36results about How to "Easy for visual observation" patented technology

A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. The contents of the test chamber are exposed to the breath introduced into the chamber. The presence of a substance in the breath causes the indicator reagent to undergo a visually ascertainable change. The indicator reagent is secured within the test chamber between a pair of filter plugs having plural detents prevent slippage of the filters. Additional embodiments lower the user's risk of being cut by glass shards, prevent reagent inhalation, enhance the visual aspects of the device, and physically indicate the presence of breath flowing through the device.

A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule positioned inside the housing is ruptured by manual pressure through the walls of the housing. The contents of the ruptured ampoule are exposed to the breath introduced into the chamber. The presence of a substance in the breath causes the indicator reagent to undergo a visually ascertainable change. The ampoule is secured within the housing by a pair of filter plugs having inboard concavities to receive the rounded ends of the ampoule to center it within the housing, and plural detents prevent slippage of the filters. Additional embodiments lower the user's risk of being cut by glass shards, prevent reagent inhalation, enhance the visual aspects of the device, and physically indicate the presence of breath flowing through the device.

An assembly structured to inflate a retaining or pressure cuff of the type associated with an artificial airway tube such as an endotracheal tube and / or tracheostomy tube and concurrently monitor pressure therein including a casing having a pressure chamber on its interior. A pump assembly is movably connected to the casing and structured to force fluid flow to the retaining cuff, for inflation, through said pressure chamber. An indicator member is disposed within the casing and is visually accessible through casing window, wherein the indicator member is variably positionable dependent on and indicative of existing pressure within the retaining cuff. The existing pressure within the pressure chamber is substantially equivalent to that within the retaining cuff thereby facilitating the variable position of the indicator member to be indicative of pressure within the retaining cuff. A junction is disposed in interconnecting relation between the casing and an inflation lumen to the restraining cuff and is structured to allow disconnection between the casing and the lumen but prevent reconnection thereto.

An apparatus and method for minimally invasive suturing is disclosed. A suturing device for minimally invasive suturing includes proximal section having a proximal end, a distal end, and a longitudinal axis therebetween; a suture head assembly extending from the distal end of the proximal section; a suturing needle having a pointed end and a blunt end, the suturing needle capable of rotating about an axis approximately perpendicular to a longitudinal axis of the proximal section, wherein the pointed end of the suturing needle is positioned within the suture head assembly prior to and after rotation of the suturing needle; and an actuator extending from the proximal end of the proximal section to actuate a drive mechanism having a needle driver for engaging and rotating the suturing needle.

A syringe assembly for the delivery of medications or other liquid compositions including an elongated hollow barrel at least partially formed by transparent material and including an indicia assembly for indicating volume measurement of the contained fluid. The indicia assembly includes a first indicia section and a second indicia section extending along a common wall portion, wherein a segregating section is disposed between the first and second indicia section and is structured to visually segregate the visual markings of the first and second indicia sections while being sufficiently contrasted in appearance to facilitate the independent viewing thereof. The first indicia section is disposed and structured to be viewable through an interior of the barrel, while the second indicia section is disposed and structured to be viewable from an exterior of the barrel in a direction towards an exterior surface of the common wall portion.

The invention discloses an eyeglass lens with the high color contrast degree and a manufacturing method. The lens is composed of a base piece and a strengthening film layer, the base piece is formed by mixing and modulating high-molecular polymer, dispersing agents or solvents and ultraviolet light absorbers, the lens is formed by moulding the base piece, then, the lens is soaked in liquid silicide, and therefore the surface of the lens is coated with the silicide, and after heat baking and drying, the strengthening film layer is formed. According to the eyeglass lens with the high color contrast degree, the contrast resolution of the eyes to the colors can be relatively improved, most harmful ultraviolet rays can be effectively filtered out, a user can distinguish sceneries more easily, and therefore eye fatigue can be effectively relieved. Due to the effect of the polarizing coating layer, scattered rays harmful to vision are effectively blocked, and the user can watch the sceneries more clearly so that the effect of facilitating visual observation and enriching the colors can be achieved.

