31 results about "Surgical complication" patented technology

The utility model discloses a kind of hysteroscope liquid leakage prevention structures, including center cylinder base, the both ends of center cylinder base are fixedly connected with end fixed ring, the outer end array of two sides the end fixed ring is fixedly connected with multiple elastic supporting pieces, and the outer end of multiple elastic supporting pieces of same side is equipped with silica gel outer cover, two sides The outer side of elastic supporting piece is fixedly connected with operating slip ring and insertion stop seat respectively, and the outer end of two sides silica gel outer cover is fixedly connected with the outer edge of corresponding side operating slip ring and insertion stop seat.In insertion, small in diameter, it is convenient to set, and will not cause damage to cervix, can effectively solve the problem of clinical surgeon encountered in hysteroscopy surgery in uterine cavity liquid leakage, reduce operation time and surgical complications, improve operation efficiency and safety.

The invention relates to a brain-computer interface system which comprises a flexible electrode array, a receiving device, a flexible connecting wire and external equipment, wherein the flexible electrode array is implanted into a meninx middle artery in a minimally invasive manner through a superficial temporal artery puncture and a vascular intervention procedure; the receiving device is embedded under the skin of a head and is provided with a signal transmitter; the external equipment is provided with a signal receiver. A flexible electrode array is implanted in an anterior branch or posterior branch of a main branch of a middle meninx artery through a superficial temporal artery intravascular minimally invasive technology, the number of electrodes and the array are arranged according to needs, and a receiving device buried in the subcutaneous part of the head is electrically connected with the flexible electrode array implanted in the middle meninx artery. Craniotomy is not needed, operative complications are avoided, minimally invasive implantation reaches the surface of the cerebral cortex, operation of a doctor is easier, the operation time is shortened, and the comfort level of a patient is improved.

The application provides a postoperative physiological data analysis method and a collection device, and relates to the technical field of information processing. The method collects postoperative physiological data of a patient through a collection device, so that a patient's exhaust identification and pose change identification can be generated according to the exhaust time and pose data of the collected physiological data, and then warning information can be generated based on the exhaust identification and the pose change identification. Through the warning information, medical staff can be reminded to help the patient to exhaust in time, and the occurrence of postoperative complications of the patient can be reduced. The method can automatically monitor the exhaust and pose data of the patient through the collection device, can help the medical staff to accurately and timely master the physiological change condition of the patient after the operation, and avoids false reports or omissions caused by the patient's active reporting of physiological data. Based on the provided physiological data analysis method, warning information can be generated, so as to help the medical staff to timely intervene in the abnormal condition of the patient after the operation, and reduce the occurrence of surgical complications.

The application relates to the technical field of medical devices, in particular to a punching positioner, which comprises a handle and a positioning head, the handle comprises a connecting end and a holding end, the holding end provides a gripping position; the positioning head is connected with the connecting end, a drill bit positioning hole is arranged on the positioning head, and an anti-skid pattern is arranged at the end face of the positioning head which abuts against the part to be punched. In the application, the design of the anti-skid pattern can increase the friction between the positioning head and the part to be drilled of the patient, improve the stability of the positioning drill bit, and reduce the risk of slipping. This helps to avoid surgical complications such as coracoid fracture, thereby reducing the risk of surgical failure.

This invention provides a balloon catheter comprising a catheter, a balloon, and a limiting element. The balloon is positioned distal to or near the distal end of the catheter. The limiting element is located on the outer side of the balloon, and at least a portion of the limiting element is capable of radial movement or radial deformation to drive the balloon to move radially inward. The balloon catheter provided by this invention allows physicians to adjust the limiting element to contact the balloon and deform it, ensuring that a portion of the balloon remains firmly attached to the blood vessel. This reduces the risk of balloon displacement, prevents the balloon from losing its function of dilating blood vessels or blocking aneurysms due to displacement, and improves the stability and reliability of balloon implantation. Simultaneously, it allows another portion of the balloon to no longer be tightly attached to the blood vessel wall, creating a gap to form a fluid channel, allowing a small amount of blood to flow between the two ends of the balloon, ensuring blood supply to distal organs, reducing surgical complications, reducing pressure on patients and physicians, and increasing the success rate of surgery.

