150 results about "Humeral joint" patented technology

The humeral portion of a shoulder prosthesis includes a diaphyseal component configured for fixation within the humerus, a metaphyseal component, configured for removable implantation within the metaphysis of the humerus, and an engagement mechanism for removably engaging the two components. The metaphyseal component can initially include a convex articulating surface that can be replaced with a concave surface during the shoulder arthroplasty procedure or in a subsequent revision surgery. The metaphyseal component can also include a feature to facilitate removal of the component from the bone once it has been disengaged from the diaphyseal component.

Embodiments of the present invention relate to methods, devices, and systems for shoulder joint replacement. One embodiment of a humeral head prosthesis includes a first face for positioning against a surface of a glenoid, a second face for attachment to the stem, and an oval shaped circumference wherein a major axis is oriented between a top position and a bottom position and wherein the major axis is to be generally oriented in a superior-inferior orientation when positioned for use.

Image analysis methods for gleno-humeral joint morphology. At least one specific structure is approximated as an elliptical structure at a plurality of transverse sections. At least one pathological feature on the structure is recognized. At least one structural spatial property of a 3D structure is calculated based on the structural property of the elliptical structure, thus determining the morphology of the 3D structure. Structural deformities are evaluated according to the morphology of the 3D structure. The pathological features on the sections are integrated to obtain at least one 3D pathological feature property, and a treatment is determined accordingly.

A humeral prosthetic head has a non-spherical articulation surface coupled with an intermediate component connecting the head and the humerus, the intermediate component connected to the epiphysis, metaphysis, or diaphysis, or to one or more additional components connected to the humerus. The intermediate portion provides for axial and angular offset of the head with respect to a connection to the humerus, using a curvilinear tapered engagement.

The invention discloses a flexible rope-driven elbow joint exoskeleton robot with a compensation device. The invention relates to the exoskeleton robot and aims at solving the problems that existing auxiliary rehabilitation equipment is single in function and not suitable for rehabilitation training. The robot comprises a back plate, a driving device, a shoulder joint device, a big arm device witha length adjusting function, a dislocation compensation device, an elbow joint flexion and extension device, an elbow joint self-rotation device, a forearm device with a length adjusting function andtwo sets of Bowden cables. The driving device is mounted on one side surface of the back plate; the shoulder joint device is mounted on one side of the back plate; the shoulder joint device, the bigarm device with the length adjusting function, the dislocation compensation device, the elbow joint flexion and extension device, the elbow joint self-rotation device and the forearm device with the length adjusting function are connected in sequence; one ends of the two sets of Bowden cables are connected to the driving device; the other end of one set of the Bowden cables is connected to the elbow joint flexion and extension device; and the other end of the other set of the Bowden cables is connected to the elbow joint self-rotation device. The robot is used for the field of rehabilitation training.

The invention provides an upper limb external skeleton device. The upper limb external skeleton device is installed on a wheelchair and used for assisting a patient suffering from upper and lower limb dysfunction in upper limb movement and active exercise. The upper limb external skeleton device is characterized by comprising a connecting and supporting mechanism, a shoulder joint motion mechanism, an elbow joint motion mechanism and a wrist joint motion mechanism, wherein the connecting and supporting mechanism is used for being connected with the wheelchair and supporting the external skeleton of the upper limb of the patient, and comprises a wheelchair fixing rod, a first wheelchair locking clamp, a supporting frame, a pulling rod and a single-end locking clamp; the shoulder joint motion mechanism is used for enabling the patient to do shoulder joint exercise and comprises a supporting disc, a rotating piece, an upper arm supporting piece and an upper arm rotating shaft piece, and when rotating, the rotating piece and the upper arm supporting piece drive the shoulder joints of the patient to stretch and retract; the elbow joint motion mechanism is used for enabling the patient to do elbow joint exercise and comprises an upper arm fixing piece, an upper elbow joint connecting piece, a lower elbow joint connecting piece and a forearm fixing piece; the wrist joint motion mechanism is used for enabling the patient to do wrist joint exercise and comprises a grip, flexural springs, a forearm adjusting rod and a forearm supporting piece which are connected in sequence.

