A surgical stapling device particularly suited for endoscopic procedures is described The device includes a handle assembly and an elongated body extending distally from the handle assembly The distal end of the elongated body is adapted to engage a disposable loading unit A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device

Surgical Stapling Apparatus

A surgical stapling instrument (1) comprises a body portion (2, 3), a handle (4) and a staple fastening assembly (8). The staple fastening assembly (8) includes a curved cartridge (10), which comprises at least one curved open row of staples, and a curved anvil (22), which is adapted to cooperate with the cartridge (10) for forming the ends of the staples exiting from the cartridge (10). The staple fastening assembly (8) is adapted to allow unobstructed access towards the concave inner faces of the cartridge (10) and the anvil (22). The cartridge (10) can be moved towards the anvil (22) from a spaced position for positioning tissue therebetween to a closed position for clamping the tissue. Preferably, a knife is contained within the cartridge (10) and is positioned such that there is at least one row of staples on at least one side of the knife.

Surgical stapling instrument

Newness and distinctiveness is claimed in the features of ornamentation as shown inside the broken line circle in the accompanying representation.

Display screen or portion thereof with graphical user interface

A surgical instrument can comprise a channel configured to support a staple cartridge and, in addition, an anvil pivotable between open and closed positions relative to the channel. The surgical instrument can further comprise a cutting member configured to incise tissue positioned captured between the staple cartridge and the anvil and, in addition, means for stopping the cutting member prior to a distal end datum, wherein the distal end datum can be defined by the distal-most staple cavity in the staple cartridge. In such embodiments, the incision within the tissue may not extend beyond the portion of the tissue that has been stapled.

Surgical stapling instrument with an articulatable end effector

A surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. Forming the E-beam from a thickened distal portion and a thinned proximal strip enhances manufacturability and facilitates use in such articulating surgical instruments.

Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism

An automatic lens delivery device using a linear actuator which is specially adapted for low torque, low heat applications, and can be used to insert a lens into a user's eye. The linear actuator uses two semiconductor devices which are moved one relative to the other. The movable device pushes a push rod that delivers a lens.

Foldable lens delivery system

A linear actuator device (20). A first mode of operation uses a single clamping technique whereby a piezoelectric element is slowly expanded, in a way such that a clamping force between that element and its base (38) holds it in place. The piezoelectric element (48) is then contracted in size very quickly, and inertia created by that action overcomes the clamping force and moves relative to the base (38). A second mode uses a double clamping technique where first the rear is clamped and the front moved forward then the front is clamped and the rear moved forward. All of these embodiments preferably use semiconductor materials, enabling formation of very thin layers and small devices.

Miniature linear motion actuator

Dispositif actionneur (20) a mouvement lineaire. Un premier mode de fonctionnement repose sur une technique de serrage selon laquelle un element piezo-electrique est dilate lentement, de telle maniere qu'une force de blocage entre cet element et sa base (38) le maintient en place. Ledit element piezo-electrique est ensuite contracte tres rapidement en taille, et l'inertie creee par ce mouvement depasse la force de blocage et deplace l'element par rapport a la base (38). Un second mode de fonctionnement repose sur une double technique de blocage selon laquelle l'arriere est d'abord bloque et l'avant deplace vers l'avant, et ensuite l'avant est bloque et l'arriere deplace vers l'avant. Tous ces modes de realisation utilisent de preference des materiaux semi-conducteurs, ce qui permet la formation de couches tres minces et de petits dispositifs.

Actionneur miniature a mouvement lineaire

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Foldable lens delivery system

Miniature linear motion actuator

Actionneur miniature a mouvement lineaire