The invention provides an electrocardiograph signal baseline filtering method, and belongs to the technical field of electrocardiographs. The method solves the technical problem that existing electrocardiograph filtering methods are low in efficiency. On the basis of a principle of a mathematical morphology filtering method, baseline drift is removed; in the process of filtering out the baseline drift, erosion operation, dilation operation, opening operation and closing operation are mainly used; the most basic concept of mathematical morphology is a structural element equivalent to a probe which is constantly moved for matching; under the situation that the data amount is not large, the baseline drift can be removed quickly and thoroughly, and signals with the frequency about 10 Hz are removed by a Butterworth filter. The electrocardiograph signal baseline filtering method has the advantages that the filtering efficiency is high.

A gooseneck frame is disclosed which is attached to the forward ends of a pair of lift arms which extend forwardly from a vehicle such as a skid steer vehicle with the forward end of the gooseneck frame being secured to the forward end of a silt fence installing machine so that the silt fence installing machine is pulled through the ground in advance of the vehicle. An improved coulter disk is also provided which includes a cylindrical hub which limits the downward movement of the coulter disc with respect to the ground.

The invention provides an automatic door opening and closing structure for a high-voltage cabinet, and the structure comprises a cabinet body and a door plate, which form a closed cavity of the high-voltage cabinet. One surface, inside the cavity, of the door plate is fixedly provided with an inner door ring, and one surface, outside the cavity, is fixedly provided with an outer door ring. An inner side wall of the cabinet body is fixedly provided with a spring, and the spring tensions the inner door ring through an inner stay rope. The back surface of the cabinet body is fixedly provided witha coil, and the interior of the coil is provided with a magnetic moving block in a sleeving manner. An end part of the magnetic moving block is fixed at the rear end of an outer stay rope. A corner of an outer side wall of the cabinet body is fixedly provided with a pulley block. The outer stay rope is limited at the pulley block, and the front end of the outer stay rope is fixed at an outer pullring which sleeves the outer door ring. Through the setting of the spring, the coil and the pulley block, the door plate of the high-voltage cabinet can be opened under the condition that the power does not fail, so that an operator observes the condition of the interior, thereby greatly facilitating the maintenance. When the operator observes that the condition of the interior is good, the maintenance can be avoided, thereby avoiding the high cost caused by the frequent cut-off of power.

A method is disclosed for singulating die from a semiconductor substrate (e.g. a semiconductor-on-insulator substrate or a bulk silicon substrate) containing an oxide layer (e.g. silicon dioxide or a silicate glass) and one or more semiconductor layers (e.g. monocrystalline or polycrystalline silicon) located above the oxide layer. The method etches trenches through the substrate and through each semiconductor layer about the die being singulated, with the trenches being offset from each other around at least a part of the die so that the oxide layer between the trenches holds the substrate and die together. The trenches can be anisotropically etched using a Deep Reactive Ion Etching (DRIE) process. After the trenches are etched, the oxide layer between the trenches can be etched away with an HF etchant to singulate the die. A release fixture can be located near one side of the substrate to receive the singulated die.

The invention discloses a multifunctional nursing bed for nursing of the nephrology department. The nursing bed comprises a sickbed frame, a fixing cover, a sliding rail, a telescopic blocking cover,an adjusting frame, a clamping plate, a circulation cover, a connecting pipe, a heat supplying pipe, a thermally-insulated cover, a fan, a partition plate, a heater, a heat conducting bar, a filter element, a shell body, a weight displayer, a pothook, a placing groove, a weight sensor, a spring and a supporting plate. The multifunctional nursing bed for nursing of the nephrology department is ingenious in structure and powerful in functions, through the placement design of a combined urine guiding bag, a urine guiding device worn by a patient of the nephrology department can be conveniently stored and detected safely, medical workers can conveniently and quickly know the urine collecting amount, through the cooperative effect of a built-in heating mechanism, moisture of the lower part of the patient body can be effectively reduced, comfort of the patient is improved, the waist part of the patient can be kept warm, the blood circulation is accelerated, the purpose of promoting tissue metabolism is achieved, and finally, the multifunctional nursing bed is beneficial for clinical application and popularization.

