276results about How to "Depth adjustable" patented technology

A surface electrode for ablating tissue is provided. The surface electrode comprises a base, a plurality of tissue penetrating needle electrodes extending from the surface of the base an adjustable distance, and an electrical interface coupled to the plurality of needle electrodes. The adjustability of the needle electrodes allows the depth that the needle electrodes penetrate through tissue to be adjusted.

The invention discloses a device for monitoring microcirculation imaging. The device comprises a light source system, a spectroscope, a light guide pipe, a reflecting mirror, an optical imaging probe, a polarization analyzer and a zoom optical system, wherein the light source system is used for supplying a polarized light of which a polarization direction is parallel to an incidence plane of a skin surface; the polarized light can reach to the reflecting mirror after being transmitted by the spectroscope and the light guide pipe; the reflecting mirror is used for adjusting an incidence angle of the polarized light projecting to the incidence plane of the skin surface; the optical imaging probe is used for collecting light rays which return to the skin surface after the scattering of a human tissue and transmitting the light rays to the polarization analyzer; the polarization analyzer is used for transmitting the light rays to the zoom optical system after filtering the light rays so as to collect images of the human tissue. According to the device provided by the invention, the transmission depth of the polarized light in the human tissue can be adjusted, a view field and a resolution ratio of the device can be adjusted in real time, and thus more meticulous observation to a specific area of the microcirculation imaging can be realized. The invention also discloses a method for monitoring the microcirculation imaging.

A method for manufacturing a plugged honeycomb structure has a process including the steps of: preparing an unplugged honeycomb structure, supplying ceramic slurry as a plugging material on an upper surface of a belt and leveling the ceramic slurry supplied on the upper surface of the belt by moving the belt to allow a blade having a straight-line side to pass in such a manner that the side of the leveling member is in parallel with the plane, and filling the plugging material into cells from openings on one side of the cells by pressing an end face on one side of the unplugged honeycomb structure against the leveled ceramic slurry. According to the present invention, there can easily be manufactured a plugged honeycomb structure having even depth of plugging members which plug open ends of cells.

A depth control mechanism for an agricultural seed planter is made up of an index plate, a T-handle, a spring, and a gauge wheel arm. The T-handle is moved into different positions which are indicated in the index plate. The spring and the gauge wheel arm allow for selective manual movement and locking of the depth adjustment.

A touch module includes an upper plate, a lower plate, a hinge structure, an elastomer and a touchpad assembly. The touchpad assembly is located over the upper plate. A first end of the upper plate and a first end of the lower plate are pivotally coupled to each other through the hinge structure. While the touchpad assembly is pressed down, a second end of the upper plate is swung downwardly relative to a second end of the lower plate and a switch element of the touchpad assembly is triggered. When the touchpad assembly is no longer pressed, the elastomer provides an elastic force to the upper plate. In response to the elastic force, the second end of the upper plate is swung upwardly relative to the second end of the lower plate and the touchpad assembly is returned to an original position.

A mold assembly including a plurality of mold components configured to form a mold cavity having a desired shape, at least one of the mold components having a notch configured to form a set-back flange in a masonry block formed in the mold cavity, the notch having a depth. The mold assembly further includes a moveable flange plate and a drive assembly configured to extend the moveable flange plate into and retract the moveable flange plate from the notch within a desired range of distances so as to adjust the depth of the notch.

