651 results about "Endoscopy" patented technology

A medical sampling device for use with an endoscope or catheter for flushing a body cavity and / or sampling a body fluid and / or body tissue, the endoscope or catheter having a suction channel and a suction connector in fluid communication with the suction channel, the sampling device comprising a suction inlet for connection to the suction connector, a suction outlet for connection to a vacuum source, a sampling outlet for connection to a sample container, a sampling inlet for connection to the sample container, and a valve having a valve member and a valve housing, wherein the valve member has a first chamber and a second chamber and is rotatable relative to the valve housing between a first position in which the first chamber establishes fluid communication between the suction inlet and the sampling inlet, a second position in which the second chamber establishes fluid communication between the sampling outlet and the suction outlet, and a third position in which one of the first chamber and the second chamber establishes fluid communication between the suction inlet and the suction outlet.

The utility model provides a kind of runner mounting structure, endoscope handle and endoscope, belong to endoscope technical field.Runner mounting structure includes runner, pivot, handle shell and push rod, runner is located in handle shell, runner is provided with installation passageway, handle shell is provided with two installation through holes located at the axial both sides of installation passageway;Pivot passes through one of installation through hole, installation passageway and another installation through hole in sequence, both ends of pivot are located outside handle shell, and are inserted with push rod Fixed, pivot is limited to cooperate with runner on its circumferential direction, pivot is limited to cooperate with push rod on its circumferential direction.The application directly utilizes pivot to pass through one of installation through hole, installation passageway and another installation through hole in sequence, then using push rod and pivot two end portions outside handle shell are inserted and fixed, the assembly of runner can be completed, whole assembly process flow step is simple, and the assembly efficiency of runner is high.

The first aspect of this invention provides a polarized illumination system for providing illumination light to biological tissue, comprising at least one laser, a lens, and a polarization-maintaining fiber. The second aspect provides a polarized imaging system for receiving light reflected or scattered by biological tissue after illumination, comprising an analyzer, an imaging lens, and a photosensitive device. The third aspect provides another polarized imaging system, comprising an imaging lens, a polarizing beam splitter, and a photosensitive device. The fourth aspect provides an endoscope system comprising the aforementioned polarized illumination system and polarized imaging system. This invention utilizes the different depolarization characteristics of scattered light at different depths to achieve separate imaging of specular reflection light, surface scattered light, and deep scattered light, greatly improving the visibility of mucosal surface and deep mucosal information, and significantly enhancing the visibility of various mucosal lesions.

1. The name of the design product: medical endoscope camera. 2. The use of the design product: used for collecting images inside the human body, improving diagnostic accuracy and guiding minimally invasive operations, reducing trauma. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present disclosure relates to the technical field of medical imaging, and relates to an endoscope system, an image processing method, and a computer program product therefor. The endoscope system to which the present disclosure relates comprises a light source, an insertion portion, and an image processing portion. The insertion portion is at least provided with a distal end portion configured to reach into a region to be inspected, and the distal end portion is provided with a first imaging module and a second imaging module. The light source is used for providing illumination to the region to be inspected. The first imaging module is used for acquiring a first image, and the first imaging module has a first focusing range and a first imaging range; the second imaging module is used for acquiring a second image, and the second imaging module has a second focusing range and a second imaging range; and the second focusing range is at least partially different from the first focusing range, and the second imaging range and the first imaging range have an intersection. The image processing portion is used for selecting and outputting at least one of the first image and the second image, or obtaining a composite image on the basis of the first image and the second image and outputting the composite image.

The application discloses a vocal cord leukoplakia pathological detection method and system based on a laryngeal endoscope image, a device and a medium, and belongs to the field of data management. The method is as follows: inputting the acquired laryngeal endoscope image into a preset pathological semantic field model, performing feature extraction on the laryngeal endoscope image through the pathological semantic field model to obtain a feature map; performing coordinate mapping on coordinate points of the feature map through the pathological semantic field model, generating a pathological semantic vector corresponding to each coordinate point, and constructing a continuous pathological semantic field according to the pathological semantic vector; deploying a perception particle swarm in the feature image domain, and performing particle iterative motion according to the pathological semantic vector of the deployment position until a lesion contour is generated by meeting a convergence condition, and outputting a vocal cord leukoplakia pathological detection result according to the lesion contour. Therefore, by implementing the application, accurate detection of vocal cord leukoplakia pathology can be realized, and the accuracy and reliability of laryngeal precancerous lesion diagnosis can be improved.

