102 results about "Bone tibia" patented technology

The invention relates to an application of plant lactobacillus Hi188 in promotion of bone health. The invention provides the application of the plant lactobacillus Hi188 or the afterbiogen thereof or the composition thereof in increasing the bone mineral density, increasing the bone mineral density, promoting the skeletal development, increasing the bone mineral content and / or promoting the tibia growth. Or preparing food for increasing bone mineral density, increasing bone mineral density, promoting skeletal development, increasing bone mineral content and / or promoting tibia growth; wherein the composition comprises: (A) Phytobacterium plantarum Hi188 or a postbiotic thereof, and (B) Bifidobacterium lactis Ca360 or a postbiotic thereof.

The utility model relates to medical equipment technical field, concretely relates to a kind of distal end front lateral tibia locking steel plate, including distal end steel plate section, connecting portion and proximal end steel plate section being sequentially connected, the connecting portion is from the distal end steel plate section to the proximal end steel plate section setting, uses, the locking position of extension locking steel plate can be adjusted by extension locking component, i.

Bone plates are disclosed for veterinary uses. For example, the bone plates could be utilized for repairing medial patellar luxation in animals, such as canines, felines, or equines, for example. The bone plates may include various features for better accommodating the anatomy and native tissue structure of the proximal tibia of the animal.

The invention discloses a bionic type tibia intramedullary nail and a matched instrument thereof, and relates to the technical field of medical instruments, and the bionic type tibia intramedullary nail comprises an intramedullary nail body; the intramedullary nail body comprises an intramedullary nail near end, an intramedullary nail middle section and an intramedullary nail far end, the intramedullary nail middle section is inserted into the intramedullary nail near end in a threaded mode, and the intramedullary nail far end is inserted into the intramedullary nail middle section in a threaded mode; according to the intramedullary nail, through the sectional type thread inserting design of the intramedullary nail near end, the intramedullary nail middle section and the intramedullary nail far end and the matching of the variable pitch gradient structures of the near end thread, the middle section thread and the far end thread, precise adaptation of the intramedullary nail and the anatomical form of the tibia marrow cavity is achieved, and a gradient mechanical buffering system is formed by the near end thread, the middle section thread and the far end thread; the problem of stress shielding caused by the fact that rigidity of a traditional intramedullary nail is not matched with a skeleton is effectively solved, meanwhile, the variable-pitch threads and the thread depth gradual change design are adopted, damage to an endosteum during nail placement is reduced, uniform stress conduction is achieved, local stress concentration is avoided, and the risks of osteoporosis, delayed fracture healing and secondary fracture are reduced.

The lower tibia fusion plate structurally comprises an upper plate part, a fusion plate body, a groove, an accessory assembly, a debugging structure and an auxiliary handle, the upper plate part is connected to the end of the fusion plate body in a sleeving mode, the debugging structure is installed in the middle of the fusion plate body through the groove, and the accessory assembly and the auxiliary handle are arranged on the outer side of the fusion plate body; by means of the accessory assembly and the debugging structure arranged in the middle and outside the fusion plate body, when the fusion plate body, the upper plate piece and the auxiliary handle are connected with the tibia through bone nails, the debugging structure in the groove in the middle of the fusion plate body can increase the fixing strength of the middle of the fusion plate body and the tibia in an abutting mode; in the tibia recovery period, the fixing strength of the auxiliary handle and the tibia can be adaptively adjusted on the outer side of the fusion plate body in an inclined mode by means of the accessory assembly, the overall strength of the fusion plate is better improved, the body weight of the human body can be supported, and the healing recovery process of the tibia can be accelerated.

Provided are a distal medial tibial hemi-epiphysiodesis blocking staple and supporting tools. The distal medial tibial hemi-epiphysiodesis blocking staple includes a tibia arm, an epiphyseal arm and a connecting section. The connecting section is connected with the tibial arm and the epiphyseal arm to form a similar U-shape. The tibial arm and the epiphyseal arm are arranged in parallel and in arc transition with the connecting section to limit a spacing between the distal tibia and the epiphysis. Inverted tooth portions for preventing the hemi-epiphysiodesis distal medial tibial staple from withdrawing are uniformly distributed on the tibial arm and the epiphyseal arm.

