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56 results about "Varicose vein" patented technology

Traditional Chinese medicine composition for preventing and treating light and moderate varicocele and preparation method thereof

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.
Owner:THE AFFILIATED HOSPITAL OF SHANDONG UNIV OF TCM

Method and device for early diagnosis and management of varicose veins

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.
Owner:EX HEALTHCARE INC

A post- varicose vein surgery wound compression hemostasis device

PendingCN122251087ATourniquetsVaricose vein surgeryVaricose vein
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.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Treatment training simulator for injecting hardening agent into esophageal varicosity under endoscope

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.
Owner:THE FIRST AFFILIATED HOSPITAL OF ANHUI MEDICAL UNIV

Far infrared heating thermal therapy varicosity stretch sock capable of fixing traditional Chinese medicine bag

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.
Owner:SHENZHEN TRADITIONAL CHINESE MEDICINE HOSPITAL

Ablation catheters to treat varicose veins

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.
Owner:BOSTON SCI MEDICAL DEVICE LTD

Valve device for improving or preventing great saphenous vein and use method thereof

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.
Owner:李东山

Venous closed radiofrequency ablation assembly

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.
Owner:JIANGSU BONSS MEDICAL TECH

A varicose vein rehabilitation training system and method based on virtual reality games

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.
Owner:HOHAI UNIV

A method and system for modeling and predicting the effect of microvascular apposition in assisting vasal anastomosis of the spermatic cord

PendingCN122366229AVenous SegmentBlood flow
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.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV

A device for relieving varicocele pain

ActiveCN120203908BSuspensory bandagesRoller massagePhysical medicine and rehabilitationScrotum/Scrotal
The application discloses a device for relieving varicocele pain, and relates to the field of devices for relieving varicocele pain, solves the problem of fixed position and difficult adjustment of the device for relieving varicocele pain in use to the scrotum extrusion, and leads to poor use comfort, and comprises a fixing mechanism, an adjusting mechanism, a plurality of first elastic tubes and second elastic tubes, the fixing mechanism comprises a waistband, and the adjusting mechanism comprises a device box and an adjusting plate; the device is fixed as a whole through the fixing mechanism, the supporting tightness of the first elastic tube and the second elastic tube can be controlled, the hydraulic strength in the first elastic tube and the second elastic tube is adjusted through the adjusting mechanism, the extrusion state of the scrotum by the first elastic tube and the second elastic tube is switched, the extrusion position and strength are switched, the discomfort caused by long-time extrusion of a single position to the outer wall of the scrotum is avoided, cooling and massage can be assisted, and the comfort is improved.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Radio frequency closure device for veins

The present application relates to a radio frequency closing device for vein, belonging to the technical field of medical devices, solves the risk of burning through the vein in the working process of the ablation catheter, solves the problem of the bending part that may pierce the vein blood vessel, causes damage to the health of the patient. The present application comprises a radio frequency tube, a driving unit and a control unit, the radio frequency tube and the control unit are connected with the driving unit, the driving unit is used for controlling the radio frequency tube to be delivered to the target area in the blood vessel, and the radio frequency tube is used for ablation closing varicose vein. The resistance measuring module of the present application measures the resistance value of the head end working area, and sends the resistance value to the control unit in real time, the control unit judges according to the comparison result, if there is a risk of blood vessel piercing or a risk of burning through the vein, the control unit sends an instruction to the driving motor, the driving motor reverses, the radio frequency tube retreats to the driving unit direction, prevents the radio frequency tube from piercing the blood vessel or repeatedly burning through the blood vessel, avoids the damage to the health of the patient.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

