44results about How to "Reduce complication rate" patented technology

The invention provides a heart multi-mode digital twinning simulation method and system, electronic equipment and a medium, and belongs to the technical field of digital twinning. The method comprises the following steps: S1, collecting multi-modal data of a heart; s2, preprocessing the acquired multi-modal data to obtain heart digital data; s3, based on the heart digital data, constructing a multi-modal digital twinborn model of the heart and optimizing the multi-modal digital twinborn model; s4, performing real-time simulation on the electrophysiological activity of the heart by using the optimized multi-modal digital twin model and using a Runge-Kutta method in combination with a PSO (Particle Swarm Optimization) algorithm; s5, based on the optimized multi-mode digital twinborn model and the simulation result, simulation and planning of virtual cardiac surgical treatment are carried out; and S6, dynamically evaluating the multi-modal digital twin model, and monitoring the state change of the heart in real time. According to the heart multi-mode digital twinborn simulation method and system, the electronic equipment and the medium, efficient simulation and real-time monitoring of the heart state can be achieved.

The invention discloses an intestinal anastomotic stoma protection device and a use method thereof, belongs to the technical field of medical instruments, and solves the problems that in the prior art, an air bag can slide out of a supporting tube in the use process, and the supporting tube cannot be synchronously disintegrated. The device comprises a support tube fixed in an intestinal tract at the front end of an anastomotic stoma, a blocking mechanism arranged in the support tube and used for blocking the circulation of intestinal content and preventing the intestinal content from flowing through the inner wall of the support tube, and a limiting mechanism arranged on the inner wall of the support tube and used for preventing the blocking mechanism from sliding, the disintegration mechanisms are respectively arranged at two ends of the supporting pipe and are used for synchronously disintegrating the supporting pipe and the limiting mechanism. The limiting mechanism is arranged on the inner wall of the supporting tube, the limiting mechanism abuts against one end of the blocking mechanism, the blocking mechanism is prevented from slipping off in the using process, and the situation that contents are left in the intestinal tract through the anastomotic stoma and the supporting tube to be disintegrated automatically is avoided, the disintegration mechanism is arranged on the supporting tube, and the disintegration mechanism can facilitate synchronous disintegration of other parts of the protection device.

The invention relates to a dilator and a vascular sheath, which can solve the pain points such as blood leakage of a puncture point and occurrence of pseudoaneurysm clinically. The dilator comprises a head, a driving mechanism, a suturing mechanism, an electromagnetic mechanism and a sleeve. The driving mechanism comprises an operating part, a connecting rod and an opening-closing assembly, the near end of the connecting rod is connected with the operating part, the far end of the connecting rod is connected with the opening-closing assembly, and when the operating part moves relative to the head, the opening-closing assembly is unfolded or folded; the suturing mechanism is arranged on the opening and closing assembly and comprises a plurality of needle grooves and suturing needles; the sleeve comprises an outer tube and a catheter, the connecting rod is sleeved with the outer tube, the near end of the outer tube is connected with the head, the catheter penetrates through the connecting rod, and the near end of the catheter is connected with the head; the electromagnetic mechanism is arranged on the head part and comprises an electromagnetic control circuit with a control switch and an electromagnetic chuck, and the electromagnetic control circuit is used for enabling the electromagnetic chuck to generate magnetism; when the opening and closing assembly is in an unfolded state, an opening of the needle groove faces the electromagnetic chuck, and the suture needle is located at the position where the suture needle can be attracted by the electromagnetic chuck.

The invention relates to the technical field of teaching and training models, and particularly discloses a vascular intervention teaching and training model, which comprises a teaching model main body, a blood vessel model is also included; the triggering assembly is located on the outer side of the blood vessel model; according to the vascular intervention teaching and training model, the impact force of the catheter on the inner wall of the vascular model at different pushing speeds is monitored in real time through the trigger assembly, and the simulation assembly adjusts the inner diameter of the vascular model and the viscosity of flowing liquid in the blood vessel according to the impact force detected by the trigger assembly. By simulating the change of blood in a blood vessel when vasospasm or thrombus is generated, the hand feeling of pushing a catheter by a doctor is trained, and the ability of the doctor to sense the change of blood resistance in the blood vessel when the doctor pushes the catheter is improved, so that in an actual operation, by sensing the change condition of the blood in the blood vessel, emergencies are found in time, and strain is made; the surgical risk and the complication occurrence rate of a patient are reduced.

The invention relates to a ventricular drainage device, and belongs to the technical field of medical instruments, the ventricular drainage device comprises a controller, a drainage tube and a drainage bag, and further comprises a fixing frame; a pushing mechanism; a limiting mechanism; a knocking mechanism; and a kneading mechanism. Through cooperative use of the pushing mechanism and the limiting mechanism, in the process that the drainage tube conducts drainage on liquid in the brain of a patient, a pushing plate of the pushing mechanism intermittently extrudes the drainage tube under the limiting effect of the limiting mechanism, and when the movement direction of the pushing plate is the same as the flowing direction of the liquid drained in the drainage tube, the pushing plate can push the drainage tube to move. When the drainage tube is blocked, the pushing plate extrudes the drainage tube, so that the pushing plate extrudes and pushes blockages adhered to the inner wall of the drainage tube in the drainage direction, the probability that the drainage tube is blocked is reduced, the drainage tube is prevented from being blocked, the flowing speed of liquid in the drainage tube is prevented from being reduced, and the intracranial pressure of a patient is prevented from being increased, so that the drainage smoothness is ensured; and the patient is well protected.

The invention belongs to the technical field of hip joint surgery dislocation approach, and particularly relates to a hip joint surgery dislocation approach osteotomy and screw placement guide assembly and a use method. The guide assembly comprises an osteotomy auxiliary plate and a screw guide plate. The osteotomy auxiliary plate is arranged on the outer side of the exposed greater trochanter femur of the patient and assists the external cutting device in conducting osteotomy operation on the greater trochanter of the femur of the patient. The screw guide plate is arranged on the outer side of greater trochanter of the thighbone of a patient after osteotomy is completed and used for positioning and guiding the at least two reset fastening screws. An osteotomy and screw placement guide assembly is designed in a conventional hip joint surgery dislocation approach operation, an osteotomy auxiliary plate and a screw guide plate are designed, and the osteotomy auxiliary plate comprises an osteotomy guide mechanism at a proper position and is used for accurately positioning the osteotomy position of a greater trochanter osteotomy block of a patient; the problem that in the prior art, when osteotomy is conducted on a patient completely depending on doctor experience, an osteotomy block is likely to be too large or too small or the osteotomy direction is dislocated is solved.

The invention relates to the technical field of hemostatic cotton, in particular to rapid hemostatic cotton with good antibacterial property and adhesion as well as a preparation method and application of the rapid hemostatic cotton. The invention discloses rapid hemostatic cotton with good antibacterial property and adhesion. The rapid hemostatic cotton is obtained by sequentially carrying out carboxymethyl treatment, tannic acid treatment and silver ion chelating treatment on cotton fabric. The rapid hemostatic cotton provided by the invention has a very high liquid absorption rate, can be rapidly gelatinized when being in contact with blood, and can be adhered to a wound, seal the wound and prevent bacteria from invading the wound, so that the purposes of rapidly stopping bleeding and promoting healing are achieved.

This invention provides a single-operated duodenal sphincter cutter, comprising: an outer sheath, a guidewire, a metal wire, and a handle. The guidewire is inserted into the interior of the outer sheath through its wall and exits from its tip. The handle is connected to the tail of the outer sheath. One end of the metal wire is fixedly connected to the front of the outer sheath, and the other end is inserted into the interior of the outer sheath and connected to the handle. This invention features a dual-channel tube, with the guidewire entering the guidewire channel through the side wall. Its outer diameter is thinner than that of a conventional three-channel tube. The guidewire is led out through the side wall of the tube. With the outer sheath fixed in place, the operator can insert the guidewire into the common bile duct or pancreatic duct without the assistance of an assistant, increasing the success rate of cannulation.

