An apparatus for coating medical devices at the point of care with a polymer and/or therapeutic agent comprising an environmentally controlled device coating chamber in which the device may be delivered by the manufacturer as the device packaging, or the device may be placed into the chamber at the
An apparatus for coating medical devices at the point of care with a polymer and/or therapeutic agent comprising an environmentally controlled device coating chamber in which the device may be delivered by the manufacturer as the device packaging, or the device may be placed into the chamber at the point of care. The environmentally controlled chamber can provide a sterile enclosure in which the polymer and/or a therapeutic agent can be applied to an uncoated or previously coated device and converted to another form (such as a liquid to a film or gel) if desired, under controlled and reproducible conditions. The environmentally controlled chamber can accommodate and provide for coating the device by immersion, spray and other methods of covering the device surface with a liquid or powder. The chamber can provide for energy sources, both internally, such as heat produced by film heaters, and externally, such as UV light or microwave passing through the enclosure. The chamber may allow for changes in atmosphere to affect the coating, such as the introduction of certain gases and introducing pressure or vacuum.
대표청구항▼
What is claimed is: 1. An apparatus for coating a medical implant device with at least one of a polymer and therapeutic agent at a location of patient care, said apparatus comprising: a chamber having a coating portion in which said device is positioned and in which said at least one of a polymer a
What is claimed is: 1. An apparatus for coating a medical implant device with at least one of a polymer and therapeutic agent at a location of patient care, said apparatus comprising: a chamber having a coating portion in which said device is positioned and in which said at least one of a polymer and therapeutic agent is applied to said device, said coating portion including an attachment means for positioning said device for coating, a docking station in which said chamber is positionable therein and removable therefrom, said docking station including means to control at least one of the rotation and rotational positioning of said chamber, said docking station further including means to control one or more coating process conditions within said coating portion, wherein said coating portion further includes a hotwire coating trimmer. 2. The apparatus of claim 1 wherein said chamber further includes a mixing portion into which components of said at least one of a polymer and therapeutic agent are introduced for mixing to form said at least one of a polymer and therapeutic agent, said mixing portion being in controlled communication with said coating portion. 3. The apparatus of claim 1 wherein said apparatus comprises a drive means to rotate said chamber at a predetermined speed and by a predetermined angular amount. 4. The apparatus of claim 2 including drive means to effect mixing in said mixing portion. 5. The apparatus of claim 4 wherein said drive means comprises a magnetic drive unit. 6. The apparatus of claim 4 wherein said drive means comprises a drive socket for engagement with a mixer drive shaft in said mixing portion. 7. The apparatus of claim 1 including at least one of means to read, store, review and integrate information regarding one or more of the medical implant device, the polymer and the therapeutic agent; said apparatus further including means to control at least one of the mechanics, quality and documentation of the coating process. 8. The apparatus of claim 1 wherein said chamber is removable from said apparatus. 9. The apparatus of claim 1 wherein said medical implant device to be coated includes at least one of a binding, linking, absorbing and adsorbing pre-coating thereon. 10. The apparatus of claim 9 wherein the pre-coating comprises a functional peptide linker or hydroxyapatite. 11. The apparatus of claim 1 wherein said chamber includes a plurality of introduction ports. 12. The apparatus of claim 2 including one or more introduction ports positioned to communicate with one or more introduction ports in said at least one of said coating portion and said mixing portion. 13. The apparatus of claim 1 wherein said chamber is generally cylindrical in shape, the cylindrical chamber being positionable generally horizontal in said apparatus and being rotatable about an axis extending in the horizontal direction to effect a bathing or splashing of the said at least one of a polymer and therapeutic agent on the medical implant device in the coating chamber. 14. The apparatus of claim 2 wherein said chamber comprises a generally horizontal axis of rotation when positioned in said apparatus and wherein said mixing portion and said coating portion are attached to and in communication with said chamber and are oriented perpendicular to said horizontal axis. 15. The apparatus of claim 14 wherein said mixing portion and said coating portion are diametrically opposed to one another. 16. The apparatus of claim 14 wherein said mixing portion is positioned at a lower orientation than said coating portion for mixing the components of said at least one of a polymer and therapeutic agent, and wherein said apparatus is operable to rotate said chamber by a predetermined amount whereby said coating portion is positioned at a lower orientation than said mixing portion thereby effecting a flow of said at least one of a polymer and therapeutic agent into said coating portion to immerse and coat a medical implant device supported in said coating portion. 