Cyclo olefin polymer and copolymer medical devices
An illuminated medical system comprises a medical instrument and a light transmitting waveguide. The waveguide projects lights from a distal portion of the waveguide toward a target area. The waveguide is formed primarily of a cyclic olefin copolymer or a cyclic olefin polymer.
1. An illuminated medical system comprising:
a medical instrument; and
a light transmitting waveguide having an inner surface, an outer surface, a proximal region and a distal region, the waveguide coupled to the medical instrument, wherein the waveguide is configured to conduct light from the proximal region to the distal region thereof, and the waveguide projects the light from the distal region toward a target area, and
wherein the waveguide comprises a plurality of zones on the inner surface or on the outer surface, and a plurality of facets disposed in each of the plurality of zones, the plurality of facets in a first zone having a different shape than the plurality of facets in a second zone, the plurality of facets extracting the light from the waveguide and directing the extracted light to a surgical field, and wherein the plurality of facets are integrally formed with the waveguide, and
wherein the waveguide is rigid and consists essentially of a cyclic olefin copolymer or a cyclic olefin polymer.
2. The system of claim 1 , wherein the medical instrument comprises one of a surgical retractor, a laryngoscope, a speculum, or an anoscope.
3. The system of claim 1 , wherein the waveguide is adjustably positionable relative to the medical instrument thereby allowing adjustment of the projected light onto the target area.
4. The system of claim 1 , wherein the waveguide further comprises one or more output optical structures disposed adjacent the distal region thereof, the output optical structures configured to direct the light from the distal region of the waveguide to the target area.
5. The system of claim 4 , wherein the output optical structures comprise one or more facets.
6. The system of claim 1 , wherein the waveguide comprises a tubular body.
7. The system of claim 1 , wherein the waveguide comprises an elongate blade.
8. The system of claim 1 , wherein the waveguide comprises a half tubular body.
9. The system of claim 1 , further comprising:
an illumination source that provides the light;
an illumination conduit optically coupled with the illumination source and the waveguide, the illumination conduit configured to conduct light from the illumination source to the waveguide; and
an optical coupling coupled to the waveguide and the illumination conduit, the optical coupling configured to optically couple the illumination conduit with the waveguide so that the light may pass therebetween, and wherein the optical coupling also releasably holds the illumination conduit and the waveguide together.
10. The system of claim 1 , wherein the waveguide has a specific gravity less than polycarbonate or acrylic.
11. The system of claim 1 , wherein the waveguide has a water absorption rate less than polycarbonate or acrylic.
12. The system of claim 11 , wherein the water absorption rate of the waveguide is less than 0.01%.
13. The system of claim 1 , wherein the waveguide transmits light with greater efficiency than polycarbonate or with efficiency greater than or equal to acrylic.
14. The system of claim 13 , wherein the light transmittance of the waveguide is 90% or greater.
15. The system of claim 1 , wherein the waveguide has a refractive index greater than acrylic.
16. The system of claim 15 , wherein the refractive index of the waveguide is greater than 1.49.
17. The system of claim 1 , wherein the waveguide has a glass transition temperature higher than that of polycarbonate.
18. The system of claim 17 , wherein the glass transition temperature of the waveguide is greater than or equal to 105° C.
19. The system of claim 1 , wherein the waveguide is biocompatible.
20. An illuminated medical system comprising:
a medical instrument; and
a rigid light transmitting illuminator having an inner surface, an outer surface, a proximal region and a distal region, the illuminator coupled to the medical instrument,
wherein the illuminator is configured to conduct light from the proximal region to the distal region thereof, and the illuminator comprises a light input portion, a light conducting portion, and a light output portion,
wherein the light output portion comprises a plurality of zones on the inner surface or on the outer surface, and a plurality of facets disposed in each of the plurality of zones, the plurality of facets in a first zone having a different shape than the plurality of facets in a second zone, the plurality of facets extracting the light from the waveguide and directing the extracted light to a target area, and wherein the plurality of facets are integrally formed with the illuminator,
wherein the light output portion projects the light from the distal region of the illuminator towards the target area, and
wherein the light conducting portion consists essentially of a cyclic olefin copolymer or a cyclic olefin polymer.
21. The system of claim 20 , wherein the medical instrument comprises one of a surgical retractor, laryngoscope, a speculum, or an anoscope.
22. The system of claim 20 , the light output portion is adjustably positionable relative to the medical instrument thereby allowing adjustment of the projected light onto the target area.
23. The system of claim 20 , wherein the light output portion comprises one or more output optical structures disposed adjacent the distal region thereof, the output optical structures configured to direct the light from the light output portion to the target area.
24. The system of claim 23 , wherein the output optical structures comprise one or more facets.
25. The system of claim 20 , wherein the light conducting portion comprises a tubular body.
26. The system of claim 20 , wherein the light conducting portion comprises an elongate blade.
27. The system of claim 20 , wherein the light conducting portion comprises a half tubular body.
28. The system of claim 20 , further comprising:
an illumination source that provides the light; and
an illumination conduit optically coupled with the light input portion and the illumination source, the illumination conduit configured to conduct light from the illumination source to the light input portion.
29. A method for illuminating a medical work space, said method comprising:
providing a medical instrument coupled to a light transmitting waveguide, the waveguide having an inner surface and an outer surface;
advancing the medical instrument and the waveguide toward the work space;
illuminating the work space with light from at least one of the inner and outer surfaces of the waveguide, wherein the waveguide comprises a plurality of zones on the inner surface or on the outer surface, and a plurality of facets disposed in each of the plurality of zones, the plurality of facets in a first zone having a different shape than the plurality of facets in a second zone, the plurality of facets extracting the light from the waveguide and directing the extracted light to the medical work space, and wherein the plurality of facets are integrally formed with the waveguide, and wherein the light passes from a proximal portion of the waveguide to a distal portion of the waveguide, and wherein the waveguide is rigid and consists essentially of a cyclic olefin copolymer or a cyclic olefin polymer.
30. The method of claim 29 , wherein the medical instrument comprises one of a surgical retractor, a laryngoscope, a speculum, or an anoscope.
31. The method of claim 29 , wherein advancing the medical instrument and the waveguide further comprises positioning the medical instrument in a patient and retracting tissue.
32. The method of claim 29 , wherein advancing the medical instrument and the waveguide comprises positioning the medical instrument and the waveguide in a body orifice.
33. The method of claim 29 , wherein advancing the medical instrument and the waveguide comprises positioning the medical instrument and the waveguide into an incision.
34. The method of claim 29 , wherein the waveguide comprises a tubular body having a central channel, and advancing the medical instrument comprises positioning the medical instrument through the central channel.
35. The method of claim 29 , wherein illuminating comprises adjusting waveguide position relative to the medical instrument, thereby adjusting illumination of the work space.
36. The method of claim 29 , wherein illuminating comprises optically coupling the waveguide with an illumination source.
37. The system of claim 1 , wherein the waveguide has a cross-section, and the cross-section changes from the proximal region to the distal region.
38. The system of claim 20 , wherein the illuminator has a cross-section, and the cross-section changes from the proximal region to the distal region.
39. The method of claim 29 , wherein the waveguide has a cross-section, and the cross-section changes from the proximal portion to the distal portion.