Pleat to assemble a fragment of material in a folded state, characterized in that it comprises a central panel (1) on the perimeter of which are elastically articulated, at their middle part (20), at least two attaching tabs (2) movable in rotation about an axis (5) between an open position or placing position and a closed position or pleating position, a spring (7) cooperating with each of the attaching tabs (2) to pull them back to the pleating position without any external stress being applied to it.

An occlusion assembly comprising: (a) a tissue occlusion device comprising a first linear clamping portion and a second linear clamping portion, the first and second linear clamping portions oriented to overlap and be parallel to one another in a clamped position, the tissue occlusion device further including a spring concurrently coupled to and interposed by the first and second linear clamping portions to bias the first and second linear clamping portions toward the clamped position; and, (b) an endoscopic rein coupled to the tissue occlusion device and configured to facilitate repositioning of the tissue occlusion device toward an occlusion position where the first and second linear clamping portions are interposed by tissue, where the endoscopic rein includes a flexible wire coupled to the clamping device and configured to facilitate repositioning of the tissue occlusion device toward the occlusion position.

A locking device for a component having at least one and preferably two threaded fasteners is provided. The device includes a first clamping section configured to be secured around a first threaded fastener, and a second clamping section at a spaced location from the first clamping section arranged to be secured around a further element relative to which the first fastener is rotational. The second element may be a second threaded fastener, or a fixed feature such as the body of a pipe coupling. A bridging element is also provided that connects the two clamping sections and prevents rotation of the first and second clamping sections relative to each other. The clamping sections are configured to surround, compress and/or deform against the circumferential surface of a part of the fastener, which may be a nut or a bolt head, such that the clamping section is rotationally fixed relative to the fastener.

This invention concerns a support structure for releasably clamping onto a body relative to a central axis in use, wherein the support structure comprises a plurality of links connected at a plurality of pivots spaced about the axis and an array of contact members depending from the links at angularly spaced locations about the axis, whereby pivoting of the links causes actuation of the contact members in a substantially radial direction relative to the axis such that said contact members communicate an applied contact force about the body in use so as to clamp the support structure to the body via the array of contact members.

A spacer assembly includes a first clamping body having first and second ends and first and second protrusions extending from the first and second ends, respectively. A second clamping body has third and fourth ends and third and fourth protrusions extending from the third and fourth ends, respectively. A first gripping member disposed between the first and third ends has first and second openings for receiving the first and third protrusions, respectively, such that the first and third protrusions pass completely through the first and second openings to contact a first conductor received by the first gripping member. A second gripping member disposed between the second and fourth ends has third and fourth openings for receiving the second and fourth protrusions, respectively, such that the second and fourth protrusions pass completely through the third and fourth openings to contact a second conductor received by the second gripping member.