| 摘要 |
PROBLEM TO BE SOLVED: To provide a surgery area securing device 10 that is easily inserted into a body cavity 92, expanded inside the body cavity 92, and extracted to the outside of the body cavity 92.SOLUTION: A surgery area securing device 10 for securing a surgery area 12 by expanding the device inside a body cavity 92 includes: at least three long parts 201 that extend in a radial shape in an expansion state; and curved parts 202 the number of which is equal to the number of the long parts 201. Each pair of long parts 201 adjacent to each other are connected by a curved part 202 at their one ends. The curved part 202 protrudes to the side opposite to the long parts 201. The curved parts 202 are arranged in a circumferential shape in the expansion state. Deforming the curved parts 202 can make the surgery area securing device become in a reduction state in which a distance between adjacent long parts 201 is shorten or in the expansion state in which the distance between the adjacent long parts 201 is enlarged.SELECTED DRAWING: Figure 12 |
