Patent application number | Description | Published |
20090326463 | IRIS SEAL FOR SINGLE INCISION SURGERY - The present disclosure is directed to a surgical portal apparatus for use during a minimally invasive procedure. In one aspect, the apparatus includes a housing and a portal member extending distally from the housing, defining a longitudinal axis. The apparatus also has an iris seal including a plurality of leaf members, disposed within the housing. The leaf members are adapted for pivoting relative to the housing, to control the dimensioning of a passage in response to the insertion of a surgical object. The leaf members are not directly linked to each other to provide for off-axis movement of the surgical object. The apparatus further includes an actuation mechanism, including a motor and a sensor, operatively connected to the leaf members and adopted for movement upon the introduction of the surgical object. | 12-31-2009 |
20090326466 | SURGICAL PORTAL ASSEMBLY - A surgical portal assembly includes a portal member adapted for positioning within tissue. The portal member defines a central longitudinal axis and has a longitudinal passageway for permitting passage of a surgical object. In addition, the portal member includes a seal mount. A seal member is mounted within the seal mount of the portal member. Further, the seal member has inner surface portions defining a passage for receiving the surgical object. Aside from the seal member, the surgical portal assembly contains a plurality of seal magnets mounted to the seal member. The seal magnets are arranged with respect to the passage of the seal member whereby respective poles of the seal magnets generate an attractive force to draw the inner surface portions of the seal member about the surgical object to facilitate establishing a substantial sealing relation therewith. | 12-31-2009 |
20100200636 | POWERED SURGICAL INSTRUMENT WITH SECONDARY CIRCUIT BOARD - A powered surgical apparatus, which is configured to engage tissue includes a handle assembly having proximal and distal portions, a movable portion operatively connected to the distal portion of the handle assembly, a tool assembly operatively coupled to the movable portion, a power source configured to supply electrical power, and a transmission system operatively associated with the power source. The movable portion is movable with respect to the handle assembly. The tool assembly is adapted to engage tissue. The transmission system is configured to transmit electrical power or signals between the handle assembly and the movable portion. | 08-12-2010 |
20110017801 | INTERNAL BACKBONE STRUCTURAL CHASSIS FOR A SURGICAL DEVICE - A chassis for mounting a set of operating components of a power head of a surgical instrument is disclosed. The power head has a housing enabling access to an interior volume of the power head encompassed by the housing. The set of operating components have a proper configuration for alignment when mounted within the interior volume encompassed by the housing. The chassis is configured to provide the proper configuration for alignment of either an original or replacement set of operating components mounted on the chassis if the chassis and set of operating components are mounted within the interior volume of the housing. The chassis may be formed from metal and the housing formed from a polymer. The chassis may be configured to ground at least one electrical component. | 01-27-2011 |
20110022032 | BATTERY EJECTION DESIGN FOR A SURGICAL DEVICE - A power head for a surgical apparatus is disclosed having at least one battery-retaining structure defining a battery ejection path. The battery-retaining structure is configured to receive at least one battery. The power head further includes at least one sealing member extending around the one or more battery-retaining structures and configured to enable ejection of at least one battery from the structure along the battery ejection path. The power head may include a handle assembly that includes the battery-retaining structure. The sealing member extends around the structure such that the sealing member is configured to enable ejection of at least one battery from the battery-retaining structure by one hand of a user. The power head may include at least one energy storage mechanism that enables ejection by one hand of a user of at least one battery. | 01-27-2011 |
20110036887 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus having a housing with an actuator and an elongated member extending from the housing. An end effector is disposed on one end of the elongated member. The end effector houses a plurality of fasteners that are operatively coupled to a plurality of pusher members. An actuation mechanism is operatively coupled to the actuator; the actuation mechanism includes a longitudinally translatable drive member and an actuation sled. The actuation sled is configured for engaging the plurality of pusher members. A pressure responsive element is also disposed in one of the jaws. The pressure responsive element communicates a signal to a controller. The signal is representative of pressure applied to the pressure responsive element. The controller is configured to activate a feedback response. | 02-17-2011 |
20110036888 | TISSUE FASTENING SYSTEM FOR A MEDICAL DEVICE - A surgical fastening device includes a handle assembly having a stationary handle and a movable handle and an elongated member extending distally from the handle portion. The elongated member includes a distal end portion. The device also includes a pair of firing rods operably coupled with the movable handle and movable between a proximal position and a distal position. A tool assembly has a plurality of helical fasteners supported therein and includes a pair of opposing jaw members. At least one of the jaw members is movable in relation to the other jaw member between spaced and approximated positions. The jaw members are configured to form a pair of radial channels when the jaw members are in the approximated position. The firing rods are configured to advance helical fasteners through at least one radial channel and into tissue upon movement from the proximal position to the distal position. | 02-17-2011 |
20110036891 | SURGICAL STAPLER WITH VISUAL POSITIONAL INDICATOR - The present disclosure is directed to a surgical stapler for applying sterilized staples to body tissue. The surgical stapler includes a cartridge housing a plurality of fasteners, an anvil mounted adjacent the cartridge, a drive assembly configured to translate through the cartridge to eject the fasteners therefrom, and at least one visual indicator configured to indicate a position of the drive assembly, wherein the visual indicator includes a material that provides an optical contrast with at least one of the cartridge and the anvil. | 02-17-2011 |
20110036892 | ONE HANDED STAPLER - The present disclosure is directed to a surgical instrument, which includes a handle assembly and an elongate member having two jaw members. The second jaw member is movable in relation to the first jaw member between an open position and a closed position. The first jaw member is supported by the elongate body and contains a plurality of fasteners. The elongate member extends distally from the handle assembly and defines both a longitudinal axis and a distal portion. A switch is placed about the handle assembly to allow the handle assembly to operate in multiple modes. | 02-17-2011 |
20110062211 | SYSTEM AND METHOD FOR NON-CONTACT ELECTRONIC ARTICULATION SENSING - A surgical instrument is disclosed. The instrument includes a handle portion, a body portion extending distally from the handle portion and defining a first longitudinal axis and an articulating tool assembly defining a second longitudinal axis and having a proximal end. The articulating tool assembly is disposed at a distal end of the body portion and is movable from a first position in which the second longitudinal axis is substantially aligned with the first longitudinal axis to at least a second position in which the second longitudinal axis is disposed at an angle with respect to the first longitudinal axis. The instrument also includes an articulation mechanism configured to articulate the articulating tool assembly, the articulation mechanism including an articulation sensor assembly configured to transmit a sensor signal to a microcontroller which is configured to determine an articulation angle of the articulation assembly. | 03-17-2011 |
20110124973 | IRIS SEAL FOR SINGLE INCISION SURGERY - The present disclosure is directed to a surgical portal apparatus for use during a minimally invasive procedure. In one aspect, the apparatus includes a housing and a portal member extending distally from the housing, defining a longitudinal axis. The apparatus also has an iris seal including a plurality of leaf members, disposed within the housing. The leaf members are adapted for pivoting relative to the housing, to control the dimensioning of a passage in response to the insertion of a surgical object. The leaf members are not directly linked to each other to provide for off-axis movement of the surgical object. The apparatus further includes an actuation mechanism, including a motor and a sensor, operatively connected to the leaf members and adopted for movement upon the introduction of the surgical object. | 05-26-2011 |
20110174099 | ADAPTERS FOR USE BETWEEN SURGICAL HANDLE ASSEMBLY AND SURGICAL END EFFECTOR - Adapter assemblies are provided for selectively interconnecting a surgical end effector that is configured to perform at least a pair of functions and a surgical device that is configured to actuate the end effector, wherein the end effector includes a first axially translatable drive member and a second axially translatable drive member, and wherein the surgical device includes a first rotatable drive shaft and a second rotatable drive shaft. | 07-21-2011 |
20120089131 | HAND HELD SURGICAL HANDLE ASSEMBLY, SURGICAL ADAPTERS FOR USE BETWEEN SURGICAL HANDLE ASSEMBLY AND SURGICAL END EFFECTORS, AND METHODS OF USE - Adapter assemblies are provided for selectively interconnecting a surgical end effector that is configured to perform at least a pair of functions and a surgical device that is configured to actuate the end effector, wherein the end effector includes a first axially translatable drive member and a second axially translatable drive member, and wherein the surgical device includes a first rotatable drive shaft and a second rotatable drive shaft. | 04-12-2012 |
20120109154 | WIRE SPOOL FOR PASSING OF WIRE THROUGH A ROTATIONAL COUPLING - A surgical apparatus for performance of a surgical procedure on body tissue is provided and includes a housing, an elongate tubular member, a drive assembly, an electrical coupling component, and an electrical wire. The elongate tubular member is at least partially supported by the housing and defines a center lumen and a longitudinal axis. The drive assembly extends from the housing into the center lumen of the elongate tubular member. The electrical coupling component is located about the drive assembly. The electrical wire extends from within the housing into the elongate tubular member. The electrical wire is wrapped about the electrical coupling component, which allows the elongate tubular member to rotate about the longitudinal axis while allowing the electrical wire to be fixed within the housing and the elongate tubular member. | 05-03-2012 |
20120193396 | Surgical Stapling Apparatus - A surgical stapling apparatus is provided and includes a housing having an actuator; an elongated member extending from the housing; an end effector disposed on an end of the elongated member, the end effector having a first jaw and a second jaw, the first jaw having a staple cartridge and the second jaw having a plurality of staple forming recesses; the staple cartridge having at least a first segment and a second segment, the first segment and the second segment each having a tissue contacting surface and staple receiving slots defined in the tissue contacting surface, the first segment and the second segment being biased toward the second jaw and movable; a biasing members for each of the first segment and the second segment; and a pressure sensor for each of the first segment and the second segment. | 08-02-2012 |
