초록

A balloon device useful for dissecting tissue or retracting tissue for the purpose of providing space for laproscopic surgery includes a balloon having at least two protuberances in its distal region. The present device is particularly useful in bladder neck suspension and hernia repair procedures.

대표청구항 ▼

1. A balloon device for use in laparoscopic surgery comprising a balloon having a main body and having at least two inflatable inverted protuberances in its distal end, wherein said at least two inflatable inverted protuberances evert outwardly sequentially after said main body inflates. 2. The devi

1. A balloon device for use in laparoscopic surgery comprising a balloon having a main body and having at least two inflatable inverted protuberances in its distal end, wherein said at least two inflatable inverted protuberances evert outwardly sequentially after said main body inflates. 2. The device of claim 1 wherein said balloon, when deflated, is generally pear-shaped. 3. A balloon device for use in laparoscopic surgery comprising a balloon having a main body and having at least two inflatable inverted protuberances in its distal end, wherein said at least two inflatable inverted protuberances evert outwardly sequentially after said main body inflates, wherein said balloon is mounted on a tunneling shaft. 4. The device of claim 3 wherein said balloon, when deflated, is rolled-up and adjacent to said tunneling shaft.