Yīn Zháixīn 殷宅心 (zì Hézōng 合宗), late-Míng physician of Lújiāng 廬江 (Ānhuī), pupil of 王肯堂 Wáng Kěntáng during the latter’s Huáihǎi (Yángzhōu) practice period. First met Wáng in xīnhài 辛亥 = 1611 in a Hánjiāng 邗江 / Yángzhōu inn, where Wáng inscribed his clinical case-records to Yīn as a record of the master’s teaching. Editor of KR3eq046 Yīxué qióngyuán jí 醫學窮源集 (6 juǎn, compiled posthumously and signed Chóngzhēn yuánnián 崇禎元年 = 1628); his editorial extraction of Wáng’s Chǐmùlóu túshuō 尺木樓圖說 and his clinical case-records preserves the principal late-Míng exposition of the yùnqì doctrine. Not in CBDB.