Patent ID: 7354403
Filing Date: 2008-04-08
Classification: A61B

Abstract:
1. A cuff apparatus for measuring blood pressure in left and right upper arms, comprising: a chassis; a hollow cylindrical airbag having inner and outer walls, and received in the chassis, for suppressing a flow of blood of a human body by the inner wall when compressed air is introduced into the airbag; a plurality of cushions provided in the airbag, for causing the airbag to remain in an inflated state before compressed air is introduced into the airbag; said plurality of cushions comprising first, second and third cushions, and an auxiliary cushion, the first, second, third and auxiliary cushions each possessing a width as measured in a circumferential direction of the cylindrical airbag and a length measured in a direction of a longitudinal axis of the cylindrical airbag; the first, second, third and auxiliary cushions being arranged in that order in the airbag considered with reference to the circumferential direction of the airbag; the width of both the first cushion and the width of the third cushion being greater than the width of both the second cushion and the width of the auxiliary cushion; the auxiliary cushion possessing a thickness that increase in the length-wise direction of the auxiliary cushion; and first and second microphones which are arranged in the airbag to oppose each other, so that the first microphone detects Korotkoff sounds at the right upper arm of the human body near arties thereof when the right upper arm is inserted through and covered with the hollow cylindrical airbag and the compressed air is introduced into the airbag, and the second microphone detects Korotkoff sounds at the left upper arm of the human body near arties thereof when the left upper arm is inserted through and covered with the hollow cylindrical airbag and the compressed air is introduced into the airbag.