1578 results about "Lumbar spine" 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.

A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to transfer programming data to the IPG. The stimulation command directs the programmable controller to stimulate the tissue in accordance with the programming data. The system may include a software-based programming system run on a computer such that the treating physician may program and adjust stimulation parameters.

A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to transfer programming data to the IPG. The stimulation command directs the programmable controller to stimulate the tissue in accordance with the programming data. The system may include a software-based programming system run on a computer such that the treating physician may program and adjust stimulation parameters.

The thoracolumbar vertebra fixing brace comprises a front chest supporting structure, a back supporting structure, an inflation and deflation device and a control module, the front chest supporting structure and the back supporting structure are connected and define a thoracolumbar vertebra clamping area, a front chest air bag set is arranged on the inner side of the front chest supporting structure, and the front chest air bag set is provided with a front chest pressure detection device; a back air bag set is arranged on the inner side of the back supporting structure and provided with a back pressure detection device. The chest air bag set and the back air bag set are both connected with the inflation and deflation device, and the chest pressure detection device, the back pressure detection device and the inflation and deflation device are all connected with the control module. The front chest air bag set and the back air bag set adjust the pressure value through inflation and deflation actions, the expectation of the pressure value applied to the thoracolumbar vertebra of a patient by a doctor can be achieved, standardization and scientization of the wearing and fixing tightness degree of the thoracolumbar vertebra fixing brace are facilitated, and the comfort degree of the patient is improved.

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.

A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to transfer programming data to the IPG. The stimulation command directs the programmable controller to stimulate the tissue in accordance with the programming data. The system may include a software-based programming system run on a computer such that the treating physician may program and adjust stimulation parameters.

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 baby carrier having a front carrier, a rear neck pad, and a spine support pad is provided. A lower edge of the front carrier is connected with a front waist strap. A left waist strap and a right waist strap are respectively extending from left and right sides of the front waist strap. A lower edge of the spine support pad abuts against lumbar spine to lighten loads of the lumbar spine and spine. A plurality of pressure relief blocks is disposed on an inner surface of the spine support pad for reducing sultry feeling. The front carrier, the left waist strap, the right waist strap, and the spine support pad are connected by a left band and a right band whose length are adjustable. Thereby the baby carrier easy to put on and off allows users to move their arms freely and have comfortable wearing experience.

The invention discloses a CT-based osteoporosis intelligent diagnosis method and system, and relates to the technical field of medical image diagnosis, and the method comprises the steps: carrying out the positioning of a lumbar region in an abdomen or thoracic and abdominal CT image through a deep learning model; digitally modeling the shape and the internal structure of the vertebral body; and automatic diagnosis of osteoporosis is completed. According to the method, full-automatic positioning, accurate segmentation and intelligent diagnosis of osteoporosis of the lumbar region in a conventional abdomen or thoracic and abdominal CT image are realized, the accuracy and efficiency of diagnosis are remarkably improved, and the problems of strong subjectivity and poor repeatability caused by dependence on manual sketching or simple threshold segmentation in a traditional method are solved; the method can be directly operated based on clinical conventional CT data, is beneficial to large-scale osteoporosis screening and early intervention, and has remarkable clinical popularization significance and technical progress value.

The invention relates to the technical field of traction treatment, in particular to a four-dimensional lumbar vertebra traction bed with a fixed-point massage function and a working method thereof, and the four-dimensional lumbar vertebra traction bed comprises an upper half bed body, a traction bed frame, a swinging bed frame, a rotating bed frame, an angulation bed frame and a massage mechanism; particularly, horizontal traction, flexion and extension traction, lateral flexion traction and rotary traction of the waist are achieved through three electric push rods, a traction motor and a rotary motor. Four-dimensional traction of the waist is achieved, and the traction effect is improved. And a massage mechanism is arranged below the waist, so that horizontal traction is realized, and waist massage is carried out at the same time. And the intervertebral disc tissue protrusion of the patient can be easily recovered and reset.

The utility model relates to the technical field of lumbar puncture practicing devices, and discloses a lumbar puncture practicing device based on ultrasonic guidance, which comprises a human body model, a lumbar vertebra model arranged on the back of the human body model, a puncture needle and an ultrasonic probe respectively arranged on one side of the lumbar vertebra model, and a replacement assembly arranged on one side of the lumbar vertebra model. After a lumbar vertebra model is punctured, only the pressing disc needs to be pressed towards one side, the pressing disc drives the sliding plate to slide on the inner side of the second sliding groove, meanwhile, the sliding plate compresses the first spring, at the moment, the push rod moves downwards, the locking block compresses the second spring, and then the second spring is replaced. When the training device is used, a new mounting frame and a new lumbar vertebra model can be replaced, the lumbar vertebra model which is used for many times can be conveniently replaced through the replacement assembly, the lumbar vertebra model can be rapidly replaced through simple pressing and pulling operation, the training device can be repeatedly used, and the teaching cost is reduced.

The invention discloses a teenager idiopathic scoliosis auxiliary diagnosis and evaluation system based on an X-ray film, and relates to the technical field of medical instruments. Comprising an image preprocessing module, a key point detection module, a Cobb angle measurement module and a Lenke typing module. According to the teenager idiopathic scoliosis auxiliary diagnosis and evaluation system based on the X-ray film, key point detection, automatic Cobb angle measurement and Lenke typing including bending type, lumbar vertebra correction type and thoracic vertebra sagittal view kyphosis typing of the standing position, the Bending position and the lateral position spine X-ray film are achieved, the accuracy, efficiency and reliability of auxiliary diagnosis are remarkably improved, and the system is suitable for popularization and application. And comprehensive support is provided for clinical diagnosis and treatment decision of scoliosis.

An electrode assembly (preferably in the form of a nerve cuff) comprises a base with first and second arms extending from opposite sides of the base, and which, in combination, define an arc. First and second electrically conductive electrodes extend along the inner surface of the first and second arms. Each electrode can comprise a single length of foil can or can comprise multiple discrete foil segments. The foils are electrically isolated from each other. Electrical wires, which are in electrical communication with the each of the foils, extend from the nerve cuff and are adapted to be electrically connected to a signal monitor. When the nerve cuff is applied to a nerve, the foils, in combination, substantially surround the nerve, with the first and second electrodes being on opposite sides of the nerve from each other. Also disclosed is a method of using the nerve cuff to monitor a nerve during a lumbar spinal surgery while the patient is anesthetized and paralyzed.

The invention provides a waist exoskeleton robot based on serial elastic drivers, and relates to the technical field of medical robots. The waist exoskeleton robot comprises two binding pieces, namely a lower binding piece and an upper binding piece arranged above the lower binding piece; the four series elastic drivers are arranged in a bilateral symmetry mode in pairs, the upper end of an upper connecting rod of each series elastic driver is rotatably connected with the waist protection plate of the upper binding piece, and the lower end of a lower connecting rod of each series elastic driver is rotatably connected with the waist protection plate of the lower binding piece. The device has the beneficial effects that the four elastic drivers connected in series generate upward driving force to jointly drive the upper binding piece and the lower binding piece to generate upward traction force, so that an upward traction effect is generated on the lumbar vertebra, and the lumbar vertebra is stretched in a standing posture and a sitting posture; waist muscle movement is simulated to achieve traction rehabilitation or rehabilitation exercise prescription training of the waist of the human body, the four series elastic drivers form a parallel mechanism, and the portability of the parallel waist exoskeleton is improved.

An interbody spinal implant / fusion cage and implant inserter system for facilitating interbody fusion in the lumbar spine using bone graft while reducing the number of passes made through the patient's disc space and the sensitive surrounding tissue by integrating bone graft delivery into the inserter system. The system combines insertion of the interbody implant with bone graft delivery directly into the disc space. The system includes the interbody implant, an interbody cover plate, an implant inserter assembly, a cover plate inserter, a bone graft plunger and a bone graft funnel. The inserter assembly includes a large rectangular cannula which attaches to a large rectangular posterior opening in the interbody implant instead of a round cannula. The rectangular cannula approximates the shape of the annulotomy and provides a larger cross-sectional area for passage of a much larger quantity of bone graft material without jamming. Related methods and kits are also disclosed.

Systems and methods for impingement analysis are disclosed herein. A method includes receiving a three-dimensional model of a human anatomy comprising a spinopelvic joint; receiving input related to a spinopelvic condition of a patient; determining at least one of a sacral slope or a lumbar lordosis of the patient based on the input; classifying the spinopelvic condition of the patient based on at least one of the sacral slope or the lumbar lordosis in a plurality of positions; modifying the three-dimensional model based on the spinopelvic condition and a placement of an implant; performing at least one simulation of one or more activities with the modified three-dimensional model; and displaying an impingement analysis on a display device based on the at least one simulation.

A lumbar interbody fusion device includes a first wing, a second wing, and a bridge. The bridge has an arcuate resting shape and include a first end connected to the first wing, a second end connected to the second wing, and at least one aperture extending through the bridge in a radial direction relative to the arcuate resting shape of the bridge. The bridge is elastically deformable such that a distance between the first wing and the second wing may vary according to elastic deformation of the bridge.

