114 results about "Surgical staple" patented technology

The present disclosure provides a surgical instrument, which comprises a lockout assembly that can be unlocked by a surgical staple cartridge, wherein the lockout assembly prevents a pair of closure plates and a firing bar of the surgical instrument from advancing distally when in a locked position, and allows the pair of closure plates and the firing bar to advance distally when in an unlocked position.

The present disclosure provides a surgical staple cartridge and a surgical end effector assembly with bumps. The bumps are provided on the surgical staple cartridge and / or a staple anvil portion, the bumps are positioned and sized to limit rotation of the surgical staple cartridge and the staple anvil portion relative to each other in a closed configuration, and to define a gap between the surgical staple cartridge and the staple anvil, the gap limits a maximum pressure applied to tissue by the surgical staple cartridge and the staple anvil, and prevents the tissue from being excessively squeezed to flow to area with no staple line coverage or being unevenly squeezed within the area with staple line coverage and thus affecting a tissue sealing quality. The present disclosure also provides a surgical instrument comprising the surgical staple cartridge or the surgical end effector assembly.

A surgical staple cartridge includes installation poka-yoke features. The surgical staple cartridge is configured to be installed between a pair of closure plates of a surgical instrument. The closure plates are configured to push the surgical staple cartridge towards a staple anvil portion of the surgical instrument to clamp tissue between the surgical staple cartridge and the staple anvil portion. The surgical staple cartridge includes two opposite side walls extending in a longitudinal direction parallel to an installation direction of the surgical staple cartridge. A protrusion and / or a slot are provided on an outer surface of at least one of the side walls. The protrusion as well as the slot are configured to cooperate with corresponding features on the closure plates, so as to prevent an inappropriate installation of the surgical staple cartridge.

A surgical staple is provided having a bridge and at least a first leg and a second leg. The bridge has a first end and a second end. The surgical staple has a first extension of the bridge adjacent the first end of the bridge and extending on an opposite side of the first leg relative to the second leg and a second extension of the bridge adjacent the second end of the bridge and extending on an opposite side of the second leg relative to the first leg. The bridge may also have a waisted or reduced width mid-section.

Apparatus and methods are described for use in securing a first bone relative to a second bone using a pair of surgical staples or, alternatively, a surgical staple and a bone screw. When a pair of staples are used, one of the legs of one of the staples may pass between the legs of the another of the staples. When a staple and a bone screw are used, the bone screw may pass between the legs of the staple. A guide tool can be used during the drilling of the holes for the legs of the staples or the legs of the staple and a bone screw. The guide tool provides guides for drilling guide holes for the staples or for the screw and staple.

A surgical stapling instrument is configured to dissect tissue, apply a linear staple line along one side of the tissue dissection and apply a suture, such as a purse string suture, to the other side of the tissue dissection. The instrument comprises an elongate shaft, first and second jaws configured to open and close and a cutting element. The instrument includes a first row of staples in each of the first and second jaws having a suture extending therethrough and a second row of staples in the second jaw. A drive member is configured to translate distally through the end effector to dissect tissue with the cutting element, drive the second row of staples into the tissue on one side of the dissection and to apply the first row of staples and suture in combination to form a purse string suture on the other side of the tissue dissection.

A surgical stapling instrument is configured to dissect tissue, apply a linear staple line along one side of the tissue dissection and apply a suture, such as a purse string suture, to the other side of the tissue dissection. The instrument comprises an elongate shaft, first and second jaws configured to open and close and a cutting element. The instrument includes a first row of staples in each of the first and second jaws having a suture extending therethrough and a second row of staples in the second jaw. A drive member is configured to translate distally through the end effector to dissect tissue with the cutting element, drive the second row of staples into the tissue on one side of the dissection and to apply the first row of staples and suture in combination to form a purse string suture on the other side of the tissue dissection.

