97 results about "Arterial vessel" patented technology

The invention discloses a traditional Chinese medicine composition with an effect of improving artery blood vessel plaque and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicine. The technical problem to be solved is to provide a traditional Chinese medicine composition capable of improving vascular plaques such as carotid artery, aortic arch, brachial trunk, subclavian artery and the like aiming at the current situation that adverse reactions exist when statin lipid-lowering drugs and antiplatelet drugs are taken for a long time to treat artery vascular plaques. According to the technical scheme, the traditional Chinese medicine composition with the effect of improving the artery blood vessel plaque is characterized by comprising radix puerariae, red yeast rice, folium cortex eucommiae, hippophae rhamnoides leaves and natto.

Systems and methods are provided for reducing the reliance on operator skill during vascular ultrasound procedures. The placement of an ultrasound probe to assess perfusion associated with a wound may be facilitated by receiving input suitable for identifying an anatomical region associated with the wound and providing an indication of a suitable initial probe position, and optionally, probe orientation, for acoustically interrogating a target arterial vessel known to provide perfusion to the anatomical region associated with the wound. Regions exhibiting arterial flow may be detected as the probe is moved, enabling arterial vessel detection and localization. A subregion within the detected arterial vessel and a beam steering angle may be autonomously determined for spectral Doppler data collection, enabling the measurement of hemodynamic measures associated with the arterial vessel. Example apparatus for securing the probe to the patient and facilitating probe positioning to search for a target vessel are disclosed.

The invention discloses a preparation method of vascular tissue-derived extracellular vesicles, and belongs to the field of cytobiology. According to the preparation method of the extracellular vesicles, the artery blood vessel tissue is directly subjected to enzymolysis through collagenase, the extracellular vesicles are obtained by combining low-speed centrifugation and ultra-speed centrifugation methods and utilizing a differential centrifugation mode, and the technical blank of obtaining the extracellular vesicles from the blood vessel tissue is filled. Experimental results show that the extracellular vesicles can be successfully prepared from collagenase I, collagenase II, collagenase IV, collagenase V or collagenase IV combined with elastin, the prepared extracellular vesicles are different in particle size, form, yield, protein quantity, purity and the like, and the quality of the extracellular vesicles obtained by enzymolysis of collagenase IV combined with elastin is optimal. The extracellular vesicles are extracted from vascular tissues with normal physiological characteristics for the first time, a new source is provided for preparation of the extracellular vesicles, and the extracellular vesicles have great significance in expanding application of the extracellular vesicles.

The utility model relates to a large area contact type thread type degradable magnesium alloy aortic blood vessel anastomat, including the conical inner ring, conical outer ring and sleeve outer ring that set gradually from inside to outside, be provided with blood vessel clamping space between the conical inner ring and conical outer ring, it is the thread cooperation between conical outer ring and sleeve outer ring, adjust the size of blood vessel clamping space through the rotation sleeve outer ring, sleeve outer ring. The utility model simple structure, reasonable in design, convenient to use, adjust the size of blood vessel clamping space through the rotation conical outer ring and sleeve outer ring to fixed blood vessel, realize blood vessel anastomosis fast, avoid the mode of the traditional everted type through end face combination simultaneously, greatly increase the contact area between blood vessel and prevent the occurrence of blood leakage.

The application discloses a kind of peripheral blood vessel tension measurement method and device based on ultrasound, it is related to the technical field of hemodynamics monitoring.The application collects the ultrasound image and arterial spectrum data of peripheral artery, obtains the pressure gradient variation characteristic parameter of peripheral artery from the ultrasound image of peripheral artery;According to the arterial spectrum data of continuous multiple heart cycles in the time period set according to peripheral artery, the resistance characteristic parameter of the rise and fall of blood flow velocity and the forward blood flow of peripheral artery are obtained;The pressure gradient variation characteristic parameter, resistance characteristic parameter and forward blood flow are used, which comprehensively reflect the peripheral arterial vessel tension situation.The application can use ultrasound to realize non-invasive, convenient and dynamic real-time reflection of peripheral vessel tension, and the hemodynamic changes can be fed back through the peripheral vessel tension waveform diagram, which is beneficial to early warning and helpful for health management and clinical guidance.

