First Patients Treated from Radial Access Using Diamondback 360® Extended Length Peripheral Orbital Atherectomy Device

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Cardiovascular Systems reports Dr. Mahir Elder, an interventional cardiologist at the Detroit Medical Center Heart Hospital, and Drs. Ian Cawich and Vasili Lendel, both interventional cardiologists at Arkansas Heart Hospital, treated patients using the Diamondback 360® Extended Length Peripheral Orbital Atherectomy Device. Read on:

“From a physician’s perspective, radial access is a viable alternative that allows us to minimize bleeding and avoid commonly diseased femoral arteries. Additionally, it allows for both bilateral diagnostics and interventions while also eliminating the need for femoral closure devices. The result for patients is a far less invasive procedure,” said Dr. Cawich.

Scott Ward, CSI Chairman, President, and Chief Executive Officer, said “The first procedures using the extended length Diamondback 360 OAD is a milestone for physicians, patients, and our company. When surgery is necessary, PAD lesions can be treated through femoral artery access. However, factors such as obesity, the presence of vascular disease and scar tissue can complicate femoral access. Radial access allows physicians to reach and treat lower limb PAD lesions through the radial artery in the wrist, providing an alternative access point and more options to treat complicated and at-risk patients.”

Dr. Lendel commented, “Radial access has been on the rise for percutaneous coronary interventions for several years, and the benefits have been well documented. Now, I’m excited that new devices like CSI’s Extended Length OAS are enabling me to bring the benefits of radial access to another patient population in those undergoing peripheral vascular interventions.”

Cardiovascular Systems notes as an alternative to femoral access, the extended length Diamondback 360 OAD reduces invasiveness, and often results in greater patient satisfaction. In addition, patients experience:

  • Fewer access site bleeding complications;
  • The ability to walk less than an hour post-procedure; and
  • Shorter hospital stays, on average.

Said Dr. Elder, “As an interventional cardiologist, I value the ability to treat my PAD patients with this device. Treating PAD via radial access enables me to provide a better patient experience that includes faster ambulation and discharge than treating via femoral access.”

Radial Access Diamondback 360 OAD Availability:  The radial access Diamondback 360 OAD, currently available via a limited market rollout, features a 5 Fr profile and three crown sizes:

  • 1.25 diameter solid, 200 cm length
  • 1.50 diameter solid, 200 cm length
  • 1.75 diameter solid, 180 cm length

CSI anticipates a full commercial launch of the device in its fiscal year 2019.

Concluded Ward, “CSI is committed to innovation and cultivating less invasive access sites for percutaneous interventions. Our extended length Diamondback 360 OAD demonstrates that commitment and reflects the hard work of our team on behalf of patients and physicians.”



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