{"changes":[],"country":"US","description":"Lumenastra makes a non-invasive radiometric sensor that measures brain temperature several centimeters below the surface in real time. Use cases include cardiac surgery, post-arrest care, TBI monitoring, military heat-stress and hypothermia management, and athlete performance. The team blends radiometry, signal-processing algorithms, and FDA-grade medical-device commercialisation experience.","domain":"lumenastra.io","employees":null,"founded":null,"fundingTotalQuarantined":false,"githubOrg":"lumenastra","githubStars":null,"industry":"unknown","investors":[],"lat":40.167212,"lng":-105.101928,"location":"longmont, co, usa","name":"LUMENASTRA","rounds":[{"amountQuarantined":false,"amountUsd":1300000,"currency":"USD","date":"2024-01-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-05","status":"attributed","url":null},"status":"attributed","type":"grant","url":null}],"slug":"lumenastra-io","sources":[{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-05","status":"attributed","url":null},{"fact":"existence","publisher":"lumenastra.io","retrievedAt":"2026-05-05","status":"self-reported","url":"https://lumenastra.io"},{"fact":"description","publisher":"lumenastra.io","retrievedAt":"2026-05-05","status":"self-reported","url":"https://lumenastra.io"}],"stage":null,"techStack":["Afterpay","Sentry","Spin.js","Squarespace","Squarespace Commerce","Stimulus","parallax.js","web-vitals","moment 0","@sentry/browser"],"totalRaisedUsd":1300000,"updatedAt":"2026-05-05"}