43 results about "Vascular surgery" patented technology

This invention discloses an automatic monitoring method for guidewire movement in vascular interventional robotic surgery, comprising the following steps: S1, extracting the interventional path from preoperative CT angiography images; S2, placing an electromagnetic navigation device in the surgical space, obtaining the coordinate values ​​of the experimental model with electromagnetic sensor markers attached in the magnetic field space and the corresponding coordinate values ​​in the image coordinate space, and obtaining the registration transformation matrix; S3, sequentially attaching 3 to 5 electromagnetic sensors to the front end of the guidewire and pushing the guidewire to the interventional starting point; S4, during the guidewire's movement to the interventional endpoint, using the electromagnetic navigation device to obtain the electromagnetic sensor position P at time t. i,t And obtain the image coordinate space position P` based on the registration transformation matrix. i,t The fitted guidewire tip morphology is fused and displayed in the reconstructed image; S5, monitoring is performed based on the intervention path and the relative positional relationship of the electromagnetic sensors. This invention can locate the movement state of the guidewire in real time and provide early warning of deviation.

The present application relates to the technical field of turning-over auxiliary device, and discloses a turning-over auxiliary device for cardiovascular surgery nursing, which comprises a bed frame, a bed plate, an air pump, a turning-over assembly and a constriction assembly. The bed plate comprises a fixed part and a lifting part. The air pump is provided with multiple output ends, and the output ends are externally provided with control valves. A controller is installed on the surface of the bed frame. The turning-over assembly is connected with the air pump and the controller. The constriction assembly is installed on both sides of the bed plate. The turning-over auxiliary device for cardiovascular surgery nursing is connected with an external medical monitor through the controller, so that the opening and closing of the control valve can be adjusted according to the medical signal output by the monitor. The turning-over assembly works through the opening and closing of the control valve. The silica gel plates of the turning-over assembly are respectively located below the shoulder and hip of the patient. The turning-over assembly automatically changes the lying posture of the postoperative patient, and the turning-over process is soft, the turning-over speed is slow and transition, and the risk of blood pressure fluctuation is reduced.

The utility model discloses a hemostasis assist device for vascular surgery, which relates to the technical field of medical instruments, and comprises a fixing mechanism, a vascular surgery hemostasis mechanism is arranged in the fixing mechanism, the vascular surgery hemostasis mechanism comprises a knob, and the bottom of the knob is fixedly connected with a threaded column. According to the hemostasis mechanism for the vascular surgery department, during hemostasis, the periphery of a wound can be heated through the heating block across the replacement pad, the temperature of the periphery of the wound reaches 37-42 DEG C, activation of platelets can be accelerated to a certain extent at the temperature, energy metabolism of the platelets is accelerated within the temperature range, and the blood circulation is accelerated. The increase of the concentration of calcium ions in the blood platelets is an important signal of platelet activation, and the increased concentration of the calcium ions can promote the activation of glycoprotein receptors on platelet membranes, so that the binding capacity of the blood platelets and fibrinogen is enhanced, the aggregation of the blood platelets is accelerated, and the hemostasis speed is accelerated.

This invention discloses a constraint component adapted to a balloon catheter and a device for performing vascular surgery, belonging to the field of surgical instruments. The constraint component includes a constraint body constructed as a cylindrical sleeve formed of deformable metal wire mesh. The constraint body can expand radially under external force, and its interior is adapted to accommodate the balloon body of the balloon catheter. A connecting portion located at the proximal end of the constraint body detachably connects the constraint body to the balloon catheter. This constraint component is adaptable to and can be combined with ordinary balloon catheters to achieve effects such as cutting, spurring, and constraint on special balloon catheters. The constraint component is reusable.

This invention relates to the technical field of interventional therapeutic devices, and in particular to a vascular surgical interventional fixation device, comprising: a support plate for supporting other components, with a through hole in its center for a puncture needle to pass through; a locking member fixed to the bottom surface of the support plate for fixing the support plate to the patient's body; two adjustment components, respectively disposed on both sides of the through hole; and a fixing frame for fixing the syringe, the fixing frame being mounted on the output ends of the two adjustment components; the adjustment components comprising: a track fixed to the top of the support plate along the length of the through hole; a sliding plate slidably connected to the track, the sliding plate having a fixing shaft fixed thereon; and a bracket fixed to the sliding plate, which is semi-circular and coaxial with the fixing shaft; its structure is simple, and after being fixed to the patient's body, it allows for convenient adjustment of the angle and position of the puncture needle without causing discomfort to the patient, and can fix different types of puncture needles, improving surgical efficiency and safety.