An ergonomic chair for correcting and supporting the sitting posture of the user

PCT designated stageWO2026058277A1StoolsAdjustable chairsFront neckProstatomegaly
an ergonomic chair that can correct and support the sitting posture of the user The ergonomic chair prevents or reduces some critical health problems related to thoracic spine, lumbar spine, coccyx pain, varicose veins, prolonged hip flexion, compression of vascular structures and nerves beneath the iliopsoas muscle, tightness in the piriformis muscle, Prostatomegaly, impaired abdominal function. The present ergonomic chair provides a head support, anterior neck support, a chin support, thoracic support valves, lumbar support, abdominal support, and hip support. Further the present ergonomic chair can be adjusted in height and support bending of the back rest with help of a hinge component that functions as seat tilt adjuster.
Owner:SS ANANDHU

An adhesive for treating varicose great saphenous vein and its preparation method

The application belongs to the technical field of medical devices, and particularly relates to an adhesive for treating varicose great saphenous vein and a preparation method thereof. The adhesive is obtained by the following steps: (1) preparation of poly cyanoacrylate powder; (2) preparation of the adhesive: 50-85 parts of cyanoacrylate, 5-30 parts of plasticizer, 0.01-0.5 parts of polymerization inhibitor and 0.01-0.5 parts of antioxidant are uniformly stirred, 10-30 parts of poly cyanoacrylate powder is slowly added, and stirring is continued until complete dissolution and filtration, and the adhesive is obtained. The prepared adhesive has a weight average molecular weight of 0.5-10 million, a viscosity of 500-3000 cp, low formaldehyde content, is not diluted by blood when implanted into a blood vessel, does not flow with blood, reduces the risk of ectopic embolism, reduces the risk of allergy and inflammation, and the adhesive has a curing time of less than 20 s, can quickly polymerize and form a clot to block the blood vessel when implanted into the target vein position.
Owner:ZHEJIANG JIANAIWEI MEDICAL TECH

A flexible thin-film foot energy harvesting and lower limb varicose vein monitoring device

ActiveCN224420987UEnergy harvesterAnatomy
A flexible thin-film foot energy harvesting and lower limb varicose vein monitoring device belongs to the field of self-powered and sensor technology. It includes a flexible foot energy harvester located on the sole of a shoe, an energy storage device, and a flexible PVDF piezoelectric material array varicose vein monitoring strap for lower limb binding. The flexible foot energy harvester is electrically connected to the energy storage device, and the energy storage device is electrically connected to the monitoring strap. The flexible PVDF piezoelectric material array varicose vein monitoring strap is a sensing device based on BaTiO3 / PVDF piezoelectric composite material, capable of receiving and displaying the varicose vein status of the lower limbs. The energy of the flexible PVDF piezoelectric material array varicose vein monitoring strap is collected by the flexible foot energy harvester and stored in the storage device. This device achieves efficient mechanical energy-to-electrical energy conversion and high-sensitivity varicose vein monitoring, significantly advancing the fields of self-powered, sensor technology, and wearable piezoelectric technology.
Owner:BEIJING UNIV OF TECH

Multifunctional treatment and evaluation device and method for varicose veins of lower limbs

The application discloses a multifunctional treatment and evaluation device and method for varicose veins of lower limbs, which comprises a multifunctional treatment bandage, a treatment evaluation instrument and a host computer, the multifunctional treatment bandage is connected with the treatment evaluation device and is used for actively intervening and monitoring varicose vein positions, the treatment evaluation device is connected with the host computer and is used for signal transmission and processing, and the host computer is used for data analysis and processing and visual operation. The multifunctional treatment evaluation device has the advantages of simple operation, low cost, multiple built-in prescription modes, and the ability of detecting, treating and evaluating the conditions of patients with varicose veins of lower limbs, and has a wide application prospect in the field of treating varicose veins.
Owner:TIANJIN POLYTECHNIC UNIV +1

Device for treating the saphenous vein and related varicose veins and a method for using same in the human body

The invention relates to an intravenous type device for the treatment of varicose veins consisting of a body (1), a working end (2) towards the inner part of the patient's leg with an exit hole (3), a working end (4) manipulated by medical personnel consisting of three routes of admission, the first of them (5) to enter a fiber optic element, two other ports (6, 7) that can enter an inflatable balloon device (8) and a sclerosing foaming agent such as polidocanol (9), the main body (1) also presents a plurality of windows or orifices (10).
Owner:FUNDACION SANTA FE DE BOGOTA