The invention belongs to the technical field of mitral valve repair clamps convenient to push, and particularly relates to a mitral valve repair clamp convenient to push, which comprises an outer sleeve, hollowed-out parts are arranged on two sides of an outer cambered surface of the outer sleeve, extending ends are arranged at the middle ends of the hollowed-out parts on two sides of the outer sleeve, and one side of each extending end is provided with an arc-shaped surface matched with the cambered surface of the outer sleeve. The invention relates to an anti-slip hose. Semicircular barbs on one side and the other side are dragged to compress the range of a mitral valve opening, clamping force and positions of an upper clamping arm and a lower clamping arm are adjusted through observation and evaluation before the opening is not completely closed, and then a connecting rod is pulled downwards to be downwards connected with the upper clamping arm and combined with the lower clamping arm, so that the whole mitral valve repair mechanism is formed. And under the condition that one of the two parts is loosened or moved, the other group of structures can adapt to the pathological change of the mitral valve, so that the heart reconstruction process can be stopped or reversed, and the heart can be stably recovered to a more normal form and function.

The invention relates to the technical field of traditional Chinese medicine aromatherapy, in particular to an aromatherapy composition for treating peripheral phlebitis through transdermal absorption as well as a preparation and application of the aromatherapy composition. According to the aromatherapy composition and the preparation thereof, the peripheral superficial phlebitis is subjected to transdermal treatment through traditional Chinese medicine aromatherapy, the total effective rate of 24-hour treatment is 100%, the cure rate is 55%, the cure rate in 48 hours is 97.5%, phlebitis grading reduction is marked as grading difference, the sum of grading differences of 40 patients is 125, and the treatment effect on the peripheral superficial phlebitis is obvious compared with that of traditional and common methods. Compared with a traditional treatment method, the traditional Chinese medicine composition can greatly shorten the treatment time, quickly relieve pain and reduce the occurrence rate of complications, the curative effect is stable and reliable, and the compliance, comfort and acceptability of a patient in the treatment process are very good.

The present invention relates to a radiofrequency ablation device, comprising a transmission tube and a plurality of ablation arms; the plurality of ablation arms are respectively connected to the transmission tube, the plurality of ablation arms are collectively ring-shaped, the plurality of ablation arms are respectively provided with ablation parts, the ablation parts are electrically connected to ablation wires, the ablation wires are passed through the ablation arms and the tube walls of the transmission tubes, and the ablation wires are used to connect radiofrequency equipment. The radiofrequency ablation device can guide the ablation segments of the plurality of transmission tubes to fit the pulmonary vein orifices during atrial fibrillation treatment surgery, so as to form a ring ablation, and the operation is simple and convenient, which can greatly shorten the ablation surgery time, is conducive to wide promotion, and meets the surgical needs of a large number of atrial fibrillation patients. In addition, in addition to isolating the pulmonary vein electrical signals, the radiofrequency ablation device can also make a certain degree of improvement to the autonomic nerve plexus outside the pulmonary vein orifices, thereby further improving the effectiveness of atrial fibrillation ablation surgery.

The present application belongs to the technical field of kits, and particularly relates to a detachable kit for parathyroid blood supply detection, which comprises a box body, an openable box cover arranged at the top of the box body, a developing solution injection mechanism, a liquid medicine injection mechanism and a three-way connecting mechanism arranged in the box body, a first end of the three-way connecting mechanism being connected with the developing solution injection mechanism, a second end of the three-way connecting mechanism being connected with the liquid medicine injection mechanism, and a third end of the three-way connecting mechanism being used for connecting a remaining needle, the three-way connecting mechanism being capable of being switched between a developing solution injection function and a reagent injection function. The kit designed in the present application is used in cooperation with developing reagents such as indocyanine green aqueous solution, and can guide a doctor to make a decision on whether to retain or transplant parathyroid glands, or help the doctor to find a position of a parathyroid adenoma to be removed during a total thyroidectomy and central lymph node dissection surgery or a parathyroid adenoma resection surgery. The device can be repeatedly used, material is saved, the environment is protected, mechanical injection is achieved, and efficiency is high.

The invention relates to an anti-fogging self-cleaning laparoscope which is characterized in that a transparent glass sheet is fixedly arranged at the outer end of an objective lens at the far end of the laparoscope, and a closed carbon dioxide gas groove is formed in a gap between the transparent glass sheet and the objective lens; an air inlet pipeline is fixed along the inner wall of an outer tube of the laparoscope, a corresponding air inlet hole is formed in the near end of the air inlet pipeline, and the far end of the air inlet pipeline penetrates through the objective lens and extends into the carbon dioxide gas groove; a gas outlet pipeline is fixed along the inner wall of the outer tube of the laparoscope, the far end of the gas outlet pipeline extends into the carbon dioxide gas groove, and the near end of the gas outlet pipeline exhausts gas through a gas exhaust hole; and the air inlet is externally connected with a carbon dioxide air source. The laparoscope solves the technical problems that an existing laparoscope is prone to causing fogging of an objective lens and infection of tissue fluid in a minimally invasive abdominal surgery, consequently, the surgical field is blurred, and surgical operation needs to be interrupted due to the fact that a real-time processing function does not exist.

