49 results about "Humerus bone" patented technology

A humeral component of a shoulder prosthesis includes a stem configured for implantation within the humerus. A reverse articulating component is mounted to the stem by a connection mechanism. The reverse component defines a substantially concave bearing surface. The bearing surface is part of a bearing member that is engaged to a support member that is associated with the connection mechanism. A kit is provided which includes differently configured bearing members and support members to allow intraoperative selection and assembly of an optimum articulating component.

A shoulder prosthesis. The shoulder prosthesis includes a head having a cavity. The head further includes a first bearing surface configured to mate with a second bearing surface of a glenoid. The shoulder prosthesis also includes a stem having a recess defined therein, and the stem configured to be received by a humerus. The shoulder also includes a first connector having a proximal end and a distal end. The first connector also includes a threaded cavity and an outer wall. The outer wall engages the recess of the stem, and the threaded cavity opens at the proximal end of the first connector. A second connector having a threaded end sized and shaped to fit in the threaded cavity of the first connector is also included. The second connector also has a head connector end that is sized and shaped to fit within the cavity of the head. The outer wall of the first connector is sized and shaped to expand at the proximal end as the second connector is threaded into the threaded cavity.

A humeral prosthesis, for the articulation of a humerus in a scapula of a shoulder having a glenoid cavity, includes an articulation device able to be associated both with an articulation element mounted on the glenoid cavity, and also at the top of said humerus by an attachment element. The articulation device comprises a first element able to articulate with the articulation element and a second element associated with the attachment element, the first element and the second element being pivoted to each other around a pivoting axis to allow a free relative rotation thereof around the pivoting axis.

A bionic force loading and function detecting experimental platform for an in-vitro shoulder joint is provided. The platform includes a support unit, a base unit, a shoulder blade fixing and muscle loading unit, a humerus clamping and rotation measurement unit, a humerus movement guiding arc support and a humeral head displacement detection unit. The platform can provide different static space attitude fixation of shoulder joint specimens according to experiment requirements, and can perform glenohumeral joint three-freedom-degree and shoulder blade one-freedom-degree static phase adjustment through cooperation with a clamp. The muscle loading unit includes a plurality of force transferring ropes and a corresponding pneumatic servo system, and provides bionic muscle force for each muscle group of an in-vitro shoulder joint. Bionic muscle force is applied on a shoulder joint specimen under microprocessor control, multi-freedom-degree movement of the shoulder joint can be achieved, and shoulder joint function parameters are detected. Biomechanical data measured by the platform can be adopted as important indexes for shoulder joint function evaluation.

The present application relates to a system for navigation-assisted shoulder operations in which the humeral component is partially replaced with a prosthesis, comprising:a first tracking unit which is configured to be fastened to a section of a bone which is to be removed during the operation;a detection unit which is configured to detect landmarks on the bone;a second tracking unit which is configured to be attached to another section of the same bone;a camera unit which simultaneously detects the first and second tracking unit, in order to determine their respective location; anda computational unit which is connected to the camera unit and is configured to:determine a first relative location of the landmarks relative to the first tracking unit from data acquired by means of the detection unit; andcalculate a second relative location of the landmarks relative to the second tracking unit on the basis of the first relative location;such that additional navigated treatment apparatuses can be exactly positioned during the operation by referring to the second tracking unit.

A glenoid component for securement to a glenoid surface of a scapula comprises a body portion having a first surface adapted to contact the glenoid surface of a scapula and a second surface configured to receive the head portion of a humerus. The glenoid component further includes an anchor peg for penetrating the glenoid surface of the scapula so as to secure the body portion to the glenoid surface of the scapula. The anchor peg includes a cylindrical shaft extending from the first surface of the body portion and a fin secured to and extending outwardly from the cylindrical shaft. The glenoid component further includes a feature that prevents rotation of the glenoid component.

