Wound Closure Device: A Small Miracle Tool for Preventing Scar Expansion
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The Wound Closure Device, also known as the needle-free skin tension reduction suturing device, is primarily used to reduce the tension on both sides of an incision, thereby preventing the widening of hypertrophic scars. It is commonly applied in areas with significant skin tension post-surgery or trauma, such as the chest, abdomen, back, and limbs. It is one of the most common adjunctive means in scar prevention and treatment.

Working Principle of the Wound Closure Device

Tension on both sides of a wound can cause it to widen, leading to larger and broader scars. To avoid this, the wound closure device can be used to decrease the skin tension on both sides of the wound, controlling the broadening of scars and allowing them to heal finer and narrower. After applying the wound closure device perpendicular to the wound, it can be tightened by pulling it towards both sides. Generally, it should be tightened to a state where the skin shows slight texture.

How to Use the Wound Closure Device

Choose the appropriate wound closure device based on the specific situation of the surgery or wound.

Thoroughly clean the skin incision or scar with an alcohol swab and dry it. Cut the wound closure device to an appropriate length, remove the adhesive backing, and stick it evenly and symmetrically on both sides of the incision or scar.

Gradually tighten each of the barbs on the wound closure device to reduce the central gap to 1-2cm. Avoid over-tightening at once; it can be adjusted gradually.

Cut off the excess exposed barbs to prevent injuries or interference with daily activities during movement.

When replacing or removing the wound closure device , peel it off parallel to the direction of the incision or scar from both sides simultaneously. Different directional traction forces can affect scar formation.

Precautions for Using the Wound Closure Device

As one of the common medical recovery products, the wound closure device is mainly used on relatively flat areas of the torso that require strong tension reduction; it is best to avoid excessive movement of the surgical area, such as the chest, abdomen, back, and limbs, especially around joints;

Do not use the wound closure device on skin that is infected, damaged, or affected by other skin conditions;

Avoid over-tightening the barbs on the wound closure device to prevent complications like tension blisters;

Keep the adhesive areas dry as moisture can reduce adhesiveness, leading to loosening or displacement of the wound closure device . Strive to keep the adhering skin dry.

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Understanding the Technology and Applications of In Vitro Diagnostic Devices
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What is In Vitro Diagnostic Device?

In Vitro Diagnostic (IVD) instruments detect human samples (various body fluids, cells, tissue samples, etc.) to obtain clinical diagnostic information externally, thereby determining diseases or bodily functions. Known as the "eyes of doctors" in the medical field, in vitro diagnostic instruments are a crucial part of modern clinical laboratory medicine. The clinical application of IVD device spans the entire process of disease diagnosis and treatment, including disease prevention, initial diagnosis, treatment plan selection, and efficacy evaluation, providing doctors with a large amount of useful clinical diagnostic information, becoming an indispensable part of human disease diagnosis and treatment.

The design and development of in vitro diagnostic instruments, as specialized devices, are based on medical laboratory science and in vitro diagnostic methodologies. With the development of in vitro diagnostic methodologies, detection-related technologies, instrumentation engineering, etc., the design of in vitro diagnostic devices is increasingly refined, gradually reaching advanced levels of high-end medical equipment development. In vitro diagnostics can be categorized into biochemical diagnostics, immunodiagnostics, molecular diagnostics, microbiological diagnostics, hematological diagnostics, and Point-of-Care Testing (POCT). The related technologies include electrochemical technology, spectrometry, chromatography, mass spectrometry, electrophoresis, flow cytometry, labeled immunoassay technologies, molecular biology, and biosensor technology. The in vitro diagnostic instruments are diverse, and their development process generally includes stages such as product project design, product prototype development, product finalization, and product acceptance, with each stage being based on certain rules.

Related Technologies and Applications of In Vitro Diagnostic Devices

Although there are many types of in vitro diagnostic instruments used in clinical applications, their design and development are always based on the emergence and development of related technologies. In vitro diagnostic devices, such as the hemoglobin test meter, are grounded in clinical and laboratory methodologies, integrating automation technology, optical technology, electronic information technology, biosensor technology, and computer technology, among others, progressively evolving into systematic, engineered modern instruments and equipment to meet the needs of clinical trials and medical services.

Electrochemical Analysis Technology

Electrochemical analysis involves forming a chemical cell from a solution of the substance to be analyzed and converting the concentration of the substance into electrical parameters by measuring variables like potential, current, power, and resistance. Electrochemical analysis can be divided into potentiometric analysis, conductometry, electrolysis, capacitive analysis, voltammetry, and electrochemical biosensor unit technology. Most instruments for electrolyte analysis, blood gas and pH analysis in clinical biochemistry testing are based on electrochemical analysis technology. Electrochemiluminescence Immunoassay (ECLIA) combines the chemiluminescence process induced by electrochemical reactions with immunoreactions. ECLIA has high sensitivity of luminescence detection and high specificity of immunoassay. Electrochemiluminescence automated immunoassay instruments based on ECLIA technology are widely used in clinical immunology tests, including the determination of tumor markers, hormones, enzymes, antigens or antibodies, vitamins, cytokines, and various metabolites.

Spectroscopy Technology

Spectroscopy involves the absorption, emission, or scattering of light of different wavelengths and intensities when it interacts with matter to characterize and quantitatively analyze a substance. According to the method of generating the spectrum, spectroscopy can be classified into three main types: absorption spectroscopy, emission spectroscopy, and scattering spectroscopy. In vitro diagnostic instruments using spectroscopy are relatively simple, easy to operate, and methodically sensitive, thus widely used in clinical testing. Absorption spectra, which are obtained from the selective absorption of radiation energy by molecules or atoms, include ultraviolet-visible spectrophotometry, infrared spectroscopy, and atomic absorption spectrophotometry. Ultraviolet-visible spectrophotometry is mainly used for quantitative checks of substances, such as serum inorganic phosphate. Atomic absorption spectrophotometry is mainly for the analysis of metal elements like zinc, magnesium, and copper in the blood. Emission spectra are produced when molecules, atoms, or ions of a substance absorb external energy and transition from the ground state to a high-energy state and then return to the ground state. Emission spectroscopy involves characterizing substances through quantitative checks using emission spectra. Fluorescence spectrophotometry is more commonly used in clinical testing. For example, it can be used to determine vitamin content. When photons interact with a heterogeneous dielectric, light scattering occurs; measuring the intensity of scattered light provides the content of the analyte. As light passes through the sample, the antigen forms antigen-antibody complexes with its specific antibody, increasing solute particles and scattering intensity proportional to the complex concentration. This scattering intensity change is used to measure antigen content. Automated scattering turbidimetry analyzers, based on this scattering turbidimetry, are widely used in clinics, mainly for measuring protein substances like serum immunoglobulin, C-reactive protein, and trace proteins in urine.

Wound Closure Device
https://www.linamedica.com/pro....ducts/wound-closure-

The non invasive wound closure device adopts a new type of suture-free and non-invasive surface suture technology, which can resist the incision tension in two directions and achieve the purpose of non-invasive and reduce the external tension of the wound. Premium medical recovery products can make the wound more beautiful after healing without removing stitches, which overturns the traditional suture method.

Features of wound closure device

Non-invasive: Replaces traditional skin stitching to avoid secondary damage to the skin caused by suturing. Lina Medical's non invasive wound closure device is easy to operate, allowing the wound to be closed in one minute, thereby shortening the operation time and eliminating the pain associated with stitch removal.

Open Design: Facilitates the discharge of wound exudate, does not interfere with medication application, allows for easy observation of wound healing, and is adaptable to wounds of various shapes and sizes.

Reduction of Tension: Maintains continuous reduction of tension on the wound. This helps inhibit scar hyperplasia, promotes scar minimization, and ensures aesthetically pleasing healing.

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Uric Acid Tester
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Lina Medical uric acid tester measures uric acid levels in blood, helping monitor conditions like gout and kidney stones. As one of the leading uric acid meter suppliers, we ensure that our uric acid test meter series meets the highest standards of quality and performance. We also provide professional OEM and ODM services tailored for healthcare businesses. Our dedicated R&D and manufacturing teams collaborate closely with clients to customize uric acid meter design, branding, and packaging, ensuring that your unique specifications and market demands are met.

Types of Uric Acid Tester

What Is the Normal Range for Uric Acid Test?

The normal range for a uric acid test typically varies depending on the laboratory and the measurement units used. Generally, for adult men, the normal range is between 3.4 to 7.0 milligrams per deciliter (mg/dL), while for adult women, it is between 2.4 to 6.0 mg/dL. It’s important to note that these values can slightly differ based on the specific lab and its reference standards. Elevated levels of uric acid may indicate conditions such as gout or kidney stones, while lower levels could be associated with certain medical conditions or medications. Always consult with a healthcare provider for accurate diagnosis and interpretation.

Why Is It Important to Monitor Uric Acid Levels?

Monitoring uric acid levels is crucial for maintaining overall health. Elevated uric acid can lead to gout, a painful form of arthritis characterized by sudden, severe attacks of pain, redness, and swelling in the joints. High levels are also associated with kidney stones and renal dysfunction. Regular monitoring with a home uric acid meter helps in early detection and management of these conditions, preventing complications. Additionally, it can provide insights into dietary and lifestyle adjustments needed to maintain optimal health. Keeping uric acid levels in check is essential for reducing the risk of chronic diseases and improving quality of life.

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