195 results about "Cardiac surgery" patented technology

The invention provides an early-stage automatic identification method and system for acute kidney injury related to cardiac surgery, and relates to the technical field of physiological parameter detection. The method comprises the following steps: acquiring average arterial pressure, cardiac blood discharge volume, central venous pressure and blood oxygen saturation, regularly recording and extracting data of adjacent time points, calculating a variation range, screening a mutation region, judging whether a reference range is exceeded or not, analyzing a multi-parameter synchronous variation condition, and marking a hemodynamics abnormal state. According to the method, abnormal changes of hemodynamics and urine metabolism are accurately recognized through real-time monitoring and multi-parameter analysis, the urine flow rate and the metabolite excretion rate are combined, misjudgment of a single index is avoided, the fineness of renal function change analysis is improved, the high-risk time period is accurately positioned through time cross comparison, the diagnosis accuracy is improved, and the diagnosis accuracy is improved. Trend analysis and risk grade division enable the change of the illness state to be more visual, and a real-time early warning system effectively monitors the fluctuation trend, optimizes clinical management and improves the timeliness of medical response.

The invention discloses a virtual reality-based heart three-dimensional model construction and operation simulation guidance system. The system comprises a heart data acquisition module, a heart simulation module and a virtual operation module. A dynamic heart simulation model is constructed through a multi-modal medical data fusion technology, electro-mechanical two-way coupled heart motion simulation is achieved, and an immersive surgery scene is generated in combination with a virtual surgery interaction mechanism. The data acquisition module integrates electrocardiogram, image and physical data to form a database; the heart simulation module generates a dynamic heart model through time-frequency domain analysis, finite element modeling and a time-space coupling algorithm; and the virtual operation module supports real-time instrument operation feedback and operation effect prediction. The system can assist doctors in preoperative planning, intraoperative guidance and postoperative evaluation, and the accuracy and safety of cardiac surgery are improved.

The invention discloses a sliding type cardiac surgery first-aid device, and relates to the technical field of first-aid devices.The sliding type cardiac surgery first-aid device comprises a clamping plate, a fixing column is fixedly connected to the top position of the clamping plate, a butt joint plate is fixedly connected to the top end of the fixing column, and a handle is fixedly connected to the middle position of the top face of the butt joint plate; a rubber pad is fixedly connected to the inner wall of the clamping plate, a threaded rod is connected to the clamping plate in a threaded mode, a pressing disc is fixedly connected to one end of the threaded rod, an adjusting head is fixedly connected to the other end of the threaded rod, a fixing rod is fixedly connected to one side of the clamping plate, and a containing groove is formed in the surface of the fixing rod. The medical bed is reasonable in structure, the whole clamping plate is fixed to the bed tail of the medical bed, then one end of the fixing rod is fixed through the supporting assembly and the limiting assembly, and finally the bottom plate is moved to a proper position, so that a medical worker kneels in the storage groove in the foam pad with two legs for first-aid measures.

The invention discloses a suture removing auxiliary device for cardiac surgery, and belongs to the technical field of surgical suture removing, the suture removing auxiliary device comprises a fixing device, a suture cutting device and a suture pulling device are arranged on the fixing device, the suture cutting device is used for cutting a suture on the skin, and the suture pulling device is used for pulling the cut suture out of the skin. The fixing device is used for adjusting the positions of the thread trimming device and the thread pulling device; the fixing device can adjust the positions of the thread trimming device and the thread pulling device in the X direction, the Y direction and the Z direction, the thread trimming device and the thread pulling device can reach the surgical site where a thread needs to be removed, and the fixing base is installed on a sickbed and is convenient to use. When the thread cutting device moves, the movable knife and the fixed knife are continuously opened and closed to cut off the surgical thread on the skin, the thread pulling claw is driven to continuously pull out the cut surgical thread when the thread cutting device moves, the whole action is conducted continuously, the automation degree is high, and continuity is good.

