188results about How to "Portable and convenient" patented technology

A dialysis system includes: a portable device configured to be carried by a patient and to read a marking displayed on a dialysis fluid container, the device obtaining data concerning at least one of a dialysis fluid type and a dialysis fluid volume from the marking; the device defined dialysate dwell time, alert patients for the next exchange and further configured to transfer the data to a computer; and wherein the computer is configured to use the data to track therapy progress of the product.

A portable electronic device is provided, including a first body, which has a display screen, a second body, which is slidably connected to the first body, and a door unit, which opens and closes a battery compartment disposed between the first and second bodies, in which the door unit is concealed and made externally visible according to the position of the second body relative to the first body, and in which the door unit can be opened and closed when it is externally visible.

Embodiments of the invention include systems, protective casings for smartphones, and associated methods to enhance use of an automated external defibrillator (AED) device before arrival of emergency medical personnel. A system can include a smartphone and a protective casing abuttingly contacting one or more side portions of the smartphone and retaining the smartphone positioned therein. The smartphone can include a defibrillation control module to control defibrillation of a victim of sudden cardiac arrest. The protective casing can include sensors, capacitors, and extendable electrode pads. The protective casing further can include a check module to determine whether the victim's heart rhythm requires an electrical shock to reestablish a normal heart rhythm, a space module to measure presence and amount of preselected materials relatively near the system, and a shock module to activate the one or more capacitors and generate an electrical current to deliver an electrical shock to the victim's chest.

This invention discloses a 155M error analysis tester based on a site programmable gate array composed of a tested device, a clock data extraction and recover chip, a clock synthetic chip, a site programmable gate array chip, a single-chip processor, a liquid crystal display screen, a bit error pilot lamp, a film key board and a serial communication interface. The site programmable gate array includes a count module.

A wearable thermometer patch for monitoring healing of a wound on a user's skin includes a circuit substrate comprising an electric circuit and a plurality of temperature probe units distributed in a two-dimensional array. Each of the plurality of temperature probe units can include a temperature sensor in electric connection with the electric circuit in the circuit substrate. The plurality of temperature probe units can measure temperature values on a user's skin at different positions defined by the two-dimensional array.

The invention discloses a dust collector which comprises a tangential dust colleting opening. The tangential dust colleting opening is formed in a dust inlet box, a conical separating cavity is communicated to the lower portion of the dust inlet box, the dust inlet box is further communicated with an air outlet formed in a fan through a pipe, and a filter used for filtering air flowing into the dust inlet box from the dust collecting opening and flowing to the air outlet formed in the fan is further arranged in the dust inlet box. The dust collector is concise in structure, small in occupied space, environmentally friendly, stable in operation and easy to operate, and saves energy. Dust and dirt on processing machinery equipment and the ground can be effectively collected and recycled, the dust collector can be moved to every corner and can collect dust at every corner, is portable, convenient to move, high in purification efficiency, quite prominent in filtering performance and air permeability, meanwhile, durable and convenient to disassemble and assemble.

The invention relates to a display and calibration method for a chromometry-based temperature measurement system, which comprises the steps of 1) respectively pre-processing a transmission light path image acquired by a transmission light path detector and a reflection light path image acquired by a reflection light path detector; 2) registering the pre-processed images and forming a unique corresponding point in the reflection light path image that corresponds to each point in the transmission light path image, so as to enable the two corresponding points of each set to correspond to the same physical location and complete the image registration; 3) figuring out the ratio of the gray levels of the two corresponding points of each set for all pixels of the two registered images, and corresponding the above ratio of the gray levels to a suitable display grayscale based on the image gray level mapping algorithm so as to form images after the information fusion process. The above method overcomes the limitations that the common ratios and the temperature calibration of a conventional focal-plane chromometry-based temperature measurement system, and images formed through a transmission light path and images formed through reflection light path are respectively displayed, can be overcome. Meanwhile, the method is simple in implementation process and good in application and promotion value.

The invention discloses a method for realizing laser cleaning based on light beam peripheral scanning. Similar parallel light beams are irradiated to a rotary reflecting lens; the rotary reflecting lens is driven to rotate by a motor; and focal spots form a scanning trajectory to realize peripheral scanning. The invention further discloses a device for realizing laser cleaning based on light beamperipheral scanning; the device comprises a motor and the rotary reflecting lens; the lower end of the motor is connected with the rotary reflecting lens capable of rotating; the similar parallel light beams can be irradiated to the rotary reflecting lens; the reflected light beams are reflected by the rotary reflecting lens; and when the motor is rotated, the light beams reflected by the rotary reflecting lens form the scanning trajectory to realize peripheral scanning. The method and the device are uniform in scanning, high in cleaning efficiency, low in cost, long in life, low in mass, portable, simple and stable in overall structure and easy to realize.

The invention discloses a pneumatic micro-operation device for tiny organisms, which comprises a controller, a negative pressure vacuum pump, a negative pressure throttle valve, a vacuum proportional valve, an adsorption electromagnetic valve, a pressure sensor, a micro-attitude adjustment component, a positive pressure gas pump, a positive pressure throttle valve, a positive pressure proportional valve, a release electromagnetic valve, a speed control valve and a tail-end micro-clip. The pneumatic micro-operation device can be divided into a negative pressure adsorption gas path and a positive pressure release gas path, thereby carrying out adsorption micro-operation and release micro-operation. The pneumatic micro-operation device has the advantages that the operation tail end has the micro-attitude adjustment function and can realize sorting, screening and other micro-operations of the tiny organisms without injuring and damaging the organisms, and the pneumatic micro-operation device can improve the efficiency and the success rate of operation staff, reduce the working strength and have broad practical application prospects and value by being applied in the field of biomedicalresearch.

A head-mounted computer is used for remotely controlling a remotely controlled object and at least comprises a gesture sensor and an augmented reality/virtual reality imaging device, and the augmentedreality/virtual reality imaging device is used for constructing a virtual remote controller; And the gesture sensor is used for identifying the spatial position of the fingertip, and matching the spatial position of the fingertip with the position relationship of the keys of the virtual remote controller, and/or the relative spatial position of the fingertip, so as to trigger the head-mounted remote controller to send out a remote control instruction. Through the combination of the augmented reality/virtual reality imaging device and the gesture sensor, the virtual remote controller can be conveniently created and remotely operated, the appearance and parameters of the virtual remote controller can be autonomously set according to a user, the applicability is wide, and the operation is flexible and convenient; The invention further provides a head-mounted computer information input method which is high in variability and flexibility, capable of adapting to different remote control operations and small in fatigue degree after long-time operation.

The present invention provides novel methods and devices for detecting hybridization of nucleic acids using liquid crystals and cationic surfactants.

The invention relates to a water body transparency detection method and a detection device based on the same. The detection method adopts the combination of a camera and a liquid level sensor, wherein the camera is used for recording an image of a water level lowering process in real time so as to obtain a video image from which an identification mark engraved below the bottom of a test barrel can be clearly identified, and the liquid level sensor is used for recording a water level position of a to-be-tested water body in the test barrel in real time, so that the detection efficiency is greatly improved and the operation is convenient; according the obtained video image, result metering is performed by adopting an evaluation model, so that the detection accuracy is improved; and the detection of the transparency of a black and odorous water body can be achieved automatically, the water body is monitored in real time, and the automation degree is high. The detection device provided by the invention highly integrates a sample injection unit and a detection unit, so that an instrument can be miniaturized and can become portable easily, a test can be performed at any time, and the detection device is convenient to use.

Disclosed is a system which employs a cooling or heating pad which is preferably rechargeable with hot or cold temperatures at an intended area of the body. The pad includes a highly temperature-conductive or temperature-retentive material which can be cooled or heated using a portable source of heat or cold material delivered to the pad by a removable delivery conduit. Valves can be included to regulate flow of the cooling or heating material from the source to the pad. The system can also include a dual-chambered canister for containing two different media for heating, cooling or for alternating heating and cooling the pad.

Embodiments of the present invention provide an object tossing game, which can be used for example outdoors during tailgate parties and backyard barbeques. Specific game embodiments comprise a convenient and portable carrying case for storage of the game pieces, which doubles as the playing surface. In particular embodiments, the game includes saddle-shaped bird seed filled bags which can be tossed using a player's foot and directed toward a game board that comprises three scoring areas.

The invention relates to a rapid and high-sensitivity virus recombinase-polymerase amplification detection method, a primer group and a test kit. According to the detection method, nucleic acid of sudden virus such as COVID-19 can be rapidly detected with high sensitivity, nucleic acid does not need to be purified and extracted in the detection process, detection can be achieved after direct cracking, the nucleic acid testing operation steps are greatly simplified, the operation complexity is reduced. The method is suitable for rapid and instant detection of sudden sanitary events such as novel coronavirus.

A wearable thermometer patch for monitoring healing of a wound on a user's skin includes a circuit substrate comprising an electric circuit and a plurality of temperature probe units distributed in a two-dimensional array. Each of the plurality of temperature probe units can include a temperature sensor in electric connection with the electric circuit in the circuit substrate. The plurality of temperature probe units can measure temperature values on a user's skin at different positions defined by the two-dimensional array.

A method and system are provided which, in a program recording apparatus which performs recording of television programs, enable even those users who are inexperienced in operating machines to simply, directly and flexibly perform a program recording reservation operation and a recorded program viewing operation. An association is first made between position information on a paper or sheet with program information, and the user inputs a program specification using a program schedule and a digital pen. The information input by the pen is converted to program information, and a program recording reservation is made. If the recorded program list is printed out or various content lists are used, program playback and content management can be performed with greater ease.

The invention discloses a trace liquid refractive index measuring system and measuring method. The measuring system comprises a laser source, a first convex lens, a second convex lens, a first optical flat glass, a micro fluid control chip, a second optical flat glass and a CCD (charge coupled device) detector, wherein a collimation light emitted out by the laser source passes through the first convex lens and the second convex lens to produce a light with a smaller light spot, the light is incident to the first optical flat glass in an angle of 45 degrees to produce a reflected light and a refracted light, anyone of the reflected light and the refracted light passes through a micro fluid channel, the other light directly passes through the micro fluid control chip to enter into the second optical flat glass, the reflected light and the refracted light are converged together after passing through the second optical flat glass and are interfered to form an interference signal, and the CCD detector is used for detecting an interference light signal. The micro fluid control chip disclosed by the invention can reduce analysis cost, and pollution of waste produced by an analysis process to the environment is reduced. The whole device has the characteristics of compact structure, small volume, easy maintenance and convenience in carrying.

Non-cariogenic sugar-free confectionery compositions which deliver anti-plaque components to the mouth for oral health benefits and also deliver nutrients for systemic health benefits; wherein such confectionery compositions comprise of: (i) a safe and effective amount of natural tree, plants and tea extracts selected from moringa, matcha green tea, green tea, chia and mixtures thereof; (ii) one or more anti-plaque component or components; (iii) one or more natural, non-cariogenic, tooth-friendly sweetener or mixtures of sweeteners; (iv) a suitable confectionery carrier and (v) less than 10% water.