Patent application number | Description | Published |
20090171354 | Cordless Medical Cauterization and Cutting Device - A cordless surgical device includes a modular battery, a radio-frequency signal generating assembly, a surgical handle and an interchangeable circuit casing. The RF signal generating assembly includes RF-signal-generating circuitry, a voltage-control circuit and an external output. The voltage circuit is configured to control an output of the RF-signal-generating circuitry. The handle is configured to support a bipolar end effector having jaws with bipolar contacts and a cutting blade disposed between the jaws. The handle includes leads operable to receive RF signals from the external output and defines an aseptically sealable battery-holding compartment configured to hold the battery. The circuit casing is configured to house the RF signal generating assembly and includes a securing connection adapted to couple the external output of the RF signal generating assembly to the leads. The external output is operable to impart RF signals to the handle when the circuit casing connects to the handle. | 07-02-2009 |
20090240245 | Method for Powering a Surgical Instrument - A method for powering an electrosurgical instrument includes the steps of inserting a removable battery assembly into an electrosurgical instrument and activating the power control circuit to power the electrosurgical instrument. The removable battery assembly includes a power control circuit powered by at least one energy storage cell, a radio-frequency-signal-generation assembly communicatively coupled to the power control circuit and operable to selectively produce a radio-frequency signal, and a battery assembly/instrument interface operably coupled to the radio-frequency-signal-generation assembly. The battery assembly/instrument interface includes a first plurality of connectors removably connectable with at least one corresponding connector coupled to the electrosurgical instrument, at least one of the first plurality of connectors being operable to supply the radio-frequency signal to the electrosurgical instrument. | 09-24-2009 |
20090240246 | Cordless Medical Cauterization and Cutting Device - A surgical device includes a radio-frequency-signal-generation assembly including a radio-frequency-signal-generation circuit operable to generate a radio-frequency signal at an output and adapted to couple to a switch-mode power supply and a surgical handle including an end effector having at least one jaw with at least one electrical contact, the end effector including at least one signal input that electrically connects to the output to provide the radio-frequency signal at the at least one electrical contact. | 09-24-2009 |
20100000074 | Method of Assembling a Cordless Hand-Held Ultrasonic Cautery Cutting Device - A method for assembling an ultrasonic surgical assembly includes the steps of substantially simultaneously removably coupling an ultrasonic-driving-wave-signal generating circuit to an ultrasonic surgical handle body and removably inserting an ultrasonic-movement-producing distal end of a rotatably free ultrasonic transducer into the ultrasonic surgical handle body. An ultrasonic waveguide is inserted into the ultrasonic surgical handle body opposite the ultrasonic-movement-producing distal end. The ultrasonic waveguide is rotated with respect to the ultrasonic transducer to fixedly couple the ultrasonic waveguide to the ultrasonic-movement-producing distal end of the ultrasonic transducer. | 01-07-2010 |
20100004669 | Cordless Hand-Held Ultrasonic Cautery Cutting Device and Method - A disposable ultrasonic surgical handle connectable to an ultrasonic transducer, an ultrasonic waveguide, a battery, and an ultrasonic-signal-generator assembly, includes a handle body having a power supply portion defining a battery-holding compartment, the battery-holding compartment having at least two battery contacts, a waveguide attachment dock exposed to the environment and shaped to accept the waveguide therein, an ultrasonic-signal-generator assembly dock exposed to the environment and shaped to selectively removably secure the ultrasonic-signal-generator assembly to the handle body and electrically couple the ultrasonic-signal-generator assembly to the battery contacts, and a transducer attachment dock exposed to the environment and shaped to substantially simultaneously place the ultrasonic transducer in coaxial alignment with the waveguide when the waveguide is disposed within the waveguide attachment dock and electrically couple the ultrasonic transducer to the ultrasonic-signal-generator assembly when the ultrasonic-signal-generator assembly is secured to the ultrasonic-signal-generator assembly dock. The battery can be removable. | 01-07-2010 |
20100096431 | ACTIVE BRAKING ELECTRICAL SURGICAL IINSTRUMENT AND METHOD FOR BRAKING SUCH AN INSTRUMENT - An electrically powered surgical instrument includes a surgical end effector having a surgical procedure effecting actuation assembly. A handle is coupled with the end effector. An electric motor is disposed within a shell of the handle and has power terminals and a drive train actuating the assembly when the motor is supplied with power. A break-before-make power supply switch at the handle selectively controls supply of power to the motor. A post-termination braking circuit electrically short-circuits the power terminals when the switch does not supply power to the motor. A method for post-termination braking of an electrical motor utilizes the permanent magnetic field of the motor to counteract an inertia-induced over-stroke characteristic of the motor, drive train, and/or actuation assembly after powered operation by short-circuiting the still-spinning motor to create an electrically generated magnetic field in opposition to the permanent magnetic field upon ceasing supply of power to the motor. | 04-22-2010 |
