Patent ID: 11925444
Assignee: OMRON HEALTHCARE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A blood pressure measurement device comprising:
a pressing cuff that is bag-like and configured to be wound around a measurement target site of a living body and inflated when a fluid is supplied to an internal space of the pressing cuff;
a sensing cuff that is bag-like, on a living body side of the pressing cuff and configured to be inflated when the fluid is supplied to an internal space of the sensing cuff when the pressing cuff is wound around the living body;
a supply device configured to supply the fluid into the pressing cuff and the sensing cuff;
first guides configured to form wrinkles on the living body side of the pressing cuff at positions of the first guides in a direction intersecting a winding direction of the pressing cuff only when the pressing cuff is inflated to pressurize the living body; and
second guides on the living body side of the sensing cuff and configured to form wrinkles on the living body side of the sensing cuff at positions of the second guides in the direction of the winding direction of the pressing cuff only when the sensing cuff is inflated to pressurize the living body, wherein
the first guides are a plurality of grooves on an outer surface of the pressing cuff on the living body side,
the second guides are a plurality of grooves on an outer surface of the sensing cuff on the living body side,
the pressing cuff and the sensing cuff each comprise a plurality of sheet members, and
the first guides and the second guides are on an outer surface of respective ones of the sheet members that are on the living body side.