Surgery – Truss – Pad
Patent
1987-10-14
1989-07-04
Smith, Ruth S.
Surgery
Truss
Pad
128 24A, 128328, A61B 1722
Patent
active
048440795
ABSTRACT:
A lithotripter for treating calculi has a housing formed by a first sub-housing with an opening with a membrane for contacting the patient, a second sub-housing composed of two parts with the first of the two parts forming a cylindrical bearing with the first sub-housing to allow rotation around an axis, a second part being mounted for pivotal movement on an axis extending perpendicular to the axis of rotation. The second housing part supports the source of the shockwave to create a shockwave on a central axis and includes a focussing arrangement mounted on the second part for focussing the shockwave on the central axis. To locate the calculus or stone, two scanning heads having sector scanning planes are mounted at a predetermined angle on the focus arrangement. To locate the stone, the second housing part is rotated to locate the stone in one of the scan planes, and then the second housing part is pivoted to move the second scan plane onto the stone.
REFERENCES:
patent: 3954098 (1976-05-01), Dick et al.
patent: 4539989 (1985-09-01), Forssmann et al.
patent: 4610249 (1986-09-01), Makofski et al.
patent: 4669483 (1987-06-01), Hepp et al.
patent: 4674505 (1987-06-01), Pauli et al.
patent: 4685461 (1987-08-01), Forssmann et al.
patent: 4705026 (1987-11-01), Chaussy et al.
Naser Georg
Reichenberger Helmut
Siemens Aktiengesellschaft
Smith Ruth S.
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