Bioresorbable foaming tissue dressing
First Claim
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1. A dressing for applying reduced-pressure treatment to a tissue site, comprising:
- a gas-forming porogen comprising a particle size for developing sufficient porosity for conducting reduced pressure;
a bioresorbable microsphere; and
a bioresorbable gel or a bioresorbable gel-forming solution in a mixture with the gas-forming porogen and the bioresorbable microsphere;
wherein the mixture is flowable, and after delivery to the tissue site, forms a scaffold comprising pores of at least 50 micrometers in diameter for delivering reduced pressure through the scaffold; and
wherein the dressing is bioresorbable.
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Abstract
Provided is a flowable bioresorbable tissue dressing comprising a gas-forming porogen and a gel or gel-forming solution. Also provided is kits for preparing the above-described tissue dressing. Further provided are methods of treating a tissue site of a mammal with the above dressing. Also provided is a reduced pressure delivery system for applying a reduced pressure tissue treatment to a tissue site.
221 Citations
43 Claims
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1. A dressing for applying reduced-pressure treatment to a tissue site, comprising:
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a gas-forming porogen comprising a particle size for developing sufficient porosity for conducting reduced pressure; a bioresorbable microsphere; and a bioresorbable gel or a bioresorbable gel-forming solution in a mixture with the gas-forming porogen and the bioresorbable microsphere; wherein the mixture is flowable, and after delivery to the tissue site, forms a scaffold comprising pores of at least 50 micrometers in diameter for delivering reduced pressure through the scaffold; and wherein the dressing is bioresorbable. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A tissue dressing for applying reduced-pressure treatment to a tissue site, comprising:
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a gas-forming porogen comprising a particle size for developing sufficient porosity for conducting reduced pressure; a bioresorbable microsphere; and a gel or gel-forming solution in a mixture with the gas-forming porogen and the bioresorbable microsphere; wherein the mixture is flowable, and after delivery to the tissue site, forms a scaffold comprising pores of at least 50 micrometers in diameter for delivering reduced pressure through the scaffold. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification