Method for treating patulous eustachian tube

Patent metadata

Field	Value
Publication number	US-11833013-B2
Application number	US-202016920818-A
Country	US
Kind code	B2
Filing date	Jul 6, 2020
Priority date	Aug 14, 2019
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

A method of treating a patulous Eustachian tube includes forming a first pocket in a wall of a nasopharynx region proximate to a pharyngeal ostium, inserting a resiliently biased implant within the first pocket, and allowing the resiliently biased implant to expand within the first pocket to thereby urge the Eustachian tube towards a closed state. The wire implant may include a resilient stent or other resilient wire structure. In some versions, a deployment device having a balloon is used to deploy a malleable implant. This deployment device has a malleable implant disposed around the balloon, which is disposed around a guide catheter. The balloon is inflated and expands the malleable implant. The malleable implant retains the expanded shape and urges the Eustachian tube toward a closed state.

First claim

We claim:

1. A method of treating a patulous Eustachian tube, the method comprising:
(a) forming a first pocket in a wall of a nasopharynx region proximate to a pharyngeal ostium;
(b) inserting a resiliently biased implant within the first pocket; and
(c) allowing the implant to expand within the first pocket to thereby urge the Eustachian tube toward a closed state.

2. The method of claim 1 , wherein the implant comprises a wire structure.

3. The method of claim 1 , wherein the implant comprises a stent.

4. The method of claim 1 , further comprising:
(a) inserting an endoscope through a nostril; and
(b) providing visual guidance of the nasopharynx region with the endoscope.

5. The method of claim 1 , further comprising:
(a) inserting an endoscope through a patient's mouth; and
(b) providing visual guidance of the nasopharynx region with the endoscope.

6. The method of claim 1 , further comprising inserting a cutting device through a nostril and through a nasal cavity to position the cutting device proximate to the pharyngeal ostium, wherein the act of forming the first pocket is performed using the cutting device.

7. The method of claim 1 , further comprising inserting a cutting device through a patient's mouth through the throat to position the cutting device proximate to the pharyngeal ostium, wherein the act of forming the first pocket is performed using the cutting device.

8. The method of claim 1 , wherein the act of forming the first pocket comprises making an incision into the tissue located in the wall of the nasopharynx region proximate to the pharyngeal ostium.

9. The method of claim 1 , further comprising enlarging the formed pocket.

10. The method of claim 1 , the act of enlarging the formed pocket further comprising inserting a shaft into the pocket.

11. The method of claim 1 , wherein a deployment device is used to insert the implant within the first pocket, wherein the deployment device comprises a sheath.

12. The method of claim 11 , further comprising retaining the implant within the sheath of the deployment device.

13. The method of claim 12 , further comprising retracting the sheath to deploy the implant within the pocket.

14. The method of claim 1 , further comprising supporting the implant with a guide catheter.

15. The method of claim 14 , further comprising positioning the implant within the pocket with the guide catheter.

16. The method of claim 1 , further comprising closing the pocket by either suturing or sealing the incision.

17. The method of claim 1 , further comprising:
(a) forming a second pocket in the wall of the nasopharynx region proximate to the pharyngeal ostium;
(b) inserting a resiliently biased second implant within the second pocket; and
(c) allowing the second implant to expand within the second pocket.

18. The method of claim 1 , further comprising:
(a) inserting into the first pocket a deployment device with a balloon disposed around the guide catheter, wherein the implant is disposed around the balloon;
(b) inflating the balloon to thereby expand the implant;
(c) deflating the balloon; and
(d) removing the balloon from the pocket.

19. A method of treating a patulous Eustachian tube, the method comprising:
(a) forming a first pocket in a wall of a nasopharynx region proximate to a pharyngeal ostium;
(b) inserting a wire structure within the pocket; and
(c) expanding the wire structure within the pocket; wherein the expanded wire structure urges the Eustachian tube toward a closed state.

20. A method of treating a patulous Eustachian tube, the method comprising:
(a) forming a first pocket in a wall of a nasopharynx region proximate to a pharyngeal ostium;
(b) inserting a stent within the pocket; and
(c) expanding the stent within the pocket; wherein the expanded stent urges the Eustachian tube toward a closed state.

Assignees

• Acclarent Inc

Inventors

• Shameli Ehsan
• Ebrahimi Babak
• Fang Itzhak
• Akbarian Fatemeh

Classifications

• A61F11/202 Primary

  Surgical middle-ear ventilation or drainage, e.g. permanent; Implants therefor · CPC title

• A61B1/233

  for the nose, i.e. nasoscopes {, e.g. testing of patency of Eustachian tubes} · CPC title

• A61B17/24

  for use in the oral cavity, larynx, bronchial passages or nose (for medical inspection of cavities or tubes in the body A61B1/00); Tongue scrapers · CPC title

• A61F2210/0004

  bioabsorbable · CPC title

• A61F2210/0014

  using shape memory or superelastic materials, e.g. nitinol · CPC title