55 results about "Right knee" patented technology

A two-thirds prosthetic arthroplasty having a trochlear groove, a patello-femoral component, and either a lateral condyle or a medial condyle. The arthroplasty may be configured to be a prosthetic for either a right or left knee. The condyle and patello-femoral component are separated by a modified intercondylar notch that is blended to avoid protrusions or sharp angles. The prosthetic arthroplasty is inserted after preoperative MRI mapping of articular cartilage damage. The prosthetic arthroplasty may be cemented during surgery and the two-thirds design of the present invention obviates the problem of cement retrieval from remote parts of the prosthesis.

A knee pad construction includes a shaped cushion element with a concave interior with a recess having a flowable gel insert therein. The recess and insert are shaped to accommodate the left knee or the right knee of an individual.

A knee pad construction includes a shaped cushion element with a concave interior with a recess having a flowable gel insert therein. The recess and insert are shaped to accommodate the left knee or the right knee of an individual.

A knee pad construction includes a shaped cushion element with a concave interior with a recess having a flowable gel insert therein. The recess and insert are shaped to accommodate the left knee or the right knee of an individual.

The invention provides a walking state identification method based on a space vector between human body skeleton joints. The method comprises a step of identifying the joint three-dimensional coordinates of a human body skeleton after a human body is detected by using a Kinect camera, and a step of identifying a human body walking state according to the space vector formed between the joints of the human body skeleton. The step of identifying a human body walking state concretely comprises a step of extracting the three-dimensional coordinates of a left hipbone, a left knee, a right hipbone, a right knee, a left shoulder bone and a right shoulder bone needed by identification, a step of calculating the cosine value of the angle between the space vector formed by the left hipbone and the left knee and a vertical direction and a cosine value of the angle between the space vector formed by the right hipbone and the right knee and the vertical direction, a step of judging whether a target person is in a walking state through the cosine values of the two angles, and judging whether the target person in a walking state walks straight, turns left or turn right according to the angle cosine value of the space vector formed by the left shoulder bone and the right shoulder bone and a Kinect camera positive direction. According to the method, the three-dimensional coordinate data of the human body skeleton joints can be accurately obtained, and the attitude action of each frame of the target person is rapidly obtained.

A device for positioning a femoral tunnel during ACL reconstruction, the device comprising: a shaft having a lumen, the lumen defining a longitudinal axis; and a distal offset projection, at least a portion of the distal offset projection extending distally from the elongated shaft; and a single lateral reference member configured to reference a portion of a patient's anatomy, e.g., a PCL or a portion of the femoral notch, the lateral reference member located on one of the left or the right side of the device, wherein, on a second one of the left or the right side of the device, the device defines a void. Two devices may be employed to provide a set.

The invention relates to a Transformers toy, in particular to a Transformers robot toy and a method. The Transformers robot toy is characterized in that: the head is positioned on the trunk; three goods-font steering engines arranged vertically are arranged in a shell of the head; two steering engines arranged vertically are arranged in a left arm support of the trunk; two steering engines arranged vertically are arranged in a right arm support of the trunk; three goods-font steering engines arranged vertically are respectively arranged in chest and belly shells of the trunk; four steering engines are respectively arranged at the left and right thighs, the left and right knee joints, the left and right cruses and the left and right feet of the trunk; and a serial port signal wire of a micro control unit (MCU) of a master control circuit is connected with a communication circuit module RS485. Compared with the prior art, the Transformers robot toy has the advantages that: the structure is novel, a platform for allowing an amateur to program the robot is provided, the action and the form of the robot can be freely programmed, multiple units can receive control commands, and the robot is novel, flexible and high intelligent; and the method is low in implementation cost, convenient to use, safe and reliable.

