5980results about "Surgical forceps" patented technology

An electrosurgical instrument comprising an end effector is disclosed. The end effector comprises a first jaw and a second jaw. The first jaw comprises a first electrode. The end effector is movable from an open configuration to a closed configuration to grasp tissue. The second jaw comprises a second electrode configured to deliver a first monopolar energy to the tissue, a third electrode, and a conductive circuit selectively transitionable between a connected configuration with the third electrode and a disconnected configuration with the third electrode. In the connected configuration, the third electrode is configured to cooperate with the first electrode to deliver bipolar energy to the tissue. The conductive circuit defines a return path for the bipolar energy. In the disconnected configuration, the first electrode is configured to deliver a second monopolar energy to the tissue.

Surgical systems and related computer-implemented methods are provided, including during performance of a surgical procedure on a patient, receiving, at a first surgical system, a first dataflow from a second surgical system, the first dataflow including first data regarding a measured patient parameter that the first surgical system is configured to use in performing a function during the performance of the surgical procedure. The computer-implemented methods including determining that a trigger event occurred during the performance of the surgical procedure such that a sum of a first bandwidth of the first dataflow and a second bandwidth of a second dataflow exceeds an available bandwidth, and in response to determining that the trigger event occurred, and during the performance of the surgical procedure, adjusting at least one of the first and second dataflows such that the sum of the first and second bandwidths does not exceed the available bandwidth.

A surgical tool including an inelastic and elastic cable to impart a bend to a shaft. A steering assembly is coupled to the shaft and configured to cause longitudinal displacement of the shaft relative to the body to tension the cables to bend the shaft bendable section in a direction of the flexible inelastic cable. The surgical tool may include an active tip with one of the cables being configured to supply energy to the active tip. The surgical tool may be a shaver that includes a shaver shaft having a flexible section configured to be aligned with a shaft bendable section with the motor of the shaver supported on a cradle of a body. The shaft bendable section may be formed by links with the flexible inelastic cable being arcuately spaced apart from tabs within sockets that engage adjacent links.

A surgical instrument for applying surgical clips to tissue comprises an end effector having first and second jaws that are movable between open and closed positions and configured to receive first and second rows of clips in the open position. The instrument further includes an actuator coupled to the end effector and configured to move the jaws into the closed position and to discharge the first and second rows of clips. This allows an operator to apply multiple rows of clips to tissue with a single instrument insertion, which obviates the need to remove the surgical instrument from the cannula to manually reload a new cartridge, thereby reducing the overall time of the surgical procedure.

The present disclosure provides a staple cartridge for a surgical instrument having a staple and a staple pusher. The staple pusher has a recess forming a pocket in its top surface for receiving at least the backspan of the staple. The pocket is at least partially surrounded by a circumferential supporting element in the staple pusher body to support the backspan. The pocket provides additional vertical space and support for the staple such that a smaller staple cartridge may provide a substantially similar performance as conventional staple cartridges, allowing for a more compact and maneuverable surgical instrument. In addition, the pocket in the staple pusher allows for a staple having a larger bend radius than conventional staples, thereby providing additional support for the staple and minimizing malformation of the staple during use.

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

The present disclosure provides a staple cartridge for a surgical instrument, such as a tissue sealing instrument. The staple cartridge includes a housing and one or more staple assemblies within the housing. The staple assemblies each include one or more staple pushers and associated staples. The staple pushers and housing include coupling elements configured to cooperate with each other to retain the staple assemblies to the housing prior to use in surgery. The coupling elements, along with other components of the cartridge and instrument, result in a smaller staple cartridge relative to conventional devices, allowing for a more compact and maneuverable surgical instrument.

Systems and subsystems for closing an end effector of a stapler are disclosed. More specifically, the present disclosure relates to systems, devices, and subsystems for attachments for robotic surgeries. The surgical instrument is a robotic attachment. The surgical instrument includes a closure subsystem that moves independently of other subsystems that are operable independently of each other.

A universal double joint is provided comprising: a drive rotatable bearing having a first spherical surface formed of a plastic material; a proximal metal cross pin configured to receive an imparted drive force and to impart the imparted drive force to the first rotatable bearing; a driven rotatable bearing having a second spherical surface formed of a plastic material; and a distal metal cross pin configured to receive the imparted drive force and to impart the imparted drive force to the second rotatable bearing.

