17 results about "Pubis symphysis" patented technology

The invention belongs to the field of medical treatment, and relates to a dynamic birth process progress automatic monitoring method, which comprises the following steps: S1, continuously detecting and screening image frames containing intact pubis symphysis and fetal head skull halo; s2, performing standard section screening on the continuous ultrasonic image frames by using a USPNet model based on a Swin Transform architecture; s3, automatically marking a birth process progress angle and a fetal head exposure position through an AI segmentation model, and calculating a fetal head exposure value; s4, driving the three-dimensional fetal head and pelvis model based on the real-time progress angle and fetal head exposure position data, and dynamically rendering and updating a relation graph of the three-dimensional fetal head and pelvis; s5, dynamically displaying the three-dimensional relational graph of the fetal head and the pelvis; and S6, establishing a fetal head descending and uterine contraction signal time sequence curve, and estimating the descending amplitude of the fetal head in the future set time based on a linear regression or curve fitting prediction algorithm. According to the application, continuous, dynamic and accurate monitoring and visual display in the uterine contraction period can be realized, doctors are assisted in scientific decision making, and the delivery management level is improved.

The invention discloses a semi-supervised ultrasound image segmentation method based on SAM and a double student-teacher framework. The method comprises the following steps: S1, acquiring a plurality of birth time mother-fetal ultrasound videos; s2, extracting the maternal-fetal ultrasonic video obtained in the step S1 to obtain an extracted maternal-fetal ultrasonic image during delivery; and S3, inputting the extracted maternal and fetal ultrasonic images during delivery into the trained DSTCS network, performing automatic segmentation of an anatomical structure, and outputting a segmentation result. According to the method, good segmentation capability can be provided by using a small amount of labeled data, the precision, robustness and method capability of pubis symphysis fetal head segmentation in the intranatal ultrasound image are remarkably improved, and more reliable technical support is provided for clinical delivery decision making.

The present invention relates to an implantable urethra support device for urinary incontinence treatment, and more particularly, to a urethra support device for urinary incontinence treatment, in which left and right fixed body portions arranged to be spaced apart are arranged to form an angle with each other, and the two fixed body portions are stably seated on the rear surfaces of two pubic bones forming a pubic symphysis by being connected at two points, such as a urethra support portion and a body connecting portion, when abdominal pressure is downwardly applied, the fixed body portions and the body connecting portion are supported by the pubic bones to resist the downward pressure, and the lowered urethra is supported by the upper urethra support portion, thereby creating a bend above the urethra support portion, so that urinary incontinence can be prevented by rapid urethral closure.

The application belongs to the technical field of medical devices, and discloses a pediatric penis development evaluation method and system based on multi-modal sensor measurement, which comprises the following steps: calling hardware parameter group corresponding to the scene to configure current scene parameters, collecting and verifying environmental conditions, and then starting the measurement process; collecting double-frequency tissue impedance data of the pubic symphysis region, locking the measurement reference zero point, identifying the interface channel, and obtaining the fat pad thickness; starting constant force standardization traction, maintaining constant force creep after reaching the force threshold of the age group, latching the current displacement to generate the stretching length, collecting double-path homologous strain data at the same time, and obtaining the circumference value; checking the stretching length and the circumference value according to the preset physiological boundary, determining the measurement quality grade, obtaining the final development parameter, evaluating and grading the development based on the fat pad thickness, and generating the development evaluation conclusion; receiving the doctor's calibration instruction, updating the physiological boundary based on the development evaluation conclusion and the final development parameter.

A bladder pressure capacity measuring device comprises an infusion tube, a pressure measuring tube and a connecting tube, one end of the infusion tube is communicated with an infusion container, a first scale strip and a timer are arranged on the outer wall of the infusion container, and a first switch device is arranged on the infusion tube; one end of the pressure measuring tube is fixed on the pressure measuring plate, the pressure measuring plate is provided with a second scale bar, the side wall of the pressure measuring plate is provided with a luminous pen, and the pressure measuring tube is also provided with a second switch device; one end of the connecting pipe is connected with a ureter joint; and three pipe orifices of the three-way pipe are respectively communicated with the infusion pipe, the pressure measuring pipe and the other end of the connecting pipe. The infusion tube, the pressure measuring tube, the pressure measuring plate and the three-way tube are well connected when leaving a factory, so that additional time for splicing in the later period is not needed, and the time is saved; the zero scale position of the scale plate can be conveniently flush with the symphysis pubis of the patient through the light-emitting pen; a preset timer is on time to remind medical staff that the normal saline is about to be fully infused for 50 ml at a time, and simplicity and convenience are achieved.

