Drug delivery devices are providedDrug delivery devices include: HousingTwo opposite rotating directions against the housingThat is, a movable member (60) disposed so as to be rotatable in the incremental direction and the reduction direction；Operatively connected to the energy storage member (90)；By energy stored or stored within the energy storage memberEnergized to rotate in the direction of decreaseRotation of the movable member to the incremental directionIncrease the energy stored in the energy storage memberMovable memberIncludes a lock systemLock systemLocking function46160161)Blocking function6566677)And release member80) includingWhereLock functionCooperating with blocking functionArranged to form a releasable lock interface；The releasable lock interfaceWhen the freelable lock interface is establishedDownwardIt is preferably configured to prevent the rotational motion of the movable member relative to the housing in only the reduction direction；When the freelable lock interface is releasedThe moving member is reduced in direction.For example, at least in a limited formOnly in a limited form,Or in an unrestricted formRotatable；Release memberFor housing and / or locking functionsAt least in the limited formOnly in a limited form,Or in an unrestricted formBetween the first angle position and the second angular position,At the first angular positionA freesable lock interface has been establishedAt the second angular positionThe releasable lock interfaceAt least temporarilyPreferably only temporarilyOr permanently releasedAssemblyThe rotation of the release member from the first angular position to the second angular positionConfigured to cause the release of the releasable lock interface.薬物送達デバイスが提供され、薬物送達デバイスは：ハウジング（１０）と、ハウジングに対して２つの反対の回転方向、すなわち増分方向および減分方向に回転可能になるように配置された可動部材（６０）であって、エネルギー貯蔵部材（９０）に動作可能に連結され、エネルギー貯蔵部材内に貯蔵済みまたは貯蔵可能なエネルギーによって、減分方向へ回転するように付勢され、増分方向への可動部材の回転が、エネルギー貯蔵部材内に貯蔵されるエネルギーを増大させる、可動部材と、ロックシステムとを含み、ロックシステムは、ロック機能（６２、４６、１６０、１６１）、阻止機能（４２、６５、６