A surgical staple is provided having a bridge and at least a first leg and a second leg. The bridge has a first end and a second end. The surgical staple has a first extension of the bridge adjacent the first end of the bridge and extending on an opposite side of the first leg relative to the second leg and a second extension of the bridge adjacent the second end of the bridge and extending on an opposite side of the second leg relative to the first leg. The bridge may also have a waisted or reduced width mid-section.

The embodiments of this specification provide a drive structure for a surgical stapling instrument and a surgical stapling instrument. The drive structure is disposed in a handle housing of the surgical stapling instrument and includes: a trigger rotatably disposed on the handle housing; a rack slidably disposed on the handle housing; a mode switching mechanism including a latch movably connected to the rack, a drive pawl movably connected to the trigger, and an operating button, the operating button being pressably disposed on the trigger and movable between an initial position and a depressed position. When the operating button is pressed and moves from the initial position to the depressed position, the operating button drives the drive pawl to switch from a first state to a second state. In the first state, the drive pawl engages with the latch, and the latch is restricted within a preset travel range. In the second state, the latch is disengaged from the drive pawl.

A surgical stapling instrument includes first and second jaws, a sensor assembly, and a controller. The controller detects that the jaws have been actuated from closed position to open position and back to closed position, and derives, from a first signal from the sensor assembly, a current distance between the distal ends of the jaws. Upon determining firing immediately preceding actuation of the jaws, the controller adjusts a camber adjustment value based on the current distance. Upon determining no firing immediately preceding actuation of the jaws and closing of the jaws with tissue grasped, the controller adjusts the tissue thickness measurement based on the camber adjustment value and controls the next firing based thereon. Upon determining no firing immediately preceding actuation of the jaws and that closing of the jaws with no tissue grasped therein, the controller adjusts the camber adjustment value based on the current measurement of the distance.

A surgical system includes a firing rod configured to be translated to deploy surgical staples during a firing stroke and a microcontroller configured to adjust firing rod velocity by pausing movement of the firing rod for a predefined period of time when the microcontroller detects a current draw by a motor driving the firing rod that exceeds a predefined threshold value. After the pause, the firing stroke can be resumed and if the current draw increase is less than the threshold value, the microcontroller can proceed cause the motor to drive the firing rod through the firing stroke without adjusting the velocity of the firing element.

An apparatus and a method are provided for a surgical bending instrument for bending surgical implants. The surgical bending instrument comprises a body including a longitudinally extending threaded hole. A shaft comprising a threaded portion is rotatably engaged within the threaded hole. A handle is coupled to a proximal end of the shaft, and a distal extension of the shaft comprises a driver. A distal force applicator comprises the driver centered between a first grip and a second grip. In some embodiments, the distal force applicator is configured to retain a surgical staple, such that the surgical staple may be changed to a distracted configuration suitable for implantation at a bone fixation or fusion site of a patient. In some embodiments, the distal force applicator is configured to bend a bone fusion plate so as to tailor the plate to specific anatomy of the patient's bone.

Medical device bending devices and methods of use are disclosed herein. An embodiment includes a body, a handle in rotatable relationship with the body, and a head that is coupled with the handle in such a way that when the handle is rotated the head is drawn at least partially into the body and towards the handle. A terminal end of the body that is opposite of the handle and the head cooperate as a vise that bends opposing arms of a surgical staple from an inwardly angled configuration to a parallel configuration (or at angles therebetween) when a crown of the surgical staple is clamped in the vise.

Apparatus and methods are described for use in securing a first bone relative to a second bone using a pair of surgical staples or, alternatively, a surgical staple and a bone screw. When a pair of staples are used, one of the legs of one of the staples may pass between the legs of the another of the staples. When a staple and a bone screw are used, the bone screw may pass between the legs of the staple. A guide tool can be used during the drilling of the holes for the legs of the staples or the legs of the staple and a bone screw. The guide tool provides guides for drilling guide holes for the staples or for the screw and staple.

