120 results about "Bone humerus" patented technology

A method of implanting a shoulder prosthesis assembly is provided where the method includes advancing by rotation a base member, that includes a cylindrical member and a helical structure, into a resection face of a humerus of a patient such that the helical structure is submerged in and engages cancellous bone of and does not extend distally of an epiphysis of the humerus, the cylindrical member being accessible at the resection face of the humerus when the base member is so advanced; advancing a locking device into the base member until at least one elongate member spans a space between adjacent portions of the helical structure to contact the cancellous bone in the space; and inserting a retention portion of a reverse articular insert into the cylindrical member of the base member to directly connect the reverse articular insert with the cylindrical member of the base member.

The invention relates to the technical field of orthopedic biomedical treatment, in particular to a proximal humerus fracture intramedullary bone cement supporting rod. The bone fracture plate comprises a bone fracture plate body, a plurality of first connecting holes and a plurality of second connecting holes are formed in one side of the bone fracture plate body in a penetrating mode, and solid bone nails are arranged in the first connecting holes. According to the device, bone cement is injected into a marrow cavity from an injection molding channel and an injection molding opening and then solidified into a rod body, the marrow cavity space is tightly filled, supporting structures are synchronously formed on the inner side and the outer side of the humerus through cooperation of a bone fracture plate and a bone cement supporting rod in the marrow cavity space, and therefore stress generated when arms of a patient move is evenly dispersed on the two sides of the humerus; the fixing stability is remarkably improved, the risk of internal fixation failure such as steel plate displacement and screw cutting is effectively reduced, and the bone cement supporting rods can further prevent displacement of fracture blocks, promote fracture repair, relieve extrusion and friction of surrounding tissue of a filling position, reduce inflammatory response and postoperative pain and improve the rehabilitation comfort of a patient.

The present application provides a new and innovative device for aiding in screw installation through a distal end of a nail installed in a patient's bone (e.g., humerus). The nail's distal end is disposed away from an insertion point of the nail into the bone. The targeting device includes a targeting body having an outer frame, a flexible member connected to the outer frame, a targeting block having multiple holes and connected to the flexible member such that the flexibility of the flexible member enables the targeting block to translate towards sides of the outer frame, and an adjustment assembly that adjusts and maintains the targeting block's position relative to the sides of the outer frame. The targeting device further includes a base plate removably coupled to the targeting body. The targeting device may be coupled to the nail at the base plate.

The application belongs to the field of medical devices, and particularly relates to a humeral shaft middle-distal fracture anterolateral MIPPO bone plate, which comprises a bone plate main body, a plurality of screw holes one are uniformly arranged on the proximal end to the middle end and the distal end of the bone plate main body, a plurality of screw holes two are arranged on the distal end of the bone plate main body, the diameter of the screw hole one is greater than the diameter of the screw hole two, the screw holes of the proximal end and the distal end of the bone plate are respectively provided with screw holes matched with screws of different diameters, the structure of the bone plate is designed on the basis of CT scanning data of humeral bones of a plurality of patients, and the bone plate is designed according to the structure of the reconstructed three-dimensional model of the humeral bone, so that the bone plate is more in line with the anatomical characteristics of the patient, and the bone plate is more suitable for anterolateral MIPPO surgery in cooperation with a matching device, indirect reduction of a fracture can be realized, the operation is further simplified, the operation time is saved, the amount of bleeding is reduced, and the surgical trauma is reduced.

The utility model discloses a novel bone fracture plate for treating bone nonunion of humerus, which relates to the technical field of bone fracture plates, and comprises an internal connection rotating piece mounted in a bone fracture plate main body, according to the device, the internal connecting rotating piece is installed, the inclined face of the internal connecting rotating piece is matched with the angle adjusting piece with the inclined face, and therefore a doctor only needs to rotate the angle adjusting piece and the internal connecting rotating piece when needing to obliquely install a connecting screw, and the angle adjusting piece rotates around the axis (namely the rotating axis) of a connecting boss; meanwhile, the internal connection rotating part is rotated, so that the inclined plane position of the internal connection rotating part is spatially changed, the angle of the angle adjusting part of the inclined plane can be adjusted, the mounting angle of the connecting screw can be changed to a certain extent, the angle of the connecting screw of the device can be adjusted, and the device can be adjusted according to the age and the body shape of a patient. Therefore, a doctor can select a proper angle to obliquely hit a screw at a proper position to connect the screw.

A shoulder orthosis configured to control a position of the humeral head / arm relative to a shoulder joint by adjusting tension across a joint. The orthosis allows a user to modify a direction and magnitude of force applied while wearing the orthosis. The orthosis may contain cams or extensions to direct and amplify force around the joint towards a specific range of motion. The orthosis can be made from digitally imaging joints and then partially or fully automating the design of orthosis.

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

The invention provides a fixing steel plate for proximal humerus comminuted fracture, and relates to the technical field of proximal humerus fracture, the fixing steel plate comprises a main steel plate with a connecting hole and a branch steel plate fixed with the main steel plate through the connecting hole; a plurality of extending claws are arranged on the side, away from the main steel plate, of the branch steel plate, and fixing structures are arranged at the ends of the extending claws and can connect bone fragments and make the bone fragments tightly attached to the main bone. The branch steel plates can be strip-shaped or ring-shaped, and the extension claws can be integrally formed or detachably combined. The problems that a traditional steel plate can only be placed on the outer side, and when fractures are smashed, the upper rear large nodule and the inner fracture blocks are difficult to fix and prone to displacement or internal fixation fails are solved, all-directional fixation is achieved, the steel plate is suitable for different fracture scenes, operative wounds are reduced, and shoulder joint function recovery is assisted.

A humeral head assembly is provided that includes an articular body and a coupler. The articular body includes a coupling portion disposed on a side of the articular body opposite an articular surface. The coupling portion includes a continuous zone of eccentricity adjustment. The coupler portion optionally includes one or more than one discrete position site. The coupler includes a first portion and a second portion opposite the first portion. The first portion is configured to mate with the coupling portion and the second portion is configured to mate with another member of a joint prosthesis. A coupling portion with the continuous range of eccentricity adjustment can be provided on a bone anchor and the eccentricity of another component can be selected by motion of a coupler, such as a tray for reverse humeral assemblies, along the coupling portion of the anchor.

The present invention relates to a mechanical implant for hip and shoulder arthroplasty. The mechanical implant comprises a neck (1) and an end (2), the end (2) which enters into a cavity in the patient's bone and terminates with a movable mechanical part (3) which fits into the metaphysis of the femur or humerus, and the end (2) terminates with two movable parts (4) to fit the end (2) into the neck (1). The two parts of the neck (1) and the movable mechanical part (3) are joined by a screw (5). The present invention enhances stability and facilitates the replacement of the neck (1) in the event of revision.

Disclosed is a prosthetic joint assembly for joining a humerus bone to a scapula bone, comprising a humeral component adapted for engagement with said humerus bone and a concave dish; a scapular component adapted for engagement with said scapula bone and a convex surface adapted to engage said concave dish; wherein when said components are implanted and engaged in a rest position said prosthetic center of rotation is displaced in a direction that is inferior and medial relative to a natural center of rotation and said humerus bone is displaced in a direction that is inferior relative to said natural center of rotation.

Orthopedic implants, surgical tools and surgical methods. More particularly, a system for surgical treatment of the elbow region for various fractures. The implants include an assortment of humerus plates, an olecranon plate system, and an elbow stabilization system. In order to assist in surgery, the system includes guides for the humerus, a coronoid fracture reduction clamp and an olecranon osteotomy clamp. Methods of using the various devices are also disclosed.

The invention relates to a humeral anchoring element (2) for a humeral joint part (4, 4') of a shoulder prosthesis, the humeral anchoring element (2) being characterized in that it comprises: - a main body (8) intended to be inserted inside a humerus (16) from a resected metaphyseal surface (10), and - a proximal collar (12) forming a proximal end of the humeral anchoring element (2) and placed at one end of the main body (8), a proximal face (14) of the proximal collar (12) extending into the humerus (16) and below the resected metaphyseal surface (10). Figure for abstract: figure 1

The utility model relates to the technical field of locking steel plates for proximal humerus fracture, in particular to a locking steel plate for proximal humerus greater tuberosity rotator cuff stop point fracture, which comprises a locking steel plate body and a top end fixing component used for fixing a small fracture block of a rotator cuff stop point, the top end fixing assembly comprises a positioning plate integrally connected with the top end of the locking steel plate body, a screw hole and a suture hole which are formed in the positioning plate, and a screw which penetrates through the screw hole to fix the positioning plate and a small fracture block at a rotator cuff dead point on a proximal humerus greater tubercle; the top end fixing assembly is arranged on the locking steel plate body, the positioning plate extends in the direction away from the top end of the locking steel plate body and covers a rotator cuff stop point, and the positioning plate and the top end of the locking steel plate body form an attaching face attached to the proximal humerus greater tubercle. And the firm fixation of the rotator cuff dead point bone block is realized.

