Cover - shares	9 Months Ended
	Sep. 30, 2024	Nov. 08, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	001-39813
Entity Registrant Name	TRISALUS LIFE SCIENCES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3009869
Entity Address, Address Line One	6272 W 91st Ave
Entity Address, City or Town	Westminster
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80031
City Area Code	(888)
Local Phone Number	321-5212
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		30,493,137
Entity Central Index Key	0001826667
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common stock, $0.0001 par value
Entity Information [Line Items]
Title of 12(b) Security	Common stock, $0.0001 par value
Trading Symbol	TLSI
Security Exchange Name	NASDAQ
Warrants
Entity Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of registrant's common stock at an exercise price of $11.50 per share
Trading Symbol	TLSIW
Security Exchange Name	NASDAQ