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1674results about How to "Safe and reliable" patented technology

UV LED Curing Apparatus with Improved Housing and Switch Controller

The present invention is related to an UV LED curing apparatus, and more particularly, to an UV LED curing apparatus with improved housing and switch controller. The UV LED curing apparatus of the present invention is preferably provided for curing UV hardening gel applied onto the nails of multiple fingers or toes all at once and with automatic controls; the UV LED curing apparatus comprises a light reflective inner casing enclosing a curing chamber having a front opening, an outer casing detachably attached to the inner casing and an UV LED light source disposed on the inner casing and capable of providing an illumination covering a large space in the curing chamber. The automatic controls of the apparatus may be achieved by a switch controller having a photo interrupter, timer and current regulator such that the UV light from the UV LED light source is triggered to an on-state by the sensor of the photo interrupter and switched to an off-state by the timer and current regulator with reference to a preset curing time automatically. The UV LED light source is preferably to be of a wavelength between 360 nm and 460 nm. The light reflective inner casing is preferably provided as an effective UV light reflector and as a supporting substrate of the UV LED light source while being capable of transmitting heat from the UV LED light source away for further heat dissipation to the ambient by the outer casing. The outer casing is detachably attached to the inner casing and allows a greater user interaction for decorative and entertainment purposes while also being a protective and heat dissipation means.
Owner:NAIL ALLIANCE

Needle-less injector and method of fluid delivery

A needle-less injector device for delivering a dose of fluid intradermally, subcutaneously or intramuscularly to an animal or human. The device includes an inner housing having opposed ends. A syringe is disposed in one end of the inner housing. The syringe includes a nozzle for delivering a dose of fluid held within the syringe. A plunger is movably disposed within the syringe. A spring powered hammer is movably disposed within the inner housing. The hammer cooperates with the plunger to drive the dose of medicament from the nozzle. An injection delivery spring for powering the hammer is positioned and compressed between the other end of the inner housing and the spring powered hammer. An outer housing slideably supports the inner housing. A skin tensioning spring is mounted between the inner housing and the outer housing, the skin tensioning spring biasing the nozzle of the syringe against the animal or human. A trigger mechanism is disposed in the outer housing, the trigger mechanism cooperating with the spring powered hammer to release the injection delivery spring, wherein the size of the injection delivery spring and the length of the hammer dictate the amount of dose delivered and whether the dose is delivered intradermally, subcutaneously or intramuscularly to an animal or human.
Owner:PHARMAJET INC

Modified starch absorbable hemostasia material and preparation method thereof

The invention discloses an absorbable haemostatic material of a modified starch and a preparation method thereof. The haemostatic material is etherified modified starch or a composition which is formed by one or two or more than two of the etherified modified starch, cross-linked and composite modified starch, with a molecular weight of 15,000 to 2,000,000, a grain diameter of 10-1000Mu m and a water absorbency of 1 time to 100 times. The modified starch absorbable haemostatic material has the advantages that: the haemostatic material with biocompatibility is directly applied to bloody surface of wound to stop bleeding immediately, obviously increase the water absorbency and the water absorbing speed and have more viscosity and viscidity, thereby simultaneously blocking up damaged tissues and blood vessels while stopping bleeding. The haemostatic material is easy to swell or dissolve in water and after stopping bleeding, normal saline is used for washing to eliminate the haemostatic material not participating in stopping bleeding, thus reducing residues in the body, being beneficial to wound healing, and avoiding pains caused by unclosing pledget and bandage. The haemostatic material has the physical and chemical properties of stability, difficult decomposition, long guarantee period, convenient storage, high pressure resistance, low pressure resistance, high temperature resistance, low temperature resistance and difficult change.
Owner:BEIJING UNIVERSAL LIKANG TECH CO LTD

Distributed data storage system and method based on blockchain

The invention discloses a distributed data storage system and method based on a blockchain. The method comprises: inputting a data content into a data storage module by a data inputting module, and using a hash algorithm to calculate an extract of the data content to store on the blockchain; receiving the data content by the data storage module, retrieving the extract corresponding to the data content, and storing the data content that is consistent with the extract; and when data querying is carried out, finding a stored queried data content by the data storage module, retrieving an extract corresponding to the data content, and returning the queried data content that is consistent with the corresponding extract to a querying node. According to the system and method, the blockchain is used in the information storage system, a Root-privilege administrator does not exist, no one can arbitrarily modify an information content without being detected, and reliable management and secure sharing of information are realized; and the blockchain is not directly used to store the data content, only the extract obtained by calculating by using the hash algorithm is stored, the amount of storage on the blockchain is reduced, low efficiency of the blockchain is avoided, and the practicality is improved.
Owner:北京中科锐链科技有限公司

Intelligent safety box

The invention discloses an intelligent safety box, which aims to mainly solve the problems of passive burglary prevention, low burglary prevention performance and incapability of keeping on-site information after lock picking and burglary in the conventional safety box. The intelligent safety box comprises a safety box body, an information acquisition unit, a control unit, a lock unit, an alarming unit, an operation unit and a power circuit unit, wherein an intelligent safety controller is formed by all the units to realize active and intelligent burglary prevention. The invention has the advantages that: the identity of a user can be automatically recognized, and a non-registered user cannot use the intelligent safety box; and the intelligent safety box has an automatic alarming function, the function of automatically recording and storing image and sound data and safety box using information and the functions of one-key burglary prevention setting and one-key burglary prevention elimination, has a high intelligent degree and reliable safety performance, is transformed from the passive burglary prevention to the active burglary prevention, is a safety guardian for companies, departments, important family files, data, cash and precious belongings, is easy to operate and is convenient and practical.
Owner:徐国元
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