1263 results about "Lumbar" patented technology

The invention provides a seat comfort optimization calculation method based on a sensor and AI modeling, and the method comprises the steps: collecting the pressure distribution data of the sitting posture of a passenger and a spine contact area in real time through an attitude sensor and a pressure sensor which are disposed on a seat; a seat supporting area is divided into a cervical vertebra area, a thoracic vertebra area, a lumbar vertebra area and a sacrococcygeal area, and a pressure distribution prediction model of each area is established; constructing an input vector based on the average pressure, the maximum pressure, the pressure gravity center, the body type parameter and the pathological weight factor, and outputting a target support pressure value, a pressure avoiding curve and a neighbor cell migration proportion of each partition by using an artificial intelligence model; dynamic adjustment is achieved through the partitioned air bag and the driving unit, and secondary fine adjustment and protection are achieved in combination with feedback monitoring. The system comprises a posture sensing module, a pressure sensing module, a data processing module, a model building module, a regulation and control execution module and a feedback monitoring module, and self-adaptive regulation and control of different areas of the spine of a passenger can be achieved.

The invention provides an osteoporosis automatic diagnosis method and system based on position specific attention, and the method comprises the steps: carrying out the dual-channel enhancement preprocessing of a lumbar CT image, and generating an enhanced image taking the bone mineral density and the bone trabecula structure characteristics into consideration; inputting the enhanced image into a deep convolutional neural network for multi-scale feature extraction to obtain a feature map containing spatial semantic information; on the basis of the anatomical position index information, generating attention weighted features which highlight the key diagnosis area of the vertebral body; global pooling is carried out on the attention weighted features, and then comprehensive diagnosis features containing anatomical priori knowledge are constructed; and inputting the comprehensive diagnosis features into a classifier to realize centrum-level accurate diagnosis. According to the invention, the workload of radiologists can be effectively relieved, and the efficiency and coverage of osteoporosis screening can be improved. Especially under the condition that primary medical institutions are lack of experienced radiologists, the primary medical service level can be improved.

The embodiment of the invention discloses a waist muscle fatigue detection method and device, equipment and a medium. The method comprises the following steps: acquiring electromyographic signals and temperature data of waist muscles of a target user based on waist detection equipment, and acquiring a first fatigue degree grade of subjective evaluation of the target user; determining a second fatigue degree grade of the waist muscles according to the electromyographic signals and the temperature data; determining a target fatigue degree grade of a target user according to the first fatigue degree grade and the second fatigue degree grade; adjusting the working mode of the intelligent mattress according to the target fatigue degree grade; wherein the waist detection device is associated with the intelligent mattress. According to the technical scheme, the working mode of the mattress can be intelligently adjusted by monitoring the fatigue grade state of the waist muscles in real time, so that a personalized waist muscle relaxation scheme is provided, and the sleep quality of a target user is improved.

The invention relates to the technical field of spine correction, in particular to a spine correction traction force control method and system, and the safety, effectiveness and intelligent level of spine correction treatment are improved. The method comprises the following steps: dividing a spine into at least three sub-regions according to an anatomical structure of the spine; the at least three sub-regions comprise a cervical vertebra region, a thoracic vertebra region and a lumbar vertebra region; performing biomechanical data acquisition on each sub-region to obtain a spine state feature set corresponding to each sub-region; the spine state feature set at least comprises a pressure distribution feature, a bending angle feature and a muscle tension feature; for different sub-regions, inputting the spine state feature set into a corresponding spine correction state evaluation model to obtain a spine correction state score of each sub-region; the anatomical structure and functional importance of the spine are considered, and the comprehensive influence weight of each sub-region is obtained from a preset weight database;

A trunk-supporting exoskeleton for reducing muscle forces in a wearer's back during forward lumbar flexion comprises a supporting trunk, a first thigh link, a second thigh link, and an actuator, which includes an actuator first element and an actuator second element. When the wearer is in a forward-bent position, the actuator generates a first torque on the actuator first element and a second actuator torque on the actuator second element to generate extension torques between the first and second thigh links and the supporting trunk, thereby resisting bending motion of the supporting trunk in the forward-bent position. When the wearer is not in the forward-bent position, the actuator generates a substantially small first torque and second torque, resulting in small resistance to the movement of the thigh links relative to the supporting trunk during walking.

