259 results about "Endoscopic Procedure" patented technology

The invention belongs to the technical field of medical equipment. The endoscopic surgery operation quality real-time quantitative evaluation system comprises an endoscopic camera probe used for collecting endoscopic images and an endoscopic handle used for operation. The displacement sensor is integrated on the endoscope camera probe and is used for detecting the endoscope entering speed; the pressure sensor is integrated on the gas injection pipeline and is used for detecting the intracavity pressure; the force sensor is integrated on the endoscope handle and is used for detecting the tissue traction deformation; the optical coherence layer scanning probe is integrated on the endoscope camera probe and used for detecting the thickness of the submucous membrane, and the processing terminal is used for conducting real-time quantitative evaluation on the endoscopic surgery operation quality according to the endoscope entering speed, the intracavity pressure, the thickness of the submucous membrane, the tissue traction deformation image, the included angle between an instrument and a focus normal and the complication response time. According to the invention, full-process datamation real-time accurate evaluation of operation skills and operation safety of operators is realized.

The invention discloses an operation index determination method and device for an endoscopic surgery, equipment and a storage medium, and can be applied to the technical field of surgical operation data processing. The method comprises the following steps: firstly, acquiring a surgical operation data set of a target operation object for an endoscopic surgery; the surgical operation data set comprises a plurality of pieces of surgical operation data sorted according to a time sequence. Each piece of surgical operation data comprises five-dimensional data, namely endoscope action data, endoscope type data, instrument action data, instrument type data and surgical object data. And constructing a hidden Markov model by using the surgical operation data set. In the hidden Markov model, the surgical operation described by the surgical operation data is the observed quantity, and the surgical state is the state quantity, and based on the hidden Markov model, the statistical principle is utilized to carry out quantitative evaluation on the surgical operation indexes, so that the accurate evaluation of the surgical operation when a doctor carries out the endoscopic surgery is realized, and the reference effectiveness of the operation indexes is improved.

A training system for an endoscopic procedure, the training system including an endoscope having an image sensor configured to generate images; an image processing device including a housing and a processing circuit in the housing, the processing circuit including a processor and memory, the memory having graphical user interface (GUI) logic and a trained single-pass neural network model, the processor being configured to process the neural network model and the GUI logic to present a GUI; and a physical model including cavities corresponding to interconnected human cavities. The GUI is configured to receive a user input corresponding to a training mode or an exam mode. In the training mode the GUI is configured to present navigation feedback, and in the exam mode the GUI is configured to not present navigation feedback.

Systems, devices, and methods for integrating images from various sources and using the same to guide endoscopic procedures are disclosed. An endoscopic system comprises an endoscope to be positioned and navigated in a patient anatomy, and a processor configured to reconstruct a three-dimensional (3D) image of an anatomical target based on at least two images of the anatomical target. The at least two images can be calibrated and registered using respective landmarks. One or more secondary images can be integrated with the reconstructed 3D image. The reconstructed image or the integrated image, along with the endoscope navigation plan, can be displayed to a user. Based on the reconstructed or the integrated image, the processor can generate an endoscope navigation plan for use in an image-guided endoscopic procedure.

The invention discloses a digestive endoscopic esophageal trajectory optimization method based on Kalman filtering, and belongs to the technical field of digestive endoscopic surgical navigation, and the method comprises the following steps: S1, based on an esophageal model of preoperative CT three-dimensional reconstruction, extracting a geometric center point sequence of an esophageal cavity, generating an esophageal center line, and extracting a geometric center point sequence of the esophageal cavity; the method comprises the following steps of S1, acquiring six-degree-of-freedom pose data of the front end of an endoscope in real time through an electromagnetic positioning system, and generating an original motion track, and S3, performing rigid body registration on the original motion track and an esophagus center line by utilizing an iterative closest point (ICP) algorithm, so as to realize coordinate system coarse alignment. The real-time data of an electromagnetic positioning system and a three-dimensional model reconstructed by CT are combined, the navigation robustness is improved, the pose is adaptively corrected through Kalman filtering, the influence of environmental interference is reduced, the space relation between the endoscope and surrounding organs is visually displayed through an optimized track, and accurate operation of a doctor is assisted.