1. Name of the product in this design: Industrial Endoscope (High-end). 2. Purpose of this design: For internal inspection in industrial settings. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a spinal endoscopic screw-rod fixation system, belonging to the field of medical device technology. The system includes screws, locking pins, and connecting rods. The screw head has a fixing hole with internal threads on the inner wall and a driving hole at the bottom. The proximal end of the screw forms an arc-shaped mating surface around the fixing hole. The locking pin has external threads matching the internal threads, and a spherical clamping surface is formed on the side of the clamping head facing the connecting block. This invention, through the arc-shaped mating between the screw, locking pin, and connecting block, allows the connecting block to adapt to the screw at multiple angles, facilitating insertion and locking in spinal endoscopy or minimally invasive small-incision environments. The flip-handle mechanism facilitates tightening the locking pin in confined operating spaces and prevents arbitrary disassembly of the locking pin, improving the operational convenience and safety of the fixation system.

Provided are an electronic endoscope assembly (1) and an intracranial examination system. The electronic endoscope assembly (1) comprises: a camera module. The camera module comprises: a lens, a circuit board (105), and a plurality of LED lamps (103). The lens comprises: a miniature objective lens (101) and a CMOS image sensor (112). The miniature objective lens (101) is disposed at the foremost end of the camera module, and the CMOS image sensor (112) is disposed at the rear end of the miniature objective lens (101). The plurality of LED lamps (103) are arranged around the miniature objective lens (101). The CMOS image sensor (112) and the LED lamps (103) are electrically connected to the circuit board (105). The intracranial examination system comprising the electronic endoscope assembly can examine the lesion of a patient, thereby improving the examination efficiency and reliability.

This display control device generates a three-dimensional image on the basis of an imaging signal from an imaging unit having a stereo optical system. The display control device sets a cross point of the three-dimensional image closer to the imaging unit side than the tip of a treatment tool when the tip of the treatment tool is arranged in an image height 60% region of the three-dimensional image. An endoscope system according to the present invention is a system in which the abovementioned display control device has connected thereto: an endoscope having an imaging unit with a stereo optical system, and a channel through which a treatment tool can be inserted; and a monitor capable of displaying a three-dimensional image.

The application provides a kind of gas cylinder endoscope automatic detection device and method.Detection device includes endoscope probe, probe rod, rotary table, lifting shaft, gas cylinder clamp and position encoder.A kind of gas cylinder endoscope automatic detection method using above-mentioned device, including gas cylinder is placed in rotary table, and gas cylinder is fixed using gas cylinder clamp.Endoscope probe is inserted into probe rod.Detection personnel starts start button, and lifting shaft starts to rise, and drives probe rod to move downward.Probe rod drops to specified position, and then starts endoscope probe device, detects gas cylinder bottom, gas cylinder sidewall and gas cylinder upper neck.During detection, gas cylinder endoscope detection software classifies detection image, and records the height of probe rod rising and the angle of rotary table rotating at this time.After detection, clean device is inserted into gas cylinder interior to clean.

The utility model relates to an endoscope defogging device, including cleaning seat and heating assembly, cleaning seat installs at the top of heating assembly, and cleaning seat includes the horizontal plate and vertical plate of integrated mould, is equipped with the cleaning groove on the horizontal plate, is equipped with the cleaning blind hole on the vertical plate, and the one end of cleaning groove and cleaning blind hole intercommunication forms the cleaning channel, and the shape of cleaning channel is compatible with endoscope surface profile, heating assembly has heating channel, can be for endoscope defogging. Its beneficial effect is, it integrates cleaning seat and heating assembly in a device, realizes the high integration of function. Medical staff need not frequently switch operation between different cleaning equipment and defogging equipment, and the whole process of cleaning, disinfection and defogging of endoscope can be completed through the device, simplifies the work flow, improves operation efficiency.

