Fisher & Paykel Healthcare patented a nasal seal for patient interfaces, featuring a soft, flexible seal body with delivery openings for breathing gases. The design includes a supple interior side to conform to the user’s nose and a support for mounting to the frame. GlobalData’s report on Fisher & Paykel Healthcare gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Fisher & Paykel Healthcare, Wearable CPAP therapy was a key innovation area identified from patents. Fisher & Paykel Healthcare's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for nasal seal for patient interface

Source: United States Patent and Trademark Office (USPTO). Credit: Fisher & Paykel Healthcare Corporation Ltd

A recently granted patent (Publication Number: US11925759B2) discloses a nasal seal designed to be detachably connected to a patient interface frame. The seal body, made of a soft flexible material, features a central portion and side portions that conform to the user's nose. A support, constructed from a rigid material, provides structural integrity and includes a mount for attachment to the frame. The exterior side of the seal body has an inlet opening for breathing gases, with a protrusion circumscribing the opening, offset inwardly for optimal functionality.

Furthermore, the support includes grip surface portions along the exterior side of the seal body, facilitating handling and adjustment. The design ensures a secure fit and alignment with the frame, with orientation features confirming correct positioning. The delivery openings in the seal body feature nostril locators with deflection regions for enhanced comfort and flexibility, allowing outward tilting with minimal resistance. The patent emphasizes the innovative construction and functionality of the nasal seal, offering a practical solution for respiratory therapy equipment.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.