Method of fabricating an implantable medical device using gel extrusion and charge induced orientation
OwnerBin Huang, David Galeinventors
Life of this patent
Estimating the term…
Abstract
The invention provides a method of manufacturing an implantable medical device, the method comprising: (a) disposing a polymer fluid comprising a solvent and a matrix polymer into a forming apparatus for forming a polymeric part; (b) cooling the formed polymeric part upon removal from the apparatus, the cooled polymeric part comprises the polymer and a substantial portion of the solvent from the polymer fluid; and (c) fabricating an implantable medical device from the cooled polymeric part.
Claims39
A method of manufacturing an implantable medical device, the method comprising:
- a. disposing a polymer fluid comprising a solvent and a matrix polymer into a forming apparatus for forming a polymeric part;
- b. cooling the formed polymeric part upon removal from the apparatus, the cooled polymeric part comprises the polymer and a substantial portion of the solvent from the polymer fluid;
- and
- c. fabricating an implantable medical device from the cooled polymeric part.
A method of manufacturing an implantable medical device, the method comprising:
- a. disposing a polymer fluid comprising a solvent and a matrix polymer having a molecular weight of at least 100,000 into a forming apparatus for forming a polymeric part;
- b. forming a polymeric part;
- and
- c. fabricating an implantable medical device from the polymeric part.
A method of manufacturing an implantable medical device, the method comprising:
- a. disposing a polymer fluid comprising a solvent and a matrix polymer into a forming apparatus;
- b. inducing a charge in the polymer fluid, wherein the charge induces orientation of polymer chains in the polymer fluid;
- c. forming a polymeric sheet with the induced orientation from the charged polymer fluid;
- d. depositing the polymeric sheet onto a rotating cylindrical member to form a polymeric tube with the induced orientation over the rotating cylindrical member;
- and
- e. fabricating an implantable medical device from the polymeric tube.
A method of manufacturing an implantable medical device, the method comprising:
- a. inducing a charge in the polymer fluid comprising a solvent and a matrix polymer with a molecular weight of at least about 100,000;
- b. spraying the charged polymer fluid to form a fluid jet;
- c. depositing fibers formed from the fluid jet over a rotating cylindrical member to form a cylindrical fiber layer;
- and
- d. forming an implantable medical device comprising the cylindrical fiber layer.
Dependencies are inferred from the claim text.