A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
73/101
A61B 5/02 (2006.01) A61B 5/022 (2006.01)
Patent
CA 1098336
ABSTRACT OF THE DISCLOSURE A cuff mechanism, for use in an automatic blood pressure measuring system requiring no user adjustments to such mechanism, includes an elongated flexible cuff band with a resilient spring associated therewith of a predetermined width defining an enlarged opening for receiving a user's arm. A reversible motor intermittently drives a drum through a slip clut? adjusted to provide a snug, but not occluding, fit of the band about the various sized arms when the drum winds up the band into its contracted state. The spring is generally mounted throughout the width of the band and extends substantially throughout the length thereof which defines the opening in its contracted state. The band is attached to the drum substantially throughout the width thereof so that the drum will exert a uniform force to circumferentially contract the band snugly about the arm and to maintain same in a steady condition. Locking means having a manual override automatically locks the drum in its wound-up condition to prevent the band from inadvertent loosening. A flexible and expandable fluid chamber, having a sensor associated therewith, is located adjacent the band and extending generally the width thereof, such chamber being sufficiently elongated to contact and generally surround the arm with the sensor being adjacent the artery. Selective pressure means automatically supply fluid to the chamber to expand same and occlude the flow of blood through the arm after which the blood pressure is taken by the system.
301610
Huber Thomas G.
Macrae & Co.
Vita-Stat Medical Services Inc.
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