127 results about "Surgical assistance" patented technology

The invention relates to an operation auxiliary system and method based on image processing, and the method comprises the steps: obtaining a preoperative medical image of a patient, collecting a multispectral imaging medical image of a surface structure, blood flow distribution and tissue elasticity of an operation region in real time, carrying out the image feature extraction after preprocessing, obtaining a preoperative image feature and an intraoperative multispectral image feature, and carrying out the image feature extraction; constructing a biomechanical organ model, updating tissue deformation parameters of the biomechanical organ model, performing space-time alignment on the intraoperative multispectral image features and the biomechanical organ model, generating a three-dimensional enhancement model including vascular topology, lesion boundary and elastic distribution, and superposing the three-dimensional enhancement model to a real-time surgical field image to obtain a real-time surgical field image. Marking the relative position of the surgical instrument and the risk area, generating an intervention signal when the instrument is close to a critical safety distance threshold value, and performing surgical operation by a doctor under assistance. Multi-dimensional intraoperative information is obtained through multi-spectral imaging to construct a high-precision dynamic biomechanical model, and precise navigation and active intervention are achieved in combination with the augmented reality technology.

The invention relates to a mechanical arm tail end variable load dynamics self-diagnosis and compensation method in a quick change form. The mechanical arm tail end variable load dynamics self-diagnosis and compensation method is technically characterized in that a dynamics model is established based on iterative least square online identification; load parameter identification under variable working conditions is carried out based on Jacobian matrix mapping; establishing a hybrid dynamic model including connecting rod rigid body dynamics, connecting rod error compensation dynamics and load dynamics; establishing a variable load dynamical model; when the load at the tail end of the mechanical arm is changed, robot joints are controlled by updating parameters in the hybrid dynamic model; on-line identification and compensation are carried out by collecting sensor data in real time. The method can effectively improve the accuracy and robustness of dynamic representation of the robot when facing various uncertain factors such as connecting rod deformation, variable load and measurement noise, improves the safety and reliability of physical man-machine interaction of the robot, and can be widely applied to the fields of industrial automation, medical operation assistance and rescue robots.

The invention relates to the technical field of robot control and autonomous navigation, in particular to a bronchoscope robot autonomous control method based on deep reinforcement learning. Autonomous navigation of the bronchoscope robot is performed through a deep reinforcement learning training agent, pose data and picture data are acquired in real time by using an electromagnetic navigation technology and an endoscope camera, then data feature extraction and multi-modal data fusion are performed, the data are input to a reinforcement learning agent, and motion output is obtained through a deep network. And finally, three-degree-of-freedom control of the robot is realized. The method has a wide application prospect, and is particularly suitable for the fields of medical robot navigation, artificial intelligence operation assistance and the like. Position data are acquired through electromagnetic navigation, image data are acquired through an endoscope camera, and observation input of deep reinforcement learning is constructed by using a processing method of feature extraction and attention mechanism fusion.

The invention relates to the technical field of visual identification, and discloses an operation stage identification method based on a dynamic data balance strategy, and the method comprises the following steps: S1, collecting operation original data, and carrying out the annotation of the collected original data; s2, preprocessing the annotated original data by utilizing a dynamic data balance strategy so as to form a data set; s3, constructing an Xception-double flow LSTM (Long Short Term Memory) recognition model; and S4, training and optimizing the Xception-double-flow LSTM recognition model by using the data set. According to the method, the problem of bias learning is effectively relieved, the influence of data volume difference on a model learning process is effectively reduced, and deviation is reduced, so that higher classification performance is shown in an operation stage identification task; the method effectively improves the overall recognition precision of the operation stage, can provide more structured support for operation training, quality control and clinical decision making, and further lays a foundation for research and development of an intelligent operation auxiliary system.

The invention provides a clinical surgical auxiliary operation device for cardiovascular intervention, and relates to the technical field of medical instruments. The operating device comprises a positioning structure which comprises a concave frame and two first clamping structures, and the two first clamping structures are arranged at the bottoms of two vertical beams of the concave frame respectively; a positioning through hole is vertically formed in a cross beam of the concave frame, a magnetic spherical rotating body is rotatably arranged in the positioning through hole, and a mounting through hole is vertically formed in the magnetic spherical rotating body and used for being externally connected with a puncture needle; the positioning air bag is arranged in the mounting through hole and used for positioning the puncture needle penetrating through the mounting through hole; the first positioning electromagnet is arranged between the positioning through hole and the magnetic spherical rotating body and is used for positioning the magnetic spherical rotating body after the magnetic spherical rotating body rotates; and the height adjusting assembly comprises a telescopic part and a second clamping structure, the telescopic part is vertically arranged on the upper side of the cross beam, and the second clamping structure is arranged at the top of the telescopic part. According to the operation device, the operation burden of medical staff is greatly relieved.