The invention discloses agonist utilizing compression tights and a production method for the same. The agonist utilizing compression tights comprise a top and pants, wherein the top and the pants are made from nylon or extensible spandex materials; the top is formed by sewing front patchwork, left shoulder patch work, right shoulder patchwork, left elbow patchwork, right elbow patchwork, left arm patchwork, right arm patchwork, left waist patchwork, right waist patchwork, back patchwork, a left armpit fabric, a right armpit fabric and a rear waist fabric; the patchwork of the top has a warp shrinkage ranged from 69.31 to 94.95 percent and a weft shrinkage ranged from 79.47 to 91.59 percent; the pants are formed by sewing front abdominal patchwork, left thigh front patchwork, right thigh front patchwork, left thigh side patchwork, right thigh side patchwork, left knee patchwork, right knee patchwork, left leg patchwork, right leg patchwork, left hip patchwork, right hip patchwork, left thigh rear patchwork, right thigh rear patchwork, left ankle patchwork, right ankle patchwork, an air-permeable rear waist fabric and an air-permeable crotch fabric; the patchwork of the pants has a warp shrinkage ranged from 72.32 to 91.87 percent and a weft shrinkage ranged from 73.38 to 89.12 percent. According to the agonist utilizing compression tights and the production method for the same, agonists are utilized, the actions of the agonists are supported, and the fatigue of the agonists is retarded.

The invention provides an intelligent suit and a charging hanger thereof. The intelligent suit comprises a jacket and trousers, wherein the jacket and the trousers comprise sensors and controllers; the sensors and the controllers are connected; the jacket comprises 8 sensors which are located in the following positions: left and right wrists, left and right elbows, left and right shoulders, the back and the back waist; the trousers comprise 5 sensors which are located in the following positions: the back waist, left and right knees and left and right ankles; and the jacket and the trousers are equipped with capacitive touch buttons. The charging hanger comprises a power supply input interface connected with a mains supply, a charging circuit and wireless charging coils, wherein positions of the wireless charging coils of the hanger are matched with those of wireless charging coils of the intelligent suit. By means of the intelligent suit and the charging hanger thereof, detailed exercise condition of each athlete can be known without real-time following of the athlete, so that the work load of a coach can be reduced greatly, and a better effect can be achieved.

The invention relates to a foldable shifting vehicle. The foldable shifting vehicle comprises two side stands symmetrically arranged on the left side and the right side, a plurality of wheels arranged at the bottoms of the two side stands respectively, a pedal assembly which allows the feet to pedal thereon and is located between the two side stands, a knee support assembly for abutting against the knees and a base plate assembly for riding. The pedal assembly comprises a left pedal and a right pedal, wherein the left end of the left pedal is connected with the left side stand in a rotating mode, the right end of the right pedal is connected with the right side stand in a rotating mode, and the right end of the left pedal and the left end of the right pedal are connected in a rotating mode. The knee support assembly comprises a left knee support and a right knee support, wherein the left end of the left knee support is connected with the left side stand in a rotating mode, the right end of the right knee support is connected with the right side support in a rotating mode, and the right end of the left knee support is connected with the left end of the right knee support in a rotating mode. The base plate assembly comprises a left base plate and a right base plate, wherein the left end of the left base plate is connected with the left side stand in a rotating mode, and the right end of the right base plate is connected with the right side stand in a rotating mode. The foldable shifting vehicle can be folded and stored conveniently.

An assist apparatus includes: a shoulder harness; an actuator; a power transmission member connected to the actuator; a pulley support portion; a leg-side pulley; a knees-linking member; a left knee harness to be fitted to a left knee region of the wearer, the left knee harness being connected to a first end of the knees-linking member; a right knee harness to be fitted to a right knee region of the wearer, the right knee harness being connected to a second end of the knees-linking member; a posture detection device that detects a posture of the wearer; and a control device that controls the actuator based on information of the posture of the wearer, the posture being detected by the posture detection device.

A knee pad construction includes a shaped cushion element with a concave interior with a recess having a flowable gel insert therein. The recess and insert are shaped to accommodate the left knee or the right knee of an individual.

An exercise device is provided with a frame assembly including an inclined first leg including a stop member proximate a bottom end, and a mounting member at a top end; and an inclined second leg and including a support tube, a sliding tube slidably put on the support tube and having a top end pivotably secured to the mounting member, and a resilient detent in the support tube for locking the sliding and support tubes before and after length adjustment of the second leg; two opposite handlebars; and a sliding assembly including a sliding member slidably mounted on the first leg and being capable of sliding in a range from a position proximate the mounting member to the stop member, a left knee rest secured to left side of the sliding member, and a right knee rest secured to right side of the sliding member.

The opposite side faces of a seat face of a bicycle saddle or seat on which a driver is to be seated expand rearward. The expanded, side faces also expand downward to form a pair of left and right knee grip portions such that the knee grip portions may be held between the inner sides of the knees and / or the inner parts of the thighs of the driver. While the bicycle is moving, the driver can support the bicycle at the handle bar, the pedals and the knee grip portions. Therefore, the driver can improve the stability of the bicycle and maintain a good posture. Further, if the surface area of the knee grip portions is increased, then the knee grip portions can be held readily between the inner sides of the knees and the inner parts of the thighs. Accordingly, a wide range of beneficial operating positions is provided for the aggressive use of the bicycle in applications such as mountain bike racing.

A system and method for determining the gait profile of a user. The gait profiler system uses sensing systems that include inertial sensors configured to be positioned at the right and left foot-anklestructure, as well as spatial orientation of lower extremity body segments (shanks, thighs, and trunk) of the person for which the gait profile is to be determined. In an illustrative embodiment, thegait profiler system uses two additional inertial sensors at the left and right leg-knee or thigh- hip structure as well as sensors providing information indicative of the angular positions of the left and right knee and thigh, which may be provided by an exoskeieton or orthotic devices worn by the user. The determination of the gait profile of the user is then performed using biomechanics information about the user from the inertial sensors combined with the knee and hip angles.

The invention discloses a portable walking assistant mechanism functioning on knee joint. The mechanism comprises an output device, an assistant torque actuator and a drive force transmission component. The assistant torque actuator functions on the assistant torque actuating components of both the left and right knee joints respectively. The mechanism applies the human body weight as the drive force without the requirement of additional external power and energy inputs. The mechanism is based on the leverage principle and the structural principle of the crank-slider, applies the working manner of the left and right foot alternating input, uses the human body weight and uses the brake cable as the medium of drive force transmission. The left foot power output component provides drive force to the assistant torque actuating components of the right leg knee joint. The right foot power output component provides drive force to the assistant torque actuating components of the left leg knee joint. The torques are generated for assisting the bending and extending of both the left and right knee joints during the walking process to achieve the purpose of assisting the walking.

The application provides an exoskeleton control method, device and system for powered lower limbs. The system comprises a first motor controller, a second motor controller, a third motor controller, afourth motor controller and a master control unit, wherein the first motor controller and the second motor controller separately acquire left and right knee joint angles and left and right knee jointcurrent signals sent from left and right knee joint motors and send the left and right knee joint angles and the left and right knee joint current signals to the master control unit; the third motorcontroller and the fourth motor controller separately acquire left and right hip joint angles and left and right hip joint current signals sent from left and right hip joint motors and send the left and right hip joint angles and the left and right hip joint current signals to the master control unit; and the master control unit calculates distances from feet of exoskeletons to the ground and a ground acting force according to the left and right knee joint angles, the left and right knee joint current signals, the left and right hip joint angles and the left and right hip joint current signalsand controls the exoskeletons to execute corresponding movement actions according to the distances from the feet of the exoskeletons to the ground and the ground acting force. Thus, the cost of the exoskeletons of the lower limbs in the aspect of data acquisition can be reduced, the complexity of a control system is lowered, and the stability of movement of the exoskeletons is improved.

A novel system and method for controlling and stabilizing the swing mechanics of a golfer is disclosed. More specifically, a system for and method of stabilizing the right knee (the left knee for left handed golfers) of a golfer such that a critical knee flexion angle is maintained throughout the golf swing, the weight of the golfer is properly transferred, and the right hand side (left hand side for left handed golfers) is properly loaded for a reliable, consistent, controlled, and safe golf swing. The system and method further comprise use of a putting attachment that can be removably secured to a primary apparatus for controlling a golfer's stance through all phases of a putting stroke.

