98 results about "Vascular surgery" patented technology

The invention relates to the technical field of vascular surgery, in particular to a vascular surgery interventional intracavity treatment postoperative complication prediction and management system which integrates data acquisition, processing, model training, prediction analysis, comprehensive decision and early warning management and is specially designed for vascular surgery interventional intracavity treatment. The system monitors the postoperative physiological indexes of a patient in real time through multiple sensors, combines clinical data and disease history, carries out physiological sequence prediction and image analysis by utilizing RNN and CNN models, and accurately evaluates the risk of complications. The comprehensive decision-making module generates a personalized management scheme, and the early warning management module monitors in real time and pushes early warning and suggestions in time when abnormity occurs. The system not only improves the prediction accuracy and the management effect, but also optimizes the medical resource configuration, enhances the patient experience, contributes to the development of precise medical treatment and intelligent management, and effectively solves the key problem of postoperative complication prediction and management.

The invention relates to the technical field of medical instruments, and discloses a vascular surgery clinical thrombolysis catheter fixing device which comprises a single-cavity tube, a fixing mechanism arranged at the top of the single-cavity tube and a clamping mechanism arranged on the outer side of the fixing mechanism. The fixing mechanism is used for fixing the skin of a patient and the top end of the single-cavity tube, and the clamping mechanism is used for fixing the tail end of the guide wire; the fixing mechanism comprises a connector arranged at the top of the single-cavity pipe, a sliding groove formed in the middle of the connector, two sliding blocks symmetrically arranged on the two sides of the sliding groove, telescopic units arranged at the bottoms of the sliding blocks and used for transmitting the acting force of the sliding blocks, a connecting plate arranged at the bottom of the sliding groove and two tension springs symmetrically arranged on the two sides of the connecting plate. By arranging the fixing mechanism, the device can be adjusted to adapt to the body surface so as to adapt to the joint, the neck or the groin and other areas, the fixing device can restrain the tail end of the guide wire, and axial sliding or radial deflection of the guide wire caused by external force interference is avoided.

The invention discloses a vascular surgery image intelligent optimization method, and relates to the field of medical image intelligent processing. According to the technical scheme, the method comprises the following steps: collecting original image data according to a vascular surgical image, extracting image features through a deep convolutional neural network CNN, constructing an angiography lesion sensitivity map, generating a sensitivity initial weight map by using the sensitivity map, and constructing a vascular structure topological map based on the initial weight map; and carrying out sensitivity propagation and correction by adopting a graph neural network to obtain a corrected sensitivity weight graph, and carrying out local adaptive image enhancement processing according to the corrected sensitivity weight graph to obtain an intelligently optimized image. The problem that a lesion area is not prone to protruding in angiography is solved, and the diagnosis accuracy is improved.

The invention relates to the technical field of medical image processing, in particular to a cardiovascular surgery patient circulation state image real-time monitoring and early warning system. Comprising a video acquisition module, an image preprocessing module, a microcirculation evaluation module, a multi-part perfusion fusion module based on differential manifold, a trend prediction and early warning module and a clinical interaction and data integration module. A local perfusion index and a pulsation stability index are extracted after preprocessing, multi-part microcirculation signals are creatively mapped to a differential manifold for characterization, time-frequency dual-channel fusion driven by Riemannian geometry and an attention weighting mechanism are integrated into a whole-body perfusion comprehensive index, modeling is carried out based on a dynamic system on the manifold, and a whole-body perfusion model is established. Early warning can be provided before the conventional blood pressure is obviously reduced, precious time is gained for clinical intervention, invasive complications are avoided through a non-invasive monitoring mode, and whole-course continuous monitoring can be achieved.