20100127040 | Method for Surgical Stapling and Cutting Device with Dual Actuating Control Knob - A method for operating a surgical end effector, including providing a control shaft having a longitudinal axis with a distal end effector assembly at least partially actuated by a displacement of an actuating part along the longitudinal axis and providing the control shaft with a proximal handle connector having a rotating link operable to connect the control shaft to a control handle rotatably about the longitudinal axis. An end effector two-function control device is fixed rotationally to at least part of the control shaft to couple rotation of the two-function control device, the control shaft, and the end effector assembly about the longitudinal axis and is fixed longitudinally to the actuating part to couple longitudinal movement of the two-function control device and the actuating part with respect to the control shaft. | 05-27-2010 |
20110009890 | Method of Switching a Cordless Hand-Held Ultrasonic Cautery Cutting Device - A method for operating an ultrasonic, self-powered surgical device, includes the steps of connecting a self-contained power supply to a surgical device handle, providing a control circuit within at least one of the handle and the power supply, the control circuit being operable to carry out at least two operational conditions of the surgical device, and effecting the at least two operational conditions with a two-stage switch electrically connected to the control circuit, a first stage of the switch effecting a first of the at least two operational conditions and a second stage of the switch effecting a second of the at least two operational conditions different from the first operational condition. | 01-13-2011 |
20110054506 | Two-Stage Switch for Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic, self-powered surgical device includes a handle, a self-contained power supply associated with the handle, and a control circuit disposed within the handle and/or the power supply. The control circuit is operable to carry out at least two operational conditions of the surgical device. A two-stage switch is electrically connected to the control circuit and effects the at least two operational conditions of the surgical device. A first stage of the switch effects a first of the at least two operational conditions and a second stage of the switch effects a second of the at least two operational conditions that is different from the first operational condition. | 03-03-2011 |
20110167619 | Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic surgical assembly includes an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, a measurement circuit connected in a parallel configuration with the ultrasonic transducer, a variable power source operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer, and a current controller operable to regulate the motional current by varying an output of the variable power source, thereby maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 07-14-2011 |
20110167620 | Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic surgical assembly includes an ultrasonic-movement-generator assembly having a shell and an ultrasonic-driving-wave-signal generating circuit housed within the shell, an ultrasonic transducer having a proximal end and an ultrasonic-movement-producing distal end, an ultrasonic waveguide having a proximal end for receiving ultrasonic movement thereat, and a handle body having a waveguide attachment dock operable to accept the waveguide therein, an ultrasonic-movement-generator assembly dock operable to selectively removably secure the ultrasonic-movement-generator assembly thereto, and a transducer attachment dock operable to substantially simultaneously selectively removably and rotatably freely couple the ultrasonic transducer to the handle body rotationally independent of the ultrasonic-movement-generator assembly and axially align the ultrasonic-movement-producing distal end opposite the proximal end of the ultrasonic waveguide when the ultrasonic waveguide is disposed within the waveguide attachment dock. | 07-14-2011 |
20110167621 | Method of Assembling a Cordless Hand-Held Ultrasonic Cautery Cutting Device - A method for assembling an ultrasonic surgical device includes the steps of providing a proximal end of an ultrasonic waveguide at an ultrasonic surgical handle body, removably coupling an ultrasonic-movement-generator assembly having a ultrasonic-driving-wave-signal generating circuit to the ultrasonic surgical handle body, mechanically coupling an ultrasonic transducer rotationally freely and substantially longitudinally fixedly to the ultrasonic surgical handle body to place an ultrasonic-movement-producing distal end of the ultrasonic transducer opposite and adjacent the proximal end of the ultrasonic waveguide, and rotating the waveguide and the ultrasonic transducer with respect to one another to removably fixedly couple the waveguide to the ultrasonic-movement-producing distal end of the ultrasonic transducer and to electrically couple the ultrasonic-driving-wave-signal generating circuit to the ultrasonic surgical handle body. | 07-14-2011 |
20110172689 | Method of Maintaining Constant Movement of a Cutting Blade on an Ultrasonic Waveguide - A method of maintaining a constant movement of a cutting blade of an ultrasonic waveguide includes providing an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, a measurement circuit connected in a parallel configuration with the ultrasonic transducer, and a variable power source operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer. Current is supplied through a set of connection points of the parallel configuration with the variable power source to, thereby, create the motional current in the ultrasonic transducer and the motional current is regulated with a current controller by varying an output of the power source, thereby maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 07-14-2011 |
20110178542 | Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic surgical assembly includes an ultrasonic transducer operable to convert a received motional voltage into a movement of a cutting blade of an ultrasonic waveguide, a motional feedback circuit connected in a parallel configuration with the transducer, a variable power source operable to apply a first voltage between a set of connection points to the parallel configuration, a voltage meter operable to determine a feedback voltage measured from the motional feedback circuit, and a voltage controller operable to vary an output of the power source based upon the measured feedback voltage, resulting in a substantially constant feedback voltage and maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 07-21-2011 |
