Multiple stack mode functions as a specialized depth-enhancer in laser treatments. By emitting the laser beam several times consecutively onto the exact same micro-zone, this technique significantly increases the depth of ablation compared to standard single-pulse modes. This process is specifically designed to drive thermal energy past the surface and into the deep structures of thickened or rigid scars.
Core Takeaway Multiple stack mode overcomes the physical barrier of dense scar tissue by concentrating repeated laser pulses in a single location. This allows thermal energy to penetrate the deep dermis effectively, breaking down thick fibrous tissue to restore flexibility and reduce overall scar volume.
How Multiple Stack Mode Works
Consecutive Emission
The defining characteristic of multiple stack mode is repetition without movement. The system delivers a sequence of laser pulses onto a single micro-zone before moving to the next area.
Increasing Ablation Depth
Each consecutive pulse in the "stack" digs slightly deeper than the last. This allows the laser to bypass the limitations of surface treatment and achieve deep tissue penetration, accessing layers of the dermis that a single pass cannot reach.
The Impact on Scar Tissue
Breaking Down Fibrous Tissue
Thickened scars are often composed of dense, resistant fibrous tissue located in the deep dermis. Multiple stack mode ensures that thermal energy reaches these deeper layers effectively, rather than just treating the skin's surface.
Improving Flexibility
Scars with poor flexibility are rigid due to the density of the tissue. By delivering heat deep into the scar structure, this mode promotes a more thorough improvement in tissue elasticity, helping to resolve the stiffness associated with hypertrophic scarring.
Reducing Scar Volume
The ultimate goal of this deep penetration is structural change. The cumulative effect of the stacked pulses leads to a significant reduction in scar volume, effectively flattening the treated area.
Understanding the Trade-offs
Specificity for Thickened Tissue
This mode is a high-intensity tool designed for a specific problem: thickness and rigidity. It is not intended for superficial irregularities. Its value lies entirely in its ability to penetrate the deep dermis, making it the technical process of choice for scars that are physically bulky or resistant to movement.
Making the Right Choice for Your Goal
When determining if multiple stack mode is appropriate for a specific clinical case, consider the physical characteristics of the target tissue.
- If your primary focus is reducing scar volume: Utilize multiple stack mode to deliver the deep thermal energy required to ablate and shrink dense fibrous tissue.
- If your primary focus is restoring movement: Rely on this mode to penetrate the deep dermis and break down the rigidity that causes poor scar flexibility.
Summary: Multiple stack mode transforms a standard laser treatment into a deep-tissue intervention, providing the necessary penetration to dismantle thick, fibrous scarring from the inside out.
Summary Table:
| Feature | Single Pulse Mode | Multiple Stack Mode |
|---|---|---|
| Mechanism | Single emission per micro-zone | Consecutive pulses on same micro-zone |
| Penetration | Superficial to mid-dermis | Deep dermis / Thick tissue access |
| Primary Goal | Surface texture & pigmentation | Scar volume reduction & flexibility |
| Tissue Impact | Light ablation | Deep thermal breakdown of fibrous tissue |
| Best Used For | Fine lines & shallow irregularities | Hypertrophic & thickened rigid scars |
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References
- Aida M. Mossaad, Hatem Al Ahmady. Post-Surgical Repair of Cleft Scar Using Fractional CO2 Laser. DOI: 10.3889/oamjms.2018.250
This article is also based on technical information from Belislaser Knowledge Base .
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