Sonavex, Inc.
Automated 3D ultrasound-guided cannulation system for hemodialysis access
- Sector
- Medtech
- Headquarters
- BALTIMORE, MD
- Founded
- 2013
- Latest Form D
- $2.3M, Feb 2022
- Total capital
- $18.8M
- Federal grants
- $12.2M
- 13 awards · 2015–2025
- Rank in peer group#59 of 538
- Private capital raised
- $6.5M
- 5 Form D · last Feb 2022
- 57 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 1
- 7 pending · first 2024
- Rank in peer group#237 of 538
Capital timeline
Latest events
- Federal grantHealth and Human S · Phase II · Clinical Trial to Demonstrate Impact of an AI-enabled 3D Ultrasound-based Guidance System in Reducing Arteriovenous Fistula Cannulation Injury and Improving Patient Quality of Life$1.0M
- Federal grantHealth and Human S · Phase II · Clinical Trial to Demonstrate Impact of an AI-enabled 3D Ultrasound-based Guidance System in Reducing Arteriovenous Fistula Cannulation Injury and Improving Patient Quality of Life$1M
- Federal grantHealth and Human S · Phase II · Validation of a Bedside Automated 3D Ultrasound-based Arteriovenous Fistula Cannulation Guidance Solution to Improve AV Fistula Outcomes$710K
- Federal grantHealth and Human S · Phase II · Commercialization of Low-Cost Portable 3D Ultrasound for Surveillance of Arteriovenous Fistula Maturation by Point-of-Care Dialysis Clinicians$500K
- Private capital raisedForm D · SEC · 5th filing$2.3M
- Federal grantHealth and Human S · Phase II · Validation of a Bedside Automated 3D Ultrasound-based Arteriovenous Fistula Cannulation Guidance Solution to Improve AV Fistula Outcomes$1M
- Federal grantHealth and Human S · Phase II · Automated 3D Ultrasound-based Surveillance of Arteriovenous Fistula Maturation for Post-operative Hemodialysis Patients$999K
- Private capital raisedForm D · SEC · 4th filing$1.8M
- Private capital raisedForm D · SEC · 3rd filing$2M
- Private capital raisedForm D · SEC · 2nd filing$320K
- Private capital raisedForm D · SEC · 1st filing$70K
Show 7 earlier federal awards
- Federal grantHealth and Human S · Phase II · Automated 3D Ultrasound-based Surveillance of Arteriovenous Fistula Maturation for Post-operative Hemodialysis Patients$1.0M
- Federal grantHealth and Human S · Phase II · Automated 3D Ultrasound-based Surveillance of Arteriovenous Fistula Maturation for Post-operative Hemodialysis Patients$3M
- Federal grantHealth and Human S · Phase II · Automated 3D Ultrasound-based Surveillance of Arteriovenous Fistula Maturation for Post-operative Hemodialysis Patients$1.0M
- Federal grantNSF · Phase II · SBIR Phase II: Automatic Vascular Flow Reconstruction with Adaptive Three-Dimensional Doppler Ultrasound$1.4M
- Federal grantNSF · Phase I · SBIR Phase I: Automated Blood Flow Analysis Using Adaptive Three-Dimensional Ultrasound$180K
- Federal grantHealth and Human S · Phase I · Point of Care Ultrasound Detection for Postoperative Vascular Thrombosis$225K
- Federal grantHealth and Human S · Phase I · Point of Care Ultrasound Detection for Postoperative Vascular Thrombosis$225K
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.
Federal first
4months
from Sonavex, Inc.’s first federal award to its first private round.
- First federal award · Mar 2015
- Health and Human S · $225K
- First Form D · Jun 2015
- $70K · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 538 peers
Line = medianMedtech · Device
- Federal grants#59 · top 11%
- Granted patents#237 · top 44%
- Linked publications#91 · top 17%
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- Devin O'Brien-CoonResearcherExecutive Officer, DirectorLinked by 1 patent
- David NarrowResearcherExecutive OfficerLinked by $180K in grants as PI
- Bill L. NilandDirectorNamed in SEC Form D filings
- Jerry PrinceDirectorNamed in SEC Form D filings
- John RappeExecutive OfficerNamed in SEC Form D filings
- Michael J. Hennessy, Jr.DirectorNamed in SEC Form D filings
Show all 7 people
- Robert L. HallenbeckDirectorNamed in SEC Form D filings
What it has protected
USPTO · 1 granted of 8- PendingUltrasound Blood Vessel Imaging And Cannulation Assistance SystemsUSPTOApplication 18825436
- GrantedMicrocavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityUSPTOUS 11,858,181
- PendingMicrocavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityUSPTOApplication 16673542
Show all 8 patent records
- Ultrasound Blood Vessel Imaging And Cannulation Assistance SystemsMar 6, 2025 · Application 18825436Pending
- Microcavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityJan 2, 2024 · US 11,858,181Granted
- Microcavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityMay 7, 2020 · Application 16673542Pending
- Microcavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityJan 19, 2017 · Application 15209082Pending
- Microcavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityApplication 62193380Pending
- Visually-guided Navigation Systems For Cannulation Of A Subject And Related MethodsApplication 63580670Pending
- Microcavity-containing Polymeric Medical Devices For Enhanced Ultrasonic EchogenicityApplication PCTUS2016042033Pending
- Ultrasound Blood Vessel Imaging And Cannulation Assistance SystemsApplication PCTUS2025020499Pending
Recent research by its founders
- Surgical fiducial segmentation and tracking for pose estimation based on ultrasound B-mode images20160 cites
- Optimizing the Design of a Device Targeted Towards Facilitating Adequate Neonatal Resuscitation in Low Resource Environments20130 cites
Related companies, and why
- SONAVEX INCShares a founder: David Narrow, XIN KANG
- VenoStent, Inc.Similar federal contract value in Medtech · null in contracts
- REBEL MEDICINE INCSimilar federal contract value in Medtech · null in contracts
- ISONO HEALTH, INC.Similar federal contract value in Medtech · null in contracts
- MISSION BIO, INC.Similar federal contract value in Medtech · null in contracts
- Sonorous NV, 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 .