20110184445 | Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic surgical assembly includes an ultrasonic waveguide having a proximal end for receiving ultrasonic movement thereat, an ultrasonic-movement-generator assembly having a shell, an ultrasonic-driving-wave-signal generating circuit housed within the shell, and an ultrasonic transducer having a proximal end disposed within the shell and an ultrasonic-movement-producing distal end, and a handle body having a waveguide attachment dock operable to accept the waveguide therein, an assembly dock shaped to removably secure at least a portion of the ultrasonic-movement-generator assembly thereat, the assembly dock operable to selectively removably secure at least the shell thereat and to position the ultrasonic-movement-producing distal end of the ultrasonic transducer co-axially opposite the proximal end of the ultrasonic waveguide when the ultrasonic waveguide is disposed within the waveguide attachment dock. | 07-28-2011 |
20110190800 | Method of Maintaining Constant Movement of a Cutting Blade of an Ultrasonic Waveguide - A method of maintaining constant movement of a cutting blade of an ultrasonic waveguide includes the steps of providing an ultrasonic transducer operable to convert a received motional voltage into a movement of a cutting blade of an ultrasonic waveguide, a motional feedback circuit connected in a parallel configuration with the ultrasonic transducer, and a variable power source operable to apply a first voltage between a set of connection points to the parallel configuration. A feedback voltage measured from the motional feedback circuit is determined and an output of the power source is varied based upon the measured feedback voltage to result in a substantially constant feedback voltage and, thereby, maintain a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 08-04-2011 |
20110251632 | Method of Powering a Surgical Instrument - A method for powering electrically powered surgical instruments includes removably inserting a cordless battery assembly into a handle thereof, the instrument handles having a battery chamber and different types. The battery assembly comprises an energy cell powering a signal generation assembly of the instruments. A battery/handle interface has connectors mating with connectors within the chamber. A voltage-control circuit is operable to communicate with and power the signal generation assembly, detect which handle type is connected to the battery assembly, and provide different outputs in response to a detection of the handle types. As the battery assembly is inserted, connectors of the battery/handle interface are coupled with connectors within the battery chamber to communicatively couple the voltage-control circuit to the signal generation assembly and provide power thereto. The connected handle is detected and dependent upon the detected handle type a different one of the outputs are provided. | 10-13-2011 |
20110257650 | Battery Assembly for Battery-Powered Surgical Instruments - A battery assembly is used in battery-powered surgical instruments with handles having a battery chamber and different handle types. The battery assembly includes a housing having an exterior shape formed to removably connect with the battery chamber of the handles and a voltage-control circuit. The housing has at least one energy storage cell operable to power a signal generation assembly of the surgical instruments and a battery/handle interface having a plurality of connectors shaped to mate with a plurality of corresponding connectors within the battery chamber of the handles. The voltage-control circuit is operable to communicatively couple with and provide power to the signal generation assembly, detect which one of the handle types is connected to the housing, provide a first output in response to a detection of a first handle type, and provide at least a second output in response to a detection of a second handle type. | 10-20-2011 |
20120046692 | Adjustable Compression Staple and Method for Stapling with Adjustable Compression - A method for applying and maintaining optimal tissue compression with a staple includes piercing tissue with deformable distal ends of staple legs, each distal end defining a stapling point shaped to pierce material, the two staple legs coupled to each other at base ends thereof by a bridge and together forming a substantially U-shaped staple body. The two staple legs enter the tissue until the tissue applies a compressive force to a compression device disposed at least partly between the two staple legs. The compression device has a compression surface movably disposed between the two staple legs and a compression resistor that is connected to the bridge and to the compression surface and operable to resist movement of the compression surface towards the bridge with a force. The two staple legs are deformed to maintain the compressive force between the tissue and the compression device. | 02-23-2012 |
20120071796 | Battery-Powered Hand-Held Ultrasonic Surgical Cautery Cutting Device - A battery-powered, modular surgical device includes an electrically powered surgical instrument operable to surgically interface with human tissue and a handle assembly connected to the surgical instrument. The handle assembly has a removable hand grip and a handle body. The hand grip is shaped to permit handling of the surgical device by one hand of an operator, has an upper portion and a cordless internal battery assembly that powers the surgical instrument. The internal battery assembly has at least one energy storage cell. The handle body is operable to removably connect at least the upper portion of the hand grip thereto and create an aseptic seal around at least a portion of the hand grip when connected thereto and electrically couple the internal battery assembly of the hand grip to the surgical instrument and thereby power the surgical instrument for interfacing surgically with the human tissue. | 03-22-2012 |