The invention relates to the technical field of motion terrorism risk assessment, in particular to a spine endoscopic postoperative motion terrorism assessment method and system based on a 5E rehabilitation mode. According to the degree of adaptation of a patient to all rehabilitation trainings of the same type in each treatment stage and the change synchronization degree of rehabilitation state values, and the difference of entry scores of the same entry of an analysis questionnaire corresponding to the rehabilitation trainings and an adjacent next questionnaire, the rehabilitation training is analyzed; the association degree between each rehabilitation training of each treatment stage and each item of the questionnaire is obtained; adjusting the entry score of each entry of each questionnaire by using the correlation degree, and obtaining an optimized TSK total score of the corresponding questionnaire; and based on the optimized TSK total score of the questionnaire in all treatment stages, evaluating the motion terrorism symptom of the patient. According to the method, the entry score of the questionnaire is adjusted through the association degree between each rehabilitation training and the entry of the questionnaire, so that the influence degree of drug interference factors, physiological stress response and the like is reduced, and the accuracy of acterrorism symptom rating is effectively improved.

A vessel harvesting system removes a target vessel from a patient for use as a bypass. An elongated harvesting instrument inserts into a body along a path of a target vessel which includes at least one side branch. The harvesting instrument includes a cutter for applying thermal energy to sever and cauterize the side branch. An endoscopic camera captures visible-light images from a distal tip of the instrument within a dissected tunnel around the target vessel. A thermal camera captures thermograms coinciding with the visible-light images to characterize a temperature present at respective surfaces in the tunnel. An image processor (e.g., an electronic controller) renders a video stream including the visible-light images and an overlay depicting the temperatures present on at least some of the respective surfaces when applying the thermal energy. A display presenting the video stream and overlay to a user can be an augmented-reality display.

The application relates to a steam oven drain pipe scale treatment device and method. The device can include a drain pipe, a deformable track, an endoscope camera and a drain pipe cleaning device, the drain pipe is arranged at the bottom of a steam oven body 4 and is used for blowing liquid generated in a steaming and baking process; the deformable track is installed inside the drain pipe and is arranged in the axial direction of the drain pipe, a first end of the deformable track is fixed at a water inlet of the drain pipe, and a second end of the deformable track extends to a water outlet of the drain pipe in the axial direction of the drain pipe; the endoscope camera is movably connected with the deformable track and is used for shooting an internal image of the drain pipe along the deformable track; and the drain pipe cleaning module is arranged on the deformable track and is used for cleaning the inner wall of the drain pipe according to the internal image of the drain pipe. According to the technical scheme provided by the application, the scale state inside the drain pipe can be accurately obtained, the scale detection precision and the scale cleaning efficiency are improved, and the service life of the device is also improved.

A bifocal endoscope objective and endoscope, relating to the field of optical technology, includes a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power and movable along the optical axis from the object side to the image side, a fourth lens with positive optical power, a fifth lens with negative optical power, and a sixth lens with negative optical power, arranged sequentially along the optical axis from the object side to the image side. The objective has a total optical length ≤ 6.8 mm and a full field of view ≥ 160°. The third lens is configured to change the air gap between the third lens and the second and fourth lenses by moving it along the optical axis to a first axial position or a second axial position, respectively corresponding to a long-distance observation mode and a short-distance observation mode, while maintaining a constant total optical length during the switching process. This objective achieves stable bifocal switching with a constant total optical length during the switching process in an extremely compact structure.

This endoscope system 1 comprises: an LED 45 provided inside an operation unit 11 of an endoscope 2; a liquid feeding channel 27 disposed around the LED 45 inside the operation unit 11; and a CPU 7 that controls the output of the LED 45 on the basis of the flow rate of a liquid flowing through the liquid feeding channel 27.

The utility model discloses a kind of non-contact optical coherence elastic imaging endoscope devices, comprising: non-contact ultrasonic excitation and optical detection integrated probe and high-speed sweep frequency laser, the integrated probe includes air-coupled ultrasonic transducer, collimating optical fiber, off-axis parabolic mirror and polymer resin packaging shell, air-coupled ultrasonic transducer diameter is not greater than 2.5 mm, center frequency is not less than 250 kHz, collimating optical fiber is single-mode fiber and emission end integrated collimator is used to produce collimating beam, off-axis parabolic mirror focal length is greater than 7 mm, the polymer resin packaging shell is used to integrally package integrated probe, the polymer resin packaging shell is designed using 3D printing, and it is windowed at the exit end of the off-axis parabolic mirror;The scanning speed of this high-speed sweep frequency laser is 100 kHz, center wavelength 1310 nm, bandwidth 100 nm, synchronous output trigger clock and sampling clock.

