148 results about "Vein thrombosis" patented technology

The invention discloses a venous thrombosis risk assessment method based on a large language model, and relates to the technical field of medical artificial intelligence, and the method comprises the steps: collecting thoracic surgery diagnosis and treatment data of a patient, carrying out the space-time alignment, generating a standard diagnosis and treatment data flow, and carrying out the homomorphic encryption of the standard diagnosis and treatment data flow, and forming an encrypted patient data package; inputting the encrypted patient data packet into a multi-task large language model, performing feature extraction and semantic coding by a feature coding layer, performing time sequence modeling and risk probability calculation by a risk quantification layer, and outputting a venous thromboembolism risk level of a patient; and performing feature decoupling and potential space mapping on the encrypted patient data packet to obtain thrombus semantic potential features. Through the multi-task large language model, the dual machine learning algorithm and the homomorphic encryption, the accuracy of venous thrombosis risk early warning is improved, and the safety of the risk assessment process is enhanced.

The invention discloses a deep venous thrombosis early warning method and system based on multi-modal physiological signals, and relates to the technical field of health monitoring. The method is used for realizing thrombus early recognition and graded early warning. The method comprises the following steps: synchronously acquiring physiological signals of lower limbs on two sides through a multi-modal sensing device, performing motion artifact elimination and signal quality screening, and generating preprocessed time sequence data; performing dynamic time warping and feature extraction on the time series data, calculating a bilateral symmetry index and an instantaneous and accumulated time-varying difference degree, and fusing the bilateral symmetry index and the instantaneous and accumulated time-varying difference degree with absolute physiological parameters to form a comprehensive risk assessment vector; establishing a dynamic baseline based on the historical risk vector, calculating a current deviation index, and recognizing an abnormal state in combination with a double-side cooperation mode; and according to the deviation index and the duration, in combination with the abnormality type and the severity, generating a graded early warning signal containing a risk grade and a disposal suggestion through multi-stage judgment, thereby realizing early warning and risk management of thrombus.

The invention belongs to the technical field of intelligent medical treatment, and discloses an auxiliary assessment system for deep venous thrombosis occurrence risks of critical patients in plateau regions. Comprising a data acquisition module used for acquiring basic data, numerical feature data and image feature data of a patient; the index evaluation module is used for performing group division on the numerical feature data and evaluating real-time indexes; the index detection module is used for acquiring historical indexes and identifying abnormal indexes in the real-time indexes based on the historical indexes and the real-time indexes; the image analysis module is used for analyzing the image feature data, extracting blood vessel feature data and quantifying a form anomaly index; the risk assessment module is used for fusing the abnormal index and the form abnormal index, assessing a thrombus risk coefficient and obtaining a risk degree; the method can effectively improve the assessment accuracy of the occurrence risk of deep venous thrombosis, timely identify high-risk patients, and reduce the occurrence rate of deep venous thrombosis and related complications.

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 a bleeding expelling and stopping ring with a fixing support, and relates to the technical field of medical instruments. The hemostasis device comprises a hemostasis ring and a fixing support, one end of the fixing support is detachably and fixedly connected with the hemostasis ring, and the other end of the fixing support is detachably and fixedly connected with a diseased limb. The elastic contraction ring and the bleeding stopping ring are arranged and can be tightly attached to the diseased limb, the uniform and lasting bleeding stopping effect is achieved, complications caused by a conventional air pressure tourniquet are reduced, and the occurrence of lower limb deep vein thrombosis is reduced; the rod-rod fixing clamp is arranged, the angle and the position of the support can be adjusted according to the operation requirement and the change of the body position of the patient, and therefore the accurate control over the operation body position of the patient is achieved; the bleeding expelling and stopping ring and the fixing support are connected and combined for use, so that the risk that the operation operable area range is possibly reduced and the operation difficulty is increased when one end close to the operation part is fixed through an external support is avoided, and the operation success rate is increased.

