1004 results about "Kidney" patented technology

A system for perfusing an organ, for example a kidney or a heart. Preservation fluid can be pumped from a transport container to the organ through a cannula or organ adapter. A flow regulator valve can control the rate of flow of the preservation fluid based on renal resistance of the kidney or arterial resistance of the organ. The pump can operate at a rate independent of the arterial resistance.

A transport container for transporting an organ (T), such as a kidney, at hypothermic temperatures. The transport container comprises an inner lid (40) and a canister (38) that can be filled with preservation fluid. The preservation fluid can be pumped from the canister to the organ through a cannula. A flow regulator valve (48) can release the preservation fluid from the fluid path into the transport container at a rate based on at least one organ parameter (such as renal resistance of the kidney), whereas the pump can operate at a rate independent of the at least one organ parameter. The transport container may further comprise a fill port (28) and a vent port in the inner lid, and an organ rest (18).

The invention discloses a renal clear cell carcinoma prognosis prediction method based on multi-mode MRI (Magnetic Resonance Imaging) image and digital pathological omics fusion. The method comprises the following steps: S1, collecting a training data set based on an MR image and a pathological image; s2, feature extraction of MR radiomics; s3, deep learning feature extraction of the pathological image; s4, an MR-pathological feature fusion module; and S5, deploying the network. According to the method, depth features with prognosis information are obtained from two scales of pre-treatment images and post-operation pathology, effective features are extracted by adopting image omics and a convolutional neural network mode according to data characteristics of MR images and pathology images, and depth fusion of the two types of features is completed in a hidden space through a multi-task guiding mode, so that the accuracy of the MR image and the pathology image is improved. A precise prognosis model with multi-scale information is provided, and the method has a relatively strong clinical application prospect and is of great significance for realizing precise immunotherapy and improving prognosis of a patient.

The invention relates to the technical field of artificial intelligence, and discloses a method and a system for dynamically predicting the risk of harm of feed mycotoxin to livestock and poultry. The method comprises the following steps: constructing a metabolic digital twin model based on a multi-organ coupling dynamics mechanism, connecting a gastrointestinal tract, a liver and a kidney through blood flow parameters to form a closed loop topology network, establishing a toxin migration rate equation, and verifying bioavailability; collecting feed toxin concentration and livestock and poultry physiological data in real time; after distributing the initial toxin load, iteratively generating target organ dynamic concentration distribution by adopting a Runge-Kutta method; an organ exposure index is calculated based on an organ specific hazard threshold, key organs are positioned, and low / high risk levels and toxin accumulation paths are output. The method solves the problems that a traditional static model is low in efficiency and poor in organ difference adaptability when being used for dynamically predicting the risk of harm to livestock and poultry caused by feed mycotoxin.

The invention discloses an auxiliary renal puncture device for the nephrology department, and belongs to the technical field of renal puncture, the auxiliary renal puncture device comprises a sickbed, a plurality of supporting legs are fixedly arranged at the bottom of the sickbed, fixing plates are fixedly arranged on the two sides of the sickbed, and second sliding blocks are slidably connected to one sides of the two fixing plates; the breathing frequency and amplitude of a patient are captured in real time through an infrared breathing monitoring module, and displacement data generated by breathing of the kidney are accurately obtained in combination with motion sensing modules such as a lead screw encoder and a driving gear angle encoder. The intelligent control system drives the first stepping motor and the second stepping motor to adjust the position of the portal frame based on six-dimensional force sensor data of the force sensing module, meanwhile, the angle of the puncture needle is adjusted in real time through feedback of a mechanical arm joint encoder, and dynamic compensation of kidney respiratory movement is achieved. According to the mechanism, the puncture deviation caused by breathing can be controlled within the range of + / -0.5 mm, the puncture positioning precision is remarkably improved, and poor sample quality or operation risks caused by breathing movement are avoided.

This application discloses a renal puncture guidance method, system and computer device based on multi-modal fusion, the method comprises: acquiring a medical image sequence of an object to be examined, and performing three-dimensional reconstruction based on the medical image sequence to obtain a three-dimensional reconstruction model; obtaining a slice corresponding to an ultrasonic probe currently in the three-dimensional reconstruction model; displaying a fusion image obtained from a real-time ultrasound image acquired by the ultrasonic probe and the slice in a first region of a puncture guidance interface; acquiring a needle insertion angle of a puncture needle, and displaying a puncture guide line in the fusion image in real time; and displaying the ultrasonic probe model, the puncture needle model and the three-dimensional reconstruction model in real time in a second region of the puncture guidance interface.