The utility model discloses a micro catheter with a deflection regulation and control function for a minimally invasive blood vessel, which relates to the technical field of medical instruments, comprises a catheter body made of high-elasticity materials, and is characterized in that the wall thickness of the catheter body is asymmetrical, namely one side wall is thicker, and the other side wall is thinner; the pipeline is arranged in the pipe body and is used for allowing the micro guide wire to pass through; according to the utility model, the deflection control device is arranged, so that the front end of the micro-catheter is accurately controlled and guided, the device utilizes the wall thickness micro-catheter with the asymmetrical catheter body to generate asymmetrical pressure through fluid injection under the driving of the injector, and the deflection of the micro-catheter can be realized. According to the design, the accuracy and the safety of an operation are improved, the position and the direction of the micro-catheter can be flexibly adjusted according to the requirement of the operation, and the operation of a doctor in the minimally invasive vascular operation is greatly facilitated.

The invention provides a drug sustained release preparation for inhibiting vascular intimal hyperplasia and a preparation method and application thereof, and belongs to the technical field of biological medicine and vascular surgery. The drug sustained release preparation for inhibiting vascular intimal hyperplasia comprises a temperature-sensitive high polymer material and an MRTF / SRF pathway inhibitor, the temperature-sensitive high polymer material is a Pluronic type triblock copolymer; and the effective component of the MRTF / SRF pathway inhibitor is CCG222740 or CCG203971. The invention further discloses a preparation method of the MRTF / SRF pathway inhibitor. The drug sustained release preparation for inhibiting the vascular intimal hyperplasia can continuously release the MRTF / SRF pathway inhibitor at a fixed point in the AVF and other vascular injury repair process, can reduce at least 50% of neointimal area and vascular intimal-intimal thickness, and effectively inhibits the intimal hyperplasia.

The utility model discloses a femoral artery puncture sandbag compression fixing device for vascular surgery, which particularly belongs to the field of medical instruments and comprises a fixing waistband, and an auxiliary compression mechanism is embedded in the fixing waistband. By arranging the auxiliary compression mechanism, the compression effect on the femoral artery of a patient is improved, the fixing waistband surrounds the waist of the patient, the fixing band penetrates through one side of the fixing waistband, the tail end of the fixing band is opposite to the other side of the fixing waistband, and the second buckle and the first buckle are aligned and buckled; the position of the fixing band is adjusted according to the position of a femoral artery puncture point of a patient, the movable block is pulled to enable the fixing bag to move along the fixing band until the fixing bag is aligned with the femoral artery puncture point, the compression sandbag can continuously and stably compress the puncture point by adjusting the position of the movable block, and the limiting buckle is embedded into the movable block for limiting, so that the puncture point can be compressed stably. The compression sandbag can be flexibly adjusted according to the figure of a patient and the specific position of a puncture point, and the adaptability of the device is improved.

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.

The invention belongs to the technical field of medical catheter devices, and particularly relates to a medical catheter device for vascular surgery, which comprises a catheter body and a guide wire joint, a head sleeve and a forward ultrasonic probe assembly are fixedly mounted between the catheter body and the guide wire joint, and an annular ultrasonic probe structure is fixedly mounted in the head sleeve. The movable probe moves outwards in the arc-shaped open groove, at the moment, the movable probe of the cap can conduct ultrasonic imaging on the forward position facing the guide wire connector, then the structure and form information of the lesion are judged, follow-up treatment is facilitated, the movable probe is ejected outwards, and at the moment, the position of the catheter is fixed; the problem that the movable probe scratches the interior of a blood vessel is avoided, the movable probe which is slightly ejected out can carry out forward ultrasonic imaging and cannot jack the interior of the blood vessel, and after the shape and the structure of a lesion are observed, the movable probe retracts into the arc-shaped open groove, and retraction of the catheter body is not affected.

