Dr. Mariano Palena Showcases DKutting® LL in Complex Multilevel Lower Extremity Arterial Disease
DK Medtech
Vascular Interventional Balloon Product Developer
With the continuous development of interventional treatment technology for lower extremity arteriosclerosis obliterans (ASO), the strategies for managing complex lesions are becoming increasingly refined. Particularly when dealing with challenging lesions such as calcification, in-stent restenosis, and intimal hyperplasia, conventional balloon dilation tends to cause complications like excessive vascular injury, flow-limiting dissections, and hematomas. In recent years, directional scoring balloons, as a new type of pressure-focused balloon, have demonstrated potential to effectively dilate lesions while reducing vascular injury, minimizing dissection risks, and optimizing luminal gain due to their innovative design.
DKutting® LL adopts DK Medtech's unique patented triangular nitinol coil technology, combined with the actual clinical needs of lower limb arteries. It significantly increases the length of the scoring element (up to 150mm) and develops a new fully coaxial balloon delivery system compatible with 0.014"/0.018" guidewires, while enriching the selection of balloon diameters at 0.5mm intervals.
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Case Sharing
Italian peripheral intervention expert Dr. Mariano Palena shared a complex case involving multi-segment lesions of the above-the-knee artery (ATK), femoral-popliteal artery (Fem-Pop), below-the-knee artery (BTK), and below-the-ankle artery (BTA). The DKutting® LL (2.5*150mm/3.5*120mm) successfully opened the below-the-ankle artery and restored blood flow.
This case of ATK→Fem-Pop→BTK→BTA full-limb multilevel PAD lesions can be considered a "top-tier" complex case in the field of peripheral arterial intervention. The lesions span multiple anatomical segments with significant variations in vessel diameter and calcification levels, making CTO lesion recanalization extremely challenging. Dr. Mariano Palena successfully recanalized the lesions by utilizing retrograde access techniques along with various devices. In this case, DKutting® LL demonstrated excellent bending capability and powerful expansion performance.
Before Expansion
After expansion
Introduction of Experts
Dr. Mariano Palena
Policlinico Abano Terme，Padua，Italy
Renowned Italian expert in peripheral vascular intervention / limb salvage, known for extreme distal (BTK/BTA) recanalization, retrograde access techniques, and complex CLI limb salvage.
The core research direction is interventional treatment for limb salvage in the lower extremities, and he/she is an authoritative expert in the field of CLTI and diabetic foot intervention. His/her work focuses on the ultimate goal of "reducing amputations and preserving limb function," spanning multiple dimensions including clinical diagnosis and treatment, technological innovation, academic research, and physician training.
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