An adjustable bed with a smooth transitional profile includes a pair of lifting assemblies each having back lifting arm and a lumbar supporting mechanism coupled with the back lifting arm such that when the back lifting arm is positioned in parallel to a co-plane of the pair of side rails, the seat platform, the top back platform and the lower back platform are aligned in a co-plane, and the adjustable bed is in a plane state; and when the back lifting arm is driven to rotate in the upward or downward rotation direction, the lower back platform has an angle relative to the top back platform, the angle being less than 180° and greater than 90°; and the adjustable bed is in an adjusted state.

The invention provides a device for constructing an intervertebral disc degeneration model by using mouse simulation, and belongs to the technical field of medical research. Comprising a mounting base plate, a supporting rod is connected to the middle of the top of the mounting base plate, a top seat is fixedly connected to the top of the supporting rod, and a ring seat is fixedly connected to the inner side of the top seat. The body clamping mechanism can accurately clamp an animal body, is matched with an electric push rod to realize bending or unfolding of the body, and is matched with the limb positioning mechanism to improve the experiment suitability and assist in simulating the pathological process of human intervertebral disc degeneration, the limb positioning mechanism fixes the limbs of the animal through antiskid plates, and the device can adapt to animals with different sizes and is high in practicability. The rotating shaft design avoids animal limb fracture, the angle adjusting assembly and the arc-shaped displacement assembly enable the animal limbs to flexibly swing and move up and down, the convenience and the adjusting adaptation performance of the device are improved, and more accurate data and reliable experiment conditions are provided for lumbar vertebra pathological research on the whole.

The present invention relates generally to implants and tools for the fixation or fusion of joints or bone segments. These tools include tissue dilators and protectors. Other tools include broaches used to shape bores in bone. The tools can also include a system for removing an implant from bone. Implants can include assemblies of one or more implant structures that make possible the achievement of diverse interventions involving the fusion and / or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. Implants for fusing both sacroiliac joints of a patient include a long implant that extends across both sacroiliac joints.

A chair includes a back portion configured to engage a back of an occupant of the chair. The chair includes a frame and a conformable panel coupled to the frame. The conformable panel is configured to engage the back of the occupant of the chair, and the conformable panel includes a lumbar portion. A lumbar support mechanism is coupled to the frame. The lumbar support mechanism includes a base coupled to the frame and a lever pivotably coupled to the base. The lever comprises a shaft and a cam coupled to and being pivotable with the shaft relative to the base. A panel support translatably is coupled to the base and engaged with the cam. The lever is pivotable relative to the base to cause the cam to translate the panel support relative to the base and apply a force to the lumbar portion of the conformable panel.

The invention provides a lumbar cancellous bone CT value automatic calculation method and system based on deep learning, and relates to the technical field of medical image classification and segmentation. According to the method, firstly, lumbar vertebra CT images corresponding to a plurality of lumbar vertebra segments can be classified from a large number of CT images of a target object, and then threshold segmentation is carried out on the lumbar vertebra CT images based on image characteristics of the lumbar vertebra portions to obtain threshold segmentation images; then, the lumbar vertebra CT image serves as input, the threshold segmentation image serves as prompt information to be input into an image segmentation model, a lumbar vertebra cancellous bone area is obtained through segmentation, and finally the average pixel value of the lumbar vertebra cancellous bone area of each lumbar vertebra segment is obtained through calculation based on the segmentation result returned to the original Dicom-format lumbar vertebra CT image. And finally, obtaining a lumbar vertebra cancellous bone CT value result of each lumbar vertebra section. Therefore, the original Dicom data can be automatically processed, and the CT value of the lumbar cancellous bone can be accurately calculated through the deep learning model so as to assist doctors in diagnosis.

An exoskeleton is provided and includes a garment to be worn by a user, an exoskeleton interface provided on a backside of the user when wearing the garment, and an exoskeleton mechanism adapted to be connected to the garment via the exoskeleton interface. The exoskeleton mechanism includes an actuator system having a spring-loaded assembly coupled a torso anchor and pivotally coupled to a waist anchor, and a resilient element connected to the casing. The spring-loaded assembly is operable to generate a force upon deformation or deflection of the resilient element. The exoskeleton mechanism also includes actuator links rotatably coupled between the waist anchor and respective thigh anchors. Each actuator link is operatively coupled to and adapted to operate the spring-loaded assembly upon rotation of the casing or the actuator links. The force generated upon operation of the spring-loaded assembly is transferred to the user via the exoskeleton interface and the garment to assist the user in performing a movement.

Methods and systems for performing spinal cord stimulation in the cervical spine while sensing for an evoked response, such as an evoked synaptic action potential (ESAP) at a different location from the location of stimulation. A first lead may be positioned in the cervical spine for issuing therapy pulses, and sensing is performed at a thoracic or lumbar location, or a caudal cervical location relative to the location of stimulation. First and second leads may be used in a single system, or two separate systems, one for stimulation and another for sensing, may be used.

An expandable interbody spacer for placement between adjacent vertebrae having two or more upper and lower endplates and lateral expansion wedges configured to couple a drive means to expand both a height and a width of the expandable interbody spacer from a collapsed state to an expanded state.

The invention relates to a lumbar drainage tube decompression secondary fixing device which mainly solves the problem that in the prior art, a lumbar drainage tube fixing device cannot be individually adjusted according to the waist curve and the body shape of a patient. The device comprises a bottom frame, an adjusting mechanism and a supporting mechanism, the bending degree of the supporting mechanism is adjusted through the adjusting mechanism to adapt to waist curves of different patients, it is ensured that the supporting mechanism is tightly attached to the waist, and a drainage tube is prevented from being pressed. The supporting mechanism is composed of a plurality of bow plates and chain blocks, the chain blocks are connected through pins, and the angles of the bow plates can be adjusted according to needs. The adjusting mechanism is matched with the sliding table through the driving rod, so that the supporting mechanism can be stably adjusted to adapt to different body position changes of the patient, the pressure of the waist is relieved, and the drainage tube is prevented from being pressed. The device can effectively solve the problem that a traditional supporting device cannot be flexibly adjusted, the comfort of a patient is improved, complications caused by improper fixation are reduced, and the device has good application prospects.

The invention belongs to the technical field of intelligent cattle detection, and particularly relates to a cattle limp identification method based on back compensatory motion characteristics. According to the method, key parts of a cattle are positioned according to a back trunk point cloud image, then back compensation features are extracted, and cattle limp recognition is carried out according to the extracted features. The back compensation features are features extracted through deep analysis according to a cattle back movement stability mechanism, and comprise compensation movement features and / or compensation pose features; the compensatory motion characteristics comprise at least one of the average motion speed of the waist angle bone and / or the hip angle bone in the vertical direction, the average motion speed of the waist angle bone and / or the hip angle bone in the x direction, the landing speed of the rear hoof, the asymmetry of the hip angle bone and the sacrum height difference at the landing moment of the rear hoof; the compensatory pose features comprise at least one of the maximum height of the spine line contour, the fitting slope of the spine line contour and the height difference between the hip angle bone and the waist angle bone. The limp identification can be realized without training, and the identification efficiency is improved.

The utility model discloses an adjustable multifunctional ergonomic chair which comprises a chair seat, the lower surface of the chair seat is fixedly connected with a connecting frame, the back surface of the connecting frame is fixedly connected with a mounting plate, the inner wall of the mounting plate is in threaded connection with a screw rod, one end of the screw rod is movably connected with a limiting sleeve, and the other end of the screw rod is movably connected with a connecting rod. According to the adjustable multifunctional ergonomic chair, the rotating handle is pinched by hands, the screw rod is rotated, so that the tail bone support moves forwards or backwards on the chair seat, the tail bone support is adjusted to a proper position, a user can sit on the cushion of the chair seat at the moment, the protruding part of the cushion can be attached to the tail bone support, and therefore the user can sit on the adjustable multifunctional ergonomic chair. After a user sits down, the raised line on the tail bone support is just located at the position of a hip groove and is attached to the tail bone for supporting, and the arc-shaped block on the tail bone support is used for supporting the bottom of the lumbar vertebra, so that the bottom of the lumbar vertebra and the spine tail bone of the user of the ergonomic chair are supported, waist ache after long-time sitting is reduced, and the spine tail bone is prevented from being damaged.

The present invention discloses an active upper limb exoskeleton robot, belonging to the field of exoskeleton robot technology, comprising: a back exoskeleton, a left arm exoskeleton, and a right arm exoskeleton. The back exoskeleton is a flexible structure, the front surface of which contacts the human back, and can bend and deform along with the human spine when the human body bends. The left arm exoskeleton and the right arm exoskeleton are symmetrically arranged on either side of the back exoskeleton and are respectively rotatably mounted on the top of the back exoskeleton via shoulder joints. The shoulder joints have three degrees of freedom: flexion / extension, internal rotation / external rotation, and adduction / abduction, and the rotation axes of the three degrees of freedom are respectively consistent with the rotation axes of the corresponding degrees of freedom of the human shoulder joint. The robot realizes flexion / extension, internal rotation / external rotation, and adduction / abduction movements, and the robot's degrees of freedom of movement are consistent with the human joint's degrees of freedom. The elbow joint has one degree of freedom. The elastic lumbar vertebra can adapt to the bending and deformation of the human lumbar vertebra, increase the bending range, and improve wearer comfort.

This invention discloses a lead apron support exoskeleton structure, including an upper body frame, a lower body frame, and a lead apron. The upper body frame includes a back frame and a lead apron frame. The lead apron frame is equipped with shoulder supports, and the lower end of the lead apron frame is connected to the back frame. The shoulder area of ​​the lead apron is equipped with shoulder pads, which are connected to the shoulder supports. The lower body frame includes a lumbar exoskeleton, a thigh exoskeleton, a calf exoskeleton, and an ankle exoskeleton. The back frame is connected to the lumbar exoskeleton. The lumbar exoskeleton and the thigh exoskeleton are connected by a hip joint mechanism. The hip joint mechanism includes a hip joint connector and a hip joint three-degree-of-freedom hinge. The lumbar exoskeleton, hip joint connector, hip joint three-degree-of-freedom hinge, and thigh exoskeleton are connected in sequence, making the lead apron and exoskeleton easy to wear, compatible with any lead apron on the market, easy to assemble and disassemble, and lightweight.

1. The name of this design product: Lumbar support cushion (in the shape of the Chinese character "Fu"). 2. Purpose of this design product: This design product is a lumbar support cushion used to correct sitting posture. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a muscle fatigue detection method and device based on a multi-modal physiological information graph, electronic equipment and a storage medium, and relates to the field of biological information. The method comprises the steps that space-time synchronization signals of a target muscle group are acquired, and the space-time synchronization signals comprise electromyographic signals and muscle oxygen signals; performing data preprocessing on the space-time synchronization signal to extract a target characteristic parameter reflecting a muscle fatigue state; performing visualization processing based on the target characteristic parameters to obtain a multi-modal physiological information graph; and inputting the multi-modal physiological information graph as input data into a target detection model to obtain a muscle fatigue classification result. Therefore, the fusion of the multi-modal physiological information graph is realized based on the acquired space-time synchronization signal and the target detection model, then the identification of muscle fatigue is completed, the objectivity and accuracy of waist and back muscle fatigue detection and classification are finally improved, and an objective and effective prevention means is provided for preventing chronic lumbago and acute muscle injury.

