Patent ID: 6988985

Claim:
A tissue-piercing device for use with a flexible endoscope for suturing or ligating tissues in body cavities, said tissue-piercing device comprising: two flexible sleeves provided side by side substantially in parallel along the endoscope such that a predetermined distance between the sleeves at a distal end of the endoscope is larger than a width of a channel of the endoscope; two flexible piercing members slidably provided in the two flexible sleeves, respectively, so as to extend from a proximal end to the distal end of the endoscope; wherein each of the flexible piercing members comprises a needle; and wherein each of the two flexible sleeves comprises a distal end portion which is removably fixed to a distal end of the endoscope, and a second portion which is removably fixed to a second part of an insertion section of the endoscope, and wherein a portion of each of the two flexible sleeves extending between the distal end portion and the second portion is not fixed to the endoscope.