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Conduit with self-propelled or remote control means

Subclass of:

604 - Surgery

604019000 - MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.)

604048000 - Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin

604930010 - Material introduced or removed through conduit, holder, or implantable reservoir inserted in body

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
604950040 Having tensioning means to alter conduit shape 105
604950050 Having remote control for applying light, electricity, or heat to alter conduit shape (e.g., shape memory alloy, etc.) 12
604950030 Having flexible member (e.g., bellow, balloon, etc.) to propel conduit 6
604950020 Having port to expel fluid into body to propel conduit 3
20080319386Forwardly directable fluid jet crossing catheter - A forwardly directable fluid jet crossing catheter having a positionable jet body which can be longitudinally and rotationally positioned in order to direct a fluid jet stream to impinge, break through, and cross a chronic total occlusion. The distal end of the catheter includes a tip of super-elastic material having a flexible bend aligned within the distal portion of a sheath which tip is directable in response to the longitudinal and rotational orientation of a positionable jet body, whereby a fluid jet stream can be controlled in angular and rotational directions.12-25-2008
20090240197CENTRAL VENOUS CATHETERS AND RELATED EQUIPMENT - Systems, devices, and methods towards improved diagnosis and therapy in connection with central venous catheters (including PICC lines). Included among the many improvements broadly contemplated herein are: arrangements via which a venous catheter can move passively into position in central venous circulation; arrangements via which a catheter can be actively guided without the use of a needle or guide wire; arrangements via which a catheter can be packaged to facilitate easy, rapid, and positionally accurate deployment by medical personnel while maintaining device sterility; and arrangements via which a catheter tip can be imaged during and after insertion.09-24-2009
20110245765Method And Apparatus For Manipulating Movement of a Micro-Catheter - A medical device and method for manipulating movement of a micro-catheter, the device comprising an elongated tubular member having at least one lumen therein, wherein the lumen is proximally coupled to a pressurized fluid control system configured to regulate fluid flow through the elongated tubular member. An aperture is disposed near a distal end of the elongated tubular member, the aperture being in fluid communication with the at least one lumen. In one aspect, the aperture is oriented at an angle which is non parallel to the longitudinal axis of the elongated tubular member. A nozzle is coupled to the aperture, wherein the nozzle is configured to regulate pressurized flow out of the catheter to manipulate movement of the distal end of the elongated tubular member.10-06-2011
Entries
DocumentTitleDate
20110184345ERCP Catheter with a Removable Handle for Lithotriptor Compatible Basket - An ERCP catheter having a removable handle for a lithotriptor compatible basket is disclosed. The removable handle allows the catheter and handle assembly to be removed, leaving the basket in place within the duct and facilitates the use of a lithotriptor for mechanically crushing stone captured in the basket.07-28-2011
20130035636Delivery and Deployment Catheter for an Implantable Medical Device - A delivery catheter and method for delivering and deploying an implantable medical device include a mechanical latch by which the device can remain firmly attached at a single point of connection to the delivery catheter during deployment of the device. The delivery catheter provides simple yet firm control of the release mechanism to enable the clinician to confirm the accuracy of the deployment before releasing the tether or, if the placement of the device should be corrected, the tether can be maintained while the device is recaptured and repositioned or removed from the patient.02-07-2013
20110015569Robotic catheter system input device - An input device for a robotic medical system includes a handle configured to be rotatable about a center axis, and to be longitudinally displaceable along the center axis. The input device also includes a deflection control element disposed on the handle and configured to selectively control deflection of the distal end of a flexible medical instrument electrically coupled to the input device. Longitudinal displacement of the handle may cause or result in a corresponding longitudinal motion or deflection of the flexible medical instrument. Rotation of the handle may cause or result in a corresponding rotation of the deflection plane. Longitudinal displacement and rotation of the handle may be detected or sensed electronically.01-20-2011
20130066266SYSTEMS AND METHODS FOR DELIVERING THERAPEUTIC AGENTS TO SELECTED SITES IN A SUBJECT - Systems for delivering a therapeutic agent to a selected site in a subject are disclosed. These systems enable precise placement of selected amounts, e.g., very small amounts, of a therapeutic agent to a predetermined site or sites in a three dimensional array in a subject with minimal trauma to the subject. These delivery systems include a guide cannula for penetrating a selected site in a subject t a predetermined depth and a delivery cannula for delivering the therapeutic agent to the subject. The guide cannula has an axial bore extending therethrough with an open proximal end and an opening at a distal portion thereof. The delivery cannula has an axial bore extending therethrough, a flexible distal end portion, and an outer diameter which is less than the inner diameter of the guide cannula.03-14-2013
20110021984Robotic catheter system with dynamic response - An apparatus for maintaining a robotic catheter system in a responsive state includes a catheter, a plurality of linear translatable control elements, and a controller. In an embodiment, the catheter includes a proximal portion, a distal portion, and at least two steering wires. The steering wires may be configured at one end to control the movement of at least a portion of the distal portion of the catheter and at the other end for connection to a control member. In an embodiment, each control element may be configured to engage or interface with a respective control member, and the controller may be configured to measure a force exerted on at least one control member by a respective control element and further configured to linearly translate the control element to substantially maintain a force within a predetermined range.01-27-2011
20130165854MULTI-USER TOUCH-BASED CONTROL OF A REMOTE CATHETER GUIDANCE SYSTEM (RCGS) - A control system for a medical remote catheter guidance system includes an ECU, a computer-readable memory coupled to the ECU, and user interface (UI) logic stored in the memory configured to be executed by the ECU. The user interface logic receives input from a touch screen display with respect to a view of an anatomical model, associates a user type with the input, and interprets the input according to the associated user type and input. The user interface logic may be further configured to receive simultaneous inputs from at least two different users and to associate different user types with each of said simultaneous inputs. The user interface logic may associate each input with a user type according to a location of the input on the touch screen display.06-27-2013
20100087780Wire Guide having Variable Flexibility and Method of Use Thereof - The present invention generally relates to a medical surgical device and specifically a wire guide for percutaneous placement within a body lumen. The flexibility of the wire guide may be varied while it is in place within the body lumen. One embodiment of the wire guide includes and a distal tip positioned at the distal end of the coil. A plurality of core members are positioned side by side within the lumen. Methods of using the wire guide are also provided.04-08-2010
20130165856Rotate-to-Advance Catheterization System - An apparatus for accessing a bodily passageway includes: an endoscope including an insertion portion configured to inserted into the bodily passageway; a drive tube including a lumen configured to receive the endoscope; a helically-wound thread disposed on an outer wall of the drive tube and configured such that rotation of the drive tube causes the drive tube with the endoscope to move along the passageway; a flexible drive shaft configured to transfer rotary motion generated by a power supply; and a rotatable drive collar disposed on the endoscope and configured to rotate the drive tube relative to the endoscope, the rotatable drive collar including a stator, a rotor rotatable over the stator and detachably coupled to the drive tube, a rotary gear configured to transfer the rotary motion from the flexible drive shaft to the rotor to rotate the drive tube, and a watertight seal disposed between the stator and the rotor.06-27-2013
20090099514AUTOMATED INJECTION CATHETER DEVICE AND SYSTEM - A device and system for automating catheter needle injection has a first actuator that extends a needle past the distal end of the catheter, a second actuator that depresses a plunger to deliver injectate through the needle and an agitator assembly to agitate the injectate before it enters the needle. The device and system may also include a force sensor coupled to the plunger to sense pressure to detect occlusion, and an optical sensor to sense movement of the second actuator.04-16-2009
20100211006MEDICAL GUIDE WIRE TORQUING DEVICE AND METHOD OF APPLYING TORQUE USING THE DEVICE - A medical guide wire torquing device that includes an elongated body defining a longitudinal axis (A) and provided with an element for receiving the guide wire. The receiving element includes a through-going bore extending inside the elongated body and a clamping body for securing torque on the guide wire in response to application of an external force in a first position and for releasing the torque from the guide wire in a second position. The wall of the elongated body has a traversing opening, and an actuator is arranged in the traverse opening in contact with the clamping body for actuating the clamping body between the first and second positions. The torque is easy to manipulate using only one hand and can be placed lengthwise of the guide wire in alternate secured and released positions without kinking the guide wire.08-19-2010
20090171271Active Cannula for Bio-Sensing and Surgical Intervention - Disclosed is a surgical needle, or active cannula, that is capable of following a complex path through cavities and tissue within a patient's anatomy. The needle has a plurality of overlapping flexible tubes, each of which has a pre-formed curvature and a pre-determined flexibility. Each of the plurality of flexible tubes is selected based on their respective pre-formed curvature and flexibility so that a given overlap configuration causes the combination of overlapping flexible tubes to form a predetermined shape that substantially matches a desired path through the anatomy. By individually controlling the translation and angular orientation of each of the flexible tubes, the surgical needle may be guided through the anatomy according to the desired path.07-02-2009
20110301536Electrophysiology/ablation catheter having second passage - A deflectable tip cardiac electrophysiology/ablation lumen catheter includes first and second passages, one of which communicates with an inflatable member or balloon. The second passage terminates in an opening or port downstream of the inflatable member. The second passage is adapted to introduce a liquid during an electrophysiology study while the inflatable member prevents backflow of an injected liquid or dye and blood, or is adapted to alternatively receive a guide wire or other medical device therethrough.12-08-2011
20110295199PLANNING AND ASSEMBLY OF COMPENSATING CONCENTRIC CANNULAS - A specification for a device including a set of concentric cannulas may be discovered to have an actual path different from a desired path, due to interactions between cannulas that effect net curvature of the device. The choice of particular cannulas may be corrected by performing a calculation taking into account curvature affecting properties of the individual cannulas including radius of curvature, elasticity, and moment of inertia. This calculation is preferably performed iteratively starting with a most distal cannula and iterating through the cannulas to the proximal end, accumulating net effect of curvature affecting properties.12-01-2011
20090082722REMOTE NAVIGATION ADVANCER DEVICES AND METHODS OF USE - Various systems for advancing medical devices within a subject's body are provided that configured to engage the outer surface of the medical device at a number of points about the circumference of the medical device, to thereby grip the medical device for enabling advancement of the device. The advancing systems include engaging portions configured to engage the outer surface of a medical device at a number of points about the circumference of the medical device. The engaging portions preferably engage opposing sides of the medical device's outer surface over a predetermined longitudinal length, to clamp against a longitudinal portion of the medical device that provides improved surface contact with the medical device over conventional roller guides. Various methods for performing medical procedures utilizing various medical devices and advancer systems are also provided.03-26-2009