To provide a surgical circular stapler having a motor capable of providing a force for clamping tissue.SOLUTION: A surgical circular stapler comprises a processor configured to: sense a motor load of an anvil-closing motor for moving an anvil to compress tissue; sense a motor load of a firing motor for applying a force to insert surgical staples into the tissue compressed by the anvil; and, when an increase in the motor load of the firing motor is sensed, control the anvil-closing motor so that the anvil applies a force to the tissue.SELECTED DRAWING: Figure 64

The technology relates to a surgical instrument. The surgical instrument may include a shaft assembly comprising a firing rod; a motor coupled to the firing rod and configured to drive the firing rod distally and retract the firing rod proximally; a tool assembly including an end effector; a processor; and memory storing instructions that, when executed by the processor, causes the surgical instrument to perform operations. The operations may include detecting a coupling of the tool assembly to the shaft assembly; based on detecting the coupling of the tool assembly to the shaft assembly, activating the motor to retract the firing rod proximally; monitoring a motor characteristic of the motor during retraction of the firing rod; and based on the monitored motor characteristic crossing a motor-characteristic threshold within a threshold distance, indicating a proper connection of the tool assembly to the shaft assembly.

A surgical stapler that can deliver staples or anchors into both tendon and bone. The staples or anchors releasably engage to the end of a staple rod. The stapler rod includes a butterfly clip on its proximal end, the butterfly clip having two wings or panels and a striking surface between the wings. The stapler is used to secure a biological construct to tendon or bone during arthroscopic surgery. The device includes a stapler handle with an insertable staple rod. The stapler handle drives the staple rod to advance a staple into the bone or tendon.

A method of adjusting a staple parameter of a surgical stapling instrument is disclosed. The method includes determining, by a control circuit of the surgical stapling instrument, a first stroke length for a first staple driver of the surgical stapling instrument to drive a first row of staples of a circular stapling head assembly of the surgical stapling instrument; detecting, by the control circuit, a malformed staple in the first row of staples; adjusting, by the control circuit, the staple parameter, based on the detection of the malformed staple; and determining, by the control circuit, a second stroke length for a second staple driver of the surgical stapling instrument to drive a second row of staples of the circular stapling head assembly.

A surgical stapling instrument comprising an elongate shaft assembly that includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument may include a first distal articulation driver operably coupled to the surgical end effector and a second distal articulation driver that is coupled to the surgical end effector. At least one driver member may operably engage the first and second distal articulation drivers such that when the first distal articulation driver is moved in a distal direction, the least one driver moves the second distal articulation driver in a proximal direction and when the first distal articulation driver is moved in the proximal direction, the at least one driver member moves the second distal articulation driver in the distal direction.

A surgical stapling instrument includes a handle including a motor, a control circuit electrically connected to the motor, and a button electrically connected to the control circuit, and a loading unit releasably connected to the handle including a cutting member mechanically connected to the motor; wherein the control circuit includes a microcontroller and a logic circuit electrically connected to the microcontroller, the microcontroller is electrically connected to the button, and the logic circuit is electrically connected between the button and the motor; when the button is actuated, the control circuit is capable of controlling the motor to drive the cutting member to move distally; when the button is not actuated, even if the microcontroller sends an advance signal, the logic circuit prevents the motor from driving the cutting member to move distally. The control circuit avoids the motor mistakenly driving the cutting member to move distally to avoid injuring normal tissue, damaging the instrument.

A surgical instrument for applying surgical staples to tissue comprises an end effector with a first and a second jaw that are movable between an open and a closed position. The instrument includes a drive element configured to move distally from the shaft into the end effector to deliver one or more staples to the first and second jaws. The instrument further includes at least one actuating rod extending through the shaft laterally to the drive element relative to the longitudinal axis and configured to move the jaws between the open and closed positions. Positioning the jaw actuator laterally to the drive element creates space for the drive element to deliver multiple staples to the jaws without interfering with the opening and closing of the jaws.

