According to an aspect of the present disclosure, an endoscopic surgical device is provided and includes a handle assembly; a tube assembly operatively supported on and extending from the handle assembly, the tube assembly defining a longitudinal axis; an articulation assembly operatively supported
According to an aspect of the present disclosure, an endoscopic surgical device is provided and includes a handle assembly; a tube assembly operatively supported on and extending from the handle assembly, the tube assembly defining a longitudinal axis; an articulation assembly operatively supported on and extending from a distal end of the tube assembly; and a tool assembly operatively supported on and extending from a distal end of the articulation assembly. In use, a rotation of the handle assembly about the longitudinal axis results in a concomitant rotation of the tool assembly; an actuation of the handle assembly in a particular manner results in a concomitant actuation of the tool assembly; and a pivoting of the handle assembly in any off-axis direction relative to the longitudinal axis results in a concomitant articulation of the tool assembly via the articulation assembly.
대표청구항▼
1. An endoscopic surgical device, comprising: a handle assembly defining a longitudinal axis, the handle assembly including: an articulation joint configured for off-axis tilting relative to the longitudinal axis;a rotation collar configured for rotation about the longitudinal axis, the rotation col
1. An endoscopic surgical device, comprising: a handle assembly defining a longitudinal axis, the handle assembly including: an articulation joint configured for off-axis tilting relative to the longitudinal axis;a rotation collar configured for rotation about the longitudinal axis, the rotation collar having a keyed member disposed therein, wherein the rotation collar and the keyed member are connected to one another such that rotation of the rotation collar transmits rotation to the keyed member and such that the keyed member is axially movable relative to the rotation collar, the rotation collar disposed proximal of the articulation joint; andan actuation member configured for axial translation along the longitudinal axis, the actuation member disposed proximal of the rotation collar;a tube assembly operatively supported on and extending from the handle assembly, the tube assembly including: a fixed outer tube; andan inner shaft slidably and rotatably disposed in the outer tube, the inner shaft being connected to the keyed member and the actuation member, wherein rotation of the rotation collar results in rotation of the inner shaft and axial translation of the actuation member results in axial translation of the inner shaft;an articulation assembly operatively supported on and extending from a distal end of the tube assembly, wherein the articulation assembly is configured for articulation in at least two axes transverse to the longitudinal axis, wherein the articulation assembly is controlled by the tilting of the articulation joint as a whole about a single pivot; anda tool assembly operatively supported on and extending from a distal end of the articulation assembly, wherein a distal end of the inner shaft is connected to the tool assembly such that axial translation of the inner shaft results in a first operation of the tool assembly and rotation of the inner shaft results in a second operation of the tool assembly. 2. The endoscopic surgical device according to claim 1, wherein the articulation assembly includes a plurality of joints operatively connected to one another, wherein the plurality of joints includes at least one knuckle permitting articulation in a first transverse direction relative to the longitudinal axis, and at least one knuckle permitting articulation in a second transverse direction relative to the longitudinal axis. 3. The endoscopic surgical device according to claim 2, wherein the at least one knuckle permitting articulation in the first transverse direction and the at least one knuckle permitting articulation in the second transverse direction are oriented substantially orthogonal to one another. 4. The endoscopic surgical device according to claim 1, wherein the articulation joint is a ball joint configured for radial articulation in any direction around the longitudinal axis, and the handle assembly includes a plurality of articulation cables each having a first end connected to the ball joint and each having a second end slidably extending through the tube assembly and the articulation assembly and being connected to the tool assembly, wherein tilting of the handle assembly about the ball joint, relative to the longitudinal axis, results in concomitant articulation of the tool assembly. 5. The endoscopic surgical device according to claim 4, wherein at least four evenly spaced articulation cables are provided around a central axis of the tube assembly. 6. The endoscopic surgical device according to claim 4, wherein as the handle is tilted off-axis, the ball joint exerts a force in a proximal direction on at least one of the plurality of articulation cables resulting in the concomitant articulation of the tool assembly. 7. The endoscopic surgical device according to claim 4, wherein the handle assembly includes a spool defining a central lumen therethrough and an off-set lumen for each of the plurality of articulation cables. 8. The endoscopic surgical device according to claim 7, wherein the spool defines a concave proximal surface configured for engagement with the ball joint. 9. The endoscopic surgical device according to claim 7, wherein the spool defines a concave annular outer surface. 10. The endoscopic surgical device according to claim 1, wherein the tool assembly includes a pair of juxtaposed jaws, wherein a distal end of the inner shaft is operatively connected to the jaws such that a reciprocation of inner shaft relative to the outer tube results in an opening and closing of the jaws, and a rotation of the inner shaft relative to the outer tube results in a rotation of the jaws. 11. The endoscopic surgical device according to claim 10, wherein each jaw defines a cam slot therein and wherein a cam pin is slidably disposed within each cam slot defined in the jaws, and wherein the cam pin is connected to the inner shaft such that translation of the inner shaft results in translation of the cam pin through the cam slots. 