EXHIBIT 31.4

CERTIFICATIONS

I, Nabeel Subainati, certify that:

1. I have reviewed this Annual Report on Form 10-K/A of Avinger, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Dated: March 17, 2023	/s/ Nabeel Subainati
	Nabeel Subainati
	Vice President, Finance
	(Principal Financial Officer)