Stimulation of cartilage formation using reduced pressure treatment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-063/00
A61K-048/00
A61F-002/00
출원번호
US-0491445
(2009-06-25)
등록번호
US-8197806
(2012-06-12)
발명자
/ 주소
Girouard, Michael Richard
Stevenson, Eric
Swain, Larry D.
Thompson, Sean
출원인 / 주소
KCI Licensing, Inc
대리인 / 주소
SNR Denton US, LLP
인용정보
피인용 횟수 :
1인용 특허 :
115
초록▼
Provided is a method of stimulating cartilage formation at a tissue site in a mammal. Also provided is a biocompatible scaffold. Additionally, a system for stimulating cartilage formation at a tissue site is provided. Further provided is the use of a manifold, a chondrocyte, and a reduced-pressure s
Provided is a method of stimulating cartilage formation at a tissue site in a mammal. Also provided is a biocompatible scaffold. Additionally, a system for stimulating cartilage formation at a tissue site is provided. Further provided is the use of a manifold, a chondrocyte, and a reduced-pressure source to stimulate cartilage formation at a tissue site of a mammal.
대표청구항▼
1. A method of stimulating cartilage formation at a tissue site in a mammal, the method comprising: applying a chondrocyte to the tissue site; positioning a manifold in fluid communication with the tissue site; and applying reduced air pressure to the tissue site by applying reduced air pressure to
1. A method of stimulating cartilage formation at a tissue site in a mammal, the method comprising: applying a chondrocyte to the tissue site; positioning a manifold in fluid communication with the tissue site; and applying reduced air pressure to the tissue site by applying reduced air pressure to the manifold, wherein said applying reduced air pressure to the tissue site causes new cartilage formation at the tissue site. 2. The method of claim 1, wherein the chondrocyte is in a biocompatible scaffold that is applied to the tissue site. 3. The method of claim 1, wherein the tissue site has a cartilage defect. 4. The method of claim 3, wherein the defect is caused by a congenital condition, arthritis, cancer or an injury. 5. The method of claim 1, wherein the manifold is a biocompatible scaffold that is applied to the tissue site. 6. The method of claim 2, wherein the biocompatible scaffold is bioabsorbable. 7. The method of claim 2, wherein the biocompatible scaffold comprises a polyhydroxy acid, a poly(caprolactone), a polycarbonate, a polyamide, a polyanhydride, a polyamino acid, a polyortho ester, a polyacetal, a degradable polycyanoacrylate or a degradable polyurethane. 8. The method of claim 7, wherein the biocompatible scaffold comprises a polylactide-coglycolide (PLAGA) polymer or a polyethylene glycol-PLAGA copolymer. 9. The method of claim 1, further comprising applying a cytokine to the tissue site. 10. The method of claim 9, wherein the cytokine is in a biocompatible scaffold. 11. The method of claim 9, wherein the cytokine is bone morphogenic protein (BMP)-2, BMP-6, BMP-7, transforming growth factor-β (TGF-β), insulin-like growth factor (IGF), platelet-derived growth factor (PDGF), or cartilage-derived retinoic acid sensitive protein (CD-RAP). 12. The method of claim 2, wherein the chondrocyte is seeded onto the biocompatible scaffold and the biocompatible scaffold seeded with the chondrocyte is incubated before applying to said tissue site. 13. The method of claim 1, wherein an antibiotic is applied to the tissue site. 14. The method of claim 13, wherein the antibiotic is applied to a biocompatible scaffold applied to the tissue site. 15. The method of claim 1, wherein the mammal is a human. 16. The method of claim 1, wherein the new cartilage formation is removed from the tissue site and transplanted into a recipient tissue site.
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