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EP0206332A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Apparatus for generating high pressure by underwater shock wave

Assignee: Yachiyoda Sangyo Co Ltd
•
Filing: 1986-06-25
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Granted: —
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Expires: 2006-06-25
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Abstract

Abstract There is disclosed an apparatus for generating a high pressure by underwater shock wave of the type that it is provided with a shock wave generation chamber (1) of which an inner surface is formed into a shape of a part of a pseudo-ellipsoid of rotation and which is to be filled with liquid and a shock wave generation source (3, 4, 5) for generating shock wave at a first focus (2) of the pseudo-ellipsoid so that a high pressure may be applied by the shock wave to an object set in position at a second focus (9) of the pseudo-ellipsoid of rotation. To avoid contamination and other damage of said object the shock wave generation source comprises a laser means (5), an optical fiber member (4) and a focusing lens (3) for focusing a laser beam on the foregoing focus position (2).

Inventors

  • 👤 Kazuyoshi Takayama
  • 👤 Masaaki Kuwahara
  • 👤 Shuzo Kimura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 21:31
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/04; G10K15/046; A; A61; A61B; A61B17/00; A61B17/22; A61B17/22004

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 134 words
An apparatus for generating a high pressure by underwater shock wave of the type that it is provided with a shock wave generation chamber (1) of which an inner surface is formed into a shape of a part of a pseudo-ellipsoid of rotation and which is to be filled with liquid and a shock wave generation source (3, 4, 5) for generating shock wave at a first focus (2) of the pseudo-ellipsoid so that a high pressure may be applied by the shock wave to an object set in position at a second focus (9) of the pseudo-ellipsoid of rotation, characterized in that the shock wave generation source comprises a laser means (5), an optical fiber member (4) and a focusing lens (3) for focusing a laser beam on the foregoing focus position (2).
Claim 2
Independent Claim 134 words
An apparatus for generating a high pressure by underwater shock wave of the type that it is provided with a shock wave generation chamber (1) of which an inner surface is formed into a shape of a part of a pseudo-ellipsoid of rotation and which is to be filled with liquid and a shock wave generation source (3, 4, 5) for generating shock wave at a first focus (2) of the pseudo-ellipsoid so that a high pressure may be applied by the shock wave to an object set in position at a second focus (9) of the pseudo-ellipsoid of rotation, characterized in that the shock wave generation source comprises a laser means (5), an optical fiber member (4) and a focusing lens (3) for focusing a laser beam on the foregoing focus position (2).
Claim 3
Dependent Claim 36 words
Apparatus according to claim 1, characterized in that there are provided at least two shock generation sources (3, 4, 5), the shock waves generated at the common first focus (2) being generated in sequence or simultaneously.
Claim 4
Dependent Claim 21 words
Application of the apparatus according to claim 1 or 2 on disintegration of one or more calculi in a human body.
Claim 5
Dependent Claim 15 words
Application of the apparatus according to claim 1 or 2 on coating of pieces (10).
Claim 6
Dependent Claim 23 words
Application of the apparatus according to claim 1 or 2 on high pressure mixing of chemicals or substances to create a new substance.

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