131 results about "Vision Clear" patented technology

The invention relates to the technical field of endoscopic minimally invasive surgical instruments, in particular to a steerable suction, flushing and hemostasis electrocoagulation hook which comprises a main body assembly, a suction and flushing assembly, a suction and flushing assembly and a hemostasis assembly, and the main body assembly comprises a handle, a disassembly button and an adjusting part, the electrocoagulation hook assembly is arranged at the end of the handle and comprises a connector and an electrocoagulation hook arranged at the end of the connector, and a connecting channel is formed in the end of the connector; through the design of the rotating head and the adjusting component, all-directional operation of the electrocoagulation hooking degree is achieved, the flexibility and accuracy of an operation are greatly improved, damage to an operation area is reduced, a suction channel and a washing channel are integrated in the handle, the functions can be rapidly switched according to needs, and the operation is convenient. According to the surgical instrument, blood and exudates of a surgical site are effectively removed, the visual field is kept clear, the infection risk is reduced, in addition, the modular design and a locking rod mechanism ensure convenient replacement and maintenance of equipment, meanwhile, accidental movement or falling-off in a non-working state is prevented, and the surgical safety is improved.

The present invention discloses a car rearview mirror, which relates to the technical field of automobile accessories. It includes a mounting seat, a supporting mechanism, a protective shell and a mirror surface. The top of the mounting seat is movably provided with a supporting mechanism, and the top of the supporting mechanism is movably provided with a protective shell. The position of its internal components is effectively fixed by setting a fixing frame, so that it will not be offset with the shaking of the vehicle, and then the device is quickly installed and connected with the vehicle body by fixing the clamp bolt, which is convenient for its installation and saves installation time. It is sealed by a sealing gasket to prevent water from entering the inside and increase the service life of the device. At the same time, by applying force to the mirror surface, the mirror setting angle is adjusted by adjusting the rotating shaft, so that it is suitable for use by different groups of people. The device can better heat the mirror surface by setting an electric heating layer, better deal with the problem of fogging of the mirror surface, make the line of sight clearer, and effectively improve the practicality of the device, which is convenient for people to use.

The invention provides a quick replaceable bronchoscope interventional operation robot. The quick replaceable bronchoscope interventional operation robot comprises a base, a bronchoscope structure, a driving device, a first supporting part and a second supporting part, the driving device is fixed on the base, one end of the bronchoscope structure is connected with the driving device, the first supporting part is connected with the bronchoscope structure, one end of the second supporting part is connected with the base, and the other end of the second supporting part is connected with the first supporting part; the bronchoscope structure comprises a bronchoscope which is arranged in a first supporting part in a penetrating manner; the shell is used for opening or closing the bronchoscope structure; a through hole is formed in the shell, is communicated with the bronchoscope and is used for introducing external normal saline into the bronchoscope. The bronchoscope structure is stably supported through the base, the first supporting part and the second supporting part, external normal saline can be introduced into the bronchoscope through the through hole in the shell, the bronchoscope can be flushed in time, it is guaranteed that the visual field of the bronchoscope is clear, and the precision and safety of an operation are improved.

The invention relates to the technical field of biopsy picking devices, and particularly discloses a gastrointestinal endoscope biopsy picking device which comprises a flexible outer tube. The fixing base is fixedly connected with the end part of the flexible outer pipe; the number of the clamp flaps is two, and meshing teeth are arranged on the sides, close to each other, of the two clamp flaps; the opening and closing mechanism penetrates through the flexible outer tube and is connected with the two clamp flaps; according to the gastrointestinal endoscope biopsy extraction device, the expansion mechanism expands through the trigger type air bag, so that the root of a deep plica is expanded outwards, a dead angle area which cannot be expanded through conventional air injection is fully exposed, a doctor does not need to manually control an endoscope to push the plica or adjust the angle, semi-blind operation is not needed, missed diagnosis of a hidden focus is avoided, and the operation efficiency is improved. After the plica is unfolded, the clamp flaps can be vertically attached to a focus mucous membrane, the staggered design of the meshing teeth ensures that a tissue sample is firmly fixed, the focus is automatically exposed through the expansion mechanism, the endoscope view is clear, the operation process is simplified, and the sampling failure rate is reduced.

The utility model belongs to the technical field of medical instruments, and discloses an endoscope-based hemorrhoid ablation device which comprises an endoscope, an endoscope head end sleeve and an ablation needle assembly, the endoscope head end sleeve is annular, a sheath tube hole is formed in the lower portion of the endoscope head end sleeve, the endoscope head end is sleeved with the endoscope head end sleeve, and the ablation needle assembly is arranged on the lower portion of the endoscope head end sleeve. The ablation needle assembly comprises a needle body part, a handle and a connecting line, the front end of the needle body part is sleeved with a sheath tube hole, the rear end of the needle body part is connected with the handle, the handle is provided with a push button, the needle body part comprises a needle body and a sheath tube, the sheath tube is fixedly connected with the front end of the handle, the tail end of the needle body is fixedly connected with the push button on the handle, and the connecting line is connected with the needle body. The front end of the connecting line penetrates into the handle to be connected with the needle body, and the connecting line is used for providing ablation electric signals. The ablation needle is combined with the endoscope through the endoscope head end sleeve, so that the visual field is clear, the operation is convenient, the accuracy and the reliability of a haemorrhoids operation are improved, and the operation difficulty is reduced.

The invention belongs to the technical field of medical instruments, and discloses a handheld portable high-definition visual maxillary sinus foreign body taking endoscope which comprises a control main body and a flexible probe, the control main body is provided with an operation panel, an adjusting knob and a pressing type switch, and the flexible probe is connected with the main body through a quick connecting mechanism. The far-end function module group comprises a camera, an LED light source, a mechanical grabbing device and a functional pipeline interface, the equipment controls the action of a bending section through a gear transmission assembly, a connecting rod mechanism realizes mechanical grabbing, a flushing pump and a negative pressure suction device cooperate to ensure clear visual field, and a wireless transmission module sends an image to an intelligent terminal. The whole design is compact and portable, the operation process is simplified, the accuracy and efficiency are improved, the problems of large trauma, high cost and the like in the prior art are solved, and the practical value is remarkable.

The invention discloses an intraperitoneal supporting device in a newborn laparoscopic surgery, and relates to the technical field of laparoscopic surgery auxiliary instruments, the intraperitoneal supporting device comprises a positioning sleeve and an outer tube, the outer tube is fixedly connected to the bottom of the positioning sleeve, an inner tube is connected to the upper portion of the positioning sleeve in a penetrating mode, and the inner tube penetrates through the outer tube and extends to the lower portion of the outer tube; an expansion mechanism and a driving mechanism are installed on the outer side of the inner pipe, the expansion mechanism is located below the outer pipe, and the driving mechanism is located above the positioning sleeve; the three upper expansion arms and the three lower expansion arms in the expansion mechanism can be driven by the driving mechanism to be opened at the same time, a three-dimensional space can be opened after the six expansion arms are opened in the vertical direction, the visual field in the space is clear, subtle operation of the laparoscopic surgery is more convenient, and compared with single planar supporting, the three-dimensional supporting effect is better, and use is more convenient.

The invention provides laminated glass, a projection system and a vehicle. The laminated glass comprises a first glass plate, a first bonding layer, a P light reflecting layer, a second bonding layer, a second glass plate and a P light anti-reflection layer which are sequentially stacked, the laminated glass is provided with an image display area, and the P light reflecting layer and the P light anti-reflection layer cover the image display area; the projection light comprises P polarized light, the internal reflection ratio RLp of the P light reflecting layer to the P polarized light with the incident angle of 70 degrees is larger than or equal to 40%, and the reflectivity of the P light anti-reflection layer to the P polarized light with the incident angle of 70 degrees is smaller than or equal to 2%. The P light reflecting layer and the P light anti-reflection layer are arranged in the laminated glass, and the projection light containing the P polarized light is adopted, so that the brightness ratio of the main image to the auxiliary image and the transmittance of the main image to the auxiliary image of the image display area can be improved, a bright main image is formed, a clear display image is obtained, the display effect of the display image is improved, the visual field outside a vehicle is clear, and the display effect of the vehicle is improved. And the visual experience of the user is improved.

