| Cover | Jan. 31, 2025 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 31, 2025 |
| Registrant Name | TRISALUS LIFE SCIENCES, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39813 |
| Entity Tax Identification Number | 85-3009869 |
| Entity Address, Postal Zip Code | 80031 |
| Entity Address, State or Province | CO |
| Entity Address, City or Town | Westminster |
| Entity Address, Address Line One | 6272 W 91st Ave |
| City Area Code | (888) |
| Local Phone Number | 321-5212 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Central Index Key | 0001826667 |
| Amendment Flag | false |
| Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common stock, $0.0001 par value |
| Trading Symbol | TLSI |
| Security Exchange Name | NASDAQ |
| Warrant | |
| Document 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 |