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and / or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and / or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and / or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and / or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

The present disclosure provides a staple cartridge for a surgical instrument, such as a tissue sealing instrument. The staple cartridge includes a housing and one or more staple assemblies within the housing. The staple assemblies each include one or more staple pushers and associated staples. The staple pushers and housing include coupling elements configured to cooperate with each other to retain the staple assemblies to the housing prior to use in surgery. The coupling elements, along with other components of the cartridge and instrument, result in a smaller staple cartridge relative to conventional devices, allowing for a more compact and maneuverable surgical instrument.

The present disclosure provides a staple cartridge for a surgical instrument having a staple and a staple pusher. The staple pusher has a recess forming a pocket in its top surface for receiving at least the backspan of the staple. The pocket is at least partially surrounded by a circumferential 5 supporting element in the staple pusher body to support the backspan. The pocket provides additional vertical space and support for the staple such that a smaller staple cartridge may provide a substantially similar performance as conventional staple cartridges, allowing for a more compact and maneuverable surgical instrument. In addition, the pocket in the staple pusher allows for a staple having a larger bend radius than conventional staples, thereby providing additional support 10 for the staple and minimizing malformation of the staple during use.

A surgical tool includes a drive housing removably coupled to a tool driver of a robotic surgical system, a shaft extending from the drive housing, an end effector arranged at an end of the shaft, and a computer system. The computer system is programmed to send a command signal to a motor of the tool driver to drive rotation of a drive shaft mounted within the drive housing, monitor torque and rotational motion of the motor with a torque sensor and a rotary encoder, respectively, in communication with the computer system, measure an unexpected change in the torque or the rotational motion of the motor with the torque sensor or the rotary encoder when the surgical tool is manually bailed out by manually rotating the drive shaft and backdriving the motor, report the unexpected change as a bailout signal, and disable the surgical tool once the bailout signal is received.

A method for downloading data from a surgical hub to a surgical instrument is disclosed. The method comprises assembling a first shaft assembly to a handle and downloading a first set of operational data from the surgical hub to the handle once the first shaft assembly is attached to the handle. The method further comprises assembling a second shaft assembly to the handle and downloading a second set of operational data from the surgical hub to the handle once the second shaft assembly is attached to the handle, wherein the second set of operational data is different than the first set of operational data.

A tissue resection apparatus is provided which includes an outer tube with a helical coil disposed on a distal end. The coil is provided with a first electrode. A central tube has a distal edge profile comprising one or more surface segments. One of the surface segments includes a second electrode. The central tube is slidably disposed within the outer tube and positioned such that second electrode opposes at least a portion of the first electrode. A cutting tube is slidably disposed within the central tube and includes a cutting edge.

A surgical tool (1) comprising: a plurality of arms (2), each of the plurality of arms comprises an aperture; an elongate pin extending through the aperture of each of the plurality of arms, said elongate pin (8) comprising an end stop (10) at a first end of the elongate pin, said stop (10) being adjacent to the aperture of a first arm (3) of the plurality of arms (2), and an end portion at a second end of the elongate pin, said end portion extending beyond a second arm (4) of the plurality of arms; a bearing plate mounted onto said end portion of the pin directly adjacent to the aperture of the second arm (4), wherein the end portion comprises a deformed region, deformed such that the pin (8) forms an interference fit with the bearing plate. Also provided is a method (400) of manufacturing said surgical tool.

In examples, a first surgical device may be configured to detect a user operation at the first surgical device. The first surgical device may obtain data associated with the user operation. The first surgical device may determine, based on the data, whether the user operation is associated with a second surgical device separate from the first surgical device. The first surgical device may generate a control signal for controlling the second surgical device based on the determination that the user operation is associated with the second surgical device.

