8496 results about "Endoscope" patented technology

Apparatuses (e.g., devices, systems, etc.) and methods that may provide access to one or more tools to a remote site in the body including expandable and external working channels that may be part of a tube that is coupled to an outer surface of an elongate medical device, such as an endoscope.

The invention discloses a thyroid intraoperative real-time navigation method and a thyroid intraoperative real-time navigation system based on multi-mode optical fusion. The thyroid intraoperative real-time navigation method comprises the following steps: outputting visible light through an endoscope and coupling light waves of a narrow-band multispectral light source to irradiate an operative field, exciting parathyroid glands to generate near-infrared fluorescence, and receiving reflected visible light, split light, near-infrared fluorescence and laser speckle signals through an endoscope probe. And separating the composite optical signal into four channels, and respectively generating an anatomical structure color image, a blood vessel spectroscopic image, a parathyroid gland near-infrared fluorescence image and a laser speckle image. Performing decorrelation processing on the laser speckle image to generate a blood flow dynamic pseudo-color decorrelation speckle image; an anatomical structure, a blood vessel center line, a parathyroid gland contour and blood flow dynamic feature points are extracted through a multi-modal registration technology, after affine transformation space alignment is conducted, a comprehensive imaging map containing the anatomical structure, blood vessel distribution and parathyroid gland function marking information is generated through a wavelet fusion algorithm, and intraoperative multi-dimensional real-time tissue navigation is achieved.

The invention provides a laparoscopic surgery scene three-dimensional reconstruction method and system based on three-dimensional Gaussian sputtering, and relates to the field of scene three-dimensional reconstruction. According to the method, whether a color image frame at the current moment is a key frame or not is judged, a dynamic or static scene optimizer is started, then a pose optimizer is started, the two optimizers are alternately and iteratively operated until the two optimizers converge, and accurate camera pose and tissue deformation information can be estimated at the same time. The designed three-dimensional reconstruction framework can establish a three-dimensional model of the whole environment under the condition that only the local in-vivo environment and tissue deformation are shot, and the defect that the visual field of the endoscope is limited is overcome. Besides, depth map information providing geometric surface information is introduced and is used for supervising center point coordinates of 3D gausses, so that the center point coordinates are bound around the surface, the three-dimensional reconstruction precision of the tissue surface is greatly improved, geometric priori is provided for all 3D gausses by adding the depth map, and 3D Gaussian density adjustment does not need to be carried out.

A handheld endoscope has a disposable, single-use portion that includes a distal tip, cannula, housings, and a proximal port that is connected to a substantially straight working channel. The cannula is rotatable about the main longitudinal axis of the cannula. The endoscope also includes a re-usable portion that has a handle and display module. The single-use and re-usable portions mate and un-mate with each other via physical side-mounting arrangement as well as separate electrical connectors. The handle can house imaging system electronics that support manual and auto imaging modes which can be selected via touch screen control on the display module. The re-useable portion is sealed with various o-rings and / or gaskets and can be highly fluid resistant to facilitate disinfecting and / or sterilization.

A steerable instrument has a tube (3) extending in a longitudinal direction. The steerable instrument has a proximal end and a deflectable distal end. The tube (3) has a steering wire (16(j); 120, 130) which is made from the tube (3), separated by a slotted structure from the remainder of the tube (3), attached to the deflectable distal end and is movable in a longitudinal direction of the tube (3) such as to deflect the deflectable distal end The steering wire (16(j); 120, 130) has flexible portion located in a flexible zone (13) of the steerable instrument which is implemented by a series of adjacent chain links (1301(k); 1401(k); 1501(k); 1601(k); 1701(k)).