A medical robot for actuating a medical end effector includes a base; a movable arm connected to the base with at least one arm segment; an end effector connected to the arm with an end effector axis; and a control unit adapted to control the arm. The medical robot has an input mechanism with a neutral axis adapted to detect as input at least one force applied to the input mechanism transversely to the neutral axis in at least two opposite directions and convert the input to a control command for controlling a position and / or orientation of the end effector and / or the arm segment. An axis of the input mechanism is arranged parallel to the end-effector axis and / or to a longitudinal axis of the arm segment. A surgical assistance system, a control method and a computer-readable storage medium can be used with the robot.

The present invention relates to: a medical screw structure for corrective surgery for pectus excavatum deformity, wherein the medical screw structure provides assistance to prevent damage to the heart, which is the central organ of the circulatory system, or the lungs, which are respiratory organs, prior to surgery in which a correction rod for correcting pectus excavatum deformity is inserted between the lungs or heart and the sternum, which compresses the lungs or heart, in a patient having a pectus excavatum deformity; a surgical assistance device set using same; and a surgical method using same. The specific configuration of the medical screw structure includes: a head part (32) in which an annular ring portion (32a) is formed by bending an upper section having a preset thickness and length; a neck part (34) which is connected to the lower end of the head part (32) and extends vertically downward a preset length from the center of the ring portion (32a); and a body part (36) that extends continuously from the lower end of the neck part (34) and, toward the bottom, is curved more in a spiral shape having a preset pitch along the vertical length direction and the circumferential direction for a preset diameter.

Disclosed are an actuation power apparatus and a surgical assistance system. The apparatus comprises: an outer sheath driving unit (11) drivingly connected to an outer sheath adapter (2) for supporting an outer sheath unit (201), and configured to actuate the outer sheath unit (201) through the outer sheath adapter (2); a middle sheath driving unit (12) drivingly connected to a middle sheath adapter (3) for supporting a middle sheath unit (202), and configured to actuate the middle sheath unit (202) through the middle sheath adapter (3); and an inner sheath driving unit (13) drivingly connected to an inner sheath adapter (4) for supporting an inner sheath unit (203), and configured to actuate the inner sheath unit (203) through the inner sheath adapter (4).

The invention comprises: an adapter, to which a surgical instrument can be detachably mounted, and the adapter is provided with a restricted portion; a separator, to which the adapter can be detachably mounted; a retaining body, to which the separator can be detachably mounted; and a driving body, which supports the retaining body in a rotatable manner and applies a driving force to the retaining body, a cylindrical portion for the surgical instrument to pass through is provided on the adapter, and an insertion portion for the cylindrical portion to pass through is provided on the separator, the surgical instrument is retained on the retaining body by means of the separator and the adapter, a restricting portion is formed on the separator, and the restricting portion engages with the restricted portion to restrict the circumferential rotation of the adapter about the cylindrical portion.

The purpose of the present invention is to notify dangerous behaviors during surgery with high accuracy. A program according to one embodiment of the present invention causes a computer to execute: a process for acquiring a surgical image in which a surgical site is captured; a dangerous behavior detection unit that detects a dangerous behavior from the acquired surgical image using a model generated by machine learning of learning data, the input of which is the surgical image and the output of which is information related to the dangerous behavior; and notifying a case where the dangerous behavior is detected, wherein the information associated with the dangerous behavior includes region information of a structure in the surgical image that changes due to the dangerous behavior.

The application relates to a holographic image-based surgical auxiliary system, wherein an image recognition and ranging module is used for capturing panoramic images and obtaining relative position parameter information between each system specified point; a projection mechanism in an imaging glasses module is used for mapping a human body perspective image and the relative position parameter information between each system specified point to a lens on a glasses body; a visual angle image capturing mechanism is used for capturing a visual angle picture of the glasses body; and a master control module is used for adjusting the position and size of the human body perspective image projected to the lens by the projection mechanism in real time according to the panoramic images, the visual angle picture and the relative position parameter information between each system specified point, so as to ensure that the human body perspective image presented on the lens and the corresponding human body structure can be kept coincident in real time. The holographic image-based surgical auxiliary system has the characteristics of convenient operation, good practicability and effective assistance for precise implementation of surgery.

The present application relates to a kind of around rail type surgical auxiliary system and method.The system at least includes the annular floor track arranged around operating table.Multiple degree of freedom mechanical arm moves along annular floor track and is configured to perform the freedom operation in horizontal and / or vertical plane.Multiple degree of freedom mechanical arm is instructed to move along the annular floor track and is instructed to drive to complete the movement of several degrees of freedom.The present application improves the accuracy of risk identification in the process of surgery by the detection warning of multiple degree of freedom mechanical arm in around rail type surgical auxiliary system and the active warning of medical staff.Around rail type surgical auxiliary system is used for the taking and arrangement of surgical instrument on the one hand, and is used for recording the whole process of surgery on the other hand, and the relevant surgical data recorded is identified and judged, so as to form multi-direction, multi-angle warning system in operating room.

The embodiment of the invention relates to the technical field of operation assistance, and discloses a surgical instrument tracking method, device and system and a storage medium, and the method comprises the steps: obtaining video frame images which are continuously shot for a surgical instrument; identifying the video frame images by using a U-Net neural network model with a double-branch decoder to obtain instrument masks and key points of the surgical instruments in each frame image; recent multiple frames of instrument masks and key points are fused to serve as a tracking template, and prediction masks and prediction key points of the surgical instrument in the next frame are obtained based on the tracking template; according to the prediction mask and the prediction key point, the OCT scanning area is adjusted so that the surgical instrument can be located in the OCT imaging view field. Tracking adapts to rapid movement and morphological change of the instrument, and particularly in a complex surgical environment, an accurate tracking result can be provided.

The disclosure relates to a surgical assistance system (1) for use in a surgical procedure on a patient (P), comprising: a recording system (18) adapted to create and, preferably digitally, provide a recording in a first data modality in real time; a neuromonitoring probe (20) adapted to record a signal response of an excited, functional tissue at at least one measurement point (M) on the patient (P) in real time and to provide a measurement signal in a second data modality based on the signal response in real time; a tracking system (32, 34, 36, 38) adapted to determine and provide a location of the recording and a position of the at least one measurement point (M) in real time with reference to a reference coordinate system (40); and a visual display unit (30).and a data processing unit (42) adapted for: storing the position of the at least one measurement point (M) and the measurement signal in a 3D measurement data set, generating an interface (G) based on the at least one 3D measurement data set, and controlling the visual display unit (30) to visually display a first view containing the recording of the first data modality and at least one section (g) of the interface (G), such that a critical boundary to the functional tissue is displayed in the recording of the first data modality. Furthermore, the disclosure relates to a method, a computer program, and a computer-readable storage medium according to the dependent claims.

A surgical assistance system may have a processing unit; and a non-transitory computer-readable memory communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for: obtaining at least one radiographic image of a patient prior to a surgical procedure; image processing the at least on radiographic image of the patient using a parametrized machine learning module; and outputting implant parameter recommendations to an operator of the surgical procedure.

The invention relates to the technical field of joint trauma rehabilitation devices, and discloses a joint trauma minimally invasive surgery auxiliary device which comprises a first clamping plate, a dismounting mechanism is fixedly connected to the top of the first clamping plate, a clamping mechanism is arranged at the top of the dismounting mechanism, and an elastic mechanism is fixedly connected to the left end of the first clamping plate; and the operation assembly comprises a lower clamping cylinder, the lower clamping cylinder is arranged at the top of the first clamping plate, a sliding base is fixedly connected to the left side of the lower clamping cylinder, and a two-way lead screw is rotationally connected to the interior of the sliding base. According to the joint trauma minimally invasive surgery auxiliary device, through the arranged clamping mechanism, the distance between the upper clamping cylinder and the lower clamping cylinder is finally adjusted, through the adjusting mechanism, accurate and comfortable clamping and fixing can be achieved according to different limb thicknesses of patients, and the situation that the patients feel uncomfortable and blood circulation is affected due to too tight fixing is avoided; or the rehabilitation supporting effect is not good due to too loose fixation, and smooth proceeding of the postoperative rehabilitation process cannot be effectively guaranteed.

A method for generating surgical assistance data, performed by at least one processor, according to the present invention, may comprise the steps of: acquiring, from a medical staff terminal, patient information and first image data, second image data, and third image data corresponding to a treatment region of a patient; generating a three-dimensional modeling image on the basis of the first image data and the second image data; registering the three-dimensional modeling image with the third image data and placing the registered images in a single spatial coordinate system; generating surgical assistance data on the basis of the registered images and the patient information; and transmitting the surgical assistance data to the medical staff terminal.

The present invention relates to the field of biometric recognition technology, and specifically to a minimally invasive thoracoscopic surgery guidance assistance system for mediastinal tumors. It includes an acquisition module for acquiring electronic medical record information and acquiring chest CT images and ultrasonic waveforms in real time through an ultrasonic detector; a medical record analysis module for determining the complexity of the medical record based on keywords in the electronic medical record information; a CT analysis module for determining the degree of movement and deflection of the thoracoscope's viewing angle at the current moment; a waveform analysis module for determining the similarity between the ultrasonic waveform and the preset structural waveforms of different structures, and then determining the structural expression; a reminder module for determining the sensitivity of the viewing angle of the thoracoscope at the current moment based on the complexity of the medical record, the degree of movement and deflection, and the structural expression, and performing surgical operation assistance reminders based on the sensitivity of the viewing angle. The present invention can effectively improve the reliability of surgical assistance.

An adapter and a surgical assistance system are provided. The adapter includes a base including a bracket, a first input shaft and a second input shaft; a rotating base rotatably provided on the bracket and a rotating base transmission assembly including a first ring gear, where the first input shaft is in transmission connection with the first ring gear which is fixed with respect to the rotating base; and a catheter system drive assembly provided on the rotating base and a catheter system transmission assembly including a second ring gear and a planet gear, where the second input shaft is in transmission connection with the second ring gear, the second ring gear is in transmission connection with the planet gear, a shaft of the planet gear is fixed on the rotating base, and the planet gear is configured to drive the catheter system drive assembly. The adapter provided in the present disclosure can achieve two types of remote operations on the catheter system via two sets of relatively independent transmission assemblies, so as to improve the working environment of medical staff and shorten the learning curve of doctors.

The application relates to the technical field of surgical intelligent assistance, and relates to an auxiliary analysis system for ureteroscopy and a storage medium. A computer readable storage medium stores a computer program, the computer program comprises program instructions, and the program instructions enable a processor to execute the following steps when the program instructions are executed by the processor: using a medical detection device to perform preoperative examination on a patient for ureteroscopy to obtain preoperative detection information; obtaining a multi-feature fusion image according to the preoperative detection information; introducing a light emission mechanism and a model rendering method to combine the preoperative detection information and the fusion image to construct a three-dimensional model and obtain a three-dimensional simulation model of the patient; and formulating a ureteroscopy scheme based on the preoperative detection information, the multi-feature fusion image and the three-dimensional simulation model to realize surgical auxiliary analysis and guarantee surgical safety. The application forms a closed loop of preoperative examination, information analysis, model construction and scheme formulation, realizes intelligent surgical assistance, and improves surgical safety and success rate.

An exemplary contextual assistance system identifies, during a surgical procedure, an operational context of the surgical procedure while a particular object is present at a surgical site depicted by a first version of an image. Based on the identified operational context, the contextual assistance system augments a depiction of the particular object within a second version of the image that is presented to a user associated with the surgical procedure. Corresponding systems and methods are also disclosed.

The invention provides an auxiliary fixing device for craniocervical shoulder surgery, and relates to the technical field of medical instruments.The auxiliary fixing device for craniocervical shoulder surgery comprises an adjusting supporting device, a head fixing device, a shoulder fixing device and a neck fixing device, and the adjusting supporting device is detachably arranged on a bed frame of an operating bed; the head fixing device is arranged on the adjusting and supporting device, the shoulder fixing device is arranged on the head fixing device, and the adjusting and supporting device can adjust the relative position of the head fixing device and the shoulder fixing device; the neck fixing device is arranged on the table top of the operating bed; the head fixing device, the shoulder fixing device and the neck fixing device are combined into a whole, on one hand, the device is suitable for different body positions of a patient and convenient to use, on the other hand, the head, the shoulders and the neck of the patient can be fixed at the same time, fixing is stable, the screw placement risk in the spinal surgery robot surgery is reduced, and the surgery effect is effectively guaranteed.

A surgical assistance device (10) has a ring band (12) that is worn on a surgeon's finger from which opposed clasp jaws (20, 30) extend. The opposed clasp jaws (20, 30) define a channel (40) configured to receive a guidewire (70) to be inserted into a patient's bone. The surgeon locates a desired entry point for the guidewire (70) with his or her finger on which the ring band (12) is worn, and thereby positions the channel (40) of the device (10) to receive the guidewire (70) so that such guidewire (70) when inserted through the channel (40) is directed in the desired entry point and into the patient. The surgeon maintains his or her finger at the desired location during guidewire (70) insertion, and then detaches the device (10) from the installed guidewire (70) by separating the opposed clasp jaws (20, 30).

The invention discloses an intraoperative information prompting method, device and system and a medium, and belongs to the technical field of medical assistance. The method comprises the following steps: acquiring various input features; for each type of input features, performing statistical feature aggregation on data in a time window according to a window refresh cycle corresponding to the input features so as to update a target context; when a triggering operation of an information prompt is received, performing semantic processing on the target context to obtain a standard semantic representation; semantic routing is carried out based on the standard semantic representation, a semantic prompt sub-model matched with the current operation intention is activated, and an information prompt result in the operation is obtained. According to the scheme, the neural network model can identify real and effective information more easily, and the accuracy of information prompt of the operation auxiliary system is improved.

A sheath adapter for a surgical assistance system includes a support frame, a telescopic rod assembly and a cap. The rod assembly includes a movable shaft and a rotating shaft which has a first end rotatably connected to the support frame and a second end slidably connected to a first end of the movable shaft. The cap includes a groove for receiving a knob and is connected to a second end of the movable shaft. The rotating shaft is rotatable to cause the rotation of the cap via the movable shaft. The movable shaft is slidable in an axial direction to adjust the position of the cap relative to the support frame. The sheath adapter and the rod assembly are configured to form clearance to allow placement of a surgical instrument on the support frame and attachment of the knob of the surgical instrument via the cap to allow assembly.

A surgical assistance device has a ring band that is worn on a surgeon's finger from which opposed clasp jaws extend. The opposed clasp jaws define a channel configured to receive a guidewire to be inserted into a patient's bone. The surgeon locates a desired entry point for the guidewire with his or her finger on which the ring band is worn, and thereby positions the channel of the device to receive the guidewire so that such guidewire when inserted through the channel is directed in the desired entry point and into the patient. The surgeon maintains his or her finger at the desired location during guidewire insertion, and then detaches the device from the installed guidewire by separating the opposed clasp jaws.

The purpose of the present invention is to notify the resection state of an object to be resected with high precision during surgery. A program according to one embodiment of the present invention causes a computer to execute: a process for acquiring a surgical image in which a surgical site is captured during a surgery in which an object to be resected is resected; a detection unit that detects a resection state of the object to be resected from the acquired surgical image using a model generated by machine learning of learning data that is input as the surgical image and output as information relating to resection completion; and notifying the state of resection of the object to be resected, wherein the information related to resection completion includes information on the region of the organ appearing in the surgical image when the object to be resected is resected.

The invention discloses a surgical auxiliary service supervision system, which relates to the field of service supervision and comprises a surgical auxiliary supervision platform which is provided with a service management module, a risk prediction module, a surgical monitoring module, an auxiliary analysis module and a surgical management module. The service management module is used for obtaining patient medical record information, service medical record information and historical service supervision information, and constructing a data storage model according to the obtained information; the risk prediction model is used for performing risk prediction according to the information in the data storage model to obtain risk assessment data; the operation monitoring module obtains operation monitoring data according to the risk assessment data; the auxiliary analysis module sets auxiliary monitoring evaluation standard data corresponding to the operation process according to the data storage model, and obtains corresponding auxiliary analysis data according to evaluation analysis; the operation management module is used for generating operation response data according to the auxiliary analysis data; according to the invention, the accuracy of the service supervision process is improved to a certain extent.

The utility model provides an operation assisting device and a medical system, and belongs to the technical field of medical instruments, the operation assisting device comprises a lower jaw bearing assembly used for stabilizing and lifting the lower jaw part of a patient; the head fixing assembly works in cooperation with the lower jaw bearing assembly and is used for stabilizing the head of the patient; wherein the head fixing assembly comprises a clamping mechanism, a flexible gasket is arranged on the clamping mechanism, and the flexible gasket is in contact with the head of the patient. According to the utility model, the operation safety and comfort can be effectively improved.