An assembly structured to inflate a retaining or pressure cuff of a medical device of the type associated with artificial airway tube and concurrently monitor pressure therein. A pump assembly is movably connected to a casing and structured to force fluid flow, for inflation of a pressure chamber of the casing. An indicator member is visually accessible through a casing window and is variably positionable dependent on and indicative of existing pressure within the retaining cuff. The existing pressure within the pressure chamber is substantially equivalent to that within the retaining cuff thereby facilitating the variable position of the indicator member being indicative of pressure within the retaining cuff. A junction between the casing and an inflation lumen is structured to allow disconnection and prevent reconnection between the casing and the lumen.

The invention relates to a dismounting and mounting oil pressurizing technology for a nuclear power station shaft seal main pump motor flywheel. The technology comprises the steps that a shaft 2 is vertically hoisted into an inner hole of a flywheel inner sleeve 5 in a room temperature state and slightly falls until no gap exists between the outer diameter of the shaft 2 and the inner hole of a flywheel 3, and a gauge block is adopted to measure the distance between the surface F of the flywheel inner sleeve 5 and the surface E of the shaft 2 and denotes the value A. With adoption of the excessive shrinkage fit limiting and oil pressurizing callback technology, shrinkage fit stress can be completely released under the action of a high-pressure oil film, meanwhile, on the basis of the fact that the flywheel and the shaft are in 1:10 taper fit, the flywheel axially displaces by 10 units, the magnitude of interference changes by 1 unit, axial micro-movement of the flywheel can be accurately controlled through the oil pressure and oil mass control technology, and then micro-adjustment of the interference magnitude of the flywheel is controlled. According to the technology, high adjustment precision is achieved, the axial position deviation of the flywheel is adjusted to be + / -0.15 mm, the interference magnitude deviation is adjusted to be + / -0.015 mm, harmful stress residues are avoided, and installation precision is guaranteed.

A gooseneck frame is attached to the forward ends of a pair of lift arms which extend forwardly from a vehicle such as a skid steer vehicle with the forward end of the gooseneck frame being secured to the forward end of a silt fence installing machine so that the silt fence installing machine is pulled through the ground in advance of the vehicle. An improved coulter disk includes a cylindrical hub which limits the downward movement of the coulter disc with respect to the ground.

The invention belongs to the field of the measuring scale, and specifically discloses a measuring scale for quickly and precisely measuring high-speed rail overhead lines. The measuring scale comprises a scale body in a rigid straight scale structure, the scale body is orderly composed of four sections of measuring scales, and the four sections of measuring scales are connected as an integer through rotary bayonet locks; multiple fixed fixture blocks vertically bulged to the side of the scale body are orderly arranged at the scale body to an end tail part from an end socket part of the measuring scale body in an extension way; a measuring end is arranged at the scale body, length scales are arranged at a front face and a back face of the scale body measurement end, the total measurement length of the front face of the scale body measurement end is 1600mm, and the total measurement length of the back face of the scale body measurement end is 1630mm. The measuring scale for the high-speed rail overhead lines creatively adopts a four-fold structure, the scale body structure adopts the rigid steel scale to replace the flexible steel tape; the sizes of various parts are fixed and clamped on the rigid steel scale according to the distances of the parts, thereby once determining the sizes and distances of various parts on the high-speed rail overhead lines conveniently, effectively and precisely, and the mounting accuracy and the speed are improved.

The present disclosure relates to an illumination device for illuminating a body cavity in a surgical space during a surgical procedure. The illumination device comprises: a flexible elongated membercomprising a proximal end portion and a distal end portion; an illumination module disposed at the distal end portion of the flexible elongated member, the illumination module comprising a set of lighting elements for emitting light; and a control module disposed at the proximal end portion of the flexible elongated member, the control module comprising a set of user input elements for controllingthe set of lighting elements of the illumination module, wherein the illumination module is moveable with the flexible elongated member to an illumination position in the surgical space, such that light from the set of lighting elements is emitted into the body cavity for illumination thereof; and wherein the flexible elongated member is configurable for maintaining the illumination module at said illumination position in the surgical space when the control module is disposed on a fixed structure.

The invention discloses soft film replacement and nanoimprinting integrated equipment. The soft film replacement and nanoimprinting integrated equipment comprises a soft film copy station, imprintingstations, a lamination rack and a taking manipulator, wherein a plurality of imprinting stations are used for nanoimprinting, a carrying disc storage region and a soft film storage region are arrangedbetween the imprinting stations and the soft film copy station, two rows of the imprinting stations are arranged, the lamination rack is flush with one of the two rows of the imprinting stations, a wafer storage region and a waste soft film storage region are arranged on the lamination rack, the taking manipulator is arranged between the two rows of imprinting stations in parallel and is used forenabling a soft film on the soft film storage region to be matched with a carrying disc on the carrying disc storage region and sending the soft film and the carrying disc to the imprinting stationsafter matching, and the taking manipulator transfers between the imprinting stations and the wafer storage region and is also used for transferring a waste soft film on the imprinting stations to thesoft film storage region on the lamination rack. With the adoption of the soft film replacement and nanoimprinting integrated equipment, replacement of a new soft film and an old soft film is achieved, the equipment cost is low, each part is reasonable in layout, the operation efficiency is high, and the working strength of a worker is reduced.

A method is disclosed for singulating die from a semiconductor substrate (e.g. a semiconductor-on-insulator substrate or a bulk silicon substrate) containing an oxide layer (e.g. silicon dioxide or a silicate glass) and one or more semiconductor layers (e.g. monocrystalline or polycrystalline silicon) located above the oxide layer. The method etches trenches through the substrate and through each semiconductor layer about the die being singulated, with the trenches being offset from each other around at least a part of the die so that the oxide layer between the trenches holds the substrate and die together. The trenches can be anisotropically etched using a Deep Reactive Ion Etching (DRIE) process. After the trenches are etched, the oxide layer between the trenches can be etched away with an HF etchant to singulate the die. A release fixture can be located near one side of the substrate to receive the singulated die.

The invention provides a laser radar point cloud data 3D display enhancement method and system. The laser radar point cloud data 3D display enhancement method comprises the steps of M1, performing smoothing processing on gray values of point cloud data and gray values of point cloud data in a 3D neighborhood; M2, calculating a gamma value by utilizing the gray value of the point cloud data subjected to smoothing processing; and M3, performing point cloud data gamma transformation by utilizing the calculated gamma value to realize effective adjustment of the local contrast. The method and system can be applied to 3D display of the laser radar point cloud data, the visual effect of 3D display of the point cloud data is remarkably improved by adaptively adjusting the local contrast, and visual observation of the point cloud data is facilitated.

The invention discloses a method for automatically extracting a vehicle target in an SAR image. The method comprises the following steps: step 1, filtering an input two-dimensional SAR image; 2, carrying out local maximum value judgment on the filtered image; step 3, recording the maximum value coordinates obtained in each window, and marking the maximum value coordinates in the SAR image; and step 4, performing Taylor expansion on the peak point common and then converting the peak point common into a quadratic paraboloid equation. According to the method disclosed by the invention, automatic segmentation of vehicle targets and backgrounds such as land and grassland can be realized, and the extracted pure target SAR image (the background is pure black) is output. Meanwhile, the method can also output a pseudo-color image of the target after linear mapping and a target scattering center point marking graph, so that visual observation of personnel is facilitated.