The application discloses an arteriovenous fistula blood vessel lining support and a use method thereof, and the arteriovenous fistula blood vessel lining support has a three-way pipe structure; the axes of two passages in the three-way pipe structure are on a straight line to form a straight pipe, and the axis of the other passage has a variable included angle with the straight line formed by the axes of the first two passages to form a bifurcated pipe; the straight pipe and the bifurcated pipe jointly form a three-way shape of the support with an inner cavity and have optional additional structures near each port; the straight pipe is used for being implanted into an arterial blood vessel; and the bifurcated pipe is used for sleeving a venous blood vessel which needs to be connected. After the arteriovenous fistula blood vessel lining support is embedded, the occurrence of turbulent flow is effectively reduced, blood composition deposition is reduced, the probability of vascular hyperplasia and vascular stenosis is reduced, the arteriovenous fistula maturation time is shortened, and the use time of the fistula is prolonged.

This application relates to a method and related apparatus for vascular imaging of an artificial artery and vein arm. The method includes the following steps: acquiring superficial near-infrared images and deep near-infrared images; layering the deep near-infrared images based on the superficial near-infrared images to obtain venous and arterial image information; acquiring pulsed Doppler ultrasound images and obtaining the relative positional relationship between the venous and arterial vessels based on the pulsed Doppler ultrasound images; calculating theoretical arterial image information based on the relative positional relationship from the venous image information; matching the theoretical arterial image and the arterial image, and completing the arterial image based on the matching result. This application has the advantage of improving the imaging effect of vascular imaging instruments.

The utility model relates to the technical field of practice teaching molds, and discloses a compression hemostasis teaching aid for adolescent emergency training, which is provided with a liquid bag, a simulated artery blood vessel, a simulated vein blood vessel, a simulated capillary and a micro pump, the liquid bag is used for storing simulated blood; the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel are all of transparent structures and are respectively connected with the liquid bag, and the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel are respectively connected with valves for controlling the on / off state of a pipeline; the micro pump is used for outputting pumping pressure to the liquid bag, and the pumping pressure of the micro pump is adjustable corresponding to the set flow velocity of the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel. The first-aid training device can simulate different blood vessels of a human body and press the corresponding blood vessels to force blood flow in the corresponding blood vessels to be stopped, so that teenagers can practice operation in training, and the teaching effect of first-aid training of the teenagers is effectively improved.

The application relates to the technical field of model reconstruction, in particular to a method for reconstructing a coronary artery model based on coronary angiography. The method comprises the following steps: acquiring a coronary artery scanning image of a patient; performing three-dimensional coronary artery spatial structure construction on the coronary artery image of the patient to generate a three-dimensional coronary artery spatial model; performing blood vessel diameter analysis on the three-dimensional coronary artery spatial model to generate coronary artery blood vessel diameter data; acquiring an X-ray angiography image of the patient; performing coronary artery blood vessel network structure construction on the X-ray angiography image of the patient to generate a three-dimensional coronary artery network model; and performing blood vessel wall thickness analysis on the three-dimensional coronary artery network model to generate coronary artery blood vessel wall thickness data. The application combines the coronary artery scanning image and the X-ray angiography image of the patient to perform multi-modal modeling, and performs abnormal analysis on the coronary artery, thereby improving the accuracy and reliability of the coronary artery model reconstruction.

The invention discloses a blood vessel end side anastomat based on a lining. A containing cavity is reserved between an inner cylinder and an outer cylinder; the outer wall of the end of the outer barrel is fixedly connected with the nail pushing device, the inner wall of the end of the inner barrel is fixedly connected with a limiting disc, the outer wall of the limiting disc extends out of a limiting rod to be in limiting connection with the nail pushing device, and the end of the inner barrel is adjustably connected with the nail abutting device. The problem that in the prior art, in the suture process between an artificial blood vessel and an artery blood vessel, no special medical instrument can meet the use requirement is solved. The blood vessel end side anastomat based on the lining is reasonable in structural design and can extend into an artificial blood vessel, a suture structure is directly formed between the artificial blood vessel and an artery blood vessel, and suture between the artificial blood vessel and the artery blood vessel is achieved at a time. The suturing efficiency is improved, the suturing effect of the suturing position is guaranteed, the anesthesia time of a patient is shortened, and then damage to the patient is reduced.