20090099513EXTENSION CONTROL HANDLE WITH ADJUSTABLE LOCKING MECHANISM - The present invention is directed to a needle control handle which allows a needle extension distance to be adjusted, set and locked. In one embodiment, the control handle has an outer body and a piston adapted for relative longitudinal movement to extend the needle. A first control knob is movable on the piston for adjusting and setting the distance of the needle extension. A second knob is provided for releasably locking the first control knob on the piston once the needle extension distance has been set. Each of the knobs has a contact surface that enables the knobs to mutually lock with and release from each other.04-16-2009
20100121269APPARATUS AND METHOD FOR SENSING FORCE ON A ROBOTICALLY CONTROLLED MEDICAL INSTRUMENT - A medical system comprises a medical probe including an elongated probe body, a lumen extending within the probe body, an axially flexible section, and a push-pull member slidably disposed within the lumen. The system comprises a ditherer mechanically coupled to the member for cyclically displacing it axially back and forth within the lumen, such that the ends of the probe body are axially displaced relative to each other via the axially flexible section. The system further comprises a sensor for sensing a force axially applied to the distal end of the probe body. A method comprises introducing a medical probe into a patient, axially dithering the distal end of the medical probe back and forth relative to the proximal end of the medical probe, and sensing a force applied between tissue of the patient and the distal end of the medical probe while the distal end is axially dithered.05-13-2010
20120143127APPARATUS AND METHOD FOR SHAPED MAGNETIC FIELD CONTROL FOR CATHETER, GUIDANCE, CONTROL, AND IMAGING - A variable magnet system for manipulating a magnetic catheter is described. In one embodiment, a cluster of electromagnets is configured to generate a desired magnetic field. In one embodiment, one or more poles of the cluster are moveable with respect to other poles in the cluster to allow shaping of the magnetic field. In one embodiment, one or more magnetic poles can be extended or retracted to shape the magnetic field. In one embodiment, the electromagnets can be positioned to generate magnetic fields that exert a desired torque and/or movement force on the catheter. In one embodiment, a magnetic field source is used to create a magnetic field of sufficient strength and orientation to move a magnetically-responsive catheter tip in a desired direction by a desired amount.06-07-2012
20080275388Catheter Handle and a Catheter Assembly Including Such a Handle - A catheter handle 11-06-2008
20120035540Event-based control of a lumen traveling device - Methods of controlling the operation of a device traveling in a body tube tree, including selecting a direction of travel based on information relating to a previous event associated with a possible direction of travel, implemented with a control system located partially or fully on the lumen traveling device. Various actions can be performed by the device for, e.g., medical or therapeutic purposes. Machine-readable media including instructions for performing the methods are also described.02-09-2012
20080255504USER INTERFACE FOR CONFIGURING AN INVASIVE CARDIOLOGY DIGITAL SIGNAL AMPLIFIER AND METHOD OF USE - Certain embodiments of the present invention provide systems and methods for catheter input management. Certain embodiments provide a user interface system facilitating catheter monitoring. The system includes a virtual catheter input module (CIM) corresponding to and representing a physical CIM that is adapted to be connected to at least one catheter. The system also includes a configuration module establishing a catheter configuration for the virtual CIM based on a plurality of configuration settings for a catheter channel. At least one catheter channel is assigned to a virtual input port on the virtual CIM. The configuration module applies the catheter configuration for at least one catheter channel when a catheter is connected to a physical input port on the physical CIM corresponding to the virtual input port on the virtual CIM.10-16-2008
20090137952ROBOTIC INSTRUMENT SYSTEMS AND METHODS UTILIZING OPTICAL FIBER SENSOR - Robotic medical instrument systems and associated methods utilizing an optical fiber sensors such as Bragg sensor optical fibers. In one configuration, an optical fiber is coupled to an elongate instrument body and includes a fiber core having one or more Bragg gratings. A controller is configured to initiate various actions in response thereto. For example, a controller may generate and display a graphical representation of the instrument body and depict one or more position and/or orientation variables thereof, or adjust motors of an instrument driver to reposition the catheter or another instrument. Optical fibers having Bragg gratings may also be utilized with other system components including a plurality of working instruments that are positioned within a sheath lumen, an instrument driver, localization sensors, and/or an image capture device, and may also be coupled to a patient's body or associated structure that stabilizes the body.05-28-2009
20090177151SURGICAL NEEDLE AND METHOD OF GUIDING A SURGICAL NEEDLE - A surgical assembly comprising a needle tip (07-09-2009
20090326449Control apparatus of catheter feeder - The invention is disclosed to a control apparatus of catheter feeder. It comprises two rotatable mechanisms and a transmittal device that can propel the guidewire into continuous motion comprising moving forward, moving backward, moving clockwise, and moving counter-clockwise. The invention comprises of a square frame and three gears that are meshed together and are referred to the first, second, and third gear, respectively. At the front of the third gear are the first and second sets of the idle wheels that can hold the guidewire tightly. The invention employs the mechanical gears to control movement of the guidewire.12-31-2009
20090024085Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens.01-22-2009
20090024084MULTI-LUMEN CATHETER ASSEMBLY AND METHOD OF PROVIDING RELATIVE MOTION THERETO - A handle for providing relative motion to a multi-lumen catheter assembly includes an elongated handle body having a longitudinal axis. The handle body has longitudinally spaced proximal and distal handle ends. An outer catheter chuck is connected to the distal handle end and is adapted to receive an outer catheter member. An inner catheter chuck is connected to the proximal handle end and is adapted to receive an inner catheter member. A handle actuator is movably connected to the handle body. The handle actuator is adapted to receive an intermediate catheter member and to move the intermediate catheter member relative to the inner and outer catheter members. The intermediate catheter is at least partially interposed between the inner and outer catheter.01-22-2009
20090054835CATHETER CONTROL - A catheter control assembly 02-26-2009
20110230828TUBING ASSEMBLY AND SIGNAL GENERATOR PLACEMENT CONTROL DEVICE AND METHOD FOR USE WITH CATHETER GUIDANCE SYSTEMS - A tubing assembly having a signal generator placement control device for use in conjunction with electronic catheter guidance systems. The control device facilitates control of the position the guidance systems' signal generator relative to the end of the tubing assembly. The tubing assembly includes a tubular insulator coupled to one end of the control device, and the tubing assembly includes a tubular connector attached to the other end of control device. Also, the tubing assembly includes a catheter attached to the tubular connector and an end member attached to the catheter.09-22-2011
20090221958User interface for remote control catheterization - A remote control catheterization system comprising: a propelling device, which controllably inserts a flexible, elongate probe into the body of a patient; and a control unit, in communication with the propelling device, and comprising user controls which are operated by a user of the system remote from the patient to control insertion of the probe into the body by the propelling device, wherein the user controls include an intuitive user interface comprising a handle that can be moved longitudinally, forward and back along a longitudinal axis, and also can be moved rotationally, in rotation around the longitudinal axis; the intuitive user interface comprising motion sensors that detect longitudinal motion and rotational motion of the handle and convert them to signals; and signal communication circuitry that communicates the signals to the control unit for commanding the propelling device to move the probe in respective direction and distance as the handle.09-03-2009
20100217184STEERABLE CATHETER HAVING INTERMEDIATE STIFFNESS TRANSITION ZONE - A flexible, steerable intravascular catheter includes an elongate flexible shaft having a heterogeneous or multi-zone stiffness profile or structure. A first or distal portion of the catheter shaft may have a substantially constant or distinct stiffness or flexibility, a second, intermediate or transition section is proximal relative to, and less flexible than, the first section, and a third section is proximal relative to, and also less more flexible than, the first section. The third section also includes a substantially constant or distinct stiffness or flexibility. The flexibility or stiffness of the second section varies along its length, e.g., in a substantially linear, step-like or ramp-like manner to provide a smooth or gradual transition between the stiffness of the first or distal section and the flexibility or stiffness of the third or proximal section.08-26-2010
20100228191LOCKABLE SUPPORT ASSEMBLY AND METHOD - Assemblies and methods related to controllably lockable support structures are described. An assembly may comprise an interface defined by two adjacent tubular structures whereby the adjacent structures may be spatially locked and unlocked relative to each other with application of a load. The tubular structures may comprise one or more spring members configured to deflect with application of a load greater than a preconfigured threshold, thereby causing a locking state of the interface to change from a first locking state to a second locking state. Embodiments are described wherein such load may be a tensile and/or compressive load. Various embodiments are described wherein an interface may be locked without application of a load and unlocked upon application of the requisite load, or locked only after application of a load.09-09-2010
20090076445Sterile catheter pullback mechanism assemblies - One aspect of the invention provides catheter pullback apparatuses in which a reusable drive component is enclosed in a sterile disposable barrier enclosure, such as a polymeric sheath/bag. In one embodiment, the reusable drive component includes a pullback carriage that is magnetically coupled, through the sterile barrier, to a slideable catheter shuttle adapted to retain a catheter hub of a catheter. In another embodiment, a sterile barrier-enclosed drive component is inserted into a housing, in which process a piercing tip provided on the catheter shuttle pierces the enclosure and mechanically mates the slideable catheter shuttle and pullback carriage. In this manner, non-sterility of the operating environment is minimized.03-19-2009
20120035539MAGNETICALLY GUIDED CATHETERS - A magnetically-guided catheter includes a tip positioning magnet in the distal electrode assembly configured to interact with externally applied magnetic fields for magnetically-guided movement. A magnetically-guided mapping catheter includes an electrically-conductive capsule in the form of a casing that includes a distal ablation surface and isolates the positioning magnet from bio-fluids to prevent corrosion. An open irrigation ablation catheter includes an isolated manifold that isolates the positioning magnet from contact with irrigation fluid to prevent corrosion.02-09-2012
20130218076MAGNETICALLY GUIDED CATHETER WITH CONCENTRIC NEEDLE PORT - A catheter adapted for ablation, mapping, injection, and directional control by an external magnetic system has a catheter body, an intermediate section, and a tip section having a tip electrode configured with an omnidirectional distal end and a concentric needle port. The tip electrode houses a magnetic device and a position sensor arranged in an integrated configuration, wherein the configuration facilitates a path in the tip section for a component, including an injection needle, to extend through the tip section for extension and retraction with reduced stress and friction. The integrated configuration is an efficient use of space in the tip electrode that allows the tip section to carry both the position sensor for determining location and orientation of the tip section and the necessary volume of magnetic or magnetizable material to accomplish magnetic navigation. The catheter also includes a very soft and flexible intermediate section and an even softer and more flexible distal transitional section carrying additional magnetic members to facilitate remote magnetic navigation.08-22-2013
20110028894Remotely Controlled Catheter Insertion System - A system for remotely controlling the positioning within the body of a patient of an elongated medical device optionally having a control handle, comprises a robotic system and a remote controller configured to control the robotic device. The robotic system comprises a handle controller; a sled member coupled to the handle controller, the sled member being configured to position the medical device within the body of the patient; and a sled base configured to advance the sled member towards the body of a patient, the sled bed being coupled to a sterile barrier effective to maintain sterility inside the sled base. A medical device introducer is effective to guide the elongated medical device into a patient's body.02-03-2011
20110130718Remote Manipulator Device - A system for operating a catheter having a distal end adapted to be navigated in the body, and a proximal end having a handle with a translatable control and a rotatable control for acting on the distal end of the device includes a support for receiving and engaging the handle of the catheter; a translation mechanism for advancing and retracting the support to advance and retract a catheter whose handle is received in the support; a rotation mechanism for rotating the support to rotate a catheter whose handle is received in the support; a translation operator for engaging the translatable control of a catheter whose handle is received in the support and operating the translatable control to act on the distal end of the device; and a rotation operator for engaging the rotatable control of a catheter whose handle is received in the support and operating the rotatable control to act on the distal end of the device.06-02-2011
20100069833CATHETER SYSTEM - A robotic catheter system is provided. The robotic catheter system includes a housing and a drive assembly coupled to the housing. The drive assembly is configured to impart movement to a catheter device. The catheter system includes a release structure permitting the drive assembly to be decoupled and removed from the housing without removing the catheter device from a patient.03-18-2010
20110077591Telescopic Guide Device for Catheters to Facilitate Their Insertion Into the Human Cardiovascular System - Telescopic guide device (03-31-2011
20120203168INSERTION DEVICE, TRAINING DEVICE, AND RECORDING SYSTEM - This insertion device is an insertion device for inserting a medical linear body in a vessel in a body, and it includes a drive device for moving the medical linear body in a direction of a longitudinal axis, a measurement device for measuring compressive force and pulling force in the direction of the longitudinal axis applied to the medical linear body, and a notification device for notifying an operator of compressive force and pulling force measured with the measurement device.08-09-2012
20130165855STEERABLE MULTI-LINKED DEVICE HAVING MULTIPLE WORKING PORTS - A steerable multi-linked device. The device includes a first multi-linked mechanism and a second multi-linked mechanism. The first mechanism defines a first plurality of grooves. The second mechanism defines a second plurality of grooves. The first and second pluralities of grooves cooperate to define at least two working ports along a length of the device. At least one of the first and second mechanisms are steerable.06-27-2013
20080243063ROBOTIC INSTRUMENT SYSTEMS CONTROLLED USING KINEMATICS AND MECHANICS MODELS - Robotic instrument systems and control implementations are disclosed. In one such system, an elongate guide instrument such as a guide catheter includes tension or deflection element such as a stainless steel wire or pull wire. An actuator, such as a servo motor, is operably coupled to the controller. The controller is configured to control actuation of the servo motor based on execution of a control model including a mechanics model that accounts for a force on the guide instrument. The control model may also utilize both kinematics and mechanics models. The controller is configured to control actuation of the actuator based the control model that includes the mechanics model such that the elongate guide instrument bends when the actuator moves the deflection member.10-02-2008
20110077590Interface for Actuating a Robotic Manipulator from a Remote Position for Manoeuvring Steerable Catheters in the Human Cardiovascular System - Interface for actuating a robotic manipulator (B) from a remote position for manoeuvring steerable catheters (C) in the human cardiovascular system, comprising a casing (03-31-2011
20100305502SYSTEMS AND METHODS FOR MEDICAL DEVICE ADVANCEMENT AND ROTATION - A system for moving an elongate medical device has at least one drive element for engaging and moving an elongate medical device. Various embodiments provide for moving the separate inner and outer elements of a telescoping medical device. Some systems also provide for the rotation of a rotatable distal element on a rotatable medical device or the rotation of extension element in a telescoping medical device.12-02-2010
20110264038INSERTION DEVICE - There is provided an insertion device allowing a doctor to alone perform an operation to insert a medical linear body. The insertion device, operated to insert a delivery wire (10-27-2011
20100022947INFLATABLE CHAMBER DEVICE FOR MOTION THROUGH A PASSAGE - A self-propelled device for locomotion through a lumen, comprising a set of serially arranged inflatable chambers, and incorporating a number of novel aspects. To enable easy insertion and use, the rigidity of the device is increased by means of rigid inserts in the balloons, or by use of stiff springs between segments. The working channel can be attached to the distal chamber of the device, such that it is pulled from the leading end of the device during inflation, rather than being pulled from the trailing end of the device during deflation. Lumen wall inspection or treatment facilities are enabled by means of a camera or treatment arm mounted between two distally positioned balloons, the device is able to provide observation capabilities to the lumen wall, yet without becoming excessively dirty by exposure to the front end of the device, as in prior art camera units.01-28-2010
