Abstract: A degassing apparatus for a secondary battery, and a degassing method using same, is provided. The degassing apparatus includes a drive motor and a jig arm configured to pressurize a first surface of a gas pocket of a battery cell and a second surface opposite the first surface by controlling a separation distance by the operation of a driving motor. The degassing apparatus is capable of performing an effective degassing and sealing process for the battery cell without positional movement of the battery cell during cell activation or after cell activation.

Abstract: A method for controlling a powered surgical stapler that includes an end effector with jaws that are movable between an open and a closed position and a firing member that is movable between a starting position and an ending position within the end effector. The jaws and firing member are controlled by separate rotary systems and the end effector includes a firing member lockout system that prevents axial movement of the firing member unless the surgical staple cartridge is in ready to fire condition.

Abstract: A surgical instrument comprising an end effector and a closure drive configured to close the end effector is disclosed. The surgical instrument further comprises a lock configured to hold a closure actuator of the closure drive in a partially-closed position. The surgical instrument further comprises an articulation drive operable to rotate the end effector about an articulation joint when the closure drive is in its partially-closed position.

Abstract: Various robotic surgical systems are disclosed. A robotic surgical system comprises a first motor; a second motor; and a robotic surgical tool. The robotic surgical tool comprises: a first rotary driver configured to receive a first rotary motion from the first motor; a second rotary driver configured to receive a second rotary motion from the second motor; an output drive; and a shifter configured to selectively couple the first rotary driver and the second rotary driver to the output drive. The first rotary driver and the second rotary driver are configured to concurrently supply torque to the output drive in a high-torque operating state.

Abstract: An end effector for use with a surgical stapling instrument. The end effector comprises a first jaw and a second jaw. The first jaw comprises an anvil comprising a proximal camming member. At least one jaw is movable relative to the other to close the end effector. The second jaw comprises an elongated channel comprising a proximal channel aperture and a staple cartridge insertable into the elongated channel. The staple cartridge comprises a cartridge body and a cartridge pan. The cartridge pan comprises a proximal pan aperture configured to be positioned partially distal to the proximal channel aperture when the staple cartridge is assembled with the elongated channel in an unlocked configuration. The camming member is configured to proximally translate the cartridge pan relative to the cartridge body from the unlocked configuration to a locked configuration during a transition of the end effector to a closed configuration.

Abstract: A surgical instrument comprising an end effector including a first jaw and a second jaw rotatable relative to the first jaw is disclosed. One or both of the first jaw and the second jaw comprise an arrangement for maintaining the alignment between the first jaw and the second jaw. The alignment arrangement can also provide tactile feedback to the operator of the surgical instrument that the surgical instrument is reaching a fully-closed position during a closure stroke.

Abstract: A surgical stapler includes first and second elongate members, a clamp member, and a firing assembly. The second elongate member is configured to receive a staple cartridge. The clamp member is operable to releasably clamp the first elongate member against the second elongate member. The firing assembly is translatable to fire the staple cartridge. The firing assembly includes a slider and an actuator configured to be selectively actuated by a user. The slider includes inner and outer engagement features. The actuator includes inner and outer engagement features. The inner engagement feature of the actuator is configured to engage with the inner engagement feature of the slider at a first interface when the actuator moves relative to the slider. The outer engagement feature of the actuator is configured to engage the outer engagement feature of the slider at a second interface when the actuator moves relative to the slider.

Abstract: A surgical device comprising a surgical end effector, an actuation assembly having a part operable to move between a first position and a second position, an electrically-powered motor, a transmission mechanically connecting the motor to the part and being operable to selectively displace the part between the first and second positions when the motor is operated, and a manual release mechanically coupled to the transmission to selectively interrupt the transmission and, during interruption, displace the part towards the first position independent of operation of the motor.

Abstract: A surgical instrument comprising a motor assembly, a shaft defining a shaft axis, a distal head, a rotary drive member, and a distal head lock member movable between a first position where the distal head is unlocked from the shaft and a second position where the distal head is locked to the shaft is disclosed. The motor assembly comprises a motor and a controller configured to operate the motor in first and second operating modes. The distal head comprises an end effector movable between an open configuration and a closed configuration. The distal head is rotated about the shaft axis when the distal head lock member is in the first position and the rotary drive member is actuated. The end effector is moved from the open configuration toward the closed configuration when the distal head lock member is in the second position and the rotary drive member is actuated.

Abstract: A surgical instrument comprising an end effector and an articulation drive system operable to articulate the end effector about an articulation joint is disclosed. The articulation drive system comprises an actuator which indicates whether the articulation drive system is in an operable state.

Abstract: A stapling device includes an adapter assembly and a reload assembly that includes a reload release mechanism that is movable from a locked position in which the reload assembly is locked onto the adapter assembly to an unlocked position in which the reload assembly can be removed from the adapter assembly. The adapter assembly of the stapling device includes a lockout that prevents movement of the reload release mechanism to the unlocked position unless the stapling device is in a non-articulated, unfired position.

Abstract: An adapter assembly includes an elongated body, a switch, a sensor link, and an annular member. The elongated body includes a proximal portion configured to couple to a handle assembly and a distal portion configured to couple to a surgical loading unit. The switch is configured to be toggled in response to the surgical loading unit being coupled to the distal portion of the adapter assembly. The sensor link is disposed within the distal portion of the adapter assembly and biased toward a distal position. The sensor link is longitudinally movable between a proximal position and the distal position. The annular member is disposed within the distal portion and is rotatable between a first orientation, in which the annular member prevents distal movement of the sensor link, and a second orientation, in which the sensor link moves distally to toggle the switch.

Abstract: A motor-driven surgical cutting and fastening instrument that comprises an end effector, an electric motor, and a motor control circuit. The motor control circuit is for monitoring a parameter of the electric motor that is indicative of movement of a moveable member of the end effector, and for adjustably controlling the electric motor based on the monitored parameter to thereby adjustably control movement of the moveable member of the end effector during forward rotation of the electric motor.

Abstract: A surgical stapling instrument includes an adapter assembly having a trocar assembly transitionable between extended and retracted configurations. The trocar assembly includes a first member rotatably supporting a lead screw, a second member, and a third member slidable relative to the second member. The second member is operatively coupled to the lead screw such that rotation of the lead screw causes axial displacement of the second member relative to the first member. The third member includes a trocar engageable with the anvil assembly for axial displacement therewith. The third member is transitionable between an engaged state, in which, the third member is operatively coupled to the lead screw such that rotation of the lead screw causes axial displacement of the third member relative to the second member, and a disengaged state, in which, the third member is operatively disengaged from the lead screw.

Abstract: A stapling assembly is disclosed including a staple cartridge jaw comprising a lockout surface, a firing member, and a lockout member. The lockout member is pivotally coupled to the firing member by at least one pivot member. The lockout member is configured to engage the lockout surface of said staple cartridge jaw to block advancement of the firing member when a staple cartridge is not installed within the staple cartridge jaw and when a partially-spent staple cartridge is installed within the staple cartridge jaw and a firing motion is applied to the firing member. The firing member and the lockout member are configured to prevent an unlocking load from being applied to the at least one pivot member when the lockout member is in engagement with the lockout surface and the firing motion is applied to said firing member.

Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.

Abstract: Locking assemblies for surgical clamping and cutting instruments include a locking member and a switch. A drive member may be configured to releasably engage a knife and/or a shuttle of the surgical instrument for translating the knife and/or shuttle in a distal direction through a firing stroke. The locking member is movable from a first position permitting distal translation of the drive member through the firing stroke, and a second position inhibiting distal translation of the drive member through the firing stroke. A switch, when proximally positioned, releasably engages the locking member to maintain the locking member in the first position. The switch disengages from the locking member when the switch is moved to a distal position.

Abstract: Various exemplary methods, systems, and devices for near field communication (NFC) between a surgical instrument and a robotic surgical system are provided. In general, a surgical tool is configured to move between different modes of communication with a robotic surgical system to which the tool is releasably and replaceably coupled. The different modes of communication are detectable by the robotic surgical system by the tool's frequency of NFC with the robotic surgical system. The tool includes a mechanism configured to be manipulated by a user of the tool to move the tool between the different modes of communication. The tool operating in a first mode of communication indicates to the robotic surgical system that the tool is operating in a normal state. The tool operating in each of one or more additional modes of communication indicates that the tool is operating in an error state.

