20cm
Neurological screening depends on more than one type of stimulus, and the DEJERINE pattern reflex hammer earns its place in the exam room because it does double duty. Named after the pattern developed for testing both deep tendon reflexes and cutaneous responses, this hammer features a flat, tomahawk shaped rubber head paired with a pointed tip, giving the examiner two distinct striking surfaces on one instrument. At 20 centimeters, it sits comfortably in hand for a full range of motion during percussion testing.
The flat edge delivers a broad, even tap suited to biceps, triceps, patellar, and Achilles reflex testing, while the pointed end allows for more localized stimulus during plantar reflex assessment. This dual function reduces the need to switch instruments mid examination, which keeps a neurological workup moving without breaking the clinician’s rhythm. As one of the more versatile diagnostic instruments in a physical exam kit, it fits equally well in general practice, neurology clinics, and teaching hospitals where residents are learning proper reflex technique.
Typical applications include:
Deep tendon reflex testing during routine physical exams
Plantar and cutaneous reflex assessment
Neurological screening in primary care
Teaching settings where reflex technique is demonstrated
Pre-operative neurological baseline documentation
Built for repeated daily use, this hammer holds up under the kind of steady handling a busy exam schedule demands. Update your diagnostic assessment kit today.

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