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:
Apr. 21, 1992
Filed:
Nov. 23, 1990
Nagashige Takahashi, Tokyo, JP;
Teruo Ouchi, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheath device for an endoscope comprises a sheath which is inflatable with a gas that is pumped into the inside of the sheath to allow an insert tube of the endoscoope to be covered. A sheath cover, formed in the shape of a tube, surrounds the sheath with a space left therebetween to control overinflation of the sheath. A portion of the sheath cover, that surrounds the distal end portion of the sheath, is tapered toward to the distal end of the sheath cover. A gas supply passage is provided for supplying a gas into the sheath to inflate it, and a gas pressure control device is provided with a bleeder with communicates with the gas supply passage and opens upwardly to the atmosphere. A ball valve is placed on the bleeder from the upper side thereof to close the bleeder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile