High performance reticulated elastomeric matrix preparation, properties, reinforcement, and use in surgical devices, tissue augmentation and/or tissue repair

• US 20110184530A1
• Filed: 08/25/2010
• Published: 07/28/2011
• Est. Priority Date: 05/17/2004
• Status: Abandoned Application

• Current Assignee: Biomerix Corp.
• Original Assignee: Biomerix Corp.
• Inventors: MacGillivray, John D., Lavelle, Lawrence P. JR., Friedman, Craig, Datta, Arindam, Sendijarevic, Aisa
• Application Number:
  US12/868,521
• Publication Number:
  US 20110184530A1
• Time in Patent Office: Days
• US Class Current: 623/23.72
• CPC Class Codes: A61L 27/48 with macromolecular fillers
• CPC Class Codes: A61L 27/56 Porous materials, e.g. foams or sponges
• CPC Class Codes: A61L 27/58 Materials at least partially resorbable by the body

Abstract

This invention relates to reticulated elastomeric matrices, their manufacture, their post-processing, such as their reinforcement, compressive molding or annealing, and uses including uses for implantable devices into or for topical treatment of patients, such as humans and other animals, for surgical devices, tissue augmentation, tissue repair, therapeutic, nutritional, or other useful purposes.

Claims

1-101. -101. (canceled)

102. An implantable device comprising:

a reticulated elastomeric matrix comprising a biodurable polymeric material; and

a reinforcement in at least one dimension,

wherein said implantable device is suitably dimensioned for implantation into an anatomical site.

103. The implantable device of claim 102, further comprising at least one additional reticulated elastomeric matrix.

104. The implantable device of claim 102, wherein said reinforcement is a 2-dimensional reinforcement.

105. The implantable device of claim 102, wherein said reinforcement comprises at least one selected from the group consisting of fibers, meshes, wires, sutures, yarns, grids and any combinations thereof.

106. The implantable device of claim 105, wherein said reinforcement comprises a 2-dimensional mesh.

107. The implantable device of claim 105, wherein said reinforcement comprises mono-filament fiber, multi-filament yarn, braided multi-filament yarns, comingled mono-filament fibers, comingled multi-filament yarns, bundled mono-filament fibers, bundled multi-filament yarns, or any mixtures thereof.

108. The implantable device of claim 105, wherein said reinforcement comprises an amorphous polymer, a semi-crystalline polymer, a cross-linked polymer, a bioabsorbable polymer, a biodegradable polymer, an absorbable polymer, a non-biodegradable polymer, a non-bioabsorbable polymer, carbon, glass, ceramic or any mixtures thereof.

109. The implantable device of claim 102, wherein said reinforcement comprises a non-absorbable or non-biodegradable polymer.

110. The implantable device of claim 109, wherein said polymer is selected from the group consisting of polyesters, polyolefins, polyurethanes, polyamides, polyimides, polycarbonates, and any mixtures thereof.

111. The implantable device of claim 110, wherein said polymer is a polypropylene.

112. The implantable device of claim 102, wherein said reinforcement comprises a biodegradable, bioabsorbable or absorbable polymer.

113. The implantable device of claim 112, wherein said polymer is selected from the group consisting of:

(i) homopolymers and copolymers of lactic acid, glycolic acid, lactide, d-, l-, and meso lactide, glycolide, para-dioxanone, trimethylene carbonate, ∈

-caprolactone and blends thereof;

(ii) polyanhydrides;

(iii) polyorthoesters;

(iv) polyoxaesters; and

(v) any mixture thereof.

114. The implantable device of claim 102, wherein said reinforcement is coated with a polymer.

115. The implantable device of claim 102, wherein at least a portion of an outer surface of said device is coated with a polymer coating.

116. The implantable device of claim 115, wherein said polymer coating comprises a biodegradable or absorbable polymer.

117. The implantable device of claim 115, wherein said polymer coating reduces the percentage of pores open at an exterior macro surface of said matrix.

118. The implantable device of claim 117, wherein said polymer coating substantially closes-off the pores open at an exterior macro surface of said matrix.

119. The implantable device of claim 116, wherein said biodegradable or absorbable polymer is selected from the group consisting of:

(i) homopolymers and copolymers of lactic acid, glycolic acid, lactide, d-, l-, and meso lactide, glycolide, para-dioxanone, trimethylene carbonate, ∈

-caprolactone or a mixture thereof;

(ii) polyanhydrides;

(iii) polyorthoesters;

(iv) polyoxaesters; and

(v) any mixture thereof.

120. The implantable device of claim 115, wherein said polymer coating comprises a non-biodegradable or non-absorbable polymer.

121. The implantable device of claim 115, wherein the reticulated elastomeric matrix is coated with a film-forming biocompatible polymer in a liquid coating solution or in a melt state suitable to allow the formation of a biocompatible polymer film.

122. The implantable device of claim 102, wherein said reticulated elastomeric matrix is configured to permit cellular ingrowth and proliferation into the reinforced reticulated elastomeric matrix.

123. The implantable device of claim 102, wherein said matrix is formed from a material selected from the group consisting of polycarbonate polyurethane, polycarbonate polyurea urethane, polysiloxane polyurethane, polysiloxane polyurethane urea, polycarbonate polysiloxane polyurethane, polycarbonate polysiloxane polyurethane urea, polycarbonate hydrocarbon polyurethane, polycarbonate hydrocarbon polyurethane urea, or any mixture thereof.

124. The implantable device of claim 123, wherein said elastomeric matrix is formed by the reaction of diphenylmethane diisocyanate with a polyol,

wherein the diphenylmethane diisocyanate comprises 2,4′

-diphenylmethane diisocyanate, 4,4′

-diphenylmethane diisocyanate or any mixture thereof.

125. The implantable device of claim 102, wherein the implantable device is compressive molded.

126. The implantable device of claim 102, wherein the implantable device is annealed.