The invention relates to a nephrotic patient health management method and system based on a neural network prediction model, and the method comprises the steps: obtaining the multi-dimensional health data of a target nephrotic patient at each stage, constructing a time sequence feature matrix to extract the change trend of the whole course of disease, and dividing the course of disease into a disease alleviation stage and a disease deterioration stage; analyzing the health data of the two stages to obtain an improvement factor and a deterioration factor; outputting a renal function state prediction result by using a neural network prediction model fusing an attention mechanism and a knowledge graph, and generating an initial health management scheme by combining the result, a preset health management rule base and patient preferences; and optimizing the initial scheme based on the improvement factor, the deterioration factor and a reinforcement learning algorithm to obtain an optimized health management scheme. Complete-cycle closed-loop management of data acquisition, trend analysis, factor identification, prediction and early warning, scheme generation and dynamic optimization of nephropathy patients is realized, and the accuracy and individuation level of nephropathy health management are improved.

The invention belongs to the technical field of traditional Chinese medicine preparations, and particularly relates to a traditional Chinese medicine preparation for treating Parkinson's disease and a preparation method thereof. The traditional Chinese medicine preparation for treating Parkinson's disease comprises the following raw materials in parts by weight: 20-30 parts of bischofia polycarpa, 17-25 parts of eucommia ulmoides, 12-16 parts of artemisia sphaerocephala, 10-15 parts of lycopodium clavatum, 8-13 parts of elm leaves, 7-14 parts of pericarpium citri reticulatae, 5-10 parts of semen cuscutae and 2-7 parts of liquorice. In the formula, monarch, minister, assistant and guide are reasonably matched, the curative effect is exact, and the effects of regulating qi and blood, nourishing liver, warming kidney, activating blood and dissipating blood stasis are achieved. The compound can effectively improve core symptoms of Parkinson's disease and delay disease progression, is expected to be further developed into clinical drugs for treatment of Parkinson's disease, and provides an innovative scheme for traditional Chinese medicine treatment of neurodegenerative diseases.

The invention relates to application of 1, 2, 3, 4, 6-O-pentagalloylglucose in preparation of a medicine for resisting cholestatic liver diseases, and belongs to the technical field of medicinal chemistry. The 1, 2, 3, 4, 6-O-pentagalloylglucose provided by the invention can be used for promoting bile acid excretion by reducing WDR6 protein expression. In-vivo and in-vitro experiments prove that the 1, 2, 3, 4, 6-O-pentagalloylglucose can be used for remarkably relieving the symptom of the cholestatic liver disease. In addition, the 1, 2, 3, 4, 6-O-pentagalloylglucose has no obvious toxic or side effect, and has no obvious influence on the liver function and the kidney function. The 1, 2, 3, 4, 6-O-pentagalloylglucose has a wide anti-cholestatic liver disease spectrum, and is suitable for various cholestatic liver diseases, such as primary biliary cholangitis (PBC), primary sclerosing cholangitis (PSC) and the like.

The invention relates to the technical field of medical image processing, and particularly discloses an intelligent segmentation system for a kidney tumor in a CT image, and the system comprises an image preprocessing module, an ROI automatic detection module, a kidney tumor segmentation module, a segmentation result post-processing module, a visual interaction module, and a model updating module. The system improves image quality through normalization and filtering, uses a target detection network to position a kidney area, realizes precise tumor segmentation based on an integrated channel attention mechanism and a U-Net network guided by structure priori, optimizes a boundary in combination with a conditional random field, adopts a multi-plane fusion strategy to improve three-dimensional consistency, and calculates tumor volume. The system supports federal learning update, improves the cross-mechanism generalization ability, has the advantages of high segmentation precision, strong boundary reducibility, good structural rationality, strong clinical deployment and the like, and is suitable for kidney tumor auxiliary diagnosis and quantitative analysis.

The present disclosure relates to detecting one or more types of urinary system cancer in a biological sample from a subject. In particular, the present disclosure provides compositions and methods for detecting the presence or absence of one or more types of urinary system cancer (e.g., urothelial carcinoma and / or renal cell carcinoma) in a biological sample from a subject suffering from or suspected of suffering from urinary system cancer.

