Microcatheter with auxiliary parachute guide structure

Overview

Information

Number: 5906618
Application: 08/821089
Filing date: 03/20/1997
Issue date: 05/25/1999
Inventor(s): Theodore C. Larson, III

US Classification: 606/108; 606/127

Citations

Covidien (3)

Number	Title	Issue Date
5074867	Surgical instrument assembly and related surgical method	1991/12/24
5100379	Microcatheter having improved tensile strength	1992/03/31
5405360	Resilient arm mesh deployer	1995/04/11

Target Therapeutics (2)

Number	Title	Issue Date
5275173	Extendable guidewire assembly	1994/01/04
5336205	Flow directed catheter	1994/08/09

NA (2)

Number	Title	Issue Date
4551132	Pharmaceutically acceptable silicon rubber and therapeutical set and the use thereof for surgical embolization	1985/11/05
4790812	Apparatus and method for removing a target object from a body passsageway	1988/12/13

stryker european operations (2)

Number	Title	Issue Date
5354295	In an endovascular electrolytically detachable wire and tip for the formation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas	1994/10/11
5540680	Endovascular electrolytically detachable wire and tip for the formation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas	1996/07/30

Olympus Optical Co. (1)

Number	Title	Issue Date
4198960	Apparatus for removing a foreign matter having individually operable trapping and flexing wires, a central channel for illumination, suction and injection and a laterally disposed bore for feeding fluids	1980/04/22

LASERSCOPE (1)

Number	Title	Issue Date
4418688	Microcatheter having directable laser and expandable walls	1983/12/06

Regents of the University of California, The (1)

Number	Title	Issue Date
5122136	Endovascular electrolytically detachable guidewire tip for the electroformation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas	1992/06/16

COOK MEDICAL TECHNOLOGIES (1)

Number	Title	Issue Date
5643317	Closure prosthesis for transcatheter placement	1997/07/01

Abstract

Abstract

A microcatheter with a deployable parachute attached to its distal tip is disclosed. The parachute in its retracted position lies flush against the exterior wall of the distal segment of the catheter. Control strings, cables or wires traverse the length of the microcatheter through channels within its wall and exit through strategically placed apertures at the tip of the microcatheter to attach to the parachute. When the parachute is deployed, the microcatheter is guided by blood flow or jets of liquid that are injected through the microcatheter. When the parachute is retracted, the microcatheter may be used with a guidewire to superselect vasculature. The microcatheter device has multiple uses permitting diagnostic and therapeutic superselective angiography.

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Number	Title	Issue Date
6348062	Vascular device having one or more articulation regions and methods of use	2002/02/19
6371970	Vascular filter having articulation region and methods of use in the ascending aorta	2002/04/16
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6544279	Vascular device for emboli, thrombus and foreign body removal and methods of use	2003/04/08
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6616679	Rapid exchange vascular device for emboli and thrombus removal and methods of use	2003/09/09
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Tech Analysis

Class	Subclass	Type	Reference Factor	Citation Factor	Strength	Grant time	Early grant (%)
606	108	Emerging	Novel	Seminal	High	Average	33.5
606	127	Emerging	Novel	Seminal	High	Rapid	24.5