Othmar Wess, PhD
Physicist, since 1979 working in the field of medical shock wave application. Experienced in basic research in shock wave generation and focusing, product development and marketing at STORZ MEDICAL. Since 2010 consultant.
8574 Oberhofen, Switzerland

Hoy NY et al, 2016: Are We Banging Our Heads Against the Wall? The Effect of Treatment Head Wear on the Outcomes of Extracorporeal Shockwave Lithotripsy.

Hoy NY, Shapka L, Rudzinski J, Schuler TD, Wollin TA, Bochinski D, De SK.
Division of Urology, University of Alberta , Edmonton, Canada.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Comment currently not available.
Tuesday, 20 June 2017 07:26
605 Hits
1 Comment

Ohl SW et al, 2016: Lithotripter shock wave interaction with a bubble near various biomaterials.

Ohl SW, Klaseboer E, Szeri AJ, Khoo BC.
Institute of High Performance Computing, 1 Fusionopolis Way #16-16 Connexis, 138632, Singapore.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Cavitation bubbles are considered playing an important role in shockwave lithotripsy. In vitro experiments show that bubbles colla... Read More
Tuesday, 13 June 2017 07:09
634 Hits
1 Comment

Wang KG, 2016: Multiphase Fluid-Solid Coupled Analysis of Shock-Bubble-Stone Interaction in Shockwave Lithotripsy.

Wang KG
Department of Aerospace and Ocean Engineering, Virginia Tech, Blacksburg, 24061, VA, USA.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
The title of the paper indicates a direct impact on shockwave lithotripsy. Since cavitation and shockwave interaction with bubbles... Read More
Monday, 10 April 2017 10:25
712 Hits
1 Comment

Ghorbani M et al, 2016: Review on Lithotripsy and Cavitation in Urinary Stone Therapy

Ghorbani M, Oral O, Ekici S, Gozuacik D, Kosar A.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This is a comprehensive review for all being interested in shock wave lithotripsy and the role of cavitation in urinary stone frag... Read More
Friday, 10 March 2017 14:19
847 Hits
1 Comment

Zhang Y et al, 2016: Effects of Stone Size on the Comminution Process and Efficiency in Shock Wave Lithotripsy.

Zhang Y, Nault I, Mitran S, Iversen ES, Zhong P.
Department of Mathematics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Department of Statistical Science, Duke University, Durham, North Carolina, USA.
Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This is a nice proof for what has been known or assumed for long. Comminution of a certain mass of stone material is more efficien... Read More
Monday, 06 March 2017 07:27
836 Hits
1 Comment

Wang JC, Zhou Y. 2016: Shifting the Split Reflectors to Enhance Stone Fragmentation of Shock Wave Lithotripsy.

Wang JC, Zhou Y
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
The authors start their study by the hypothesis that focal size has a decisive impact on lithotripsy performance. They follow the ... Read More
Tuesday, 01 November 2016 12:59
1695 Hits
1 Comment

Duryea AP et al, 2015: Removal of residual cavitation nuclei to enhance histotripsy erosion of model urinary stones.

Duryea AP, Roberts WW, Cain CA, Hall TL

Continue reading
Rate this blog entry:
1
Recent comment in this post
Othmar Wess
This is another paper of Duryea and co-workers being about cavitation nuclei and their impact on kidney stone treatment by histotr... Read More
Monday, 28 September 2015 07:39
6160 Hits
1 Comment
Featured

de Icaza-Herrera M et al, 2015: Combined short and long-delay tandem shock waves to improve shock wave lithotripsy according to the Gilmore-Akulichev theory.

de Icaza-Herrera M, Fernández F, Loske AM
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Querétaro, Qro. 76230, Mexico.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Cavitation plays an important role in extracorporeal shock wave lithotripsy. To achieve high fragmentation efficiency and low tiss... Read More
Monday, 22 June 2015 11:07
8909 Hits
1 Comment

Duryea AP et al, 2015: Removal of residual nuclei following a cavitation event using low-amplitude ultrasound.

Duryea AP, Cain CA, Tamaddoni HA, Roberts WW, Hall TL.

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Cavitation bubbles may occur during shock wave lithotripsy and high energy ultrasound application. They may support stone fragment... Read More
Monday, 20 April 2015 10:37
6026 Hits
1 Comment

Maxwell AD et al, 2015: Fragmentation of Urinary Calculi in Vitro by Burst Wave Lithotripsy.

Maxwell AD, Cunitz BW, Kreider W, Sapozhnikov OA, Hsi RS, Harper JD, Bailey MR, Sorensen MD
Center for Industrial and Medical Ultrasound, Applied Physics Laboratory, University of Washington, Seattle, Washington;
Department of Acoustics, Physics Faculty, Moscow State University, Moscow, Russia.
Department of Urology, School of Medicine, University of Washington, Seattle, Washington

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Obviously, ultrasound seems to be a logic alternative instead of shock waves for stone fragmentation. Promising in vitro results a... Read More
Tuesday, 10 February 2015 12:36
7842 Hits
1 Comment

Wang JC et al, 2014: Suppressing bubble shielding effect in shock wave lithotripsy by low intensity pulsed ultrasound.