The invention discloses a self-propelled U-shaped trench earth ditching and lining integrated machine, which belongs to the technical field of trench excavating equipment. The machine consists of a ditcher and a lining device, wherein the ditcher consists of crawlers, a machine set chamber, a ditching barrel, a conveying barrel, a delivering barrel, a reducer, earth reaming blades and the like; and the lining device consists of a hopper, a guide slip form, a forming slip form, an edge pressing plate, a distributing plate and a wing plate. In the invention, a U-shaped trench is ditched on the ground by the earth reaming blades and an earth cutting disc at the front end of the ditcher, the excavated earth is delivered to one side of the trench by the delivering barrel, and the depth of the ditched trench can be regulated; and anti-seepage lining operation of the formed trench is completed by the lining device at the rear end, so that the ditching and the anti-seepage lining of the trench are completed by one machine. The integrated machine has the advantages that: the ditched trench has a smooth bottom surface and a standard section; working efficiency is high; the problems of inconsistent depth of the trench ditched by the conventional machinery and incompactness of a lining layer and the problem that lining operation cannot be carried out at the corner of the trench are solved; and the integrated machine is suitable for ditching work in the industrial and agricultural production.

A length-adjustable vertebral body balloon catheter in which the location of the balloon can now be manipulated once an access cannula has been placed in the vertebral body. The device includes a collet such as a Touhy-Borst valve that allows the clinician

The invention discloses an earth auger for agricultural use. The earth auger comprises a pedestal, a rack, a support plate, a digging spindle and a drive unit. Two support columns are symmetrically arranged on the pedestal. The support plate is provided with guide sleeves which match the two support columns. The rack is mounted on the pedestal. Two hydraulic cylinders are symmetrically disposed on the rack. Output ends of the two hydraulic cylinders pass through the rack and press against the support plate. Two spring return mechanisms are symmetrically arranged on the pedestal between inner sides of the two support columns. A support is arranged at the middle part of the support plate. A vibration damper plate is disposed on the support. The drive unit is installed on the vibration damper plate. The digging spindle is mounted at an output end of the drive unit. The digging spindle passes through the pedestal. The middle and lower part of the digging spindle is provided with spiral wrench dragon vanes. The earth auger for agricultural use has advantages of simple structure, convenience in use and installation, simple operation, accurate digging position, adjustable digging depth, high digging efficiency, low cost, wide application range, long service life and safe and reliable effect.

The invention discloses an NP-type CMOS avalanche photodiode with a deep N-trap. The NP-type CMOS avalanche photodiode comprises a P-type substrate, an N-trap layer and an avalanche area. The N-trap layer and the avalanche area are arranged on the P-type substrate, the avalanche area is arranged between the P-type substrate and the N-trap layer to form a PN junction, a light absorbing layer is further arranged between the P-type substrate and the avalanche area, the light absorbing layer is the deep N-trap arranged on the P-type substrate, and the dosage concentration of the deep N-trap is larger than that of the P-type substrate. By means of the NP-type CMOS avalanche photodiode, the rate, the frequency response and bandwidth of avalanche photodiode devices are improved.

The invention relates to an underground micro-irrigation device, and belongs to the technical field of agricultural water-saving irrigation. The underground micro-irrigation device disclosed by the invention comprises a groundbreaking cone and an outer tube, wherein the groundbreaking cone is arranged at the lower end of the outer tube, an advance-retreat rotating rod, a water inlet pipe, a fixator, a soil scraper and an emitter are arranged in the outer tube, the fixator is arranged in the middle of the outer tube, the advance-retreat rotating rod and the water inlet pipe are fixed in the outer tube through the fixator, the soil scraper is arranged on the lower side inside the outer tube, a sliding rail is arranged at the lower part of the outer tube, and the emitter is arranged on the sliding rail. The underground micro-irrigation device disclosed by the invention can satisfy the water demands of crops; due to adoption of underground irrigation, water can be saved, so that the root system of a crop can achieve the best water uptake effect, and the utilization efficiency of water can be improved; the device can be inserted and drawn out randomly as required, and does not need to be pre-buried underground, the position and depth of irrigation can be adjusted, and the emitter has small possibility of being jammed; and the device is convenient to carry, easy to install, good in water-saving effect, and easy to popularize and apply.

A system for dividing a series of products within a display case, such as a freezer. The system includes a base positionable within the display case between products that are to be separated. The base is preferably formed from molded plastic and includes a series of horizontally extending support legs. The base includes a pair of parallel support arms that extend perpendicular to the support legs and are spaced from each other to define a receiving gap. The receiving gap is sized to receive a divider that can be positioned within the receiving gap. The base includes a series of support tabs each extending from the bottom wall of the base into the receiving gap to reduce the effective depth of the receiving gap. Each of the support tabs can be selectively removed from the base to increase the depth of the receiving gap. The depth of the receiving gap controls the amount of the divider extending past the top edge of the base. One of the support arms includes a locking member to securely hold the divider within the base.

The invention discloses a hard rock crushing system. The hard rock crushing system comprises a triangular crawler walking part, a cutting part, a working arm, a power part and a hydraulic system, wherein a bottom frame is arranged on the upper part of the triangular crawler walking part; a rotating frame is connected with the bottom frame through a rotating bearing; a rotating device, a water tank, an operating room, a working arm base, the power part and the hydraulic system are arranged on the rotating frame; the working arm is hinged to the working arm base; the cutting part is hinged to the bottom frame. According to the hard rock crushing system, the width of a machine body is small; the triangular crawler walking part is adopted, the environmental adaptability is high, the traction force is high, the climbing capacity is high, the obstacle crossing ability is high, the structure of each part is simple and compact, and the hard rock crushing system is convenient to assemble and disassemble; a trench with fixed width, adjustable depth and the rock hardness f less than or equal to 16 can be dug; the trench is regular; the labor intensity of workers is alleviated; the work efficiency is improved.

An agricultural implement includes a chassis; an implement frame carried by the chassis; a shank connected to the implement frame, the shank including a shank point configured to break apart soil and a load sensor associated with the shank point which is configured to output shank load signals as the shank point advances through soil; an actuator carried by the chassis and configured to adjust a depth of the shank point; and a controller electrically coupled to the load sensor and the actuator. The controller is configured to receive the shank load signals; generate a load profile from the received shank load signals; analyze the load profile to determine whether the shank point is in a soil compaction layer; and activate the actuator to adjust the depth of the shank point based on the analyzed load profile.

The invention relates to an electrochemical machining device and machining method and an electrode unit thereof. The electrochemical machining device comprises an insulation pipe and liquid metal in order to machine at least one workpiece; the workpiece and the insulation pipe are positioned in electrolyte; the insulation pipe comprises at least one hole; and the liquid metal is filled in the insulation pipe and extended into the hole for machining the workpiece for an electrode. In the invention, as the liquid metal is adopted as the electrode, the machining depth of the workpiece can be controlled by adjusting the position of the liquid metal extended into the hole, thereby improving the machining precision and saving the machining cost.

A machine or computer rule-based based translation system and method which translates texts (conveying their meanings) from one natural language to another. The system and method have a modular structure for organizing languages, which in combination with a transitory (indirect) method of translation allows for the creation of a multilingual system that is capable of translations in any direction between any of the included languages. Every linguistic module includes a dictionary of words and phrases, a list of operational functions, and parameters that guide the conversion processes needed to perform a translation from one language to another.

An embodiment in accordance with the present invention provides a device and method for a transrectal ultrasound (TRUS) guided prostate biopsy. The device includes an ultrasound wand equipped with a lateral fire ultrasound sensor. The ultrasound wand also defines a channel having an oblique path though the wand. The channel accommodates a biopsy needle, which can be pivoted as well inserted through the channel to different depths in order to perform a biopsy of the prostate. The device therefore uses only three degrees-of-freedom of movement in order to obtain the biopsy samples. Additionally, the ultrasound wand can be used to generate a three-dimensional image of the prostate.