A drill guide for facilitating placement of a surgical staple into pre-drilled holes formed in a patient may include a support structure and a plurality of guide members coupled to the support structure. Each of the guide members may have a proximal end and a distal end disposed opposite one another along a longitudinal axis of the guide member. Each of the guide members may include a tubular portion extending from the proximal end toward the distal end of the guide member and a track portion extending from the tubular portion toward the distal end of the guide member. The tubular portion may define a through passage extending along the longitudinal axis of the guide member. The track portion may define an open channel in communication with the through passage and extending along the longitudinal axis of the guide member.

Medical device bending devices and methods of use are disclosed herein. An embodiment includes a body, a handle in rotatable relationship with the body, and a head that is coupled with the handle in such a way that when the handle is rotated the head is drawn at least partially into the body and towards the handle. A terminal end of the body that is opposite of the handle and the head cooperate as a vise that bends opposing arms of a surgical staple from an inwardly angled configuration to a parallel configuration (or at angles therebetween) when a crown of the surgical staple is clamped in the vise.

A surgical stapling device includes tool assembly having an anvil and a cartridge assembly that are coupled together to facilitate movement of the tool assembly between an open position and a clamped position to define a tissue gap between the staple cartridge and the anvil. The cartridge assembly includes a channel member that defines a cavity, a staple cartridge that is supported within the cavity of the channel member, and structure positioned between the staple cartridge and the channel member to selectively position the staple cartridge within the cavity of the channel member to control the size of the tissue gap.

The invention discloses a staple cartridge device (1). In an initial state, a blade (1033) of a cutting knife (103) is arranged in a knife groove (1024); when the cutting knife propeller (106) moves forwards, the rack (1062) is meshed with the gear (1032) to drive the cutting knife (103) to rotate, so that the blade (1033) is exposed; and when the cutter (103) is reset backwards, the cutter (103) is driven to rotate, so that the blade (1033) is retracted into the cutter groove (1024). According to the scheme, the nail bin device can carry the cutting knife, the cutting knife is hidden in the knife groove in the initial state, the cutting knife is opened through the structure transmission blade in the working process, and after tissue is cut, the cutting knife is hidden in the knife groove through the structure transmission blade again. Compared with an existing endoscope anastomat on the market, the endoscope anastomat has obvious technical advantages and use hand feeling, and in the operation process, when tissue is cut and sutured for multiple times, the nail bin with the cutting knife is replaced, and the performance is more stable.

Surgical stapling instruments having surgical stapling cartridges are disclosed. At least one embodiment includes an end effector that has an elongate channel that is configured to operably support a surgical staple cartridge therein and an anvil that is movably supported on the elongate channel between an open position and closed positions in response to an application of opening and closing motions applied thereto. An anvil lock member cooperates with the anvil to retain the anvil in an open position when a staple cartridge has not been installed in the elongate channel and prevent the anvil from moving to a closed position until the staple cartridge has been seated within the elongate channel. Surgical staple cartridges are configured to move the anvil from an open position to an actuatable position when the cartridge has been installed in the end effector.

A surgical stapling assembly is disclosed. The surgical stapling assembly may include a first jaw, a second jaw, an articulation joint, a closure drive with a first flexible rotation drive extending through the articulation joint, and a firing drive with a second flexible rotation drive extending through the articulation joint and rotatable independently from the first flexible rotation drive. The surgical stapling assembly may further include a 3D printed component. The surgical stapling assembly may be configured to form different staple shapes, such as non-planar and planar staples, may include an eccentrically driven firing assembly, and / or may include a floatable component. The surgical stapling assembly may include a staple cartridge including a longitudinal support beam.

A surgical staple includes a middle section extending between a first end and a second end; a first side section extending from the first end and being configured to be inserted into a bone; and a second side section extending from the second end and being configured to be inserted into a bone; wherein the first side section and the second side section cantilever away from the middle section, and the surgical staple is selectively movable between a relaxed configuration where the first side section and the second side section cantilever away from the middle section, and an opened configuration where the first side section and the second side section are substantially parallel to each other.