The present invention belongs to the technical field of orthopedic rehabilitation treatment and particularly discloses a neck, waist and shoulder joint motion rehabilitation treatment device. A support plate is used for supporting a first air cylinder, a second air cylinder, a third air cylinder, a fourth air cylinder and four corresponding electric push rods, transverse and longitudinal chutes are respectively arranged in a head position, two upper side shoulder positions and a middle waist position of a bed plate, air bag massage devices are respectively arranged in the four transverse and longitudinal chutes, each air bag massage device comprises a slide block clamped in the corresponding transverse and longitudinal chute and a massage air bag fixed on the slide block, the slide blocksslide along the corresponding transverse and longitudinal chutes under the action of the corresponding electric push rods, so that the corresponding massage air bags are positioned at the adaptive positions of the neck, the shoulder and the waist of a patient to rehabilitate, and the neck, waist and shoulder joint motion rehabilitation treatment device can conduct synchronous massage of the necks,the shoulders and the waists of the patients with different heights and is excellent in massage effect by charging and discharging the corresponding air cylinders.

The invention discloses a reconfigurable exoskeleton upper limb rehabilitation robot for different body types. According to the reconfigurable exoskeleton upper limb rehabilitation robot, a shoulder joint internal and external rotation assembly, a scapulohumeral adjustment assembly, a shoulder joint flexion extension and retraction assembly, an upper arm length adjustment assembly, an upper arm rotary motion assembly, an elbow joint flexion and extension assembly, a forearm rotary motion assembly, a forearm length adjustment assembly and a wrist joint flexion and extension assembly are connected in sequence; the robot has six freedom degrees, and six-freedom-degree rehabilitation movement and compound movement of the upper limbs can be achieved corresponding to six active executing mechanisms; a liftable base is suitable for people with different heights; the scapulohumeral adjustment assembly is suitable for rising and sitting postures of different patients; the forearm length adjustment assembly and the upper arm length adjusting assembly are suitable for patients with different forearm and upper arm lengths. The reconfigurable exoskeleton upper limb rehabilitation robot has reconfigurability, multiple passive adjusting mechanisms, a left and right hand interchange using mode, and a light exoskeleton structure, requirements of patients with different disease conditions can bemet, and the treatment cost is reduced.

The invention is a modular composite shoulder prosthesis 64, whose construct incorporates a solid autogenous bone graft 50 to be used to replace the upper humerus in certain fracture types. The prosthesis comprises a stem 22 to be inserted in the canal of the humerus, an intermediary part reduced to a medial pillar 24 and a head which is a generally spherical cap 20 that is hollow. The head of the prosthesis being hollow and coated with an osteoconductive material, the lateral aspect of the medial pillar as well as the upper part of the stem being also coated with the same material, an epiphyso-metaphyseal space is delineated in which a solid autogenous bone graft is fitted. Union can be achieved between the coated parts of the prosthesis, the bone graft 50 and the tuberosities reattached to the humerus shaft, secured to holes 62 of the medial pillar and between themselves.

The invention relates to a humanoid robot system based on air cylinders and pneumatic muscles. Shoulder joints, elbow joints, wrist joints, fingers, waist joints, hip joints, knee joints, ankle jointsand toes of a humanoid robot are driven to move by using the air cylinders and the pneumatic muscles, and a function of completely simulating the movement of a person is achieved. The humanoid robotsystem is composed of linear cylinders, pneumatic rotary actuators, pneumatic muscles, bevel gears, vertebrae and connecting plates, wherein the plurality of linear cylinders drive the shoulder jointsto move, and the pneumatic rotary actuators are combined with the bevel gears to drive the elbow joints; the pneumatic muscles drive the wrist joints and the fingers, the plurality of pneumatic muscles drive the waist joints and the vertebrae, and the pneumatic rotary actuators are combined with parallelogram structures to drive lower limbs to move; and the shoulder joints, the elbow joints, thewrist joints, the waist joints, the hip joints, the knee joints and the ankle joints have 6 degrees of freedom, 1 degree of freedom, 2 degrees of freedom, 1 degree of freedom, 1 degree of freedom and2 degrees of freedom respectively. The humanoid robot system based on the air cylinders and the pneumatic muscles uses the air cylinders and the pneumatic muscles for driving, has the characteristicsof compact structure, good explosion-proof performance, multiple degrees of freedom and combination of rigidity and flexibility, and can be used for teaching and demonstration.

