1935results about "Surgical forceps" patented technology

A steering gear for a surgical instrument includes two motorized drives designed to spatially align a wobble plate via the adjustment angle of the two drives, which is designed to control a distal angling mechanism of the surgical instrument. A first of the two drives has a first motor, which drives a drive pinion via a driveshaft, which engages with a lateral toothing of a first toothed rack, driving a first transmission pinion of a first double gear. A second of the two drives has a second motor driving a drive pinion via a driveshaft, which engages with a lateral toothing of a second toothed rack and drives a second transmission pinion of a second double gear wheel. The wobble plate is arranged between the two bevel gear rims, which are facing one another and lie on a common axis.

A steering gear for a surgical instrument includes an angling mechanism which can be controlled by a spatially adjustable wobble plate. The steering gear has a first and a second drive wheel with a respective associated motor, and the second drive wheel is arranged offset by 180° relative to the first drive wheel on an axis of rotation in common with the first drive wheel and perpendicular to the longitudinal axis. The wobble plate is mounted between the first drive wheel and the second drive wheel in a steering ring. A retaining bracket rotatably about the common axis of rotation of the drive wheels, wherein the steering ring is mounted in the retaining bracket an rotatable about the axis of rotation of the third gear wheel, such that the engagement between the third gear wheel and the drive wheels is secured.

A method of manufacturing a surgical instrument that includes a tissue contacting surface operable to apply ultrasonic energy or RF energy to tissue. The method includes applying a hydrophobic coating that includes silicone to a base surface of the tissue contacting surface to form an applied coating layer having a coating application thickness. The method also includes removing portions of the applied coating layer with a resiliently biased mechanical coating removal tool to form a plurality of removed portions of coating. A removal depth of each removed portion of the plurality of removed portions can each be from 50% to 100% of the coating application thickness such that from 10% to 50% of the applied coating layer is removed from the base surface.

A fluidic artificial muscle actuator may include at least one inflatable bladder defining a first inflatable segment coupled to a first member and to a second member arranged at opposite ends of the first inflatable segment, and a second inflatable segment coupled to a third member and to a fourth member arranged at opposite ends of the second inflatable segment, and an effector coupled to the first inflatable segment and to the second inflatable segment for providing an actuator output. The first inflatable segment is configured to contract in a longitudinal direction with increase in fluid pressure in the first inflatable segment and the second inflatable segment is configured to extend in the longitudinal direction with increase in fluid pressure in the second inflatable segment.

A current supply arrangement (22) is used for electrical supply of two electrodes (18, 19), as well as for mechanical force transmission in a thermofusion instrument. Due to the configuration of the two electrical conductors (23, 28) as upright arranged flat parts and the force concerned coupling thereof in an interlocking section (32), the electrical conductors (23, 28) can be used as mechanical stiffening elements, whereby a filigree, gap-free, easily and reliably sterilizable configuration is achieved. The current supply of the instrument (10) is provided via one single cable (20) only, which is provided only on one of the two jaws (11, 12).

A method of reclaiming portions of a surgical kit having a surgical instrument includes disassembling the surgical instrument and determining a disposal methodology of the surgical kit. Furthermore, reclaiming further includes verifying reuse capacity of a portion of the surgical instrument and determining a waste stream for the portion of the surgical instrument. The method also includes disassembling the portion of the surgical instrument from a remainder of the surgical instrument at a predetermined region of the surgical instrument to thereby reclaim the portion of the surgical instrument according to the waste stream.

The present invention is an apparatus, device or tool for performing endoscopic (that is, minimally invasive) surgery. An exemplary embodiment of the invention includes a video endoscope whilst in another embodiment of the invention includes an endoscopic surgical tool which, when equipped with one of a suite of endoscopic surgical instruments, can be used by a surgeon to perform surgical procedures inside a body. Another embodiment of the present invention includes a suite of endoscopic surgical instruments designed to work co-operatively with the endoscopic surgical tool. In another embodiment of the present invention, a video-assisted endoscopic surgical tool system is provided. In one embodiment, the system includes the video-assisted endoscopic surgical tool and a suite of at least one endoscopic surgical instrument.

Bipolar electrosurgical forceps are provided with dual irrigating tubes that deliver irrigating liquid to the opposed surfaces of the tips of the forceps to prevent the sticking of body tissue to the tips. To reduce the manufacturing costs of the forceps and enable the forceps to be single use, disposable forceps, each tube of the dual irrigating tools is a plastic tube adhered along one of the opposing surfaces of the pair of forceps arms. Each tube also has a flat nozzle at the distal end of the tube that disburses irrigating liquid across the opposed surfaces of the forceps arm distal and tips.

