Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

Abstract: A surgical device includes a handle assembly having a controller and an adapter assembly including a tubular housing having a proximal end portion configured to couple to the handle assembly and a distal end portion. The adapter assembly also includes a load sensing assembly disposed with the tubular housing. The load sensing assembly is configured to measure a load exerted on the tubular housing and includes: a sensor body having a pocket defined therein; a load sensor circuit disposed within the pocket and coupled to the sensor body; and a signal processing circuit disposed within the pocket and electrically coupled to the load sensor circuit. The load sensing assembly further includes a cover disposed over the pocket and enclosing the load sensor circuit and the signal processing circuit therein, the cover being coupled to the sensor body thereby forming a first hermetic seal therebetween.

Abstract: A force sensor arrangement for use in a surgical device includes a support block supported within the surgical device and defining a support block surface; a load sensor disposed axially adjacent the support block, the load sensor defining a sensor surface; and a spherical disc interposed between the support block and the load sensor, and in contact with the support block surface and the sensor surface, wherein the spherical disc defines a first side in contact with the sensor surface, and a second side in contact with the support block surface, wherein the second side of the spherical disc has a spherical profile and the support block surface has a complimentary spherical profile.

Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

Abstract: An anvil assembly suitable for trans-oral delivery includes an anvil head configured to receive a suture that secures the anvil head in a delivery position and is separable from the anvil head following delivery of the anvil assembly. An anvil delivery assembly includes the anvil assembly, a delivery assembly secured to the anvil assembly, and a suture selectively secured to the anvil assembly for securing the anvil assembly in a delivery position and retrieving the anvil assembly.

Abstract: Inserts and features to reduce or prevent spline crash in surgical staplers and/or to minimize damage resulting from spline crash in surgical staplers. An insert for a surgical stapler includes a body and spline covers. The body is configured to fit within a bore of a shell assembly and the spline covers extend inward from the body. Each of the spline covers are sized and dimensioned to cap a distal portion of splines of the shell assembly. A shell assembly for a surgical stapler includes shell splines that are disposed on an inner wall of an inner housing portion that defines a bore. The shell splines include a lead spline that has a leading end positioned distal of a leading end of each of the other shell splines.

Abstract: A surgical system includes a power source, a handle housing, a motor, an adapter assembly, an end effector, and a correction unit. The motor is disposed within the handle housing and is in electrical communication with the power source. The adapter assembly is operably coupled to the handle housing and supports an input and an output shaft coupled by the universal joint. The input shaft is in mechanical communication with the motor. The end effector is coupled to the adapter assembly and is selectively articulatable relative to the adapter assembly. The correction unit is in electrical communication with the power source and the motor and is configured to adjust the input shaft speed of the input shaft to maintain a substantially constant output shaft speed of the output shaft as the end effector articulates relative to the adapter assembly.

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

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: Inserts and features to reduce or prevent spline crash in surgical staplers and/or to minimize damage resulting from spline crash in surgical staplers. An insert for a surgical stapler includes a body and spline covers. The body is configured to fit within a bore of a shell assembly and the spline covers extend inward from the body. Each of the spline covers are sized and dimensioned to cap a distal portion of splines of the shell assembly. A shell assembly for a surgical stapler includes shell splines that are disposed on an inner wall of an inner housing portion that defines a bore. The shell splines include a lead spline that has a leading end positioned distal of a leading end of each of the other shell splines.

Abstract: A method for obviating spline crash in a surgical stapler that utilizes a motor of the surgical stapler includes oscillating an anvil retainer of the surgical stapler in a first oscillation pattern, oscillating the anvil retainer in a second oscillation pattern that is different from the first oscillation pattern after the first oscillation pattern, and retracting the anvil retainer until an anvil of the surgical stapler is in a clamped position relative to a shell assembly after the second oscillation pattern. Oscillating the anvil retainer in the first oscillation pattern includes oscillating the anvil retainer in a longitudinal direction between extension and retraction with the motor such that the anvil moves towards and away from the shell assembly. Oscillating the anvil retainer in the second oscillation pattern includes moving the anvil towards and away from the shell assembly.

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 handheld electromechanical surgical device, capable of effectuating a surgical procedure, includes a handle assembly having a power source; at least one motor coupled to the power source; and a controller configured to control the motor. The surgical device includes an adapter assembly having an electrical assembly having a proximal end in communication with the controller of the handle assembly. The surgical device includes a reload configured to selectively connect to a distal end of the adapter assembly. The reload includes an annular array of staples; an annular staple pusher for ejecting the staples; and a data storage device selectively connectable to a distal end of the electrical assembly. The data storage device receives and stores performance data of the surgical device from the controller of the handle assembly.

Abstract: A surgical device including a handle assembly, an elongated portion, and outer band assembly, and inner band assembly, a trocar assembly, and a seal assembly is disclosed. At least a portion of the outer band assembly is disposed radially within the outer sleeve. At least a portion of the trocar assembly is disposed radially within the inner band assembly. The seal assembly includes a first annular seal and a second annular seal. The first annular seal is disposed radially inward of the outer sleeve and radially outward of the outer band assembly. The second annular seal is disposed radially inward of the outer band assembly and radially outward of the inner band assembly.

Abstract: A trocar assembly for releasable engagement with an adapter assembly of a surgical stapling instrument includes a trocar mechanism that includes a trocar member that is at least one of rotatable or articulable relative to a housing of the trocar assembly.

Abstract: A handheld electromechanical surgical device, capable of effectuating a surgical procedure, includes a handle assembly having a power source; at least one motor coupled to the power source; and a controller configured to control the motor. The surgical device includes an adapter assembly having an electrical assembly having a proximal end in communication with the controller of the handle assembly. The surgical device includes a reload configured to selectively connect to a distal end of the adapter assembly. The reload includes an annular array of staples; an annular staple pusher for ejecting the staples; and a data storage device selectively connectable to a distal end of the electrical assembly. The data storage device receives and stores performance data of the surgical device from the controller of the handle assembly.

Abstract: A force sensor includes a substrate, a plurality of sensing elements, and a plate. The substrate includes a central aperture extending along a longitudinal axis of the substrate, and has a proximal surface, a distal surface, a first side surface, a second side surface, a top surface, and a bottom surface. A recess is defined in at least one of the distal surface, the first side surface, the second side surface, the top surface, or the bottom surface of the substrate. The plurality of sensing elements are disposed within the recess, and the plate is disposed over the recess and mounted to the substrate to hermetically seal the plurality of sensing elements within the substrate.

Abstract: A loading unit includes a shell assembly and a locking collar. The shell assembly has an annular ring that defines a locking slot and a proximal opening. The proximal opening configured to receive a distal end portion of the surgical instrument. The locking collar is rotatably disposed about the annular ring. The locking collar has a body including a flexible tab that has an inwardly extending lock. The locking collar is moveable about the annular ring between a locked and unlocked configuration. In the locked configuration, the lock passes through the locking slot and into the proximal opening of the annular ring. In the unlocked configuration, the body of the locking collar is rotated about the annular ring from the locked configuration to move the lock from within the proximal opening.