The present application relates to the field of vehicle control, in particular to a cleaning control method and device for a rear windshield of a vehicle and the vehicle. The present application can gradually solve the defects of the prior art by detecting the cleaning state of the front windshield and synchronously controlling the rear windshield to perform corresponding cleaning. First, the vehicle cleans the front windshield, which itself reflects that the current environment is prone to fogging, frosting and other shielding problems. This is used as a trigger condition to automatically start the rear windshield cleaning, avoiding the problem of delayed vision caused by forgetting to turn on the rear windshield heating. Second, the cleaning mode of the front windshield is used to synchronously control the rear windshield, which can quickly match the demisting or defrosting demand and timely eliminate the fog and shielding of the rear windshield, ensuring a clear central rearview mirror vision when changing lanes and eliminating the safety hazards caused by poor vision. At the same time, the actual cleaning demand is used as the driving force to replace the indiscriminate fixed time operation, avoiding unnecessary continuous work and effectively reducing energy consumption.

The present application relates to the technical field of chip testing, and in particular to a test interface structure and a chip testing device. The test interface structure comprises: a substrate, which is arranged above a chip carrying platform and is mounted at the bottom of a light source provider; the substrate is provided with a plurality of spaced-apart and through-extended openings, the openings are provided with light-transmissive partition structures, the partition structures are configured to form a first partition space with a dry environment between the partition structures and the light source provider, and the partition structures are further configured to form a second partition space between the partition structures and the chip carrying platform, which allows dry gas to be filled or vacuumed; and a plurality of objective lenses, which are one-to-one correspondingly mounted in the plurality of openings and are located above the bottom surface of the partition structures. The test interface structure of the present application can make the field of view of the objective lens clear and facilitate testing.

The innovative aspirator head comprises a tubular handle and a working head part arranged at the front end of the tubular handle, an aspiration channel is formed in the tubular handle, the working head part is an integrally formed flat wedge-shaped aspiration head, and the aspiration channel is communicated with the aspiration channel. At least one suction hole communicated with the suction channel is formed in the stripping working surface; in the whole stripping process, wound surface errhysis is continuously sucked away through the suction holes, it is ensured that the operation view is clear, and the flat wedge-shaped head cannot pierce lung tissue due to the large contact area and the small pressure intensity; meanwhile, the flat wedge-shaped head is easy to insert into a gap, the pure flat blunt end ensures that the front end cannot be punctured, the clinical pain point that a traditional round-head aspirator is easy to poke into or tear fragile lung tissue is effectively solved, stable poking and separation of a fiberboard are achieved by increasing the stress area, and the safety and controllability of an operation are remarkably improved.

The utility model relates to the technical field of optical lenses, in particular to a miniature dot matrix contrast-reducing lens, which comprises a lens, the lens comprises a central optical area and a miniature dot matrix area, the miniature dot matrix area comprises two dot matrix structures, namely a large dot matrix with the diameter of 0.18 mm and a small dot matrix with the diameter of 20-30 microns, the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8, and the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8. The covering density of the dot matrix areas is 10-45%, the dot matrix spacing is 0.2-0.65 mm, the depth of the dot matrix is 2-8 microns, the edge of the dot matrix is provided with a smooth transition area of 0.05-0.1 mm, the lens further comprises micro-lens areas, and the micro-dot matrix areas and the micro-lens areas are alternately distributed. The central optical area of the lens is not covered by the dot matrix, so that clear view is guaranteed; the contrast of the dot matrix area is accurately regulated and controlled, full-view blurring is avoided, micro-lens defocusing and dot matrix contrast reduction are combined, eye axis growth is doubly inhibited, dot matrix size and interval optimization is achieved, and glare and visual interference are reduced.

