3963 results about "Restorative surgery" patented technology

The invention relates to the technical field of image processing, and discloses an AR technology-based precise positioning method and system for minimally invasive surgery of hepatobiliary surgery. The method comprises the steps that blood vessel network data are extracted through a medical image sequence, a three-dimensional structure diagram is generated, operation target points are marked, and a coordinate system is established; collecting dynamic data for mapping matching, and establishing a real-time tracking model; constructing an augmented reality scene and implanting a navigation path; acquiring an instrument position calculation track, and comparing with a navigation map to generate an instruction; constructing a projection interface to display the key area; recording the whole process and evaluating the operation quality. By establishing the real-time tissue deformation tracking model, a multi-source data fusion accurate positioning mechanism and an intelligent operation quality evaluation system, the accuracy and reliability of operation navigation are effectively improved.

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

The present disclosure provides a surgical instrument, which comprises a lockout assembly that can be unlocked by a surgical staple cartridge, wherein the lockout assembly prevents a pair of closure plates and a firing bar of the surgical instrument from advancing distally when in a locked position, and allows the pair of closure plates and the firing bar to advance distally when in an unlocked position.

The present disclosure provides a staple cartridge for a surgical instrument having a staple and a staple pusher. The staple pusher has a recess forming a pocket in its top surface for receiving at least the backspan of the staple. The pocket is at least partially surrounded by a circumferential supporting element in the staple pusher body to support the backspan. The pocket provides additional vertical space and support for the staple such that a smaller staple cartridge may provide a substantially similar performance as conventional staple cartridges, allowing for a more compact and maneuverable surgical instrument. In addition, the pocket in the staple pusher allows for a staple having a larger bend radius than conventional staples, thereby providing additional support for the staple and minimizing malformation of the staple during use.

The embodiment of the invention discloses an oral and maxillofacial surgical image recognition and diagnosis method and system based on deep learning, and the method comprises the steps: firstly obtaining an oral and maxillofacial three-dimensional image data set of a target patient, then carrying out the image feature extraction processing of the three-dimensional image data set, and obtaining a hierarchical image feature set; comprising local anatomical structure features and global spatial distribution features, and then calling a pre-trained multi-scale feature fusion network to perform multi-scale feature fusion on the hierarchical image feature set to generate a fusion feature map. And performing focus area identification processing based on the fusion characteristic spectrum, determining position information and form description information of an oral and maxillofacial abnormal area of the target patient, generating a diagnosis report according to the position information and form description information of the oral and maxillofacial abnormal area, and transmitting the diagnosis report to medical terminal equipment for display. Therefore, the accuracy and efficiency of oral and maxillofacial surgery image diagnosis are improved.

A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

A surgical anchor device for being anchored on the mucous membrane of the inner wall of the intestine, the device having a temporary anchor element presenting anchoring that can be modified in a controlled manner and having a first substantially cylindrical multiply-perforated wall presenting properties of radial elasticity whereby the first wall presents an outer diameter that can be varied in controlled manner, wherein a portion of the inner surface of the first wall is lined with an independent leakproof inner sheath having only its longitudinal ends fastened to the anchor element to define a suction chamber between the inner sheath and the first wall, the temporary anchor element being coupled to a flexible or semi-rigid tube extending outside the anchor element, an open end of the injection-suction tube opening out into the suction chamber enabling air to be injected into or sucked out from the suction chamber.

The invention discloses an intelligent cavity operation navigation method and system based on multi-mode perception fusion, and relates to the technical field of surgical medical treatment. Firstly, bionic instrument posture data and cavity environment data are obtained; then, based on the bionic instrument posture data and the orifice environment data, the target curvature of each section is calculated through a bionic kinematics model, and the magnetorheological fluid pressure is dynamically adjusted to control the local rigidity; meanwhile, the cavity point cloud topological graph is converted into an obstacle density graph, and path weight matrixes of different paths are quantified based on a swarm intelligence algorithm; and finally, according to the target curvature, the local rigidity and the path weight matrix, driving a bionic instrument to execute compliant motion and cooperative obstacle avoidance operation. According to the method, multi-modal data (curvature, rigidity and contact force) are fused through a bionic kinematics model, navigation deviation correction is achieved in combination with a curvature-force nonlinear mapping model and three-dimensional Euclidean distance monitoring, and the navigation precision is improved in combination with a path re-planning mechanism.

The invention provides a recombinant XVII type collagen and application thereof, and relates to the technical field of protein engineering. The novel recombinant human XVII type collagen is obtained by optimizing and screening collagen structural domain sequences of the human XVII type collagen and then combining the sequences. The recombinant human XVII type collagen is consistent with the corresponding part of the amino acid sequence of the human XVII type collagen, does not generate immunological rejection when being applied to a human body, and can be widely applied to the industries of surgical medical treatment and medical beauty. In addition, the recombinant human XVII type collagen is high in stability, and the problem of protein degradation in the process of expressing recombinant protein by pichia pastoris can be avoided. In addition, the recombinant human XVII type collagen also has the effects of high biological activity, high biological safety, promotion of cell proliferation and differentiation and promotion of hair growth, and can be applied to the field of cosmetics or medicines as a functional component.

Apparatus and methods are described for use in securing a first bone relative to a second bone using a pair of surgical staples or, alternatively, a surgical staple and a bone screw. When a pair of staples are used, one of the legs of one of the staples may pass between the legs of the another of the staples. When a staple and a bone screw are used, the bone screw may pass between the legs of the staple. A guide tool can be used during the drilling of the holes for the legs of the staples or the legs of the staple and a bone screw. The guide tool provides guides for drilling guide holes for the staples or for the screw and staple.

The present disclosure provides a staple cartridge for a surgical instrument, such as a tissue sealing instrument. The staple cartridge includes a housing and one or more staple assemblies within the housing. The staple assemblies each include one or more staple pushers and associated staples. The staple pushers and housing include coupling elements configured to cooperate with each other to retain the staple assemblies to the housing prior to use in surgery. The coupling elements, along with other components of the cartridge and instrument, result in a smaller staple cartridge relative to conventional devices, allowing for a more compact and maneuverable surgical instrument.

The invention provides an anorectal surgery postoperative care rehabilitation evaluation method and system. Wherein a vibration sensor is constructed through a machine tool machining vibration monitoring technology, vibration frequency offset of the dressing after absorbing wound seepage is detected in real time, and the vibration frequency offset is associated with dressing weight variation; meanwhile, an optical scattering measurement technology is adopted for carrying out scattering spectrum analysis on wound exudate, and the protein concentration index is analyzed. And carrying out time sequence correlation on the weight change data corresponding to the vibration frequency offset and the protein concentration index to generate a seepage component dynamic change curve. And through a wireless transmission unit in the remote measurement system, performing remote synchronous comparison on the dynamic change curve and a preset healing stage reference curve, and when the vibration frequency offset exceeding the standard seepage amount continuously appears in the curve and the protein concentration index breaks through the threshold range, triggering a remote early warning signal of wound healing abnormity. According to the technical scheme provided by the invention, the nursing rehabilitation efficiency and precision are improved.

The invention discloses a surgical instrument, and belongs to the field of medical instruments. The surgical instrument comprises a handle assembly, the handle assembly comprises a handle shell and a driving assembly located in the handle shell, and the driving assembly is suitable for providing driving force for an end executing assembly; the manual reset assembly is suitable for being matched with a clutch wrench, and the clutch wrench can be operated to release the transmission connection of the driving assembly through the manual reset assembly; the shielding shell is detachably arranged on the outer side of the handle assembly in a covering mode; the clutch transmission part is arranged on the shielding shell, the clutch transmission part comprises a clutch trigger rod, the near side end part of the clutch trigger rod is in transmission connection with the clutch wrench in an operable mode, and the far side end part of the clutch trigger rod is in transmission connection with the manual reset assembly in an operable mode. Manual resetting of the surgical instrument is safe and reliable, part of structures can be reused, and reused components make sterile contact with the outside in the manual resetting process.

Adapters for surgical drilling systems, and methods of use, are provided for performing surgical procedures, such as surgical drilling into bony structures, while guided by a conductivity sensing system. The adapters may be configured to be coupled to a surgical drilling tool such as a conventional surgical drill and a drill bit having conductivity sensing capabilities, or a surgical hand tool having conductivity sensing capabilities. The adapters further include a controller configured to receive one or more signal indicative of measured electrical conductivity and / or penetration depth measurement, detect a condition associated with a change of measured electrical conductivity based on the signal, and arrest advancement of the surgical drilling tool responsive to detection of the condition.

The invention discloses a calculation method and system for the optimal placement orientation of an acetabular cup in a total hip joint operation, and belongs to the field of surgical instruments. The calculation method comprises the steps that CT data of a patient is obtained, a three-dimensional model is constructed, point locations in the three-dimensional model are recognized, a three-dimensional coordinate system is established according to a pelvis mark point and a femoral head rotation center point, and the optimal placement orientation of the acetabular cup is calculated; and determining the initial position of femoral motion according to the femoral head rotation center point and the femoral mark point. And drawing a space femoral neck movement range according to the femoral form and a preset hip joint movement range. The centroid of the curved surface is calculated based on the space femoral neck movement range, the rotation center point of the femoral head serves as the starting point and extends towards the centroid to form a ray, and the orientation of the ray in three-dimensional coordinates serves as the optimal placement orientation of the acetabular cup. According to the method, the individualized thighbone shape and the joint movement range of a patient are considered, the optimal acetabulum orientation is given according to different prostheses, and a definite operation target and guidance are given to an operator, so that the dislocation risk after hip replacement is reduced, and the acetabular cup placement reliability is greatly improved.

The invention provides a micromolecular recombinant XVII type collagen as well as a preparation method and application thereof, and relates to the technical field of protein engineering. The novel recombinant human XVII type collagen is obtained by optimizing and screening a plurality of spiral region sequences such as a collagen structural domain, a C-terminal region and a middle region of the human XVII type collagen. The amino acid composition of the recombinant XVII type collagen is consistent with that of a natural collagen alpha1 chain, immunological rejection is not generated when the recombinant XVII type collagen is applied to a human body, the recombinant XVII type collagen can be widely applied to surgical medical treatment and medical beauty industries, the molecular weight of the collagen is small, efficient secretion soluble expression in eukaryotic host cells such as pichia pastoris can be achieved, and the recombinant XVII type collagen has a good application prospect. And industrial large-scale production is carried out. According to the present invention, the verification results show that the micromolecular recombinant XVII type collagen further has basement membrane anti-aging activity, wherein the basement membrane anti-aging activity specifically comprises the improvement of the expression levels of the IV type collagen, the VII type collagen and the XVII type collagen;

The invention discloses an intelligent auxiliary training system based on postoperative rehabilitation activities of hepatobiliary and pancreatic surgery, and relates to the technical field of postoperative rehabilitation training.The intelligent auxiliary training system comprises a multi-source data acquisition module used for periodically or real-timely acquiring multi-type feature data related to postoperative rehabilitation; the feature processing and weight adjusting module is used for performing unified processing on the feature data; the index-action causal map construction module is used for constructing a causal association structure between the physiological indexes and the rehabilitation training actions in the input feature data; the graph neural network inference module outputs a graph neural network embedded tensor through a graph attention mechanism; the rehabilitation action risk calculation module is used for calculating the risk score of each candidate rehabilitation action at the current moment; the action screening and high-risk generation module is used for bringing the rehabilitation actions of which the risk values exceed a threshold value into a high-risk action set and marking the rehabilitation actions; according to the invention, the rehabilitation recommendation better conforms to the dynamic characteristics of postoperative changes of the patient.