Bladder pressure measuring equipment comprises a liquid inlet device, the liquid inlet device comprises a liquid inlet pipe, one end of the liquid inlet pipe is connected with a first three-way pipe, the first three-way pipe is further connected with a pressure measuring device and an infusion device, the infusion device comprises an infusion pipe, and the pressure measuring device comprises a pressure measuring pipe with scale marks. The zero graduation line of the pressure measuring tube is kept consistent with the symphysis pubis horizontal plane of a patient, liquid flows through the infusion device from the liquid inlet device, then enters the bladder of the human body and then flows back to the pressure measuring device, measured values can be read by reading the horizontal height of the liquid in the pressure measuring tube, a pressure measuring ruler is not needed, operation steps are simplified, and working efficiency is improved. The reading accuracy is improved, and the department cost is reduced. The floating ball is arranged in the pressure measuring tube, the center of the floating ball is coplanar with the zero graduation line of the pressure measuring tube before liquid enters the pressure measuring tube, the floating ball can change along with the change of the horizontal plane of the liquid after the liquid enters the pressure measuring tube, and the pressure condition of the bladder of a patient can be known by observing the position of the floating ball.

The utility model discloses a lateral position fixing device for guiding directional installation of an acetabular cup, which comprises a back supporting bracket and a front supporting bracket, the back supporting bracket is used for supporting the back of a patient, the back supporting bracket is used for supporting the pelvis of the patient, clamping components are fixedly arranged on the front supporting bracket and the back supporting bracket, and the front supporting bracket is used for supporting the pelvis of the patient. The clamping assembly is used for being fixed to an operating bed, the front supporting support comprises a T-shaped support, supporting units are movably arranged at the three ends of the T-shaped support, the T-shaped support comprises a transverse pipe fitting and a vertical pipe fitting, the transverse pipe fitting is fixed to the middle of the outer wall of one side of the vertical pipe fitting, and the transverse pipe fitting and the vertical pipe fitting are perpendicularly arranged. The three supporting units on the front supporting support are matched, the front portion of the pelvis is fixed through three points, the anterior superior iliac spine and the pubis on the two sides are combined, fixing is firmer, the pelvis is better positioned, displacement of the pelvis in the operation process is reduced, and the anterior angle and the abduction angle of the acetabular cup can be guided in the operation.

The invention relates to the technical field of image processing, and particularly provides a key structure image segmentation method and system for obstetric ultrasound, and the method comprises the steps: obtaining and preprocessing an obstetric ultrasound image, and obtaining an input feature map; hierarchical feature extraction is performed through an encoder path, a channel attention module is arranged in each convolution stage to adaptively re-calibrate a feature channel, and a deep feature map is output; sequentially executing multi-scale context aggregation and global dependency modeling on the deep feature map to obtain an enhanced context feature map; and inputting the feature map into a decoder path, fusing the feature map of the corresponding stage of the encoder through jump connection, carrying out step-by-step up-sampling to recover the resolution, and finally generating a pubis symphysis and fetal head segmentation result through an output layer. According to the method, key features can be adaptively enhanced, noise can be suppressed, local to global context information can be cooperatively captured, and high-precision and high-robustness segmentation of large and small targets can be realized in images with strong noise and large scale difference.

