The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 1991
Filed:
Feb. 23, 1990
Applicant:
Inventor:
Ichiro Ogura, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128 / ;
Abstract
An apparatus for disintegrating calculuses of the type found in a human body, transmits a shockwave through a container filled with a liquid medium, into the body. The apparatus comprises a tank which stores the liquid, a sensor for detecting pressure in the container, and a liquid control system. When pressure exceeds a preset value, the control system transports liquid from the container to the tank until the pressure falls below the preset value.