A surgical stapling instrument is configured to dissect tissue, apply a linear staple line along one side of the tissue dissection and apply a suture, such as a purse string suture, to the other side of the tissue dissection. The instrument comprises an elongate shaft, first and second jaws configured to open and close and a cutting element. The instrument includes a first row of staples in each of the first and second jaws having a suture extending therethrough and a second row of staples in the second jaw. A drive member is configured to translate distally through the end effector to dissect tissue with the cutting element, drive the second row of staples into the tissue on one side of the dissection and to apply the first row of staples and suture in combination to form a purse string suture on the other side of the tissue dissection.

Surgical systems and methods for tracking physical objects near a target site during a surgical procedure are provided, the surgical system employs a navigation system and a surgical instrument; an instrument tracker is provided on the surgical instrument and a patient tracker is provided on the patient's target tissue; the system and method is configured to detect an error condition compromising accuracy of the navigation guidance and to track and monitor a tool-to-bone offset.

Surgical stapling instruments include mechanisms for identifying and / or deactivating stapler cartridge for use with the instruments. The stapling instrument includes a drive member for actuating a staple cartridge and a locking member movable from a disabled position permitting distal translation of the drive member through a staple firing stroke, to a locking position inhibiting distal translation of the drive member through the staple firing stroke. The staple cartridge may include a switch for maintaining the locking member in the disabled position. The switch may be further configured to operate as a reload detection mechanism for determining the type of reload present in the surgical stapling instrument.

A rotary tool includes a tool body and a powered rotary cutting tooltip that is oriented and positioned relative to the tool body by a plurality of processor-controlled actuators that provide degrees of freedom. The processor uses a surgical tracking system to identify the pose of the tool body and the tooltip relative to a patient's anatomy and controls the actuators to maintain the tooltip within a predetermined cutting plan to compensate for deviation of a surgeon's hand or a robotic arm controlling the tool body during a cutting operation.

The invention relates to an intelligent surgical postoperative drainage device and method based on drainage induction monitoring, an intelligent induction device is arranged on a drainage ball and is provided with a display, a sensor, a controller and the like, and the amount and color monitoring of drainage liquid can be displayed in real time through gravity and other built-in induction and reported to the background. The drainage amount can be directly displayed on the drainage ball, the drainage ball can also be connected to a mobile phone applet, the color and amount of drainage liquid of a patient are recorded in real time, and background statistical analysis is conducted. And the maximum drainage amount can be set, and if the maximum drainage amount per hour is exceeded, the app gives an alarm prompt. The APP not only can meet the patient demand of observing the drainage volume in a hospital and at home, but also can be logged in by medical care and the patient at the same time, thereby facilitating follow-up observation of doctors. Remote online monitoring of the drainage state (color and magnitude) can be achieved, nursing resources can be saved, the drainage state of a patient can be monitored online at the background, intelligent drainage operation is achieved, and home drainage use and follow-up visit are facilitated.

The invention involves a system and method for increasing positional accuracy of surgical systems that utilize magnetic or electromagnetic sensors to provide positional awareness to a surgeon or robot performing the surgery. The system takes advantage of electromagnetic tracking through sensors. These sensors are very accurate and repeatable, while being compact enough to not inhibit surgical procedures. The accuracy and repeatability of the sensors is <1 mm within a predetermined 6 inch×6 inch performance motion box. The system is constructed and arranged to map the distortion patterns of the sensor and, in real time, correct the distortion pattern to provide accurate location of anatomical structures for performance of a surgery.

Provided is a surgical instrument including an end tool that includes a jaw having a first jaw and a second jaw formed to face the first jaw, a first jaw pulley coupled to the jaw and formed to be rotatable around a first shaft, an opposing pulley formed to be rotatable around a shaft substantially the same as or parallel to the first shaft and formed to be spaced apart from the first jaw pulley by a certain extent, and a staple drive assembly including one or more staple pulleys at least partially formed between the first jaw pulley or the opposing pulley, a cartridge that includes a reciprocating assembly connected to the staple drive assembly and configured to move linearly in response to a rotational movement of the one or more staple pulleys, and an operation member that may be in contact with the reciprocating assembly and formed to move in one direction by the reciprocating assembly when the reciprocating assembly may move in the one direction, and a retraction wire connected to the operation member and formed to pull the operation member toward a proximal end of the jaw.

The invention relates to the technical field of medical hygiene, and particularly discloses a hygiene visual intelligent monitoring and guiding system suitable for surgical hand disinfection, hand motion data is collected by fusing a multi-modal motion capture module with a depth camera and an inertial sensor, and a high-risk area identification module analyzes the risk of microbial residues in finger seams and fingernail edges. The three-dimensional motion modeling module constructs a biomechanical model to calculate a trajectory, the dynamic compliance guiding module marks deviation in real time through optical projection, the multi-source data fusion module integrates a risk value and a spectral data evaluation effect, and the intelligent decision engine module outputs an operation matching degree and a correction instruction based on a neural network. Omnibearing monitoring, accurate risk assessment, real-time action guidance and quantitative effect evaluation of the hand disinfection process of an operator are realized, the standardization and effectiveness of surgical hand disinfection operation are finally improved, and the infection risk of a surgical site is reduced.

The invention discloses a filtering device for reinfusion after external drainage of bile in the hepatobiliary surgery department, and belongs to the technical field of medical instruments. The filtering device comprises a drainage mechanism, a stepped filtering mechanism and a reinfusion mechanism. The stepped filtering mechanism is used for filtering bile; the stepped filtering mechanism is detachably connected with the drainage mechanism and the feedback mechanism. The stepped filtering mechanism comprises a filtering carrier, a filtering cavity and a pumping mechanism used for pumping bile to the filtering cavity are arranged in the filtering carrier, a primary screen, a hollow fiber membrane and a hydrophilic gel filtering membrane are sequentially arranged in the filtering cavity from top to bottom, and a cleaning mechanism used for cleaning the primary screen is arranged on one side of the primary screen. An ultrasonic vibration module for cleaning attachments on the hollow fiber membrane is arranged on one side of the hollow fiber membrane. By means of the intelligent design and the multi-stage filtering mechanism, the bile feedback efficiency and safety are remarkably improved, and the infection risk is reduced.

An augmented reality (AR) display system for a surgical environment includes a wearable AR display device, a scope, and processing circuitry. The wearable AR display device is configured to be worn by a surgeon and provide AR imagery to the surgeon. The scope is configured to be inserted into a patient. The processing circuitry is configured to obtain real-time image data from the scope, X-ray image data of the patient, and navigation data for a surgical procedure of the patient. The processing circuitry is also configured to generate an AR environment that includes the real-time image data, the X-ray image data, and the navigation data. The processing circuitry is also configured to operate the wearable AR display device to provide the AR environment including the real-time image data, the X-ray data, and the navigation data as the AR imagery.

An assembly including an adapter assembly and an extension assembly for connecting an end effector to an electrosurgical instrument is provided. The adapter assembly includes first and second pusher assemblies configured for converting rotational motion into linear motion and a drive member for transferring rotational motion. The extension assembly includes at least one flexible band assembly for transferring the linear motion from the adapter assembly and a trocar assembly configured for converting rotational motion into linear motion. Also provided is a connection assembly for connecting a first tubular member to a second tubular member.

The invention discloses a maxillofacial surgery postoperative curative effect monitoring system, which relates to the technical field of medical diagnosis and comprises a data collection module, a transmission module, a data processing module, an interaction module and a recovery suggestion module, the data collection module comprises a face collection unit, an occlusion unit and a voice unit, the data collection module is used for being regularly worn by a postoperative patient, the face collection unit scans the maxillofacial surface of the patient, the occlusion unit is used for the patient to occlude and collect occlusion data, and the voice unit is used for collecting sound of the patient; uploading the collected data to a transmission module; and the transmission module uploads the acquired data to the interaction module based on the Internet of Things mode. According to the method, abnormal fluctuation or potential problems in the recovery process are found in time through data uploaded regularly, rehabilitation training plans and diet suggestions are customized for patients, or review time is adjusted for personalized treatment schemes, and the pertinence and effectiveness of treatment are improved.