Related Experiment Videos
Experimental tissue molding for soft-tissue reconstruction: a preliminary report.
1Meharry Medical College, HCA Center for Research and Education, Nashville, Tenn. 37203.
Plastic and Reconstructive Surgery
|November 1, 1988
Summary
This study demonstrates molding pig omentum within silicone molds to create detailed external structures. Omentum with synthetic support maintained shape post-removal, offering potential for living tissue prostheses.
Area of Science:
- Regenerative Medicine
- Tissue Engineering
- Surgical Innovation
Background:
- Autologous tissue reconstruction is crucial for external defects.
- Omentum offers a pliable, vascularized tissue source.
- Current methods lack the fine detail achievable with prosthetics.
Purpose of the Study:
- To develop a method for molding pig omentum into detailed external structures.
- To assess the viability and shape retention of molded omentum.
- To explore the potential of creating living tissue prostheses.
Main Methods:
- Mobilization of pig omentum on its gastroepiploic pedicle.
- Placement of omentum within silicone rubber molds under skin for 4 weeks.
- Incorporation of synthetic materials for structural support within the omentum.
- Application of split-thickness skin grafts.
Main Results:
- Molded omentum successfully adopted the mold's contour when tissue volume was appropriate.
- Excessive pressure led to necrosis; inadequate tissue resulted in poor contour.
- Omentum with synthetic support maintained shape for up to 1 month post-mold removal in some animals.
- Un-supported omentum rapidly lost molded shape.
Conclusions:
- Omentum molding in silicone molds provides a viable technique for creating detailed autologous tissue structures.
- Incorporating synthetic materials enhances shape retention of the molded omentum.
- This technique shows promise for developing living tissue prostheses for secondary microvascular transfer.