A stent holder for mounting and electrically charging a stent during coating of the stent using dry particles, the particles comprising inert polymers, pharmaceutical or biological agents, is provided. An assembly for supporting and electrically charging a stent during the coating of the stent using
A stent holder for mounting and electrically charging a stent during coating of the stent using dry particles, the particles comprising inert polymers, pharmaceutical or biological agents, is provided. An assembly for supporting and electrically charging a stent during the coating of the stent using dry particles, the particles comprising inert polymers, pharmaceutical or biological agents, is provided. A chamber for creating an electrical field around a stent and for supporting, electrically charging, and exposing the stent to dry particles, the particles comprising inert polymers, pharmaceutical or biological agents, is provided. A method for creating an electrical field around a stent and for supporting, electrically charging, and exposing the stent to dry particles comprising inert polymers, pharmaceutical or biological agents is provided.
대표청구항▼
1. A stent holder for removeably holding a stent during a coating process wherein the stent holder comprises a stent mounting portion comprising at least two arms upon which the stent is mounted, the at least two arms defining a hollow space therebetween, andan electrically chargeable section separa
1. A stent holder for removeably holding a stent during a coating process wherein the stent holder comprises a stent mounting portion comprising at least two arms upon which the stent is mounted, the at least two arms defining a hollow space therebetween, andan electrically chargeable section separate from the stent mounting portion,wherein the arms form an elliptical portion configured to exert force on an inner surface of the stent,wherein the arms are coupled to the electrically chargeable section that electrically charges the stent during the coating process and at least a portion of the electrically chargeable section includes a dimension larger than an inner diameter of the stent so that the stent sits on the electrically chargeable section, andwherein when the elliptical portion exerts force on the inner surface of the stent, the arms diverge from a central axis of the stent holder, making at least one bend, and converge at the central axis of the stent holder, or the arms diverge from a central axis of the stent holder and arc to converge at the central axis of the stent holder, the arms touching one another both where the arms diverge and where the arms converge. 2. The stent holder of claim 1, wherein the electrically chargeable section comprises at least one of a memory metal, or stainless steel. 3. The stent holder of claim 1, wherein the holder is disposable. 4. The stent holder of claim 1, wherein the holder comprises a mask for masking at least a part of the stent. 5. The stent holder of claim 4, wherein the mask comprises at least one of a polymer, a non-stick material, or a non-conducting material. 6. The stent holder of claim 1, wherein the holder comprises a support interfacing portion for interfacing with a support, wherein the support supports and electrically charges the support interfacing portion. 7. The stent holder of claim 1, wherein the stent slides over the elliptical portion of the stent holder. 8. The stent holder of claim 1, wherein the stent mounting portion has a collapsed and an expanded state, wherein the collapsed state reduces contact between the stent mounting portion and the stent during stent removal or stent placement on the stent mounting portion. 9. The stent holder of claim 8, wherein the stent mounting portion in the expanded state has an outer diameter approximately equal to the stent inner diameter for securely mounting the stent while minimizing stent deformation. 10. The stent holder of claim 9, wherein the stent mounting portion comprises a mask for masking at least a part of the stent. 11. The stent holder of claim 10, wherein the mask comprises at least one of a polymer, or a non-stick material. 12. The stent holder of claim 9, wherein the stent mounting portion comprises a spring section. 13. The holder of claim 1, wherein the holder further comprises a member for manipulating the electrical field around the stent.
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