14 results about "Visual examination" patented technology

Near infrared imaging is highly complementary to color imaging having a wide range of applications. For example, in health applications, the near infrared can provide biomolecular information on tissue that is not apparent under visual examination nor from the inspection of color images of tissue. Thus, there is utility in viewing both visible color and near infrared images in combination. Described herein are methods to perform visible and near infrared imaging as well as hybrid visible color and near infrared imaging with a single conventional color filter array RGB sensor. The methods automatically provide spatially co-registered color and near infrared images and the methods can be used as the basis for a multispectral or hyperspectral imaging system.

To provide a dental information processing device, a dental information central processing system, a dental information processing method, a program, and a program storage medium that enable the creation of dental information such as dental charts based on the results of mass health checkups using stress-free voice input. [Solution] This system is for creating dental health examination forms during dental checkups and comprises: a voice recognition function that recognizes findings information input by voice during a visual examination by a dentist; a generation AI unit that structures the findings information recognized by voice recognition; a tooth condition display unit that displays the condition of the teeth in a dental formula by the generation AI unit; and a voice command input unit that receives tooth symptoms input by voice commands from the dentist.

To provide a visual testing tool that enables accurate testing in visual examinations for infants and children, such as the visual examination during the 3-year-old health checkup. [Solution] A visual examination device 1 for use in visual examinations, comprising at least two surfaces, wherein one surface 10 has a target 11 for visual acuity testing, and the other surface 20 has a target 21 for binocular vision testing. Preferably, the target for binocular vision testing is made by attaching alternating strip-shaped images for the right eye and left eye to a lenticular lens, and more preferably, the target for visual acuity testing and the target for binocular vision testing are made such that the testing distance for visual acuity testing using the target for visual acuity testing is the same as the testing distance for binocular vision testing using the target for binocular vision testing, in which case the testing distance is preferably 30 cm to 40 cm.

A device suitable for direct visual examination and sample collection from the digestive tract and vagina. The device comprises a main body and an observation channel situated inside the main body comprising a first closed end and a second end. The device further comprises an obturator for insertion into the main body, the obturator comprising a longitudinal groove arranged to accommodate the observation channel and a tip comprising a resiliently deformable portion. The resiliently deformable portion is adapted to deform to allow the obturator to pass over the observation channel as the obturator is being inserted into the main body and to restore to its original shape once the tip has passed over the observation channel and the obturator is fully inserted into the main body.

This invention discloses a pupil parameter measuring instrument and method, including a pupil pen and a back-end analysis and processing platform. The pen's head, middle, and tail are detachably connected. A miniature infrared camera is located at the center of the pen's front end. Several infrared supplementary lights, a visible light source, and a distance sensor are located at the front end of the pen's head. The miniature infrared camera, infrared supplementary lights, visible light source, and distance sensor are all electrically connected to a flexible PCB board. A microcontroller and a motor are located within the middle of the pen, and a display screen is located on the pen's housing. A power module is located within the tail of the pen. The microcontroller is electrically connected to the flexible PCB board, the motor, and the display screen. The pupil pen is connected to the back-end analysis and processing platform via a wireless communication module. This invention provides a pupil parameter measuring instrument and method that effectively reduces the subjective errors caused by traditional visual examination through multi-dimensional quantitative monitoring of pupil diameter, constriction rate, and constriction speed.

The invention discloses a detection device. A reference sighting mark chart and a reference vision value conversion ruler are made by setting a reference sighting mark with a fixed size. A plurality of reference vision values and visual distance values can be measured at the same time by using the reference sighting mark chart and the reference vision value conversion ruler. The reference vision value is a universal five-minute vision value; the visual distant vision value is a direct recorded value of the length value of the distant vision. By applying the detection device, two types of visual values with sufficient quantity can be provided at the same time, the precision and intuition of the visual distance ability detection value are improved, and the higher requirements of visual examination of children and adolescents on the visual measurement range and the recognition of tiny visual change are fully met.

A device suitable for direct visual examination and sample collection from the digestive tract and vagina. The device comprises a main body and an observation channel situated inside the main body comprising a first closed end and a second end. The device further comprises an obdurator for insertion into the main body, the obdurator comprising a longitudinal groove arranged to accommodate the observation channel and a tip comprising a resiliently deformable portion. The resiliently deformable portion is adapted to deform to allow the obdurator to pass over the observation channel as the obdurator is being inserted into the main body and to restore to its original shape once the tip has passed over the observation channel and the obdurator is fully inserted into the main body.

The invention relates to an optical instrument for assisting in visual examination of a cavity, in particular to an insertion shaft for electrically driving a mirror tube, comprising: at least two wires, the proximal end of each wire being anchored at the proximal end of the insertion shaft or at an anchoring point at a predetermined position on the insertion shaft, the distal ends of the leads are respectively anchored at distal anchor points between the distal end and the proximal anchor point of the insertion shaft, the leads extend around the central axis of the insertion shaft, and each lead comprises a bidirectional memory material capable of shrinking when heated to or above a first predetermined temperature and restoring to its predetermined original length when cooled to or below a second predetermined temperature; the active cooling system comprises at least one thermoelectric cooling sheet, and the thermoelectric cooling sheet is arranged in the axial direction of the wire and is thermally coupled with the wire; the micro fluid channel network is embedded into the frame and is communicated with the external cooling liquid interface; and the control unit is used for activating the thermoelectric cooling sheet and the cooling liquid to circulate after the wire is powered off, so that the temperature of the wire is reduced to a second preset temperature within 0.5-3 seconds.