The invention discloses an elbow joint exoskeleton rehabilitation training robot which comprises a forearm exoskeleton, a big arm exoskeleton, a driving mechanism and a shoulder joint limiting protection mechanism, and the forearm exoskeleton and the big arm exoskeleton are used for being arranged at the forearm position and the big arm position of the upper limb of a patient in a sleeving mode respectively; the forearm exoskeleton and the big arm exoskeleton are hinged at positions corresponding to elbow joints of a patient; the shoulder joint limiting protection mechanism is used for limiting movement of the shoulder joint of the patient so that the included angle between the big arm and the trunk of the patient can be kept unchanged in the sagittal plane, and the shoulder joint limitingprotection mechanism can be detachably arranged at the end, close to the shoulder joint of the patient, of the big arm exoskeleton; the driving mechanism is used for driving the forearm exoskeleton to drive the forearm of the patient to bend and stretch around the elbow joint. The elbow joint exoskeleton rehabilitation training robot can be specially applied to elbow joint training, and thereforethe training effect of promoting elbow joint movement function recovery of a patient can be achieved.

The invention relates to an exoskeleton robot for upper limb rehabilitation training, which comprises a base, two shoulder joints, two elbow joints and two wrist joints. A shoulder joint, an elbow joint and a wrist joint are arranged on the two sides of the base in a mirror image mode. The shoulder joint is installed on the base, the elbow joint is installed on the shoulder joint, and the wrist joint is installed on the elbow joint. Each shoulder joint comprises a big arm connecting rod, a first joint, a second joint and a third joint; the elbow joint comprises an installation shell and a hydraulic cylinder placed in the installation shell, the installation shell is fixedly installed on the big arm connecting rod, the upper end of a hydraulic cylinder body of the hydraulic cylinder is rotationally connected with the top end of the installation shell, a piston rod of the hydraulic cylinder is rotationally connected with the wrist joint, and the wrist joint is rotationally installed on the installation shell. The exoskeleton robot is compact in structure, can be used for performing exercise rehabilitation treatment on patients with limited upper limb exercise functions caused by upper limb muscle damage or hemiplegia cerebral infarction and the like, and can reduce the labor intensity of rehabilitation training medical staff.

A tennis elbow pad assembly product for relieving the symptoms of lateral epicondylitis is disclosed. The tennis elbow pad assembly product includes an outer pouch formed of a moisture-impervious material. A pad is positioned in the pouch in substantially moisture-free conditions and sealed therein against entry of moisture until use. The pad is adapted for being positioned against and molded onto a forearm in the region of the elbow for lying in closely-conforming relation against and applying radially-directed pressure to the common tendon attachment and grasping and supination muscles associated with the radial-humeral joint and the lateral epicondyle of a forearm and hardened into a rigid structure for therapeutic use. The pad includes an initially flexible substrate impregnated or coated with a reactive system. The system remains stable when maintained in substantially moisture-free conditions and hardens upon exposure to moisture to form a rigid, self-supporting structure having a shape that conforms to the forearm to which the pad is molded during curing. The pad also includes a flexible outer layer enclosing the substrate and a support cooperating with the pad for maintaining the pad in its closely-conforming position against the forearm.

A system and method are provided for improving the positioning of a target anatomy relative to a robot to perform a medical procedure. The system and method is especially advantageous for complex procedures that require a large operational workspace and/or several manipulator orientation changes to execute a surgical plan in its entirety such as total knee arthroplasty (TKA), as well as any of a wide variety of other surgical procedures, orthopedic or otherwise, including hip arthroplasty, ligament reconstruction, and shoulder arthroplasty. Dynamic and controlled repositioning of the target anatomy promotes robotic surgical system access in a way that any static positioning of the target anatomy cannot thereby speeding a surgical process and extending the spatial range of operation of the robot and tools carried thereon.

The invention relates to a dynamic and static combined upper limb rehabilitation brace. The brace comprises an elbow joint support, a shoulder joint movable frame and a controller; the elbow joint support comprises a forearm fixing rod and an elbow fixing rod; the forearm fixing rod and the elbow fixing rod are movably connected, can be bent, are driven by a servo motor I to complete bending and unbending, and a brake I and an angle sensor assist in completing movement of upper limb elbow joints; the shoulder joint movable frame comprises a rotating disc, a disc driving supporting mechanism and an air cylinder; the rotating disc is connected to the elbow joint support through a movable connecting rod, a servo motor II, a servo motor driver and a brake II are arranged in the disc driving supporting mechanism and jointly drive the rotating disc to rotate to drive the elbow joint support to move, and the air cylinder adjusts the height of the upper limb rehabilitation brace; and the controller is a square box, a single-chip microcomputer is installed in the controller, and a control panel is arranged on the upper surface of the controller. The dynamic and static combined upper limb rehabilitation brace is used for simply and movably supporting the upper limb, and is simple in structure and easy to realize.

