Resorbable structure for treating and healing of tissue defects

Details Resorbable structure for treating and healing of tissue defects Resorbable structure for treating and healing of tissue defects

2006-05-23

2006-05-23

Zemel, Irina S. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S097000, C521S182000, C424S426000

Reexamination Certificate

active

07049348

ABSTRACT:
Devices and processes (e.g., improved Plasticized Melt Flow processes (PMF) or improved Phase Separation Polymer Concentration (PSPC), etc.) used to make resorbable and non-resorbable structures for treating and/or healing of tissue defects are disclosed. Among the advantages of using these improved processes are the preservation of molecular weight and the broadening of the processing conditions for temperature sensitive polymers and therapies This reduction in processing temperature, pressure and time can help to preserve the molecular weight and/or integrity of the final product or any additive incorporated therein. The present invention relates to an improved porous implant wherein the pores of the implant present a second modeling material on their surfaces. This second material provides a textured or roughened face to the internal surfaces of pores. Additionally, this second material can be incorporated in sufficient quantity to, among other things, create a microporous network connecting interior closed cell pores with the exterior of the device.

REFERENCES:
patent: 4199864 (1980-04-01), Ashman
patent: 4636526 (1987-01-01), Dorman et al.
patent: 5133755 (1992-07-01), Brekke
patent: 5766618 (1998-06-01), Laurencin et al.
patent: 6007580 (1999-12-01), Tormala et al.
patent: 6169122 (2001-01-01), Blizard et al.
patent: 6231942 (2001-05-01), Blizard et al.
patent: 6306424 (2001-10-01), Vyakarnam et al.
patent: 1 216 717 (2002-06-01), None
patent: WO 91 09079 (1991-06-01), None
patent: WO 02 00275 (2002-01-01), None
patent: WO 02 19947 (2002-03-01), None
Mooney et al., “Novel Approach to Fabricate Porous Sponges of Poly(D,L-Lactic-co-glycolic acid) Without the Use of Organic Solvents”, Biomaterials, 1996, vol. 17, pp. 1417-1422.
Mooney D J, Novel Approach to Fabricate Porous Sponges of Poly( . . . acid) Without the Use of Organic Solvents, Biomaterials, Elsevier Science Publishers, Jul. 1, 1996, p. 1417-1422.
Hutmacher DW, Scaffolds in Tissue Engineering Bone and Cartilage, Biomaterials, Elsevier Science Publishers, Dec. 15, 2000, p. 2529-2543.
David Pierick and Kai Jacobsen, “Injection Molding Innovation: The Microcellular Foam Process,” Plastics Engineering, May 2001, pp. 46-51.
Pfannschmidt, et al., “Production of Drug-Releasing Resorbable Polymer Stents with Foam Structure,” Medial Plastics Technology News, Fall 1999-Winter 1999-2000, p. 10-12.

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