The invention provides an implanter for assisting an eyeball sclera posterior implant, which comprises two main body guide arms matched with each other, the main body guide arms extend forwards to form working parts, the main body guide arms extend backwards to form handheld parts, the two working parts are hinged and matched with each other, the front ends of the working parts are connected with clamping jaws, and the two clamping jaws are matched with each other. Wherein the head of one clamping jaw is provided with a micro camera, the clamping jaw is in an arc hook shape, and the main body guide arm is in a long curved rod shape; compared with an existing sclera posterior implant implanting device, the implanting device is provided with the long-curved-rod-shaped main body guide arm and the arc-hook-shaped clamping jaw, the main body guide arm and the clamping jaw can be attached to the internal space outline of the eye, and the micro camera at the head of the clamping jaw is matched, so that the implanting device can accurately move the implant to the operation position, and the operation efficiency is improved. The implanter does not need to be adjusted for many times, and the risk of operative complications is effectively reduced.

The invention discloses a femtosecond laser operation flat-topped beam shaping optical system which comprises a laser, a beam expander, a DOE shaping module and a focusing scanning module. The laser is used for outputting a femtosecond Gaussian laser beam, and the femtosecond Gaussian laser beam sequentially passes through the beam expander, the DOE shaping module and the focusing scanning module and then acts on an operation area; the beam expander is used for expanding the diameter of the femtosecond Gaussian laser beam to the beam diameter used for cutting the light path; the DOE shaping module comprises a DOE diffractive optical element; the DOE diffractive optical element is arranged on a path of the femtosecond Gaussian laser beam and is used for converting an incident Gaussian beam into a flat-topped beam with uniformly distributed energy through phase modulation; the flat-topped light beam has no local energy peak value, thermal damage and excessive ionization of traditional Gaussian laser to normal tissues of eyes are avoided, postoperative inflammatory response is light, the tissue recovery speed is increased, and the risk of operative complications is reduced.

A computer-implemented method for simulating an interaction between an endoprosthesis dedicated to be implanted in a portion of a patient aorta and said portion of the patient aorta, so as to determine areas with risk of surgical complications.

This invention discloses an insulated atrial septum puncture guidewire, comprising a core wire, which includes a middle section, a tip, and a tail. The advantages are as follows: When the guidewire of this invention passes through the atrial septum, compared to traditional mechanical puncture with a needle, the mechanical force required for puncture is much lower. The J-shaped coil at the tip of the guidewire is softer and less sharp, significantly reducing the risk of cardiac perforation and making the procedure safer. Simultaneously, after the guidewire passes through the atrial septum, the sheath and dilator can pass through the septum along with the guidewire. Using the guidewire for atrial septum puncture, compared to the existing technology using mechanical puncture needles, eliminates the need to remove the guidewire from the sheath and insert a needle during the puncture process. The guidewire can simultaneously serve as a guide and puncture point, greatly reducing the number of puncture steps in the atrial septum, lowering the possibility of cardiac damage during atrial septum puncture, and thus reducing the risk of surgical complications.

The invention discloses a general surgery department diagnosis and treatment data intelligent processing method and system based on AI in the technical field of medical care information, and the method comprises the steps: obtaining first diagnosis and treatment data of a sample, processing the first diagnosis and treatment data based on a data processing method, and obtaining second diagnosis and treatment data, the second diagnosis and treatment data are numerical vectors; obtaining a plurality of features in the second diagnosis and treatment data to obtain basic features, setting an association relationship among the plurality of features, taking the features as nodes of the association relationship, and constructing a target heterogeneous graph of the sample; dividing a central node and a neighbor node corresponding to the central node for the node, and distributing a criticality score to the neighbor node. According to the method, the association relationship is set to connect different features, meanwhile, the heterograph is formed to express the association among the patient features, and the risk prediction model of the operative complications is constructed in a matched manner, so that the risk of the complications of one operation can be effectively predicted.

The utility model provides an inflatable protection pad, including leg pad, leg pad is from top to bottom is divided into silica gel soft pad, sponge layer and inflatable air bag, silica gel soft pad cladding is in the top layer of sponge layer, is provided with antiskid line, the recessed fit of sponge layer is set to human body patella, inflatable air bag is fixed in the bottom one end of sponge layer, adjusts own height through the inflation port and the air outlet of side end, the utility model changes the contact area of knee joint and bed surface, reduces the pressure intensity of knee joint surface when prone position, reaches the purpose that reduces, prevents pressure injury, can raise foot ankle part, makes ankle joint natural bending, foot tip natural droop, keeps lower limb function position, prevents blood vessel nerve injury, reduces the postural surgical complication, can make femoral shaft and pelvis keep certain flexion angle simultaneously, prevents overstretching, keeps functional body position, avoids nerve and blood vessel injury, has inflatable air bag, can cooperate with external air blowing equipment and adjusts ankle height according to actual condition, adjusts knee flexion angle.

The invention relates to the technical field of medical instruments, and discloses a rectum control system which comprises a base. The filling balloon is fixed at the bottom of the base; the filling tube is arranged on one side of the filling balloon, and a filling valve is mounted at the other end of the filling tube; the pressure sensor is arranged in the filling balloon and used for monitoring the pressure in the filling balloon in real time; according to the rectum control system, the rectum is blocked through inflation of the filling balloon, supporting and blocking are achieved in a physical mode, the intestinal leakage phenomenon is reduced, dependence on medicine is reduced, side effects possibly caused by medicine treatment are reduced, in addition, the requirement for surgical treatment is avoided or reduced, and the system is suitable for popularization and application. And particularly for the elderly, children or high-risk patients accompanied with other serious diseases, the risk of operative complications is reduced, so that the using effect of the structure is improved.

This invention provides the application of costunolide in the preparation of a drug for preventing posterior capsule opacification. Costunolide effectively reduces posterior capsule opacification after extracapsular lens extraction (ECLE) and exhibits significant anti-inflammatory and anti-fibrotic effects in both in vitro and in vivo models. Mechanistic studies have identified matrix metalloproteinase 8 (MMP8) as a key downstream effector of costunolide, confirming that costunolide inhibits MMP8 expression, thereby blocking the transformation of lens epithelial cells (LECs) into mesenchymal cells and subsequent fibrotic processes. This lays a solid foundation for developing targeted therapies for posterior cataract, a common surgical complication.

This utility model provides a head fixation device for interventional surgery, relating to the field of medical device technology. It includes a head support base, a head support body, a head support fixation component, and a back pad. Both the head support fixation component and the head support body are mounted on the head support base. The head support fixation component is used to mount the head support base onto the operating table. The head support body has at least three sets of protrusions, which together form a head fixation area. This design effectively solves the problem of fixing and maintaining the patient's position during interventional radiofrequency ablation surgery for trigeminal neuralgia. The patient lies comfortably, maintaining a tilted-back posture during the procedure, ensuring the puncture angle remains unchanged, reducing the difficulty of the puncture surgery, shortening the operation time, significantly improving the success rate, significantly reducing surgical complications, and significantly improving the surgical outcome.

The utility model discloses a kind of orthognathic block osteotomy milling cutter assemblies, comprising: stem, its proximal end and orthognathic surgery robot system's power output end detachably connected;Milling cutter, including central shaft support part and multiple milling portions, multiple the milling portion is set to the circumferential of the central shaft support part and evenly arranged;Wherein, multiple the milling portion between is provided with exclusion channel and timely discharge osteotomy bone, the maximum radius size of the milling cutter and target osteotomy width are coupled. Can simplify operation, reduce trauma and various surgical complications, greatly improve the operation effect.

This invention relates to the field of medical device technology, specifically to an intelligent energy control method and system for an electrosurgical energy platform. The method includes: real-time acquisition of multi-dimensional electrophysiological parameters at the tissue-electrode contact point during electrosurgical procedures, including tissue impedance, voltage, current, and phase difference; inputting the acquired multi-dimensional electrophysiological parameters into a pre-trained tissue type recognition model to identify the currently contacting tissue type and determine its corresponding energy safety threshold; dynamically calculating the optimal energy output parameters based on the identified tissue type and surgical operation mode; and real-time monitoring of tissue state changes, automatically adjusting energy output or triggering a safety protection mechanism when the tissue state reaches a preset critical value. This invention achieves adaptive intelligent control of the electrosurgical energy platform through a combination of multi-parameter fusion sensing and artificial intelligence algorithms, improving surgical safety and accuracy, reducing tissue thermal damage, and lowering the risk of surgical complications.

The application discloses a kind of orthopedic surgery robot monitoring system and monitoring method thereof, it is related to orthopedic surgery robot monitoring technical field, the present application integrates power parameter and position parameter, constructs comprehensive surgical risk assessment system, avoid one-sidedness of single parameter monitoring, based on real-time data calculation power parameter deviation, trajectory deviation and risk coefficient, reflect the dynamic fluctuation of parameter in surgical process, break through the rigidity of traditional static threshold evaluation, reduce the probability of dangerous operation;Risk trend is predicted using model, risk rises, falls or stable state is identified in advance through slope comparison, realize forward-looking early warning, avoid lag response, simultaneously combine risk level dynamic adjustment power parameter and surgical trajectory, improve the risk prevention and control capability in surgical process, reduce the surgical complications caused by risk handling not in time or improper handling, significantly improve the safety and success rate of orthopedic surgery.

The invention relates to the technical field of oral medical instruments, in particular to an oral implant taking-out device which comprises a holding module used for holding operation of medical staff, a clamping module used for stably clamping an implant and a monitoring assembly used for collecting operation parameters in real time, and the monitoring assembly is in signal connection with a control module used for overall control. The control module is in signal connection with the holding module and the clamping module, the clamping module comprises a power piece, a mounting plate is coaxially and fixedly connected to the power piece, an output shaft of the power piece penetrates through the mounting plate and is coaxially and fixedly connected with a connecting plate, a plurality of connecting rods are hinged to the edge of the connecting plate in the circumferential direction, and clamping plates are hinged to the connecting rods; the holding module is mounted at one end of the power part; the monitoring assembly is installed on the clamping plate, the power piece is in signal connection with the control module, and the control module is used for starting and stopping the power piece according to operation parameters monitored by the monitoring assembly in real time. The method is used for reducing the risk of operative complications and improving the operation efficiency and safety.

The invention relates to a visual cortical nerve regulation and control method based on theta explosive type transcranial magnetic stimulation, the method adopts a magnetic resonance guided MNI coordinate system to position an occipital pole stimulation area, the visual cortical layer is a primary visual cortical layer, the theta explosive type refers to a theta explosive type stimulation mode, and the theta explosive type refers to a theta explosive type transcranial magnetic stimulation mode. The TMS breaks through the limitation that a traditional therapy focuses on retina local repair, cortex-retina function compensation is achieved by regulating visual cortex nerve plasticity, clinical data shows that BCVA of an MMD patient can be averagely improved by 0.22 log MAR, the macular sensitivity is remarkably improved, the treatment effect on extreme myopia patients with the axial length larger than or equal to 32 mm is better, and the application prospect is wide. The treatment blank that the existing invasive therapy is taboo due to the fragile eyeball structure is filled. The non-invasive operation avoids the risk of operative complications, no adverse reaction report exists in the treatment process, the tolerance of a patient is good, the curative effect is kept stable in follow-up visit of four weeks, and repeated invasive operation is not needed.

An applicator apparatus has a delivery tube with differently curved tube sections along the length of the delivery tube so as to be tailored for airway topicalization during video laryngoscopy. The apparatus aims to enhance the precision and effectiveness of airway topicalization, particularly in scenarios where conventional applicators encounter challenges due to the acute angle of the laryngoscope blade. By conforming to the shape of the video laryngoscope, a sigmoidal shape of the delivery tube facilitates precise targeting of glottic structures and the posterior pharynx. This innovation is particularly beneficial for short procedures requiring endotracheal intubation, as proper topicalization is known to reduce coughing and bucking on extubation, mitigating potential surgical complications and minimizing the aerosolization of respiratory particles and viruses.

