Medical devices including nanocomposites

• US 20060165926A1
• Filed: 01/27/2005
• Published: 07/27/2006
• Est. Priority Date: 01/27/2005
• Status: Abandoned Application

• Current Assignee: Boston Scientific Scimed, Inc. (Boston Scientific Corporation)
• Original Assignee: Boston Scientific Scimed, Inc. (Boston Scientific Corporation)
• Inventors: Weber, Jan
• Application Number:
  US11/044,376
• Publication Number:
  US 20060165926A1
• Time in Patent Office: Days
• US Class Current: 428/35.200
• CPC Class Codes: A61L 2400/12 Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
• CPC Class Codes: A61L 29/126 having a macromolecular matrix
• CPC Class Codes: B32B 1/08 Tubular products
• CPC Class Codes: B32B 2250/44 Number of layers variable across the laminate
• CPC Class Codes: B32B 2264/105 Metal
• CPC Class Codes: B32B 2535/00 Medical equipment, e.g. bandage, prostheses or catheter
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: B32B 27/18 characterised by the use of special additives
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: C08L 9/02 Copolymers with acrylonitrile
• CPC Class Codes: Y10T 428/13 Hollow or container type article [e.g., tube, vase, etc.]
• CPC Class Codes: Y10T 428/1334 Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
• CPC Class Codes: Y10T 428/1352 Polymer or resin containing [i.e., natural or synthetic]
• CPC Class Codes: Y10T 428/139 Open-ended, self-supporting conduit, cylinder, or tube-type article

Abstract

A medical device includes a component having a composite. The composite includes a matrix material and particles having molybdenum and sulfur. The particles can further include iodine.

Claims

1. A medical device, comprising:

a component comprising a composite comprising a matrix material and particles comprising molybdenum and sulfur.

2. The medical device of claim 1, wherein the particles are nanotubes.

3. The medical device of claim 1, wherein the particles comprise MoS₂.

4. The medical device of claim 1, wherein the particles further comprise iodine.

5. The medical device of claim 4, wherein the particles are solid nanowires.

6. The medical device of claim 4, wherein the particles comprise a material selected from the group consisting of Mo₆S₃I₆, MoS₂I_1/3, and Mo₆S₄I₆.

7. The medical device of claim 4, wherein the particles comprise solid nanowires comprising Mo₆S₃I₆.

8. The medical device of claim 1, wherein the composite further comprises a functionalizer, a compatibilizer, a dispersant, or a combination thereof.

9. The medical device of claim 1, wherein the device is a transluminal medical device.

10. The medical device of claim 1, wherein the component comprises multiple layers, and at least one of the layers comprises the composite.

11. The medical device of claim 10, wherein at least one of the layers is free of particles.

12. The medical device of claim 10, wherein the component comprises layers having different particles.

13. The medical device of claim 1, wherein the composite further comprises nanoparticles different than the particles.

14. The medical device of claim 1, wherein the matrix material comprises a thermoset material.

15. The medical device of claim 14, wherein the thermoset material comprises a nitrile butadiene elastomer, a silicone, an epoxy, a isocyanate, EPDM, epichlorohydrin, or a copolymer, a block copolymer or a polymer blend thereof.

16. The medical device of claim 1, wherein the matrix material comprises a thermoplastic material.

17. The medical device of claim 16, wherein the thermoplastic material comprises a polyolefin, a polyamide, a polyester, a polyether, a polyether amide block copolymer, a polyurethane, a polyurea, a polyvinyl, a polyacrylic, a fluoropolymer or a copolymer, a block copolymer or a blend thereof

18. The medical device of claim 1, wherein the component comprises a catheter shaft.

19. The medical device of claim 1, wherein the component comprises a balloon.

20. The medical device of claim 1, wherein the device is a guide catheter.