US 7,582,100 B2 · Spiral shaped filter

Abstract

In one embodiment of the present invention there is provided a filter having a first spiral support member having a first end and a second end, a second spiral support member positioned adjacent the first spiral support member to form an open loop between the first end and the second end of the first spiral support member; and a filtering structure attached to the open loop. In another embodiment of the present invention there is provided a filter having a first spiral support member having a first end and a second end; a second spiral support member positioned adjacent the first spiral support member to form a loop between the first end and the second end; a material covering a portion of the first and the second spiral support members; and a structure attached to the loop.

Claims32

Dependent claims

A filter, comprising:

a first spiral support member having a first end and a second end;
a second spiral support member positioned adjacent to and crossing the first spiral support member to form an open loop between the first end or the second end of the first spiral support member and a point where the second spiral support member crosses the first spiral support member;
a filtering structure attached to and within the open loop;
a first retrieval feature adjacent to the first end;
and
a second retrieval feature adjacent to the second end.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

11/325,229Filed 3 Jan 2006 · us provisional application

Priority

3 Jan 2005

Published

US 2006/0248871 A19 Nov 2006

Granted

1 Sep 2009

Term ends

Not estimatedThe source records don’t support an estimate.

Classification17 codes

A61B 17/221
Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones;…
A61F 2/01
Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting…:…
A61F 2/011
Filters implantable into blood vessels: instruments for their placement or removal
A61F 2002/016
Filters implantable into blood vessels: made from wire-like elements

Family

Application60/641,327Us provisional application · filed 3 Jan 2005

Application60/668,548Us provisional application · filed 4 Apr 2005

Application60/673,980Us provisional application · filed 21 Apr 2005

US 2006/0248871 A1Pre-grant publication · published 9 Nov 2006

US 7,582,100 B2This patent

From the US filing history. Foreign family members aren’t listed.

Spiral shaped filter

Life of this patent

Spiral shaped filter

Life of this patent

Abstract

Claims32