55 results about "Rigid endoscope" patented technology

The invention provides an endoscope imaging system and a hard tube type endoscope, and belongs to the technical field of optical imaging, the endoscope imaging system comprises an objective lens, a relay lens and an ocular lens of an object space telecentric structure, the objective lens comprises a first lens, a second lens, a third lens with positive focal power and a bonding lens group with positive focal power, the second lens is a steering prism, the image side surface and the object side surface of the first lens are aspheric surfaces, the balsaming lens group comprises a fourth lens, a fifth lens and a sixth lens, the fourth lens is a doublet lens, the fifth lens is a triplet lens, the sixth lens is a doublet lens, the relay lens comprises an odd number of rod lens groups which are arranged at intervals, and the rod lens groups are arranged at intervals. The eyepiece comprises a seventh lens, an eighth lens and a ninth lens, and the seventh lens, the eighth lens and the ninth lens are all doublet lenses. By optimizing the structural design of the optical system, the defocusing amount is reduced, seamless switching of visible light and near-infrared light dual-mode imaging can be achieved, and meanwhile high-quality imaging is achieved.

A supplying device and a supplying method for more reliably cleaning the observation window of a rigid endoscope are provided. [Solution] The control unit 72 controls the cleaning liquid supply unit 14 and the gas supply unit 16 to perform a cleaning fluid supply operation in which the cleaning liquid supply unit 14 supplies cleaning liquid to the supply pipe 64, causing the cleaning liquid to remain in the middle of the supply pipe 64, and then the gas supply unit 16 supplies gas to the supply pipe 64, thereby supplying a mixture of cleaning liquid and gas to the cover 22 as a cleaning fluid.

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.

A single solid-state image sensing device is disposed for a first optical system and a second optical system provided in a rigid endoscope. The first image formed by the first light beam emerging from the observation target and passing through the first optical system and the second image formed by the second light beam emerging from the observation target and passing through the second optical system are formed on the imaging surface of the solid-state image sensing device. The solid-state image sensing device then converts the first image and the second image into electric signals. In the picture display unit, the first picture corresponding to the first image and the second picture corresponding to the second image are displayed on the display surface based on the electric signal obtained by the solid-state image sensing device.

The invention discloses a portable handheld endoscope which comprises a handheld control part, a rigid endoscope tube and a light source illumination module, wherein the rigid endoscope tube and the light source illumination module are detachably connected; the handheld control part is integrated with an image acquisition module, a main control board, an image display module, a key operation module and an image storage module; the device is small in size and portable, and can be independently and effectively used in scenes such as field combat without fixed medical facilities for clinical experiment and preliminary diagnosis.

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.

The present invention relates to a navigation method for an optical rigid endoscope surgery, a corresponding computer-readable storage medium, a control apparatus, a computer program product, and an electronic device, navigation system, and robot system for navigation of the optical rigid endoscope surgery. The navigation method comprises: an image acquisition step of acquiring a plurality of images of an optical rigid endoscope; an imaging orientation acquisition step of acquiring a position and a direction of an imaging apparatus of the optical rigid endoscope corresponding to each image of the optical rigid endoscope; a splicing step of splicing the plurality of images according to the orientation of the imaging apparatus corresponding to each image to obtain a spliced image; and a display step of displaying the spliced image. According to the present invention, by forming the spliced image, a global visual field is provided for an operator, thereby solving the problem of the limited visual field of the operator. The present invention is particularly beneficial to the optical rigid endoscope surgery in the endoscopic surgery, the calculation required by the splicing mode is less, the splicing speed and the splicing precision are higher, and the requirement for the operation capability of a processor is lower.

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.

The utility model discloses a rigid endoscope capable of changing directions, which relates to the technical field of endoscopes and comprises a light transmitting bundle connector, the lower end of the light transmitting bundle connector is communicated with an endoscope body, the front end of the endoscope body is fixedly connected with an endoscope tube, the front end of the endoscope tube is fixedly connected with a tip portion, and a light transmitting bundle used for guiding light from the light transmitting bundle connector to the tip portion is installed inside the light transmitting bundle connector. The light guide bundle penetrates through the interior of the endoscope tube and is installed in the tip part, the transmission direction of the light guide bundle is consistent with the direction of the observation end of the tip part, the rear end of the endoscope body is fixedly connected with an eyepiece part, the rear end of the eyepiece part is fixedly connected with a lens for observation, and an adjusting mechanism for changing the observation angle is arranged in the tip part and comprises cover glass. The cover glass is fixedly connected to the front side position in the tip part, the trigger rotates around the fixed shaft, the trigger pulls the steel wire rope rotationally connected in the middle to move, the steel wire rope drives the rotating seat to move, the rotating seat drives the objective lens to rotate around the rotating shaft, angle adjustment of the objective lens is achieved, and an attending doctor can observe at multiple angles.

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.

A semi-rigid endoscope may include a shaft that is elongate along a longitudinal direction. The shaft including a shaft body that defines: proximal rigid portion and a flexible tip that is distal to the proximal rigid portion. The flexible tip moves along a lateral direction that is perpendicular to the longitudinal direction. The flexible tip moves along a transverse direction that is perpendicular to both the longitudinal and lateral directions. The endoscope may also include at least one conduit that extends longitudinally along an internal portion of the shaft body. The internal portion may be substantially enclosed, such that the at least one conduit transfers irrigant fluid to and from the flexible tip. The endoscope may also include a baffle that directs irrigant fluid at the flexible tip and an image sensor coupled to the flexible tip.

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.