The invention discloses a self-adaptive waist tracking method, a computer readable storage medium and an intelligent seat, the self-adaptive waist tracking method is used for the intelligent seat, the intelligent seat is provided with a pressure sensor array and a waist support adjusting mechanism, and the method comprises the following steps: acquiring real-time pressure data of a current user collected by the pressure sensor array; extracting pressure characteristic parameters according to the real-time pressure data, and determining the body type category of the current user according to the pressure characteristic parameters by using a pre-trained body type recognition model; determining a current sitting posture type and an initial pressure threshold value of the current user according to the real-time pressure data by utilizing a pre-trained sitting posture recognition model; determining a target pressure threshold value according to the real-time pressure data, the body type category and the initial pressure threshold value; according to the target pressure threshold value, supporting parameters of a waist support adjusting mechanism are adjusted, so that the waist support is matched with the waist state of the user. According to the self-adaptive waist-following method, personalized waist-following adaptation of the user in multiple scenes is realized.

A portable exercise machine useable for isometric exercise and conditioning of the multifidus muscle has a seat with an adjustable upwardly inclined arm member and an adjustable downwardly inclined leg member. A handle connected to the arm member is adapted to be gripped by the user to perform static muscle contraction and stretching. A foot rest connected to the leg member allows the user's heels to rotate downwardly forcing the pelvis to lock and isolate the multifidus muscle for stretching and strengthening.

The invention discloses a real-time intervention system for cervical and lumbar myalgia, and the system comprises an acceleration sensor which is used for detecting the acceleration change of the body of a driver; the electrical stimulation unit is used for providing electrical stimulation according to the acceleration change; the intelligent control module is used for adjusting working parameters of the electrical stimulation unit according to data detected by the acceleration sensor; the intelligent control module comprises a microprocessor and a deep learning engine; the electrical stimulation parameters are dynamically adjusted through the intelligent control module according to the acceleration change; a deep learning engine is embedded in the intelligent control module, and self-learning and optimization can be carried out according to the physiological data of the user. The physical state of a driver is monitored in real time, preventive or remission electrical stimulation is provided in time, possible events in the future are predicted through a CNN model, and an electrical stimulation strategy is continuously optimized by using a DQN algorithm. Noise interference is removed, the accuracy and reliability of data analysis are improved, and the effectiveness of subsequent processing is ensured.

The seat capable of improving the waist comfort degree comprises a back supporting piece assembly, a waist supporting piece and a sliding piece, a supporting arm extending forwards is arranged on the back supporting piece assembly, the sliding piece is arranged in a sliding groove of the supporting arm in a sliding mode, the waist supporting piece and the sliding piece are connected in a rotating mode, and a reset piece is arranged between the waist supporting piece and the sliding piece. Therefore, the waist supporting piece can move back and forth along with the sliding piece relative to the back supporting assembly and can also independently rotate relative to the sliding piece and the back supporting assembly. An adjusting supporting assembly is arranged between the sliding piece and the supporting arm and keeps the front-back position of the waist supporting piece, and meanwhile the waist supporting piece rotates on the sliding piece in a self-adaptive mode to be attached to the waist. When the waist leaves the waist supporting piece, the waist supporting piece is reset under the action of the reset piece; whether the waist supporting piece is adjusted back and forth to the comfortable position of different crowds, the waist of the human body is jacked forwards to provide better waist supporting, or the waist supporting piece rotates in a self-adaptive mode to be attached to the waist of the human body, the comfort of the seat for supporting the waist can be well improved.

The invention relates to the technical field of rehabilitation treatment, and discloses a lumbar vertebra rehabilitation exercise adjusting method and system based on HAPA and a storage medium. The method comprises the following steps: setting an HAPA psychological scale electronic questionnaire on a patient terminal, collecting answer data, and standardizing to obtain an HAPA psychological index; meanwhile, the waist three-axis angular speed, the myoelectricity root-mean-square value and the voice pain score are collected, and the exercise tolerance index is obtained. And inputting the HAPA psychological index and the exercise tolerance index into an exercise intensity mapping model to obtain an exercise intensity grade, and calling out corresponding parameters from a rehabilitation action library to form a basic training scheme. The exercise intensity grade, the exercise tolerance index and the corresponding threshold value are judged, the exercise parameters of the basic training scheme are correspondingly adjusted, the adjusted parameters and the patient completion degree are transmitted to a cloud end, and model self-learning is achieved. Personalized, intelligent and self-adaptive adjustment of lumbar vertebra rehabilitation training is achieved, and the training tolerance and the rehabilitation effect of a patient are improved.

The invention discloses a traction pressing reset device, and belongs to the technical field of medical instruments. In order to solve the problem that at present, the traction effect is poor due to the fact that multi-direction and multi-part cooperative traction cannot be achieved, the traction pressing reset device comprises a bed plate, the bed plate is provided with a groove and two supporting plates, and the bed plate further comprises a waist stretching mechanism, a neck stretching mechanism and a pelvic bone stretching mechanism; the waist stretching mechanism is mounted on the bed board and used for reducing the backward protrusion of the waist centrum; the neck stretching mechanism is movably installed on the bed board and located on the right side of the waist stretching mechanism, the traction force is applied to the neck, the indirect correcting and supporting effects on the lumbar curvature are achieved, and excessive kyphosis of the waist centrum is assisted to be reduced; the pelvis stretching mechanism is slidably mounted on the bed board and located on the left side of the waist stretching mechanism, transverse traction force is applied to the pelvis, counter-acting force is formed on the lumbar vertebra area, and therefore the abnormal kyphosis state of the waist centrum is adjusted and relieved in an auxiliary mode.

The invention relates to the technical field of plate cutting equipment, and discloses a cutting and feeding device which comprises a feeding part used for grabbing a plate body and a moving part used for moving the position of the grabbing part, the feeding part is arranged on the moving part, and the feeding part comprises the grabbing part used for adsorbing the plate body and a dust removing part used for removing dust on the surface of the plate body; the dust cleaning part can blow dust on the surface of the plate through composite airflow and form a negative pressure field for guiding the dust before the suction cup makes contact with the plate, and the composite airflow comprises spiral airflow in the tangential direction of the surface of the plate and central airflow perpendicular to the surface of the plate. Full-automatic grabbing, transferring and positioning of large-size plates are achieved, manual carrying is completely replaced, the feeding efficiency of the plates is effectively improved, and the risk of lumbar muscle strain caused by bowing and lifting and potential safety hazards such as falling and scratching of the plates are eliminated.

The invention discloses a semi-active bionic spine waist-back exoskeleton for assisting long-time stooping operation, which comprises a bionic spine power-assisted module which is worn on the back of a human body and is of a columnar structure, the bionic spine assisting module comprises three stretching variable-rigidity drivers which are connected together in series and achieve the rigidity adjusting function based on the negative pressure blocking principle, each stretching variable-rigidity driver simulates a vertebral body structure of the spine of the human body, and the adjacent stretching variable-rigidity drivers are connected through a universal joint module. The bionic spine assisting module rotates around the coronal axis and the sagittal axis of the human body through the universal joint module. According to the semi-active bionic spine waist and back exoskeleton, a new thought can be provided for the flexible wearable exoskeleton technology, and development and popularization of civil wearable auxiliary exoskeletons can be promoted.