Demerol (meperidine), chemically known as ethyl 1-methyl-4-phenylisonipecotate hydrochloride, is an opioid pain medication. Meperidine is used to treat moderate-to-severe pain.
Clarityne are drugs that alter histamine effects by decreasing the histamine levels or blocking the histamine receptors. 
Medical devices are used to carry out operations, treatments and diagnosis, and vary based on complexity and applications.
Cancer genome sequencing refers to a method used to identify the complete DNA or RNA sequence of cancer cells based on the sequencing of a single, homogeneous or heterogeneous group of tumor cells.
Calming and sleeping products reduce tension and anxiety by inducing sedatives and a hypnotic effect on the body. They act by depressing the central nervous system. 
The need of the bone cement and cast is due to the requirement of materials that effectively absorb body forces acting on the human hips. 
Testing of blood is one of the oldest and most widely used techniques to rule out the presence of any disease. This test mainly aims to ensure the biochemical and physiological well-being of the humans. At the sametime, it confirms the proper functioning of vital organs such as liver, kidney and thyroid and to understand the effectiveness of given therapeutics. 
Blood collection, processing, management devices and consumables are medical devices used to collect whole blood from donors, and separate it into blood components such as RBC, WBC, platelets, and plasma.