Wang JC, Zhou Y
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Gas bubbles and cavitation bubbles in particular have a significant impact on shock wave propagation. The energy of shock waves pa... Read More
Monday, 15 December 2014 12:30
6710 Hits
1 Comment

Vlaisavljevich E et al, 2014: Histotripsy-induced cavitation cloud initiation thresholds in tissues of different mechanical properties

Vlaisavljevich E, Maxwell A, Warnez M, Johnsen E, Cain CA, Xu Z

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This article deals with cavitation and cavitation clouds generated by 1 MHz ultrasound pulses with respect to soft tissues oft dif... Read More
Wednesday, 14 May 2014 13:01
7851 Hits
1 Comment

Rad AJ et al, 2014: Investigation on the comparability of the light spot hydrophone and the fiber optic hydrophone in lithotripter field measurements

Rad AJ, Ueberle F, Krueger K
Department Life Sciences, Hamburg University of Applied Sciences, Hamburg 21033, Germany
Department Mechanical Engineering, Helmut Schmidt University, Hamburg 22043, Germany

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This paper digs into the problems of measuring shock wave pressure profiles. Contemporary lithotripters feature extreme high press... Read More
Monday, 12 May 2014 12:59
8266 Hits
1 Comment

Kang G et al, 2014: Characterization of the shock pulse-induced cavitation bubble activities recorded by an optical fiber hydrophone

Kang G, Cho SC, Coleman AJ, Choi MJ
Interdisciplinary Postgraduate Program in Biomedical Engineering, Jeju National University, 102 Jejudaehakno, Jeju-Si, Jeju Special Self-Governing Province, 690-756, Republic of Korea
KORUST Limited, B-#716,717, Keumkang Penterium IT Tower, 282 Hagui-Ro, Dongan-Gu, Anyang-Si, Gyeonggi-Do, 431-810, Republic of Korea
Medical Physics Department, Guy's and St. Thomas' National Health Service Foundation Trust, Lambeth Palace Road, London, SE1 7EH, United Kingdom
Department of Medicine, Jeju National University, 102 Jejudaehakno, Jeju-Si, Jeju Special Self-Governing Province, 690-756, Republic of Korea

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Shock wave pressure measurements by optical fibre hydrophones (FOPH) usually provide pressure signals which are well correlated wi... Read More
Monday, 05 May 2014 12:56
8154 Hits
1 Comment

Neisius A et al, 2014: Improving the lens design and performance of a contemporary electromagnetic shock wave lithotripter

Neisius A, Smith NB, Sankin G, Kuntz NJ, Madden JF, Fovargue DE, Mitran S, Lipkin ME, Simmons WN, Preminger GM, Zhong P
Division of Urologic Surgery and Department of Pathology, Duke University Medical Center, Durham, NC 27710

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This is the second paper dealing with a new lens design for an electromagnetic lithotripter. See also previous review: 70. Smith ... Read More
Monday, 28 April 2014 12:53
7910 Hits
1 Comment

Vlaisavljevich E et al, 2014: Histotripsy-induced cavitation cloud initiation thresholds in tissues of different mechanical properties

Vlaisavljevich E, Maxwell A, Warnez M, Johnsen E, Cain CA, Xu Z

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This article deals with cavitation and cavitation clouds generated by 1 MHz ultrasound pulses with respect to soft tissues oft dif... Read More
Monday, 03 March 2014 14:37
7685 Hits
1 Comment

Rad AJ et al, 2014: Investigation on the comparability of the light spot hydrophone and the fiber optic hydrophone in lithotripter field measurements

Rad AJ, Ueberle F, Krueger K
Department Life Sciences, Hamburg University of Applied Sciences, Hamburg 21033, Germany
Department Mechanical Engineering, Helmut Schmidt University, Hamburg 22043, Germany

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This paper digs into the problems of measuring shock wave pressure profiles. Contemporary lithotripters feature extreme high press... Read More
Monday, 17 February 2014 14:35
7970 Hits
1 Comment

Kang G et al, 2014: Characterization of the shock pulse-induced cavitation bubble activities recorded by an optical fiber hydrophone

Kang G, Cho SC, Coleman AJ, Choi MJ
Interdisciplinary Postgraduate Program in Biomedical Engineering, Jeju National University, 102 Jejudaehakno, Jeju-Si, Jeju Special Self-Governing Province, 690-756, Republic of Korea
KORUST Limited, B-#716,717, Keumkang Penterium IT Tower, 282 Hagui-Ro, Dongan-Gu, Anyang-Si, Gyeonggi-Do, 431-810, Republic of Korea
Medical Physics Department, Guy's and St. Thomas' National Health Service Foundation Trust, Lambeth Palace Road, London, SE1 7EH, United Kingdom
Department of Medicine, Jeju National University, 102 Jejudaehakno, Jeju-Si, Jeju Special Self-Governing Province, 690-756, Republic of Korea

