复旦大学上海医学院：《医学影像学》PPT教学课件_介入放射学（介入放射学简介、血管造影的基本表现和病例）

Seldinger法示意图 Seldinger Techniqu AnaesthesiauK Skin Vein Straighten J tip of spring-wire guide, if used, and advance into vessel through needle Warning: Do not cut spring wire guide to alter length Do not withdraw spring-wire guide against needle bevel to avoid severing or damaging the wire e Zhongshan Hospital Fudan University

Zhongshan Hospital Fudan University Seldinger法示意图

Seldinger法示意图 Seldinger Technique AnaesthesiaUK Skin Hold spring-wire guide in place and remove needle. Precaution: Maintain a firm grip on spring-wire guide at all times e Zhongshan Hospital Fudan University

Zhongshan Hospital Fudan University Seldinger法示意图

Seldinger法示意图 Seldinger Technique AnaesthesiaUK Skin Enlarge cutaneous puncture site with cutting edge of scalpel positioned away from the spring-wire guide e Zhongshan Hospital Fudan University

Zhongshan Hospital Fudan University Seldinger法示意图

Seldinger法示意图 Seldinger Technique AnaesthesiaUK Skir Use dilator to enlarge site as needed Warning: Do not leave vessei dilator in place as an indwelling catheter to avoid possible vessel wall perforation ④①zh0 ngshan Hospital Fudan University

Zhongshan Hospital Fudan University Seldinger法示意图

Seldinger法示意图 Seldinger Technique AnaesthesiaUK Skin Vein Thread tip of catheter into vessel using spring-wire guide. Grasping catheter near skin advance into vein with a slight twisting motion e Zhongshan Hospital Fudan University

Zhongshan Hospital Fudan University Seldinger法示意图