Breast augmentation and reconstruction system

• US 20070104695A1
• Filed: 07/20/2006
• Published: 05/10/2007
• Est. Priority Date: 11/07/2005
• Status: Abandoned Application

• Current Assignee: Junomedica, Inc.
• Original Assignee: Junomedica, Inc.
• Inventors: Williams, Kenneth, Kiselyov, Alexander, Tu, Hosheng, Carter, Robert, Quijano, Rodolfo
• Application Number:
  US11/490,431
• Publication Number:
  US 20070104695A1
• Time in Patent Office: Days
• US Class Current: 424/93.700
• CPC Class Codes: A61F 2/12 Mammary prostheses and implants
• CPC Class Codes: A61K 35/12 Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells vaccines or medicinal preparations containing antigens or antibodies A61K39/00
• CPC Class Codes: A61L 27/3804 characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells
• CPC Class Codes: A61L 27/3839 characterised by the site of application in the body materials for artificial blood vessels A61L27/507; materials for use in artificial skin A61L27/60
• CPC Class Codes: A61L 27/3895 using specific culture conditions, e.g. stimulating differentiation of stem cells, pulsatile flow conditions
• CPC Class Codes: C12N 2539/10 Coating allowing for selective detachment of cells, e.g. thermoreactive coating
• CPC Class Codes: C12N 5/0667 Adipose-derived stem cells [ADSC]; Adipose stromal stem cells

Abstract

A breast template for delivering stem cell formulation to a breast defect of a patient for treating or augmenting a breast tissue defect comprising a flexible band with at least one throughput hole for guiding an injecting needle to penetrate into the breast of the patient, wherein the flexible band is configured to be placed intimately against a surface of the breast.

Claims

1. A breast template for delivering stem cell formulation to a breast defect of a patient, comprising a flexible band with at least one throughput hole for guiding an injecting needle to penetrate into a breast of the patient, wherein the flexible band is configured to be placed intimately against a surface of the breast.

2. The breast template of claim 1, wherein stem cells of the stem cell formulation are derived from adipose tissue.

3. The breast template of claim 2, wherein the stem cells comprise breast tissue progenitor cells.

4. The breast template of claim 2, wherein the stem cells comprise subcutaneous fat stem cells with enough angiogenesis factors.

5. The breast template of claim 2, wherein the stem cells are genetically altered stem cells adapted for gene therapy.

6. The breast template of claim 1, wherein the stem cell formulation comprises lipocytes or adipocytes that are stromal only with no ductal or lobular developmental potential.

7. The breast template of claim 1, wherein the stem cell formulation further comprises a breast matrix.

8. The breast template of claim 7, wherein the breast matrix is biodegradable or bioresorbable.

9. The breast template of claim 7, wherein the breast defect is traumatically created by inserting said breast matrix into the breast of the patient.

10. The breast template of claim 8, wherein the breast matrix encapsulates at least one angiogenic growth factor.

11. The breast template of claim 1, wherein the stem cell formulation comprises a medium.

12. The breast template of claim 11, wherein the medium comprises at least one angiogenic growth factor.

13. The breast template of claim 11, wherein the medium comprises at least one growth factor selected from a group consisting of transforming growth factor-β

, insulin-like growth factor, platelet derived growth factor, epidermal growth factor, acidic fibroblast growth factor, basic fibroblast growth factor, and hepatocytic growth factor.

14. The breast template of claim 11, wherein the medium comprises at least one nutrient selected from a group consisting of vitamin A, retinoic acid, vitamin B series, and vitamin C.

15. The breast template of claim 1, wherein the injecting needle comprises a delivery port that is pressurized by an external pressure source for releasing said stem cell formulation to said breast defect.

16. The breast template of claim 1, wherein the injecting needle is between about 14 and 17 gauges.

17. The breast template of claim 1, wherein the injecting needle has a long, sharp, curved tip configured to lessen the pain of an injection and decrease the risk of depositing plugs of skin into underlying tissues.

18. The breast template of claim 1, wherein the stem cell formulation comprises endothelial precursor cells adapted for modulating neo-vascularization in a breast augmentation process.

19. The breast template of claim 1, wherein the breast template covers one-half or a quarter of a breast periphery.

20. The breast template of claim 1, wherein the breast temperate is a ring-like template.