70 results about "Surgical stapling" patented technology

The application provides a laparoscope reciprocating suture device middle wire guide intermittent release mechanism, the suture device comprises a curved needle mounting block, the curved needle mounting block is provided with a curved needle groove, a curved needle is movably arranged in the curved needle groove, the curved needle performs curve movement along the curved needle groove, the curved needle mounting block is provided with a first opening and a second opening, the first opening is located at the front end of the curved needle groove, the second opening is movably connected with a wire guide, the wire guide is connected with a suture wire, and the intermittent release mechanism is arranged at the position of the second opening.The wire guide is limited or released, the wedge-shaped teeth between the rotating buckle and the rotating buckle base, the reset spring and the two-face cutting flange are arranged, so that the curved needle automatically and intermittently draws out the wire guide from the second outlet and separates from the wire guide when reciprocating, the wire guide remains in the second outlet position, manual operation is not required for releasing the wire guide or limiting the wire guide each time, the order of suture wire routing is ensured, and the reliability and convenience of surgical suturing are improved.

Aspects of the present disclosure are directed to a surgical stapling device including a drive assembly and a tool assembly having a cartridge assembly with a staple cartridge. The surgical stapling device includes a cartridge assembly with a replaceable staple cartridge. The replaceable staple cartridge includes an actuation sled assembly including an actuation sled and a knife. The knife is supported on the actuation sled for linear movement between a lowered position and a raised position. The staple cartridge includes an actuation sled assembly having an actuation sled and a knife supported on the actuation sled for linear movement between the lowered position and the raised position. The drive assembly and the knife are configured to move the knife between the raised and lowered positions when the drive assembly moves from a retracted position toward an advanced position.

A surgical stapling device includes a drive assembly and a tool assembly having an anvil and a cartridge assembly that is pivotably coupled to the anvil for movement between an open position and a clamped position. The cartridge assembly includes a staple cartridge and a channel member that defines a cavity that receives the staple cartridge. The channel member includes a channel lock that is positioned on a proximal portion of the channel member. The drive assembly is movable between a drive advanced position and a drive retracted position and engages the channel lock in the drive retracted position to retain the tool assembly in the open position.

A surgical stapling device includes a tool assembly including an anvil assembly, a cartridge assembly, and a drive assembly. The cartridge assembly includes a deployable knife that is movable from a lowered position to a raised position in response to movement of the drive assembly from a drive retracted position towards a drive advanced position. The tool assembly supports a lockout member that is movable from a locked position to an unlocked position in response to advancement of the drive assembly from the drive retracted position towards the drive advanced position when a knife and / or actuation sled is present. The lockout member is provided to prevent firing of the stapling device when a knife and / or actuation sled is not present in the tool assembly.

A surgical stapling system, including a stapler including a first jaw having a tissue clamping surface and a second jaw operable to receive interchangeable staple cartridges having different staple patterns, the first and second jaws relatively pivotable between an open position and a closed position. The surgical stapling system also includes a first staple cartridge having a first staple pattern and a second staple cartridge having a second staple pattern, the second staple pattern being different from the first staple pattern. The stapler is configured to perform a first firing stroke to form a first set of staples using the first staple cartridge and a second firing stroke to form a second set of staples using the second staple cartridge.

The utility model discloses a surgical suture needle storage box with high sealing performance, which comprises a storage box main body, a plurality of auxiliary mechanisms are hinged to the upper end of the storage box main body, a sealing mechanism is fixedly arranged in the middle of the interior of the storage box main body, and a silica gel pad is fixedly arranged at the lower end of the interior of the storage box main body. A plurality of needle grooves are fixedly formed in the upper end of the silica gel pad. According to the storage box, through the design of the auxiliary mechanism, the auxiliary mechanism is connected through magnetic attraction of the first magnetic attraction block and the second magnetic attraction block, the lifting cover can be tightly attached when the needle taking opening is closed, dust and impurities are prevented from entering the lifting cover, meanwhile, the sealing performance of the needle taking opening is further enhanced through the first sealing ring, and the needle taking opening is prevented from being damaged. Due to the design of the needle taking opening, the needed suture needle can be conveniently taken out in the operation process, the box cover does not need to be completely opened, the time that the suture needle is exposed in the external environment is shortened, and the sealing mechanism is matched with a sealing protruding block through a sealing groove formed in the sealing mechanism.

A surgical stapling device and tool assembly includes an anvil assembly with a stepped portion defining a first axial stop, and a cartridge assembly facing the anvil assembly and operably coupled to a drive assembly of the surgical stapling device. The cartridge assembly includes a plurality of staples disposed in a cartridge housing, and a knife assembly with a knife and a body having at least a first flange and a distal projection configured to engage a seat of an actuation sled.

An end effector for stapling and cutting an anatomical structure includes an anvil, a cartridge, and a blade. The anvil has an anvil face and a plurality of staple pockets positioned on the anvil face. The cartridge has a cartridge face defining a cartridge blade channel, the cartridge being configured to retain a plurality of staples. Each of the plurality of staples comprises a first staple leg, a second staple leg, and a crown connecting the first and second staple legs and having a midpoint. Each of the plurality of staples comprises an open staple configuration and a closed staple configuration where a first portion of the first staple leg and a second portion of the second staple leg are bent relative to the crown such that the first portion of the first staple leg and the second portion of the second staple leg cross the midpoint of the crown.

A surgical stapling device includes an anvil assembly and a reload assembly including a knife and a knife carriage. The knife is detachably coupled to the knife carriage and is embedded in a cutting loop of the anvil assembly when the stapling device is fired. The knife is separable from the knife carriage after a predetermined force is applied to the knife. The predetermined force is applied to the knife after the stapling device is fired by moving the anvil assembly relative to the reload assembly from a clamped position to an open position.

A tool assembly for connection to a surgical device includes an end effector, a staple cartridge assembly and a wireless communication assembly. The end effector includes an anvil assembly and a staple cartridge channel defining a longitudinal axis, wherein the end effector is pivotable about a pivot axis extending orthogonal to the longitudinal axis. The staple cartridge assembly defines a longitudinally extending knife slot and a plurality of staple retaining pockets disposed on both sides of the knife slot. The wireless communication assembly includes: a reader tag supported in the staple cartridge, the reader tag being located proximally of the staple retaining pockets and adjacent the longitudinally extending knife slot; and a reader antenna disposed within the staple cartridge channel, wherein the reader antenna defines an antenna plane which extends transverse to longitudinal axis of the staple cartridge channel.

A surgical stapling device (10) includes a tool assembly (16, 116) mounted for articulation between a non-articulated position and an articulated position. To minimize wobble of the tool assembly (16, 116) in the non-articulated position of the tool assembly (16, 116), the surgical stapling device (10) includes a mounting assembly (20, 120) that includes a retention structure to retain the tool assembly (16, 116) in the non-articulated position until a predetermined force is applied to the tool assembly (16, 116).

A staple cartridge for use with a surgical stapling instrument is disclosed. The staple cartridge comprises a cartridge body comprising a deck, staple cavities defined in the deck, a longitudinal slot defined in the deck configured to accommodate a tissue cutting member of the surgical stapling instrument, a recess defined in the deck, and a slot defined in the deck connecting the recess, a sensor positioned in the recess, wherein the sensor is attached to the cartridge body, a conductive trace electrically connecting the sensor, wherein the conductive trace is positioned in the slot, and staples removably stored in the staple cavities, wherein the staples are ejected from the staple cavities during a staple firing stroke generated by the surgical stapling instrument.

A tissue sensor is used with a surgical stapling instrument to sense tissue characteristics and to provide accurate tissue measurements. The tissue sensor includes a flexible substrate, a sensor array, and a controller. The flexible substrate is disposed between the tissue and the surgical stapler. The sensor array comprises sensors disposed on the flexible substrate, senses a parameter, and generates a signal indicative thereof in response to a clamping force that is applied by the surgical stapler to clamp the tissue and the tissue sensor together. The controller is disposed in or on the flexible substrate and is configured to receive the signal from the sensor array, process the signal to determine a measurement of the parameter based on the processed signal, and provide an indication of the measurement of the parameter to a user of the surgical stapler.

A surgical stapling device includes an adapter assembly defining a longitudinal axis, a tool assembly that is pivotably coupled to the adapter assembly about an articulation axis that is transverse to the longitudinal axis, and a drive mechanism that includes a drive beam that is positioned distally of the articulation axis. By positioning the drive beam distally of the articulation axis, the stapling device can be fired without moving the drive beam about the articulation axis to minimize the force required to fire the stapling device.

The utility model discloses a disinfection cleaner for laparoscopic minimally invasive surgery suture, and belongs to the technical field of medical instruments. The disinfection cleaner for laparoscopic minimally invasive surgery suture comprises a main body, the main body comprises a cleaning box, a draining mechanism is arranged in the cleaning box, the draining mechanism comprises a pair of L-shaped connecting frames, a connecting ring is connected between the bottom ends of the pair of L-shaped connecting frames, the interior of the connecting ring is connected with a cleaning barrel through a bearing, the upper end of the cleaning barrel is connected with a hollow ring, and the lower end of the hollow ring is connected with the cleaning barrel. The upper end of one L-shaped connecting frame is connected with a U-shaped frame, a waterproof motor is installed at the upper end of the U-shaped frame, the output end of the waterproof motor penetrates through the U-shaped frame, extends into the U-shaped frame and is in transmission connection with a gear, and the gear is meshed with the outer gear ring. And the practical value is high.

A surgical stapling assembly is disclosed. The surgical stapling assembly can include a first jaw, a second jaw, an articulation joint, a closure drive comprising a first flexible rotary drive extending through the articulation joint, and a firing drive comprising a second flexible rotary drive extending through the articulation joint and rotatable independent of the first flexible rotary drive. The surgical stapling assembly can further include a 3D-printed component.

A surgical stapling system can include a reload shaft. The shaft can include an elongate tubular member with have a jaw assembly at the distal end thereof and a coupling collar at the proximal end thereof. The shaft assembly also includes an articulation joint coupling the jaw assembly to the distal end. A drive member and an articulation member extend within the tubular body of the shaft from the proximal end to the distal end. A firing member is connected to the distal end of the drive member such that advancement of the drive beam advances the firing member to close the jaw assemblies and fire staples from a reload positioned in the jaw assembly. The shaft assembly can also include a lockout mechanism to prevent a firing operation on a previously-fired reload or no reload.

A surgical stapling device (10) includes an anvil (28), a staple cartridge (36), and a channel member (34). The staple cartridge (36) includes a structure to prevent the staple cartridge (36) from being inserted into a channel member (34) that is not sized to receive the staple cartridge (36). The staple cartridge (36) and the channel member (34) are configured to minimize the risk of loading an incorrectly sized staple cartridge (36) into the surgical stapling device (10).

A surgical stapling device includes a staple reload and a handle assembly that supports a drive rack, a motor assembly, a gear assembly, a reload select mechanism, and a safety toggle mechanism. The gear assembly is adapted to facilitate uncoupling of the motor assembly from the drive rack to allow manual movement of the drive rack. The reload select mechanism allows the length of a stroke of the drive rack to be selectively adjusted to allow the stapling device to accommodate different length staple reloads. The safety toggle mechanism is provided to move the stapling device from a non-firing state to a firing state to allow for firing of the stapling device.

A method of surgical stapling uses a surgical instrument operable to compress, staple, and cut tissue. The instrument includes a body, a shaft, and an end effector with a pair of jaws. A placement tip extends distally from one of the jaws of the end effector. The placement tip is elastically deformable when the placement tip is subject to a clamping force. In some instances the placement tip includes an arcuate bend, while in other instances the placement tip is straight. The placement tip can have a variety of non-rectangular lateral cross-sectional shapes. In some instances, the placement tip is made of a material of a specified durometer range and having a high color contrast. A distal end of the placement tip may change position based on the state of deflection of the placement tip in response to the clamping force.

A surgical stapling device includes a tool assembly and a drive assembly. The tool assembly includes an anvil assembly (24), and a cartridge assembly that includes a channel member (56) and a staple cartridge (54). The staple cartridge includes a cartridge body (60), staples, pushers, and an actuation sled. The drive assembly has a working member that is movable through the tool assembly to advance the actuation sled through the staple cartridge and actuate the tool assembly. The anvil assembly supports a lockout member (50) that interacts with the drive assembly when the actuation sled is not positioned in a proximal portion of the cartridge body to prevent advancement of the drive assembly and firing of the stapling device.

A powered stapling device includes an adapter assembly that includes an outer tube, a shifter mechanism, an articulation gear, and a rotate gear. The rotate gear is secured to the outer tube such that rotation of the rotate gear causes rotation of the outer tube. The shifter mechanism includes a shifter shaft that supports a shifter gear. The shifter shaft is movable to move the shifter gear between a rotate position in which rotation of the articulation gear causes rotation of the rotate gear and the outer tube and an articulate position in which the shifter gear prevents or locks rotation of the rotate gear and the outer tube.