20120078278 | Battery-Powered Hand-Held Ultrasonic Surgical Cautery Cutting Device - A battery assembly for use with a surgical device having a battery terminal and operational parameters includes a housing having a shape formed to removably connect with the terminal. The housing contains a modular battery operable to supply power to the device at the terminal and has a control circuit with a microprocessor, a memory, and a real-time clock. The control circuit is communicatively coupled to the battery and is operable to detect an identity of the surgical device, to determine at least one piece of information pertaining to at least one of the operational parameters of the surgical device based upon the detected identity, to record the piece of information at least in the memory, and to selectively allow or prevent the battery from supplying power to the surgical device dependent upon the piece of information. | 03-29-2012 |
20120080475 | Method for Operating a Surgial Stapling and Cutting Device - A method for operating a surgical end effector of a medical device includes the steps of operably associating a passive articulation joint with a surgical end effector to allow articulation of the end effector, retaining the passive articulation joint in a still position with an articulation lock, releasing the articulation lock to free the passive articulation joint from its still position thereby permitting the end effector to articulate through the passive articulation joint dependent upon forces that are external to the device and are applied to the end effector, and passively articulating the end effector into a desired articulated position by pressing a portion of the end effector against a feature of the environment. | 04-05-2012 |
20120221031 | Method of Maintaining Constant Movement of a Cutting Blade of an Ultrasonic Waveguide - A method of maintaining a constant movement of a cutting blade of an ultrasonic waveguide includes providing an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, a measurement circuit connected in a parallel configuration with the ultrasonic transducer, and a variable power source operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer. Current is supplied through a set of connection points of the parallel configuration with the variable power source to, thereby, create the motional current in the ultrasonic transducer and the motional current is regulated with a current controller by varying an output of the power source, thereby maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 08-30-2012 |
20120261066 | Sealed Device and Method of Sealing - A method for creating a sealed device includes the steps of providing a structure comprised of at least two adjacent parts forming an enclosure and having a contact surface therebetween. At least one part of the structure is comprised of a material that appears substantially opaque to the naked eye and is substantially transparent to light. A light-curable adhesive is applied at the contact surface, and light is transmitted to cure the light-curable adhesive to form a hermetic seal at the contact surface between the at least two adjacent parts. | 10-18-2012 |
20120277780 | Cordless Hand-Held Ultrasonic Cautery Cutting Device - An ultrasonic surgical assembly includes an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, a measurement circuit connected in a parallel configuration with the ultrasonic transducer, a variable power source operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer, and a current controller operable to regulate the motional current by varying an output of the variable power source, thereby maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads. | 11-01-2012 |
20120286020 | Surgical Stapling and Cutting Device - A medical device, comprising a pistol-shaped handle, a laparoscopic shaft extending from the handle having a distal end and defining a shaft axis, a surgical end effector connected to the distal end of the shaft, a surgical procedure actuator operable to carry out a surgical procedure on tissue at the end effector, and a rotating knob at the handle that is rotatable with respect to the shaft about the shaft axis and is operable to actuate the surgical procedure actuator and effect the surgical procedure. | 11-15-2012 |
20130015232 | Electrical Surgical Instrument with Optimized Power Supply and Drive - A hand-held, electrically powered and controlled surgical stapler/cutter includes a handle shaped to fit in one hand of a user and a surgical end effector connected to the handle. The handle contains therein a selectively actuated, self-contained electric power supply having at least one battery cell, at least part of an anvil control assembly, and at least part of an electrically-powered stapler/cutter control assembly electrically connected to the power supply. The surgical end effector is operatively connected to each of the anvil control assembly and the stapler/cutter control assembly. The stapler/cutter control assembly staples and cuts tissue disposed at the surgical end effector when powered by the power supply. | 01-17-2013 |
20130018226 | Method for Variably Flexing and Steering an Insertion Device - A method for variably flexing and steering an insertion device that receives an instrument, which comprises providing a hollow body having tendons disposed therewithin and a distal end, changing a condition of the hollow body by selectively applying suction to create a vacuum in the hollow body to place the hollow body in a relatively stiff condition and relieving the vacuum to place the hollow body in a relatively flexible condition, maintaining the hollow body in the relatively flexible and relatively stiff conditions with the tendons, the vacuum created by the applied suction frictionally locking the tendons in place in the relatively stiff condition, and individually adjusting at least one of the tendons in length to steer the distal end of the hollow body. | 01-17-2013 |