17. The apparatus of claim 2 wherein one or both of said coating portion and said mixing portion includes a heating means. 18. The apparatus of claim 13 wherein said coating portion includes a plurality of coating vanes. 19. The apparatus of claim 2 wherein said mixing portion comprises a mixing basket having an inner end portion operable to open to deliver said at least one of a polymer and therapeutic agent into the coating portion. 20. The apparatus of claim 1 further comprising a source of light and/or microwave energy for penetrating said chamber to cure a coating on a medical implant device. 21. The apparatus of claim 11 wherein said apparatus controls the atmosphere of the coating chamber and comprises a source of at least one a predetermined type of gas, a gas under a desired pressure, or a vacuum which can be introduced into said chamber via the introduction ports. 22. An apparatus for coating a medical implant device with at least one of a polymer and therapeutic agent at a location of patient care, said apparatus comprising: a chamber having a coating portion in which said device is positioned and in which said at least one of a polymer and therapeutic agent is applied to said device, said coating portion including an attachment means for positioning said device for coating, a docking station in which said chamber is positionable therein and removable therefrom, said docking station including means to control at least one of the rotation and rotational positioning of said chamber, said docking station further including means to control one or more coating process conditions within said coating portion, wherein said chamber further includes a mixing portion into which components of said at least one of a polymer and therapeutic agent are introduced for mixing to form said at least one of a polymer and therapeutic agent, said mixing portion being in controlled communication with said coating portion, said mixing portion comprising a mixing basket having an inner end portion operable to open to deliver said at least one of a polymer and therapeutic agent into the coating portion. 23. The apparatus of claim 22 wherein said apparatus comprises a drive means to rotate said chamber at a predetermined speed and by a predetermined angular amount. 24. The apparatus of claim 22 including drive means to effect mixing in said mixing portion. 25. The apparatus of claim 24 wherein said drive means comprises a magnetic drive unit. 26. The apparatus of claim 24 wherein said drive means comprises a drive socket for engagement with a mixer drive shaft in said mixing portion. 27. The apparatus of claim 22 including at least one of means to read, store, review and integrate information regarding one or more of the medical implant device, the polymer and the therapeutic agent; said apparatus further including means to control at least one of the mechanics, quality and documentation of the coating process. 28. The apparatus of claim 22 wherein said chamber is removable from said apparatus. 29. The apparatus of claim 22 wherein said medical implant device to be coated includes at least one of a binding, linking, absorbing and adsorbing pre-coating thereon. 30. The apparatus of claim 29 wherein the pre-coating comprises a functional peptide linker or hydroxyapatite. 31. The apparatus of claim 22 wherein said chamber includes a plurality of introduction ports. 32. The apparatus of claim 22 including one or more introduction ports positioned to communicate with one or more introduction ports in said at least one of said coating portion and said mixing portion. 33. The apparatus of claim 22 wherein said chamber is generally cylindrical in shape, the cylindrical chamber being positionable generally horizontal in said apparatus and being rotatable about an axis extending in the horizontal direction to effect a bathing or splashing of the said at least one of a polymer and therapeutic agent on the medical implant device in the coating chamber. 34. The apparatus of claim 22 wherein said chamber comprises a generally horizontal axis of rotation when positioned in said apparatus and wherein said mixing portion and said coating portion are attached to and in communication with said chamber and are oriented perpendicular to said horizontal axis. 35. The apparatus of claim 34 wherein said mixing portion and said coating portion are diametrically opposed to one another. 36. The apparatus of claim 34 wherein said mixing portion is positioned at a lower orientation than said coating portion for mixing the components of said at least one of a polymer and therapeutic agent, and wherein said apparatus is operable to rotate said chamber by a predetermined amount whereby said coating portion is positioned at a lower orientation than said mixing portion thereby effecting a flow of said at least one of a polymer and therapeutic agent into said coating portion to immerse and coat a medical implant device supported in said coating portion. 37. The apparatus of claim 22 wherein one or both of said coating portion and said mixing portion includes a heating means. 38. The apparatus of claim 33 wherein said coating portion includes a plurality of coating vanes. 39. The apparatus of claim 22 further comprising a source of light and/or microwave energy for penetrating said chamber to cure a coating on a medical implant device. 40. The apparatus of claim 31 wherein said apparatus controls the atmosphere of the coating chamber and comprises a source of at least one a predetermined type of gas, a gas under a desired pressure, or a vacuum which can be introduced into said chamber via the introduction ports. 41. The apparatus of claim 22 wherein said coating portion further includes a hotwire coating trimmer.
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