| US 7,537,562 B2 | ||
| Endoscope apparatus | ||
| Masayuki Takano, Saitama (Japan) | ||
| Assigned to Fujinon Corporation, Saitama-shi (Japan); and SRJ Corporation, Tochigi (Japan) | ||
| Filed on Jan. 28, 2005, as Appl. No. 11/44,057. | ||
| Claims priority of application No. 2004-020027 (JP), filed on Jan. 28, 2004. | ||
| Prior Publication US 2005/0165273 A1, Jul. 28, 2005 | ||
| Int. Cl. A61B 1/00 (2006.01); A61M 37/00 (2006.01); A61M 29/00 (2006.01) | ||
| U.S. Cl. 600—114 [604/103.03; 604/104] | 2 Claims |
| 1. An endoscope apparatus, comprising:
an endoscope with a balloon attached to a tip end part of an insertion section by two annular catching members, each having
an internal annular surface pressing against an external surface of a respective end of the balloon and holding the respective
end of the balloon on the tip end part, and
an insertion assisting tool into which the insertion section of the endoscope is inserted and which assists the insertion
section in being inserted into a body cavity,
wherein an external surface of each of the two annular catching members is an inclined surface that slants in a same direction
toward a downstream side from an upstream side in an extracting direction of the insertion section with respect to the insertion
assisting tool, and
wherein a height of the inclined surface becomes larger from the upstream side in the extracting direction toward the downstream
side,
thereby, the balloon of the insertion section protruded from the tip end of the insertion assisting tool is made extractable
from the insertion assisting tool and the tip end part of the insertion assisting tool is made to ride over the annular catching
members and the balloon.
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