US6071303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the treatment of infarcted tissue and method of treating infarcted tissue
Assignee: Hearten Medical Inc
•
Filing: 1996-12-08
•
Granted: 2000-06-06
•
Expires: 2016-12-08
Abstract
Abstract A device and method for treating myocardial infarction by selectively heating the infarct scar to reduce the size of the scar tissue area by shrinking the tissue in the heart, stiffen the floppy portion of the scar tissue, reduce the ventricular systolic wall tension, and increase the overall pumping efficiency of the infarcted heart by eliminating a ventricular aneurism, if present. The heat can be applied to or induced in the infarct scar. Force can also be applied to assist the reduction of the size of the scar area using the device of the present invention which has a heating element and a scissor-like clamp for squeezing two portions of the infarct scar together.
Inventors
- 👤 Michael D. Laufer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:17
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/40; A61N1/403; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/148; A61B18/1442; A61B18/1482; A61B17/00; A61B2017/00017; A61B2017/00115; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2018/00636; A61B2018/00666
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
76 words
A method for treating an infarct scar in a heart, comprising the steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the surface area of the infarct scar; and repeating the placing and energizing steps to treat the entire infarct scar surface.
Claim 2
Independent Claim
76 words
A method for treating an infarct scar in a heart, comprising the steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the surface area of the infarct scar; and repeating the placing and energizing steps to treat the entire infarct scar surface.
Claim 3
Dependent Claim
22 words
The method of claim 1 further comprising the step of: squeezing at least two portions of the infarct scar toward each other.
Claim 4
Dependent Claim
25 words
The method of claim 1 further comprising the steps of: piercing the scar; and squeezing at least two portions of the scar toward each other.
Claim 5
Dependent Claim
53 words
The method of claim 1 further comprising the steps of: providing an apparatus having a heating element having a projection for piercing the scar and means for squeezing at least two portions of the scar toward each other; piercing the scar; and squeezing at least two portions of the scar toward each other.
Claim 6
Dependent Claim
16 words
The method of claim 1 wherein the heating element is energized by applying radio frequency energy.
Claim 7
Dependent Claim
14 words
The method of claim 1 wherein the heating element is energized by resistive heating.
Claim 8
Dependent Claim
26 words
The method of claim 1 wherein the scar is energized to a temperature in the range of about 40 degrees Celsius to about 75 degrees Celsius.
Claim 9
Independent Claim
94 words
A method for training a person to perform a method for treating an infarct scar in a heart, comprising the step of: demonstrating or instructing the performance of the following steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the surface area of the infarct scar; and repeating the placing and energizing steps to treat the entire infarct scar surface.
Claim 10
Independent Claim
94 words
A method for training a person to perform a method for treating an infarct scar in a heart, comprising the step of: demonstrating or instructing the performance of the following steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the surface area of the infarct scar; and repeating the placing and energizing steps to treat the entire infarct scar surface.
Claim 11
Dependent Claim
22 words
The method of claim 8 further comprising the step of: squeezing at least two portions of the infarct scar toward each other.
Claim 12
Dependent Claim
32 words
The method of claim 8 further comprising demonstrating or instructing the performance of the following steps of: piercing the scar; and squeezing at least two portions of the scar toward each other.
Claim 13
Dependent Claim
64 words
The method of claim 8 further comprising the steps of: providing an apparatus having a heating element having a projection for piercing the scar and means for squeezing at least two portions of the scar toward each other; and demonstrating or instructing the performance of the following steps of: piercing the scar; and squeezing at least two portions of the scar toward each other.
Claim 14
Dependent Claim
16 words
The method of claim 8 Wherein the heating element is energized by applying radio frequency energy.
Claim 15
Dependent Claim
14 words
The method of claim 8 wherein the heating element is energized by resistive heating.
Claim 16
Dependent Claim
26 words
The method of claim 8 wherein the scar is energized to a temperature in the range of about 40 degrees Celsius to about 75 degrees Celsius.
Claim 17
Independent Claim
74 words
A method for treating an infarct scar in a heart, comprising the steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the ventricular systolic wall tension; and repeating the placing and energizing steps to treat the entire infarct scar surface.
Claim 18
Independent Claim
74 words
A method for treating an infarct scar in a heart, comprising the steps of: locating and isolating an infarct scar on a mammalian heart; placing a heating element on a floppy tissue surface of the infarct scar; energizing the heating element to raise the temperature of the infarct scar to a temperature sufficient to reduce the ventricular systolic wall tension; and repeating the placing and energizing steps to treat the entire infarct scar surface.
References Cited (Backward Citations)
US4140130A
Cited
US4306561A
Cited
US5409479A
Cited
US4854320A
Cited
US4620550A
Cited
US5484432A
Cited
US5304169A
Cited
US4738250A
Cited
US4765331A
Cited
US4807620A
Cited
US5143063A
Cited
US5246438A
Cited
US5230349A
Cited
US5454809A
Cited
US5114423A
Cited
US4989617A
Cited
US5176135A
Cited
US5133365A
Cited
US5431646A
Cited
US5129895A
Cited
US5259394A
Cited
US5190517A
Cited
US5178145A
Cited
US5522873A
Cited
US5323781A
Cited
US5295955A
Cited
US5370677A
Cited
US5314466A
Cited
US5370678A
Cited
US5261878A
Cited
US5281218A
Cited
US5292332A
Cited
US5311873A
Cited
US5540679A
Cited
US5498260A
Cited
US5454807A
Cited
US5405346A
Cited
US5558671A
Cited
US5431649A
Cited
US5437664A
Cited
US5571216A
Cited
US5447529A
Cited
US5462545A
Cited
US5458596A
Cited
US5529067A
Cited
US5591157A
Cited
US5662643A
Cited
US5551427A
Cited
US5549640A
Cited
US5752518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-06-06 | 2003-12-06 | 2004-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-06-06 | 2007-12-06 | 2008-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-06-06 | 2011-12-06 | 2012-06-06 | $7700.00 | Window Closed / Lapsed |