Vascular blood flow modulation is disclosed using metallic compliance-enhancement devices that contain a sealed volume of fluid. The device includes a first elongated inflatable nitinol balloon and a second elongated inflatable nitinol balloon, each having an outer sealed terminus and an inner open fluid port, and a nitinol connector tube that fluidly couples the balloons and has a diameter smaller than the inflated diameters of the balloons. The first balloon is positioned within an arterial vessel and the second balloon is positioned within a venous vessel, with the connector tube spanning between the vessels. During systole, arterial pressure compresses the first balloon to drive fluid through the connector tube into the second balloon, thereby expanding the second balloon and increasing venous blood flow. Cyclic systolic and diastolic pressure variations cause fluid to shuttle between the balloons, producing a compliance-enhancing effect.

The application discloses an artificial blood vessel stent with anticoagulation performance and a construction method thereof. After a pig heart aorta blood vessel is subjected to decellularization treatment, a pre-gel solution is prepared by compounding polyvinyl alcohol and methacrylated gelatin, a designed model is printed into a hollow tubular mold by using 3D printing, the pre-gel solution is injected into the mold to obtain an artificial blood vessel stent with controllable shape and size after cross-linking, and finally, the artificial blood vessel stent loaded with heparin is obtained by loading the heparin on the prepared stent. The material for preparing the pre-gel solution is selected, and the advantages of the material functions can be complemented. The decellularized matrix is beneficial to cell adhesion, proliferation and differentiation; the compounding of polyvinyl alcohol and methacrylated gelatin improves the mechanical properties of the stent and improves the cell adhesion. The heparin is loaded on the artificial blood vessel stent to improve the anticoagulation performance of the stent and prevent the formation of thrombus. The stent serves as an excellent biomedical material and has a wide application prospect in the fields of cardiovascular tissue engineering and biology.

Systems and methods are provided for reducing the reliance on operator skill during vascular ultrasound procedures. The placement of an ultrasound probe to assess perfusion associated with a wound may be facilitated by receiving input suitable for identifying an anatomical region associated with the wound and providing an indication of a suitable initial probe position, and optionally, probe orientation, for acoustically interrogating a target arterial vessel known to provide perfusion to the anatomical region associated with the wound. Regions exhibiting arterial flow may be detected as the probe is moved, enabling arterial vessel detection and localization. A subregion within the detected arterial vessel and a beam steering angle may be autonomously determined for spectral Doppler data collection, enabling the measurement of hemodynamic measures associated with the arterial vessel. Example apparatus for securing the probe to the patient and facilitating probe positioning to search for a target vessel are disclosed.

Described are methods and systems for transcervical access of the cerebral arterial vasculature and treatment of cerebral occlusions, including ischemic stroke. The methods and devices may include methods and devices which may provide aspiration and passive flow reversal, those which protect the cerebral penumbra during the procedure to minimize injury to brain, as well as distal catheters and devices to remove an occlusion. The methods and devices that provide passive flow reversal may also offer to the user a degree of flow control. Devices and methods which provide a way to securely close the access site in the carotid artery to avoid the potentially devastating consequences of a transcervical hematoma are also described.

The application provides a method and device for recommending a hepatic cancer embolism placement point planning, wherein the method comprises the following steps: obtaining input data; segmenting the input data to obtain a segmentation result of the input data, and classifying the segmentation result to determine whether there is a high-risk tumor in the liver; if there is a high-risk tumor in the liver, calculating an embolism placement point according to the segmentation result, generating an embolism placement point planning result; synthesizing the embolism placement point planning result with an original medical image to generate a recommended scheme, and outputting the recommended scheme. Through deep learning, machine learning and traditional image processing methods, various organs such as patient arterial vessels, livers, tumors and bones are automatically segmented, and according to the automatically generated segmentation information, recommended information is generated to recommend the embolism placement point of each tumor, so as to assist doctors in comprehensively and deeply understanding the condition of the patient.

The invention relates to the technical field of biology, in particular to a method for modular assembly of artery blood vessel type organs and construction of tissue microcirculation of the artery blood vessel type organs. The method comprises the following steps: inducing human pluripotent stem cells to differentiate through a mesoderm stage to form an arterial specific vascular organoid module (AVO), and then carrying out modular assembly on the AVO in vivo or in vitro so as to quickly reconstruct a tissue microcirculation network with arterial characteristics. The obtained artery blood vessel organoid is uniform in form, the diameter of the artery blood vessel organoid is intensively distributed at about 200 microns, SOX17 and CXCR4 artery endothelial markers are expressed at the same time, and the artery blood vessel organoid has polarity and a complete basilar membrane. Transplanting experiments show that the organ can be integrated with host blood vessels in a short time, and ischemic tissue blood perfusion is recovered. The defects that existing organoid is irregular, difficult to splice, delayed in perfusion and the like are overcome, and a new strategy is provided for revascularization and acute ischemic disease repair.