The present application relates to the technical field of medical image processing, in particular to a real-time monitoring and early warning system for the circulation state image of a cardiovascular surgery patient, comprising a video acquisition module, an image preprocessing module, a microcirculation evaluation module, a multi-site perfusion fusion module based on differential manifold, a trend prediction and early warning module, and a clinical interaction and data integration module; the video of the patient's fingernail bed and lips is simultaneously acquired by a high-frame-rate camera, and after preprocessing, the local perfusion index and pulsatility stability index are extracted; innovatively, the multi-site microcirculation signals are mapped onto the differential manifold for representation; through the time-frequency dual-channel fusion driven by Riemann geometry and the attention weighting mechanism, the whole-body perfusion comprehensive index is integrated; and based on the dynamic system modeling on the manifold, early warning can be provided before the conventional blood pressure significantly decreases, valuable time is won for clinical intervention, the non-invasive monitoring method avoids invasive complications, and whole-process continuous monitoring can be realized.

The invention discloses a cardiovascular surgery postoperative auxiliary rehabilitation device which structurally comprises a seat, a placing rod, a bridle, a swing device, a rotating wheel, a pedal and a weight bearing block. When the cardiovascular surgery postoperative auxiliary rehabilitation device is used, a plug is installed on the placing rod and is in butt joint with a swing adjusting part, and a swing rod and the pedal are buckled together in a matched mode under the action of a clamping sleeve; when a patient is rehabilitated, the lower limbs of the patient tread the pedals, meanwhile, the pedals drive the swing rods on the corresponding sides of the pedals to swing up and down through the rotating shafts in the rotating wheels, the upper limbs of the patient can hold the holding rods, the lower limbs which are slightly affected by an operation are actively exercised, and the upper limbs are guided to be exercised; the arms of the patient are exercised while the legs of the patient are exercised, and circulating exercise of the patient and blood circulation of the whole body are facilitated.

The application provides an anastomosis device for blood vessel surgery and belongs to the technical field of medical instruments. The anastomosis device comprises a mounting cylinder, a mounting column arranged in the mounting cylinder, a connecting cylinder fixedly connected to the rear end of the mounting column, a spring sleeved on the connecting cylinder, one end of the spring abutting against the rear end of the mounting column, the other end of the spring abutting against the inner rear wall of the mounting cylinder, a moving column fixedly connected between the mounting column and the connecting cylinder, a holding mechanism arranged at the rear end of the connecting cylinder and used for fixing the moving column, a hand-held mechanism arranged at the bottom of the mounting cylinder and used for driving the connecting cylinder to move, an installation cover fixedly connected to the outer circumferential side wall of the front end of the mounting cylinder, a transmission sleeve arranged in the installation cover, and a transposition mechanism arranged on the installation cover and used for driving the transmission sleeve to rotate. The application can realize synchronous expansion of blood vessels in anastomosis rings, fast fixation of the broken ends of the blood vessels and the needle bodies of the anastomosis rings, and significant shortening of the operation time.

The utility model discloses a pleural effusion suction device for cardiovascular surgery, including base, the base top one side is installed with micro negative pressure pump, the micro negative pressure pump top is installed with U type communication pipe, U type communication pipe one end is installed with effusion collection bottle, the base top other side places and is provided with the limit drag tray, the limit drag tray bottom and base inboard all are provided with magnetic attraction piece, through the collocation setting of U type communication pipe, effusion collection bottle, U type open slot, disposable flow guide pipe, when the effusion in effusion collection bottle is more, can replace empty effusion collection bottle in time, through setting up magnetic attraction piece in limit drag tray bottom and base inboard, when personnel place effusion collection bottle to limit drag tray inboard, it is not easy to pour, through the collocation setting of tail plug, pen barrel type suction head, top cover, connector, outer thread pipe, make disposable flow guide pipe and puncture needle install more stable, and personnel handheld pen barrel type suction head carry out puncture drainage suction liquid more stable.

The invention discloses a postoperative intelligent monitoring and early warning system for vascular surgery, which belongs to the technical field of medical monitoring and comprises a blood vessel multi-dimensional sensing module, a self-adaptive data calibration module, a spatial-temporal feature mining module, an intelligent risk grading module, a multi-modal early warning pushing module, a diagnosis and treatment linkage scheduling module and a postoperative rehabilitation assisting module. By constructing a full-link integrated intelligent system, real-time and multi-dimensional monitoring of the postoperative blood vessel state, scientization and interpretable quantification of risk assessment and collaborative closed-loop management of early warning, diagnosis and treatment and rehabilitation are achieved, the technical blank of precise early warning of postoperative early complications is effectively filled, and the postoperative early complications are accurately warned. The timeliness and accuracy of complication recognition are greatly improved, the allocation efficiency of hospital diagnosis and treatment resources is optimized, data support is provided for customized rehabilitation of patients, the occurrence rate of postoperative complication is reduced on the whole, the rehabilitation cycle of the patients is shortened, and the intelligent level and clinical management quality of vascular surgery postoperative diagnosis and treatment are improved.

The invention discloses a vascular surgery operation navigation image three-dimensional reconstruction processing method, particularly relates to the technical field of medical image navigation, and is used for solving the problem of topological dislocation of internal and external images under stress deformation of a blood vessel in an operation. An initial blood vessel center line is extracted through a preoperative static three-dimensional image, a space skeleton coordinate system is established, an initial mapping reference is formed in combination with a static tube wall grid, a deformed blood vessel center line is extracted according to heterogeneous intraoperative monitoring data, a space displacement vector field is generated, a dynamic tube wall three-dimensional grid is recalculated, and the dynamic tube wall three-dimensional grid is obtained. And mapping two-dimensional intra-cavity tangent plane pixel features to a dynamic inner surface to realize continuous three-dimensional reconstruction and topological alignment of a navigation image.

The invention relates to the technical field of clamping devices, in particular to a vascular surgery vascular clamping device which comprises a mounting frame, first connecting rods are symmetrically and rotationally connected to the two sides of the upper end of the mounting frame, and a mounting plate is rotationally connected to the end, away from the mounting frame, of each first connecting rod. The end, away from the first connecting rod, of each mounting plate is fixedly connected with a clamping rod capable of clamping a blood vessel. Through cooperation of the linkage mechanism and the threaded rod, driving of the mounting plates is achieved. When a threaded rod rotates under the action of a driving mechanism, a rectangular plate rotates, but under the limitation of a second connecting rod, a third connecting rod and a mounting plate, the rectangular plate moves up and down along the threaded rod to drive the second connecting rod and the third connecting rod to move, then the mounting plate moves at a specific angle and force, it is ensured that a clamping rod can stably clamp a blood vessel, and the blood vessel clamping efficiency is improved. The situation that the clamping device is too tight or too loose is effectively avoided, meanwhile, tightness adjustment of the clamping device is facilitated, and the accuracy and safety of surgical operation are improved.

The present application relates to the technical field of medical devices, in particular to a kind of intelligent thrombus accurate removal device for vascular surgery, including shell, catheter and guide wire, catheter is fixedly connected to shell, guide wire is arranged in catheter interior;The end of catheter away from shell is equipped with the rotary cutting component for rotary cutting thrombus and the intercepting component for intercepting thrombus fragment;Shell interior is equipped with the drive component for driving rotary cutting component operation.The shell is also equipped with the extraction component for pumping thrombus fragment and the propulsion component for pushing rotary cutting component to extend;Drive component is used to drive rotary cutting component and extraction component synchronous motion, to realize the rotary cutting and collection of thrombus;Propulsion component is also used to drive intercepting component synchronous folding or unfolding, to unfold intercepting component when rotary cutting component extends;Intercepting component is folded when rotary cutting component is retracted.The present application is used to improve the safety and efficiency of thrombus removal operation.

The invention discloses a vascular surgery artificial intelligence auxiliary case management and diagnosis and treatment support system, the system adopts a five-layer architecture design of a front end layer, a rear end layer, an AI core layer, a data layer and a docking layer, and the layers communicate through standard interfaces to realize high cohesion and low coupling; according to the method, based on the specialized knowledge graph and the optimization large model, the multi-modal data can be automatically integrated to generate the highly structured and personalized initial medical record. A doctor only needs to finely adjust and confirm the key module, and final medical record writing can be completed. The writing time of a single complex medical record (such as an operation record) is greatly shortened to 8-10 minutes from the traditional more than 40 minutes, and the core pain point that a resident doctor cannot concentrate on operation learning and clinical research due to overburden of a document is effectively solved.