The present invention relates to a protective upper and lower body assemblies and protective suit comprising the same. The protective upper body assembly comprises a ventral and a dorsal padding panels, a left and a right shoulder fasteners, and a left and a right flank fasteners. Each of the ventral and the dorsal padding panels include at least two layers of resiliently compressible material and one layer of breathable material. The protective lower assembly comprises a left and a right upper thigh portions, a left and a right lower thigh portions, a left and a right knee shells, a left and a right lower leg portions, and a left and a right feet shells.

The invention discloses a posture correcting waistband which comprises a waistband body. A left knee band and a right knee band are arranged on the two sides of the waistband body respectively. The waistband body is composed of a waterproof fabric, a memory sponge and a mesh-shaped fabric from outside to inside. A mesh fabric bag is sewn on the mesh-shaped fabric and internally provided with a cold-compress or hot-compress medicine bag. A zipper is arranged on the outer circle of the waistband body, the left knee band and the right knee band can be stored in the waistband body, and the waistband is folded in two and sealed through the zipper so as to be convenient to carry. The posture correcting waistband is simple in structure and convenient to carry and use and can effectively adjust the stress on lumbar vertebra; through the linkage form of the legs and waist, the legs and waist form a triangular posture, and the sitting posture is adjusted into the sitting posture conforming to the ergonomics; meanwhile, through the cold-compress bag or the hot-compress bag, low back pains can be relieved and treated, and the posture correcting waistband can prevent and correct the low back paints, lumbar intervertebral disc prolapse and other symptoms caused by the vertebral deformation induced by the poor sitting posture after being worn for a long time.

The invention discloses an artificial limb for disabled people. The artificial limb comprises a waist tray, a waistband, a left thigh part, a right thigh part, a lift knee bearing, a right knee bearing, a left shank part, a right shank part, a left foot part and a right foot part, wherein the waistband penetrates through the waist tray, one end of the waistband is connected to the left thigh part, the other end of the waistband is connected to the right thigh part, the left thigh part and the left shank part are connected through the left knee bearing, the left shank part is connected to the left foot part, the right thigh part and the right shank part are connected through the right knee bearing, and the right shank part is connected to the right foot part. The artificial limb for the disabled people is suitable for amputees of which thighs or below are subjected to amputation, is designed for improving the life of the disabled, and is suitable for being used in daily life and exercising; through the adoption of a novel synthetic material, the weight of the artificial limb is reduced, thus the body burden on a user is alleviated when the artificial limb is used, and the user can move swiftly and flexibly; through the use of a 3D printing technology, the production cost of a product is lowered, the financial burden of the user is alleviated, and thus the crowd of buyers and users is enlarged.

The invention discloses a detection method for leaflet issuing behaviors. The detection method comprises the following steps: dividing a human body into 18 key points, namely a nose, a neck, a right shoulder, a right elbow, a right wrist, a left shoulder, a left elbow, a left wrist, a right hip, a right knee, a right ankle, a left hip, a left knee, a left ankle, a right eye, a left eye, a right ear and a left ear; arranging 17 limb skeletons, and the 17 limb skeletons are connecting lines of limb significance existing among the 18 key points; and when the camera or the camera directly faces the target person, establishing a behavior index of whether the target person issues the leaflet. The invention also discloses a detection system. Urban, street and city appearance managers are helped to quickly and effectively discover leaflet issuing behaviors, manpower is saved, event discovering and processing efficiency is improved, and the method has important value for development of smart cities.

The invention discloses a simulated dummy for testing the comfort level of an automobile seat, and the simulated dummy is characterized in that the simulated dummy comprises a simulated dummy body, and the simulated dummy body sequentially comprises a simulated skeleton layer, a simulated muscle layer, a simulated fat layer and a simulated skin layer from the inside to the outside; an upper trunkangle measuring instrument is arranged at the trunk corner of the simulated dummy body; a left thigh hip angle measuring instrument and a right thigh hip angle measuring instrument are respectively arranged at the left thigh angle and the right thigh angle of the simulation dummy body; a left thigh knee angle measuring instrument and a right thigh knee angle measuring instrument are respectivelyarranged at the left knee angle and the right knee angle of the simulated dummy body; a left foot angle measuring instrument and a right foot angle measuring instrument are arranged at the left ankleangle and the right ankle angle of the simulated dummy body, a waist area of the simulated dummy body is provided with a waist protrusion measuring scale, and pressure sensors are arranged on the back, the left thigh rear side and the right thigh rear side of the simulated dummy body. According to the invention, various sitting postures and forms of a human body can be truly simulated, and optimalsimulation of testing of the comfort level of the automobile seat by a real person can be realized.

The invention discloses an electric power personnel safety state intelligent identification method based on real-time step counting. The method comprises the steps of detecting and tracking a boundingbox of each person in a video picture based on a multi-target tracking algorithm, and allocating a personnel ID number, inputting the image in the bounding box of the person into a key point detection algorithm to obtain left and right ankle key points and left and right knee key points of the human body, and associating the left and right ankle key points with the bounding box of the person according to the personal ID number, calculating the step number through the key point data, generating personnel state information by the step number and the personnel ID number, and generating personnelsafety state information based on the personnel state information and a preset safety rule. Key points of all parts of a human body are accurately obtained by analyzing a video, accurate states are obtained, recognition is effectively carried out, violation states are reminded and early warned, non-standard behaviors are prevented in advance, only a camera needs to be used for shooting related pictures, other hardware does not need to be worn, deployment is convenient, the running speed is high, and the method is suitable for different scenes.

The invention discloses an inertial navigation system and method using a digital holographic technology. The system comprises a sensor module, a communication module and a digital holographic module;the sensor module is connected with the digital holographic module through the communication module; the sensor module comprises a first sensing unit, a second sensing unit, a third sensing unit, a fourth sensing unit, a fifth sensing unit, a sixth sensing unit, a seventh sensing unit, an eighth sensing unit and a ninth sensing unit, which are respectively worn on the left wrist, the right wrist,the left elbow, the right elbow, the left knee, the right knee, the left ankle, the right ankle and the middle of the waist of a user; the digital holographic module comprises a host and projection equipment; and the ninth sensing unit is connected with the host through the communication module. On the basis of the inertial navigation system, the disadvantage that indoor satellite signals of the traditional satellite positioning system are easily interfered can be overcome; relatively precise navigation data can be obtained without depending on external information; furthermore, the motion state of a wearer can be reflected in real time; and the inertial navigation system and method are suitable for a fire fighting scene complex in terrain and multiple in barrier.

A novel multiple camera calibration algorithm uses human joint points for matched key points. A recent machine-learning based human joint detector provides joint positions with labels (e.g. left wrist, right knee, and others). In single person situation, it directly provides matched key points between multiple cameras. Thus, the algorithm does not suffer a key-point matching problem, even in a very sparse camera configuration, which is challenging in the traditional image feature-based method. This algorithm provides easy setup for a multiple camera configuration for marker-less pose estimation.

The present invention relates to a protective upper and lower body assemblies and protective suit comprising the same. The protective upper body assembly comprises a ventral and a dorsal padding panels, a left and a right shoulder fasteners, and a left and a right flank fasteners. Each of the ventral and the dorsal padding panels include at least two layers of resiliently compressible material and one layer of breathable material. The protective lower assembly comprises a left and a right upper thigh portions, a left and a right lower thigh portions, a left and a right knee shells, a left and a right lower leg portions, and a left and a right feet shells.

Disclosed is an alarm clock borne solar robot lamp and an application. The alarm clock borne solar robot lamp comprises a solar panel, a left arm joint component, a left arm module, a front chest battery, a robot control system, an alarm clock borne hat modeling unit, a robot face lamp, a solar panel left bracket, a right arm module, a solar panel right bracket, a launch barrel substituted left hand unit, a left leg part, a left knee connector, a left caster, a right knee connector, a right leg part, a right caster, a nipper substituted right hand unit, a right forearm rotation motion bar, a right arm, a right power system converter, an upper right arm rotating module, a right arm joint component, a left power system converter and an upper left arm rotating module. The alarm clock borne solar robot lamp has the advantages that a lamp with a traditional single lighting function is integrated with popularization of science and intellectualization, and energy conservation and interestingness are achieved; the lamp having great market potential development and application in children lamp market, kindergarten market, popular science teaching material market and toy market is a breakthrough combinational innovation in technology and design process in the lamp industry.