This application provides a smoke-venting energy device and a surgical robot. The smoke-venting energy device includes an instrument housing assembly, a forceps assembly, and an instrument shaft. The forceps assembly includes an actuator, an insulating base, and a wrist joint; the instrument housing assembly has an instrument cable; the instrument shaft connects the forceps assembly and the instrument housing assembly, and the instrument cable passes through the instrument shaft and connects to the forceps assembly to drive the forceps assembly to perform surgical actions; a smoke-collecting component is disposed inside the instrument shaft to form a smoke-collecting chamber with the inner wall of the instrument shaft; the smoke-collecting chamber communicates with the smoke-collecting port and extends to the external surgical area, so that the smoke generated during the surgical actions enters the smoke-collecting chamber through the smoke-collecting port and is eventually discharged to the external surgical area, which can maintain a clear field of vision in the surgical area, which is beneficial for the doctor to accurately judge and operate the surgical area, and improve the continuity and safety of the surgery.

The invention relates to the field of dental pulp surgical instruments, and discloses a device for quickly cleaning diseased tissues around apical periodont.The device comprises a guide head, a scraping rod, scraping thorns, an adjusting rod, a main handle, an adjusting knob and an annular clamping groove; the guide head is fixed to the top end of the adjusting rod, the elastic scraping rods are evenly distributed along the circumference of the conical bottom of the guide head, the scraping thorns and the scraping rods are integrally formed, the scraping thorns are in a barb shape and evenly distributed in the length direction of the scraping rods, and the two ends of the scraping rods are connected with the conical bottom of the guide head and an annular clamping groove in the front end of the main handle respectively. And the adjusting knob is sleeved outside the main handle and is in threaded engagement with the adjusting rod. A linkage adjusting structure of the adjusting knob, the adjusting rod and the scraping rod and an elastic material are adopted, and the device can be contracted, unfolded and bent, so that the device is matched with a periapical bone cavity structure, periapical lesion tissues are thoroughly scraped and cleaned, the problems that a manual curette is poor in bone cavity adaptability and has a blind area are solved, the scraping efficiency is high, operation is standardized and safe, bone tissue damage is avoided, and the device is suitable for popularization and application. The cleaning effect is good and the view is clear.

The utility model relates to a kind of low material effective type simple neuroendoscope sleeve, including sleeve main body and the double-lumen catheter of insertion sleeve main body inside, sleeve main body front end is provided with arc section, double-lumen catheter includes coaxially arranged main cavity and annular auxiliary cavity, annular auxiliary cavity front end is connected annular air bag by hot-pressing, tail end is connected inflation device by luer joint, double-lumen catheter tail end outer wall is fixedly connected with limit ring, and sleeve main body is equipped with magnetic attraction type limiting mechanism between limit ring;Concentric double-lumen design ensures that operating channel is unobstructed, magnetic attraction type limiting mechanism realizes quick positioning, combined with the concentric unobstructed form after air bag inflation, form stable unobstructed operation space, ensure clear vision, and avoid repeatedly adjusting position;Meanwhile, pressure indicator real-time monitoring air bag pressure, multi-dimension reduces tissue damage risk.

This invention discloses a respiratory protective face shield, comprising a helmet and a face shield that allows visible light to pass through. The face shield is located on the front of the helmet and is movably connected to the helmet, allowing it to cover the wearer's face. A transparent electrically heated film is provided in the transparent area of ​​the face shield that allows visible light to pass through. The helmet is equipped with a power supply component for providing electrical power. The electrodes of the electrically heated film are electrically connected to the power supply component. An air inlet is located on the rear of the helmet for connecting to an air supply device. An air passage is provided inside the helmet, with one end connected to the air inlet and the other end extending to the front of the helmet and communicating with the space between the face shield and the wearer's face. This invention provides a respiratory protective face shield that can reduce water vapor on the inner surface of the face shield during wear, ensuring a clear field of vision for the wearer.

The invention provides an auxiliary retractor for laparoscopic surgery, and belongs to the technical field of medical instruments. Comprising a drag hook body, a notch is formed in an inner cavity of the top of the drag hook body, a suction opening is fixedly connected to the end of the drag hook body, and an L-shaped connecting frame is fixedly connected to the end of an inclined supporting frame; the supporting and stabilizing assembly is used for enhancing the stability of the drag hook body and tissues in the skin, and the supporting and stabilizing assembly is connected with the drag hook body. By arranging the supporting and stabilizing assembly, when making contact with tissue in the skin, the drag hook body makes contact with the supporting and stabilizing assembly, the drag hook body is lifted upwards and attached to the tissue in the skin, shaking of a doctor to the tissue in the skin during surgical operation can be relieved, the situation that tissue fluid is squeezed and overflows is reduced, and outflow of a large amount of tissue fluid is reduced; clear view during an operation is ensured, and operation hidden dangers caused by view problems are reduced.

