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  • More
    • Home
    • Clinical Evidence
      • ClotHound Testing
      • DogLeg 24F Testing
      • Radial Force Testing
      • Gravity Filtration
      • Blood Filtration
    • Governance
      • Management Team
      • Board of Directors
    • Retriever News
      • Australian Patent
      • Porcine Model Test
      • VORS Patent Submission
      • Radial Force Study
      • Blood Genie Reinfusion
      • Issuance Pat. 11,957,367
      • 24F Catheter Study
      • VORS PCT Application
      • Notice of Allowance
      • NOA for 17/809,528
      • NOA for 17/450,978
      • Granted US12,193,692 B2
      • Pat #12,201,315 B2 Issued
      • Granted EU Pat #3697325
  • Home
  • Clinical Evidence
    • ClotHound Testing
    • DogLeg 24F Testing
    • Radial Force Testing
    • Gravity Filtration
    • Blood Filtration
  • Governance
    • Management Team
    • Board of Directors
  • Retriever News
    • Australian Patent
    • Porcine Model Test
    • VORS Patent Submission
    • Radial Force Study
    • Blood Genie Reinfusion
    • Issuance Pat. 11,957,367
    • 24F Catheter Study
    • VORS PCT Application
    • Notice of Allowance
    • NOA for 17/809,528
    • NOA for 17/450,978
    • Granted US12,193,692 B2
    • Pat #12,201,315 B2 Issued
    • Granted EU Pat #3697325

Next-Generation DVT Thrombectomy

Next-Generation DVT ThrombectomyNext-Generation DVT ThrombectomyNext-Generation DVT Thrombectomy

Retriever Medical is developing the ClotHound™ thrombectomy system for deep vein thrombosis (DVT).

Current Thrombectomy Devices Leave Clot Behind

Deep vein thrombosis affects hundreds of thousands of patients annually.
Existing thrombectomy systems often struggle to remove chronic and wall-adherent thrombus, leading to incomplete clot removal and repeat interventions.

The ClotHound™ DVT Thrombectomy System

Distal Embolic Protection

The ClotHound™ system deploys a distal sphere designed to anchor the device within the vessel while providing embolic protection during thrombectomy, helping reduce distal clot migration.

Thrombus Engagement

Once deployed, the device is engineered to mechanically engage acute, subacute, and chronic wall-adherent thrombus, allowing controlled clot capture within the treatment zone.

Controlled Clot Retrieval

Controlled Clot Retrieval

Following thrombus engagement, the captured clot is withdrawn through the catheter system, enabling efficient removal of thrombus from the venous system.

ClotHound™ System Animation

ClotHound™ DVT

This animation illustrates the operating principles of the ClotHound™ thrombectomy system. The device is designed to mechanically engage acute, subacute, and chronic wall-adherent thrombus while supporting distal embolic protection during thrombectomy procedures.The system’s dual-sphere architecture enables controlled clot engagement and efficient thrombus removal from the venous system.

Preclinical Validation

Independent preclinical testing demonstrated strong thrombus removal with distal embolic protection:


  • 96% removal of chronic wall-adherent thrombus in a porcine thrombectomy model
  • Zero distal emboli observed during thrombectomy procedures
  • Dual-sphere architecture designed for controlled clot engagement and embolic protection


Results obtained from independent preclinical testing in a controlled porcine thrombectomy model.

Regulatory Pathway

The ClotHound™ system is being developed for 510(k) clearance for the treatment of deep vein thrombosis (DVT). Development is supported by independent preclinical validation and planned GLP animal studies designed to support regulatory submission.

A PLATFORM FOR VENOUS THROMBECTOMY

Deep Vein Thrombosis (DVT)

Deep Vein Thrombosis (DVT)

Deep Vein Thrombosis (DVT)

Initial indication for the ClotHound™ system, targeting thrombus removal from the deep venous system of the lower extremities.

Pulmonary Embolism (PE)

Deep Vein Thrombosis (DVT)

Deep Vein Thrombosis (DVT)

Future development may extend the platform to support thrombectomy procedures for pulmonary embolism within the pulmonary arteries.

Complex Venous Thrombosis

Deep Vein Thrombosis (DVT)

Complex Venous Thrombosis

The platform architecture may support treatment of additional venous conditions including iliocaval thrombosis and chronic venous occlusions.

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Retriever Medical, Inc.

10845 Griffith Peak Drive, Las Vegas, NV 89135

(800) 574-5237

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