Hernia repair using mesh reinforcement has become a standard surgical approach for many abdominal wall defects, but "mesh" is not a single product — it refers to a broad category with meaningfully different configurations. Two major hernia mesh types dominate current practice: fully non-absorbable (permanent) mesh and partially absorbable, coated mesh. Each is built from different materials and intended to behave differently in the body over time, and understanding those differences is central to how surgeons think about mesh selection.
What Distinguishes Permanent Mesh From Partially Absorbable Mesh?
Non-absorbable mesh is manufactured from materials designed to remain in the body indefinitely, most commonly polypropylene or expanded polytetrafluoroethylene (ePTFE). Products in this category, such as Clever Non-Absorbable Mesh, are described by the manufacturer as high-strength permanent surgical mesh intended for hernia repair and permanent structural reinforcement, with the manufacturer describing the polypropylene or ePTFE-based construction as maintaining tensile strength for the patient's lifetime.
Partially absorbable mesh, by contrast, combines a permanent structural component with an absorbable element that is resorbed over time. Clever Partially Absorbable (Coated) Mesh is described by the manufacturer as a sterile, skirted mesh built from a coarse-pored knit of polypropylene and polydioxanone threads, with layers bonded using absorbable Poliglecaprone 25 films. This construction is intended to provide durable reinforcement from the permanent component while allowing some of the material to be resorbed as the surrounding tissue heals and incorporates the remaining structure.
Why Do Both Categories Continue to Be Used Rather Than One Replacing the Other?
Each configuration offers a different balance of properties that surgeons weigh against the specific hernia defect and patient anatomy. Fully non-absorbable mesh offers a permanent scaffold that maintains its structural presence indefinitely, which can be a relevant consideration for larger defects or higher-recurrence-risk repairs where durable long-term reinforcement is prioritized. Partially absorbable mesh is generally discussed in terms of reducing the total permanent foreign material left in the body over time, since a portion of the construct is designed to resorb, which some surgeons consider relevant to the surrounding tissue response as healing progresses. Neither configuration is universally superior — surgical literature and manufacturer materials both frame the choice as dependent on the clinical scenario rather than a fixed hierarchy between the two.
What Factors Typically Influence Which Mesh Type Is Selected?
Mesh selection is generally described as depending on a combination of factors specific to the patient and the defect, including:
- The size and location of the hernia defect
- Whether the repair is a primary procedure or addressing a recurrence
- The patient's tissue quality and any relevant comorbidities
- Surgeon and institutional experience and preference
- Whether the mesh will be placed in a position with anticipated tissue contact considerations
Because these factors interact differently case by case, the decision about which hernia mesh type to use is made by the operating surgeon, not derived from a general rule that would apply the same way to every patient.
Are There Differences in How the Two Mesh Types Handle Surgically?
Surgeons and manufacturers commonly describe differences in handling characteristics between these configurations, including flexibility, how the mesh conforms to the abdominal wall, and how it interacts with fixation devices or sutures during placement. The coarse-pored knit construction described for partially absorbable coated mesh, for example, is intended to support tissue ingrowth through the pore structure. These handling characteristics are generally discussed as practical, technique-level considerations for the surgical team rather than factors that change the fundamental indication for mesh use.
Is partially absorbable mesh better than fully non-absorbable mesh?
Neither type is considered universally better; each has different characteristics that make it more or less suited to a particular hernia repair. The appropriate mesh type depends on the specific defect, patient anatomy, and surgeon judgment, and is determined case by case rather than through a fixed preference.
What is polydioxanone used for in composite hernia mesh?
Polydioxanone is one of the materials used in certain partially absorbable mesh constructions, generally combined with polypropylene in a coarse-pored knit. Manufacturer descriptions frame this combination as intended to provide reinforcement while incorporating an absorbable component as part of the overall mesh design.
Does non-absorbable mesh stay in the body forever?
Non-absorbable mesh materials such as polypropylene and ePTFE are designed to remain in place permanently as structural reinforcement, and manufacturers describe such mesh as maintaining tensile strength over the patient's lifetime. Whether permanent mesh is appropriate for a given patient is a decision made by the treating surgeon based on the specific repair.
INVAMED's Clever mesh line sits within the broader hemostatic tissue sealant solutions category, which also includes hemostatic agents and tissue adhesives used across general and reconstructive surgery.
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.