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 invention discloses a blood collection tube storage device for vascular surgery, and relates to the technical field of medical equipment, the blood collection tube storage device comprises a storage disc, at least one placement hole vertically penetrating through the storage disc is formed in the storage disc, an elastic sleeve is arranged in the placement hole, and the inner ring of the elastic sleeve is made of a water absorption film; the elastic sleeve is filled with a plastic filler of which the volume is reduced when the elastic sleeve is wet; the storage container is inserted into the elastic sleeve, the storage container is provided with a containing cavity for containing a blood collection tube, a capillary tube is vertically arranged on the wall face of the storage container, one end of the capillary tube is arranged close to the bottom of the containing cavity, and the other end of the capillary tube extends upwards to the outer portion of the storage container and is attached to the water absorption film; when blood in the blood collection tube leaks, the plastic filler is wetted and contracted so as to enlarge the gap between the elastic sleeve and the storage container. Blood leakage can be perceived in time, the fixing state of the storage container is changed, a foundation is provided for follow-up treatment of leaked blood collection tubes, and the risk of cross contamination is reduced.

The utility model relates to the technical field of varicosity rehabilitation training, and discloses a varicosity rehabilitation training device for vascular surgery, which comprises a rehabilitation mechanism, an adjusting mechanism and a main body mechanism, the rehabilitation mechanism is positioned on the outer wall of the adjusting mechanism, and the adjusting mechanism is positioned on the upper surface of the main body mechanism; the rehabilitation mechanism comprises a training support, one end of the training support is fixedly connected with a sliding block, the inner wall of the sliding block is slidably connected with a sliding rod, the upper surface of the sliding rod is provided with a first positioning hole, and the inner wall of the first positioning hole is in threaded connection with a first fixing bolt. The training support is fixedly connected with the sliding block, the sliding block is connected with the sliding rod in a sliding mode, when a patient with varicosity conducts rehabilitation training, the device is driven to move by lifting shanks, blood circulation of the legs can be accelerated, recovery of the varicosity is facilitated, the first fixing bolts are matched with the first positioning holes in different positions, and the device is convenient to use. Therefore, the position of the training support can be adjusted to increase the flexibility of equipment.

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 medical cardiovascular surgery nursing turning-over auxiliary device which comprises a nursing bed and further comprises a transverse protection rod arranged on the nursing bed and provided with a limiting part. The ring sleeve is arranged on the transverse protection rod, and a protruding part which is matched with the limiting part in an abutting mode is arranged on the ring sleeve; and a back plate is arranged on the ring sleeve. According to the medical turn-over auxiliary device for cardiovascular surgery nursing, the transverse protection rod is placed between the two guide parts, the ring sleeve is rotated towards one side of the back of a patient, in the rotating process of the ring sleeve, when the rotating stroke of the protruding part on the ring sleeve is ended, the protruding part can abut against and be matched with the limiting part so that the protruding part can be in a horizontal state, and the patient can turn over conveniently. At the moment, the back plate is in a vertical state, the back plate is attached to the back of the patient, the back of the patient is limited and supported, the back of the patient is supported and limited through the back plate when the patient lies on one side, the patient is assisted in lying on one side, and the patient can conveniently keep a long-time lying posture on one side.

The invention relates to the technical field of cardiovascular surgery, and discloses an artificial blood vessel detection method for cardiovascular surgery, and the method comprises the steps: carrying out the edge detection and image segmentation of a multi-angle blood vessel image of an artificial blood vessel, obtaining a target blood vessel image, recognizing the blood vessel feature point pair of the target blood vessel image, and constructing a three-dimensional model of the artificial blood vessel. According to the three-dimensional model, key features of the artificial blood vessel are extracted for finite element analysis, so that the physical performance of the artificial blood vessel is recognized, the blood vessel material of the artificial blood vessel is extracted, chemical performance detection is conducted, the functional performance of the artificial blood vessel in actual use is analyzed, and the long-term stability of the artificial blood vessel is evaluated. And detecting the artificial blood vessel by combining a finite element analysis result, the three-dimensional model and long-term stability to obtain a detection result. The accuracy of an artificial blood vessel detection result can be improved.