20120232475Directional Anchoring Mechanism, Method And Applications Thereof - An anchoring mechanism and method for anchoring a device within a biological conduit include an expandable element configured for retaining the device at a desired angle relative to a central axis of the biological conduit. A steering mechanism is preferably provided for orienting the device prior to operation of the anchoring mechanism. The anchoring mechanism and method are employed in drug delivery devices, brachytherapy devices or for anchoring a catheter or sheath to provide a working channel for reliable guidance of a wide range of tools to a target location within the body.09-13-2012
20110166514AUTOMATED SYSTEM FOR THE CONTROLLED DEPLOYMENT OF NESTED CANNULA - A cannula control device (07-07-2011
20110166513Remotely Controlled Catheter Insertion System - A remotely controlled insertion system for a medical device is described. The system comprises a robotic device and a remote control mechanism. The robotic device has a handle controller to receive and hold the control handle or proximal end of a medical device. The medical device is capable of moving in up to six ranges of motion. In one embodiment a first motor is connected through a drive screw to a handle controller to move the medical device forward and backward. A second motor is connected to drive wheels effective to rotate the medical device clockwise and counter-clockwise. A third motor drives a series of gears that are connected to one or more control members on the medical device, this being effective to deflect a tip of the medical device so that movement of the third motor causes such deflection. A control unit is connected to all three motors.07-07-2011
20120209175DRIVE ASSEMBLY FOR FACILITATING DEPLOYMENT OF AN IMPLANTABLE MEDICAL DEVICE - A driver assembly (08-16-2012
20120209174Robotic catheter system and methods - The apparatus of one embodiment of the present invention is comprised of a flexible sheath instrument, a flexible guide instrument, and a tool. The flexible sheath instrument comprises a first instrument base removably coupleable to an instrument driver and defines a sheath instrument working lumen. The flexible guide instrument comprises a second instrument base removably coupleable to the instrument driver and is threaded through the sheath instrument working lumen. The guide instrument also defines a guide instrument working lumen. The tool is threaded through the guide instrument working lumen. For this embodiment of the apparatus, the sheath instrument and guide instrument are independently controllable relative to each other.08-16-2012
20120220931Remotely Controlled Catheter Insertion System - A remotely controlled insertion system for a medical device is described. The system comprises a robotic device and a remote control mechanism. The robotic device has a handle controller to receive and hold the control handle or proximal end of a medical device. The medical device is capable of moving in up to six ranges of motion. In one embodiment a first motor is connected through a drive screw to a handle controller to move the medical device forward and backward. A second motor is connected to drive wheels effective to rotate the medical device clockwise and counter-clockwise. A third motor drives a series of gears that are connected to one or more control members on the medical device, this being effective to deflect a tip of the medical device so that movement of the third motor causes such deflection. A control unit is connected to all three motors.08-30-2012
20100204646ROBOTIC MANIPULATOR FOR THE REMOTE MANEUVERING OF CATHETERS - Robotic manipulator for the remote manoeuvring of steerable catheters (C) in the human cardiovascular system, of the type for subjecting the catheter, by supporting its handle (D) and by stiffening its outer portion by means of a telescopic guide (E), to axial advance and retraction movements, to axial rotation in both directions, and to the necessary steering movements to enable the tip of the catheter to be steered through the twists and turns of the cardiovascular system of the patient (P) and to reach a predetermined point in this system, in a controlled, repeatable and safe way. The manipulator comprises a body (08-12-2010
20100174234METHOD AND APPARATUS FOR MAGNETICALLY CONTROLLING MOTION DIRECTION OF MECHANICALLY PUSHED CATHETER - The movement of a catheter through a medium, which may be living tissue such as a human brain, is controlled by mechanically pushing a flexible catheter having a magnetic tip through the medium and applying a magnetic field having a magnitude and a direction that guides the mechanically-pushed catheter tip stepwise along a desired path. The magnetic field is controlled in a Magnetic Stereotaxis System by a processor using an adaptation of a PID (proportional, integral, and derivative) feedback method. The magnetic fields are applied by superconducting coils, and the currents applied through the coils are selected to minimize a current metric.07-08-2010
20100174233VASCULAR GUIDEWIRE SYSTEM AND METHOD - A vascular guidewire system includes a tubular member which at least partially encloses a core wire. A first or distal gripper is connected with a handle to grip a proximal end portion of the tubular member. A second or proximal gripper is disposed in the handle and grips a proximal end portion of the core wire. A first or distal motor is disposed in the handle and is operable to rotate the core wire relative to the outer tubular member. A second or proximal motor is disposed in the handle and is operable to move the first or distal motor longitudinally relative to the handle to thereby move the core wire longitudinally relative to the outer tubular member. The second or proximal motor is disposed in a coaxial relationship with the first or distal motor. Rotational and/or longitudinally directed forces may be manually applied to the handle to move the tubular member and core wire relative to a patient's body.07-08-2010
20120172795INTUITIVE USER GUIDED CONFIGURATION ROUTINE - A user-guided configuration routine for use with a remote catheter guidance system configured to calibrate of one or more medical devices of the remote catheter guidance system with minimal user input. The user-guided configuration routine being configured to determine the appropriate configuration steps from diagnostic data received from the remote catheter guidance system or from a user.07-05-2012
20090105639CATHETER DRIVER SYSTEM - An apparatus for performing medical procedures on an anatomical body includes an extension with an element near its distal end to be extended into the body, and a driver that moves the extension axially into the body, and that causes flexure of the distal end of the extension. The movement and flexure of the extension is driven by the driver from the proximal end of the extension, and an electronic controller directs the operation of the driver.04-23-2009
