28 results about "Rigid endoscope" patented technology

The application discloses a hard mirror optical system of a hard tube endoscope, which comprises an objective lens and a rod lens in sequence from an object side to an image side, and is characterized in that the rod lens comprises n groups of rod lens units, n is a positive odd number, and the rod lens unit is composed of symmetrically arranged object-side rod lens units and image-side rod lens units, and the advantage lies in that through systematic optical design, the focal length, entrance pupil diameter, numerical aperture of the objective lens and the rod lens, and the length of the rod lens unit and other performance parameters are reasonably set, so that the high-definition imaging requirement of the endoscope under the visible light and fluorescence double modes can be met.

This utility model discloses an easily adjustable fixing base for rigid endoscopes, relating to the technical field of rigid endoscope auxiliary equipment. The easily adjustable fixing base for rigid endoscopes consists of a powerful A-clamp, a multi-joint universal adjustment support rod, and a connecting ring. The multi-joint universal adjustment support rod includes multiple equidistantly arranged double-sided ball clamps and rolling balls. Adjacent double-sided ball clamps intersect in a cross shape, enabling flexible multi-dimensional adjustment to meet the needs of different observation angles of the rigid endoscope during medical operations. A pressure locking mechanism is provided above the powerful A-clamp. High-pressure hoses inflate the spherical cavity inside the rolling balls, causing the rubber ball sleeve to expand and compress the groove, thereby locking the support rod and ensuring stable support of the rigid endoscope after adjustment. This fixing base solves the problems of inconvenient adjustment, unstable support, and complex locking found in existing fixing bases, improving the convenience and accuracy of doctors' operations and having significant implications for improving medical diagnosis and treatment outcomes.

The present invention relates to an electronic flexible and rigid endoscope system and method applicable to general practice. The system comprises: a data acquisition system, configured to acquire image data of a lesion site, and a data processing system, configured to process the image data from the data acquisition system. The data acquisition system comprises a handle end and an endoscope end, the endoscope end comprises an imaging insertion end and an operating end, the imaging insertion end enters the lesion site to acquire images of the lesion site, the operating end controls the action of the imaging insertion end, the handle end sends the image data acquired by the endoscope end to the data processing system, the data processing system comprises a data receiving module and an image processing module, and the data receiving module receives the image data acquired by the data acquisition system.

Disclosed is an active bending sheath-type urological flexible endoscope (1), comprising an active bending sheath (20), wherein the active bending sheath (20) comprises a bendable sheath main body (21) and a control handle (22) connected to the rear end of the bendable sheath main body (21) and is provided with a connecting channel (24); and a flexible endoscope main body (30), wherein the flexible endoscope main body (30) comprises a flexible endoscope inner core (31) and a flexible endoscope handle (32) connected to the rear end of the flexible endoscope inner core (31). The flexible endoscope inner core (31) is suitable for being inserted into the connecting channel (24). The active bending sheath (20) is sleeved on the outside of the flexible endoscope main body (30), the bendable sheath main body (21) is sleeved on the flexible endoscope inner core (31), and the control handle (22) is sleeved on the flexible endoscope handle (32). The bendable sheath main body (21) is suitable for bending to drive the flexible endoscope inner core (31) to bend.

1. The name of the design product: hydrogen peroxide low-temperature plasma sterilizer (PS-80X). 2. The use of the design product: for sterilization of medical wire cables, optical lenses and glass lenses, power equipment and batteries, rigid endoscopes, catheters and surgical instruments. 3. The design points of the design product: in the combination of shape, pattern and color. 4. The picture or photo that best shows the design points: perspective view. 5. The design claimed contains color.