The invention belongs to the technical field of medical auxiliary instrument preparation, and relates to an anti-infection medical safe sampling device, a main body of which is provided with an upper support part and a lower support part which can be opened and closed and are provided with sealing sleeves at the front ends, and is used for collecting oral solid-liquid specimens, opening the oral cavity and preventing the sampling from being influenced by conditioned reflex closing of a human body. Meanwhile, air pollution and infection of medical staff due to the fact that bacteria in the air channel of a sampled person are sprayed out are prevented, and cross infection and influence on the accuracy of collected samples due to sample pollution caused by external air are avoided; light illumination is arranged, so that the operation visual field is clear, the operation accuracy is improved, a switch is arranged at the position touched by the handle, and the sampling convenience is improved; the device can also be used for manually collecting solid-liquid composition test samples at parts such as nasal cavities, ears, anus and private parts, so that surrounding tissues are prevented from being accidentally injured during sampling, the influence of external air or bacteria is effectively blocked, and cross infection of the samples is effectively avoided; the device is reasonable and simple in overall structural design, safe, reliable, good in universality, convenient to popularize and friendly in application environment.

The utility model relates to an underwater robot vision clear device which comprises an underwater robot body, a lens body is arranged on the right side face of the underwater robot body, a fixing ring is arranged on the periphery of the lens body, a protective cover is arranged in the fixing ring, and a cleaning assembly is movably installed outside the protective cover. According to the clear vision equipment for the underwater robot, through the arrangement of the filtering assembly, water can be further filtered through the arrangement of a first filtering layer, a second filtering layer, a third filtering layer and a fourth filtering layer, so that clean water enters the protective cover, and the situation that the observation effect of a lens body on objects in water is affected by turbid water is avoided; according to the cleaning assembly, a micro driving motor is started, and an output shaft of the micro driving motor drives a gear to be meshed with an outer gear ring, so that a rotating ring is driven to rotate, the rotating ring can further drive a cleaning plate to rotate, the UV lens is cleaned, and the observation quality of the lens body on an observed object is improved.

The utility model provides a counting device under a low-power optical microscope, which belongs to the technical field of biological instruments and comprises a glass slide, bosses, a liquid adding area and a counting area are arranged on the glass slide, the liquid adding area is positioned between the two bosses, the liquid adding area is communicated with the counting area, and counting scales are arranged on the counting area; the liquid adding areas are used for adding sample liquid to the liquid adding areas, the counting areas are used for observing and detecting the sample liquid, and the number of the liquid adding areas and the number of the counting areas are both three. The counting device provided by the utility model is suitable for an optical microscope under a 40-time lens, the width of the long-strip-shaped counting hole of the counting area is just equal to the width of a visual field, the visual field is clear and is not easy to mix, and the counting device only needs to move towards one direction (leftward or rightward) during counting, so that the counting accuracy and efficiency are greatly improved, and the counting efficiency is greatly improved. The problems of inaccurate counting such as weighing and missed counting when the sample liquid is counted under an optical microscope at present are effectively solved.

The present application relates to swimming equipment technical field, disclose a kind of anti-fog goggles, including goggles body, the inner side of the lens of the goggles body is provided with scraping strip and the driving component for driving scraping strip to move, the horizontal end of the goggles body is provided with first recess, cavity and second recess, the cavity is provided with two, two The cavities are located respectively in the upper and lower sides of first recess.This application, when the user swims, water flow is used as power, scraping strip is driven by driving component and moves along the lens, so that the water mist on the lens is scraped off, while the user lifts head out of water surface to breathe, driving component can also discharge hot air existing in the space between lens and user's eye, so as to further reduce the temperature difference between the space and swimming pool water, so as to help reduce the generation of water mist, so that anti-fog agent is not used to reduce the damage to eye, and ensure the clear vision of user.

