Self-forming prosthesis for repair of soft tissue defects

Details Self-forming prosthesis for repair of soft tissue defects Self-forming prosthesis for repair of soft tissue defects

1997-07-16

2000-05-23

Milano, Michael J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

623901, 606151, 606213, A61F 202

Patent

active

060667761

ABSTRACT:
A prosthesis is provided that is advantageously used to fill a soft tissue or muscle defect, such as an inquinal or femoral hernia. In a first aspect of the invention, multiple layers of a flexible, mesh material are attach together at a finite number of joins. A tab is placed at the geometric center of one of the mesh layers to facilitate insertion of the mesh into the defect. The tab also creates a blunt tip that reduces irritation and discomfort to the patient. In a second aspect of the invention, a prosthesis is provided that includes a barrier layer between two or more layers of flexible, mesh material to prevent adhesion of the device to the tissue. All layers are attached together by a finite number of joins. A tab is placed at the geometric center of one of the mesh layers to facilitate insertion of the mesh into the defect. The prostheses of the invention are self-forming in that they change from a two dimensional configuration to a three dimensional configuration upon insertion of the device into the defect.

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Rutkow and Robbins, "Tension-free" Inguinal Herniorrhaphy: A Preliminary Report on the "Mesh Plug " Technique, Surgery, vol. 114, No. 1, (Jul. 1993) pp. 3-8.
Shulman, A.G. et al., "Prosthetic Mesh Plug Repair of Femoral and Recurrent Inguinal hernias: The American Experience", Annals of the Royal College of Surgeons of England, (1992) vol. 74, pp. 97-99.
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