John G Hauck

US Patent:

6556872, Apr 29, 2003

Filed:

Dec 5, 2000

Appl. No.:

09/730346

Inventors:

John A. Hauck - Shoreview MN

Assignee:

EV Vascular, Inc. - Shoreview MN

International Classification:

A61N 108

US Classification:

607 62, 607 2, 607 4, 607 9

Abstract:

An apparatus and method for conferring a therapeutic current on the heart and adjacent vasculature from externally positioned electrodes is provided. The apparatus includes a first electrode, a second electrode and a current generator. The method includes applying an electric stimulus to the heart and maintaining the timing and/or level of current to prevent unwanted depolarization.

US Patent:

6560489, May 6, 2003

Filed:

Jan 8, 2001

Appl. No.:

09/756567

Inventors:

John A. Hauck - Shoreview MN

Assignee:

EM Vascular, Inc. - Shoreview MN

International Classification:

A61N 108

US Classification:

607 62, 607 2

Abstract:

An apparatus and method for conferring a therapeutic current to the heart is provided. The apparatus includes a first electrode, a second electrode, a current generator and a controller. The apparatus may further include a sensor. The sensor is generally configured to measure field strength between the first and second electrode. The sensor may also monitor the cardiac cycle. The method includes applying an electric stimulus to the heart and sensing the electric field generated by the electric stimulus to prevent the level of current from inducing unwanted depolarization.

US Patent:

6640119, Oct 28, 2003

Filed:

Apr 12, 2000

Appl. No.:

09/547690

Inventors:

Jeffrey Robert Budd - St. Paul MN
Graydon Ernest Beatty - St. Paul MN
John Anderson Hauck - Shoreview MN

Assignee:

Endocardial Solutions, Inc. - St. Paul MN

International Classification:

A61B 504

US Classification:

600374, 600382, 600509

Abstract:

A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

US Patent:

6728562, Apr 27, 2004

Filed:

Apr 12, 2000

Appl. No.:

09/547464

Inventors:

Jeffrey Robert Budd - St. Paul MN
Graydon Ernest Beatty - St. Paul MN
John Anderson Hauck - Shoreview MN

Assignee:

Endocardial Solutions, Inc. - St. Paul MN

International Classification:

A61B 504

US Classification:

600374, 600547

Abstract:

A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

US Patent:

6939309, Sep 6, 2005

Filed:

Apr 12, 2000

Appl. No.:

09/548057

Inventors:

Graydon Beatty - St. Paul MN, US
Jeffrey Budd - St. Paul MN, US
John Hauck - Shoreview MN, US

International Classification:

A61B005/04

US Classification:

600508, 600509

Abstract:

A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

US Patent:

6947785, Sep 20, 2005

Filed:

Apr 12, 2000

Appl. No.:

09/547476

Inventors:

Graydon Ernest Beatty - St. Paul MN, US
Jonathan Kagan - Minneapolis MN, US
Jeffrey Robert Budd - St. Paul MN, US
John Anderson Hauck - Shoreview MN, US

International Classification:

A61B005/05

US Classification:

600427

Abstract:

A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

US Patent:

6990370, Jan 24, 2006

Filed:

Apr 12, 2000

Appl. No.:

09/547543

Inventors:

Graydon Ernest Beatty - St. Paul MN, US
Jeffrey Robert Budd - St. Paul MN, US
John Anderson Hauck - Shoreview MN, US

International Classification:

A61B 5/04
A61B 5/05

US Classification:

600509, 600508, 600424

Abstract:

A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

US Patent:

7039467, May 2, 2006

Filed:

Mar 13, 2003

Appl. No.:

10/388073

Inventors:

John A. Hauck - Shoreview MN, US

Assignee:

EM Vascular, Inc. - Shoreview MN

International Classification:

A61N 1/362

US Classification:

607 62, 607 9

Abstract:

An apparatus and method for conferring a therapeutic current to the heart is provided. The apparatus includes a first electrode, a second electrode, a current generator and a controller. The apparatus may further include a sensor. The sensor is generally configured to measure field strength between the first and second electrode. The sensor may also monitor the cardiac cycle. The method includes applying an electric stimulus to the heart and sensing the electric field generated by the electric stimulus to prevent the level of current from inducing unwanted depolarization.