Various techniques are described for analyzing video recordings for endoscopic medical imaging and other types of medical imaging. In some examples, a system generates intelligent interest prediction metrics displayed in association with a timeline search bar of a video recording. The intelligent interest prediction metrics are quantized and scored on a time axis based on one or more parameters. In other examples, the system intelligently selects key frames from different video segments for display as thumbnails associated with the segments. These techniques can improve efficiency, accuracy, and speed, with which doctors can examine and identify important aspects of recorded endoscopic procedures.

The utility model provides a clamping device and an endoscopic robot, and belongs to the technical field of endoscopic surgical instruments, specifically, the clamping device comprises a supporting piece, a ball head structure and a locking mechanism; the ball head structure is provided with a channel; the supporting piece is provided with a supporting face and a first through opening. The locking mechanism has a locking state and an unlocking state. According to the clamping device provided by the embodiment of the invention, the locking mechanism has the locking state and the unlocking state in which the ball head structure is allowed to rotate relative to the supporting piece, and by changing the state of the locking mechanism, the ball head structure can be locked or unlocked so as to adjust the angle of the endoscope. When the locking mechanism is in the unlocking state, the angle of the endoscope can be adjusted so that an operator can operate the endoscope more conveniently, after the angle of the endoscope is adjusted, the locking mechanism is switched to the locking state, the relative positions of the ball head structure and the supporting piece are fixed, the angle of the endoscope can be adjusted easily and conveniently, the posture of a joint arm or a mechanical arm does not need to be reset, and operation is more convenient. The adjusting process is simple and rapid.

The present invention is an apparatus, device or tool for performing endoscopic (that is, minimally invasive) surgery. An exemplary embodiment of the invention includes a video endoscope whilst in another embodiment of the invention includes an endoscopic surgical tool which, when equipped with one of a suite of endoscopic surgical instruments, can be used by a surgeon to perform surgical procedures inside a body. Another embodiment of the present invention includes a suite of endoscopic surgical instruments designed to work co-operatively with the endoscopic surgical tool. In another embodiment of the present invention, a video-assisted endoscopic surgical tool system is provided. In one embodiment, the system includes the video-assisted endoscopic surgical tool and a suite of at least one endoscopic surgical instrument.

Systems and methods of tracking the position of an endoscope within a patient's body during an endoscopic procedure is disclosed. The devices and methods include determining a position of the endoscope within the patient in the endoscope's coordinate system, capturing in an image fiducial markers attached to the endoscope by an external optical tracker, transforming the captured fiducial markers from the endoscope's coordinate system to the optical tracker's coordinate system, projecting a virtual image of the endoscope on a model of the patient's organ, and projecting or displaying the combined image.

The invention provides an endoscopic surgery video multi-target segmentation method based on a basic segmentation large model and mixed expert fine tuning. The method comprises the following steps: preprocessing a data set, establishing an SAM2 baseline segmentation network, constructing a hierarchical hybrid expert module, constructing a stage gating network, establishing an endoscopic surgery video segmentation network, training the endoscopic surgery video segmentation network, and automatically segmenting an endoscopic surgery video by the segmentation network. According to the invention, accurate segmentation of different operation scenes can be realized. The hierarchical hybrid expert module and the stage gating network are introduced, and the problems of scene difference and multi-organization segmentation commonly existing in endoscopic surgery video segmentation tasks can be well solved.

A surgical drill system for use with a drill bit includes a base and a drill head positioned forward of the base which is operatively connected to the base. The drill head includes a drill bit interface to which a shaft of the drill bit is attachable so that an axis of the shaft of the drill extends at an angle to an orientation of the drill head at the position of the drill bit interface. The surgical drill system further includes a drive system in operative connection with the drill bit interface which is configured to rotate the drill bit about the axis of the shaft of the drill bit when connected to the interface.

