188 results about "Varicose vein" patented technology

The utility model discloses a cardiac muscle patch with a microneedle for cardiac bypass, which comprises a patch main body used for being adhered and wrapped on the surface of a vein bridge blood vessel in a cardiac bypass operation; the plurality of microneedles are uniformly distributed on the adhesive surface of the patch main body, and drug particles are attached to the surfaces of the microneedles; and the reinforced connection structures are uniformly distributed on the surface of the patch main body, are connected to the interiors of the microneedles, and are used for reinforcing the connection between the microneedles and the patch main body. According to the myocardial patch with the micro-needle for heart bypass, the surface of the patch is combined with the hydrogel micro-needle to form an integrated structure, so that loaded drugs, such as antiplatelet tirofiban sustained-release particles, are loaded to the needle body of the micro-needle, and continuous and stable release of the tirofiban sustained-release particles can be ensured; the myocardial patch is directionally conveyed to a vein bridge area, so that simple and convenient application of the myocardial patch in a vein bridge is facilitated.

The invention provides a multi-sulfonic acid mucopolysaccharide (MPS)-based microneedle preparation and a preparation method thereof. The microneedle preparation is prepared from polysulfonic mucopolysaccharide, hyaluronic acid, sodium carboxymethyl cellulose, glycerol, a pH regulator and water, has excellent stability and good transdermal drug delivery performance, and is suitable for phlebitis, varicosity, scar improvement and the like.

The present invention provides a radiofrequency ablation microcatheter with adjustable curvature. The radiofrequency ablation microcatheter includes a microcatheter body, a radiofrequency coil, a handle, and a curvature adjusting device. The radiofrequency coil is wound around the distal end of the microcatheter body; the handle is connected to the proximal end of the microcatheter body; the curvature adjusting device is arranged on the handle and connected to the microcatheter body, and is used to adjust the curvature of the microcatheter body. The radiofrequency ablation microcatheter of the present invention does not have a guidewire cavity inside. During the treatment of varicose veins, the microcatheter can reach the lesion site without relying on guidewire traction. The curvature of the microcatheter body can be adjusted directly through the curvature adjusting device, so that the microcatheter body can adapt to blood vessels with different tortuosity angles and reach the lesion site smoothly. In addition, since the radiofrequency ablation microcatheter of the present invention does not have a guidewire cavity inside, the microcatheter body can be made into a microcatheter body with a smaller outer diameter (for example, an outer diameter of 5F) to treat more and thinner veins.

The invention relates to the technical field of varicocele physiotherapy, and discloses a cold compress physiotherapy device for varicocele patients, which comprises a wearing lining mechanism, a scrotum lifting adjusting mechanism is arranged on the front side of the wearing lining mechanism, a scrotum fixing mechanism is arranged in the scrotum lifting adjusting mechanism, and the scrotum fixing mechanism is arranged on the front side of the wearing lining mechanism. And a cold compress mechanism is mounted on the surface of the scrotum fixing mechanism. According to the cold compress physical therapy device for the varicocele patient, through the arrangement of the wearing lining mechanism, the scrotum lifting adjusting mechanism, the scrotum fixing mechanism, the circulating type cold compress unit and the active refrigeration unit, the scrotum can be fixed through the scrotum fixing mechanism on the wearing lining mechanism, and the scrotum is lifted and supported through the scrotum lifting adjusting mechanism; the circulation type cold compress unit is fixed to the scrotum fixing mechanism, it is guaranteed that cold compress is conducted in the mode of being attached to the scrotum, continuous hand holding is avoided, and stability and convenience are improved.

The invention discloses a vein blood vessel image processing method and device, equipment and a storage medium. The vein blood vessel image processing method comprises the steps of collecting a vein blood vessel image; the collected vein blood vessel image is preprocessed; an improved U-Net segmentation network and an improved Zhang-Suen skeletonization algorithm are adopted to process the preprocessed image, and multi-modal results are fused to obtain a blood vessel segmentation result; and based on a blood vessel segmentation result, performing blood vessel three-dimensional modeling by adopting a multi-stage B-spline mapping method, and quantitatively analyzing blood vessel spatial geometric features and hemodynamic parameters to obtain a blood vessel form-function joint evaluation index. The vein blood vessel image is processed and analyzed, three-dimensional modeling is carried out on the blood vessel, the radiation path of radiotherapy is planned, and a foundation is laid for follow-up treatment of varicosity through in-vitro radiation.

