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Electronic blood pressure meter

  • US 4,771,790 A
  • Filed: 05/18/1987
  • Issued: 09/20/1988
  • Est. Priority Date: 04/12/1985
  • Status: Expired due to Term
First Claim
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1. A cuff for measuring blood pressure by surrounding a finger of a living body and obstructing the blood in the finger, comprising:

  • an airbag having an internal and an external skin, said airbag being sized and adapted to surround said finger and having a certain length defined in a direction along said finger and a certain width defined in a direction around said finger when said airbag is positioned on said finger, said internal and external skins having ends and being contiguously joined at said ends along said length and serving to define an inflatable chamber, said air bag width being sufficient for substantially surrounding said finger, said internal skin being pre-formed into a plurality of adjacent sectioned air chambers, each of said sectioned air chambers extending substantially along the entirety of said airbag length and freely communicating with an adjacent chamber along the entirety of said length, said internal skin being sufficiently flexible such that respective sectioned chambers are adapted to be inflated individually with respect to other of said sectioned chambers while said airbag is positioned on said finger.

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