The utility model discloses a small-caliber high-definition hard endoscope, which comprises an objective lens group, six rod lens groups and an eyepiece group which are sequentially arranged, the focal length range of the objective lens group is 2.5 mm-3. 5mm, the length range of the conjugate plane of the objective lens group is 45 mm-60 mm, the number of the rod lens groups is six, the focal length range of the rod lens groups is 80 mm-100 mm, and the focal length range of the eyepiece group is 80 mm-100 mm. The length range of a conjugate plane of the rod lens group is 100-120mm, the focal length range of the eyepiece group is 10-25mm, the length range of the eyepiece group is 30-37mm, the objective lens group, the rod lens group and the eyepiece group are all composed of a plurality of lenses, and the outer diameter range of the lenses is 3.17-6.16 mm. According to the scheme, the endoscope is composed of the lens with the small caliber, the lens can be fixedly installed conveniently, fixation is firm, and the lens cannot be damaged in the long-time using process.

The present invention discloses a cleaning rack for rigid endoscope instruments, which includes a support mechanism, a cleaning mechanism and an adjustment mechanism. The support mechanism includes a bottom plate and two vertical plates fixedly installed on the upper part of the bottom plate. The support mechanism is used to install the cleaning mechanism and the adjustment mechanism. The cleaning mechanism includes a circular tube, a first circular plate, a circular rod, a second circular plate, a cylindrical shell, a fitting seat and a hollow fixed rod. The circular tube is rotatably installed on one of the vertical plates through a bearing, and the first circular plate is fixedly installed at one end of the circular tube. The adjustment mechanism includes an annular fixing plate, a disc, an adjustment bolt and a handle. In the present invention, the problem that the position of the tubular operating rod of the rigid endoscope instrument needs to be continuously fixed by hand during cleaning can be solved, the working intensity of the cleaning personnel can be effectively reduced, and the cleaning efficiency can be effectively improved by cleaning the tubular operating rods of ten rigid endoscope instruments in each batch.

To provide a medical image processing device that allows a user to confirm anatomical structures such as blood vessels and nerves within an organ during surgery without burdens by performing display control of a 3D organ model, and a method of operating the same.SOLUTION: A 3D organ model acquisition unit 20 acquires a 3D organ model 25. A hard mirror image acquisition unit 21 acquires a hard mirror image 27 including an organ to be observed. A posture matrix estimation unit 22 estimates a posture matrix representing a posture of the organ to be observed included in the hard mirror image 27, in a three-dimensional coordinate system used for the 3D organ model 25. A display control unit 23 controls the display of the 3D organ model 25 on the basis of the posture matrix.SELECTED DRAWING: Figure 2

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 belongs to the field of medical instruments, and particularly relates to a lithotripsy sheath for liver and gall lithotripsy. The device comprises a sheath tube made of a flexible tube, a notch is longitudinally formed in the front end of the sheath tube along a tube body, and the tube walls on the two sides of the notch are arc-shaped to form double petals; the rear end of the sheathing canal is connected with a Y-shaped negative pressure assembly, the whole material is transparent hard plastic, an oblique branch is a negative pressure channel connected with a negative pressure suction device, a negative pressure relief hole is formed in the side face of the channel, and the tail end of the channel is a hard endoscope or choledochoscope access channel. By means of the front-end double-valve structure, the incision and a rotary advancing mode, the double valves at the front end of the sheath tube are folded, so that the front end can be reduced in the operation according to the actual application requirement, the sheath tube can advance into a deeper cavity tube, the stone removing sheath does not need to be replaced in the operation, and the operation risk is greatly reduced.

The utility model relates to the technical field of hard endoscopes, and discloses an optical lens group and a rod lens system. The optical lens group comprises a first lens group, a diaphragm and a second lens group which are sequentially arranged along the direction from an object plane to an imaging plane, and the first lens group comprises a first lens, a second lens and a third lens which are sequentially arranged along the direction. And the second lens group comprises a third lens, a second lens and a first lens which are sequentially arranged in the direction. The rod lens system comprises an odd number of optical lens sets which are sequentially arranged in the direction from the object plane to the imaging plane, the optical lens sets and the rod lens system have the advantages of being small in size, convenient to assemble and low in cost, and high-quality imaging can be obtained after the optical lens sets and the rod lens system are applied to an endoscope.

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.

The invention relates to a shape memory alloy pipe, a preparation method and a visual angle controllable endoscope, and the visual angle controllable endoscope comprises the shape memory alloy pipe and comprises the shape memory alloy pipe or the shape memory alloy pipe prepared through the preparation method. The visual angle of the shape memory alloy pipe is controlled during production, so that the shape memory alloy pipe can be bent at any angle at a specific temperature and can be recovered to a specified bending angle in another temperature environment. Due to the fact that the shape memory alloy pipe can have the bendable head end of the insertion portion of a soft endoscope and the hardness of a hard endoscope, the tensile strength of the shape memory alloy pipe at the room temperature is larger than or equal to 1000 mpa, the ductility of the shape memory alloy pipe is larger than or equal to 10%, the compressive strength of the shape memory alloy pipe is larger than or equal to 1400 mpa, and the austenite transformation termination temperature Af is smaller than or equal to 5 DEG C. The technical paradox that rigidity and flexibility of a traditional endoscope cannot be achieved at the same time is fundamentally solved. And a brand new technical path is provided for developing a new generation of endoscopes with structure simplification, function adaptability and clinical universality.

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.

1. The name of this design product: rigid tube endoscope. 2. Application of this product: Used for video inspection of engines, auto repair equipment, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view.

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.

1. Name of the design product: Guider (specially for endoscopic tracheal intubation). 2. Use of the design product: This design product is used to assist in opening the mouth, lifting the tongue body and guiding tracheal intubation during the process of endoscopic (fiberoptic bronchoscope or rigid endoscope) tracheal intubation. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view 1.