This invention relates to a control method and system for an electrically controlled endoscope. The electrically controlled endoscope includes a first drive motor for controlling the lateral bending of the endoscope insertion section and a second drive motor for controlling the longitudinal bending of the endoscope insertion section. The control method includes: acquiring joystick data to obtain the lateral and longitudinal offsets of the joystick relative to a center position; mapping the lateral and longitudinal offsets to the movement ranges of the first and second drive motors, respectively, to obtain a first initial position and a second initial position; and calculating the target positions of the first and second drive motors based on the first and second initial positions and the current drive mode.

The image processing device, method, and program are designed to facilitate the understanding of the positional relationship between the tip of the endoscope and the lesion. [Solution] The processor sequentially acquires multiple radiographic images of a subject to which an ultrasound endoscope, to which an ultrasound imaging device and radiopaque markers are attached, is inserted into the body cavity. It sequentially acquires multiple two-dimensional ultrasound images corresponding to each of the multiple radiographic images acquired by the ultrasound imaging device. Based on the markers contained in each of the multiple radiographic images, the processor recognizes the position and orientation of the ultrasound endoscope within the body cavity. Based on the position and orientation of the ultrasound endoscope recognized with respect to the multiple radiographic images, it derives a three-dimensional ultrasound image from the multiple two-dimensional ultrasound images.

Device for imaging a circuit breaker contact using an endoscopic probe. The present invention relates to a device (1) for imaging a circuit breaker contact using an endoscopic probe (13) comprising a probe body (21) and an optical fiber (23). The device (1) comprises: - a guide (15), configured to penetrate at least partially into an escape chamber of the circuit breaker, the guide (15) comprising at least one straight cavity configured to receive the optical fiber (23) and guide the optical fiber (23) to a point near the circuit breaker contact; and - a stop member (17), configured to hold the optical fiber (23) longitudinally by fixing a distance between a distal end (25) of the optical fiber (23) and the circuit breaker contact and an angle between a longitudinal axis of the circuit breaker and a longitudinal axis of the optical fiber. Figure for the abstract: Figure 1

The application relates to the technical field of oral cavity diagnosis, in particular to an oral cavity diagnosis method for establishing an oral cavity diagnosis neural network model, which comprises the following steps: collecting oral cavity CT, endoscope hard tissue three-dimensional coordinates, soft tissue color parameters, tooth surface texture gray value parameters, checking and removing abnormal values to generate an oral cavity standardized original data set, extracting features and assigning weights to generate a weighted signal set, iteratively training to obtain diagnosis network weight parameters, calculating lesion matching degrees, dividing grades to establish oral cavity lesion quantitative grading data, in the application, oral cavity hard tissue three-dimensional coordinates, soft tissue color parameters and tooth surface texture gray value parameters are collected, values exceeding the normal physiological range are checked and removed to generate a standardized data set, features are extracted, converted into discrete signals and assigned with degree of distinction weights, stable diagnosis criteria are established through hierarchical transmission calculation and iterative training, accurate positioning and quantitative grading of oral cavity lesions are realized, and the diagnosis precision, efficiency and result consistency are greatly improved.

A deployment system for accurate placement of localization tags within biological tissue is disclosed. The system comprises a catheter hub with sheath, a stylet, and a loader. The catheter hub provides an interface for system components, while the flexible sheath allows navigation to target sites. The stylet, operable in multiple positions, guides the sheath and assists in tag deployment. The loader houses the localization tag and acts as a safety spacer during deployment. The system is compatible with endoscopes and various imaging modalities, offering improved accuracy and efficiency over traditional wire localization techniques. The localization tags may be passive or active, with potential for advanced functionalities such as biosensing or drug delivery. This minimally invasive system finds applications in tumor marking, lymph node localization, and targeted therapy delivery across multiple medical specialties.

