Patent application number | Description | Published |
20100072251 | LOCKOUT ARRANGEMENT FOR A SURGICAL STAPLER - A surgical stapling instrument including a latch for securing first and second jaw members together, a cutting member which can be advanced and/or retracted relative to first and second jaw members, and, in addition, a lock which can prevent, or at least inhibit, the cutting member from being moved, or at least advanced, relative to the first and second jaw members before the latch has been closed. In at least one embodiment, the latch can be configured to engage the lock as the latch is moved from a fully open position to a fully closed position and operably disengage the lock from the cutting member. | 03-25-2010 |
20100072252 | SURGICAL STAPLER WITH APPARATUS FOR ADJUSTING STAPLE HEIGHT - A surgical stapling instrument including a staple sled which can be advanced and/or retracted relative to first and second jaw members, wherein the staple sled can be configured to deploy staples from a staple cartridge in one of the first and second jaw members. In at least one embodiment, the other of the first and second jaw members can include an anvil having at least one forming surface which can be configured to deform the staples as they are deployed from the staple cartridge. In at least one form of the invention, the anvil can be movably adjustable relative to the staple cartridge in order to adjust the distance in which the staples are deformed. In various embodiments, the anvil can be adjusted by a slidable adjusting plate and/or a rotatable cam. | 03-25-2010 |
20100072253 | SURGICAL STAPLER HAVING AN INTERMEDIATE CLOSING POSITION - A surgical stapling instrument including first and second jaw members which can be pivotably connected to each other and secured in position relative to each other by a latch. The first and second jaw members can include first and second locking members which can allow the first and second jaw members to be rotated relative to one another but prevent, or at least inhibit, the first and second jaw members from being separated from one another. Such embodiments may be particularly useful in circumstances when the latch is in a partially-closed position and the first and second jaw members are being manipulated to position tissue therebetween. The first and second jaw members can be sufficiently connected together in order to prevent, or at least reduce the possibility of, the first and second jaw members from becoming detached from one another and exposing a cutting member. | 03-25-2010 |
20100072256 | SURGICAL STAPLING INSTRUMENT WITH CUTTING MEMBER ARRANGEMENT - A surgical stapling instrument including a first jaw member, a second jaw member, and a cutting member. In at least one form of the invention, the surgical stapling instrument can further include a housing which can at least partially extend over and/or around the cutting member. In various embodiments, the housing can at least partially cover the cutting member when the first and second jaw members are detached from one another, yet permit the cutting member to be moved relative to the first and second jaw members during use. | 03-25-2010 |
20100213241 | STAPLE CARTRIDGE - A surgical stapling instrument and, in addition, a staple cartridge comprising a cutting member positioned therein. The staple cartridge can comprise alignment features configured to align the cutting member of the staple cartridge with a distal end of a drive bar when the staple cartridge is assembled to the surgical stapling instrument. | 08-26-2010 |
20110068145 | SURGICAL STAPLING INSTRUMENT WITH IMPROVED FIRING TRIGGER ARRANGEMENT - A surgical stapling instrument including an actuator knob which can be moved from one side of the stapling instrument to another side in order to reposition the actuator knob without having to reposition the stapling instrument within a surgical site. A stapling instrument can include a pusher bar, a housing having a first side and a second side, and an actuator knob rotatably mounted to the pusher bar wherein the actuator knob can be configured to be rotated between a first position in which the actuator knob can be moved along the first side of the housing and a second position where the actuator knob can be moved along a second side of the housing. Alternatively, a surgical stapling instrument can comprise one or more actuator knobs which can be operably engaged and disengaged with a pusher bar in order to selectively utilize the actuator knobs. | 03-24-2011 |
20110084113 | SURGICAL STAPLER COMPRISING A STAPLE POCKET - A surgical stapler can comprise an anvil comprising a staple pocket formed in a tissue contacting surface. The staple pocket can comprise a longitudinal axis, a first forming cup, and a second forming cup. The first forming cup can comprise a first interior sidewall comprising a first vertical portion which is substantially perpendicular to the tissue contacting surface. The second forming cup can comprise a second interior sidewall comprising a second vertical portion which is substantially perpendicular to the tissue contacting surface. The first vertical portion and the second vertical portion can extend through the longitudinal axis, wherein the first interior sidewall and the second interior sidewall can comprise a trap for deforming a first staple leg of a staple to a first side of the longitudinal axis and for deforming a second staple leg of the staple to a second side of the longitudinal axis. | 04-14-2011 |
