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:
Oct. 15, 2002
Filed:
Jun. 18, 2000
Applicant:
Inventors:
Masato Higuma, Akita, JP;
Haruhiko Masuda, Akita, JP;
Assignee:
Sumitomo Bakelite Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/704 ;
U.S. Cl.
CPC ...
A61B 1/704 ;
Abstract
A fluid circuit connects a pressure applying portion ( ) and a distal device ( ) to charge fluid into the distal device ( ). The fluid circuit includes a controller ( ) to control the movement of ligating rings ( ). The controller ( ) senses a pressure drop in the distal device ( ) when one or a plural number of the ligating rings ( ) are separated from the distal device ( ). The movement of the ligating rings ( ) is stopped in accordance with the pressure drop so that at least two or more of the ligating rings can be separated at a time. Accordingly, ligation of esophageal varices and internal hemorrhoids can be performed successively.