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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 2727. Отображено 100.
09-02-2012 дата публикации

System and method for identifying a landmark

Номер: US20120035468A1
Принадлежит: Smith and Nephew Inc

A system for targeting landmarks on devices such as surgical implants is disclosed. The system can include a field generator for generating one or more magnetic fields, an orthopaedic implant located within the magnetic fields, the implant having at least one landmark, a removable probe with a first magnetic sensor, a landmark identifier and a processor. The landmark identifier can contain a second sensor, or, alternatively, the field generator. The processor can utilize sensor data and, if desirable, field generator and other information, to generate and display the position and orientation of the sensor(s) in preferably six degrees of freedom, and thereby, to generate and display the position and orientation of the landmark(s). The system allows for blind targeting of one or more landmarks. The landmark identifier, field generator and/or drill motor may be disposed in an autoclavable housing.

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01-11-2012 дата публикации

Method and Apparatus for Calibrating and Re-aligning an Ultrasound Image Plane to a Navigation Tracker

Номер: US20120277585A1
Принадлежит: Medtronic Navigation Inc

The present disclosure relates to acquiring image data of a subject with an imaging system that has been calibrated. The imaging system can include an ultrasound imaging system that collects one of more images based on a plane of image acquisition. The plane of image acquisition can be calibrated to a tracking device associated with the ultrasound transducer.

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04-04-2013 дата публикации

System and method for calibration of optical fiber instrument

Номер: US20130085332A1
Принадлежит: KONINKLIJKE PHILIPS ELECTRONICS NV

An instrument system that includes an elongate body in a geometric configuration, an optical fiber, and a controller is provided. The optical fiber is operatively coupled to the elongate body and has a strain sensor provided on the optical fiber, wherein at least a portion of the optical fiber is in the geometric configuration. The controller is operatively coupled to the optical fiber and adapted to receive, from a source other than the optical fiber, information indicative of the geometric configuration, receive a signal from the strain sensor, and associate the signal with the geometric configuration.

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18-04-2013 дата публикации

System and method for real-time endoscope calibration

Номер: US20130096424A1
Принадлежит: KONINKLIJKE PHILIPS ELECTRONICS NV

A sensor tracking device, system and method include a sensor ( 118 ) configured on a wire ( 110 ) and adapted to fit in a working channel ( 116 ) of an endoscope ( 100 ). An image identifiable feature ( 120 ) is formed on a distal end portion of the sensor which is identifiable when the sensor is extended from the endoscope. An image of the image identifiable feature is collected by the endoscope and permits a determination of a pose of the endoscope.

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04-07-2013 дата публикации

Neural Monitor-Based Dynamic Haptics

Номер: US20130172902A1
Принадлежит: Mako Surgical Corp

A computer-assisted surgery system may have a robotic arm including a surgical tool and a processor communicatively connected to the robotic arm. The processor may be configured to receive, from a neural monitor, a signal indicative of a distance between the surgical tool and a portion of a patient's anatomy including nervous tissue. The processor may be further configured to generate a command for altering a degree to which the robotic arm resists movement based on the signal received from the neural monitor; and send the command to the robotic arm.

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02-01-2020 дата публикации

MECHANISMS FOR COMPENSATING FOR DRIVETRAIN FAILURE IN POWERED SURGICAL INSTRUMENTS

Номер: US20200000471A1
Принадлежит:

A method for assessing performance of a surgical instrument including one or more drivetrains is disclosed. The method includes sensing via one or more vibration sensors vibrations generated during operation of the one or more drivetrains of the surgical instrument, generating an output signal based on the sensed vibrations, filtering the output signal to generate a filtered signal of the sensed vibrations from the one or more drivetrains, processing the filtered signal to generate a processed signal of the sensed vibrations from the one or more drivetrains, and comparing predetermined threshold values for each of an acceptable status, a marginal status, and a critical status of the surgical instrument to corresponding values of the processed signal. 1. A method for assessing performance of a surgical instrument including one or more drivetrains , the method comprising:sensing via one or more vibration sensors vibrations generated during operation of the one or more drivetrains of the surgical instrument;generating an output signal based on the sensed vibrations;filtering the output signal to generate a filtered signal of the sensed vibrations from the one or more drivetrains;processing the filtered signal to generate a processed signal of the sensed vibrations from the one or more drivetrains; andcomparing predetermined threshold values for each of an acceptable status, a marginal status, and a critical status of the surgical instrument to corresponding values of the processed signal.2. The method of claim 1 , further comprising detecting a critical malfunction of the surgical instrument when the predetermined threshold values associated with the critical status are equal to or less than the corresponding values of the processed signal.3. The method of claim 1 , further comprising detect an acute malfunction of the surgical instrument when the predetermined threshold values associated with the critical status are greater than the corresponding values of the ...

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03-01-2019 дата публикации

Neural monitor-based dynamic haptics

Номер: US20190000553A1
Принадлежит: Mako Surgical Corp

A surgical system includes a robotic device, and a surgical tool coupled to the robotic device and comprising a distal end. The system further includes a neural monitor configured to generate an electrical signal and apply the electrical signal to the distal end of the surgical tool, wherein the electrical signal causes innervation of a first portion of a patient's anatomy which generates an electromyographic signal, and a sensor configured to measure the electromyographic signal. The neural monitor is configured to determine a distance between the distal end of the surgical tool and a portion of nervous tissue based on the electrical signal and the electromyographic signal, and cause feedback to be provided to a user based on the distance.

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04-01-2018 дата публикации

System and method for testing electrosurgical generators

Номер: US20180000532A1
Принадлежит: COVIDIEN LP

A system is provided. The system includes an electrosurgical generator configured to measure, collect and record data pertaining to a characteristic of tissue as the tissue is being electrosurgically treated. A tuner configured to couple to the electrosurgical generator includes a tuning circuit providing a load having a variable complex impedance for the electrosurgical generator when the electrosurgical generator is connected thereto. A controller including stored data pertaining to impedance values is in operable communication with the electrosurgical generator for retrieving the recorded data pertaining to the characteristic of tissue. The controller is in operable communication with the tuner for varying a complex impedance of the load. The controller configured to compare the recorded data pertaining to the at least one characteristic of tissue with the stored data pertaining to the plurality of impedance values and to adjust the tuner to one of the plurality of impedance values.

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05-01-2017 дата публикации

UNIVERSAL INSTRUMENT OR INSTRUMENT SET FOR COMPUTER GUIDED SURGERY

Номер: US20170000583A1
Принадлежит:

The invention relates to an instrument for use in computer guided surgery. The instrument includes a shaft and a reference element adapter, wherein the reference element adapter is directly couplable to the shaft and rotatable about the shaft. A selectively operable mechanical retainer provides retention of the reference element adapter to an instrument shaft adapting interface of the instrument shaft. The instrument also includes a reference element orientating mechanism arranged at an interface between the instrument shaft adapting interface and the reference element adaptor. The reference element orienting mechanism is capable of fixing at least one angular position of the reference element. The instrument also includes a grip piece interface on the instrument shaft, and a grip piece is selectively couplable to the grip piece interface. 1. A reference element adapter apparatus selectively rotatably attachable with a shaft of an associated instrument for use in computer guided surgery , the reference element adapter apparatus comprising:a body member comprising a portion configured for selective attachment with an associated reference element,the body member defining an inner axial passageway having a fixed inner diameter,wherein the body member is selectively coaxially receivable onto an adapter interface of the shaft of the associated instrument at the fixed inner diameter to provide selective relative rotatable attachment between the associated instrument and the associated reference element selectively attached with the body member.2. The reference element adapter apparatus of claim 1 , further comprising:a reference element orientating mechanism operable to selectively fix at least one angular position of the body member relative to the shaft of the associated instrument.3. The reference element adapter apparatus of claim 2 , wherein the reference element orientating mechanism is a selectively operable catch.4. The reference element adapter apparatus of claim ...

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13-01-2022 дата публикации

Handheld electromechanical surgical system

Номер: US20220008079A1
Принадлежит: COVIDIEN LP

The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

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07-01-2021 дата публикации

IMU CALIBRATION

Номер: US20210003655A1
Автор: Mahfouz Mohamed R.
Принадлежит: TechMah Medical, LLC

A method of calibrating an inertial measurement unit, the method comprising: (a) collecting data from the inertial measurement unit while stationary as a first step; (b) collecting data from the inertial measurement unit while repositioning the inertial measurement unit around three orthogonal axes of the inertial measurement unit as a second step; (c) calibrating a plurality of gyroscopes using the data collected during the first step and the second step; (d) calibrating a plurality of magnetometers using the data collected during the first step and the second step; (e) calibrating a plurality of accelerometers using the data collected during the first step and the second step; (f) where calibrating the plurality of magnetometers includes extracting parameters for distortion detection and using the extracted parameters to determine if magnetic distortion is present within a local field of the inertial measurement unit. 122.-. (canceled)23. A method of calibrating at least two magnetometers of an inertial measurement unit , where the inertial measurement unit includes at least two accelerometers , the method comprising:presuming at least one of the following: (1) a vector angle and a vector length of the at least two magnetometers have approximately identical values; (2) each of a plurality of magnetometer vectors is approximately unity in magnitude; (3) an angle between a calibrated magnetometer vector and a calibrated accelerometer vector should not change; (4) a radius of the at least two magnetometers post calibration is approximately equal to one; and, (5) quaternions calculated using different ones of the at least two magnetometers are approximately equal;collecting data from the inertial measurement unit, while stationary as a first step;collecting data from the inertial measurement unit while repositioning the inertial measurement unit as a second step;calibrating the at least two magnetometers using the data collected during the first step and the second ...

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12-01-2017 дата публикации

EXTERNAL HAND CONTROL FOR SURGICAL POWER TOOL

Номер: US20170007219A1
Принадлежит:

A control device for a surgical power tool. The control device including a housing, an input element located on the housing, and a control unit. The housing configured to couple to a surgical power tool. The input element located proximate the top of the housing and configured to receive a user input. The control unit located within the housing, where the control unit sends user input information received at the input element to the surgical power tool. 1. A control device for a surgical power tool comprising:a housing sized and configured to couple to a surgical power tool;an input surface provided at the housing for receiving a user input; anda control unit within the housing for sending user input information received at the input surface to a surgical power tool.2. The device of claim 1 , further including:a top housing coupled to a bottom housing,wherein the bottom housing is sized and configured to couple to a surgical power tool.3. The device of claim 2 , wherein the top housing is integrally formed with the bottom housing.4. The device of claim 1 , further comprising arms extending from the housing claim 1 , the arms sized and configured to engage at least a portion of an outer perimeter of a power tool claim 1 , the arms extending from the housing in a direction away from a bottom surface of the housing and include an inner surface having a shape corresponding to an outer perimeter of a power tool.5. The device of claim 4 , wherein the arms are sized and configured to couple the control device to a handpiece of a power tool.6. The device of claim 4 , wherein the arms couple the housing to a power tool by at least one of a snap fit claim 4 , press fit claim 4 , a mechanical fastener claim 4 , a weld and an adhesive.7. The device of claim 1 , wherein the input surface is accessible via an opening in a top surface of the housing claim 1 , input surface extending at least partially into the opening on the housing.8. The device of claim 1 , wherein the input ...

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04-01-2018 дата публикации

Image calibration inspection tool and endoscope system

Номер: US20180007346A1
Автор: Takanori USHIJIMA
Принадлежит: Olympus Corp

An image calibration inspection tool includes: a plurality of substantially rectangular markers, two orthogonal sides of which are connected by an arc-shaped curve; and a calibration chart in which the plurality of markers are formed on a metal plate through machining, laser marking, or the like, wherein two of the markers in a diagonal direction are separated by a predetermined distance.

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10-01-2019 дата публикации

Reusable ultrasonic medical devices and methods of their use

Номер: US20190008543A1
Принадлежит: Ethicon LLC

A variety of methods for managing a re-usable ultrasonic medical device may include a medical device control module capable of receiving functional data from a user assembled or reassembled ultrasonic medical device, and notifying the user if a value of the functional data lies within an acceptance range. If the value of the functional data does not lie within the acceptance range, the control module may prompt a user to reassemble the device or to clean or replace one or more components thereof. The functional data may relate to a clamp force of a jaw assembly, an impedance or resonant frequency value of an ultrasonic blade, or a mechanical displacement value of one or more moving components of the device.

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18-01-2018 дата публикации

Surgical Access System and Related Methods

Номер: US20180014722A1
Принадлежит: Nuvasive Inc

A surgical access system comprising a tissue dilation assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures.

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18-01-2018 дата публикации

Method and apparatus for fabricating self-retaining sutures with calibration

Номер: US20180014827A1
Автор: Nilesh A. Shah
Принадлежит: Ethicon LLC

An apparatus and method for improved cutting of self-retaining elements on a suture material, including the use of an improved calibration system. The calibration system includes a light emitting source and light receiving source, emitting light through a blade housing where the blade edge is within the light emitted pathway. The blade housing can be moved in accordance with the calibration information.

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18-01-2018 дата публикации

METHODS FOR LOCATING AND TRACKING A TOOL AXIS

Номер: US20180014888A1
Принадлежит:

A calibration device is provided having a body with an exterior surface configured for placement about a tool such that the body rotates about a tool axis. One or more fiducial marker is positioned on the exterior surface and in communication with a tracking system. A fixed fiducial marker array is provided that is also in communication with the tracking system. A calibration tool defines the tool axis relative to the fiducial marker array. A surgical system is also provided with a tracking module that calculates a center point of the rotation or a normal vector to the circular path to define a tool axis orientation. A method of using the surgical system and defining a tool axis relative to a fiducial marker array is provided. A system for defining a robot link orientation or tracking a tool a medical procedure and a fiducial marker array are provided. 1. A calibration device comprising:a body with an exterior surface, said body configured for placement about a tool having a tool axis such that said body rotates about the tool axis;at least one fiducial marker positioned on an exterior surface of said body, where said at least one fiducial marker is in communication with a tracking system;a fixed fiducial marker array in communication with said tracking system; andwherein said calibration tool defines said tool axis relative to said fiducial marker array.2. The calibration device of wherein said body is a hollow cylindrical sleeve.3. The calibration device of further comprising two or more fiducial markers offset axially along a longitudinal axis of said hollow cylindrical sleeve.4. The calibration device of wherein said at least one fiducial marker is positioned at a known distance from a first end of said hollow cylindrical sleeve.5. The calibration device of wherein said sleeve further comprises a first end with an abutment surface claim 2 , and where a position of the at least one fiducial marker is a known distance from said abutment surface.6. The calibration ...

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17-01-2019 дата публикации

POLARITY OF HALL MAGNET TO DETECT MISLOADED CARTRIDGE

Номер: US20190015102A1
Принадлежит:

A surgical stapling system including a shaft assembly transmits actuation motions from an actuator and an end effector compresses and staples tissue. The end effector comprises an channel; an anvil having a staple forming surface is moveable relative to the channel between open and closed positions; the anvil having a magnet at the distal end; and a staple cartridge removably positionable within the channel. The staple cartridge comprises a body supported for a confronting relationship with the anvil in its closed position; a plurality of staple drivers located within the cartridge body support a staple; a Hall effect sensor located at the distal end of the body; and a microprocessor in communication with the Hall effect sensor. The Hall effect sensor and microprocessor receive power when the staple cartridge is positioned within the channel, and the system is operable to identify the staple cartridge. 1. A surgical stapling system comprising:an elongated shaft assembly configured to transmit actuation motions from an actuator; andan end effector for compressing and stapling tissue, the end effector operably coupled to the elongated shaft, the end effector comprising:an elongated channel;an anvil having a staple forming surface thereon, the anvil moveable to relative to the elongated channel between an open position and a closed position; the anvil having a magnet located at the distal end; anda staple cartridge removably positioned within the elongated channel, the staple cartridge comprising:a cartridge body supported for a confronting relationship with the anvil when the anvil is in the closed position;a plurality of staple drivers located within the cartridge body, wherein each one of the plurality of staple drivers supports a staple;a Hall effect sensor located at the distal end of the cartridge body; anda microprocessor in communication with the Hall effect sensor;wherein the Hall effect sensor and microprocessor receive power when the staple cartridge is ...

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17-01-2019 дата публикации

METHOD AND APPARATUS FOR CONTROLLING A HAPTIC DEVICE

Номер: US20190015164A1
Принадлежит: MAKO Surgical Corp.

A method of compensating for motion of objects during a surgical procedure is provided. The method includes determining a pose of an anatomy of a patient; determining a pose of a surgical tool of a surgical device; defining a relationship between the pose of the anatomy and a position, an orientation, a velocity, and/or an acceleration of the surgical tool; associating the pose of the anatomy, the pose of the surgical tool, and the relationship; and updating the association in response to a motion of the anatomy and/or a motion of the surgical tool without interrupting operation of the surgical device during the surgical procedure. 1determining a pose of an anatomy of a patient;determining a pose of a surgical tool of a surgical device;defining a relationship between the pose of the anatomy and at least one of a position, an orientation, a velocity, and an acceleration of the surgical tool;associating the pose of the anatomy, the pose of the surgical tool, and the relationship; andupdating the association in response to at least one of a motion of the anatomy and a motion of the surgical tool without interrupting operation of the surgical device during the surgical procedure.. A method of compensating for motion of objects during a surgical procedure, comprising the steps of: This application is a continuation of U.S. application Ser. No. 11/750,840, filed May 18, 2007, which claims the benefit of and priority to U.S. Provisional Application No. 60/801,378, filed May 19, 2006, both of which are hereby incorporated by reference herein in their entireties.The invention relates to a surgical system and, more particularly, to method and apparatus for controlling a haptic device.Minimally invasive surgery (MIS) is the performance of surgery through incisions that are considerably smaller than incisions used in traditional surgical approaches. For example, in an orthopedic application such as total knee replacement surgery, an MIS incision length may be in a range of ...

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16-01-2020 дата публикации

Apparatus for ensuring strain gauge accuracy in medical reusable device

Номер: US20200015824A1
Принадлежит: COVIDIEN LP

An apparatus for ensuring strain gauge accuracy including a handle assembly including a controller, an adapter assembly including a tubular housing having a proximal end portion configured to couple to the handle assembly and a distal end portion, a load sensing assembly configured to measure a load exerted on the tubular housing, and a signal processing circuit electrically coupled to the load sensing assembly, a memory coupled to the signal processing circuit, and a calibration assembly including a biasing member having a known spring rate stored as a force value in the memory, the calibration assembly configured to couple to the distal end portion of the adapter assembly. The signal processing circuit is configured to calibrate the adapter assembly with the calibration assembly attached thereto by calculating a correction factor based on a comparison a force of the spring member measured by the load sensing assembly to the force value.

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16-01-2020 дата публикации

METHOD FOR CALIBRATING A MANIPULATOR OF A DIAGNOSTIC AND/OR THERAPEUTIC MANIPULATOR SYSTEM

Номер: US20200016758A1
Принадлежит:

A method for calibrating a manipulator of a diagnostic and/or therapeutic manipulator system, wherein the manipulator system includes at least one medical imaging device. The method includes at least: a) moving the manipulator to at least one target pose; b) capturing at least one image of at least a part of the manipulator and/or at least of a part of an end effector of the manipulator with the medical imaging device if the manipulator has moved to the target pose; c) determining the actual pose of the manipulator using the captured image; d) determining the deviation between the target pose and the actual pose of the manipulator; and e) calculating at least one calibration parameter on the basis of the determined deviation, and calibrating the manipulator. 120-. (canceled)21. A method for calibrating a robotic manipulator of a diagnostic and/or therapeutic manipulator system , wherein the robotic manipulator system includes at least one medical imaging device , the method comprising:a) approaching at least one target pose with the robotic manipulator;b) capturing at least one image of at least one part of the robotic manipulator and/or at least one part of an end effector of the robotic manipulator with the medical imaging device when the robotic manipulator has moved to the target pose;c) determining the actual pose of the manipulator using the captured image;d) determining a deviation between the target pose and the actual pose of the robotic manipulator;e) calculating at least one calibration parameter based on the determined deviation; andf) calibrating the robotic manipulator based on the at least one calibration parameter.22. The method of claim 21 , further comprising:determining a quality parameter indicative of the accuracy of the manipulator in approach to the target pose, wherein the quality parameter indicates at least one of the absolute accuracy or the repeat accuracy of the robotic manipulator; andrepeating steps a) through f) until the quality ...

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26-01-2017 дата публикации

Method and apparatus for controlling a haptic device

Номер: US20170020613A1
Принадлежит: Mako Surgical Corp

A method for calibrating a surgical device is provided. The method includes acquiring first data including a position and/or an orientation of a first object disposed on the surgical device at a first location; acquiring second data including a position and/or an orientation of a second object disposed on the surgical device at a second location; determining third data including a position and/or an orientation of the first object relative to the second location; and determining a position and/or an orientation of the second object relative to the second location based at least in part on the first data, the second data, and the third data.

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10-02-2022 дата публикации

METHOD AND APPARATUS FOR INTRAOPERATIVE MEASUREMENTS OF ANATOMICAL ORIENTATION

Номер: US20220039877A1
Принадлежит: DePuy Synthes Products, Inc.

Electronic devices that detect their position and/or orientation with respect to earth's frame of reference are described. A coupler can removeably maintain the electronic devices in physical proximity of one another. Each electronic device can have a housing and the coupler can be included on the housing and arranged to physically connect the housing of the electronic device to the housing of at least one other electronic device. Alternatively, the coupler can be a packaging that maintains the electronic devices in physical proximity of one another. Each electronic device can be calibrated using the orientation or position information obtained by other electronic devices maintained by the coupler. Further, each electronic device can include a power source that remains inactive until the device is ready for use. 1. An apparatus comprising:a plurality of electronic devices, each electronic device being configured to detect at least one of an orientation or a position of the electronic device with respect to earth's frame of reference; anda coupler configured to removeably maintain the plurality of electronic devices in physical proximity of one another, the coupler maintaining the plurality of electronic devices in at least one of a similar orientation or a similar position.2. The apparatus of wherein the coupler is configured to maintain each electronic device in an orientation in which the electronic device is expected to detect the orientation or position most accurately.3. The apparatus of wherein each electronic device includes a housing claim 1 , the coupler being included on the housing and configured to physically connect the housing of the electronic device to housing of at least one other electronic device4. The apparatus of wherein the housing includes one or more features for connecting the electronic device to at least one of a location within an operating room claim 3 , a medical instrument in the operating room claim 3 , a location on body of a patient ...

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23-01-2020 дата публикации

Systems and methods for instrument based insertion architectures

Номер: US20200022767A1
Принадлежит: Auris Health Inc

Systems, devices and methods are provided in which an instrument can translate along an insertion axis. Rather than relying primarily on a robotic arm for instrument insertion, the instruments described herein have novel instrument based insertion architectures that allow portions of the instruments themselves to translate along an insertion axis. For example, an instrument can comprise a shaft, an end effector on a distal end of the shaft, and a handle coupled to the shaft. The architecture of the instrument allows the shaft to translate relative to the handle along an axis of insertion. The translation of the shaft does not interfere with other functions of the instrument, such as end effector actuation.

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28-01-2021 дата публикации

SURGICAL INSTRUMENT INCLUDING A PIEZO-ELEMENT FOR ADJUSTING A POSITION OF A MECHANICAL COMPONENT OF THE SURGICAL INSTRUMENT

Номер: US20210022799A1
Принадлежит:

A surgical instrument includes a handle housing, a handle operably coupled to the handle housing, an outer shaft, and an inner shaft. The outer shaft extends distally from the handle housing, and the inner shaft is axially disposed within the outer shaft. At least one of the outer shaft or the inner shaft is selectively movable relative to the other along a longitudinal axis in response to actuation of the handle. A piezoelectric actuator is coupled to the outer shaft or the inner shaft and is configured to adjust an axial position of the outer shaft and/or the inner shaft. 1. A surgical instrument , comprising:a handle housing;a handle operably coupled to the handle housing;an outer shaft extending distally from the handle housing;an inner shaft axially disposed within the outer shaft and including a cam pin mechanically coupled to a distal end portion of the inner shaft, at least one of the outer shaft or the inner shaft being selectively movable relative to the other along a longitudinal axis in response to an actuation of the handle; anda piezoelectric actuator coupled to the outer shaft or the inner shaft, wherein the piezoelectric actuator is configured to adjust a distance between a distal end of the outer shaft and a distal end of the inner shaft.2. The surgical instrument according to claim 1 , wherein the piezoelectric actuator is a programmable piezo-based shim.3. The surgical instrument according to claim 1 , wherein the piezoelectric actuator is disposed between a proximal end of the inner shaft and a portion of the housing claim 1 , such that actuation of the piezoelectric actuator adjusts an axial location of the proximal end of the inner shaft relative to the portion of the housing.4. The surgical instrument according to claim 3 , wherein the proximal end of the inner shaft is fixed to the piezoelectric actuator and the outer shaft is configured to move relative to the inner shaft along the longitudinal axis in response to actuation of the handle.5. ...

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25-01-2018 дата публикации

Laser gauge for robotic calibration and monitoring

Номер: US20180023946A1
Автор: Gibson Elliot
Принадлежит: Think Surgical Inc

A contactless, and accurate device and methods of use thereof are provided to calibrate and verify the calibration of a robotic arm and associated attachments. The device uses a laser gauge for calibrating and subsequently verifying the calibration of the robotic arm, digitizer, or robotic tools. An optical transmitter, in communication with an optical receiver is fixed nearly perpendicular to a second optical transmitter in communication with a second optical receiver that form two optical micrometers that are offset a small distance, forming a small gap, d, to create a measuring void having two distinct non-intersecting measurement planes. One measurement plane measures the position and size of an object in a first axis direction and the other measurement plane measures the position and size of an object in a second axis direction. The position and size of an object is measured within the measuring void in both axial directions.

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02-02-2017 дата публикации

Method and system for planning/guiding alterations to a bone

Номер: US20170027590A1
Принадлежит: Orthosoft ULC

A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. A positioning block is secured to the bone, and is adjustable once the positioning block is secured to the bone to be used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone.

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01-02-2018 дата публикации

RATCHETING FOR MASTER ALIGNMENT OF A TELEOPERATED MINIMALLY INVASIVE SURGICAL INSTRUMENT

Номер: US20180028270A1
Принадлежит: INTUITIVE SURGICAL OPERATIONS, INC.

A minimally-invasive surgical system includes a slave surgical instrument having a slave surgical instrument tip and a master grip. The slave surgical instrument tip has an alignment in a common frame of reference and the master grip, which is coupled to the slave surgical instrument, has an alignment in the common frame of reference. An alignment error, in the common frame of reference, is a difference in alignment between the alignment of the slave surgical instrument tip and the alignment of the master grip. A ratcheting system (i) coupled to the master grip to receive the alignment of the master grip and (ii) coupled to the slave surgical instrument, to control motion of the slave by continuously reducing the alignment error, as the master grip moves, without autonomous motion of the slave surgical instrument tip and without autonomous motion of the master grip. 1. A teleoperated system comprising:a master grip; and 'the controller being configured to introduce a control system error between a slave instrument alignment and a master grip alignment to speed up convergence of alignment between the slave instrument and the master grip relative to convergence of alignment between the slave instrument and the master grip without introduction of the control system error.', 'a controller configured to be coupled to a teleoperated slave instrument, the controller being configured to align the master grip with the slave instrument, wherein the controller being configured to align the master grip with the slave instrument further comprises2. The teleoperated system of claim 1 , wherein the controller being configured to align the master grip with the slave instrument further comprises: the controller being configured to use a new alignment error to control motion of the slave instrument only if the new alignment error is smaller than a current alignment error.3. The teleoperated system of claim 1 , wherein the controller being configured to introduce a control system ...

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31-01-2019 дата публикации

METHODS AND APPARATUS FOR COUPLING A PROSTHESIS TO A SPINAL SEGMENT

Номер: US20190029735A1
Принадлежит: Empirical Spine, Inc.

A method for coupling a prosthesis to a spinal segment in a patient includes the steps of selecting first and second reference points disposed along the spinal segment and pre-operatively measuring a target distance. The target distance extends between the first and second reference points while the patient is in a preferred posture such as the standing position. A prosthesis is coupled to the spinal segment and the prosthesis is then intra-operatively adjusted in order to set the distance between the first and second reference points based on the target distance. 1. A system for restricting flexion of a spinal segment in a spine of a patient , said system comprising:a tether structure adapted to be coupled with the spinal segment or the spine;a first compliance element coupled with the tether structure and configured to elastically elongate as tension is applied through the tether structure; anda first constraining tool releasably coupled with the first compliance element so as to hold the first compliance element in a first desired position and allow a first predetermined amount of elastic elongation of the first compliance element as tension is applied to the first compliance element through the tether structure.2. The system of claim 1 , wherein the first constraining tool comprises a cradle adapted to releasably hold the first compliance element.3. The system of claim 1 , wherein the first constraining tool comprises a plurality of elongate arms claim 1 , the plurality of arms forming a constraint to elongation of the first compliance element.4. The system of claim 1 , wherein the first constraining tool applies a compressive force to the first compliance element.5. The system of claim 1 , wherein the first constraining tool limits extension or elongation of the first compliance element after the first compliance element has extended or elongated by the first pre-determined amount.6. The system of claim 1 , wherein the first constraining tool is adjustable so ...

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04-02-2021 дата публикации

Electromagnetic Coil Apparatuses For Surgical Navigation And Corresponding Methods

Номер: US20210030487A1
Принадлежит:

An electromagnetic device includes a jig and multiple wires. The jig includes a center member and coil-separating blocks. The coil-separating blocks protrude from the center member and are separated from each other to provide a coil channels. Each of the wires is wrapped on the jig, around the center member, and in one of the coil channels to form one of a multiple coils. Each of the coils is configured to connect to an electromagnetic navigation system and generate respective electromagnetic fields to be emitted relative to a subject. 1. A system for generating an electromagnetic filed , comprising: a center member, and', 'a plurality of coil-separating blocks protruding from the center member and are separated from each other to provide a plurality of coil channels; and, 'a jig comprising'}a plurality of wires, wherein each of the plurality of wires is wrapped on the jig, around the center member, and in one of the plurality of coil channels to form one of a plurality of coils, wherein each of the plurality of coils is configured to operate with an electromagnetic navigation system and generate respective electromagnetic fields to be emitted relative to a subject.2. The system of claim 1 , wherein:the plurality of coil channels are orthogonal to each other; andthe coils are orthogonal to each other.3. The system of claim 1 , wherein the center member and the plurality of coil-separating blocks are implemented as a unitary structure.4. The system of claim 1 , wherein:the plurality of coil channels comprise dividers and wire channels; and in one of the wire channels,', 'around the center member, and', 'between two of the dividers or between one of the dividers and one of the coil-separating blocks., 'each of the plurality of wires are wrapped'}5. The system of claim 4 , wherein:the dividers separate sets of windings of one of the plurality of wires; andeach of the sets of windings comprises two or more windings.6. The system of claim 4 , wherein:the plurality of ...

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02-02-2017 дата публикации

Tourniquet With Audio Instructions

Номер: US20170032698A1
Принадлежит: North American Rescue LLC

A tourniquet with audio instructions comprising: a tourniquet with a belt, clip, securing strap, and instruction module; a release switch can be activated when the tourniquet is put in use so that audio instructions are provided to the user for using the tourniquet. The invention can include the instruction module being carried by a holster that also carries the tourniquet. The instruction module can be activated when the tourniquet is removed from the holster, unfolded or manually actuated. The tourniquet can be retained in a holster and the instruction module is activated when the tourniquet is removed from the holster.

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24-02-2022 дата публикации

Robotic surgery systems and surgical guidance methods thereof

Номер: US20220054199A1
Принадлежит: INDIAN INSTITUTE OF TECHNOLOGY MADRAS

The invention in its various embodiments relates to a method of providing surgical guidance and targeting in robotic surgery systems. The method utilizes data from a navigation system in tandem with 2-dimensional (2D) intra-operative imaging data. 2D intra-operative image data is superimposed with a pre-operative 3-dimensional (3D) image and surgery plans made in the pre-operative image coordinate system. The superimposition augments real-time intraoperative navigation for achieving image guided surgery in robotic surgery systems. Also, a robotic surgery system that incorporates the method of providing surgical guidance and targeting is disclosed. The advantages include minimizing radiation exposure to a patient by avoiding intra-operative volumetric imaging, mobility of tools, imager and robot in and out of the operating space without the need for re-calibration, and relaxing the need for repeating precise imaging positions.

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18-02-2021 дата публикации

Closure joint engagement for surgical tool

Номер: US20210045818A1
Принадлежит: Verb Surgical Inc

The disclosed embodiments relate to systems and methods for a surgical tool or a surgical robotic system. A coupling device driven by a plurality of drive disks corresponds to a first motor and a second motor. One or more processors are configured to send a low torque command to a first motor, send the low torque command to a second motor, determine whether the first motor and the second motor meet one or more hold engagement criteria, send a high torque command to the first motor in response to the first motor and the second motor meeting the one or more hold engagement criteria, and send the high torque command to the second motor in response to the first motor and the second motor meeting the one or more hold engagement criteria.

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18-02-2021 дата публикации

Admittance compensation for surgical tool

Номер: US20210045827A1
Принадлежит: Verb Surgical Inc

The disclosed embodiments relate to systems and methods for a surgical tool or a surgical robotic system. An actuator or a motor of a tool driver is configured to operate a joint of a tool. One or more processors are configured to receive an initial joint command for the joint of the tool, determine a joint torque based on motor torque of the motor or actuator as well as motor to joint torque mapping, calculate a tip force based on an effective length associated with the joint and based on the joint torque, compare the tip force to a predetermined threshold, calculate an admittance control compensation term in response to the tip force exceeding the predetermined threshold, and generate a command for the motor or actuator based on the admittance control compensation term and the initial joint command.

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16-02-2017 дата публикации

Suture fixation device and method thereof

Номер: US20170042536A1

A suture fixation device and method thereof is provided. The suture fixation device includes a suture fiber having a length of about 24 to 40 inches and a plurality of knots spaced apart from each other along the length of the suture fiber. Each of the plurality of knots has an overall width of about 3.0 to 4.0 mm.

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06-02-2020 дата публикации

SYSTEMS AND METHODS FOR TRACKER CHARACTERIZATION AND VERIFICATION

Номер: US20200043178A1
Принадлежит:

The present application relates to systems and methods used to characterize or verify the accuracy of a tracker comprising optically detectable features. The tracker may be used in spatial localization using an optical sensor. Characterization results in the calculation of a Tracker Definition that includes geometrical characteristics of the tracker. Verification results in an assessment of accuracy of a tracker against an existing Tracker Definition. 1. A system comprising: receive a first image of a tracker from an optical sensor at a first vantage point and a first inertial measurement from one or more inertial sensors, wherein the one or more inertial sensors are co-registered to the optical sensor and wherein the first image and first inertial measurement are obtained by the respective optical sensor and one or more inertial sensors when the tracker is at a resting position in a field of view of the optical sensor;', 'receive a second image of the tracker from the optical sensor at a second vantage point and a second inertial measurement from the one or more inertial sensors, wherein the second image and second inertial measurement are obtained by the respective optical sensor and one or more inertial sensors when the tracker is at the resting position in a field of view of the optical sensor;', a tracker definition using the first image, the second image and a difference in orientation in at least 2 DOF between the first vantage point and the second vantage point; and', 'a tracker assessment parameter using the first image, the second image, the difference in orientation in at least 2 DOF between the first vantage point and the second vantage point, and a static tracker definition; and, 'calculate at least one of, 'provide one of the tracker definition and the tracker assessment parameter for use in a localization procedure., 'a computer-readable storage device storing instructions and/or data which, when executed on a computing unit, configures the computing ...

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13-02-2020 дата публикации

Surgical instrument with improved stop/start control during a firing motion

Номер: US20200046348A1
Принадлежит: Ethicon LLC

A surgical instrument. The surgical instrument includes an elongated channel, an anvil pivotably connected to the elongated channel, a closure member mechanically coupled to the anvil, an electric motor mechanically coupled to the closure member, a motor controller electrically coupled to the electric motor and a control circuit electrically connected to the motor controller. The control circuit is configured to monitor a first predefined event, monitor a second predefined event, provide a stop signal to the motor controller to stop a closing motion of at least one of the elongated channel and the anvil after an occurrence of the first predefined event, and provide a start signal to the motor controller to start the closing motion of the at least one of the elongated channel and the anvil after an occurrence of a second predefined event.

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13-02-2020 дата публикации

Registration and identification tool and method for a dental and/or cranio-maxillofacial surgical instrument and/or general surgical instrument

Номер: US20200046454A1
Принадлежит: Mininavident AG

A registration and identification tool ( 1 ) for an instrument ( 100 ), comprising a body ( 2 ), a marker member ( 3 ) which is optically detectable and provided on the body ( 2 ), and a recess ( 4 ) in the body ( 2 ) which extends from an outer surface of the body ( 2 ) into the inside of the body ( 2 ), thereby defining an extension direction of the recess ( 4 ), wherein the recess ( 4 ) has a shape such that a lateral extension of the recess ( 4 ) decreases in the direction from the outer surface of the body ( 2 ) towards the inside of the body ( 2 ). A method for registration and identification of an instrument ( 100 ) comprising by placing a surgical tool ( 102 ) of the surgical instrument ( 100 ) into the recess ( 4 ) of the tool ( 1 ), pivoting the surgical instrument ( 100 ) relative to the marker member ( 3 ) while the surgical tool ( 102 ) is placed inside the recess ( 4 ), performing a detecting process of the relative movement of the surgical instrument ( 100 ), and identifying geometrical characteristics of the surgical tool ( 102 ) and/or registering the relative position of the surgical tool ( 102 ) to the remainder of the surgical instrument ( 100 ) using the results of the detecting process.

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22-02-2018 дата публикации

SET OF INSTRUMENTS FOR THE IMPLANTATION OF AN ACETABULAR PROSTHESIS

Номер: US20180049894A1
Принадлежит:

A set of instruments is for implantation of an acetabular prosthesis. The set of instruments may include a tool configured to operate in an acetabular cavity of a patient, a first emitter associated with the tool and configured to emit a control signal to be aligned with a reference signal for identifying a correct orientation of the tool relative to the acetabular cavity, and an acetabular reference guide to be fixed to a bone site of the patient separate from the acetabular cavity. The set of instruments may include a second emitter associated with the acetabular reference guide and configured to emit the reference signal. 1. A set of instruments for implantation of an acetabular prosthesis , the set of instruments comprising:at least one tool configured to operate in an acetabular cavity of a patient;a first emitter associated with said at least one tool and configured to emit a control signal to be aligned with a reference signal for identifying a correct orientation of said at least one tool relative to the acetabular cavity;an acetabular reference guide to be fixed to a bone site of the patient separate from the acetabular cavity; anda second emitter associated with said acetabular reference guide and configured to emit the reference signal.2. The set of instruments according to further comprising:a third emitter configured to emit a calibration signal; andan acetabular calibration guide transitorily associable with the acetabular cavity of the patient according to a desired orientation, said acetabular calibration guide being jointly associable with said third emitter, the calibration signal for identifying the desired orientation of said acetabular calibration guide, said reference signal being able to be calibrated relative to said calibration signal.3. The set of instruments according to wherein said acetabular calibration guide comprises a positioning base configured to mate with the acetabular cavity of the patient.4. The set of instruments according to ...

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04-03-2021 дата публикации

Articulating Including Antagonistic Controls for Articulation and Calibration

Номер: US20210059777A1
Принадлежит: Ethicon LLC

A surgical tool includes a drive housing, a shaft extending from the drive housing, an end effector at an end of the shaft and having opposing jaws and a cutting element, and an articulable wrist configured to rotate the end effector within a plane. The wrist is articulated via antagonistic translation of a pair of drive members. Various systems are provided for homing one or more drive inputs that cause movement in the wrist and/or the end effector, or for controlling articulation of the drive inputs. 1. A surgical tool , comprising:a drive housing;a shaft that extends from the drive housing;a wrist arranged at an end of the shaft; anda linkage assembly actuatable to articulate the wrist in a plane and including:a first drive member extending within the shaft from the drive housing and being operatively connected to the wrist; anda second drive member extending within the shaft from the drive housing and being operatively connected to the wrist,wherein actuation of the first and second drive members in opposite axial directions within the shaft causes the wrist to articulate in the plane.2. The surgical tool of claim 1 , wherein the wrist includes a base and an articulation member that is rotatable relative to the base when acted upon by the first and second drive members.3. The surgical tool of claim 2 , wherein the base includes a pivot shaft that is disposed within an aperture of the articulation member claim 2 , the pivot shaft defining an articulation axis about which the articulation member rotates.4. The surgical tool of claim 2 , wherein the first drive member is coupled to a first drive pin of the articulation member and the second drive member is coupled to a second drive pin of the articulation member.5. The surgical tool of claim 4 , wherein the linkage assembly further includes a distal link that couples distal ends of the first and second drive members at the wrist.6. The surgical tool of claim 5 , wherein the first drive pin of the articulation ...

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20-02-2020 дата публикации

Engagement and/or homing of a surgical tool in a surgical robotic system

Номер: US20200054403A1
Принадлежит: Verb Surgical Inc

Engaging and/or homing is provided for a motor control of a surgical tool in a surgical robotic system. Where two or more motors are to control the same motion, the motors may be used to detect engagement even where no physical stop is provided. The motors operate in opposition to each other or in a way that does not attempt the same motion, resulting in one of the motors acting as a stop for the other motor in engagement. A change in motor operation then indicates the engagement. The known angles of engaged motors and the transmission linking the motor drives to the surgical tool indicate the home or current position of the surgical tool.

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15-05-2014 дата публикации

Embolism Deflector

Номер: US20140135816A1
Принадлежит: ELWHA LLC

Devices, methods, and systems provide an embolism deflecting device, methods for deflecting or diverting emboli away from critical locations in the body, and systems therefor. Embodiments of the embolism deflecting device comprise an embolism detector, a diverter controller operable for determining the presence of emboli from a target input from the embolism detector, and an embolism diverter operable by the diverter controller to deflect, divert, redirect, etc., emboli away from the critical body location on the detection thereof.

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10-03-2016 дата публикации

Circuitry and sensors for powered medical device

Номер: US20160066912A1
Принадлежит: Ethicon Endo Surgery LLC

An end effector is disclosed. The end effector comprises a first jaw member comprising a magnetic sensor; a second jaw member pivotally coupled to the first jaw member such that the first jaw member is pivotally moveable between an open position and a closed position, wherein the second jaw member is configured to receive a staple cartridge therein; a staple cartridge removably coupled to the second jaw member, the staple cartridge further comprising an upper surface facing the first jaw member; and a magnet positioned to be in an opposing relationship to the magnetic sensor when the first jaw member is in the closed position. The magnetic sensor is operable to detect the magnetic field of the magnet, and wherein the detected magnetic field is indicative of the distance between the anvil and the staple cartridge.

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08-03-2018 дата публикации

NEURAL MONITOR-BASED DYNAMIC BOUNDARIES

Номер: US20180064492A1
Принадлежит:

A computer-assisted surgery system may have a robotic arm including a surgical tool and a processor communicatively connected to the robotic aim. The processor may be configured to receive, from a neural monitor, a signal indicative of a distance between the surgical tool and a portion of a patient's anatomy including nervous tissue. The processor may be further configured to generate a command for altering a degree to which the robotic aim resists movement based on the signal received from the neural monitor; and send the command to the robotic arm. 125-. (canceled)26. A computer-implemented method for controlling a surgical system , the method comprising:generating a virtual boundary associated with an anatomy of a patient, based upon a surgical plan;receiving, from a neural monitor, a signal indicative of a distance between a surgical tool connected to a robotic device and a portion of a patient's anatomy;determining a neural monitor gain based on the signal received from the neural monitor;generating a first force value based on the neural monitor gain; andgenerating a robotic control based upon the first force value and a relationship between the surgical tool and the virtual boundary.27. The computer-implemented method of claim 26 , wherein the virtual boundary defines a volume associated with a sensitive portion of the patient's anatomy.28. The computer-implemented method of claim 27 , wherein the virtual boundary is configured to generate feedback forces that prevent movement of the surgical tool from crossing the virtual boundary associated with the sensitive portion of the patient's anatomy.29. The computer-implemented method of claim 26 , wherein generating the first force value further comprises:receiving a joint angular velocity of one or more joints of a robotic arm of the robotic device and generating the first force value proportional to the neural monitor gain and the joint angular velocity of one or more joints of the robotic arm.30. The computer- ...

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08-03-2018 дата публикации

Systems and Methods for a Dual-Control Surgical Instrument

Номер: US20180064493A1
Принадлежит:

A method comprises receiving a surgical instrument into engagement with a grip actuator of a teleoperational activation system. The surgical instrument includes movable jaws, and the surgical instrument is received in a prearranged gripping configuration with the jaws gripping a surgical accessory. The method includes generating a first control signal for manipulating the surgical instrument while maintaining the surgical instrument in the prearranged gripping configuration. The method further includes generating a second control signal for manipulating the surgical instrument to move from the prearranged gripping configuration to a second configuration. 1. A method comprising:receiving a surgical instrument into engagement with a grip actuator of a teleoperational activation system, wherein the surgical instrument includes movable jaws and wherein the surgical instrument is received in a prearranged gripping configuration with the jaws gripping a surgical accessory;generating a first control signal for manipulating the surgical instrument while maintaining the surgical instrument in the prearranged gripping configuration; andgenerating a second control signal for manipulating the surgical instrument to move from the prearranged gripping configuration to a second configuration.2. The method of wherein the prearranged gripping configuration is a closed gripping configuration of the jaws.3. The method of wherein the prearranged gripping configuration is an open gripping configuration of the jaws.4. The method of wherein maintaining the surgical instrument in the prearranged gripping configuration includes engaging a lever of the surgical instrument with the grip actuator.5. The method of wherein moving from the surgical instrument from the prearranged gripping configuration to the second configuration includes moving the lever with the grip actuator.6. The method of wherein moving the surgical instrument from the prearranged gripping configuration to the second ...

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07-03-2019 дата публикации

BONE AND TOOL TRACKING WITH MEMS IN COMPUTER-ASSISTED SURGERY

Номер: US20190069907A1
Принадлежит:

A method tracks a tool with respect to a bone in computer-assisted surgery. A reference tracker with a MEMS unit is secured to the bone. The tracker outputs data relating to its orientation. A tool provided with a MEMS unit and secured to the bone is preset with an initial orientation. The tool outputs tracking data related to orientation of the tool once initialized. A trackable frame of reference relating the bone to the orientation of the tracker is created. The MEMS unit of the tool is initialized. A relation between the initial orientation of the tool and the orientation of the tracker at initialization of the MEMS unit of the tool is recorded. Orientational data of the tool relative to the frame of reference of the bone calculated using the relation is displayed. A computer-assisted surgery system for tracking a tool with respect to a bone after an initialization of a MEMS unit is also described. 1. A method for tracking a tool with respect to a bone in computer-assisted surgery , comprising:securing a reference tracker with a MEMS unit to the bone, the reference tracker outputting tracking data relating to an orientation of the reference tracker;providing a tool with a MEMS unit, the tool being preset with an initial orientation and outputting tracking data related to an orientation of the tool once initialized;securing the tool to the bone;creating a trackable frame of reference relating the bone to the orientation of the reference tracker;initializing the MEMS unit of the tool;recording a relation between the initial orientation of the tool and the orientation of the reference tracker at initialization of the MEMS unit of the tool; anddisplaying orientational data of the tool relative to the frame of reference of the bone calculated using the relation.2. The method according to claim 1 , wherein providing the tool comprises providing a cutting block secured to the bone by an orientation adjustment mechanism allowing the adjustment of the orientation of the ...

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18-03-2021 дата публикации

RATCHETING FOR MASTER ALIGNMENT OF A TELEOPERATED MINIMALLY-INVASIVE SURGICAL INSTRUMENT

Номер: US20210077210A1
Принадлежит:

A teleoperated system includes a master grip and a ratcheting system coupled to the master grip. The ratcheting system is configured to align the master grip with a slave instrument commanded by the master grip by determining grip rotation values describing an orientation of the master grip, determining instrument rotation values describing an orientation of the instrument, determining an orientation error between an orientation of the master grip and the orientation of the instrument based on the grip rotation values and the instrument rotation values, and reducing the orientation error by low pass filtering the grip rotation values or the instrument rotation values. 1. A teleoperated system comprising:a master grip; and determining grip rotation values describing an orientation of the master grip;', 'determining instrument rotation values describing an orientation of the instrument;', 'determining an orientation error between an orientation of the master grip and the orientation of the instrument based on the grip rotation values and the instrument rotation values; and', 'reducing the orientation error by low pass filtering the grip rotation values or the instrument rotation values., 'a ratcheting system coupled to the master grip, the ratcheting system configured to align the master grip with an instrument commanded by the master grip by2. The teleoperated system of claim 1 , wherein:the grip rotation values comprise a grip rotation matrix; andthe instrument rotation values comprise an instrument rotation matrix.3. The teleoperated system of claim 1 , wherein the orientation of the instrument is an orientation of a tip of the instrument.4. The teleoperated system of claim 1 , wherein the ratcheting system determines a cutoff frequency for the low pass filtering based on the orientation error.5. The teleoperated system of claim 1 , wherein the ratcheting system determines a cutoff frequency for the low pass filtering of the grip rotation values according to a ...

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22-03-2018 дата публикации

SYSTEMS, METHODS AND DEVICES FOR TRACKING AND CALIBRATION OF FLEXIBLE INSTRUMENTS

Номер: US20180078317A1
Принадлежит:

Systems, methods and devices are provided for calibrating a flexible implement that employs fiber Bragg gratings (FBGs) for shape sensing. In some embodiments, methods and devices are provided for determining the longitudinal location of a FBG within an optical fiber that is employed for shape sensing. In other embodiments, methods and devices are employed for the determination of calibration parameters that relate the measured wavelength shift of a set of FBGs to the curvature at the location within the flexible implement where the set of FBGs resides. Various calibration devices are disclosed that employ guiding features for bending the flexible portion of the flexible implement along known curved profiles. In some embodiments, keyed features are incorporated into the flexible implement and the calibration device, such that the flexible implement is inserted into the device in a known orientation. In some embodiments, the flexible implement may incorporate a strain isolation mechanism. 1. A method of determining a longitudinal location of a fiber Bragg grating within an optical fiber , wherein the optical fiber is attached to or housed within an elongate flexible implement , the method comprising:recording an initial reflected optical wavelength of the fiber Bragg grating in the absence of bending of the elongate flexible implement;bending the elongate flexible implement according to a first known curved profile and recording a first reflected optical wavelength shift of the fiber Bragg grating;bending the elongate flexible implement according to a second known curved profile and recording a second reflected optical wavelength shift of the fiber Bragg grating, wherein the first known curved profile and the second known curved profile are configured to bend the elongate flexible implement along a common direction; anddetermining, as the longitudinal location of the fiber Bragg grating, a longitudinal distance for which a ratio of the curvature of the first known ...

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22-03-2018 дата публикации

Systems and Methods of Registration Compensation in Image Guided Surgery

Номер: US20180078318A1
Принадлежит: Intuitive Surgical Operations Inc

A method performed by a computing system comprises receiving shape information for an elongate flexible portion of a medical instrument. The medical instrument includes a reference portion movably coupled to a fixture having a known pose in a surgical reference frame. The fixture includes a constraint structure having a known constraint structure location in the surgical reference frame. The elongate flexible portion is coupled to the reference portion and is sized to pass through the constraint structure. The method further includes receiving reference portion position information in the surgical reference frame; determining an estimated constraint structure location in the surgical reference frame from the reference portion position information and the shape information; determining a correction factor by comparing the estimated constraint structure location to the known constraint structure location; and modifying the shape information based upon the correction factor.

