📊 Evidence-Based Reference

Titanium Greenfield Vena Cava Filter Carrier

Medi-Tech

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Summary: The titanium Greenfield vena cava filter by Medi-Tech is used to prevent pulmonary embolism. It is FDA 510k cleared and has been studied in clinical settings, showing successful insertion and no reported complications in initial studies.

FDA Clearance Information

Pathway ? 510(k)
Number ? K874096 ↗
Decision Date ? November 4, 1988
Product Code ? DTK Filter, Intravascular, Cardiovascular
Device Class ? Class 2
Evidence ? 22 studies

The titanium Greenfield vena cava filter was cleared by the FDA through the 510k pathway on November 4, 1988. Manufactured by Medi-Tech, it is classified as a Class 2 medical device.

What It Is

The titanium Greenfield vena cava filter is a medical device designed to prevent pulmonary embolism by capturing blood clots in the inferior vena cava. It is intended for percutaneous insertion and is used in patients with contraindications to anticoagulation therapy.

FDA-Cleared Indications

  • Prevention of recurrent pulmonary embolism through placement in the inferior vena cava.
  • Use in patients with thromboembolic disease when anticoagulant therapy is contraindicated.
  • Use when anticoagulant therapy is unsuccessful or complications from anticoagulation occur.

Clinical Applications

  • Percutaneous placement in the inferior vena cava.
  • Protection against pulmonary embolism in selected patients with deep venous thrombosis.
  • Pulmonary embolism prevention when anticoagulation cannot be given.
  • Pulmonary embolism prevention when anticoagulation has failed or caused complications.

Reported off-label uses

  • Prophylactic placement in selected patients at high risk for venous thromboembolism who do not have documented acute venous thrombosis.
  • Use in selected trauma or surgical patients when temporary protection from pulmonary embolism is considered necessary.

Off-label use: these uses are reported in practice or the literature but are not part of the FDA-cleared indications. Physicians may use a cleared device off-label based on their medical judgment; the manufacturer may not promote off-label uses.

Evidence Summary

The available literature includes two studies, a case series and an unknown type, published between 1995 and 1996. These studies focus on the initial experience and retrieval of the titanium Greenfield filter.

Reported Outcomes

Published studies report successful percutaneous insertion of the titanium Greenfield vena cava filter in all patients studied, with no complications or filter migration observed. The device demonstrated efficacy in preventing pulmonary embolism in patients with contraindications to anticoagulation.

Safety Profile

Reported complications include no instances of bruising, hematoma, or bleeding in the studied cases. The initial experience suggests a low complication rate for the titanium Greenfield filter.

Evidence Limitations

The evidence is limited to a small number of studies with a small sample size. Further research is needed to assess long-term outcomes and safety in a larger, more diverse patient population.

Practical Considerations

  • This is a permanent filter design; retrieval is not generally the intended use.
  • Placement requires a compatible delivery system and imaging guidance, commonly through venous access in the neck or groin.
  • The appropriate filter and carrier size depend on the delivery system, venous anatomy, and inferior vena cava dimensions specified in the device labeling.
  • MRI safety and conditions should be confirmed from the original device labeling or manufacturer records before scanning; older records may not provide current MR-conditional information.
  • Contraindications and precautions include inability to access the venous system, unsuitable inferior vena cava anatomy, active infection at the access site, and a contraindication to the required procedure or contrast agent.

Procedures that use this device

Linked Studies (20)

PubMed • 2020

Greenfield stainless steel vena cava filters on computed tomography follow-up.

Journal of vascular surgery. Venous and lymphatic disorders

Other View Source →
PubMed • 2006

Numerical analysis of the hemodynamics and embolus capture of a greenfield vena cava filter.

Journal of biomechanical engineering

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 2004

In vivo evaluation of the effects of gravitational force (+Gz) on over-the-wire stainless steel Greenfield inferior vena cava filter in swine.

Cardiovascular and interventional radiology

View Source →
PubMed • 1999

Entrapment of J-tip guidewires by Venatech and stainless-steel Greenfield vena cava filters during central venous catheter placement: percutaneous management in four patients.

Cardiovascular and interventional radiology

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1998

IVC filter tilt and asymmetry: comparison of the over-the-wire stainless-steel and titanium Greenfield IVC filters.

Journal of vascular and interventional radiology : JVIR

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1998

Suprarenal filter placement.

Journal of vascular surgery

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1997

Evaluation of a new percutaneous stainless steel Greenfield filter.

Journal of vascular and interventional radiology : JVIR

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1996

Successful retrieval of a titanium Greenfield vena cava filter embedded within its introducer sheath.

Journal of vascular and interventional radiology : JVIR

View Source →
PubMed • 1996

Caval interruption methods: comparison of options.

Seminars in vascular surgery

View Source →
PubMed • 1995

The new titanium Greenfield vena cava filter: initial experience and review.

Singapore medical journal

Case Series View Source →
PubMed • 1995

[Partial interruption of the inferior vena cava using a Greenfield titanium percutaneous filter. Present indications and evaluation].

Journal des maladies vasculaires

Prospective View Source →
PubMed • 1994

Management of deep vein thrombosis of the lower extremity in pregnancy.

The West Virginia medical journal

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1993

New retrievable percutaneous vena cava filter: experimental in vitro and in vivo evaluation.

Cardiovascular and interventional radiology

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1992

LGM vena cava filter: objective evaluation of early results.

Journal of vascular and interventional radiology : JVIR

View Source →
PubMed • 1990

Perforation of the inferior vena cava by a suprarenal Greenfield filter.

Radiology

View Source →
PubMed • 1990

Percutaneous inferior vena caval filters.

Radiology

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1989

Comparison of titanium and stainless steel, Greenfield vena caval filters.

Surgery

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1987

Percutaneous transfemoral placement of the Kimray-Greenfield vena cava filter.

Radiology

View Source →
PubMed • 1987

Experimental comparison of percutaneous vena caval devices: titanium Greenfield filter versus bird's nest filter.

Journal of vascular surgery

RCT|prospective|retrospective|case Series|other View Source →
PubMed • 1986

Percutaneous Kimray-Greenfield filter placement.

AJR. American journal of roentgenology

View Source →

Frequently Asked Questions

What are the clinical indications for titanium Greenfield vena cava filter?

The device is indicated for patients at risk of pulmonary embolism who have contraindications to anticoagulation therapy.

What outcomes have been reported in clinical studies?

Studies report successful insertion and no complications or filter migration in patients.

What complications have been reported?

No complications such as bruising, hematoma, or bleeding were reported in the studies.

Disclaimer: This page compiles publicly available regulatory and published clinical evidence for educational reference. It does not constitute medical advice, product endorsement, or a recommendation for clinical use. Always consult manufacturer documentation and clinical judgment for patient care decisions.

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