The invention belongs to the technical field of medical image three-dimensional reconstruction, and discloses an abdominal cavity reconstruction and focus positioning method based on a binocular endoscope, which comprises the following steps of: calibrating and correcting internal reference of the binocular endoscope; inputting the trained depth estimation network to obtain a disparity map and processing the disparity map into a picture according to frames; the luminosity error is minimized through a coarse-to-fine pyramid optimization method, and a transformation matrix of the endoscope pose between two continuous frames is calculated through nonlinear iterative optimization; light beam adjustment optimization is carried out on the motion trail of the endoscope, a depth map is superposed, outliers are removed, and three-dimensional reconstruction of the abdominal cavity tissue is achieved; recognizing a focus, extracting three-dimensional information according to the disparity map, and visually guiding the operation arm to move to a focus point in combination with a calibrated hand-eye matrix so as to realize positioning. According to the method, rapid and dense three-dimensional reconstruction of the peritoneal environment before the operation and accurate focus positioning based on visual guidance during the operation are realized, the accuracy of motion track estimation of the endoscope is improved, and autonomous development of the surgical robot is expected to be promoted.

In a method of using a structured-light based system, real-time 2D images of a portion of a field of view are captured using an endoscope. A portion of an object in the field of view is illuminated with a structured light pattern, and light reflected from the field of view is detected.From the reflected light, a 3D image of the field of view is constructed, and 3D locations of points on a surface of the object are determined. The real time 3D spatial position of the endoscope and / or a surgical tool is determined. If a distance between the surface the endoscope and / or surgical tool, as determined using the 3D spatial position, falls below a predetermined distance, an alert is generated to notify a user.

The invention discloses an ultrasonic endoscope navigation system and method based on deep learning, and relates to the field of medical image analysis, and the system comprises a parallel encoder module which is used for extracting local features of an ultrasonic endoscope image through a CNN branch, and capturing global context information through a Transform branch; the channel attention fusion module is used for carrying out adaptive weighted fusion on the extracted features; a decoder module that generates an anatomical structure segmentation mask based on the fused feature; the time sequence processing module is used for receiving the frame-by-frame segmentation result output by the decoder module and realizing time sequence coherence analysis of the ultrasonic endoscope video through a bidirectional LSTM network; and the multi-modal fusion module is used for carrying out registration and fusion on the ultrasonic endoscope images. According to the scheme, a high-reliability artificial intelligence auxiliary tool can be provided for early screening of pancreatic cancer, meanwhile, the learning threshold and clinical application cost of the ultrasonic endoscope technology are reduced, and popularization of the ultrasonic endoscope technology in basic medical institutions is promoted.

The invention provides an intelligent endoscope monitoring method and system and a medium, and belongs to the technical field of instrument monitoring and control. The method comprises the following steps: collecting endoscope monitoring information in a preset time period, and extracting data such as disinfectant concentration and temperature field information; a three-dimensional temperature field model is constructed according to the temperature field information, and cleaning progress data is preprocessed; constructing a cleaning effect evaluation model based on the multi-source data, and if an evaluation result does not reach the standard, generating a control instruction; cleaning and disinfection parameters are automatically adjusted according to the instruction, and alarming or equipment locking is triggered; and finally, the monitoring data is encrypted and stored according to a timestamp, a traceable cleaning and disinfection record is generated, and two-dimensional code authentication viewing is supported. According to the system, intelligent monitoring of the endoscope cleaning and disinfecting process can be achieved, and safety and traceability are improved.

The invention provides an esophagus pressure measuring method, system and device based on big data, and relates to the technical field of medical image processing, and the method comprises the steps: obtaining historical detection data; performing three-dimensional reconstruction processing according to the historical detection data to obtain a three-dimensional model set; performing feature extraction according to the three-dimensional model set, and integrating to obtain a structural feature set; performing simulation processing according to the structural feature set to obtain an esophageal pressure labeling data set; performing model construction processing according to the esophageal pressure labeling data set and the structural feature set, and obtaining an esophageal pressure prediction model by analyzing a mapping relation between esophageal structural features and local pressure and training a neural network model; and performing prediction processing on the real-time endoscope video based on the esophageal pressure prediction model to obtain an esophageal pressure real-time prediction value. Through direct analysis and three-dimensional reconstruction processing of endoscope video data, in combination with deep learning and mechanical simulation methods, non-invasive real-time prediction of esophageal pressure is realized.