The utility model discloses a hard tube endoscope, which relates to the technical field of medical equipment and comprises a guide tube, a light-transmitting sheet and a camera device. The guide tube is provided with a first mounting channel penetrating in the axial direction of the guide tube and an insertion end, the end face of the insertion end is obliquely arranged relative to the radial direction of the insertion end, the guide tube has a rotation stroke rotating around the axis of the guide tube, and the light-transmitting piece is arranged at the insertion end to seal an opening in one end of the first mounting channel; the camera device is installed in the first installation channel, is close to the insertion end and faces the end face of the insertion end. According to the technical scheme provided by the utility model, the end face of the insertion end of the guide tube is obliquely arranged, and the camera device is correspondingly and obliquely arranged, so that the camera device can shoot part of lateral images while shooting right ahead images; by rotating the guide tube, it can be ensured that all images in the front can be observed, meanwhile, the lateral view field range is enlarged, and the technical effect of enlarging the shooting range of the camera device is achieved.

Rigid endoscope (1) with a fiber tube (2) whose distal end is closed by a window (3, 3'), and with a lens (6, 7) arranged in the fiber tube (2), which is held at a distance from the window (3) by a spacer device (10), wherein the spacer device is designed as a spacer tube (10) which is supported distally on the window (3) and proximally on the lens (6, 7), characterized in that the lens (6, 7) is arranged in a lens tube (5, 8) by means of which the lens (6, 7) is mounted in the fiber tube (2) and supported on the spacer tube (10), that the lens tube (5, 8) is designed in its distal end region (8) forming a step with a smaller diameter, and that the spacer tube (10) is supported at its distal end on the window (3, 3') and at its proximal end on the step on which the lens tube (5, 8) is supported in its transitions to a diameter-reduced distal end region (8).

The utility model relates to an optical bayonet, which comprises a bayonet main body with a cylindrical structure and an optical structure arranged in an inner cavity of the bayonet main body, the optical structure comprises a lens cone coaxially arranged with the bayonet main body, and a glass lens group is arranged in the lens cone; a focusing structure is arranged on the peripheral side portion of the bayonet body and drives the lens cone to move in the axial direction of the bayonet body, and an endoscope connecting structure is arranged at the front end of the bayonet body. The bayonet body and the rotatable adjusting ring are of a split type structure, assembling and manufacturing are easy, all repeated optical bayonet functions are met, a disposable hard endoscope eyepiece cover and the optical bayonet are integrated, the operation difficulty is effectively lowered, and material assembling loss is reduced.

The invention discloses a hard lens optical system of a hard tube endoscope, which sequentially comprises an objective lens and a rod lens from an object side to an image side, and is characterized in that the rod lens comprises n rod lens groups, n is a positive odd number, and each rod lens group consists of an object space rod lens unit and an image space rod lens unit which are symmetrically arranged. And performance parameters such as focal lengths, entrance pupil diameters and numerical apertures of the objective lens and the rod lens and the length of the rod lens unit are reasonably set, so that the high-definition imaging requirement of the endoscope in visible light and fluorescence dual modes can be met.

A system and method for determining the calibration of an endoscopic camera, the endoscopic camera comprising a camera equipped with replaceable, rotatable optics (rigid endoscope), wherein the calibration is performed in an operating room without user intervention. First, the rigid endoscope is described by a set of parameters. Then, this lens descriptor is used as input to real-time software that processes images acquired by any camera equipped with the rigid endoscope to provide calibration of the complete endoscopic camera arrangement at every frame, regardless of the relative rotation or zoom setting of the lens endoscope relative to the camera. An image software method is also disclosed that detects whether the lens descriptor is incompatible with the rigid endoscope used to prevent errors and warn the user of erroneous conditions.

The utility model relates to a medical internal hard endoscope linear fitting degree testing device which comprises a device body and an illuminometer arranged outside the device, the device body is composed of a fixing plate, a transmission-type lamp box and a workbench, the workbench and the transmission-type lamp box are installed on the fixing plate, an endoscope is installed on the workbench, and the illuminometer is installed on the workbench. The endoscope is right opposite to a transmission-type lamp box below, and a test card is installed above the transmission-type lamp box. The whole device has the advantages of being simple and reasonable in structure, practical, convenient to use and the like.

