96 results about "Socket hip" patented technology

The present application belongs to the field of biomedical materials and computer aided design technology, and discloses a kind of porosity gradient adjustable hip joint prosthesis porous coating topological optimization method.The present application is aimed at solving the problems of existing design, such as unadjustable porosity distribution, gradient mutation, difficult to balance mechanical properties and bone integration, and the gap between topological optimization and manufacturing constraints.The method introduces nonlinear porosity gradient constraints and adaptive optimization mechanism in the process of topological optimization through the steps of geometric modeling and boundary condition definition, nonlinear porosity gradient field generation, finite element analysis, sensitivity analysis, density filtering and porosity constraint processing, optimization criterion updating and convergence judgment, and realizes the smooth transition of porosity from the core to the surface of the prosthesis.The present application can optimize the mechanical support and biological integration performance simultaneously, eliminate non-manufacturable structures, and adjust the gradient parameters and modularize the extension, providing an efficient and reliable calculation method for personalized hip joint prosthesis design, and having significant engineering and clinical application value.

A composite diaper is configured for use in conjunction with a spica cast having cast interior and outer surfaces and a waste-elimination opening defined therein for facilitating the wearer's elimination of bodily waste. The composite diaper comprises mutually attached inner and outer diaper-panel sets. The inner diaper-panel set includes front and rear inner panels, and the outer diaper-panel set includes front and rear outer panels. The front and rear inner panels are configured for insertion through the waste-elimination opening and disposition between the cast interior surface and, respectively, the wearer's abdomen and buttocks. The front and rear outer panels are configured for drawing up and fastening to one another over the cast exterior surface, thereby retaining the inner diaper-panel set in position and, depending on the specific configuration, providing a secondary layer of bodily-waste absorbency and containment and / or a layer of protection against waste leakage to the cast exterior.

The application provides a femoral stem prosthesis and a hip joint prosthesis with the same, wherein the femoral stem prosthesis comprises: a mounting block comprising a first block body and a second block body, the second block body being arranged on the side of the first block body, and the first block body and the second block body being capable of relative movement; a guide structure arranged between the first block body and the second block body, the guide structure extending along the axial direction of the first block body; a locking assembly arranged between the first block body and the second block body to fix the first block body and the second block body; a support column swingably arranged on the second block body, and an acetabular component arranged on the support column; and a fixing mechanism arranged below the first block body and capable of being inserted into the medullary cavity. The technical scheme of the application effectively solves the problem that the relative position of the neck stem of the femoral stem and the stem body cannot be adjusted in the related art.

The utility model discloses a kind of multi-posture lower limbs exoskeleton rehabilitation training devices, including bed-chair conversion mechanism, double scissor lifting mechanism, hip plate support mechanism, flexible lower limbs exoskeleton mechanism and power device.Bed-chair conversion mechanism is matched with tripod through electric push rod, realizes the conversion of lying, sitting posture and standing posture;Double scissor lifting mechanism adopts scissor structure and electric push rod to realize lifting, bottom is equipped with trundle;Hip plate support mechanism is matched with support rod by spring shaft, provides stable support under different postures;Flexible lower limbs exoskeleton mechanism includes hip joint and knee joint structure, hip joint is driven in parallel by Bowden cable and spring, knee joint is driven by electric push rod.The device is also provided with control handle, integrated rocker, OLED display, voice control and STM32 single-chip microcomputer, to facilitate patient flexible control.The utility model can realize the switching of multiple rehabilitation postures, improve rehabilitation training effect.

The utility model discloses a hip joint ball head fluorescent detection and cleaning exhaust frock, including top placing frame, the bottom mounting plate is connected to the below of top placing frame, the top mounting plate is connected to the top of bottom mounting plate, install the ball head and place the column on top mounting plate, and the hip joint ball head body is placed on the ball head and place the column, be provided with the airway flow through component on the bottom mounting plate, be provided with the draft tube on the bottom mounting plate, and the draft tube is linked together with airway flow through component, the one side of bottom mounting plate is provided with the valve body, after the hip joint ball head body removes the fluorescence liquid, and the water flow is injected from the draft tube in the stage of shower, and the water flow of injection passes through horizontal connecting hole, vertical communicating hole, air hole, and the liquid that the internal hole conical surface of hip joint ball head body is attached is washed effectively, and it is more convenient to wash, avoid the air resistance that the internal cavity is filled with gas, lead to cleaning fluid to be unable to contact cavity inner wall completely, cause local area cleaning blind area.

