Claims
- 1. A postoperative adhesion barrier comprising a conformable fabric constructed of a bioresorbable material, said fabric being characterized by having a density of 8.0 to 15 mg/cm.sup.2 and a porosity of 12 to 20 percent open area.
- 2. The adhesion barrier of claim 1 wherein said material is selected from the group consisting of oxidized regenerated cellulose and proteinaceous fibers.
- 3. The adhesion barrier of claim 1 wherein the numerical ratio of said porosity, in percent open area, to said density, in mg/cm.sup.2, is 1.0 or greater.
- 4. The adhesion barrier of claim 1 wherein said fabric has a knit or nonwoven construction.
- 5. The adhesion barrier of claim 1 wherein said fabric has a warp knit construction.
- 6. An absorbable, postoperative adhesion barrier comprising a warp knit fabric of oxidized regenerated cellulose, said fabric being characterized by having a density of 8.0 to 15 mg/cm.sup.2 and a porosity of 12 to 20% open area.
- 7. The adhesion barrier of claim 6 wherein said fabric is derived from continuous filament bright rayon yarn having a total denier of from about 40 to 80 and containing from 10 to 25 individual filaments.
- 8. The adhesion barrier of claim 6 wherein said fabric is derived from a 60 denier, 18 filament bright rayon yarn.
- 9. The adhesion barrier of claim 6 wherein said fabric is a tricot knit fabric.
- 10. The adhesion barrier of claim 6 wherein the numerical ratio of said porosity, in percent open area, to said density, in mg/cm.sup.2, is 1.0 or greater.
- 11. An absorbable, postoperative adhesion barrier comprising a warp knit tricot fabric of oxidized regenerated cellulose, said fabric being characterized by a density of 9 to 13 mg/cm.sup.2 and an open area porosity of 15 to 19 percent.
- 12. The adhesion barrier of claim 11 wherein said fabric is derived from continuous filament bright rayon yarn having a total denier of from about 40 to 80 and containing from 10 to 25 individual filaments.
- 13. The adhesion barrier of claim 11 wherein said fabric is derived from a 60 denier, 18 filament bright rayon yarn.
- 14. The adhesion barrier of claim 11 wherein the numerical ratio of porosity to density is 1.0 or greater.
Parent Case Info
This is a division of application Ser. No. 768,280, filed Aug. 22, 1985, allowed Oct. 12, 1990.
US Referenced Citations (8)
Divisions (1)
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Number |
Date |
Country |
Parent |
768280 |
Aug 1985 |
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