Assessment of Discomfort with Usual Immunization Practice Compared to the Use of Usual Practice and ShotBlocker

By Todd Gundrum,. Pharm.D., Christopher Sherman, M.D. and Scott Ruhlman. Family Physicians Association of Flower Hospital. Study Period: October 2000- February 2001.

The pain elicited by administering immunizations can be a
significant cause of anxiety and fear in many patients. This apprehension can be
one reason a person may decline immunizations and can impair the clinician’s
ability to perform an examination. This project uses a mechanical device,
ShotBlocker™, to apply local pressure to an injection site at the time of needle
penetration, thereby stimulating afferent fibers to reduce pain sensation.

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