Fogarty’s Crux Bi-directionally Retrievable IVC Filter Gets FDA Nod

Fogarty’s Crux Bi-directionally Retrievable IVC Filter Gets FDA Nod

Crux Biomedical, a company founded by Dr. Thomas Fogarty, the famous medical device inventor and noted winegrower, has reported highly positive results from a clinical trial of the Crux Vena Cava Filter (VCF) System in preventing recurrent pulmonary embolisms.

The new device, which is cleared for use in Europe and is under an Investigational Device Exemption (IDE) in the U.S., was designed by Fogarty and team to prevent known complications from existing devices like penetration of the caval wall, damage to nearby organs, and tilting of the filter that may allow emboli to pass.

The recently completed pivotal trial, known as the RETRIEVE Clinical Study, was a prospective, single-arm, multinational investigational study to assess the safety, performance, and efficacy of the Crux VCF System as both a retrievable and a permanent device. The trial included 125 patients at high risk for PE and was performed at 22 centers in the United States, Australia, New Zealand and Belgium.

In the study, the technical success rate of filter deployment was 98 percent; filter retrieval success was also 98 percent. The average retrieval time was 7 minutes, with the femoral approach used for retrieval in 70% of cases. By the 6-month follow up of the study, no embolizations, migrations, or fractures were observed.

crux filter Fogartys Crux Vena Cava Filter Proving Itself a Safer, Easier Option for Recurrent Pulmonary EmbolismsFeatures of the Crux VCF from the product page:

Self-centering – no-tilt symmetrical spiral design centers filter automatically in vessel lumen

Bi-directional deployment and retrieval. Twice the retrieval options of other filters. Designed for either jugular or femoral deployment, and retrieval

Atraumatic design goal – Tissue anchor lengths optimized for efficient vessel fixation while limiting perforation

Total trans-luminal filtration design provides filtration across the entire lumen of the vessel

Controlled filter placement via preloaded, low profile, over-the-wire delivery system

“We just look at where there’s a need and

ask ourselves if we can do something.”

- Dr. Tom Fogarty

World Renowned Surgeon /

Inventor / Founder Crux Biomedical

Tom Fogarty, former Stanford University Professor and cardiovascular surgeon, has founded over 33 medical device companies and has been credited with over 125 patents. It has been estimated that Dr. Fogarty’s medical devices have touched the lives of over 25 million patients worldwide.

The founding of Crux Biomedical in 2004 was another step in Fogarty’s passion to provide clinicians with improved medical treatments for potentially life threatening conditions of the human vascular system.

FDA Clears First Ever Bi-directionally Retrievable Vena Cava Filter from Crux Biomedical

98% Deployment and Retrieval Success Rates in Trial to Prevent Pulmonary Embolism photo

MENLO PARK, CA, July 18, 2012 — Crux Biomedical announced it has received U.S. Food and Drug Administration (FDA) clearance for its novel inferior vena cava filter (VCF) with bi-directional retrieval. VCF are designed to trap blood clots that can lead to potentially fatal pulmonary embolisms among patients at risk. The Crux VCF (see image) is the first and only VCF designed to facilitate bi-directional retrieval through either the femoral or jugular veins, a key consideration when access to one or the other vein is limited (see video animation).

“The Crux VCF System is the first major design innovation in vena cava filters in some 40 years,” stated Mel Schatz, CEO of Crux Biomedical. “We have been pleased with both the clinical outcomes in our pivotal clinical trial and the enthusiasm expressed by physicians using the Crux VCF.” The device’s novel helical shape was designed to self-center and to conform more closely to the shape of the vena cava, as well as to reduce bends and stress that can compromise filter integrity.

By obstructing the blood flow through the lungs, pulmonary embolisms cause difficulty breathing, chest pain and palpitations. Each year in the U.S., approximately 600,000 patients develop pulmonary embolisms and an estimated 200,000 deaths occur. The primary means of prevention and therapy for pulmonary embolisms is systemic administration of anticoagulant agents. However, this treatment is contraindicated in many patients, including those with high bleeding risk, those undergoing complex surgeries and patients for whom anticoagulants were ineffective.

Patients in whom anticoagulant treatment is contraindicated require alternate treatments to reduce the ongoing pulmonary embolism risk, including VCF – small filters that are placed in the inferior vena cava, the main blood vessel returning blood from the lower part of the body to the heart, to prevent blood clots from reaching the lungs. The FDA has recommended that physicians routinely remove VCF after the risk of pulmonary embolisms is reduced, to avoid long-term complications.

“Crux designed a device that is both more versatile and simple to use,” stated Tom Fogarty, M.D., noted cardiovascular surgeon and founder of Crux Biomedical. “Bi-directional deployment and retrieval are extremely helpful in situations where access to either the femoral or jugular vein is not possible. The Crux VCF with its innovative design and materials represents a paradigm shift in prevention of pulmonary embolisms in patients at risk.”

A recently completed pivotal trial consisting of 125 patients at high risk for pulmonary embolisms, called the RETRIEVE Clinical Study, was performed at 22 sites in the U.S., Australia, New Zealand and Belgium. The study results were presented at the 2012 Society for Interventional Radiology (SIR) meeting.

In the study, the technical success rate of filter deployment was 98 percent; filter retrieval success was also 98 percent. The average retrieval time was 7 minutes. By the 6-month follow up of the study, no embolizations, migrations or fractures were observed.

“The Crux device demonstrated excellent deployment, retrieval and safety profile,” stated Robert R. Mendes, M.D., Principal Investigator of the study; Associate Professor of Surgery, University of North Carolina; and Chief of Vascular Surgery, Rex UNC Healthcare. “The clinical study evaluation has demonstrated the Crux VCF can be used safely for the prevention of recurrent pulmonary embolisms.”

Crux Biomedical is located in Menlo Park, California and is focused on developing improved therapies for the human vasculature. It is funded by Alloy Ventures, Three Arch Partners, Emergent Medical Partners and Thomas Fogarty, M.D. Additional information is available at www.cruxbiomedical.com.

Source : http://www.cruxbiomedical.com/news-0718FDAclears.htm

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