20120253275MULTI-PLANE MOTION CONTROL MECHANISM - A hand-holdable steering mechanism is used as part of a medical device such as a catheter or an endoscope to allow movement of a steerable distal portion of the catheter or endoscope. The mechanism can include a housing and an actuation system. The actuation system is adapted for one-handed operation by a user, and it allows the user to achieve 360 degree articulation of the steerable distal portion. The actuation system can include a first actuator and a second actuator where the first and second actuators are movable with respect to each other. The first actuator can be at least partially disposed within the second actuator.10-04-2012
20120226227COAXIAL CATHETER SYSTEM - A medical system includes first and second medical probes in an arrangement and configured for insertion into a lumen or vessel of a patient, the first medical probe having indicia, and a detector is fixedly coupled to the second medical probe and configured for insertion into and advancement through the lumen or vessel along with the second medical probe, wherein the detector detects passage of the indicia as the first and second medical probes are moved relative to each other within the lumen or body vessel. An electromechanical driver is coupled to, and operable to move the first and second medical probes. A system controller is configured for directing the electromechanical driver to move the first and second medical probes relative to each other within the lumen or body vessel based on signals received from the detector when the detector is positioned within the lumen or body vessel.09-06-2012
20090018497MAGNETICALLY GUIDED CATHETER WITH CONCENTRIC NEEDLE PORT - A catheter adapted for ablation, mapping, injection, and directional control by an external magnetic system has a catheter body, an intermediate section, and a tip section having a tip electrode configured with an omnidirectional distal end and a concentric needle port. The tip electrode houses a magnetic device and a position sensor arranged in an integrated configuration, wherein the configuration facilitates a path in the tip section for a component, including an injection needle, to extend through the tip section for extension and retraction with reduced stress and friction. The integrated configuration is an efficient use of space in the tip electrode that allows the tip section to carry both the position sensor for determining location and orientation of the tip section and the necessary volume of magnetic or magnetizable material to accomplish magnetic navigation. The catheter also includes a very soft and flexible intermediate section and an even softer and more flexible distal transitional section carrying additional magnetic members to facilitate remote magnetic navigation.01-15-2009
20120232476STEERING SYSTEM AND A CATCHER SYSTEM - A steering system (09-13-2012
20110004157STEERABLE TUBE - A steerable tube (01-06-2011
20120265130MAGNETICALLY GUIDED CATHETER - A catheter includes a flexible tubing having a proximal end and a distal end. The catheter also includes an electrode assembly attached to the distal end of the flexible tubing and having a first magnet therein. The electrode assembly further includes an electrically conductive tip electrode and an electrically nonconductive coupler which is connected between the tip electrode and the distal end of the flexible tubing. The coupler and the tip electrode are coupled by an interlocking connection. The catheter also includes a second magnet spaced from the electrode assembly along a longitudinal axis of the tubing. The first magnet and the second magnet are responsive to an external magnetic field to selectively position and guide the electrode assembly within a body of a patient.10-18-2012
20120265131DEVICE, ESPECIALLY TUBE OR CATHETER, FOR AT LEAST PARTIALLY INTRODUCING INTO A BODY PASSAGE - The invention relates to a device (10-18-2012
20120089089METHODS OF MAGNETICALLY GUIDING AND AXIALLY ALIGNING DISTAL ENDS OF SURGICAL DEVICES - A magnetic alignment and guidance system is described for use during a surgical or diagnostic procedure within a patient to align and magnetically join the free ends of catheters to form a continuous channel. The system includes two magnetic couplers mounted on the ends of the catheters. One or both of the catheters may be attached to a surgical or diagnostic device, such as a trocar or an endoscope.04-12-2012
20120289897NAVIGABLE SYSTEM FOR CATHETER BASED ENDOVASCULAR NEUROSURGERY - A navigable system for catheter based endovascular neurosurgery including: a micro-motor (11-15-2012
20130018305DEVICES FOR CLEARING BLOCKAGES IN IN-SITU ARTIFICIAL LUMENS - A method for the in situ clearing of blockages in artificial tubes completely or partially disposed within a living being is described. The method includes coupling a first end of a releasably-securable flexible clearing member to a controller, inserting a second working end of the flexible clearing member into an opening in the artificial tube, energizing the controller such that said flexible clearing member experiences repetitive motion, and positioning the flexible clearing member such that the second working end of the flexible clearing member comes into repetitive contact with the blockage for clearing the blockage therein. The controller remains outside of the living being and the flexible clearing member clears the blockage when positioned within a straight portion or within a curved portion of the artificial tube.01-17-2013
20130018304DEVICES FOR CLEARING BLOCKAGES IN IN-SITU ARTIFICIAL LUMENS - A device for the in situ clearing of blockages in a tube includes a controller and a clearing member. The controller can have a housing and an actuator for generating repetitive motion. The clearing member can be releasably coupled to the controller and suitable for insertion in the tube. The tube can be at least partially disposed within a living being. The controller can be located external to the living being. The clearing member can have a first end releasably coupled to the actuator, at least one flexible section which permits axial displacement of the clearing member, and a second end suitable for repetitively engaging and disrupting the blockage. The flexible section permits the clearing member to repetitively engage and disrupt the blockage within one of a straight and a curved portion of the artificial tube.01-17-2013
