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Article: Answering your questions on evacuated tubes versus butterflies, LIS validation, POL space standards, and Clostridium difficile-associated diarrhea.
- Article from:
- Medical Laboratory Observer
- Article date:
- February 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Nelson Publishing. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Evacuated tubes vs. butterflies
Q What are the pros and cons of using a wingset (more commonly known as a butterfly) rather than a straight needle for specimen collection?
A The evacuated tube system is the most direct and efficient method for obtaining a venous blood specimen. The components of the direct-draw, evacuated system include a holder, a sterile double-pointed needle (often referred to as a multisample phlebotomy needle), and sterile evacuated tubes.
Wingsets are an alternative to the multisample needle. They are designed with a length of flexible tubing attached between the patient needle and the nonpatlent needle. The holder is ...