The invention discloses a traditional Chinese medicine composition for treating aplastic anemia and application thereof, and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition comprises active substances, and the active substances are prepared from, by weight, 6-12 parts of semen cuscutae, 6-12 parts of fructus psoraleae, 6-12 parts of fructus ligustri lucidi, 10-14 parts of radix rehmanniae recen, 4-12 parts of radix scutellariae, 4-12 parts of cortex phellodendri, 10-20 parts of poria cocos, 10-30 parts of radix codonopsis, 6-12 parts of rhizoma atractylodis macrocephalae stir-fried with bran and 2-10 parts of radix glycyrrhizae preparata. The traditional Chinese medicine composition is low in cost, high in AA treatment effect and free of toxic and side effects, and has the effects of tonifying kidney, replenishing essence, detoxifying, descending turbidity and the like; the therapeutic effect on AA can be achieved by adjusting glycolysis of macrophages.

The invention discloses a novel HIF-2 alpha proteolysis targeting chimera 1 as well as a preparation method and application thereof, the structural formula 1 of the novel HIF-2 alpha proteolysis targeting chimera 1 is shown in the specification, and the obtained novel HIF-2 alpha proteolysis targeting chimera 1 has good proliferation inhibition activity on kidney cancer 786-O cells. The novel HIF-2alpha protein hydrolysis targeting chimera designed by the invention is novel in structure, few in preparation route process steps, easy to obtain raw materials, suitable for industrial production and good in application value.

Compositions and methods for assessing relative macromolecule abundance (for example, RNA expression levels) in a spatially-defined manner across a tissue sample (for example, from brain, lung, liver, kidney, pancreas, and / or heart) are disclosed, specifically providing deep transcriptomic coverage at high-resolution (for example, at approximate 10 μm (single cell) resolution) across multiple locations assessed across the tissue sample.

The invention belongs to the technical field of kidney puncture, and particularly relates to kidney puncture equipment for living body examination, which comprises a crank assembly, a connecting rod assembly, a variable precision driving assembly, a lifting puncture assembly, a sampling pump, a double-shaft platform and a sliding plate, the sliding plate is arranged on the double-shaft platform, and the crank assembly and the variable precision driving assembly are arranged on the sliding plate. The connecting rod assembly is arranged between the crank assembly and the variable-precision driving assembly, the lifting puncture assembly is arranged in the middle of the sliding plate, and the sampling pump is arranged on the lifting puncture assembly. Under the condition that the precision and the speed of the driving motor are not changed, at the initial stage of descending of the hollow pipe, the relatively high puncture speed is obtained in a precision sacrificing mode, and at the tail stage of descending of the hollow pipe, the relatively high position control precision is obtained in a speed sacrificing mode.

The invention discloses a dual-targeting macrophage membrane nano system and a preparation method and application thereof, and belongs to the field of biological medicine, MKA is wrapped in a macrophage membrane after AuNPs and mitochondrial targeting peptide KLA are connected. The preparation method comprises the following steps: firstly synthesizing AuNPs and modifying, and then wrapping with a macrophage membrane. In treatment, the compound can realize double targeting of tumor cells and mitochondria, enhance radiation-induced DNA damage, inhibit DDR, activate immune pathways and promote T cell infiltration, and can also consume glutathione and amplify oxidative stress to enhance immune effect, and the dose enhancement ratio of the compound in cooperation with 8GyX-rays reaches 3.1. In addition, the MKA is good in biocompatibility in vivo, long in blood circulation time, high in tumor targeting and capable of being quickly cleared through the kidney. The invention provides a new way for tumor radioimmunotherapy, and is helpful for promoting the progress of clinical tumor treatment.

A pharmaceutical composition and a method of administering the pharmaceutical composition to a patient suffering from edema, heart failure, kidney or liver disease or having symptoms thereof is disclosed. The pharmaceutical composition includes furosemide, or a pharmaceutically acceptable salt, hydrate or ester thereof and tris(hydroxymethyl)aminomethane. The furosemide is present in the pharmaceutical composition at a concentration from about 10 mg / mL to about 30 mg / mL and the tris(hydroxymethyl)aminomethane is present at a concentration of less than or equal to 40 mM. The pH value of the pharmaceutical composition is maintained between about 8.0 and about 8.5 for parenteral administration.