A 3D reproducing method with multi-row for measuring the torsional angle of humerus head includes such steps as using the shoulder joint mode in volume reproducing technique to cut and separate scapula and obtain the reproduced 3D humerus image, drawing a circle to fit the joint surface of humerus head, drawing a line between dots A and B which are cross points between said circle and joint surface, drawing the midnormal line EF or said line AB to obtain the far-end defining line of said torsional angle, drawing a line CD between the most convex dots of internal and external upper condyles to obtain its near-end defining line, and measuring the included angle between lines EF and CD to obtain said torsional angle.

An impactor system is for impacting a base of a shoulder implant into a humerus. The system may include a housing having distal stabilizer configured to contact a proximal resected surface of the humerus. The distal stabilizer may define an open space. An impaction member may be slidably received within the housing. The impaction member may have a proximal surface and a distal connection mechanism adapted to connect to the base of the shoulder implant. The impaction member may be movable from a first proximal position in which the base of the shoulder implant, when connected to the impaction member, is positioned within the open space defined by the distal stabilizer, to a second distal position in which the base of the shoulder implant, when connected to the impaction member, is positioned at least partially distal to the open space defined by the distal stabilizer.

The invention discloses an adjustable shoulder abducting mat. The adjustable shoulder abducting mat comprises a body side vertical plate, an arm side oblique plate, an angle adjusting system, a horizontal plate and a fixing strap system, wherein the body side vertical plate is propped against the waist and belly on one side of the human body and cooperates with a human body waist and belly curve;the arm side oblique plate is propped against the forearm of the human body and cooperates with the human body forearm curve; the angle adjusting system is connected with the body side vertical plateand the arm side oblique plate and is used for adjusting the relative angle of the body side vertical plate and the arm side oblique plate; the fixing strap system is arranged bypass the shoulder, theneck, the waist and the belly of the human body; and a position adjacent to the top, of one side of the body side vertical plate is connected with a position adjacent to the top, of the arm side oblique plate through a ball joint. The adjustable shoulder abducting mat disclosed by the invention is light in weight, and comfortable to wear; the angle between parts can be conveniently adjusted to meet requirements of different patients in different rehabilitation stages; the adjustable shoulder abducting mat can assist early-stage brake and later stage rehabilitation of the injured shoulder; andthe application range of the adjustable shoulder abducting mat not only comprises illness in the category of sports medicine including rotator cuff damage, recurrent shoulder joint dislocation and the like, and the adjustable shoulder abducting mat is also benefit for illness in the category of wound orthopedics including proximal humerus fracture, glenoid fossa fracture and the like.

Disclosed herein is a humeral head trial, a system for humeral trialing, and a method for removing a humeral head trial from a humeral stem. The humeral head trial may include a first portion, a second portion, and a post extending from the second portion. The first portion may define a concave articular surface with a movable surface substantially flush with the concave articular surface. The post may define a first length in a first configuration and a second length in a second configuration. The first length may be greater than the second length. The post may change from the first configuration to the second configuration by moving the movable surface with respect to the concave articular surface.

The invention provides a mouth gag for shoulder joint humerus head. The mouth gag for the shoulder joint humerus head comprises a mouth gag body connected with a holder in a matched mode, and a cutting edge used for pre-reaming of the shoulder joint is arranged at the end, away from the holder, of the mouth gag body. The mouth gag has the advantages that the defect that near-end marrow reaming cannot reach an ideal position or is difficult to drive due to the fact that far-end marrow reaming instruments and near-end marrow reaming instruments are different is overcome, and it can be effectively guaranteed that the square file reaches expected positioning.

Disclosed herein is a humeral head and cup trials, a system for humeral trialing, and a method for removing a humeral head and cup trial from a humeral stem. The humeral trial may include a first portion, a second portion, and a post extending from the second portion. The first portion may define an articular surface. The post may define a first length in a first configuration and a second length in a second configuration. The first length may be greater than the second length. The post may change from the first configuration to the second configuration by moving the first portion with respect to the second portion.

