SYSTEMS AND METHODS FOR MEDICAL DEVICE ADVANCEMENT AND ROTATION
7 Assignments
0 Petitions
Accused Products
Abstract
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.
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Citations
60 Claims
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1-21. -21. (canceled)
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22. A device motion control mechanism for moving at least one elongate medical device, the mechanism comprising:
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a drive base having a plurality of slots, each slot having an open top and opposed sides therein; a first plurality of pairs of opposed wheels, each pair on opposite sides of a corresponding slot; a drive mechanism configured for connection to a plurality of motors, each motor configured to turn at least one wheel of a corresponding pair of opposed wheels; a rotary sleeve into which the device may pass for engagement with the sleeve, which sleeve together with device may be axially rotated by means of engagement with a second plurality of opposed wheels, and for each first pair of wheels, a cover movably mounted on the drive base for movement between a loading position in which the top of a slot is open to allow a portion of at least one elongate device to be inserted into the open slot between the corresponding pair of wheels, and a drive position in which the cover at least partially blocks the top of a slot to retain at least one elongate device therein. - View Dependent Claims (23, 24)
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25. A device motion control system for moving at least one elongate medical device within a body, the system comprising:
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an advancer and axial rotation mechanism having a drive base with a plurality of slots, each slot having an open top and a pair of opposed wheels on opposed sides of the slot, each wheel pair, when in a drive position, configured to engage at least one elongate device placed lengthwise in the slot; a plurality of motors connected to the advancer and axial rotation mechanism, each motor configured to turn at least one wheel of a corresponding wheel pair; and a user-operable control system configured to control the motors. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32-38. -38. (canceled)
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39. A method of moving a plurality of elongate medical devices having proximal and distal ends, the method comprising:
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inserting a portion of a first elongate device lengthwise into a slot in a base of a first advancer and between a first opposed pair of wheels; inserting a portion of a second elongate device lengthwise into a slot in a base of a second advancer and between a second opposed pair of wheels, where a portion of at least one of the first or second elongate device are inserted through and engage a rotatable sleeve; engaging the first device between the first wheel pair and the second device between the second wheel pair; and selectively turning at least one wheel of at least one of the wheel pairs to cause elongate movement of at least one of the devices. - View Dependent Claims (41, 42, 43, 44)
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40. (canceled)
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45-49. -49. (canceled)
- 50. A telescoping medical device and driver combination, the telescoping medical device comprising an outer sheath and an inner core slidably disposed in the outer sheath and telescopable from the distal end thereof, and the driver comprising a first drive that compressibly engages the outer sheath sufficiently to cause the outer sheath to frictionally engage the inner core therein to drive the inner core and outer sheath together, and a second drive that engages the inner core sufficiently to drive the inner core to overcome the inner and outer core without overcoming the compressible engagement between the first drive and the outer sheath, where at least one of outer sheath or inner core may be axially rotated by an axial rotation mechanism.
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51-52. -52. (canceled)
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55-58. -58. (canceled)
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59. An drive unit for remotely controlling the motion of a catheter and associated sheath, the drive unit comprising:
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a base; a shuttle slideably mounted on the base; a catheter mover for engaging a catheter, mounted on the shuttle; a sheath mover having a sheath bracket for engaging a sheath that surrounds the catheter, slideably mounted on the shuttle, the sheath mover being movable relative to the shuttle to advance and retract the sheath relative to the catheter; and
the bracket being rotatable;the shuttle being movable relative to the base for coordinated advancement and retraction of the catheter and sheath;
the sheath mover being movable relative to the shuttle for advancement and retraction of the sheath relative to the catheter, and the bracket being rotatable for rotation of the sheath. - View Dependent Claims (60)
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Specification