4973 results about "Annular array" patented technology

An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge component, an anvil component, a buttress component and a fastening member. The staple cartridge component includes a plurality of surgical staples arranged in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components. The buttress components are configured and dimensioned to be positioned on a distal surface of the staple cartridge component and the proximal surface of the anvil component. In particular, the buttress component includes a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member. The fastening member is configured and dimensioned to engage the plurality of circumferentially arranged tabs to securely position the buttress component on the staple cartridge component.

A surgical stapler is provided. The stapler includes a tubular body portion. A cartridge assembly is disposed at a distal end of the body portion for expelling an annular array of staples. Each of the staples of the annular array of staples has a generally bent backspan. An anvil member disposed at the distal end of the tubular body portion is positioned opposite the cartridge assembly to clinch the staples in tissue upon expulsion of the staples from the cartridge assembly. The anvil member has a corresponding annular array of staple forming buckets. Each of the buckets is configured to accommodate the generally bent configuration of the staples to facilitate formation thereof.

An apparatus for joining two hollow organ sections with an annular array of staples includes a staple cartridge assembly, an anvil assembly, and a buttress assembly. The staple cartridge assembly includes a plurality of surgical staples in an annular array. The anvil assembly includes an anvil member and a shaft extending therefrom. The anvil member defines a plurality of staple pockets for deforming the staples. The anvil assembly is movable relative to the staple cartridge assembly between spaced apart and approximated positions to adjustably clamp tissue between the staple cartridge and the anvil assemblies. The buttress assembly includes a cut ring secured with the anvil member, a buttress member disposed in a superposed relation with the plurality of staple pockets defined in the anvil member, and a retaining member having an attaching member configured to be secured with the cut ring to secure the buttress member with the anvil assembly.

An apparatus for joining two hollow organ sections includes a staple cartridge component, an anvil component, a knife member, a buttress mount and a buttress member. The staple cartridge component includes a plurality of surgical staples in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue. The knife member is movable relative to the staple cartridge component. The buttress mount is concentrically disposed at least partially within the lumen of the knife member. The buttress mount includes a plurality of spokes radially extending outward and a plurality of legs detachably secured with an inner wall of the knife member. The buttress member is secured with the plurality of spokes of the buttress mount. The buttress member is concentrically aligned with the plurality of surgical staples.

A device for brain stimulation includes a lead body having a longitudinal surface and a distal end. The device further includes at least one ring array. The at least one ring array includes a plurality of split ring electrodes disposed on the distal end of the lead body. Each of the plurality of split ring electrodes includes a stimulating portion and a base portion coupled to the stimulating portion. The split ring electrodes of the at least one ring array are arranged about the circumference of the lead body. At least a portion of the base portion of at least one of the plurality of split ring electrodes is disposed below, and insulated from, at least a portion of the stimulating portion of another of the plurality of split electrodes.

A surgical stapling device for joining tissue portions includes a handle assembly, and a tubular body portion having a staple cartridge assembly containing a plurality of surgical staples in an annular array. The surgical stapling device includes an anvil assembly having a shaft for removably connecting the anvil assembly to the tubular body portion. The anvil assembly and the tubular body portion are juxtaposed with respect to one another along the shaft and are arranged so as to be approximated with respect to one another. The surgical stapling device includes a buttress material supported by the tubular body portion and disposed between the anvil assembly and the staple cartridge assembly. The surgical stapling device includes a suture material that is adapted for engagement with the tubular body portion and the buttress material to secure the buttress material to the tubular body portion.

An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge, an anvil, a buttress member, and a buttress mount. In particular, the staple cartridge includes a plurality of surgical staples in an annular array. The anvil includes an anvil member and a shaft extending therefrom. The anvil member defines a plurality of staple pockets for deforming the surgical staples. The anvil is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue between the staple cartridge and the anvil. The buttress member is concentrically aligned with the plurality of staple pockets defined in the anvil member. The buttress mount is detachably secured with the shaft of the anvil. The buttress mount includes at least one support member radially extending outward to secure the buttress member to the anvil member.

An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge, an anvil, a buttress member, and a buttress mount. In particular, the staple cartridge includes a plurality of surgical staples in an annular array. The anvil includes an anvil member and a shaft extending therefrom. The anvil member defines a plurality of staple pockets for deforming the surgical staples. The anvil is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue between the staple cartridge and the anvil. The buttress member is concentrically aligned with the plurality of staple pockets defined in the anvil member. The buttress mount is detachably secured with the shaft of the anvil. The buttress mount includes at least one support member radially extending outward to secure the buttress member to the anvil member.

