11 results about "Vascular dilatation" patented technology

The invention relates to a composition for fading acne marks and application thereof. The composition for fading acne marks comprises PDRN, a lactobacillus / algae extract fermentation product and a fig fruit extract. The acne mark fading composition disclosed by the invention has a synergistic interaction effect, and can efficiently inhibit release of inflammatory factors and fade red marks caused by vasodilatation from the source; the traditional Chinese medicine composition has the advantages that melanin generation can be more synchronously intervened, black marks caused by pigmentation can be effectively prevented and improved, red acne marks and black acne marks can be simultaneously improved through multiple channels by the synergistic mechanism, and the traditional Chinese medicine composition is mild and non-irritant and is more suitable for improving mixed acne marks.

The invention discloses a coronary medicine balloon dilatation catheter, and belongs to the technical field of medical instruments. In order to solve the problems that an existing drug balloon is high in blood flow blocking risk, large in drug loss and uneven in drug distribution, the balloon dilatation catheter comprises a catheter body, a dilatation balloon, a drug delivery catheter, a drug storage bin, a driving connecting rod, a connecting ring and a guiding head. The dosing catheter protrudes out of the periphery of the dilatation balloon at intervals, the flexible side wall of the medicine storage bin communicates with the liquid injection cavity channel, and the driving connecting rod drives the dosing catheter to rotationally apply medicine through spiral transmission; the catheter body is provided with an independent blood flow cavity channel and a blood inlet, and a gap formed by the catheter body and the administration catheter forms a double-channel blood flow path. The invention realizes the synergy of vasodilatation, accurate and uniform administration and continuous blood perfusion, reduces drug loss and non-targeted deposition, reduces myocardial ischemia complications and postoperative restenosis risk, is simple and convenient to operate, and is suitable for various coronary heart disease treatment scenes.

The utility model discloses a limb pressure sleeve capable of being used for cold and hot compress, which comprises a pressure sleeve body, an air pipe arranged in the pressure sleeve body, a plurality of air bags symmetrically arranged on one side face of the pressure sleeve body, a contact layer arranged on one side face of the pressure sleeve body, a heating film arranged between the contact layer and the pressure sleeve body, and a cable arranged in the pressure sleeve body. A plurality of notches are symmetrically formed in one side face of the contact layer, a storage bag is arranged on one side face of the contact layer and located among the notches, and a second hook-and-loop fastener thorn face is arranged on one side face of the inner wall of the storage bag. The heating film is heated through power supply of the cable, the heating film is a carbon nano tube / TPU composite film, the heating film is started to heat the legs, and heating can enable local blood vessels to expand, increase blood flow, improve the conveying efficiency of oxygen and nutrient substances, accelerate discharge of metabolic waste, reduce blood viscosity and reduce blood flow resistance, so that the legs are protected from being damaged. The pharmaceutical composition is of clinical significance to patients with hyperlipidemia or diabetes mellitus.

The utility model discloses an extracorporeal circulation puncture suite which comprises a dilator, a puncture accessory and a suture accessory, and the dilator used for blood vessel dilation, the puncture accessory used for puncture and the suture accessory used for fixing a pipeline are sealed in a packaging bag body after being sterilized through ethylene oxide. The dilator is provided with dilation heads for dilating blood vessels continuously in a staged mode, and the number of the dilation heads on the dilator can be adjusted. The extracorporeal circulation puncture kit has the advantages that the multi-stage dilator with the adjustable dilation head in the extracorporeal circulation puncture kit is used for performing staged continuous dilation on blood vessels, repeated replacement of the dilator is avoided, the risk of infection of a patient is reduced while the operation efficiency is improved, and due to the staged continuous dilation, intubation tubes of different specifications are high in universality and high in practicability. Due to the design that the hydrophilic coating and the hardening material are additionally arranged on the guide wire, the surface of the guide wire is smoother, puncture catheterization is smoother and more accurate, due to the arrangement of the suture accessory, the problems of intubation fixing and skin wound suture are solved in a clinical one-stop mode, and the preparation workload of clinical operations is reduced.

The application belongs to the technical field of medicine, and particularly relates to application of acacetin or 6-hydroxyflavone in preparation of anti-angina pectoris drugs, and aims to solve the problems of adverse reactions such as blood pressure drop, reflex tachycardia and the like caused by non-selective vasodilation of existing anti-angina pectoris drugs, wherein the drug improves myocardial blood supply by selectively dilating coronary vessels of the heart, wherein acacetin dilates coronary vessels of the heart by inhibiting cardiac coronary vessel myosin light chain kinase and activating myosin light chain phosphatase, and 6-hydroxyflavone dilates coronary vessels of the heart by inhibiting protein kinase C and enhancing myosin light chain phosphatase activity; and the acacetin or 6-hydroxyflavone significantly reduces the symptoms of myocardial ischemia of rats caused by isopropyl adrenaline, improves characteristic ECG abnormal changes of angina pectoris, does not affect heart rate and systemic blood pressure, and is safer, thereby providing a potential drug selection for anti-angina pectoris treatment.