A medical alert system that provides alerts based on predictions of various potential risks to a patient, a physician, and / or medical staff for endoscopy procedures. The medical alert system includes a communication interface, memory, and at least one processor coupled to the memory and configured to receive, at the communication interface of the medical alert system, a request for a risk prediction for a future endoscopic procedure, where the request includes procedural information related to at least one of historical endoscopic procedure information or proposed endoscopic procedural information for the future endoscopic procedure. In response, the system outputs, via the communication interface, a risk prediction alert associated with performance of the future endoscopic procedure. The alert is based on predicted risks for one or more risks to a patient, a physician, and / or staff based on at least one of biographical information or the proposed endoscopic procedural information.

This invention generally relates to a method for performing an endoscopic procedure. According to some aspects of the invention, the method comprises placing an endoscope shaft within a body cavity at a desired examination point, the endoscope shaft having a proximal end, mid shaft and a distal end, the distal end terminating in an endoscope tip, wherein the endoscope tip is proximal to the desired examination point, positioning a segment of a longitudinally opened overtube over the endoscope mid shaft, wherein the overtube including a longitudinal reclosable seam along an entire length of the overtube, an inner surface, an outer surface, a proximal end and a distal end, a positioning ring adjacent the distal end on the outer surface, at least one sealing band on the inner surface, and an independently positionable occlusion catheter terminating in an asymmetrical occlusion balloon; at least one handle at the proximal end and on the outer surface for grasping and manipulation of the overtube within the body cavity. The method further comprises closing the seam of the segment of the overtube positioned over the endoscope mid shaft to form a longitudinally closed overtube and move the closed overtube over the endoscope shaft as guide within the body cavity and repeat the closing and moving till the overtube reaches the desired examination point, inflating the positioning ring to create a seal between the outer surface of the overtube and a body cavity proximal to the endoscope tip, wherein when inflated the positioning ring expanded asymmetrically around the overtube, inflating the at least one sealing band to create a seal between the internal surface of the overtube and endoscope shaft, passing the independently positionable occlusion catheter terminating in the asymmetrical occlusion balloon through a passageway along the overtube to enter the body cavity at the end of the overtube, manipulating the independently positionable occlusion catheter to a selected point within the body cavity distal to the endoscope tip, inflating the occlusion catheter balloon to create seal between the occlusion catheter balloon and the body cavity, and creating a sealed examination compartment between the positioning ring, the asymmetrical occlusion balloon and the sealing band surrounding the distal end of the endoscope shaft.

The invention belongs to the technical field of endoscopic surgical instruments, and provides a foreign matter taking device under an endoscope. The device comprises a shearing mechanism and a clamping mechanism, the shearing mechanism is parallel to the clamping mechanism, a pulling-out mechanism is arranged between the shearing mechanism and the clamping mechanism, the two ends of the pulling-out mechanism are connected with the shearing mechanism and the clamping mechanism respectively, the pulling-out mechanism comprises a first elastic body and a limiting column, and the limiting column is a column body with a protruding part on the side face; one end of the limiting column is fixed to the shearing mechanism, the other end of the limiting column makes contact with the limiting hole, the pulling-out mechanism further comprises a connecting column provided with threads, the connecting column is provided with a limiting block, and the clamping mechanism is provided with a first limiting hole matched with the section of the limiting column and a second limiting hole matched with the limiting block of the connecting column. Foreign matters penetrating the septum and the like can be pulled out perpendicular to the shearing plane, and secondary injury to a patient caused by force towards the mouth side is avoided; and the clamping part is subjected to special structural design, so that different types of foreign matters can be clamped.

A two-stage method for guiding an endoscope and second device toward a target destination near the ROI includes navigation and localization. The endoscope is navigated near the vicinity of the ROI according to a pre-procedure plan. When the ROI location is reached, the second device's tip is pushed far enough through the endoscope so that its tip is outside the endoscope and in the endoscope's video view. Then a two-phase registration mechanism is used: i. Phase 1: Align the endoscope by registering the endoscope's video to a virtual bronchoscope's simulated video stream; ii. Phase 2: Align the second device by registering the second device's shape in the endoscope's video to a virtual second device model.