The invention provides a control system and method for an oral surgery robot, and relates to the field of intelligent control, and the method comprises the steps: firstly obtaining thin-layer CT scanning data covering neck and throat regions, constructing a throat three-dimensional model, then collecting a surgery view three-dimensional image through a 3D endoscope, and carrying out the 3D image collection; performing semantic-level dynamic registration based on visual features on the three-dimensional model of the throat, determining pose information of the oral surgical robot, outputting a next target pose point of the oral surgical robot in combination with the pose information and a pre-operative planned surgical resection path, and finally determining the target pose point of the oral surgical robot on the basis of the target pose point. And generating a joint control instruction of the oral surgical robot. Therefore, the navigation preparation time in the operation is shortened, the high consistency of the motion track of the mechanical arm and the focus resection path is ensured, and the track deviation risk caused by registration deviation of a traditional system can be fundamentally solved.

A targeting device (9) for the targeted guidance of a hollow needle (17) with an endoscopic-surgical operation. The targeting device (9) is fastened or can be fastened to an endoscopy unit (1) which extends essentially in an endoscopy longitudinal axis (L) and defines a viewing region (11). The targeting device (9) defines a plurality of hollow needle guides (21). Each of the hollow needle guides (21) each extends towards the viewing region (11) along a different polar angle (θ) with respect to the endoscope longitudinal axis (L). Each of the hollow needle guides (21) is open towards one of its two azimuthal sides over its entire length.

The invention discloses an insertion part, an endoscope and a negative pressure suction assembly, and relates to the technical field of medical instruments, the insertion part comprises a first section and a second section, the first section is provided with a front end assembly, and the first section is further provided with a first channel. The insertion part can be inserted into the sheath tube, and a fluid cavity channel is formed between the sheath tube and the insertion part. The blocking area of the first section can be matched with the inner wall of the sheathing canal so as to block a fluid cavity channel between the sheathing canal and the insertion part. Negative pressure suction force is formed in the fluid cavity channel through an external suction device and the like. As the blocking area blocks the fluid cavity channel, the negative pressure suction force can be transmitted to the first opening or the second opening and then extends to the position near the far end of the insertion part through the first channel. Negative pressure suction force in the sheath tube can be transmitted to the distal end of the negative pressure suction fitting to extend the suction range of the introducer sheath to the distal end of the insertion portion. Therefore, stone fragments in the deep position of the affected part can be sucked out, stone fragment residues are avoided, and the using effect is improved.

Apparatuses (e.g., devices, systems, etc.) and methods that may provide access to one or more tools to a remote site in the body including expandable and external working channels that may be part of a tube that is coupled to an outer surface of an elongate medical device, such as an endoscope.

The invention relates to a handle structure of an endoscope and the endoscope. The handle structure comprises a shell and a first joint, and the shell is provided with a mounting cavity; the first connector is used for being communicated with negative pressure suction equipment, one of the first connector and the cavity wall of the mounting cavity is provided with a clamping bone, and the other one is provided with a clamping groove; the first connector is rotated to enable the clamping bone to be screwed into and clamped in the clamping groove, the groove wall of the clamping groove prevents the clamping bone from moving in the axial direction of the first connector, the clamping bone and the clamping groove which correspond to each other are arranged between the first connector and the shell, and when the clamping bone is clamped in the clamping groove, the clamping bone is prevented from moving in the axial direction through the groove wall of the clamping groove. Therefore, the possibility that the clamping bone is separated from the clamping groove can be reduced, the problem that the connection between the first connector and the shell fails due to the fact that the swing load of a negative pressure suction equipment pipeline is transmitted to the first connector in the operation process can be solved, the connection firmness degree between the first connector and the shell is improved, and the use reliability of the negative pressure suction function is improved. The visual field definition of an operation area is ensured.

