216 results about "Pelvis" patented technology

The invention relates to the technical field of motion detection, in particular to an old people falling early warning system based on motion trail analysis, which comprises a gravity center identification module, a trend identification module, an inertia pushing module, a phase judgment module and a grade response module. According to the method, the vertical coordinates of the key points of the waist and the two feet in the image frame are acquired, and the height difference change is continuously tracked, so that the potential falling initial state can be identified from the static posture, the vector included angles among the three groups of bone points of the hip knee, the knee ankle and the shoulder pelvis are subjected to sequence analysis, and whether synchronous disintegration occurs in the coordination action is identified; the identified trend sequence is mapped according to the risk level, a differential response mechanism is applied, a high-density corresponding relation is constructed between the behavior trend and the alarm level, graded response and time sequence triggering of the falling risk are achieved, the accurate identification capability of the falling precursor action is enhanced, the sensitivity and discrimination of the alarm response are also improved, and the safety of the falling risk is improved. And misjudgment and missed judgment are effectively avoided.

The invention relates to an early screening method and system for abnormal spinal curvature based on multi-modal data fusion, and the method comprises the steps: carrying out the fusion of space-time sequence features based on obtained multi-modal data, and carrying out the three-dimensional biomechanical modeling, and obtaining a spine-pelvis-lower limb dynamic coupling network; carrying out weighted calculation on the key mechanical transmission path through a graph attention mechanism based on a dynamic coupling network to obtain a path strengthening feature vector; performing multi-modal risk quantitative modeling based on the path strengthening feature vector to obtain a multi-dimensional risk index; and based on multi-dimensional risk indexes, carrying out grading early warning decision making through threshold value comparison and dynamic risk layering so as to realize early screening of spinal curvature abnormity. By implementing the scheme, the early screening accuracy of the abnormal spinal curvature can be improved.

The invention relates to an early risk assessment method and system for abnormal spine curvature, and the method comprises the steps: carrying out the fusion of space-time sequence features based on obtained multi-modal data, and carrying out the three-dimensional biomechanical modeling, and obtaining a spine-pelvis-lower limb dynamic coupling network; carrying out weighted calculation on the key mechanical transmission path through a graph attention mechanism based on a dynamic coupling network to obtain a path strengthening feature vector; performing multi-modal risk feature decoupling and dynamic weighted aggregation based on the path strengthening feature vector to obtain a structured risk map; and based on the structured risk map, early risk assessment of spine curvature abnormity is carried out through adaptive risk threshold mapping and dynamic risk quantification.

The invention discloses a pelvic soft osteosarcoma MRI (Magnetic Resonance Imaging) segmentation method based on edge-guided multi-scale fusion. The method comprises the following steps: firstly, acquiring an MRI image of a patient with soft osteosarcoma of pelvis, and preprocessing the image; and then, constructing a pelvic soft osteosarcoma MRI segmentation network model, namely an EMU-Net segmentation network, based on edge-guided multi-scale fusion. And training the network by using the preprocessed training data, inputting a pelvic soft osteosarcoma MRI image to be segmented into the trained network, outputting a corresponding segmentation probability graph, and obtaining a final tumor segmentation mask by setting a threshold value. The method not only effectively overcomes the clinical segmentation bottleneck, but also realizes full-automatic and high-efficiency precise segmentation by means of an end-to-end deep learning architecture, and has remarkable advantages in the aspects of precision and robustness.

The present invention discloses an intelligent walking-assisting rehabilitation training robot, which relates to the technical field of medical devices and includes a human-computer interaction unit, a pelvic auxiliary motion mechanism, a lifting mechanism, a control unit, and a chassis moving mechanism. The chassis moving mechanism can achieve omnidirectional movement. The pelvic auxiliary motion mechanism is installed on the lifting mechanism and is used for patients to perform lower limb rehabilitation training under the guidance of a doctor or accompanied by family members, realizing the horizontal rotation, horizontal swing, and lateral rotation of the human pelvis, and achieving the effect of exercising the patient's control of the pelvis to achieve lower limb balance. The intelligent walking-assisting rehabilitation training robot provided by the present invention can provide motion damping, auxiliary support, obstacle avoidance, and auxiliary walking, provide three training methods for patients, namely standing balance training, walking static training, and walking dynamic training, and can display the training effect in real time through the human-computer interaction unit, so as to select corresponding training methods for patients in different rehabilitation stages and improve the rehabilitation training efficiency.