A balloon catheter and balloon system particularly useful with drug-coated balloons is described. In some embodiments, the balloon catheter system includes various features designed to address problems with drug rubbing off due to contract friction during delivery of the balloon—including by utilizing a protective sleeve to shield the drug-coated balloon. In some embodiments, the balloon catheter system includes an inner high-pressure balloon and an outer drug-coated balloon to mitigate the time associated with performing vessel dilation.

The utility model provides a medicine balloon and a blood vessel dilatation device using the same. The medicine balloon comprises an outer balloon and a dilatation balloon arranged in the outer balloon. The expansion bag comprises a plurality of leaf separating bags with windmill leaf-shaped structures; a plurality of leaf separating bags with windmill leaf-shaped structures form a gap channel during expansion, and blood circulation is allowed to be maintained in the expansion process, so that the ischemia risk of the far-end tissue of a target blood vessel is reduced; the method is particularly important for complex lesions needing long-time expansion; and the occurrence of related complications can be reduced. Meanwhile, due to the multi-leaf structure of the leaf-dividing bag, the leaf-dividing bag of the windmill leaf-shaped structure can fully expand the narrow part; the treatment efficiency and the success rate are improved; the innovative dilation equipment is not only suitable for treatment of common vascular stenosis, but also has important application value for special requirements of drug balloon dilation treatment and the like.

A rehabilitation training wrist developer belongs to the field of rehabilitation training instruments. Comprising an elastic rubber airbag; the outer circular surface of the elastic rubber air bag is fixedly connected with a finger ring, and the outer circular surface of the elastic rubber air bag is also fixedly connected with a fixing seat for fixing a thumb; the fixed seat is arc-shaped, and an arc-shaped groove and a groove communicated with the arc-shaped groove are formed in the inner circular surface of the fixed seat; pressing air bags are fixedly connected into the arc-shaped grooves and the grooves; the end, located in the arc-shaped groove, of the pressing air bag is fixedly connected to the outer circle face of the elastic rubber air bag, and a through hole communicating the pressing air bag with the elastic rubber air bag is formed in the outer circle face of the elastic rubber air bag. The elastic rubber air bag is used for replacing a traditional body-building hand-muscle developer, inflammation aggravation or secondary injury induction caused by excessive friction between tendons and tendon sheaths is avoided, meanwhile, the functions of pressing the thumb of a patient and stimulating vasodilatation are achieved, blood circulation is promoted, metabolic waste discharge is accelerated, swelling and stiffness are relieved, and the body-building effect is achieved. The muscle tension can be relieved.

The invention discloses a tuna blood-source active peptide with ACE inhibitory activity and application thereof, and relates to the technical field of biology. The tuna blood-source active peptide with ACE inhibitory activity is obtained through screening, the tuna blood-source active peptide is composed of five amino acids, the sequence of the tuna blood-source active peptide is DYFMR, the molecular weight of the tuna blood-source active peptide is 730.81 Da, and the tuna blood-source active peptide can effectively inhibit the ACE activity, can adapt to environmental changes and has high bioavailability and good biological safety. The action mode of the tuna blood-source active peptide is mainly through stable combination of a hydrogen bond and ACE protein, and cell experiments prove that the tuna blood-source active peptide prevents conversion from Ang I to Ang II, reduces generation of angiotensin factors and improves release of vasodilatation factors. The tuna blood-source active peptide has the potential of being developed into antihypertensive drugs and products beneficial to maintaining the blood pressure health level, and has high market application value.

The polypeptide feed is prepared from the following raw materials in percentage by mass: 35%-40% of a plant crude extract, 35%-45% of a protein source, 5%-8% of microbial flora and 15%-20% of a fermentation auxiliary material, wherein the plant extract is prepared from the following raw materials in percentage by mass: 50% of an astragalus membranaceus crude extract, 30% of a codonopsis pilosula crude extract and 20% of an angelica sinensis crude extract. The feed contains various plant and animal-derived amino acids, can supplement various nutrients in animal bodies, maintain amino acid balance, and is beneficial to enhancing protein fat absorption, promoting muscle and fat growth and improving meat quality and flavor, and meanwhile, the rich peptide contains various beneficial bacteria and free fatty acids, so that vasoactive intestinal peptide causes vasodilatation of mesentery, and the meat quality and flavor are improved. Protease and digestive enzymes are secreted in quantity, intestinal tract movement is enhanced, digestive absorption and anabolism of the body are enhanced, and therefore growth of the body is promoted.

Provided in the present description are a vascular projection visualization method and apparatus, and a storage medium and an electronic device. The method comprises: acquiring a first image of a target region by computed tomography angiography and a second image of the target region by digital subtraction angiography; determining a vascular path and a plaque region in the first image, and constructing a mesh structure of the vascular path; on the basis of a positional relationship between the mesh structure and the plaque region in the first image, obtaining an occlusion relationship between the mesh structure and the plaque region; and on the basis of the occlusion relationship, rendering a mesh structure and the plaque region in the second image, so as to obtain a fused image. A mesh structure of a vascular path is constructed, and on the basis of an occlusion relationship between the mesh structure and a plaque region, the mesh structure and the plaque region are rendered in a second image to obtain a fused image, such that a positional relationship between the mesh structure and the plaque region in a mapping direction of the second image is intuitively reflected while the degree of vascular stenosis, the degree of vascular dilation, and the location of a plaque are displayed.