The application discloses an image righting method and device of an endoscope, a storage medium and a terminal, and comprises the following steps: acquiring an initial image and a three-axis angular velocity signal of the endoscope; obtaining a posture quaternion by using a quaternion differential equation according to the three-axis angular velocity signal for attitude solution; updating the posture quaternion in real time; interpolating the posture quaternion of adjacent time points to obtain a line-level quaternion and generate a line-level rotation matrix within one frame exposure time; and righting and compensating the initial image to obtain a righted image by using reverse mapping and bilinear interpolation based on the line-level rotation matrix. The application avoids the problems of gimbal lock and functional failure caused by the gimbal lock in Euler angle attitude solution, eliminates the jelly effect by using an interpolation algorithm for line-by-line compensation, avoids the problems of large delay, insufficient real-time performance and difficulty in integration in a limited space caused by traditional software algorithms or external micro control unit post-processing, and better meets the imaging requirements of medical endoscope clinical operation.

The present application belongs to the technical field of endoscope and image processing, and in particular to an endoscope image anti-shake method based on motion vector compensation, comprising the following steps: collecting a sequence of continuous video frames, performing stability screening on the initial feature point set, eliminating unstable feature points located in the edge region, high light reflection region and low contrast region of the image to form a reliable feature point set, performing robust estimation processing on the original motion vector set based on the matched feature points in the reliable feature point set to generate a stabilized output frame, wherein the remapping adopts a bilinear interpolation algorithm; by constructing a closed-loop anti-shake system taking local feature motion vectors as input, spatio-temporal domain joint filtering as core and sub-pixel remapping as output, high-precision separation and compensation of high-frequency micro-shaking in endoscope imaging are realized without introducing additional mechanical structures.

The invention relates to an imaging device (10; 110), in particular an endoscope device, for stereoscopic image generation, wherein the imaging device (10; 110) has a shaft (12; 112) that defines a longitudinal axis (14; 114) and at least one optical viewing direction unit (58, 158) for generating a viewing angle (18) of greater than 0° with respect to the longitudinal axis (14; 114).It is proposed that the imaging device (10; 110) has a periscope unit (20; 120) for combining at least two beam paths (22, 24; 122, 124) for use in stereoscopic image generation, wherein the viewing direction unit (58, 158) is rotationally fixed with respect to the shaft (12; 112) and the periscope unit (20; 120) is arranged so as to be rotatable relative to the shaft (12; 112) about the longitudinal axis (14; 114).

This utility model discloses a traction wheel, an operating handle, and an endoscope, relating to the field of medical device technology. The traction wheel is suitable for connecting a traction rope, which transmits pulling force to achieve the bending action of the insertion part of the endoscope. It has a rope passage for the traction rope and a receptacle structure provided on the rope passage. The receptacle structure provides a confining space suitable for containing adhesive, and at least accommodates a fixed section of the traction rope so that the adhesive can fix the fixed section. The confining space can accommodate both the fixed section and the adhesive, which can be any liquid. After the adhesive solidifies, the fixed section is also fixed in the receptacle structure, achieving complete fixation of the traction rope. During solidification, the adhesive is constrained by the receptacle structure to prevent overflow or leakage, ensuring that sufficient adhesive can be fully mixed and fixed with the fixed section, thus securing the fixed section in the receptacle structure.

1. The name of the design product: endoscope adapter. 2. The use of the design product: used in endoscopic surgery, matched with endoscope, connected endoscope main machine with patient body cavity. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model discloses a kind of endoscope systems with identification function, it is related to medical instrument technical field, wherein, endoscope system includes endoscope, camera and camera host computer, endoscope is detachably connected with the front end of camera, the rear end of camera is inserted in camera host computer, camera host computer includes main control circuit board, endoscope system further includes: electronic tag, be located in endoscope, electronic tag is configured as the identification information of record endoscope;Antenna, be located in camera;Reader-writer, be located in the shell of camera host computer, reader-writer is electrically connected with antenna, main control circuit board respectively;Reader-writer is used to send radio frequency signal to electronic tag by antenna, to excite electronic tag to send identification information, reader-writer is also used to receive identification information by antenna and transfer to main control circuit board.The technical scheme provided by the utility model can identify the model specification of endoscope, improve the use convenience of endoscope system.