As a result, nearly all toasters made between 1915 and 1923, when the patent expired, are marked â Feb. 6, 1906â and âLMPâ (for âLicensed Under Marsh Patentsâ) in a diamond shape. Early toasters, like the D-12, only toasted one side of the bread at a time.
A bone marrow aspiration and biopsy removes a small amount of bone and a small amount of fluid and cells from inside the bone (bone marrow). It is often done to find the reason for many blood disorders and may be used to find out if cancer or infection has spread to the bone marrow.
A bone scan is a useful diagnostic tool that spine surgeons sometimes use to detect areas of unusual activity in the bones. Bone scans are also known as nuclear imaging, because they capture pictures of the body using low-levels of radioactive elements. Why We Use Bone Scans. Bone scans provide surgeons with a detailed assessment of areas of abnormal bone activity. This test can be important for diagnosing spinal problems such as: