Surgery – Truss – Perineal
Patent
1988-06-23
1990-05-29
Howell, Kyle L.
Surgery
Truss
Perineal
606128, A61H 100
Patent
active
049286722
ABSTRACT:
A shockwave source of the type wherein a shockwave is generated by rapid electromagnetic repulsion of a membrane by a rapidly energized coil has a central opening extending through the membrane and the coil. An ultrasound head of an ultrasound transmission and reception system is received in the opening. The ultrasound head is disposed in a mount which is rotatable around its longitudinal axis by a rotary drive. In one embodiment of the shockwave source, the shockwave source also has a focusing device disposed in front of the membrane, and in this embodiment the focusing device also has a central opening in which the ultrasound head is received. The ultrasound head has a distal end in contact with a liquid coupling agent for promoting transmission to, and reception from, a patient to which the shockwave source is coupled. The shockwave source is particularly suited for lithotripsy treatment of gallstones.
REFERENCES:
patent: 4539989 (1985-09-01), Frossmann et al.
patent: 4617931 (1986-10-01), Dory
patent: 4669472 (1987-06-01), Eisenmenger
patent: 4674505 (1987-06-01), Pauli et al.
patent: 4771787 (1988-09-01), Wurster et al.
patent: 4803995 (1989-02-01), Ishida et al.
Grasser Franz
Hassler Dietrich
Naser Georg
Reichenberger Helmut
Schmidt Erhard
Howell Kyle L.
Pfaffle K. M.
Siemens Aktiengesellschaft
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