The invention relates to a frame extracting method for conversion from an ultrahigh-frame-frequency image flow to a standard analog video flow. A triggering signal of the standard analog video flow issynchronized with a triggering signal of the ultrahigh-frame-frequency image flow; simultaneously, the phase relationship between the triggering signal of the ultrahigh-frame-frequency image flow andthe triggering signal of the standard analog video flow is adaptively adjusted; a frame of image signal is extracted from the ultrahigh-frame-frequency image flow according to an analog video period;the conflict between an ultrahigh-frame-frequency image processing time sequence and a standard analog video display time sequence can be effectively avoided; and thus, conversion from the ultrahigh-frame-frequency image flow to the standard analog video flow is realized. The method is implemented in an engineering manner; on the premise that the ultrahigh-frame-frequency image flow processing time sequence is not influenced and hardware storage resource consumption is not increased, conversion from the ultrahigh-frame-frequency image flow to the standard analog video flow can be realized; visual observation can be conveniently carried out; and the frame extracting method disclosed by the invention has good engineering applicability.

The invention discloses a method of plating a ZnO film on the surface of a metal material, and relates to the field of material surface modification. The method comprises the following steps: polishing the surface of the metal material, cleaning, putting in a magnetron sputtering furnace, and placing zinc oxide in a target, wherein the inter-electrode distance of the metal material and the zinc oxide is 3-5 cm; vacuumizing the magnetron sputtering furnace until the vacuum degree is 1.0*10<-4>Pa-5.0*10<-4>Pa, inflating argon until the pressure intensity if 1-10Pa, cleaning and activating the metal material; inflating the mixed gas of oxygen and argon until the pressure intensity is 20-35Pa, the sputtering power is 50-80W and the temperature in the magnetron sputtering furnace is 320-380 DEG C, and keeping the temperature; and turning off the power source, vacuumizing the magnetron sputtering furnace, cooling to room temperature, and discharging out of the furnace. The method disclosed by the invention is simple in process and low in cost; and the ZnO film has obvious luminescence characteristic in the abrasion process, and is low in friction coefficient and good in abrasive resistance.

The invention relates to an image fusion method based on gradient domain guided filtering and improved PCNN, and belongs to the field of image processing. Firstly, the source image is detected according to the three complementary image features of image structure, sharpness and contrast saliency, and an initial decision graph is obtained. This decision graph model can effectively and accurately measure the saliency of features, greatly improving the method's performance. Then, in order to make full use of the spatial consistency of the image and suppress the block effect in the image at the same time, the gradient domain-oriented filtering is used to optimize the initial decision graph, and the optimized decision graph is obtained; secondly, the optimized decision graph and the image to be fused are weighted operation to obtain the optimal decision map; finally, in order to make the fused image more in line with the visual characteristics of the human eye, the improved PCNN is used to process the optimized decision map to obtain the final fusion map. The invention solves the problems of complex method, low efficiency and excessive dependence on manual design of the traditional image fusion method, and at the same time, the fusion quality of the image is further improved.

The invention relates to a combing machine (1), comprising at least one combing unit (X1 - X16) for combing out fiber material (Z), which is fed to the combing unit in a conveying direction (F), wherein the combing unit has a nipper unit (10), which comprises a lower nipper plate (2) and an upper nipper plate (3) supported movably in relation to the lower nipper plate, and the lower nipper plate (2) has, on a top side thereof, a feed trough (19) with a feeding surface (ZF) arranged upstream, wherein a rotatably supported feed cylinder (9) protrudes into the feed trough, by means of which feed cylinder the fiber material (Z) is fed over a front guiding surface (VF) of a nipper lip (5) attached at the front end of the lower nipper plate (2), which front guiding surface follows the feed trough. In order to improve the accessibility to the top side of the lower nipper plate and of the combing cylinder rotatably supported below the nipper, according to the invention, as viewed against the conveying direction (F) of the fiber material (Z), a rear guiding surface (HF) adjoins the feeding surface (ZF) to the feed trough (19), wherein the feeding surface (ZF) and the rear guiding surface (HF) form an obtuse angle beta and as viewed in the conveying direction (F) of the fiber material (Z), the rear guiding surface (HF) extends in a falling manner at an angle alpha >= 35 degrees in relation to a horizontal plane (E).