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26-03-2015 дата публикации

CONTROL DEVICE AND TEST METHOD

Номер: US20150084641A1
Принадлежит:

A control device is connectable to a surgical instrument, and controls the surgical instrument. When the surgical instrument is connected, the control device determines the quality of the surgical instrument by performing a plurality of different tests. 1. A control device that is connectable to a surgical instrument and controls the surgical instrument ,wherein, when the surgical instrument is connected, a quality of the surgical instrument is determined by performing a plurality of different tests.2. The control device according to claim 1 , a test unit that applies a voltage to the surgical instrument, and', 'an identification unit that identifies the identifier, and, 'wherein the surgical instrument has an identifier, the control device includes'}the test unit changes the voltage according to the identifier.3. The control device according to claim 1 ,wherein the surgical instrument has an identifier, a first test unit that applies a first voltage to the surgical instrument,', 'an identification unit that identifies the identifier, and', 'a second test unit that applies a second voltage higher than the first voltage to the surgical instrument, and, 'the control device includes'}the second test unit operates after operations of the first test unit and the identification unit.4. A control device that is connectable to a liquid ejection mechanism having an identifier and outputs a control signal for controlling the liquid ejection mechanism claim 1 , comprising:a first test unit that applies a first voltage to the liquid ejection mechanism;an identification unit that identifies the identifier; anda second test unit that applies a second voltage higher than the first voltage to the liquid ejection mechanism,wherein the second test unit operates after operations of the first test unit and the identification unit.5. The control device according to claim 4 ,wherein the liquid ejection mechanism is connectable, andthe identification unit operates when the liquid ejection ...

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29-03-2018 дата публикации

Set of instruments for the implantation of an acetabular prosthesis

Номер: US20180085231A1
Принадлежит: Medacta International SA

A method is for implantation of an acetabular prosthesis. The method may include positioning an acetabular calibration guide at an acetabular cavity of a patient, and positioning an acetabular reference guide at a bone site of the patient separate from the acetabular cavity. The method may include aligning a calibration signal and a reference signal, the calibration and reference signals being respectively associated with the acetabular calibration guide and the acetabular reference guide. The method may include removing the acetabular calibration guide and positioning a tool at the acetabular cavity of the patient, and aligning a control signal and the reference signal for identifying a desired orientation of the tool relative to the acetabular cavity, the control signal being associated with the tool.

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19-03-2020 дата публикации

Local display of tissue parameter stabilization

Номер: US20200085431A1
Принадлежит: Ethicon LLC

A staple cartridge for use with a surgical stapler and surgical stapling systems are disclosed. The staple cartridge comprises a cartridge body having a tissue-contacting surface. One or more light emitting diodes (LEDs) are positioned at the edges of the tissue-contacting surface. A plurality of staple drivers is located within the cartridge body each supporting a staple.

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05-05-2022 дата публикации

Method and system for planning/guiding alterations to a bone

Номер: US20220133333A1
Принадлежит: Orthosoft ULC

A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. A positioning block is secured to the bone, and is adjustable once the positioning block is secured to the bone to be used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone.

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05-05-2022 дата публикации

Method for Determining Target Spot Path

Номер: US20220133409A1

The present disclosure relates to a method for determining a target spot path, which is applied to a determining system including a shooting device and a locating device that are separate from each other, and a calibration device connected to the shooting device, the method comprising: S 1 . obtaining a three-dimensional partial image for an affected part and a virtual path located in the three-dimensional partial image; S 2 . matching a simulated two-dimensional image obtained based on projection of the three-dimensional partial image with a two-dimensional projection image obtained based on the affected part; S 3 . determining a surgical guide path on the two-dimensional projection image that corresponds to the virtual path according to position information of the virtual path on the simulated two-dimensional image, when the simulated two-dimensional image and the two-dimensional projection image are matched; and/or S 4.

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19-03-2020 дата публикации

MASTER-TO-SLAVE ORIENTATION MAPPING WHEN MISALIGNED

Номер: US20200085522A1
Автор: Liao Hsien-Hsin
Принадлежит:

A system includes a master manipulator and a controller. The controller determines, before the system enters a following mode, a relative orientation between an orientations of an axis of the master manipulator in an eye frame and a corresponding axis of a slave instrument tip in a camera frame. After the system enters the following mode, the controller determines whether an orientation misalignment between the orientations of the axis of the master manipulator and the corresponding axis of the slave instrument tip is less than or equal to a maximum permitted orientation error. When the orientation misalignment is less than or equal to the maximum permitted orientation error, the controller receives a command indicating a desired orientation of the slave instrument tip from the master manipulator and commands the system to orient the slave instrument tip based on the desired orientation of the slave instrument tip and the relative orientation. 1. A system comprising:a master tool manipulator; determine, before the system enters a following mode, a relative orientation between an orientation of an axis of the master tool manipulator in an eye frame and an orientation of a corresponding axis of a slave instrument tip in a camera frame;', 'after the system enters the following mode, determine whether an orientation misalignment between the orientation of the axis of the master tool manipulator and the orientation of the corresponding axis of the slave instrument tip is less than or equal to a maximum permitted orientation error:', receive a command from the master tool manipulator to move the slave instrument tip, the command indicating a desired orientation of the slave instrument tip;', 'generate a new slave orientation based on the desired orientation of the slave instrument tip and the relative orientation; and', 'command the system to orient the slave instrument tip based on the new slave orientation., 'in response to the determination that the orientation ...

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12-05-2022 дата публикации

SYSTEMS AND METHODS FOR SURGICAL NAVIGATION WITH A TRACKER INSTRUMENT

Номер: US20220142720A1
Принадлежит:

There is provided a surgical instrument for navigated surgeries and systems and methods using such a surgical instrument. The surgical tool comprises a tip; a tool interface, separate from the tip; and an optically trackable target. The tip is configured to probe positions in a space and identify the positions using optical information from the optically trackable target. The tool interface is configured to mate with a surgical tool such that the optical trackable target then provides optical information with which to determine positional information for the surgical tool in the space. In one example, the system provides navigational information during surgery using the surgical instrument, namely, a single integrated tracker instrument with two or more mechanical interfaces for coupling the tracker instrument with anatomical features and/or surgical tools. 1. A surgical instrument comprising:a probe tip for probing positions in a space;a tool interface, separate from the tip; andan optically trackable target;wherein the optically trackable target is configured to provide optical information with which to determine the positions; andwherein the tool interface is configured to mate with a surgical tool such that the optical trackable target then provides optical information with which to determine positional information for the surgical tool in the space.2. The surgical instrument of claim 1 , wherein the tip and the tool interface are located at opposite ends of the instrument.3. The surgical instrument of claim 2 , wherein the optically trackable target is located between the opposite ends.4. The surgical instrument of claim 2 , wherein:the instrument defines a rigid body between the opposite ends; andthe probe tip is positioned at one of the opposite ends, along a longitudinal axis of the rigid body, extended away from the tool interface.5. The surgical instrument of claim 4 , wherein the rigid body comprises a rigid rod claim 4 , the probe tip located at a free ...

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12-04-2018 дата публикации

HEART VALVE SIZING RING AND METHOD

Номер: US20180098853A1
Автор: Dobrilovic Nikola
Принадлежит:

A device for measuring heart valve for sizing a heart valve reinforcement ring, includes a handle having a first shaft and a second shaft; an inner ring coupled to the first shaft; an outer ring coupled to the second shaft; and a trigger mechanism configured and arranged to force the inner ring and outer ring together wherein an outer surface of the inner ring engages an inner surface of the outer ring; the inner surface of the outer ring and the outer surface of the inner ring having reciprocal mating surfaces configured and arranged to grip sutures therebetween when coupled together. 1. A device for measuring heart valve for sizing a heart valve reinforcement ring , comprising:a handle having a first shaft and a second shaft;an inner ring coupled to the first shaft;an outer ring coupled to the second shaft; anda trigger mechanism configured and arranged to force the inner ring and outer ring together wherein an outer surface of the inner ring engages an inner surface of the outer ring;the inner surface of the outer ring and the outer surface of the inner ring having reciprocal mating surfaces configured and arranged to grip sutures therebetween when coupled together.2. The device of claim 1 , wherein the outer ring further comprises a defect forming a break in the outer ring.3. The device of claim 1 , wherein the inner surface of the outer ring is concave claim 1 , and the outer surface of the inner ring is convex.4. The device of claim 1 , wherein the handle is flexible.5. The device of claim 1 , wherein the handle is bendable.6. The device of claim 1 , wherein the handle is detachable.7. The device of claim 1 , wherein the trigger mechanism is configured and arranged to move the first shaft and inner ring into coupled relation with the outer ring.8. The device of claim 7 , wherein the trigger mechanism is configured and arranged to push the first shaft and inner ring into coupled relation with the outer ring.9. The device of claim 1 , wherein the second shaft is ...

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08-04-2021 дата публикации

CATHETER BALLOON FOR REDUCING TOTAL CARDIAC BURDEN

Номер: US20210100559A1
Принадлежит:

An embodiment provides a method for normalizing cardiac venous return, including: inserting percutaneously a calibrated balloon catheter through a femoral vein; advancing the calibrated balloon catheter to the inferior vena cava; and placing a balloon portion of the calibrated balloon catheter at a location before the drainage point of the hepatic vein. Other aspects are described and claimed. 1. A method for normalizing cardiac venous return , comprising:inserting percutaneously a calibrated balloon catheter through a femoral vein;advancing the calibrated balloon catheter to the inferior vena cava; andplacing a balloon portion of the calibrated balloon catheter at a location before the drainage point of the hepatic vein.2. The method of claim 1 , wherein the calibrated balloon catheter further comprises a two-way catheter located between the calibrated balloon catheter and a point of insertion.3. The method of claim 1 , wherein the calibrated balloon catheter is calibrated to a degree of collapse during inspiration of a patient inferior vena cava.4. The method of claim 1 , wherein the balloon portion of the calibrated balloon catheter intermittently occludes the inferior vena cava during an inspiration phase of patient breathing.5. The method of claim 1 , wherein the balloon portion of the calibrated balloon catheter allows blood flow through the inferior vena cava during an expiration phase of patient breathing.6. The method of claim 1 , wherein the calibrated balloon catheter is filled with saline.7. The method of claim 1 , wherein the balloon portion of the calibrated balloon catheter comprises a plurality of grooves oriented lengthwise on the outer surface.8. The method of claim 1 , wherein the balloon portion of the calibrated balloon catheter free-floats in the inferior vena cava without an active fixation point between the balloon portion of the calibrated balloon catheter and an inner lumen of the inferior vena cava.9. The method of claim 1 , wherein the ...

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08-04-2021 дата публикации

CALIBRATED POWER-DRIVEN SURGICAL CUTTING DEVICE

Номер: US20210100582A1
Принадлежит:

Devices for removing implanted objects from body vessels are provided. A device includes a sheath assembly having a cutting tip. The cutting tip includes a cutting surface that is adapted to cut tissue coupled to an implanted object as the cutting tip rotates. The sheath assembly further includes an outer shield carried outside of the cutting tip. The outer shield includes a distal opening, and the outer shield is translatable relative to the cutting tip from a first position to a second position and vice versa. In the first position the cutting surface of the cutting tip is disposed within the outer shield, and in the second position the cutting tip extends through the distal opening and the cutting surface is at least partially disposed outside of the outer shield. 1. A device for removing an implanted object from a body vessel , the device comprising:an outer sheath;an inner sheath disposed within the outer sheath, the inner sheath comprising a cutting tip having a cutting surface;a cutting tip drive mechanism comprising a motor configured to rotate the cutting tip, wherein upon actuation of the motor, the cutting tip rotates and translates longitudinally;a sensor, wherein the sensor provides a position signal indicative of a home position for the cutting tip drive mechanism; anda controller comprising non-transitory computer-readable medium containing instructions that, when executed, actuate the motor and calibrate a position of the motor based at least in part on the position signal received from the sensor while the motor is actuated.2. The device of claim 1 , wherein the instructions cause the controller to rotate the motor in a first direction until the position signal indicating the home position for the cutting tip drive mechanism is received.3. The device of claim 2 , wherein the instructions further cause the controller to rotate the motor in a second direction opposite the first direction until the position signal indicating the home position for the ...

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02-04-2020 дата публикации

Surgical position calibration method

Номер: US20200100756A1
Автор: Min-Liang Wang

A surgical position calibration method for getting the augmented and mixed reality of a surgical instrument includes the following steps: placing a calibration plate under a C-ARM to take C-ARM images, with the calibration plate provided with geometric patterns; inputting the C-ARM images into a computer to make 2D image maps; finding the center point of each geometric pattern on the calibration plate; defining a first reference calibration point; finding the distance between the center point of each other geometric pattern and the first reference calibration point to set up a translation matrix formula to form a 3D space image map; placing a surgical instrument at any position above the calibration plate; using the translation matrix formula generating a spatial variation image for the displacement of the surgical instrument; and forming a new spatial variation image.

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11-04-2019 дата публикации

Device and Methods of Needle Calibration

Номер: US20190105123A1
Автор: Sergey Kunkov
Принадлежит: Em Device Lab Inc

In some embodiments, a device may include a tube having substantially cylindrical body defining an enclosure and having an open end. The tube may include measurement units printed along at least one side. The device may further include a stopper element releasably coupled to the open end of the cylindrical body and configured to selectively engage a needle to mark a length of the needle.

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11-04-2019 дата публикации

SURGICAL ROBOTIC ARM ADMITTANCE CONTROL

Номер: US20190105785A1
Принадлежит:

Certain aspects relate to systems and techniques for surgical robotic arm admittance control. In one aspect, there is provided a system including a robotic arm and a processor. The processor may be configured to determine a force at a reference point on the robotic arm based on an output of a torque sensor and receive an indication of a direction of movement of the reference point. The processor may also determine that a component of the force is in the same direction as the direction of movement of the reference point, generate at least one parameter indicative of a target resistance to movement of the robotic arm, and control the motor, based on the at least one parameter, to move the robotic arm in accordance with the target resistance. 1. A system , comprising: at least two linkages,', 'at least one joint connecting the at least two linkages, and', 'at least one sensor configured to output data indicative of a force at a reference point on the robotic arm;, 'a robotic arm comprisinga processor; and receive an indication of a direction of movement of the reference point,', 'determine a direction of the force at the reference point based on the data received from the at least one sensor,', 'determine an intent of a user manually moving the robotic arm based on a comparison of the direction of movement of the reference point and the direction of the force at the reference point, and', 'drive movement of the robotic arm based on the determined intent., 'a memory storing computer-executable instructions to cause the processor to2. The system of claim 1 , wherein:the robotic arm further comprises at least one motor configured to adjust the position of the at least two linkages, andthe driving of the movement of the robotic arm is based on controlling the at least one motor to move the robotic arm in accordance with the determined intent.3. The system of claim 1 , wherein the computer-executable instructions that cause the processor to determine the intent of the user ...

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27-04-2017 дата публикации

METHODS AND APPARATUS FOR COUPLING A PROSTHESIS TO A SPINAL SEGMENT

Номер: US20170112548A1
Принадлежит:

A method for coupling a prosthesis to a spinal segment in a patient includes the steps of selecting first and second reference points disposed along the spinal segment and pre-operatively measuring a target distance. The target distance extends between the first and second reference points while the patient is in a preferred posture such as the standing position. A prosthesis is coupled to the spinal segment and the prosthesis is then intra-operatively adjusted in order to set the distance between the first and second reference points based on the target distance. 1. A system for restricting flexion of a spinal segment in a patient , said system comprising:a tether structure comprising one or more straps adapted to be coupled with a superior spinous process and an inferior spinous process or sacrum;a first compliance element coupled with the tether structure and configured to elastically elongate as tension is applied through the tether structure; anda first constraining tool releasably coupled with the compliance element so as to hold the compliance element in a first desired position and allow a first predetermined amount of elastic elongation of the first compliance element as tension is applied to the first compliance element though the tether structure.2. A system as in claim 1 , wherein the tether structure is substantially non-distensible.3. A system as in claim 1 , wherein the first constraining tool comprises an elongate shaft.4. A system as in claim 1 , wherein the first constraining tool comprises a cradle adapted to releasably hold the first compliance element.5. A system as in claim 1 , wherein the first constraining tool comprises a plurality of elongate arms claim 1 , the plurality of arms forming a constraint to elongation of the compliance element.6. A system as in claim 1 , wherein the first tool holds the first compliance element in a desired tension.7. A system as in claim 1 , wherein the first constraining tool applies a compressive force to the ...

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25-08-2022 дата публикации

Multifunctional left atrial appendage (laa) occluder

Номер: US20220265280A1
Принадлежит: Conformal Medical Inc

Devices and methods for occluding the left atrial appendage (LAA) with a device having multifunctional capability. The device is delivered via transcatheter delivery into the LAA and anchored using a compliant frame and scaffold, which may be foam. The device further includes one or more electronic systems to provide a multitude of features related to sensing, electrical stimulation, pacing, communication, etc. The device may have an open configuration where an opening in the proximal end of the device allows for delivery of one or more sensors into and/or through the device. The device may be manipulated into a closed configuration to secure the electronic systems therein and close off the proximal end to provide the occlusive effects. The electronic systems therein may then be used for the various electronic and other functions.

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25-08-2022 дата публикации

SYSTEMS AND METHODS FOR SURGICAL NAVIGATION WITH A TRACKER INSTRUMENT

Номер: US20220265367A1
Принадлежит:

There is provided a surgical instrument for navigated surgeries and systems and methods using such a surgical instrument. The surgical tool comprises a tip; a tool interface, separate from the tip; and an optically trackable target. The tip is configured to probe positions in a space and identify the positions using optical information from the optically trackable target. The tool interface is configured to mate with a surgical tool such that the optical trackable target then provides optical information with which to determine positional information for the surgical tool in the space. In one example, the system provides navigational information during surgery using the surgical instrument, namely, a single integrated tracker instrument with two or more mechanical interfaces for coupling the tracker instrument with anatomical features and/or surgical tools. 1. A surgical instrument comprising:a probe tip for probing positions in a space;a tool interface, separate from the tip; andan optically trackable target;wherein the optically trackable target is configured to provide optical information with which to determine the positions; andwherein the tool interface is configured to mate with a surgical tool such that the optical trackable target then provides optical information with which to determine positional information for the surgical tool in the space.2. The surgical instrument of claim 1 , wherein the tip and the tool interface are located at opposite ends of the instrument.3. The surgical instrument of claim 2 , wherein the optically trackable target is located between the opposite ends.4. The surgical instrument of claim 2 , wherein:the instrument defines a rigid body between the opposite ends; andthe probe tip is positioned at one of the opposite ends, along a longitudinal axis of the rigid body, extended away from the tool interface.5. The surgical instrument of claim 4 , wherein the rigid body comprises a rigid rod claim 4 , the probe tip located at a free ...

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16-04-2020 дата публикации

TISSUE SPECIMEN REMOVAL DEVICE, SYSTEM AND METHOD

Номер: US20200113556A1
Принадлежит:

A method and device for detecting leaks of a containment barrier. The method may comprise placing the barrier in contact with one or more volumes of fluid such that the one or more volumes of fluid is in contact with a first surface and a second surface of the containment barrier, then placing a first electrode in contact with a first volume of fluid within in a first area defined by the first surface of the containment barrier. The method may then comprise placing a second electrode in contact with a second volume of fluid in a second area defined by the second surface of the containment barrier, measuring electrical conductivity between the first and second electrodes; and determining a presence of a leak in the containment barrier based on a calculation using properties of the one or more volumes of fluid, the containment barrier, and the measured electrical conductivity. 1. A method for detecting leaks of a containment barrier , the method comprising:placing the barrier in contact with one or more volumes of fluid such that the one or more volumes of fluid is in contact with a first surface and a second surface of the containment barrier;placing a first electrode in contact with a first volume of fluid within in a first area defined by the first surface of the containment barrier;placing a second electrode in contact with a second volume of fluid in a second area defined by the second surface of the containment barrier;measuring electrical conductivity between the first and second electrodes; anddetermining a presence of a leak in the containment barrier based on a calculation using properties of the one or more volumes of fluid, the containment barrier, and the measured electrical conductivity.2. The method of claim 1 , wherein the second electrode is an outer container within which the containment barrier and the one or more volumes of fluid are placed.3. The method of claim 1 , wherein the one or more volumes of fluid is one of an ionized fluid or an ...

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27-05-2021 дата публикации

Osteotomy calibration method, calibration tools and orthopedic surgery system

Номер: US20210153951A1
Принадлежит: Suzhou Microport Orthobot Co Ltd

An osteotomy calibration method, calibration tools, a readable storage medium, and an orthopedic surgery system are provided. Firstly using the plane calibration tool to obtain the calculated position information of the current osteotomy plane, and then determining a position error between the calculated position information and a predetermined position information of a planned osteotomy plane, and if the position error exceeds a preset value, calculating and transmitting a relocation information to a robotic arm to control and relocate the robotic arm. By comparing and identifying the position error between the current osteotomy plane formed by the first osteotomy and the planned predetermined osteotomy plane, relocating the robotic arm, and performing a secondary correction of the osteotomy plane. In addition, by relocating the robotic arm and secondary correction of the osteotomy plane, additional bone nails which is to fix the navigation tool to the bone can be avoided.

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10-05-2018 дата публикации

REMOVABLE BATTERY CASING FOR SURGICAL INSTRUMENT

Номер: US20180125523A1
Автор: Johnson Gregory W.
Принадлежит:

A surgical instrument includes a body, a grip, and a strip assembly. The strip assembly releasably couples the grip with the body. The grip is movable from a first position to a second position. The grip is coupled with the body in the first position and detached from at least a portion of the body in the second position. At least a portion of the strip assembly detaches from at least a portion of the grip, the body, or another portion of the strip assembly when the grip is in the second position. 120.-. (canceled)21. A surgical instrument comprising:(a) an end effector operable to manipulate tissue;(b) a body, wherein the end effector is positioned distal to the body;(c) a grip, wherein the grip is configured to be grasped by a user's hand; and (i) a first strip securely attached to the body; and', '(ii) a second strip securely attached to the grip;, '(d) a strip assembly, wherein the strip assembly is configured to releasably couple the grip with the body, wherein the strip assembly compriseswherein the grip is movable from a first position to a second position, wherein the grip is coupled with the body in the first position, wherein the grip is configured to be detached from the body in the second position; andwherein the first strip is operable to releasably couple with the second strip to thereby couple the body to the grip, wherein at least a portion of the first strip is configured to detach from at least a portion of the second strip when the grip is in the second position.22. The surgical instrument of claim 21 , wherein the first strip comprises at least one tab claim 21 , wherein the at least one tab is configured to engage the second strip when the grip is in the first position.23. The instrument of claim 22 , wherein the at least one tab comprises a protrusion.24. The instrument of claim 23 , wherein the second grip defines an opening claim 23 , wherein the opening is configured to receive the protrusion of the at least one tab.25. The instrument of ...

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10-05-2018 дата публикации

MEASUREMENT AND CONTROL SYSTEMS AND METHODS FOR ELECTROSURGICAL PROCEDURES

Номер: US20180125563A1
Автор: BEHNKE ROBERT
Принадлежит:

An energy delivery system for use in performing a medical procedure is provided. The medical procedure can employ an energy source, the energy source can be connected to an energy delivering device via a transmission line. The energy delivery system can include a measurement system, the measurement system can be configured to sample an output signal generated by the energy source. The energy delivery system includes a control system, which includes a calibration unit. The calibration unit can be configured to generate a calibration signal. The calibration signal can have a magnitude and phase, wherein the magnitude and phase is representative of the output signal and the transmission line loss information. The energy delivery system can also include a control unit, the control unit being configured to receive the calibration signal and adjust the energy source as needed. 114-. (canceled)15. A measurement and control system for use in performing a medical procedure , employing an energy source , the measurement and control system comprising:a measurement system, including a directional coupler configured to sample an output signal generated by the energy source, the output signal having a magnitude and phase; and a calibration unit configured to receive and store loss information for a transmission line, the calibration unit further configured to generate a calibration signal having a magnitude and phase that are representative of the output signal of the measurement system and of the loss information for the transmission line; and', 'a control unit configured to receive the calibration signal and adjust the energy source in response to a value of the calibration signal., 'a control system operatively connected to the measurement system and including16. The measurement and control system according to claim 15 , wherein the transmission line is a coaxial cable.17. The measurement and control system according to claim 15 , wherein the loss information of the ...

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01-09-2022 дата публикации

Adjustment to transfer parameters to improve available power

Номер: US20220273300A1
Принадлежит: Cilag GmbH International

Disclosed is a surgical instrument, comprising an end effector configured to grasp tissue. The end effector comprises a jaw, and a staple cartridge seatable in the jaw, wherein the staple cartridge comprises a sensor array. The surgical instrument further comprises a power source configured to supply power to the staple cartridge, and a transmission system. The transmission system is configured to wirelessly transmit the power from the surgical instrument to the staple cartridge, monitor an efficiency of a transfer of the power from the surgical instrument to the staple cartridge, and adjust a transfer parameter based on the efficiency of the transfer.

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01-09-2022 дата публикации

MONITORING OF MANUFACTURING LIFE-CYCLE

Номер: US20220273301A1
Принадлежит:

Disclosed is a surgical end effector for use with a surgical instrument. The surgical end effector comprises a jaw, and a staple cartridge seatable in the jaw. The staple cartridge comprises a sensor array configured to take measurements corresponding to a parameter associated with a function of the surgical instrument, a processor, and a memory storing program instructions. The memory storing program instructions that, when executed by the processor, cause the processor to perform an initial calibration of the sensor array, determine an initial adjustment to the measurements based on the initial calibration, perform an in-use calibration of the sensor array, and modify the initial adjustment based on the in-use calibration. 1. A surgical end effector for use with a surgical instrument , the surgical end effector comprising:a jaw; and a sensor array configured to take measurements corresponding to a parameter associated with a function of the surgical instrument;', 'a processor; and', perform an initial calibration of the sensor array;', 'determine an initial adjustment to the measurements based on the initial calibration;', 'perform an in-use calibration of the sensor array; and', 'modify the initial adjustment based on the in-use calibration., 'a memory storing program instructions that, when executed by the processor, cause the processor to], 'a staple cartridge seatable in the jaw, wherein the staple cartridge comprises2. The surgical end effector of claim 1 , wherein the program instructions further cause the processor to store the initial adjustment in the memory.3. The surgical end effector of claim 1 , wherein performing the in-use calibration comprises identifying a conversion factor claim 1 , and wherein modifying the initial adjustment is based on the conversion factor.4. The surgical end effector of claim 3 , wherein the conversion factor is a shelf-life conversion factor.5. The surgical end effector of claim 1 , wherein the parameter is a tissue ...

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01-09-2022 дата публикации

Method of powering and communicating with a staple cartridge

Номер: US20220273307A1
Принадлежит: Cilag GmbH International

A method for sensing tissue data and managing processing power is disclosed.

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02-05-2019 дата публикации

Method of hub communication with surgical instrument systems

Номер: US20190125454A1
Принадлежит: Ethicon LLC

A method for adjusting the operation of a clip applier using machine learning in a surgical suite is disclosed. The method comprises gathering data during surgical procedures, wherein the surgical procedures include the use of a clip applier comprising a crimping drive configured to be mechanically advanced through a crimping stroke. The method further comprises analyzing the gathered data to determine an appropriate operational adjustment of the clip applier and adjusting the operation of the clip applier to improve the operation of the clip applier.

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02-05-2019 дата публикации

Method for communicating with surgical instrument systems

Номер: US20190125457A1
Принадлежит: Ethicon LLC

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed. The method comprises the steps of gathering data during surgical procedures, wherein the surgical procedures include the use of a surgical instrument, analyzing the gathered data to determine an appropriate operational adjustment of the surgical instrument, and adjusting the operation of the surgical instrument to improve the operation of the surgical instrument.

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01-09-2022 дата публикации

AUTOMATIC MEDICAL INSTRUMENT IDENTIFICATION

Номер: US20220273398A1
Принадлежит:

The invention relates to a medical instrument identification setup, comprising a sensor carrier, configured to be removably arranged in a lumen of a medical instrument. The sensor carrier has at least two localizers, the localizers each being configured for providing a sensor signal representing position and orientation of the respective localizer. The medical instrument identification setup further comprises a position detection system that is configured for determining position and orientation of the at least two localizers in a position detection system's coordinate system from received sensor signals. The medical instrument identification setup has a calibration device and a calibration unit, the calibration device being configured such that its position and orientation in the position detection system's coordinate system can be determined by the position detection system. The calibration unit is configured for calibrating a medical instrument with the sensor carrier arranged in its lumen by calculating a distance between the medical instrument's tip and at least one of the two localizers based on the position and orientation of the calibration device and the position and orientation of at least one of the two localizers determined by the position detection system. The medical instrument identification setup further comprises a medical instrument identification unit, configured for determining a length of the medical instrument's lumen at least from the calculated distance and for using the determined length of the lumen for identifying the medical instrument. 1. A medical instrument identification setup , comprisinga sensor carrier, configured to be removably arranged in a lumen of a medical instrument, the sensor carrier having at least two localizers, the localizers each being configured for providing a sensor signal representing position and orientation of the respective localizer,a position detection system, configured for determining position and ...

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31-07-2014 дата публикации

Method and apparatus for directional calibration and tracking

Номер: US20140214358A1
Автор: Ying Ji
Принадлежит: Individual

Method and apparatus are provided to determine directional calibration parameters of an object. A method includes: disposing a tracking marker to the object, disposing the object on a calibration tool, rotating the object around its set linear axis while keeping the set linear direction unchanged, determining at least two three-dimensional rotation matrices of the tracking marker via a position tracking apparatus, and using the three-dimensional rotation matrices to determine the directional calibration parameters with the formula of two-point position relationship or rectilinear direction rotation relationship in the three-dimensional space. The action direction of the object is determined based on the determined directional calibration parameters and the current three-dimensional rotation matrix of the tracking marker. Without placing the object in a known direction or determining two points on the direction, the disclosed methods provide convenient ways to determine the directional calibration parameters, and to determine the action direction of the object.

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17-05-2018 дата публикации

METHOD AND APPARATUS FOR COMPUTER AIDED SURGERY

Номер: US20180132941A1
Принадлежит:

A number of improvements are provided relating to computer aided surgery. The improvement relates to both the methods used during computer aided surgery and the devices used during such procedures. Some of the improvement relate to controlling the selection of which data to display during a procedure and/or how the data is displayed to aid the surgeon. Other improvements relate to the structure of the tools used during a procedure and how the tools can be controlled automatically to improve the efficiency of the procedure. Still other improvements relate to methods of providing feedback during a procedure to improve either the efficiency or quality, or both, for a procedure. 1. (canceled)2. A free hand navigated surgical saw , comprising:a housing, a saw blade extending from the housing and a computer display mounted on the housing wherein the computer display is within the field of view of a user looking at the saw blade while using the free hand navigated surgical saw during a computer aided surgery procedure; anda wireless communication unit in the free hand navigated surgical saw configured to receive computer readable instructions from a computer assisted surgery system used during the computer aided surgery procedure to change the output of the computer display in response to the computer readable instructions, wherein the computer readable instructions include instructions for altering a view of a representation of a relevant portion of a patient specific virtual model of patient anatomy in the computer display as a result of a detected position and orientation of the free hand surgical saw in relation to the actual patient anatomy represented in the virtual model of the relevant portion of the patient anatomy in the computer display.3. The free hand navigated surgical saw of wherein in response to the detected position and orientation of the free hand surgical saw in relation to the actual patient anatomy the orientation of the virtual model of patient ...

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01-09-2022 дата публикации

Stapling instrument comprising a signal antenna

Номер: US20220278438A1
Принадлежит: Cilag GmbH International

A staple instrument system comprising a cartridge body and an antenna is disclosed.

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30-04-2020 дата публикации

ON-THE-FLY CALIBRATION FOR CATHETER LOCATION AND ORIENTATION

Номер: US20200129238A1
Принадлежит:

A method includes retrieving from a memory a stored sensitivity table that associates magnetic position sensor readings with measured magnetic fields. One or more calibration values for the magnetic position sensor are estimated during a catheterization procedure in which a magnetic position sensor, fitted at a distal end of a catheter, is placed in an organ of a patient, based on (i) the stored sensitivity table and (ii) readings acquired by the magnetic position sensor while in the organ. Based on the one or more calibration values, a location of the distal end in the organ is magnetically tracked. 1. A method , comprising:retrieving from a memory a stored sensitivity table that associates magnetic position sensor readings with measured magnetic fields;during a catheterization procedure in which a magnetic position sensor, fitted at a distal end of a catheter, is placed in an organ of a patient, estimating one or more calibration values for the magnetic position sensor based on (i) the stored sensitivity table and (ii) readings acquired by the magnetic position sensor while in the organ; andbased on the one or more calibration values, magnetically tracking a location of the distal end in the organ.2. The method according to claim 1 , and comprising storing in the memory the one or more estimated calibration values.3. The method according to claim 1 , wherein estimating the one or more calibration values comprises minimizing a cost-function to obtain equations that associate the sensor readings with the measured magnetic fields.4. The method according to claim 3 , wherein tracking the location comprises solving the obtained equations to track the location and orientation of the distal end in the organ.5. A system claim 3 , comprising:a memory, which is configured to store a sensitivity table that that associates magnetic position sensor readings with measured magnetic fields; anda processor, which is configured to:retrieve the stored sensitivity table from the ...

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10-06-2021 дата публикации

Devices and methods for excluding the left atrial appendage

Номер: US20210169500A1
Принадлежит: Conformal Medical Inc

Systems, devices and methods for occluding the left atrial appendage (LAA). The device excludes the LAA from blood flow. The implantable device is delivered via transcatheter delivery into the LAA and secured within the LAA. The implant comprises an expandable and compliant frame having anchors and an expandable and conformable tubular foam body. A delivery and tether retraction system includes a handle for controlling a pusher and tether. The pusher may be moved a distance away from the implant without changing the orientation of the implant, while the tether is still attached to the implant. A loader includes a conical portion with guides and a reservoir for submerging the foam implant prior to loading and delivery.

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17-06-2021 дата публикации

Handheld electromechanical surgical system

Номер: US20210177423A1
Принадлежит: COVIDIEN LP

The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

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07-06-2018 дата публикации

Control Module For A Powered Surgical Tool

Номер: US20180153606A1
Автор: Hassler, JR. WILLIAM L.
Принадлежит: STRYKER CORPORATION

A control module for a powered surgical tool. The module includes a shell. Internal to the shell is a circuit for controlling the power generating unit of the tool with which the module is associated. Conductive pins extend through the shell to provide electrical connections to the components within the shell. Active seals are disposed around the conductors and the inner walls of the shell that define the openings in which the pins are seated. Each active seal include an inner and outer skirt. A biasing component disposed between the skirts urges the inner skirt against the section of the conductive pin seated in the opening. The biasing component also urges the outer skirt against the adjacent opening-defining inner wall of the shell. The active seal functions as a barrier between the conductive pin and the adjacent inner wall of the shell. 1. A control module for a powered surgical tool comprising a housing , an attachment that extends from the housing for performing a surgical/medical task , and a power generating unit disposed in the housing and connected to the attachment for actuating the attachment , the control module comprising:a shell formed from at least one panel;a circuit board;at least one sensor disposed in the shell able to monitor an activity outside of the shell that is transmitted through a panel of the shell and that outputs a signal representative of the monitored activity to the circuit board; anda mount having a base shaped to define at least one slot, the slot being dimensioned so that the sensor can closely slip fit in the slot.2. The control module of claim 1 , further comprising a lid claim 1 , a spacer claim 1 , and an adhesive securing the mount to the spacer claim 1 , wherein the spacer positions the mount and the circuit board away from a bottom surface of the lid.3. The control module of further comprising at least one post that extends from the base.4. The control module of claim 3 , wherein the at least one post is mounted to the ...

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18-06-2015 дата публикации

Multiple configuration surgical cutting device

Номер: US20150164530A1
Принадлежит: Spectranetics LLC

Devices for removing implanted objects from body vessels are provided. A device includes a sheath assembly having a cutting tip. The cutting tip includes a cutting surface that is adapted to cut tissue coupled to an implanted object as the cutting tip rotates. The sheath assembly further includes an outer shield carried outside of the cutting tip. The outer shield includes a distal opening, and the outer shield is translatable relative to the cutting tip from a first position to a second position and vice versa. In the first position the cutting surface of the cutting tip is disposed within the outer shield, and in the second position the cutting tip extends through the distal opening and the cutting surface is at least partially disposed outside of the outer shield.

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24-06-2021 дата публикации

Electromagnetic Navigation System for Microscopic Surgery

Номер: US20210186627A1
Принадлежит: SCOPIS GMBH

The present invention relates to an electromagnetic navigation system for microscopic surgery and a method of microscopic surgery using said system. The present disclosure provides an electromagnetic navigation system for microscopic surgery, comprising at least a microscope and an electromagnetic measurement system comprising a field generator, wherein the field generator is adjustably connected to the microscope, and an additional disturbance correction module for compensating disturbances of the electromagnetic measurement system caused by the microscope. The electromagnetic measurement system may further comprise a sensor element configured to configured to detect a state of said adjustment element and to deduce a current orientation of said field generator relative to said microscope.

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11-09-2014 дата публикации

End effector identification by mechanical features

Номер: US20140252063A1
Принадлежит: COVIDIEN LP

According to one aspect of the present disclosure, a surgical instrument is disclosed. The instrument includes a handle portion, a body portion extending distally from the handle portion and defining a first longitudinal axis and a loading unit. The loading unit includes a tool assembly, the loading adapted to be coupled to the body portion. The instrument also includes a sensor tube movably positioned within the body portion, the sensor tube adapted to engage the loading unit and a load switch coupled to a microcontroller. The load switch is adapted to be actuated by the sensor tube when the sensor tube is engaged by the loading unit being inserted into the body portion.

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01-07-2021 дата публикации

Surgical instrument comprising a sensing system

Номер: US20210196263A1
Принадлежит: Cilag GmbH International

A surgical instrument comprising a sensing system is disclosed.

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01-07-2021 дата публикации

Surgical instrument comprising a feedback control circuit

Номер: US20210196269A1
Принадлежит: Cilag GmbH International

A surgical instrument comprising a sensing circuit and a control system which is responsive to data from the sensing circuit.

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21-06-2018 дата публикации

Methods and systems for adjusting an external fixation frame

Номер: US20180168691A1
Автор: Manoj Kumar Singh
Принадлежит: Stryker European Holdings I LLC

A tool for implementing a correction plan in an external fixation frame having a plurality of adjustment elements or screws, for example, generally includes a driver, a motor, a controller, and a processor. The driver is adapted to engage and rotate each of the screws. The motor is coupled the driver and adapted to rotate the driver. The controller is connected to the motor and configured to control operation of the motor. The controller may determine whether the tool is engaged with a strut and which strut is engaged, and may determine how much the strut has rotated, taking into account intentional or unintentional manual rotation of the tool. The tool may also include features to help ensure proper engagement between the drive and the strut. Variations may be provided in which similar functionality is provided with manual rotation of a motorless tool.