The invention relates to a hip or shoulder socket inlay setting instrument (10) comprising a grip section (11) and a suction element (12) that can be laid against the joint surface in a sealing fashion. The suction element (12) comprises a soft flexible molded part (13) tailored to the joint surface, said molded part is capable of being deformed using a pulling element (14) such that an (elevated) vacuum arises between the soft flexible molded part (13) and the joint surface upon abutment thereagainst.

The invention relates to the field of bone joint replacement surgical robots, and discloses a three-dimensional reconstruction method for a CT image of a bone joint replacement surgical robot and a computer-assisted orthopedic surgery system based on augmented reality. The method comprises the steps of firstly, acquiring bone segmentation data of a CT image; then generating a three-dimensional skeleton model according to the obtained skeleton segmentation data of the CT image; a video image matching algorithm based on improved SURF feature points is adopted, matching tracking is carried out on a target of a video image, then the spatial attitude of the target is solved, corresponding spatial transformation is carried out on a virtual three-dimensional object, and therefore the effect of augmented reality is achieved. The main purpose of the invention is to provide a technology capable of establishing a sufficiently complex and accurate three-dimensional image for three-dimensional reconstruction of a CT image of a patient before an operation, so that a surgical robot can autonomously complete hip joint, knee joint and shoulder joint replacement orthopedic operations by means of the technology.

The invention discloses a passive rehabilitation training multi-state awaking-promoting system for a patient in a vegetative state, and relates to a medical instrument. The system comprises a movable bed body, a track mechanism and a robot shell main body, wherein the movable bed body is matched on the track mechanism; a bed body power device is arranged between the movable bed body and the track mechanism; the track mechanism comprises an arc-shaped track main body and a bottom bracket; the arc-shaped track main body is fixedly supported on the bottom bracket; the bed body power device is matched with the arc-shaped track main body; the bed body power device is fixedly connected to the movable bed body; the robot shell main body is detachably connected on the movable bed body; a quasi motion driving mechanism is arranged in an armor that armor pieces on ankle joints, knee joints, hip joints, shoulder joints and elbow joints are movably connected; the armor is composed of two half shells which mutually cover; one side of one of the two half shells is hinged with one side of the other half shell; and a closed locking device is arranged between the other sides of the two half shells. The system can achieve an awaking-promoting purpose for the patient in the vegetative state.

The invention discloses a rehabilitation training device for generalized shoulder joints, and relates to the technical field of rehabilitation medical treatment equipment. The rehabilitation trainingdevice comprises an adjusting bracket, a shoulder blade belt motion assembly and a ball-and-socket joint motion assembly, wherein the adjusting bracket comprises a lifting column, an angle-adjusting support plate, an angle-adjusting motor, a slide rail support plate, a linear sliding rail and a flange type sliding block; the shoulder blade belt motion assembly comprises a first motor and a secondmotor; central lines of output shafts of the first motor and the second motor are converged at a point; the ball-and-socket joint motion assembly comprises a third motor, a fourth motor, a fifth motor, an upper arm machine frame, a fixed plate, a six-axis-force sensor and an upper arm support frame; and central lines of output shafts of a third motor, a fourth motor and a fifth motor are convergedat a point. Coordinated with the shoulder blade belt motion assembly arranged on a human body physiological structure, the device has six degrees of freedom, so that motions of bending/stretching, outreaching/inward-retracting and internal rotation/external rotation of the shoulder joints as well as motions of ascending/descending and forward heading/backward movement of ball-and-socket joints can be realized.

A manikin (1) comprising jointed body parts that are configurable to (1) closely mimic natural movement of corresponding body parts of a real baby and/or (2) closely mimic a range of poses or postures of a real baby. The baby manikin (1) includes a neck joint (11) (articulated ball and socket joint), a waist joint (12) (articulated ball and socket joint), a hip joint (13) (double ball and socket joint), two knee joints (14) (pin joints), two ankle joints (15) (articulated ball and socket joints), two shoulder joints (16) (double ball and socket joints), two elbow joints (17) (pin joints), and two wrist joints (18) (articulated ball and socket joints).