Dolphin ZEBRA Crossing Support Catheter
A specialized ZEBRA-pattern coated support catheter optimizing visibility under fluoroscopy, enabling consistent lesion crossing in complex occlusions.
The Dolphin® Zebra Crossing Catheter, presented by Invamed is a specialized crossing support catheter distinguished by its striped “zebra” pattern and high-flex design. Developed to facilitate guidewire crossing through complex or chronic total occlusion (CTO) lesions, the Zebra pattern on the shaft enhances fluoroscopic visibility, ensuring improved lesion access and precise guidewire support in challenging peripheral or coronary interventions.
Zebra Striping for Enhanced Visibility
- The catheter shaft features a distinctive striped pattern, boosting contrast under fluoroscopy and aiding real-time positional awareness in tortuous or occlusive vessels.
High Pushability & Torque
- Braided or coiled shaft architecture delivers robust torque response, critical for navigating complex plaque or calcific lesions.
Low-Friction Coating (Optional)
- Minimizes vessel resistance, promoting seamless advancement in subintimal or heavily diseased segments.
Versatile Clinical Utility
- Suitable for peripheral artery disease (PAD) and complex coronary CTO crossing, offering a stable support platform for balloon/stent delivery devices.
General Product Specifications
Specification | Detail / Value |
Product Name | Dolphin ZEBRA Crossing Support Catheter |
Intended Use | Facilitates guidewire crossing in complex, calcified, or tortuous peripheral and/or coronary lesions; enhanced visibility with distinct Zebra pattern |
Catheter Design | Braided shaft for pushability and torque control, featuring a striped (Zebra) pattern for improved fluoroscopic visibility |
Material | Pebax/Polyamide with stainless steel or nitinol reinforcement, potential hydrophilic coating on distal segment |
Outer Diameter Range | ~2.0–3.0 Fr for coronary use; ~3.5–4.5 Fr for peripheral usage (adjust per your actual product line) |
Inner Lumen | Typically 0.014” guidewire compatibility |
Working Length | ~80–150 cm (depending on model) |
Tip Configuration | Straight or angled tip, radiopaque marker(s) near the distal end |
Marker Bands | 1–2 bands, plus the Zebra pattern shaft for enhanced fluoroscopic tracking |
Sheath Compatibility | 4F–6F (coronary variants), 5F–7F (peripheral variants), verify your product designs |
Sterility | Sterile (Ethylene Oxide) |
Single Use | Yes |
Shelf Life | ~2–3 years if stored in sealed packaging at 15–25 °C |
Clinical Indications | CTO crossing, tortuous segment navigation, advanced lesion crossing in both coronary and peripheral vasculature |
Contraindications | Extremely tight or highly angulated vessels, known device material hypersensitivity |
Dolphin ZEBRA
Fr Size | Working Length (cm) | Tip Style | Product Code | Notes |
2.0 Fr | 80 | Straight | DOL-Z-2.0-80-ST | Ultra-low OD, short for distal coronary or small vessels |
2.0 Fr | 100 | Angled | DOL-Z-2.0-100-AN | Slight angle for crossing side branches or CTO caps |
2.3 Fr | 80 | Tapered | DOL-Z-2.3-80-TP | Tapered tip, moderate length, improved crossing in tight lesions |
2.3 Fr | 135 | Straight | DOL-Z-2.3-135-ST | Longer length for deeper coronary or tibial approach |
2.6 Fr | 100 | Angled | DOL-Z-2.6-100-AN | Balanced OD for peripheral SFA crossing or complex coronaries |
2.6 Fr | 135 | Tapered | DOL-Z-2.6-135-TP | Extended length + tapered tip for advanced subintimal cases |
3.0 Fr | 100 | Straight | DOL-Z-3.0-100-ST | Common size for moderate peripheral usage |
3.0 Fr | 135 | Angled | DOL-Z-3.0-135-AN | Additional length + angled tip for branching vessel approach |
3.0 Fr | 150 | Tapered | DOL-Z-3.0-150-TP | Max length, advanced crossing in extensive occlusions |
3.5 Fr | 135 | Straight | DOL-Z-3.5-135-ST | Larger OD, stable push, midrange length |
3.5 Fr | 150 | Tapered | DOL-Z-3.5-150-TP | Tapered tip for subintimal or collaterals |
4.0 Fr | 135 | Angled | DOL-Z-4.0-135-AN | Additional push for bigger peripheral arteries |
4.0 Fr | 150 | Straight | DOL-Z-4.0-150-ST | Extended length, largest OD for challenging SFA/iliac CTOs |
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