The invention provides a conical gradually-changing high-compliance balloon, and relates to the field of interventional vascular surgery. The conical gradually-changing high-compliance balloon comprises a balloon body, one end of the balloon body is communicated with a tube head, the other end of the balloon body is communicated with a sleeve, a conical positioning head is installed at one end of the sleeve in a sliding mode, in the initial state, the tube head vacuumizes the balloon body, a plurality of folding areas distributed in the circumferential direction are formed in the balloon body, and the folding gaps are used for containing chemical agents. According to the conical gradually-changing high-compliance balloon, in the expansion process, when the folding gap and the balloon body are unfolded to achieve synchronous drug release and the folding area is unfolded, chemical agents originally sealed in the gap are gradually extruded out along with separation of the folding face, the release path is consistent with the expansion direction of the balloon, and the balloon expands to push the agents to directly make contact with the lesion blood vessel wall, so that the drug release effect is improved. The problems that a traditional balloon drug is prone to falling off in advance after being coated, and cavity filling and releasing are lagged are solved.

A robotic surgical method for repair of an infrarenal aortic aneurysm with an aneurysm sac in an aorta of a patient includes introducing at least one arm and a camera of a robotic surgical system into designated ports of the patient. Then, a graft is attached to a proximal wall of the aorta. The aneurysm sac is decompressed by inflating an intravascular balloon and initiating flow in an arteriovenous circuit. Anterior posterior walls of the aneurysm sac are stapled and the robotic incisions are closed. A method for inserting a conduit includes deploying an intimal umbrella, partially expanding an expandable graft, deploying an adventitial umbrella, and fully inflating the expandable stent.

The invention relates to the technical field of turning-over assisting devices, and particularly discloses a turning-over assisting device for cardiovascular surgery nursing. The bed board comprises a fixed part and a lifting part; the air pump is provided with a plurality of output ends, control valves are installed on the outer sides of the output ends, the controller is installed on the surface of the bed frame, the turning-over assembly is connected with the air pump, the turning-over assembly is connected with the controller, and the collecting assembly is installed on the two sides of the bed plate. The controller is connected with an external medical monitor, so that opening and closing of the control valve can be adjusted according to medical signals output by the monitor, the turning-over assembly works through opening and closing of the control valve, silica gel plates of the turning-over assembly are located below the shoulders, the back and the buttocks of a patient respectively, and the turning-over assembly automatically changes the lying posture of the postoperative patient. The turning-over process is soft, the turning-over speed is slowly transited, and the blood pressure fluctuation risk is reduced.

The utility model discloses a kind of vascular surgery medical care wrist strap, including wrist strap body, the both ends of wrist strap body are detachably connected, the center of wrist strap body is detachably connected with blood flow monitoring component, the blood flow monitoring component includes at least 2 PPG sensors and pressure buffer pad of symmetrical distribution, the pressure buffer pad is arranged at the bottom end of PPG sensor, the PPG sensor is adhered to skin by pressure buffer pad by buffer pad but does not compress blood vessel. The utility model is combined with wrist strap body, at least 2 PPG sensors and pressure buffer pad and the like structure of symmetrical distribution, avoid the compression of traditional finger clamp type probe to blood vessel, ensure that blood flow signal is real and reliable, and the detection of the above-mentioned blood flow signal can help medical staff to judge whether patient has thrombosis risk in time. The structure of pressure buffer pad is arranged, can avoid PPG sensor to compress patient skin when using, increase the comfort degree of medical care wrist strap in long-term wearing process.

The invention discloses an intraoperative dynamic tracking segmentation method for head and neck blood vessels, which relates to a blood vessel segmentation technology and comprises the following steps: constructing a special segmentation data set for oral and maxillofacial surgery, and preprocessing; annotation and quality control are carried out on images in the preprocessed data set; constructing an improved blood vessel recognition model, and performing model training on the improved blood vessel recognition model; and inputting the marked and quality-controlled image into the trained improved blood vessel recognition model, and carrying out online reasoning and result output to realize dynamic tracking segmentation in the head and neck blood vessel operation. According to the method, the problems of dynamic memory deficiency, insufficient domain specificity and unbalanced computing power and precision of the existing method are solved.

The invention discloses a thrombus suction and storage device for vascular surgery, and relates to the technical field of medical instruments, the thrombus suction and storage device comprises a handheld control gun, and further comprises a driving mechanism, a stirring mechanism, a liquid injection mechanism and a recovery and storage mechanism, the stirring mechanism comprises a catheter and a stirring head, and the catheter is arranged in the middle of the front end of a driving box; the stirring head is arranged at the bottom end of the guide pipe, the recycling and storing mechanism comprises a storage bottle, and the storage bottle is arranged below the handheld control gun. The stirring head is conveyed to the thrombus blockage position through the catheter, the medical rotating wire rotates to stir the thrombus, the stirred thrombus is sucked into the storage bottle through the recycling pipe and the second connecting pipe in combination with the negative pressure of the storage bottle, dredging and suction are conducted synchronously, incomplete suction is avoided, meanwhile, liquid medicine is released to the thrombus position through the liquid injection pipe, and re-coagulation is restrained; and the liquid medicine bin continuously maintains negative pressure to ensure that thrombus is continuously sucked in, so that the problem that the thrombus easily blocks the catheter is solved, and the working efficiency of thrombus suction is improved.

The vascular anastomosis device comprises a positioning column, a sliding groove is formed in the outer wall of the top of the positioning column, two sliding blocks are slidably connected to the inner wall of the sliding groove, supporting columns are fixedly arranged on the outer walls of the tops of the two sliding blocks, a first semi-arc-shaped positioning plate is fixedly arranged at one ends of the tops of the two supporting columns, and a second semi-arc-shaped positioning plate is fixedly arranged at the other ends of the tops of the two supporting columns. And one side of the top of the first semi-arc-shaped positioning plate is movably connected with a second semi-arc-shaped positioning plate through a rotating shaft. A blood vessel anastomosis end is clamped on the inner wall of an arc-shaped silica gel air bag through a first semi-arc-shaped positioning plate and a second semi-arc-shaped positioning plate, a sucking pump is started to form negative pressure in a negative pressure tank, air is transmitted to the arc-shaped silica gel air bag through a corrugated pipe, an air transfer pipe and an air guide hose, and adsorption holes in the inner wall of the arc-shaped silica gel air bag generate an adsorption effect; by means of the adsorption mode, pressure can be effectively dispersed, damage to the blood vessel caused by too large local pressure is avoided, and meanwhile the situation that the anastomosis end of the blood vessel collapses inwards due to support loss is prevented.

A robotic surgical method for repairing a subrenal aortic aneurysm having an aneurysm sac in an aorta of a patient includes introducing at least one arm of a robotic surgical system and a camera into a specified portal of the patient. A graft is then attached to the proximal wall of the aorta. The aneurysm balloon is decompressed by inflating the intravascular balloon and inducing flow in the arteriovenous circuit. The anterior and posterior walls of the aneurysm sac are stapled and the robotic incision is closed. A method for inserting a tube includes deploying an intimal umbrella, partially expanding an expandable graft, deploying an outer membrane umbrella, and fully inflating the expandable stent.

The utility model belongs to the technical field of medical instruments, and particularly relates to a multifunctional infusion support for vascular surgery nursing, which comprises a base, a support, a hanger and a tray, the support is mounted at the top of the base, the hanger is connected to the top of the support, and the tray is connected to the middle of the support; a transverse rod is arranged on one side of the support, a rotating shaft is connected to the end of the transverse rod, a first bearing is installed on the surface of the rotating shaft and embedded in the side surface of a fixed clamping plate, a movable clamping plate is arranged on one side of the fixed clamping plate, a sliding groove is formed in the surface of the movable clamping plate, and a sliding rail is connected to the side surface, close to the sliding groove, of the fixed clamping plate. After the fixed clamping plate and the movable clamping plate are connected to the two sides of the sickbed rod body in a sleeving mode, the first screw rod is rotated, the first screw rod drives the movable clamping plate to move transversely through the first inner threaded pipe when rotating, in this way, the distance between the movable clamping plate and the fixed clamping plate can be adjusted, and therefore the movable clamping plate and the fixed clamping plate can be fixed to the surface of the sickbed rod body; therefore, the position of the infusion support can be fixed.

The invention discloses an anti-embolism and anti-scouring medical hemostatic material, and relates to the technical field of medical supplies. According to the invention, the nano material in the components provides an ultra-large specific surface area, so that the blood coagulation factor XII can be instantly activated, and the fastest endogenous blood coagulation pathway in the human body can be directly started; various ions such as calcium and magnesium which are synergistically released jointly strengthen the blood coagulation cascade reaction and the blood clot strength, active, rapid and multi-target hemostasis of a biochemical mechanism is realized, and the effect is far better than that of a traditional material depending on physical adsorption; efficient hemostatic components are firmly loaded on the microspheres with the particle size larger than 100 micrometers through an original technology, the outer layer is covered with a layer of membranoid matter with the surface gap being 2-3 micrometers, and the risk that particles enter blood circulation through blood vessel crevasses is fundamentally eradicated from the physical size; the product is instantly hydrated and adhered on the wound surface to form a firm blood scab-microsphere composite barrier. The product is instantly hydrated and adhered on the wound surface to form a firm blood scab-microsphere composite barrier. The barrier can effectively resist impact of arterial blood pressure and is not prone to being washed off, and therefore the barrier is excellent in performance in high-pressure jet bleeding scenes of cardiac surgery, vascular surgery and the like.