An apparatus for facilitating hip and neck rotation exercises includes a base platform and a seat configured to provide support to the legs during a hip rotation exercise. A cranial contraption is configured to support the head during a neck rotation exercise. The cranial contraption includes a pair of ear pads at sides of the cranial contraption to allow for a full range of neck movement. A set of chest pads supports the chest during hip and neck rotation exercises. Furthermore, the apparatus includes range controllers configured to control a range of motion of the hips and neck during hip and neck rotation exercises, and to adjust the resistance provided by first and second weight stacks. Further, lever mechanisms are configured to facilitate rotation of the seat or cranial contraption to the left or right to adjust a starting position while performing hip rotation and neck rotation exercises.

The utility model discloses a kind of leg plate mechanism applied to hip joint power-assisted exoskeleton, including leg bar, leg band mounting assembly and protection component, one end of leg bar is equipped with leg plate, leg band mounting assembly includes the leg band mounting hole being respectively arranged in the left and right sides of leg plate and the multiple groups of ventilation components being arranged between two leg band mounting holes, protection component includes the arc-shaped flap being respectively arranged in the upside and downside of leg plate, by being set as integrated component with leg plate and leg bar, the rigidity of overall structure can be guaranteed, the arc-shaped flap is respectively arranged in the upside and downside of leg plate, the length of setting arc-shaped flap is less than the length of leg plate, when the leg plate of different thickness of human leg is worn, the upper edge or lower edge of leg plate contacts human leg, stress concentration extrusion human leg occurs, and then improve wearing comfort, the utility model belongs to the field of robot design.

1. Name of the product in this design: Pet Hip Care Device. 2. Purpose of this product design: For intensive physical therapy and care of the hip joint and pelvis, which are prone to inflammation in pets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Hip-jointed walking exoskeleton robot (second generation). 2. Purpose of this design: This design is used for hip joint assistive walking and rehabilitation. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The application discloses a crotch exercise device and method, and belongs to the technical field of rehabilitation fitness equipment. The device comprises a double slide rail assembly, a seat assembly, two groups of driving exercise units and a damping linkage mechanism. The double slide rail assembly comprises parallel guide rail beams and sliding seats. The seat assembly spans the middle part and comprises pedal structures and a seat body. The two groups of driving exercise units are symmetrically arranged on the two sides of the seat body. The damping linkage mechanism is arranged on the upper surface of the seat body. The seat body, the pedal structure and the driving exercise unit are integrated and designed. The double-side synchronous opening and closing movement is realized through a scissor synchronous structure. The damping linkage mechanism has the functions of damping support and hip support. The exerciser can use hands and feet to complete the crotch adduction and abduction training. The movement track is stable, the force burden is small, the safety is high, and the device is suitable for the lower body exercise needs of pregnant women, hip joint rehabilitation people and the like. The stroke and the damping can be flexibly adjusted, and the exercise efficiency and comfort are significantly improved.

The utility model relates to exoskeleton technology, concretely is knee joint power-assisted walking device, including thigh part and shank, both are connected through knee joint, wherein the knee joint includes the hinge part I of setting in the lower extreme of thigh part, and the hinge part II of hinge connection with hinge part I, the drive module for driving knee joint is set in the upper end of thigh part, and drive module is driven the hinge part II deflection through the rope drive structure, power-assisted walking device is used for knee joint power assistance, and the hip joint needs the user to exert force alone, and the drive module for driving knee joint movement is not set in the knee joint, but moves to the upper part of thigh part, that is, the position close to the hip joint, and realizes the purpose of driving knee joint through the rope drive structure, this scheme can improve the gravity center of whole leg assembly, compared with the scheme that the existing drive module is set in the knee joint, when walking, the user, overcomes the leg assembly gravity work less, can effectively reduce the fatigue degree of hip joint.

This invention discloses a roping-driven humanoid robot with centralized drive arrangement and its compliant control method, belonging to the field of humanoid robot technology. The robot includes: an upper limb torso with joint modules centrally arranged in a Y-shape; an upper limb system comprising a series-connected three-degree-of-freedom parallel attitude-adjusting roping-driven humanoid shoulder joint, upper arm, tension-amplified constant-torque constant-stiffness roping-driven humanoid elbow joint, forearm, rotation-decoupling differential roping-driven humanoid wrist joint, and hand; a pelvic-like structure including a 6-RUHU parallel lumbar joint; and a lower limb system comprising a series-connected hip joint, thigh, tension-amplified constant-stiffness roping-driven knee joint, lower leg, differential roping-driven ankle joint, and foot. This invention also discloses a forceless sensing compliant control method based on a motor current and dynamics model. This invention achieves centralized center of gravity, lightweight design, wide-range constant torque output, and safe and flexible interaction, making it suitable for service, collaboration, and other humanoid robot application scenarios.

