46 results about "Aneurysm dissecting" patented technology

The invention discloses a method for forming an aortic stent graft. The method comprises the following steps: acquiring an image of aorta, and extracting a three-dimensional (3D) model of the aorta according to the image; extracting diameter characteristics of the aorta in the axial direction of the aorta of the 3D model; reconstructing an aortic vascular model according to the extracted diameter characteristics; 3D-printing a water-soluble vascular inner core according to the aortic vascular model; dip-coating a polymer film on a surface of the water-soluble vascular inner core; spirally weaving a metal mesh outside the treated water-soluble vascular inner core as a metal stent; bonding the polymer film and the metal stent, and then removing the water-soluble vascular inner core to obtain the aortic stent graft. The method provided by the invention can efficiently and accurately manufacture a vascular stent graft according to the actual size of a thoracic descending aorta of a patient based on a 3D printing technology, can effectively solve a detect that an existing equal-diameter vascular stent does not match a true vascular size of the patient, provides an effective medical means for treatment of acute vascular aneurysm, and has important clinical value.

This invention is directed to pyrrole, pyrazole, imidazole, triazole, and morpholine based selective androgen receptor degrader (SARD) compounds including heterocyclic anilide rings and their synthetic precursors, R-isomers, and non-hydroxylated and/or non-chiral propanamides, and pharmaceutical compositions and uses thereof in treating prostate cancer, advanced prostate cancer, castration resistant prostate cancer, triple negative breast cancer, other cancers expressing the androgen receptor, androgenic alopecia or other hyperandrogenic dermal diseases, Kennedy's disease, amyotrophic lateral sclerosis (ALS), abdominal aortic aneurysm (AAA), and uterine fibroids, and to methods for reducing the levels of androgen receptor-full length (AR-FL) including pathogenic or resistance mutations, AR-splice variants (AR-SV), and pathogenic polyglutamine (polyQ) polymorphisms of AR in a subject.

The invention discloses application of FAM210B in the preparation of diagnostic tools for abdominal aortic aneurysm. Experiments prove that FAM210B has expression differences in normal control tissues and abdominal aortic aneurysm tissues; therefore, it is reckoned that FAM210B is a molecular marker for diagnosing abdominal aortic aneurysm. Experiments via in-vitro cultured cells prove that by accelerating the expression of FAM210B, it is possible to inhibit the apoptosis of human aortic smooth muscle cells; therefore, it is reckoned that FAM210B is a drug target for treating abdominal aortic aneurysm. As a new molecular marker for diagnosing and treating abdominal aortic aneurysm, the molecular marker has a promising clinical application prospect.

The invention relates to a set of serum markers for detection of aortic aneurysm/aortic dissection and application thereof. The set of serum markers can be individually used for or arbitrarily combined for distinguishing aortic aneurysm/aortic dissection patients and normal people. The serum markers are protein factors, which include: LCN2: lipocalin, SAA: serum amyloid protein A.

Tricyclic sulfonamide compounds and derivatives are described as well as methods for the preparation and pharmaceutical compositions of same, which are useful as inhibitors of matrix metalloproteinases, particularly gelatinase A, collagenase-3, and stromelysin-1 and for the treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurysm, heart failure, left ventricular dilation, restenosis, periodontal disease, corneal ulceration, treatment of burns, decubital ulcers, wound healing, cancer, inflammation, pain, arthritis, osteoporosis, renal disease, or other autoimmune or inflammatory disorders dependent upon tissue invasion by leukocytes or other activated migrating cells, acute and chronic neurodegenerative disorders including stroke, head trauma, spinal cord injury, Alzheimer's disease, amyotrophic lateral sclerosis, cerebral amyloid angiopathy, AIDS, Parkinson's disease, Huntington's disease, prion diseases, myasthenia gravis, and Duchenne's muscular dystrophy.

The invention belongs to image analysis, particularly relates to an aneurysm image analysis system and method based on double-flow boundary perception and equipment, and aims to solve the problem that an aneurysm image cannot be accurately analyzed according to a developed image in an existing image analysis technology. The method comprises the steps of obtaining a DSA image of a region containing aortic aneurysm as a to-be-detected image, and generating an aortic aneurysm boundary feature image and an aortic aneurysm image mask through a trained double-flow boundary sensing network based on the to-be-detected image, and obtaining morphological information of the aortic aneurysm image based on the aortic aneurysm image mask and the aortic aneurysm boundary features in combination with the DSA image. The extracted features are input into the double-flow boundary sensing network, and the boundary features and the mask image are extracted and fused at the same time, so that the accuracy of the aneurysm image is improved, the problem that the boundary of the aneurysm image is fuzzy in the prior art is solved, and morphological analysis of the aneurysm can be carried out more accurately.

The invention relates to a bare stent capable of being compressed in an axial direction. The bare stent is used for an aorta and is formed by overlapping and interweaving at least two first wires and second wires with different diameters, in a natural release state, the bare stent has a metal coverage rate of at least 30%, and the diameter of the first wires is 20-150 micrometers, and the diameter of the second wires is 150-600 micrometers. When the bare stent is used for treating aortic aneurysm and/or aortic dissection lesion, low liquid permeability and strong radial supporting force are provided for a needed part in the aorta through the axial compressibility of the stent.

