Marblehead Medical LLC
Minimally invasive transfemoral catheter system with integrated flow-reversal balloon for carotid artery stenting without surgical cutdown
- Sector
- Medtech
- Headquarters
- Rochester, MN
- Founded
- 2016
- Latest Form D
- $600K, Nov 2019
- Total capital
- $5.3M
- Federal grants
- $3.3M
- 5 awards · 2018–2020
- Rank in peer group#296 of 445
- Private capital raised
- $2M
- 4 Form D · last Nov 2019
- 83 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 7 pending
Capital timeline
Latest events
- Federal grantHealth and Human S · Phase II · Development of a Balloon Occlusion Sheath for Stroke (BOSS)$985K
- Federal grantHealth and Human S · Phase I · Simplified Transfemoral Carotid Angioplasty and Stenting Under FlowReversal Using a Novel Combination Access Sheath/Balloon System$398K
- Federal grantHealth and Human S · Phase I · Simplified Transfemoral Carotid Angioplasty and Stenting Under FlowReversal Using a Novel Combination Access Sheath/Balloon System$398K
- Private capital raisedForm D · SEC · 4th filing$600K
- Private capital raisedForm D · SEC · 3rd filing$1.1M
- Federal grantHealth and Human S · Phase II · Development of a Balloon Occlusion Sheath for Stroke (BOSS)$998K
- Federal grantHealth and Human S · Phase I · Development of a novel Balloon Occlusion Sheath for Stroke (BOSS)$479K
- Private capital raisedForm D · SEC · 2nd filing$250K
- Private capital raisedForm D · SEC · 1st filing$150K
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.
Standing among 445 peers
Line = medianMedtech · Device
- Federal grantsBelow median
- Linked publications#2 · top 1%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
Researcher links verified by same-company patents and grants- David KallmesResearcherExecutive Officer, DirectorLinked by $398K in grants as PI
- Keith KallmesExecutive OfficerNamed in SEC Form D filings
- Kevin KallmesExecutive OfficerNamed in SEC Form D filings
- Waleed BrinjikjiExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 0 granted of 7- PendingInternal Carotid Artery Thrombectomy Devices And MethodsUSPTOApplication 17283467
- PendingBalloon Guiding Sheath Having An Inflation TroughUSPTOApplication 63027009
- PendingCarotid Artery Stenting Systems And MethodsUSPTOApplication PCTUS2020015100
Show all 7 patent records
- Internal Carotid Artery Thrombectomy Devices And MethodsNov 11, 2021 · Application 17283467Pending
- Balloon Guiding Sheath Having An Inflation TroughApplication 63027009Pending
- Carotid Artery Stenting Systems And MethodsApplication PCTUS2020015100Pending
- Internal Carotid Artery Thrombectomy Devices And MethodsApplication PCTUS2019067074Pending
- Internal Carotid Artery Thrombectomy Devices And MethodsApplication PCTUS2019055451Pending
- Internal Carotid Artery Thrombectomy Devices And MethodsApplication PCTUS2019042181Pending
- Internal Carotid Artery Thrombectomy Devices And MethodsApplication 62781738Pending
Recent research by its founders
- Risk of Symptomatic Intracranial Hemorrhage After Mechanical Thrombectomy in Randomized Clinical Trials: A Systematic Review and Meta-Analysis202511 cites
- The effects of admission hyperglycemia and diabetes mellitus on mechanical thrombectomy outcomes: A systematic review and meta-analysis20259 cites
- Transvenous Embolization versus Surgical Intervention for CSF Venous Fistulas: A Systematic Review and Meta-Analysis20258 cites
Related companies, and why
- EMULATE, INC.Similar federal contract value in Medtech · null in contracts
- REDIMINDS INCSimilar federal contract value in Medtech · null in contracts
- Sharklet Technologies Inc.Similar federal contract value in Medtech · null in contracts
- GLYCOPATH, INCSimilar federal contract value in Medtech · null in contracts
- Brighton DevelopmentSimilar federal contract value in Medtech · null in contracts
- CytoTronics, Inc.Similar 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 .