The utility model discloses a ureteral flexible mirror belongs to medical instrument technical field, including handle shell, one end of handle shell is rotatively connected with joint, the outside fixed connection of joint has mirror body sleeve, the other end fixed connection of handle shell has first channel pipe, the end of first channel pipe is communicated with first sheath pipe channel, first sheath pipe channel sets up inside handle shell, the inside fixed connection of handle shell has connecting block, and one end of first sheath pipe channel is inserted in the inside of connecting block, the utility model discloses a first channel pipe and second channel pipe are set up, better satisfy clinical treatment demand, when perfusion physiological saline maintains clear vision and operation space, another channel carries out operation, guarantees operation visual field clear, avoids the tissue damage because of visual field fuzzy, improves the operation convenience, solved the single problem of existing ureteral flexible mirror working channel.

The present application belongs to the technical field of medical auxiliary equipment, and discloses a speculum with a light source, which comprises a speculum body composed of two duck-bill or hawk-bill shaped upper and lower expansion pieces that can rotate around a pin shaft, a fixed ring and an extension part arranged at an observation window of the upper expansion piece, and the fixed ring is provided with a fixing assembly; the fixing assembly comprises a mounting seat rotatably connected to the fixed ring, a movable ring coaxially rotatably connected to the side surface of the mounting seat, an active block one and a plurality of circumferentially distributed active rods movably connected to the side surface of the mounting seat, a fixed block extending into the movable ring arranged at one end of the active rod, and an active block two movably connected to the movable ring and sleeved on the active rod; the active block one is rotatably connected to a threaded rod one, and the threaded rod one is sleeved with an active block three movably connected to the movable ring; the side surface of the mounting seat away from the movable ring is provided with at least two illuminating lamps, and the present application can realize 360-degree rotation of the speculum and always ensure that the field of view of the part to be examined is clear and visible.

This utility model discloses a multi-angle observation hysteroscopic device, relating to the field of medical equipment assistance. It includes a main body, a guide sheath, a front catheter, a rear catheter, an interface connector, control forceps, a cleaning channel, a control channel, a light source, a steering mechanism, a flexible lens, and a saline outlet. In this utility model, the doctor can simultaneously observe both sides of the uterine wall through flexible lenses A and B without reversing the device or frequently adjusting the angle, improving operational convenience. The steering mechanism allows for flexible control of the lens angle, further optimizing the field of view. The cleaning channel, through the saline outlet, removes secretions or haze from the observation area, ensuring a clear view. The light source provides uniform illumination through the front catheter, ensuring good brightness in the field of view. The control channel and steering mechanism work together to ensure the doctor can accurately control the lens direction, improving the accuracy of the examination.

The utility model discloses a gradient microstructure optical lens adapted to a simulated outdoor environment, which comprises a substrate and a microstructure layer, the microstructure layer comprises a lower high-density area, a middle transition area and an upper low-density area, the microstructure layer is provided with a plurality of uniformly distributed microstructures, and the microstructures are arranged on the substrate. The density of the microstructures is gradually reduced from the lower part to the upper part along the vertical direction of the lens, and the gradient change range of the density of the microstructures is that 2-5 microstructures are reduced per millimeter. According to the gradient microstructure optical lens adaptive to the simulated outdoor environment, targeted anti-dazzle is achieved, and the dense microstructures on the lower portion effectively restrain ground reflection light which accounts for more than 60% of an outdoor dazzle source; visual field definition optimization: the upper sparse arrangement reduces interference to a long-distance visual field; and ergonomic adaptation: the visual behavior characteristic that the downward watching proportion of human eyes is 70% during outdoor activities is met.

The present application relates to the technical field of gynecological examination, in particular to a gynecological clinical examination and diagnosis process field of view definition enhancement system and implementation method thereof. It includes: image acquisition and preprocessing unit real-time acquisition of gynecological examination process field of view image, and the field of view image is pretreated; feature extraction unit extracts key features from the field of view image after pretreatment; definition evaluation and optimization unit generates definition score based on key features, uses polarization difference image and polarization average image to decouple and correct feature interference caused by mucus scattering and tissue reflection, generates optimized definition score, and generates definition optimization parameters through multi-task learning model; field of view enhancement execution unit enhances the definition of field of view image based on definition optimization parameters. The present application carries out feature correction from the imaging physical mechanism, so that the definition score can more truly reflect the intrinsic details of the tissue, and provide reliable basis for subsequent accurate enhancement.