The invention discloses a puncture stitching instrument, which relates to the technical field of medical instruments and comprises a rod body, a puncture head, two puncture needles, a suture fixing part, a first control mechanism and a second control mechanism, the rod body comprises a fixed rod body and a movable rod body, the movable rod body is rotationally connected with the fixed rod body, the rotating direction of the fixed rod body relative to the movable rod body is the radial direction of the movable rod body, and the puncture head is arranged at the end, away from the fixed rod body, of the movable rod body; the abdominal wall puncture and suture device can achieve puncture and suture of the abdominal wall, is simple in structure and convenient to operate, can achieve puncture and suture easily and rapidly, and reduces operative complications.

This utility model relates to the field of medical device technology and discloses an angiography catheter and a guiding device. The angiography catheter includes a distal structure, a proximal structure, and a transition structure. By incorporating the transition structure, a cross-section is made perpendicular to the length of the transition structure. The width of the first tapering section gradually increases from one end to the other, and the guiding catheter is fitted onto the outside of the proximal structure between the other end of the first tapering section and the proximal structure. When the angiography catheter guides the guiding catheter through locations with small, tortuous, or spasmodic blood vessels, the first tapering section gradually widens the tortuous or spasmodic areas, allowing the guiding catheter to pass smoothly without damaging the blood vessel. Therefore, the angiography catheter can perform both angiography and guiding procedures without the need for additional instruments, saving time, reducing surgical costs, and lowering the probability of surgical complications.

The invention relates to an intra-operative real-time tracking method for an otology operation under an otoscope, and the method comprises the following steps: obtaining a plurality of otoscope images shot in the otology operation at the same moment, and carrying out the image fusion of the plurality of otoscope images, and obtaining a first image representing the moment; repeating the step 110 at different moments to obtain a first image set for real-time tracking; performing connected domain analysis on the first image set and marking key connected domains of all first images in the first image set to obtain a marked first image set; and inputting the marked first image set into a pre-trained deep learning model, and performing intra-operative real-time tracking of the important structure through the pre-trained deep learning model. The otoendoscope is used for tracking the operation process in real time, auxiliary positioning and real-time guidance are carried out on the operation of an operator, operation complications are reduced, and the navigation effect on the operation is achieved.

A real-time method for risk assessment and prediction of complications in plastic surgery. It includes a scoring method that classifies patients in distinct levels or risk-groups according to a risk score. According to the variables present in each individual, the algorithm estimates a risk factor for that particular data set provided by the patient through a questionnaire, calculates a risk score, classifies each patient in a risk group, and displays results in different electronic devices and personalized apps.

The utility model discloses a fixed titanium plate assembly for repairing anterior and posterior cruciate ligaments. The fixed titanium plate assembly comprises a fixed plate body and a wire passing hole group arranged on the fixed plate body in a penetrating manner, the thread passing hole group comprises a first hole for a turnover thread to pass through, a second hole and a third hole for a closed coil to pass through together, a fourth hole for a combined thread to pass through and a fifth hole for a titanium plate lead to pass through; and the titanium plate lead is arranged on the combined suture in a penetrating manner through the suture lead. The novel and efficient titanium plate fixing assembly is provided for anterior and posterior cruciate ligament repair by ingeniously combining the sutures, the belt carrier titanium plate and the anchor nails, the surgical operation process is optimized, the fixing stability of the graft is improved, the risk of surgical complications is reduced, meanwhile, the strength and durability of the graft are enhanced, and the application prospect is wide. Therefore, the recovery process of the patient is accelerated, and the operation success rate is improved.

