135 results about "Surgical instrumentation" patented technology

Various articulating tools for driving fasteners or other surgical implements are disclosed. The articulating tool may be removably connected to a handpiece comprising a motor. The articulating tool may include a torque transmission mechanism that includes a first shaft that extends through the lumen of the elongate outer housing. The first shaft may transfer the torque from the motor to an articulating torque transmission unit. The articulating torque transmission unit may transfer the torque to the bit that interlocks to the fastener. The articulating tool may include an orientation mechanism that is separate from the torque transmission mechanism. The orientation mechanism can have one or more controllers to rotate the articulating unit and driver head adapter about one or more axes.

A coupling device for a surgical instrument, a handle device for it, and corresponding assembly and disassembly methods. The device has a force transmission element defining a longitudinal axis with an offset connection element at its proximal end, and a handle part movable about a pivot axis perpendicular to the longitudinal axis. Having a coupling element with a recess for receiving the connection element and a slider element which cooperates with the coupling element and is configured to cooperate with the movable handle part and to move in the direction of the longitudinal axis. Receiving in a guide receptacle of the slider element such that it can move along a coupling axis, and the recess in the coupling element corresponds to the coupling axis. Having a notch connected to the recess. The coupling element can move along the coupling axis between at least one release position and one engaging position.

This application discloses a robotic arm control method, a surgical instrument clamping and support device, an electronic device, a medium, and a product. The method includes: upon detecting a control trigger signal, determining the current control mode based on the control trigger signal; acquiring an original control signal based on the current control mode; determining the desired displacement increment of the robotic arm based on the original control signal; generating a target control signal to drive the robotic arm motor based on the desired displacement increment; and controlling the movement of each joint of the robotic arm based on the target control signal. This method enables multi-mode flexible control of the robotic arm, effectively improving the convenience and response speed of instrument adjustment during surgery, while ensuring surgical safety through multiple safety constraints, reducing the complexity of surgeon operations, and optimizing the surgical procedure.

A method for controlling an energy-based surgical instrument includes: activating an energy control signal at a subtherapeutic level; measuring a system response at the subtherapeutic level; adjusting one or more parameters based on the system response; and then activating the energy control signal at a therapeutic level according to the determined parameters. The subtherapeutic signal and the therapeutic signal may be ultrasonic energy or radio frequency (RF) energy and / or a combination of ultrasonic energy and RF energy. Controlled parameters may include mode, cycle time, power (e.g., ultrasound end-effector displacement), or crest factor. Other embodiments are described and claimed in this invention.

A surgical instrument is disclosed and comprises a handle; an elongated shaft extending distally from the handle; and a fastener deployment system for deploying fasteners from the elongated shaft. The fastener deployment system includes a driveshaft disposed within the elongated shaft and the driveshaft includes an internal channel adapted and arranged to contain at least one fastener. A cross-section of the internal channel within a distal portion of the driveshaft includes at least one flat portion that forms at least one guide surface. A plurality of slots are formed in the distal portion of the driveshaft to form a flexible portion of the driveshaft corresponding to an articulable portion of the elongated shaft and, at least a portion of internal channel including the cross-section with at least one flat portion is disposed within the flexible portion of the driveshaft.

A computer-assisted surgical system and its control method and medium, the system comprising: a surgical instrument including a clamping assembly configured to clamp a surgical target and an energy cutting element for cutting the surgical target; an actuator configured to drive the clamping assembly to open and close; and a controller coupled to the actuator; the controller being configured to: control the actuator to reach a first preset stroke to drive the clamping assembly to close to clamp the surgical target; actuate the energy cutting element of the surgical instrument to cut the surgical target; monitor force parameters characterizing the force acting on the actuator; and generate a control signal related to the completion of cutting based on the force parameters reaching a first preset value, wherein the first preset value corresponds to the force acting on the actuator when the actuator drives the clamping assembly to close when the surgical target is not clamped, and the first preset stroke is less than or equal to the second preset stroke.

