Lancets are small needles that are used to prick the skin to obtain a blood sample. Many lancets can be used with a lancing device that helps to make it more effective and less painful, however they can be used without one by just sticking the skin with the needle. Once a small blood sample is available, it can easily be put into a machine to run a test. As you can see from the image above, there are many different brands of lancets available.
There are a few tests that can be done using a small drop of blood that the lancet provides. For people with diabetes, they can easily check their blood sugar levels. Using a glucometer, which is the machine that tests the blood sugar, they can quickly find out if their sugar is at a good number or not.
Although the lancet can be used alone to get a sample, it is much easier to use the lancing device along with it. The device provides a quick “punch” of the needle into the skin to make an effective and less painful stick. OneTouch, which is a popular brand of diabetic supplies, has a device that is easy to use. Each brand’s device will be a little different, but the general idea is the same.
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