This invention relates to a novel P-approach endoscopic lumbar fusion surgery method, belonging to the field of lumbar fusion surgery technology. This method addresses the high risk of nerve injury and insufficient operational precision in existing endoscopic fusion techniques by proposing an improved solution. It utilizes Kirschner wires for positioning at the inferior articular process to establish a precise entry point avoiding the nerve root pathway; a visually guided circular saw is used throughout the endoscopic procedure to construct a safe triangular working channel directly reaching the spinal canal; under full endoscopic monitoring, a unilateral approach is used for bilateral spinal canal decompression, thoroughly removing diseased tissue and scraping the endplates until punctate bleeding occurs; a bone graft cannula with a curved tip is used to precisely implant the fusion device into the anterior region of the intervertebral space, restoring intervertebral height through a self-locking structure; finally, a universal pedicle screw is percutaneously implanted for fixation. This method reduces the risk of nerve injury, improves surgical safety and efficiency, and is suitable for patients with lumbar spondylolisthesis complicated by spinal stenosis.

The present invention relates to a polyp trap, configurable for connection to an endoscope and a vacuum system during endoscopic procedures, comprising: a hollow main body (312) having an inlet (316) and an outlet (318), said main body, inlet, and outlet being in fluidic communication; and a tube (322) having a first end (322A) adapted to be removably connected to said inlet and a second end (322B) adapted to be removably connected to the endoscope, and a first support (320) positioned peripherally with respect to said main body for receiving said second end of said tube (322), such that said tube can be selectively connected to said first support when said polyp trap is in its packaging condition or connected to the endoscope when said polyp trap is used during endoscopic procedures. Figure for the abstract: Fig. 4A

Methods and devices are provided for determining anatomical distance and / or position measurements during an endoscopic procedure. Markings are placed either physically or superimposed on a distal end of an elongate tool, such that the markings are viewable in an imaging field of view of the endoscope. Anatomic distances may be determined by measurements performed with the tool. The size and / or position of anatomical structures or unknown objects may also be determined using the marked tool.

The utility model provides a device for an endoscopic surgery, which comprises a handle and an outer sleeve detachably connected with the handle, and further comprises a read-write part arranged in the handle and located at the joint of the handle and the outer sleeve, and a connecting part arranged in the handle and located at the joint of the handle and the outer sleeve. And the label part is arranged in the outer sleeve, the label part is arranged corresponding to the read-write part along the installation direction of the outer sleeve and the handle, and when the outer sleeve is connected with the handle, the label part is arranged corresponding to the read-write part along the installation direction of the outer sleeve and the handle. The read-write part is used for reading the number of connection times on the label part and the diameter and length of the outer sleeve and recording the number of new connection times on the label part. And the number of connection times can be transmitted to a networked network, so that maintenance personnel can timely scrap the outer sleeve reaching the number of repeated use times, and cross infection is avoided. The read / write unit can also update a new number of connections on the tag unit to the tag unit.

The utility model relates to the field of medical instruments, and discloses a working cannula for cervical endoscopic surgery, which comprises a cannula main body provided with a through hole, a first opening of the cannula main body is obliquely arranged, one side, close to a second opening of the cannula main body, of the first opening is defined as a first side, and one side, far away from the second opening, of the first opening is defined as a second side; the sleeve main body is provided with a limiting thread above the first opening, and the limiting thread is matched with the limiting ring to adjust and control the working depth of the sleeve main body; the limiting threads are arranged and matched with the limiting ring, so that the movement of the cannula body can be well limited, the depth of the cannula placed in the intervertebral space is controlled and stabilized during operation, the situation that the cannula body is too deep to penetrate the rear wall of the intervertebral disc and damage the spinal cord is avoided, the operation risk is reduced, and related complications of spinal cord injury are reduced.