20120228358 | Surgical Stapling Apparatus - A surgical stapling apparatus is provided and includes a housing, an elongated member, an end effector, and a staple formation circuit. The elongated member extends from the housing. The end effector is disposed on an end of the elongated member and has first and second jaws. The first jaw includes a staple cartridge having a plurality of staples. Each of the staples has first and second legs. The second jaw has a plurality of staple forming pockets. The staple formation circuit may be disposed on the second jaw. The staple formation circuit communicates a signal to a controller coupled to the staple formation circuit. The signal is representative of one or more of a formation, a malformation, and a nonformation of one or both of the first and second legs of one or more of the staples within one or more of the staple forming pockets. | 09-13-2012 |
20120318847 | Surgical Stapling Apparatus - A surgical stapling apparatus is provided and includes a housing having an actuator; an elongated member extending from the housing; an end effector disposed on an end of the elongated member, the end effector having a first jaw and a second jaw, the first jaw having a staple cartridge and the second jaw having a plurality of staple forming recesses; the staple cartridge having at least a first segment and a second segment, the first segment and the second segment each having a tissue contacting surface and staple receiving slots defined in the tissue contacting surface, the first segment and the second segment being biased toward the second jaw and movable; a biasing members for each of the first segment and the second segment; and a pressure sensor for each of the first segment and the second segment. | 12-20-2012 |
20130105550 | SURGICAL STAPLING APPARATUS | 05-02-2013 |
20130168431 | STAPLE FORMATION RECOGNITION FOR A SURGICAL DEVICE - There is provided a surgical stapler having a staple formation recognition system incorporated into an anvil member of the surgical stapler. In one series of embodiments, a trace system and controller form an open electrical circuit and a surgical staple acts as an electrical connector to complete an electrical circuit and confirm the proper formation of the surgical staple. In another series of embodiments, a trace system and a controller form a complete electrical circuit which is broken by engagement of a surgical staple with a trace pad of the trace system to signal proper formation of the surgical staple. There is also provided a knife blade position indication system for tracking the progress of a knife blade through the anvil member and relative to staple crimping pockets formed in the anvil member. | 07-04-2013 |
20130214025 | POWERED SURGICAL STAPLING DEVICE - A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod to fire a surgical fastener. The stapler further includes a current sensor configured to measure a current draw on the motor and a controller configured to determine whether the surgical fastener is successfully deployed based on the current draw on the motor. | 08-22-2013 |
20130253535 | TISSUE FASTENING SYSTEM FOR A MEDICAL DEVICE - A surgical fastening device includes a handle assembly having a stationary handle and a movable handle and an elongated member extending distally from the handle portion. The elongated member includes a distal end portion. The device also includes a pair of firing rods operably coupled with the movable handle and movable between a proximal position and a distal position. A tool assembly has a plurality of helical fasteners supported therein and includes a pair of opposing jaw members. At least one of the jaw members is movable in relation to the other jaw member between spaced and approximated positions. The jaw members are configured to form a pair of radial channels when the jaw members are in the approximated position. The firing rods are configured to advance helical fasteners through at least one radial channel and into tissue upon movement from the proximal position to the distal position. | 09-26-2013 |
20140008412 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus is provided and includes a housing having an actuator; an elongated member extending from the housing; an end effector disposed on an end of the elongated member, the end effector having a first jaw and a second jaw, the first jaw having a staple cartridge and the second jaw having a plurality of staple forming recesses; the staple cartridge having at least a first segment and a second segment, the first segment and the second segment each having a tissue contacting surface and staple receiving slots defined in the tissue contacting surface, the first segment and the second segment being biased toward the second jaw and movable; a biasing members for each of the first segment and the second segment; and a pressure sensor for each of the first segment and the second segment. | 01-09-2014 |
20140194923 | POWERED SURGICAL INSTRUMENT - A powered surgical apparatus, which is configured to engage tissue includes a handle assembly having proximal and distal portions, a movable portion operatively connected to the distal portion of the handle assembly, a tool assembly operatively coupled to the movable portion, a power source configured to supply electrical power, and a transmission system operatively associated with the power source. The movable portion is movable with respect to the handle assembly. The tool assembly is adapted to engage tissue. The transmission system is configured to transmit electrical power or signals between the handle assembly and the movable portion. | 07-10-2014 |