The invention discloses an in-vitro perfusion system and an artery shunt calculation method, and belongs to the field of organ transplantation, an artery branch and a vein branch respectively extend out of a blood storage device and are correspondingly connected with an artery and a vein of an isolated organ in an organ bin, the artery branch is provided with an artery pump and an oxygenation structure, the vein branch is provided with a vein pump, and the oxygenation structure is connected with the vein pump. The first end of the shunt branch is connected with the artery branch, the second end of the shunt branch is connected with the vein branch, the first end is located between the oxygenation structure and the organ bin, and the second end is located between the vein pump and the blood storage device. Crosstalk of pressure flow between the two paths is avoided; monooxygenation is adopted, the hemolysis and consumable cost is reduced, only one gas control module is needed, the equipment cost is reduced, the vein oxygen saturation degree is adjusted to a proper range through the shunt branch, and arterial hyperxia and pulsation are achieved; the vein is hypoxia and constant in pressure.

The invention discloses a novel esophageal cavity internal and external blood vessel classification method based on an endoscopic image. The method comprises an esophageal varicosity patient data pairing module; a deep learning esophageal intracavitary and extracavitary vein segmentation module; the invention discloses a contrast enhanced CT (Computed Tomography) guided endoscopic image esophageal extraluminal varicosity predicting and grading module, which analyzes a CT segmentation result and an endoscopic image to obtain a CT guided esophageal extraluminal blood vessel predicting and parting gold standard, inputs the endoscopic image and a label into a Transformer image classification model, and carries out training to obtain an esophageal extraluminal varicosity classification model which does not need a CT image and is used for classifying esophageal extraluminal blood vessels. The model for predicting the esophageal extraluminal blood vessels can be completed through endoscopic images, and the method is simple and convenient.

The utility model relates to the field of medical instruments, in particular to a multi-section varicosity pressure belt which comprises more than three groups of pressure components, each pressure component comprises a left protective plate and a right protective plate, the left protective plate and the right protective plate are connected through a first elastic strip which contracts transversely, side belts are connected to the side faces of the left protective plate and the right protective plate respectively, and the side belts can be bonded through hook-and-loop fasteners. The pressure assemblies are arranged from top to bottom, and the protection plates between the adjacent pressure assemblies are connected through second elastic strips which are shrunk in the longitudinal direction. The varicose veins are compressed in a soft and hard combined mode, and the pressure and the compression area of each area can be adjusted.

The invention discloses a traditional Chinese medicine composition for preventing and treating light and moderate varicocele and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 12 to 30 parts of radix paeoniae rubra, 9 to 24 parts of peach kernel, 9 to 24 parts of spina gleditsiae, 9 to 24 parts of radix cyathulae, 6 to 18 parts of cassia twig, 9 to 24 parts of fructus forsythiae, 6 to 18 parts of thunberg fritillary bulb, 6 to 18 parts of rhodiola rosea, 6 to 18 parts of semen aesculi and 3 to 15 parts of raw liquorice. After the traditional Chinese medicine composition provided by the invention is adopted for treatment, the spermatovenous reflux time is remarkably shortened, the semen quality including semen volume, sperm density and sperm motility is remarkably improved, the total effective rate of treatment is higher than that of other prescriptions, the living quality of a patient is remarkably improved, the medicine safety is high, and the varicocele can be effectively treated.

An embodiment may be a method for early diagnosis and management of varicose veins by a server, which may include the steps of acquiring varicose vein-related information from a user device, quantifying the degree of capillary exposure based on an analysis of the varicose vein-related information, evaluating the risk of varicose veins based on the quantified degree of capillary exposure, and transmitting evaluation result information for varicose veins to the user device based on the evaluated risk of varicose veins.

The present invention relates to pharmaceutical compositions and methods for obtaining said pharmaceutical compositions comprising a conditioned culture medium of human mesenchymal stem cells and / or a combination of trophic factors expressed by human mesenchymal stem cells, and a polymeric matrix of hyaluronic acid. The present invention also relates to methods for preventing and / or treating patients having pathologies that generate tortuous vessels, or complications from the appearance of tortuous vessels, such as varicose veins, psoriasis, hemorrhoids, rosacea, acne, crystal skin, atopic dermatitis, among others.

The application discloses a post-varicose vein surgery wound compression hemostasis device, which comprises a device main body for fixing on a limb, a pressure increasing module arranged on the device main body and an anti-reverse mechanism. The pressure increasing module comprises a rotating handle rotatably arranged on the device main body, a pressure push rod with a top end threadedly connected with the rotating handle and a compression pad arranged at the bottom end of the pressure push rod; the pressure push rod is slidably connected with the device main body. When the rotating handle is rotated clockwise, the pressure push rod is driven to move towards the skin side, so that the compression pad applies compression pressure on the wound. The anti-reverse mechanism is connected with the rotating handle and is used for preventing the rotating handle from being rotated counterclockwise, thereby preventing the compression pressure from being released accidentally. The device can accurately and stably maintain the compression pressure on the wound, avoids postoperative rebleeding or hematoma formation caused by pressure attenuation, and has the characteristics of convenient operation, safety and reliability.

Provided herein are methods of treating a patient suffering from varicose veins, methods of identifying a subject at increased risk of developing varicose veins, and methods of diagnosing varicose veins in a human subject, the methods comprising detecting the presence of a Piezoelectric Mechanosensitive Ion Channel Component 1 (PIEZO1) predicted loss-of-function variant nucleic acid molecule and polypeptide in a biological sample from the patient or subject.

A treatment training simulator for injecting a hardening agent into esophageal varicose veins under an endoscope comprises a round tube type long tube, the inner wall of the round tube type long tube is covered with a layer of soft rubber, a plurality of artificial esophageal veins are arranged between the inner wall of the round tube type long tube and the soft rubber, the artificial esophageal veins are arranged in an intercommunication mode, one of the artificial esophageal veins is a liquid inlet tube, and the other of the artificial esophageal veins is a liquid outlet tube. When the esophageal vein teaching aid is used in clinical endoscopic esophageal vein teaching, red pigment is injected into the opening of the rubber hose, so that the rubber hose has blood like esophageal veins, and an injection needle is used for injection training in the training process; if the injection needle is inserted into the rubber hose, blood can be pumped back, injection can be practiced for many times, an operation model can be provided for clinical or hospital teaching esophageal varicosity hardener treatment under an endoscope, the risk of direct human body operation is avoided, and an esophageal varicosity operation protection frame under the endoscope is protected.

The invention relates to the technical field of varicosity elastic socks, and discloses a far infrared heating thermal therapy varicosity elastic sock capable of fixing a traditional Chinese medicine bag, the far infrared heating thermal therapy varicosity elastic sock comprises a bottom section, a shank section and a thigh section, and the bottom section is provided with an end opening; an external belt is arranged on the periphery of the shank section, a containing cavity for containing a traditional Chinese medicine bag is defined between the external belt and the shank section, and the width of the containing cavity is larger than that of the traditional Chinese medicine bag; the shank section is provided with an inner side section, an inner attaching layer is formed on the inner side section, and a plurality of outer attaching strips are arranged on the external belt and extend in the width direction of the containing cavity; the shank part is provided with a plurality of hollow-out positions to which gaskets with far infrared heating are attached; the external belt is arranged on the shank section, the traditional Chinese medicine bag can be placed in the containing cavity, the traditional Chinese medicine bag is fixed in the containing cavity through attaching and fixing between the multiple external attaching strips and the inner attaching layer, and the traditional Chinese medicine bag is clamped oppositely so that the traditional Chinese medicine bag can be better attached to the shank section.

The invention discloses a varicosity ultrasonic treatment system which comprises the components of a treatment head which is mounted at the tail end of a motion arm and comprises a focusing transducer and a guiding image transducer; the motion control unit is used for controlling the motion of the motion arm so as to control the pose of the treatment head; the power amplifier unit is used for driving a focusing transducer in the treatment head; the water treatment unit is used for treating medium water used by the treatment head; the image unit is used for driving a guide image transducer in the treatment head to transmit an ultrasonic signal and receiving a reflected ultrasonic echo signal to obtain a guide ultrasonic image; and the main control unit is used for performing treatment planning according to the guide ultrasonic image, so that the treatment head can perform varicosity treatment according to the treatment planning. Complete treatment of the varicosity operation can be completed without external independent ultrasonic images and external independent water supply.

The invention discloses a construction method, system and equipment for an esophageal and gastric varicosity prediction model. The invention establishes a prediction model for esophageal and gastric varicose veins of a subject, which can predict the occurrence of esophageal and gastric varicose veins of patients with cirrhosis and has high prediction ability. In addition, a clinical decision curve proves the feasibility of the prediction model for clinically evaluating the esophageal gastric varicosity of the liver cirrhosis patient. The model constructed by the invention has high accuracy, and can be used as a non-invasive tool for evaluating esophageal and gastric varicose veins of patients with cirrhosis. The prediction model disclosed by the invention is expected to play an important role in evaluating the degree of esophageal and gastric varicose veins of patients with cirrhosis, and can help clinicians to make clinical decisions.

At least some embodiments of the present disclosure are directed to a catheter for use in varicose vein treatment including a handle, an elongated shaft connected to the handle, and a heating element disposed near the distal end of the shaft. In some embodiments, the heating element includes a first heating coil having a first plurality of windings and a second heating coil having a second plurality of windings, and at least some of the second windings crossing over the first windings.

The invention relates to the technical field of gastroenterology, in particular to an endoscope ligation device for the gastroenterology, which comprises an endoscope handle part and an insertion part connected to the head part of the endoscope handle part, a ligation head part is mounted at the head part of the insertion part, a negative pressure adsorption mechanism is arranged on the inner side of the ligation head part, and the negative pressure adsorption mechanism is connected with the endoscope handle part. A plurality of elastic rings are connected to the loop ligature head in a sleeving mode, a trigger push rod switch is arranged on the negative pressure adsorption mechanism and connected with a retracting and releasing mechanism located on the inner side of the loop ligature head, and the retracting and releasing mechanism is connected with the negative pressure adsorption mechanism. The problems that an elastic ring loading process is time-consuming and labor-consuming, complex lesions such as esophageal varicose veins need to be subjected to loop ligature for many times, the treatment opportunity of a patient is easily affected, the head may cause mechanical injury to the esophagus when the device enters the esophagus, and comfort and safety are low are solved.

The utility model discloses a positive pressure injection needle, and particularly relates to the technical field of injection needles, which comprises a confluence cylinder, a circulation cavity is arranged in the confluence cylinder, a sealing cover is arranged at the upper end of the confluence cylinder, a connecting nozzle is mounted at the lower end of the confluence cylinder, and an injection needle is mounted at the lower end of the connecting nozzle. According to the injection needle, the positive pressure state of an inner cavity is guaranteed through the check valves, the problems that most of the tail portions of existing injection needles are communicated with the atmosphere, the tail portions of the existing injection needles are not communicated with the atmosphere, and the tail portions of the existing injection needles are not communicated with the atmosphere are solved. At the moment when the needle point punctures into the varicose vein, blood in a blood vessel with higher pressure quickly flows back into the front end of the injection needle, and an operator needs to inject tissue glue after exhausting, so that the time is prolonged, and the problem that the blood and the tissue glue are easily solidified instantly is solved.

The invention relates to the technical field of medical instruments, in particular to a valve device for improving or preventing great saphenous vein and a using method of the valve device. The using method of the valve device for improving or preventing great saphenous vein varicosity comprises the steps that the position, left on the leg body surface, of the valve body is obtained based on the leg great saphenous vein position; acquiring leg perimeter information of the leg body surface position and the distance between the body surface and the great saphenous vein based on the position of the valve body indwelled on the leg body surface position; selecting a bandage model based on the leg perimeter information; the valve body thickness is obtained based on the distance between the body surface and the great saphenous vein; the valve body is positioned on the body surface of the leg through the bandage, the bandage generates first extrusion force on the valve body, the valve body generates second extrusion force on the great saphenous vein, and the second extrusion force is larger than the first extrusion force. In this way, the problem that an existing medical instrument for improving or preventing great saphenous varicosity needs to adopt an in-vivo surgical instrument is solved.