The application relates to the technical field of behavior feature recognition, and discloses an anti-crosstalk biological rehabilitation electrical signal safety control method and system in a high-density scene. The method comprises the following steps: calculating a bilateral average distance according to an environmental distance; calculating a surface electromyogram signal root mean square value according to an electromyogram original signal; analyzing a pelvis tilt angle standard deviation according to the pelvis tilt angle; calculating a hip joint adduction auxiliary torque according to the surface electromyogram signal root mean square value and a gait phase; calculating a hip joint coronal plane impedance value according to the gait phase and the pelvis tilt angle; calculating an intention state according to the surface electromyogram signal root mean square value, the pelvis tilt angle and a channel state; calculating a hip joint driving torque according to the hip joint adduction auxiliary torque and the hip joint coronal plane impedance value; and calculating a system mode according to the bilateral average distance, the surface electromyogram signal root mean square value and the pelvis tilt angle standard deviation. The application improves the lower limb rehabilitation training efficiency by adaptively adjusting the gait.

The utility model relates to a kind of dislocation-preventing nursing appliances for total hip replacement in the art of joint replacement nursing, including waist belt, the waist belt outside fixed with bracing plate, bracing plate both sides are equipped with connecting plate, two connecting plates bottom are equipped with leg protector, two leg protectors are connected by connecting assembly, for fixing leg, the bracing plate and connecting plate junction are equipped with limiting component, the limiting component includes with the fixed rotating plate of connecting plate one end, the rotating plate outer wall is fixed with rotating block, the bracing plate side close to rotating plate is equipped with two baffle, two baffle are located rotating plate outside, for the leg movement is limited. The utility model is convenient for fixing and controlling leg, avoid patient excessive activity hip joint, to avoid hip joint secondary injury.

This invention relates to the field of postpartum correction technology and discloses a postpartum pelvic and pelvic floor function recovery and correction device and method, including a corrective lying posture, a clamshell correction mechanism, a hip pressure mechanism, a leg contraction mechanism, and a leg micro-adjustment and deflection mechanism. By utilizing the sequential linkage of the four mechanisms of clamshell correction, hip pressure, leg contraction, and leg micro-adjustment and deflection, multi-dimensional synergistic correction of the postpartum pelvis and pelvic floor is achieved. It does not require the user to exert force and can accurately replicate clinical standard movements. It helps to correct pelvic separation, outward expansion, rotation and hip joint misalignment, tightens loose soft tissues around the pelvis, activates pelvic floor muscles, relieves abnormal hip tension, ensures the safety and effectiveness of correction, and achieves simultaneous progress in pelvic repositioning and pelvic floor function recovery.

The application discloses a hip joint angle prediction method based on environment perception fusion, and relates to the fields of artificial intelligence and rehabilitation robots. The method first acquires a depth image and kinematics data, extracts spatial statistical features of the depth image, performs non-uniform segmentation on the depth image, obtains a double-vision feature sequence through sinusoidal position encoding and physical position encoding, fuses the double-vision feature sequence with the kinematics data respectively, generates two angle prediction sequences, and finally performs environment perception fusion to output a hip joint angle. Compared with the prior art, the application has the advantages of adaptive fusion of multiple position encodings, can accurately predict the hip joint angle under variable terrains, and has strong adaptability to environment changes.

This invention provides a six-legged adsorption robot and its control method for inspecting offshore wind turbine blades. The robot comprises a double-layered body structure and a biomimetic single-leg structure. The double-layered body structure includes an upper and lower body, each equipped with a motion control system and a vacuum adsorption system. The vacuum adsorption system, in conjunction with a three-step gait, achieves alternating adsorption and vacuum breaking. The motion control system coordinates the robot's walking, turning, posture adjustment, and adsorption functions. The biomimetic single-leg structure includes a thigh, a middle leg, and a lower leg, corresponding to the hip, knee, and ankle joints, respectively. Each leg has three rotational degrees of freedom driven by a servo motor. Springs at the upper and lower parts of the lower leg are compressed to provide preload. The lower leg end is connected to a vacuum suction cup via a fisheye bearing, reducing the impact of landing and providing a passive rotational degree of freedom to adapt to stable adsorption on surfaces with varying curvature. This invention features lightweight structure, strong adaptability to surfaces with varying curvature, high control precision, and safety and reliability.

