On-demand valve clipping device and valve clipping system

Abstract

The present invention discloses an on-demand valve clamping device and a valve clamping system. The on-demand valve clamping device includes a support portion, a clamping portion, an adjustment portion, and a fitting portion. The support portion has a certain axial length and includes a proximal end and a distal end that are arranged oppositely. The clamping portion is arranged on the outside of the support portion. The fitting portion is detachably connected to the proximal end of the support portion. The adjustment portion includes a self-expanding main body. The fitting portion has a first state and a second state. When the fitting portion is in the first state, the fitting portion makes the distal end of the adjustment portion close to the proximal end of the support portion and remains stationary relative to the support portion, and the clamping portion can be expanded or closed relative to the support portion. When the fitting portion is in the second state, the fitting portion makes the distal end of the adjustment portion close to the distal end of the support portion, the adjustment portion is movably sleeved on the support portion, and the clamping portion can be expanded or closed relative to the adjustment portion. The on-demand valve clamping device has a wider range of applications and can avoid damage to the valve leaflets.

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