The invention provides a radiolabeled single-stranded DNA probe suitable for early noninvasive diagnosis of lupus nephritis, and belongs to the technical field of detection of systemic lupus erythematosus. The preparation method comprises the following steps: (1) mixing eluted < 68 > GaCl3 and NOTA-A20, reacting, and purifying, so as to obtain < 68 > Ga-A20; and (2) adding the 68Ga-A20 obtained in the step (1) into a buffer solution containing T20 and ssDNA, and carrying out hybridization, so as to obtain the radiolabeled single-stranded DNA probe [68Ga] Ga-NOTA-ssDNA. The radiolabeled single-stranded DNA probe has good kidney targeting and imaging effects in early diagnosis of LN, is expected to provide a safe and accurate non-invasive visual examination means for early diagnosis of LN, and has a good clinical application prospect.

The utility model discloses pocket visual chart examination equipment, and relates to the technical field of visual examination equipment. The device comprises a lens cone, wherein an observation window is formed in the front end of the lens cone; the vision screen is mounted in the lens cone; the light source is arranged in the lens cone and located on the rear side of the vision screen; the iris diaphragm is arranged in the lens cone and located on the front side of the vision screen, the iris diaphragm is connected with a diaphragm indication drive plate used for adjusting the visual range, and the diaphragm indication drive plate is rotationally arranged at the rear end of the lens cone in a sleeving mode; and the eyepiece is arranged in the lens cone and close to the observation window. A lens is used between the vision screen and an observer, the observation distance is shortened, the distance between two points of the visual chart is reduced or enlarged in an equal proportion, the two points reach the visual angle needed by the fundus, illumination, the vision screen, a light path and an observation opening are integrated into a space, a pocket type handheld device is formed, self-examination can be completed by holding the visual screen close to the eyes, and the visual chart is convenient to use. The device is small in size, attractive, convenient to take out for use at any time and convenient to store.

The invention provides an oral mucosa pressure injury detection method. The method relates to the technical field of medical diagnosis and image processing, and comprises the following steps: S1, shooting a to-be-detected oral mucosa by using an endoscope to generate an oral mucosa image, and synchronously acquiring physiological parameters of the oral mucosa through sensing equipment; s2, inputting the oral mucosa image into an image segmentation device, and segmenting a first pressure sore image through the image segmentation device; s3, the first pressure sore image and the physiological parameters are input into an image encoder, and image encoding features and multi-mode sensor encoding features are extracted. The oral mucosa pressure injury detection method thoroughly gets rid of high dependence of traditional visual diagnosis and palpation on clinical experience and traumatic limitation of tissue biopsy, micro injury can be monitored and quantitatively output in the early stage, and an objective and reliable technical means is provided for early discovery and early intervention.

The invention discloses a visual inspector for a tracheal cannula and an inspection method of the visual inspector, and belongs to the technical field of medical instruments. In order to solve the technical problems that a camera of existing trachea inspection equipment is easy to pollute and inconvenient to clean, and liquid easily enters a trachea during cleaning, the inspector is matched with an outer sleeve through a detachable connecting box, a core head containing a micro camera is arranged in the inspector, and a cleaning mechanism composed of a driving piece, a positioning piece and a water spraying piece is adopted, so that the automatic cleaning function of the camera is achieved. According to the specific structure, a mounting base is arranged in a connecting box, and a core head is connected with external display equipment through a wire; the rotating disc is driven by a motor to rotate to drive an internal brush to clean the camera; the water spraying piece composed of the sleeve rod and the piston rod is driven by the eccentric ring of the rotating disc to achieve reciprocating spraying of cleaning liquid. According to the device, a trachea image can be obtained in real time in the examination process, cleaning operation is completed through mechanical linkage when the camera is polluted, the risk of cross infection is effectively avoided, and convenience and safety of visual examination of the interior of the trachea are remarkably improved.

The invention discloses a visual chart lamp box with multi-control-mode dimming, and relates to the technical field of visual examination lamp boxes, the visual chart lamp box comprises an equipment shell, a mounting cavity is formed in the equipment shell, one side of the mounting cavity is rotatably connected with a light guide plate, the light guide plate is provided with a visual chart for visual examination, and a mounting seat is arranged on one side of the equipment shell and is rotatably connected with the light guide plate. The mounting base is movably connected with the equipment shell through a moving assembly, a mounting hole is formed in one side of the mounting base, and a containing groove used for containing the driving motor is formed in the middle of the mounting base. One end of the control assembly is movably connected with the mounting base, the other end of the control assembly is connected with an LED lamp tube, and the control assembly penetrates through the equipment shell; the multiple sets of LED lamp tubes are arranged, the LED lamp tubes are arranged at the corners in the mounting cavity correspondingly, and the LED lamp tubes are sealed through dustproof covers; the moving assembly is driven by the driving motor to enable the equipment shell to move up and down. The equipment shell moves up and down to drive the LED lamp tube to change the angle in the dustproof cover through the control assembly.

The invention discloses a detection method for an ultra-large type hard alloy circular saw blade base body, and relates to the technical field of saw blade base body detection. According to the detection method for the ultra-large type hard alloy circular saw blade base body, the diameter (D) of the ultra-large type hard alloy circular saw blade base body ranges from phi 2000 mm to phi 2800mm; the detection method comprises the following steps: step 1, appearance detection: detecting whether burrs and corrosion exist on the surface of a base body or not through visual inspection; checking whether cracks exist on the surface of the substrate by using a 10-time magnifying lens; the surface roughness of the base body is detected according to the regulation of GB / T6060.3; according to the detection method, through multi-dimensional detection (appearance, hardness, size, form and location tolerance, dynamic balance and the like), the surface quality, mechanical property, geometric accuracy and dynamic characteristics are covered, the quality defects of the ultra-large type hard alloy circular saw blade base body are accurately recognized, the product quality is guaranteed from the source, saw cutting operation faults caused by the base body problem are avoided, and the production efficiency is improved. And the overall performance and reliability of the saw blade are improved.