A method of manufacturing a surgical instrument that includes a tissue contacting surface operable to apply ultrasonic energy or RF energy to tissue. The method includes applying a hydrophobic coating that includes silicone to a base surface of the tissue contacting surface to form an applied coating layer having a coating application thickness. The method also includes removing portions of the applied coating layer with a laser to form a plurality of removed portions of coating. A removal depth of each removed portion of the plurality of removed portions can each be from 50% to 100% of the coating application thickness such that from 10% to 50% of the applied coating layer is removed from the base surface.

Systems and methods for performing surgery are provided, which permit multiple tool tips to be interchanged within an instrument shaft during a minimally invasive procedure. The surgical device holds a plurality of interchangeable tool tips such that a selected tool tip from a chamber of a magazine can be mounted at the distal end of an elongated shaft for a laparoscopic surgery. In this manner, multiple tool types can be interchanged within a shaft without having to remove the instrument from the patient for tool changes, thereby increasing surgical efficiencies and reducing the number of tools needed for a procedure.

Proposed is an RF electrode cartridge for skin beauty care treatment and a handpiece for skin beauty care treatment provided with the same. While being freely tilted for all ranges of 360 angle degrees around a ball joint part 140 within a radius thereof, the RF electrode body 120 moves in a state of being brought into close contact with the skin during the procedure, thereby preventing an accident that may occur while the RF electrode body 120 is spaced apart from the skin and in which damage to the skin tissue or burns to the skin may be caused. Accordingly, the present disclosure may greatly improve safety during a procedure.

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.

Systems and subsystems for cutting and stapling tissue 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 including a roll subsystem. The roll subsystem comprises a rotatable shaft having a longitudinal axis, a roll input puck engageable with a roll robotic output, a worm gear coupled to and rotatable by the roll input puck, and a worm follower coupled to the rotatable shaft. Rotation of the roll input puck causes the worm gear to rotate the worm follower and thereby roll the rotatable shaft about its longitudinal axis.

The present application is directed to an endoscopic device with a shaft which has at least one segment that can be deflected in at least one plane, with an end effector which is arranged on an end segment of the shaft and which includes at least one tool piece, with an actuating unit that is designed for actuating the end effector and which extends at least in part through the shaft and is embodied flexible, at least in segments. The actuating unit has at least one electrical pole conductor for providing at least one electrical potential for the tool piece.

Systems, methods, and instrumentalities are disclosed for dynamically determining an activation mode (e.g., energy modality and / or energy level) of a surgical instrument based on monitored data. The surgical instrument may be a combination energy device capable of delivering ultrasonic energy and radiofrequency energy. The surgical instrument may monitor data associated with a surgical procedure. The surgical instrument may select an activation mode from the plurality of activation modes based on the monitored data. The surgical instrument may deliver energy of an energy modality associated with the selected activation mode. Monitored data may include visual data, electrical data, and / or mechanical data.

The present application belongs to the technical field of medical apparatus and instruments, and particularly relates to a surgical mechanical arm jaw locking mechanism. The present application comprises an arc-shaped outer shell, a jaw piece, a driving mechanism shell and a handle. The driving mechanism shell is rotationally matched with the arc-shaped outer shell. In the use process, the driving mechanism shell is rotationally matched with the arc-shaped outer shell, the driving mechanism shell and the handle are relatively fixed, and the handle can be rotated. When the instrument needs to be inserted into or out of a puncture device, the locking assembly is clamped and matched with the arc-shaped outer shell, so that the driving mechanism shell cannot be rotated, locking is realized, the jaw piece is locked straight, and the instrument can be inserted into or out of the puncture device by holding the instrument with one hand. During the operation, the locking assembly is separated from the arc-shaped outer shell, unlocking is realized, the jaw piece can be flexibly turned, and the instrument can be inserted into or out of the puncture device without the assistance of the other hand. The locking and unlocking are controlled by the locking control piece, and the control is simple and convenient, which greatly facilitates the use and operation of doctors.