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Shock wave pressure measurements by optical fibre hydrophones (FOPH) usually provide pressure signals which are well correlated wi... Read More
Monday, 03 February 2014 14:38
7976 Hits
1 Comment

Neisius A et al, 2014: Improving the lens design and performance of a contemporary electromagnetic shock wave lithotripter

Neisius A, Smith NB, Sankin G, Kuntz NJ, Madden JF, Fovargue DE, Mitran S, Lipkin ME, Simmons WN, Preminger GM, Zhong P
Division of Urologic Surgery and Department of Pathology, Duke University Medical Center, Durham, NC 27710

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This is the second paper dealing with a new lens design for an electromagnetic lithotripter. See also previous review: 70. Smith ... Read More
Friday, 31 January 2014 14:40
7773 Hits
1 Comment

Smith NB et al, 2013: A heuristic model of stone comminution in shock wave lithotripsy

Smith NB, Zhong P
Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
After more than 30 years the mechanism of stone fragmentation in lithotripsy is still not completely understood. Understanding bas... Read More
Tuesday, 05 November 2013 14:59
6733 Hits
1 Comment

Fovargue D.E. et al, 2013: Experimentally validated multiphysics computational model of focusing and shock wave formation in an electromagnetic lithotripter

Fovargue DE, Mitran S, Smith NB, Sankin GN, Simmons WN, Zhong P
Department of Mathematics, University of North Carolina at Chapel Hill, 329 Phillips Hall, CB 3250, Chapel Hill, North Carolina 27599, USA

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Daniel Fovargue et al. developed a novel computational model to calculate the acoustic field of an electromagnetic lithotripter wi... Read More
Monday, 04 November 2013 14:45
6464 Hits
1 Comment

Alibakhshi MA et al, 2013: Single-shot measurements of the acoustic field of an electrohydraulic lithotripter using a hydrophone array

Alibakhshi MA, Kracht JM, Cleveland RO, Filoux E, Ketterling JA
Department of Mechanical Engineering, Boston University, 110 Cummington Street, Boston, Massachusetts 02215, USA

Continue reading
Rate this blog entry:
0
Recent Comments
Othmar Wess
The extraordinary technical and medical importance of this paper is based on the type of measuring the shock wave field of an elec... Read More
Monday, 16 September 2013 13:05
6435 Hits
2 Comments
Featured

Zhou Y et al, 2012: Characteristics of the secondary bubble cluster produced by an electrohydraulic shock wave lithotripter

Zhou Y, Qin J, Zhong P
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
From a physical point of view the paper of Zhou, Qin and Zhong is very interesting since it investigates for the first time a uniq... Read More
Thursday, 05 April 2012 06:28
10233 Hits
1 Comment

Cárcamo JJ et al, 2011: Raman study of the shockwave effect on collagens

Cárcamo JJ, Aliaga AE, Clavijo RE, Brañes MR, Campos-Vallette MM
Laboratory of Vibrational Spectroscopy, Faculty of Sciences, University of Chile, PO Box 653, Santiago, Chile

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Shock waves are not only used for stone fragmentation but for many different diseases such as chronic pelvic pain syndrome, chroni... Read More
Thursday, 17 November 2011 00:00
6502 Hits
1 Comment

Kreider W et al, 2011: A reduced-order, single-bubble cavitation model with applications to therapeutic ultrasound

Kreider W, Crum LA, Bailey MR, Sapozhnikov OA
Center for Industrial and Medical Ultrasound, Applied Physics Laboratory, University of Washington, 1013 Northeast 40th Street, Seattle, Washington 98105, USA

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
This paper digs into details of bubble dynamics. Cavitation is considered an important mechanism of stone fragmentation. However, ... Read More
Tuesday, 18 October 2011 08:27
6567 Hits
1 Comment

Pishchalnikov YA et al, 2011: Bubble proliferation in the cavitation field of a shock wave lithotripter

Pishchalnikov YA, Williams JC, McAteer JA
Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
SWL at low pulse repetition frequency (PRF) (0.5 -1 Hz vs. 2 Hz or higher) turned out to be more effective in clinical routine tre... Read More
Friday, 02 September 2011 15:35
6465 Hits
1 Comment

Kobayashi K et al, 2011: Shock wave-bubble interaction near soft and rigid boundaries during lithotripsy: numerical analysis by the improved ghost fluid method

Kobayashi K, Kodama T, Takahira H
Division of Mechanical and Space Engineering, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan

Continue reading
Rate this blog entry:
0
Recent comment in this post
Othmar Wess
Cavitation is an important phenomenon in shock wave lithotripsy (SWL) and is considered a major mechanism for tissue damage as wel... Read More
Friday, 26 August 2011 15:24
6476 Hits
1 Comment
STORZ MEDICAL AG
Lohstampfestrasse 8
8274 Tägerwilen
Switzerland
Tel.: +41 (0)71 677 45 45
Fax: +41 (0)71 677 45 05

www.storzmedical.com
Personal data
Address
Contact data
Message