23 results about "Transillumination" patented technology

In various aspects, microscope systems are described, comprising or corresponding to optical microscopes, such as for example a transillumination microscope or a fluorescence microscope. The microscope systems may be used independently or configured with or integrated into another device or system, such as an imaging mass spectrometer or imaging mass cytometer. In various embodiments of this aspect, the microscope system is used to obtain one or more images of a sample, such as at a variety of different light collection wavelengths and / or for a variety of different illumination conditions. The microscope systems can employ various optical components and configurations allowing for high throughput imaging, such as components for imaging the sample at suitable resolutions with a wide field of view and / or for spatially separating different detection channel wavelengths from light output (e.g., transmitted or emitted light) from the sample.

The invention relates to an X-ray image acquisition device for three-dimensional reconstruction of GIS equipment and an acquisition method thereof, a first airbag unit is arranged in an accommodating cavity, the top end of an adjusting unit is connected with the bottom end of the first airbag unit, and the bottom end of the adjusting unit is in contact with the peripheral wall of the GIS equipment; the X-ray assembly is communicated with the first air bag unit through the first connecting assembly, and the imaging assembly is communicated with the first air bag unit through the second connecting assembly; the acquisition process comprises the steps of mechanical verification, parameter setting, transillumination acquisition and optimization of a three-dimensional imaging reconstruction process; the vehicle body is used for carrying the supporting frame to drive the X-ray assembly and the imaging assembly to move synchronously, and the relative position of the imaging assembly and the X-ray assembly can be adjusted in a self-adaptive mode according to the concave-convex road surface and the height change of GIS equipment in the operation process by controlling the adjusting assembly. On the basis of ensuring the stability of the collection process, the manual calibration time and the manpower, material resources and time cost of field adjustment are saved, the collection efficiency is improved, and meanwhile, the safety is improved.

The utility model provides a radiographic inspection film arrangement device, which belongs to the field of radiographic inspection and comprises a retainer, a camera bag lead plate mounting part is arranged on one side of the retainer, a hinge seat is arranged on the other side of the retainer, a telescopic rod is hinged on the hinge seat, and the axial direction of a hinge shaft of the telescopic rod and the hinge seat is the length direction of the retainer. The device has the beneficial effects that the device can assist a worker to arrange films under the condition of lacking a manhole, so that the film arrangement accuracy and protection requirements are met, and single-wall transillumination of a workpiece can be ensured.

The utility model relates to the technical field of ray detection, and discloses a ray transillumination tool for precision casting parts, which comprises a box seat, a lead screw module is arranged in the box seat, the input end of the lead screw module extends out of the box seat and is fixedly provided with a hand wheel, and the top of the box seat is provided with a rectangular groove. A sliding table of the lead screw module penetrates through the rectangular groove and is fixedly provided with a bottom plate, the upper side of the bottom plate is rotationally provided with a right-angle storage plate through a first rotating base, a calibration mechanism used for adjusting the translation position of the right-angle storage plate is arranged between the box base and the bottom plate, and protractors are fixedly installed at the two ends of the upper side of the bottom plate correspondingly; a positioning mechanism used for adjusting the swing angle of the right-angle storage plate is arranged between the protractor and the right-angle storage plate, and a pair of lead plates is fixedly installed on the upper side of the right-angle storage plate. The device is flexible and adjustable in structure and simple and convenient to operate, effectively solves the problems of complicated operation, low efficiency and poor consistency in the traditional method, and meets the high-standard requirement of radiographic inspection of precision casting parts.

The utility model discloses mouse tail vein blood sampling operation platform, including platform main part, fixed cylinder, apron and through -hole, the central position department of platform main part top is provided with fixed cylinder, and one end of fixed cylinder is provided with apron, and the central position department of apron is opened with through -hole, one side of platform main part is provided with screw rod through support, and the drive block is set up on screw rod, and the top of drive block is provided with the transillumination table, and the top side of transillumination table is opened with the groove, the transillumination table in the groove below is provided with transmission lamp, one side of support is provided with hand wheel, and one end of hand wheel is connected with screw rod. The utility model discloses platform main part, fixed cylinder, transillumination table, support, screw rod, hand wheel, drive block, groove and transmission lamp are installed, and the vein is clearly shown in mouse tail with light, and is adjusted freely according to the specific difference of mouse tail.

The invention relates to a method (100) for producing labels (30), said method comprising punching (101) labels (30) from a label material adhering to a carrier web (31). The method (100) comprises an automatic punching check (103) within a device (10) for producing the labels (30), wherein the automatic punching check (103) comprises transilluminating (104) the carrier web (31) and recording (105) a transillumination record (32).

The utility model relates to the technical field of X-ray machine auxiliary equipment, in particular to an X-ray machine transillumination support which comprises a bottom frame, a supporting frame, a supporting table, an electric push rod, a sliding rail and an auxiliary unit, the auxiliary unit comprises an arc column, a U-shaped plate, a connecting plate, a base, a sliding rod, a spring, a plurality of rolling rollers and a locking assembly, and the X-ray machine is placed on the supporting table; at the moment, the connecting plate shares the pressure borne by the supporting table, the gravity of the connecting plate can act on the U-shaped plate, the rolling roller abuts against the base to move rightwards in the U-shaped plate, so that the spring is compressed, the counter-acting force of the spring is facilitated to firmly drive the rolling roller to make contact with the arc column, and the locking assembly is used for fixing the X-ray machine. In this way, the pressure of the contact face of the supporting table and the sliding rail is shared, abrasion is reduced, and normal work of medical workers is guaranteed.

An imaging apparatus is provided that includes a fluorescence microscope (115), an imaging sensor (120), and an optical module (110) and phase light (125) to facilitate epifluorescence imaging of three (or more) color channels and to perform phase contrast and / or brightfield imaging of a sample without manual adjustment of the imaging apparatus. This allows for automated imaging of multiple samples over an extended period of time by the imaging apparatus located inside an incubator (180) without disturbing the incubator environment to manually adjust the apparatus. Embodiments are also provided that facilitate user replacement of the detachable optical module (110) and / or transillumination module (125) to allow the imaging apparatus to accommodate different combinations of assays and / or fluorescent indicators in order to increase the variety of experiments and / or fluorescent dyes that can be imaged using the imaging apparatus.

The utility model discloses a universal film type radiographic inspection tool for parts such as circumferential weld joints of small-diameter pipes. The universal film type radiographic inspection tool comprises a transmission mechanism, a base, an indexing disc, an indexing circle parallel shaft and a film detection system tool, the top of the base is provided with an arc-shaped bearing groove corresponding to a part, and the transmission mechanism is used for rotating the part. The outer side of the end part of the part is sleeved with an index plate, one side of the index plate is rotatably provided with a turntable, the peripheral side of the turntable is provided with two reference circle parallel shafts parallel to the part, and the area between the two adjacent reference circle parallel shafts is an area for single exposure observation; the film detection system tool is inserted into the part in parallel, a lead sheath is arranged at the position, corresponding to a weld joint, of the film detection system tool in the part, and a rotating mechanism is arranged at one end of the film detection system tool. The radiographic inspection of 360-degree film type source outside single-wall transillumination can be realized by rotating the part and the reference circle, and the radiographic inspection device has the advantages of simple structure, convenience in assembly and disassembly and high universality.

The invention discloses a positioning tool and a detection method for radiographic inspection of a welding seam of a small-diameter cylinder. The positioning tool comprises a sliding rail, a sliding supporting frame, a sliding block with a lock and a limiting block. Wherein the slide block with the lock is positioned at one end of the slide rail, and the limiting block is fixed on the upper surface of the slide block with the lock; the sliding supporting frame is located on the sliding rail and has the limiting and collimating functions. In the use process, alignment can be automatically completed only by feeding the barrel and pushing the barrel to the limiting position, and angle deviation is avoided. According to the invention, the defects that the parallelism and straightness are difficult to guarantee, the efficiency is low and the transillumination cannot meet the standard sometimes due to the fact that two groups of rollers are manually placed in the prior art are overcome, the transillumination quality is improved, the rework rate is reduced, and the detection efficiency is effectively improved.

The present application relates to a kind of based on ray image's cylinder piece defect positioning method, belong to cylinder piece defect positioning technical field, solve the problems of complex operation, low efficiency of prior art.The method of the present application comprises: the cylinder piece is divided into multiple imaging areas, and each imaging area of the cylinder piece is sequentially single-wall transillumination imaging according to the preset scanning path by imaging device, and the single image of each imaging area is acquired;According to the single image of scanning path, a single image is spliced into an image, and a spliced image is obtained;Identify the defect on the spliced image, and obtain the position of defect on the spliced image;According to the position of defect on the spliced image and the imaging parameter of imaging device, the position of defect on the cylinder piece is acquired.The present application realizes the rapid detection positioning of cylinder piece defect, when the ray transillumination imaging of cylinder piece is carried out, only single image is collected once for each imaging area, and the ray image of all areas of cylinder piece is obtained by splicing, simple operation, high efficiency.