A surgical stapling device for joining tissue portions includes a handle assembly, and a tubular body portion having a staple cartridge assembly containing a plurality of surgical staples in an annular array. The surgical stapling device includes an anvil assembly having a shaft for removably connecting the anvil assembly to the tubular body portion. The anvil assembly and the tubular body portion are juxtaposed with respect to one another along the shaft and are arranged so as to be approximated with respect to one another. The surgical stapling device includes a buttress material supported by the tubular body portion and disposed between the anvil assembly and the staple cartridge assembly. The surgical stapling device includes a suture material that is adapted for engagement with the tubular body portion and the buttress material to secure the buttress material to the tubular body portion.

An apparatus for joining two hollow organ sections includes a staple cartridge component, an anvil component, a knife member, a buttress mount and a buttress member. The staple cartridge component includes a plurality of surgical staples in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue. The knife member is movable relative to the staple cartridge component. The buttress mount is concentrically disposed at least partially within the lumen of the knife member. The buttress mount includes a plurality of spokes radially extending outward and a plurality of legs detachably secured with an inner wall of the knife member. The buttress member is secured with the plurality of spokes of the buttress mount. The buttress member is concentrically aligned with the plurality of surgical staples.

A delivery appliance for delivering an expandable annular device, particularly an expandable intravascular device, to a desired location in a lumen, includes an annular array of supporting strips extending from a proximal end of the annular array to a distal end of the annular array, to define an annular supporting surface for the expandable annular device. Each of the supporting strips is laterally deformable to radially expand or radially contract the annular array and the annular supporting surface defined thereby. A connecting stem passes through the annular array of supporting strips and has a distal end coupled to the supporting strips at the distal end of the annular array for axial movement therewith, and a proximal end passing through the proximal end of the annular array of supporting strips for axial movement with respect thereto. The proximal end of the connecting stem is axially movable in opposite directions to move the distal end of the annular array axially away from or towards, the proximal end of the annular array to radially contract or radially expand the annular supporting surface.

The present disclosure provides a surgical stapling device and a method for joining tissue portions. The surgical stapling device includes a handle assembly and a tubular body portion supported on a distal end of the handle assembly having a staple cartridge assembly containing a plurality of surgical staples in an annular array. An anvil assembly is at a distal end of the stapling device and has a shaft for removably connecting the anvil assembly to the tubular body portion. The anvil assembly and tubular body portion are juxtaposed with respect to one another along the shaft and are arranged so as to be approximated with respect to one another. A support member extends from the tubular body portion towards the anvil assembly and a buttress material is supported by the support member and removably attached to the support member.

Ultrasound probes that transmits / receives ultrasound pulses with frequencies both in a low frequency (LF) and a high frequency (HF) band, where the radiation surfaces of said HF and LF bands at least have a common region. Several solutions for transmission (and reception) of LF and HF pulses through the same radiation surface are given. The arrays and elements can be of a general type, for example linear phased or switched arrays, or annular arrays or elements with division in both azimuth and elevation direction, like a 1.5D, a 1.75D and a full 2D array. The LF and HF element division and array apertures can also be different.

A buttress material and mounting structure assembly is provided for use with a circular surgical stapling device. The assembly comprises a ring-like mounting structure sized to have an outer diameter that frictionally engages a radial inner surface of a staple cartridge assembly, wherein the mounting structure is disposed within the radial inner surface of the staple cartridge assembly; an annular buttress material overlaying a tissue facing surface of the staple cartridge assembly, the annular buttress material defining an outer radial terminal edge extending radially beyond a pair of annular arrays of staple receiving slots, and a radial inner terminal edge extending across the mounting structure; and at least one suture securing the buttress material to the mounting structure.

An integrated fuel cell unit (10) includes an annular array (12) of fuel cell stacks (14), an annular cathode recuperator (20), an annular anode recuperator (22), a reformer (24), and an anode exhaust cooler (26), all integrated within a common housing structure (28).

A surgical stapler is provided. The surgical stapler includes a tubular body portion. A cartridge assembly (cartridge) is disposed at a distal end of the tubular body portion and defines a longitudinal axis therethrough. The cartridge includes a distal face having a stepped configuration defined by outer and inner steps arranged in descending order from the outer step to the inner step. An anvil member is disposed at the distal end of the tubular body portion and is positioned opposite the cartridge. The anvil member includes a proximal face having a stepped configuration defined by outer and inner steps arranged in descending order from the outer step to the inner step. The steps defined in the proximal face of the anvil member having a respective annular array of staple forming buckets disposed thereon to clinch the staples in tissue upon expulsion of the staples from the cartridge.