This utility model discloses a dental pad specifically for rigid endoscopes, belonging to the technical field of auxiliary instruments for treatment and examination. It includes: a biting portion; a pressure plate installed at one end of the biting portion, with fixing straps installed on both sides of the pressure plate; and a rotating sleeve rotatably installed on the inner side of the biting portion near the pressure plate end, with multiple circumferentially distributed ball bearings accommodating between the rotating sleeve and the biting portion. During examination, after the patient wears the dental pad, the rigid endoscope is inserted into the biting portion, also passing through the inner side of the rotating sleeve. Due to the presence of the ball bearings, the rotating sleeve can rotate smoothly relative to the biting portion. When rotating the rigid endoscope, the rotation of the rotating sleeve relative to the biting portion facilitates convenient rotation, thereby reducing the difficulty in operating the rigid endoscope due to high friction between the outer wall of the rigid endoscope and the inner wall of the biting portion, thus contributing to the smooth operation of rigid endoscope procedures.

The present invention provides a supply device and supply method for more reliably cleaning the observation window portion of a rigid endoscope. [Solution] The control unit 72 controls the cleaning fluid supply unit 14 and the gas supply unit 16 to perform a cleaning fluid supply operation in which a mixture of cleaning fluid and gas is supplied to the cover 22 as a cleaning fluid by supplying cleaning fluid to the supply pipe 64 via the cleaning fluid supply unit 14, allowing the cleaning fluid to accumulate in the middle of the supply pipe 64, and then supplying gas to the supply pipe 64 via the gas supply unit 16. When the control unit 72 receives a switch-on command, it performs the cleaning fluid supply operation a predetermined number of times, and then performs the gas supply operation.

This invention relates to an adjustable-bend video rigid endoscope for endotracheal intubation, comprising a core tube assembly and a display. The core tube assembly includes a plastic sheath, a deformable core, a suction tube, and a camera. The suction tube is inserted into the plastic sheath, with its distal end extending to the distal end of the plastic sheath. The distal end of the suction tube can be connected to a negative pressure source. The camera is fixedly mounted at the distal end of the deformable core's inner hole, and the video signal captured by the camera can be transmitted to the display. This invention allows for adjustable curvature and direction of the tube during intubation, providing visual assistance. The special material and lubricated design of the plastic sheath reduce intubation resistance, improving the smoothness of the procedure and patient comfort. This endoscope effectively addresses difficult airways caused by abnormal anatomical structures in the pharynx and larynx, such as those with preglottic masses obstructing vision, limited mouth opening, limited neck mobility, or a high glottis, further facilitating glottic exposure and improving the safety and convenience of endotracheal intubation.

The present application relates to the technical field of image acquisition, in particular to a rigid endoscope image acquisition method and system based on eyepiece imaging, comprising: receiving a first light path image and a second light path image transmitted through an objective lens by an eyepiece assembly of a rigid endoscope, and performing photoelectric conversion on the first light path image and the second light path image to obtain corresponding first original electric signals and second original electric signals; inputting the first original electric signals and the second original electric signals into a pre-trained image denoising model for denoising processing to obtain a first denoised image and a second denoised image. The present application generates a real-time depth mapping graph by combining posture sensor data, so that the endoscope can accurately reflect the distance distribution between the front end and the photographed tissue when observing the tissue, which helps doctors obtain more accurate spatial information.

1. The name of the design product: endoscope camera optical bayonet. 2. The use of the design product: for connecting the scope and camera of rigid endoscope. 3. The design points of the design product: the shape of the product is protected in designs 1 to 3, and the combination of shape and color of the product is protected in designs 4 to 6. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: designs 4 to 6 request protection of the color of the product.

