# K053625: Nasalguard

- Pathway: 510(k) (Traditional)
- Applicant: Trutek Corp
- Decided: Feb 22, 2006 after 56 days
- Product code: NUP (Cream, Nasal, Topical, Mechanical Allergen Particle Barrier)
- Device class: 2
- Regulation: 21 CFR 880.5045
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K002338 (2001). 6 ancestors in all.
6 later devices descend from it; 2 cite it directly.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K042610: DR. Theiss Alergol Pollen Blocker Cream, Dr. Theiss Naturwaren GmbH (2005) Summary page 1.

## Most influential descendants
- K132520: Nasal Ease Allergy Blocker (2013), 3 descendants of its own
- K170848: Alzair Allergy Blocker (2017), 1 descendant of its own
- K120894: Haymax (2012), 1 descendant of its own
- K213114: BentrioTM Allergy Blocker (2022), 0 descendants of its own
- K201734: AllerBlock Junior (2021), 0 descendants of its own

## Indications for use
NasalGuard® is intended to promote alleviation of mild allergic symptoms (i.e. mild nasal irritation including itchy, runny or congested nasal passages) triggered by the inhalation of various allergens including environmental pollens, house dust, animal hairs and dust mites.

Source page: https://510kreport.com/device/K053625
Methodology: https://510kreport.com/methodology