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Segments (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Segments [Line Items] |  |
Schedule of Other Financial Information Regarding The Company’s Operating Segment | See the consolidated condensed financial statements for other financial information regarding the Company’s operating segment.
|  | Three Months Ended June 30, |
|  | 2025 |  |  | 2024 |
Government grant revenue |  | $ | — |  |  | $ | 25 |
Operating expenses: |  |  |  |  |  |  |  |
Research personnel compensation costs, including stock-based compensation |  |  | 320 |  |  |  | 385 |
CRO and regulatory costs |  |  | — |  |  |  | — |
Administrative personnel compensation costs, including stock-based compensation |  |  | 401 |  |  |  | 350 |
Rent and office costs |  |  | 118 |  |  |  | 80 |
Legal and accounting costs |  |  | 110 |  |  |  | 179 |
Other expenses(1) |  |  | 54 |  |  |  | 7 |
Total segment expenses |  |  | 1,003 |  |  |  | 1,001 |
Loss from operations |  |  | (1,003 | ) |  |  | (976 | )
Other income (expense) |  |  |  |  |  |  |  |
Loss on change in the fair value of related party Tasly convertible debt |  |  | (57 | ) |  |  | (15 | )
Interest expense |  |  | (1,289 | ) |  |  | (1,081 | )
Other income |  |  | 1 |  |  |  | 1 |
Total other expense, net |  |  | (1,345 | ) |  |  | (1,095 | )
Net loss and comprehensive loss |  | $ | (2,348 | ) |  | $ | (2,071 | )
| (1) | Other expenses includes small balances of research materials and supplies along with insurance costs.
|  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |
Government grant revenuet |  | $ | — |  |  | $ | 25 |
Operating expenses: |  |  |  |  |  |  |  |
Research personnel compensation costs, including stock-based compensation |  |  | 658 |  |  |  | 818 |
CRO and regulatory costs |  |  | — |  |  |  | 15 |
Administrative personnel compensation costs, including stock-based compensation |  |  | 736 |  |  |  | 712 |
Rent and office costs |  |  | 318 |  |  |  | 162 |
Legal and accounting costs |  |  | 649 |  |  |  | 592 |
Other expenses(1) |  |  | 66 |  |  |  | 41 |
Total segment expenses |  |  | 2,427 |  |  |  | 2,340 |
Loss from operations |  |  | (2,427 | ) |  |  | (2,315 | )
Other income (expense) |  |  |  |  |  |  |  |
Loss on change in the fair value of related party Tasly convertible debt |  |  | (118 | ) |  |  | (11 | )
Interest expense |  |  | (2,519 | ) |  |  | (2,161 | )
Other income |  |  | — |  |  |  | 6 |
Total other expense, net |  |  | (2,637 | ) |  |  | (2,166 | )
Net loss and comprehensive loss |  | $ | (5,064 | ) |  | $ | (4,481 | )
| (1) | Other expenses includes small balances of research materials and supplies along with insurance costs.
| Other segment items within net loss include interest income, interest expense and loss on change in fair value of related party loan. See the consolidated financial statements for other financial information regarding the Company’s operating segment.
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Government grant revenue |  | $ | 100 |  |  | $ | 45 |
Operating expenses: |  |  |  |  |  |  |  |
Research personnel compensation costs, including stock-based compensation |  |  | 1,350 |  |  |  | 1,641 |
CRO and regulatory costs |  |  | 36 |  |  |  | 186 |
Administrative personnel compensation costs, including stock-based compensation |  |  | 1,592 |  |  |  | 1,434 |
Rent and office costs |  |  | 279 |  |  |  | 365 |
Legal and accounting costs |  |  | 1,223 |  |  |  | 2,287 |
Other expenses(1) |  |  | 120 |  |  |  | 202 |
Total segment expenses |  |  | 4,600 |  |  |  | 6,115 |
Loss from operations |  |  | (4,500 | ) |  |  | (6,070 | )
Other income (expenses) |  |  |  |  |  |  |  |
Loss on change in the fair value of related party Tasly convertible debt |  |  | (311 | ) |  |  | (22 | )
Interest expense (including related parties amounts of $2,400 and $2,530 for the year ended December 31, 2024 and 2023, respectively) |  |  | (4,424 | ) |  |  | (4,283 | )
Other income |  |  | 5 |  |  |  | 94 |
Total other expense, net |  |  | (4,730 | ) |  |  | (4,211 | )
Net loss and comprehensive loss |  | $ | (9,230 | ) |  | $ | (10,281 | )
(1) | Other expenses includes small balances of research materials and supplies along with insurance costs.
NorthView Acquisition Corp [Member] |  |
Segments [Line Items] |  |
Schedule of Company’s Performance and Making Key Decisions Regarding Resource Allocation | When evaluating the Company’s performance and making key decisions regarding resource allocation, the CODM reviews several key metrics included in net loss and total assets, which include the following:
|  | As of June 30, 2025 |  |  | As of December 31, 2024 |
Trust Account |  | $ | 1,935,561 |  |  | $ | 8,330,835 |
Cash |  | $ | — |  |  | $ | 16,204 |
Restricted Cash |  | $ | 1,751 |  |  | $ | — |
|  | For the Three Months Ended June 30, |  |  | For the Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Formation and operating costs |  |  | 967,084 |  |  |  | 253,130 |  |  |  | 1,550,665 |  |  |  | 723,971 |
Interest income earned on cash and marketable securities held in Trust Account |  |  | 15,159 |  |  |  | 108,520 |  |  |  | 95,084 |  |  |  | 225,184 |
| When evaluating the Company’s performance and making key decisions regarding resource allocation, the CODM reviews several key metrics included in net (loss) income and total assets, which include the following:
|  | For the Year Ended December 31, 2024 |  |  | For the Year Ended December 31, 2023 |
Trust Account |  | $ | 8,330,835 |  |  | $ | 10,873,406 |
Cash |  | $ | 16,204 |  |  | $ | 4,519 |
|  | For the Year Ended December 31, 2024 |  |  | For the Year Ended December 31, 2023 |
General and administrative expenses |  | $ | (1,351,038 | ) |  | $ | (1,508,683 | )
Interest earned on the Trust Account |  | $ | 425,416 |  |  | $ | 2,248,538 |

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