Ligation tool for varicosity

The invention discloses a ligation tool for varicosity, which relates to the technical field of medical instruments, is used for winding a ligature on a vein trunk, and comprises an outer catheter, at least one puncture tube is arranged in the outer catheter, the puncture tube positioned on the innermost side is used for penetrating the ligature, and a connecting piece is arranged at the head end of the puncture tube on the innermost side; the connecting piece is used for fixing one end of the ligature, and in the initial state, the puncture tube is located in the outer catheter; in the operation state, the puncture tube is pushed to move in the circumferential direction of the vein trunk, after the connecting piece is connected with the outer catheter, the other end of the ligature is located on the outer side of the near end of the puncture tube, the outer catheter is fixed, the puncture tube is pulled towards the near end, and the front end of the puncture tube is separated from the connecting piece. After varicosity treatment, the closing effect is achieved, redundant parts of a ligature are cut off, the ligation operation is completed, a tortuous vein trunk does not need to be pulled out through a stripper, the operation is simpler, and operation is convenient.
Owner:ZHANYUAN BIOTECHNOLOGY (CHENGDU) CO LTD +1

Varicosity treatment device

PendingCN121370288ASurgeryVenous SegmentExternal catheter
The invention relates to the technical field of medical instruments, in particular to a varicosity treatment device which comprises an inner catheter and an outer catheter, the inner catheter is sleeved with the outer catheter in a sliding mode, a blocking balloon is arranged at the head end of the inner catheter, a medicine outlet hole is formed in the head end of the outer catheter, and a blood discharging balloon and a membrane puncturing assembly are sequentially arranged at the end, close to the medicine outlet hole, of the outer catheter. The membrane puncturing assembly is used for mechanically scratching a vein wall membrane. The vascular wall intima is scratched in the blood vessel through the membrane puncturing assembly, the drug barrier is broken, and the permeation efficiency and the treatment effect of the hardening agent are improved. By arranging the blood discharge balloon on the outer catheter, the blood in the target vein section can be temporarily discharged before the hardening agent is injected, so that the dilution of the medicine by the blood is avoided, and the effective concentration and the acting effect of the medicine are further ensured. The technical problems that in the prior art, the vascular wall membrane cannot be mechanically damaged, the blood discharging function cannot be achieved, the reaction efficiency of a hardening agent and the vascular wall is reduced, and then the treatment effect is reduced are solved.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Ablation catheters with pressure sensor to treat varicose veins

A catheter for use in varicose vein treatment may include 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 may include a plurality of pressure sensors circumferentially offset from one another, each pressure sensor being configured to generate an output signal indicative of pressure applied thereto by surface of target blood vessel.
Owner:BOSTON SCI MEDICAL DEVICE LTD

Liver cirrhosis acute variceal bleeding ai treatment decision system

ActiveCN120412909Breduce bleeding riskAdjust Healing IntensityInitial treatmentPortal vein flow
The application provides an AI treatment decision system for liver cirrhosis acute variceal hemorrhage, relates to the technical field of treatment decision, extracts a transient characteristic indicator of blood flow pressure from a pressure fluctuation signal, predicts a transient pressure peak of the portal vein blood flow during acute variceal hemorrhage through the transient characteristic indicator and a blood flow dynamic model, predicts a quasi-steady pressure field of the portal vein blood flow during acute variceal hemorrhage according to the gradient distribution of the portal vein blood flow pressure and an initial treatment strategy of acute variceal hemorrhage, performs multi-scale coupling on the transient pressure peak and the quasi-steady pressure field to obtain a coupling characteristic of the portal vein blood flow, and then uses the coupling characteristic of the blood flow pressure to perform hierarchical coupling adjustment on the treatment strategy of liver cirrhosis acute variceal hemorrhage. Based on the above scheme, hierarchical coupling of the treatment strategy of liver cirrhosis acute variceal hemorrhage can be realized, so that the prediction accuracy of the portal vein blood flow pressure during acute variceal hemorrhage can be improved.
Owner:SHENZHEN JIMI RESEARCH CO LTD