Abstract: A surgical device includes a handle assembly, an adapter assembly configured to selectively couple to the handle assembly, an annular reload configured to selectively couple to a distal portion of the adapter assembly, and a shipping cap coupled to the annular reload and configured to detach from the annular reload in response to a movement of a trocar of the adapter assembly. The annular reload has a memory having stored therein information about the reload. The handle assembly includes a controller configured to encode to the memory an occurrence of a detachment of the shipping cap from the reload.

Abstract: Locking assemblies for surgical clamping and cutting instruments include a locking member and a switch. A drive member may be configured to releasably engage a knife and/or a shuttle of the surgical instrument for translating the knife and/or shuttle in a distal direction through a firing stroke. The locking member is movable from a first position permitting distal translation of the drive member through the firing stroke, and a second position inhibiting distal translation of the drive member through the firing stroke. A switch, when proximally positioned, releasably engages the locking member to maintain the locking member in the first position. The switch disengages from the locking member when the switch is moved to a distal position.

Abstract: A laparoscopic clipping machine that is used to apply clips on tissue structures is enclosed in a housing and includes a pair of movable jaws mounted on a stem. Operational movement for clamping the clips is indirectly triggered by a movement of the handle. The clipping machine further includes at least one spring and a mechanism directly triggering the operational movement of the jaws having at least one pusher movably arranged in the axis of the stem supported in the axis of the stem on the spring. An adjustment mechanism adjusts the jaws output opening to at least two different positions adapted to at least two sizes of the clips, resulting in a different output angle between the jaws, wherein the adjustment mechanism includes a movable shutter element having at least two parts, the narrower part of the shutter element and the wider part of the shutter element.

Abstract: A surgical instrument includes a body, a shaft assembly, a stapling head assembly, an anvil, an anvil adjustment assembly, a trigger, and a lockout assembly. The stapling head assembly is operable to drive an annular array of staples. The anvil is configured to couple with the stapling head assembly. The anvil adjustment assembly includes a translating member, which translates relative to the body to thereby adjust the longitudinal position of the anvil relative to the stapling head assembly. The trigger is operable to actuate the stapling head assembly to thereby drive the annular array of staples through a distal surface of the stapling head assembly toward the anvil. The lockout assembly includes an electrically powered braking feature. In a first state, the lockout assembly is configured to permit translation of the translating member. In a second state, the lockout assembly is configured to prevent translation of the translating member.

Abstract: A surgical stapling apparatus is provided which includes a first jaw supporting an anvil assembly and a second jaw supporting a cartridge assembly. The cartridge assembly supports a firing lockout assembly which includes a latch member having a blocking member. The latch member is movable between a first position and a second position. In the first position, the blocking member of the latch member is aligned with the stop surface of the drive member to prevent advancement of the drive member within the tool assembly and in the second position, the blocking member is misaligned with the stop surface of the drive member to permit advancement of the drive member within the tool assembly. A biasing member is positioned to urge the latch member towards the first position. In the retracted position of the drive member, the latch member is in the first position.

Abstract: A tool assembly for a surgical stapling device includes a channel member for supporting a staple cartridge therein and an anvil to deform a plurality of staples ejected from the staple cartridge thereagainst. The tool assembly also includes a sled which is movable to force the staples from the cartridge against the anvil to staple tissue disposed between the anvil and the staple cartridge. A dynamic clamping member is included which has a pin which movably engages the anvil and a flange which movably engages the channel assembly. The dynamic clamping member is mounted to and movable with the sled. The pin and the flange of the dynamic clamping member cooperating to oppose the forces associated with clamping and stapling tissue and also to maintain a substantially uniform gap between the anvil and the staple cartridge during stapling of the tissue.

Abstract: A surgical stapling apparatus (stapler) is provided and is configured to couple to a reload. The reload includes a first jaw member releasably supporting a cartridge that includes a slide deflector that is movable from a first position to a second position. One or more lockout steps are provided on one of the first and second jaw members of the reload. A drive member includes a working end urged to move toward the lockout step. In the first position, the slide deflector is positioned to prevent engagement of the working end of the drive member with the lockout step, and in the second position the slide deflector is positioned to allow engagement of the working end with the lockout step to prevent further advancement of the working end. Distal translation of the working end causes the slide deflector to move from the first position to the second position.

