Handle for a surgical instrument
A surgical instrument with a handle for a surgical instrument is provided, comprising a first arm and a second arm, wherein at least one of the arms being movable with respect to the other between an open and closed position. An end effector such as a pair of opposing jaws for grasping tissue may be disposed at the distal end of the two arms. At the proximal end of each arm is a finger loop, or some other suitable means for holding by the handle, which are used to actuate the arms between the open and closed position. At least one of the finger loops is arranged to pivot about the longitudinal axis of the arm from which it extends, for example, the finger loop may be connected to the arm by a hinged connection, or any other suitable connection for enabling the finger loop to be pivotably rotated.
1 . A handle for a surgical instrument, comprising:
a first arm and a second arm, each comprising a proximal end and a distal end having a respective jaw member disposed thereon, and defining a longitudinal axis, at least one of the first arm or the second arm being movable with respect to the other between an open position, in which the first arm and the second arm are spaced one from another, and a closed position, in which the first arm and the second arm are brought closer together; and
an actuation mechanism arranged at the proximal end of at least one of the first arm or the second arm for moving the first arm and second arm between the open position and the closed position, wherein the actuation mechanism comprises at least a first finger loop arranged at the proximal end of the first arm;
wherein the first finger loop is further arranged to pivotably rotate about the longitudinal axis of the first arm.
2 . The handle of claim 1 , wherein the first finger loop is arranged to pivot via a hinged connection.
3 . The handle of claim 1 , wherein the actuation mechanism further comprises a second finger loop arranged at the proximal end of the second arm, the second finger loop being arranged to pivotably rotate about the longitudinal axis of the second arm.
4 . The handle of claim 3 , wherein the first finger loop arranged at the proximal end of the first arm pivots between a first fixed range of motion and the second finger loop arranged at the proximal end of the second arm pivots between a second fixed range of motion.
5 . The handle of claim 4 , wherein the first fixed range of motion is between 60 and −60 degrees, and the second fixed range of motion is between 45 and −45 degrees.
6 . The handle of claim 4 , wherein the first fixed range of motion is between 45 and −45 degrees, and the second fixed range of motion is between 30 and −30 degrees.
7 . The handle of claim 4 , wherein the first fixed range of motion is between 30 and −30 degrees, and the second fixed range of motion is between 15 and −15 degrees.
8 . The handle of claim 1 , wherein the first finger loop is configured to pivot about the longitudinal axis of the first arm in both a clockwise and an anticlockwise direction.
9 . The handle of claim 8 , wherein the first finger loop is configured to pivot about the longitudinal axis of the first arm within a fixed range of motion.
10 . The handle of claim 9 , wherein the fixed range of motion is between 90 degrees and −90 degrees.
11 . The handle of claim 9 , wherein the fixed range of motion is between 60 degrees and −60 degrees.
12 . The handle of claim 9 , wherein the fixed range of motion is between 45 degrees and −45 degrees.
13 . The handle of claim 9 , wherein the fixed range of motion is between 30 degrees and −30 degrees.
14 . The handle of claim 1 , wherein a switch mechanism is located on the handle, comprising:
an activation button operable to deliver a source of radio frequency (RF) energy to an end effector disposed on the distal end of at least one of the first arm or the second arm; and
a protrusion operable to compress the activation button.
15 . The handle of claim 14 , wherein the switch mechanism is arranged on the handle such that, the activation button is configured to be activated by one of the first arm or the second arm when the handle is in the closed position.
16 . A surgical instrument, comprising:
an end effector; and
a handle for actuating the end effector according to claim 1 .
17 . The surgical instrument of claim 16 , wherein the end effector comprises a first jaw member disposed on the distal end of the first arm and a second jaw member disposed on the distal end of the second arm.
18 . An electrosurgical system, comprising:
an RF electrosurgical generator; and
a surgical instrument according to claim 16 .
19 . The handle of claim 1 , further comprising a blade trigger and a slot configured to receive the blade trigger.