US Patent No: 5,378,239

Number of patents in Portfolio can not be more than 2000

Radially expandable fixation member constructed of recovery metal

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An open weave fixation device is secured to a distal end region of a catheter or other diagnostic or treatment device, for either temporarily or permanently fixing the device within a body cavity. In one approach, the fixation element is constructed of braided, helically wound filaments of resilient stainless steel. A sheath surrounds the catheter and fixation element to elastically deform the element into a reduced radius configuration to facilitate insertion and deployment. With the fixation element positioned as desired, the sheath is withdrawn to permit the fixation element to self-expand against body tissue, thus to secure the fixation element and catheter. In an alternative arrangement, a dilatation balloon surrounds a catheter near its distal end, and in turn is surrounded by a plastically deformable fixation element. Following desired positioning, the balloon is dilated to permanently deform the fixation element into contact with body tissue. In either case, the fixation element can be mounted at its distal end, its proximal end or medially, depending upon the particular treatment and the expected duration of fixation. Another approach employs a recovery metal in the fixation element.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BOSTON SCIENTIFIC SCIMED, INC.MAPLE GROVE, MN4950

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Porter, Christopher H Woodinville, WA 76 4990
Termin, Paul L St. Paul, MN 14 1817

Cited Art Landscape

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Other [Check patent profile for assignment information] (3)
4,655,772 Cardiac valvular prosthesis 38 1985
4,649,922 Catheter arrangement having a variable diameter tip and spring prosthesis 325 1986
4,794,928 Angioplasty device and method of using the same 510 1987

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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VITATRON MEDICAL, B.V. (1)
5,522,876 Screw-in pacing lead 30 1994
 
Other [Check patent profile for assignment information] (1)
5,713,870 Retractable safety penetrating instrument with laterally extendable spring strip 39 1995