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Prepackaged collections of the devices and supplies (either custom or standard) needed for measurement of the time required for a fresh blood sample to coagulate. Samples are usually obtained from a small purposely inflicted puncture wound. Items in these kits usually include needles, syringes, bandages, and heparinized collecting tubes. The kits are frequently supplied in supporting trays (i.e., procedure trays) consisting of a flat-bottomed receptacle with a border around the periphery supporting all the instruments and supplies needed for the procedure; the trays are usually covered or wrapped. These procedure kits and trays are intended for use during the examination of shortages and abnormalities of various blood coagulation factors, and bleeding tendency of patients. Coagulation time procedure kits and trays are used in medical offices, anticoagulation clinics, hospitals (e.g., emergency departments, operating rooms, catheterization laboratories), and/or other healthcare facilities.
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