The invention relates to the technical field of automobile active safety, and discloses an anti-dazzle windshield control system and device.The system comprises a light sensing unit, a control unit, an execution unit and a polarized light adjusting unit.The adaptive control unit is arranged, and when windshield dazzle is inhibited in real time, the adaptive control unit can automatically adjust the polarized light of the windshield; a fuzzy control rule based on the dynamic characteristics of ambient light is established, differentiated polaroid adjustment strategies are set for different illumination intensities, the adaptability of the system to complex illumination conditions is ensured, meanwhile, glare intensity changes caused by sudden change of light are processed in real time, and the dazzling effect is improved. The problems of response lag and adjustment misalignment caused by too high change rate of ambient light intensity can be effectively avoided, the accuracy and timeliness of glare suppression are ensured, the view definition and driving safety of a driver in a strong light environment are improved, and when angle deviation is detected, the angle of the polaroid can be dynamically corrected according to a real-time calibration instruction, so that the driving safety of the driver is improved. And the reduction of the anti-dazzle effect caused by angle deviation is reduced.

The application discloses a mountain blasting construction method and a dust falling device, and relates to the technical field of blasting construction, which has the technical scheme as follows: one, excavating a drilling platform for walking and a slope forming platform at the edge slope of a mountain top; two, a drilling equipment walks on the drilling platform and drills blast holes along an angle parallel to the edge slope; three, equidistantly arranging and distributing the dust falling device on the slope forming platform; four, using electronic detonators to initiate a hole-by-hole network; five, cleaning the mountain rock after blasting and processing the edge slope; six, repeating steps two to five until the construction reaches the position of the slope bottom. The method is implemented in combination with the dust falling device, can reduce the flying dust after blasting in the process of blasting the mountain in sections, makes the visual field clear after blasting, can help the staff to observe the rock rolling condition, so as to adaptively adjust the blasting work in real time, reduce the construction safety hidden danger, and also reduces the pollution to the environment.

The application relates to a projection display glass and a vehicle. A second glass plate is provided with an anti-reflection film on the side facing the internal environment, the mirror reflectivity of the side of the second glass plate facing the internal environment is RL', 1%≤RL'≤8%, RL' is small, thereby reducing the overlapping interference of the reflection on the projection display picture. In addition, RL0>10%, which can ensure the mirror projection display effect. In addition, under the mutual superposition of high haze and low transmittance, the improvement effect of the strong light halo is more remarkable, the interference on the projection display picture is greatly reduced, and the projection display picture is clear. In addition, the total assembly transmittance TL min ≥0.25%, which is not too small, avoiding that the total assembly transmittance TL min is too small to increase the mirror reflectivity and reduce the product performance, and the total assembly transmittance TL min is large enough, so that the field of view of the external environment of the projection display glass is clear. In addition, the total assembly transmittance TL max ≥1.41% when the light state is bright, the total assembly transmittance TL max is large enough, and the field of view of the external environment is clear.

The utility model discloses a multifunctional trachea cannula catheter which comprises a base section and a pilot section. The multifunctional trachea cannula catheter is provided with an oxygen channel and a working channel side by side, the oxygen channel and the working channel both penetrate through the pilot section and the basic section, and the pilot section is suitable for being in a normal state and keeping a bending angle relative to the basic section during use. Compared with the prior art, the catheter has certain hardness, when the catheter is inserted into the oral cavity and the glottis, the catheter does not need to swing and twist for plasticity, and the catheter is not prone to bending and entering the esophagus by mistake; the catheter has a certain bending angle and hardness, so that the requirement of a doctor on the backward leaning of the head of a patient is reduced during intubation; the catheter is not easy to bend due to the pressing of the epiglottis, the catheter can supply oxygen uninterruptedly, and the breathing problems such as upper airway obstruction of a patient are solved; sputum in the oral cavity can be sucked out conveniently, and the visual field is kept clear.