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John Y. Chang

Publications -  39
Citations -  5396

John Y. Chang is an academic researcher. The author has contributed to research in topics: Paranasal sinuses & Balloon catheter. The author has an hindex of 27, co-authored 39 publications receiving 5395 citations.

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Patent

Implantable devices and methods for delivering drugs and other substances to treat sinusitis and other disorders

TL;DR: In this paper, the authors describe a method for delivering drugs and other substances to locations within the body of a human or animal subject to treat or diagnose sinusitis and a variety of other disorders.
Patent

Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures

TL;DR: In this article, the paranasal sinuses or other structures in the ear, nose or throat are modelled as guide catheters, tubes, guidewires, elongate probes, other elongate members.
Patent

Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat

TL;DR: In this article, access and occluder devices are used to establish fluid tight seals in the anterior or posterior nasal cavities/nasopharynx and to facilitate insertion of working devices (e.g., scopes, guidewires, catheters, tissue cutting or remodeling devices, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, implanting devices such as stents, substance eluting devices, substance delivery implants, etc.).
Patent

Methods and apparatus for treating disorders of the ear, nose and throat

TL;DR: Methods and apparatus for treating disorders of the ear, nose, throat or paranasal sinuses, including methods and devices for dilating ostia, passageways and other anatomical structures, endoscopic methods and apparatus, navigation devices for use in conjunction with image guidance or navigation system and hand held devices having pistol type grips and other handpieces.
Patent

Devices, systems and methods for treating disorders of the ear, nose and throat

TL;DR: In this article, the paranasal sinuses, Eustachian tubes, Lachrymal ducts and other ear, nose, throat and mouth structures are diagnosed and/or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts.