Abstract: A power tool including a power base and a tool head. The power base includes a trigger and a motor such that the trigger actuatable to drive the motor. The tool head is driven by the motor, and includes a lockout mechanism that inhibits actuation of the trigger in a locked. The lockout mechanism is manually rotatable from the locked position to an unlocked position in which the trigger is actuatable to drive the motor.

Abstract: An electric tool is provided. The electric tool prevents anomalies in motor rotation due to dust and moisture sucked in together with a cooling wind, and is configured such that rotational position detection operations and switch operations are not affected. In the electric tool which drives a brushless DC motor using a controller, a magnetic body for rotational position detection is provided on a rotation shaft which can rotate integrally with a rotor, Hall ICs are provided to detect the rotational position of the magnetic body and output a position signal to the controller, and the magnetic body and the Hall ICs mounted on a substrate are arranged in a region isolated from the wind path of the cooling wind generated by rotation of a cooling fan. The Hall ICs are accommodated in a housing filled with resin.

Abstract: The main spindle device for a machine tool is provided with: a bearing for rotatably supporting the main spindle; a bearing case for holding the bearing; a housing inside which the bearing case is disposed; and a stiffness-switching device, which supports the bearing case with respect to the housing and is able to switch the stiffness of the bearing case support between multiple levels. When the stiffness-switching device is supporting the bearing case at a low stiffness, the main spindle device is formed so that the bearing case slides with respect to the housing. A friction member is disposed on the area where the bearing case slides with respect to the housing.

Abstract: An end effector for a surgical instrument is disclosed. The end effector comprises a frame and a first jaw. The first jaw comprises a cartridge body, a plurality of fastener cavities, a longitudinal row of fastener drivers, a longitudinal row of first fasteners, and a longitudinal row of second fasteners. Each first fastener defines a first unfired height and each second fastener defines a second unfired height. The end effector further comprises a second jaw extending fixedly from the frame. The second jaw comprises an anvil configured to deform the first fasteners to a first fired height and the second fasteners to a second fired height. The end effector further comprises a firing member including a first portion configured to engage the first jaw and a second portion configured to engage the second jaw.

Abstract: A device for driving a fastening element into a substratum comprises a mechanical energy store for storing mechanical energy, an energy transfer apparatus for transferring energy from an electrical energy source to the mechanical energy store, and an electronic control apparatus, which is supplied with electrical energy by the electrical energy source and is suitable for initiating an energy withdrawal process when the supply of energy to the control apparatus by the electrical energy source is interrupted. In the energy withdrawal process, energy possibly stored in the mechanical energy store is converted into electrical energy and fed to the control apparatus in order to supply the control apparatus.

Abstract: An assembly for joining tissue portions is provided and includes an anvil assembly and a body portion juxtaposed with respect to one another along a shaft and arranged so as to be approximated with respect to one another; and an applicator disposed between the body portion and anvil assembly and configured for retaining a wound treatment material therein. The applicator has channels arranged for dispensing the wound treatment material therefrom onto an interface between the tissue portions. A method of joining the tissue portions is also provided and includes the steps of dispensing the wound treatment material from the applicator so as to distribute wound treatment material onto an interface between a first tissue portion and a second tissue portion; and approximating the anvil assembly and the body portion to one another so that the first and second tissue portions are in contact with one another.

Abstract: A surgical fastener applying apparatus including an anvil half-section having a distal end and a longitudinal axis; a cartridge receiving half-section having a distal end and operatively couplable with the anvil half-section such that the distal ends of the half-sections are in juxtaposed relation; and a deflection control system operatively engaged with and reinforcing the distal end of the anvil half-section when a force is applied to the distal end of the anvil half-section in a direction transverse to the longitudinal axis.

Abstract: A surgical stapling instrument comprising an elongate shaft assembly that defines a shaft axis and includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical end effector includes a cartridge support member that is configured to operably support a surgical staple cartridge therein. The surgical instrument further includes a longitudinally movable firing beam that extends through the articulation joint and is selectively axially movable from a starting position to an ending position within the surgical end effector. A firing beam locking assembly comprising a biasing member is operably supported on the articulation joint and is configured to apply a biasing motion to the firing beam to bias the firing beam into a locked position wherein the firing beam is prevented from moving from the starting to the ending position unless an unfired surgical staple cartridge is operably supported in the cartridge support member.

Abstract: A surgical instrument for treating the tissue of a patient is disclosed. The surgical instrument comprises a staple cartridge. The staple cartridge comprises staple cavities and a longitudinal slot. The surgical instrument further comprises staples removably positioned in the staple cavities, a cutting member movable within the longitudinal slot, a firing system configured to elect the staples from the staple cavities to staple the tissue, a cutting system configured to move the cutting member within the longitudinal slot to cut the tissue, and a control system configured to operate the firing system and the cutting system independently of one another.

Abstract: A surgical instrument comprising a gap setting system is disclosed.

Abstract: A surgical stapling system for stapling patient tissue is disclosed. The surgical stapling system comprises an end effector and an actuation system. The end effector comprises a first jaw, a movable jaw operably attached to the first jaw, and a plurality of staples. The actuation system is configured to actuate the movable jaw toward the first jaw to clamp the patient tissue against the first jaw while the movable jaw progressively drives the staples against the first jaw to staple the patient tissue.

Abstract: A foot attachment for a pneumatic rotary tool is configured to be attached to a nose portion of the housing of the tool. The rotary tool includes a housing that defines an air flow channel. A nose portion of the housing defines an air flow inlet for the air flow channel. The foot attachment includes a shroud portion that extends from the nose portion of the housing and surrounds a working space in front of the nose portion of the housing. The shroud portion defines at least one tangential opening that directs air flow into the shroud portion along a tangent such that a vortex is generated within the working space.

Abstract: A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened.

Abstract: A staple cartridge comprising a cartridge body and staples is disclosed. The cartridge body comprises a tissue-facing deck wherein a slot extends along at least a portion of the tissue-facing deck, staple cavities arranged in a plurality of rows comprising an inner row and an outer row on a first side of the slot, and projections extending from the tissue-facing deck. The staples comprise a first staple comprising a first staple height and a second staple comprising a second staple height greater than the first staple height. The first staple is positioned in an unfired position in a staple cavity in the inner row and the second staple is positioned in an unfired position in a staple cavity in the outer row. At least one projection is positioned to provide localized tissue compression on the first side of the slot intermediate the first staple and the second staple.

Abstract: This disclosure provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device may include a medical device for delivery of a surgical closure member. The medical device includes an elongate tubular member having a proximal end, a distal end and a lumen extending therein. The elongate tubular member is adapted to be delivered through the working channel of an endoscope and the lumen is adapted to receive a surgical closure member. The medical device also includes a tissue support extending from the distal end of the elongate tubular member. The tissue support includes a support surface and the support surface is adapted to support tissue as a surgical closure member engages the tissue thereon.

Abstract: A tie rod for use with a powered hammer assembly is provided that includes a body that defines a first end that is configured as a torque end, a second end that is configured as a fastening connecting end, and a longitudinal axis that extends from the first end to the second end, and a bearing surface that is positioned proximate the torque end along the longitudinal axis and that defines a tangent to the surface that forms an oblique angle with the longitudinal axis.

Abstract: A tool assembly for a surgical device includes a first jaw member defining a first tissue contact surface and a second jaw member defining a second tissue contact surface. The first jaw member and the second jaw member are movable in relation to each other between open and closed positions wherein, in the closed position, the first and second tissue contact surfaces are spaced apart from each other and define a tissue gap. A compressible material is secured to a distal end of the first jaw member. The compressible material engages the second jaw member when the first and second jaw members are in the closed position. A surgical device includes the aforementioned tool assembly. A kit includes the compressible material secured on a tool assembly of a surgical device. A method of manufacturing the tool assembly and securing the compressible material is disclosed.

Abstract: A surgical stapling apparatus is provided including a cartridge assembly defining a tissue contacting surface; an anvil assembly defining a tissue contacting surface; and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor. A loading unit is provided including a surgical buttress releasably secured to an anvil assembly and/or a staple cartridge secured thereto by at least one anchor, and a drive assembly including a knife blade, wherein movement of the drive assembly from a proximal position to a distal position results in the knife blade cutting the at least one anchor and freeing each surgical buttress from the anvil assembly and/or cartridge assembly.

Abstract: A floor nailing gun applicable to a floor having a lateral side with a recess structure or a protrusion structure includes a floor nailing gun main body that has a base plate for matching an upper surface of the floor, a supporting seat for matching the ground, and a positioning block used for matching the recess structure or the protrusion structure of the lateral side of the floor. The base plate and the supporting seat are respectively disposed on upper and lower sides of the floor nailing gun main body by a fastener. The positioning block is fastened between an end portion of the floor nailing gun main body such that the positioning block is positioned between the base plate and the supporting seat. The positioning block comprises at least two positioning surfaces.

Abstract: A surgical staple cartridge is disclosed comprising a plurality of staples removably stored within the surgical staple cartridge. The staples comprise staple legs which extend from a staple base portion. The staple legs comprise staple tips configured to pierce tissue and contact a corresponding forming pocket of an anvil of surgical stapling instrument.