1
Kurt Amplatz, Frank Kotula, Rudy A Mazzocchi: Snare-type probe. Microvena Corporation, Fredrikson & Byron, December 15, 1992: US05171233 (452 worldwide citation)

The present invention provides a snare for intravascular use having an elongate proximal member and a loop-shaped distal segment oriented at an angle to the adjacent portion of the proximal member. The snare may be formed of a superelastic shape memory alloy, which permits the distal segment to be c ...


2
Richard S Kusleika, Brian V Finander: Temporary vascular filter. Microvena Corporation, Nawrocki Rooney & Sivertson P A, December 4, 2001: US06325815 (271 worldwide citation)

Filter systems and a method of deploying a medical filter within a channel in a patient's body, the filter systems include a filter having a radially expandable body with an opening in a proximal length thereof. The filter is urged along a length of the channel with the filter body in a radiall ...


3
Rudy Mazzocchi: Method and apparatus for occluding aneurysms. Microvena Corporation, Nawrocki Rooney & Sivertson P A, January 2, 2001: US06168622 (240 worldwide citation)

An aneurysm occlusion device has a bulbous body portion and an anchor. The body portion is sized to be received within an aneurysm and the anchor is sized and shaped to engage an interior surface of the vessel's wall. The body portion and the anchor are integrally formed of a resilient fabric p ...


4
Bradley John Wessman, Bart Lewis Dolmatch, Brian Lee Dukart: Body vessel filter. Microvena Corporation, Fredrikson & Byron, May 15, 2001: US06231589 (191 worldwide citation)

A catheter-deliverable filter assembly deployable in a vessel of the body in alternatively a temporary configuration enabling the filter to be removed from the vessel or a permanent configuration, and a method for its use. The filter assembly comprises an elongated support carrying spaced along its ...


5
Gary A Thill, John P Gainor: Septal defect occluder. Microvena Corporation, Nawrocki Rooney & Sivertson P A, April 10, 2001: US06214029 (184 worldwide citation)

A septal defect occluder is provided having first and second occluder panels. Each occluder panel includes a fabric support structure and fabric suspended therefrom. The occluder panels are conjoined at a plurality of discrete points which are located within an area bounded by each perimeter of the ...


6
Frank Kotula, Timothy Claude: Mechanical thrombus maceration device. Microvena Corporation, Fredrikson & Byron PA, October 29, 1996: US05569275 (170 worldwide citation)

In one embodiment, the present invention provides a mechanical thrombus maceration device which includes a flexible shaft adapted to be guided along a vascular path and rotated within a vascular channel; a rotor affixed to the shaft adjacent the distal end thereof for rotation therewith; drive means ...


7
John P Gainor, Brian L Dukart, Darren L Wegner: Defect occluder release assembly and method. Microvena Corporation, Nawrocki Rooney & Sivertson P A, August 27, 2002: US06440152 (153 worldwide citation)

A release assembly is provided to aid the reversible and repositionable deployment of a defect occluder. The release assembly includes an occluder tether having a distal portion comprising at least one suture loop, and a snare structure having a distal portion comprising a snare element. The at leas ...


8
David S Erickson, Rudy Mazzocchi: Guidewire having bimetallic coil. Microvena Corporation, Fredrikson & Byron, September 9, 1997: US05664580 (117 worldwide citation)

The present invention provides a coil having at least distal and proximal coil segments, one of the segments being more radiopaque than at least one of the other segments. The guidewire includes an elongate wire which desirably extends along substantially the entire length of the coil and continues ...


9
Frank Kotula, Timothy Claude: Self-centering mechanical medical device. Microvena Corporation, Fredrikson & Byron, February 8, 1994: US05284486 (115 worldwide citation)

The present invention provides a safe, reliable means of breaking down a thrombus with rotating blades into particles which are fine enough to be left in the vascular system without any significant risk of forming additional thrombi. The thrombectomy device also includes ports to ensure that the rot ...


10
Kurt Amplatz, Frank Kotula: Combined needle and dilator apparatus. Microvena Corporation, James R Haller, Gregory P Kaihoi, Mary P Bauman, February 26, 1991: US04995866 (41 worldwide citation)

The present invention provides a combined needle and dilator comprising a needle having a head with an outer diameter greater than the outer diameter of the body of the needle and a dilating sheath carried about the needle and abutting the rearward needle portion of the needle head. The dilating she ...