The invention discloses a cardiac surgery sternum dilator for preventing rib fracture, which comprises a first distraction arm, a guide plate, a second distraction arm, a distraction plate, a pressure gauge, a brake component and a controller, and is characterized in that the first distraction arm is fixed at one end of the guide plate; the second distraction arm is arranged on the guide plate and can move along the guide plate; guide grooves are formed in the opposite sides of the first distraction arm and the second distraction arm, a distraction plate is inserted into each guide groove, and the distraction plates can move in the length direction and the height direction relative to the guide grooves; the first distraction arm and the second distraction arm are each provided with a pressure gauge in a sliding mode, and the detection ends of the pressure gauges can abut against the corresponding distraction plates. And the brake component is arranged on the second distraction arm. Therefore, the sternum distraction pressure can be detected, braking is carried out when the pressure is too large, and therefore the situation of side injury of rib fracture caused by the too large distraction pressure is avoided, and the discomfort of a patient in the postoperative recovery process is reduced.

The invention belongs to the field of cardiac surgery, and particularly relates to a cardiac surgery preoperative pulmonary complication prediction method which comprises the following steps: data preprocessing including abnormal value processing, missing value processing, feature correlation analysis, data discretization and data standardization, abnormal values and irrelevant data in the case data set are filtered and removed, and interference of the abnormal values on follow-up model learning is avoided; according to the method, data quality and feature validity are guaranteed from the source through a hierarchical progressive data preprocessing process; noise interference to model learning is avoided by filtering abnormal values and irrelevant data; for missing values, differentiation processing is carried out according to the missing rate (features with the missing rate larger than 30% are removed, and features with the missing rate smaller than 30% are filled with median, regression prediction or mode according to variable types), compared with an existing model simple filling mode, data deviation is greatly reduced, and data integrity and reliability are improved.

The invention discloses a cardiac postoperative rehabilitation training device. Comprising a base, a bearing chair arranged on the base and used for bearing a patient, a massage mechanism arranged on the bearing chair, an upper limb lifting exercise mechanism and an upper limb horizontal extension exercise mechanism which are arranged on one side of the bearing chair, and a leg pedaling type exercise mechanism arranged in front of the bearing chair and connected with the base. The bearing chair comprises an angle-adjustable backrest, the backrest is connected with a first driving unit used for controlling the inclination angle of the backrest, by arranging the multiple exercise mechanisms, a patient can conduct comprehensive training of multiple actions, limb blood circulation is effectively promoted, the cardiopulmonary function is increased, and the patient can conduct comprehensive training of multiple actions; the early rehabilitation of the patient after the cardiac surgery is facilitated; various training actions are combined, the body of a patient can be exercised more comprehensively, the situation that the rehabilitation training effect is poor due to the single training action is avoided, and the rehabilitation training effect is improved.

The invention discloses an ultrasonic imaging system and method based on a heart surface, a medium and a product, the system comprises an ultrasonic detection assembly and an imaging terminal which are in communication connection, an ultrasonic transducer is packaged at the head end of an attached ultrasonic probe in the ultrasonic detection assembly, and an acoustic window on the ultrasonic transducer is planar; the ultrasonic transducer is used for being attached to the surface of the heart or the aorta, and the plane of the ultrasonic transducer is parallel to the plane of the acoustic window; and the imaging terminal is used for generating a sound velocity mask pattern according to the reference ultrasonic image, determining echo time delay data according to the sound velocity mask pattern, synthesizing and reconstructing the radio frequency signal data according to the echo time delay data to obtain an ultrasonic image, performing motion compensation on the image sequence, performing multi-modal fusion on the ultrasonic image subjected to motion compensation, and obtaining a final ultrasonic image. The problem of acoustic interference of anatomical structures such as the chest wall and the esophagus in a traditional echocardiography technology is solved, and real-time and high-quality image support is provided for cardiac surgery.

