MEDTRONIC CB96570-019 BIO-MEDICUS 19FR

Condition: New
Part #: CB96570-019

$850.00

MEDTRONIC CB96570-019 BIO-MEDICUS 19FR

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Description

The Medtronic CB96570-019 Bio-Medicus 19FR is a premier femoral arterial cannula designed for high-performance cardiopulmonary bypass (CPB) and extracorporeal membrane oxygenation (ECMO). Engineered for adult patients, this 19 French (6.3 mm) device balances a small outer diameter with a maximized internal lumen to ensure high flow rates with minimal pressure drop.

Constructed from medical-grade polyurethane and reinforced with flat wire winding, the Bio-Medicus series is the industry standard for kink resistance and structural integrity during percutaneous or open surgical placement.


Core Technology: Advanced Material Science

The Bio-Medicus 19FR integrates three core design pillars to optimize perfusion:

  • Thin-Wall Technology: The flat wire reinforcement allows for an ultra-thin wall, providing a larger internal diameter compared to standard plastic cannulae. This results in superior flow dynamics.

  • Kink-Resistant Polyurethane: The polyurethane body is more flexible and biocompatible than PVC, ensuring the vessel remains patent even during patient positioning or complex surgical maneuvers.

  • BioActive Surface (Optional): Many models, including variants of the CB96570-019, offer a Heparin-based or non-leaching BioActive coating to improve blood compatibility and reduce the risk of thrombus formation during extended bypass.

Mechanism of Action

The Bio-Medicus cannula functions as the primary arterial return point in an extracorporeal circuit. Blood is pumped from the heart-lung machine through the 3/8-inch vented connector and into the femoral artery.

The tapered tip is designed to transition smoothly from the introducer/dilator to the cannula body, reducing the mechanical force required for insertion. Once positioned, the flat wire winding prevents the vessel walls or the cannula itself from collapsing under the negative or positive pressures common in CPB circuits.

Clinical Applications and Uses

This cannula is specifically sized for standard adult patients requiring arterial access for:

  • Cardiopulmonary Bypass (CPB): Routine and complex cardiac surgeries.

  • Extracorporeal Membrane Oxygenation (ECMO): Long-term respiratory or cardiac support.

  • Emergency Resuscitation: Rapid femoral access for ECPR (Extracorporeal Cardiopulmonary Resuscitation).

  • Minimally Invasive Cardiac Surgery (MICS): Where peripheral cannulation is preferred over central aortic access.

Key Advantages

  • Minimized Trauma: The tapered tip and smooth transition zones reduce the risk of arterial dissection or vessel wall damage during insertion.

  • Precision Placement: Integrated depth markings allow surgical teams to monitor the exact position of the 18 cm tip within the iliac or femoral artery.

  • High Flow Efficiency: Optimized for 19FR sizing to deliver standard adult flow rates while maintaining a lower profile to preserve distal limb perfusion.

  • Safety Integration: The 3/8-inch connector features a vented design to simplify the de-airing process and ensure a secure, bubble-free connection to the perfusion circuit.


Technical Specifications

Parameter Specification
Model Number CB96570-019
Cannula Size 19 French (6.3 mm OD)
Tip Length 18 cm
Material Wire-reinforced Polyurethane
Connector Size 3/8-inch (Vented)
Insertion Method Percutaneous (Seldinger Technique) or Open Cut-down
Sterility Single-use, Sterile

Size Comparison Chart

Model Diameter Tip Length Patient Profile
17FR 5.8 mm 18 cm Smaller adults / Adolescent patients
19FR 6.3 mm 18 cm Standard Adult Perfusion
21FR 7.0 mm 18 cm Larger patients requiring higher flow

Frequently Asked Questions

What is the benefit of the flat wire winding in the Bio-Medicus 19FR?

The flat wire reinforcement is critical for maintaining a high internal-to-external diameter ratio. It prevents the cannula from kinking or collapsing, which is essential for ensuring consistent blood flow and preventing pressure spikes that could damage blood cells or interrupt the cardiopulmonary bypass circuit during surgery.

Can this cannula be used for long-term ECMO support?

Yes, the Medtronic Bio-Medicus series is frequently used in ECMO applications. Its polyurethane construction and optional BioActive surface are designed to be more hemocompatible than standard PVC cannulae, making it suitable for the extended durations required for extracorporeal membrane oxygenation in adult patients.

What is the significance of the 19 French sizing?

The 19 French (6.3 mm) size is considered the “standard” for most adult femoral arterial cannulations. It provides an optimal balance: it is large enough to support the flow rates required for full bypass (typically 4–5 L/min) while remaining small enough to minimize the risk of limb ischemia.

How does the tapered tip design improve patient safety?

The tapered tip allows for a “dilator-to-cannula” transition that is nearly seamless. This reduces the resistance encountered during insertion into the femoral artery, significantly lowering the risk of accidental vessel perforation, sub-intimal tracking, or arterial dissection during the Seldinger technique.

Is the 3/8-inch connector compatible with standard hospital equipment?

Absolutely. The 3/8-inch vented connector is the global standard for perfusion systems. The “vented” feature is particularly important as it allows perfusionists to easily remove air from the line during the connection process, ensuring patient safety and preventing air emboli.

Does this cannula require a specific insertion kit?

While the CB96570-019 can be placed via open cut-down, it is most commonly used with a percutaneous insertion kit using the Seldinger technique. This usually involves a needle, guidewire, and a series of dilators to safely expand the vessel before the 19FR cannula is advanced.

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