Abstract: A handheld electromechanical surgical device includes a handle assembly, an adapter assembly, a reload, and an electrical assembly. The handle assembly includes a connecting portion having an electrical connector supported therein. The adapter assembly includes an adapter housing selectively connectable to the connecting portion of the handle assembly and an outer tube extending distally from the adapter housing. The reload includes a housing selectively connectable to the outer tube of the adapter assembly and a circuit board assembly disposed within the reload housing. The electrical assembly includes a flex cable having an elongate body positionable against an outer surface of the adapter assembly. A proximal end of the flex cable is positionable within a cavity defined in the adapter housing and configured to electrically connect with the electrical connector of the handle assembly. A distal end of the flex cable is coupled to the circuit board assembly of the reload.

Abstract: A reload assembly includes a shell housing, a knife carrier, and at least one engagement member. The shell housing includes an inner housing portion and an outer housing portion that is spaced from the outer housing portion to define an annular cavity. The knife carrier defines a longitudinal axis and supports a knife. The knife carrier also defines a stepped central bore having a distal portion and a proximal portion and has a shoulder positioned between the distal and proximal portions. The at least one engagement member is supported on the knife carrier and is positioned to engage the inner housing portion of the shell housing when the knife carrier is in its retracted position to retain the knife carrier in the retracted position.

Abstract: A delivery system for trans-oral insertion of an anvil assembly is provided. The anvil delivery system includes a flexible tube configured for trans-oral insertion into a patient, and a light assembly disposed within the flexible tube configured to emit a light.

Abstract: A trocar assembly for releasable engagement with an adapter assembly of a surgical stapling instrument includes a housing having a first end cap and a second end cap, a trocar member rotatably supported with the housing and movable between a retracted position and an advanced position, and a drive member rotatably supported within the housing. The trocar member includes a threaded body and defines a longitudinal channel. The drive member includes a drive portion received within the longitudinal channel of the trocar member. Rotation of the drive member causes longitudinal movement of the trocar member.

Abstract: The present disclosure relates to force sensors and force sensor substrates for use with surgical devices.

Abstract: A reload assembly a shell housing, a staple cartridge, a pusher assembly, a knife carrier, an annular knife, and a spring clip. The shell housing includes an inner housing portion that defines a central bore. The knife carrier includes a body defining a longitudinal axis and a cutout and is movable within the shell housing between advanced and retracted positions. The spring clip is supported on the inner housing portion of the shell housing and has a locking tang and an engagement portion. The spring clip is movable from a first position in which the locking tang is received within the cutout of the knife carrier to obstruct advancement of the knife carrier to a second position in which the locking tang is removed from the cutout of the knife carrier.

Abstract: Surgical devices having a valve to facilitate thoroughly cleaning and drying the surgical devices, tools for opening the valve, and methods of using or operating the same are disclosed.

Abstract: A surgical device includes an outer sleeve, and a luer. The outer sleeve includes an inner wall, a port and a housing. The port extends through the inner wall of the outer sleeve, and the housing is disposed within the port. The luer is configured for selective engagement with the housing, and includes an input portion and an exit port. The input portion is disposed radially outward of the outer sleeve when the luer is engaged with the housing. The input portion is configured for engagement with a source of fluid. The exit port is disposed radially inward of the inner wall of the outer sleeve when the luer is engaged with the housing.

Abstract: A loading unit includes a shell assembly, a lock collar, and a release collar. The shell assembly has a coupling ring that defines a lock slot and a proximal opening configured to receive a distal end portion of a surgical instrument. The lock collar is disposed about the coupling ring and has a radially extending lock that is configured to be received within the lock slot. The lock collar is transitionable between a locked configuration in which the lock is positioned within the lock slot and an unlocked configuration in which the lock is lifted from within the lock slot. The release collar is disposed about the coupling ring proximal of the lock collar and is transitionable between an unactuated position and an actuated position. The release collar transitioning the lock collar to the unlocked configuration as the release collar is translated from the unactutated position towards the actuated position.

Abstract: Adapter assemblies for connecting loading units to handle assemblies include a trocar assembly releasably securable within an elongate body by a retaining mechanism. The retaining mechanism includes first and second retention members pivotable between a locked position in which the first and second retention members are positioned to be received within respective first and second openings in a trocar housing of the trocar assembly when the trocar assembly is received within a distal portion of the elongate body, and a release position in which the first and second retention members are positioned to be spaced from the respective first and second openings in the trocar housing when the trocar assembly is received within the distal portion of the elongate body, wherein engagement of the first and second retention members with the seal member when in the locked position frictionally retains the first and second retention members in the locked position.