The invention belongs to a lumbar vertebra brace, and particularly relates to an intelligent self-adaptive lumbar vertebra rehabilitation brace combining targeted physiotherapy and biological feedback, which comprises a shell consisting of a front piece, side wings and a rear piece, the treatment module is arranged in the through hole area of the front piece and integrates a vibration actuating array, a flexible warming piece and a TENS electrode; the sensor module is provided with an overall detachable patch, and the sensor module integrates an interface pressure array, an IMU, an sEMG, an NTC and a PPT micro probe; the multi-cavity air bags are arranged along transition areas of the side wings and the front piece in a partitioned mode, and the micropump and the electromagnetic valve are connected with the multi-cavity air bags. One end of the self-adaptive winding adjusting module is arranged on the rear piece, the other end of the self-adaptive winding adjusting module is located in a winding cavity of the side wing and connected through a pull rope, the side wing end can be wound and stretched to adjust the tightness degree, vibration, heat and TENS parameter self-adaption are carried out on a pain point through PPT and sEMG feedback, lumbago can be reduced in a short time, and the curative effect can be quantified through PPT and myoelectricity.

A traction device comprising: a bed frame with a bed board placed on top of the bed frame, the bed board includes four bed board sections: wherein the first bed board section is movable, featuring an ergonomic cervical cushion, a head fixing device that fully encloses the head, and a chin strap; the second bed board section is fixed, equipped with multiple stoppers that are adjustable according to the users body shape, including shoulder stoppers for counteracting cervical traction and armpit stopper shafts for counteracting thoracic and lumbar traction; the third bed board section is movable, featuring an ergonomic lumbar cushion and iliac stoppers that are adjustable according to the users body shape; and the fourth bed board section is movable, with multiple foot fixing devices composed of an upper part shaped to the arc of the dorsum of the foot and a lower part shaped to the arc of the heel.

The invention discloses a lumbar disc herniation postoperative recurrence prediction system based on a multi-modal medical image, and belongs to the field of medical images. The lumbar disc herniation postoperative recurrence prediction model based on the multi-modal image is trained by using the lumbar vertebra image set, the feature true value corresponding to each image and the recurrence prediction label corresponding to each patient, and in the training process, model parameters are updated by using a stochastic gradient descent algorithm; and a trained lumbar disc herniation postoperative recurrence prediction model based on the multi-modal image is obtained. According to the method and the system, due to rich image features provided by the multi-modal image, the prediction network trained based on the multi-modal data shows higher accuracy in postoperative recurrence prediction of the lumbar disc herniation.

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 invention relates to the technical field of bone implants for minimally invasive surgery, and particularly discloses an implant for percutaneous minimally invasive thoracolumbar vertebral fracture, which comprises a vertebral body forming body, the vertebral body forming body comprises a vertebral body forming body head and a plurality of blade parts arranged at the rear end of the vertebral body forming body head in a surrounding manner, the vertebral body forming body head is provided with a needle guide hole penetrating along the axial direction, and the needle guide hole is communicated with the blade parts; a containing cavity is defined by the blade parts; the front end of the threaded guide rod and the head of the cone forming body are integrally formed, the needle guide hole penetrates through the threaded guide rod in the axial direction, and the rear end of the threaded guide rod extends out of the containing cavity; the pedicle screw is provided with a threaded hole penetrating in the axial direction, the threaded hole is in threaded connection with the threaded guide rod, the pedicle screw comprises a screw head and a threaded part arranged at the rear end of the screw head, and the screw head is arranged in the containing cavity and expands the blade part. According to the implant for the percutaneous minimally invasive thoracolumbar vertebral fracture, surgical wounds are reduced, the vertebral restoration effect is good, the stability of a vertebral formed body is guaranteed, and the surgical time can be saved.

The invention discloses a lumbar disc herniation identification method and system based on a CT image, and the method comprises the steps: carrying out the multi-dimensional projection slice processing of input CT image data, and obtaining a multi-dimensional feature projection slice image data set; according to the multi-dimensional feature projection slice image data set, constructing an adaptive expansion bounding box model, and automatically generating a segmentation boundary of the lumbar intervertebral disc by using a nonlinear constraint iteration function to obtain a lumbar intervertebral disc three-dimensional voxel model of a target segmentation area; for the lumbar intervertebral disc three-dimensional voxel model, outputting a high-dimensional lumbar vertebra texture feature vector by using a fiber enhanced tensor network; and according to the high-dimensional lumbar vertebra texture feature vector, combining anatomical appearance features of the lumbar intervertebral disc at different positions in the multi-dimensional projection slice to construct a multi-dimensional fusion label classification model so as to output a normal or protruding identification result of the lumbar intervertebral disc. According to the embodiment of the invention, modern image processing and deep learning technologies can be combined, and the recognition rate and accuracy of lumbar disc herniation can be effectively improved.