Abstract: A surgical stapling assembly is disclosed that comprises a retainer that is configured to be removably mounted to a staple cartridge that is configured to be operably seated in a stapling device. The retainer comprises an authentication key that is configured to defeat a first firing member lockout provided the stapling device. The stapling device further comprises a second lockout that is configured to prevent the firing member of the device from advancing through a staple firing stroke when a spent staple cartridge is seated in said stapling device.

Abstract: A method is disclosed. The method can comprise obtaining a first staple cartridge and obtaining a second staple cartridge, wherein the first staple cartridge and the second staple cartridge comprise the same length and the same width. The method can further comprise inserting the first staple cartridge into a channel comprising a keyed profile, wherein complete insertion of the first staple cartridge into the channel is prevented by the keyed profile. Additionally, the method can comprise inserting the second staple cartridge into the channel, wherein complete insertion of the second staple cartridge into the channel is permitted by the keyed profile.

Abstract: A retainer for use with a staple cartridge that is configured for use with a surgical stapling device is disclosed. The retainer comprises a retainer body that is configured to be received on the staple cartridge. A plurality of retention features protrude from the retainer body for releasable engagement with the staple cartridge to form a cartridge assembly. The retainer further comprises an authentication key that is configured to defeat a lockout in the surgical stapling device when the cartridge assembly is seated therein. At least one of the retention features is configured to be removed from the retainer body after the retainer has been removed from the staple cartridge.

Abstract: A surgical stapler including a shipping lock configured to obstruct movement of a drive member is provided. The surgical stapler includes an elongate body, a tool assembly pivotally secured to the elongate body, a drive member movable within the tool assembly between retracted and advanced positions, and a shipping lock releasably secured to the elongate body. The shipping lock includes a projection. When the shipping lock is secured to the elongate body, the projection obstructs movement of the drive member to its advanced position.

Abstract: A surgical instrument particular suited to endoscopic use is disclosed. Various embodiments include an end effector that is sized to be inserted through a trocar. An elongated shaft assembly is coupled to the end effector and a control handle. The elongated shaft assembly has a distal portion that is adjacent to the effector for insertion into the trocar. The elongated shaft assembly further has a proximal portion that is remote from the distal portion such that the proximal portion protrudes from the trocar when the end effector and distal portion are inserted therethrough. The control handle is articulatably coupled to the proximal portion of said elongated shaft assembly to enable the surgeon to move the handle portion to a more ergonomically comfortable position while carrying out the endoscopic procedure. Various articulation joint embodiments and locking arrangements are disclosed.

Abstract: A reload assembly is disclosed that includes a proximal body portion having an indicator that is movable from a retracted position to an advanced position to provides a visual indication to a clinician of the state of the reload assembly, i.e., whether the reload assembly is loaded with staples and ready for use or depleted of staples. A tool assembly of the presently disclosed reload assembly may also include a cartridge assembly, an anvil and a drive assembly. In embodiments, one or both of the cartridge assembly, the anvil, and/or the drive assembly may support an illuminating device. In embodiments, the illuminating device, which may be an LED, is adapted to change color when the reload assembly has been fired to provide an indication to a clinician that the reload assembly is spent. Since the illuminating device is illuminated when reload assembly is in both the unused and spent states, the illuminating device also improves visualization during placement and use of the reload assembly.

Abstract: A surgical instrument system comprising a completely replaceable cartridge jaw is disclosed.

Abstract: Surgical stapler systems can include lockout mechanisms to restrict further movement of a jaw assembly and provide different functionality when a jaw assembly is empty and when a partially or fully fired reload cartridge is present in the jaw assembly. When the jaw assembly is empty, the empty jaw assembly lockout mechanism can arrest an open-close stroke of the jaw assembly. When an at least partially fired reload is present in the jaw assembly, a fired reload lockout mechanism can allow operation of the jaw assembly through a substantial portion of an open-close stroke, but restrict actuation of the jaw assembly in a firing stroke. The separate lockout mechanisms can be embodied in a single lockout lever actuatable by lockout actuators to three distinct positions or by two independently-operable lockout levers.