The utility model discloses a vein closure radiofrequency ablation component, including handle, catheter and ablation electrode that connect in proper order, the ablation electrode is provided at the front end of catheter, the rear end of catheter extends to handle rear end and is connected with joint, the inside of catheter is hollow structure, joint and the inside of catheter are communicated and are used for the leading wire to pass through before the operation. The ablation electrode is reliable in structure, simple in structure, stable, reliable and convenient to operate, normal saline is instilled to the ablation electrode in an operation to conduct the electrode tip and the outer tube, low-temperature plasma is generated under excitation of radio-frequency current to ablate varicose blood vessels, meanwhile, the high-resistance metal electrode tip is powered on to emit heat, the blood vessels are secondarily heated, and the ablation effect of the high-resistance metal electrode tip is improved. Compared with a coil type catheter, the ablation temperature is not too high, the ablation range is relatively small, tissues are not prone to adhesion, and the vein ablation closing effect is improved.

The present invention relates to the technical field of varicose vein therapy, and discloses a cold compress therapy device for patients with varicocele, comprising: a wearing lining mechanism, a scrotum lifting and adjusting mechanism is arranged on the front of the wearing lining mechanism, a scrotum fixing mechanism is arranged inside the scrotum lifting and adjusting mechanism, and a cold compress mechanism is installed on the surface of the scrotum fixing mechanism. The cold compress therapy device for patients with varicocele, through the wearing lining mechanism, the scrotum lifting and adjusting mechanism, the scrotum fixing mechanism, the circulating cold compress unit and the active refrigeration unit, can fix the scrotum through the scrotum fixing mechanism on the wearing lining mechanism, lift and support the scrotum by using the scrotum lifting and adjusting mechanism, and fix the circulating cold compress unit on the scrotum fixing mechanism to ensure that the scrotum is fitted for cold compress, avoid continuous hand-holding, and improve stability and convenience.

The application discloses a varicose vein rehabilitation training system and method based on virtual reality games in the field of rehabilitation training, which comprises a head-mounted device, a control module and a binding device; the head-mounted device comprises a VR display device and a vital sign monitoring module; the VR display device and the vital sign monitoring module are electrically connected with the control module; the VR display device is used for displaying rehabilitation training game content and monitoring human body vital sign information; a gyroscope sensor, a phototherapy module and a body temperature monitoring module are arranged on the binding belt; the binding belt is fixed on the human leg; the phototherapy module comprises a plurality of red and blue multi-color light sources and a plurality of red light sources; therefore, the gyroscope sensor, the red light source, the blue light source and the body temperature monitoring module are electrically connected with the control module; the application assists patients in varicose vein rehabilitation training, improves the interestingness of patients in the rehabilitation treatment process, and indirectly improves the rehabilitation treatment effect and the experience of patients in the rehabilitation treatment.

This application discloses a method and system for microvascular anastomosis modeling and effect prediction in assisted spermatic cord anastomosis, relating to the field of data processing technology. The method includes: extracting the pampiniform plexus topology and varicose vein segments from a three-dimensional vascular tree model of the spermatic veins constructed based on spermatic cord vessel images; determining candidate diversion inlet locations based on the spatial adjacency relationship between the obstructed reflux nodes identified by the varicose vein segments and the pampiniform plexus topology; spatially registering the contour of the inferior epigastric vein segmented from the superficial vein images of the inguinal region with the candidate diversion inlet locations to generate a diversion anastomosis path planning map; constructing the geometric configuration of the end-to-side anastomosis and performing hemodynamic simulation to generate a wall shear stress distribution field, assess the thrombosis tendency of the end-to-side anastomosis, and generate a postoperative patency rate prediction value. This application can predict the risk of thrombosis preoperatively through hemodynamic simulation, providing a reliable basis for surgical planning and effectively improving the success rate of the surgery.

