Surgery – Truss – Pad
Patent
1984-07-18
1986-12-23
Swiatek, Robert P.
Surgery
Truss
Pad
128 24A, A61B 1722
Patent
active
046306072
ABSTRACT:
Apparatus for the non-contact disintegration of concrements present in a body by means of sound shockwaves generated in one focus of at least one liquid-filled reflector formed in a reflector block wherein the reflector exhibits rotary symmetry in the form of a semi-ellipsoid (or in the focal line of a toroidal reflector having a semi-elliptical cross-section configuration) and wherein the reflector focuses the sound shockwaves to a second focus and wherein the apparatus further comprises a liquid-filled coupling member connected to the reflector block in a liquid-tight manner. The liquid-filled coupling member is relatively movable to the reflector and can be placed in contact with the skin of the body. The coupling member is of a construction co-axial with the reflector and by axial shifting can be adjusted to the correct depth in the body, and then, in a second adjustment position, the angular position of the reflector can be adjusted so that the reflector axis is caused to coincide with the concrement to be disintegrated.
REFERENCES:
patent: 3269173 (1966-08-01), Ardenne
patent: 4526168 (1985-07-01), Hassler et al.
Duinker Simon
Mulder Hendrik
Marn Louis E.
N.V. Optische Industrie "De Oude Delft"
Swiatek Robert P.
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