A surgical robotic system includes an instrument and a surgeon console for setting a maximum opening aperture for an end effector of an instrument. The end effector has a first jaw and a second jaw, at least one of which is moveable relative to the other between closed and open configurations. The maximum opening aperture is a variable which limits the open configuration of the first and second jaws. The open and closed configurations of the first and second jaws are controlled by the input controller, which may include a handle controller or a foot pedal. The maximum opening aperture of the first and second jaws may be set on a display screen for receiving user input. The user input may be entered via interaction with a user interface element, such as a user-adjustable graphical representation of the instrument, a dropdown menu, an alphanumeric input box, a slider, etc.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The invention provides a clamping-driving-wrist multi-dimensional force optical fiber self-decoupling sensing device and method, and relates to the field of multi-dimensional force optical fiber sensing detection.The device comprises a clamp head, a clamp wrist, a clamp tail and a movable arm mechanism which are fixedly connected in sequence; the force sensing driving mechanism is connected with the clamp head and drives the clamp head to be opened and closed to measure driving force; a wrist three-dimensional force sensing mechanism is arranged at the wrist part of the clamp and is used for measuring resultant force formed by three-dimensional interaction force during cavity tissue interaction and driving force transmitted to the wrist part of the clamp by the head part of the clamp; a clamping force sensing mechanism is arranged in the clamp head, and the resultant force formed by the three-dimensional interaction force and the clamping force when the clamping force sensing mechanism interacts with the cavity tissue is measured; an angle adjusting mechanism is arranged in the movable arm mechanism, drives the movable arm mechanism to bend or unbend and senses a resultant force formed by a three-dimensional interaction force, a clamping force and a lifting force in a cavity tissue lifting state; according to the invention, the multi-dimensional force is measured, and an accurate result is obtained through decoupling.

Surgical robot systems for remote manipulation having robotic telemanipulators are provided. The surgical robot systems are well adapted for use by the surgeon, seamlessly integratable into the operation room, allow for a surgeon to work between the robot and the patient throughout a surgery in a sterile manner, are relatively low cost, and / or permit integrated laparoscopy. The system preferably includes a master console having a plurality of master links interconnected by a plurality of master joints, and a handle coupled to the master console for operating the telemanipulator. The system further includes a slave console operatively coupled to the master console and having a plurality of slave links interconnected by a plurality of slave joints that move responsive to movement at the master console to permit an end-effector to perform surgery.

Provided is a surgical instrument including an end tool that includes a jaw having a first jaw and a second jaw formed to face the first jaw, a first jaw pulley coupled to the jaw and formed to be rotatable around a first shaft, an opposing pulley formed to be rotatable around a shaft substantially the same as or parallel to the first shaft and formed to be spaced apart from the first jaw pulley by a certain extent, and a staple drive assembly including one or more staple pulleys at least partially formed between the first jaw pulley or the opposing pulley, a cartridge that includes a reciprocating assembly connected to the staple drive assembly and configured to move linearly in response to a rotational movement of the one or more staple pulleys, and an operation member that may be in contact with the reciprocating assembly and formed to move in one direction by the reciprocating assembly when the reciprocating assembly may move in the one direction, and a retraction wire connected to the operation member and formed to pull the operation member toward a proximal end of the jaw.

The invention discloses a tail end instrument for minimally invasive surgery, and relates to the technical field of surgical robots. A bearing groove is formed in the top of the bottom base, two wrapping posts are arranged at a port of the bottom base, threading holes are machined in the bottom face of the groove and the bottom ends of the outer sides of the wrapping posts respectively, two connecting arms at the bottom of the middle connecting piece are fixedly connected with the bottom base, and forward and reverse spiral wire grooves are machined in the side wall of a rotating shaft part of the top rotating piece and rotationally connected with the bottom base and the middle connecting piece. A threading hole is machined in the bottom face of an inner cavity, a sliding block is assembled in the inner cavity of the barrel-shaped part, two rope threading channels are machined, a clamp is installed at the top ends of the two supporting arms through a pin shaft, a wire guide wheel is arranged between the two supporting arms, the bottom ends of clamp arms are hinged to the sliding block through a transmission connecting rod, and two driving ropes control opening and closing of the clamp and rotation of a top rotating piece. Only two driving ropes are adopted, one driving rope achieves opening and closing actions of the clamp at the same time, the other driving rope controls the shaft rotation action, and the structural complexity and the operation difficulty of a tail end instrument are reduced.