The application discloses a data processing method and device, a storage medium and an electronic device. It relates to the technical field of medical treatment. The method comprises the following steps: a tibia three-dimensional model is constructed, and a plurality of target steel nail three-dimensional models are obtained; a plurality of second medical images are obtained, and a plurality of target steel nail first two-dimensional pixel point sets and a tibia second two-dimensional pixel point set are obtained according to the plurality of second medical images; target space conversion parameters of the plurality of target steel nails in the tibia coordinates are obtained by calculation according to the target steel nail first two-dimensional pixel point sets, the tibia second two-dimensional pixel point set, the tibia three-dimensional model and the steel nail three-dimensional models; a guide plate model is obtained according to the target space conversion parameters, and a target space posture of a tibia osteotomy plane is obtained according to the guide plate model. Through the application, the technical problem that the space posture of the tibia osteotomy plane is relatively low in accuracy because the space posture of the tibia osteotomy plane is determined by relying on artificial experience is solved.

The invention discloses an application of a humanized DKK-1 monoclonal antibody in preparation of a medicine for treating osteoporosis. A light chain and a heavy chain of the humanized DKK-1 monoclonal antibody are shown as SEQ ID NO.1-2. The invention further discloses a preparation method of the humanized DKK-1 monoclonal antibody. Animal experiments prove that the humanized DKK-1 monoclonal antibody can remarkably improve the bone mineral density of lumbar vertebrae and tibia of an osteoporosis model mouse and can promote bone growth, and a new treatment scheme is provided for treating osteoporosis.

A surgical kit for performing a tibial tubercle osteotomy (TTO) is provided. The surgical kit comprises a primary surgical module configured to be secured to a patient's tibia and a bone-fastener predrilling module. The primary surgical module has a bone-contacting surface configured to be superposable against the patient's tibia and conforming thereto in a single predetermined position and orientation and an operative side. The primary surgical module includes an anchor portion securable to the patient's tibia, a primary cutting portion defining a coronal cutting plane, and a proximal cutting portion defining a proximal cutting plane. The coronal and the proximal cutting planes are configured to guide a surgical cutting tool to create a resection in the patient's tibia and to at least partially delimit a tibial tubercle fragment.

There is provided a method to perform bone resection using a planer. Under guidance of a surgical navigation system, and, optionally, under command of a robotic system, a trackable surgical instrument is guided to a target pose on a target bone. The bone may be a femur or tibia in a TKA. The trackable instrument comprises a drill or a pin guide for mounting a pair of pins, preferably graduated pins to select a resection depth. A pin end is inserted into the planer and the planer operated to resect until the pin end bottoms out. A robot may command movement of the trackable instrument to the target pose. The target pose may be received or determined from surgical pre-planning or intra-operative activities such as tracked measurements, user input, etc. The navigation system presents information such as measurements and / or image overlays to guide the placement.

A method is provided for performing a quadruped unicompartmental stifle arthroplasty. The method includes cutting a plateau of a tibia to form first cut surfaces. The method also includes cutting a medial condyle of a femur to form second cut surfaces. The method also includes aligning openings in a first trial device with the first cut surfaces and forming first holes in the first cut surfaces by passing a drill through the openings in the first trial device. The method also includes aligning openings in a second trial device with the second cut surfaces and forming second holes in the second cut surfaces by passing a drill through the openings in the second trial device. The method also includes mounting a first implant device to the first cut surfaces and mounting a second implant device to the second cut surfaces. A system is also provided for performing the method.

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.

A cartridge may be secured to or near a bone of a patient, e.g., a tibia, optionally via a securing structure such as a threaded screw. In one aspect, a cartridge includes an electronics assembly, a housing enclosing the electronics assembly, and a cartridge coupling feature configured to couple to the securing structure. The electronics assembly includes at least one sensor and a controller having a joint-specific modules. A joint-specific module is configured to collect kinematic data resulting from movement of a specific joint sensed by the at least one sensor. In another aspect, a cartridge includes an electronics assembly comprising at least one sensor and a housing enclosing the electronics assembly. The cartridge has a form factor that is configured to be at least partially inserted into a receptacle in a bone of a patient.

A surgical guide includes a body having four sides. The body comprises a first base at the first side, a second base at the second side and an elongated extension between the first and second base. The first base defines at least one first hole and the second base defines at least a second hole. The body is sized and configured to be installed above a joint line of a calcaneus and a talus bone and approximately mid-way along a longitudinal axis of a tibia. The first base is configured to receive at least one dowel of a second surgical guide in the at least one first hole and the second base is configured to receive at least one pin sleeve and pin in the second hole. Systems and methods are also disclosed.

The invention relates to the technical field of medical instruments, in particular to an improved tibia plateau steel plate navigation positioning support which comprises a tibia steel plate, a plurality of nail planting holes and a plurality of positioning holes. The positioning mechanism comprises an L-shaped plate, the L-shaped plate is connected with the tibia steel plate through an adjusting mechanism, the side wall, away from the tibia steel plate, of the L-shaped plate is fixedly connected with a positioning plate, the side wall of the positioning plate is fixedly connected with a plurality of navigation cylinders in a penetrating mode, and the side walls, away from the tibia steel plate, of the plurality of navigation cylinders are fixedly sleeved with hexagonal plates; and a stabilizing mechanism for stabilizing the position of the positioning plate is arranged on the positioning plate. After the tibia steel plate is preliminarily connected with the side face of the tibia, the positioning mechanism is installed on the tibia steel plate at the moment, the multiple navigation cylinders right face the front face of the tibia, then medical staff can implant bone nails into the tibia from front to back through the multiple navigation cylinders, and the bone nails and bone nails implanted into the tibia from left to right form a # shape; and the bone fracture at the tibia is fixed more firmly.

The invention discloses an expanding and fixing device and method for tibia osteotomy. A distraction and fixation device for tibia osteotomy comprises a distraction assembly, and the distraction assembly comprises a left distraction device and a right distraction device which are detachably arranged left and right; the left spreader comprises a left overturning plate and a left fixing plate, and the front end of the left overturning plate is hinged to the front end of the left fixing plate; the right spreader further comprises a right turnover plate and a right fixing plate, and the front end of the right turnover plate is hinged to the front end of the right fixing plate. An upper notch is formed in the adjacent side of the left turnover plate and the right turnover plate, a rear end opening of the upper notch is used for switching a sliding-in opening for sliding in the moving plate and the supporting wedge, and the left turnover plate and the right turnover plate are linked through the moving plate; and the angle adjusting assembly is used for controlling the distraction angles of the left distraction device and the right distraction device. The distraction angle can be controlled, and control over the distraction angle is guaranteed by controlling the rotation angle of the driving rotary knob.

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.

Disclosed herein are systems and methods for planning a knee arthroplasty procedure. In one example, a surgical method includes intraoperative measurement of patient anatomical information of the knee and / or movement of the knee of a patient resulting from electrical stimulation of nerves or muscles to cause articulation of the knee. An electrical stimulation system may be attached to a patient to cause contraction / relaxing of muscles operative to cause articulation of the knee. Tracking elements may be associated with relevant knee anatomical structures, such as the proximal tibia, the distal femur, and / or the patella to track the movement of the knee components resulting from the electrical stimulation. Implant components may be selected, positioned, and / or orientated using the tracking information resulting from the electrical stimulation, thereby allowing for determination of a surgical plan based on intraoperative muscle-activated knee articulation, configured to emulate natural patient anatomy and kinematics.

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.

The invention discloses a data processing method and device, a storage medium and electronic equipment. The method comprises the following steps: constructing a tibia three-dimensional model, and obtaining a steel nail three-dimensional model of a plurality of target steel nails; obtaining a plurality of orthogonal second medical images, and obtaining a first two-dimensional pixel point set of the plurality of target steel nails and a second two-dimensional pixel point set of the tibia according to the plurality of second medical images; calculating according to the first two-dimensional pixel point set, the second two-dimensional pixel point set, the tibia three-dimensional model and the steel nail three-dimensional model to obtain target space conversion parameters of the multiple target steel nails under the tibia coordinates; and obtaining a guide plate model according to the target space conversion parameters, and obtaining a target space attitude of the tibia osteotomy plane according to the guide plate model. By means of the method and device, the technical problem that the accuracy of the space posture of the tibia osteotomy plane is low due to the fact that the space posture of the tibia osteotomy plane is determined through related technologies depending on artificial experience is solved.

The invention relates to an alignment device (1) for a tibial resection guide, comprising: a clamping device (2) which has at least two clamping elements (4, 4a) acting against one another for clamping the distal end of a tibia (3) of a patient; a contact device (6) for contacting the proximal end of the tibia (3), which device comprises a tool guiding device (8) for guiding a tool during the resection of the tibia (3); and a telescopic device (10) which is separably connected to the contact device (6) and adjustably connected to the clamping device (2) and is designed to align the devices (2, 6) with respect to the tibia (3), the telescopic device (10) also having, in its proximal region (52), a decoupling device (12) which is designed to separate the contact device (6) from the telescopic device (10) when activated; and the clamping elements (4) of the clamping device (2) are designed such that the telescopic device (10) can be removed from the tibia (3) with one hand after the decoupling device (12) is activated.

The utility model discloses a metal 3D printing porous bone induction structure tibial prosthesis, which comprises a diaphysis prosthesis, a bone fracture plate and an intramedullary nail, the diaphysis prosthesis is designed according to the anatomical form of the focus part of a patient, the diaphysis prosthesis comprises a solid framework and a porous structure, and a cavity is arranged in the diaphysis prosthesis; the at least two bone fracture plates are connected to the two ends of the diaphysis prosthesis in the tibia direction respectively, and the at least two bone fracture plates are connected with the tibia near end and the tibia far end through screws respectively. The tibia near end comprises a first medullary cavity, the tibia far end comprises a second medullary cavity, the intramedullary nail penetrates through the first medullary cavity, the cavity and the second medullary cavity, and the two ends of the intramedullary nail are connected with the tibia near end and the tibia far end through screws respectively. The utility model can solve the problems of incapability of realizing rapid healing, poor initial stability and poor long-term stability in the existing bone defect reconstruction.

Technologies for non-visual monitoring of an orthopaedic surgical procedure includes determining a difference between a measured or sensed value of an aspect of the orthopaedic surgical procedure and a target value of the aspect of the orthopaedic surgical procedure. A non-visual indicator is activated to produce a non-visual indication having a characteristic that is dependent on a magnitude of the difference between the measured or sensed value and the target value. In some embodiments, the aspect of the orthopaedic surgical procedure may include as a force established between a patient's tibia and femur. In other embodiments, the aspect the orthopaedic surgical procedure may include a location of a femoral broach relative to the patient's boney anatomy.

A system for ligament balancing including a range-of-motion (ROM) tensor. The ROM tensor of the system includes a main body, first and second arms, a pin guide and a pin. The main body has an elongate guide. The first and second arms are rigidly attached to and extends laterally from the main body and configured to be placed over an uncut tibia and below an uncut femur. The pin guide is slidably coupled to the elongate guide and has a through-hole for receiving the pin. The ROM tensor is designed to pivot about the pin while the tibia moves through its range of motion while the femur preferably remains stationary. A navigation system monitors the position of the tibia and femur as the tibia moves and the gap information derived from the position monitoring is displayed on a display device.

To provide knee arthroplasty trials, systems, and related methods.SOLUTION: A knee arthroplasty trial system may include an expandable tibial tray trial having top and bottom plates, an actuation screw retained in the bottom plate, and an expansion ramp configured to slide along the bottom plate and lift the top plate as the ramp translates forward. The actuation screw may define a helical cut with step portions, and the expansion ramp may include a pin configured to engage the helical cut of the actuation screw. When the actuation screw is rotated, the pin rides along the helical cut and is configured to rest within one of the step portions, thereby ensuring that the expandable tibial tray trial expands only to discrete thicknesses.SELECTED DRAWING: Figure 1

The present disclosure relates to a kind of relative slip determination of patella and tibia, dynamic evaluation method, system and X-ray camera, relate to the technical field of knee X-ray image processing, wherein the relative slip determination method of patella and tibia includes: determining the lowest point of patella lower edge and patellar tendon tibial insertion last edge point in the knee X-ray image to be processed;The distance between the lowest point of the patella lower edge and the patellar tendon tibial insertion last edge point is calculated, to determine the relative slip of patella and tibia in the knee X-ray image to be processed.The embodiment of the present disclosure can realize the relative slip determination and dynamic evaluation of patella and tibia.

The tibia osteotomy positioning assembly comprises a base, a mounting seat and a pointer structure, at least one inserting piece is arranged on each of the two sides of the base in the first direction, each inserting piece is used for being inserted into an osteotomy groove of an osteotomy block, and the inserting pieces on the two sides of the base in the first direction have a height difference in the second direction; the mounting seat is arranged on one side of the base in the second direction; the pointer structure comprises a connecting rod and at least one measuring pointer, the measuring pointers are connected with the connecting rod, each measuring pointer comprises an abutting end used for abutting against the articular surface of the tibia, and the connecting rod is rotationally connected with the mounting base; the connecting rod can rotate around a first rotating axis relative to the mounting seat so as to drive the abutting end to rotate, and the connecting rod extends along the first rotating axis; and / or the mounting seat can rotate around a second rotating axis relative to the base, and the second rotating axis is basically parallel to the second direction. According to the tibia osteotomy positioning assembly provided by the embodiment of the invention, the measuring pointer can accurately abut against the lowest point of the tibia articular surface.

Prosthetic ankle replacements, prostheses, and associated methods of implanting prosthetic ankle and other joint replacements. In one form, a tibia stem has a geometry to facilitate implant installation while providing means to transfer load over a larger surface area through a press-fit, scratch-fit or cortical fit, thus lowering the contact stresses at the tibia-metal implant interface. The design and its implantation procedure also address minimization of misalignment. A talus element presents a partial-hemispherical surface; a tibial element which is to be affixed within the tibia, having an elongated stem part which extends into and within a canal of the tibial inner cortex, an intermediate body part which smoothly widens in radius toward an end which is a base to the tibial element, the base having a concavity formed therein shaped to match the partial-hemispherical surface of the talus element with a plastic cap between the two.

The invention provides a proximal tibia telescopic integral bone taking and grafting device, and belongs to the technical field of medical instruments. Comprising a handle, a conveying pipe is slidably connected into the handle, a funnel is fixedly connected to the outer wall of the conveying pipe, and a first annular sliding groove is formed in the inner wall of the end, close to the handle, of the conveying pipe; and the bone grafting assembly is used for assisting medical staff to perform bone grafting on the collapsed tibial plateau of the patient, and the bone grafting assembly is connected with the handle, the conveying pipe and the first annular sliding groove. By arranging the bone grafting assembly, the jacking area of a tibial plateau can be increased by matching deformation of a first connecting rod and a second connecting rod with a jacking piece, and meanwhile, a gap generated by deformation of the first connecting rod and the second connecting rod is matched with a discharging groove, so that a bone tunnel can be filled with filler conveyed by an auger from multiple directions; the jacked tibial plateau is preliminarily fixed, and it is avoided that when a subsequent bone grafting device is separated from a bone tunnel, the tibial plateau sinks and collapses, and resetting of the tibial plateau is affected.

A aiming jig for a tibial plate includes a head portion interfacing a head portion of the tibial plate, the head portion including: a screw guide hole corresponding to a screw hole in the head portion of the tibial plate; a fixation protrusion that engages a fixation opening in the head of the tibial plate, where engagement of the fixation protrusion with the fixation opening aligns the head with the head of the tibial plate; and an arm extending from the head, the arm comprising a guide, where the guide is configured to extend along an anterior portion of a tibia when the aiming clamp is secured to the tibial plate, and the guide comprising a support screw guide hole, the support screw guide hole guides a support screw to be placed into the tibia in a generally anterior-to-posterior direction such that the support screw does not interfere with a plate screw placed in the head of the tibial plate.