Petal Surgical, Inc.
Focused ultrasound surgical platform using millisecond pulse histotripsy to non-invasively ablate tissue
- Sector
- Medtech
- Headquarters
- REDWOOD CITY, CA
- Founded
- 2021
- Latest Form D
- $17.7M, Aug 2025
- Total capital
- $17.7M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $17.7M
- 1 Form D · last Aug 2025
- 14 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 18 pending
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$17.7M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Founders and team
From SEC Form D filings- Frederic MollDirectorNamed in SEC Form D filings
- Nicholas TheodoreDirectorNamed in SEC Form D filings
- Prashant ChopraExecutive Officer, Director, PromoterNamed in SEC Form D filings
What it has protected
USPTO · 0 granted of 18- PendingSystems For Delivering High Intensity Focused Ultrasound Including Robotic Manipulators, And Devices And Methods ThereofUSPTOApplication 19458437
- PendingEnhanced Reality Medical Guidance Systems And Methods Of UseUSPTOApplication 19072862
- PendingSystem And Method For Tissue Intervention Via Image-guided Boiling HistotripsyUSPTOApplication 18744469
Show all 18 patent records
- Systems For Delivering High Intensity Focused Ultrasound Including Robotic Manipulators, And Devices And Methods ThereofJun 4, 2026 · Application 19458437Pending
- Enhanced Reality Medical Guidance Systems And Methods Of UseJan 29, 2026 · Application 19072862Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyMay 15, 2025 · Application 18744469Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyJun 22, 2023 · Application 18083465Pending
- Enhanced Reality Medical Guidance Systems And Methods Of UseMay 19, 2022 · Application 17440258Pending
- Enhanced Reality Medical Guidance Systems And Methods Of UseJan 13, 2022 · Application 17448859Pending
- Apparatus And Systems For Boiling Histotripsy, And Related Components, Devices, And Methods ThereofApplication 63635586Pending
- Systems, Devices, And Methods For Non-invasive Treatment Of Tissue Using Boiling HistotripsyApplication 63627762Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyApplication PCTUS2022081891Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyApplication 63356988Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyApplication 63308051Pending
- System And Method For Tissue Intervention Via Image-guided Boiling HistotripsyApplication 63290647Pending
- Enhanced Reality Medical Guidance Systems And Methods Of UseApplication PCTUS2020024212Pending
- Systems For Delivering High Intensity Focused Ultrasound Including Robotic Manipulators, And Devices And Methods ThereofApplication PCTUS2025043796Pending
- Histotripsy Systems Including Steerable Arrays, And Devices And Methods ThereofApplication PCTUS2025025214Pending
- Histotripsy Systems Including Robotic Manipulators, And Devices And Methods ThereofApplication 63715744Pending
- Histotripsy Systems Including Robotic Manipulators, And Devices And Methods ThereofApplication 63687745Pending
- Histotripsy Systems Including Steerable Arrays, And Devices And Methods ThereofApplication 63636544Pending
Related companies, and why
- Bariendo Inc.Similar federal contract value in Medtech · null in contracts
- Myoptechs, Inc.Similar federal contract value in Medtech · null in contracts
- FONAR, LLCSimilar federal contract value in Medtech · null in contracts
- Digid, Inc.Similar federal contract value in Medtech · null in contracts
- 4DMedical LtdSimilar federal contract value in Medtech · null in contracts
- CALLAHAN-YOUNG LLCSimilar federal contract value in Medtech · null in contracts
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .