Search

Dirk Muessig Phones & Addresses

  • 3053 Roxbury Dr, West Linn, OR 97068 (503) 915-6684
  • 4176 Riverview Ave, West Linn, OR 97068 (503) 722-0066
  • Tualatin, OR
  • Clackamas, OR
  • 3053 Roxbury Dr, West Linn, OR 97068 (503) 722-0066

Work

Company: Micro systems engineering Jun 2020 Position: Vp, system design and development

Education

Degree: High school graduate or higher

Skills

Medical Devices • Biomedical Engineering • Cardiology • Fda • Cross Functional Team Leadership • Product Development • Market Development • Iso 13485 • Capital Equipment • Healthcare • Clinical Research • U.s. Food and Drug Administration • R • Design Control

Industries

Medical Devices

Resumes

Resumes

Dirk Muessig Photo 1

Vp, System Design And Development

View page
Location:
904 west Diversey Pkwy, Chicago, IL 60614
Industry:
Medical Devices
Work:
Micro Systems Engineering
Vp, System Design and Development

Biotronik
Senior Director Clinical and Applied Research at Biotronik
Skills:
Medical Devices
Biomedical Engineering
Cardiology
Fda
Cross Functional Team Leadership
Product Development
Market Development
Iso 13485
Capital Equipment
Healthcare
Clinical Research
U.s. Food and Drug Administration
R
Design Control

Publications

Us Patents

System And Method Of Using Regression Models To Estimate Vulnerable Periods For Heart Stimulation Parameters

View page
US Patent:
7603172, Oct 13, 2009
Filed:
Nov 15, 2006
Appl. No.:
11/560141
Inventors:
Jie Lian - Beaverton OR, US
Dirk Muessig - West Linn OR, US
Volker Lang - West Linn OR, US
Assignee:
Biotronik CRM Patent AG - Baar
International Classification:
A61N 1/362
US Classification:
607 14, 607 9, 607 15, 607 17, 607 25
Abstract:
Heart stimulator that provides for timing a premature stimulation pulse for anti-tachycardia pacing outside the vulnerable phase of a ventricle, to terminate stable ventricular tachycardia while minimizing the risk of accelerating stable ventricular tachycardia into unstable ventricular tachycardia or ventricular fibrillation. RT interval is determined instead of QT interval. Conventional QT interval is defined to end at T wave offset, which is difficult to measure because inherent imprecision in identifying the end of T wave from surface ECG. For safe ATP, such problems may be avoided. Because the VP usually refers to the portion of the T wave near the peak and early downslope (FIG. ), in order to avoid the VP, only need to determine the peak of T wave, then set an blanking window or safety margin (e. g. , 20 ms before to 20 ms after the peak of T wave) during which ATP pulses should not be delivered.

Heart Stimulator With Override For Stimulation Exceeding A Maximum Rate

View page
US Patent:
7693575, Apr 6, 2010
Filed:
Nov 27, 2006
Appl. No.:
11/563279
Inventors:
Dirk Muessig - West Linn OR, US
Kurt Swenson - Dayton OR, US
Assignee:
Biotronik CRM Patent AG
International Classification:
A61N 1/362
US Classification:
607 9, 607 14, 607 15, 607 27, 607 28
Abstract:
A heart stimulator for electrical stimulation of a heart chamber includes a sensing stage sensing excitation of the heart chamber via an electrode lead having an electrode for picking up heart chamber electric potentials, a stimulation pulse generator generating electric stimulation pulses for delivery to the heart chamber via a stimulation electrode, and a control unit connected to the sensing stage and the stimulation pulse generator and being adapted to trigger the stimulation pulses at a controlled stimulation rate. A monitoring stage is provided for preventing too high of a stimulation rate for too long of a period of time, with the monitoring stage being connected to the control unit and being adapted to monitor the controlled stimulation rate, and to override the controlled stimulation rate by a fixed stimulation rate for a predetermined period of time if the average controlled stimulation rate exceeds a predetermined maximum rate.

Atrial Heart Stimulator Apparatus And Method

View page
US Patent:
7761163, Jul 20, 2010
Filed:
Jun 12, 2006
Appl. No.:
11/451138
Inventors:
Christopher S. de Voir - Tigard OR, US
Jie Lian - Beaverton OR, US
Richard A. Schomburg - Hillsboro OR, US
Duane Patterson - Tigard OR, US
Hannes Kraetschmer - West Linn OR, US
Dirk Muessig - West Linn OR, US
Assignee:
Biotronik CRM Patent AG - Baar
International Classification:
A61N 1/362
US Classification:
607 28, 607 9, 607 14
Abstract:
The invention relates to heart stimulators and implantable atrial pacemakers which utilize a rhythm based atrial capture threshold test wherein in a ventricle based DDI mode a predetermined number of ventricle started atrial and ventricular escape intervals are triggered with an overdrive rate about 20% higher than an intrinsic heart rate. The number of atrial sense events during atrial capture threshold test is counted. Too high of a number of atrial sense events indicates loss of capture due to too small of a pulse strength of the atrial stimulation pulses.

