摘要:
Various forms of surgical instruments are disclosed. In various embodiments, the instrument includes a cartridge supporting assembly for operably supporting a staple cartridge therein. The cartridge supporting assembly may be responsive to firing and retraction motions applied thereto from a firing assembly. An anvil may be operably coupled to an anvil closure assembly. The anvil closure assembly may be constructed to selectively move the anvil in a proximal direction toward the cartridge supporting assembly to enable a portion of tissue to be clamped between a cartridge supported by the cartridge supporting assembly and the anvil under a predetermined amount of compression. The device may further include a closure actuator that operably interacts with the anvil closure assembly such that as the closure actuator is moved in a first direction, the anvil closure assembly causes the anvil to move in the proximal direction to increase the compression of the tissue between the staple cartridge and the anvil. A variable load generating member may cooperate with the anvil closure assembly and the closure actuator to apply a resistive load to the closure actuator in relation to an amount of compression applied to the tissue between the anvil and the staple cartridge.
摘要:
Various forms of surgical instruments are disclosed. In various embodiments, the instrument includes a cartridge supporting assembly for operably supporting a staple cartridge therein. The cartridge supporting assembly may be responsive to firing and retraction motions applied thereto from a firing assembly. An anvil may be operably coupled to an anvil closure assembly. The anvil closure assembly may be constructed to selectively move the anvil in a proximal direction toward the cartridge supporting assembly to enable a portion of tissue to be clamped between a cartridge supported by the cartridge supporting assembly and the anvil under a predetermined amount of compression. The device may further include a compression limiting assembly that interacts with the anvil closure assembly to prevent further travel of the anvil in the proximal direction toward the cartridge supporting assembly when the predetermined amount of compression has been attained.
摘要:
A surgical instrument that includes a distal member configured to receive a pneumatically operated tool assembly therein. The instrument may also include an elongate shaft assembly that has a distal end portion that is coupled to the distal member and a proximal end portion. A drive member may be supported by the distal end portion of the elongate shaft assembly and may be configured to apply at least two actuation motions to the pneumatically operated tool assembly upon receipt of at least one pneumatic drive signal from a source of pneumatic power. The drive member may comprise a dual-acting cylinder, a single-acting cylinder, a bellows assembly, etc. The distal end portion of the elongate shaft member may articulate relative to the proximal end portion thereof and/or the distal end portion of the elongate shaft assembly may be detachable from the proximal end portion.
摘要:
A surgical stapling device is provided for clamping and stapling tissue, and for dispensing a fluid such as an adhesive onto the tissue. The adhesive can be stored within one or more rigid chambers within removable cartridge and dispensed from a plurality of passageways within the cartridge. A plurality of staples and staple drivers are located in the cartridge and may be isolated from the fluid. Both linear and rotary members can be provided to dispense the fluid from the cartridge. Alternately, the fluid can be dispensed from the cartridge at any time with an operator actuatable control. A removable staple cartridge cover can be provided to seal the fluid in the cartridge and prevent fluid loss. Alternately, a fluid cartridge can be provided that can mount within a surgical stapling device and dispense one or more firings of a fluid therefrom.
摘要:
A surgical instrument for use in connection with a pneumatically powered tool having a firing mechanism operably supported therein that is movable between an unactuated position and an actuated position. In various embodiments, a drive system is supported by at least one of a handle assembly and an elongate shaft assembly and is configured to selectively apply a firing motion to the firing mechanism of the pneumatically powered tool to cause the firing mechanism to move from the unactuated position to the actuated position in response to a flow of gas from a source of gas fluidically coupled to the drive system. A travel monitoring member is operably supported by the handle assembly and is linked to the drive system to provide an indication of progress of the firing mechanism of the pneumatically powered tool as the firing mechanism moves from the unactuated position to the actuated position.
摘要:
A surgical instrument for use in connection with a pneumatically powered tool having a firing mechanism operably supported therein that is movable between an unactuated position and an actuated position. A pneumatically powered drive system operably communicates with the pneumatically powered tool and is configured to selectively apply at least a firing force to the firing mechanism of the pneumatically powered tool of sufficient magnitude to cause the firing mechanism to move from the unactuated position to the actuated position in response to a flow of gas from a source of gas that is fluidically coupled to the pneumatically powered drive system. At least one feedback device communicates with the pneumatically powered drive system for providing feedback concerning at least one of:(a) the magnitude of the firing force as the pneumatically powered drive system moves the firing mechanism from the unactuated to actuated position; and(b) a relative position of the firing mechanism as the firing mechanism is moved between the unactuated and actuated positions.
摘要:
A surgical instrument. The surgical instrument has an end effector and a trigger in communication with the end effector. The surgical instrument also has a first sensor and an externally accessible memory device in communication with the first sensor. The first sensor has an output that represents a first condition of either the trigger or the end effector. The memory device is configured to record the output of the first sensor. In various embodiments, memory device may include an output port and/or a removable storage medium.
摘要:
A surgical cutting and fastening instrument that includes an elongate channel that is attached to a handle assembly by an elongate shaft assembly. The elongate channel is configured to receive a cartridge and has a pivotally translatable anvil attached thereto and a knife bar supported therein. The anvil may be selectively opened and closed by manipulating a closure trigger supported by the handle assembly. The knife bar may be distally advanced through the elongate channel by actuating a firing trigger that cooperates with a reversible rotary drive supported by the handle assembly. The knife bar may also be retracted to its starting position by actuating the firing trigger after the reversible rotary drive has been shifted to a retraction orientation.
摘要:
A multi-axis surgical stapling and cutting instrument. In various embodiments, the instrument includes a tool assembly that operably supports a cable powered knife assembly and further has an anvil that is actuated by axial movement of a closure ring. The instrument may further include a disposable reload unit that may be attached to the reusable portion of the instrument without the use of tools. Various embodiments may also employ an active articulation control system for actively articulating the tool assembly.
摘要:
A surgical stapling system comprising a first staple, a second staple, and a bridge connecting the first staple and the second staple. In at least one embodiment, the first staple and the second staple are part of a strip of staples. For example, the first and second staples can be included in a strip of staples that includes several staples that are attached end-to-end and/or attached side-by side. In use, the strip, or strips, of staples are inserted into a stapler which can be used to insert the staples into soft tissue, for example, and deform at least a portion of the staples to hold the tissue, or several layers of tissue, together.