45 results about "Femoral region" patented technology

A theater seat providing a multi-dimensional sense is provided which allows the audience to directly or indirectly sense various special effects to be absorbed in a movie by stimulating the audience's five senses and presenting environmental conditions substantially similar to the movie. The theater seat providing a multi-dimensional sense includes: a seat having a seat section, a backrest, and a headrest; a motion unit allowing the seat to move vertically, horizontally, and anteroposteriorly; a vibration unit applying local vibrations to a user's hips, femoral region, and back and waist; a speaker transmitting sounds to the user; an actuator stimulating the user's back and waist; an ejection device ejecting a predetermined special effect material to the user; and a controller controlling operations of the motion unit, the vibration unit, the speaker, the actuator, and the ejection device.

A moving device (1) capable of being operated easily and safely to move a person between various types of beds and chairs by supporting the femoral region and backbone of a person to be moved instead of by suspending the person to be moved by a belt or supporting the axillas and knees of the person, comprising a body frame (4) having a pair of right and left front wheels (2) and rear wheels (3) and having an open rear side, a column (14) erected on the body frame, a pair of right and left side seat parts (32) provided on a pair of right and left side arms (31) fixed to the column, a handrail frame body (46) fixed to the column and having an open rear side, a backbone supporting part (48) disposed at the rear of the seat parts, and a lifting mechanism capable of lifting the seat parts vertically, wherein the arms are formed in a crank-shape and connected pivotally to the column through longitudinal shafts positioned at the front of the knees of the person to be moved, and the seat parts are rotated eccentrically from the outside upper side to the inside lower side so as to insert the seat parts into the lower side of the femoral region while bypassing the knee parts of the person to be moved.

A passenger protecting device 10 for a vehicle has: a side airbag portion 20 that is accommodated at an interior of a side support portion 14B, and that, by receiving a supply of gas and inflating at a time of an oblique side collision of a vehicle, causes the side support portion 14B to bulge-out toward the seat upper side; and a seat cushion airbag portion 22 that is accommodated at an interior of the seat portion 14A, and that, by receiving a supply of gas and inflating at a time of an oblique side collision of the vehicle, causes the seat portion 14A to bulge-out toward the seat upper side and raises the femoral region D of the passenger P, and whose inflation is completed later than the side airbag portion 20.

An exercise aid device has a hip supporting member movable relative to a base, footrests movable relative to the base, drive means for driving the hip supporting member, body constitution estimating unit for estimating at least one of fat mass and muscle mass of a user, and a controller for the drive means. The controller controls the drive means such that a load acting on a femoral region by own weight of the user supported on the hip supporting member changes according to a relative positional displacement between the user's toe and trochanter major, the positional displacement is allowed in a direction of flexion and extension of knee joint of the user, and an angle of the knee joint is maintained substantially constant. In addition, since the controller controls the drive means by use of an output of the body constitution estimating unit, it is possible to provide an exercise with less burden to the knee joint and a suitable strength for the user.

The functional clothing article includes a body for receiving and supporting a femoral region, a hip region, an abdominal region and a waist region of a user. An abdominal support unit is provided at a front portion of the body to support the abdominal region. A hip support unit is provided at a rear portion of the body to elastically support the hip region. The hip supporting unit includes a fastening unit for detachably coupling the hip support unit to the abdominal support unit.

An exercise assisting apparatus (1) comprises: a seat (13) on which buttocks of a user (2) is sit; a stationary support base (12) for supporting the seat (13); a burden regulator (14) provided between the support base (12) and the seat (13), and for regulating a ratio of self weight of the user which is supported by the seat (13) so that a load due to the self weight of the user acting on leg portion of the user; and a driving mechanism (16) for driving the burden regulator (14) so that the ratio of self weight of the user supported by the seat varies as time passes. The burden regulator (14) couples the support base (12) and the seat (13) in a manner so that a portion of the seat (13) to which the buttocks of the user is sit is tilted between a first state where the portion becomes horizontal and a second state where the portion is slanted downward toward the foot side in a plane including one of femoral regions and the buttocks of the user. Thus, a space necessary for using the exercise assisting apparatus (1) can be narrowed, and strength of a material of the support base (12) can be lowered.

The invention relates to a wheelchair, and in particular relates to a convenient wheelchair convenient for a patient to get on / off a bed. The convenient wheelchair comprises a chair frame, a bottom frame and a chair seat plate, wherein the chair seat plate is fixed to the base through an elevating assembly; the chair seat plate can rotate freely relative to the base; and the elevating assembly can slide freely forward and backward relative to the bottom frame. By adopting the convenient wheelchair, a support platform is provided for the patient, is used for supporting the femoral region of the patient, has a function of moving forward and backward relative to a wheelchair main body and can rotate freely by 360 degrees, so that the patient can get on / off the bed with little assistance, and can even get on / off the bed without assistance.

A portable cushion that minimizes the blocking of blood circulation, stress, and pain in the femoral region caused by sitting on a chair for long hours or an extended time is provided. The overall shape of the cushion resembles human lungs connected to each other at the upper part with an upper surface that is flat, except for two wing portions. The wings are in a convex shape. The cushion is made of EP (Ethylene-Propylene Copolymer) rubber foam. A straight shallow center groove is concavely developed on the upper surface of the cushion along the direction of the wings. Two concave grooves, resembling hemi-oval shapes being cut along the long center axis thereof are developed on the flat upper surface of the seat cushion to receive ischial tuberosities of a user. A shell-shaped concave groove for receiving the coccyx of the user is developed on the rear part of the flat upper surface of the cushion between the two hemi-oval shape grooves. The front side of the cushion, between the two wings, is caved in for receiving and positioning of genitals of the user. The unique geometry of the cushion reduces the pressure to the ischial tuberosities and the coccyx of a user by maximizing the contact area and distribute the user's weight throughout the surface, while minimizing the blocking of blood circulation by minimizing the contact area of the wings of the cushion and the rear part of the thighs of the user.

To provide a seat having a high cushioning property, excellent in a drainage property, and suitable for outdoor use.A belt-shaped support member 30 for seat back is supported on an upper portion of a seat back frame 10, a belt-shaped support member 40 for seat cushion having end portions 42, 43 connected to a front portion of a seat cushion frame 20 is connected to a lower portion of the belt-shaped support member 30 for seat back, and a base support member 50 is disposed on a seat cushion. A surface cushion layer 60 with which a cushioning part for seat back and a cushioning part for seat cushion are integrally formed is disposed by being supported on the upper portion of the seat back frame 10 and the front portion of the seat cushion frame 20. The end portions 42, 43 of the belt-shaped support member 40 for seat cushion connected to the front portion of the seat cushion frame 20 work as a fulcrum for supporting a portion from the waist to the vicinity of the pelvis of a seated person, and an upper portion of the surface cushion layer 60 supported on the upper portion of the seat back frame 10 works as a fulcrum for supporting a portion from the femoral region to the vicinity of the hip of the seated person.

In a femoral support member 3 for a walking assistance device, the walking assistance device includes a power actuator (actuator 4) having a drive shaft and secured to a hip region of a wearer, and the femoral support member secures a free end of an assist force transmitting arm 5 extending from the drive shaft of the power actuator to a femoral region of the wearer. The present invention is characterized in that the femoral support member engages the femoral region of the wearer via a pad 23 provided with friction reducing means. The fact that the femoral region of the wearer is allowed to make a sliding contact with the femoral support member accommodates the relative movement between the support member and body owing to the disagreement between the axis of body movement (center of an articulate joint) and the point at which the power actuator / power transmitting arm engages the wearer's body. Therefore, the present invention is highly effective in minimizing the discomfort to the wearer.

Provided is a femoral support member (3) for a walking assistance device that includes a power actuator (actuator 4) having a drive shaft and secured to a hip region of a wearer, the femoral support member securing a free end of an assist force transmitting arm (5) extending from the drive shaft of the power actuator to a femoral region (T) of the wearer. The femoral support member engages the femoral part of the wearer via an air pad (27) filled with air. Thus, owing to the air cushioning action of the aid pad, the air pad can readily deform itself by a large displacement even when the wearer squats and the femoral region expands. By appropriately adjusting the air in the air pad, the femoral support member can be worn by a wearer in a highly favorable manner.

A cushion pan includes a front and rear support part that extends from the front end to the rear end of a seat cushion and faces the lower face of the femoral region of an occupant and side support parts that extend obliquely upward from both right and left side edges of the front and rear support part and face side faces of the buttocks of the occupant. In addition, the front and rear support part and the side support parts may be integrally formed to reduce the number of components and assembling steps.

The invention discloses an osteophyte recognition method and device, electronic equipment and a storage medium. The osteophyte recognition method comprises the following steps: acquiring a medical image; inputting the medical image into a trained first segmentation model to obtain a femur region and / or a tibia region and / or a fibula region and / or a patella region in the medical image; and inputting the femur region and / or the tibia region and / or the fibula region and / or the patella region into a trained second segmentation model to obtain a femur osteophyte and / or a tibia osteophyte and / or a fibula osteophyte and / or a patella osteophyte. Accordingly, the osteophyte can be quickly, accurately and intelligently identified by utilizing the first segmentation model and the second segmentation model. Doctors can be assisted in surgical planning, operation is easy, accuracy is high, and individual differences of patients can be met, and meanwhile, the accuracy of follow-up surgeries can be improved and a large amount of time can be saved for orthopedists by perfecting basis data of preoperative planning and guiding surgical planning and prosthesis selection.

A saddle for an exercise equipment for allowing a user to perform an exercise in a sitting posture is provided, which has the capability of suppressing variations in sitting posture to achieve stable exercise effects. The exercise equipment has a base, the saddle for supporting the user's buttocks, and a coupling mechanism configured to movably couple the saddle to the base such that a load acted on a leg by the user's own weight varies according to a relative positional displacement between a foot position and a position of center of gravity of the user, and also configured to limit a movable direction of the saddle such that a direction of the relative positional displacement between the foot position and the position of center of gravity is limited to a direction of flexion and extension of knee joint. The saddle has a pair of curved recesses at its outer periphery, which are configured such that parts of the femoral regions of the user fit the recesses.

The embodiment of the invention provides a hip joint CT image segmentation method and device, a storage medium and computer equipment. The method provided by the embodiment of the invention comprisesthe steps of segmenting a third hip joint CT image of a hip joint bone cortex area generated in advance through a graph cutting algorithm, and a left side pelvis area, a right side pelvis area, a leftfemur area and a right femur area are segmented; and adding the left-side pelvis area and the right-side pelvis area to obtain a pelvis area. According to the method of the invention, the image segmentation algorithm is improved in the hip joint CT image segmentation process, and the segmentation speed and segmentation accuracy of the hip joint CT image can be improved.

The invention relates to the technical field of medical image segmentation, in particular to a hip joint proximal femur segmentation method based on an improved U-Net neural network. The method comprises the following steps of: 1, acquiring a patient femur CT image, and preprocessing; 2, constructing a sample library, and marking a femur region to obtain a training set and a test set; 3, performing data enhancement on the training set; 4, constructing an improved U-Net neural network model; 5, training the improved U-Net neural network model; and 6, testing the trained improved U-Net neural network model, outputting a segmentation result, and evaluating the model to obtain model performance. According to the hip joint proximal femur segmentation method, the accuracy of segmentation of the hip joint proximal femur is improved, the segmentation result can serve as an important reference basis for femoral prosthesis reconstruction, the accuracy, objectivity and reliability of diagnosis are improved, and the method has important significance on development of target skeleton segmentation in medical images.

A seating support device of a wearable chair includes a femoral link extending in a direction where a femoral region extends and configured to be connected with the femoral region, a crural link extending in a direction where a crural region extends, and configured to be connected with the crural region, and including a housing that is coupled at an upper end thereof to a lower end of the femoral link to be rotatable relative thereto and a sliding part that is slidably coupled to the housing in a direction in which the housing extends, and a limiting device operated in conjunction with a relative rotation between the femoral link and the crural link to allow the sliding part to slide vertically and to prevent sliding between the sliding part and the housing in a state where an angle between the femoral link and the crural link is a seating angle.

A pannus retraction device includes a pannus contacting portion and a femoral region access opening. The device is positioned on the patient's thigh, and is moved to press the pannus away from the femoral access region, and to position the access opening in a desired zone. The device is secured in position so that the pannus is held away during a medical procedure requiring access to the femoral head.

The embodiment of the invention discloses a femur area and key point detection method and system, and the method comprises the steps: carrying out the image data preprocessing of a dicom femur image, and obtaining a hip joint image; marking coordinate points and key point coordinates of the left and right areas of the femur in the hip joint image, and performing normalization processing to obtain a data set required by a yolk model; setting parameters before training of the yolk model, so that the key point coordinates are loaded while the loading area detects the position; establishing a loss function of region detection and key point detection, and minimizing the loss function through a gradient descent method to obtain an improved yolo model; inputting the preprocessed image into the improved yolo model, and restoring the normalized coordinates to the position of the original image; and according to the area coordinates and the key point coordinates, drawing the restored coordinates in the original image to obtain left and right femur areas and key points. Besides predicting left and right femur areas, key points in the femur areas can be predicted, and a convenient and accurate automatic method is provided for calculating femur key indexes.

A wearable soft exoskeleton apparatus includes: a fluid supplying portion; and a soft exoskeleton portion which is connected to the fluid supplying portion and is configured to be able to be worn in legs of a user, a soft exoskeleton portion being made of elastic material to simulate motions of the legs and being provided with a fiber conduit through which fluid flows, the soft exoskeleton portion being inflated to support the legs of the user when the fluid is supplied to the fiber conduit from the fluid supplying portion. The soft exoskeleton portion includes: a fiber tube which is formed in a mesh type to be able to enclose a femoral region and a shinbone; and a fiber structure which is disposed within the fiber tube in a structure in which cells of a predetermined shape are connected to one another so as to form a plurality of the fiber conduits therein.

The invention discloses a method and a device for measuring a lower limb force line. The method comprises the following steps of firstly, acquiring a lower limb X-ray image original drawing, and performing preprocessing and image enhancement to obtain a lower limb full-length film; cutting the lower limb full-length film to obtain a hip joint image, a knee joint image and an ankle joint image; respectively extracting different key points according to a corresponding key point model, and further determining a caput femoris central point, a knee joint intercondylar fovea central point and a tibial plateau central point; obtaining a thighbone mechanical axis and a tibia mechanical axis according to each center point, processing a thighbone area image and a tibia area image to obtain a thighbone anatomical axis and a tibia anatomical axis respectively, and determining a first included angle and a second included angle according to the thighbone anatomical axis and the tibia anatomical axis; and determining the lower limb force line according to the thighbone center point and the ankle joint center point, and automatically calculating the lower limb force line and angle measurement thereof through an image processing method so as to improve the detection precision of the lower limb force line.

The invention relates to a method and device for automatically extracting lower limb femur and tibia axes and electronic equipment. The method comprises the steps that a full-length load original graph of the two lower limbs is obtained; obtaining a target image according to the double-lower-limb full-length load-bearing original image; based on a preset interception rule, intercepting a femur region image and a tibia region image from the target image; based on a preset first determination rule, determining a thighbone axis according to the thighbone region image; based on a preset second determination rule, determining a tibia axis according to the tibia region image; and marking the femur axis and the tibia axis in the target image based on a preset reduction rule. The method has the effect of quickly and accurately determining the axes of the thighbone and the tibia of the lower limb.

A golf hip-turn training device according to the present disclosure includes: an anchor section including a body having a band shape, a first ring coupled at a second side of the body, and a fixer that is formed at a first side of the body and configured to be coupled to a fixed object; a resistance load section including an elastic member that has a rope shape, and one or more second rings that are coupled to ends of the elastic member and fastened to the first ring; and a strap section having a loop band shape and including a third ring coupled at a first side of the strap section to hold the elastic member and to enable the elastic member to pivot around the third ring, wherein a second side is formed to wrap around a hip and a portion of a femoral region of a user.

The invention relates to the field of medical image processing, and discloses a femur neck fracture detection method and system based on weak supervision segmentation; the method comprises the steps:obtaining a detection image, inputting an obtained femur neck X-ray film into a constructed and trained detection neural network, and carrying out the detection of a femur part; obtaining a probability segmentation map P<probability and a femur neck region detection image P<detec>; acquiring the fracture type of the femur neck region, inputting the femur region detection image P<detec> into a constructed and trained classification network, and acquiring the type of the femur part fracture; acquiring a segmented fracture part, and inputting the femur region detection image P<detec> into a constructed and trained weak supervision segmentation network to obtain a segmented fracture part image P<seg>; and performing image fusion to obtain a femur neck region fracture image, and performing fusing on the segmented fracture part image P<seg> and the femur region detection image P<detec>to generate and output a femoral neck fracture region image. The femoral neck fracture is segmented througha weak supervision segmentation method, the detection precision is high, and the efficiency is high.

The invention relates to a knee joint CT image automatic segmentation method and apparatus, and an electronic device. The method comprises the steps of obtaining a knee joint original image; processing the original knee joint image according to a preset image processing rule to obtain a target image, wherein the target image comprises a background region and a target region; determining a target area according to a preset area determination rule and the target image, wherein the target area comprises a thighbone area, a tibia area, a fibula area and a patella area; determining a patella region according to a preset first determination rule and the target image; filling the patella region according to a preset filling rule to obtain a patella region boundary line; and determining a femur region boundary line, a tibia region boundary line and a fibula region boundary line according to a preset second determination rule. The knee joint CT image segmentation method has the advantages that the knee joint CT image can be automatically segmented, and the workload of doctors is reduced.