Abstract: Adapter assemblies include a trocar assembly releasably securable within an elongate body by a retaining mechanism. The retaining mechanism includes a housing, and first and second flexible arms extending from the housing. The first and second flexible arms each include a free end, and a locking portion disposed on the free end. The locking portions of the first and second flexible arms are positioned to be received within first and second cutouts of a trocar housing of the trocar assembly when the trocar assembly is received within the distal portion of the elongate body and in a first rotational orientation relative to the longitudinal axis, and the locking portions of the first and second flexible arms are flexed radially outward from the respective first and second cutouts when the trocar assembly is in a second rotational orientation relative to the longitudinal axis.

Abstract: Adapter assemblies include a trocar assembly releasably securable within an elongate body by a retaining mechanism. The retaining mechanism includes first and second retention members movable between a locked position in which the first and second retention members are positioned to retain the trocar assembly within the elongate body, and an unlocked position in which the first and second retention member are positioned permit release of the trocar assembly. Each of the first and second retention members includes a first camming surface configured to engage the trocar housing as the trocar assembly is received within the elongate body to move the first and second retention members to the unlocked position, and a second camming surface configured to engage the trocar housing when the trocar assembly is rotated about the longitudinal axis of the distal portion to move the first and second retention members to the unlocked position.

Abstract: An adapter assembly for connecting a loading unit to a handle assembly is provided. The adapter assembly includes a sleeve, a removable trocar assembly releasably securable with the sleeve, and a locking assembly configured to releasably secure the trocar assembly within the sleeve. The locking assembly includes first and second button members and corresponding first and second locking members for releasably securing the trocar assembly.

Abstract: An adapter assembly includes a sleeve, a trocar assembly releasably securable within the sleeve, and a retaining mechanism configured to releasably secure the trocar assembly within the sleeve. The retaining mechanism includes a retaining block, a cam wire moveably positioned relative to the retaining block between a lock position and a release position, a retaining block extension for maintaining the cam wire relative to the retaining block, a button member in operable engagement with the cam wire, and a pair of retaining members. The button member includes a center beam moveable from an unflexed position in engagement with a stop tab of the retaining block extension to prevent movement of the button member to a flexed position out of alignment with the stop tab to permit movement of the button member.

Abstract: An anvil assembly is provided. The anvil assembly includes center rod assembly, a head assembly pivotal relative to the center rod assembly between an operative position and a tilted position, and a mechanism for selectively maintaining the head assembly in the operative position.

Abstract: A surgical anvil assembly for use with a circular stapling instrument includes an anvil center rod defining a longitudinal axis and an anvil head pivotally coupled to the anvil center rod and movable between a first operative condition and a second tilted condition. The anvil assembly further includes a locking assembly configured to selectively lock the anvil head in each of the first and second conditions.

Abstract: A handheld electromechanical surgical device includes a handle assembly, an adapter assembly, a reload, and an electrical assembly. The handle assembly includes a connecting portion having an electrical connector supported therein. The adapter assembly includes an adapter housing selectively connectable to the connecting portion of the handle assembly and an outer tube extending distally from the adapter housing. The reload includes a housing selectively connectable to the outer tube of the adapter assembly and a circuit board assembly disposed within the reload housing. The electrical assembly includes a flex cable having an elongate body positionable against an outer surface of the adapter assembly. A proximal end of the flex cable is positionable within a cavity defined in the adapter housing and configured to electrically connect with the electrical connector of the handle assembly. A distal end of the flex cable is coupled to the circuit board assembly of the reload.

Abstract: A reload assembly includes a shell housing, a knife carrier, and at least one engagement member. The shell housing includes an inner housing portion and an outer housing portion that is spaced from the inner housing portion to define an annular cavity. A catch is supported within the annular cavity. The knife carrier defines a longitudinal axis and supports a knife. The knife carrier also supports a resilient locking member that is positioned to engage the catch when the knife carrier is in its retracted position after the reload assembly has been fired to retain the knife carrier in the retracted position.

Abstract: A method of assembling a hermetically sealed printed circuit board includes: securing a flange of a cap against an electrical contact region on a first side of a substrate, the flange extending across a first end portion of a wall of the cap, the wall extending around the electrical contact region and including a second end portion disposed in an open configuration; and closing the second end portion of the wall to form a hermetically sealed chamber around the electrical contact region.

Abstract: An adapter assembly of a circular stapling instrument includes a load sensing assembly configured to measure a load exerted on a tubular housing of the adapter assembly. The load sensor assembly has a sensor body, electrical components supported by the sensor body, and a hermetic seal assembly enclosing the electrical components. The hermetic seal assembly includes a stamped base portion and an overmolded upper portion.