The invention discloses a humanoid upper limb based on pneumatic muscle. The pneumatic muscle simulates human muscle for driving a shoulder joint, an elbow joint and a wrist joint to move, and the function of completely simulating the motion of the upper limb of a person is achieved. The humanoid upper limb is composed of a rib, a vertebra, a shoulder blade, a humerus, a fibula, an ulna, a spherical hinge, the pneumatic muscle and a pneumatic muscle fixing plate; the pneumatic muscle of a humanoid upper limb girdle muscle drives the shoulder joint to retract and stretch, bend and extend, inwards rotate and outwards rotate; arm muscle drives the elbow joint to bend and extend, inwards rotate and outwards rotate, and meanwhile the arm muscle and the upper limb girdle muscle cooperatively drive the shoulder joint to inwards retract, outwards stretch, inwards rotate and outwards rotate; and forearm muscle drives the wrist joint to bend and extend and retract and stretch and drives the elbow joint to bend and extend, inwards rotate and outwards rotate. The humanoid upper limb is driven by the pneumatic muscle, has the beneficial effects of being compact in structure, clean and good in anti-explosion performance, and can be used for teaching demonstration, medicinal diagnosis and scientific research.

A food skewer that provides a user with the experience of eating meat / food stuff off a bone that is not normally eaten off of a bone, includes a skewing piece and an end cap. The skewing piece is used to pierce and support the desired meat / food stuff, and also provides a portion for the user to grasp in order to maneuver the meat / food stuff. Meanwhile, the end cap secures the meat / food stuff to the skewing piece, protects the user from incurring injury from the skewing piece, and provides an additional portion for the user to grasp in order to maneuver the meat / food stuff. The skewing piece and the end cap may resemble one or more animal bones, such as a humerus bone, a rib bone, or a radius and ulna bone.

The invention provides a device, a system and a method for handling, grading and vaccinating living birds, wherein the device (1) comprises a main member (10); a receiving member (20) rotatably attached to the main member and configured to receive and hold the birds by their scapula-humeral joints in a first position and to release the birds in a second position; and a locking member (30) movablyattached to the main member and configured to lock the receiving member in the first position and to release the receiving member to rotate from the first position to the second position to release the birds.

A humerus-stabilized shoulder stretching device including a first rod, gripping handle coupled to the first rod, force handle, and stationary arm having a first portion and a second portion oriented relative to each other by an angle. The first portion of the stationary arm is coupled to the gripping handle by the first rod and the force handle is coupled to stationary arm via the second portion. An elbow cradle having a base coupled to the stationary arm is configured to accommodate a user's arm such that when the user's elbow is within the elbow cradle and the user grips the gripping handle with the hand of that arm, the user's forearm will be releasably constrained between the gripping handle and the elbow cradle and the distance between the base and the gripping handle will be maintained by the first rod at a length approximately equal to the user's forearm.

The invention relates to a humerus near-end special-shaped block. The humerus near-end special-shaped block specifically comprises a first fixing part and a second fixing part, wherein the inner surface of the first fixing part is an arc-shaped surface; and the first fixing part comprises two top locking screw holes located at the upper portion of the first fixing part. A first oblique insertion locking screw hole is positioned below the top locking screw hole; a second oblique insertion locking screw hole is positioned below the first oblique insertion locking screw hole; the two middle locking screw holes are positioned below the second oblique insertion locking screw holes; a third oblique insertion locking screw hole is positioned below the middle locking screw hole; the two lower locking screw holes are positioned below the third oblique insertion locking screw holes; the second fixing part comprises a fixing screw hole located at the surface of the second fixing part; and a connecting rod is connected with a round hole and located on the side surface of the second fixing part.

The invention relates to equipment for judging falling down of old people. The equipment comprises an electroencephalogram sensor, a myoelectricity sensor, a gyroscope and a pressure sensor which are connected with a central control chip, the electroencephalogram sensor is used for receiving electroencephalogram signals of a user, the myoelectricity sensor is used for receiving surface myoelectricity signals of upper humerus and quadriceps femoris muscles of the user, and the pressure sensor is used for receiving pressure signals of the outer sides of arms and thighs of the user; the central control chip is used for receiving and processing signals of the electroencephalogram sensor, the myoelectricity sensor and the pressure sensor and judging whether the user falls down or not. According to the equipment and the method, multiple sensors can be combined with multiple data for analysis, and the situation that a user tends to fall down but stands stably or falls down due to misjudgment is avoided.