The invention provides pregnant woman postpartum subuterine pressing auxiliary equipment for the obstetrics and gynecology department, and belongs to the technical field of medical instruments. Comprising a framework, the framework is composed of a back plate and wing plates symmetrically arranged on the two sides of the back plate and used for wrapping the body of a patient, fixing columns are arranged at the ends of the two wing plates, and a binding belt is arranged between the two fixing columns; the pressing mechanism comprises a main air bag and auxiliary air bags symmetrically arranged on the two sides of the main air bag, and the pressing mechanism is used for conducting auxiliary pressing on the fundus of the puerpera. The slidable binding belt is arranged on the framework, the pressing mechanism on the inner side of the binding belt can be driven to be vertically adjusted so as to change the distance between the pressing mechanism and pubis symphysis, the pressing requirement of the fundus of uterus after uterus contraction can be met, meanwhile, the pressing mechanism can be transversely adjusted on the binding belt, and the pressing effect is good. The local position of the uterus can be pressed in a targeted mode, a pressing device does not need to be worn again in the whole adjusting process, and discomfort of a puerpera can be reduced.

The invention provides a pelvis binding belt and a pelvis binding assembly, and relates to the technical field of rehabilitation binding belts, the pelvis binding belt comprises an elastic layer, and the elastic layer is provided with a top end first connecting part, a top end second connecting part, a bottom end first connecting part and a bottom end second connecting part; a first pressure reduction window and a second pressure reduction window are arranged at the positions, corresponding to the anterior superior spine and the thighbone greater trochanter, of the elastic layer respectively, and buffering net surfaces are arranged at the positions of the first pressure reduction window and the second pressure reduction window; the elastic layer is divided into a pressure concentration area, a pressure transition area and a pressure release area; a pressure peak value can be formed in a pressure concentration area in front of symphysis pubis, targeted pressurization is achieved, a three-dimensional cutting elasticity distribution curve is matched with a human anatomical structure, it is ensured that pressure is accurately conducted to a symphysis pubis separation part, the problem of binding force conduction deviation of a traditional product is solved, and the application range is wide. Meanwhile, discomfort caused by excessive compression on abdominal organs is avoided.

A symphysis plate is provided for correcting or preventing separation of the anterior pelvic ring. In use, the plate is positioned superiorly over the pubic symphysis and anterior pelvis. It includes a pubis section that is curved in top view to match the natural contour of the anterior pelvic bones, either before separation or after repositioning. The plate also features one or more terminal sections extending from the pubis section, each ending in a terminal fixation point oriented toward the supra-acetabular bone. Multiple connection points are incorporated to receive fixing elements that secure the plate to both the pubis and terminal sections. The terminal fixation points are specifically configured to guide fixing elements along a trajectory that is substantially parallel or co-axial with the horizontal plane of the pubis section and the undersurface of the terminal sections.

The application relates to the technical field of ultrasonic images, and discloses a parameter measurement method and device based on an ultrasonic image and a readable storage medium. The method comprises the following steps: acquiring an ultrasonic image; wherein the ultrasonic image is collected when a positioning piece is arranged on the skin surface of a pubic symphysis of a measured human body; determining a pubic symphysis contour and a fetal head contour according to the ultrasonic image; wherein the pubic symphysis contour is replaced by the positioning piece; determining a detection parameter according to the pubic symphysis contour and the fetal head contour, and displaying the ultrasonic image and the detection parameter; wherein the detection parameter comprises at least two of a fetal head progress angle, a distance between the pubic symphysis and the fetal head, a fetal head progress distance and a distance between the fetal head and the perineum. Through the above method, the requirement for the image quality of the ultrasonic image is reduced, the medical staff or the ultrasonic system does not need to pay too much attention to whether the reference tissue features in the ultrasonic image are clear and complete and whether the reference tissue features are easy to identify and extract, and therefore the extraction efficiency of the detection parameter is improved.

The application provides a half-pelvis reconstruction prosthesis, which comprises a iliac wing fixing part, a acetabular reconstruction part, a femoral stem, a acetabular reconstruction part, a pubic reconstruction part, a pubic symphysis, an ischium reconstruction part and a femoral stem. The pubic symphysis is provided with locking teeth on one side close to the pubic apex, the locking teeth are engaged with the locking teeth on the pubic apex, and the pubic apex and the pubic symphysis are fixedly connected through a first locking screw. The application solves the technical problem that the bone reference mark is lost after half-pelvis resection, and a small deviation of the implantation position causes abnormal hip joint eccentricity, soft tissue tension imbalance and gait compensation abnormality.

The application relates to a hip joint anatomical landmark point recognition method and system, which comprises the following steps: loading three-dimensional mask data containing femur and hip bone segmentation labels, extracting a bone surface point cloud and converting the same to a physical coordinate system; automatically screening a complete data side by comparing the number of bilateral point clouds; based on the complete femur point cloud, sequentially recognizing the femoral head center, lesser trochanter, femoral neck isthmus center and femoral shaft center point through geometric fitting and extreme value search; based on the same side hip bone point cloud, recognizing the acetabular fossa center, ischial tuberosity, pubic symphysis and anterior superior iliac spine point; finally, converting the landmark points to a three-dimensional model standard coordinate system and generating a visual model. The application realizes automatic and high-precision recognition of key anatomical landmark points of the hip joint, does not require manual intervention and a large amount of training data, has strong robustness, can be directly compatible with a three-dimensional surgical planning system, and significantly improves preoperative planning efficiency and accuracy.

The invention relates to the technical field of experimental medicine, and discloses a controllable hierarchical thoracic and abdominal knocking injury animal model establishment method, which comprises the following steps: S1, selecting a healthy beagle; s2, trachea cannula vein general anesthesia is conducted, a medicine injection cannula is connected with a breathing machine, and suction of 1% of isoflurane is maintained; s3, lying on the back and fixing on an experiment table with a thoracico-abdominal exposure hole; s4, a DZHE-01 injury platform is used for being aligned with the chest and the abdomen; s5, regulating pressure, grading and causing injury, and recording an overpressure curve; s6, recording indexes according to time after injury, and performing detection and image inspection. According to the method for establishing the controllable graded chest and abdomen knocking injury animal model, a healthy adult beagle is supine and fixed to an experiment table with chest and abdomen exposure holes, the upper edge of the sternum is exposed to symphysis pubis, a 5 mm nitrile rubber pad is laid on the table top, a lead plate is used for shielding the head and neck, rubber protection plates are used for shielding the limbs, and DZHE-01 platform shock waves only act on the chest and the abdomen; by combining light single-time, middle 1-2-time and heavy two-time grading injury, multiple thoracic and abdominal organ injuries are simulated, and the problem that an existing model is single in part is solved.

The invention discloses a self-adaptive antenatal pelvis dynamic training system based on the obstetrics and gynecology department, relates to the field of antenatal rehabilitation instruments, and solves the problems that an existing instrument is poor in safety, low in precision and lack of dynamic training. The system comprises an adjustable supporting base (comprising an anti-skid suction cup and a threaded lifting rod), a self-adaptive cabin (comprising a pressure sensing layer, eight independent air chamber airbag layers and an antibacterial memory sponge surface layer), a mechanical traction mechanism (comprising a servo motor, a multi-dimensional adjusting guide rail and a silica gel traction belt) and a control system. The control system adjusts the air pressure and traction force of the air bag according to the pressure signal, precise control over the pelvis front rake angle ranging from 20 degrees to 30 degrees and the opening and closing amplitude ranging from 8 cm to 12 cm is achieved, and the dynamic load larger than 50 N is simulated. The system is high in safety, high in adaptability, capable of improving the symphysis pubis expansion capacity and reducing the probability of complications such as parturition prolonging and perineal tearing, and suitable for prenatal pelvic training.

This invention provides a method and system for monitoring fetal head descent. The method includes: deploying a magnetic field transmitter to the abdomen of the mother and a back sensor to the sacrum and coccyx; using measurement sensors to perform external and internal measurements on the mother to obtain measurement data of the anterior superior iliac spine and mid-pelvis; using an ultrasound probe to perform a longitudinal section on the perineum to obtain the maximum cross-section of the pubic symphysis and to acquire the position of the lower edge of the pubic symphysis and the position of the lowest point of the fetal head; standardizing the coordinates of the lower edge of the pubic symphysis and the position of the lowest point of the fetal head; and obtaining the numerical value and direction of the presenting part of the fetus based on the standardized coordinates of the lower edge of the pubic symphysis, the standardized coordinates of the lowest point of the fetal head, the measurement data of the anterior superior iliac spine, and the mid-pelvis, thus obtaining fetal head descent monitoring data. This invention can analyze the fetal head according to the actual situation of the mother, eliminating the need for manual digital examination, reducing errors caused by individual differences among mothers, and improving the accuracy of fetal head descent monitoring.