The invention provides a registration method and device in a cardiac surgery and computer equipment, which are used for improving the safety and accuracy of the surgery. The registration method comprises the following steps: acquiring an electrocardiosignal and multi-modal physiological data of a surgical patient, and performing cardiac time phase division on a cardiac cycle based on the electrocardiosignal and the multi-modal physiological data; collecting multi-angle image data of the heart under each cardiac time phase, and synchronously collecting physiological parameter data; performing three-dimensional reconstruction based on the multi-angle image data corresponding to each cardiac time, and mapping the physiological parameter data corresponding to each cardiac time to a corresponding three-dimensional reconstruction result to obtain a multi-temporal three-dimensional heart model library; the method comprises the following steps: acquiring real-time electrocardiosignals and real-time multi-modal physiological data of a surgical patient in a surgical process to identify a current cardiac time phase, selecting a current time phase three-dimensional heart model from a multi-time phase three-dimensional heart model library according to the current cardiac time phase, and performing surgical registration by using the current time phase three-dimensional heart model.

The invention belongs to the field of medical instruments, and particularly relates to an absorbable pace-making wire, which comprises a chest wall penetrating steel needle, a magnesium metal wire, a zinc film coated electrode, a single-strand wire, a coil and a curved needle, the magnesium metal wire is mounted at one end of the chest wall penetrating steel needle, and the zinc film coated electrode is mounted at one end of the magnesium metal wire; one end of the zinc film wrapped electrode is provided with the single-strand wire and the coil, one end of the single-strand wire and one end of the coil are provided with the curved needle, the magnesium metal wire is wrapped by a layer of absorbable material film (such as polycaprolactone material), and the electrode part of the magnesium metal wire in contact with the cardiac muscle is not provided with a polymer coating and is only wrapped by zinc foil. According to the invention, a temporary cardiac pacing effect can be achieved after an operation, and slow degradation and absorption can be gradually realized by a human body in about one year. Complication and secondary operation are avoided, performance is improved by means of innovative materials, electric signal transmission is guaranteed through structure optimization, and a better choice is provided for temporary pacing in cardiac surgery.

The invention discloses an auxiliary rehabilitation device for cardiac surgery nursing in the technical field of medical instruments. The auxiliary rehabilitation device comprises an upper limb training mechanism and a lower limb training mechanism. The lower limb training mechanism comprises a base located at the tail of the bed body, a pair of piston grooves are formed in the side, close to the lower limbs of the patient, of the base, piston columns are arranged in the piston grooves in a sliding fit mode, foot fixing assemblies are arranged at the ends, away from the piston grooves, of the piston columns, and resistance adjusting mechanisms used for adjusting the resistance when the piston columns move communicate with the interiors of the piston grooves. The upper limb training assembly comprises a carrier and a supporting mechanism used for supporting the carrier. A rotating body is rotationally connected to the base. According to the scheme, upper and lower limb cooperative training can be achieved, and rehabilitation efficiency and effect are improved.

The invention is suitable for the field of medical rehabilitation, and provides a cardiac surgery postoperative care management method and system. The system comprises an intelligent monitoring analysis module, a sleep posture optimization module, a secondary acquisition module and a data storage and analysis module, and the cardiac surgery postoperative care management method deeply explores the influence of the sleep posture on wound healing by comprehensively analyzing key indexes such as the scar state, the position deviation and the shape distortion, and shows remarkable advantages. According to the method, the sleep quality and posture of the patient can be monitored in real time, and the actual influence of the sleep posture on scar recovery can be accurately evaluated in combination with the dynamic change of the scar. Through the detailed analysis, the medical staff can obtain precious insights about the recovery process of the patient, so that a more accurate and personalized nursing strategy is formulated.

The invention discloses a wound disinfection device for cardiac surgery nursing, and belongs to the technical field of disinfection equipment. Comprising a vehicle body and a supporting rod, the supporting rod is fixedly connected with the vehicle body, and a disinfection mechanism, a binding mechanism and a power mechanism are connected to the supporting rod; the disinfection mechanism comprises two elastic clamps used for clamping disinfection cotton, a clamping seam is formed in one end of each elastic clamp, the binding mechanism comprises a lifting table, an ointment patch is arranged on the lifting table, and when a patient is bound, the lifting table drives the ointment patch to move to the wound of the patient; the wound of a patient is automatically disinfected and bound through the disinfection mechanism, the binding mechanism and the power mechanism, the structure is simple, and operation is convenient.

The invention discloses a cardiac surgery postoperative care drainage device which comprises a drainage device, a knee joint leg sleeve and an external hanging support, the drainage device is a closed drainage bottle, scales are arranged outside the drainage device, an openable top cover is arranged on the drainage device, a long tube, a short tube and a sealing sleeve are integrated on the top cover, and the sealing sleeve is used for shielding the long tube and the short tube to prevent infection of the long tube and the short tube. The long tube is connected with the cardiothoracic drainage tube; the knee joint leg sleeve is worn at a leg joint of a user and used for restraining a cardiothoracic drainage tube when the user walks, the knee joint leg sleeve comprises a movable support, an upper leg sleeve, a lower leg sleeve and a tube clamp, and the upper leg sleeve and the lower leg sleeve are consistent in structure and connected to the upper end and the lower end of the movable support respectively. The drainage device can be externally hung on the bed frame at the bottom of the sickbed when a user lies in the sickbed so as to keep the drainage bottle stable, and can be worn at the knee joint of the user when the user gets out of the bed and moves, so that the drainage bottle is guaranteed to be lower than the knee, and the drainage device can be used in the bed lying environment and the moving environment of the user.

The utility model discloses a kind of postoperative atrial fibrillation monitoring alarm systems, it is related to the technical field of atrial fibrillation monitoring, and it includes: main control module, detection module, storage module, display module, input-output module and alarm module;Detection module detects the electrocardiosignal, pulse voltage signal and heart sound signal of postoperative patient, sends to main control module;Main control module carries out sampling to electrocardiosignal, pulse voltage signal and heart sound signal, and stores to storage module;According to the instruction of input-output module, the signal after selection sampling is displayed through display module, and the signal stored is selected from storage module and is displayed through display module;Threshold comparison unit of main control module sends signal to alarm module according to heart rate signal, pulse signal, heart sound signal and threshold value, and alarm module sends alarm prompt.The utility model can monitor the sign data of postoperative patient and send alarm, remind medical staff to handle in time, reduce the influence of postoperative atrial fibrillation on patient recovery.

This utility model relates to the field of medical equipment technology and discloses a portable cardiac surgery emergency equipment trolley, including a frame. Electric push rods are rotatably connected to the left and right ends of the front top of the frame. A rotating shaft is rotatably connected to the bottom end of each electric push rod. A rotating cover is rotatably connected to the bottom of the rotating shaft. A rotating column is rotatably connected to the rear side of the rotating cover. The bottom of the rotating column is rotatably connected to the rear side of the top wall of the frame. Bolts are threaded onto the left and right sides of the top wall of the rotating cover. A fixing clip is threaded onto the bottom end of each bolt. A locking groove is formed on the bottom wall of the rotating cover, and the top of the fixing clip engages with the locking groove. In this utility model, the fixing clip can be fixed to the emergency equipment by rotating the rotating cover around the rotating column. The bolts can be rotated to change the fixing clip according to different sizes of emergency equipment, improving the stability of the emergency equipment inside the trolley.

The invention discloses a catheter sheath for cardiac surgery and a using method thereof.The catheter sheath for cardiac surgery is used for feeding in a cardiac surgery electrode wire and is provided with a catheter sheath assembly, the catheter sheath assembly is formed by combining two symmetrically-arranged catheter bases, and the catheter sheath is connected to the lower portion of the spliced catheter base assembly. The catheter sheath assembly, the fixing assembly and the expansion tube are installed, sealing is achieved when the catheter sheath assembly is inserted into a patient body through cooperation of the catheter sheath assembly and the expansion tube, blood is prevented from flowing out, and meanwhile the two separated catheter sheaths abut against the lower closing valves on the outer sides respectively when the catheter sheaths are stripped through the fixing assembly; the position of the opening is limited, the abutting position is the connecting position of the two lower closing flaps, the lower closing flaps cannot be expanded, in this way, the catheter sheath can be withdrawn conveniently, the situation that the expansion tube rebounds is avoided, it is guaranteed that insertion of the catheter sheath cannot be affected when the connecting rod is installed through the damping mechanism, and operation is convenient and fast.