The invention discloses a cleaning device for a bedridden patient after an anterior cervical vertebra surgery in the orthopedics department, and belongs to the technical field of medical instruments. The cleaning device comprises a bed body and a cleaning mechanism, the cleaning mechanism is used for cleaning the body of the patient, the cleaning device further comprises a supporting plate used for supporting the patient, and the supporting plate is provided with a long-strip-shaped through groove in the length direction of the bed body; the telescopic mechanism can stretch out and draw back in the length direction of the through groove, and when the telescopic mechanism stretches out, the telescopic mechanism can apply supporting force to the body of the patient; the first driving mechanism is used for driving the supporting plate to rotate around the length direction of the bed body; the protection plates are arranged on the two sides of the supporting plate and used for applying supporting force to one side of the body of the patient when the supporting plate rotates. According to the cleaning device for the bedridden patient after the anterior cervical vertebra surgery in the orthopedics department, the cervical vertebra and the lumbar vertebra of the patient can be prevented from being excessively stressed when the back of the body of the bedridden patient after the anterior cervical vertebra surgery is cleaned, and therefore secondary damage to the surgical part of the neck of the patient is avoided.

The invention relates to the technical field of computer vision and deep learning algorithm optimization, in particular to an image processing method and system based on a fusion growing point optimization algorithm and a Unet network, and the method comprises the following steps: collecting a lumbar vertebra CT image, extracting the gray value and the HU value of each pixel in the image, marking a lumbar vertebra bone region, obtaining the density information of the lumbar vertebra bone region, and obtaining the density information of the lumbar vertebra bone region; analyzing the gradient of the lumbar vertebra, segmenting the initial region, obtaining information points of the basic region from the initial region, classifying, and generating initial structural features of the lumbar vertebra; according to the invention, by collecting the lumbar vertebra CT image and extracting the gray value and the HU value of the pixel, the density information of the lumbar vertebra bone region is obtained and preliminary segmentation is carried out, the gradient change of the region can be accurately analyzed, and a reliable basis is provided for the preliminary region of the image. In the process, the deviation of the lumbar vertebra bone form is successfully corrected by dynamically adjusting the image rotation angle and analyzing the angle difference of the boundary normal, so that the consistency of the form in the subsequent processing process is ensured.

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.

The invention relates to the technical field of lumbar vertebra traction apparatuses, in particular to a lumbar vertebra traction apparatus for traditional Chinese medicine bone fracture treatment, which comprises a lumbar vertebra traction assembly, a dynamic traction unit and a pyretic moxibustion auxiliary module, in order to solve the problems that in the prior art, common lumbar vertebra traction equipment only conducts static traction on the waist of a patient and is poor in curative effect on chronic lumbar muscle degeneration and other diseases, the static traction function is reserved, meanwhile, the dynamic traction function is achieved, periodic reciprocating traction can be conducted, and the traction effect is good. The device has the advantages of being simple in structure, convenient to use and particularly suitable for patients with bone fractures such as lumbar muscle degeneration, the muscle microcirculation can be improved through rhythmic stretching, the function of well improving lumbar muscle degeneration is achieved, auxiliary pyretic moxibustion can be automatically carried out on the lumbar vertebra position of a patient while traction is carried out, the treatment effect is further improved, an additional power source is not needed, and the device is convenient to use and particularly suitable for being used by the patients with the bone fractures such as the lumbar muscle degeneration.

1. The name of the product of this design: Waist support belt (SL001). 2. Purpose of the product with this appearance design: This product with this appearance design is a waist belt used for correction and fixation of the human lumbar spine. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. The product with this appearance design is a thin product, and the left view of design 1 is omitted; the product with this appearance design is a thin product, and the right view of design 1 is omitted; the product with this appearance design is a thin product, and the top view of design 1 is omitted; the product with this appearance design is a thin product, and the bottom view of design 1 is omitted; the product with this appearance design is a thin product, and the left view of design 2 is omitted; the product with this appearance design is a thin product, and the right view of design 2 is omitted; the product with this appearance design is a thin product, and the top view of design 2 is omitted; the product with this appearance design is a thin product, and the top view of design 2 is omitted. 6. Designate Design 1 as the base design.

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.

The invention discloses a sitting type lumbar traction chair and a matching device thereof, and relates to the field of furniture and the field of health care instruments. The sitting type lumbar traction chair is a conceptual invention and comprises two main parts: one part is a chair with a hanging mechanism, such as double guide rails, and the chair can be a chair in any form; and secondly, the waist support belt is provided with a hook, and the waist support belt part can be in any form, such as a hard type, a soft type and the like. A user wears the waist protecting belt, the hook is hung on a hanging mechanism of a chair, a half-sitting half-hanging state is achieved, and therefore the traction effect on the lumbar vertebra is achieved. The ratio of sitting to hanging can be adjusted by adjusting the distance between the waist support belt and the chair surface, so that the traction force is adjusted. The distance between the waist support belt and the chair surface can be adjusted in four modes; the length of the hook on the waist support belt is changed; a liftable seat surface of the chair; a cushion; a certain angle is formed between the two guide hanging rails of the hanging mechanism, when the position is moved, the waist support belt ascends, and the traction force is increased.