Claims
- 1. A process for the preparation of a vascular prosthesis comprising:
- forming an outer material having a low porosity and an inner tubular porous mesh of synthetic material said porous mesh having a porosity to allow oxygen and hormones to pass therethrough; disposing microcapsules between said outer material and said inner tubular mesh, said microcapsules being made of a semi-permeable material and containing hormone-producing cells; and introducing into said prosthesis a spindle of plastic material sized to be introduced into said prosthesis.
- 2. Process according to claim 1, wherein said spindle is made of a material selected from the group consisting of silastic and PVC and has an external diameter compatible with the internal diameter of said mesh.
- 3. Process according to claim 1, wherein said mesh is made up of fibers selected from the group consisting of polyester and polytetrafluoroethylene fibers.
- 4. Process according to claim 1, wherein said tubular mesh has an internal diameter of between 4 and 14 mm.
- 5. Process according to claim 1, wherein free spaces between filaments making up said mesh are of between 10 and 300 microns.
Priority Claims (1)
Number |
Date |
Country |
Kind |
21086 A/89 |
Jul 1989 |
ITX |
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Parent Case Info
This application is a divisional of copending application Ser. No. 07/548,372 filed on Jul. 5, 1990, now U.S. Pat. No. 5,104,403. The entire contents of which are hereby incorporated by reference.
US Referenced Citations (3)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0188309 |
Jul 1986 |
EPX |
0393788 |
Oct 1990 |
EPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
548372 |
Jul 1990 |
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