An apparatus (1000) includes an end effector (200), a motor (1100), a sensor (1104), and a controller (1150). The end effector includes first and second jaws (202, 204) and a knife (206). The controller obtains using the sensor a first force value exerted by the motor as the knife is contacting the ramp surface. The controller determines whether the first force value exerted by the motor exceeds a first predetermined force threshold as the knife is contacting the ramp surface. The controller is configured to alter travel of the knife. Altering the travel of the knife includes at least one of: pausing the knife for a predetermined amount of time, pausing the knife until a second force value exerted by the motor obtained from the sensor is below the first predetermined force threshold, or advancing the knife at a second speed that is less than the first speed.

A surgical device includes a jaw assembly defining a first longitudinal axis and including a first jaw and a second jaw moveable relative to the first jaw; an elongated body defining a second longitudinal axis and coupled to a proximal end of the jaw assembly, wherein the jaw assembly is configured to articulate about an articulation axis transverse to the second longitudinal axis relative to the elongated body; and a handle assembly coupled to a proximal end of the elongated body and including at least one motor mechanically coupled to the jaw assembly and a control assembly including a first control button and a second control button, wherein actuation of the first control button moves the second jaw in approximation relative to the first jaw and actuating the second control button moves the second jaw away from the first jaw, and actuating the first and second control buttons moves the jaw assembly to a centered position in which the first and second longitudinal axes are substantially aligned, the handle assembly further includes an illumination member configured to output a light pattern indicative of a status of the surgical instrument.

The invention belongs to the field of sponge forceps, and discloses a pair of cardiopulmonary transplantation hemostatic sponge forceps, which comprises a clamping part, a hemostatic component and an adjusting component, the annular frames are symmetrically arranged on the clamping surfaces of the two clamp arms; the hemostasis assembly comprises a plurality of pressing cylinders evenly distributed in the circumferential direction of the annular frame, a pull wire linked with the multiple pressing cylinders and hemostasis layers arranged on the outer sides of the pressing cylinders. Wherein the pressing cylinders are arranged to have convergent motion freedom degrees towards the central axis of the annular frame, when the adjusting knob is operated to tighten the traction line, all the pressing cylinders synchronously move inwards in the radial direction to form a dynamic contraction ring structure, the hemostasis layer forms a continuous pressure applying face matched with the outer wall of a blood vessel, and through radial sliding fit of the pressing cylinders which are evenly distributed in the circumferential direction and the annular frame, the continuous pressure applying face is formed. A contraction ring structure with the diameter capable of being dynamically adjusted is formed by combining a synchronous contraction mechanism of a traction line, and the stress uniformity of a suture line is improved by applying multiple circumferential pressures to the vascular suture line, so that local high-pressure points caused by a traditional rigid forceps holder can be weakened.

An actuation assembly for a medical instrument connects four bands to three motorized degrees of freedom. The actuation assembly includes a first actuator, a second actuator and a third actuator. The first actuator is coupled to a first band and a second band, the first actuator being operable to pull in one of the first and second bands and feed out the other of the first and second bands. The third actuator is coupled to a third band and a fourth band, the third actuator being operable to pull in one of the third and fourth bands and feed out the other of the third and fourth bands. Each of the first, second, third, and fourth bands pass through a second actuator, and the second actuator is operable to increase the travel path of both the first and second bands or both the third and fourth bands.

A surgical system comprises a control circuit, a surgical instrument and a user interface is disclosed. The end effector assembly may comprise a sensor configured to detect a parameter associated with a function of the end effector, and transmit the detected parameter to the control circuit. Further, the control circuit may be configured to analyze the detected parameter based on a system-defined constraint and prevent at least one function of the surgical instrument based on a result of the analysis. The user interface may be configured to provide a current status regarding at least one prevented function of the surgical instrument.

A treatment tool for an endoscope includes a transmitting part that transmits an operation of an operating part to a grip part and a bendable part of a distal end part. The transmitting part has a first transmitting member hat is moved to an operating part side based on the operation of the operating part and closes the grip part and a second transmitting member that is moved to the operating part side based on the operation of the operating part and bends the bendable part. In response to the operation of the operating part, first, the first transmitting member is moved to the operating part side, and the second transmitting member is moved to the operating part side after the start of the movement of the first transmitting member.