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1. (WO2019030587) SELF-ILLUMINATING MICROSURGICAL CANNULA DEVICE
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CLAIMS

What is claimed is:

1. A cannula device for a surgical procedure comprising:

a tube configured for entry of a surgical instrument, and

a hub at a proximal end of the tube,

wherein the cannula device comprises a self-illuminating material.

2. The cannula device of claim 1, wherein the hub comprises a self-illuminating material.

3. The cannula device of claim 1, further comprising a sealing element

configured to seal a passage through the tube when the sealing element is in a relaxed condition, wherein the sealing element comprises a self-illuminating material.

4. The cannula device of claim 1, wherein the cannula device comprises

phosphors that make the cannula device self-illuminating.

5. The cannula device of claim 4, wherein the phosphors, when in an activated condition, emit a color-coded light corresponding to a size of the cannula device.

6. The cannula device of claim 4, wherein the phosphors are incorporated in the hub.

7. The cannula device of claim 4, further comprising a sealing element

configured to seal a passage through the tube when the sealing element is in a relaxed condition, wherein the phosphors are incorporated in the sealing element.

8. A set of cannula devices for a surgical procedure comprising:

a first cannula device comprising a first tube configured for entry of a surgical instrument, and a first hub at a proximal end of the first tube;

a second cannula device comprising a second tube configured for entry of a surgical instrument, and a second hub at a proximal end of the second tube, wherein the first tube has a different size from the second tube;

wherein the first cannula device is self-illuminating, configured to emit a light of a first color corresponding to a size of the first cannula device; and wherein the second cannula device is self-illuminating, configured to emit a light of a second color corresponding to a size of the second cannula device, wherein the second color is different from the first color.

9. The set of cannula devices of claim 8, wherein the first cannula device

comprises phosphors that make the cannula device self-illuminating.

10. The set of cannula devices of claim 9, wherein the phosphors are incorporated in the first hub.

11. The set of cannula devices of claim 9, wherein the first cannula device further comprises a sealing element configured to seal a passage through the first tube when the sealing element is in a relaxed condition, wherein the phosphors are incorporated in the sealing element.

12. A method of facilitating a surgical procedure comprising:

using a cannula device comprising a tube configured for entry of a surgical instrument and a hub at a proximal end of the tube, wherein the cannula device comprises a self-illuminating material; and

inserting the cannula device at a desired location for surgical entry of a surgical instrument;

wherein the cannula device emits light that facilitates visualization of the cannula device.

13. The method of claim 12, wherein the cannula device further comprises a

sealing element configured to seal a passage through the tube when the sealing element is in a relaxed condition, wherein the sealing element comprises a self-illuminating material.

14. The method of claim 12,

wherein the cannula device comprises phosphors that make the cannula device self-illuminating;

further comprising illuminating the cannula device to activate the phosphors into an activated condition, wherein the phosphors, when in an activated condition, emit a color-coded light corresponding to a size of the cannula device.

15. The method of claim 12, wherein the cannula device is a first cannula device, the tube is a first tube, and the hub is a first hub, and wherein the method further comprises:

using a second cannula device comprising a second tube configured for entry of a second surgical instrument and a second hub at a proximal end of the second tube, wherein the second cannula device is self-illuminating;

inserting the second cannula device at a desired location for surgical entry of the second surgical instrument;

wherein after inserting the second cannula device, the second cannula device emits light that facilitates visualization of the second cannula device;

wherein the first tube has a different size from the second tube;

wherein the first cannula device is configured to emit a light of a first color corresponding to a size of the first cannula device; and

wherein the second cannula device is configured to emit a light of a second color corresponding to a size of the second cannula device, wherein the second color is different from the first color.