The present application relates to the technical field of surgical robots, and particularly relates to a handheld hip replacement surgery robot, which comprises a shell, a driving interface, a locking part, a base fixedly sleeved on the periphery of the driving interface, extrusion blocks and an adjusting ring, wherein the extrusion blocks are circumferentially arranged at the front end of the base and jointly define a central passage with the inner cavity of the base for receiving a handle of a surgical instrument; the adjusting ring is threadedly sleeved outside the base, and the inner wall of the adjusting ring is formed with extrusion surfaces matched with the outer surfaces of the extrusion blocks; the locking part is configured to, after the handle of the surgical instrument is inserted into the central passage, rotate the adjusting ring to drive the adjusting ring to move axially along the base, convert the axial displacement of the adjusting ring into synchronous radial extrusion force applied to the extrusion blocks through the interaction between the extrusion surfaces and the outer surfaces of the extrusion blocks, force the extrusion blocks to produce centripetal elastic deformation, and thus realize the multi-point uniform coating and rigid clamping of the handle of the surgical instrument; and an adjustable holding part is installed at the bottom of the shell.

An apparatus, system, and method for determining a position of a hip prosthesis in a bone of a patient includes determining a set of contact points between a femoral head of a femoral prosthesis and a cup liner of an acetabular cup to be implanted into a patient based on a mechanics model. The mechanics model is indicative of mechanical motion of a hip exhibited during performance of a set of ADL or at corresponding functional positions of the patient. In some embodiments, a mathematical model may be generated based on a plurality of sets of contact points determined using the mechanics model and subsequently used to determine a resultant set of contact points.

An anatomical gripping system comprising: a binding comprising: a substantially rigid spine; a calf shell mounted to the substantially rigid spine; an anterior shell; and a clamping mechanism connecting the anterior shell to the calf shell; wherein the calf shell comprises a flexible portion configured to selectively engage the superior portion of the calcaneus bone of a patient; and further wherein when the clamping mechanism applies a force to the flexible portion of the calf shell, the flexible portion of the calf shell is drawn into engagement with the superior portion of the calcaneus bone of the patient.

This invention discloses a variable stiffness lower limb exoskeleton robot based on a dielectric elastomer. The exoskeleton robot includes a lumbar support beam, two hip joint modules, two knee joint modules, and two ankle joint modules. A hip joint module is located at each end of the lumbar support beam. The lower ends of the hip joint modules are connected to the knee joint modules via hip joint connectors, and the lower ends of the knee joint modules are connected to the ankle joint modules via calf adjustment plates. This invention utilizes a novel driving principle based on dielectric elastomers, which are lightweight, have high energy density, and fast response speed, thus improving the exoskeleton robot's mobility. Based on the motion mechanism of human lower limb joints, the functions of each joint in the lower limb exoskeleton robot are optimized, enhancing its motion assistance performance. This invention can be well applied to lower limb medical rehabilitation, assisting hemiplegic patients in completing walking training, and has significant practical value.

An artificial hip joint prosthesis and a method for mounting the same are provided. The artificial hip joint prosthesis includes a spherical chamber and a ball head. An outer spherical surface of the ball head fits with an inner spherical surface of the spherical chamber to form a spherical hinge. An inner spherical surface of the spherical chamber has an opening in an elliptical shape or a similar shape with a long axis and a short axis, to allow insertion of the ball head. The long axis of the opening in the elliptical shape or the similar shape has a length A, and the short axis of the opening has a length B. The ball head is mounted inside the spherical chamber and has a diameter C, in which B<A≤C.

FIELD: traumatology; orthopedics.SUBSTANCE: used in the treatment of displaced fractures of both columns of the acetabulum (AC). After performing repositioning and metal osteosynthesis of the anterior column of the acetabulum, X-ray control is performed. A proximal support consisting of two halves is formed on bone rods inserted into the iliac bones. On the hip, on the bone rods, on the side of the acetabulum fracture, in a position of its internal rotation by 10° , a distal support along the outer surface is formed with the possibility of movement, distraction and lateralization. The proximal and distal supports are connected by rods, with the help of which distraction along the axis of the femur is performed by 2 cm and its lateralization by rods by 1.5 cm, the apparatus is stabilized, and X-ray control is performed.EFFECT: method ensures anatomically correct restoration of the acetabulum and its reliable stabilization, allowing the patient to be activated at an early stage due to the formation of a proximal support from two halves on bone rods inserted into the iliac bones, creating the ability to produce and maintain internal rotation of the hip, distraction and lateralization of the hip along its axis due to internal rotation of the hip by 10°, creating tension in the short external rotators of the hip.1 cl, 4 dwg, 1 ex

