181 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.

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 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.

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 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.

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.

Systems for treating bone fractures are disclosed. Exemplary systems may include a backpack and one or more bone plates for engaging bone members. The backpack may be configured to be temporarily attached to the bone plate in order to provide trajectories for fasteners received by the bone plate. The bone plates can receive one or more screws to secure the bone plates to an underlying bone member. The one or more screws can be inserted into bone plate holes that can be considered locking or non-locking. The bone plates described herein can have particular combinations of locking and / or non-locking holes. Additional bone plate holes can be used to accept sutures, K-wire, or other instrumentation.

The invention discloses a kirschner wire sleeve device for muscle layer expansion, which relates to the technical field of orthopedic surgery and comprises a kirschner wire, an expansion sleeve, a protective layer and a traction rod. The expansion sleeve is composed of a support and an expansion layer, a guide ring is arranged in the middle of the support, symmetrical connecting frames are arranged on the outer side of the guide ring, the expansion layer is sleeved outside the guide ring, and one end close to a skeleton is of an involute pipeline structure. After the Kirschner wire fixes the bone, the guide ring slides towards the bone along the Kirschner wire, the involute pipeline structure of the expansion layer enters the space between the Kirschner wire and the muscle layer, and the muscle layer is pushed away outwards to form an operation space. The protective layer can reduce direct friction between the muscle layer and the expansion layer, and the lubricant arranged in the protective layer can assist operation; the traction rod can stably control the expansion layer to be opened. The device is made of a biocompatible material and is provided with a buffer structure, the operation space can be flexibly adjusted, the operation safety, adaptability and efficiency are effectively improved, and the use pain point of a traditional kirschner wire sleeve device is solved.

This invention discloses a piezoelectric sensing adaptive internal pressure fixation bone plate system for treating tibial plateau fractures, belonging to the field of orthopedic implantable medical devices. It includes a bone plate, pressure bolts, and an external control module. The bone plate is available in three specifications according to the Schatzker classification: lateral L-type, medial T-type, and bilateral composite type, with transverse internal pressure holes. The pressure bolts embed a PZT-5H piezoelectric sensing device and have an overload-resistant groove between the head and neck, enabling real-time acquisition of the compressive stress at the bolt-bone interface. The external control module transmits signals wirelessly via Bluetooth 5.0 and uses a PID algorithm to non-contactly drive the bolts via magnetic field coupling to adaptively adjust the compressive stress to 30–50 MPa. The system has two levels of safety protection: 55 MPa coil power-off protection and 80 MPa groove breakage protection. This system eliminates the need for secondary surgery, dynamically maintains optimal stress throughout the fracture healing cycle, with a healing time ≤12.5 weeks, a complication rate ≤4%, and an excellent / good knee HSS score rate ≥88%. It is suitable for Schatzker type I-VI tibial plateau fractures.

1. Name of the product in this design: Bone Plate (Y-type). 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: a 3D model.

The present invention provides a single-rod bone distraction device. The bone distraction device includes a main body structure of the bone distraction device, a rod needle clamp, and bone needles. The main body structure of the bone distraction device includes a base rod and a sleeve. The base rod includes an adjustment section in the middle and first and second fixed sections at both ends. The sleeve is slidably sleeved on the adjustment section. The adjustment section is provided with an axially extending guide groove. A guide key that is slidably and cooperatively engaged with the guide groove is detachably installed on the sleeve. The outer surface of the adjustment section is provided with an external thread. The two ends of the sleeve are respectively provided with first and second nuts that are threadedly engaged with the external thread through internal threads. By screwing the first and second nuts, the sleeve is driven to move axially. The rod needle clamp and the bone needles are installed on the first and second fixed sections to fix the two ends of the bone to be distracted. The rod needle clamp and the bone needles are installed on the sleeve. It has the advantages of simple structure, easy bone fixation, low cost, convenient and fast operation, and can be used in combination with a ring external fixator and a combined external fixator.

A guide device is provided for fixation of a fractured phalange. The guide device includes a proximal part, which is shaped so as to define therethrough an aperture, and which includes a first cushion within the aperture, which is configured to hold the fractured phalange in place. A distal part is shaped so as to define an opening at a proximal end of the distal part and a tubular section. The distal part includes a second cushion within the tubular section, configured to hold a portion of the fractured phalange in place. A pin guide is connected to and extends distally from the distal part, and is shaped so as to define an elongate guide passage therethrough that is configured to align the k-wire with the portion of the fractured phalange during insertion of a k-wire into the portion of the fractured phalange. Other embodiments are also described.