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 varicosity postoperative recovery stent for vascular surgery, and belongs to the technical field of medical instruments. The varicosity postoperative recovery stent for the vascular surgery comprises a stent body and further comprises a reciprocating driving assembly arranged on the stent body, and the driving end of the reciprocating driving assembly vertically moves in a reciprocating mode; the shank sheath is used for wrapping the shanks of the patient, meanwhile, the exterior of the shank sheath is fixedly connected with the driving end of the reciprocating driving assembly and used for driving the legs to move up and down around the buttocks, and meanwhile knee joints are adaptively bent to promote blood circulation. According to the varicosity postoperative recovery support for the vascular surgery department, the problem that too much physical strength and energy of an accompanying person are consumed due to the fact that the accompanying person needs to manually press the legs of a patient for a long time is solved, the legs of the patient can be moved for a long time, and the recovery efficiency of the patient is improved.

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 invention relates to the technical field of medical equipment, in particular to a pump device for cardiovascular surgery, which comprises a pump assembly for conveying blood, an adjusting assembly for adjusting the flow rate of the blood and a portable assembly for carrying and wearing the device; the pump assembly comprises a shell and a controller, a driving part is fixedly connected to the inner side wall of the shell, a rotating disc is coaxially and fixedly connected to an output shaft of the driving part, and a sliding plate is in sliding fit with the rotating disc in the circumferential direction; limiting rods are hinged to the side walls of the sliding plates; an eccentric groove allowing the limiting rod to slide is formed in the inner side wall of the shell; the inner bottom wall of the shell is fixedly connected with a trapezoidal sealing table; the structure is complete, and the blood conveying safety can be effectively improved.

The utility model discloses a hemostasis assist device for vascular surgery, and relates to the technical field of medical tools. The hemostasis assist device for the vascular surgery department comprises an elastic top plate, a binding belt is fixedly connected to the edge of the outer surface of the elastic top plate, a winding drum is arranged at the end, away from the elastic top plate, of the binding belt, a motor is fixedly connected to the end of the winding drum, a winding shaft is fixedly connected to an output shaft of the motor, and a limiting plate is fixedly connected to the outer surface of the winding drum. A fixed rod is fixedly connected to the outer surface of the limiting plate, a movable sleeve is arranged at the top of the fixed rod, a connecting plate is fixedly connected to the top end of the fixed rod, a first spring is fixedly connected to the upper surface of the connecting plate, a fixed seat is fixedly connected to the side of the upper surface of the elastic top plate, and an internal slot is formed in the fixed seat; the whole device is easy and convenient to mount and dismount, rapid to operate and more accurate in pressure application, manpower is saved, and the hemostasis effect is improved.

The utility model provides a varicosity rehabilitation training device capable of being installed on a sickbed, and belongs to the technical field of vascular surgical instruments. Comprising two clamping pieces capable of being clamped on guardrails of a sickbed, a pull rod connected between the two clamping pieces and two training units connected to the pull rod in a sliding mode, each training unit comprises a mounting base connected to the pull rod in a sliding mode, a guide wheel rotationally connected to the mounting base and a traction rope, and a hand ring is fixedly arranged at one end of the traction rope; a supporting hook is fixedly arranged at the other end of the traction rope, and a buffer spring arranged on the traction rope in a sleeving mode is connected between the supporting hook and the installation base. The device has the advantages of simplicity in operation and the like.

The invention relates to the technical field of angiography, in particular to an intelligent pressing device for angiography in the cardiovascular surgery department, and solves the problems that an existing pressing device for angiography in the cardiovascular surgery department generally carries out hemostasis operation after a catheter is pulled out, and the hemostasis timeliness is low; and the pressing device for angiocardiography in the cardiovascular surgery cannot apply downward pressure of corresponding magnitude according to different patients, and the hemostasis efficiency of the device is poor. Comprising an arm placing table, and an anti-extubation bleeding type high-adaptability pressing device is installed on the upper end face of the arm placing table. Before the catheter is pulled out, the gauze is attached to the puncture opening, and when the catheter is completely pulled out and the downward pressure is increased, the bleeding risk at the moment of catheter pulling can be effectively reduced, meanwhile, an alginate solution can be automatically sprayed on the outer surface of the gauze through the healing accelerating mechanism before pressing operation is conducted, and the healing speed is increased. Therefore, the time required by the single pressing operation of the equipment is shortened.

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.