1. The location used and its importance.
That is, consider using it on a street front door, hall door, room, bathroom or passageway to select a product that suits the desired function.
2. The environment, conditions and requirements for use.
You should consider the advantages and disadvantages of the use of the environment, such as dry humidity, door structure, thickness, left or right door, inner door or outer door to prevent the wrong product.
3. Consider coordination with the decorative environment.
According to your own preferences, the product should be considered for coordination and matching with its living room.
4. Consider the situation of family members
Consider whether there are elderly people, children or people with disabilities in your home and choose products that are convenient for him or her.
5. Consider economic affordability
In combination with the family's economic situation, the economy can afford to buy high-end products, and the economy is less than ideal, and the products with lower grades can be selected. However, regardless of whether high-grade or low-grade products are selected, it is necessary to consider whether the strength of the production enterprises is strong and whether the quality is stable. It is recommended to choose products with quite well-known companies to avoid causing financial losses and unnecessary troubles and troubles for daily life.
6. Consider the reputation and service level of the dealer
Prevent some dealers from recommending some counterfeit and shoddy goods to consumers in their own interests.
How to choose when buying
When purchasing lock products, you should pay attention to the following points:
1. Products with high reputation, stable quality and good after-sales service should be selected.
2. First check whether the packaging and logo of the purchased product are complete (including the product's implementation standards, grades, manufacturing company name, address, production date). The packaging is firm, the contents of the manual are consistent with the product, and the caution is exaggerated and does not match the facts. phenomenon.
3. Observe the appearance quality of the product, including whether the lock head, lock body, lock tongue, handle and cover plate parts and related parts are complete, whether the surface color of the plated parts and painted parts is bright and uniform, whether there is rust, signs of oxidation and damage .
4. Check whether the function of the product is reliable and flexible. Two or more products should be selected for comparison check. Especially when purchasing the two-way lock product, the inner and outer locks must be tested with all the keys. You should also check the insurance organization of the product. It is recommended to try each lock at least three times.
5. Then check the tooth condition of the key, such as five spoon teeth, each key should have not less than three different key teeth, while the first tooth and the fifth tooth should try not to choose the deepest key tooth, which is good for key insertion. Pulling is not easy to break.
Venous cannula is also a deep venous puncture catheter. The method is to select the appropriate puncture site and insert the needle under the skin, and insert the needle with negative pressure until the dark red blood is absorbed, indicating that the needle has entered the vein, and the guide wire is inserted. Withdraw the puncture needle to leave the guide wire in the blood vessel, and then insert the venous catheter that needs to be indwelled along the guide wire, then exit the guide wire, inject diluted heparin saline and fix the catheter, the deep venous catheterization is completed. The veins for puncture and catheterization are usually selected clinically, including the subclavian vein, internal jugular vein, and femoral vein. After the puncture catheter is indwelled, attention must be paid to the care of the puncture site to avoid infection with thrombus or catheter falling off.
venous cannulation,best veins for cannulation,venous cannulation set,venous cannulation technique
Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yongyuepcr.com