Transit Scientific announces XO Cross success in CLTI pedal artery access

2Fr XO Cross 14 microcatheter shown with a 0.014” guidewire

Transit Scientific has reported multiple successful peripheral vascular procedures with the XO Cross catheter platform utilising pedal retrograde access.

The non-tapered 2Fr XO Cross 14 microcatheter in 90cm, 135cm, and 175cm lengths is designed to facilitate guidewire support, guidewire exchange, and contrast media injection during complex peripheral vascular interventions.

“2Fr 014 catheter-guidewire systems are an important tool for pedal and below-the-knee interventions,” said George Adams (UNC REX Healthcare, Raleigh, USA). “The XO Cross incorporates a non-tapered torquable shaft design which supports a smaller and less invasive access site from below. Tools like these can help broaden options for approaches and access techniques in CLTI [chronic limb-threatening ischaemia] patients.”

According to a Transit Scientific, the XO Cross catheter platform introduces new levels of pushability, trackability, flexibility, and torque response to access challenging lesions and complex anatomy. XO Cross’s non-tapered, metal-alloy and polymer construction delivers high fatigue resistance against tough lesions found in late-stage peripheral arterial disease (PAD) and CLTI, the company claims.

Richard Saxon (Tri-City Medical Center, Oceanside, USA) shared: “A patient presented with trifurcation disease and severe calcifications in the superficial femoral artery (SFA), popliteal, and the posterior tibial artery. The low-profile and pushability of the XO Cross 14 enabled pedal retrograde access following failed crossing and wire from above. A second XO Cross 14 (135cm) was used from above to support a flossing technique and subsequent angioplasty treatment. The unique non-tapered design of the XO Cross lends itself well to challenging limb salvage procedures that often require multiple access sites and different approaches to achieve a good outcome.”

Transit Scientific’s XO Cross platform features 24 US Food and Drug Administration (FDA)-cleared devices including 2Fr XO Cross 14 microcaths, 2.6Fr XO Cross 18 microcaths, and the 3.8Fr XO Cross 35 support catheters for use with standard 0.014”, 0.018”, and 0.035” guidewires in 90cm, 135cm, 150cm, and 175cm lengths.


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