IP Library › Granted Patent US 12,558,536
Granted Patent B2
US 12,558,536 · App. 18/438,989 · Granted Feb 24, 2026

Systems and methods for therapeutic nasal treatment

Inventor: David Townley (County Clare, IE)
Assignee: Neurent Medical Limited
A61N1/0546A61N1/3606
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Quick Facts
Patent No.
US 12,558,536
App. No.
18/438,989
Granted
Feb 24, 2026
Kind
B2
Abstract

The invention provides a device for treating at least one of rhinitis, congestion, and/or rhinorrhea to thereby reduce or eliminate symptoms associated therewith, including, but not limited to, coughing, sneezing, nasal or throat irritation and itching, and difficulty sleeping. The device includes a shaft, a retractable and expandable end effector, and handle, that, as a whole, provide a high level of precise control and feedback to an operator during a procedure. The shaft includes an electrode array provided along a length thereof configured to deliver energy to specific target sites within the nasal passage and nasal cavity in conjunction with neuromodulation provided by the end effector.

Claims (14)

1 . A device for treating a condition within a sino-nasal cavity of a patient, the device comprising:

a shaft comprising:

an outer sheath comprising an encapsulated braid along a length thereof and further comprising an inner lining including a low friction polytetrafluoroethylene (PTFE) material; and

a hypotube surrounded by the outer sheath,

wherein the hypotube comprises an array of a first set of electrodes provided along a portion thereof, and wherein the outer sheath comprises a plurality exposed portions associated with each of the first set of electrodes thereby revealing the first set of electrodes; and

a retractable and expandable end effector operably associated with the shaft and comprising an array of a second set of electrodes provided thereon, wherein the second set of electrodes of the retractable and expandable end effector are configured to operate independently of the first set of electrodes of the hypotube.

2 . The device of claim 1 , wherein the shaft comprises one or more of a plurality of support elements forming at least a portion of the end effector.

3 . The device of claim 1 , wherein each of the first set of electrodes is positioned on separate respective portion of the hypotube.

4 . The device of claim 1 , wherein each electrode of the array of the first set of electrodes is configured to deliver energy to a first target site associated with an inferior or middle turbinate within a nasal cavity of a patient to reduce engorgement of tissue associated with the inferior turbinate to thereby increase volumetric flow through a nasal passage of the patient.

5 . The device of claim 1 , wherein the end effector is a multi-segment end effector that comprises a first retractable and expandable segment that is spaced apart from a separate second retractable and expandable segment, wherein each of the first and second segments comprises respective arrays of second and third sets of electrodes provided thereon and configured to operate independently of at least the array of the first set of electrodes.

6 . The device of claim 5 , wherein:

the first segment comprises a first set of flexible support elements arranged in a deployed configuration to fit around at least a portion of a middle turbinate at an anterior position relative to posterior-inferior edge of the middle turbinate; and

the second segment comprises a second set of flexible support elements configured in a deployed configuration to contact a plurality of tissue locations in a cavity at a posterior position relative to the posterior-inferior edge of the middle turbinate.

7 . The device of claim 6 , wherein each electrode of the arrays of the second and third sets of electrodes is configured to deliver energy to a second target site associated with a sphenopalatine foramen within the nasal cavity of the patient to therapeutically modulate postganglionic parasympathetic nerves innervating nasal mucosa at microforamina of a palatine bone of the patient.

Assignments (2)
SECURITY INTEREST Recorded Oct 18, 2024
From: NEURENT MEDICAL LIMITED
To: CLARET EUROPEAN SPECIALTY LENDING COMPANY III, S.A R.L.
Reel/Frame 068942/0887 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 28, 2024
From: TOWNLEY, DAVID
To: NEURENT MEDICAL LIMITED
Reel/Frame 066590/0191 →
Continuity (3)
Continuation 17225532 · Apr 8, 2021
Provisional Application 63007575 · Apr 9, 2020
Related Publication 20240181247A1 · Jun 6, 2024
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