The invention provides a traditional Chinese medicine composition for treating ovarian reserve function decline. The traditional Chinese medicine composition is prepared from the following medicines in parts by mass: 9-30 parts of radix astragali preparata, 6-20 parts of roasted rhizoma atractylodis macrocephalae, 10-15 parts of poria cocos, 2-10 parts of radix glycyrrhizae preparata, 6-20 parts of semen cuscutae, 9-20 parts of radix dipsaci (dipsacus root), 6-12 parts of herba lycopi and 6-15 parts of lily. Experimental results show that the traditional Chinese medicine composition is suitable for improving the ovarian function of a patient suffering from spleen-kidney deficiency type ovarian reserve function decline.

This disclosure is directed to two cancer-associated fibroblast (CAP) subtypes, namely permissive (permCAF) and restraining (restCAF), in pancreatic ductal adenocarcinoma (PDAC), mesothelioma, urothelial carcinoma, or renal cell carcinoma. Methods are disclosed that describe how to identify a tumor sample as a perCAF or a restCAF subtypes. Methods are also disclosed that use the subtypes for diagnosis, prognosis, differential treatment, and treatment.

A method of localizing a target anatomy involves advancing a ureteroscope to a target calyx of a kidney of a patient through at least a portion of a urinary tract of the patient, determining a positional offset between one or more position sensors associated with the ureteroscope and a target papilla of the kidney that is at least partially exposed within the target calyx, and determining a percutaneous access target based at least in part on one or more of a present position of the one or more position sensors or the positional offset.

The invention discloses a negative pressure suction sheath and a negative pressure suction assembly, and relates to the technical field of medical instruments, the negative pressure suction sheath comprises an insertion tube and a sealing element, the insertion tube is internally provided with a containing channel, the sealing element is arranged in the insertion tube, and the sealing element is in sealing fit with the insertion tube and can block the containing channel. The insertion tube can be inserted into the human body, such as kidney and bladder. The sealing piece can isolate the containing channel of the insertion pipe from the external environment, and the insertion pipe is communicated with the ureter and extends to the kidney. At the moment, the sealing piece can prevent the containing channel of the insertion tube from being directly communicated with the outside, so that the pressure in a cavity and organs is effectively maintained, the pressure change amplitude and range of the kidney are reduced, the pressure change in the organs such as the kidney and the like is stabilized, and the probability that the kidney mucosa bleeding due to the pressure change is effectively reduced. Therefore, the onset risk of complications is reduced.

The invention belongs to the technical field of nuclear medicine, and relates to a CAIX-targeted cyclic peptide and a preparation method and application thereof, the CAIX-targeted cyclic peptide structure is shown as a formula 1, Linker is a cyclization connexon, and Chenator is a nuclide chelating group. The CAIX-targeted cyclic peptide provided by the invention has high affinity with CAIX, and has low affinity with isoenzyme CAII of CAIX, so that the CAIX-targeted cyclic peptide has high selective affinity with CAIX; the nuclide-labeled radioactive probe has high labeling rate and excellent in-vitro stability, has excellent pharmacokinetic characteristics in tumor-bearing model mice of human renal clear cell carcinoma, and has extremely high tumor uptake, tumor-muscle ratio and tumor-kidney ratio which can meet diagnosis requirements; due to the long-time retention characteristic in tumors, the polymer has a relatively high tumor treatment application value.

The invention provides a traditional Chinese medicine composition and application thereof in preparation of anti-fatigue health care wine, and relates to the technical field of traditional Chinese medicine preparation and traditional Chinese medicine health care. The traditional Chinese medicine composition takes medicinal and edible traditional Chinese medicinal materials as raw materials, is prepared from herba cistanche, radix acanthopanacis semticosi, radix asparagi, fructus phyllanthi, pollen typhae, fructus canarii, herba cichorii, folium microcotis, semen canavaliae and fructus citri, and has the effects of tonifying kidney and spleen, tonifying qi and yin and combining clearing and tonifying. The traditional Chinese medicine composition and the health-care wine prepared from the traditional Chinese medicine composition provided by the invention have an excellent anti-fatigue effect, and can be used for remarkably prolonging the weight-bearing exhaustion swimming time of mice, remarkably reducing the plasma urea nitrogen content of the mice after exercise, remarkably improving the hepatic glycogen content of the mice and remarkably improving the blood lactic acid clearance of the mice after exercise; the obvious physical fatigue relieving effect is realized. The compound is expected to be developed into anti-fatigue medicines or health-care products.

Therapeutic compositions comprising chitosan-derived compositions are useful agents when administered in connection with methods for treating neoplasms, such as for instance, malignant lung, thyroid and kidney neoplasms, and other types of malignant neoplasms, and other medical disorders.

The present invention relates to a compound of Formula 1, a preparation method thereof, a pharmaceutical composition comprising the same as an active ingredient, and a use thereof. The compound of Formula 1 according to the present invention can exhibit cell necrosis and ferroptosis inhibitory efficacy in various cells such as heart, kidney, nerve, retina, liver, or lung cells, and accordingly, can be usefully used for prevention or treatment of cell necrosis or ferroptosis-related diseases

The present invention provides an improved breath analyzer and breath test method to determine the presence of disease in humans, including but not limited to, the bacterium H. pylori in a subjects digestive tract. In certain embodiments, the present invention provides a universal breath testing platform and methods of testing for diseases of the gastrointestinal tract, the liver, the kidneys, and the lungs, along with testing for cancer, infections, and metabolic diseases.

The invention discloses a recombinant protein preparation for optimizing a human pluripotent stem cell-derived kidney organoid, which comprises ANXA2, a human pluripotent stem cell-derived kidney organoid and a human pluripotent stem cell-derived kidney organoid, it is found for the first time that ANXA2 can significantly improve fate specialization of early differentiated cells to kidney lineages, significantly improve the stability of kidney organoid products obtained in different experiment batches, and significantly improve the overall vascularization level and maturity degree of kidney organoid products in the final differentiated stage; a new thought and strategy are provided for construction of the human pluripotent stem cell-derived kidney organoid, and the human pluripotent stem cell-derived kidney organoid has a wide application prospect.

Provided in the present invention are a monosubstituted cyclic ligand, and a preparation method therefor and a use thereof, and a monosubstituted cyclic rare earth complex, and a preparation method therefor and a use thereof, relating to the technical field of contrast agents. The monosubstituted cyclic ligand uses the ring structure of 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid as a parent ring, and an R-modified tyrosine group increases the structural rigidity of the parent ring and improves the stability of the complex. Direct introduction of benzyloxy-, ethoxy- or hydroxy-substituted benzyl substituents on the carbon atoms of the DOTA ring maintains the original eight-coordination structure, and improves the relaxation rate of the complex, in addition to increasing the stability of the complex. Compared with Gd-DOTA, both the kinetic inertia and the relaxation rate are improved. The complex formed by the ligand and Gd(III) or Eu(III) is highly stable, and has strong specificity for the liver or for inflammation, and causes no obvious damage to the heart, the liver, the spleen, the lungs or the kidneys.

According to an embodiment, disclosed is a system comprising a processor configured to receive an image of a breast of a patient and patient data comprising genetic data; extract features from the image and the patient data, using one or more machine learning models, wherein the features comprise a presence of a calcification and a calcification pattern to generate a breast calcification vector; augment the breast calcification vector with the genetic data; determine, using the machine learning models, a first risk for a breast cancer; a second risk to one or more organs of the patient, wherein the organs comprises one or more of heart, kidney, lungs, pancreas, and brain; predict, a third risk based on one or more of a healing response, a tumor flow and growth, inflammation and degeneration, a disease relapse, an adverse event, and a clinical response; and determine, an overall risk to the patient.

The invention relates to the technical field of image recognition, and discloses an image feature recognition method and system applied to the early stage of kidney diseases. According to the method, the features in the original ultrasonic image are extracted in parallel, and the micro texture change and the macroscopic form information shown in the abnormal area can be captured respectively, so that the limitation of a traditional single-scale feature extraction method in coping with diffusive and weak-saliency image features is overcome; the local texture feature map and the global structure feature map are analyzed, quantization and positioning of weak texture changes are achieved, priori knowledge is converted into objective indexes, pixel-level fusion is carried out on a texture abnormal map and a region importance weight map, and through the knowledge-guided and data-driven deep fusion method, the deep fusion of the texture abnormal map and the region importance weight map is achieved. It is ensured that the finally recognized abnormal area is not only a statistical outlier but also conforms to importance distribution of an image structure, and high-precision automatic recognition of weak and diffuse features in the kidney medical image is facilitated.