Abstract: A method for operating a surgical stapling device that includes a lockout for preventing the surgical stapling device from operating is disclosed. The method includes installing a retainer on a staple cartridge to form a cartridge assembly. The method includes seating the cartridge assembly in the surgical stapling device to bring an authentication key on the retainer into actuation contact with the lockout to move the lockout out of a locked position to an unlocked position. The method further includes removing the retainer from the staple cartridge while retaining the lockout in the unlocked position.

Abstract: Shipping wedges for installing end effectors onto an endoscopic assembly of a surgical tack applier are provided. In aspects, a shipping wedge includes an elongate body extending along a longitudinal axis and defining a channel therethrough, and an arm disposed within a slot defined in a side wall of the elongate body. The arm includes a first end coupled to the side wall and a second end that is movable laterally with respect to the side wall. In aspects, a shipping wedge includes an elongate body extending along a longitudinal axis and defining a channel therethrough. A proximal portion of the elongate body includes a first arm extending proximally from a distal portion of the elongate body and a locking tab extending laterally into the channel of the elongate body.

Abstract: A surgical stapling assembly is disclosed that comprises a retainer that is configured to be removably mounted to a staple cartridge that is configured to be operably seated in a stapling device. The retainer comprises an authentication key that is configured to defeat a first jaw lockout of the stapling device that is configured to prevent the jaws of the stapling device from closing. The stapling device further comprises a second lockout that is configured to prevent a firing member of the stapling device from advancing through a staple firing stroke when a spent staple cartridge is seated in one of the jaws.

Abstract: A surgical apparatus is provided. The surgical apparatus includes an actuator device including a body portion defining a longitudinal axis and a first articulating link. The first articulating link includes a mechanical interface and is movable between a non-articulated position and at least one articulated position. A reload is releasably coupled to a distal end of the body portion. The reload including a second articulating link configured to engage the first articulating link when the reload is coupled to the actuator device. The reload including a tool assembly which is pivotable from a first a position aligned with the longitudinal axis of the body portion to at least one position misaligned with the longitudinal axis of the body portion. The first articulation link and the mechanical interface prevent the reload from being disengaged from the actuator device when the first articulating link is in the at least one articulated position.

Abstract: A surgical system is disclosed that comprises a stapling instrument including a jaw closure lockout and a staple cartridge configured to defeat the jaw closure lockout when the staple cartridge is seated in the stapling instrument.

Abstract: An adapter assembly includes a switch actuator, an actuation bar, and a latch. The switch actuator is movable between a proximal position, in which the switch actuator actuates a switch, and a distal position. The latch is movable between a first position, in which the latch permits proximal movement of the switch actuator, and a second position, in which the latch prevents proximal movement of the switch actuator. The latch is configured to move from the first position toward the second position in response to the actuation bar moving toward a proximal position.

Abstract: A surgical stapling assembly that includes a surgical stapling device that has a lockout that is movable between a locked position and an unlocked position. The assembly further includes a staple cartridge with a first cam surface configured to cammingly engage a primary portion of the lockout to move the lockout laterally from the locked position and a second cam surface configured cammingly engage a secondary portion of the lockout to further move the lockout laterally into the locked position when the cartridge is operably seated in the device.

Abstract: A method is used to manufacture a frame of a curved surgical stapler. The method includes manufacturing a first portion of the frame of the curved surgical stapler separate from the first portion. The first portion includes a first curvilinear portion of an end effector and a first alignment feature. The method also includes manufacturing a second portion of the frame of the curved surgical stapler. The second portion includes a second alignment feature. The method also includes manufacturing a third portion of the frame of the curved surgical stapler separate from either of the first or second portions. The third portion includes a C-shaped track. The method also includes aligning the first and second portions portion with the second portion by aligning the first and second alignment features. The method also includes coupling the first and second portions of the frame of the curved surgical stapler together.

Abstract: A surgical instrument is disclosed including a housing assembly, a shaft assembly coupled to the housing assembly, at least one radio-frequency identification scanner configured to receive information from radio-frequency identification tags which correspond to components which are couplable to the surgical instrument, and a control circuit. The control circuit is configured to determine, for each component, authenticity of the component based on the information received from the radio-frequency identification tags.