The utility model discloses a percutaneous CBT screw fixing system belongs to medical instrument technical field, including screw rod, still include fixed base, the fixed base sets up as the circular table type of big down little, the fixed base is opened with the U type groove for installing connecting rod, the fixed base includes two groups of integrated fixed wing, the top of fixed wing is inwards and gathers, the inner wall of fixed wing is opened with the thread groove, the outside of fixed wing is opened with two groups of limit hole, the utility model sets up as the circular table type of big down little through the fixed base, simple structure, convenient and practical, can reduce the influence to the spine process, and through setting up limit piece and limit hole cooperation use, can prevent when fixed connecting rod fixed wing to both sides and expand, further reduce the influence to spine, muscle tissue normal tissue etc, benefit accurate nail operation in operation, reduce surgical complication, accord with minimally invasive surgical concept, be favorable to patient rapid recovery.

The utility model discloses a kind of cutter for percutaneous nephrolithotomy, it includes handle and blade, the handle is equipped with hand-held part and guide part, the bottom of the guide part is equipped with linear guide slot of axial through guide part, the linear guide slot can be slidably matched with puncture needle;The hand-held part is tilted and rises from the rear end of the guide part towards the side away from the linear guide slot and gradually extends backwards;The blade is embedded in the front end of the guide part, the blade tip of the blade is located at the end away from the guide part and is acute triangle, the blade edge of the blade is double-side open blade.Using the utility model, cutter can be cut into body along the puncture path of puncture needle, this design makes cutter more accurately carry out channel expansion during operation, while reducing damage to surrounding tissue, improve the safety and effectiveness of percutaneous nephrolithotomy, reduce surgical complications, provide better treatment experience for patients.

This utility model discloses a universal adjustable arm fixation device, comprising: a fixation mechanism, a first support plate and a second support plate, and a first connecting mechanism installed between the first support plate and the second support plate; the fixation mechanism is installed on the first support plate and / or the second support plate, so that the universal adjustable arm fixation device remains relatively stationary with respect to the patient; the first connecting mechanism includes: an adjusting rod, a first ball head adjustment assembly, and a first locking assembly; one end of the adjusting rod is rotatably and slidably connected to the first support plate, and the other end of the adjusting rod is rotatably connected to the first ball head adjustment assembly. The device allows adjustment of the distance, angle, and height between the first support plate and the second support plate, thereby enabling the angle between the first support plate and the second support plate to match the angle of the patient's elbow joint, effectively preventing intraoperative compressive nerve injury, improving patient comfort, and reducing the incidence of surgical complications.

A real-time, Al-driven respiratory monitoring system is disclosed comprising a wearable diaphragm sensor configured to detect mechanomyographic signals, optionally with additional sensors including a photoplethysmographic (PPG) sensor, carbon dioxide (CO2) sensor, and temperature sensor. A processor is configured to receive synchronized multi-sensor signals and execute machine learning algorithms trained to derive respiratory parameters such as respiratory rate, tidal volume, I:E ratio, minute volume, and rapid shallow breathing index. The system may classify respiratory abnormalities, generate adaptive alerts, and display trends through a graphical interface. Patient posture and symptom input may adjust model inference and alert thresholds. The system may operate in therapy-assist and post-therapy monitoring modes, support closed-loop ventilator control, and transmit time-stamped respiratory data and alerts to remote caregiver dashboards. A population-trained model may adapt alerts to patient-specific baselines and detect conditions including COPD exacerbation, neuromuscular decline, respiratory distress, post-surgical complications, and dialysis-related impairment.

The integrated incision drainage catheter comprises an inner tube, a drainage tube and an outer tube, a cutting wire is arranged at the front end of the inner tube, the inner tube is provided with an injection cavity, a cutting wire cavity and a guide wire cavity, the cutting wire is located in the cutting wire cavity, the drainage tube and the outer tube are sequentially connected to the inner tube in a sleeved mode from front to back, and the guide wire cavity is located in the guide wire cavity. The rear end of the drainage tube is connected with the front end of the outer tube through a binding wire; when the outer tube is pushed, the drainage tube advances or retreats along the inner tube; the rear end of the inner tube is connected with the handle assembly. According to the integrated incision and drainage catheter, the effects of an incision knife and a biliary tract drainage tube are achieved on one instrument, incision, intubation and drainage can be achieved at the same time, the number of times of instrument exchange is reduced, surgical operation is simplified, the occurrence rate of surgical complications is reduced, and the integrated incision and drainage catheter is safer and more effective.