A vest type chest strap for cardiac postoperative fixation comprises a front half chest strap body, a rear half chest strap body and a salt bag, the front half chest strap body comprises a front half chest strap body, and the rear half chest strap body comprises a rear half chest strap body, a left connecting strap, a right connecting strap, a left upper connecting strap and a right upper connecting strap. One ends of the left connecting band, the right connecting band, the left upper connecting band and the right upper connecting band are fixedly connected to the left side, the right side, the left upper side and the right upper side of the rear half chest strap body respectively; the other ends of the left connecting belt, the right connecting belt, the left upper connecting belt and the right upper connecting belt are detachably and fixedly connected with the left side, the right side, the left upper side and the right upper side of the front half chest belt body through hook-and-loop fastener assemblies respectively, the salt bag comprises a salt bag body, and the salt bag body is movably arranged on the right upper connecting belt in a sleeving mode through an installation belt. According to the chest strap, through the design of the blocking cloth, the hook-and-loop fasteners are effectively blocked, accidental adhesion of external articles and the hook-and-loop fasteners is avoided, and therefore the risk that the chest strap or the salt bag moves or falls off due to unexpected movement is reduced.

The application discloses an ultrasonic probe capable of directly reaching into a heart chamber in a heart operation and relates to the technical field of medical devices. The ultrasonic probe comprises a fixing frame arranged around the heart chamber, the fixing frame being connected with the skin of a patient; a telescopic rod being perpendicular to the fixing frame and being connected with the fixing frame through a spherical hinge, the telescopic rod being capable of extending into the heart chamber of the patient; an ultrasonic probe being arranged on the side wall of the end of the telescopic rod away from the fixing frame, the ultrasonic probe being arranged in the circumference of the telescopic rod, and the ultrasonic probe being provided with a plurality of ultrasonic probes; and a camera being arranged at the end of the telescopic rod away from the fixing frame. The length of the ultrasonic probe extending into the heart chamber of the patient can be changed through the arrangement of the telescopic rod, and the different heart chambers of different patients can be detected. The ultrasonic probe can be fixed on the skin of the patient through the arrangement of the fixing frame. The telescopic rod can be rotated according to the different positions of the diseased parts of different patients through the spherical hinge connection between the fixing frame and the telescopic rod, so that the ultrasonic probe can be in a better detection position.

The invention discloses a postoperative monitoring device for cardiac surgery, and belongs to the technical field of cardiac postoperative monitoring devices. Comprising a drainage device, a shaping assembly is arranged on a drainage pipe of the drainage device, the shaping assembly comprises a shaping plate, mounting plates are symmetrically arranged on the two sides of the shaping plate in the width direction, one end of each mounting plate is fixed to the shaping plate, and sliding pipes are arranged on the two mounting plates; the outer wall of the sliding pipe is slidably connected to the other end of the mounting plate, an abutting plate is arranged at the end, facing the middle of the shaping plate, of the sliding pipe, the abutting plate is fixed to the sliding pipe, a fixing plate is arranged at the other end of the sliding pipe and fixed to the outer wall of the end of the sliding pipe, a sliding column is arranged in the sliding pipe, and the outer wall of the sliding column is fixed to the outer wall of the end of the sliding pipe. And one end of the sliding column is slidably connected to the interior of the sliding pipe. According to the technical scheme, the problem that a drainage channel is narrow or blocked due to the fact that a drainage tube is prone to bending deformation when making contact with the edge of a monitoring bed is solved.

The invention discloses a cardiac surgery scheme generation method and device, a medium and equipment. The method comprises the following steps: acquiring continuous multi-frame three-dimensional images of a patient; recognizing a heart region in the continuous multi-frame three-dimensional image; based on the heart areas in the continuous multi-frame three-dimensional images, comprehensively obtaining a heart area image of the patient; identifying a focus area in the heart area image; generating a cardiac surgery scheme according to the focus area; the method comprises the following steps: acquiring continuous multi-frame three-dimensional images, identifying heart areas in the continuous multi-frame three-dimensional images, synthesizing to obtain a heart area image of a patient, identifying a focus area in the heart area image, and determining a heart operation scheme based on related information of the focus area. According to the technical scheme, an excellent cardiac surgery guidance scheme is provided for doctors, so that preoperative work of the doctors can be relieved, unified standard surgical scheme guidance can be provided for the doctors, the success rate of cardiac surgery can be increased, and risks and injuries of cardiac surgery can be reduced.

