45 results about "Surgical complication" patented technology

The invention provides a nicking guide wire, a nicking balloon assembly and an intervention device. The nicking guide wire comprises a guide wire shaft and a cutting unit. The cutting unit has an expansion state and a compression state, the far end of the cutting unit is fixed to the guide wire shaft, and the near end of the cutting unit is of an expandable annular structure. The nick guide wire is configured such that when the nick guide wire cooperates with the balloon catheter, at least part of the distal end of the balloon catheter enters the interior of the cutting unit through the annular structure. The indented guide wire is provided with the cutting unit, the cutting unit is combined with a balloon catheter to achieve the balloon cutting function, due to the fact that the indented guide wire is separated from a balloon body, the trafficability and flexibility of the product are better than those of products such as a cutting balloon, and when the indented guide wire is applied to treatment of intracranial vessel moderate calcification lesions, blood vessel injuries are not likely to be caused; and operative complications are reduced. For serious calcification lesions of cardiovascular and peripheral blood vessels, plaque expansion can be achieved without additionally using a CTO balloon for pre-expansion, and the operation cost and the operation difficulty are reduced.

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 relates to the technical field of clinical medical instruments, in particular to a hepatic portal blocking device for laparoscopic liver resection surgery, which comprises a blocking mechanism, the tail of the blocking mechanism is connected with an adjusting control mechanism through a connecting rod piece, and the blocking mechanism comprises a cylindrical sleeve, a clamping assembly, an extrusion piece, a connecting part and an air bag group. The connecting component is arranged at the tail of the cylindrical sleeve, the tail of the connecting component is connected to the connecting rod piece, the air bag set is connected to the head of the connecting component, the clamping assembly is connected to the air bag set and slidably connected to the front end of the inner side of the cylindrical sleeve, and the extrusion piece is arranged at the outer side end of the clamping assembly. The problems that according to a blocking method of an existing blocking device, due to the fact that operation is inconvenient or blocking is not accurate, bleeding control is not ideal, the blocking effect is poor, the risk of operative complications is likely to be increased, the pressure adjusting capacity is not achieved, adjustment cannot be conducted according to the specific conditions of a patient, the proper blocking mode and force cannot be selected, and the blocking effect is poor are solved. And the adaptability is relatively low.

A method of treating or ameliorating cataract surgical complications is provided. The method comprises administering to a subject in need thereof a nanoparticle of beclosone propionate (CLOBETASOL PROPIONATE). The method comprises administering to the subject in need thereof a nanoparticle of beclosone propionate.

The invention relates to the technical field of decision support, in particular to a urinary surgery clinical decision support method and system based on artificial intelligence, and the method comprises the following steps: recording the bladder volume and the pressure data in the bladder of a patient in real time by using a bladder pressure measurement catheter, calculating the bladder compliance and the curve slope change rate, and recognizing the detrusor muscle contraction abnormality type. And generating a bladder anomaly classification result. According to the method, the bladder compliance and the curve slope change rate are calculated, the abnormal detrusor contraction is recognized, the urine flow velocity descending trend, the urine flow velocity peak delay time and the recovery curve slope are extracted in combination with urine flow dynamics data, and quantitative analysis of the urinary tract obstruction degree is achieved. The accuracy of individualized operation risk assessment is enhanced by combining the prostate volume, the lesion site, the operation type suitability and the operation complication probability, the postoperative recovery cycle prediction is optimized by analyzing the bladder compliance, the urine flow rate and the detrusor muscle contraction intensity, and the refinement degree of rehabilitation management is improved.

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.

The invention discloses intelligent glasses for ultrasound-guided renal puncture, a control method of the intelligent glasses and a storage medium, and relates to the technical field of medical instruments. The intelligent glasses comprise a wearing part and a display part connected with the wearing part, the wearing part comprises a glasses frame, a processor and a wireless communication module, the processor and the wireless communication module are arranged in the glasses frame, and the display part comprises a touch display screen; the processor is used for receiving a real-time area image acquired by the ultrasonic probe through the wireless communication module and matching the real-time area image with a pre-constructed dynamic color three-dimensional model displayed on the touch display screen until the ultrasonic probe is located at a target puncture position; wherein the dynamic color three-dimensional model is obtained based on patient kidney medical images of different visual angles. By adopting the intelligent glasses, it can be ensured that the puncture needle accurately reaches the target position, the mistaken puncture risk is remarkably reduced, operative complications are effectively reduced, and safety and the success rate are 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 belongs to the technical field of medical instruments, and particularly provides a straight-through type artificial cochlea which comprises an in-vitro machine used for converting sound into coded electric signals and an in-vivo machine used for processing the coded electric signals. And a fixing piece for fixing the in-vivo machine in the ear canal is arranged on the in-vivo machine. According to the straight-through type artificial cochlea, the external assembly used for capturing sound and the signal processing in-vivo implantation assembly are integrated in the ear canal, the structure is simple, an incision does not need to be made behind the ear, and operative complications caused by tight contact between an implant and the scalp are avoided. In-vitro functions are customized according to different ear canal shapes, the concealment is good, a patient is not different from a normal person after wearing the ear canal, and the awkwardness after an operation is reduced. The in-vivo machine and the in-vitro machine are detachably connected, and dismounting and mounting are convenient. In addition, the in-vitro machine can be connected with the in-vivo machine through a wireless communication device, and transmission of signals and energy is achieved.

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 application provides a scoring guide wire, a scoring balloon assembly and an interventional device. The scoring guide wire comprises a guide wire shaft and a cutting unit. The cutting unit has an expanded state and a compressed state. The distal end of the cutting unit is fixed to the guide wire shaft, and the proximal end is an expandable ring structure. When the scoring guide wire is combined with a balloon catheter, the distal end of at least part of the balloon catheter enters the interior of the cutting unit through the ring structure. The scoring guide wire of the application is provided with a cutting unit, which is used in combination with a balloon catheter to achieve the function of cutting the balloon. Since the scoring guide wire is separated from the balloon body, the passability and flexibility of the product are better than those of the cutting balloon and other products. When applied to the treatment of moderate calcification lesions in intracranial blood vessels, it is not easy to cause vascular injury and reduce surgical complications. For severe calcification lesions of cardiovascular and peripheral blood vessels, the expansion of plaques can be achieved without the need for additional use of a CTO balloon for pre-expansion, thereby reducing the cost and difficulty of the operation.

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 present invention relates to the field of medical device technology, and in particular to a suture-free blood vessel device, a suture-free artificial blood vessel, and a delivery system. The suture-free blood vessel device comprises a hoop and a skirt, one end of the skirt is fixedly mounted on the hoop, and a side edge of the skirt is provided with an incision for cutting the skirt along its axial direction, and a binding wire is provided at the incision for pulling the incision together and tightening it. The beneficial effect of the present invention is as follows: during surgery, a vascular blocking forceps is used to clamp the hoop, and the hoop and the skirt are inserted along the stump of the descending aorta and then sleeved on the outside of the descending aorta. Then, a stent graft is implanted into the inner wall of the descending aorta, and the binding wire is tightened. The stent graft and the skirt clamp the inside and outside of the descending aorta to achieve a suture-free effect, so that the descending aorta, the stent graft, and the artificial blood vessel can be quickly and tightly connected together, thereby greatly shortening the deep hypothermic circulatory arrest time during surgery and reducing surgical complications.

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.

A method for refining a nerve health assessment model used during surgical procedures, includes accessing a database storing historical patient data; analyzing the historical patient data to generate or update a predictive model configured to estimate at least one of: a predicted post-operative outcome, an individualized target range for an intraoperative nerve function parameter, or a statistical risk profile for surgical complications; obtaining current intraoperative nerve function measurements; receiving actual post-operative outcome data for the current patient; updating the database to include new patient data associated with the current patient; and refining the predictive model based at least in part on the new patient data added to the database.