1. The name of this design product: injection handle. 2. Purpose of the product with this appearance design: used for injecting fluid during surgery to treat varicose veins of the lower limbs. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to a lower limb varicose vein leg pillow, which comprises a leg pillow main body, a framework is arranged in the leg pillow main body, salient points are arranged at the top of the leg pillow main body, a power socket is arranged on one side of the leg pillow main body close to the front end, and a special-shaped guide rail is arranged in the framework. The movable massage assemblies are arranged at the two ends of the interior of the leg pillow body, when the leg pillow is used, a driving motor drives a rotating shaft to rotate and drives a massage roller to rotate so as to massage the legs of a varicose vein patient placed on the leg pillow body, and meanwhile a servo motor drives a transmission shaft to rotate through a belt wheel structure; according to the leg pillow, the movable wheels are driven to roll on the inner sides of the special-shaped guide rails, the position of the massage roller in the leg pillow body can be moved and adjusted, the massage roller is made to be attached to the top end in the leg pillow body all the time, the effect of comprehensively and effectively conducting massage operation on the legs of the patient with varicosity is achieved, and practicability is high.

Embodiments provide a method by which a server early diagnoses and manages varicose veins, the method comprising the steps of: acquiring varicose vein-related information from a user device; digitizing a capillary exposure on the basis of analysis of the varicose vein-related information; evaluating the risk of varicose veins on the basis of the digitized capillary exposure; and transmitting, to the user device, information regarding varicose vein evaluation results on the basis of the evaluated risk of varicose veins.

The invention discloses a varicosity postoperative recovery stent for vascular surgery, and belongs to the technical field of medical instruments. The varicosity postoperative recovery stent for the vascular surgery comprises a stent body and further comprises a reciprocating driving assembly arranged on the stent body, and the driving end of the reciprocating driving assembly vertically moves in a reciprocating mode; the shank sheath is used for wrapping the shanks of the patient, meanwhile, the exterior of the shank sheath is fixedly connected with the driving end of the reciprocating driving assembly and used for driving the legs to move up and down around the buttocks, and meanwhile knee joints are adaptively bent to promote blood circulation. According to the varicosity postoperative recovery support for the vascular surgery department, the problem that too much physical strength and energy of an accompanying person are consumed due to the fact that the accompanying person needs to manually press the legs of a patient for a long time is solved, the legs of the patient can be moved for a long time, and the recovery efficiency of the patient is improved.

The compound preparation is characterized by being prepared from the following components in parts by mass: 11 to 13 parts of cortex acanthopanacis, 9 to 12 parts of herba taxilli, 21 to 23 parts of radix achyranthis bidentatae, 9 to 11 parts of radix paeoniae rubra, 8 to 10 parts of herba lycopi, 20 to 22 parts of radix salviae miltiorrhizae, 11 to 13 parts of semen vaccariae, 5 to 8 parts of spina gleditsiae, 6 to 9 parts of rhizoma chuanxiong, 5 to 7 parts of liquorice root and 20 to 22 parts of radix astragali seu hedysari. The medicines are compatible, are mainly used for tonifying liver and kidney, activating blood and inducing diuresis, are compatible with qi and blood, and are suitable for rheumatic arthralgia and chronic inflammation. Cortex acanthopanacis and herba taxilli expel wind-damp and strengthen muscles and bones, herba lycopi and radix achyranthis bidentatae promote diuresis and descend, and the traditional Chinese medicine is suitable for rheumatism edema and lower limb Radix astragali and radix angelicae sinensis tonify qi and nourish blood, radix salviae miltiorrhizae and rhizoma chuanxiong activate blood and promote qi circulation, and the traditional Chinese medicine is suitable for qi and blood stasis type diseases. The liquorice is used for regulating the medicine property of the whole formula and alleviating the drasticality of the cowherb seeds, the spina gleditsiae and the like, and glycyrrhizic acid contained in the liquorice has an anti-allergic effect and reduces the risk of medicine allergy.