US20020029783A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minimally-invasive devices and methods for treatment of congestive heart failure
Assignee: Individual
•
Filing: 2001-09-12
•
Granted: —
•
Expires: 2021-09-12
Abstract
Abstract A method of treatment of congestive heart failure comprises the steps of introducing an aortic occlusion catheter through a patient's peripheral artery, the aortic occlusion catheter having an occluding member movable from a collapsed position to an expanded position; positioning the occluding member in the patient's ascending aorta; moving the occluding member from the collapsed shape to the expanded shape after the positioning step; introducing cardioplegic fluid into the patient's coronary blood vessels to arrest the patient's heart; maintaining circulation of oxygenated blood through the patient's arterial system; and reshaping an outer wall of the patient's heart while the heart is arrested so as to reduce the transverse dimension of the left ventricle. The ascending aorta may be occluded and cardioplegic fluid delivered by means of an occlusion balloon attached to the distal end of an elongated catheter positioned transluminally in the aorta from a femoral, subclavian, or other appropriate peripheral artery.
Inventors
- 👤 John Stevens
- 👤 Lee Bolduc
- 👤 Stephen Boyd
- 👤 Brian Donlon
- 👤 Hanson Gifford
- 👤 Philip Houle
- 👤 Daniel Rosenman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:52
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/0247; A61B; A61B17/00; A61B17/00234; A61B17/0057; A61B17/02; A61B17/0218; A61B17/0293; A61B17/04; A61B17/0469; A61B17/06; A61B17/06061; A61B17/12; A61B17/122; A61B17/28; A61B17/29; A61B17/34; A61B17/3417; A61B17/3421; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492; A61B90/00; A61B90/36; A61B90/50; A61F; A61F7/00; A61F7/10; A61B17/0467; A61B17/2909; A61B2017/00017; A61B2017/00022; A61B2017/00039; A61B2017/00044; A61B2017/00048; A61B2017/00053; A61B2017/00238; A61B2017/00243; A61B2017/00247; A61B2017/00575; A61B2017/00831; A61B2017/00867; A61B2017/00902; A61B2017/00907; A61B2017/00946; A61B2017/0237; A61B2017/0243; A61B2017/047; A61B2017/0472; A61B2017/0474; A61B2017/0475; A61B2017/0496; A61B2017/2912; A61B2017/2926; A61B2017/2927; A61B2017/2932; A61B2017/2943; A61B17/30; A61B2017/306; A61B2017/308; A61B17/3403; A61B2017/3405; A61B2017/348; A61B2017/3492; A61B2018/00053; A61B2018/00214; A61B2018/0022; A61B2018/00232; A61B2018/0025; A61B2018/00261; A61B2018/00273; A61B2018/00291; A61B2018/00315; A61B2018/00345; A61B2018/00351; A61B2018/00363; A61B2018/00392; A61B2018/00571; A61B2018/00577; A61B2018/00982; A61B90/06; A61B2090/061; A61B90/30; A61B2090/306; A61F2007/0001; A61F2007/0054; A61F2007/101; A61M1/00; A61M1/36; A61M1/3621; A61M25/00; A61M25/01; A61M25/02; A61M2025/028; A61M2039/027; A61M2039/0279; A61M2202/00; A61M2202/04; A61M2202/0468; A61M2202/047; A61M2205/00; A61M2205/33; A61M2205/3331; A61M2205/3344; A61M2205/3355; A61M2205/36; A61M2205/366; A61M25/10; A61M25/1011
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
114 words
1 . A method of reshaping a patient's heart, comprising the steps of: introducing an aortic occlusion catheter through a patient's peripheral artery, the aortic occlusion catheter having an occluding member movable from a collapsed position to an expanded position; positioning the occluding member in the patient's ascending aorta; moving the occluding member from the collapsed shape to the expanded shape after the positioning step; introducing cardioplegic fluid into the patient's coronary blood vessels to arrest the patient's heart; maintaining circulation of oxygenated blood through the patient's arterial system; and reshaping an outer wall of the patient's heart while the heart is arrested so as to reduce the transverse dimension of the left ventricle.