The invention discloses a lesion area self-adaptive segmentation method and system for a seminal vesicle endoscope image, particularly relates to the field of medical image processing, is used for solving the problems of geometric distortion and artifacts in the seminal vesicle endoscope image, and aims to eliminate geometric deviation caused by thick layer sampling through synchronous acquisition and attitude correction. Then, a resampling strategy is adjusted in a self-adaptive mode through key geometric features, the problems of inter-layer artifacts and resolution imbalance are effectively weakened, a lesion segmentation network is optimized through smooth regularization and geometric constraint, continuity and geometric accuracy of lesion boundaries are ensured, finally, the accurate lesion mask is dynamically overlaid to a real-time frame stream, and the real-time frame stream is obtained. A quantitative basis is provided for biopsy path planning and photodynamic dose scheduling; smooth and continuous images are completed and output in a strict time window, the perception ability of an operator to tiny pathological changes is enhanced, meanwhile, the method is suitable for various endoscope devices, motion blur and light spot artifacts are restrained, and focus details are kept clear.

A clipping system includes a cap configured to be mounted over a distal end of an endoscope. A clip mountable over the cap to move between an insertion configuration, in which first and second jaws extend over opposing portions of the cap so that the first and second jaws are separated from one another, a review configuration, in which the clip is moved distally relative to the cap so that a portion of the clip extends distally until at least a portion of the clip extends into a field of view of the optical system of an endoscope on which the cap is mounted, and a deployed configuration in which the clip is moved distally off of the clip so that the first and second jaws are drawn toward one another under the bias of the at least one hinge to close over tissue received therebetween.

The invention discloses an automatic endoscope pipeline inner wall crack identification system based on video deep learning, and relates to the technical field of pipeline detection, and the system comprises an image acquisition module, an image preprocessing module, a pipeline inner wall model establishment module, a deep learning identification module and a result output module. The image acquisition module is used for acquiring images in the pipeline by utilizing the autonomous moving endoscope device, and a multi-wheel driving structure, a self-adaptive rubber track, a high-precision sensor and the like of the image acquisition module ensure that the acquisition process is stable; according to the invention, the automation level and accuracy of pipeline inner wall crack detection are obviously improved, the autonomous moving endoscope device is matched with three-dimensional illumination and multi-angle image acquisition to ensure that high-quality pipeline inner wall images can be obtained in a complex environment, and through calibration registration, noise suppression and contrast enhancement of the image preprocessing module, the pipeline inner wall crack detection accuracy is improved. And high-quality input data is provided for a deep learning model, so that the accuracy and reliability of crack identification are improved.

Embodiments described herein relate to systems, devices, and methods of cleaning endoscopes or other instruments during surgical procedures. In some embodiments, a system or device can include a trocar including a trocar shaft and a cap that collectively define fluid and / or electrical passages. In some embodiments, a system or device can include obturators with a wiping element and / or an absorbent element configured to remove debris and moisture from the interior walls of trocars. In some embodiments, a system or device can include a trocar with a liquid and gas interconnect device and venting systems for cleaning instruments disposed in the trocar channel.

The invention relates to an insertion structure and an endoscope. The insertion structure comprises a suction channel and an instrument channel, and the suction channel comprises an inclined section. The inclined section is designed to deviate to the instrument channel and intersect with the instrument channel, so that the working instrument penetrating out of the instrument channel can directly extend into the inclined section of the suction channel, the working instrument can directly extend out of the suction opening of the suction channel without being greatly bent, and then the bending amplitude of the working instrument is reduced; the risk of clamping stagnation of the working apparatus is reduced, the risk of breaking of the working apparatus caused by too large bending amplitude can be reduced, the use reliability of the working apparatus is improved, and the service life of the working apparatus is prolonged. Taking the insertion structure applied to the flexible ureteroscope as an example, the structure not only improves the stone breaking and stone removing efficiency, but also plays a role in preventing blockage.

The invention discloses a guiding sheath and a sheathing canal assembly, and relates to the technical field of medical instruments, the guiding sheath comprises a sheathing canal main body and an elastic limiting piece, the elastic limiting piece is arranged on the sheathing canal main body and is used for abutting against an insertion part inserted into the sheathing canal main body so as to elastically restrain the insertion part on one side of the inner wall of the sheathing canal main body. The sheath tube main body of the guide sheath can be placed in the body of a patient, the insertion part of the endoscope extends into the sheath tube main body, and the insertion part can be elastically restrained on one side of the inner wall of the sheath tube main body by the elastic limiting piece. For example, after the calculus is broken, a negative pressure environment can be provided in the sheathing canal, so that the calculus is sucked between the inner wall of the sheathing canal main body and the insertion part and is discharged. During the period, the insertion part is elastically restrained on one side of the inner wall by the elastic limiting piece, a large space is reserved for the other side of the inner wall, and the situation that the object to be sucked is blocked is prevented. During the period, the elastic limiting piece with elasticity can deform so as to adapt to the insertion parts of different specifications and play a limiting role on the insertion parts.

The invention discloses a digestive tract tumor endoscope image multi-scale detection system. The system comprises an endoscope image acquisition module, an image preprocessing module, a feature extraction module, a focus identification module, a diagnosis report generation module and a rehabilitation plan making module. The invention belongs to the technical field of digestive tract detection, and particularly relates to a digestive tract tumor endoscope image multi-scale detection system, which adopts an improved U-net architecture, a dynamic connection rule and a self-adaptive multi-scale convolution kernel bidirectional feature pyramid fusion technology to realize multi-level feature extraction and high-precision semantic segmentation of a digestive tract image; through multi-scale feature extraction, channel spatial recombination, spatial-temporal feature fusion, attention enhancement output and weight optimization, multi-dimensional accurate recognition and feature expression of the nidus of the digestive tract are realized.

The invention discloses an achromatic fluorescent laparoscope optical system which is composed of an endoscope set and an eyepiece, the endoscope set is composed of an objective lens with positive focal power and a rod lens set with positive focal power, the objective lens is composed of a first objective lens set and a second objective lens set, and the second objective lens set comprises a first bonding lens and a second bonding lens. The invention has the advantages that: by reasonably arranging the focal power distribution of the lens, the use requirement can be met, the visible light and fluorescence state can be adjusted at any time when the endoscope group is used, additional debugging is not needed, and the allowance is reserved for the rod lens group for subsequent image rotation; meanwhile, through reasonable arrangement of focal power distribution of the lens, design of the balsaming lens and proper control of the length of the objective lens, light is spread gently in the objective lens, the sensitivity of the lens is reduced, the light beam direction can be adjusted, chromatic aberration caused by visible light and fluorescence wave bands can be inhibited, aberration can be corrected, and the imaging quality can be improved.

A modular endoscope system comprises an imaging guidewire comprising an elongate shaft extending from a proximal end to a distal end, an imaging device located proximate the distal end of the elongate shaft and a lighting element located proximate the distal end of the elongate shaft, and an intervention accessory configured to slide along the elongate shaft to provide a medical intervention. A method of providing a medical intervention to an internal anatomic location comprises inserting an imaging guidewire into an anatomic passageway, viewing target anatomy with imaging capabilities of the imaging guidewire, pushing an intervention accessory along the imaging guidewire to the target anatomy, and operating the intervention accessory to provide an intervention on the target anatomy.

The invention discloses a guiding sheath and a sheath tube assembly, and relates to the field of medical instruments.The guiding sheath comprises a sheath tube body and a telescopic assembly, the sheath tube body is provided with a containing cavity, the telescopic assembly is provided with a first end and a second end which are relatively far away, the first end is connected with the sheath tube body and communicates with the containing cavity, and the second end is arranged in a sealed mode; and the sheath tube is telescopically arranged relative to the sheath tube main body. The sheath body is inserted into a doctor-patient body, such as a doctor-patient kidney. The insertion part of the endoscope is inserted into the containing cavity and moves into the telescopic assembly till the endoscope abuts against the second end. The medical staff can continue to push the insertion part to move, and the insertion part drives the telescopic assembly so that the telescopic assembly can stretch out of the sheathing canal body. The insertion part can also extend out of the sheath tube body along with the telescopic assembly, and the sheath tube body is prevented from affecting the field angle of the camera module of the insertion part. The insertion part independently extends out of the sheath tube main body, and the size of the insertion part is smaller than that of the sheath tube main body, so that the insertion part can enter a narrower area, and the use effect of the guide sheath is improved.

The invention discloses an endoscope transparent cap which comprises a rotatable mechanism, a sliding sleeve, a guide pipe arranged on the outer wall of an endoscope and a driving component arranged at the near end of the endoscope. In the rotatable mechanism, an endoscope joint is provided with a first opening, a rotating cap body of a rotating cap is provided with a second opening, and a flexible net basket is arranged outside the rotating cap body and faces the second opening; the endoscope connector sleeves the far end of an endoscope, the rotating cap body rotatably sleeves the endoscope connector, the sliding sleeve sleeves the rotatable mechanism, the flexible mesh basket is compressed in the sliding sleeve, the sliding sleeve and the rotating cap body are connected with the driving component through the first driving tendon and the second driving tendon respectively, and part of the driving tendons penetrate through the guide pipe; the driving component can drive the sliding sleeve to move towards the near end through the first driving tendon so as to expose the flexible net basket, and can drive the rotating cap body to rotate through the second driving tendon so that the second opening can be communicated with the first opening or the endoscope connector can shield the second opening. When the transparent cap for the endoscope is applied, polyps can be stored, so that the polyps can be taken out simply and conveniently, and the efficiency and the operation safety are relatively high.

The invention relates to a disease diagnosis and treatment method, system and device based on ear-nose-throat endoscope images and a medium, and the method comprises the steps: synchronously collecting dual-spectrum images through time sequence triggering, and solving the problem of shielding of an anatomical structure caused by mucus flow; a dynamic mucus displacement field is modeled through pixel gradient, and misjudgment of a traditional segmentation method on static lesions and dynamic secretions is eliminated; a deformable convolutional layer is adopted to correct the spatial offset of white light and a narrow-band image, and the mismatch of a multi-mode characteristic due to optical scattering is overcome; and finally, a real-time surgical navigation mark and a clinical treatment scheme are synchronously generated based on topological attributes of the focus probability graph, and a closed-loop link from image analysis to diagnosis and treatment decision is realized. According to the method, the functions of mucus interference suppression, cross-modal accurate registration and real-time diagnosis and treatment assistance are integrated in a breakthrough manner, and the focus recognition accuracy and clinical operation efficiency of the endoscope image are remarkably improved.

An endoscopic system for sensing one or more characteristics at an environment of a worksite comprises a shaft comprising a proximal end portion and a distal end portion; an electrically active sensor system comprising a sensor positioned to sense at least one characteristic of an environment in which the distal end portion of the shaft is located; an electrical power transmission line electrically coupled to the sensor and extending along the shaft, the electrical power transmission line configured to transmit power to the sensor; and a floating ground element electrically isolated from an earth ground and operably coupled to the electrically active sensor system. An overall capacitance between the electrical power transmission line and the floating ground element is greater than an overall capacitance between the floating ground element and earth ground.

Apparatuses and methods for deploying and / or controlling movement of flexible tubular members such as endoscopes, using a sliding link assembly to support the flexible tubular member. For example, these apparatuses may include a base, a link assembly connected to the base and comprising: a plurality of links that are vertically adjacent to each other, in which adjacent pairs of links are each slidably coupled together by opposing flexible bands that extend around a cylindrical surface of a shuttle. A linear drive may drive extension and retraction of the links by engaging with just one shuttle of the link assembly.

The embodiment of the utility model provides an incision device for an endoscope and the endoscope. The incision device for the endoscope comprises an operation part; the sheathing canal comprises a first cavity; the cutting wire is at least partially arranged in the first cavity channel, the near end of the cutting wire is connected with the operation part, the far end of the cutting wire comprises a cutting section, the operation part drives the far end of the sheath tube to bend or rotate by controlling the cutting wire to move in the sheath tube, and the cutting section is connected with the operation part through high-frequency current. And the cutting section can form a knife part for cutting tissues.