12. The endoscopic surgical device according to claim 1, wherein the keyed member defines at least one outer longitudinally extending groove and wherein the rotation collar includes at least one corresponding guide projecting into a respective groove of the keyed member, wherein rotation of the rotation collar imparts rotation to keyed member and the inner shaft and wherein the keyed member and the inner shaft are axially translatable relative to the rotation collar. 13. The endoscopic surgical device according to claim 1, wherein the inner shaft is bendable and is capable of transmitting rotational forces and axial forces. 14. An endoscopic surgical device, comprising: a handle assembly defining a longitudinal axis, the handle assembly including: an articulation joint configured for omni-directional off-axis tilting relative to the longitudinal axis;a rotation collar configured for rotation about the longitudinal axis, the rotation collar disposed proximal of the articulation joint; andan actuation member configured for axial translation along the longitudinal axis, the actuation member disposed proximal of the rotation collar;a tube assembly operatively supported on and extending from the handle assembly, the tube assembly including: a fixed outer tube; andan inner shaft slidably and rotatably disposed in the outer tube, wherein the inner shaft is connected to the rotation collar and the actuation member such that rotation of the rotation collar results in rotation of the inner shaft and axial translation of the actuation member results in axial translation of the inner shaft;an articulation assembly operatively supported on and extending from a distal end of the tube assembly, wherein the articulation assembly is configured for omni-directional articulation concomitant with the omni-directional tilting of the articulation joint as a whole about a single pivot; anda tool assembly operatively supported on and extending from a distal end of the articulation assembly, wherein a distal end of the inner shaft is connected to the tool assembly such that axial translation of the inner shaft results in a first operation of the tool assembly and rotation of the inner shaft results in a second operation of the tool assembly. 15. The endoscopic surgical device according to claim 14, wherein the rotation collar includes a keyed member disposed therein, wherein the rotation collar and the keyed member are connected to one another such that rotation of the rotation collar transmits rotation to the keyed member and such that the keyed member is axially movable relative to the rotation collar. 16. The endoscopic surgical device according to claim 15, wherein the inner shaft is connected to the keyed member and the actuation member. 17. The endoscopic surgical device according to claim 15, wherein the keyed member defines at least one outer longitudinally extending groove and wherein the rotation collar includes at least one corresponding guide projecting into a respective groove of the keyed member, wherein rotation of the rotation collar imparts rotation to keyed member and the inner shaft and wherein the keyed member and the inner shaft are axially translatable relative to the rotation collar. 18. The endoscopic surgical device according to claim 14, wherein the articulation assembly includes a plurality of joints operatively connected to one another, wherein the plurality of joints includes at least one knuckle permitting articulation in a first transverse direction relative to the longitudinal axis, and at least one knuckle permitting articulation in a second transverse direction relative to the longitudinal axis. 19. The endoscopic surgical device according to claim 18, wherein the at least one knuckle permitting articulation in the first transverse direction and the at least one knuckle permitting articulation in the second transverse direction are oriented substantially orthogonal to one another. 20. The endoscopic surgical device according to claim 14, wherein the articulation joint is a ball joint, and the handle assembly includes a plurality of articulation cables each having a first end connected to the ball joint and each having a second end slidably extending through the tube assembly and the articulation assembly and being connected to the tool assembly, wherein tilting of the handle assembly in any direction about the ball joint, relative to the longitudinal axis, results in concomitant articulation of the tool assembly. 21. The endoscopic surgical device according to claim 20, wherein at least four evenly spaced articulation cables are provided around a central axis of the tube assembly. 22. The endoscopic surgical device according to claim 21, wherein as the handle is tilted off-axis, the ball joint exerts a force in a proximal direction on at least one of the plurality of articulation cables resulting in the concomitant articulation of the tool assembly. 23. The endoscopic surgical device according to claim 20, wherein the handle assembly includes a spool defining a central lumen therethrough and an off-set lumen for each of the plurality of articulation cables. 24. The endoscopic surgical device according to claim 23, wherein the spool defines a concave proximal surface configured for engagement with the ball joint. 25. The endoscopic surgical device according to claim 23, wherein the spool defines a concave annular outer surface. 26. The endoscopic surgical device according to claim 14, wherein the tool assembly includes a pair of juxtaposed jaws, wherein the distal end of the inner shaft is operatively connected to the jaws such that a reciprocation of inner shaft relative to the outer tube results in an opening and closing of the jaws, and a rotation of the inner shaft relative to the outer tube results in a rotation of the jaws. 27. The endoscopic surgical device according to claim 26, wherein each jaw defines a cam slot therein and wherein a cam pin is slidably disposed within each cam slot defined in the jaws, and wherein the cam pin is connected to the inner shaft such that translation of the inner shaft results in translation of the cam pin through the cam slots. 28. The endoscopic surgical device according to claim 14, wherein the inner shaft is bendable and is capable of transmitting rotational forces and axial forces.
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