The Diamondback 360 Atherectomy Catheter: Revolutionizing Peripheral Artery Disease Treatment

By Lenny Organ • February 20, 2025 • Tags:EP, reprocessing, electrophysiology

Introduction


Peripheral artery disease (PAD) is a condition in which the blood vessels outside of the heart and brain become narrowed or blocked due to a buildup of fatty deposits (atherosclerosis). This leads to poor circulation, often causing pain, cramping, or numbness, especially in the legs. If left untreated, PAD can significantly impact the quality of life and even lead to severe complications such as gangrene, amputations, or strokes.


In the treatment of PAD, various techniques and devices have been developed to help restore blood flow to the affected areas. One such breakthrough is the Diamondback catheter, a device that has revolutionized the treatment of PAD, especially in cases of complex and heavily calcified arterial blockages. This catheter offers a unique approach to treating atherosclerosis and improving patient outcomes.



What is the Diamondback Catheter?

The Diamondback catheter is a specialized medical device used for arterial revascularization—a procedure aimed at restoring proper blood flow in blocked or narrowed arteries. What sets the Diamondback catheter apart from traditional catheters is its Orbital Atherectomy technology, which is designed to treat calcified plaque in the arteries.


The catheter consists of a flexible shaft with a small, diamond-coated crown at its tip. This crown orbits at high speeds within the blocked artery to help break up and remove the hardened plaque. The diamond coating on the crown allows for superior efficiency in grinding away the calcified material without damaging the surrounding healthy tissue.


How Does It Work?

  1. Catheter Insertion: The Diamondback catheter is inserted into the artery through a small incision, typically in the groin or wrist. It is guided to the site of blockage under fluoroscopic (X-ray) guidance.
  2. Atherectomy Process: Once the catheter reaches the blockage, the diamond-coated crown is activated. It spins at a high speed, gently sanding down the hardened, calcified plaque. This orbital motion allows the catheter to treat both soft and hard plaque while minimizing the risk of damaging the artery walls.
  3. Restoring Blood Flow: As the plaque is broken up and cleared, the artery can be widened, restoring normal blood flow. After the procedure, doctors often perform additional interventions like balloon angioplasty or stent placement to ensure long-term patency of the artery.


Key Benefits of the Diamondback Catheter

  1. Effective Treatment of Calcified Lesions: One of the most notable advantages of the Diamondback catheter is its ability to treat heavily calcified lesions, which are often resistant to traditional angioplasty and stent placement techniques. Calcified plaque can be particularly difficult to manage, and the orbital atherectomy mechanism of the Diamondback catheter makes it highly effective in breaking down these tough deposits.
  2. Minimally Invasive: Like most catheter-based treatments, the Diamondback procedure is minimally invasive. This means shorter recovery times, fewer complications, and a reduced risk of infection compared to traditional surgery.
  3. Improved Patient Outcomes: Studies have shown that using the Diamondback catheter improves the success rates of revascularization procedures, leading to better long-term outcomes. Patients experience improved circulation, reduced pain, and enhanced mobility.
  4. Versatility: The Diamondback catheter is versatile and can be used in both large and small arteries. Its design makes it suitable for a range of PAD cases, including those with complex anatomy or challenging blockages.
  5. Reduced Risk of Vessel Damage: Traditional methods of plaque removal, such as balloon angioplasty, can sometimes cause artery damage or dissection. The orbital action of the Diamondback catheter reduces this risk by providing a more controlled, gentle approach to plaque removal.
  6. Recyclable and Reprocessable: This device can be recycled and labs can earn money for each used device. Further, rather than pay full price for a new device, you can get the device reprocessed at a significant savings.


Clinical Applications and Impact


The Diamondback catheter has found significant use in peripheral artery intervention procedures, especially when treating complex lesions that may involve calcified plaques or long blockages. It is commonly used for treating femoral-popliteal, infrainguinal, and iliac artery blockages, which are prevalent in patients with PAD.


Its role in treating calcified arterial disease is particularly important, as calcification significantly complicates PAD treatment. Many patients with PAD, especially those who are older or have diabetes, experience heavily calcified arteries. The Diamondback catheter’s ability to safely and effectively clear these blockages without damaging the vessel is a game-changer.


Additionally, the success of the Diamondback catheter in PAD treatment has helped improve the quality of life for many patients. Individuals who once struggled with pain, leg fatigue, and limited mobility are now able to regain their function and independence post-procedure.


Safety and Considerations


As with any medical device, the Diamondback catheter is not without risks. Though it is designed to minimize artery damage, complications can still arise, such as vessel perforation, dissection, or embolism (plaque debris traveling to other parts of the body). However, with appropriate training and careful use by skilled professionals, the risks are minimal compared to traditional invasive procedures.

The procedure is typically performed under local anesthesia with sedation, and patients are often able to resume normal activities within a few days, making it an attractive option for individuals who need a rapid return to their daily lives.


Conclusion


The Diamondback catheter is a revolutionary tool in the treatment of peripheral artery disease, particularly for those suffering from calcified arterial blockages. Its unique orbital atherectomy technology has transformed how clinicians treat PAD, improving patient outcomes and offering a minimally invasive alternative to more invasive surgeries. With its proven track record, the Diamondback catheter is likely to remain a cornerstone in vascular interventions for years to come, providing relief and improved quality of life for countless individuals.