Clinical experiences with a new frequency-doubled double-pulse Nd:YAG laser (FREDDY) for the treatment of urolithiasis

Proceedings of SPIE-The International Society for Optical Engineering

Volumn 4609, Issue , 2002, Pages 128-136

  Tischer, Christian F ^a,c   Koort, Hans Joachim ^a,d   Bazo, Alvaro ^b   Rasch, Ralf ^a,d   Thiede, Christoph ^a,d  

^a World of Medicine AG   (Germany)

^b NORTH MANCHESTER GENERAL HOSPITAL   (United Kingdom)

^c World of Medicine Inc   (United States)

^d World of Medicine AG   (Germany)

Author keywords

Biliary calculi; Freddy technology; Intracorporal stone management; Intrinsic safety; Plasma; Shockwave lithotripsy; Urinary calculi; Urolithiasis

Indexed keywords

ENDOSCOPY; LASER PULSES; LASER SAFETY; NEODYMIUM LASERS; PHOTOMECHANICS; TISSUE; UROLOGY;

CHOLELITHIASIS; UROLITHIASIS;

LASER SURGERY;

EID: 0036399921     PISSN: 0277786X     EISSN: None     Source Type: Journal    
DOI: 10.1117/12.437347     Document Type: Article

References (19)

1. A. Hofstetter, "[Laser-science fiction or a new dimension in medicine]?", Urologe A. 24(6):310-2. Nov 1985.
2. M. Zerbib, T. Flam, M. Belas, B. Debre, A. Steg, "Clinical experience with a new pulsed dye laser for ureteral stone lithotripsy", J. Clin Laser Med Surg., 8(6): 31-3. 1990 Dec.
3. S.P. Dretler, "An evaluation of ureteral laser lithotripsy: 225 consecutive patients.", J. Urol., 143(2):267-72. 1990 Feb.
4. J.R. Gautier, P. Leandri, G. Rossignol, J. Caissel, H. Quintens, "Pulsed dye laser in the treatment of 325 calculi of the urinary tract.", Eur Urol. 18(1):6-9. 1990.
5. R.W. Santa-Cruz R.W., R.J. Leveillee, A. Krongrad, "Ex vivo comparison of four lithotripters commonly used in the ureter: what does it take to perforate?", J. Endourol. Oct;12(5):417-22. 1998.
6. M. Grasso, Y. Chalik, "Principles and Applications of Laser Lithotripsy: Experience with the Holmium Laser Lithotrite", J. Clinical Laser Medicine & Surgery, 16(1): 3-7. 1998.
7. G.S. Freiha, R.D. Glickman, J.M. Teichman, "Holmium:YAG laser-induced damage to guidewires: experimental study", J. Endourol., 11(5):331-6. Oct 1997.
8. G. Müller, J. Helfmann, V.P. Pashinin et al., "New alternative for laser lithotripsy, long pulse passively q-switched solid-state laser with fibre-based resonator", SPIE Vol 2086 Med. Applications of Lasers (1993).
9. J. Hochberger, J. Bayer, S. Tex, J. Maiss, J. Tschepe, E.G. Hahn, "Frequenzverdoppelter Doppelpuls ND:YAG Laser (FREDDY) für die Gallensteinlithotripsie-Präklinische und erste klinische Ergebnisse", Biomedizinische Technik "Laseranwendungen III", 442:330, 1997.
10. J. Helfmann, Untersuchung der physikalischen Phänomene bei der Zertrümmerung von Körperkonkrementen durch laserinduzierte Plasmen, Advances in Laser Medicine, Landsberg; Zürich: ecomed 1992.
11. J. Helfmann, G. Müller, "Laser lithotripsy: Process and Overview", Med. Laser Appl. 16:30-37 (2001).
12. T. Zörcher, J. Hochberger, K.M. Schrott et al., "In vitro study concerning the efficiency of the Frequency-doubled Double-Pulse Neodymium:YAG Laser (FREDDY) for Lithotripsy of Calculi in the Urinary tract", Lasers Surg Med. 25(1):38-42. 1999.
13. Delvecchio, S. Zhu, A. Weizer, A. Silverstein, B. Auge, P. Pietrow, D. Albala, P. Zhong, G. Preminger, "In vitro fragmentation analysis of the Freddy laser", Oral presentation at the WCE 2001, Bangkok.
14. nd Nov 2001.
15. W. Schafhauser, T. Zörcher et al., "Erste klinische Erfahrungen mit neuem frequenzverdoppeltem Doppelpuls Neodym:YAG Laser in der Therapie der Urolithiasis", Poster presentation at the DGU, Hamburg, Germany 2000.
16. st int. consultation on Stone Disease, Paris 2001.
17. H. Brandt et al., "Ureteral and bladder stone treatment with the Freddy laser", Laser workshop Bochum, Germany 2001.
18. E. Agour, H. Mohamed, Documented stone treatments, Ain Shams University, Cairo, Egypt, July 2001.
19. Personal communication, Australia, 2001.