The invention relates to a method and a device for generating an overview contrast image of a sample carrier in a microscope. The method comprises illuminating the sample carrier with transillumination light having a two-dimensional illumination array with individually switchable single light sources; taking a plurality of different raw overview images of the sample carrier, wherein for each raw overview image one of the individual single light sources is switched on; generating intermediate images from the raw overview images, wherein a brightness ranking of the raw overview image pixels is defined, each intermediate image is assigned exactly one brightness ranking, in each intermediate image for each pixel the raw overview image is sought in which the respective pixel has the brightness ranking to which the respective intermediate image is assigned, and the brightness value of the respective pixel of the found raw overview image is used; and combining the intermediate images to an overview contrast image, wherein the intermediate image assigned to the first brightness ranking is not considered and not included into the overview contrast image.

The utility model discloses an ultraviolet lamp box assembly of a gel imager, which comprises an ultraviolet lamp box provided with a sample transillumination area used for irradiating samples, and an automatic in-out mechanism used for driving the ultraviolet lamp box to move transversely. By arranging the automatic in-out bin structure, the in-out bin of the ultraviolet lamp box can be electrically controlled, the automation degree is high, samples are convenient to take and place, and compared with a traditional hand-pulled ultraviolet lamp box, the extra pollution risk caused by excessive contact of hands with the ultraviolet lamp box when the ultraviolet lamp box is pulled is avoided.

The invention relates to the technical field of tooth detection, in particular to a tooth health assessment method and system based on near-infrared transillumination, and the method comprises the following steps: S1, providing a near-infrared light source with the wavelength of 980nm to transilluminate teeth, and collecting near-infrared transillumination images of the teeth through a near-infrared camera; s2, inputting the near-infrared transillumination image into a pre-trained deep learning target detection model; s3, outputting positioning and classification results of lesion areas in the teeth through the deep learning target detection model; wherein the deep learning target detection model is an improved model based on a YOLOv8 architecture, and the improvement of the deep learning target detection model is that at least one standard CBS module in a neck network is replaced by a CBSv2 module; and the CBSv2 module is formed by sequentially connecting a deformable convolution DCNv2, a batch normalization BN layer and a SiLU activation function.

An ETT guide introducer (bougie) with video imaging, which comprises a body part including a hollow inner passageway extending to a distal section of the body part; and a video camera system including a housing mounted in the tip. The camera system further includes a camera and a light source configured to be inserted in the head section. Additionally, a method for external position visualization via transillumination using red light, a capability to deliver oxygen near the distal end, and the ability to inflate a balloon for widening an anatomical lumen.

The invention relates to a uterine transillumination device (1) for detecting scars on an uterus (100), particularly a human uterus, the device comprising at least the following components: a longitudinal body (1B) extending along a longitudinal axis (z), the longitudinal body (1B) having at least a tip portion (10) for being introduced in the cervix and the uterus cavity, wherein the longitudinal body (1B) further comprises a sheath portion (20) for the tip portion (10), wherein the tip portion (10) (A) is movable along the longitudinal axis (z) inward and outward the sheath portion (20), (B) comprises a first side (10-1) facing along a first radial direction (r1) away from the longitudinal axis (z) and a second side (10-2) facing toward the opposite direction of the first radial direction (r1), (C) comprises an illumination assembly (30) arranged on the first side (10-1) of the tip portion (10), wherein the illumination assembly (30) is configured to emit light radially away from the longitudinal axis (z) along the first radial direction (r1).

The method comprises the following steps: selecting a transillumination direction, dividing a to-be-detected welding joint into different areas according to the geometrical morphology and the structure of the to-be-detected welding joint, and selecting different transillumination directions according to the positions and the structures of the different areas; pasting, namely pasting a film on the surface of the to-be-detected welding joint by using a tool; transillumination: selecting transillumination parameters of the X-ray machine in different transillumination directions, and performing transillumination; and negative film evaluation: measuring negative film blackness and contrast sensitivity of the images obtained in the plurality of transillumination directions, and comparing a measured value with a reference value so as to determine whether welding seam detection meets technical requirements or not. According to the invention, the problem that the welding joint at the joint of the two cavities cannot be effectively detected due to the fact that the X-ray detection wire harness direction is perpendicular to the welding joint direction can be effectively solved.

The utility model relates to the technical field of aero-engine turbine blade radiographic inspection, in particular to a turbine blade crown radiographic inspection platform which comprises a base, a plurality of self-locking wheels are arranged on the base, a handle and an eight-claw vertical support are arranged on one side of the base, a transverse rod is arranged on the handle, a containing groove is formed in the transverse rod, and a plurality of self-locking wheels are arranged on the containing groove. A plurality of clamp transverse rods are arranged on the eight-claw vertical support, a plurality of locking clamps are arranged on the clamp transverse rods, locking nails and tenon tooth clamps are arranged on the locking clamps, a triangular support is arranged on the side, away from the eight-claw vertical support, of each clamp transverse rod, and a threaded lifting rod is arranged between the triangular support and the eight-claw vertical support. A lead plate is arranged on the threaded lifting rod, so that the turbine blade crown can be quickly clamped and placed when the turbine blade crown is detected, transillumination arrangement can be performed outside an X-ray machine room, long-time staying in the machine room for operation is not needed, the one-time detection quantity is large, the operation time is short, and the detection efficiency is greatly improved.

An ETT guide introducer (bougie) with video imaging, which comprises a body part including a hollow inner passageway extending to a distal section of the body part; and a video camera system including a housing mounted in the tip. The camera system further includes a camera and a light source configured to be inserted in the head section. Additionally, a method for external position visualization via transillumination using red light, a capability to deliver oxygen near the distal end, and the ability to inflate a balloon for widening an anatomical lumen.

The present application relates to the technical field of tooth detection, and in particular relates to a tooth health assessment method and system based on near-infrared transmission, comprising the following steps: step S1: providing a near-infrared light source with a wavelength of 980 nm to perform transmission on teeth, and collecting a near-infrared transmission image of the teeth through a near-infrared camera; step S2: inputting the near-infrared transmission image into a pre-trained deep learning target detection model; step S3: outputting the positioning and classification results of the lesion area in the teeth through the deep learning target detection model; wherein the deep learning target detection model is a model improved based on the YOLOv8 architecture, and the improvement lies in replacing at least one standard CBS module in the neck network with a CBSv2 module; the CBSv2 module is composed of a deformable convolution DCNv2, a batch normalization BN layer and a SiLU activation function connected in sequence.

The application provides a kind of gasifier finned tube fillet weld digital ray detection device and detection method, for detecting finned tube fillet weld at finned tube and header welding place.Detection device includes moving guide rail and scanner, utilize moving guide rail to realize multidirectional free movement, the ray emitted by X-ray machine passes through finned tube fillet weld, and utilize digital detector to receive the X-ray that transmits, and then image judges defect condition.Detection method includes the following steps: S1.plate arrangement;S2.transillumination scheme design;S3.sensitivity test block design and verification;S4.scattered ray shielding;S5.transillumination detection;S6.image evaluation.Adopt oblique double-wall source image imaging transillumination scheme, and the upper and lower parts of finned tube fillet weld are respectively transilluminated.Through detection to finned tube fillet weld subarea and the regulation of moving guide rail, effectively solve the problem that the structure of workpiece to be detected is complex, leading to digital ray detection system cannot be arranged, ensure that finned tube fillet weld is irradiated in all directions.

The invention discloses an egg fresh-keeping quality evaluation method and device and a medium, and relates to the technical field of food detection, and the method comprises the steps: adjusting the transmitting power of a transillumination light source according to the gray level distribution of a reference transillumination image under the condition of keeping a reference space attitude unchanged, forming a perturbation transillumination condition, and obtaining a perturbation transillumination image; a transillumination image is collected through an image sensor under the disturbance transillumination condition, and a disturbance transillumination image is obtained; in a unified image space coordinate, respectively executing space gradient calculation on the reference transillumination image and the disturbance transillumination image, and calculating a transillumination structure maintenance operator according to the change condition of gradient amplitude distribution; and determining a structure boundary mask region according to the gradient magnitude distribution of the reference transillumination image, and performing interval judgment on the fresh-keeping quality state of the to-be-evaluated egg in combination with the gradient change condition in the structure boundary mask region and a transillumination structure maintenance operator. Layered expression of overall space gradient change in the egg and structural boundary change of egg white, egg yolk, air chambers and the like is achieved.