To provide an endothelial function index value measuring device of an arterial blood vessel capable of quickly acquiring an endothelial function index value capable of evaluating an endothelial function.SOLUTION: A cross-sectional image is generated from reflected ultrasonic signals obtained by the ultrasonic probe 24 on the skin 18, the biceps muscle cross-sectional area MCSA is calculated from the muscle image area GKN of the biceps muscle in the cross-sectional image, the biceps muscle mass MCSAI (= MCSA / BSA) is calculated from the biceps muscle cross-sectional area MCSA and the body surface area BSA, and the endothelial mass index MHI (= MCSAI / MB) is calculated from the biceps muscle mass MCSAI and the muscle brightness MB of the muscle image area GKN.SELECTED DRAWING: Figure 1

A closed type arterial blood collection apparatus is disclosed. The closed type arterial blood collection apparatus includes a saline bag provided at a lower end thereof with a first port and a second port, an A line configured to connect an arterial blood vessel of a patient to the first port, a first three-way valve configured to open and close the A line, a blood collection unit configured to collect arterial blood through the first three-way valve, a second three-way valve provided between the first three-way valve and the first port, the second three-way valve being configured to open and close the A line, a guide tube configured to connect the second three-way valve to the second port, and a fluid conveying means configured to convey a fluid in the guide tube when the A line and the guide tube are connected to each other.

The invention provides a portable arm heating device for maintenance personnel in a cold environment, and relates to the technical field of arm heating devices.The portable arm heating device comprises an arm sleeve, the arm sleeve comprises an outer sheath and an inner sheath, an inner cavity is formed between the outer sheath and the inner sheath, and an elastic band is fixedly connected to the middle of the upper portion of the arm sleeve; a heating unit is fixedly installed in the middle of the lower portion of the inner sheath, and a shell is fixedly installed on the outer wall of the lower portion of the outer sheath. A ventilation switching unit is mounted on the shell and comprises a circulating ventilation part, a switching part and a positioning part; the heating unit is used for accurately heating the flowing part of the main artery blood vessel of the forearm, so that the temperature of the hand is efficiently increased, the hand of a maintainer can be rapidly heated in a cold environment to achieve the purpose of keeping warm, and the device can achieve the purpose of heating and keeping warm without being in contact with fingers of the maintainer. And the moving angle of the fingers is not influenced, so that the fingers of a maintainer can still keep flexible and convenient operation in a cold environment.

The invention discloses an operation method suitable for electrophysiological detection in cardiac cavities of rats / mice, and relates to the technical field of experimental animal medical detection, and the operation method comprises the following steps: anesthesia of rats / mice, supine position fixation, and neck skin preparation and hair removal; separating the neck artery of the rat / mouse, ligating the artery blood vessel at the telecentric end, and clamping the artery blood vessel at the proximal end by using an artery clamp; the artery blood vessel in the middle section is temporarily retained after being punctured by an L-shaped guide needle, and the electrophysiology catheter is inserted along the notch; slowly moving the electrode catheter into the left ventricle, fixing the electrode catheter, and performing electrophysiological detection. According to the method, the detection electrode is inserted from the neck artery, the detection electrode is sent into the heart cavity of the rat / mouse, the integrity of the heart organ is not damaged, the risk of cardiac bleeding is avoided, accurate electrocardio data can be detected for a long time, meanwhile, after one carotid artery is cut off, the rat / mouse can maintain basic physiological activities through the other carotid artery, and therefore the detection effect is good. Continuous electrocardio detection can be carried out so as to complete the whole set of electrocardio recording.

The double-lumen pipeline for arterial drainage of the application comprises a first pipeline, a second pipeline, a first end and a second end of the first pipeline are both open, a balloon is formed around the first pipeline near the second end of the first pipeline, the balloon is connected with a third pipeline, a first end of the third pipeline is located outside the arterial blood vessel, the balloon is inflated to abut on the inner wall of the arterial blood vessel under proper pressure to form a blockage in the arterial blood vessel, blood upstream of the balloon is led out to the outside through the first pipeline under the action of arterial pressure to facilitate corresponding treatment of the led-out blood to obtain treated blood, a first end of the second pipeline is open, a second end of the second pipeline is closed, a side hole is formed on the second pipeline near the second end of the second pipeline, the side hole is close to the downstream of the balloon and far away from the upstream of the balloon, and the treated blood is injected into the second pipeline through the first end of the second pipeline and then injected into the downstream of the balloon through the side hole of the second pipeline.