A method for planning and guiding an endoscopic procedure is disclosed. The method includes obtaining a first scan of a chest cavity at near total lung capacity, obtaining a second scan of the chest cavity at near functional residual capacity, generating a virtual chest cavity based at least in part on the first scan and the second scan, defining one or more regions of interest (ROI) in the virtual chest cavity, and determining a route to the one or more ROIs based on the virtual chest cavity. The method includes directing endoscope hardware through an airway to the one or more ROIs along the predetermined route, monitoring, by a processor, a real-time position of the endoscope hardware relative to an expected position along the predetermined route, and performing an examination of the one or more ROIs when the real-time position of the endoscope hardware corresponds to an expected ROI location.

The present invention relates to a method for guiding an endoscopic surgery, a corresponding computer-readable storage medium, a control apparatus, a computer program product, and an electronic device for navigation of an endoscopic surgery, a navigation system, and a robotic system. The method comprises: a step of endoscopic image acquisition; a step of enhancement information acquisition: acquiring at least two of the following three types of enhancement information: a) a spliced image obtained by splicing a plurality of images of an endoscope; b) a three-dimensional image of a physiological structure of a patient; and c) a marker on the three-dimensional image or a two-dimensional image of the physiological structure of the patient; a step of endoscopic enhanced image fusion: fusing an acquired current image of the endoscope with at least two types of enhancement information; and a step of displaying a view including at least a portion of an endoscopic enhanced image. According to the present invention, the current image of the endoscope is fused with at least two of the three types of enhancement information, such that the endoscopic image is enhanced in multiple dimensions, thereby achieving omnibearing multi-dimensional guidance for an operator.

This system provides a method for controlling target irradiation to identify targets during endoscopic procedures. [Solution] The endoscope system comprises a light source that generates illumination light, a diagnostic energy source configured to generate a diagnostic beam, an imaging sensor, an endoscope, and a controller circuit, wherein the controller circuit is configured to receive from the imaging sensor an image of a target illuminated by the light source operating in a first illumination mode, determine the brightness or intensity of the received image of the target, send a trigger to the diagnostic energy source to emit the diagnostic beam through the optical fiber to the target when the determined brightness or intensity of the received image satisfies certain conditions, receive reflected light from the target generated by the diagnostic beam, and identify the composition of the target, at least in part, based on the analysis of the reflected light.

The utility model discloses a kind of endoscope surgery pasting film, it is related to medical supplies technical field, including first film, second film, water baffle and liquid collecting and guiding bag.The bottom surface of first film is used to paste on skin.Second film is located on the top surface of first film, and the accommodating cavity that is formed with upward protrusion between second film and first film.Water baffle is located in accommodating cavity, and the region formed by surrounding water baffle is used to accommodate liquid.Liquid collecting and guiding bag is connected with one side of second film, and the bag opening of liquid collecting and guiding bag is towards the opening of water baffle, so that the liquid in the region formed by surrounding water baffle can flow into liquid collecting and guiding bag.In the process of operation by doctor, water baffle can be resisted by second film with physiological saline and patient's blood and other liquids, that is, water baffle plays a blocking role to liquid, so that liquid in the process of operation all stays in the region formed by surrounding water baffle, avoid the pollution of the surrounding environment of operation area.

The invention belongs to the technical field of endoscopic surgical instruments, and provides a device for taking out tumors after esophageal zipper type incision. The system comprises a tumor and an endoscope device, the endoscope device comprises at least two implants and a dragging mechanism, each implant comprises an implant end and a polymerization end connected with the implant end, each implant end comprises a fixing structure capable of being fixed to the tumor, and after the implant ends are fixed to the tumor, the polymerization ends can be mutually connected to form a polymer on the outer side of the tumor; a connector is arranged on the side, close to the tumor, of the dragging mechanism and can be connected with the polymer. With the adoption of the arrangement, a gripper for dragging a tumor can be provided for implanting a huge tumor into an implant aggregated outside the tumor, and the traction force is uniformly distributed on the surface of the tumor, so that local stress concentration is avoided, and the risk of tumor rupture in the taking-out process is effectively reduced; and the implant is designed to be freely implanted, so that the implantation point of the tumor can be adjusted according to the anatomical characteristics of the operation area of the incision, and the traction direction is changed.

