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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 revenue |  | $ | — |  |  | $ | 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. | 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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