The application discloses a self-expanding reflux cannula for ECMO and relates to the technical field of medical devices.The self-expanding reflux cannula comprises an implantation tube, a sleeve and a connecting pipe.The implantation tube comprises an inner covering film, an outer covering film and a self-expanding vascular stent.The inner covering film is arranged on the inner wall of the self-expanding vascular stent, and the outer covering film is arranged on the outer wall of the self-expanding vascular stent.The self-expanding vascular stent is in a mesh tube structure and can be radially expanded and contracted.The inner covering film and the outer covering film are both in a tubular shape and can be radially expanded and contracted with the self-expanding vascular stent.The sleeve is arranged on the implantation tube and can be separated from the implantation tube.The sleeve is used for maintaining the implantation tube in a radially contracted state.The one end of the connecting pipe is in communication with one end of the implantation tube, and the other end of the connecting pipe is used for being in communication with an arterial blood outlet of an ECMO system.The implantation tube, the sleeve and the connecting pipe are all flexible tubes.The cannula can be adapted to various blood vessels of different sizes, can avoid causing arterial blood vessel injury due to expansion of the blood vessel and can also supply blood to a distal limb end.

The application provides a method for invasive blood pressure waveform estimation based on photoelectric plethysmogram, comprising: collecting photoelectric plethysmogram signals of a monitored human body, and collecting continuous blood pressure waveforms as reference blood pressure signals; performing data preprocessing to obtain training data; adopting a BEFS algorithm to screen information parameters with discriminative significance as prior information of a deep learning model; building a deep learning model for continuous estimation and monitoring of sleeveless blood pressure waveforms, including a deep feature extraction network, a prior information fusion module and a knowledge distillation training architecture; dividing the training data into a training set, a validation set and a test set, and training and validating the model; collecting user PPG data, inputting the data into the deep learning model and outputting the predicted blood pressure waveform of the user. The application optimizes deep features and integrates morphological features of original PPG to formulate a KD-Informer, provides continuous blood pressure waveform prediction and can better reflect continuous changes of blood pressure in an arterial blood vessel.

The invention discloses an artery blood vessel automatic tracking method and device based on silicon-based photons and wearable equipment. The device comprises a sensing area, a vertical grating coupler, a computing center and a control center, wherein the sensing area is integrated on a silicon-based photon chip and is formed by arranging a plurality of micro-ring resonators in an adjacent mode. The micro-ring resonator two-dimensional array is integrated on the chip based on the silicon-based photon technology, the central position of an artery blood vessel in a target area can be rapidly positioned and tracked through automatic scanning, and the position of the artery blood vessel can be rapidly switched and tracked even if the sensor displaces. The problem of signal loss caused by alignment and displacement of a traditional single-point sensor is thoroughly solved.

This invention discloses a simulated upper arm artery blood pressure ultrasound phantom device and a method for verifying ultrasound blood pressure measurement technology. The device includes: simulated blood circulating through tubing via a peristaltic pump from a buffer tank, a flow meter, the simulated upper arm artery blood pressure ultrasound phantom, to a reservoir. The peristaltic pump and buffer tank work together to achieve constant flow and pulsating modes. An airbag pressurizer is connected to the upper air chamber of the reservoir to pressurize the tubing, providing a base pressure simulating the human mean arterial pressure. The pulsating mode of the peristaltic pump simulates the pulsating pressure changes within the systolic and diastolic pressure ranges of human blood pressure, and these changes are displayed and recorded in real time via a pressure transmitter and a connected digital oscilloscope. The simulated upper arm artery blood pressure ultrasound phantom allows the internally implanted simulated arteries to radially expand and contract with pressure pulsation, simulating the dynamic behavior of the human upper arm artery, thus verifying the ultrasound blood pressure measurement technology.

This invention discloses a portable hemodialysis accessory with a blood leakage sensor, relating to the field of hemodialysis monitoring technology. The invention includes a housing, with a venous vessel fixation seat and an arterial vessel fixation seat connected to its two sides respectively. Each of the venous and arterial vessel fixation seats has a vessel slot on one side. A monitoring system connected to the leakage sensor is disposed within the housing, and a control panel and an audible and visual alarm are disposed on the outside of the housing and connected to the monitoring system. This invention, through the monitoring system within the housing, can receive the detection signal transmitted by the leakage sensor in real time. When blood leaks into the vessel slot and comes into contact with the leakage sensor, the monitoring system quickly analyzes and processes the signal, immediately triggering an alarm light on the control panel and activating the audible and visual alarm. This dual audio and visual alert allows medical personnel to detect the abnormality immediately.

