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Details for Patent: 9,179,825

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Details for Patent: 9,179,825

Title:Positioning system for manipulating a channel within a medical device
Abstract: Embodiments of the invention include a medical device for accessing a patient's body portion and used for diagnosis and treatment of medical conditions. Embodiments of the invention may include a particular endoscopic positioning mechanism for placing an endoscope and an additional treatment device within desired body portions in order to assist in diagnosis and treatment of anatomical diseases and disorders. In particular, a medical device according to an embodiment of the invention includes a positioning mechanism configured for movement through at least two degrees of freedom.
Inventor(s): Geitz; Kurt (Sudbury, MA), Tinkham; Brian (Scituate, MA)
Assignee: Boston Scientific Scimed, Inc. (Maple Grove, MN)
Filing Date:Jun 23, 2014
Application Number:14/312,208
Claims:1. An endoscopic device, comprising: a bendable outer tube comprising a lumen; a bendable inner tube, comprising: a distal end, and a lumen, wherein the inner tube is received in the lumen of the outer tube, and the inner tube is rotatable relative to the outer tube; and a positioning mechanism at the distal end of the inner tube, the positioning mechanism comprising a surface for engaging an instrument received in the lumen of the inner tube, wherein the surface is configured to be tilted proximally toward the distal end of the inner tube, and wherein the surface is configured to rotate relative to the outer tube upon rotation of the inner tube relative to the outer tube.

2. The device of claim 1, wherein the positioning mechanism comprises a wire operatively coupled to the surface of the positioning mechanism, and exertion of a force on the wire in a proximal direction tilts the surface toward the distal end of the inner tube.

3. The device of claim 1, wherein the positioning mechanism comprises a lever, and the surface of the positioning mechanism is a surface of the lever.

4. The device of claim 3, wherein the lever is rotatable relative to the distal end of the inner tube, about a hinge coupling the lever and the distal end of the inner tube.

5. The device of claim 1, wherein the outer tube comprises a sidewall with an aperture opening into the lumen of the outer tube.

6. An endoscopic device, comprising: a bendable outer tube comprising a lumen; a bendable inner tube, comprising: a distal end, a central longitudinal axis extending along a first direction, and a lumen, wherein the inner tube is received in the lumen of the outer tube, and the inner tube is rotatable relative to the outer tube about the central longitudinal axis; and a positioning mechanism at the distal end of the inner tube, the positioning mechanism comprising a surface for engaging an instrument received in the lumen of the inner tube, wherein the surface is configured to be rotated relative to the distal end of the inner tube about a rotational axis extending along a second direction transverse to the first direction, and wherein the surface is configured to rotate relative to the outer tube, about the central longitudinal axis of the inner tube, upon rotation of the inner tube relative to the outer tube.

7. The device of claim 6, wherein the positioning mechanism comprises a lever, and the surface of the positioning mechanism is a surface of the lever.

8. The device of claim 7, wherein the lever is rotatable about the rotational axis and about the central longitudinal axis of the inner tube.

9. The device of claim 7, wherein the lever comprises a proximal end rotatably coupled to a tapering portion of the distal end of the inner tube.

10. The device of claim 7, wherein the lever comprises a distal end coupled to a pull wire, the pull wire extending proximally from the distal end of the lever toward a proximal end of the outer tube.

11. An endoscope system, comprising: an outer tube comprising a lumen; a deflection mechanism received in the lumen of the outer tube, the deflection mechanism comprising: an inner tube, comprising: a distal end, a central longitudinal axis, and a lumen configured to receive an elongate instrument, wherein the inner tube is rotatable relative to the outer tube, and a deflection lever rotatably coupled to the distal end of the inner tube, the deflection lever being rotatable relative to the distal end of the inner tube between a first position and a second position, wherein in the first position a portion of the elongate instrument is deflected to a first angle relative to the central longitudinal axis of the inner tube, and in the second position the portion of the elongate instrument is deflected to a second angle relative to the central longitudinal axis of the inner tube, the second angle having a different value than the first angle, and wherein the deflection lever is configured to rotate relative to the outer tube upon rotation of the inner tube relative to the outer tube.

12. The endoscope system of claim 11, wherein the inner tube is rotatable relative to the outer tube about the central longitudinal axis of the inner tube.

13. The endoscope system of claim 11, wherein the deflection mechanism comprises a rotational axis rotatably coupling the deflection lever to the distal end of the inner tube.

14. The endoscope system of claim 13, wherein the rotational axis extends transverse to the central longitudinal axis of the inner tube.

15. The endoscope system of claim 14, wherein the rotational axis comprises a hinge pin.

16. The endoscope system of claim 13, wherein the rotational axis extends through a proximal end of the deflection lever and a tapering portion of the distal end of the inner tube.

17. The endoscope system of claim 11, wherein the deflection mechanism comprises a wire coupled to a distal end of the deflection lever.

18. The endoscope system of claim 17, wherein the wire extends through the outer tube to an endoscope handle, the endoscope handle being configured to selectively exert a proximal force on the wire to pull the distal end of the deflection lever in a proximal direction.
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