Digitex Digitex En stock Souris optique sans fil verticale ergonomique en forme de bol, en gros

Shenzhen Xinyi Electronics Co., Ltd., a professional vertical mouse factory, has a large amount of stock available for orders. Our aim is to supply customers as quickly as possible so that they don't need to stock up. We are like a warehouse for customers, ready for pick-up whenever needed. Warm reminder: 1. The price of this product is in cash, excluding tax. If you need an invoice, please consult customer service! 2. Custom orders are non-returnable and non-exchangeable unless there are product quality issues; please be informed. In our daily lives, we use keyboards and mice for extended periods. There are 9 tendons and 1 nerve in the wrist joint. The wrist joint has about 70-80 degrees of flexion towards the palm and 50-60 degrees towards the back of the hand. When using a mouse or keyboard, the wrist joint flexes back about 45-55 degrees, approaching its maximum angle. This stretches the tendons in the wrist canal, putting them under high tension. Additionally, the base of the palm resting on the desk compresses the wrist canal. In this state, repetitive movements of the fingers can easily cause friction between tendons and nerves, leading to chronic damage and inflammation and edema. This can result in pain, numbness, and swelling in the thumb, index finger, and middle finger. It can also cause wrist joint swelling and reduced dexterity and strength in the hand.When people use a mouse, they repeatedly mechanically concentrate on moving 0.05kg fingers, and this monotonous and minor activity can also strain the wrist ligaments.resulting in peripheral nerve damage or compression.The wrist has to endure intense, repetitive, and excessive activities. Local swelling reduces the volume of the carpal tunnel, causing compression on the median nerve, leading to "mouse hand." Scientists have conducted experiments showing that working continuously at a computer for 6 hours puts the same amount of stress on your fingers as walking 40 kilometers on your legs.The consequence of doing this is that prolonged repetitive movements can quickly turn your wrists into "mouse hands." "Mouse hand" is more common in women, with a incidence rate three times higher than in men.Most of them are between 30 and 60 years old because women's carpal tunnel is usually smaller than men's, making it easier for the median nerve in the wrist to get compressed.For patients with "mouse hand" who have mild early symptoms, rest is the most important treatment method. If necessary, a plaster cast can be used to immobilize the wrist and keep it straight; for those with severe cases, surgical treatment may be required.If left untreated for a long time, it may lead to nerve damage, blackened palms, and muscle necrosis. The higher the position of the mouse, the greater the strain on the wrist; the farther the mouse is from the body, the greater the strain on the shoulder.Therefore, the mouse should be placed in a slightly lower position, which is equivalent to the height of the elbow when sitting with the upper arm perpendicular to the ground.The position of the keyboard should also be similar to this.Many computer desks do not have a dedicated place for a mouse, so placing the mouse on the desktop for long hours of work can obviously harm one's health.The occurrence of "mouse hand" can be attributed to individual differences in using a mouse, improper selection of mouse size, and incorrect usage posture. Symptoms in the early stages often manifest as progressive pain, numbness, and weakness in the hands and wrists, eventually affecting the arm.Patients will feel tingling and weakness in their hands, unable to make a fist or grasp small objects. As symptoms worsen, they may not be able to drive or dress themselves.The muscles of the hands become white, causing irreversible damage to hand function.It could be serious Permanent hand disability occurred; the hand muscles were very weak and needed to undergo carpal tunnel surgery. Remark: 1. A 30% deposit is required in advance for production, and the remaining balance is to be paid upon shipment. 2. After receiving the deposit and confirming the sample production, we will schedule the delivery based on the actual order quantity and factory production schedule. Generally, delivery takes 7-12 days, and the specific timeframe will be negotiated between both parties 3. According to the product model, you can check the pictures on our company's website. 4. The above quote includes a single color , does not include ROHS materials, and includes an additional 10% on the unit price for ROHS materials. 5. Mouse can be customized according to customer's design 6. The above pictures are only for style confirmation, actual production will be based on samples. 7. The above quotation is valid for 30 days 8. Any unresolved matters will be negotiated between both parties