The Tunnel Technique in Aesthetic Rib Removal Surgery for Waist Narrowing

The “tunnel technique” in rib removal for aesthetic waist narrowing refers to a minimally invasive surgical approach where portions of the lower ribs (typically 10–12) are removed through small, strategically placed incisions, creating a “tunnel” to access tand remove he ribs rather than using a wide ??? (open) exposure.

Core Concept

Instead of fully exposing the rib cage, the surgeon:

• Makes a small incision (often posterior or lateral, hidden along natural creases)
• Develops a soft-tissue tunnel down to the rib surface
• Uses specialized instruments to dissect and remove outer segments of the floating ribs (10,11,12)
• Preserves surrounding musculature and neurovascular structures as much as possible

Key Features of the Tunnel Technique

1. Limited Incision / Small Scars

• Incisions are usually 3–5 cm
• Often placed:
  • Along the posterior flank in an oblique orientation
  • Or more lateral in a vertical orientation
• Results in less visible scarring than what would occur in rib removal in thoracic surgery

2. Subperiosteal Rib Exposure and Dissection

• The rib is approached through the muscles and its outer surface exposed undermining the periosteum under direct vision
• The ribs are dissected out in one small area in a circumferential subperiosteal fashion at a proximal location while:
  • Protecting the pleura (at rib 10 in particular)
  • Avoiding injury to intercostal nerves/vessels

• The ribs are cut by ronguers or a piezotome and circumperiosteal dissection done alone its distal length through a narrow tunnel with:
  • special instruments
  • direct visualization
• Requires high anatomical precision and experience
• The cut ribs are released at their cartilaginsous tips

3. Reduced Soft Tissue Disruption

• Muscles are split or tunneled through, not widely detached
• Leads to:
  • Less postoperative pain (relative)
  • Faster recovery (in experienced hands

4. Rib Delivery

• Rib is delivered in a longitudinal fashion through the incision at 90 degrees from its orientation along the rib cage
• The delivery technique keeps the incision small

Advantages

• Smaller scars (aesthetic benefit)
• Less tissue trauma vs. extended open approach
• Potentially shorter recovery time
• Lower risk of contour irregularities from large dissections

Limitations / Risks

This is where reality matters—this is still a major structural surgery:

• Pneumothorax risk (not yet seen)
• Pleural tear is noit rare and is repaired directly without pneumothorax risk
• Injury to:
  • Intercostal nerves – chronic pain or numbness (not yet seen)
  • Vessels – bleeding (not yet seen)
• Asymmetry if rib esection is uneven
• Limited visualization – technically demanding

Aesthetic Goal

By removing the lower floating ribs:

• The waist indentation increases
• The torso appears:
  • Narrower
  • More hourglass-shaped (especially in combination with liposuction or other body contouring surgeries)

Tunnel Technique vs Open Rib Removal

Who Typically Uses It

• Surgeons specializing in:
  • High-end body contouring
  • Waist narrowing procedures
• Often combined with:
  • Liposuction (360 lipo)
  • Breast implants
  • Backlifts
  • Shoulder narrowing
  • Pelvic Plasty
  • Corset wear post-op

Bottom Line

The tunnel technique is essentially a limited incision, cosmetically optimized method for rib removal that prioritizes small scars and reduced dissection—but it trades that for higher technical difficulty and reliance on surgical expertise.

Dr. Barry Eppley

Plastic Surgeon