This invention proposes a multi-degree-of-freedom gastrointestinal surgical robot system, belonging to the field of medical robot technology. It includes a platform with a pair of guide rails on its end face; a main arm drive device mounted on the platform, its output end connected to one end of the main arm to provide power to the main arm, which is hollow inside; a deployment mechanism mounted on the other end of the main arm away from the platform; two sub-arm drive devices respectively mounted on the platform and slidably connected to the guide rails; the output ends of the two sub-arm drive devices pass through the main arm and extend into the deployment mechanism to provide power to the deployment mechanism; the deployment mechanism includes a snake-bone tube and a force-sensitive elastomer clamping unit. The snake-bone tube includes several sequentially arranged rotary joints, adjacent rotary joints are hinged together, the interior of the first rotary joint communicates with a channel inside the main arm, and the last rotary joint is connected to the force-sensitive elastomer clamping unit. Clamping force and three-dimensional force sensing are achieved through inverse kinematics calculation.

The application discloses an automatic vagina closing and cutting instrument under a laparoscope and belongs to the technical field of medical instruments. The instrument comprises an operation handle, a sleeve, a clamping assembly, a cutting assembly, a rotating sleeve, a liquid storage sleeve, an adapter assembly, a protective sleeve and a sealing assembly. The sleeve is fixed to the outer side of the output end of the operation handle. The clamping assembly is arranged on the inner side of one end of the sleeve. The cutting assembly is used for cutting the vagina. The rotating sleeve is arranged outside the sleeve. The liquid storage sleeve is arranged on one end of the rotating sleeve and is in sliding connection with the sleeve. The adapter assembly is arranged on the inner side end of the liquid storage sleeve. One end of the protective sleeve is fixedly connected with the end of the liquid storage sleeve, which is far away from the operation handle. The fitting assembly is used for increasing the fitting property of the protective sleeve and the residual end of the vagina. The sealing assembly is arranged in the opening end of the protective sleeve. The movable protective sleeve is arranged outside the sleeve. The protective sleeve is tightly fitted with the residual end of the vagina through the fitting assembly. The risk that tumor cells enter the abdominal cavity through the open vagina is effectively blocked. The probability of abdominal cavity implantation and metastasis in the malignant tumor operation is remarkably reduced.

An assembly for implementing spinal puncture comprises an auxiliary positioning membrane, a base and a tubular puncture guide rod. When in use, the auxiliary positioning film is attached to the skin of a to-be-operated area of a patient, and CT scanning is carried out. And the base is arranged at a proper position of the auxiliary positioning film according to the result, and the puncture guide rod is assembled with the base. An operator adjusts the inclination angle of the puncture guide rod and the needle inserting angle for guiding the puncture needle to conduct puncture by means of the auxiliary protractor, the puncture depth can be determined through the relation between the outer opening of the guide tube and the scales on the puncture needle, and therefore the puncture accuracy is effectively improved, and the repeated puncture situation is reduced. Clinical verification shows that when the assembly is applied to clinic as a medical instrument, repeated puncture can be reduced, the occurrence rate of complications caused by repeated puncture or mistaken puncture can be reduced, the operation time is reduced by about 50%, the number of radioscopy times increased by repeated puncture positioning is effectively reduced, and the working efficiency is improved. The radiation exposure dose of the patient is reduced.

The application discloses a vein puncture blood vessel intelligent positioning method and system based on multi-modal fusion, relates to the technical field of medical assistance and artificial intelligence, and comprises the following steps: collecting an original blood vessel image by means of an infrared imaging device and performing pretreatment; inputting a standardized blood vessel image into a deep learning model and a multi-modal large language model respectively for parallel analysis, outputting a first candidate puncture point set and a second candidate puncture point set; performing spatial alignment on the double-path candidate points, combining depth sensor data to construct a three-dimensional blood vessel network topology structure, screening an optimal puncture point through weighted fusion and clinical rule arbitration, and calculating a needle insertion angle and depth; and projecting guide information to the surface of the skin of a patient by means of a laser projection or AR display device and performing real-time calibration. The application significantly improves the accuracy, safety and individual adaptability of puncture point selection, and is suitable for clinical puncture operation and nursing teaching scenes.

