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WO1993001753B1 - Atherectomy and angioplasty method and apparatus - Google Patents

Atherectomy and angioplasty method and apparatus

Info

Publication number
WO1993001753B1
WO1993001753B1 PCT/US1992/005993 US9205993W WO9301753B1 WO 1993001753 B1 WO1993001753 B1 WO 1993001753B1 US 9205993 W US9205993 W US 9205993W WO 9301753 B1 WO9301753 B1 WO 9301753B1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
tip
expansion
balloon
obstruction
Prior art date
Application number
PCT/US1992/005993
Other languages
French (fr)
Other versions
WO1993001753A3 (en
WO1993001753A2 (en
Filing date
Publication date
Priority claimed from US07/731,109 external-priority patent/US5217474A/en
Priority to AU23398/92A priority Critical patent/AU652475B2/en
Priority to DE69230883T priority patent/DE69230883T2/en
Priority to JP5502980A priority patent/JPH07503623A/en
Priority to CA002113438A priority patent/CA2113438C/en
Priority to RU9294014232A priority patent/RU2093087C1/en
Application filed filed Critical
Priority to EP92915850A priority patent/EP0596928B1/en
Priority to AT92915850T priority patent/ATE191325T1/en
Priority to BR9206279A priority patent/BR9206279A/en
Publication of WO1993001753A2 publication Critical patent/WO1993001753A2/en
Publication of WO1993001753A3 publication Critical patent/WO1993001753A3/en
Publication of WO1993001753B1 publication Critical patent/WO1993001753B1/en

Links

Abstract

A device for treating obstructions in vessels or small openings in the body, comprising a rotatable ablator tip which is guided to the obstruction in a reduced diameter configuration, expanded and rotated to remove the obstruction, and contracted to remove the device from the body. The variably expandable abrasive tip coil in one embodiment is actuated by piston means within the coil. A pair of collars is attached to the ends of the coil, and the piston effects relative longitudinal axial movement of the collars and the respective ends of the coil tip. When the ends of the coil tip are so moved, expansion and contraction of the diameter of the coil tip results. In another embodiment, the expansion tip coil is actuated by an expandable and contractible bellows disposed within the coil. In another embodiment, the expansion and contraction of the coil tip are affected by longitudinal axial movement of an internal coil attached to one end of the coil tip, within an outer coil attached to its other end. In another embodiment, expansion and contraction of the coil tip are effected by an inflatable balloon disposed within the coil tip. The balloon expansion means enlarges preferably at the central portion of the coil to make a bulge. In alternative embodiments, there is provided a combined atherectomy and balloon angioplasty device employing either a fixed or variable diameter rotatable abrasive burr, and an angioplasty balloon disposed proximal to the burr.

Claims

AMENDED CLAIMS
[received by the International Bureau on 6 April 1993 (06.04.93); original claims unchanged; new claim 51 added (1 page)] selectively rotating the tip at high speed to abrade away the obstruction; selectively inflating the angioplasty balloon in the absence of high speed rotation of the tip to cause the enlargement of the vessel or to repair a dissection of vascular tissue at the obstruction site; terminating the high speed rotation of the tip; deflating the angioplasty balloon; and withdrawing the instrument from the vessel.
51. An apparatus for removing an obstruction from a vessel according to claim 4, further including: an angioplasty balloon disposed proximal to said coil; and means for selectively inflating said balloon.
PCT/US1992/005993 1991-07-15 1992-07-15 Atherectomy and angioplasty method and apparatus WO1993001753A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BR9206279A BR9206279A (en) 1991-07-15 1992-07-15 Apparatus and method for removing and treating a vessel obstruction
DE69230883T DE69230883T2 (en) 1991-07-15 1992-07-15 DEVICE FOR ATHEREECTOMY AND ANGIOPLASTY
JP5502980A JPH07503623A (en) 1991-07-15 1992-07-15 Atheroma removal and angiogenesis method and device
CA002113438A CA2113438C (en) 1991-07-15 1992-07-15 Atherectomy and angioplasty method and apparatus
RU9294014232A RU2093087C1 (en) 1991-07-15 1992-07-15 Apparatus and method for treating occlusion in vessel (alternative embodiments), method for removing from vessel
AU23398/92A AU652475B2 (en) 1991-07-15 1992-07-15 Atherectomy and angioplasty method and apparatus
EP92915850A EP0596928B1 (en) 1991-07-15 1992-07-15 Atherectomy and angioplasty apparatus
AT92915850T ATE191325T1 (en) 1991-07-15 1992-07-15 ARTERY REMOVAL AND ANGIOPLASTY DEVICE

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US07/731,109 US5217474A (en) 1991-07-15 1991-07-15 Expandable tip atherectomy method and apparatus
US731,109 1991-07-15
USPCT/US91/06381 1991-09-05
PCT/US1991/006381 WO1993001849A1 (en) 1991-07-15 1991-09-05 Expandable tip atherectomy method and apparatus
US805,577 1991-12-10
US07/805,577 US5308354A (en) 1991-07-15 1991-12-10 Atherectomy and angioplasty method and apparatus

Publications (3)

Publication Number Publication Date
WO1993001753A2 WO1993001753A2 (en) 1993-02-04
WO1993001753A3 WO1993001753A3 (en) 1993-04-01
WO1993001753B1 true WO1993001753B1 (en) 1994-12-08

Family

ID=27376806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/005993 WO1993001753A2 (en) 1991-07-15 1992-07-15 Atherectomy and angioplasty method and apparatus

Country Status (10)

Country Link
EP (1) EP0596928B1 (en)
JP (1) JPH07503623A (en)
AT (1) ATE191325T1 (en)
AU (1) AU652475B2 (en)
BR (1) BR9206279A (en)
CA (1) CA2113438C (en)
DE (1) DE69230883T2 (en)
ES (1) ES2147730T3 (en)
RU (1) RU2093087C1 (en)
WO (1) WO1993001753A2 (en)

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US7179269B2 (en) 2002-05-20 2007-02-20 Scimed Life Systems, Inc. Apparatus and system for removing an obstruction from a lumen
US8080026B2 (en) 2003-01-21 2011-12-20 Angioscore, Inc. Apparatus and methods for treating hardened vascular lesions
US7686824B2 (en) * 2003-01-21 2010-03-30 Angioscore, Inc. Apparatus and methods for treating hardened vascular lesions
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