26 results about "Lower extremity veins" patented technology

The invention belongs to the technical field of intelligent medical treatment, and provides a stretch sock for preventing lower limb venous thrombosis, comprising: a wrapping body having a pressure layer located on the outer side, a contact layer located on the inner side, and a functional layer located between the pressure layer and the contact layer; the physiological index sensor is arranged on the functional layer and used for collecting physiological index data of the user; the stimulating electrode is arranged on the contact layer, is in contact with the skin of the user and is used for stimulating muscles of the user; the controller is connected with the physiological index sensor and the stimulating electrode and used for receiving the physiological index data and generating a control signal of the stimulating electrode based on the physiological index data and the user baseline data so as to control the stimulating electrode to execute the stimulating parameters corresponding to the control signal. According to the stretch sock for preventing the lower limb venous thrombosis, personalized stimulation can be carried out based on the personalized physiological indexes of the current wearing user, and the prevention effect of the lower limb venous thrombosis is improved.

The utility model belongs to the technical field of medical tools, and particularly relates to a lower limb vein embolism prevention device which comprises a bed body, a mattress is arranged on the top of the bed body, a massage assembly is connected to the inner side of the mattress in an inserted mode, the massage assembly comprises an outer frame, an electric hydraulic cylinder and a moving frame, and a moving hole is formed in the top of the outer frame. A soft cushion is fixed to the inner side of the moving hole, and a massage ball is fixed to the middle of the soft cushion. After a patient lies on the mattress, the lower limbs of the patient are placed above the mattress and above the massage balls, the electric hydraulic cylinder is started through an external power source to drive the movable frame to move in a reciprocating mode, and therefore the extrusion columns can extrude the massage balls in a reciprocating mode and jack the massage balls upwards, and massage operation on the lower limbs of the patient is achieved. Meanwhile, the massage assembly is hidden below the mattress, the situation that the space of the bed surface is occupied is avoided, medical staff can conveniently conduct nursing operation such as examination or cleaning on the patient, and practicability is high.

The invention discloses a method and equipment for monitoring lower limb vein deformation and blood flow based on an M-type ultrasonic technology, and the method comprises the steps: carrying out the M-type ultrasonic scanning of the lower limb skin of a user in a motion state in a preset sampling line direction through a flexible patch type ultrasonic probe; based on a preset grayscale signal gradient condition and a region-of-interest extraction condition, converting the scanned M-type ultrasonic image into a grayscale image, extracting a region-of-interest from the grayscale image, marking a low-pixel line segment representing a blood vessel envelope region in the region-of-interest as a'dark line ', d-type ultrasonic waves of a flexible patch type ultrasonic probe are used for measuring an optimal sampling line of a dark line, integration is carried out on deformation of the dark line along with time, the part between two adjacent waveforms in an obtained broken line graph is marked as a dark area, integration is carried out on changes of the edge and the internal pixel value of the dark area along with time, and the optimal sampling line of the dark line is obtained. And outputting a motion waveform image of the depth positions of the vein tube wall and the vein valve along with the time change, and calculating the vein deformation quantity of the lower limb muscles.

The invention relates to the technical field of physiotherapy instruments, in particular to a rehabilitation training device for lower limb venous thrombosis prevention and treatment. The device comprises an inflatable massage protective sleeve and a treading training assembly, the inflatable massage protective sleeve comprises a protective sleeve shell, a middle-layer inflatable sleeve and an inner-layer massage inflatable sleeve which are sequentially arranged in a stacked and sleeved mode from outside to inside, and the inflatable massage protective sleeve is of a double-sleeve inflatable structure of the middle-layer inflatable sleeve and the inner-layer massage inflatable sleeve; by means of the mode that the middle-layer inflation sleeve is inflated to enable the inner-layer massage inflation sleeve to be attached to the shanks of the patient firstly, and then the inner-layer massage inflation sleeve is inflated, it is guaranteed that under the condition that the shanks of the patient are thin, the inner-layer massage inflation sleeve can still keep the enough expansion degree, and therefore the massage strength is guaranteed; and the problem of insufficient massage force during re-inflation caused by excessive expansion of the inflation sleeve is avoided. Therefore, the problem that in the prior art, the strength of massaging the shanks of the patient is possibly low is solved, and the problem that the patient cannot be prompted according to the specified training strength during ankle joint treading training is also solved.

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.

The invention discloses a foaming agent pharmaceutical composition for treating varicose veins of lower limbs, which is composed of the following components: 6 ml of concentrated sodium chloride, 10 mg of sodium aescinate, one vitamin C (2 ml: 0.5 g) and 4 ml of air, according to the foaming agent pharmaceutical composition for treating varicose veins of lower limbs and a preparation and use method thereof, a foaming agent is formed through mixing and pushing of air and a solution, and the foaming agent is used for treating varicose veins of lower limbs. The contact area of the medicine and the blood vessel wall is obviously increased, the acting time is prolonged, the closing function of a vein valve can be repaired, a broken and reduced collagen fiber layer on the outer layer of the blood vessel can be repaired, the strength of the blood vessel wall is enhanced, and the effect of treating varicosity is improved.

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 invention discloses a thrombus feature analysis method and system based on lower limb vein data deep learning, and solves the problems of insufficient lower limb thrombus feature recognition and attention focusing deviation. The method comprises the following steps: acquiring an in-vitro lower limb vein data set containing original data and thrombus region segmentation masks; key layer data covering a thrombus area is extracted through preprocessing to serve as to-be-analyzed data, and a dual-channel tensor of the data and a mask is constructed; after balancing the data, dividing training, verification and test sets; the method comprises the following steps: inputting a model consisting of an improved OfficientNet-B3 (additionally provided with a fine feature convolutional layer) and a mask-guided multi-head self-attention module, extracting thrombus features and focusing a thrombus region, and outputting a classification identifier representing thrombus attributes; and generating a thrombus region visual attention distribution map based on the identifier, and synchronously outputting parameters such as a thrombus bounding box and an area. The system comprises a preprocessing module, a data balancing module, a model training reasoning module and a result output module. The thrombus feature analysis precision and result interpretability are improved, and the method is suitable for automatic analysis of lower limb vein thrombus features.

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.

The utility model belongs to the technical field of gynecological nursing tools, and particularly relates to a device for preventing lower limb vein embolism after a gynecological operation, which comprises an electric hydraulic cylinder, a drawing cylinder is fixed at the edge of the top surface of the electric hydraulic cylinder, an output shaft is fixed at the output end of the electric hydraulic cylinder, a piston plate is fixed at the top of the output shaft, and the piston plate is fixed at the bottom of the electric hydraulic cylinder. The piston plate is located on the inner side of the drawing cylinder, the top of the drawing cylinder is connected with a butt joint hose in a penetrating mode, one end of the butt joint hose is connected with a first pressing sleeve in a penetrating mode, and the first pressing sleeve comprises a leg sleeve and a foot sleeve. The electric hydraulic cylinder is started through an external power source, so that the electric hydraulic cylinder drives the piston plate to reciprocate on the inner side of the drawing cylinder, when the drawing plate is pushed upwards, air on the inner side of the drawing cylinder is extruded and guided to the space between the inner layer structure and the outer layer structure of the leg sleeve and the foot sleeve, and the inner layer soft sleeve protrudes after being inflated; therefore, the massage blocks can extrude the legs and the feet of the patient, and the limbs of the patient can be automatically massaged through reciprocating operation.

The application relates to the technical field of medical products, in particular to an elastic leg sleeve used after varicose vein surgery of lower limbs, which comprises an inner elastic sock, a plurality of outer bands are arranged on the inner elastic sock, each outer band comprises an integrally-connected pocket layer, an air bag layer and a wear-resistant layer, the air bag layer is arranged between the pocket layer and the wear-resistant layer, a storage cavity is arranged in each pocket layer, and an inflation cavity is arranged in each air bag layer; an opening is arranged on one side of each storage cavity, a zipper is arranged in the opening, and a first magic tape and a second magic tape are fixedly installed on the surfaces of each wear-resistant layer and the pocket layer respectively. The application can realize accurate pressurization, the air bag layer can generate pressure on a patient, so that the effect of pressurization treatment is achieved, the operation is relatively convenient and fast, the efficiency of bandaging is relatively high, the degree of bandaging and pressurization is easy to control, and the recovery of the patient is facilitated.

The utility model discloses a kind of portable leg circumference measuring devices for lower limb venous thrombosis patient, specifically related to clinical nursing auxiliary instrument technical field, including main body, two fixed components are fixedly connected with the outer surface of main body, two The inner cavity of fixed component is fixedly connected with adjusting component, and the upper portion and lower portion of two adjusting components are fixedly connected with measuring component.The utility model discloses a kind of portable leg circumference measuring devices for lower limb venous thrombosis patient, by the measuring component of design can realize magnetic adsorption can realize " one paste use ", spare traditional bandage needs manual adjustment tightness, knot or the step of sticking magic paste, especially suitable for patient of inconvenient movement or needing frequent measurement, simultaneously, magnetic bandage can preset patella, ankle joint and other key positioning points, by magnetic attraction adhesion ensure that measurement position is consistent each time, and soft magnetic material texture is soft and without hard component, avoid the skin indentation or discomfort caused by traditional bandage due to tight.

The utility model relates to a lower limb vein circumference measuring device, and belongs to a medical detection instrument. According to the technical scheme, the device comprises a main measuring plate, a flexible ruler, a centering track, a centering sliding block and a centering triangular plate. Scales are arranged on the main measuring plate, the two groups of flexible rulers are arranged at the two ends of the main measuring plate, and the centering track is arranged in the middle of the main measuring plate and is perpendicular to the length direction of the main measuring plate; a centering sliding block is arranged on the centering track, a centering triangular plate is arranged on the centering sliding block and is an isosceles triangle, identical and symmetrical scales are arranged on the two equiangular edges, and the vertex angle of the centering triangle is located on the centering track. The centering speed is high, rapid centering can be achieved, and inaccuracy of the measurement position is avoided; the structure is suitable for single-person operation, and is more friendly to patients compared with a marking pen.

The invention relates to the technical field of medical products, in particular to a post-operation elastic leg sleeve for varicose veins of lower limbs, which comprises an inner-layer stretch sock, a plurality of outer straps are arranged on the inner-layer stretch sock, and each outer strap comprises a bag layer, an air bag layer and a wear-resistant layer which are integrally connected. The air bag layers are arranged between the bag layers and the wear-resistant layer, a storage cavity is formed in each bag layer, and an inflation cavity is formed in each air bag layer; and an opening is formed in one side of each storage cavity, a zipper is arranged in each opening, and a first hook-and-loop fastener and a second hook-and-loop fastener are fixedly installed on the surface of each wear-resisting layer and the surface of the bag layer correspondingly. Accurate pressurization can be achieved, the air bag layer can generate pressure on a patient, so that the pressurization treatment effect is achieved, operation is convenient and rapid, the binding efficiency is high, the binding pressurization degree is easy to control, and recovery of the patient is facilitated.

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.