A microneedle array interdigital electrode for skin electroporation comprises 2n microneedle pieces, 2n + 1 insulating pieces and microneedle piece fixing buckles, and n is a positive integer; the micro-needle array interdigital electrode provided by the invention can penetrate through the surface layer of the skin to directly contact with tissues at the lower layer of the skin, so that the impedance of the skin is greatly reduced. Therefore, the electroporation signal can be transmitted more effectively, and the electroporation efficiency and effect are improved. The microneedle array provided by the invention is fixed on the skin through slight puncture, so that the sliding of an electrode on the skin is reduced, and the accuracy and repeatability of an electroporation position are ensured. Compared with other electrodes, the microneedle array interdigital electrode provided by the invention has the advantages of higher penetration efficiency, more accurate treatment precision, lower pain and complication occurrence rate, wider application range, better patient comfort and treatment convenience and the like in the field of medical wound repair; and positive influence is brought to technical development and clinical treatment in the field of wound repair.

The invention discloses a ureter guiding sheath with an intelligent control medical perfusion pump and a preparation method, a system structure comprises a guiding pipe, the perfusion pump, a driving mechanism and a control system, the control system comprises a data processing module and a sensor module, the sensor module comprises a grouting flow velocity sensor and a human body pressure sensor, and the grouting flow velocity sensor is connected with the human body pressure sensor. The method comprises the following steps: preparing the guide sheath main body; preparing a guide tube; preparing a filling pump; preparing a control system; a guide tube, a perfusion pump and a control system are assembled together to form the ureter guide sheath with the intelligent control medical perfusion pump. The perfusate flow can be intelligently controlled, the ureter injury risk is effectively reduced, and the operation safety is improved; the perfusate flow is monitored in real time, so that a doctor can know the perfusate flow condition in time and adjust an operation scheme; the operation is convenient, the surgical operation is simplified, and the surgical efficiency is improved.

The invention relates to a minimally invasive release needle under ultrasonic guidance. The minimally invasive release needle is mainly used for treating chronic pains such as stenosing tenosynovitis, peripheral nerve entrapment and muscular fascia adhesion. The minimally invasive release needle integrates a traditional injection needle and a cutting needle knife, is composed of the needle tube mechanism and the needle core mechanism, is unique in design, and has an inclined plane injection style and a 45-degree inclined cutting edge cutting function. In the injection state, the needle core retreats into the needle tube, and anesthesia injection and hydraulic separation of normal tissue can be carried out through the rear connecting tube. In the cutting state, the needle core is pushed out of the needle tube, the positioning protruding point is clamped into the positioning notch, a transverse V-shaped or inverted T-shaped cutting edge is formed, and pathological tissues are accurately cut and released through the ultrasonic guiding and water separation technology. The minimally invasive release needle has the advantages of being minimally invasive and accurate, only one injection needle eye is left in the skin in the whole treatment process, and the defects that a traditional treatment method is large in wound, slow in recovery, prone to damaging normal tissue and the like are overcome.

The invention provides an L5 / S1 minimally invasive intervertebral disc radiofrequency ablation operation path planning method and device based on an MR image. The method comprises the following steps that MRI data of an object in a DICOM format are obtained; preprocessing the data; modeling a path planning environment, and inputting data into a modeled model to obtain a modeled path planning environment; according to the obtained path planning environment, performing tetrahedron subdivision on the to-be-ablated 3D sub-model of the protrusion of intervertebral disc, and selecting an effective ablation target spot; constructing a candidate path; performing hard constraint condition detection and soft constraint condition detection on the candidate path to obtain an optimal path; and outputting the path planning environment and the optimal path. And the determined operation path can reduce the operation risk and the occurrence rate of complications while ensuring the operation effect. Clinical information such as cross section angulation, coronal plane angulation and sagittal plane angulation is additionally provided, and working efficiency and decision quality are improved.

