11 results about "Limb length" patented technology

A riding posture optimization setting method includes the following steps: a) obtaining a riding action image of a rider when riding a bicycle; b) obtaining a set of limb lengths and a set of riding posture joint angles of the rider; c) establishing an optimization algorithm; d) adjusting the joint positions of the rider in the riding action image according to the horizontal positions and heights of the saddle and handlebar that can be adjusted by the bicycle, and correspondingly obtaining another set of adjusted riding posture joint angles, and substituting the adjusted riding posture joint angles into the optimization algorithm; e) repeatedly performing step d), selecting the minimum value in the calculation results of the optimization algorithm F, and obtaining the horizontal positions and heights of the saddle and handlebar corresponding to the minimum value. In this way, the optimized riding posture can be obtained.

The utility model discloses a limb restraint structure for nursing in an anesthesia recovery room, which belongs to the technical field of anesthesia recovery nursing and comprises a bed body, a first side plate and a second side plate are respectively arranged at two ends of two sides of the top of the bed body in a sliding manner, and the same sides of the first side plate and the second side plate are movably connected with movable plates through movable connecting seats. A restraint strap is arranged at the tail end of the movable plate, sliding grooves are formed in the ends, provided with the movable plate, of the first side plate and the second side plate, screw rods are movably connected to the interiors of the sliding grooves through bearings, movable blocks are spirally connected to the peripheries of the screw rods, and ejector rods are arranged on one sides of the exteriors of the movable blocks; the first side plate and the second side plate which slide through the T-shaped groove and the T-shaped block are arranged on the two sides of the bed body and matched with the screw rod, the ejector rod and the movable plate, so that the purpose of adjusting the position of the restraint strap is achieved, the position of the restraint strap can be properly adjusted according to the height and the limb length when the limbs of a patient are restrained, and the restraint strap is convenient to use. And the device can be more adaptive to a patient.

The invention relates to the technical field of humanoid robots, and discloses a humanoid robot leg structure which comprises a hip structure and further comprises a thigh structure which comprises a rotating part and an extending part, the rotating part is connected with the hip structure, and the extending part is connected with the rotating part; the rotating part and the extending part are respectively used for driving the thigh to rotate and adjusting the length of the thigh; the knee structure is mounted on the extension part, can rotate relative to the thigh structure and can swing back and forth along the thigh structure; the shank structure is mounted on the knee structure and used for adjusting the length of the shank; the foot structure comprises an autorotation part, an adjusting part and a foot plate, the autorotation part is connected with the shank structure, the adjusting part is connected with the autorotation part, and the foot plate is connected with the adjusting part; according to the robot, more movement automation degrees, variable limb lengths and better bionic characteristics can be realized while compact structure and accurate control are ensured, and the movement performance and adaptive capacity of the robot are improved.

A joint rotational exercise and stretching tool for strengthening muscles and connective tissues, particularly for shoulder internal and external rotation, with further applicability to the wrist, elbow, and hip. The device includes a mount, torque-generating mechanism, and ergonomic lever arm configured to align with anatomical joint axes. It enables concentric, eccentric, isometric, and passive modes of use. Unlike traditional tools that provide linear resistance or partial-range torque, this invention delivers continuous rotational resistance across the full arc of motion. Configurable mounting and ergonomic adjustments allow use across various joints, limb lengths, and exercise positions. Suitable for rehabilitation, injury prevention, and performance training in clinical, home, or athletic environments.

The invention belongs to the field of medical technical instruments, and particularly discloses a fixing device for a small arm bone fracture callus formation period, which comprises an upper arm fixing and limb length adjusting assembly, a small arm angle adjusting assembly and a small arm clamping assembly, the upper arm fixing ring is an elastic arc-shaped plate and is fixed through a hook-and-loop fastener bandage, the outer side of the upper arm fixing ring is connected with the upper arm supporting frame, and a sliding adjusting structure of the upper arm supporting frame and the upper arm support can adapt to the limb lengths of different patients. A shaft seat at the bottom of the upper arm support is matched with a rotating shaft to adjust the angle of the forearm support, a lead screw transmission structure in the forearm supporting frame drives an arc-shaped clamping plate to clamp the forearm to fix, the clamping plate is provided with an air hole, a rubber gasket and a fixing ring are arranged on the supporting frame, a buffering pad is arranged on the inner side of the clamping plate, and the forearm supporting frame is connected with a shoulder strap through a buckle. According to the device, practicability and comfort are both considered, all assemblies can be adjusted, the forearm can be accurately fixed, the requirements of different patients are met, the comfort is improved, the complication risk is reduced, the structure is compact, and operation is convenient and fast.

The application discloses the technical fields of medical devices, and is a kind of for newborn's limb development degree detection device, including measuring table, the surface of measuring table is connected with measuring disc, the surface of measuring table is connected with mounting seat, limiting rod is connected on mounting seat, measuring mechanism is connected on limiting rod, the measuring mechanism includes the lifting platform connected on screw rod, the surface of lifting platform is connected with slide rail, and slide rail is located above measuring disc, and slide groove is arranged in slide rail, the structure of the present application can be detected by measuring mechanism, and the limb development degree of newborn, and measuring mechanism stimulates newborn limb activity by non-contact wind, so that newborn is in the state of self-control activity, the limb activity range of newborn is monitored, and the limb length of newborn is detected, and the limb development degree of newborn is detected by actual length and actual activity range.