This application provides a stent placement device for cardiac surgery, comprising a cannula with an inlet end and an outlet end; the cannula is divided into 2-3 cannula branches at the inlet end; the cannula accommodates 2-3 stent delivery catheters; one stent delivery catheter is inserted from each cannula branch; all stent delivery catheters exit from the cannula outlet end; each stent delivery catheter has a guidewire lumen and a stent balloon pressure chamber; a guidewire is disposed in the guidewire lumen; a stent implanter is disposed at the tip of the stent delivery catheter, and an ultrasound positioning ball is sequentially disposed at the tip of the stent delivery catheter. This application utilizes a structure consisting of a flexible cannula and multiple stent delivery catheters to conveniently and simultaneously provide precise stent implantation for multiple blood vessels; by incorporating an ultrasound positioning ball with a corner reflector to enhance ultrasound reflection, the implantation and detailed operation of the device can be more easily completed under ultrasound monitoring.

The present invention relates to heart surgical instruments, in particular to a valve prosthesis device having a segmented tapered structure. The device comprises an outer stent and an inner stent. The outer stent comprises a disc-shaped structure deployed on the atrial side, an annular structure matched with the valve annulus side, and split structures having different tapers and deployed on the ventricular side. Resilient clamping members are distributed on the peripheral side of the outer stent on the basis of original valve leaflets. The inner stent is connected to the interior of the outer stent, and is internally provided with a valve body. The device further comprises barbs or protrusions selectively or integrally distributed on the annular structure of the outer stent, which are used for anchoring a valve prosthesis to the congenital valve annulus of the heart. The disc-shaped structure and the annular structure are of a round structure or a special-shaped structure; and the split structures having different tapers are distributed at 60°-120°. Using the split tapered structure can reduce obstructions of outflow tracts and improve the adaptability of prostheses.

The utility model relates to a biological patch cutter for cardiac surgery, which comprises a first fixing disc and further comprises a limit ring fixed at the top end of the first fixing disc; the cutting mechanism penetrates through the limiting ring, the cutting mechanism comprises a moving rod, the moving rod penetrates through the limiting ring, the bottom of the moving rod penetrates through the first fixing disc, and electric telescopic cylinders are installed at the bottoms of the two sides of the moving rod; according to the cutting device, the positions of the micro motor and the cutting disc can be adjusted through the electric telescopic cylinder, so that cutting of different sizes is achieved, after cutting is completed, the cutting disc can be adjusted to be attached to the inner wall of a cutting face, the cutting disc can be adjusted to be attached to the inner wall of the cutting face, and the cutting efficiency is improved. Due to the fact that the dull polish disc is arranged on one side of the cutting disc, the cutting disc can rotate to drive the dull polish disc to polish the cutting face of the biological avoid, and therefore the cutting face is polished to be smooth, and roughness is removed.

The present invention discloses a sternal spreader for preventing rib fractures in cardiac surgery, comprising a first spreader arm, a guide plate, a second spreader arm, a spreader plate, a pressure gauge, a brake component and a controller, wherein the first spreader arm is fixed to one end of the guide plate; the second spreader arm is arranged on the guide plate and can move along the guide plate; a guide groove is provided on the opposite side of the first spreader arm and the second spreader arm, and a spreader plate is inserted into each guide groove, and the spreader plate can move relative to the length and height direction of the guide groove; a pressure gauge is slidably provided on the first spreader arm and the second spreader arm, and the detection end of the pressure gauge can abut against the corresponding spreader plate; the brake component is provided on the second spreader arm. In this way, the sternal spreader pressure can be detected and braked when the pressure is too high, thereby avoiding the occurrence of secondary injuries such as rib fractures caused by excessive spreader pressure, thereby reducing the patient's discomfort during postoperative recovery.

The invention discloses cardiac postoperative wound nursing equipment, and belongs to the technical field of cardiac intervention postoperative nursing. A connecting and supporting mechanism for supporting and mounting the arm fixing mechanism is mounted on the mounting frame; an arm fixing mechanism for positioning and fixing arms of a patient is mounted on the connecting and supporting mechanism; a locking mechanism used for being connected with a sickbed is installed on the installation frame. The connecting and supporting mechanism comprises a hinging assembly, a limiting assembly and an arm rotating assembly; the number of the limiting assemblies is two. The limiting assembly and the mounting frame are both connected with the hinge assembly; the limiting assembly is connected with the arm rotating assembly; the arm rotating assembly is connected with the arm fixing mechanism. By means of the mode, a patient can freely change the bending degree between the large closed forearms when the arms are fixed, the comfort degree of the patient is improved, and meanwhile blood circulation of the arms of the patient is facilitated.

The invention belongs to the technical field of pipeline fixing devices, and particularly relates to a cardiac surgery extracorporeal circulation pipeline fixing system which comprises a fixing base and a pipeline clamping module located at the top of the fixing base, and the pipeline clamping module comprises a fixing plate. The device is tightly adsorbed to the surface of an operating table through a fixed suction cup, a second supporting seat is automatically leveled through a hydraulic buffer, the second supporting seat is always in a horizontal stable state, and a first clamping block and a second clamping block are controlled to be buckled through a pipeline clamping module by extruding arc-shaped clamping plates on the two sides; a first clamping block and a second clamping block are fixed through rotation of a limiting block, a pipeline is preliminarily fixed, pressure adjusting plates on the two sides are controlled by a pressure adjusting knob to move in the opposite direction, and the clamping force can be finely adjusted according to the factors such as the material and thickness of the pipeline; the problem that the blood flow stability is influenced by the body position change of a patient or the traction of a surgical instrument and other factors of the pipeline fixing device in the surgical process is solved.

The invention discloses a cardiac postoperative rehabilitation training device, and particularly relates to the field of rehabilitation training devices. Comprising a base, and a T-shaped sliding groove is formed in the base; the seat is arranged on the base and located over the sliding groove; a reset spring is connected between each bearing box and the inner wall of the corresponding sliding groove; the plurality of balancing weights are respectively arranged in the two bearing boxes; each treading block is connected into the corresponding sliding groove in a sliding mode, and a fixing ring is further arranged on one side of each treading block; one ends of the two first traction ropes are connected to the corresponding bearing boxes respectively, and the other ends of the two first traction ropes are provided with drag hooks matched with the fixing rings; and each guide wheel is connected with the corresponding first traction rope in a sliding manner. By the adoption of the technical scheme, the problem that an existing rehabilitation training device cannot enable a patient to conduct autonomous adjustment is solved, the patient can conduct rehabilitation training autonomously according to the condition of the patient, and the training effect is improved.

1. The name of the product of this design: Chest and abdominal drainage device (cardiac surgery). 2. Purpose of the product of this design: to drain the fluid accumulated in the abdominal cavity after surgery. 3. The design key point of this appearance design product lies in the combination of shape and color. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. The design for which protection is sought includes color.

The application belongs to the field of heart surgery, and particularly relates to a preoperative lung complication prediction method for heart surgery, which comprises the following steps: data preprocessing, including abnormal value processing, missing value processing, feature correlation analysis, data discretization and data standardization; abnormal value processing, filtering to remove abnormal values and irrelevant data in the case data set, so as to avoid interference of abnormal values on subsequent model learning; missing value processing, in which the application guarantees data quality and feature effectiveness from the source through a hierarchical progressive data preprocessing process: filtering of abnormal values and irrelevant data avoids noise interference on model learning, and missing values are processed differently according to missing rate (features are removed when the missing rate is greater than 30%, and features are filled with median, regression prediction or mode according to variable types when the missing rate is less than 30%), which greatly reduces data bias compared with the existing model simple filling method, and improves data integrity and reliability.