The invention discloses an exosome surface functionalized PEEK (Polyether-Ether-Ketone) material which is prepared by the following method: step 1, culturing mesenchymal stem cells which are taken from humerus and femur on both sides of a female SD (Sprague Dawley) rat; step 2, centrifugal separation; centrifugally separating the bone mesenchymal stem cells to prepare exosomes; step three, sulfonation: immersing the PEEK into a sulfuric acid solution to enable the PEEK to form a uniform porous structure; step 4, preparing SPEEK: carrying out hydro-thermal treatment on sulfonated PEEK to remove residual sulfuric acid so as to obtain SPEEK; 5, TA-SPEEK is prepared; reacting the SPEEK with a sample under a magnetic stirring condition to obtain TA-SPEEK; and step 6, synthesizing Exo-TA-SPEEK, namely dropping the exosome from the bone mesenchymal stem cells onto TA-SPEEK, so that the Exo-TA-SPEEK can be synthesized. According to the invention, bone formation can be mediated, immune response is controlled, and effective combination with a human body is realized.

The invention discloses an individualized elbow joint stabilizer and a manufacturing method thereof. The individualized elbow joint stabilizer comprises a shaft part for penetrating and connecting the ulna and the humerus and a fixing part connected with the shaft part. The fixing part is provided with two Mounting holes above for screws to secure the Individualized Elbow Stabilizer to the ulna. The manufacturing method includes the steps of collecting patient CT image data and modeling to obtain a three-dimensional model of the elbow joint, printing with a 3D printing device to obtain a 1:1 model of the affected elbow joint, and manufacturing an individualized elbow joint stabilizer based on the model of the affected elbow joint. The invention is suitable for stabilizing the elbow joint in an internal fixation manner, and has the advantages of individualization, simple structure, low cost, easy assembly and disassembly, stable and reliable fixation, and reduced complications.

The present invention provides a humeral head resetting and holding forceps, comprising: forceps I and forceps II, the forceps I and forceps II are connected as a whole through a connecting shaft, the end of the forceps I is provided with a guide adjuster, and the guide adjustment A hole for the reference Kirschner wire I to pass is provided in the device, and a positioning guide is provided on the pliers II, and the positioning guide is connected with the pliers II through a fastening nut. With reference to the hole through which the Kirschner wire II passes, the positioning guide is connected with the positioning adjuster through a lock nut, and the positioning adjuster is provided with a hole for the passage of the target Kirschner wire. The present invention is convenient and flexible, and greatly improves Channel establishment efficiency of intramedullary nail implantation.

The invention relates to an implantable prosthesis, and particularly relates to a customized medical nano renewable porous titanium alloy 3D printed shoulder joint humeral head. According to the method, CT tomographic image data of humerus is obtained by CT scanning on shoulder joint of a patient, and then a three-dimensional model meeting the shoulder joint humerus is established according to the CT tomographic image data. The humerus is printed layer by layer with mixture of Ti powder, Mg, Si, Ca, Cu, Ag, Ni and Mo as a matrix material for the humerus. Afterwards, electron beam irradiation treatment and nitridation treatment are carried out, and a strontium-loaded micro-nano coating is added to finally obtain the finished product. Compared with titanium alloy humerus or magnesium alloy humerus manufactured by traditional methods, the humerus printed through the method of the present invention has better strength, corrosion resistance and biocompatibility, facilitates combination with bone tissue, shortens healing time and reduces surgical risks.

The invention provides a humerus prosthesis. The humerus prosthesis comprises a main body structure and a cylindrical structure, the cylindrical structure is connected with the end of the main body structure, the cylindrical structure is made of a shape memory alloy, the cylindrical structure has an expansion state and a first natural state, the radial size of the cylindrical structure in the expansion state is larger than that of the cylindrical structure in the first natural state, and the cylindrical structure is used for being arranged at the residual end of the humerus in a sleeving mode.By the adoption of the scheme, when the humerus prosthesis is implanted, the cylindrical structure is arranged at the residual end of the humerus in a sleeving mode, so that the cylindrical structureand the humerus are connected in a sleeving mode, compared with an existing mode that a part of the humerus body is inserted into a medullary cavity of the residual end, connection is more stable, and the prosthesis can still be reliably connected after being used for a long time. Moreover, the cylindrical structure is made of the shape memory alloy, and the cylindrical structure can be set to bein an expansion state before connection, so that the cylindrical structure can be conveniently arranged on the residual end in a sleeving manner, then the cylindrical structure is restored to the first natural state, and reliable connection with the residual end is facilitated.

