24 results about "Postpartum haemorrhage" patented technology

A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.

The invention discloses a postpartum hemorrhage risk assessment system based on medical information processing. The system comprises a physiological data acquisition module, a data optimization module, a postpartum hemorrhage risk assessment model establishment module and a postpartum hemorrhage risk assessment module. The invention belongs to the technical field of medical information processing, and particularly relates to a postpartum hemorrhage risk assessment system based on medical information processing.According to the scheme, the key change trend of puerpera physiological data is captured through derivative features, and the recognition ability of a high-risk sequence is improved; personalized matching is realized based on dynamic planning, and the screening efficiency of high-risk samples is enhanced; the utilization rate of puerpera physiological sample data is increased based on length correction and fusion sorting; the accuracy of subsequent postpartum hemorrhage risk assessment results is ensured; the physiological time sequence and the puerpera background information are processed respectively, and a layered attention mechanism is introduced to adapt to risk sources in different scenes; providing a dynamic risk assessment result based on the burst adjustment weight and the region enhancement weight; and the accuracy of a final risk assessment result is improved.

The embodiment of the invention provides a method and a system for predicting serious postpartum hemorrhage. The method comprises the following steps of: firstly, acquiring multi-modal medical image data, and preprocessing and aligning the multi-modal medical image data; performing segmentation processing on the image through a sliding window strategy, and extracting structural features, texture features, hemodynamic features and blood vessel distribution features from a segmentation result; then the features serve as nodes to construct a graph structure, the relation between the nodes is coded through a graph convolutional network, and the relevance of the features on the topology level is calculated; and finally, fusing the features according to the relevance, inputting a prediction model, and outputting a prediction result. According to the method, through multi-feature fusion and multi-modal data integration, the prediction capability and the prediction accuracy are improved, the robustness of the model in different data environments is enhanced, the bleeding risk can be recognized in time in the middle and later periods of pregnancy of the pregnant woman, early intervention and treatment suggestions are provided, and the risk of bleeding is reduced. The occurrence rate and fatality of serious postpartum hemorrhage are obviously reduced.

A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.

The invention discloses a midwifery practice teaching system based on scenario simulation, which relates to the technical field of medical teaching and is technically characterized by comprising a digital delivery model, a scenario simulation software system, a data acquisition and feedback module and an intelligent guidance module. The system simulates a real delivery process through a virtual environment, covers scenes such as uterine orifice dilation, baby delivery, placenta delivery, postpartum hemorrhage and the like, can generate physiological signals such as fetal heart sound and the like, and provides scene simulation of various delivery processes. And performing real-time analysis on student operation by using an artificial intelligence algorithm, and generating personalized feedback and a scoring report. In addition, the system supports simulation of emergency situations and customization of personalized learning paths, and ensures that students master diversified midwifery skills in a controllable and safe environment. Through the combination of VR and AR technologies, the system achieves immersive teaching, improves the learning efficiency and sense of participation, and remarkably improves the emergency response and standard operation capabilities of a midwife. The system is suitable for the field of medical education and has a wide application prospect.

The utility model discloses an abdominal pressure belt for aiding delivery and preventing postpartum hemorrhage, which relates to the technical field of medical tools and comprises a bridle and a pressure belt, a cover bag is sewn on the outer side wall of the pressure belt, and a bag is arranged in an interlayer between the pressure belt and the cover bag. The olive oil in the bag is stroked out upwards by stroking the pressing belt from bottom to top, the olive oil overflows from the injection plug through the bag cavity, wets the cotton piece on the inner layer and is evenly smeared on the belly of the pregnant woman through the open holes, the olive oil contains fat-soluble vitamin E, the fat-soluble vitamin E is effectively absorbed by the skin, metabolism can be enhanced, and the belly skin of the pregnant woman is kept wet; the body is improved by utilizing the metabolism enhancing effect of the olive oil, the problem of uterine contraction and weakness can be avoided to a certain extent, and postpartum hemorrhage of pregnant women is avoided.

A method and system for monitoring postpartum hemorrhage (PPH) of a patient is configured to: receive PPH factor information for the patient, wherein the PPH factor information includes at least two of: ultrasound data generated based on one or more abdominal ultrasound images of the patient obtained during a measurement period; electromyogram (EMG) data obtained from abdominal electrodes on the patient during the measurement period; cardiac measurement data obtained from the patient during the measurement period; and a uterine health indicator of the patient. The system and method are configured to process the PPH factor information to determine a PPH probability index and a PPH severity index, the PPH probability index indicating a probability that the patient will develop PPH, the PPH severity index predicting a severity of PPH; and generating a PPH risk index for the measurement period based on the PPH probability index and the PPH severity index.

