An apparatus for closing an opening in body tissue, the apparatus comprising: a closing device, including: a base section, a longitudinal axis, and a plurality of anchoring members joined by the base section, each anchoring member including a tip, and having a constrained configuration and an unconstrained configuration, wherein when the anchoring members move from the constrained configuration toward the unconstrained configuration, the tips move toward the longitudinal axis, and a catheter including an external surface configured to force the anchoring members into the constrained configuration, wherein advancement of the closing device along the catheter releases the anchoring members from the external surface, allowing the anchoring members to move from the constrained configuration toward the unconstrained configuration.本発明の実施形態は、身体組織内の開口部を閉鎖するためのデバイスを含んでいる。上記デバイスは、両方とも1つ以上の固着部材を含む、第1の端部分および第2の端部分を含み得る。上記の両方の端部分は、拘束構成から非拘束構成に形状を変換するように構成され得る。上記のデバイスはまた、端部分間で連結される中間部分を含み得る。上記の中間部分は、中間部分を通る流体の流動を実質的に防止する、少なくとも1つの構成を有し得る。