Claim 2
Dependent Claim
114 words
1 . A method of reshaping a patient's heart, comprising the steps of: introducing an aortic occlusion catheter through a patient's peripheral artery, the aortic occlusion catheter having an occluding member movable from a collapsed position to an expanded position; positioning the occluding member in the patient's ascending aorta; moving the occluding member from the collapsed shape to the expanded shape after the positioning step; introducing cardioplegic fluid into the patient's coronary blood vessels to arrest the patient's heart; maintaining circulation of oxygenated blood through the patient's arterial system; and reshaping an outer wall of the patient's heart while the heart is arrested so as to reduce the transverse dimension of the left ventricle.
Claim 3
Dependent Claim
35 words
2 . The method of claim 1 , wherein the reshaping step is carried out by: removing a portion of a wall of the patient's left ventricle; and closing an opening created by the portion.
Claim 4
Dependent Claim
46 words
3 . The method of claim 1 , wherein: the positioning step is carried out with the occluding member being mounted to a catheter having a lumen therethrough; and the introducing step is carried out with the cardioplegic fluid passing through the lumen in the catheter.
Claim 5
Dependent Claim
70 words
4 . The method of claim 3 , further comprising the steps of: introducing a tissue attaching device into the patient's chest; engaging a first location on a wall of the left ventricle with the tissue attaching device; and manipulating the tissue attaching device to attach the first location to a second location on a wall of the heart so as to reduce the transverse dimension of the left ventricle.
Claim 6
Dependent Claim
27 words
5 . The method of claim 4 , wherein: the introducing step is carried out with the tissue attaching device extending between adjacent ribs in the patient.
Claim 7
Dependent Claim
86 words
6 . A method of reshaping a patient's heart muscle, comprising the steps of: introducing a tissue attaching device into the patient's chest; engaging a first location on a wall of the patient's left ventricle with the tissue attaching device; and manipulating the tissue attaching device to attach the first location to a second location on a wall of the heart so as to reduce the transverse dimension of the left ventricle, the user's hands remaining outside the patient's chest when manipulating the tissue attaching device.
Claim 8
Dependent Claim
86 words
6 . A method of reshaping a patient's heart muscle, comprising the steps of: introducing a tissue attaching device into the patient's chest; engaging a first location on a wall of the patient's left ventricle with the tissue attaching device; and manipulating the tissue attaching device to attach the first location to a second location on a wall of the heart so as to reduce the transverse dimension of the left ventricle, the user's hands remaining outside the patient's chest when manipulating the tissue attaching device.
Claim 9
Dependent Claim
83 words
7 . The method of claim 6 , further comprising the steps of: introducing a cutter into the patient's chest, the cutter having a manually operable actuator; cutting a portion of a patient's left ventricle from the heart with the cutter, the user's hands being outside the patient's chest when actuating the manually operable actuator; and removing the portion of the patient's heart muscle; the manipulating step being carried out to close an opening in the patient's heart formed by the removing step.
Claim 10
Dependent Claim
26 words
8 . The method of claim 7 , wherein: the introducing steps are carried out by passing the cutter and tissue attaching device between adjacent ribs.
Claim 11
Dependent Claim
23 words
9 . The method of claim 6 , wherein: the manipulating step is carried out without cutting through the wall of the heart.
Claim 12
Dependent Claim
36 words
10 . The method of claim 6 , wherein: the manipulating step comprises folding a section of the heart wall between the first and second locations so as to reduce the size of the left ventricle.
Claim 13
Dependent Claim
25 words
11 . The method of claim 6 , wherein: the manipulating step comprises attaching a portion of the left ventricular wall to the interventricular septum.
Claim 14
Dependent Claim
37 words
12 . The method of claim 6 , further comprising measuring the size of the left ventricle before the step of manipulating using a sizing instrument introduced into the chest while maintaining the hands outside the chest.
Claim 15
Dependent Claim
23 words
13 . The method of claim 6 , wherein: the manipulating step is carried out while viewing the heart using a viewing scope.
Claim 16
Dependent Claim
24 words
14 . The method of claim 6 , wherein: each of said steps is carried out while maintaining the patient's ribs and sternum intact.
References Cited (Backward Citations)
US5433700A
Cited
US6125852A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.