, the periprosthetic bone fixation plates are arranged and configured for use in periprosthetic fractures. That is, the periprosthetic plates include one or more features to facilitate positioning and securement of the bone fixation plate to a patients bone that previously received a surgically implanted orthopedic device or implant such as, for example, an intramedullary nail, a hip prosthesis, a knee prosthesis, etc. In use, the one or more features are designed and configured to facilitate avoidance of the previous surgically implanted orthopedic device or implant. In addition, the periprosthetic bone fixation plates are arranged and configured to facilitate plating of a longer working length as compared to existing bone fixation plates (e.g., plating from, for example, femoral condyle to greater trochanter).

Disclosed herein is a fractured bone repair kit, components and methods of use of same. The kit includes a coupler that secures an intramedullary implant to a targeting guide that guides fasteners into bone fixation holes of the intramedullary implant to secure the intramedullary implant to the fractured bone. The coupler includes a sleeve and a fastener. The sleeve is releasably securable to the targeting guide such that the targeting guide is removable from the coupler and the intramedullary implant when attached to the coupler. An actuator of the targeting guide may be toggled to transition the kit from an assembled configuration in which the targeting guide is secured to the coupler to a released configuration in which the targeting guide is removable from the coupler.

The invention relates to the technical field of medical apparatus and instruments, and discloses an intelligent skeleton fixing and resetting device suitable for orthopedic surgery, comprising two hinged support arms, connecting arms rotatably mounted on the support arms, screw rods fixedly mounted on the connecting arms, and a threaded sleeve sleeved on the two screw rods, a first screw rod is arranged on the supporting arm, adjusting assemblies are arranged on the fixing column and the threaded sleeve, bone nail holes are formed in the mounting plate, and a quick release assembly is arranged on the mounting plate; the adjusting assembly comprises a plurality of gear rings which are distributed in a linear array mode. According to the intelligent skeleton fixing and resetting device suitable for the orthopedic surgery, the lever principle is used for amplifying the torsion generated when medical workers adjust the skeleton, the medical workers pull the operation handle to drive the adjusting gear to drive the gear rings, then labor-saving adjustment of the skeleton position is achieved, the physical burden of the medical workers during operation is relieved, different gear rings are selected during adjustment, and the adjustment efficiency is improved. And high-precision control on adjustment can be realized.

The invention discloses an angle and length adjustable percutaneous minimally invasive bone fracture plate fixing channel for traumatic orthopedics, and relates to the field of traumatic orthopedics, the angle and length adjustable percutaneous minimally invasive bone fracture plate fixing channel for traumatic orthopedics comprises a handheld mechanism held by an operator, a plurality of adjusting mechanisms used for establishing a bone fracture channel and a bone fracture plate clamping mechanism, the adjusting mechanisms are the same in structural shape, and the bone fracture plate clamping mechanism is used for clamping the bone fracture plate. The bone fracture plate clamping mechanism is used for clamping a bone fracture plate, the adjusting mechanism is used for adjusting the length of the bone fracture channel, and the handheld mechanism is used for controlling the angle of the bone fracture channel and adjusting the length of the bone fracture channel. According to the angle and length adjustable percutaneous minimally invasive bone fracture plate fixing channel for the traumatic orthopedics department, multi-angle and length adjustment can be conducted on the channel through the handheld mechanism, an operator can accurately judge whether a bone fracture plate reaches a preset position or not by observing a display screen, position deviation caused by judgment depending on experience in a traditional operation is avoided, and the operation efficiency is improved. And the soft tissue injury caused by repeated adjustment is greatly reduced.

A threaded implant for bone fixation is provided. The implant includes a head. The implant includes a shaft extending distally from the head. The shaft includes a distal tip. The shaft includes a first set of threads extending a first predetermined length from the distal tip. The first set of threads are configured to capture cortical bone in one of a foot and / or ankle bone of a patient. The shaft includes a second set of threads extending a second predetermined length from the first set of threads. The second set of threads are configured to capture epiphyseal bone in the one of the foot and / or ankle bone. Related methods are also provided.

