Catherter for measuring an intraventricular pressure and method of using same
First Claim
Patent Images
1. A pressure monitoring device for monitoring a right intraventricular pressure in a heart having a right ventricle, the right ventricle having electrically excitable tissues and electrically non-excitable tissues, the right ventricle being in fluid communication with a pulmonary artery, said device comprising:
- a. a pressure measuring portion for measuring the right intraventricular pressure, said pressure measuring portion being insertable within the right ventricle; and
b. a stabilizer connected to said pressure measuring portion for stabilising said pressure monitoring device such that when said pressure measuring portion is positioned within the right ventricle for measuring the intraventricular pressure therein, said pressure monitoring device is spaced from the electrically excitable tissues of the right ventricle.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for diagnosing a right ventricular dysfunction of a subject. The method includes measuring a right intraventricular pressure waveform in the subject over at least one cardiac cycle, extracting a ventricular parameter indicative of a right ventricular function from the measured right intraventricular pressure waveform, and establishing a diagnosis at least in part on a basis of the ventricular parameter.
89 Citations
36 Claims
-
1. A pressure monitoring device for monitoring a right intraventricular pressure in a heart having a right ventricle, the right ventricle having electrically excitable tissues and electrically non-excitable tissues, the right ventricle being in fluid communication with a pulmonary artery, said device comprising:
-
a. a pressure measuring portion for measuring the right intraventricular pressure, said pressure measuring portion being insertable within the right ventricle; and
b. a stabilizer connected to said pressure measuring portion for stabilising said pressure monitoring device such that when said pressure measuring portion is positioned within the right ventricle for measuring the intraventricular pressure therein, said pressure monitoring device is spaced from the electrically excitable tissues of the right ventricle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A method for diagnosing a right ventricular dysfunction of a subject, said method comprising the steps of:
-
a. measuring a right intraventricular pressure waveform in the subject over at least one cardiac cycle;
b. extracting a ventricular parameter indicative of a right ventricular function from the measured right intraventricular pressure waveform; and
c. establishing a diagnosis at least in part on a basis of the ventricular parameter. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 35, 36)
-
-
29. A method for monitoring a right ventricular function of a subject having a right ventricle, said method comprising the steps of:
-
a. inserting a pressure monitoring device in the right ventricle of the subject;
b. measuring a right intraventricular pressure waveform in the subject over a plurality of cardiac cycles; and
c. extracting a ventricular parameter indicative of a right ventricular function from the measured waveform for at least some cardiac cycles from the plurality of cardiac cycles.
-
-
31. A method for classifying a subject as being likely to experience complications during a surgery, said method comprising the steps of:
-
a. measuring a right intraventricular pressure waveform in the subject over at least one cardiac cycle prior to the surgery;
b. extracting a ventricular parameter indicative of a right ventricular function from the measured waveform; and
c. establishing a likelihood of occurrence of complications during the surgery at least in part on a basis of the ventricular parameter. - View Dependent Claims (32, 33, 34)
-
Specification