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US7165552B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Methods and apparatus for treatment of patent foramen ovale

Assignee: Terumo Corp
•
Filing: 2003-09-18
•
Granted: 2007-01-23
•
Expires: 2023-09-18
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Abstract

Abstract Methods and apparatus for treatment of patent foramen ovale (PFO) generally involve use of a catheter having at least one closure device at its distal end. In some embodiments, the catheter also includes one or more energy transmission members for delivering energy to the closure device(s) and to the tissue adjacent the PFO to induce closure of the PFO. Closure devices may comprise, for example, a bioresorbable matrix or a non-resorbable matrix. In some embodiments, the closure device contains particles dispersed within the closure device to increase conductance and/or to reduce resistance and/or impedance. An exemplary method involves advancing a catheter to position its distal end into the tunnel of the PFO and fixing the closure device within the tunnel of the patent foramen PFO.

Inventors

  • 👤 Mark E. Deem
  • 👤 Hanson Gifford, III
  • 👤 William Malecki
  • 👤 Kenneth Horne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:18
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492; A61B17/00; A61B17/0057; A61B2017/00575; A61B2017/00831; A61B2017/00867; A61B2018/00053; A61B2018/00214; A61B2018/0022; A61B2018/0025; A61B2018/00261; A61B2018/00273; A61B2018/00279; A61B2018/00285; A61B2018/00291; A61B2018/00315; A61B2018/00345; A61B2018/00351; A61B2018/00571; A61B2018/00619; A61B2018/0063; A61B2018/00636; A61B2018/00696; A61B2018/00702; A61B2018/00773; A61B2018/00791; A61B2018/00875; A61B2018/1472; A61B90/00; A61B90/36; A61B90/361; A61B2090/3614; C; C08; C08L; C08L2201/00; C08L2201/12

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 63 words
A method of treating a patent foramen ovale, the method comprising: advancing a closure device near a distal end of a catheter device to tissue of the patent foramen ovale; and applying energy to the closure device to cause adhesion between the closure device and tissue of the patent foramen ovale, thereby fixing die closure device to tissue of the patent foramen ovale.
Claim 2
Independent Claim 63 words
A method of treating a patent foramen ovale, the method comprising: advancing a closure device near a distal end of a catheter device to tissue of the patent foramen ovale; and applying energy to the closure device to cause adhesion between the closure device and tissue of the patent foramen ovale, thereby fixing die closure device to tissue of the patent foramen ovale.
Claim 3
Dependent Claim 23 words
A method as in claim 1 , wherein bipolar radiofrequency energy is used to cause adhesion of the closure device to the tissue.
Claim 4
Dependent Claim 23 words
A method as in claim 1 , wherein monopolar radiofrequency energy is used to cause adhesion of the closure device to the tissue.
Claim 5
Dependent Claim 23 words
A method as is claim 1 , wherein applying energy to the closure device comprises applying energy to at least one bioresorbable element.
Claim 6
Dependent Claim 23 words
A method as is claim 1 , wherein applying energy to the closure device comprises applying energy to at least one non-resorbable element.
Claim 7
Dependent Claim 28 words
A method as in claim 5 , wherein the energy is applied to a closure device comprising at least one of a tissue adhesive and a tissue solder.
Claim 8
Dependent Claim 26 words
A method as in claim 1 , wherein the closure device is advanced such that no part of the closure device extends into the left atrium.
Claim 9
Dependent Claim 21 words
A method as in claim 1 , further comprising applying lateral force to the patent foramen ovale with the closure device.
Claim 10
Dependent Claim 19 words
A method as in claim 8 , further comprising applying dilatory force to the patent foramen ovale during closure.
Claim 11
Dependent Claim 27 words
A method as in claim 1 , wherein the energy is applied via at least one energy transmission member disposed near the distal end of the catheter.
Claim 12
Dependent Claim 19 words
A method as in claim 1 , wherein applying energy comprises applying resistive heating, ultrasound, microwave or laser energy.
Claim 13
Dependent Claim 22 words
A method as in claim 1 , wherein the energy is applied through a conductive or low-resistance plane of the closure device.
Claim 14
Dependent Claim 33 words
A method as in claim 5 , further including expanding an expandable balloon member near the distal end of the catheter to deploy the closure device to tissue of the patent foramen ovale.
Claim 15
Dependent Claim 21 words
A method as in claim 1 , wherein the closure device is advanced into the tunnel of a patent foramen ovale.

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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) 2010-01-22 2010-07-24 2011-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2014-01-22 2014-07-24 2015-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2018-01-22 2018-07-24 2019-01-23 $7700.00 Window Closed / Lapsed

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