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04-06-2020 дата публикации

Catheter kit

Номер: US20200170705A1
Принадлежит: Hamamatsu Photonics KK

A catheter kit includes a catheter having an optical fiber, and a catheter accommodating tool which accommodates the catheter. The catheter accommodating tool has a tubular hoop, and a position adjustment mechanism provided at the hoop. The hoop has a hoop tip end portion at which a catheter tip end portion from which laser light transmitted through the optical fiber is emitted is disposed, and a hoop base end portion which is opposite to the hoop tip end portion. The position adjustment mechanism is provided at the hoop base end portion and changes a position of the catheter tip end portion with respect to the hoop tip end portion.

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13-06-2019 дата публикации

PHASED ARRAY CALIBRATION FOR GEOMETRY AND ABERRATION CORRECTION

Номер: US20190178851A1
Автор: Levy Yoav, PRUS Oleg
Принадлежит:

Various approaches for calibrating the geometry of an ultrasound transducer having multiple transducer elements include providing an acoustic reflector spanning an area traversing by multiple beam paths of ultrasound waves transmitted from all (or at least some) transducer elements to a focal zone; causing the transducer elements to transmit the ultrasound waves to the focal zone; measuring reflections of the ultrasound waves off the acoustic reflector; and based at least in part on the measured reflections, determining optimal geometric parameters associated with the transducer elements. 1. A method of calibrating a geometry of an ultrasound transducer comprising a plurality of transducer elements , the method comprising:providing a first acoustic reflector spanning an area traversed by a plurality of beam paths of ultrasound waves transmitted from at least some of the transducer elements to a focal zone;causing said at least some transducer elements to transmit the ultrasound waves to the focal zone;measuring reflections of the ultrasound waves off the first acoustic reflector; andbased at least in part on the measured reflections, determining optimal geometric parameters associated with said at least some transducer elements.2. The method of claim 1 , wherein the optimal geometric parameters comprise at least one of locations or orientations.3. The method of claim 1 , further comprising:analyzing the measured reflections to obtain a phase shift associated therewith; andcomputing a phase difference between the phase shift and an estimated phase value,wherein the optimal geometric parameters are determined based at least in part on the computed phase difference.4. The method of claim 3 , further comprising estimating a speed of the ultrasound waves traversing a medium located between the transducer elements and the first acoustic reflector claim 3 , wherein the estimated phase value is determined based at least in part on the speed of the ultrasound waves.5. The ...

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05-07-2018 дата публикации

TOOL GRIP CALIBRATION FOR ROBOTIC SURGERY

Номер: US20180185109A1
Автор: Nixon Thomas R.
Принадлежит:

Telerobotic, telesurgical, and surgical robotic devices, systems, and methods selectively calibrate end effector jaws by bringing the jaw elements into engagement with each other. Commanded torque signals may bring the end effector elements into engagement while monitoring the resulting position of a drive system, optionally using a second derivative of the torque/position relationship so as to identify an end effector engagement position. Calibration can allow the end effector engagement position to correspond to a nominal closed position of an input handle by compensating for wear on the end effector, the end effector drive system, then manipulator, the manipulator drive system, the manipulator/end effector interfacing, and manufacturing tolerances. 1. An apparatus comprising:a processor;a memory coupled to the processor; anda robotic manipulator configurable to support a mounted end effector having a tool identifier, the end effector movable relative to the manipulator in a plurality of degrees of freedom, the robotic manipulator transmitting a signal to the processor in response to the end effector being mounted on the manipulator; wherein the processor is configured to:calibrate the end effector in response to receiving the signal indicating mounting of the end effector onto the robotic manipulator;store a result of the calibrating in a grip calibration table in said memory, said result being identified in said memory by the tool identifier; andin response to the mounted end effector being removed from the manipulator and subsequently re-mounted on the manipulator, use the stored result corresponding to the tool identifier from the grip calibration table when moving the end effector relative to the manipulator in the plurality of degrees of freedom.2. The apparatus of claim 1 , further comprising a master control device coupled to the processor and robotic manipulator to control motion of the end effector in the plurality of degrees of freedom in response to ...

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06-07-2017 дата публикации

MECHANISMS FOR COMPENSATING FOR DRIVETRAIN FAILURE IN POWERED SURGICAL INSTRUMENTS

Номер: US20170189019A1
Принадлежит:

A surgical instrument includes an end effector, a drivetrain configured to transmit at least one motion to the end effector, and an electric motor operably coupled to the firing drivetrain, wherein the electric motor is configured to generate a mechanical output to motivate the drivetrain to transmit the at least one motion to the end effector. The surgical instrument further includes a controller that has a processor and a memory storing program instructions, which when executed by the processor, cause the processor to activate a safe mode in response to an acute failure of the drivetrain and activate a bailout mode in response to a catastrophic failure of the drivetrain. 1. A surgical instrument , comprising: a staple cartridge including a plurality of staples; and', 'an anvil, wherein at least one of the staple cartridge and the anvil is movable relative to the other one of the staple cartridge and the anvil to capture tissue therebetween;, 'a jaw assembly, comprisinga drivetrain configured to transmit at least one motion to the jaw assembly;an electric motor operably coupled to the drivetrain, wherein the electric motor is configured to generate a mechanical output to motivate the drivetrain to transmit the at least one motion to the jaw assembly; and a processor; and', activate a safe mode in response to an acute failure of the drivetrain; and', 'activate a bailout mode in response to a catastrophic failure of the drivetrain., 'a memory storing program instructions, which when executed by the processor, cause the processor to], 'a controller, comprising2. The surgical instrument of claim 1 , wherein the program instructions claim 1 , when executed by the processor in response to the acute failure claim 1 , cause the processor to modulate the mechanical output of the electric motor.3. The surgical instrument of claim 2 , wherein the modulation of the mechanical output of the electric motor comprises slowing the mechanical output.4. The surgical instrument of ...

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11-06-2020 дата публикации

Method of compressing tissue within a stapling device and simultaneously displaying the location of the tissue within the jaws

Номер: US20200178971A1
Принадлежит: Individual

A method of compressing tissue during a surgical procedure is disclosed. The method comprises obtaining a surgical instrument comprising an end effector, wherein the end effector comprises a first jaw and a second jaw, establishing a communication pathway between the surgical instrument and a surgical hub, and inserting the surgical instrument into a surgical site. The method further comprises compressing tissue between the first jaw and the second jaw, determining a location of the compressed tissue with respect to at least one of the first jaw and the second jaw, communicating the determined location of the compressed tissue to the surgical hub, and displaying the determined location of the compressed tissue on a visual feedback device.

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23-07-2015 дата публикации

Surgical Handpiece

Номер: US20150201918A1
Принадлежит: OSSEODYNE SURGICAL SOLUTIONS, LLC

Embodiments of the present invention provide a unique surgical handpiece having improved operation, durability and reliability. In one embodiment, the present invention provides a motorized handheld surgical instrument having one or more sensors for sensing motion, position, pressure, humidity, and various other environmental conditions relevant to the operation and maintenance of the surgical instrument. 1. A motorized surgical instrument for driving one or more rotating and/or reciprocating working elements , said motorized surgical instrument comprising:an outer housing;an electric motor disposed within said outer housing;a drive train extending through said outer housing and configured to transmit torque from said electric motor to said one or more rotating and/or reciprocating working elements; anda sealed keypad assembly formed at least in part from a molded resilient material and comprising one or more depressible keys, wherein at least one of said depressible keys comprises a substantially resilient lower flexing portion and a substantially rigid upper cap portion and wherein said lower flexing portion is integrally molded in place with said upper cap portion.2. The motorized surgical instrument of wherein at least one of said depressible keys comprises one or more of: a pressure-sensitive conductive rubber claim 1 , a compressible dielectric material sandwiched between one or more conductive plates claim 1 , a touch sensor element configured to be activated by human touching or pressing of a finger on an outer surface thereof claim 1 , or a solid-state piezoelectric switch.3. The motorized surgical instrument of wherein said drive train comprises one or more drive train elements configured to transmit torque or other mechanical forces by magnetic attraction or repulsion acting through a wall of a sealed housing.4. The motorized surgical instrument of wherein said electric motor comprises a fixed internal stator disposed within a sealed containment vessel ...

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11-06-2020 дата публикации

User-installable part installation detection techniques

Номер: US20200182743A1
Принадлежит: Intuitive Surgical Operations Inc

Techniques are described for testing whether an end effector, or component thereof, is correctly or incorrectly installed to a manipulation system. In an example, a manipulation system can include a manipulator arm configured to receive an end effector having a first moveable jaw, a transducer configured to provide first effort information of the end effector as the end effector moves, and a processor configured to provide a command signal to effect a first test move of the first moveable jaw, and to provide an installation status of the end effector using the first effort information of the first test move.

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27-07-2017 дата публикации

Powered medical device including measurement of closure state of jaws

Номер: US20170209145A1
Принадлежит: Ethicon LLC

A powered surgical instrument including an end effector, which includes jaws that are configured to transition between various closure states. The surgical instrument includes a sensor configured to measure the closure state of the jaws and a display configured to display information indicative to the detected closure state. The surgical instrument further includes a firing member movable between a first position and a second position to transition the end effector between the plurality of closure states and a motor configured to drive the firing member between the first position and the second position.

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04-07-2019 дата публикации

Method for usage of the shroud as an aspect of sensing or controlling a powered surgical device, and a control algorithm to adjust its default operation

Номер: US20190200977A1
Принадлежит: Ethicon LLC

A method for controlling a surgical instrument is disclosed. In at least one instance, the surgical instrument comprises a shroud and the operation of the surgical instrument is modified based on input from a sensing circuit configured to sense a parameter of the shroud. In certain instances, the surgical instrument comprises a strain gage circuit and the operation of the surgical instrument is modified based on input from the strain gage circuit.

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26-07-2018 дата публикации

Surgical Access System and Related Methods

Номер: US20180206715A1
Принадлежит: NUVASIVE, INC.

A surgical access system comprising a tissue dilation assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures. 1. A retractor assembly for creating an operative corridor to a spinal surgical target site , the retractor assembly comprising:a retractor body and a plurality retractor blades extending generally perpendicularly to the retractor body, the retractor body including a first arm having a first longitudinal axis and a second arm having a second longitudinal axis, a first retractor blade of the plurality of retractor blades being rigidly coupled to a distal end of the first arm and a second retractor blade of the plurality of retractor blades being rigidly coupled to a distal end of the second arm, the first and second arms being movable apart relative to one another to separate the plurality of retractor blades and retract tissue away from the interior of the retractor blades to thereby form an operative corridor to the surgical target site, the first arm being coupled to a first lead screw driven rack and pinion gear operable to splay the first retractor blade such that a distal end of the first retractor blade extends wider than a proximal end of the first retractor blade, the first arm including a first static arm portion and a first rotating arm portion, the first lead screw driven rack and pinion gear including a first translating rack gear housed within the first static arm portion and threadedly engaged about a first lead screw and a first pinion gear engaged with the first translating rack gear and mechanically linked to the first rotating arm potion, wherein the first pinion gear rotates about the first longitudinal axis causing the first rotating arm portion and the first retractor blade rigidly coupled to the first rotating arm portion to rotate about the first longitudinal axis, and wherein the ...

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04-07-2019 дата публикации

Surgical instruments comprising button circuits

Номер: US20190201028A1
Принадлежит: Ethicon LLC

A surgical instrument is disclosed comprising an actuator and circuitry mounted on and/or embedded in the actuator.

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04-07-2019 дата публикации

HEART VALVE SIZING RING AND METHOD

Номер: US20190201202A1
Автор: Dobrilovic Nikola
Принадлежит:

A device for measuring heart valve for sizing a heart valve reinforcement ring, includes a first handle having a first shaft an outer ring coupled to the first shaft, wherein the outer ring has an inner surface; and an inner ring having an outer surface, wherein the inner ring is removably couplable to the outer ring. The inner surface of the outer ring and the outer surface of the inner ring further have reciprocal mating surfaces configured and arranged to grip sutures therebetween when coupled together. The device may further have a second handle with a second shaft connected to the inner ring. Alternatively, the first handle may have a second shaft that is connected to a second outer ring. 113-. (canceled)14. A device for measuring heart valve for sizing a heart valve reinforcement ring , comprising:a first handle having a first shaft;an outer ring coupled to the first shaft, the outer ring having an inner surface; andan inner ring having an outer surface, the inner ring removably couplable to the outer ring;the inner surface of the outer ring and the outer surface of the inner ring further having reciprocal mating surfaces configured and arranged to grip sutures therebetween when coupled together.15. The device of claim 14 , wherein the outer ring further comprises a defect forming a break in the outer ring.16. The device of claim 14 , wherein the inner surface of the outer ring is concave claim 14 , and the outer surface of the inner ring is convex.17. The device of claim 14 , wherein the first shaft is flexible.18. The device of claim 14 , wherein the first shaft is bendable.19. The device of claim 14 , wherein the first shaft is detachable from the outer ring.20. The device of claim 14 , further comprising a second handle having a second shaft claim 14 , wherein the inner ring is connected to the second shaft.21. The device of claim 20 , wherein the second shaft is flexible.22. The device of claim 20 , wherein the second shaft is detachable from the inner ...

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