A transseptal guidewire (300, 500) with enhanced
echogenicity and markers to facilitate precise positioning during transseptal puncture procedures. The guidewire comprises a flexible elongate body (306) with a
distal portion having echogenic markers (320, 520) formed by mechanical deformation of the guidewire surface, creating surface discontinuities that reflect
ultrasound waves. These echogenic markers improve
visibility under
ultrasound imaging, allowing for accurate positioning of the guidewire tip at the target location. The guidewire also includes markers at the proximal end that provide visual or tactile feedback on the relative position of the guidewire with respect to a supporting member, such as a sheath or
dilator. The proximal markers enable intuitive positioning and safe advancement of the guidewire during the procedure. By enhancing guidewire
visibility and providing positioning feedback, improves the safety and efficiency of transseptal puncture procedures while maintaining compatibility with standard techniques and equipment.