The present invention relates to a system and a method for bone fracture risk assessment and provides for a system to predict Osteoporosis and Osteopenia and its associated fracture risk automatically from conventional chest X-ray image. The invention provides an automated digital X-ray bilateral Clavicle Radiogrammetry and its estimation of Cortical Thickness and Calculation of Cortical bone mass indices of Clavicle to predict dual Hips (Neck) Bone Mineral Density (BMD), dual Hips (Total) Bone Mineral Density (BMD) and Spine (Total) Bone Mineral Density (BMD) as measured by dual energy X-ray absorptiometry (DXA) bone densitometer and 10-year probability of both Major Bones (hip, spine, humerus or forearm)—and Hip-Osteoporotic Fracture Risk Scores. Using the same chest X-ray, an automated prediction of Osteoporosis and Osteopenia at both dual hips and spine regions and 10-year probability of both Major Bones and Hip Osteoporotic Fracture Risk using Artificial Intelligence (AI).

Systems and methods for opposing abnormal motion of an adjacent bone are provided. One exemplary embodiment of a surgical method includes delivering and securing a bone barrier to a bone bed of a glenoid such that at least a portion of the bone barrier extends laterally beyond the bone bed and can oppose, prevent, and / or reduce abnormal motion of an adjacent bone (e.g., a humeral head). The bone barrier can be secured along a periphery of a glenoid of a shoulder. More particularly, the bone barrier can be placed and secured such that at least a portion of the bone barrier extends laterally over the glenoid and can oppose abnormal motion of the humeral head. In some embodiments at least one suture anchor and suture can secure the bone barrier to the bone bed.

The utility model discloses a humerus handle beneficial to large and small tubercle reconstruction, which comprises a humerus prosthesis handle, a cover plate and a fixing screw, a screw hole is arranged on the humerus prosthesis handle, a joint surface is fixed on the humerus prosthesis handle, the joint surface is matched with a cambered surface joint head, and the cover plate is fixed on the cover plate. The humerus prosthesis handle is mutually fixed with a human body bone block through the cover plate and the fixing screw. According to the humerus handle beneficial to large and small tubercle reconstruction, the overall operation is simple, a doctor does not need to conceal a suture binding mode and a mechanical structure when a patient moves later, compared with a traditional suture binding mode, the risk that bone fragments are separated from the binding position is high, the design has no risk, fixation is firm, the humerus prosthesis handle is made of a titanium alloy material, and the use is convenient. The screw and the cover plate are also made of titanium alloy materials, biocompatibility is guaranteed, meanwhile, strength is achieved, the cover plate and the screw are in spherical connection, the device can better adapt to the shape of a bone block, and the adaptability of the device is improved.

The present disclosure provides a shoulder prosthesis. The shoulder prosthesis includes a glenoid component, a humeral component, and an articulation component. The glenoid component includes a glenoid body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a glenoid cavity. The humeral component includes a humeral body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a humerus. The articulation component is positionable between the proximal side of the glenoid component and the proximal side of the humeral component, the articulation component configured to be maintained between the glenoid and humeral components, after implantation, by at least one of a deltoid muscle and a rotator cuff.

A humeral anchor for a shoulder prosthesis is disclosed. The humeral anchor includes a distal portion configured to be anchored in a proximal region of a humerus and a proximal portion, the proximal portion including a proximal face, where the proximal face includes an engagement feature configured to directly couple to a reverse shoulder insert having a concave proximal portion, and wherein the proximal face is further configured to directly couple with an anatomical shoulder insert having a convex proximal portion.