The utility model relates to the technical field of clamping forceps, and discloses a pair of circular anastomat anvil head clamping forceps which comprises a clamping assembly, the clamping assembly comprises two main rods hinged to each other, forceps heads are arranged at the ends of the two main rods, clamping grooves are formed in the sides, close to each other, of the two forceps heads, and the two main rods are hinged to each other through the clamping grooves. An adjustable handle is arranged at the end, away from the forceps head, of the main rod and comprises two grab handles hinged to the main rod, and a connecting disc is arranged between the two grab handles. Through cooperative use of the clamping assembly, the adjustable handle and the limiting plate, hinging of the grab handle and the clamping assembly is achieved through the connecting disc and the forceps handle, the angle of the grab handle relative to the main rod can be adjusted according to needs, the clamping angle can be conveniently adjusted according to the operation habit of a doctor, the clamping accuracy is improved, and after clamping, the clamping angle can be adjusted conveniently. And the clamping position is locked through the limiting plate and the clamping column, loosening caused by misoperation is prevented, and the effects of flexible operation and stable clamping are achieved.

The invention relates to the technical field of medical instruments, in particular to superconductive low-temperature non-stick bipolar tweezers which comprise tweezers single pieces and a fixing shell, the two elastic tweezers single pieces are oppositely distributed, the fixing shell is arranged at one end, the two tweezers single pieces are clamped and fixed through the fixing shell, each tweezers single piece comprises a fixing part, a handle part, a supporting part and a tweezers tip part, the four parts are sequentially connected; a water conveying part is arranged among the fixing part, the handle part, the supporting part and the forceps tip part, the four parts are communicated through a water conveying pipe in the water conveying part, the water conveying part is connected with water conveying equipment, and cooling water stored in the water conveying pipe can cool the forceps tip part; the middle of the handle part is provided with a wire part, and the output end of the wire part is assembled with the forceps tip part and connected with high-frequency equipment through the wire part. According to the superconducting low-temperature non-stick bipolar tweezers, the risk that the bipolar tweezers adhere to human tissue can be reduced.

A surgical system is herein disclosed that includes a surgical instrument and a generator. The surgical instrument includes a handle assembly that is grasped by one or more hands of an operator, a shaft assembly connected to the handle assembly, an arm, an end effector connected to the shaft assembly that interacts with tissue, and a sensor that senses a characteristic of the arm, from which an amount of pressure experienced by the arm while the end effector interacts with the tissue is determined. The generator is connected to the surgical instrument and delivers, to the end effector, a power profile dynamically selected from a plurality of power profiles based on the determined amount of pressure experienced by the arm.

The right-angle separating forceps for the subclavian approach endoscopic surgery comprise a right-angle separating forceps head, a forceps rod, an inner rod, a rotating wheel, an operating handle and a fixing handle, the right-angle separating forceps head is installed at the front end of the forceps rod, and the inner rod is hinged to the rear end of the right-angle separating forceps head; the inner wall of the forceps rod is provided with an inner rod fixing groove, the outer side of the forceps rod is provided with a forceps rod rotating groove, and the rear end of the forceps rod is provided with a dismounting groove; fixing blocks are arranged on two sides of the middle part and are connected with the forceps rod, and a ball head is arranged at the rear end and is connected with the operating handle; a forceps rod clamping block is arranged in the rotating wheel and in an inner rod channel, and a channel opening is provided with a forceps rod clamping block clamped into the forceps rod rotating groove. The forceps are easy to disassemble, the forceps rod and the inner rod are detachable, and instruments can be thoroughly cleaned and disinfected conveniently; the clamp rod is matched with the rotating wheel, so that the clamping and separating range can be expanded; the flushing joint is vertically downward, so that the view at the upper end of the right-angle separation tong head is prevented from being blocked and the operation of a doctor is prevented; the tong head is a right-angle separating tong, so that fine operation in a narrow space is facilitated.

An endoscopic tissue fastening device may include a body having a first portion and a second portion disposed alongside the first portion. The second portion may extend distally from the first portion and may terminate in the distal face of the body. The device may also include a tissue fastening assembly having a fastening head having a proximal end and a distal end. The fastening head can be deflected at a position between the proximal end and the distal end of the fastening head. A tissue fastening assembly may be received within the lumen of the body. In addition, the body is movable between a non-articulated configuration and an articulated configuration. In the hinged configuration, the central longitudinal axis of the second portion of the body may be substantially parallel to the central longitudinal axis of the tissue fastening assembly.

The present invention relates to an asymmetric rolling joint device of a surgical instrument, and more particularly to an asymmetric rolling joint device of a surgical instrument in which contact rolling surfaces of mutually facing joint links are asymmetrically formed to increase a traction force. To this end, there is disclosed an asymmetric rolling joint device of a surgical instrument, characterized by comprising: a first joint link portion for forming a joint of a surgical instrument; and a second joint link portion in rolling contact with the first joint link portion, contact rolling surfaces of the first joint link portion and the second joint link portion in mutual rolling contact being asymmetrically formed to relatively increase a traction force as compared to symmetry.

A graft preparation system includes a fixation implant including a strand of suture wrapped around a graft preparation card. A tenaculum includes a first arm having a first tooth and a second arm having a second tooth that are pivotally connected at a pivot. The first arm includes a slot between the first tooth and the pivot that receives the graft preparation card. A tape suture assembly includes a tape suture and a first suture strand. The tape suture is positioned on a graft, and the tape suture is attached to the graft with a stitch formed with the first suture strand.

A teleoperated surgical system is provided that includes a surgical instrument that includes an end effector mounted for rotation about a slave pivot axis; a master control input includes a mount member, first and second master grip rotatably secured at the mount member for rotation about a master pivot axis; sensor to produce a sensor signal indicative of a slave grip counter-force about the slave pivot axis; one or more motors to impart a shear force to the mount member, perpendicular to the master pivot axis; one or more processors to convert the sensor signal to motor control signals to cause the motors to impart the feedback shear force to the first and second master grip members.

A fiber optic treatment tool system according to the present invention comprises: a treatment tool that treats tissue of an observation target site; a light-emitting unit that emits light in a wavelength band that excites a fluorescent reagent contained in a drug bound to the observation target site; a light guide part that is configured using an optical fiber and that guides light between one end and the other end thereof; a light-receiving unit that detects return light from the treatment tool or the observation target site incident on the light guide part; and a control unit that controls the intensity of the light emitted by the light-emitting unit. The light guide unit has one end located at the end of the treatment tool on the observation target site side and the other end connected to the light-emitting unit and the light-receiving unit. The control unit reduces the light emission intensity of the light-emitting unit when the intensity value of the return light acquired from the light-receiving unit is equal to or greater than a preset threshold value.

A surgical system is disclosed including an evacuation module and a controller. The evacuation module comprises a motor and a pump drivable by the motor to draw smoke from a patient. The controller is operable to receive a first input indicative of a first step of a surgical procedure, set a first motor speed of the motor based on the first input, receive a second input indicative of a second step of the surgical procedure, and adjust the first motor speed to a second motor speed different than the first motor speed based on the second input.

The invention discloses a linear cutting and closing device for polyp resection under an endoscope, relates to the technical field of medical closing devices, and aims to solve the technical problems that perforation is easily generated in linear cutting and closing cutting, and repeated cutting is needed. Magnetic attraction linkage is taken as a core, the clamping force of the closed clamp is accurately controlled through the first magnetic attraction block, and a fine adjustment structure and a clamping limiting design are matched, so that sufficient clamping and one-time complete excision of a polyp are realized, and multiple times of cutting are avoided; the flexible lead body and the miniaturized structure are matched with an endoscope channel, so that the operation flexibility of a complex digestive tract is improved; the automatic conveying and clamping structure can immediately close the wound surface, and the bleeding and perforation risks are reduced; the whole-course button control simplifies operation, the elastic reset assembly reduces manual steps, and the operation time is shortened. The operation safety, the operation convenience and the adaptability are considered on the whole, the complication occurrence rate is effectively reduced, and the clinical treatment effect and efficiency of the endoscopic polyp resection operation are remarkably improved.

An end effector including a yoke arms, a pivot pin extending between the yoke arms, a pulley mounted on the pivot pin and having a drive pin extending laterally outward from a first side surface thereof, a cam member adjacent the first side surface and including a proximal body having a drive arm, wherein a cam pin is provided at a distal end of the drive arm, and wherein the proximal body has a cam slot that includes a vertical cam path and a horizontal cam path, wherein the vertical cam path is associated with the drive pin and the horizontal cam path is associated with the pivot pin, a first jaw carrier having a cam slot for a first portion of the cam pin and a second jaw carrier having a cam slot for a second portion of the cam pin.

An endoscopic bipolar forceps device features a housing equipped with an ergonomic handle and a movable handle assembly that is pivotally connected to the housing. The device includes a shaft extending from the housing, with an end effector assembly that can be detached from the distal end of the shaft. The end effector assembly comprises opposing jaw members: one with variable temperature electrode heat bars and the other with recessed areas designed to accept these bars. Configuration enables secure grasping and manipulation of tissue. A trigger on the handle assembly allows the jaws to transition between open and closed positions. The device is also equipped with a temperature control unit connected via a control cable to regulate the temperatures of the electrode heat bars. The electrode heat bars are capable of operating at different temperatures, and the jaws can be configured to be either curved or flat for enhanced performance.