20110084115 | SURGICAL STAPLER HAVING A CLOSURE MECHANISM - A surgical stapler comprising a first handle portion comprising a staple cartridge channel configured to receive a staple cartridge and a second handle portion comprising an anvil. The stapler further comprises a rotatable latch and a latch projection, wherein the latch is rotatably coupled to one of the first handle portion and the second handle portion and wherein the latch projection extends from the other of the first handle portion and the second handle portion. The latch is configured to engage the latch projection to move the first handle portion and the second handle portion toward one another. In various embodiments, the latch projection comprises a rotatable bearing wherein the latch is configured to contact the rotatable bearing when the latch engages the latch projection. | 04-14-2011 |
20110087276 | METHOD FOR FORMING A STAPLE - A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to an end of the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. | 04-14-2011 |
20110155787 | STAPLE CARTRIDGE - A surgical stapling instrument can include a staple cartridge, wherein the staple cartridge includes a cartridge body, a plurality of staples, a cutting member stored therein, and means for covering, enclosing, encasing, and/or protecting the cutting member. In various embodiments, the staple cartridge body can include a housing which can extend around and/or over the cutting member when the cutting member is in an unfired position. In various circumstances, the housing can protect a clinician as they assemble the staple cartridge to the surgical stapling instrument. | 06-30-2011 |
20110226837 | SURGICAL STAPLING INSTRUMENT - A surgical stapler can comprise an anvil comprising a staple pocket formed in a tissue contacting surface. The staple pocket can comprise a midline or centerline, a first forming cup, and a second forming cup. The first forming cup can comprise a first interior sidewall comprising a first vertical portion which is substantially perpendicular to the tissue contacting surface. The second forming cup can comprise a second interior sidewall comprising a second vertical portion which is substantially perpendicular to the tissue contacting surface. The first vertical portion and the second vertical portion can extend through the centerline, wherein the first interior sidewall and the second interior sidewall can comprise a trap for deforming a first staple leg of a staple to a first side of the centerline and for deforming a second staple leg of the staple to a second side of the centerline. | 09-22-2011 |
20120223123 | SURGICAL STAPLER WITH APPARATUS FOR ADJUSTING STAPLE HEIGHT - A surgical stapling instrument including a staple sled which can be advanced and/or retracted relative to first and second jaw members, wherein the staple sled can be configured to deploy staples from a staple cartridge in one of the first and second jaw members. In at least one embodiment, the other of the first and second jaw members can include an anvil having at least one forming surface which can be configured to deform the staples as they are deployed from the staple cartridge. In at least one form of the invention, the anvil can be movably adjustable relative to the staple cartridge in order to adjust the distance in which the staples are deformed. In various embodiments, the anvil can be adjusted by a slidable adjusting plate and/or a rotatable cam. | 09-06-2012 |
20130172929 | METHOD FOR FORMING A STAPLE - A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. | 07-04-2013 |
20140042205 | SURGICAL STAPLING INSTRUMENT - A surgical stapler can comprise an anvil comprising a staple pocket formed in a tissue contacting surface. The staple pocket can comprise a midline or centerline, a first forming cup, and a second forming cup. The first forming cup can comprise a first interior sidewall comprising a first vertical portion which is substantially perpendicular to the tissue contacting surface. The second forming cup can comprise a second interior sidewall comprising a second vertical portion which is substantially perpendicular to the tissue contacting surface. The first vertical portion and the second vertical portion can extend through the centerline, wherein the first interior sidewall and the second interior sidewall can comprise a trap for deforming a first staple leg of a staple to a first side of the centerline and for deforming a second staple leg of the staple to a second side of the centerline. | 02-13-2014 |