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1. (WO2018183079) SYSTEM AND METHOD FOR PROTECTING A PATIENT'S TRACHEAL WALL DURING PERCUTANEOUS PROCEDURES
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WHAT IS CLAIMED IS:

1. A medical instrument system comprising:

an endotracheal tube including a distal end sized to be positioned in a patient's trachea, a proximal end configured to extend outwardly from one of the patient's mouth and the patient's nose, and a lumen extending between the distal end and the proximal end, and

a tissue shield sized to be advanced into the lumen of the endotracheal tube, the tissue shield including a barrier plate sized and shaped to extend outwardly the distal end of the endotracheal tube and block a medical tool from contacting a posterior wall of the patient's trachea.

2. The medical instrument system of claim 1, further comprising:

an elongated tube sized to be positioned in the lumen of the endotracheal tube,

wherein the tissue shield includes a cylindrical body sized to be received a passageway defined in the elongated tube, and the barrier plate is secured to, and extends distally away from, the cylindrical body.

3. The medical instrument system of claim 2, wherein:

the elongated tube includes a plurality of corrugations, and the cylindrical body of the tissue shield includes a rib sized to be positioned in one of the corrugations to secure the shield to the elongated tube.

4. The medical instrument system of claim 1, further comprising:

a medical instrument including a cable sized to be advanced into the lumen of the endotracheal tube,

wherein the tissue shield is secured to a distal end of the cable of the medical instrument.

5. The medical instrument system of claim 4, wherein the medical instrument includes a laryngoscope.

6. The medical instrument system of claim 4, wherein the cable is a stylette.

7. The medical instrument system of claim 1, further comprising an elongated tube sized to be positioned in the lumen of the endotracheal tube, wherein the tissue shield is secured to a distal end of the elongated tube.

8. The medical instrument system of claim 7, wherein the elongated tube and the tissue shield are formed as a single monolithic component.

9. The medical instrument system of claim 7, wherein the tissue shield is configured to be detached from the elongated tube.

10. The medical instrument system of claim 1, wherein the barrier plate includes:

a curved wall that extends around a longitudinal axis from a first edge to a second edge, and

an opening is defined between the first edge and the second edge of the curved wall, the opening being sized cover a predetermined portion of a patient's soft tissue.

1 1. The medical instrument system of claim 10, wherein the curved wall is formed from a semi-flexible plastic.

12. The medical instrument system of claim 10, wherein the curved wall is formed from silicone.

13. The medical instrument system of claim 1, wherein the endotracheal tube includes an inflatable cuff positioned between the distal end and the proximal end.

14. A medical instrument system comprising:

an elongated tube sized to be positioned in an endotracheal tube, the elongated tube having a distal end, a proximal end, and an outer surface devoid of any openings between the distal end and the proximal end, and

a tissue shield secured to the distal end of the elongated tube, the shield including a barrier plate sized and shaped to block a cutting tool from puncturing a posterior wall of a patient's trachea.

15. The medical instrument system of claim 14, wherein the elongated tube and the tissue shield are formed as a single monolithic component.

16. The medical instrument system of claim 14, wherein the tissue shield is configured to be detached from the elongated tube.

17. The medical instrument system of claim 16, wherein the tissue shield includes a cylindrical body sized to be received a passageway defined in the elongated tube, and the barrier plate is secured to, and extends distally away from, the cylindrical body.

18. The medical instrument system of claim 17, wherein:

the elongated tube includes a plurality of corrugations, and the cylindrical body of the tissue shield includes a rib sized to be positioned in one of the corrugations to secure the shield to the elongated tube.

19. A medical instrument system comprising:

a surgical instrument including a cable sized to be advanced into an endotracheal tube, and

a tissue shield secured to a distal end of the cable, the tissue shield including a barrier plate sized and shaped to prevent a cutting tool from puncturing a posterior wall of a patient's trachea.

20. The medical instrument system of claim 19, wherein the surgical instrument includes a laryngoscope.

21. The medical instrument system of claim 19, wherein the cable is a stylette.

22. A method of forming an incision in a patient's neck in advance of implanting a tracheal device, the method comprising:

sliding an endotracheal tube to move the distal end of the endotracheal tube proximally within the patient's trachea,

moving a tissue shield outward from the distal end of the endotracheal tube to position a barrier plate of the shield in the patient's trachea between an anterior wall of the patient's trachea and a posterior wall of the patient's trachea,

inserting a surgical tool through the anterior wall of the patient's trachea to form an incision, and

advancing the surgical tool into engagement with the barrier plate of the shield.

23. The method of claim 22, further comprising:

withdrawing an elongated tube from the endotracheal tube, and attaching the tissue shield to a distal end of the elongated tube, wherein moving the shield outward from the distal end of the endotracheal tube includes inserting the elongated tube with the tissue shield attached to its distal end into the endotracheal tube.

24. The method of claim 22, further comprising:

inserting the tissue shield attached to a distal end of a laryngoscope into the endotracheal tube, and

advancing the tissue shield and the distal end of the laryngoscope toward the distal end of the endotracheal tube.

25. The method of claim 22, further comprising:

inserting the tissue shield attached to a distal end of a stylette into the endotracheal tube, and

advancing the tissue shield and the distal end of the stylette toward the distal end of the endotracheal tube.