The embodiment of the invention provides a delivery progress prediction method and device, electronic equipment and a storage medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: acquiring three-dimensional point cloud data of a pelvis area through a radar sensor; acquiring tissue metabolism state data of a cervical orifice area and acquiring uterine contraction pressure data; obtaining delivery multi-modal data according to the three-dimensional point cloud data, the tissue metabolism state data and the uterine contraction pressure data, performing feature extraction on the delivery multi-modal data to obtain soft tissue deformation features, cervical state features and current uterine contraction features, and performing cross-modal feature fusion to obtain delivery multi-modal features; performing open finger prediction based on the delivery multi-modal features to obtain open finger prediction data; the delivery process is predicted based on the open finger prediction data, the delivery progress is obtained, the delivery process prediction method and device can be applied to business systems needing a large number such as health care, and the delivery process prediction efficiency and precision can be improved.

The invention provides an X-ray-based scoliosis 3D intelligent automatic diagnosis system, which is characterized in that a spine area bounding frame coordinate, a hip bone bounding frame coordinate and a vertebral pedicle bounding frame coordinate are extracted from spine coronal image data, and the first 17 results are extracted to be matched with the number and spatial distribution of typical vertebral bodies of a human body; the method comprises the following steps: obtaining a spine region sub-graph, a hip bone region sub-graph and a vertebral pedicle region sub-graph, converting the sub-graphs into tensors to obtain a bounding box, four angular point coordinates and corresponding confidence of each vertebral body, storing the bounding box, the four angular point coordinates and the corresponding confidence as a structured record, performing Cobb angle calculation according to the structured record, and converting the structured record into an anatomical segment identifier; cutting is conducted according to the spine area, the hip bone area and the vertebral pedicle area subgraph, segmented vertebral pedicles and hip bones are obtained, the major curvature type, the pelvis height and the rotation direction are judged according to anatomical segment identifiers, and the patient age is determined according to the midpoints of the upper edges and the lower edges of the vertebral bodies, the arrangement angle of the adjacent vertebral bodies, spine major curvature core parameters and the age of the patient. And outputting a scoliosis 3D intelligent automatic diagnosis result.

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 discloses a motion posture analysis method based on image recognition, particularly relates to the field of image recognition, and is used for solving the problem of force transmission posture recognition of rotation type throwing motion in the prior art. According to the method, an image sequence covering the whole throwing process is collected, a continuous displacement track from a pelvis to a wrist key point is tracked and extracted, a rotary force storage stage and a release output stage are divided based on key point dynamic behaviors, and an attitude conversion time boundary is constructed; extracting a rotation angle change sequence to generate an angular velocity curve, calculating a theoretical linear velocity based on a tail-section angular velocity and a connection vector length, establishing a velocity ratio by combining an actual throwing object initial velocity tracked in the image, and screening a sample with the highest energy conversion rate as an attitude structure reference; and finally, performing connection vector angle comparison with image sequences of other samples, and positioning a posture offset key point, thereby realizing identification and analysis of the throwing action power generation link deviation.

The invention provides an alignment method and device for a three-dimensional model pose and a human pelvis pose, and relates to the technical field of medical image registration, and the method comprises the steps: obtaining pelvis 2D data of a patient in a pelvis minimally invasive surgery and a pre-constructed model pose of a three-dimensional model of the patient; the method comprises the following steps: determining a plurality of initial pose offset matrixes according to the positions of a plurality of interest points in pre-configured pelvis 3D data and the target position of each interest point in the body of a patient, determining a target pose offset matrix in the plurality of initial pose offset matrixes, and adjusting the model pose according to the target pose offset matrix to obtain a target pose. The model pose of the three-dimensional model is aligned with the pelvic pose of the patient. According to the method, the globally optimal solution is searched by adopting the step-by-step subdivision search strategy, the branching and trimming steps are realized, the scale of the search space is reduced, the algorithm efficiency is improved, and the method has higher adaptability and universality for the shape alignment problem.

A hip joint navigation system is provided that includes a base having at least one channel disposed therethrough for receiving a pin for mounting the base to the pelvis. A mount feature is disposed on a top surface. A registration jig is configured to couple with the base and to engage anatomical landmarks. In some aspects, a patient specific jig system for hip replacement is provided including an engagement surface formed to closely mate to acetabular bone contours of a specific patient and a registration feature configured to be in a pre-determined orientation relative to an acetabulum the patient when the jig is coupled with acetabular bone contours of the specific patient. In other aspects, methods of using the systems are provided.

The invention relates to the technical field of medical imaging, in particular to a pelvic stability dynamic detection method and stress analysis system based on dynamic DR. The method comprises the steps that on the basis of sign information of a user, parameters of a three-dimensional infrared motion capture system, a force measuring table and a pressure sensor are adapted to obtain static CT or MRI image data of a pelvis of a patient, and then the pelvic stability dynamic detection method and stress analysis system are obtained; establishing a pelvis coordinate system and defining geometric features of key points; collecting to-be-detected data of a user in the load bearing state; preprocessing the collected user data, and reconstructing a three-dimensional pelvis model of the user; performing biomechanical analysis based on the reconstructed three-dimensional pelvis model of the user to generate a pelvis stability index; and according to the pelvic stability index, automatically generating a pelvic stability risk index, and outputting a clinical decision suggestion. The problems that a traditional pelvis detection method still depends on a static image, dynamic stress distribution and stability evaluation cannot be effectively quantified, and an evaluation result is not accurate enough are solved.

A hip joint navigation system is provided that includes a base having at least one channel disposed therethrough for receiving a pin for mounting the base to the pelvis. A mount feature is disposed on a top surface. A registration jig is configured to couple with the base and to engage anatomical landmarks. In some aspects, a patient specific jig system for hip replacement is provided including an engagement surface formed to closely mate to acetabular bone contours of a specific patient and a registration feature configured to be in a pre-determined orientation relative to an acetabulum the patient when the jig is coupled with acetabular bone contours of the specific patient. In other aspects, methods of using the systems are provided.

To provide a tracker apparatus that causes little invasion to a patient, has excellent safety, can be firmly fixed to a pelvis of the patient, can be easily removed after a surgical operation, and causes little invasion remaining in skin or bone after removal.SOLUTION: A tracker apparatus constituting a navigation system used when performing an orthopedic surgical operation comprises: a tracker unit (110) having optical markers (111) to (114); and a fixing member (120) for fixing the tracker unit (110) to a pelvis of a patient, wherein the fixing member (120) includes a helical coil having a pointed end portion (121).SELECTED DRAWING: Figure 1A

Balloon based therapy devices for treatment of diseased vessels are described. The devices are adapted for active aspiration of a closure zone prior to delivery of a closure agent. The devices may be used for treatment of diseased veins in the lower limbs and pelvis.

CT images from the neck, lung, cardiac, abdominal, pelvis, hip, spine or lower extremity areas are obtained and analyzed by a computer to measure trabecular bone density on each level it is available, in the spine and hip. Any bone tissue associated with vertebrae that is fractured is excluded, along with Schmorl's nodes, large blood vessels, and cortical bone, to accurately average the trabecular bone density on a scan. The density of fat, heart, and muscle tissue of a subject is used to calibrate the results. That data may be input to an absolute fracture risk model (Fracture Risk Algorithm calculator). Information such as bone density, T score, Z score, fracture risk, and identification of vertebral fractures (if present) may be determined and reported.

Balloon based therapy devices for treatment of diseased vessels with particular applicability to veins are described. The devices are adapted for active aspiration of a closure zone, in particular aspects to an isolated closure zone, prior to delivery of a closure agent. The devices may be used for treatment of diseased veins in the lower limbs and pelvis. The devices may also include a plurality of angular offset abrasion elements adapted to engage with a vessel wall, such as along a treatment zone.

A robotic system for identifying abnormal tissue within a subject's body is provided. The robotic system includes one or more robotic arms and an ultrasound probe supporting portion that is configured to hold an ultrasound probe. The robotic system is configured to maintain the ultrasound probe at a constant orientation in space as the robotic system moves the ultrasound probe. A computer processor drives the robotic system to acquire ultrasound images of the subject's pelvis and / or abdomen while moving relative to the subject's pelvis and / or abdomen, such that the location and orientation of the ultrasound probe in space at the acquisition of each of the ultrasound images is known. The computer processor identifies abnormal tissue based upon the ultrasound images. Other applications are also described.

