219 results about "Fixation bone" patented technology

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.

A surgical drill bit for bone drilling and for determining a characteristic of a drilling medium from a characteristic of fluid flow. The surgical drill bit includes a shank portion for coupling to a drill chuck. The shank portion defines a proximal opening. The surgical drill bit also includes a drilling portion for drilling through bone. A distal cutting region (62) of the drilling portion includes a rake surface (66), a clearance surface (68), and a flank surface (70). The flank surface (70) defines a distal opening (72) and is configured to abut the bone such that the distal opening is occluded by the bone while the rake surface is cutting into the bone. The shank and drilling portions collectively define an inner channel in fluid communication with the proximal and distal openings. The distal opening is occluded by the bone during drilling to establish fluid pressure within the inner channel.

Bone anchor assemblies and related methods are disclosed herein that can provide for improved fixation of a primary bone anchor. A bone anchor assembly can include a base rotatably received within a rod-receiving member. The base can have a toroid body with a radially-extending portion including at least one auxiliary bone anchor opening that can receive an auxiliary bone anchor to augment fixation of a primary bone anchor of the bone anchor assembly. The base can be rotated relative to the rod-receiving member and the primary bone anchor such that the at least one auxiliary bone anchor opening can be placed in a desired position for supplemental fixation.

Orthopedic fixation devices, assemblies, instruments, and methods relating to the same. The orthopedic fixation device may include a tulip head with one or more internal components configured to secure a bone fastener, such as a saddle, retaining clip, and friction ring. A spinal rod may be secured in the tulip head, for example, with a locking cap, thereby securing the bone fastener. One or more instruments, such as screwdrivers and correction instruments may be used for reduction, derotation, compression and / or distraction.

The invention relates to the technical field of medical instruments, in particular to an adjustable bone-to-bone fixing device with a main nail and an implanting mechanism device.The adjustable bone-to-bone fixing device comprises the main nail, a fixing coil, a first auxiliary nail and a second auxiliary nail. Early load-bearing exercise of ankle joints of a patient is facilitated, ankle joint degeneration and traumatic arthritis are reduced, and the risk of fracture of an implant is greatly reduced; compared with elastic fixation, two fixing points are taken on the tibia, one fixing point is taken on the fibula, all the fixing points are connected through sutures, and the length of the sutures is adjustable, so that the tibia can bind the fibula in a surrounding mode through the sutures, compared with a single-strand suture transverse fixation mode, the fixation mode is closer to a native ligament, and fixation is more stable and reliable; and moreover, the micro-motion function between the tibia and the fibula is reserved while the bone removal amount is less.

The invention provides an extramedullary 3D printing composite intramedullary fixing bone end broach system, and relates to the technical field of medical instruments. Comprising a bone prosthesis and a fixing system, and the fixing system comprises a broach which is arranged at one end of the bone prosthesis and is fixed in a medullary cavity through bone cement; the fixing piece is arranged at the end, close to the broach, of the bone prosthesis and makes contact with the host bone, and the contact face is a 3D printing interface; the preset part is used for replacing the fixing part to make contact with the host bone in the prosthesis mounting operation. According to the fixing system, the broach, the fixing part and the preset part are used in cooperation, bone cement in a medullary cavity is fixed through the broach, and 3D interface fixing is adopted through the fixing part, so that the bone prosthesis has good bone conductivity and mechanical stability in a long term and a short term; and the influence on bone ingrowth caused by the fact that bone cement falls into a 3D contact interface of the fixing piece in a prosthesis installation operation is avoided.

The invention belongs to the technical field of orthopaedic orthopaedics, and particularly discloses a reduction and fixation orthopaedic orthopaedic device for orthopaedics, the upper side and the lower side of a positioning part are slidably connected with sliding rods, the side, close to the sliding rods, of the positioning part is fixedly connected with an adjusting part, and the positioning part comprises two positioning frames. According to the reduction and fixation orthopedic equipment for the orthopedics department, the positioning component is arranged, and a cooling mechanism is arranged in the middle of the inner side of the positioning frame, so that ice compress detumescence can be directly carried out on a bruise position, local swelling and pain caused by fracture or correction operation of a patient are relieved in time, local blood circulation is promoted, and favorable conditions are created for bone healing; when the positioning frame is worn for a long time, the contact mechanism can massage and relieve the corresponding part of the patient, muscle stiffness and discomfort caused by long-time fixation are relieved, the wearing comfort of the patient is improved, and the patient can better cooperate with treatment.