The invention discloses a deep vein thrombosis risk early warning health information system based on dynamic negative pressure monitoring and AI, and relates to the technical field of intelligent medical health information. Comprising a dynamic negative pressure sensor module, a multi-modal data acquisition module, a waveform primitive analysis module, a hierarchical attention fusion module, a risk assessment classifier module and an early warning output module. The dynamic negative pressure sensor module is used for continuously collecting dynamic negative pressure signals of the lower limbs of the user. According to the dynamic negative pressure monitoring and AI deep vein thrombosis risk early warning health information system, the problem of multi-source heterogeneous physiological data fusion is solved; an original dynamic negative pressure signal is converted into a symbolized primitive sequence with clear physiological significance, so that the data quality is fundamentally improved; according to the method, adaptive fusion of multi-modal data and accurate focusing of key time slices are realized, the specificity and robustness of a risk assessment model are improved, and a false alarm phenomenon caused by physiological activity interference is reduced.

The invention relates to the technical field of intelligent diagnosis and treatment, and discloses an intelligent diagnosis and treatment system for dynamic risk early warning and intervention of orthopedic patients, and the system comprises a dynamic monitoring end, an intelligent grading end, a precise intervention end, a voice alarm module and a doctor's advice cooperation module. A multi-source sensor is used for continuously collecting vital signs of a patient and local microcirculation and behavior data of an affected limb in real time, and dynamic fusion analysis is carried out based on an orthopedic specialized risk model, so that early abnormal changes of deep venous thrombosis, stress injury and falling risks can be recognized in real time; the method overcomes the hysteresis quality of traditional manual intermittent evaluation and static scale, ensures the accuracy and timeliness of early warning of severe risks, and reduces clinical risks caused by untimely intervention.

The systems and methods of the present invention can remove target material (including blood clots) from body parts (including but not limited to the circulatory system) for the treatment of pulmonary embolism (PE), deep vein thrombosis (DVT), cerebral vascular embolism, and other vascular obstructions. The capture system may include a tubular body and an end having an opening and a capture guide. In some embodiments, the body or funnel tip of the catheter is expandable.

Processing generated sensor data of a mobile deep vein thrombosis (DVT) device may include identifying use of the mobile DVT device corresponding to a user. Sensor data associated with the user's identified use of the mobile DVT device may be generated. At least some of the generated sensor data may comprise use data associated with a duration of use of the mobile DVT device by the user. A protocol associated with use of the mobile DVT device may be processed. The generated use data and the protocol associated with use of the mobile DVT device may be correlated. Based on correlating the generated use data and the protocol, an alert associated with the generated use data and the protocol may be generated.

Quinazoline dione compounds are provided for treating cardiac indications such as hypertrophic cardiomyopathy and diastolic dysfunction. Diseases treated by the methods described herein include, but are not limited to, cardiomyopathy, hypertrophic cardiomyopathy (HCM), abnormal heart rhythms, aortic disease, Marfan syndrome, coronary artery disease, heart attack, heart failure, rheumatic heart disease, peripheral vascular disease, stroke, deep vein thrombosis, and pulmonary embolism.

The present invention provides a nanoscale MOF with pH-responsive function for targeted dual-drug thrombolysis and a preparation method thereof. Hollow mineralized nanoscale calcium carbonate powder is mixed with γ-cyclodextrin and a potassium ion compound, ultrasonically dispersed, and then incubated to form a cyclodextrin MOF embedded with calcium carbonate. An RGD polypeptide is grafted onto the surface of the cyclodextrin MOF embedded with calcium carbonate to obtain MOF-RGD. The grafted MOF-RGD is impregnated into ethanol containing an anticoagulant drug, air-dried, and then mixed with a thrombolytic drug, so that the thrombolytic drug is loaded on the surface of the nanoscale MOF to obtain a pH-responsive targeted nanoscale MOF. The present invention forms a nanoscale MOF with a targeted function, which combines thrombolysis and anticoagulation, and realizes the treatment and prevention of deep vein thrombosis.

A vacuum aspiration system may be used to treat thromboembolic disease, such as deep vein thrombosis or pulmonary embolism. The system includes a housing, and a fluid flow path extending through the housing. An aspiration catheter is in fluid communication with the flow path, and a connector is configured to place a source of aspiration in communication with the flow path. A hemostasis valve is provided in the housing. The housing may be configured to receive and releasably engage a thrombus engagement tool.