Varicosity rehabilitation training device

The utility model discloses a varicosity rehabilitation training device, particularly relates to rehabilitation training technical field, including the support box, the middle part of support box upper end is rotatingly connected with two moving subassembly, the both sides of support box upper end are both fixedly connected with the support plate, the both sides of two moving subassembly are both fixedly connected with the massage subassembly, the massage subassembly is connected with the support plate. The two massage assemblies are symmetrically arranged, and a finger pressing plate is fixedly connected to the middle of the upper end of the supporting box. According to the varicosity rehabilitation training device, by arranging the moving assembly, the massage assembly can be driven to move in a reciprocating mode to massage legs, so that blood circulation is promoted, the symptom of varicosity is relieved, the massage assembly does not need to be manually pushed, and rehabilitation training is more comprehensive and high; by arranging the massage assembly, the position of the convex block can be automatically adjusted according to the line of the leg, the curve of the leg is fitted, it is ensured that the convex block can accurately act on the area needing massage, and the rehabilitation effect is improved.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Spray liquid applied to improvement of varicosity

The invention discloses spray liquid applied to improvement of varicosity, and relates to the technical field of organic and inorganic micro-nano composite materials, the spray liquid comprises selenium, sodium, potassium, boron, silicon and zinc, all the materials are poured into a reagent bottle, 50 parts of water is poured into the reagent bottle, the materials are mixed, a stirring rod is used for stirring the mixed liquid, the liquid is left to stand for 10 minutes after stirring and mixing, and the spray liquid is obtained. And finally, filtering the liquid to remove impurities in the liquid so as to obtain the varicosity spray liquid. The activity and fluidity of red blood cells in blood can be promoted through negative ions, so that blood circulation is improved, which is possibly beneficial to skin and blood vessels, nutrient substances and oxygen can be provided, waste can be eliminated, the negative ions are considered to be capable of stimulating metabolism of skin cells, cell regeneration and repair can be promoted, and the skin is protected. The negative ions may have positive effects on skin health and appearance, and the negative ions have anti-oxidation characteristics and can help neutralize free radicals and reduce damage of oxidative stress to skin and blood vessels.
Owner:ANMIN (SHANDONG) BIOTECHNOLOGY CO LTD

Man-machine cooperative varicosity precise treatment system and interaction control method

The invention provides a man-machine cooperative varicosity precise treatment system and an interaction control method, and relates to the technical field of minimally invasive medical instruments. Comprising a positioning execution mechanism, a treatment head, a control host and a man-machine interaction terminal. An ultrasonic imaging transducer of the ultrasonic imaging module integrated in the treatment head and a high-intensity focused ultrasound transducer of the high-intensity focused ultrasound module are configured to be confocal in sound field; the control host comprises a radio-frequency signal processing module, and generates a control instruction to automatically adjust or interrupt energy output of the high-intensity focused ultrasound transducer based on a time decorrelation coefficient of a radio-frequency signal acquired by the ultrasonic imaging module in the high-intensity focused ultrasound emission process; the man-machine interaction terminal is used for displaying information and receiving user input. According to the system and the method, accurate, safe and efficient treatment of varicosity is realized on the premise of ensuring absolute safety through modes of intelligent algorithm planning, man-machine interaction confirmation, robot accurate execution and radio frequency signal closed-loop control.
Owner:WEIHAI MEDISON MEDICAL EQUIP CO LTD

Compression Legwear with Linear Pads to Control Symptoms of Varicose Veins

Knee-high and thigh-high compression legwear for right and left legs are disclosed. The legwear, made to be worn by people who have varicose veins, includes at least one linear pad sized, adapted, and configured to exert a pressure of 20-30 mm Hg along a varicose vein, and a zipper for relieving pressure, enabling a wearer to easily remove the legwear.
Owner:NOGUERA NORMAN

