In an apparatus (1) for stapling sheets (10) deposited in stacks, stapling devices (6 and 7) are attached to a pivotable support (3) which is movable from a locked operating position (position I) into an easily accessible service position (position II). The stapling devices (6 and 7) are attached in easily detachable fashion to holders (4 and 5) which are guided displaceably on the shaft (8) and can be set to different stapling positions by a follower mechanism. Attached releasably to each of th...

A method and device for efficiently and effectively stapling an opening in an anatomical structure such as veins, arteries, organs, and other body members within a living body is disclosed. The opening may be from a deliberately placed incision, as from an invasive surgical procedure, or caused by other damaging events. The device includes a stapling mechanism having a main body with a handle, a trigger for activating the staples, and a central passage through which a balloon catheter may pass. ...

In a hand-operated punching device such as that incorporated with a stapler to enable the same both to staple and perforate sheets of paper or the like, an improved punch element is provided which is movable into and out of a hole in a die for perforation. The punch element has three or more sharp-edged cutting teeth formed peripherally on one end thereof in order to improve the perforating or cutting ability of the device. The axis of the pivot pin connecting the base, lever and staple magazine...

A pneumatic staple gun having a contact trigger is hingedly secured to an elongated hollow tubular handle including a hand grip adjustably positioned on the tubular handle intermediate the ends thereof. The handle includes a coupling for attachment to a high pressure pneumatic hose while the other end of the handle incorporates a flexible connection from the interior of the handle to the high pressure air input of the gun. The handle provides a conduit for high pressure air while a bracket secur...

An applicator unit is provided for fastening a plurality of sizes of belt fasteners to a belt by staples being guided and clinched by the apparatus. A staple guide block means is provided with fastener engaging and positioning portions which are shiftable relative to an underlying anvil means to accommodate different sizes of fasteners. To provide better belt penetration and to alleviate breakage of the central bridging portions of the staples, the bending surfaces in the anvil means bend the st...

A pneumatically actuated stapling plier device including a generally L-shaped cylinder member actuated by a piston mounted in cylinder positioned in the rearward end of the tubular part of the housing structure defining the handle portion thereof, the arrangement of the clincher member and its driving piston rendering the device less bulky and easier to handle and eliminating external connecting rods heretofore provided which are subject to damage during use. The device includes a sequencing val...

A medical stapling device in which open staples are moved along a track between two grooved rails by a drive member having spaced lugs. Upon activation of the device, the lugs are moved into engagement with the staples and advance them along the track so that the leading staple will be formed around an anvil at the end of the track and can suture living tissue adjacent the anvil. The portions of the staple that enter the tissue are smoothly curved so that they will enter like a surgeon's needle ...

A pneumatic stapler of the type having a working cylinder communicating with a surrounding air chamber by means of ports in the cylinder wall is provided with an annular valve means movable on the external surface of the cylinder wall. During the driving stroke of the piston said valve means closes the ports in the cylinder wall and opens an outlet passage for venting the air from the cylinder displaced by the piston and from the air chamber to the atmosphere. When the piston reaches the end of ...

A method and apparatus for simultaneously inserting a plurality of staples in a work piece wherein a plurality of stapling machines are supported from the work piece in spaced relation above the work piece and moved across the work piece. The stapling machines are lowered intermittently into contact with the work piece and actuated to drive staples in the work piece.

An endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they ...