This application provides a control method for a medical system, a transducer, and the medical system itself. The medical system includes a surgical robot, an energy generator, ultrasonic surgical instruments, and a transducer. The ultrasonic surgical instruments are mounted on the surgical robot, and the energy generator is connected to the ultrasonic surgical instruments via the transducer, with the energy generator and transducer having a communicative connection. The control method for the medical system includes: the transducer's input device receiving user input and generating and transmitting an excitation control signal based on the user input; the transducer's signal transmitter transmitting the excitation control signal to the energy generator; and the energy generator's controller controlling the excitation of the ultrasonic surgical instruments based on the excitation control signal. According to an embodiment of this application, by adding an excitation control component to the transducer, the excitation of the ultrasonic scalpel is directly controlled via the excitation control component on the transducer, replacing the external foot pedal. This simplifies the medical system structure, improves the space utilization of the operating room, and reduces the risk of accidents.

This invention discloses a human tissue measurement system integrated into surgical instruments, including a pressure measuring device, a measuring body, and a pressure acquisition module, a curve generation module, and a curve transmission module integrated into the measuring body. The pressure measuring device is used to acquire real-time pressure measurement data of human tissue changes with pressing time, and to generate a real-time pressure-time characteristic curve of the dynamic characteristics of the entire pressing process based on the real-time pressure measurement data. An external display device is used to acquire and display the real-time pressure-time characteristic curve. A trigger connector, located in the measuring body, is used to connect the surgical instruments and the pressure measuring device to realize data transmission. This human tissue measurement system integrated into surgical instruments allows the surgical instruments to carry the measuring device into the human body during surgery, without removing the human tissue from the body, and enabling pressure measurement of the target human tissue inside the body.

A surgical instrument that includes a shaft assembly and an articulation mechanism with an articulation link configured to couple to a tool assembly. The articulation mechanism includes a cam disk with at least two slots, and a drive plate with at least two cam members receivable in the corresponding at least two slots providing for articulation of the tool assembly.

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. The end effector is rotatably coupled to the shaft around at least one axis substantially perpendicular to the shaft. The instrument comprises a drive member configured for distal translation from the shaft into the end effector to deliver one or more clips to the first and second jaws. The instrument allows a surgeon, for example, to deliver one or more surgical clips onto tissue or vessels without having to exchange the instrument or to change the orientation of the jaws during clip advancement, which reduces disruption to the surgeon's workflow.

In certain embodiments, a method of identifying a composition of an aspirated material includes: controlling a surgical instrument to aspirate material through a probe that is fluidly connected with a vacuum source in an aspiration path. The method further includes estimating, during aspiration of the material, a flow rate of the material at the probe. The method further includes determining, using one or more sensors disposed along one or both of the aspiration path and infusion path, a change in pressure across the probe during aspiration. The method further includes determining a fluidic resistance of the material using the flow rate and the change in pressure, and providing feedback based, at least in part, on the fluidic resistance of the material and a reference value.

The present invention relates to surgical devices, particularly to a circumcision apparatus, enable the circumcision apparatus to be suitable for different surgery objects and environments.

An energy module is disclosed that includes a housing, a port mounted to the housing, a first emitter and a first receiver aligned with the first emitter, a second emitter and a second receiver aligned with the second emitter, and a control circuit in operable communication with the first emitter, the first receiver, the second emitter, and the second receiver. The control circuit is operable to emit a first beam from the first emitter toward the first receiver, emit a second beam from the second emitter toward the second receiver, and determine a type of surgical instrument coupled to the port based on the first receiver receiving or failing to receive the first beam and the second receiver receiving or failing to receive the second beam.

The apparatus comprises an implant 200, which may be a cochlear implant, having a plurality of electrodes, a memory 102 configured to store instructions and a processor 104 configured to execute the instructions. When executed the apparatus transmits to a pulse generator 110 an electrode operation signal 106 configured to generate a current pulse on a first pair of electrodes of the implant (202-208, fig 2), receive a first impedance signal 108a from a first measurement pair of electrodes due to interaction of the current pulse with the electrically conductive volume. Then receive a second impedance signal 108b from a second measurement pair of electrodes due to interaction with the electrically conductive volume. The first measurement pair of electrodes and the second measurement pair of electrodes are different. The processor then uses a predetermined mapping relationship to determine a distance between an electrode contact surface on the implant and a wall of the electrically conductive volume and output the determined distance. A surgical instrument for implant insertion is also disclosed. [Figure 1 to accompany the abstract]

This invention discloses a pressure measurement device for human tissue, comprising a support body and a measurement unit. A detection area is provided on the side of the support body that contacts the human tissue. The measurement unit includes a pressure measuring element and a piezoelectric signal integration module. The piezoelectric signal integration module includes a circuit board and a pressure sensor integrated on the circuit board. The pressure sensor receives pressure information generated by the pressure measuring element. This pressure measurement device for human tissue allows surgical instruments to be inserted into the human body with the measuring device during minimally invasive surgery, without the risk of infection or sharp edges, effectively avoiding damage to human tissue. It eliminates the need to remove the human tissue from the body, enabling pressure measurement of the target human tissue inside the body. The human tissue directly adheres to the pressure measuring element, allowing the pressure sensor to receive pressure information and transmit it to the circuit board. The circuit board then further transmits the information to other devices, facilitating the smooth progress of the surgical procedure.

The application provides an electrosurgical instrument and an electrosurgical system, comprising an electrosurgical host and an electrosurgical instrument. The electrosurgical instrument comprises a housing, a jaw assembly mounted on the housing, and an opening and closing actuating mechanism mounted on the housing and used to drive the jaw assembly to open and close to clamp or release the tissue; the jaw assembly is arranged to be electrically connected to the electrosurgical host, and the electrosurgical instrument further comprises a sensor used to detect a motion parameter of the opening and closing actuating mechanism or a motion parameter of the jaw assembly and send the motion parameter to a controller of the electrosurgical host; the controller compares the motion parameter with a preset condition in a memory, and when the motion parameter meets the preset condition, the controller controls the electrosurgical host to provide excitation energy to the electrosurgical instrument. Through the arrangement of the sensor, not only the clamping and coagulation action linkage can be realized, but also the sensor does not need to be mounted outside the housing for driving, so that the risk of accidental touch or cable entanglement caused by the exposure of the sensor is avoided.

A surgical instrument, system and method for adjusting a compression force applied by a surgical instrument are disclosed. The method includes determining tissue impedance of tissue in contact with an end effector of the surgical instrument, determining a tissue type based on the tissue impedance, selecting a first energy modality to deliver to the surgical instrument, generating a first signal waveform based on the first energy modality, selecting a second energy modality to deliver to the surgical instrument, generating a second signal waveform based on the second energy modality, outputting the first and second signal waveform to deliver energy to the end effector, and adjusting a compression force applied by the end effector by changing a size of a gap between the tissue and the clamp arm based on a proportion of the first signal waveform to the second signal waveform.

A surgical intelligence system can configure positioning and orientation of a surgical instrument during a surgical procedure by considering a current surgical step and a subsequent surgical step. The system can include a processor configured to identify a current acting surgical step and a subsequent surgical step associated with a surgical instrument. The system can determine a plurality of possible position configurations for the current acting step, evaluate an orientation of the instrument and an orientation of the patient, and calculate a corresponding downstream configuration for the subsequent step. Based on the determination, the system can adjust a current configuration and select a suitable configuration for the current acting step.

A system includes an energy-based surgical instrument having an end effector with two electrodes. One of the electrodes has multiple electrode portions. A generator coupled to the surgical instrument supplies radio frequency (RF) energy to the electrode portions for a tissue coagulation process, and further supplies RF energy at a higher voltage or current to the other electrode portion for a tissue transection process. Control elements monitor tissue impedance or tissue temperature. Other embodiments are described and claimed in this invention.

The electrosurgical host, electrosurgical system, and control method provided in this application embodiment include an electrosurgical host comprising a function modulation panel and a user interface. The function modulation panel has an intelligent switching control, which is used to set the electrosurgical host to intelligently switch its working mode and / or working level based on feedback electrical signals received in real time from the user interface. The user interface is used to connect to electrosurgical instruments and to transmit electrical energy to the electrosurgical instruments and receive feedback electrical signals from the electrosurgical instruments. It can automatically and intelligently switch the working mode and / or working level of the electrosurgical host based on feedback electrical signals during the operation, so that doctors or nurses do not need to know the corresponding modes and levels required for different surgical procedures and different tissues, and do not need to make manual adjustments, thereby reducing operation time.

The present invention provides an end tool for surgical instruments and a surgical instrument equipped therewith. [Solution] The present invention relates to an end tool 100 for a surgical instrument, which is attached to a robotic arm for use in laparoscopic surgery or various other surgeries, or which is manually operable, and which is rotatable in two or more directions and operates in a manner that is intuitively consistent with the operation of the control unit, and to a surgical instrument equipped therewith.

