MEDTRONIC 90483 BioTrend Fiber Optic Sensor Cable

Condition: New
Part #: 90483

$1,300.00

MEDTRONIC 90483 BioTrend Fiber Optic Sensor Cable, Box of 01

SKU: 90483 Categories: ,
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Description

The Medtronic 90483 BioTrend™ Fiber Optic Sensor Cable is a specialized, sterile, single-use interface designed for high-precision hemodynamic monitoring during cardiopulmonary bypass (CPB) surgery. As a vital component of the Medtronic BioTrend Oxygenation Monitoring System, this cable provides the optical link between the patient’s blood circuit and the monitoring console. By facilitating the real-time transmission of light signals, it enables perfusionists and surgical teams to monitor critical blood parameters without interruption, ensuring optimal patient management during extracorporeal circulation.


Core Technology

The 90483 cable utilizes Fiber Optic Signal Transmission technology. Unlike traditional copper-based electrical cables, fiber optics use pulses of light to carry data.

  • EMI Resistance: The construction is inherently resistant to electromagnetic interference (EMI) and radio-frequency interference (RFI), which are common in the modern operating room environment (e.g., from electrocautery units).

  • Signal Fidelity: Optical fibers ensure that the signal from the measurement cell reaches the BioTrend monitor without degradation, maintaining the accuracy of the oxygen saturation and hematocrit readings.


Mechanism of Action

The BioTrend system operates on the principle of spectrophotometry:

  1. Light Emission: The BioTrend monitor sends specific wavelengths of light through the 90483 fiber optic cable.

  2. Blood Interaction: The light reaches the Tri-optic Measurement Cell (TMC), where it is reflected off the red blood cells passing through the bypass circuit.

  3. Optical Return: The reflected light—which changes based on the amount of oxygen bound to hemoglobin—is carried back through the 90483 cable to the monitor’s sensors.

  4. Data Processing: The monitor calculates the ratio of reflected light to determine the Mixed Venous Oxygen Saturation ($SvO_2$) and Hematocrit (Hct) levels instantly.


Applications and Clinical Uses

This sensor cable is indicated for use in all adult and pediatric surgical procedures requiring extracorporeal circulation.

  • Real-Time Perfusion Management: Allows for immediate adjustments to oxygenator settings or pump flow based on $SvO_2$ trends.

  • Hematocrit Monitoring: Provides continuous data on blood concentration, helping to guide hemodilution or transfusion strategies.

  • Mixed Venous Oxygen Saturation ($SvO_2$): Acts as an early warning system for imbalances between systemic oxygen delivery and consumption.


Key Advantages

  • Broad Compatibility: Engineered to work seamlessly with Medtronic TMC25, TMC38, and TMC50 measurement cells, providing flexibility across different circuit sizes.

  • Sterile & Disposable: The single-use design eliminates the risk of cross-contamination and removes the need for complex sterilization between cases.

  • High-Flow Reliability: Features secure, locking connectors that maintain signal integrity even during the vibrations and movement associated with high-flow bypass.

  • Robust Construction: The cable is designed to withstand the physical demands of the OR while remaining flexible enough for easy routing within the perfusion circuit.


Technical Specifications

Feature Specification
Model Number 90483
Component Type Fiber Optic Sensor Cable
Compatibility BioTrend™ Monitoring System; TMC25, TMC38, TMC50 Cells
Sterility Sterile, Single-use
Measured Parameters $SvO_2$ (Oxygen Saturation), Hct (Hematocrit)
Signal Type Optical (Light-based)

Frequently Asked Questions

What is the primary function of the Medtronic 90483 BioTrend cable?

The 90483 cable acts as the optical bridge between the Tri-optic Measurement Cell (TMC) in the bypass circuit and the BioTrend monitor. It transmits light signals that allow the system to calculate mixed venous oxygen saturation ($SvO_2$) and hematocrit, providing continuous hemodynamic feedback to the perfusionist during surgery.

Which measurement cells are compatible with this sensor cable?

The Medtronic 90483 cable is designed for universal compatibility within the BioTrend ecosystem. It works with the TMC25, TMC38, and TMC50 Tri-optic Measurement Cells. This allows surgical teams to use the same cable type regardless of whether they are treating adult, pediatric, or infant patients.

Is the 90483 cable reusable after proper sterilization?

No, the Medtronic 90483 cable is a sterile, single-use disposable device. Attempting to re-sterilize or reuse the cable can damage the delicate fiber optic filaments, leading to inaccurate readings or signal failure. Single-use packaging also ensures the highest level of patient safety and infection control.

How does fiber optic technology improve performance in the operating room?

Fiber optic construction is immune to electrical interference from other OR equipment, such as bovies or lasers. This ensures that the $SvO_2$ and hematocrit data remains stable and accurate, even in a “noisy” electrical environment where traditional copper cables might experience signal distortion or artifacts.

Can this cable monitor oxygen saturation in the arterial line?

While primarily used for mixed venous oxygen saturation ($SvO_2$) monitoring to assess global oxygen balance, the cable and system can be used anywhere a compatible TMC cell is placed. However, its most critical clinical application is typically in the venous line to monitor the oxygen reserve.

What should I do if the BioTrend monitor displays a signal loss alarm?

Check the secure connections at both the monitor and the TMC sensor cell. Ensure the 90483 cable is not kinked or pinched, as physical damage to the fiber optic core will prevent light transmission. Since the cable is disposable, if the connection is secure but the signal is absent, replace it with a new sterile unit.

Listing Terms & Conditions

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