A patient screening system for providing recommendations for screening of a hospitalized patient for risk of developing deep vein thrombosis (DVT) or pulmonary embolism (PE) based on their health records and retinal images, is described herein. The patient screening system may include an optical imaging device for capturing retinal images, and a DVT risk assessment system configured to generate the recommendation for further screening tests. The DVT risk assessment system may implement various AI / ML models trained on a training dataset of anonymized patient data. The patient screening system may also implement detectors for various ophthalmic features correlated with blood clot-related conditions of the patient. Any patient screening based on the recommendation may be followed up, and results of such screening used to improve performance of the patient screening system.

The invention relates to the technical field of medical health monitoring, and discloses a foldable leg circumference measurement system and method for deep venous thrombosis monitoring, and the system comprises a foldable measurement main body, a bony marker positioning assembly, a sensing measurement assembly, a control module and a communication module; the measuring main body realizes radian adjustment and storage through a damping hinge and an elastic buckle, and the positioning assembly is attached to the patella through an arc-shaped clamping groove and is matched with a high-precision calibration ruler to complete standard site positioning; the sensing assembly collects perimeter and tension data, the control module carries out calibration through a weighted average algorithm, compares an uninjured side reference value and judges whether the data exceed the limit or not, early warning is triggered if the data exceed the limit continuously for three times, and the data are synchronized to a medical care terminal and a patient terminal. The method comprises the steps of site calibration, tension calibration, data processing and early warning archiving. The problems that a traditional measuring tool is low in precision and lags in early warning are solved, multi-scene standardized monitoring is achieved, and support is provided for early warning of thrombus.

The invention discloses a construction method of a rat deep vein thrombosis model, and relates to the technical field of animal models, and the key points of the technical scheme are that the construction method comprises the following steps: step 1) experimental animal selection; step 2) setting in groups; 3) preparing experimental materials and equipment; step 4) preparation before an experiment; 5) anesthesia and surgical operation; and 6) taking down the vascular clamp and closing the abdomen for disinfection. The invention provides a stable and clinically related rat deep vein thrombosis model, the repeatability and reliability of experiments are improved through accurate surgical operation, the experimental process is simplified, the research efficiency is improved, and a powerful experimental tool is provided for research and treatment of deep vein thrombosis.

The invention relates to the technical field of air pressure therapeutic apparatuses, and discloses an air pressure therapeutic apparatus combining air pressure therapy with ankle joint movement therapy and a control method thereof.The air pressure therapeutic apparatus comprises a main machine and is characterized by further comprising a body part arranged on the main machine and used for conducting air pressure therapy on legs; the training part is arranged on the main machine and is used for performing exercise treatment on the ankle joints; the anti-falling part is arranged on the host and is used for fixing the body part; wherein the control body part controls the training part. By arranging the training part, the problems that most of traditional devices can only achieve single air pressure treatment through external extrusion of air bags, ankle joints are inconvenient to synchronously drive to conduct active and passive movement of dorsal flexion and plantar flexion, consequently, the blood circulation improvement effect depends on air pressure intensity, cooperative driving of joint movement to a muscle pump is lacked, and the rehabilitation effect is poor are solved. The increase amplitude of blood flow velocity is limited, and the deep vein thrombosis prevention efficiency is difficult to break through the bottleneck.

The utility model discloses a kind of rehabilitation nursing beds, it is related to rehabilitation medical equipment technical field, including bedstead, the continuous disc motor is installed in the side end of bedstead.The utility model is provided with bedstead, support sliding slot, side position support frame, bottom screw rod motor, upper screw shaft motor, driving frame, far infrared heat therapy lamp, control screen, air pump, A road massage air bag and B road massage air bag, by bottom screw rod motor driving side position support frame moves to the position that far infrared heat therapy lamp needs to irradiate in support sliding slot, and by control screen controls the work of upper screw shaft motor to adjust the working height of driving frame, then A road massage air bag and B road massage air bag can be driven by two air pumps respectively to simulate muscle contraction to user by periodic inflation and deflation, promote lower limb blood circulation, cooperate far infrared heat therapy lamp can be carried out heat therapy, effectively prevent deep vein thrombosis suitable for long-term bedridden patient or postoperative rehabilitation training, the effect of multifunctional integration of lifting device use is improved.

