摘要:
An anvil assembly for use with a surgical stapler is provided. The anvil assembly includes a cut ring assembly having a body and a cover. The cover has a first layer of material having a first hardness to allow penetration by a knife of a surgical stapler and at least one additional layer of material having a second hardness greater than the first hardness to minimize penetration of the cover by a knife of a surgical stapler.
摘要:
A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
摘要:
A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument.
摘要:
A surgical stapling device including a handle assembly, a body portion, and a head portion is disclosed. The handle assembly includes a firing trigger. The body portion extends distally from the handle assembly. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher and an inner guide portion. The pusher includes at least one slot therein and is movable in relation to the anvil assembly between retracted and extended positions. The inner guide portion is disposed adjacent at least a portion of the pusher and includes a raised boss extending therefrom. The raised boss is configured to shroud the slot in the pusher when the pusher is in the retracted position.
摘要:
A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
摘要:
A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument.
摘要:
A surgical stapling device is disclosed for the treatment of internal hemorrhoids. 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 head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator.
摘要:
A surgical stapling device including a handle assembly, a body portion, and a head portion is disclosed. The handle assembly includes a firing trigger. The body portion extends distally from the handle assembly. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher and an inner guide portion. The pusher includes at least one slot therein and is movable in relation to the anvil assembly between retracted and extended positions. The inner guide portion is disposed adjacent at least a portion of the pusher and includes a raised boss extending therefrom. The raised boss is configured to shroud the slot in the pusher when the pusher is in the retracted position.
摘要:
A surgical stapling device including a self-righting anvil assembly includes an anvil center rod and a pivotable anvil head. The surgical stapling device includes an anvil retainer assembly having a locking member. A cam member is provided to retain the locking member in a locked position and, thus, the anvil head in the operative position until after firing. In another embodiment, a tiltable anvil assembly includes a center rod and a head assembly pivotally secured to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movably positioned from a first to a second position. A retainer member is positioned between the backup member and the housing. In another embodiment, a passive lockout mechanism is operably associated with a trigger lock on the handle assembly of the surgical stapling device.
摘要:
A surgical stapling device is disclosed 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 anvil assembly includes a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The anvil assembly of the stapling device also includes a retainer clip positioned on the anvil head. The retainer clip includes at least one resilient arm which is positioned to engage a cutting ring during unapproximation of the stapling device.