초록 ▼

This invention involves radioactive medical devices for inhibiting an undesirable hyperplastic response in biological tissue, and a method for making the radioactive medical devices. In a preferred embodiment, a medical device for inhibiting a hyperplastic response in biological tissue generally com

This invention involves radioactive medical devices for inhibiting an undesirable hyperplastic response in biological tissue, and a method for making the radioactive medical devices. In a preferred embodiment, a medical device for inhibiting a hyperplastic response in biological tissue generally comprises polymeric hydrocarbon molecules forming the medical device and a salt or an acid of a radioactive isotope occluded within the polymeric hydrocarbon molecules. Also in a preferred embodiment, a method of creating a medical device according to the present invention comprises: providing a first solvent in a container; introducing a salt or an acid of a radioactive isotope into the first solvent; introducing a second solvent into the first solution so as to form a second solution; and introducing the medical device into the second solution, wherein the ionic components of the radioactive isotope migrate into the molecular structure of the medical device.

대표청구항 ▼

1. A medical device for inhibiting a hyperplastic response in biological tissue, said medical device comprising: (a) polymeric hydrocarbon molecules forming said medical device, wherein said medical device comprises a mesh; and (b) a molecular form of a radioactive isotope entrapped within a mol

1. A medical device for inhibiting a hyperplastic response in biological tissue, said medical device comprising: (a) polymeric hydrocarbon molecules forming said medical device, wherein said medical device comprises a mesh; and (b) a molecular form of a radioactive isotope entrapped within a molecular structure of said medical device by the molecular structure of said polymeric hydrocarbon molecules, wherein said radioactive isotope inhibits a hyperplastic response in biological tissue. 2. The medical device of claim 1, wherein said polymeric hydrocarbon molecules comprise polypropylene. 3. A medical device for inhibiting a hyperplastic response in biological tissue, said medical device comprising: (a) polymeric hydrocarbon molecules forming said medical device, wherein said polymeric hydrocarbon molecules comprise a synthetic polymer; and (b) a molecular form of a radioactive isotope entrapped within a molecular structure of said medical device by the molecular structure of said polymeric hydrocarbon molecules, wherein said radioactive isotope inhibits a hyperplastic response in biological tissue. 4. A medical device for inhibiting a hyperplastic response in biological tissue comprising: (a) polymeric hydrocarbon molecules; and (b) a radioactive material interspersed within said hydrocarbon molecules such that a molecular structure of said hydrocarbon molecules encapsulates said radioactive material. 5. The medical device of claim 4, wherein said radioactive material comprises a salt of a radioactive isotope. 6. The medical device of claim 5, wherein said medical device comprises a mesh or sheet material. 7. The medical device of claim 6, wherein said polymeric hydrocarbon molecules comprise polypropylene. 8. The medical device of claim 4, wherein said radioactive material comprises an acid of a radioactive isotope. 9. The medical device of claim 8, wherein said medical device comprises a mesh. 10. The medical device of claim 9, wherein said polymeric hydrocarbon molecules comprise polypropylene. 11. A medical device comprising: (a) a material having a molecular structure capable of expansion through exposure to a solvent; and (b) a molecular form of a radioactive isotope trapped within said molecular structure of said material, wherein said molecular form inhibits a hyperplastic response in biological tissue.