20130020373 | Method for Operating an Electrical Surgical Instrument with Optimal Tissue Compression - A method of configuring a surgical instrument having a surgical tissue-compressing device including opposing compression surfaces with a tissue-compression-measuring mechanism, the method comprising providing a switching element having first and second switching states changed solely by mechanical movements, mechanically coupling the switching element with a biasing element retaining the switching element in one of the first and second switching states until a pre-determined force is imparted to the switching element, the pre-determined force being an amount of force proportional to an optimal tissue compression force of compressed tissue disposed between the opposing compression surfaces, and positioning the switching element in line with the surgical tissue-compressing device to cause the pre-determined force, proportional to a force placed upon compressed tissue disposed between the opposing compression surfaces, to be placed upon the switching element. | 01-24-2013 |
20130043834 | Surgical Sterilizer With Integrated Battery Charging Device - A device for charging at least one rechargeable battery of a battery-operated surgical instrument that comprises a sealed container operable to enclose and create a microbial seal around the battery. The sealed container permits surgical sterilization and inductive charging of the battery while the battery is enclosed therein. The device further comprises an inductive charging assembly having a power receiver sub-assembly inside the sealed container and electrically coupled to the battery whereby the power receiver sub-assembly is operable to receive electrical power inductively from outside the sealed container and to charge the battery electrically coupled to the power receiver sub-assembly. A power supply is disposed outside the sealed container and supplies power inductively to the power receiver sub-assembly through the sealed container such that the sealed container is not structurally breached. | 02-21-2013 |
20130046290 | Two-Stage Switch for Surgical Device - A surgical device, comprising a control circuit operable to carry out at least two operational conditions of the surgical device, and a two-stage switch electrically connected to the control circuit, a first stage of the switch effecting a first of the at least two operational conditions and a second stage of the switch effecting a second of the at least two operational conditions that is different from the first operational condition, wherein the force required to sustain the first operational condition is less than the force required to enter the first operational condition and the force required to enter the second operational condition is greater than the force required to sustain the first operational condition. | 02-21-2013 |
20130046291 | Method of Switching a Surgical Device - Method for operating a surgical device, comprising providing a control circuit operable to carry out at least two operational conditions of the surgical device and effecting the at least two operational conditions with a two-stage switch electrically connected to the control circuit, a first stage of the switch effecting a first of the at least two operational conditions and a second stage of the switch effecting a second of the at least two operational conditions different from the first operational condition, wherein the force required to sustain the first operational condition is less than the force required to enter the first operational condition and the force required to enter the second operational condition is greater than the force required to sustain the first operational condition. | 02-21-2013 |
20130046321 | Two-Stage Switch for Surgical Device - A self-powered surgical device, comprising a handle having a self-contained power supply and a control circuit operable to carry out at least two operational conditions of the surgical device; and a two-stage switch electrically connected to the control circuit, a first stage of the switch effecting a first of the at least two operational conditions and a second stage of the switch effecting a second of the at least two operational conditions that is different from the first operational condition, the two-stage switch having a variable resistance such that the first stage occurs when a first depression force is applied to the switch, the second stage occurs when a second depression force greater than the first depression force is applied to the switch, and a holding force lower than at least the second depression force is required to maintain the switch in the second stage. | 02-21-2013 |
20130046322 | Method of Switching a Surgical Device - Method for operating a self-powered surgical device, comprising providing a handle with a self-contained power supply and control circuit operable to carry out at least two operational conditions of the surgical device and effecting the at least two operational conditions with a two-stage switch electrically connected to the control circuit, a first stage of the switch effecting a first of the two operational conditions and a second stage of the switch effecting a second of the two operational conditions different from the first operational condition, the two-stage switch having a variable resistance such that the first stage occurs when a first depression force is applied to the switch, the second stage occurs when a second depression force greater than the first depression force is applied to the switch, and a holding force lower than the second depression force is required to maintain the switch in the second stage. | 02-21-2013 |
20130046373 | Actively Controllable Stent, Stent Graft, Heart Valve and Method of Controlling Same - Sealable and repositionable implant devices are provided with features that increase the ability of implants such as endovascular grafts and valves to be precisely deployed or re-deployed, with better in situ accommodation to the local anatomy of the targeted recipient anatomic site, and/or with the ability for post-deployment adjustment to accommodate anatomic changes that might compromise the efficacy of the implant. A surgical implant includes an implant body and a selectively adjustable assembly attached to the implant body, the assembly having adjustable elements and being operable to cause a configuration change in a portion of the implant body and, thereby, permit implantation of the implant body within an anatomic orifice to effect a seal therein under normal physiological conditions. | 02-21-2013 |