An adjustable implant system configured to non-invasively guide bone growth in a patient. The adjustable implant system includes a tether having a first end coupled to a fixed bone anchor and a second end coupled to an adjustable bone anchor. The adjustable bone anchor includes a driver disposed within a housing and the driver is configured to actuate in response to an externally applied magnetic field. The adjustable implant system includes an external adjustment device configured to non-invasively actuate the driver disposed within the adjustable bone anchor. Non-invasive actuation of the driver can cause the adjustable bone anchor to increase or decrease the amount of tension on the tether.

A method for facilitating stabilization of a sacroiliac joint is provided. The method includes surgical and stabilization techniques for implanting bone anchors or fasteners such as a first bone screw, a second bone screw, and third bone screw in a pelvis traversing portions of a coxal bone and a sacrum, and extending through or adjacent at least a portion of a corresponding sacroiliac joint. The bone anchors or fasteners such as the first bone screw, the second bone screw, and the third bone screw can be inserted at different angles and locations to form a lattice structure that serves in securing the position of a coxal bone and a sacrum relative to one another to facilitate stabilization across a corresponding sacroiliac joint.

A plate for fixating bone, the plate comprising: a plurality of ribs defining a plurality of openings, wherein a first portion of the plurality of ribs define a lattice structure and a second portion of the plurality of ribs define at least four mounting holes. Another aspect of the present disclosure relates to a method for tailoring a plate for fixating bone. The method can include determining an initial design of the plate. The method can include analyzing radiation through the initial design. The method can include determining, based on analyzed radiation, if dosimetric characteristics are desirable. The method can include analyzing structural strength of the initial design. The method can include determining, based on the analyzed structural strength, if structural strength is sufficient.

The invention belongs to the technical field of medical apparatus and instruments, and discloses an orthopaedic reduction and fixation orthopedic orthosis which comprises a base, a first rectangular groove is formed in the outer surface of the base, sliding mechanisms are slidably mounted on the two sides of the inner side of the first rectangular groove, and supporting rods are fixedly mounted at the tops of the sliding mechanisms; the inner side of the supporting rod is fixedly provided with a reset shape righting plate. Compared with a traditional device, after a leg needing to be corrected is put into a patient, all parts can be driven to move and contract towards the inner side cooperatively by rotating a rotating block, positioning and clamping of the leg are achieved, a clamping plate tightly abuts against the leg and is firmly fixed in the leg guard, meanwhile, a first lead screw and a moving block are in threaded connection and can be reversely locked, the device is prevented from loosening, and the device is convenient to use. The fixing plate is prevented from being loosened accidentally to affect normal use, the applicability is improved, the fixing plate can better adapt to leg conditions of different patients, stable support is provided for the legs, and recovery of fractured or orthopedic parts is assisted.

An apparatus is provided for fusing bones of the human body. The apparatus comprises a bone plate which generally is a member having one or more fixation apertures, configured to receive fasteners, and an insert aperture. The bone plate comprises a semi-rigid material, such as a biocompatible metal or Polyetheretherketone (PEEK), possessing a tensile strength suitable for immobilizing bones. A convertible insert is configured to be retained within the insert aperture. The convertible insert is configured to optimally direct a fastener towards a chosen point of purchase for fixating or compressing bones. In some embodiments, the insert is configured to direct a fastener at an oblique angle relative to a plane of the fusion plate. In some embodiments, the insert is configured to direct a fastener at a substantially right angle relative to the fusion plate.

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.

Orthopedic implants for fixation of bone fractures to provide increase purchase of the orthopedic implant within specific regions of the repaired bone. Orthopedic accessory tools such as drill bits and multi-functional orthopedic sizing tools. Kits containing such orthopedic devices and methods for the use of such orthopedic implants, drill bits, and orthopedic tools.

A fixing device for fixing a bone (5) or a bone replacement part or a bone stabilization part comprises at least two stabilization plates (1) and at least one force transmission element (2). The force transmission element (2) is designed to transmit a force from one stabilizing plate (1) to at least one other stabilizing plate (1). The stabilizing plates (1) are connected or can be connected to each other by means of at least one force transmission element (2) in such a manner that the stabilizing plates (1) can be connected to each other. That is, the force transmission element (2) is mounted or mountable to or integrally formed with one stabilizing plate (1) by means of a first part (21) and is mounted or mountable to or integrally formed with the other stabilizing plate (1) by means of a second part (21).

A device may be configured to convert an angle to a distance to assist with securing a bone fixation plate during a surgical procedure. The device may include a body. The body may include (e.g., define) an elongated first portion and / or a second portion. The elongated first portion may include at least one aperture. The at least one aperture may be configured to receive a wire and / or a screw. The second portion may include angular indicia. The device may include an arm. The arm may be rotatably coupled, for example to the body. Additionally, or alternatively, the arm may be rotatably coupled at a rotation point.

A fixation system for immobilizing a skeletal structure is provided. It includes an internal fixation system having a rod-plate subsystem, a shaft subsystem, and a midfoot plate subsystem. It further includes an external fixation system adapted to connect to the internal fixation system and having a sole that provides a weight-bearing platform underneath a patient's foot to enable a patient to walk with the fixation system.

A bone clamp (1, 200, 300) for use in fixation of a fractured bone, or prevention of fracture of a bone, the clamp (1, comprising a pair of handles (2a, 2b) joined together at a pivot point (5), the handles (2a, 2b) each having an arcuate jaw (4a 4b), the arcuate jaws (4a, 4b) comprising a first end (7a, 7b) having an opening at a proximal end (12a, 12b) of the jaw (4a, 4b) in communication with a second end (8a, 8b) having an opening at a distal end (14a, 14b) of the jaw (4a, 4b), the first end (7a, 7b) and second end (8a, 8b) in communication via a channel (6a, 6b), in which the channel (6a, 6b) is configured to accommodate a cable, a wire, a suture, a band or other suitable flexible material, and wherein the channel (6a, 6b) is an open channel.

The invention discloses a reduction and fixation orthopedic correction device for the orthopedics department, and particularly relates to the field of correction devices. Comprising two shells which are oppositely arranged; the two limiting frames are arranged on the outer walls of the same sides of the two shells correspondingly; the first limiting teeth are arranged in the limiting frame; the limiting rod is arranged in the other limiting frame, and the second limiting teeth are clamped with the first limiting teeth; the plurality of clamping pieces are rotationally connected to the two shells respectively; the angle adjusting assembly is arranged in the two shells, and the angle adjusting assembly can adjust the rotating angle of the clamping piece according to the limb shape of the patient. By the adoption of the technical scheme, the problems that an existing clamping plate type fixing device is high in technical requirement for operators and inconvenient to adjust are solved, the wearing efficiency of the correction device is improved, and the labor intensity of medical staff is reduced.

The utility model discloses a novel orthopaedic orthopedic device for reduction and fixation, which relates to the technical field of orthopaedic orthopedic devices and comprises an upper fixing ring and an adjusting arm ring movably connected with the upper fixing ring, side seats are symmetrically arranged on the side surfaces of the upper fixing ring and the adjusting arm ring, an adjusting rod is clamped between the two side seats, and the adjusting rod is movably connected with the upper fixing ring. By means of the movable connection design of the upper fixing ring and the adjusting arm ring and the threaded connection mode of the side face seat and the X insertion frame through the limiting threaded rod, the orthopedic device for the orthopedics department achieves height adjustability, a doctor can adjust the position of the orthopedic device according to the specific fracture condition and orthopedic requirements of a patient, and the orthopedic device for the orthopedics department is convenient to use. The angle, the position and the fastening degree of the device are flexibly adjusted, meanwhile, due to the design of the limiting threaded rod, the stability of the device in the using process is guaranteed, looseness or displacement caused by movement or external force of a patient is effectively prevented, and therefore the orthopedic effect and the success rate of treatment are greatly improved.

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.

An orthopedic implant system adapted to fixate bone includes a bridge with first and second bores therethrough and first and second elastic members extending from the bridge respectively into the first bore and the second bore. During insertion respectively of anchoring devices through the first and second bores and into the bone, the anchoring devices respectively contact the first and second elastic members and depress the first and second elastic members respectively into the first and second bores such that the first and second elastic members deform to store energy therein while transitioning from a natural shape to a fixation shape. After insertion of the anchoring devices, the first and second elastic members, in attempted transitions from the fixation shape to the natural shape, respectively deliver the energy stored therein to the anchoring devices such that the anchoring devices urge the bone into a fixation position.

A bone fracture fixation device 10 for setting a fractured bone, the device comprising at least two sleeve portions, wherein a first sleeve portion 12 having measures to surround above 180 degrees of the bone, and the one or more additional sleeve portions 14 complement the first sleeve portion to thereby fully or essentially fully surround the fractured bone.

