Tissue-fixing surgical instrument, tissue-fixing device, and method of fixing tissue

A surgical instrument for fixing tubular tissue with a fixing clip, comprising:

• an elongation section which is inserted into the body;
• an operation section disposed in a portion of an insertion section adjacent to an operator;
• a clip cartridge provided for the elongation section to accommodate a plurality of fixing clips;
• a clip holder disposed at the leading end of the elongation section to hold and close the fixing clip;
• and
• an ultrasonic probe disposed in the elongation section to weld the fixing clip held by the clip holder with ultrasonic waves, wherein
• the ultrasonic probe is operated when the operation section has been operated so that the leading end of the ultrasonic probe is brought into contact with the fixing clip to push out the fixing clip so as to supply the fixing clip to the clip holder.

A surgical instrument for fixing tubular tissue with a fixing clip, comprising:

• an elongation section which is insertable into a body cavity;
• an operation section disposed in a portion of an insertion section adjacent to an operator;
• a clip cartridge provided for the elongation section to accommodate a plurality of fixing clips;
• a clip holder disposed at a leading end of the elongation section to hold and close the fixing clip;
• supply means for supplying the fixing clip from the clip cartridge to the clip holder;
• and
• means for maintaining constant a force of the clip holder for closing the fixing clip.

A surgical instrument for fixing tubular tissue with a fixing clip, comprising:

• an elongation section which is inserted into the body;
• an operation section disposed in a portion of an insertion section adjacent to an operator;
• a clip cartridge provided for the elongation section to accommodate a plurality of fixing clips;
• a clip holder disposed at the leading end of the elongation section to hold and close the fixing clip;
• an ultrasonic probe disposed in the central portion of the elongation section to weld the fixing clip held by the clip holder with ultrasonic waves;
• supply means disposed on either side of the ultrasonic probe to supply the fixing clip from the clip cartridge to the clip holder;
• holder opening/closing means disposed on another side of the ultrasonic probe to open/close the opening/closing section of the clip holder;
• and
• a handle disposed in the operation section to operate the holder opening/closing means.