Synthetic serous membranes and methods for making the same

Patent metadata

Field	Value
Publication number	US-9308294-B2
Application number	US-201113499392-A
Country	US
Kind code	B2
Filing date	May 5, 2011
Priority date	May 5, 2011
Publication date	Apr 12, 2016
Grant date	Apr 12, 2016

Abstract

The present disclosure relates to casting-mold imprints and synthetic reproductions of serous membranes for tissue engineering and organogenesis. The imprints and synthetic membranes disclosed herein may be composed of distinct biocompatible polymers, which provide a mechanism for separation. Further disclosed herein are methods for making imprints and synthetic membranes that mimic natural scrous membranes.

First claim

The invention claimed is:

1. A synthetic serous membrane comprising one or more biocompatible polymers that form a topological duplicate at the nano- or micro-scale level, of a donor serous membrane, wherein the topological duplicate is a synthetic pericardial, pleural, or peritoneal membrane, or any combination thereof, wherein the synthetic pericardial, pleural, or peritoneal membrane includes a two-layer membrane, wherein the synthetic serous membrane is free from the donor serous membrane and is formed without collagen.

2. The synthetic serous membrane of claim 1 , wherein the one or more biocompatible polymers are selected from the group consisting of agarose, chitin, chitosan, polyglycolic acid, polylactic acid, polylactide-glycolide, and polydioxanone, and any combination thereof.

3. The synthetic serous membrane of claim 1 , wherein the topological duplicate is capable of facilitating cellular differentiation, cell attachment, cell growth, cell-sheet growth, tissue growth, tissue engineering, or encasing tissues or organs, or any combination thereof.

4. The synthetic serous membrane of claim 1 , wherein the two-layer membrane includes a synthetic visceral and parietal layer.

5. The synthetic serous membrane of claim 1 , wherein the one or more biocompatible polymers are selected from the group consisting of poly(hyaluronic acid); poly(sodium alginate); poly(ethylene glycol); poly(urethanes); poly(siloxanes); poly(ethylene); poly(vinyl pyrrolidone); poly(2-hydroxy ethyl methacrylate); poly( N-vinyl pyrrolidone); poly(methyl methacrylate); poly(vinyl alcohol); poly(acrylic acid); poly(vinyl acetate); polyacrylamide; poly(ethylene-co-vinyl acetate); poly(methacrylic acid); nylons; polyamides; polyanhydrides; poly(ethylene-co-vinyl alcohol); polycaprolactone; polyvinylhydroxide; poly(ethylene oxide) and any combination thereof.

6. A method for producing a synthetic serous membrane comprising:
adding one or more biocompatible polymers to a topological imprint of a donor serous membrane, wherein the imprint is a synthetic pericardial, pleural, or peritoneal membrane imprint, or any combination thereof, and wherein the synthetic pericardial, pleural, or peritoneal imprint includes a two-layer imprint, to form a synthetic serous membrane comprising one or more biocompatible polymers that form a topological duplicate of the donor serous membrane at the nano- or micro-scale level, wherein the topological duplicate is a synthetic pericardial, pleural, or peritoneal membrane, or any combination thereof, wherein the synthetic pericardial, pleural, or peritoneal membrane includes a two-layer membrane; and
removing the synthetic serous membrane from the imprint, wherein the synthetic serous membrane is free from the donor serous membrane and is formed without collagen,
thereby producing the synthetic serous membrane comprising a topological duplicate of the donor serous membrane.

7. The method of claim 6 , wherein the one or more biocompatible polymers are selected from the group consisting of agarose, chitin, chitosan, polyglycolic acid, polylactic acid, polylactide-glycolide, and polydioxanone, and any combination thereof.

8. The method of claim 6 , wherein the two-layer imprint is an imprint of a synthetic visceral and parietal layer.

9. The method of claim 6 , wherein the one or more biocompatible polymers is a different polymer than a polymer used to form the imprint.

10. The method of claim 6 , wherein the removing is by physical, enzymatic, or chemical methods.

11. The method of claim 10 , wherein the physical method is by a change in temperature or pressure, or both.

12. The method of claim 6 , wherein the imprint remains intact following the removing.

Assignees

• Cabrera Robert
• Empire Technology Dev Llc

Inventors

• Cabrera Robert

Classifications

• C08L67/04

  Polyesters derived from hydroxycarboxylic acids, e.g. lactones (C08L67/06 takes precedence) · CPC title

• A61L27/18

  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds · CPC title

• A61L27/34 Primary

  Macromolecular materials · CPC title

• A61L2430/20

  for reconstruction of the heart, e.g. heart valves · CPC title