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 discloses an intermittent inflating and pressurizing device for preventing deep venous thrombosis, which comprises an adapting ring, an adapting bracket is arranged at the top end of the adapting ring, the adapting bracket is composed of a plurality of groups of bracket rods, connecting rods are arranged among the bracket rods, a supporting base plate is arranged on one side of the adapting bracket, and a plurality of connecting rods are arranged on the other side of the adapting bracket. A plurality of air bags are arranged on one side of the supporting gasket, the outer side of the adaptive support is sleeved with a flexible pad, the interior of each air bag is divided into a plurality of areas of different sizes, a controller is arranged on the other side of each flexible pad, and an air pump is arranged on one side of each controller; the adaptive ring adopts a combined innovative design of a semicircular supporting ring and a rotatable supporting sheet, the airbag system adopts a composite design of multi-region independent division and honeycomb-shaped soft plastic grids, and a plurality of independent regions divided according to a preset proportion inside are connected with an air pump through independent pipelines, so that differential pressure output of different regions can be realized; and the requirement of precise pressurization treatment is met.

This invention provides a lateral decubitus lower limb embedded positioning device, including a grooved support frame and an air supply tube. The grooved support frame includes a top support plate, a first support side plate, and a second support side plate. The first and second support side plates are connected to the two opposite long sides of the top support plate. The surface of the grooved support frame is covered with memory foam, and the surface of the memory foam is covered with a leather sleeve. The air supply tube is tightly wrapped with the memory foam and the leather sleeve at the corner connection between the inner surface of the top support plate and the first or second support side plate. The wall of the air supply tube has multiple air supply holes, one end of which is a closed end, and the other end is an open end used as an air inlet. The leather sleeve has multiple ventilation holes opposite to the air supply tube. This device can greatly shorten the lateral decubitus positioning time, put the patient in a comfortable and correct surgical position, effectively improve the success rate of surgery, reduce the occurrence of complications, and effectively warm the patient's lower limbs, reducing intraoperative hypothermia and the incidence of deep vein thrombosis.

1. Name of the product in this design: Anti-deep vein thrombosis pump. 2. Purpose of this design: for inflation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

Methods for performing non-invasive thrombolysis with ultrasound using, in some embodiments, one or more ultrasound transducers to focus or place a high intensity ultrasound beam onto a blood clot (thrombus) or other vascular inclusion or occlusion (e.g., clot in the dialysis graft, deep vein thrombosis, superficial vein thrombosis, arterial embolus, bypass graft thrombosis or embolization, pulmonary embolus) which would be ablated (eroded, mechanically fractionated, liquefied, or dissolved) by ultrasound energy. The process can employ one or more mechanisms, such as of cavitational, sonochemical, mechanical fractionation, or thermal processes depending on the acoustic parameters selected. This general process, including the examples of application set forth herein, is henceforth referred to as “Thrombolysis.”

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 utility model discloses a physical therapy device for preventing foot drop and deep venous thrombosis. The physical therapy device comprises a supporting pad, a connecting sleeve and a driving piece. The supporting pad is used for supporting feet of a patient, and a first deformable cavity is formed in the front upper portion of the supporting pad; the connecting sleeve is used for being connected outside the shank and / or the thigh of the patient in a sleeving mode, and a second deformable cavity is formed in the connecting sleeve. According to the physical therapy device, the first deformable cavity and the second deformable cavity are arranged, and the driving piece is adopted to drive the first deformable cavity and the second deformable cavity to continuously and intermittently expand and contract, so that passive foot back stretching and passive intermittent ankle pump movement can be achieved, local muscles of parts such as thighs and shanks can be massaged and stimulated, and the physical therapy effect is improved. The device has the advantages of being simple in structure, convenient to use, capable of promoting blood circulation, particularly capable of simultaneously preventing foot drop and deep venous thrombosis for coma, paralysis and long-term bedridden patients, capable of reducing the occurrence of disuse syndromes of the patients, capable of promoting rehabilitation of the patients and capable of reducing time and physical strength consumed by nursing staff or family members.

