Gross positioning device and related systems and methods

1. A gross positioning system, the system comprising:

a) a base;

b) a first arm link operably coupled to the base at a first rotational joint;

c) a second arm link operably coupled to the first arm link at a second rotational joint;

d) a third arm link operably coupled to the second arm link, wherein the third arm link is rotatable about a third rotational joint, wherein the third arm link is configured to be positionable through an incision in a patient;

e) a slidable coupling component slidably coupled to the third arm link such that the slidable coupling component is movable along a length of the third arm link between an extended position and a retracted position, wherein the slidable coupling component is configured to be coupleable to a robotic surgical device; and

f) an actuator operably coupled to the slidable coupling component, wherein the actuator is movable between a fixed position and an unfixed position, wherein, when the actuator is in the unfixed position, the slidable coupling component is movable along the length of the third arm link between the extended position and the retracted position, and wherein, when the actuator is in the fixed position, the slidable coupling component is fixed at a position either at the extended position, at the retracted position, or at a point between the extended position and the retracted position.

2. The gross positioning system of claim 1 , wherein an axis of rotation of the first rotational joint, an axis of rotation of the second rotational joint, and an axis of rotation of the third rotational joint intersect at a single point of intersection.

3. The gross positioning system of claim 2 , wherein the single point is a spherical joint.

4. The gross positioning system of claim 2 , wherein the single point of intersection is disposed at some point along a portion of the robotic surgical device when the robotic surgical device is coupled to the slidable coupling component.

5. The gross positioning system of claim 2 , wherein the gross positioning system is positioned such that the single point of intersection is disposed at an incision in a patient.

6. The gross positioning system of claim 5 , wherein the third arm link is disposed through the single point of intersection.

7. The gross positioning system of claim 2 , wherein the single point of intersection is disposed at an insertion point of a patient.

8. The gross positioning system of claim 7 , wherein the insertion point comprises an incision or a natural orifice.

9. The gross positioning system of claim 7 , wherein the third arm link is disposed through the single point of intersection.

10. The gross positioning system of claim 1 , wherein the robotic surgical device comprises at least one arm, wherein the gross positioning system and robotic surgical device are configured to operate together to position the robotic surgical device within a body cavity of a patient.

11. The gross positioning system of claim 10 , further comprising a controller operably coupled to the gross positioning system and the robotic surgical device.

12. A gross positioning system for use with a robotic surgical device, the system comprising:

a) a base;

b) a first arm link operably coupled to the base at a first rotational joint;

c) a second arm link operably coupled to the first arm link at a second rotational joint;

d) a third arm link operably coupled to the second arm link at a third rotational joint;

e) a slidable coupling component slidably coupled to the third arm link;

f) an actuator operably coupled to the slidable coupling component, wherein the actuator is movable between a fixed position and an unfixed position, wherein, when the actuator is in the unfixed position, the slidable coupling component is movable along a length of the third arm link between an extended position and a retracted position, and wherein, when the actuator is in the fixed position, the slidable coupling component is fixed at a position either at the extended position, at the retracted position, or at a point between the extended position and the retracted position; and

g) the robotic surgical device operably coupled to the slidable coupling component, the robotic surgical device comprising:

i) a device body;

ii) a first arm operably coupled to the device body, the first arm comprising at least one first actuator; and

iii) a second arm operably coupled to the device body, the second arm comprising at least one second actuator,

wherein the third arm link is positionable through an insertion point in a patient such that the robotic surgical device is positionable within a body cavity of the patient.

13. The gross positioning system of claim 12 , wherein an axis of rotation of the first rotational joint, an axis of rotation of the second rotational joint, and an axis of rotation of the third rotational joint intersect at a single point of intersection and the third arm link is disposed through the single point of intersection.

14. An external gross positioning system for use with an internal robotic surgical device, the system comprising:

(a) a base;

(b) a first arm link operably coupled to the base at a first rotational joint;

(c) a second arm link operably coupled to the first arm link at a second rotational joint;

(d) a third arm link operably coupled to the second arm link at a third rotational joint;

(e) a slidable coupling component slidably coupled to the third arm link such that the slidable coupling component is moveable along a length of the third arm link between an extended position and a retracted position, wherein the slidable coupling component is configured to be coupleable to the robotic surgical device;

(f) a handle operably coupled to the slidable coupling component, wherein the handle is movable between a fixed position and an unfixed position, wherein, when the handle is in the unfixed position, the slidable coupling component is movable along the length of the third arm link between the extended position and the retracted position, and wherein, when the handle is in the fixed position, the slidable coupling component is fixed at a position either at the extended position, at the retracted position, or at a point between the extended position and the retracted position; and

(g) a single point of intersection of an axis of rotation of the first rotational joint, an axis of rotation of the second rotational joint, and an axis of rotation of the third rotational joint, wherein the single point of intersection is disposed at an insertion point of a patient.

15. The gross positioning system of claim 14 , wherein a portion of the third arm link is disposed through the single point of intersection.

16. The gross positioning system of claim 14 , wherein a portion of the robotic surgical device is disposed through the single point of intersection.

17. The gross positioning system of claim 14 , wherein the insertion point is an incision.

18. The gross positioning system of claim 14 , wherein the robotic surgical device comprises at least one arm, wherein the gross positioning system and robotic surgical device are configured to operate together to position the robotic surgical device within a body cavity of the patient.

19. The gross positioning system of claim 18 , further comprising

(a) a central processing unit operably coupled to the gross positioning system and the robotic surgical device, wherein the central processing unit comprises software configured to transmit control instructions to the gross positioning system and the robotic surgical device; and

(b) a controller operably coupled to the central processing unit.