Described are methods and systems for transcervical access of the cerebral arterial vasculature and treatment of cerebral occlusions, including ischemic stroke. The methods and devices may include methods and devices which may provide aspiration and passive flow reversal, those which protect the cerebral penumbra during the procedure to minimize injury to brain, as well as distal catheters and devices to remove an occlusion. The methods and devices that provide passive flow reversal may also offer to the user a degree of flow control. Devices and methods which provide a way to securely close the access site in the carotid artery to avoid the potentially devastating consequences of a transcervical hematoma are also described.

The invention discloses an ultrasonic dynamic visceral organ blood flow monitoring method and system based on a wearable magnetic patch. Comprising a magnetic attraction fixing flexible ultrasonic patch module, an artificial intelligence blood vessel segmentation module, an artery blood vessel identification module, a PW sampling gate position automatic determination module, an automatic frequency spectrum envelope and analysis module and a hemodynamic parameter calculation and analysis module. Flexible fixation and rapid disassembly and assembly of an ultrasonic patch are achieved through a magnetic attraction device, organ blood vessel segmentation is completed in an ultrasonic B-mode image through an artificial intelligence algorithm, then a C mode is automatically entered for arterial blood vessel identification, the position of a sampling gate is automatically determined according to an identification result, and PW frequency spectrum signal scanning is started. And continuous, stable and high-precision monitoring of the blood flow of the visceral organs in a dynamic environment is realized in combination with spectrum envelope analysis and parameter calculation. The system and the method are suitable for high-precision continuous monitoring of blood flow of multi-part organs of users with different body types.

The invention discloses a traditional Chinese medicine formula for preventing and treating body artery and blood vessel diseases, and relates to the technical field of pharmacy, in particular to a traditional Chinese medicine formula for preventing and treating body artery and blood vessel diseases, the traditional Chinese medicine composition is prepared from the following raw material medicines: 100g of radix puerariae, 100g of herba epimedii, 100g of herba leonuri, 50g of dioscorea panthaica, 50g of raw endothelium corneum gigeriae galli, 50g of fructus aurantii immaturus, 50g of rhizoma dioscoreae nipponicae, 50g of lumbricus and 50g of kapok leaves. Pharmacodynamic tests prove that compared with related traditional Chinese medicine prescriptions in the prior art, the traditional Chinese medicine composition can significantly reduce the intima-media thickness of blood vessels, reduce the area proportion of plaques, improve the blood vessel stenosis rate, and improve the curative effect. 0.05 in terms of prolonging thrombosis time, increasing microcirculation blood flow velocity, regulating blood lipid level (reducing total cholesterol, triglyceride and low-density lipoprotein cholesterol and increasing high-density lipoprotein cholesterol), protecting vascular endothelial function (increasing the content of vascular endothelial relaxation factor NO and reducing endothelin ET level) and the like, and the pharmaceutical composition is superior to the prior art group (Plt: 0.05) in terms of prolonging thrombosis time, increasing microcirculation blood flow velocity, regulating blood lipid level (reducing total cholesterol, triglyceride, low-density lipoprotein cholesterol and increasing high-density lipoprotein cholesterol).

The application discloses a direct blood vessel continuous pressure measuring system based on an ultrasonic transducer, which comprises an information collecting module, an information preprocessing module and an information display module, wherein the information collecting module is used for collecting information such as blood flow velocity, pipe diameter and blood density; the information preprocessing module is connected with the information collecting module through Bluetooth, wireless or electricity and is used for preprocessing information such as blood flow velocity, pipe diameter and blood density; and the information display module is connected with the information preprocessing module through electricity; wherein the information collecting module is an ultrasonic micro probe, one end of the ultrasonic micro probe is arranged on a catheter in a trocar, the other end of the catheter is directly contacted with blood in an arterial blood vessel or a venous blood vessel, the catheter is movably sleeved in a sleeve of the trocar, and one end of the catheter is stretched out of the front end of the sleeve. The application has the beneficial effect of accurately monitoring the hemodynamic (arterial / venous blood vessel pressure) change in a continuous and invasive manner.