Lotus Single Lumen & Double Lumen (RX) PTCA Microcatheter
Microcatheters designed for coronary or peripheral lesion crossing, offering single- or double-lumen configurations for guidewire exchange, contrast injection, or subselective lesion access.

Double Lumen RX Microcatheter
- Lotus technologies provide stability and greater certainty for percutaneous coronary intervention.
- Kink resistance: Double stainless steel core maintains high kink resistance as well as increasing pushability.
- Precise, reliable guide wire control and easy recognition of the guide wirefrom OTW lumen exit port.
Single Lumen Microcatheter
- Progresses easily in chronic total occlusions and vascular stenosis with its atraumatic tip structure and hydrophilic surface.
- Compatible with wires of 0.018” and smaller diameters.
- Enhanced resistance to kinking in tortuous anatomy.
- Facilitates optimal guide wire performance.


OTW Guidewire
RX Guidewire
Flexible Tip
Distal
Diameter
0,85 mm
Single Lumen & Double Lumen Options
- Single Lumen: Simplified wire tracking, ideal for straightforward coronary access and lesion crossing.
- Double Lumen: Facilitates dual-wire or over-the-wire techniques, supporting complex, tandem lesions or bridging occlusions.
Braided Microcatheter Shaft
- Reinforced Microbraiding: Offers enhanced pushability and torque control, ensuring stable wire support in heavily calcified or tortuous coronary anatomies.
- Minimal Kink Susceptibility: Maintains lumen patency even under high angulation or multiple wire manipulations.
Hydrophilic Coating
- Low-Friction Surface: Reduces friction during lesion crossing and device exchanges, lowering the risk of vessel trauma.
- Improved Navigability: Ensures smooth movement within tight or heavily calcified lesions, aiding device guidance.
Radiopaque Marker & Distal Coil Structure
- Fluoroscopic Visibility: A marker between shaft and tip clearly delineates microcatheter tip position under x-ray, ensuring safe and accurate lesion engagement.
- Distal Coil Reinforcement: Provides tip stability and radiopacity, ensuring reliable guidance through challenging lesion channels.
Torque Variant
- Precise Steering: The torque-friendly design supports rotational control, allowing clinicians to fine-tune tip orientation and tackle eccentric or bifurcated lesions.
- Maximized Push Efficiency: Helps in crossing chronic total occlusions (CTOs) where greater torque and penetration force are crucial.
General Product Specifications
Specification | Detail / Value |
Product Name | Lotus PTCA Microcatheter (Available in Single Lumen or Double Lumen configurations) |
Intended Use | Facilitation of guidewire exchanges, selective contrast injection, subselective lesion access in coronary arteries |
Catheter Shaft Length | Typically 135 or 150 cm (Rapid Exchange) |
Outer Diameter Range | ~2.0–2.6 Fr (varies by model, single vs. double lumen) |
Inner Lumen Diameter | ~0.014” wire compatibility for single lumen; ~0.010” and 0.014” separate channels in double-lumen (example) |
Materials | Pebax / Nylon multi-layer shaft, hydrophilic or lubricious coating (depending on final spec) |
Tip Configuration | Straight or angled (15°, 30°, 45°) for easier lesion cross; side-port option in double-lumen design |
Marker Bands | One or two radiopaque markers near the distal tip for fluoroscopic visibility |
Connection | Luer-lock hub for flush or contrast injection |
Sterility | Sterile (Ethylene Oxide) |
Single Use | Yes |
Shelf Life | 2–3 years (typical for microcatheters) |
Storage Conditions | 15–25 °C, protect from humidity and direct sunlight |
Clinical Indications | Coronary CTO crossing, difficult lesion negotiation, side-branch wiring, guidewire exchange, small branch imaging |
Contraindications | Extremely tortuous or occluded anatomies where microcatheter insertion is unsafe, if patient is allergic to device materials, etc. |
B1. Single Lumen Version
Catheter OD (Fr) | Working Length (cm) | Distal Tip Shape | Guidewire Compatibility | Product Code | Notes |
2.0 | 135 | Straight | 0.014” | LOT-SL-20-135-ST | Minimal crossing profile, short-length version |
2.0 | 135 | Angled 15° | 0.014” | LOT-SL-20-135-A15 | Facilitates side-branch approach |
2.0 | 150 | Straight | 0.014” | LOT-SL-20-150-ST | Extended length for deeper coronary or tortuous anatomies |
2.0 | 150 | Angled 30° | 0.014” | LOT-SL-20-150-A30 | Enhanced directional control |
2.2 | 135 | Straight | 0.014” | LOT-SL-22-135-ST | Slightly larger OD for improved pushability |
2.2 | 135 | Angled 15° | 0.014” | LOT-SL-22-135-A15 | Distal tip deflection for tricky lesions |
2.2 | 150 | Straight | 0.014” | LOT-SL-22-150-ST | Longer length with standard tip |
2.2 | 150 | Angled 45° | 0.014” | LOT-SL-22-150-A45 | High-angle tip for complex branch access |
2.4 | 135 | Straight | 0.014” | LOT-SL-24-135-ST | Larger OD for robust lumen support |
2.4 | 135 | Angled 30° | 0.014” | LOT-SL-24-135-A30 | Balanced push & track in moderate tortuosity |
2.4 | 150 | Straight | 0.014” | LOT-SL-24-150-ST | Extended length + bigger OD for difficult coronary segments |
2.4 | 150 | Angled 45° | 0.014” | LOT-SL-24-150-A45 | Highest torque response + advanced tip shape |
B2. Double Lumen Version
Catheter OD (Fr) | Working Length (cm) | Port Configuration | Distal Tip Shape | Guidewire Channels | Product Code | Notes |
2.2 | 135 | Side Port (Distal) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-22-135-ST | Dual-lumen for simultaneous wire + injection or contralateral sub-branch |
2.2 | 135 | Side Port (Distal) | Angled 15° | Main: 0.014” Side: 0.010” | LOT-DL-22-135-A15 | Angled tip to handle tough side-branch approach |
2.2 | 150 | Side Port (Mid) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-22-150-ST | Extended length for deeper lesion management |
2.2 | 150 | Side Port (Mid) | Angled 30° | Main: 0.014” Side: 0.010” | LOT-DL-22-150-A30 | Steerable for complicated anatomies |
2.4 | 135 | Side Port (Distal) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-24-135-ST | Slightly larger OD for improved push/pull in complex lesions |
2.4 | 135 | Side Port (Distal) | Angled 30° | Main: 0.014” Side: 0.010” | LOT-DL-24-135-A30 | Ideal for crossing near-bifurcations with stable dual-lumen approach |
2.4 | 150 | Side Port (Proximal) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-24-150-ST | Extended length for advanced subselective injection |
2.4 | 150 | Side Port (Proximal) | Angled 45° | Main: 0.014” Side: 0.010” | LOT-DL-24-150-A45 | High-angle tip for extreme branch manipulation |
2.6 | 135 | Dual-Port (Distal & Mid) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-26-135-ST | Largest OD with dual side ports for maximum injection control |
2.6 | 135 | Dual-Port (Distal & Mid) | Angled 15° | Main: 0.014” Side: 0.010” | LOT-DL-26-135-A15 | Enhanced manipulative capacity for complicated multi-branch lesions |
2.6 | 150 | Dual-Port (Distal & Prox.) | Straight | Main: 0.014” Side: 0.010” | LOT-DL-26-150-ST | Extended length + largest OD for extreme coronary or peripheral usage |
2.6 | 150 | Dual-Port (Distal & Prox.) | Angled 30° | Main: 0.014” Side: 0.010” | LOT-DL-26-150-A30 | For most difficult sub-bifurcations with multiple injection routes |
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