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61 results about "Endocarditis" patented technology

Infection of the endocardium, usually involving heart valves.

Analysis method and system of metagenome data

The invention relates to an analysis method and a system of metagenome data. According to the invention, a preliminary species identification result of a sample is obtained on the basis of a k-Mer algorithm, a part or all of supporting sequences are extracted on the basis of the preliminary species identification result, and the preliminary species identification result is verified by using a blast algorithm to judge whether the preliminary species identification result is a reported detected species or not. The method and system disclosed by the invention can lower false positivity, quickly and accurately obtain the reported detected species of the sample in a short time, and are compatible with various mainstream sequencing platforms, thereby being suitable for second-generation sequencing technologies and third sequencing technologies; the method and system of the invention can also accurately identify drug-resistant genes and drug-resistant mutation sites of the sample and map thedrug-resistant genes and the drug-resistant mutation sites of the sample to the reported detected species. Furthermore, the system disclosed by the invention can be used for identifying pathogenic microorganisms, especially endocarditis pathogens to overcome the defect that the endocarditis pathogens are difficultly cultured.
Owner:SIMCERE DIAGNOSTICS CO LTD +2

Peripheral-leakage prevention stent device with covering film, processing method, skirt hem wrinkling method and cardiac valve

The invention discloses a peripheral-leakage prevention stent device with a covering film, a processing method, a skirt hem wrinkling method and a cardiac valve. The stent device comprises a stent, and further comprises a flexible skirt hem. The skirt hem has a spreading state and a piling state, when the skirt hem is in the spreading state, the skirt hem stretches axially and surrounds the outerperiphery of the stent before releasing, and when the skirt hem is in the piling state, the skirt hem is driven by deformation generated when the stent is released and folded and piled in the axial direction of the released stent to form an annular peripheral-leakage prevention blocking part. According to the device, a peripheral-leakage prevention technology is adopted, so that the interventionalstent is more identical to the inner wall of the blood vessel, the stent is not easily displaced and is more stable, the range of applicable people is expanded, the additional risk of an operation isreduced, and complications such as peripheral leakage and thrombus are prevented and treated; better hemodynamic performance is provided, the climbing and covering function of endothelial cells of the host is enhanced, the occurrence probability of endocarditis is reduced, and normal blood supply functions of the heart and blood vessels are restored.
Owner:VENUS MEDTECH (HANGZHOU) INC

Cefathiamidine monocrystal

The invention relates to cefathiamidine monocrystal, a preparation method, use and a composition thereof. The cefathiamidine monocrystal disclosed by the invention is prepared by comprising the following steps of: adding three solvents, namely ethanol, water and acetone, into a clean conical flask in any sequence according to any proportion, wherein the volume ratio of ethanol, water to acetone is (4-10):1:(0.05-3.67), during, before or after adding various solvents, adding cefathiamidine, dissolving at room temperature, and preparing cefathiamidine solution with the concentration of 0.05-0.5 g / ml; sealing by using a plastic film, and pricking a plurality of small holes on the plastic film; storing at 0-15 DEG C; and beginning to generate tiny crystals after about 48 h, and then obtaining cefathiamidine monocrystal after above 96 h. The preparation method disclosed by the invention is simple and convenient for operation and simple in equipment; the prepared monocrystal is good in stability; the cefathiamidine monocrystal composition disclosed by the invention is a composition composed of monocrystal and pharmaceutically acceptable carriers, preferably injection; the cefathiamidine monocrystal disclosed by the invention can be used for preparing medicines for treating respiratory tract infection, biliary tract infection, urinary tract infection, wound and surgical infection, skin and soft tissue infection, gynaecological infection, ear-nose-throat infection, endocarditis, blood poisoning, pneumonia and meningitis.
Owner:GUANGZHOU BAIYUNSHAN PHARM CO LTD

Vascular stent prosthesis for preventing peripheral leakage from creased skirt edge, processing method and skirt edge creasing method

The invention discloses a vascular stent prosthesis for preventing peripheral leakage from a creased skirt edge, a processing method and a skirt edge creasing method. The vascular stent prosthesis comprises a stent and a flexible skirt edge, wherein the skirt edge has a spreading state and a stacking state; in the spreading state, the skirt edge axially extends and encircles the periphery of the stent before release; in the stacking state, the skirt edge is driven under the deformation effect during release of the stent and folded and stacked in the axial direction of the released stent to form an annular circumferential leakage blocking part; the vascular stent prosthesis is also provided with a traction rope which only penetrates through the skirt edge, and the traction rope is linked with the radial deformation when the stent is released so as to drive the skirt edge to switch into the stacking state. According to the vascular stent prosthesis, a peripheral leakage prevention technology is adopted for ensuring that the interventional stent is better matched with the inner wall of a blood vessel, the stent is unlikely to move and more stable, the range of the suitable crowds is enlarged, the additional risk of an operation is reduced, and complications such as peripheral leakage, thrombus and the like are prevented. Better hemodynamic performance is provided, the climbing function of host endothelial cells is improved, the occurrence probability of endocarditis is decreased, and the normal blood supply function of the heart and blood vessels recovers.
Owner:VENUS MEDTECH (HANGZHOU) INC
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