A food skewer that provides a user with the experience of eating meat / food stuff off a bone that is not normally eaten off of a bone, includes a skewing piece and an end cap. The skewing piece is used to pierce and support the desired meat / food stuff, and also provides a portion for the user to grasp in order to maneuver the meat / food stuff. Meanwhile, the end cap secures the meat / food stuff to the skewing piece, protects the user from incurring injury from the skewing piece, and provides an additional portion for the user to grasp in order to maneuver the meat / food stuff. The skewing piece and the end cap may resemble one or more animal bones, such as a humerus bone, a rib bone, or a radius and ulna bone.

The invention discloses a compliant shoulder rehabilitation exoskeleton. The compliant shoulder rehabilitation exoskeleton can also be used for independent acromioclavicular and scapular rehabilitation on the basis of shoulder rehabilitation. The compliant shoulder rehabilitation exoskeleton comprises a base, a shoulder self-alignment mechanism, a shoulder rehabilitation mechanism and a connectingpiece; the shoulder rehabilitation mechanism can achieve equivalent training of shoulder abduction / adduction, forward extension / backward swing and inward rotation / outward rotation. The self-alignmentmechanism guarantees that the rotating center of the shoulder rehabilitation mechanism is aligned with the rotating center of the humerus of the human body in the rehabilitation process, so that discomfort or secondary injury caused by extra force and torque is avoided; meanwhile, the self-alignment mechanism can be switched into a shoulder girdle rehabilitation mechanism to drive a shoulder girdle to do forward stretching / backward and upward lifting / downward pressing exercises, and therefore, exercise forms are increased, and the rehabilitation effect is improved.

According to one aspect of the disclosure, a glenoid implant for replacing a native glenoid includes an articulating surface configured to articulate with respect to a humeral head. A bone-facing surface may be opposite the articulating surface, the bone-facing surface having a first area configured to contact a paleoglenoid of the native glenoid. An augment portion may be coupled to the bone-facing surface, the augment portion being configured to contact a neoglenoid of the native glenoid. The augment portion may be transitionable between a first configuration in which the augment portion has a first convexity and a second configuration in which the augment portion has a second convexity different than the first convexity.

The invention discloses a motion capture system based on real bird flight and a control method thereof, and belongs to the technical field of motion capture. The motion capture system includes a bird to be observed, a head sensor, a first humerus sensor, a second humerus sensor, a first ulna and radius sensor, a second ulna and radius sensor, a first metacarpal bone sensor, a second metacarpal bone sensor, a tail bone sensor, communication equipment and data receiving software of a ground base station. The head sensor, the first humerus sensor, the second humerus sensor, the first ulna and radius sensor, the second ulna and radius sensor, the first metacarpal bone sensor, the second metacarpal bone sensor, the tail bone sensor and a main development board are worn on a real bird body, and after a power supply is switched on, communication equipment and equipment of a ground base station are paired; and then the sensors on all bone positions are initialized, SPI, I2C and wireless communication are checked, the birds are released, and finally the flight attitudes of the birds can be observed through coupling parameters of a ground base station.

A prosthetic shoulder implant system includes a prosthetic humeral implant and a version device. The humeral implant includes a catch member aperture and a first locking pin aperture. The version device includes a rotatable member with a body and a flexure member, and a plate with a catch member and a projection contacting the flexure member. A first locking pin extends from the version device and is adapted to mate with the first locking pin aperture. In an unlocked condition of the system, the rotatable member has a first rotated position in which the flexure member is in an uncompressed state and the plate is in a first position, and in a locked condition of the system, the rotatable member has a second rotated position in which the flexure member is in a compressed state and the plate is in a second position proximal of the first position.