53 results about "Lower extremity veins" patented technology

The invention relates to the technical field of orthopedic diagnosis and treatment, in particular to a monitoring method and system for dynamically monitoring the lower limb vein blood flow state and a storage medium. The method comprises the following steps: acquiring a lower limb vein ultrasound image sequence of a target patient, and establishing a blood vessel space probability distribution map based on anatomical priori knowledge; encoding the blood vessel space probability distribution map into conditional prior information, and constructing a blood vessel ontology knowledge base; constructing a multi-level diffusion probability model according to the blood vessel ontology knowledge base; and performing vascular structure reconstruction and blood flow feature extraction on the lower limb vein ultrasound image sequence by using the multi-level diffusion probability model to obtain blood vessel fluid feature data. Vascular positioning, branch recognition and morphological analysis are completed step by step from macroscopic to microcosmic through the three-level diffusion model, blood flow dynamic information is extracted in combination with time sequence features, and comprehensive representation of a vascular system is achieved.

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 discloses an intelligent ankle pump movement massage instrument which comprises a control instrument, two air pressure leg sleeves, a connecting part used for connecting the control instrument and the air pressure leg sleeves, a rotating motor arranged on the air pressure leg sleeves, a rotating frame connected with the output end of the rotating motor and a mounting frame arranged on the rotating frame. The device comprises a mounting frame, a driving part located on the mounting frame, a foot boot connected with the driving part, and a massager and a heater arranged on the foot boot, the device can massage the foot sole of a patient and heat the foot of the patient at the same time through the arranged massager, and during operation, in combination with foot sole massage, meridian conditioning and constant-temperature heating can be achieved, so that the patient feels comfortable; meanwhile, blood circulation is further promoted; meanwhile, limb injury caused by dysphoria of the patient can be prevented through the air bag arranged in the air pressure leg sleeve, the femoral vein blood flow peak velocity is increased through the lower limb muscle pump combined with the negative pressure effect of the thoracic cavity, the lower limb vein blood return volume is increased, and lower limb deep vein thrombosis is effectively prevented.

A monitoring system for detecting deep venous thrombosis, relating to the technical field of medical instruments. The monitoring system comprises a signal acquisition module and an ultrasonic hardware system. The signal acquisition module performs ultrasonic transceiving between a plurality of ultrasonic probes and a detected object to acquire ultrasonic detection data of the detected object, converts the ultrasonic detection data to analog signals by means of 128 channels in the ultrasonic probe, and transmits the analog signals to the ultrasonic hardware system. The ultrasonic hardware system comprises a multiplexer module, an analog signal processing module, a beamforming module, and an upper computer module. The monitoring system facilitates medical staff in monitoring the deep venous thrombosis of a patient. By arranging the plurality of ultrasonic probes, the monitoring system can monitor veins at different positions of the patient, thereby avoiding tedious operations during detection, and enabling the real-time detection of thrombosis of multiple lower limb veins of the patient.

The invention discloses a multifunctional position pad for preventing deep vein thrombosis of lower limbs, which comprises: a position pad main body, on which a plurality of air bags are arranged; an inflatable component, which is connected to the air bags through a trachea, and comprises an air compressor, a buffer air bag, a control component and a valve, wherein the air compressor is connected to the buffer air bag through a first pipeline, and the buffer air bag is connected to the valve through a second pipeline, and the valve and the control component are controlled to be connected; a magnetic therapy component, which is arranged on the position pad main body; at least one fixed component, which is arranged on the surface of the position pad main body; a baffle component, which comprises a baffle and a driving component, wherein the baffle is rotatably connected to one end of the position pad main body, and the driving component drives the baffle to rotate. The invention can prevent venous thrombosis of lower limbs, and can also massage the legs, promote blood circulation, and ensure the smoothness of blood flow. The baffle component can help patients do passive ankle pump exercises and maintain functional positions.

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.

The invention relates to the technical field of medical imaging, and discloses a lower limb vein 3D imaging method, which comprises the following steps: identifying an imaging range of a lower limb vein patient, and collecting a lower limb slice image of the lower limb vein patient; analyzing the pixel distribution condition of the tissue type, and identifying a venous blood pixel intensity factor of the patient with the lower limb vein; constructing a pixel integral and an image of the corrected image, performing image segmentation processing on the corrected image to obtain a segmented image, and determining a vein blood vessel of the patient with the lower limb vein; analyzing the influence degree of the feature type on the lower limb vein patient, and performing dimension reduction processing on the vein features to obtain key vein features; and according to the key vein features, the pixel integral and the image, constructing a lower limb vein 3D image of the lower limb vein patient, analyzing an imaging effect of the lower limb vein 3D image on a vein blood vessel, and based on the imaging effect, outputting a 3D imaging result of the lower limb vein patient. The three-dimensional structure and the spatial relation of the lower limb veins can be visually displayed, and the accuracy of diagnosis results is improved.

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. 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 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.

The ankle rehabilitation training device comprises a support, a pedal, a swing assembly, a massage assembly and a supporting and guiding assembly, vertical rods are fixedly arranged on the two sides of the upper portion of the support, and a rotating rod is rotationally arranged between the two vertical rods; a limiting sleeve is fixedly arranged on one side of the pedal, and a sleeve is fixedly arranged at the position, located on the rotating rod, of the lower portion of the pedal in a sleeving mode. By means of the device, the feet of a patient can swing oppositely and reversely, meanwhile, the feet of the patient can be straightened forwards and bent and hooked in the direction close to the legs, the feet of the patient can be moved and exercised, meanwhile, the device is matched with the massage assembly to massage the shanks of the patient, blood flow is accelerated, thrombosis is relieved, and the patient feels comfortable. Rehabilitation training after lower limb vein thrombosis of a patient is effectively carried out, the labor intensity of family members or medical workers is effectively reduced, and the foot training efficiency of the patient is improved.

The utility model discloses a lower limb pressure sore prevention pad in the field of clinical nursing, which comprises an adjustable supporting base, a supporting body is arranged on the adjustable supporting base, an inclined supporting surface I and an inclined supporting surface II are respectively arranged at the upper part of the supporting body, and the supporting surface I and the supporting surface II are mutually inclined. A first longitudinal groove is formed in the position, between the first supporting face and the second supporting face, of the supporting body, a second longitudinal groove and a third longitudinal groove are formed in the second supporting face of the supporting body, the length of the first groove, the length of the second groove and the length of the third groove are parallel to the width direction of the supporting body, an inflatable cushion is arranged on the first supporting face, a first water filling cushion is arranged on the second supporting face, and a second water filling cushion is arranged on the second supporting face. The inner walls of the first groove, the second groove and the third groove are each provided with a second water filling pad. The lower limb supporting device can play a good role in supporting the lower limbs of a patient, reduce the possibility that the lower limbs generate pressure sores, relieve the venous thrombosis of the lower limbs, and reduce the pain of the patient.

The method for early diagnosing and managing varicose veins of lower limbs by a server according to an embodiment of the present invention comprises: a step for acquiring, from a user device, information relating to varicose veins of lower limbs; a step for analyzing and numeralizing the degree of capillary exposure on the basis of the information relating to varicose veins of lower limbs; a step of assessing the risk degree of varicose vein of the lower limb based on the numeralized capillary exposure degree; and a step of transmitting assessment result information of varicose vein of the lower limb to the user device based on the assessed risk degree of varicose vein of the lower limb.

The invention discloses an exercise device for preventing lower limb vein thrombosis, and relates to the technical field of exercise devices. The exercise device comprises a bottom plate part, an air cylinder is installed on the surface of the bottom plate part, the telescopic end of the air cylinder is fixedly connected with a supporting pad, an adjusting mechanism is installed on the surface of the bottom plate part, and a dredging part is installed on the surface of the adjusting mechanism; extending pieces are installed on the surface of the bottom plate piece, lifting pieces are installed on the surfaces of the extending pieces, fixing plates are installed on the surfaces of the lifting pieces, and stabilizing pieces are installed on the surfaces of the fixing plates. The controller controls the air pump to adjust inflation, then the air bag sleeve is inflated, the air bag sleeve wraps the ankle, then the magnetic block is attached to the ankle, and the magnetic block conducts magnetic massage on the ankle, so that the ankle can be dredged, blood is prevented from being coagulated on the ankle, a patient lying in bed can be well exercised, and the patient lying in bed can be well exercised. The stabilizing piece is driven by the stretching piece to stretch and move, and then the front leg is stretched, so that thrombosis caused by the fact that the patient is not exercised due to long-term bed is prevented.

The invention discloses a device for preventing lower limb deep venous thrombosis, and relates to the technical field of medical instruments, a prevention and measurement assembly is arranged on the outer side of a sock leg, zipper heads are symmetrically installed on a detection zipper opening, a color ultrasound probe is clamped between two rubber clamping plates, and adjusting zippers are installed in a main adjusting opening and an auxiliary adjusting opening. According to the invention, the color ultrasound probe slides up and down along the opening of the detection zipper, the blood flow velocity and the like at the path position are detected and analyzed, the operation is convenient, numerous detection patches do not need to be pasted, the varicosity sock does not need to be taken off, and the detection efficiency is improved. The detection efficiency is improved, the adjusting zipper in the auxiliary adjusting opening is loosened, the tension degree of the sock leg is changed, detection is carried out under different pressure conditions, detection can be conveniently carried out under the tightening and loosening conditions, follow-up data comparison is facilitated, the detection precision is improved, timely treatment is facilitated, and formation of lower limb venous thrombosis is effectively prevented.

The invention discloses application of a reagent for detecting PGC-1alpha expression in preparation of a product for diagnosing and treating lower limb vein ulcer. The PGC-1alpha is down-regulated in a lower limb vein ulcer case. The invention further discloses application of the PGC-1alpha in preparation of a medicine for treating recurrence of lower limb venous ulcer. Overexpression of the PGC-1alpha can down-regulate expression of inflammatory factors, relieve limb swelling, ulcer healing and pain and relieve tissue edema. According to the application of the PGC-1alpha in preparation of the medicine for treating relapse of the lower limb vein ulcer, expression of the PGC-1alpha protein in patients with the lower limb vein ulcer is reduced, and experiments prove that the PGC-1alpha protein plays an important role in relapse of the ulcer, clinical symptoms, tissue edema and inflammatory response, and the PGC-1alpha protein can be used for preparing the medicine for treating relapse of the lower limb vein ulcer. The PGC-1 alpha protein is expected to become a new target for treating recurrence of the lower limb vein ulcer, and a treatment strategy aiming at the PGC-1 alpha protein possibly becomes an important direction for preventing recurrence of the lower limb vein ulcer in the future.

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 post-operation lower limb embolism prevention, in particular to a post-operation patient lower limb vein embolism prevention exercise device which can adjust the height through rotation of a supporting structure on one side, can be fixedly connected with a bed body and is provided with a foot fixing structure capable of adjusting the tightness on one side, and the problems in the background technology are effectively solved. Comprising a transverse shaft sleeve, a rotating shaft is rotationally arranged in the shaft sleeve, the two ends of the rotating shaft extend out of the shaft sleeve respectively, supporting rods are arranged at the two ends of the rotating shaft forwards and backwards respectively, the tail ends of the supporting rods are transversely provided with pedals outwards respectively, and the pedals are used for fixing feet and can adjust tightness on one side. A first supporting rod is obliquely and fixedly arranged on one side of the bottom face of the shaft sleeve, a first transverse rod is fixedly arranged at the tail end of the first supporting rod, first rubber sleeves are fixedly arranged at the two ends of the first transverse rod respectively, and a supporting piece capable of rotationally adjusting the supporting height is fixedly arranged on the lower side of the upper end of the first supporting rod; a manual damping adjusting piece is arranged on the upper side of the shaft sleeve. The device is easy to operate, convenient to use and suitable for various patients.

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 invention discloses a lower limb varicose vein multifunctional treatment evaluation device and method.The treatment evaluation device comprises a multifunctional treatment bandage, a treatment evaluation instrument and an upper computer, and the multifunctional treatment bandage is connected with the treatment evaluation device and used for actively intervening and monitoring the varicose vein part; the treatment evaluation device is connected with the upper computer and used for signal transmission and processing, the upper computer is used for data analysis processing and visual operation, the multifunctional treatment evaluation device is easy to operate and low in manufacturing cost, multiple prescription modes are built in, illness state detection, treatment and evaluation can be carried out on patients with varicose veins of lower limbs, and the treatment evaluation device has the advantages of being convenient to use and high in practicability. Wide application prospects are realized in the field of treating varicosity.

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.

The utility model discloses an insole for improving varicose veins of lower limbs, which belongs to the technical field of insoles, and comprises a half sole transverse arch support part positioned at an arch position and a toe support part positioned at a toe position, and the raised height of the half sole transverse arch support part is greater than that of the toe support part. The height of the half sole transverse arch supporting part is gradually reduced in the direction close to the toe supporting part; a suspension part is formed between the forefoot transverse arch supporting part and the toe supporting part and located at the metatarsal bone position of the foot sole, a large number of blood vessels are gathered on the forefoot sole, the suspension part enables the large number of blood vessels not to be extruded, extrusion of the insole on the large number of blood vessels at the metatarsal bone position is effectively relieved, and varicose veins of the lower limbs are effectively prevented.

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 discloses a leg circumference combined measuring scale for pre-evaluating venous thrombosis of lower limbs, which comprises a positioning component, a measuring component and a measuring component, the length measuring assembly comprises a rotating column and a length measuring ruler, the rotating column is fixedly arranged at the top of the positioning assembly in the vertical direction, and one end of the length measuring ruler is rotationally connected with the rotating column in a sleeving mode; the leg circumference measuring assembly comprises a sliding seat and a leg circumference measuring ruler, the sliding seat is in sliding connection with the length measuring ruler in the length direction of the length measuring ruler, one end of the leg circumference measuring ruler is connected with the sliding seat, and the extending direction of the leg circumference measuring ruler is perpendicular to the length direction of the length measuring ruler. The leg circumference combined measuring scale is simple in structure, convenient to operate and low in equipment cost.

The present invention relates to the field of monitoring data analysis technology, and in particular to an ablation process data management system and method based on big data evaluation, comprising: analyzing the abnormal blood flow state during the ablation of varicose veins in the patient's lower limbs through blood flow state data and vascular structure data in the ablation area; analyzing the damage state of the ablation area during the ablation of varicose veins in the patient's lower limbs through temperature field data and vascular structure data in the ablation area; quantifying the dynamic surgical risk during the ablation of varicose veins in the patient's lower limbs based on the analysis results of the abnormal blood flow state and the analysis results of the damage state of the ablation area during the ablation of varicose veins in the patient's lower limbs; and dynamically adjusting the parameters of the ablation device based on the quantified results of the dynamic surgical risk during the ablation of varicose veins in the patient's lower limbs; thereby improving the success rate of the operation, reducing the surgical risk, and improving the patient's postoperative quality of life.

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.