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US8647355B2 Active / In Force US ⏱️ 6.1 years remaining

Atherectomy devices and methods

Assignee: AtheroMed Inc
•
Filing: 2012-11-30
•
Granted: 2014-02-11
•
Expires: 2032-11-30
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Abstract

Abstract The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens.

Inventors

  • 👤 Paul Q. Escudero
  • 👤 John To
  • 👤 Christopher J. Danek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:25
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320783; A61B17/320758; A61M; A61M25/00; A61M25/01; A61M25/09; A61B2017/00681; A61B2017/00685; A61B17/22; A61B2017/22038; A61B2017/22047; A61B2017/22048; A61B2017/22051; A61B2017/22065; A61B2017/22068; A61B2017/22082; A61B2017/320064

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 129 words
A device for removing material from a body lumen, the device comprising: a catheter having a proximal end, a distal end, and a catheter lumen extending therethrough; a cutter assembly located at the distal end of the catheter, wherein the cutter assembly comprises a housing having a first opening and a cutter, wherein the cutter comprises a distal cutter portion extending out of the first opening and comprising at least one helical cutting edge and wherein the cutter further comprises a proximal cutter portion inside the housing and having a number of helical cutting edges greater than the at least one cutting edge of the distal portion; and a torque shaft extending through the catheter lumen and coupled to the cutter for rotating the cutter relative to the catheter.
Claim 2
Independent Claim 129 words
A device for removing material from a body lumen, the device comprising: a catheter having a proximal end, a distal end, and a catheter lumen extending therethrough; a cutter assembly located at the distal end of the catheter, wherein the cutter assembly comprises a housing having a first opening and a cutter, wherein the cutter comprises a distal cutter portion extending out of the first opening and comprising at least one helical cutting edge and wherein the cutter further comprises a proximal cutter portion inside the housing and having a number of helical cutting edges greater than the at least one cutting edge of the distal portion; and a torque shaft extending through the catheter lumen and coupled to the cutter for rotating the cutter relative to the catheter.
Claim 3
Dependent Claim 23 words
The device of claim 1 further comprising a lumen extending through the torque shaft and the cutter accommodating passage of a guide wire.
Claim 4
Dependent Claim 36 words
The device of claim 1 wherein the torque shaft has at least one helical conveyor member wound about an exterior such that rotation of the torque shaft conveys material across a length of the torque shaft.
Claim 5
Dependent Claim 11 words
The device of claim 1 wherein the catheter comprises a guide-wire.
Claim 6
Dependent Claim 18 words
The device of claim 1 further comprising a burr rotatably located on a tip of the cutter assembly.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2017-02-10 2017-08-12 2018-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2021-02-10 2021-08-12 2022-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2025-02-10 2025-08-12 2026-02-11 $7700.00 Window Closed / Lapsed

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