This invention relates to the field of medical care technology and discloses a shape memory alloy (NiTi) hip replacement proximal femoral anti-fracture device. It includes a fitting body, with a first clamping arm fixedly disposed at the mid-front end of the fitting body. A fourth connecting mechanism and a sixth connecting mechanism are fixedly disposed at the front end of the fitting body, symmetrically arranged on the upper and lower sides of the first clamping arm. This invention is simple to operate, provides firm fixation, and is practical and reliable. NiTi shape memory alloy possesses shape memory effect, superelasticity, and good biocompatibility. Using NiTi shape memory alloy as the raw material to prepare the encircling device, it is in a flat, extended state at low temperatures and recovers its designed curved shape after heating, firmly and effectively encircling the lesser trochanter. It is mainly applied in hip replacement surgery for elderly patients with femoral neck fractures and osteoporosis, effectively preventing proximal femoral splitting during femoral prosthesis wear.

The present application relates to the field of rehabilitation robots, in particular to a three-joint complete gait walking device, comprising a back connecting device, a hip joint movement mechanism, a knee joint movement mechanism and an ankle joint movement mechanism; the hip joint movement mechanism comprises a hip joint mounting plate, a thigh supporting rod and a thigh adjusting block, the hip joint mounting plate is arranged on a leg fixing mechanism, and the thigh adjusting block is adjustably arranged on the thigh supporting rod; the knee joint movement mechanism comprises a knee joint mounting plate, a calf adjusting block and a calf supporting rod, the knee joint mounting plate is arranged on the thigh adjusting block, and the calf supporting rod is adjustably arranged on the calf adjusting block; the ankle joint movement mechanism is arranged at the lower end of the calf supporting rod; driving mechanisms are arranged on the hip joint mounting plate and the knee joint mounting plate. The present application is used for gait training of patients with rehabilitation needs of walking disorders, the combined movement process is closer to normal gait walking, and it is more beneficial for gait training and improves the training effect.

Devices that are implantable within a patient's body, and more specifically, to implantable joints (e.g. hip joint, knee joint, shoulder joint, etc.) having a heating system. For example, a device implantable within a patient's body may include a first member configured to be coupled to a first bone and a second member configured to be coupled to a second bone, the first and second members being operatively coupled to form a moveable joint. A heating system may be configured to controllably heat at least a portion of the at least one of the first and second members. The heating system may include a controller operable to cause a heating element to apply heat based on one or more external conditions (e.g. temperature, humidity, etc.).

This invention belongs to the field of exoskeleton technology, specifically an anti-tipping lower limb exoskeleton device, comprising a lower limb exoskeleton and a balance system. The balance system includes a ring-shaped retainer and concentrically arranged ring-shaped isolation tubes, with a centrifugal device installed within the isolation tubes. The centrifugal device includes two counterweights evenly spaced along the ring channel and a ring-shaped connecting frame connecting all the counterweights, which can rotate in place within the isolation tubes. The balance system also includes a fan assembly, whose air duct connects to the isolation tubes and drives the airflow inside the ring channel. The fan assembly accelerates the airflow velocity within the ring channel, thereby driving the counterweights to rotate. The two high-speed centrifugal counterweights provide all-around support for the lower limb exoskeleton, preventing the user from tipping over. Furthermore, the balance system is positioned above the hip joint of the lower limb exoskeleton and does not directly act on the user, thus not affecting the user's experience with the exoskeleton.

The application provides a wearable lower limb outdoor walking aid exoskeleton robot and a control method thereof. The exoskeleton robot comprises a waist supporting mechanism, a waist adjusting mechanism arranged below the waist supporting mechanism, two hip joint exoskeleton mechanisms connected with the waist adjusting mechanism in a position-adjustable manner along the width of the waist adjusting mechanism, and two knee joint exoskeleton mechanisms connected with the power output ends of the corresponding hip joint exoskeleton mechanisms, wherein the knee joint exoskeleton mechanisms have an uphill and downhill mode and a flat ground mode. The application adopts a bionics design, simulates a musculoskeletal model of a mountainous organism, especially a snow leopard forelimb, and is coupled with the human body only at the waist, the thigh and the ankle joint, thereby forming a rigid-flexible coupled exoskeleton with outdoor walking capability, avoiding the human joint dislocation problem caused by the tight coupling of the knee joint, and improving the environmental adaptability of the structure through the assistance effect of the knee joint of the exoskeleton under different terrains.