Home Dr. Diego López García Showcases DKutting® Scoring Balloon for Severe Common Femoral Artery Stenosis in CLI Patient

Dr. Diego López García Showcases DKutting® Scoring Balloon for Severe Common Femoral Artery Stenosis in CLI Patient

Jul 07, 2026 07:30 CST Updated 07:30
DK Medtech

Vascular Interventional Balloon Product Developer

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With the booming development of the peripheral vascular intervention market, conventional balloons are prone to causing complications such as excessive vascular injury, flow-limiting dissections, and hematomas when treating the increasingly prevalent high-resistance stenotic lesions. In contrast, pressure-focusing balloons utilize cutting/scoring elements positioned between the vessel intima and the outer diameter of the balloon during expansion to achieveIncreaseHigh localized pressure and efficient directional expansion to reduce vascular elastic recoil represent a new direction in the development of interventional balloon catheters.

Independently developed by DK MedtechDKutting®Directional Scoring Balloon, featuring an exclusive patented design (CN201810478242.X),Notched Nitinol CoilIt offers numerous advantages, including excellent trackability, uniform expansion, high burst pressure, and directional cutting.The notch depth is 0.36 mm, reaching the media layer, providing optimal conditions for subsequent drug-coated balloon therapy.DKutting® The product’s comprehensive performance delivers “top-tier dilation” therapeutic outcomes for vascular stenotic lesions.


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Internationally Certified, Premier Expansion

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Renowned Spanish Vascular Surgery SpecialistDr. Diego López GarcíaShared a case of a patient with critical limb ischemia (CLI), successfully completed multi-segment bloodTransportationReconstruction.

For severe stenosis of the common femoral arteryNarrowFor the treatment, Dr. Diego López García chose 7×80mmDKutting® High-Pressure Scoring BalloonDilate the lesion, and use a DCB balloon after successful dilation. DKutting®of the scoring element, which uniformly dilates severe stenosis while reaching directly into the media layer, thereby providing optimal conditions for the efficacy of drug-coated balloons (DCB); therefore,DKutting®It can be said to be the optimal lumen preparation tool.

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Subsequently, Dr. Diego López García performed antegrade recanalization of the chronic total occlusion (CTO) of the femoropopliteal artery using a guidewire, and conducted angioplasty of the peroneal artery with a high-pressure balloon. The femoropopliteal segment was prepared for vascular intervention using a Chocolate balloon. Due to significant elastic recoil caused by extensive calcification in the Hunter’s canal segment, an intravascular lithotripsy system was employed in conjunction with a high-pressure balloon to improve vessel compliance and enlarge the lumen.

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Finally, a flow-limiting dissection occurred in the distal segment of the superficial femoral artery (SFA), and two bailout stents were implanted.

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The final outcome was favorable, with rapid restoration of peroneal artery blood flow.

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This case involved complex multilevel lesions (severe stenosis of the common femoral artery + chronic total occlusion [CTO] of the femoropopliteal artery + peroneal artery stenosis + severe calcification in the Hunter’s canal segment). Dr. Diego López García employed a “stepwise vessel preparation + precise device combination” strategy for pure endovascular treatment, achieving ultimate technical success. Peroneal artery blood flow was restored, and the limb was salvaged, demonstrating the clinical value of the “endovascular-first” strategy in high-risk patients with critical limb ischemia (CLI).


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Expert Profile

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Dr. Diego López García

Chief Physician of Vascular and Endovascular Surgery at Hospital San Pedro de Logroño in La Rioja, Spain, with 21 years of clinical experience. He is one of the leading experts in complex endovascular treatment for peripheral artery disease in Spain, specializing in minimally invasive therapies for critical limb ischemia (CLI), carotid artery disease, and lower extremity varicose veins. He performs over 500 vascular surgical procedures annually, with complex endovascular interventions accounting for more than 70%. He is particularly skilled in endovascular salvage therapy after bypass failure, as well as in treating multi-segment severe calcified lesions and chronic total occlusion (CTO) lesions.

  • Full Member of the Spanish Society of Angiology and Vascular Surgery (Sociedad Española de Angiología y Cirugía Vascular, SEACV)

  • Delivered numerous lectures and performed live surgical demonstrations at international and Spanish national vascular surgery conferences

  • Committed to promoting the concept of minimally invasive treatment for vascular diseases and advancing the widespread adoption and standardization of vascular interventional techniques in primary care hospitals across Spain.


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