InterShunt Technologies, Inc.
Minimally invasive transcatheter system that creates an interatrial shunt to relieve left atrial pressure
- Sector
- Medtech
- Headquarters
- Fridley, MN
- Latest Form D
- $18.3M, Aug 2024
- Total capital
- $22.3M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $22.3M
- 3 Form D · last Aug 2024
- 26 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 8
- 7 pending · first 2017
- Rank in peer group#229 of 1112
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 3rd filing$18.3M
- Private capital raisedForm D · SEC · 2nd filing$886K
- Private capital raisedForm D · SEC · 1st filing$3.1M
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 1112 peers
Line = medianMedtech · Device
- Granted patents#229 · top 21%
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- Gil M. VardiResearcherDirectorLinked by 8 patents
- David Lee AdairDirectorNamed in SEC Form D filings
- Denis Lee HarringtonDirectorNamed in SEC Form D filings
- Harian Lee SorkinExecutive Officer, DirectorNamed in SEC Form D filings
- Harlan L. SorkinExecutive Officer, DirectorNamed in SEC Form D filings
- James M. BullockDirectorNamed in SEC Form D filings
Show all 7 people
- Jim Lee BullockDirectorNamed in SEC Form D filings
What it has protected
USPTO · 8 granted of 15- PendingMethod And Catheter For Creating An Interatrial ApertureUSPTOApplication 19529013
- GrantedMethod And Catheter For Creating An Interatrial ApertureUSPTOUS 12,539,137
- GrantedMethod And Septostomy Device For Creating An Interatrial ApertureUSPTOUS 12,471,948
Show all 15 patent records
- Method And Catheter For Creating An Interatrial ApertureJun 18, 2026 · Application 19529013Pending
- Method And Catheter For Creating An Interatrial ApertureFeb 3, 2026 · US 12,539,137Granted
- Method And Septostomy Device For Creating An Interatrial ApertureNov 18, 2025 · US 12,471,948Granted
- Method And Catheter For Creating An Interatrial ApertureApr 16, 2024 · US 11,957,374Granted
- Method And Septostomy Device For Creating An Interatrial ApertureOct 13, 2022 · Application 17851260Pending
- Method And Septostomy Device For Creating An Interatrial ApertureJun 28, 2022 · US 11,369,405Granted
- Method And Device For Sizing An Interatrial ApertureMay 27, 2021 · Application 17105427Pending
- Method And Catheter For Creating An Interatrial ApertureMay 4, 2021 · US 10,993,735Granted
- Method And Catheter For Creating An Interatrial ApertureMay 4, 2021 · US 10,993,736Granted
- Method And Catheter For Creating An Interatrial ApertureMay 5, 2020 · US 10,639,060Granted
- Method And Catheter For Creating An Interatrial ApertureNov 14, 2017 · US 9,814,483Granted
- Method And Catheter For Creating An Interatrial ApertureSep 22, 2016 · Application 15089547Pending
- Method And Septostomy Device For Creating An Interatrial ApertureApplication PCTUS2019060364Pending
- Method And Catheter For Creating An Interatrial ApertureApplication PCTUS2015035704Pending
- Software And Method For Sizing Interatrial ShuntsApplication 62940194Pending
Related companies, and why
- PXALPHA, L.L.C.Similar federal contract value in Medtech · null in contracts
- KULEANA TECHNOLOGY, INC.Similar federal contract value in Medtech · null in contracts
- FREEFLOW MEDICAL DEVICES LLCSimilar federal contract value in Medtech · null in contracts
- Orbit Genomics, Inc.Similar federal contract value in Medtech · null in contracts
- Variantyx Inc.Similar federal contract value in Medtech · null in contracts
- Clairity, 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 .