The invention discloses a high-strength biocompatible titanium wire rope and a preparation device and a preparation method thereof.The high-strength biocompatible titanium wire rope comprises multiple strands of twisted titanium alloy wires, the titanium alloy wires are coated with bioactive coatings through laser cladding, and the titanium alloy wires are prepared through the twisting technology of multi-layer interactive twisting combined with local weaving reinforcement. And under the combined action, the titanium alloy wire has ideal structural stability and high-strength performance. The titanium wire rope can accurately meet the diversified requirements of different medical scenes on the aspects of flexibility, strength, operation convenience and the like of instruments, the titanium wire rope can be excellently competent for both fine tissue suture and high-strength bone fixation, and richer and more efficient tool choices are provided for medical workers.

A bone fixation assembly includes a plurality of bone fixation elements that each include a bone anchor configured to be implanted into underlying bone, such as a vertebra. Each bone anchor is received in an anchor seat, and the anchor seats are joined by a fixation rod so as to operatively couple and fix the position and orientation of the vertebrae relative to each other. The bone anchor is free to rotate relative to the anchor seat, and is also free to pivot in a desired direction relative to the anchor seat.

A bone plate (100) incorporating a length adjusting elongate hole (130) formed in a shaft portion (115) thereof, along with corresponding methods of use, are disclosed herein. In one embodiment, the length adjusting elongate hole (130) is arranged and configured to receive one or more bone fixation devices (e.g., bone screws). In use, the bone fixation device positioned within the length adjusting elongate hole (130) may be partially loosened, without removal, to enable the patient's bone to be adjusted (e.g., loosening the bone fixation device within the length adjusting elongate hole allows the surgeon to adjust the position of the patient's bone, and hence the bone fixation device coupled thereto, relative to the bone plate). Once properly adjusted, the bone fixation device positioned within the length adjusting elongate hole (130) may be retightened. In various embodiments, the length adjusting elongate hole (130) is arranged and configured so that, in use, each of the plurality of bone fixation openings remains available to a surgeon.

Systems and methods for fixing bone using an intramedullary nail locked to an encircling anchor including a bushing and a locking member. An exemplary system may include any combination of the nail, one or more bushings, one or more locking members, an instrument to guide installation of the bushing, at least one drill, and a driver that attaches to the bushing. The instrument may define a guide axis and be configured to be coupled to a bone such that the guide axis extends across the bone. The instrument may be used to guide a drill, the bushing, and / or the locking member along the guide axis into the bone. The nail may be configured to be placed along the medullary canal of the bone such that the nail extends through the bushing, and the locking member may be configured to lock the nail to the bushing.

The utility model provides a kind of intelligent bone external fixation support of micro motion, including tail box, control system, fixed sliding block and micro motion sliding block, tail box one end is equipped with connecting rod and micro servo electric jar, fixed sliding block is installed on connecting rod and position is adjustable, micro motion sliding block is slidably arranged on connecting rod, the telescopic end of micro servo electric jar is hinged with micro motion sliding block, for driving micro motion sliding block moves along connecting rod, fixed sliding block and micro motion sliding block are all installed with screw for fixing bone, force sensor for measuring the telescopic end of micro servo electric jar thrust and position sensor for measuring the telescopic displacement of telescopic end of micro servo electric jar are equipped on micro servo electric jar, control system is arranged in tail box, and respectively with micro servo electric jar, force sensor and position sensor electric connection.The utility model cooperates through control system, micro servo electric jar and sensor, can realize high-precision micro motion control, it is easy to operate and cost is reasonable.

The application relates to an orthopedic drilling device for preventing soft tissue injury, which comprises an inner cylinder and an outer cylinder; the inner cylinder is slidingly matched to the inner side of the outer cylinder, and a guide channel for a drill bit is formed in the inner cylinder; the bottom of the outer cylinder is provided with a positioning assembly for positioning the device on a target bone and a protection assembly for protecting soft tissues around the bone, and the outer wall of the outer cylinder is further provided with a fitting assembly for fitting a skin surface; a transmission assembly is arranged on the positioning assembly, and the transmission assembly is used for synchronously driving the protection assembly to outwardly expand in the stroke of a bone positioning action of the positioning assembly, so as to form a soft tissue shielding barrier around a drilling area. The application is used for realizing bone fixation and soft tissue protection through a mechanical linkage structure, and can improve the operation safety and accuracy and simplify the operation process.

The present invention provides a bone fixation plate for fixing bone fragments, and a method for manufacturing such a bone fixation plate. [Solution] A bone fixation plate (P) for fixing a bone fragment, comprising a long body (G) having an upper surface (G1) and a lower surface (G2) opposite to the upper surface (G1), the lower surface being provided for positioning the bone fixation plate on a bone fragment, the bone fixation plate having a plurality of openings for each receiving a screw, an integrally molded annular insert (R) being positioned in at least one of the openings, the insert comprising a first and a second portion, the first portion facing toward the upper surface and positioned directly adjacent to the second portion in the axial direction, the first portion having a non-rotationally symmetric outer contour, and the second portion having a rotationally symmetric outer contour.

Systems and methods for bone fixation are disclosed herein. According to aspects illustrated herein, there is provided a fastener for use in securing a bone plate that includes an outer member having a first outer section and a second outer section, wherein formed in the first outer section is a first bore with a first shape and formed in the second outer section is a second bore with a second shape; and an internal member longitudinally moveable within the outer member, the internal member having a first internal section having an outer surface that is sufficiently designed to fit within and engage a wall of the second bore of the outer member and a second internal section sufficiently sized to fit within the first bore of the outer member, the second internal section having an outer end with a peripheral engagement portion.

A bone fixation plate may include a first end and a second end opposite and spaced apart from the first end along a longitudinal axis. The bone fixation plate further includes a first surface extending from the first end to the second end and a second surface opposite from the first surface. The bone fixation plate further includes a network of interstices disposed between the first surface and the second surface. The plurality of interstices is provided based on a stiffness matching system and method with respect to an underlying bone or a virtual surgical model thereof. The bone fixation plate further includes a plurality of screw holes defined by and extending through the bone fixation plate from the first surface to the second surface.

The present invention provides a connecting device for linking a rod to a bone fixation element. [Solution] A coupling device for connecting a rod 100 to a bone fixation element 1 having a head 3 and a shaft 2 comprises a receiving part 5, the receiving part having a recess for receiving a rod and a receiving space for accommodating the head of the bone fixation element, and comprising a pressure element 6 having a first part including a rod support surface 62a and a second part 66 having a hollow interior, the receiving part includes a first fixing part, the pressure element includes a second fixing part 63a configured to engage with the first fixing part, the pressure element is insertable into the receiving part from the second end in a first rotational direction in which the first fixing part and the second fixing part are not engaged with the receiving part, and the pressure element is rotatable within the receiving part to take a second rotational direction in which the first fixing part and the second fixing part engage with the receiving part to prevent the pressure element from moving toward the first end.

An orthopedic clamp for use in conjunction with an external bone fixation (EBF) device, comprising an upper clamp, comprising an upper portion of a pin channel; a lower clamp, comprising a lower portion of the pin channel; a flexible hinge coupled between the upper clamp and lower clamp; and a shaft hole that passes through the upper and lower clamps, configured to accept a bolt for attachment of the orthopedic clamp to an orthopedic strut.

A bone fixation plate is provided that includes a body that extends between a proximal end and a distal end. The body includes a top surface and a bottom surface disposed opposite the top surface. The body includes a slotted aperture extending between the top surface and the bottom surface thereby forming a fastener passage therethrough. The slotted tail aperture includes a length extending along a lengthwise axis and a width extending along a widthwise axis. The lengthwise axis extends between a first lengthwise end of the slotted aperture and a second lengthwise end of the slotted aperture. The second lengthwise end is opposite the first lengthwise end. The slotted aperture includes a threaded first portion disposed at the first lengthwise end and a thread-free second portion disposed at the second lengthwise end.

To provide an improved bone fixation plate.SOLUTION: A bone fixation plate is provided that includes a body extending between a proximal end and a distal end. The body includes an upper surface and a lower surface disposed opposite the upper surface. The body includes a slotted aperture extending between the upper and lower surfaces, thereby forming a fastener passage therethrough. The slot tail aperture includes a length extending along a lengthwise axis and a width extending along a widthwise axis. The longitudinal axis extends between a first longitudinal end of the slotted aperture and a second longitudinal end of the slotted aperture. The second lengthwise end is opposite the first lengthwise end. The slot aperture includes a threaded first portion disposed at the first longitudinal end and an unthreaded second portion disposed at the second longitudinal end.SELECTED DRAWING: Figure 1

A bone plate alignment system includes an alignment guide and a bone plate. The alignment guide includes a body portion, a first arm extending from a first side of the body portion, and a second arm extending from a second side of the body portion. The first and second arms extend from the body portion at a substantially oblique angle relative to one another. The bone plate includes an upper portion having at least one opening configured to receive at least one fastener to facilitate coupling with a first bone, a lower portion having at least one opening configured to receive at least one fastener to facilitate coupling with a second bone, and an intermediate portion disposed between the upper and lower portions, wherein the intermediate portion is configured to be disposed substantially adjacent both the first bone and the second bone.

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The invention comprises a plate body P, the plate body having an upper surface OS and a lower surface for positioning the plate body on bone fragments K1 and K2, the plate body having a plurality of fixing parts BA1 and BA2, the bone fixation plate OP being fixed to the bone fragments at the lower surface of the plurality of fixing parts, each of the plurality of fixing parts being associated with at least one fixing point BP1 and BP2, at least one fixing point of the fixing parts being formed on an island part IA, the island part being connected to the relevant fixing part of the plate body only via spring segments FS1 and FS2 that allow elastically restorable relative displacement between each fixing part and each island part, and the spring segments asymmetrically surrounding the fixing point associated with the spring segments.

A bone fixation assembly may include a male member removably couplable with a female member. The male member may include a male load-sharing feature having at least one male load-sharing surface. The female member may include a female load-sharing feature having at least one female load-sharing surface. The female load-sharing feature may be positioned and shaped to receive the male load-sharing feature therein. In response to a bending load acting on the bone fixation assembly, at least one of the male member and the female member may bend such that, at least a portion of the at least one male load-sharing surface engages with at least a portion of the at least one female load-sharing surface to distribute the bending load between the male member and the female member.

This invention discloses a spinal fixation device with a rotatable connector. The spinal fixation device for securing two stabilizing rods to bone has a threaded shaft, a first rod connector, and a second rod connector. The first rod connector is connected to the threaded shaft. The first rod connector has a cavity open toward its top. In its neutral position, the first rod connector extends symmetrically about the longitudinal axis of the threaded shaft. The second rod connector is rotatably connected to the first rod connector about a rotation axis. When the first rod connector is in its neutral position, this rotation axis is at an angle not perpendicular to the longitudinal axis of the threaded shaft. This allows the two rods to be manipulated independently through different axial planes at any single bone fixation point.

The present application relates to the technical field of medical metal materials, in particular to a gradient porous magnesium alloy, a preparation method and application thereof, the gradient porous magnesium alloy comprises the following components by weight percentage: 0.2-0.5wt.% of Ag, 0.6-2.4wt.% of Y, 0.6-1.2wt.% of Zn, 7.0-10.6wt.% of Gd, and the balance of Mg and inevitable impurity elements; wherein the gradient porous magnesium alloy is formed by additive manufacturing, and has element gradient, microstructure gradient and pore structure gradient distributed along a preset direction in the inside. It can realize spatial controllable adjustment of corrosion behavior of medical magnesium alloy in a body fluid environment, and meet the comprehensive performance requirements of bone nail, bone plate and other bone fixation implants in mechanical support at the initial implantation stage and gradual degradation at the later stage.