20130018303ACTIVE CANNULA FOR BIO-SENSING AND SURGICAL INTERVENTION - A method for guiding a surgical cannula having a plurality of overlapping flexible tubes includes determining a desired cannula path; selecting the plurality of flexible tubes, wherein each of the flexible tubes within the plurality has a pre-formed curvature and a flexibility; determining a final overlap configuration of the plurality of flexible tubes such that a resulting curvature of the overlap configuration substantially corresponds to the desired cannula path; and determining a plurality of intermediate overlap configurations of the plurality of flexible tubes. Each of the intermediate configurations correspond to the desired cannula path.01-17-2013
20080243064SUPPORT STRUCTURE FOR ROBOTIC MEDICAL INSTRUMENT - A robotic medical instrument system including a catheter body and an elongate, flexible support member that includes substantially spherical elements and a plurality of non-spherical elements, such as cylindrical elements, which may be configured as a series of alternating substantially spherical and cylindrical elements. The support structure is bendable with the catheter body lumen. The substantially spherical and non-spherical elements may also collectively define a central, inner lumen. Bending of respective catheter body and the flexible support structure may be controllably by manipulation of the control element.10-02-2008
20120253276ROBOTICALLY GUIDED CATHETER - A system is used for robotically controlling movement of a human-controllable catheter, wherein the catheter has a distal end and at least one position sensor for generating or receiving signals used for determining six dimensions of location and orientation information of the distal end of the catheter. The system uses a robotic control mechanism for holding and manipulating a human-controllable catheter and a computer operatively communicating with the robotic control mechanism for driving the robotic control mechanism to (i) translationally move a distal end of a human-controllable catheter in a vicinity of a target, (ii) deflect a distal end of a human-controllable catheter, and (iii) rotate a human-controllable catheter in a vicinity of a target. The computer determines roll of a human-controllable catheter using six dimensions of location and orientation information based on signals generated or received from at least one position sensor on a human-controllable catheter.10-04-2012
20090105638SINGLE USE DEFLECTABLE STYLET - A single use, deflectable stylet 04-23-2009
20130096497CATHETERS WITH CONTROL MODES FOR INTERCHANGEABLE PROBES - A medical system including a catheter containing a mechanical system that is remotely operable uses a sensor to at least partly measure a pose of the catheter and a control system coupled to the mechanical system. The control system has multiple operating modes including one or more holding modes in which the control system operates the mechanical system to maintain a working configuration of the catheter based on feedback from the sensor.04-18-2013
20110224605ROBOTIC DEVICES WITH AGENT DELIVERY COMPONENTS AND RELATED METHODS - Various robotic devices and related medical procedures are disclosed herein. Each of the various robotic devices have an agent delivery component. The devices include mobile robotic devices and fixed base robotic devices as disclosed herein. The agent delivery component can have at least one agent reservoir and a discharge component in fluidic communication with the at least one reservoir.09-15-2011
20130158476SYSTEM AND METHOD FOR SYNCHRONIZING PHYSICAL AND VISUALIZED MOVEMENTS OF A MEDICAL DEVICE AND VIEWING ANGLES AMONG IMAGING SYSTEMS - A system and method for synchronizing movement of a device within a body with a desired movement of the device commanded through a user interface are provided: The system includes an electronic control unit (ECU) configured to determine a viewing angle of an imaging system that captures an image of the device within the body and generates the image on a display. The ECU is configured to receive a command through the user interface, the command indicative of the desired movement of the device on the display and to generate a control signal to control movement of the device within the body responsive to the command and the viewing angle. The ECU may further be configured to generate a model of a region of interest and illustrate the position of the device and to adjust a display angle of the model responsive to the viewing angle of the imaging system.06-20-2013
20130158477APPARATUS AND METHOD FOR SENSING FORCE ON A ROBOTICALLY CONTROLLED MEDICAL INSTRUMENT - A medical system comprises a medical probe including an elongated probe body, a lumen extending within the probe body, an axially flexible section, and a push-pull member slidably disposed within the lumen. The system comprises a ditherer mechanically coupled to the member for cyclically displacing it axially back and forth within the lumen, such that the ends of the probe body are axially displaced relative to each other via the axially flexible section. The system further comprises a sensor for sensing a force axially applied to the distal end of the probe body. A method comprises introducing a medical probe into a patient, axially dithering the distal end of the medical probe back and forth relative to the proximal end of the medical probe, and sensing a force applied between tissue of the patient and the distal end of the medical probe while the distal end is axially dithered.06-20-2013
20110319815FIBER OPTIC INSTRUMENT SENSING SYSTEM - Systems are described herein that improve control of a shapeable or steerable instrument using shape data. Additional systems use such shape data for improved mapping or adjusting models of the instrument. Such systems include robotic medical systems for controlling a shapeable instrument within an anatomical region having a controller, one or more actuators, and a localization system for guiding one or more shapeable instruments.12-29-2011
20120071821SYSTEMS AND METHODS FOR MANIPULATING AN ELONGATE MEMBER - System and methods for manipulating and positioning elongated flexible members are described herein. In on variation, an elongate member manipulator includes an elongate member holder having first and second rotary members configured to hold an elongate member, wherein the rotary members are actuated in opposite rotational directions to generate a corresponding linear motion of the elongate member held by the rotary members along a longitudinal axis of the elongate member, and wherein the rotary members are actuated in opposite linear directions to generate a corresponding rotational motion of the elongate member held by the rotary members about the longitudinal axis of the elongate member.03-22-2012

Patent applications in class Conduit with self-propelled or remote control means

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