This application provides an endoscope needle drive assembly and a suturing device. The endoscope needle drive assembly includes a housing assembly, an arc-shaped suture needle, a rotating structure, a drive assembly, a control member, an engaging member, and a position limiting member. The rotation of the rotating structure is controlled by the cooperation of the control member and the drive assembly, and the rotating structure drives the engaging member to rotate along a first or second direction, thereby rotating the arc-shaped suture needle one full turn relative to the housing assembly to achieve a single suture in human tissue. The above structure is rationally designed, compact in structure, and convenient to use. By driving the arc-shaped suture needle to repeatedly rotate 360° relative to the housing assembly through the cooperation of the rotating structure, drive assembly, control member, engaging member, and position limiting member, suturing of human tissue can be achieved, improving operational efficiency. Furthermore, the direction of movement of the control member is at least partially perpendicular to the rotational direction of the rotating structure and the arc-shaped suture needle, allowing for easy observation of the suturing state of the arc-shaped suture needle, making it suitable for suturing operations using a flexible or rigid endoscope.

A medical image processing device and a method of operating the same that enable a user to check an anatomical structure such as a blood vessel or a nerve in an organ during surgery without any burden by controlling display of a 3D organ model. A 3D organ model acquisition unit (20) acquires a 3D organ model. A rigid endoscope image acquisition unit (21) acquires a rigid endoscope image including an organ to be observed (45). An orientation matrix estimation unit (22) estimates an orientation matrix representing an orientation of the organ to be observed included in the rigid endoscope image in a three-dimensional coordinate system used for the 3D organ model (52a). A display control unit (23) controls display of the 3D organ model based on the orientation matrix.

The utility model provides a bendable nerve ventricle endoscope, and relates to the technical field of endoscopes. A bendable nerve ventricle endoscope comprises a handle, the handle is provided with an insertion tube, a bent snake bone is arranged at the end, away from the handle, of the insertion tube, a tip is arranged at the end, away from the insertion tube, of the bent snake bone, and a camera is arranged at the tip; the bent snake bone is hollow, two pull wires are oppositely connected to the inner side wall of the front end of the bent snake bone, the pull wires penetrate through the insertion tube and extend into the handle, and the handle is provided with a traction assembly used for pulling the pull wires. By the adoption of the cranial nerve endoscope, the problems that a traditional cranial nerve operation is large in trauma and large in operation difficulty can be solved, the endoscope is simple in structure, convenient to use, small in trauma and capable of being bent easily, lesions which cannot be displayed by a hard endoscope can be observed, the operation can be carried out at the same time, a safer and more reliable technical means is provided for the cranial nerve operation, and popularization and application are facilitated. The operation quality is improved, and the operation complications are reduced.

1. The name of the design product: endoscope camera optical bayonet. 2. The use of the design product: for connecting the scope and camera of rigid endoscope. 3. The design points of the design product: the shape of the product in design 1, the combination of shape and color of the product in design 2. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: design 2 requests protection for the color of the product.

The utility model discloses an endoscope optical performance detection device. Endoscope optical performance detection device includes base plate, angle adjusting structure, positioning structure and measurement structure, angle adjusting structure rotates and is established on the base plate, positioning structure is suitable for endoscope fixed on it, and positioning structure includes the positioning plate on angle adjusting structure, and positioning plate can rotate with angle adjusting structure and rotates to make positioning plate can rotate to be suitable with the front end detection surface of endoscope and is pasted, measurement structure is movably arranged on angle adjusting structure, and with positioning plate is opposite interval setting, and measurement structure has the activity stroke of approaching and moving away positioning plate, to adjust the distance between measurement structure and the front end detection surface of endoscope on positioning plate. The utility model provides technical scheme, can better test the social field angle and / or the optical performance such as depth of field of endoscope, and endoscope optical performance detection device can be applicable to rigid endoscope and soft endoscope, and the detection range is wider.

This invention discloses a flexible and rigid snake-bone tube, as well as a flexible insertion cannula and a rigid endoscope. It relates to the field of snake-bone tubes and solves the problem that the rigidity of existing endoscopes is difficult to meet universal requirements due to variations in application scenarios, doctors, and individual patients. The invention includes a snake-bone structure composed of several segments connected sequentially. Adjacent segments have insertion structures along the axial direction. Each insertion structure includes a male connector at one end of a segment and a female connector at one end of the adjacent segment. Adjacent segments are rotatably connected via the male and female connectors. The male connector has several locking grooves, and an electromagnetic locking mechanism is provided between adjacent segments to abut against the locking grooves. This invention utilizes electromagnetic principles to enable the snake-bone structure to switch between flexible and rigid modes. This allows the invention to be easily inserted into the patient's body like a rigid tube, and also allows for angle adjustment like a rigid tube, effectively improving the applicability of the snake-bone tube.

The utility model discloses a camera shooting and optical illumination distribution structure of a superfine hard endoscope, which is characterized in that an equilateral triangle layout is adopted in a narrow space at the top end of a handle, an inlet and an outlet of an appliance channel are linear, an inclined angle is designed for each interface according to human engineering, and accurate connection with an external camera shooting bayonet and an illumination optical fiber bundle is realized. The handle connecting structure strengthens handheld stability and facilitates clinical operation. The top layout of the superfine mirror handle enables parts to be replaced conveniently, and diagnosis and treatment flexibility is improved. The minimally invasive instrument channel ensures smooth and safe access of instruments. The lighting interface is fixed in a rotary mode, and specifications can be customized according to requirements. The eyepiece module is stable in connection and clear in image transmission. The camera system is flexible in connection, supports a C buckle and a miniature camera system, relieves eye fatigue, and facilitates observation of multiple persons. The insertion part is compact and efficient in structure, the whole structure is light and reliable, and an innovative and practical solution is provided for diagnosis and treatment of fine parts.

1. Name of the product in this design: Rigid Endoscope Optical Performance Testing Device. 2. Purpose of this design: For use in testing the optical performance of rigid endoscopes. 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 prostate enucleator, comprising: an inner sheath, which is tubular; an outer sheath, which is tubular and coaxially sleeved on the inner sheath; a flexible segment comprising an inner flexible tube and an outer flexible tube coaxially arranged; one end of the inner flexible tube is fixedly connected to the inner sheath, and one end of the outer flexible tube is fixedly connected to the outer sheath; the other end of the flexible segment has an end plate; two traction wires are arranged at intervals, one end of which is fixedly connected to the end plate or the flexible segment, and the other end can be pulled to bend the flexible segment to one side, changing the angle of the end plate. The prostate enucleator provided by this invention can adjust the field of view of the enucleator without relying on the lever action of a rigid endoscope, reducing the force on the sphincter muscle.

This invention provides a real-time correction method for endoscopic image distortion, comprising: placing an improved rigid endoscope system at a target position and setting operating conditions; in each frame of the image of the biological tissue acquired by the endoscope, firstly performing laser gating projection correction, and calculating a homogeneous transformation matrix between the projection distortion correction line image and the correction line reference image; then, acquiring the current endoscopic distortion image acquired by the CCD camera again, processing it using the homogeneous transformation matrix to obtain the endoscopic corrected image, and displaying the corrected image on a monitor for human observation, thus eliminating the distortion. Because the period of the pulsed laser projecting the correction line reference image is extremely short, much shorter than the human eye's visual persistence period, the observer will not perceive the laser gating projection correction process, ensuring the dynamic and real-time nature of image correction; moreover, the instantaneous exposure of the weak laser will not damage biological tissue, ensuring the medical safety of image correction.

A medical detection attachment includes: an attachment body attached to a connection portion between a light guide configured to guide a laser beam and a rigid endoscope configured to irradiate a subject with the laser beam via the light guide; a first detector provided in the attachment body and configured to detect connection between the attachment body and the rigid endoscope; and a second detector provided in the attachment body and configured to detect connection between the attachment body and the light guide.