20130076307 | Surgical Sterilizer with Integrated Battery Charging Device - A device for sterilizing and charging a battery of an instrument, comprising a sterilization device sealingly enclosing therein at least one battery of an instrument and operable to sterilize the at least one battery, an inductively powered battery-charging device disposed inside the sterilization device and having a charger operable to be placed in conductive contact with and charge the at least one battery and a power receiver sub-assembly electrically coupled to the charger and operable to receive electrical power inductively from outside the sterilization device and supply the received electrical power to the charger to charge the battery during sterilization, and a power supply disposed outside the sterilization device and operable to supply power inductively to the power receiver sub-assembly through the sterilization device. | 03-28-2013 |
20130098964 | Surgical Stapling and Cutting Device - A medical device comprises a control handle and a surgical end effector connected to the control handle through a passive articulating connection. A medical device end effector connection assembly comprises a passive articulation joint for connecting an end effector to a control handle. In a medical device having an end effector connected to a control handle, an end effector connection assembly comprises a passive articulation joint connecting the end effector to the control handle. A medical device comprises a control handle and a surgical end effector passively articulated with respect to the control handle. A medical device comprises a control handle having a first portion of a passive articulation joint and a surgical end effector having a second portion of the passive articulation joint, the first and second portions of the passive articulation joint connecting the end effector to the control handle. | 04-25-2013 |
20130126580 | ELECTRICAL SURGICAL INSTRUMENT WITH OPTIMAL TISSUE COMPRESSION - A surgical device, comprising a tissue compression device having a pair of opposing compression surfaces, a mechanical binary-output electrical switch having open and closed electrical switching states initiated and changed solely by mechanical movements, and an adjustable biasing device mechanically coupled to the switch and retaining the switch in one of the switching states until a force at least as great as a force imposed by the biasing device is imparted to the switch, wherein the switch is disposed in line with the tissue compression device to cause a proportional amount of force that is placed upon compressed tissue disposed between the opposing compression surfaces to be placed upon the switch, and the biasing device is set to an amount of force that is proportional to an optimal tissue compression force of the compressed tissue when disposed between the opposing compression surfaces. | 05-23-2013 |
20130166017 | Actively Controllable Stent, Stent Graft, Heart Valve and Method of Controlling Same - Sealable and repositionable implant devices are provided to increase the ability of endovascular grafts and valves to be precisely deployed or re-deployed, with better in situ accommodation to the local anatomy of the targeted recipient anatomic site, and with the ability for post-deployment adjustment to accommodate anatomic changes that might compromise the efficacy of the implant. A surgical implant includes a self-expanding stent of a shape-memory material set to a given shape. The stent has a wall with a portion having a first thickness and a second portion having a thickness greater than the first. The second portion defines a key-hole shaped longitudinal drive orifice. The implant includes a selectively adjustable assembly having adjustable elements and being operable to force a configuration change in at least a portion of the self-expanding stent. The adjustable elements have a part rotatably disposed within the longitudinal drive orifice. | 06-27-2013 |
20130221061 | ACTIVE BRAKING ELECTRICAL SURGICAL INSTRUMENT AND METHOD FOR BRAKING SUCH AN INSTRUMENT - An electrically powered surgical instrument includes a surgical end effector having a surgical procedure effecting actuation assembly. A handle is coupled with the end effector. An electric motor is disposed within a shell of the handle and has power terminals and a drive train actuating the assembly when the motor is supplied with power. A break-before-make power supply switch at the handle selectively controls supply of power to the motor. A post-termination braking circuit electrically short-circuits the power terminals when the switch does not supply power to the motor. A method for post-termination braking of an electrical motor utilizes the permanent magnetic field of the motor to counteract an inertia-induced over-stroke characteristic of the motor, drive train, and/or actuation assembly after powered operation by short-circuiting the still-spinning motor to create an electrically generated magnetic field in opposition to the permanent magnetic field upon ceasing supply of power to the motor. | 08-29-2013 |
20130245657 | Battery Assembly for Battery-Powered Surgical Instruments - A battery assembly for use in a number of battery-powered, cordless ultrasonic surgical instruments with handles having a battery chamber and coupled to different ultrasonic waveguide types, comprises a housing having an exterior shape formed to removably connect with the battery chamber of the handles. The housing has at least one energy storage cell operable to power an ultrasonic-signal-generation assembly of the surgical instruments. The ultrasonic-signal-generation assembly is operable to dynamically produce a resonant wave along an ultrasonic waveguide. A battery/handle interface has a plurality of connectors shaped to mate with a plurality of corresponding connectors within the battery chamber of the handles. A voltage-control circuit communicatively couples with and provides power to the ultrasonic-signal-generation assembly, detects which one of the ultrasonic waveguide types is coupled to the handle connected to the housing, and provides an output in response to the detected waveguide type. | 09-19-2013 |