Abstract: A surgical stapling instrument is disclosed that includes a first jaw configured to removably support a surgical staple cartridge therein and a second jaw that is movable relative to the first jaw between an open position and a closed position. A closure lockout is movable between a locked position wherein the second jaw is retained in the open position by the closure lockout and an unlocked position wherein the second jaw is movable to the closed position. The closure lockout is configured to interface with an unlocking feature on a surgical staple cartridge supported in the first jaw such that when the unlocking feature operably interfaces with the closure lockout, the closure lockout moves to the unlocked position. The stapling instrument may further include a firing member lockout system for preventing movement of a firing member unless a camming assembly of the staple cartridge is in an unfired position.

Abstract: A method of operating a surgical tool includes sending a command signal from a computer system to a motor to drive rotation of a drive shaft mounted within a drive housing of the surgical tool, monitoring one or more operational parameters of the motor with one or more monitoring devices in communication with the computer system, and measuring an unexpected change in the operational parameters of the motor with the monitoring devices. The unexpected change includes a measured operational parameter that is inconsistent with the command signal. The unexpected change is reported to the computer system as a bailout signal, and the surgical tool is disabled once the bailout signal is received at the computer system.

Abstract: A surgical instrument comprising an elongate channel, an anvil, a staple cartridge, a firing member, and a lockout key is disclosed. The elongate channel comprises a blocking member. The staple cartridge comprises staples and a sled movable from a proximal end position to an intermediate position and then to a distal position during a staple firing stroke. The firing member is movable distally to advance the sled through the staple cartridge during the staple firing stroke to eject the staples from the staple cartridge. The firing member comprises a cutting edge. The lockout key is movably mounted to the sled. The lockout key is movable between an unactuated position and an actuated position during the staple firing stroke. The lockout key lifts the firing member over the blocking member when the lockout key is moved from the unactuated position toward the actuated position.

Abstract: A surgical system is disclosed that comprises a stapling instrument including a staple firing lockout and a staple cartridge configured to defeat the staple firing lockout when the staple cartridge is seated in the stapling instrument.

Abstract: A surgical stapler includes a body, a shaft assembly, and an end effector at a distal end of the shaft assembly. The end effector is actuatable between an open state for receiving tissue and a closed state for clamping the tissue. A closure system is operable to actuate the end effector from the open state to the closed state. A firing system is operable to actuate the end effector in the closed state to staple the clamped tissue. A firing lockout mechanism is movable between a lockout state that inhibits actuation of the firing system, and a bypass state that permits actuation of the firing system. The firing lockout mechanism is configured to maintain the lockout state until the end effector assumes the closed state, and is further configured to transition from the lockout state to the bypass state in response to the end effector assuming the closed state.

Abstract: A reload assembly includes a shell housing, a knife carrier, a lockout component, and a hook component. The lockout component is supported on an inner wall of the knife carrier and has a body formed of a resilient material that defines a window. The hook component is supported on the inner housing portion of the shell housing and includes a body having a hook that is received within the window of the lockout component when the knife carrier is in its retracted position after the reload assembly has been fired to obstruct readvancement of the knife carrier.

Abstract: A surgical instrument may include a handle and an elongated shaft extending distally from the handle. The surgical instrument may also include a fastener deployment system for deploying fasteners from the elongated shaft including a reciprocating driveshaft disposed within the elongated shaft. The fastener deployment system may include a follower disposed within the elongated shaft for displacing one or more fasteners within the elongated shaft towards a distal fastener deployment position. The surgical instrument may include a removable preload lock-out attached to the elongated shaft to prevent the follower from applying a preload to the fasteners.

Abstract: A surgical stapler includes first and second elongate members, a clamp member, and a firing assembly. The second elongate member is configured to receive a staple cartridge. The clamp member is operable to releasably clamp the first elongate member against the second elongate member. The firing assembly is translatable to fire the staple cartridge. The firing assembly includes a slider and an actuator configured to be selectively actuated by a user. The slider includes inner and outer engagement features. The actuator includes inner and outer engagement features. The inner engagement feature of the actuator is configured to engage with the inner engagement feature of the slider at a first interface when the actuator moves relative to the slider. The outer engagement feature of the actuator is configured to engage the outer engagement feature of the slider at a second interface when the actuator moves relative to the slider.