The present invention relates to a method for guiding an endoscopic surgery, a corresponding computer-readable storage medium, a control apparatus, a computer program product, and an electronic device for navigation of an endoscopic surgery, a navigation system, and a robotic system. The method comprises: a step of endoscopic image acquisition; a step of enhancement information acquisition: acquiring at least two of the following three types of enhancement information: a) a spliced image obtained by splicing a plurality of images of an endoscope; b) a three-dimensional image of a physiological structure of a patient; and c) a marker on the three-dimensional image or a two-dimensional image of the physiological structure of the patient; a step of endoscopic enhanced image fusion: fusing an acquired current image of the endoscope with at least two types of enhancement information; and a step of displaying a view including at least a portion of an endoscopic enhanced image. According to the present invention, the current image of the endoscope is fused with at least two of the three types of enhancement information, such that the endoscopic image is enhanced in multiple dimensions, thereby achieving omnibearing multi-dimensional guidance for an operator.

Systems and methods for objective evaluation of a stool sample to determine whether a patient's lower gastrointestinal tract is sufficiently clean to undergo a successful gastrointestinal visualization procedure with favorable visualization. A method includes collecting a stool sample from a patient and assessing the stool sample to determine whether an intestine of the patient is sufficiently clean for the patient to undergo a successful lower gastrointestinal tract visualization procedure.

The invention relates to the technical field of surgical navigation, in particular to a children urinary system endoscopic surgery visual auxiliary operation system which comprises a respiratory displacement field generation module, a tissue stiffness inversion module, a visual scale correction module, a tangential gradient calculation module and an anisotropic registration correction module. According to the method, a respiration displacement field is analyzed to invert tissue hardness parameters, a preoperative physical model with biomechanical characteristics is constructed, non-rigid deformation behaviors of kidneys and ureters of children in a stress state are simulated, the physical depth of pixels is calculated in combination with endoscopic image characteristics, sparse feature point cloud is converted into real-scale spatial data, and the spatial depth of the kidneys and ureters of the children is calculated. And according to the tangential gradient change of the path, constructing an anisotropic weight matrix to dynamically adjust the registration constraint intensity, and driving the virtual model to follow the movement track of the endoscope to carry out adaptive deformation correction, so that real-time three-dimensional visual guidance for soft tissue respiratory movement and contact deformation is realized.

A method for planning and guiding an endoscopic procedure includes obtaining a first scan of a chest cavity at near total lung capacity, obtaining a second scan of the chest cavity at near functional residual capacity, generating a virtual chest cavity based at least in part on the first scan and the second scan, defining one or more regions of interest (ROI) in the virtual chest cavity, determining a route to the one or more ROIs based on the virtual chest cavity, directing endoscope hardware through an airway to the one or more ROIs along the predetermined route, monitoring, by a processor, a real-time position of the endoscope hardware relative to an expected position along the predetermined route, and performing an examination of the one or more ROIs when the real-time position of the endoscope hardware corresponds to an expected ROI location.

The present invention belongs to the technical field of endoscopic surgical instruments, and specifically relates to a disposable endoscopic wound suturing device, comprising a closure instrument housing and a tissue retractor. A gastroscope is embedded and fixedly installed inside the closure instrument housing, and an edge of the closure instrument housing is integrally provided with an instrument channel 1 and an instrument channel 2. The shaft portion of the tissue retractor movably passes through the instrument channel 2, and the tissue retractor is used in conjunction with the closure instrument housing and is used to pull the inner wall of the tissue close to the lens of the gastroscope. The tissue retractor is mainly composed of an inner needle rod, an inner tube rod, and an outer tube rod. The inner wall of one end of the handle is provided with a spiral guide groove. The present invention can be pulled by clamping the inner wall of the tissue, which can reduce the situation where the inner wall of the tissue is accidentally detached during pulling. The structure is simple to operate and has a small damage range. It can also ensure that the spiral chuck penetrates the inner wall of the tissue in a rotating manner, making it easier for the spiral chuck to pierce the tissue and enter.