Patent ID: 11944412
Assignee: MICROJET TECHNOLOGY CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  B  G | IPC A  B

Claim 5:
6. The blood pressure detection device according to claim 1, wherein the valve unit comprises a valve conductive layer, a valve base layer and a flexible membrane, wherein the valve conductive layer is formed by a piezoelectric material that is electrically charged, and is electrically connected to the microprocessor, whereby the valve conductive layer deforms when a driving signal from the microprocessor is received, wherein an accommodation space is maintained between the valve conductive layer and the valve base layer, and the flexible membrane is made of a flexible material, attached to one side of the valve conductive layer and placed in the accommodation space, wherein a plurality of through holes are formed on each of the valve conductive layer, the valve base layer and the flexible membrane, the through holes of the valve conductive layer and the through holes of the flexible membrane are aligned to each other, and the through holes of the valve base layer and the through holes of the valve conductive layer are misaligned to each other.