The invention relates to a stent, a stent set and a stent delivery system. The stent is used in the aorta and is characterized in that the stent is formed by weaving at least two kinds of first silk and second silk with different diameters, the stent is constructed to be at least partially compressible and extensible in the axial direction of the stent in a natural release state, the first silk has the diameter of 20-150 microns, and the second silk has the diameter of 150-800 microns. When the stent is used for treating aortic aneurysm and/or aortic dissection lesions, low liquid permeability and strong radial supporting force are provided for the required part in the aorta through the axial compressibility and extensibility of the stent, and the stent is easily assembled into the delivery system with the proper diameter through the axial extensibility of the stent. The invention further provides the stent set comprising the stent and the stent delivery system.

The invention belongs to the technical field of aortic aneurysm auxiliary diagnosis, and particularly relates to a deep learning-based computed tomography aortic aneurysm auxiliary diagnosis method, which comprises the following steps of: 1, data acquisition: firstly, retrospectively collecting a plurality of common CT scans with aorta from a hospital area of a hospital; 2, data processing: dividing the data into three data sets: a training set, an internal test set and an external test set; and 3, establishing a model, constructing an auxiliary diagnosis tool by using an Attention-Unet convolutional neural network, evaluating the risk, detection sensitivity, specificity and accuracy of the aortic aneurysm in a test set by using the auxiliary diagnosis tool. The method is reasonable in design and has good diagnosis capability on aortic aneurysm; when the method is used in combination with radiologists, the film reading and decision-making capabilities of the radiologists can be remarkably enhanced, and the overall strength of imaging departments is improved. Therefore, the performance of the advanced technology proves that the non-invasive, cheap and convenient method has the potential of clinical tests.

The invention relates to a bare stent compressible and stretchable in the axial direction. The bare stent is used in the aorta and provided with at least two layers of woven meshes, and is characterized in that the bare stent is provided with a non-sparse-mesh area and a sparse-mesh area; the non-sparse-mesh area is formed by overlapping and interweaving at least two kinds of first wires and second wires with different diameters, the first wires have the diameter of 20-150 microns, and the second wires have the diameter of 150-600 microns; the sparse-mesh area is only composed of the second wires and is arranged at the position, with a branch artery, in the corresponding treatment position after the bare stent is released; and in the natural release state, except the sparse-mesh area, the bare stent has the metal coverage rate of at least 60%. The present invention relates to the bare stent for the treatment of aortic aneurysms and/or aortic dissection lesions, in particular type A aortic dissection, which is axially stretchable and radially compressible in a released state to obtain a delivery configuration of suitable dimensions for performing a procedure using a delivery catheter conventionally delivered through the femoral artery.

The invention relates to pharmaceutical application of hydrogen sulfide synthase (CSE), in particular to application in preparation of drugs for treating aortic aneurysm and aortic dissection. The CSE adeno-associated virus improves the endothelial function and inhibits the onset of aortic aneurysm and aortic dissection. According to the invention, the effect of the hydrogen sulfide synthase CSE on endothelial injury caused by mechanical traction and prevention of aortic aneurysm and aortic dissection is defined. A new means is provided for treating the main aneurysm and the aortic dissection.

The present invention relates to the use of a compound that can inhibit tyrosine hydroxylase, such as alpha-methyl-p-tyrosine (AMPT), for the prevention or treatment of aortic aneurysm, preferably of the abdominal aortic.

The invention provides pharmaceutical application of a hydrogen sulfide donor, particularly relates to application of hydrogen sulfide and a hydrogen sulfide donor in preparation of medicines for treating aortic aneurysm and aortic dissection, and particularly relates to application of sodium hydrosulfide, DATS, L-cysteine and analogues thereof, GYY4137, ADT-OH and analogues thereof, and Gem-dithiol and analogues thereof in preparation of medicines for treating aortic aneurysm and aortic dissection. According to the invention, through an integral animal model, the hydrogen sulfide and the hydrogen sulfide donor are determined to be capable of reducing the occurrence rate and death rate of aortic aneurysm and aortic dissection, increasing the content of hydrogen sulfide in circulating blood, inhibiting expression of inflammatory factors in the process of aortic aneurysm and aortic dissection, and improving loss of smooth muscle cells in the process of aortic aneurysm and aortic dissection. The hydrogen sulfide donor can be used as a treatment medicine for improving occurrence and development of aortic aneurysm and aortic dissection.

The present invention addresses the problem of providing a therapeutic agent for an abdominal aortic aneurysm, the therapeutic agent making drug therapy possible.

The present invention provides a therapeutic agent for aortic aneurysm, the therapeutic agent having as active ingredients: (−)-6-[3-[3-cyclopropyl-3-[(1R,2R)-2-hydroxycyclohexyl]ureido]propoxy]-2(1H)-quinolinone or a salt thereof, or a solvate of these; and a statin.