The present invention relates to a depth of field adjustment device and method for an automatic document feeder. The automatic document feeder has a guiding groove for placing an object to be scanned. The guiding groove has a scanning window for providing image picking-up for an optical chassis. An adjustable suppressing mechanism located at the guiding groove in corresponding to the scanning window may drive the object to be scanned to pass through an optimal depth of field height of the scanning window. First, at least a part of the pre-scanned object is fed in to be located between the adjustable suppressing mechanism and the scanning window. The depth of field height is then adjusted and changed by the adjustable suppressing mechanism. And, the image of the pre-scanned object is compared with a pre-stored image. After the pre-scanned objected has been judged to be located at the optimal depth of field height, the adjustable suppressing mechanism is fixed and the pre-scanned object is sent out. Then, it may achieve a most clear image picking-up for scanning the object to be scanned.

A high temperature abrasion resistant guide plate is formed by compounding WC particle rod-shaped strengthening phase and a high chrome-nickel substrate. A honeycomb-shaped structure is formed on a macroscopic view, and a preparation method comprises the following steps of: preparing a high chrome-nickel guide plate, then machining blind holes which are evenly arranged in a work surface layer of the high chrome-nickel guide plate at stagger, placing WC particles and Ni base brazing filler metal in a ball mill for ball milling and mixing, adding phenolic resin and absolute ethyl alcohol in mixture, evenly mixing to press blanks and pellet, then filling obtained powder in the blind holes in the work surface layer of the high chrome-nickel guide plate and pressing to be solid, placing the high chrome-nickel guide plate with pressed powder into a drying oven for drying, placing dried high chrome-nickel guide plate into a vacuum oven or a gas shield oven for burning and brazing, and then conducting furnace cooling to a room temperature. The high temperature abrasion resistant guide plate has the advantages of being high in hardness and good in abrasive resistance and inoxidizability. The preparation method is simple in process, low in cost and high in process stability.

The invention discloses a soil-turning and trench-digging integrated device for agricultural sowing. The integrated device comprises a supporting transverse board. A supporting screw rod is connectedwith threaded hole through which the supporting screw rod penetrate in a fitting manner. The upper side of the supporting transverse board is provided with a transverse screw rod. Two ends of the transverse screw rod are mounted on the upper end surface of the supporting transverse board through a supporting seat. The transverse screw rod is provided with a helical sleeve in threaded fitting withthe transverse screw rod. The sidewall of the helical sleeve is provided with a fixed sleeve which is fixedly mounted. A vertically downward suspension shaft penetrates through the fixed sleeve. The lower end of the suspension shaft further penetrates through a transition through hole on the supporting transverse board. The bottom end of the suspension shaft is provided with a soil turning drill bit. One side of the bottom end surface of the supporting transverse board is also provided with a suspension bracket. The lower side of the suspension bracket is provided with a trench digging plough.The soil-turning and trench-digging integrated device has advantages of simple structure, high soil-turning and trench-digging efficiency, convenient operation, relatively low manpower consumption, seed ventilating performance improvement through crushing the soil, adjustable soil-turning and trench-digging depth and relatively high practicability.

The invention discloses an automatic ditching device for vegetable greenhouses, which comprises a transverse guide rail and a longitudinal guide rail; one end of the transverse guide rail is providedwith a fixing ring; the fixing ring and the transverse guide rail are welded together, and a hydraulic adjusting rod is arranged at the upper end of the other end of the transverse guide rail; limiting holes are machined in the lateral surface of the transverse guide rail at equal intervals, and limiting pins are arranged in the limiting holes; a scale is arranged on the upper surface of the transverse guide rail, and a roller is arranged inside the transverse guide rail; the roller is slidably connected inside the transverse guide rail, and the longitudinal guide rail is arranged on the sidesurface of the roller; a rack is arranged on the upper surface of the longitudinal guide rail, and a moving seat is arranged inside the longitudinal guide rail. The retractable mechanical scraper hasthe advantages that when not in use, the retractable mechanical scraper can be retracted upwards so that the ground space of a greenhouse is not used; automatic ditching can be provided, so that laboris saved; ditching distance and depth can be adjusted, so that different crops can be conveniently planted, and the operation efficiency is improved.