15 results about "Lower extremity veins" patented technology

This invention discloses a non-invasive real-time monitoring and intervention system for preventing and treating lower extremity deep vein thrombosis (DVT). It is characterized by comprising an impedance monitoring module, a microcurrent stimulation module, and a data analysis and display module. The impedance monitoring module is connected to the data analysis and display module and includes an impedance measurement circuit and a ring-shaped flexible electrode patch. The ring-shaped flexible electrode patch employs a ring-shaped multi-electrode array composed of multiple sets of electrodes, with current injected into the distal electrodes and voltage difference detected at the proximal electrodes. The impedance monitoring module measures changes in lower extremity impedance through the ring-shaped multi-electrode array. The microcurrent stimulation module is connected to the data analysis and display module and uses a constant current source output. The data analysis and display module includes a main controller and a display. The main controller combines a machine learning model to predict DVT risk, achieving closed-loop control. This invention exhibits good stability, achieving non-invasive, real-time, continuous monitoring and active intervention, overcoming the shortcomings of existing monitoring and prevention technologies.

1. Name of the product in this design: Compression Socks (A202). 2. Purpose of this design: To promote venous blood return in the lower limbs through gradient pressure, thereby preventing, alleviating and assisting in the treatment of related lower limb vascular and circulatory problems. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. This design is for a thin product; therefore, top and bottom views are omitted.

The invention provides a transfemoral artery puncture angiography post-operation lower limb fixing device which is provided with a horizontal bottom plate, and two hanging lugs of the horizontal bottom plate are connected with bandages respectively. The top surface of the horizontal bottom plate is fixedly provided with a foot support bracket which is supported upwards; the front end of the upper part of the foot support bracket is connected with a vertical shoe-shaped foot support of which the lower part is suspended through a ball-and-socket joint; the shoe-shaped foot support is provided with a sole and an upper, and the upper on the left side and the right side of the sole is connected with a toe strap and two instep straps which are obliquely crossed above the root of the instep. The position of the device on a bed surface can be flexibly adjusted according to the specific positions of radiography lower limbs of patients with different heights, after the radiography lower limbs of the patients are fixed through the shoe-shaped foot supports, it can be guaranteed that the lower limbs of the patients cannot bend knees and bends, and when ball-and-socket joints are relaxed, the soles of the patients can conduct sole movement behaviors such as ankle pump movement in good time; muscle stiffness is relieved; and venous thrombosis of lower limbs is prevented. In addition, due to the bridle design of the device, the dorsal foot artery pulsation condition of the patient can be observed conveniently.

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.

The utility model relates to the field of varicose vein prevention, in particular to a lower limb varicose vein prevention device which comprises a leg sleeve, a lining layer is arranged on the inner side of the leg sleeve, a plurality of first air bags are installed between the leg sleeve and the lining layer, a plurality of first air pumps are installed on the outer side of the leg sleeve, and the first air pumps are communicated with the first air bags through air pipes. The device comprises a leg sleeve, ear plates are symmetrically fixed to one end of the leg sleeve, a motor is installed on one side of one ear plate, a foot sleeve used for containing a foot sole is installed on the inner side of each ear plate, and the output end of each motor is fixedly connected with the corresponding foot sleeve. According to the device for preventing the varicose veins of the lower limbs, the first air bag is inflated and deflated by operating the first air pump, the legs can be effectively massaged, and blood circulation is promoted. In addition, the motor drives the foot sleeve to swing back and forth, the dynamic effect can further accelerate blood flow, and varicose veins of the lower limbs are effectively prevented.

The utility model relates to medical instrument technical field, especially a kind of wearable prevention lower limb venous thrombosis formation fixer, including mounting plate, the mounting plate is provided with two, the inside surface lower part of two the mounting plate is fixedly installed with bearing and is inserted, two the bearing inside are fixedly installed with movable rod, the outside surface of two The movable rod is fixedly connected with anti-drop block, the upper part between two The mounting plate is fixedly connected with leg fixing assembly, two The movable rod between is fixedly connected with foot fixing assembly.The utility model relates to a kind of wearable prevention lower limb venous thrombosis formation fixer, by setting leg fixing assembly and foot fixing assembly, leg and foot can be stably fixed, maintain normal physiological posture, promote blood circulation, effectively prevent thrombosis, breathable sponge inner layer close to skin, soft and comfortable, can avoid skin allergy and discomfort, aluminium alloy middle layer provides solid support, ensure that leg posture is correct.

Apparatus and methods are described including reducing cardiac preload of a subject by partially occluding a vena cava of the subject at an infra-renal location. One or more physiological parameters of the subject are monitored, the one or more physiological parameters including lower body venous pressure, central venous pressure, central venous blood flow, renal venous pressure, cardiac diameter, cardiac volume, arterial pressure, and / or arterial blood flow. An extent to which the vena cava is occluded at the infra-renal location is modulated, responsively to the one or more physiological parameters. Other applications are also described.

The utility model relates to medical measuring instrument technical field, and disclose a kind of lower limb venous thrombosis leg circumference measuring scale, including frame, the both ends of frame are fixedly connected with magic band, the inside fixed connection of frame has two long poles, the surface sliding connection of long pole has three sliding plates, two The inside fixed connection of sliding plate has slide bar, the surface sliding connection of slide bar has sliding block, the surface sliding connection of sliding plate has casing.This lower limb venous thrombosis leg circumference measuring scale, by setting the sliding rule to the both ends of patella center point, so that the patella center line is obtained after marking pen, two sliding rules can be respectively aligned with the upper and lower measurement area position of patella, guarantee the accuracy of the measurement position of sliding rule compared with the midpoint line of patella, more conducive to the measurement of patient venous thrombosis leg circumference in clinical application.

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.

The application discloses a thrombus feature analysis method and system based on deep learning of lower limb vein data, solves the problems of insufficient lower limb thrombus feature recognition and attention focusing deviation. The method comprises the following steps: acquiring an ex vivo lower limb vein data set containing original data and a thrombus region segmentation mask; preprocessing and extracting key layer data covering the thrombus region as analysis data, and constructing a double-channel tensor of the data and the mask; balancing the data and dividing the data into training, verification and test sets; inputting an improved EfficientNet-B3 (additional fine feature convolution layer) and a mask guided multi-head self-attention module to extract thrombus features and focus on the thrombus region, and outputting a classification identifier representing thrombus attributes; generating a thrombus region visual attention distribution map based on the identifier, and synchronously outputting thrombus bounding box, area and other parameters. The system comprises preprocessing, data balancing, model training and reasoning, and result output modules. The application improves the thrombus feature analysis accuracy and result interpretability, and is suitable for automatic analysis of lower limb vein thrombus features.

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.

This utility model relates to a tool for measuring leg circumference, belonging to the field of medical auxiliary device technology. It includes a flexible measuring tape, and further includes a primary positioning ruler and a secondary positioning ruler that are slidably connected. The bottom of the secondary positioning ruler has a fixed piece and a movable piece slidably connected thereto. A flexible measuring tape is located on one side of the primary positioning ruler, and one end of the flexible tape is slidably connected to the primary positioning ruler. The secondary positioning ruler has an I-shaped structure, and a vertical through-type groove that cooperates with the secondary positioning ruler is opened at the center of the primary positioning ruler. The tool for measuring leg circumference provided by this utility model, through the cooperation of the primary positioning ruler, secondary positioning ruler, fixed piece, movable piece, and flexible measuring tape, can quickly and accurately locate the position 15cm above and 10cm below the midpoint of the patella for leg circumference measurement, comprehensively improving the convenience of leg circumference measurement when monitoring the treatment effect of lower extremity deep vein thrombosis.

The utility model is applicable to the technical field of medical treatment, and provides a closing device for varicose veins of lower limbs, which comprises an exercise bed for a patient with varicose veins of lower limbs to lie flat; the avoiding opening is formed in the exercise bed; the placing frame is arranged below the avoiding opening; the first telescopic rod is assembled on the placement frame, and a placement plate is fixedly mounted on an output shaft of the first telescopic rod; the elastic rope is fixedly arranged on the placing plate and is used for fixing the lower limbs of a patient with varicose veins of the lower limbs; the first exercise mechanism is arranged on the placing frame and the first telescopic rod. The closing device for the varicose veins of the lower limbs can help a patient to conduct closing exercise operation in different modes, effectively helps the patient to conduct rehabilitation training, and meanwhile reduces nursing burdens of family members.

1. Name of the product in this design: Lower extremity venous thrombosis treatment device (for orthopedic nursing). 2. Purpose of this design: For the rehabilitation treatment of lower extremity venous thrombosis. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This application relates to the technical field of medical devices, and in particular to a multimodal collaborative lower limb ankle pump motion assistive device, which includes a main controller, a foot drive module composed of bilinear push rods and universal ball joints, a calf gradient pressurization module with a multi-chamber airbag, and a carbon fiber support structure. This application achieves precise timing coordination of mechanical drive and pneumatic pressurization through the main controller. During plantar flexion, sequential pressurization is applied to the calf muscle group from distal to proximal, and pressure is simultaneously released during dorsiflexion, thus highly simulating the physiological muscle pump effect. The device supports multiple movement modes such as dorsiflexion, plantar flexion, and compound circumduction, and integrates pressure, angle, and hemodynamic monitoring units to achieve closed-loop feedback control and risk warning. This application can significantly improve the efficiency of lower limb venous blood return, effectively prevent deep vein thrombosis, reduce the workload of medical staff, and is suitable for various scenarios such as ICU critical care, postoperative rehabilitation, and long-distance travel.