The application provides a use of a combination of metoclopramide and latanoprost for preparing an anticoagulant drug, and belongs to the technical field of biological medicines. It is accidentally found that the anticoagulant effect of patients with deep vein thrombosis combined with high intraocular pressure is improved after long-term continuous oral administration of metoclopramide. Thanks to this beneficial discovery, the application realizes good anticoagulant effect by applying the latanoprost liniment in a topical manner on the basis of oral administration of metoclopramide. The application is convenient to administer, has definite and sustained curative effect, and is safe and reliable. The application expands the optional range of anticoagulant drugs, and realizes better curative effect at the same time, and has outstanding technical advantages and wide popularization prospect.

The utility model discloses a leg circumference measuring device for a patient with venous thrombosis between lower limb vein muscles, which comprises a reference sheet with an inward concave structure attached to patella; the fixing band is arranged on the outer edge of the reference sheet and extends in the radial direction of the reference sheet; the hook-and-loop fastener is arranged on the outer side surface of the reference sheet and is bonded with the fixing band after the fixing band encircles the knee bend by a circle; the number of the scaleplates is two, and the two scaleplates are arranged on the upper side and the lower side of the reference sheet respectively and are symmetrical about the fixing band. The number of the measuring scale assemblies is two, and the measuring scale assemblies are arranged at the positions 10 cm and 15 cm away from the two rulers respectively. By means of the scheme, when the leg circumference of a patient is measured, operation can be simplified, and the accuracy of measured values can be effectively guaranteed.

Systems and methods can remove material of interest, including blood clots, from a body region, including but not limited to the circulatory system for the treatment of pulmonary embolism (PE), deep vein thrombosis (DVT), cerebrovascular embolism, and other vascular occlusions.

The invention provides an automatic ankle pump movement ceramic moxibustion lower limb rehabilitation device and a use method. The device comprises a device body, a massage unit, an adjusting switch, a moxibustion unit, a blood oxygen detection unit, a display unit and a timing unit. The ankle pump movement and the ceramic moxibustion are combined, and a brand-new lower limb rehabilitation mode is provided for a patient. A traditional rehabilitation device is single in function and is mainly limited to passive movement of ankle joints, while the rehabilitation device not only realizes automation of ankle pump movement, but also integrates moxibustion therapy, so that blood circulation of lower limbs is more effectively promoted, and formation of deep venous thrombosis is prevented. Besides, through real-time monitoring and analysis of the blood oxygen detection unit, the blood oxygen abnormal condition of the patient can be found in time, the working state of the massage unit is intelligently adjusted according to the abnormal value, and the safety and effectiveness of treatment are ensured. The comprehensive rehabilitation mode not only improves the treatment effect, but also greatly improves the rehabilitation experience of the patient.

In a first aspect, a system for prevention of permanent atrophy and / or deep-vein thrombosis (DVT) edema is presented. The system includes a cuff. The cuff includes a first electrode positioned on a front portion of the cuff. The first electrode is configured to contract a first muscle of a user. The cuff includes a second electrode positioned on a back portion of the cuff, the back portion opposite the front portion. The second electrode is configured to contract a second muscle of a user. The system includes a stimulation unit in electrical communication with the cuff. The stimulation unit includes a controller. The controller is configured to activate the first and second electrodes to simultaneously contract the first muscle of the user while providing a variable resistance to the first muscle of the user through contraction of the second muscle of the user.

SOLUTION: The present invention relates to a rehabilitation system for lower or upper limbs. A limb rehabilitation system comprises an ankle-assist or wrist-assist rehabilitation device (300) and an intermittent pneumatic compression (IPC) device (305). The limb rehabilitation device (300) which is constituted by a soft elongation actuator assembly (410) is operable so as to minimize joint contracture, while the IPC device (305) is operable so as to increase venous blood flow in a patient at risk and contribute to the prevention of deep vein thrombosis and pulmonary embolism. For lower-limb rehabilitation, the rehabilitation device (300) assists dorsiflexion and plantar flexion, as well as eversion or inversion of the ankle, to improve mobility of the ankle of the user.SELECTED DRAWING: Figure 3B