Surgical instrument for maxillary reduction

This invention discloses an adjustable stimulation application device for mouse pain experiments, relating to the field of veterinary surgical instrument technology. It includes an operating base and a control device fixedly mounted on the operating base. A surgical fixation table for mounting and fixing a mouse device is fixedly mounted on the operating base. A fixing block is fixedly mounted on the operating base, with a longitudinal groove inside the fixing block. A horizontal adjustment mechanism is provided on the fixing block, and an insertion mechanism is provided on the horizontal adjustment mechanism. The insertion mechanism is used to insert into mouse tissue to apply pain stimulation to the mouse. A longitudinal adjustment part is provided on the fixing block for adjusting the position of the horizontal adjustment mechanism. This device can precisely control the application position and insertion depth of the pain stimulation, meeting the control requirements of different stimulation intensities in pain experiments, effectively improving the consistency and accuracy of stimulation application in mouse pain experiments, and reducing experimental errors caused by manual operation.

This invention discloses a surgical instrument comprising an end effector and an articulation joint configured to allow the end effector to joint in place. The surgical instrument also includes an articulation drive system driven by at least one electric motor for performing articulation on the end effector.

Surgical tools (10) are disclosed comprising a surgical clamp (20) having at least two, preferably exactly two, legs (21) and a base (22) connecting the legs (21). The tools (10) comprise one or more of the following additional elements: a handle (30) integrally connected to the clamp (20), wherein the handle (30) is connected to the base (22) of the clamp (20) by at least a predetermined first breaking point (91); a drilling aid (40) having at least two openings (41) the distance (D) between which is greater than the distance (d) between the legs (21) of the clamp (20); a drill bit (50) connected, in particular at a first end (51), to the handle (30) by at least a predetermined third breaking point (93);a parting opening (42) designed such that, in particular after separation of the drilling aid (40) from the handle (30), the clamp can be received in the parting opening (42), particularly in the region of the first predetermined break point (91), such that the clamp (20) can be separated from the handle (30) at the first predetermined break point (91). More generally, one-piece surgical tools (10; 10') having at least two elements interconnected by predetermined break points are also disclosed.

The application discloses a surgical instrument, belonging to the field of medical instruments. It comprises a handle assembly, an elongated body assembly and an end execution assembly connected in sequence from proximal end to distal end. The end execution assembly is used for manipulating tissue. The handle assembly can operatively provide driving force to the end execution assembly. The elongated body assembly defines a longitudinal axis and transmits the driving force of the handle assembly to the end execution assembly. The handle assembly comprises a driving mechanism and a force detection device. The driving mechanism comprises a motor assembly and a transmission assembly. The output part of the transmission assembly is connected with a transmission rod of the elongated body assembly, so as to convert the torque output by the motor assembly into linear motion of the transmission rod. The transmission assembly comprises at least one rotating part capable of bearing axial force. The force detection device comprises a force sensor for detecting the axial force borne by the rotating part. The surgical instrument can accurately acquire the firing force of the end execution assembly.

A system includes an energy-based surgical instrument having an end effector with one or more jaw clamping elements. The end effector may include a segmented electrode having a distal portion and a proximal portion coupled to one jaw clamping element, and a return electrode coupled to another jaw clamping element. The distal and proximal portions may be energized individually or collaboratively with radio frequency (RF) energy. A pressure-changing mechanism may selectively limit or increase pressure at the distal portion of the electrode. The end effector may include a jaw clamping element having a tissue pad positioned within a channel. The end effector may include a conformal or erosive electrode extending to the distal end of the jaw assembly. Other embodiments are described and claimed in this invention.

An electrosurgical instrument end effector has first and second jaw members each including an electrically conductive tissue-contacting surface. The first and second jaw members are configured to grasp and electrosurgically treat tissue between the tissue-contacting surfaces. A thermal cutting element includes a body portion extending along the tissue-contacting surface of the second jaw member and a distal probe portion extending distally therefrom. The distal probe portion extends distally beyond a distal-most extent of the second jaw member, has a free end distally-spaced from this distal-most extent, and is exposed about the entire outer periphery thereof between the distal-most extent the free end. The body portion of the thermal cutting element is energizable for thermally treating tissue grasped between the tissue-contacting surfaces, while the distal probe portion of the thermal cutting element is energizable for thermally treating tissue positioned distally of the first and second jaw members.