Methods are provided for aesthetic restoration and reconstruction of bone loss, deficit, defect, or a combination thereof. The methods include administration of one or more suitable bone derived compositions by a minimally invasive procedure such as injection using a needle, syringe, etc., placement in or through a small incision, or a combination thereof. The properties and characteristics of the bone derived composition, including without limitation, flowability, injectability, size, shape, and physical form, are limited only by the requirement that they are capable of administration by a minimally invasive technique. For example, these methods are effective for restoration of facial features, e.g., lost chin definition, jawline definition, bone around nasal lines, and bone around the upper and lower eye area. These methods are also effective for treatment of bone deficiency and loss in other body features such as shoulders and collarbones, pelvis, feet, ankles, hands, and wrists.

The application discloses a lateral lying pelvis fixator for surgery, which comprises a left extrusion fixing part and a right extrusion fixing part, wherein the left extrusion fixing part and the right extrusion fixing part each comprise a height adjusting rod, a transverse adjusting rod, a connecting rod, an extrusion plate, a pneumatic bidirectional locking mechanism and a control valve; the height adjusting rod, the connecting rod and the transverse adjusting rod each comprise an inner rod and an outer rod, the outer rod is arranged on the outer side of the inner rod, the pneumatic bidirectional locking mechanism is arranged between the inner rod and the outer rod of the height adjusting rod, the connecting rod and the transverse adjusting rod, the outer rod of the connecting rod is vertically fixed at the end of the outer rod of the transverse adjusting rod, the extrusion plate is arranged at the end of the inner rod of the connecting rod, and the control valve controls the closing of the pneumatic bidirectional locking mechanism, so that the locking and releasing actions can be completed by one key, different body types can be adapted, the precise positioning and stable patient lateral lying body position in orthopedic surgery can be ensured, the nerves and blood vessels can be protected from compression, and the efficiency of the surgery is improved.

The invention relates to a restraint device (1) comprising straps (6) designed to strap a person to a seat (2) so as to limit the person's movements on the seat. The straps form a harness (4) comprising a middle strap (3a) designed to encircle the pelvis of said person and an upper strap (3b) forming two loops, each designed to encircle a shoulder of said person. The upper strap includes an upper anchor point (6b) on each loop arranged to be opposite a shoulder of said person, and said middle strap includes two middle anchor points (6a), each arranged to be opposite a hip of said person's pelvis. The restraint device includes removable fastening systems (8) designed to attach said upper anchor points and said middle anchor points to anchor points of said seat. Figure to be published: Fig. 1

The embodiment of the invention provides a pelvis parameter measurement method, device and system, a storage medium and a program product, and relates to the technical field of medical image processing. The method comprises the steps of segmenting three-dimensional image data of a pelvis, extracting sacrum information and femoral head information, determining a hip axis midpoint based on the femoral head information, constructing a pelvis coordinate system based on the sacrum information, the femoral head information and the hip axis midpoint, and calculating posture parameters of the pelvis in the pelvis coordinate system based on the sacrum information and the femoral head information. According to the embodiment of the invention, by segmenting the three-dimensional image data, the anatomical structure information such as sacrum and femoral head information is accurately extracted, and then the pelvic parameters are calculated on the pelvic coordinate system constructed based on the anatomical structure information, so that the obtained pelvic attitude parameters can more accurately reflect the real attitude of the pelvic, and the accuracy of the pelvic attitude is improved. And the accuracy and reliability of pelvis attitude parameter analysis are improved.

A device (100) for mobilizing the human bone-tendon system, the device comprising: - a knee protector (2) arranged to cover a knee (3) of a human user to hold said knee in said knee protector and to exert a mobilization force on the knee covered by said knee protector, said mobilization force exerting pressure on said knee and directing towards a load bearing surface (5) arranged to support the pelvis of the user, and - means (6) for increasing the mobilization force.

A chest-compression apparatus (1) for cardiopulmonary resuscitation is described. The apparatus comprises a support structure (2) that is configured to span from a person's shoulders to a person's crotch and to hold a chest compressor (3) over the person's chest when in use on a person in a supine position. It also comprises a chest compressor (3) mounted or mountable on the support structure (2). The support structure (2) is configured to span longitudinally over or along the person's chest from at least a region above the person's pelvis (11) to a region above the person's clavicles (12) when the person is in the supine position. In an embodiment, the apparatus (1) includes a backboard (7) for positioning under the person. The support structure 2 can be Y-shaped and attachable to the backboard (7).

Systems and methods receive pre-operative, volume data for a patient's pelvis and a femur. A three-dimensional (3D) model is generated of the patient's pelvis and femur. A hologram of the patient's native hip is generated from the 3D model. The patient's pelvis is registered relative to a pelvic coordinate system. The hologram is displayed and the patient is aligned with the hologram. The 3D coordinates of a selected point on the femur is determined relative to the pelvic coordinate system. Following implantation of prosthetic hip components, the hologram of the patient's native hip is displayed again and the patient is aligned with the hologram. The 3D coordinates of the selected point on the patient's femur are again determined. One or more changes to leg length, offset, or Anterior-Posterior (AP) position are determined based on the two 3D coordinates determined for the selected point. The one or more changes to leg length, offset, or Anterior-Posterior (AP) position are displayed

The application provides a scoliosis comprehensive angle detection method, device, medium, program product and terminal. First, a spine orthotopic X-ray image is acquired, then a target detection algorithm is used to automatically identify and locate the spine, pelvis and chest cavity region, and corresponding images are generated. Next, a key point detection operation is performed to generate a plurality of vertebral angle point coordinates, thoracic key points and left and right iliac crest top points. Finally, the scoliosis comprehensive angle is measured by synthesizing the data. The problem that the prior art mainly focuses on the local inclination of the spine without fully considering the overall inclination relationship between the spine and the pelvis, thereby affecting the comprehensive assessment of the scoliosis condition, is effectively solved. The automation processing is realized, the measurement accuracy and consistency are improved, the human error is significantly reduced, the medical work efficiency is improved, and the burden of doctors is reduced.

An orthopedic device is provided for treating complications of the hip and has means for trochanter compression, pelvis support, lumbar compression, variously directed straps, and thigh support. The trochanter compression and an internal / external rotation strap provide pain relief through compression and skin protection, unloading of joints through compression and sealing, and unloading by load transfer. Means for adjustably dosing of straps enables pain management and ease of use.

The invention discloses a human body model, and relates to the technical field of teaching instruments, and the human body model comprises a first model frame which is provided with a plurality of first meshes and is used for simulating a human body skeleton; the second model frame is provided with a cavity, a first connecting part, a second connecting part and a plurality of second meshes, the first model frame is arranged in the cavity and detachably connected with the second model frame, the first connecting part is detachably connected with the second connecting part, the second model frame is used for simulating the outer contour of a human body, and the aperture of at least part of the second meshes is larger than that of the first meshes; each of the first model frame and the second model frame comprises at least one of a head and neck, a thorax, an abdomen, a pelvis and four limbs and is correspondingly arranged; the simulation structure comprises a first simulation piece and a second simulation piece, and the first simulation piece is used for simulating blood vessels, nerves and lymphatic vessels; the second simulation piece is used for simulating human muscles and organs. The problem that in the prior art, a human body model used for teaching is difficult to operate manually while the internal structure is visualized is solved.

Patient support platform and method for supporting a patient during irradiation treatment. Platform includes pelvis and back support members, left / right armrest adaptors, left / right armrest units, and handgrip bar. Each armrest unit includes: an armrest base, linearly displaceable along a respective armrest adaptor; an armrest bar, extending distally forward from end of armrest base and pivotable thereto; and an armrest arm support, linearly displaceable along length of armrest bar, for supporting arm portion. Handgrip bar is removably coupled with left and right armrest bars, for gripping by hands of patient when arm portions are supported. At least a portion of armrest units is selectively adjustable to accommodate patient, such that each arm is raised and extended in front of body with an arm portion of each arm supported by a respective armrest arm support and with hands gripping handgrip bar, such that arms are displaced from path of applied irradiation.