Guangdong Provincial Hospital of Chinese Medicine

Jiechao Xiao

Zhiqiang Chen

Yingchao Xiao

A precise arterial blood sampling device comprising a pen cap and a pen container which comprises a front pen container and a rear pen container, wherein: a first piezoelectric sensor sensing column is horizontally fixed to the front pen container, a horizontal slide rail is provided on the front pen container, a second piezoelectric sensor sensing column is provided on the horizontal slide rail, splines are provided on the second piezoelectric sensor sensing column, an elongated groove is formed on the front pen container, and a sensing column extending/retracting control wheel fitting with the splines is provided in the elongated groove; and a control chip, a needle ejection mechanism, a display screen, and a switch are provided inside the rear pen container, and the first piezoelectric sensor sensing column, the second piezoelectric sensor sensing column and the display screen are connected to the control chip respectively.

Growing community of inventors

Guangzhou, China

Jiechao Xiao