The invention provides an articulating mechanism useful, for example, for remote manipulation of various surgical instruments and diagnostic tools within, or to, regions of the body. Movement of segments at the proximal end of the mechanism results in a corresponding, relative movement of segments a
The invention provides an articulating mechanism useful, for example, for remote manipulation of various surgical instruments and diagnostic tools within, or to, regions of the body. Movement of segments at the proximal end of the mechanism results in a corresponding, relative movement of segments at the distal end of the mechanism. The proximal and distal segments are connected by a set of cables in such a fashion that each proximal segment forms a discrete pair with a distal segment. This configuration allows each segment pair to move independently of one another and also permits the articulating mechanism to undergo complex movements and adopt complex configurations. The articulating mechanisms may also be combined in such a way to remotely mimic finger movements for manipulation of an object or body tissue.
대표청구항▼
1. An endoscope comprising: a proximal articulating mechanism;a distal articulating mechanism;multiple pairs of links, each pair including a proximal link located in the proximal articulating mechanism and a distal link located in the distal articulating mechanism, each proximal link being maintaine
1. An endoscope comprising: a proximal articulating mechanism;a distal articulating mechanism;multiple pairs of links, each pair including a proximal link located in the proximal articulating mechanism and a distal link located in the distal articulating mechanism, each proximal link being maintained in a spaced apart relationship relative to the distal link of the pair, each link including a plurality of radially spaced channels;a locking mechanism to fix the pairs of links in a particular configuration; andmultiple sets of cables, each set connecting the links of a discrete pair by extending through and occupying at least two of the plurality of radially spaced channels and terminating at the links of the discrete pair such that movement of the proximal link of the pair causes corresponding relative movement of the distal link of the pair,wherein at least some of the links comprise a ball and socket configuration and the locking mechanism comprises a locking cable,wherein each of the plurality of radially spaced channels is configured to receive a single cable and each of the discrete pairs of links includes a different number of occupied channels and a different number of unoccupied channels,wherein each of the proximal links located in the proximal articulating mechanism is movable in multiple degrees of freedom about a proximal link pivot disposed between adjacent proximal links, andwherein each of the distal links located in the distal articulating mechanism is movable in multiple degrees of freedom about a distal link pivot disposed between adjacent distal links. 2. The endoscope of claim 1, wherein each set of cables is dedicated to connecting the links of a discrete pair to one another. 3. The endoscope of claim 1, wherein the proximal articulating mechanism and the distal articulating mechanism are each formed of a plurality of links generally aligned along a longitudinal axis. 4. The endoscope of claim 3, wherein the longitudinal axis of the proximal articulating mechanism is generally parallel to the longitudinal axis of the distal articulating mechanism. 5. The endoscope of claim 3, wherein the longitudinal axis of the proximal articulating mechanism is generally not parallel to the longitudinal axis of the distal articulating mechanism. 6. The endoscope of claim 5, wherein the longitudinal axis of the proximal articulating mechanism is generally perpendicular to the longitudinal axis of the distal articulating mechanism. 7. The endoscope of claim 3, further comprising a handle located between the proximal articulating mechanism and the distal articulating mechanism, the proximal articulating mechanism extending from the handle. 8. The endoscope of claim 7, further comprising an insertion tube located distally from the handle. 9. The endoscope of claim 8, wherein the distal articulating mechanism constitutes generally all of the insertion tube. 10. The endoscope of claim 8, wherein the distal articulating mechanism constitutes only a portion of the insertion tube. 11. The endoscope of claim 3, further comprising a handle extending from the proximal articulating mechanism, the proximal articulating mechanism being located between the handle and the distal articulating mechanism. 12. An endoscope comprising: a proximal articulating mechanism;a distal articulating mechanism;at least three discrete pairs of consecutive links, each pair including a proximal link located in the proximal articulating mechanism and a distal link located in the distal articulating mechanism, each proximal link being maintained in a spaced apart relationship relative to the distal link of the pair, each link including a plurality of radially spaced channels; andmultiple sets of cables, each set connecting the links of one of the discrete pairs of links by extending through and occupying at least two of the plurality of radially spaced channels and terminating at the links of the discrete pair such that movement of the proximal link of the pair causes corresponding relative movement of the distal link of the pair,wherein each of the plurality of radially spaced channels is configured to be occupied by a single slip fit cable and each pair of the at least three discrete pairs of consecutive links includes a different number of occupied channels and a different number of unoccupied channels,wherein each of the proximal links located in the proximal articulating mechanism is movable in multiple degrees of freedom about a proximal link pivot disposed between adjacent proximal links, andwherein each of the distal links located in the distal articulating mechanism is movable in multiple degrees of freedom about a distal link pivot disposed between adjacent distal links. 13. The endoscope of claim 12, wherein each link comprises a central channel extending through the link portion thereof. 14. The endoscope of claim 12, further comprising a handle located between the proximal articulating mechanism and the distal articulating mechanism, the proximal articulating mechanism extending from the handle. 15. The endoscope of claim 14, further comprising an insertion tube located distally from the handle.
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