A surgical clip applier with automatic unhooking function has a outer tube, a jaw structure being placed to a front end of the outer tube, clips being placed behind the jaw, a reciprocating pushing assembly and a clip pushing assembly being placed inside the outer tube, a sliding sleeve being placed on a back end of the outer tube to mount two sliding devices used for controlling the reciprocating pushing assembly and the clip pushing assembly, a spring being compressed and clipped by the two sliding devices. The reciprocating pushing assembly and a second sliding device of the two sliding devices form an automatically unhooking structure.. The second sliding device can be driven backward by the spring when the first sliding device is driven forward. Since the operation only needs to drive the first sliding device to complete all the actions, rotation amplitude of a trigger is not limited while using a handle. A better experience of pressing the trigger is achieved.一種自動脫勾的血管施夾裝置，是在一外管的前端設有一鉗嘴，在鉗嘴後方設有多個夾釘，在外管分別穿置用於控制鉗嘴夾合的覆進推桿與推進夾釘進入鉗嘴的上釘推桿，在外管後端的滑套管分別套設用於控制該覆進推桿與該上釘推桿的第一套管與第二套管，在第一、第二套管之間抵靠一壓縮狀態的驅動彈簧，在覆進推桿與第二套管之間形成可自動脫勾的構造，在第一套管受驅動前進的過程中，第二套管可因脫勾而被該驅動彈簧驅動向後移動，由於操作僅需驅動第一套管即可完成所有動作，因此配合握持單元使用時扳機的轉動幅度設計不受限制且施力按壓扳機具有較佳的體驗。