The invention discloses a distal humerus prosthesis for the small head of the humerus, and relates to the technical field of medical instruments. The distal humerus prosthesis for the capitulum humerus comprises a humerus main body group which is used for being fixed at the resection position of the capitulum humerus; one end of the humerus handle group is used for being inserted into a humerus marrow cavity, and the other end of the humerus handle group is detachably connected with the humerus main body; the humerus side plate is fixed to the side face of the humerus through the steel plate nails, and the humerus side plate is fixedly connected with the humerus handle through the steel plate nails. In order to enhance the fixing effect between the prosthesis and the humerus, a steel plate nail originally needing to be hit between the humerus side plate and the humerus is arranged on the humerus handle in the humerus marrow cavity in a penetrating mode, so that the fixing enhancing effect is achieved, in the operation, more damage cannot be caused to the bone of a patient, and the fixing effect is improved. When the distal humerus prosthesis is used, a user only needs to form a hole in the humerus handle before an operation, so that the time required by the operation is not prolonged, and the stability of fixation between the distal humerus prosthesis and the bone of a patient can be improved by the distal humerus prosthesis.

Described herein are reverse shoulder devices and related systems, methods, and kits useful in implanting a humeral implant in the humerus bone. In some embodiments, a humeral implant device is described that includes a liner, a tray, and an adaptor. In some embodiments, the humeral implant further includes a stem. In some embodiments, the liner is configured to receive a glenosphere. In some embodiments, an offset tool is described that comprises a distal portion configured to interface with a humeral implant stem and a proximal portion configured to interface with a humeral implant tray. In some embodiments, an offset tool is described for determining a desired size of an adapter for use with a humeral implant. In some embodiments, the offset tool includes a trial tray assembly, an outer shaft, and an inner shaft.

The invention relates to a humeral anchoring element (2) of a humeral joint component (4, 4') of a shoulder prosthesis, the humeral anchoring element (2) being characterized in that it comprises: - a main body (8) for insertion into a humerus (16) from a resected metaphyseal surface (10), and - a proximal flange (12) forming a proximal end of the humeral anchoring element (2) and positioned at one end of the main body (8), a proximal face (14) of the proximal flange (12) extending into the humerus (16) and below the resected metaphyseal surface (10). Figure for the abstract: Figure 1

The invention discloses a variable-diameter labor-saving humerus prosthesis for rotator cuff deficiency. The variable-diameter labor-saving humerus prosthesis comprises an outer-layer humerus head prosthesis and an inner-layer humerus head prosthesis, wherein the appearance of the outer humerus head prosthesis is of a partial spherical structure, and the diameter of the outer humerus head prosthesis is larger than that of a physiological humerus head of a patient; the appearance of the humerus head prosthesis connected with the inner layer of the humerus handle is of an over-hemisphere structure or a complete spherical structure; at least the part, exceeding the hemisphere, of the inner-layer humerus head prosthesis is embedded in the outer-layer humerus head prosthesis, and the inner-layer humerus head prosthesis can rotate in a universal mode in the outer-layer humerus head prosthesis; the sphere center of the inner humerus head prosthesis is deviated to the globe top side of the outer humerus head prosthesis relative to the sphere center of the outer humerus head prosthesis, so that the rotation center of the prosthesis moves inwards, the arm of force is increased, the labor-saving effect of the upward lifting action is achieved, and it is guaranteed that the tensioned deltoid muscle can complete the initial 30-degree upward lifting action; a middle buffer structure passing through a hemisphere can be arranged between the two layers of prostheses, so that the structural stability of the whole prosthesis in use is ensured on the basis of ensuring that the arm of force is increased to the maximum extent.

This invention provides a humeral support device, relating to the field of medical devices. The support device includes a first support portion, a second support portion, and a connecting portion, with the first and second support portions fixedly connected via the connecting portion. The first support portion has multiple first through holes, and the second support portion has multiple second through holes. A first fastener secures the first support portion to the lesser tubercle of the humerus through the first through holes, and a second fastener secures the second support portion to the anteromedial aspect of the humerus through the second through holes. The implantation direction of the first and / or second fasteners intersects the plane of motion of the humerus rotating about the sagittal axis relative to the shoulder joint. By limiting the implantation direction of the fasteners to intersect with the direction of the rotator cuff traction force, it can directly support the medial aspect of the humerus and effectively resist the humeral inversion force caused by the rotator cuff, reducing the risk of secondary humeral displacement caused by rotator cuff traction and improving postoperative stability.