This invention proposes a multi-degree-of-freedom gastrointestinal surgical robot system, belonging to the field of medical robot technology. It includes a platform with a pair of guide rails on its end face; a main arm drive device mounted on the platform, its output end connected to one end of the main arm to provide power to the main arm, which is hollow inside; a deployment mechanism mounted on the other end of the main arm away from the platform; two sub-arm drive devices respectively mounted on the platform and slidably connected to the guide rails; the output ends of the two sub-arm drive devices pass through the main arm and extend into the deployment mechanism to provide power to the deployment mechanism; the deployment mechanism includes a snake-bone tube and a force-sensitive elastomer clamping unit. The snake-bone tube includes several sequentially arranged rotary joints, adjacent rotary joints are hinged together, the interior of the first rotary joint communicates with a channel inside the main arm, and the last rotary joint is connected to the force-sensitive elastomer clamping unit. Clamping force and three-dimensional force sensing are achieved through inverse kinematics calculation.

The utility model discloses an auxiliary carpal bone removal tool which comprises an operation handle, stripping assemblies arranged at the two ends of the operation handle, a limiting assembly installed on the inner wall of the operation handle and an anti-skid assembly installed on the surface of the operation handle. According to the carpal bone extirpating device, medical workers can conveniently carry out carpal bone extirpating treatment, different extirpating parts can be replaced according to the use condition, meanwhile, the limiting assembly is arranged on the operation handle, the adjusted extirpating rod can be conveniently limited, the stability of the adjusted extirpating rod can be improved, and the anti-skid assembly is arranged on the operation handle, so that the medical workers can conveniently extirpate the carpal bone. The auxiliary carpal bone removal tool is simple in structure and convenient to use, reduces the anti-slip performance during operation, facilitates better operation of medical staff, has the advantages of being small in trauma and short in operation time, and can effectively reduce the postoperative recovery time and the complication occurrence rate of a patient.

The invention relates to the technical field of food beverages, in particular to a formula and a preparation process of a hydrolyzed protein liquid beverage, the formula of the hydrolyzed protein liquid beverage comprises protein, a supplement and a conditioning agent, the supplement is selected from one or more of calcium hydroxybutyrate, leucine, isoleucine and valine, and the conditioning agent is selected from one or more of calcium hydroxybutyrate, leucine, isoleucine and valine. The regulator is selected from one or more of gamma-aminobutyric acid, glycine, taurine, 5-hydroxytryptamine and beta-aminobutyric acid; peptide molecules contained in the hydrolyzed protein liquid beverage disclosed by the invention can quickly enter blood circulation through intestinal tracts; for a patient in a hypoproteinemia state before and after an operation, rapid and effective protein supplement is crucial, postoperative recovery is promoted, and the occurrence rate of complications is reduced; for traumatic injuries such as fracture, burn and the like, timely supplement of high-quality protein components is a key for accelerating wound healing and tissue repair.

The invention relates to the technical field of medical treatment, in particular to a novel scheme for treating secondary spontaneous pneumothorax in an operation mode. The method comprises the following steps: step 1, operation preparation: all operations are carried out under vein composite anesthesia and double-lumen trachea intubation, continuous end-expiratory carbon dioxide monitoring and multiple arterial blood gas analysis are carried out in the operations to adjust the respiratory rate, and if the monitored blood gas analysis PaCO2 is greater than 70mmHg or (and) PaO2 is less than 90% in the operations, double-lung small tidal volume ventilation is carried out; step 2, designing an operative incision: the incision is positioned between the fourth rib or the fifth rib of the anterior axillary-midline, the incision is about 3.0-3.5 cm, and a thoracoscope light source and an operating instrument are placed through a single hole; step 3, treating emphysema and pulmonary bullosa: firstly separating a thoracic cavity adhesive tape, and when the emphysema and the pulmonary bullosa have no lung collapse, using an energy instrument (electric hook incision) to cause lung atrophy; not ligating all bulloids, and centrally ligating lung bulloids and emphysema tissues located at 1 / 3 of the periphery of the lung; step 4, desquamation of the wall layer pleura: gradually separating the wall layer pleura from a chest wall muscle layer gap along the inner side of the incision, and desquamation by using a pair of joint forceps and a pair of separating forceps.

