摘要:
A device for joining a first body vessel to a second body vessel including a cartridge having a distal end and defining a longitudinal axis, a radially expandable anchor disposed at the distal end of the cartridge for engaging the first body vessel, the expandable anchor having an initial condition and an expanded condition wherein the expandable anchor is radially larger than the expandable anchor in the initial condition, and a plurality of sutures disposed within the cartridge and being deployable therefrom so as to engage the second body vessel, the sutures being threaded through the expandable anchor.
摘要:
A surgical instrument for anastomosis of first and second blood vessels is provided. The surgical instrument includes a housing having distal and proximal ends and a handle and a disposable loading unit removably mounted to the distal end of the housing. The housing includes upper and lower fastener support members having a passage defined therethrough configured to receive an end of the second blood vessel and configured to releasably support a plurality of substantially L-shaped surgical fasteners and a retractable anvil located at a distal end of the loading unit, the anvil being movable relative to the fastener support members in response to actuation of the handle to simultaneously deform the surgical fasteners.
摘要:
The present disclosure is directed to devices for approximating body vessels and method for performing the same. In accordance with one aspect of the present disclosure, the device includes an inner member, an outer member having a lumen dimensioned to receive the inner member, an expandable anchor for engaging the a first body vessel, and a joining member for engagement between the first body vessel and the second body vessel.
摘要:
Apparatus for performing a surgical anastomosis include a sleeve, a tubular body (220) configured and adapted to be slidably received within the sleeve, a firing head operatively coupled to a distal end of the tubular body and defining a plurality of needle passages (228), a radially expandable anchor (230) configured and adapted to be received within the distal end of the sleeve, a needle pusher assembly (270) including at least one push rod (272) slidably received within a respective needle passage; a lock collar (250) configured and adapted to be received in the central passage of the anchor and at least one needle anchor (280) slidably received in a respective needle passage.
摘要:
A radical prostatectomy anastomosis device including a cartridge having a plurality of anchors (174) slidably disposed in a plurality of distally angled radial channels formed in the cartridge and a pusher assembly operatively coupled within the cartridge. The pusher assembly being configured and adapted to push each of the plurality of anchors out of the angled radial channels of the radial cartridge. The device further including a fitting (104) removably coupled to a distal end of the cartridge. The fitting including a flange (162) having a plurality of holes (164) formed radially around the flange, wherein each of the plurality of holes includes suture locking means (166) configured and adapted to permit a suture to be drawn distally through each of the plurality of holes and to prevent the sutures from being drawn proximally through each of the plurality of holes. The device further including a plurality of sutures (182) secured to an inner surface of the cartridge. The sutures passing through the fitting, through a respective hole of the plurality of holes formed in the fitting and secured to an outer surface of a respective anchor.
摘要:
A surgical instrument for creating an anastomosis includes a housing, a handle extending from the housing and a fastener support member extending distally from the housing. The fastener support member is configured and dimensioned to releasably support a plurality of surgical fasteners. The instrument further includes a tissue retaining mechanism which is selectively movable from a first position relative to the fastener support member to a second position in closer proximity with the fastener support member such that tissue disposed adjacent to the fastener support member is retained thereagainst. Upon actuation of the handle, a fastener firing mechanism simultaneously deforms the plurality of surgical fasteners to complete the anastomosis.
摘要:
This application is directed to a surgical stapling device for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The handle portion includes a rotatable approximation knob for approximating the anvil and shell assemblies and a firing trigger for actuating a firing mechanism for ejecting staples positioned within the shell assembly. The firing trigger forms one link of a two bar linkage provided to actuate the firing mechanism. The anvil assembly includes a tiltable anvil which will tilt automatically after firing of the device and unapproximating the anvil and shell assemblies. The head portion also includes a retractable trocar assembly which is slidably positioned within an anvil retainer and is automatically advanced and retracted upon attachment and detachment of the anvil assembly onto the anvil retainer. A lockout tube is provided and is positioned about an anvil retainer for releasably engaging an anvil assembly. The lockout tube prevents inadvertent detachment of the anvil assembly from the anvil retainer. The surgical stapling device also includes a firing lockout assembly which prevents actuation of the firing trigger until an anvil has been attached to the device and the anvil has been approximated. In one preferred embodiment, the firing lockout assembly includes a trigger lock and a safety bracket which prevents movement of the trigger lock from a locked to an unlocked position until an anvil has been attached to the device and approximated and returns the trigger lock to a locked position after the device has been fired. A tactile indication mechanism is also provided for notifying a surgeon that the device has been fired and for notifying a surgeon that the anvil head has been unapproximated a distance sufficient to permit the anvil head to tilt.
摘要:
A surgical instrument for anastomosis of first and second blood vessels includes a housing having distal and proximal ends, a handle and a disposable loading unit removably mounted to the distal end of the housing. The loading unit includes upper and lower fastener support members having a passage defined therethrough for receiving an end of the second blood vessel and configured to releasably support a plurality of surgical fasteners. The loading unit also includes a retractable anvil located at a distal end of the loading unit, the anvil being movable relative to the fastener support member in response to actuation of the handle to simultaneously deform the of surgical fasteners.