This invention discloses a seamless switching medical simulation training system that integrates virtual and real-world childbirth and postpartum hemorrhage scenarios. Its features include: a maternal model, a childbirth simulation mechanism, and a postpartum simulation mechanism, one of which can be selectively mounted on the maternal model; the childbirth model mechanism includes an infant model, a birthing belly component, a birthing vagina component, and a drive device. The drive device is located within the maternal model, and the infant model is mounted on the drive device, allowing the drive device to move the infant model linearly and rotate towards the birthing vagina component; the birthing belly component is equipped with undulating components; this system achieves seamless switching between childbirth and postpartum hemorrhage scenarios through a modular and detachable structure, realistically simulating clinical scenarios such as the childbirth process and postpartum hemorrhage care. It is comprehensive in function, realistic in operation, and can effectively improve the standardized operation and emergency response capabilities of medical personnel.

The invention belongs to the technical field of measuring bags, and provides a disposable postpartum hemorrhage amount measuring bag which comprises a collecting bag, a positioning ring is installed at a bag opening of the collecting bag, a receiving bag is connected to the upper portion of the bag opening of the collecting bag, unfolding parts are arranged on the two side walls of the receiving bag and are in a funnel shape, and folding parts are arranged at the connecting positions of the unfolding parts and the receiving bag. First scale marks are arranged on the outer surface of the collecting bag; the first rope group comprises a first short rope and a second short rope; the two first rope groups are symmetrically mounted on the top wall of the unfolding part; a second rope group; by arranging the collecting bag, the first rope set, the second rope set and the positioning ring, it is ensured that the bag opening is stably attached to the buttocks of a puerpera, the problem of bag body displacement caused by body position changes is avoided, the blood receiving range is expanded through the unfolding part, the folding part is combined with the flexible adjusting capacity to adapt to puerpera posture changes, blood splashing or edge leakage is prevented, and the blood collecting effect is good. The collecting bag is tightly attached to the buttocks of the puerpera and the obstetric table, and the risk of liquid side leakage caused by infirm fixation is eliminated.

The invention provides a risk prediction system and method for severe postpartum hemorrhage, and the method comprises the steps: firstly carrying out the principal component analysis of all postpartum hemorrhage risk data, and obtaining the principal component characteristics of a severe postpartum hemorrhage risk; clustering all the postpartum hemorrhage risk data according to a mapping relation of different postpartum hemorrhage risk data to obtain a plurality of clusters, thereby determining a data constraint condition of each cluster; further performing feature extraction on all the prenatal examination data to obtain a data feature map, thereby determining a confidence boundary of each cluster; secondly, carrying out secondary clustering on all the clustering clusters to obtain a plurality of secondary clustering clusters; and determining a risk prediction model of serious postpartum hemorrhage according to all the secondary clusters, and evaluating the risk value of serious hemorrhage of the puerpera through the risk prediction model. By adopting the scheme of the application, the influence of data imbalance on postpartum hemorrhage risk data clustering can be reduced, so that the accuracy of severe postpartum hemorrhage risk prediction is improved.

Uterine toner device (UTD) for reducing postpartum hemorrhage includes: a fundal portion including a first end and a second end of the fundal portion, the fundal portion including a conical shaped tip at the first end of the fundal portion; a cervical portion including a first end and a second end of the cervical portion, the first end of the cervical portion coupled to the second end of the fundal portion, where the fundal portion and the cervical portion each include a cylindrical and tubular shaped body, where the body of the cervical portion includes a first plurality of fenestrations; and at least one balloon coupled to a surface of the cervical portion, where when the balloon is inflated, the balloon seals the cervical portion without sealing the first plurality of fenestrations.

A method and system for monitoring a patient for postpartum hemorrhage (PPH) is configured to receive PPH factor information for the patient, wherein the PPH factor information includes at least two of the following: ultrasound data generated based on one or more abdominal ultrasound images of the patient obtained in a measurement period, electromyography (EMG) data obtained during the measurement period from abdominal electrodes on the patient, cardiac measurement data obtained from the patient during the measurement period, and a uterine health indicator for the patient. The system and method are configured to process the PPH factor information to determine a PPH probability index indicating a probability that the patient will develop PPH and a PPH severity index predicting a severity of PPH, and generate a PPH risk index for the measurement period based on the PPH probability index and the PPH severity index.

The present application relates to a kind of intermediate compounds of novel oxytocin analogues, novel oxytocin analogues and preparation method, pharmaceutical composition and purposes thereof.The intermediate compound has the structure shown in formula (IV);Oxytocin analogues are compounds with the structure shown in formula (I);The preparation method of compound includes: the thiol alkene reaction of intermediate compound shown in formula (IV) is carried out so that the compound shown in formula (I);Pharmaceutical composition includes the compound shown in formula (I).The compound of the present application can effectively promote breast lactation and prevent or treat induced labor hemorrhage and postpartum hemorrhage, and has longer half-life and lower EC 50 value.