Radio frequency catheter ablation assembly and radio frequency ablation system

PendingCN121987328ASolve length mismatch problemadjustable lengthMedical devicesCatheterRf ablationExAblate
The invention discloses a radio frequency catheter ablation assembly and a radio frequency ablation system. The radio frequency ablation assembly comprises a handle and a radio frequency catheter connected with the handle. A radio frequency electrode is arranged on the radio frequency catheter in the length direction of the radio frequency catheter, a movable electrode slip sheet is electrically connected to the electrode, an electrode length adjusting assembly is arranged in the handle, the movable electrode slip sheet can move in the length direction of the radio frequency electrode under the action of the electrode length adjusting assembly, the length of the working end of the radio frequency electrode is adjusted, and the slip sheet is electrically connected with an external power source during use. The catheter radiofrequency ablation device effectively solves many technical problems of existing ultrasound-guided lower limb varicose vein catheter radiofrequency ablation, the length of an ablation catheter can be accurately adjusted, and length mismatching is avoided; a medicine injection function can be integrated, and the problem of lack or non-uniform injection is solved; the working end temperature can be flexibly adjusted, and the ablation problem is reduced; the blood vessel curve passing performance and the thrombus resistance are improved; the positioning difficulty is reduced, and the dependence on experience is reduced; uniform mixing of the hardening agent is realized; the spacer fluid injection operation is simplified, and the capacity difference influence is reduced.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

A traditional Chinese medicine composition for treating varicose veins of lower limbs

The application relates to a traditional Chinese medicine composition for treating varicose veins of lower limbs and application thereof, and belongs to the technical field of traditional Chinese medicines. The application provides a traditional Chinese medicine composition for treating varicose veins of lower limbs, which is composed of 30-60 parts of radix paeoniae alba, 6-40 parts of prepared licorice, 3-12 parts of prepared aconite, 15-30 parts of chuanxiong rhizome and 20-30 parts of eucommia ulmoides, and has the effects of strengthening suction, promoting reflux, balancing suction and pushing, activating blood and resolving stasis, fixing pulse and repairing, relaxing varicose veins and preventing thrombus, so that the application can treat both symptoms and root causes and can be prepared into a pharmaceutically acceptable oral dosage form.
Owner:郑德章

Ablation catheters with induction heating to treat varicose veins

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 tubular conductor formed from a magnetic material and connected to the elongated shaft, and an inductive coil helically wound over the tubular conductor.
Owner:BOSTON SCI MEDICAL DEVICE LTD

Ablation catheters with expandable elements and bipolar electrodes to treat varicose veins

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 an inflatable balloon having a proximal end and an opposite distal end and defining a longitudinal dimension therebetween, and a plurality of electrode sets including elongated electrodes extending along a majority of the longitudinal dimension of the balloon, and the electrodes of each electrode set are configured to form an anode-cathode pair for bipolar delivery of radiofrequency ablative energy to target tissue.
Owner:BOSTON SCI MEDICAL DEVICE LTD

Large saphenous vein ultrasonic three-dimensional reconstruction method based on deep learning

The invention relates to the technical field of vein ultrasound three-dimensional reconstruction, in particular to a great saphenous vein ultrasound three-dimensional reconstruction method based on deep learning, and the method comprises the steps: constructing a deep learning segmentation model of a great saphenous vein ultrasound image; establishing a mapping relation from a pixel space to a physical space; correcting displacement in a three-dimensional reconstruction process by adopting an optical flow estimation technology; and realizing three-dimensional reconstruction of the blood vessel surface based on a traditional algorithm. According to the invention, full-automatic and high-precision blood vessel segmentation and quantitative evaluation are realized, a visual three-dimensional form is provided, and a standardized tool is provided for precise diagnosis and treatment of varicose veins of lower limbs.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE