194 results about "Bone tibia" patented technology

According to one example, a tibial prosthesis that can include a tibial bearing component, tibial baseplate, an insert and a fastener. The tibial bearing component can have medial and lateral proximal articular surfaces and an opposing distal surface. The tibial bearing component can define at least one recess therein with the recess having an opening at a periphery of the tibial bearing component. The tibial baseplate can be coupled to the tibial bearing component on the proximal surface thereof and having a distal surface configured to be disposed on a resected proximal surface of a tibia. The insert can be configured to be disposed within the recess and can engage the tibial baseplate and the tibial bearing component. The fastener can be insertable into the tibial bearing component and can be configured to retain the insert to the tibial baseplate.

Bone plates for engaging bone members are described herein. 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.

An implant system that includes an implant having a base portion, that has a body and at least a portion of which includes a lattice structure, and an upper portion configured to releasably couple with the base portion. The implant system includes at least one first fastener configured to be received and extend at least partially through at least one bore of the base portion, and at least one second fastener configured to be received within a cavity of the base portion. Also disclosed is an implant that includes a body that has various elements configured to facilitate arthrodesis of the subtalar joint and talonavicular joint. The body includes an upper surface that is configured to interface with the tibia of a patient, and a lower surface that is configured to interface with the subtalar joint and / or calcaneus of the patient.

Knee arthroplasty implants, instruments, systems, and methods of implanting the same. The knee arthroplasty implants may include a femoral implant and a tibial tray implant, each with trabecular surfaces configured to contact bone to provide a scaffold for bone healing and interdigitation. The implants may also include fixation pegs with bulleted profiles to increase the surface area for bone ingrowth. An inserter instrument may include a sliding rack, which is incrementally extended with a rotatable shaft, thereby allowing for quick lock and release of various tibia trays.

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 invention provides a method for designing an osteotomy surface of an osteotomy guide plate, which belongs to the field of medical instruments and comprises the following steps of: establishing an xoz coordinate system in a sagittal view image on a three-dimensional bone model, and establishing a yoz coordinate system in a coronal view image on the three-dimensional bone model; in the three-dimensional coordinate system, on the basis that the highest point of the normal tibia part is a point P1, the osteotomy surface S1 passes through the point P1 and is parallel to the xoy surface, the spatial position of the osteotomy surface S1 in the three-dimensional coordinate system is obtained; an osteotomy line L1 is determined in a sagittal image, an osteotomy line L2 is determined in a coronal image, and the spatial position of an osteotomy surface S2 in a three-dimensional coordinate system is obtained based on the osteotomy line L1 and the osteotomy line L2; the first osteotomy surface and the second osteotomy surface of the osteotomy guide plate are set according to the 3D printing technology in combination with the relative position relation of the osteotomy surface S1 and the osteotomy surface S2, the osteotomy guide plate is obtained, the osteotomy guide plate is designed according to the osteotomy plane equation, and operation errors are reduced.

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.

A guide device includes: a guide portion guiding a bone cutting tool; a retractor portion arranged so as to be spaced apart from the guide portion in a first direction; a connection portion that connects the guide portion and the retractor portion; and a fixing portion that fixes the guide portion with respect to the tibia. The guide portion has a guide hole penetrating the guide portion in the first direction and extending in a second direction intersecting the first direction. The retractor portion is disposed in a region overlapping at least the guide hole in a plan view in the first direction.

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.

The tibia soft tissue scraper comprises a handle and a scraper head, the scraper head comprises a horizontal part and a bent part, one end of the horizontal part is detachably connected with the handle, and the other end of the horizontal part is connected with the bent part; a pair of blades is symmetrically arranged at the front end of the bent part at intervals, the front ends of the blades protrude out of the bent part and gradually get close to each other, so that the blades abut against the surface of the bone setting tissue to be triangular, and cutting edges are formed in the top ends of the blades. By means of the combined action of the triangular structures formed by the two blades, cutting and sufficient separation of the surface of bone tissue are achieved, and the problem that scraping is insufficient in practical application is solved.

A design method of an anatomical plate for treating a tibial plateau fracture and an internal fixation device are provided. The design method includes: obtaining a high-precision three-dimensional model of a fractured bone of a patient; obtaining a post-reduction bone model; extracting point arrays of a cross section and a sagittal plane and obtaining solid body designs of a lateral plate body and a medial plate body; and adjusting thicknesses of proximal ends of the lateral plate body and the medial plate body, adjusting thicknesses of main bodies of the lateral plate body and the medial plate body, cutting the lateral plate body and the medial plate body from a sagittal plane according to a fit condition of the lateral plate body and the medial plate body, and determining a position and a direction of a screw hole to obtain a lateral anatomical plate and a medial anatomical plate.

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 discloses a characterization method for describing tibia malformation correction path features, and the characterization method comprises the following steps: S1, building a bone section model, and modeling a bone section after osteotomy into a closed ring surface with the tail end of the bone section as the center; s2, according to the total correction period, the total adjustment amount of all traction rods of the parallel external fixator is averagely distributed every day, and then joint space equal-interval discrete planning is achieved; s3, constructing correction path characteristic evaluation indexes including rod length adjustment rate, bone section position stretching rate and bone section posture stretching speed; s4, the new bone shape is visually represented, the growth process of the bone section is represented as a series of discrete closed ring surfaces along the correction path, and the new bone shape is represented as the volume swept by the series of discrete closed ring surfaces along the correction path. According to the method, the visual representation of the new bone generation process in the malformation correction process is realized, so that a clinician is assisted to carry out feasibility analysis and evaluation on a preoperative correction prescription.

To provide a device and method for unicondylar tibial implants.SOLUTION: A tibial implant cutting guide comprises a plate to engage a resected surface, and an elongate slot extending through the plate along an axis, the elongate slot having first and second longitudinal walls extending parallel to the axis, and a first end wall perpendicular to the axis, the first and second longitudinal walls are spaced apart by a prescribed distance and the width of the first end wall is at least as wide as the distance. A method of arthroplasty comprises: resecting a tibia to form a resected surface; advancing a cutting head in a cutting slot to engage flush with a flat first end of the cutting slot to form a bone channel; and inserting a keel into the bone channel. A method of manufacturing a tibial template comprises forming a longitudinal cutting slot in a plate and forming a widening of the cutting slot at an end of the cutting slot.SELECTED DRAWING: Figure 1A

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.