Importance

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Abstract

A signal enhancing and artifact reducing blood pressure cuff for use during the non-invasive measurement of blood pressure. The non-invasive blood pressure cuff has an inflatable bladder and a semi-rigid insert disposed over an outer side of the inflatable bladder for enhancing a blood pressure signal by reducing blood pressure signal attenuation. The semi-rigid insert also acts to reduce the effects of external artifact on the inflatable bladder of the blood pressure cuff. The blood pressure cuff has the insert disposed over the outer side of the inflatable bladder to substantially cover the inflatable bladder when the cuff is wrapped around the limb of the subject. An optional damping device made of an impact absorbing material may be disposed over the outer side of the insert to further reduce the effects of external artifacts. A pocket may be formed over the outer side of the cuff to hold the insert. The semi-rigid insert is disposed in the pocket so that it substantially covers the inflatable bladder of the cuff. The damping device that is used in a blood pressure cuff having a pocket may be either a solid damping material, a liquid, or a gas damping material, such as air.

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First Claim