A surgical stapling attachment configured to clamp, staple, and cut tissue is disclosed. The surgical stapling attachment comprises an attachment portion, a shaft assembly, an articulation joint, and an end effector assembly. The end effector assembly comprises a firing system configured to cut tissue only after the tissue has been stapled.

The invention discloses a surgical suturing device capable of monitoring and adjusting suturing force in real time and a using method thereof.The surgical suturing device comprises a tissue suturing line, a biocompatible bottom plate, a force sensing assembly, a suturing force adjusting assembly and a suturing assembly, and the suturing assembly is installed at one end of the biocompatible bottom plate; the force sensing assembly is slidably mounted at the other end of the biocompatible bottom plate through the suture force adjusting assembly, the force sensing assembly can reciprocate on the suture force adjusting assembly to adjust the distance between the force sensing assembly and the suture assembly, and the tissue suture line is connected with the force sensing assembly through the suture assembly. According to the device, the suture force can be accurately measured, generation of an additional stress field is effectively inhibited through a low-rigidity-micro-contact coupling design, the suture force is recorded in real time on the premise that the suture-biological tissue topological relation is kept unchanged, the suture force can still be noninvasively adjusted after an operation, the adjustment process is noninvasive, no extra incision exists, and the suture force can be accurately measured. Accurate adjustment and long-term monitoring of the micro suturing force for surgical suturing are achieved.

The present disclosure relates to systems and methods for detecting suture failure during surgical stapling, and provides a computer-implemented method for controlling a surgical stapling instrument, comprising advancing an anvil assembly relative to a cartridge to a first position defining a tissue gap between the cartridge and the anvil assembly and clamping tissue, the clamped tissue including a suture, measuring a first tissue compression force of the tissue clamped in the tissue gap with the anvil assembly at a first point in time, determining whether the measured first force is greater than a threshold value, in response to a determination that the first force is greater than the threshold value, measuring a second tissue compression force of the tissue clamped in the tissue gap at a second point in time, determining whether the suture has failed based on the measured second force being less than the measured first force by an amount, and stopping advancement of the anvil assembly based on a determination of suture failure.

A replaceable staple cartridge is disclosed which is seatable in a jaw of a surgical stapling instrument. If the staple cartridge is not fully seated in the jaw, the closure of the surgical stapling instrument will fully seat the staple cartridge.

The present invention relates to reload assemblies with knife lockout and specifically provides a surgical stapling device including a reload assembly that includes a dual pawl system to maintain the knife of the reload assembly in a retracted position after firing of the stapling device. The dual pawl system includes a secondary and primary pawl to improve the retention of the knife to minimize the likelihood of inadvertent re-advancement of the knife and annular knife.

The invention relates to a surgical suture device. The surgical suture device comprises a percussion handle, a nail bin assembly, a connecting component used for connecting the nail bin assembly and the percussion handle, a nail abutting seat mechanism and a connecting piece used for connecting the nail abutting seat mechanism and the percussion handle. A camera is arranged in the nail abutting seat mechanism, and the nail abutting seat mechanism is arranged to rotate relative to the percussion handle so that the camera can rotate relative to the percussion handle. By additionally arranging the camera, it is ensured that an operator can observe the anastomosis condition, and the stability of a hemorrhoid tissue cutting and suturing operation is ensured. In addition, the driving motor is provided with a pressure maintaining chip, the pressure maintaining function can be achieved, and it is guaranteed that the tissue is completely cut off through the pressure maintaining action. Due to the unique double-insurance design, namely mechanical insurance and electronic triggering insurance, the situation of false triggering is effectively avoided, and use is safer.

A surgical stapling device includes a jaw assembly including a first jaw supporting an anvil assembly and a second jaw supporting a cartridge assembly. A drive assembly is translatable through the jaw assembly to effect the clamping and stapling of tissue. The drive assembly includes a clamping member and an adjustment member. The clamping member includes a first clamping surface configured to engage the anvil assembly. The adjustment member includes a second clamping surface configured to engage the staple cartridge. The first clamping surface is spaced from the second clamping surface to define a clamping height. The adjustment member is moveable relative to the clamping member between a first position and a second position to change the clamping height.