Radially expandable fixation member

Details Radially expandable fixation member Radially expandable fixation member

1990-04-12

1991-12-10

Shay, Randy Citrin

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604174, 606194, A61M 2900

Patent

active

050714074

ABSTRACT:
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 With the fixation element positioned as desired, the sheath is withdrawn to permit the fixation element to self-expand against body tissue, thus to secure the fixation element and catheter.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.

REFERENCES:
patent: 3868956 (1975-03-01), Alfidi et al.
patent: 4553545 (1985-11-01), Maass et al.
patent: 4572186 (1986-02-01), Gould et al.
patent: 4649922 (1987-03-01), Wiktor
patent: 4655771 (1987-04-01), Wallsten
patent: 4681110 (1987-07-01), Wiktor
patent: 4699611 (1987-10-01), Bowden
patent: 4723549 (1988-02-01), Wholey et al.
patent: 4732152 (1988-03-01), Wallsten et al.
patent: 4733665 (1988-03-01), Palmaz
patent: 4793348 (1988-12-01), Palmaz
patent: 4800882 (1989-01-01), Gianturco
patent: 4830003 (1989-05-01), Wolff et al.
patent: 4848343 (1989-07-01), Wallsten et al.
patent: 4856516 (1989-08-01), Hillstead
patent: 4886062 (1989-12-01), Wiktor
patent: 4921484 (1990-05-01), Hillstead
"Transluminally-Placed Coilspring Endarterial Tube Grafts", Charles T. Dotter, M.D., pp. 329-332, Investigative Radiology, Sep.-Oct. 1969, vol. 4.
Technical Developments and Instrumentation, "Transluminal Expandable Nitinol Coil Stent Grafting: Preliminary Report", Dotter et al., pp. 259-260, Radiology 147, Apr. 1983.
"Atherosclerotic Rabbit Aortas: Expandable Intraluminal Grafting", Radiology, 1986 (Sep.), pp. 723-726, Palmaz et al.
Interventional Radiology, "Self-Expanding Metallic Stents for Small Vessels: an Experimental Evaluation", Duprat et al., pp. 469-472, vol. 162, Feb. 1987, Radiology.
"Self-Expanding Endovascular Prosthesis: An Experimental Study", Radiology 1987, (Sep.), pp. 709-714, Rousseau et al.
"When Hope is all in Vein", Sweden Now, Mar. 1988.
"The Temporary Stent Catheter: A Non Operative Treatment for Acute Occlusion During Coronary-Angioplasty", Gaspard et al., JACC, vol. 15, No. 2, Feb. 1990, pp. 1A; 118A.

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