A fluid collection device for a postpartum hemorrhage monitoring system includes a cup comprising an open proximal end, an open distal end, and an interior extending between the open proximal and distal ends. The interior is configured to receive a fluid. The cup comprises an anterior surface configured for placement adjacent an anterior vaginal wall of a patient and a posterior surface configured for placement adjacent a posterior vaginal wall of a patient. A ring extends radially exteriorly from the open proximal end of the cup and is incrementally expandable and contractible. A stem having an open proximal end, an open distal end, and a lumen extending therebetween, extends between the open distal end of the cup and is configured to receive the bodily fluid from the interior of the cup. The ring is movable between a collapsed configuration to an expanded configuration upon receiving a fluid within the ring.

The method of the embodiment of the present invention proposes a prediction method and system for severe postpartum hemorrhage. The method first obtains multimodal medical imaging data and then preprocesses and aligns it; then the image is segmented by a sliding window strategy, and structural features, texture features, hemodynamic features and vascular distribution features are extracted from the segmentation results; then the features are used as nodes to construct a graph structure, and the relationship between the nodes is encoded using a graph convolutional network, and the correlation of the features at the topological level is calculated; finally, the features are fused according to the correlation, input into the prediction model and the prediction results are output. The method of the present invention improves the prediction ability and accuracy of the prediction through multi-feature fusion and multimodal data integration, enhances the robustness of the model in different data environments, can timely identify the risk of bleeding in pregnant women in the middle and late stages of pregnancy, provide early intervention and treatment recommendations, and significantly reduce the incidence and lethality of severe postpartum hemorrhage.

Methods and systems for treating postpartum hemorrhaging in a patient, comprising: a device configured for trans-cervical introduction into a uterine cavity of a patient comprising an elongated shaft with an expandable working end; a negative pressure source coupled to an extraction lumen in the elongated shaft; an electrode arrangement carried by the expandable working end; and an electrical source and controller coupled to the electrode arrangement adapted to deliver electrical stimulation to walls of the uterine cavity.

The utility model relates to the technical field of medical instruments, in particular to a postpartum hemorrhage cervical clamp convenient for placing a hemostatic balloon. The problems that in the prior art, when a cervical clamp clamps a plurality of positions of a cervical opening, operation is tedious, operation time is affected, and potential safety hazards of a patient are increased are solved. The forceps comprise two groups of first forceps handles which are hinged with each other and first forceps heads which are fixedly connected to the front ends of the first forceps handles, and further comprise second forceps heads, second forceps handles, a connecting rod, a ball body, a sleeve and a tooth groove. The multiple sets of second forceps handles are installed on the connecting rod, medical staff can drive the connecting rod to move through the first forceps handles, the multiple sets of second forceps heads are driven to synchronously clamp the cervix, clamping convenience is improved, the first fixing block is pressed to move, a sleeve is separated from the connecting rod, extrusion on the sleeve is relieved, and the cervix can be conveniently clamped. Therefore, the second forceps head and the second forceps handle in the middle can be detached, a hemostasis balloon can be conveniently placed in the uterine cavity, and the time required for fixing the cervical forceps in an operation is shortened.

A fluid collection device for a postpartum hemorrhage monitoring system includes a cup comprising an open proximal end, an open distal end, and an interior extending between the open proximal and distal ends. The interior is configured to receive a fluid. The cup comprises an anterior surface configured for placement adjacent an anterior vaginal wall of a patient and a posterior surface configured for placement adjacent a posterior vaginal wall of a patient. A ring extends radially exteriorly from the open proximal end of the cup and is incrementally expandable and contractible. A stem having an open proximal end, an open distal end, and a lumen extending therebetween, extends between the open distal end of the cup and is configured to receive the bodily fluid from the interior of the cup. The ring is movable between a collapsed configuration to an expanded configuration upon receiving a fluid within the ring.

The utility model is suitable for the technical field of condensation bags, and provides an attaching type condensation bag for a cesarean delivery puerpera. A non-woven fabric tape; the first double-sided adhesive buckle and the second double-sided adhesive buckle are symmetrically mounted at the outer ends of the left side and the right side of the non-woven fabric belt; the first ice bag bonding buckle and the second ice bag bonding buckle are symmetrically mounted at the inner ends of the left side and the right side of the non-woven fabric belt; the ice bag cloth pocket is adhered to the second ice bag adhesive buckle, and an ice bag body is placed in the ice bag cloth pocket. Compared with the prior art, the postpartum hemorrhage prevention device has the advantages that the conformable condensation bag is arranged between the bellyband and the medical application, so that uterus contraction is promoted according to the cold compress principle, and the condition of postpartum hemorrhage is prevented.

