30results about How to "Long-term wear" patented technology

The invention discloses a portable electrocardio detection device based on artificial skin and an electrocardio monitoring system, and aims to improve detection precision and achieve good interferenceresistance on premise that the wearing comfort of a user is not affected. According to the electrocardio monitoring system, an electrocardio monitoring piece comprises one or more electronic epidermis units for acquiring electric signals generated along with activities of a heart; a monitoring circuit is connected with connection points of the one or more electronic epidermis units in the electrocardio monitoring piece, and is used for processing acquired electric signals to be adaptive to input into a control unit; the control unit is used for controlling operation of other units and used for acquiring electrocardio monitoring data according to the input electric signals; a data storage unit is used for storing acquired electrocardio monitoring data; a communication unit is used for communicating with an external terminal to transmit the electrocardio monitoring data and / or control instructions; the control unit, the monitoring circuit, the data storage unit and the communication unit are arranged on a flexible circuit board.

The protection cover for preventing and curing rhagades of tinea manuum and tinea pedis is characterized by that said protective cover can be made into the form of glove or hose, and its external layer is coated with natural medicinal latex which is made up by using natural latex, filtering, removing impurity, adding KOH, allantoin, accelerant PX, acetosalicylic acid and adjuvant through a certain preparation process. Said invention also provides its production method by using stainless steel mould.

The invention discloses a new material and a preparation method thereof. The new material is prepared from the following raw materials in parts by weight: 90 to 120 parts of polymethyl methacrylate, 30 to 50 parts of an acrylonitrile-styrene-acrylate copolymer, 40 to 60 parts of an ethylene-tetrafluoroethylene copolymer, 60 to 80 parts of glycerin, 3 to 5 parts of 5-norbornene-2-formamide, 1 to 2 parts of 4-hydroxy-3-methoxyphenyl acetic acid, 3 to 5 parts of rare earth oxide or rare earth ore, 3 to 5 parts of metal oxide, 3 to 5 parts of a coupling agent and 3 to 5 parts of a thermal stabilizer. The new material is soft and foldable, can be worn for a long time, is high in radiation performance, has a lead equivalent of 0.03 to 0.08 mm Pb / mm, and is applicable to a working or living environment with a medium-strength radiation source.

The invention discloses a method for analyzing and detecting feeding behavior based on chewing and swallowing actions and electrocardiographic activities. Wearable two myoelectric activity sensors, sound sensors, and two electrocardiogram sensors are used. One myoelectric activity sensor is placed on the skin surface of the masticatory muscle in front of the ear, and the other is placed on the thyrohyoid muscle of the neck. The skin surface of the skin, the myoelectric activity sensor is connected to the earphone-type connection structure, the sound sensor and one of the ECG sensors are set at the suprasternal fossa of the neck, the other ECG sensor is set at the back of the neck, the sound sensor and The ECG sensors are all connected to the collar-like connection structure; according to the detected EMG signal combined with the detected sound signal and ECG activity signal, the feeding behavior pattern is analyzed, identified and recorded, and the type of food ingested and the type of food ingested are analyzed and identified respectively. Habit and record the interval and time of eating, the test results are sent to the user's mobile phone, and the results are displayed and suggestions are formed through the user's mobile phone.

The invention relates to the technical field of alloys, and particularly relates to a gold alloy. The gold alloy comprises 5-10% of Ag, 3-7% of Zn, 2-5% of Cu, 2-4% of Nb, 0.5-1.5% of Ca, 0.5-1.5% of Zr, 2-4.5% of Er, 0.5-1% of Ho, 1-3% of epoxy resin and the balance of gold and inevitable impurities. The invention also provides a synthetic method of the gold alloy. The gold alloy provided by the invention has the advantages of excellent high-temperature property, very long service life, high-temperature resistance, oxidization resistance and creep resistance; gold jewelry made from the gold alloy has the advantages of low price, high hardness and long-lasting color and luster and can be worn for a long time.

The invention discloses a preparation method of an anti-bacterial cotton fabric and a fabric prepared thereby and belongs to the technical field of textiles. The method comprises the following steps of extracting berberine from coptis chinensis; weighing cotton fibers, and soaking the cotton fibers with a NaOH aqueous solution with pH value of 8.5 at a temperature of 30-40 DEG C; washing with water to be neutral, and adding berberine according to the mass ratio of cotton fiber to berberine being 100: (1 to 3); introducing nitrogen at a bath ratio of 1:20, performing thermoregulation reaction, washing with water, and airing, thereby obtaining the anti-bacterial cotton fabric. The anti-bacterial cotton fabric prepared by the method has favorable sterilization and bacteriostatic effects, is wide in anti-bacterial spectrum, is capable of preserving favorable characteristics of the cotton fabric, is washable and durable, and still preserves favorable anti-bacterial effect after being washed with water for multiple times.

A miniature built-in automatic continuous sutural distraction osteogenesis device comprises a main anchorage rod and a distracter; the main anchorage rod is a slender titanium alloy rod, the front part of which is provided with a distracter hole and the tail of which is provided with at least two fixing holes; the distracter is made of an iron-nickel memory alloy wire, the preset shape is a W, the restored shape is a U, both ends are bent, and one of the ends is mounted in the distracter hole; and an auxiliary anchorage rod is arranged on one side of the main anchorage rod, so that a triangular support is formed. The device is individually designed by the three-dimensional CT computer-assisted design technology, can be fabricated in a simple way, and accords with the low-carbon economy, the operation of the surgery is convenient, the distraction process is smooth, and the distraction effect is accurate; the distraction process is simple and convenient, the surgery is minimally invasive and simple, the length of stay is short, the frequency of further consultation is less, the expense is less, and the device is highly compatible with the tissues of the human body, can be safely andreliably fixed, cannot fall apart due to external force, cannot affect the normal study, life, outing and the like of a diseased child, can be worn for a long time, and has a remarkable treatment effect.

The invention discloses a head-mounted cooling device, comprising a mask part; the mask part is provided with a mask body located on both sides and a grid connecting part for connection; the outer side of the mask body is connected with an ear-hook part; A cold storage bag is set up, and the cover is used to seal the inner cavity of the mask. When in use, the ear-hook part is hooked to the ear of the human body, so that the mask body is located in the cheek area of ​​the human body, so that the internal cold storage bag can release the cold energy to cool the cheeks without Block the triangle area of ​​the human body to ensure smooth breathing. It can also be used in conjunction with a mask to cool down when wearing a mask for a long time. At the same time, the application also discloses a helmet part, which can be used alone, or can be used in combination with the mask part by inserting the ear loop part into the collar. The bag can achieve cooling of the human head.

The invention relates to a painless medicine transfusion device which is convenient to use, economical and practical for long-term administration, and belongs to the field of medical technology. The feature of the drug infusion device is that the device contains hidden elastic microneedles, which can be automatically retracted after instantaneous transdermal drug delivery, which not only ensures painless and efficient drug delivery, but also avoids the problems of the original microneedle drug delivery technology. Problems such as skin allergies and inflammation caused by long-term subcutaneous needle embedding; the device contains at least one independent drug infusion unit, which uses the solid drug to be administered and the driving fluid to be safely stored separately, and is only mixed at the moment of drug infusion Dissolved and injected subcutaneously via a microneedle. This new mode of solid-liquid separate storage and instant dissolving and transfusion solves technical bottlenecks such as the difficulty of storing certain drug solutions at room temperature and the need for refrigeration; the device controls drug application manually or by using an external reusable electronic automatic pressure application , which greatly reduces the manufacturing cost of the device and the consumption burden of ordinary patients; the device has excellent functions such as moisture-proof, sweat-permeable, and pressure-proof, making it more comfortable and safe to use; the device can be worn for a long time, or it can be taken with you as needed Subcutaneous administration, flexible and convenient to use. The device is suitable for patients who need long-term timed transdermal administration, such as insulin administration for diabetic patients.

The invention relates to a wearable heart rhythm monitoring device. The wearable heart rhythm monitoring device comprises a processor, as well as a heart rate sensor, a motion sensor, at least two electrocardioelectrodes, a storage and an electrocardiogram recording module which communicate with the processor, wherein the processor comprises an average heart rate computation module, a normal heart rate variation range computation module, a heart rate classification module and a rapid heart rate motion check module; the storage is used for receiving and storing data information. The wearable heart rhythm monitoring device can be worn by a user for a long time, and the daily life of the user is not influenced; meanwhile, the monitoring device carries out monitoring from the point of view of medical science, can collect all key data including the heart rate, the motion, the electrocardiogram and the oxygen saturation relevant to the arrhythmia, and can automatically monitor and record the arrhythmia incident found in the heart rate monitoring process; the monitoring device automatically analyzes each heartbeat from many dimensions, and accurately classifies the heartbeats, and thus various potential arrhythmia problems are found.