20130248581 | Electrical Surgical Instrument with Knife Return - Electrically operated surgical instrument, comprising a handle having a power supply; a drive assembly having an electrical motor, a controller electrically connected to the power supply and motor, and a drive part selectively moved by the motor between a fully extended position and a fully retracted position; and a control assembly operably connected to the motor to control a rotation of the motor; an end effector having a tissue-cutting assembly comprising: a blade connected to the drive part to move between opposing compression surfaces over the course of a blade stroke to cut tissue compressed between the compression surfaces, the blade stroke being comprised of the drive part advancing the blade towards the tissue to an extended position and retreating proximally to a retracted position, the control assembly being operable to selectively cause the motor to automatically retreat the drive part to place the blade in the retracted position. | 09-26-2013 |
20130256370 | Electrical Surgical Instrument with One-Handed Operation - Electrical surgical device comprising a handle shaped to be held within one hand, the handle having a self-contained power source, at least part of an end effector control assembly connected to the power source, a switch connected to the power source and operable to selectively power the end effector control assembly with the power source, and an articulation control device, wherein both the switch and the articulation control device are operated with the one hand holding the handle; an articulating connection operated by the articulation control device; and a surgical end effector connected to the handle by the articulating connection such that articulation of the surgical end effector is controlled by operation of the articulation control device and operatively connected to the end effector control assembly such that, upon operation of the end effector control assembly, the surgical end effector is operable to carry out at least one surgical procedure. | 10-03-2013 |
20130274739 | Methods for Operating a Selective Stiffening Catheter - A method for delivering RF energy to living tissue includes the steps of extending a guidewire to a tissue treatment site in a body. A controllable stiffness catheter is provided with a stiffness device having non-metallic properties and a temperature-changing device. The stiffness device is in a stiff state below a given temperature and in a soft state above the given temperature. While supplying power to the temperature-changing device, the catheter is threaded along the guidewire up to the treatment site in the soft state. Power is removed from the temperature-changing device to alter the non-metallic properties of the stiffness device and directly result in a change of the stiffness device to the stiff state without straightening the catheter. The RF energy supply device is physically contacted with the treatment site and RF energy is delivered to the treatment site from the RF energy supply device. | 10-17-2013 |
20130284789 | ACTIVE BRAKING ELECTRICAL SURGICAL INSTRUMENT AND METHOD FOR BRAKING SUCH AN INSTRUMENT - A surgical instrument includes an end effector, an actuator coupled to the end effector and actuating it, a handle coupled to the end effector and having an electric motor disposed therein actuating the actuator when supplied with power, and a post-termination braking circuit including a power supply switch at the handle. The switch has a break-before-make configuration, a power-supplying state in which power is supplied to the motor, and a power-removed state in which power is not supplied to the motor. The braking circuit short-circuits power to the motor when the switch is in the power-removed state. A method for post-termination braking of the motor utilizes the permanent magnetic field to counteract inertia-induced over-stroke of the motor, drive train, and/or actuation assembly after powered operation by short-circuiting the still-spinning motor to create an electrically generated magnetic field in opposition to the permanent magnetic field upon ceasing supply of power. | 10-31-2013 |
20130341165 | Two-Stage Switch for Surgical Device - A surgical device control assembly includes a control device operable to carry out at least two operational conditions of a surgical device and a button operatively connected to the control device. The button has a button-actuation direction in which the button actuates, an unactuated position at a rest point of the button, a first actuated position at first distance from the rest point in the button-actuation direction, and a second actuated position at a second distance further from the rest point in the button-actuation direction than the first distance. The first actuated position effects a first of the at least two operational conditions. The second actuated position effects a second of the at least two operational conditions different from the first operational condition. | 12-26-2013 |
20140012085 | Variably Flexible Insertion Device and Method for Variably Flexing an Insertion Device - A torque-transmitting, variably-flexible device, comprising a hollow body having a proximal end and a distal end, a torque-transmitting element operable to transmit torque from the proximal end towards the distal end of the hollow body, and a steering element operable to steer the distal end of the hollow body. | 01-09-2014 |
20140142625 | Adjustable Compression Staple and Method for Stapling With Adjustable Compression - A substantially U-shaped staple has a bridge, legs, and an internally disposed compression device with a bias portion having a compression surface movably disposed between the legs and a compression resistor connected to the bridge and to the compression surface and is formed to resist movement of the compression surface towards the bridge with a force. | 05-22-2014 |
20140148848 | Adjustable Compression Staple and Method for Stapling With Adjustable Compression - A method for applying and maintaining compression with a staple includes piercing a material with deformable ends of staple legs. The legs enter the material until the material applies a pre-set compressive force within a pre-defined compression range to a compression device disposed at least partly between the legs. The compression device has a compression resistor connected to a compression surface. The compression surface is movably disposed with respect to the bridge. Movement of the compression surface towards the bridge is resisted with a force imparted by the compression resistor. The legs are deformed to maintain at least some of the compressive force between the material and the compression device. Forces greater than the pre-set force are absorbed with the compression resistor. The pre-set compressive force to the material is maintained within the pre-defined compression range throughout a state change of the material. | 05-29-2014 |
20140175149 | Electrically Self-Powered Surgical Instrument With Manual Release - A surgical instrument comprising a surgical end effector having an actuation assembly operable to effect a surgical procedure when actuated, a part of the actuation assembly being movable between a first position and second position, and a handle connected to the end effector for actuating the actuation assembly, the handle having a power supply disposed within the handle, a motor disposed within the handle and electrically powered by the power supply, a transmission connecting the motor to the moving part and operational to displace the moving part anywhere between the first and second positions when the motor is operated, and a manual release mechanism that selectively interrupts the transmission and, during interruption, displaces the moving part towards the first position independent of operation of the motor. | 06-26-2014 |
20140236202 | Method for Operating a Two-Stage Switch for Surgical Device - In a surgical device having a control device and a button operatively connected to the control device, the control device operative to carry out at least two operational conditions of the surgical device, a method for operating the surgical device comprising pressing a single actuation member of the button to a first depressed position to thereby effect a first of the at least two operational conditions and pressing the actuation member in substantially the same direction to a second depressed position to thereby effect a second of the at least two operational conditions different from the first operational condition. | 08-21-2014 |
20140276042 | INTEGRATED CATHETER AND POWERED INJECTOR SYSTEM FOR USE IN PERFORMING RADIAL ANGIOGRAPHY - An integrated catheter and powered injector system includes a pump housed in a self-contained unit, a contrast media supply removably connected to the pump by a fluid supply line, an extension line removably connecting an arterial catheter to the pump, and a control device sending user control signals to the pump. The pump comprises a motorized pump drive sub-system operating the pump, and a battery electrically connected to and powering the pump drive sub-system. In response to signals received from the control device, the pump drive sub-system drives the pump to draw contrast media fluid from the supply into the pump through the fluid supply line and inject the contrast media fluid from the output of the pump through the extension line and into the arterial catheter at a controlled flow rate and/or pressure. | 09-18-2014 |
20140276616 | CATHETER-BASED DEVICES AND METHODS FOR IDENTIFYING SPECIFIC ANATOMICAL LANDMARKS OF THE HUMAN AORTIC VALVE - A valve-plane-defining catheter includes a hollow flexible sheath having a distal end and defining a distal opening, a guidewire assembly, and three radiopaque valve-nadir markers. The guidewire assembly has a guidewire slidably disposed in the flexible sheath and having a distal end, three wire arms each having a terminating end and a proximal end offset from the terminating end and attached to the distal end of the guidewire to dispose the three wire arms approximately 120 degrees from one another about a circle defined by the terminating end of the three wire arms. The three radiopaque valve-nadir markers disposed respectively at the terminating end of each of the three wire arms, each of the valve-nadir markers being sized to fit within the distal opening. | 09-18-2014 |
20140296962 | Actively Controllable Stent, Stent Graft, Heart Valve and Method of Controlling Same - A method for implanting a stent includes contracting a self-expanding/forcibly-expanding stent of a shape-memory material set to a given shape to a reduced implantation size with a delivery system having drive wires. The stent has a selectively adjustable assembly with adjustable elements operatively connected to the drive wires such that, when the adjustable elements are adjusted by the drive wires, a configuration change in at least a portion of the self-expanding stent occurs. The contracted stent is inserted into a native annulus in which the stent is to be implanted. The drive wires are rotated with the delivery system to forcibly expand the stent into the native annulus. While rotating the drive wires, a torque applied to the drive wires is determined with the delivery system. Rotation of the drive wires is stopped based upon a value of the determined torque. | 10-02-2014 |
20140371768 | Electrical Surgical Instrument with Optimal Tissue Compression - A surgical instrument comprising a tissue-compressing device comprising opposing compression surfaces, a switching element having first and second switching states changed solely by mechanical movements, a biasing element mechanically coupled to the switching element, the biasing element retaining the switching element in one of the first and second switching states until a pre-determined force is imparted to the switching element, wherein the pre-determined force is an amount of force proportional to an optimal tissue compression force of compressed tissue disposed between the opposing compression surfaces and the switching element is positioned in line with the tissue-compressing device to cause a force, proportional to a force placed upon compressed tissue disposed between the opposing compression surfaces, to be imparted to the switching element. | 12-18-2014 |