The application discloses a seamless switching type medical simulation training system for childbirth and postpartum hemorrhage deficiency and excess fusion, and has the characteristics that the system comprises a puerpera model, a childbirth simulation mechanism and a postpartum simulation mechanism, the childbirth simulation mechanism and the postpartum simulation mechanism can be selectively assembled on the puerpera model; the childbirth model mechanism comprises a baby model, a childbirth belly component, a childbirth vaginal component and a driving device, the driving device is arranged in the puerpera model, the baby model is arranged on the driving device, and the baby model is driven by the driving device to realize linear movement and rotary motion in the direction of the childbirth vaginal component; the childbirth belly component is internally assembled with a fluctuation component; the system realizes seamless switching of childbirth and postpartum hemorrhage scenes through a modular detachable structure, can truly simulate clinical scenes such as a childbirth process and postpartum hemorrhage nursing, is comprehensive in function, real in operation, and can effectively improve the standard operation and emergency disposal ability of medical staff.

The invention discloses an intelligent lochia nursing pad for postpartum hemorrhage monitoring and an early warning system, and relates to the technical field of physiological monitoring. The intelligent lochia nursing pad early warning system comprises a diffusion time phase construction module, a potential reversal recognition module, a phase dislocation analysis module, an anti-reversal time grating generation module and a reverse diffusion traction regulation and control module. The intelligent lochia nursing pad for postpartum hemorrhage monitoring comprises the early warning system. According to the invention, by establishing a diffusion time phase recording chain and introducing potential inversion identification, phase dislocation analysis and time grating traction regulation and control mechanisms, space-time synchronization of flexible sensing node response is realized, signal inversion and disorder are avoided, continuous increasing of a bleeding amount curve is maintained, negative sudden change is inhibited, and the stability and reliability of an early warning signal are improved. And accurate real-time monitoring of postpartum hemorrhage is realized.

The invention relates to the field of medical image and machine learning, and discloses a placenta preposed postpartum hemorrhage risk prediction system. Comprising a radiomics feature acquisition unit used for acquiring MRI radiomics features of a preplacenta postpartum hemorrhage patient; the clinical feature acquisition unit is used for acquiring clinical features of the preplacenta postpartum hemorrhage patient; the subset construction unit is used for constructing a feature subset based on the clinical features and the MRI radiomics features; and the prediction unit is used for inputting the feature subset into a TabPFN model and carrying out postpartum hemorrhage probability prediction and hemorrhage quantity quantitative prediction. According to the method, automatic segmentation of placenta MRI is realized by adopting fine-tuned nnU-Net, and the average Dice coefficient reaches 0.83. The problems of non-uniform intensity distribution, placenta thickness variation and adjacent anatomical structure interference in the placenta MRI image are effectively solved. According to the method, accurate risk stratification and quantitative evaluation of preplacental postpartum hemorrhage are realized by integrating MRI image omics characteristics and clinical data.

A method and system for monitoring a patient for postpartum hemorrhage (PPH) is configured to receive PPH factor information for the patient, wherein the PPH factor information includes at least two of the following: ultrasound data generated based on one or more abdominal ultrasound images of the patient obtained in a measurement period, electromyography (EMG) data obtained during the measurement period from abdominal electrodes on the patient, cardiac measurement data obtained from the patient during the measurement period, and a uterine health indicator for the patient. The system and method are configured to process the PPH factor information to determine a PPH probability index indicating a probability that the patient will develop PPH and a PPH severity index predicting a severity of PPH, and generate a PPH risk index for the measurement period based on the PPH probability index and the PPH severity index.

The invention provides an abdominal pressure midwifery belt for preventing postpartum hemorrhage, and relates to the technical field of medical equipment. Comprising a base and fixing belts, and the fixing belts are arranged on the two sides of the base; a pressing assembly is arranged on the base and comprises a spherical hinge seat, a movable ball is spherically hinged to the spherical hinge seat, three vertical sliding grooves are formed in the middle of the movable ball and slidably connected with a control rod, and a pressing ball is arranged at the bottom of the control rod; the pressing ball is made of elastic materials and is hollow, a filling pipe is arranged in the control rod and communicated with the pressing ball, and the filling pipe is connected with an inflation device. Compared with the prior art, the compression hemostat is simple in structure, convenient to use, capable of accurately conducting compression hemostasis on a compression point and convenient to adjust.