惠泰医疗：四季度有望上量产品包含电生理PFA产品、外周球囊与微导管、外周可解脱弹簧圈等

Group 1 - The core viewpoint of the article indicates that the company's gross margin in the fourth quarter is expected to remain stable compared to the third quarter, primarily due to no significant changes in the product sales structure [2] - The company anticipates that high-value-added products expected to see increased sales volume in the fourth quarter include electrophysiology PFA products, peripheral balloons and microcatheters, peripheral dissolvable coils, second-generation coronary thin-walled sheaths, and hydrophilic-coated contrast tubes [2]