The invention discloses a magnetic type template cover jig which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a bearing surface matched with the vertical projection of a template, the outer contour of the bearing surface is in a major arc arch shape, and a circle of concave annular groove is formed in the periphery of the bearing surface; a pressing ringwhich is matched with the vertical projection of the annular groove, wherein the pressing ring and the annular groove are detachably assembled; a cover plate which comprises a cover ring having adsorption force with the upper surface of the pressing ring, wherein a transparent plate is arranged in the middle of the cover ring, and the cover ring is further provided with an upwards-protruding handle. The pressing ring and the cover plate are made of ferromagnetic materials. According to the magnetic type template cover jig disclosed in the invention, the magnetic attraction force is utilized to adsorb and lift out the pressing ring, so that the space for replacing the template is reserved, and the template is efficiently and safely replaced.

The invention discloses an optical particulate material sorting machine. The optical particulate material sorting machine comprises a transfer unit, a particulate material inspection unit, a distinguishing unit as well as an eliminating unit, wherein the transfer unit is at least used for transferring qualified products, defective products and particulate materials containing foreign materials while continuously flowing; the particulate material inspection unit is at least used for simultaneously inspecting the qualified products, the defective products and the particulate materials containing the foreign materials which are transferred while continuously flow and, and the distinguishing unit is at least used for distinguishing whether the particulate materials are separation objects according to the inspection result obtained by the particulate material inspection unit and different color information of the inspected particulate materials; the eliminating unit is at least used for simultaneously eliminating the distinguished separation objects during continuous flow according to distinguishing information obtained by the distinguishing unit. The optical particulate material sorting machine provided by the invention sets a threshold value by effectively utilizing triple element color spatial information of RGB (red, green, blue) which is close to the visions of human beings to, and the judgment and a technology of an operator are not needed.

The invention relates to a frame extracting method for conversion from an ultrahigh-frame-frequency image flow to a standard analog video flow. A triggering signal of the standard analog video flow issynchronized with a triggering signal of the ultrahigh-frame-frequency image flow; simultaneously, the phase relationship between the triggering signal of the ultrahigh-frame-frequency image flow andthe triggering signal of the standard analog video flow is adaptively adjusted; a frame of image signal is extracted from the ultrahigh-frame-frequency image flow according to an analog video period;the conflict between an ultrahigh-frame-frequency image processing time sequence and a standard analog video display time sequence can be effectively avoided; and thus, conversion from the ultrahigh-frame-frequency image flow to the standard analog video flow is realized. The method is implemented in an engineering manner; on the premise that the ultrahigh-frame-frequency image flow processing time sequence is not influenced and hardware storage resource consumption is not increased, conversion from the ultrahigh-frame-frequency image flow to the standard analog video flow can be realized; visual observation can be conveniently carried out; and the frame extracting method disclosed by the invention has good engineering applicability.

The present disclosure relates to lighting devices for illuminating body cavities in surgical spaces during surgical procedures. The lighting device comprises: a flexible elongated member comprising a proximal end portion and a distal end portion; a lighting module disposed at the distal end portion of the flexible elongated member, the lighting module comprising a set of lighting elements for emitting light and a control module disposed at the proximal end portion of the flexible elongate member, the control module comprising a set of user input elements for controlling the set of lighting elements of the lighting module, wherein the lighting module moveable with the flexible elongate member to an illumination position in the surgical space such that light from the set of illumination elements is emitted into the body cavity for illumination; and wherein the flexible elongate member is configurable for maintaining the lighting module in the lighting position in the surgical space when the control module is disposed on a fixed structure.