摘要:
A surgical instrument system comprising a handle assembly is disclosed. The handle assembly comprises an actuation trigger comprising a curved proximal portion and a curved cylinder surrounding the curved proximal portion of the actuation trigger. The curved cylinder comprises an electroactive polymer. The surgical instrument system comprises an actuation rod which is configured to transmit an actuation force and a sensor system which is configured to detect the magnitude of the actuation force. The electroactive polymer is responsive to the actuation force and provides feedback to a user of the surgical instrument system.
摘要:
Die vorliegende Erfindung betrifft ein medizinisches Instrument für laparoskopische Eingriffe in der minimal-invasiven Chirurgie, welches über einen Trokar in die Bauchhöhle eines Patienten einführbar ist und dazu an seinem distalen Ende eine Funktionseinheit in Form eines Greifelements aufweist, wobei diese Funktionseinheit über eine Bedieneinheit am proximalen Ende des Instruments bedienbar ist, wobei das Greifelement als Präparierklemme mit zwei über einen Gelenkmechanismus gelenkig beweglichen Klemmbacken (11, 12) ausgebildet ist und wobei erfindungsgemäß der Gelenkmechanismus einen in axialer Richtung verschiebbaren Gelenkstab (13) mit einer endseitigen Kupplungskugel (16) umfasst, weiterhin eine erste schwenkbare kürzere Klemmbacke (12) umfasst, die einen Kugelsitz (17) für die Kupplungskugel (16) des Gelenkstabs (13) aufweist, sowie eine zweite längere Klemmbacke (11) umfasst, die mit einem Hohlschaft (18) versehen ist, in dem der Gelenkstab (13) axial verschiebbar geführt ist.
摘要:
A surgical end effector assembly (100) includes a pair of jaw members (110, 120), a knife (170) defining a longitudinal slot (172), a pivot pin (101) coupling the jaw members (110, 120) to one another, and a drive member (160) including a drive pin (161) that is engaged to the jaw members (110, 120). The pivot pin (101) and/or the drive pin (161) extends through the longitudinal slot (172) of the knife (170) to couple the knife (170) to the jaw members (110, 120) and/or the drive member (160). The surgical end effector assembly (100) is transitionable between a use position, wherein the knife (170) and drive member (160) are generally aligned with one another to facilitate releasable engagement of the surgical end effector assembly (100) with a surgical instrument, and a cleaning position, wherein the jaw members (110, 120), knife (170), and drive member (160) are fanned apart from one another to facilitate cleaning of the surgical end effector assembly (100). Methods of disengaging and sterilizing end effector assemblies for reuse are also provided.
摘要:
Described here are systems, devices, and methods for providing remote manipulation or traction to tissue using one or more graspers, delivery devices, and magnetic control assemblies. The graspers may be configured for insertion into the patient during a minimally-invasive procedure, such as a laparoscopic operation. The graspers may be configured to releasably connect to tissue. In some embodiments, the grasper may comprise a clip, a clamp, a suction device, a coil, or the like, and may be configured to connect to any suitable tissue. Delivery devices may be configured to releasably engage a grasper to deliver the grasper, remove it from the patient, or reposition it. The delivery devices may additionally be configured to actuate the grasper to attach it to tissue and/or detach it from tissue. The magnetic control elements may be configured to be positioned externally of the body to move, reposition, and/or hold the grasper.
摘要:
A surgical instrument such as a rongeur (2), including a fixed or stationery first jaw element (4); a stop plate (6) carried at a distal end of the first jaw element; and a second jaw element (12) slidably coupled to the first jaw element, the second jaw element comprising a body (14) having a cutting edge (20) at the front thereof, and defining a channel therein having a front opening and a rear opening, wherein the second jaw element has a closed configuration in which the cutting edge of the second jaw element body is in contact with the stop plate and an open configuration in which the cutting edge of the second jaw element body is spaced from the stop plate, and wherein the instrument further includes a detachable collection tube (28) releasably coupled to the rear of the body of the second jaw element, the detachable collection tube including an inlet in communication with the rear opening of the channel.
摘要:
The patent is relative to a new instrument for single access laparoscopy that tries to overcome the limits of the present instrumentation of this technique, that usually allows to use only one forceps, which does not allow to keep the tissues tenses to work with the surgical instrument. To overcome this limitation, the proposed instrument presents two arms, presenting a diameter equal to half of the main body, while in the direction perpendicular to this these arms can have an bigger dimension, provided its shape be entirely circumscribed by the external dimension of the initial body, and each bearing at the tip a forceps, mounted on two auxiliary arms. The internal mechanism allows opening the two arms, while the forceps bend toward the inside, keeping their configuration, being all this controlled by a single command. Two additional commands allow then to open and close the forceps individually, and each command can be locked in any position. The forceps can be opened in any direction relative to the plane of the arms, as well as it is possible that one or both of the forceps are replaced by a tool of a different type.
摘要:
A staple cartridge assembly for use with a surgical stapler. The assembly has a cartridge body having a support portion with a plurality of staple cavities with openings. There is also a plurality of staples, wherein at least a portion of each the staple is removably stored within a the staple cavity. Each the staple is movable between an unfired position and a fired position, and is deformable between an unfired configuration and a fired configuration. The assembly also includes a compressible tissue thickness compensator configured to be captured within the staples. The compressible tissue thickness compensator at least partially covers the staple cavity openings. The compressed tissue thickness compensator is configured to assume different compressed heights within different the staples. The compressible tissue thickness compensator comprising a lyophilized foam having an oxygen generating agent embedded therein.
摘要:
A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple- deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened.
摘要:
A surgical device comprises an elongate shaft defining a longitudinal axis. The shaft comprises a distal end and a proximal end. An arm medially deflectable and comprises a mating feature. An elongate pin is positioned medially relative the arm. The elongate pin is axially slideable relative the arm between a locked position preventing medial deflection of the arm and an unlocked position allowing medial deflection of the arm. An energy based surgical end effector is selectively attachable and detachable to the mating feature of the arm. The end effector may include a torque arm to engage the elongate shaft.
摘要:
The present invention relates to a minimally invasive surgical instrument having an improved joint. According to one aspect of the present invention, provided is a minimally invasive surgical instrument comprising a shaft, a joint which is coupled to one end of the shaft, and an end effector which is coupled to the joint and can effect joint movement thereby. The joint comprises a plurality of joint links, and a joint for pitch-direction operation and a joint for yaw direction operation, the joints being formed by interposing at least one of the plurality of joint links.