Method And Apparatus For Reducing Far-Field Interchamber Interference In An Implanted Medical Device

View page
US Patent:
7822475, Oct 26, 2010
Filed:
Dec 17, 2004
Appl. No.:
11/015561
Inventors:
Richard A. Schomburg - Hillsboro OR, US
Christopher S. de Voir - Tigard OR, US
Dirk Muessig - West Linn OR, US
Assignee:
Biotronik CRM Patent AG
International Classification:
A61N 1/365
US Classification:
607 27, 600510
Abstract:
An implantable medical device comprises at least two sensing channels for receiving sensed first and second location electrical signals originating from two different locations of a heart. A control unit is connected to the sensing channels and is adapted to process sensed electrical signals originating from first and second locations of the heart. The control unit incorporates an adaptive filter compensator adapted to generate an estimate signal for compensating a far-field contribution of the second location signal to the first location signal, thereby generating an output signal representing a near field signal originating from the first location. A gate is connected to the second location sensing channel and is adapted to enable the adaptive filter compensator only if a predetermined signal is sensed via the second location sensing channel.

Implantable Cardiac Device

View page
US Patent:
7835792, Nov 16, 2010
Filed:
Apr 30, 2007
Appl. No.:
11/742377
Inventors:
Jie Lian - Beaverton OR, US
Dirk Muessig - West Linn OR, US
Assignee:
Biotronik CRM Patent AG - Baar
International Classification:
A61N 1/365
US Classification:
607 17
Abstract:
A heart stimulator is adapted to adapt an atrioventricular delay interval or an interventricular delay interval or both during night time by adding a delay interval to a respective daytime interval, and the device statistics for day and night are calculated, stored, and can be displayed separately.

Medical Device For Monitoring Biological Signals

View page
US Patent:
7899520, Mar 1, 2011
Filed:
May 21, 2008
Appl. No.:
12/124499
Inventors:
Jie Lian - Beaverton OR, US
Garth Garner - Tigard OR, US
Dirk Muessig - West Linn OR, US
Volker Lang - West Linn OR, US
Assignee:
BIOTRONIK CRM Patent AG
International Classification:
A61B 5/04
US Classification:
600509
Abstract:
A medical device having a sensor for sampling a biological signal, the biological signal representing a signal waveform and forming a waveform vector composed of the biological signal samples, and a memory for storing a least two threshold vectors composed of boundary samples representing at least two boundaries related to the biological signal defining subspaces for the biological signal samples. One threshold vector is an upper threshold vector composed of upper boundary samples and the other threshold vector is a lower threshold vector composed of lower boundary samples. An evaluation unit connected to the sensor determines a similarity index (ASCI) by comparing each of the biological signal samples of the waveform vector to corresponding boundary samples of the threshold vectors, thus determining to which subspace each biological signal sample belongs to and creating a trichotomized signal vector, and calculating the signed correlation product of two trichotomized signal vectors.

Implantable Medical Devices Evaluating Thorax Impedance

View page
US Patent:
7970462, Jun 28, 2011
Filed:
May 29, 2007
Appl. No.:
11/754973
Inventors:
Sharon Lefkov - Portland OR, US
David F. Hastings - Lake Oswego OR, US
Christopher S. de Voir - Tigard OR, US
Garth Garner - Tigard OR, US
Dirk Muessig - West Linn OR, US
Hannes Kraetschmer - West Linn OR, US
Assignee:
Biotronik CRM Patent AG - Baar
International Classification:
A61B 5/02
A61B 5/08
A61B 5/05
A61N 1/00
US Classification:
600547, 600484, 600485, 600486, 600506, 600538, 607 2, 607 18
Abstract:
Implantable medical device with an impedance determination unit with constant current/voltage source having current feed terminals connected to electrodes for intracorporal placement which generates measuring current pulses having constant current/voltage, for causing a current through a body via intracorporally placed electrodes, a measuring unit for measuring voltage/current strength of voltage/current fed through body, an impedance value determination unit connected to the current/voltage source and adapted to determine an impedance value for each measuring current pulse, and an impedance measuring control and evaluation unit connected to the impedance determination unit which controls the unit and evaluates a sequence of consecutive impedance values, the impedance determination unit further adapted to determine at least intrathoracic and intracardiac impedance values for same period of time, the intrathoracic values sampled with a lower sampling rate than the intracardiac values.

Heart Monitoring Apparatus

View page
US Patent:
7985185, Jul 26, 2011
Filed:
Jun 3, 2008
Appl. No.:
12/132477
Inventors:
Christopher S. De Voir - Tigard OR, US
Dirk Muessig - West Linn OR, US
Sharon Lefkov - Portland OR, US
Michael V. Orlov - Brookline MA, US
Assignee:
Biotronik CRM Patent AG - Baar
International Classification:
A61B 5/04
A61B 5/02
US Classification:
600508, 600374, 600483, 600509
Abstract:
Heart monitoring apparatus with sensing stage connectable to intracardiac electrode picking up electric potentials and adapted to process electric signals representing a time course of said potentials, a mechanical action detection stage adapted to generate a geometry signal having a time course reflecting heart chamber's geometry change, an evaluation unit connected to sensing stage and impedance measuring stage and adapted to determine a first and second fiducial point in the time course of said potentials and geometry signal, respectively, both fiducial points belonging to same heart cycle, and to determine a measured time delay between said fiducial points. Evaluation unit adapted to repeat said determined time delay to determine plurality of measured time delays and variance thereof or divergence of the statistical properties of cycle times based on said time course of said electric potentials versus cycle times based on said time course reflecting a change of a heart chamber's geometry.
Dirk Muessig from West Linn, OR, age ~54 Get Report