The present application belongs to the technical field of medical devices, and particularly relates to a TPLO animal special bone plate, which comprises a handle body extending vertically as a whole for connecting a tibia stem, the top end of the handle body is suspended to form an arm body extending transversely as a whole for connecting a bone cut, the plate body of the handle body and the arm body is respectively provided with a protruding unit, when the protruding unit is positioned against the tibia, the plate body of the handle body and the arm body is arranged in the gap between the tibia. The arm body extending transversely as a whole can reliably support the middle and lower part of the bone cut, while reducing the surface area of the bone plate head covering the bone cut, and can also ensure the effective fixation of the bone plate to the bone cut. The protruding unit arranged on the inner side of the bone plate and the tibia form a point contact, which can ensure the reliable positioning of the bone plate and the tibia, and also keep a gap between the bone plate and the tibia for blood delivery and circulation, which is beneficial to the blood circulation of the bone block covered by the bone plate.

The present disclosure relates to an external fixator for orthopedic use, in particular for the treatment of calcaneus fractures, comprising: a rigid support for a first clamp for fixing bone screws; a second support for a second clamp that is hinged at an end of the rigid support; a third support for a third clamp that is hinged at an end of the rigid support; the rigid support being configured as a guide with the first clamp slidingly mounted thereon. The fixator according to the invention is made of radiolucent material with joint elements comprising partially radiolucent or radiopaque materials and configured to allow orienting the bone screws held by the clamps in directions that are tilted to each other.

The utility model provides a bone transport device, relates to the technical field of medical instruments, and is used for solving the problems that the cut-off position in a bone segment is healed too early, the traction process is hindered, and the bone transport effect is influenced. The bone transport device comprises a first bone fixing part, two second bone fixing parts, a fixing support and a first drug delivery assembly; the first bone fixing piece and the two second bone fixing pieces are arranged at intervals and connected with the fixing support. The first bone fixing piece is configured to be connected with a cut bone section, and the second bone fixing piece is configured to be connected with a fixed bone section adjacent to the cut bone section; the first bone fixing piece is configured to drive the cut-off bone section to ascend and descend relative to the fixed bone section in the first direction; the first drug delivery assembly is configured to inject drugs into the cut-off positions at the two ends of the cut-off bone section. According to the bone transport device provided by the invention, the premature healing of the cut-off position in the bone segment can be inhibited, and the bone transport effect is improved.

The invention is a construct consisting of a fully-threaded screw with an attached locking bolt that secures the posterior pelvis in a transiliac transsacral fashion, in the setting of an unstable posterior pelvic ring fracture. One part of the implant is a cannulated screw that has two pitches of different threads, which is placed over a guidewire and secured on the opposite side with a cannulated locking bolt that affixes to the screw. Washers on either side of the implant provide compression, and cancellous threads across the length provide fixation within the sacrum and the iliac bones on either side. This invention provides added strength and stability compared to current fixation methods consisting of screws in isolation.

The application discloses a guiding locking device and a fracture fixation system thereof, and relates to the technical field of medical devices. The guiding locking device comprises a guiding locking pipe and a locking piece, at least one strip-shaped slot is arranged on the pipe wall of the guiding locking pipe and communicates with the pipe cavity of the guiding locking pipe, the strip-shaped slot penetrates through the locking end, and the locking piece can drive the pipe wall of the locking end to contract. The fracture fixation system comprises a bone plate, a bone needle and the guiding locking device, a fixing through hole is arranged on the bone plate, the connecting end of the guiding locking pipe is fixedly connected with the fixing through hole, the guiding locking pipe is arranged perpendicularly to the bone plate, the bone needle is arranged in the pipe cavity of the guiding locking pipe, and the locking piece can drive the pipe wall of the locking end to contract and clamp the bone needle. The application reduces the risk of fracture displacement when the bone needle is used to fix the fracture; avoids the influence of the bone needle on the placement of the bone plate; shortens the length of the bone needle entering the medullary cavity, so that the application scene of the temporary fracture fixation technology of the bone needle is not limited in the treatment of the fracture by the intramedullary nail; and the stability is better than that of the multiple bone needles used to fix the fracture.

A method of securing bones for fusion includes positioning an implant guide sleeve on a first bone, a second bone, and across a separation between the first bone and the second bone, the method further includes using the implant guide sleeve to guide creation of a first implant hole in the first bone and to guide creation of a second implant hole in the second bone, aligning an inserter operably connected to the implant with the implant guide sleeve, and advancing the inserter relative to the implant guide sleeve to position the implant in contact with the first bone and the second bone, wherein the implant bridges the first bone and the second bone.

1. Name of the product in this design: Straight Bone Plate. 2. Purpose of this design: This design is used for fixing bone plates at fracture sites. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.