The utility model discloses an orthopedics department postoperative joint recovery training device, relates to medical instrument technical field, including seat and two training rod, one side of seat is fixedly equipped with the backrest, the bottom of seat is fixedly equipped with two lower mounting plate, both sides of backrest are fixedly equipped with side mounting plate, the side mounting plate is equipped with the lower mounting plate, the lower mounting plate is equipped with the lower mounting plate, the lower mounting plate is equipped with the lower mounting plate, and the lower mounting plate is equipped with the lower mounting plate. Mounting grooves are formed in the lower mounting plate and the side mounting plates, the training rods are matched with the mounting grooves, a plurality of inserting holes are formed in the bottom of each training rod, pull grooves are formed in the lower mounting plate and the side mounting plates and located below the mounting grooves, and sliding rods are slidably mounted in the pull grooves; the detachable training rod has the advantages that the training rod can be detached and installed on a training part for use according to different postoperative parts of patients, training can be conveniently carried out according to the different patients, compatibility is high, detaching and replacing are convenient and fast, the training length of the training rod can be adjusted according to the limb lengths of the different patients, and adjusting is convenient and fast.

The present inventions relate to a system and method for altering growth of bones. More precisely, the system is an orthopedic apparatus for correcting rotational deformities and limb length discrepancies. A system of cable-couplings with linking members is used, the linking members being posts or screws traversing bones. Due to the flexibility and adaptability of the system and its components, the cable-coupling members may be installed at varying angles and locations while allowing for growth arrest or rotational corrections of said bones. A method to limit growth using cable-couplings systems is also provided.

The invention relates to a card clothing (20) for a card (1), and to a card (1). The card clothing (20) has a working direction (16), a foundation (21) and a plurality of clothing tips (26). The clothing tips (26) are formed from U-shaped wire hooks (22) which are pierced through the foundation (21) at a penetration angle (α) and each have limbs (24) forming two clothing tips (26) and a back (23) connecting the two limbs (24). The backs (23) are at a right angle to the working direction (16). The backs (23) form a base plane (29) on a side of the foundation (21) lying opposite the clothing tips (26). The wire hooks (22) have a total height (a) perpendicular to the base plane (29), and the limbs (24) each have a free limb length (c) perpendicular to the base plane (29) protruding from an exit point (27) out of the foundation (21) to the clothing tip (26). The limbs (24) are bent counter to the working direction (16) by a knee angle (β) at a knee height (b) from the clothing tip (26) and perpendicular to the base plane (29). Furthermore, a setting line (28) running perpendicularly to the base line (29) and through the exit point (27) of the respective limb (24) is determined. The clothing tips (26) are arranged on the setting line (28) or by a tip offset (d) away from the setting line (28) in the working direction (16).

The application discloses a kind of evaluation visualization method and system of cheerleading video, wherein the evaluation visualization method of cheerleading video includes: extracting three-dimensional human posture in cheerleading video based on human posture estimation;Three-dimensional human posture is standardized as standardization posture skeleton information based on limb length and rotation angle hierarchical representation;Similarity data is obtained by comparing standardization posture skeleton information with reference posture skeleton information and calculating;Nonlinear dimensionality reduction clustering analysis is carried out based on similarity data, and the group characteristics after dimensionality reduction clustering are explained based on the characteristic expression obtained by calculation;Three-dimensional human posture, similarity data, nonlinear dimensionality reduction clustering analysis result is visualized and displayed.It improves the accuracy of human posture estimation, and the standardization processing of three-dimensional human posture, overcome the error of limb and shooting error, extract group characteristics and provide readable analysis results, provide a complete solution for cheerleading online education.

The invention discloses a reduction fixing device based on orthopedic clinical use, relates to the technical field of orthopedic clinical treatment, and provides the following scheme that the reduction fixing device comprises a first fixing ring, a second fixing ring and a third fixing ring, and further comprises a distance adjusting mechanism used for accurately adjusting the distance among the three fixing rings according to the limb length or treatment requirements of a patient; and the skeleton reduction mechanism is used for aiming at fracture or dislocation parts of the patient. Through cooperation of the threaded sleeve and the threaded rod, stepless adjustment of the distance between the fixing rings is achieved, the device is suitable for limb lengths and parts of different patients, the bone reduction mechanism can slide along the extension rod and be locked, the angle and position of the reduction needle can be flexibly adjusted, the traction requirements of different fracture types are met, and the traction effect is good. The fixing mechanism is matched with the perimeter of the limb by adjusting the number of the clamping blocks, the device is prevented from loosening by combining double locking of a trapezoidal sliding block and a bolt, meanwhile, two to three fixing rings are supported for combined use, and various orthopedic clinical scenes from short limbs to long limbs can be covered.