The invention relates to a connecting sleeve for anchoring shafts of two oppositely arranged prostheses, preferably on an elongate bone such as a femur or humerus. The reinforcing sleeve comprises two receiving bushes for one prosthesis shaft each and comprises a separable coupling region arranged therebetween for connection in such a manner as to resist shear forces and rotation. According to the invention, each receiving bush has, on the side thereof facing the coupling region, one fork of a pair of forks that interact with each other, and a fitting block is arranged on a base of the fork, the lateral surfaces of which fitting block have a distance that corresponds to an inner width of the fork, and the lateral surfaces are designed to contact flanks of the fork in a planar manner, at least one fastening screw being arranged transversely through the fork. The fork connection is simpler to produce than the known wedge connection and yet is sufficiently robust. Unlike in the case of the wedge connection, an exact fit is not required; a clearance fit between the fork and the fitting block is sufficient in principle, excessive play being eliminated by means of the fastening screw.

This invention discloses a customized rectangular 3D-printed guide for the greater tuberosity of the humerus and its design method. The method includes: supplementing the original trapezoidal anatomical shape of the greater tuberosity of the humerus into a rectangle; calculating and finding the optimal needle insertion point; and using large-scale data analysis of dried humeral specimens to find a universal rectangular shape. Using thin-slice CT scans of the patient, reconstruction is performed using Mimics software, and further smoothing and guide design are achieved using Geomagic software. Finally, an anatomical standard parallel screw fixation guide that also facilitates reduction is designed. This invention uses the rectangular principle to more accurately locate the needle insertion point for cannulated screw fixation in split fractures; the precise design of the 3D-printed guide provides a foundation for the subsequent clinical development of related instruments and theoretical systems and their further clinical application; it improves the cure rate of this disease, reduces complications, further alleviates patient suffering, and improves patients' quality of life.

The invention relates to the technical field of teaching instruments, and provides a joint training model to solve the problem that the palpation training effect of trainees is poor due to the fact that a current joint model cannot simulate the real pathological hand feeling. The device comprises a simulated humerus, a simulated ulna and radius and a simulated muscle connecting the simulated humerus and the simulated ulna and radius. One end of the simulated ulna and radius is provided with a glenoid fossa, and the glenoid fossa comprises a mounting seat connected with the end part of the simulated ulna and radius, a rough surface fossa layer arranged at one side of the mounting seat, a sliding rod arranged at one side of the rough surface fossa layer, a compression spring sleeving the sliding rod, and a sliding surface fossa layer arranged at one end of the sliding rod; one end of the simulated humerus is provided with a humerus head, the surface of the humerus head is a spherical surface, and the humerus head is coated with a joint capsule; through the adjustable joint fossa structure and the inflatable joint capsule, pathological signs of friction feeling of cartilage abrasion and stiffness feeling of joint capsule contracture are simulated respectively, and quantifiable and repeatable palpation training conditions are provided for students.

Surgical constructs methods of tissue fixation are disclosed. A textured structure on a bone surface provides increased friction and increased surface area for soft tissue coming down on it.

The invention relates to the technical field of medical instruments, in particular to a child humerus supracondylar fracture intraoperative maintenance reduction auxiliary device which comprises a controller and a shell, an auxiliary plate is hinged to the top of the shell, arc-shaped plates are arranged on the shell and the auxiliary plate, air bags are detachably connected to the arc-shaped plates, a first communicating pipe is arranged on the upper portion of the shell, and a second communicating pipe is arranged on the lower portion of the shell. The two ends of the first communicating pipe detachably communicate with the interiors of the adjacent air bags correspondingly. A driving part is fixedly connected to the inner bottom wall of the shell, a driving gear is fixedly connected to an output shaft of the driving part, a first rack and a second rack are symmetrically meshed with the two sides of the driving gear, and an inflation assembly is arranged at the end, away from the driving gear, of the first rack. The air bag close to the shell further detachably communicates with a second communicating pipe, and the second communicating pipe penetrates through the top wall of the shell and extends into the shell to be provided with an angle adjusting assembly. The angle of the auxiliary plate is adjusted through the angle adjusting assembly, the tedious operation that a traditional mechanical screw needs to be loosened and tightened repeatedly is optimized, and therefore the operation time is shortened.

The present application provides a new and innovative device for aiding in screw installation through a distal end of a nail installed in a patient's bone (e.g., humerus). The nail's distal end is disposed away from an insertion point of the nail into the bone. The targeting device includes a targeting body having an outer frame, a flexible member connected to the outer frame, a targeting block having multiple holes and connected to the flexible member such that the flexibility of the flexible member enables the targeting block to translate towards sides of the outer frame, and an adjustment assembly that adjusts and maintains the targeting block's position relative to the sides of the outer frame. The targeting device further includes a base plate removably coupled to the targeting body. The targeting device may be coupled to the nail at the base plate.