The application relates to the field of orthopedic fixing splints, in particular to an orthopedic fixing splint device and a using method, which comprises two main sleeves in ring-shaped clamping, and a plurality of semicircular sub-sleeves are arranged on the two sides of the main sleeves; an arc-shaped splint for clamping a limb is movably arranged in the main sleeve. The orthopedic fixing splint device can realize the alternate expansion and contraction switching of two arc-shaped splints on the same side by rotating the limiting screw and pushing and pulling the adjusting arc plate, changes the clamping stress point of the fractured area of the limb, effectively avoids the problems of ischemia, numbness, pressure sores and even ulceration of the local skin caused by long-term pressure, reduces the incidence of skin complications during fixation, and adapts to the wearing demand of the long healing period of the fracture.

The invention belongs to the technical field of vascular intervention balloon injection molding quality inspection, and relates to a vascular intervention balloon injection molding quality inspection method. By analyzing the biological performance qualification index, the functional performance qualification index and the physical performance qualification index of each vascular intervention balloon sample belonging to the target batch, the test matters needing attention of the vascular intervention balloon are obtained in advance, and the accuracy and reliability of the detection result are improved; by analyzing the biological performance qualified index, the functional performance qualified index and the physical performance qualified index of each vascular intervention balloon belonging to the target batch, the treatment success rate is improved, the complication occurrence rate is reduced, medical negligence and loss caused by product faults are reduced, and the treatment cost is reduced. By automatically generating the quality inspection comprehensive report of the target batch of vascular intervention balloons, products with substandard performance can be prevented from flowing into the market, potential risks are reduced, and performance differences of different batches of vascular intervention balloons can be compared.

The invention relates to the technical field of medical treatment, and particularly discloses a pathophysiology parameter real-time monitoring and intelligent analysis system which comprises a data management module, a real-time monitoring module, a data review module, a communication management module, a privacy protection module and an analysis decision module. The real-time monitoring module is responsible for collecting and processing physiological parameter data of a patient in real time, the data review module reviews the physiological parameter data in real time to form a statistical analysis report, and the communication management module is responsible for real-time message transmission to ensure data security and integrity; the key physiological parameters of the patient can be continuously tracked, and the abnormal physiological parameters can be rapidly detected through intelligent analysis, so that the medical staff can make diagnosis and treatment decisions more rapidly, the medical quality and efficiency are effectively improved, the risk of human errors is reduced through the automatic monitoring and analysis process, and the accuracy of diagnosis and treatment is improved. Meanwhile, the safety of the patient in the medical treatment process can be ensured.

The present application relates to a proton dose calculation method for tissue segmentation based on delineated areas and related equipment, the method comprising: constructing a basic database; the basic database comprises a first database and a second database; obtaining CT information and radiotherapy delineation information; determining the density of each voxel and the tissue organ to which it belongs in combination with the basic database according to the CT information and the radiotherapy delineation information; performing proton dose calculation according to the radiotherapy plan through a preset algorithm based on the density and the tissue organ to which each voxel belongs; obtaining a dose distribution map of the area of ​​interest; comparing the target dose with the calculated dose, and performing plan evaluation and adjustment guidance based on the comparison deviation; being able to comprehensively consider tissue distribution at multiple levels, more accurately reflect the diversity and complexity of the chemical composition of different tissues, accurately simulate the interaction between protons and various tissues, improve the accuracy of dose calculation, and ensure the accuracy of the treatment plan.

The present invention discloses an ascending aorta covered stent and delivery system component and a method of using the same, which belongs to the field of minimally invasive surgery technology and is designed to solve the problem that it is difficult to use minimally invasive surgery in the treatment of the ascending aorta in the prior art. The ascending aorta covered stent and delivery system component of the present invention include a stent conveyor and a covered stent, the stent conveyor includes an outer sheath, an adjustable bend, a single-lumen middle tube, a single-lumen tube, a flexible TIP head, a chronic dilator and an adjustment handle; the covered stent includes a proximal bare crown stent and a distal covered stent connected. The ascending aorta covered stent and delivery system component of the present invention and a method of using the same solve the problem that ascending aorta dissection is not suitable for minimally invasive surgery, reduce the mortality rate and complication rate during surgery, and require shorter hospitalization and postoperative monitoring time. The outer sheath has sufficient axial and radial support and compliance.