The utility model discloses a blood vessel surgery thrombus suction device which comprises a thrombus suction system, the thrombus suction system is connected with a suction pipeline, the suction pipeline comprises an inner pipeline, the outer side of the inner pipeline is sleeved with a metal net pipe, the outer side of the metal net pipe is wrapped with an outer pipeline, and the inner pipeline and the outer pipeline are communicated with each other. The tail end of the metal net tube is fixedly connected with an anti-falling structure, the anti-falling structure comprises a plurality of metal wires welded to the tail end of the metal net tube, and a metal wire ring is jointly welded to the ends, away from the metal net tube, of the metal wires. Especially when large and hard thrombus cannot enter the suction pipeline, the thrombus is taken out by sucking the student into the anti-falling knot and pulling out the suction blood vessel, and the structure formed by the inclined metal wire or the bent part can prevent the student from falling off in the traction process, so that the reliability of thrombus suction is ensured.

This utility model relates to the field of cardiothoracic and vascular surgical nursing devices, and more particularly to a limb fixation device, including a female hook and loop fastener, a curved plate, a base plate, casters, a fixed shell, a moving component, and a height component. The base plate is located below the curved plate. The casters are detachably connected to the base plate and located below it. The fixed shell is fixedly connected to the base plate and located above it. The moving component is located inside the fixed shell, and the height component is located inside the base plate. The casters below the base plate facilitate the overall movement of the limb fixation device. The fixed shell fixes the moving component and the height component above the base plate. By controlling the height component, the moving component and the curved plate can be moved up and down, thereby adjusting the height of the patient's leg. By controlling the moving component, the curved plate can be moved laterally and longitudinally, thereby adjusting the lateral and longitudinal position of the patient's leg.

A method and system provide an end-to-side anastomosis graft via percutaneous access for cardiac and vascular surgeries. The system includes a vascular graft configured for stable placement within a vessel, a sheath for long-term maintenance and use of the graft, and a closure device configured for secure ligation and transection of the graft when no longer in use. The system facilitates the use of extracorporeal life support devices and other cardiac interventions, reducing the need for open surgical exposure and allowing use by non-surgeons, such as interventional cardiologists.

The utility model relates to the technical field of rehabilitation training related equipment, and discloses a varicosity rehabilitation training device for vascular surgery, which comprises a chair body, supporting plates extending to the front side are arranged on the left side wall and the right side wall of the chair body, a rod body is connected between the supporting plates, the side walls of the two ends of the rod body are fixedly sleeved with second supporting plates, and a motor in transmission connection with the rod body is fixedly arranged on the side wall, away from the chair body, of one supporting plate. A plurality of third supporting plates are connected between the second supporting plates, left-right opposite hook-and-loop fastener bristles are arranged on the front sides of the third supporting plates, two massage belts are arranged on the front sides of the third supporting plates, and hook-and-loop fastener bristles matched with the hook-and-loop fastener bristles are arranged on the side walls, close to the third supporting plates, of the massage belts. Compared with the prior art, the leg massager has the advantages that the massage effect is good, legs can be bent and moved, and the rehabilitation effect is fast.

The present disclosure relates to vascular models, uses thereof and methods for simulating vascular surgery techniques, particularly endovascular surgery techniques.

The utility model discloses a varicose vein rehabilitation training device for blood vessel surgery relates to training equipment technical field, including main part, installation frame, massage piece and support spring, one side of main part is provided with installation frame symmetry, the inside rotation of installation frame is connected with massage piece, the utility model discloses be provided with adjusting mechanism and governing mechanism, because the mounting bracket is linked with the rotating plate through the connecting plate, and the mounting bracket is slidably connected with the main part through the movable slot, so that in the process of rotating the handle, rotating shaft and rotating plate, the connecting plate can drive the mounting bracket to move horizontally, thereby realizing the adjustment of the spacing between the two installation frames, and the hinged frame is horizontally moved and the support spring is kept in the required state by rotating the threaded rod, so as to be adapted to the installation frame after adjustment, so that the training device can be suitable for people of different body types, and the adaptability is improved.