Sterile line clip separation tool
A system and a method are disclosed for disconnecting clips. A clip separation tool includes two arms, the arms having jaws to receive connected clips at a distal end of the arms and handle portions on a proximal end for a user to engage the tool with his hand. A pivot mechanism is coupled to the arms, where, responsive to a force applied to the handle portions, the arms rotate relative to each other around the pivot mechanism such that the distal ends of the arms pivot away from one another and the proximal ends of the arms pivot towards one another. A spring biases the arms to rotate to an equilibrium position that is attained automatically under spring loading once the proximal ends of the arms are relieved of loading. The clip separation tool disconnects connected clips as the force causes the arms to rotate around the pivot mechanism.
1. A tool comprising:
first and second arms, each arm including:
a proximal end comprising a handle portion, and
a distal end, opposite the proximal end, comprising a pair of jaws, each pair of jaws including a top jaw and a bottom jaw, the top jaw including an inner surface configured to engage with a top external surface of a corresponding tubing attachment of a pair of connected tubing attachments, and the bottom jaw including an inner surface, disposed opposite to and facing the inner surface of the top jaw, configured to engage with a bottom external surface of the corresponding tubing attachment of the pair of connected tubing attachments, wherein the inner surface of the top jaw and the inner surface of the bottom jaw are configured to have an invariant spatial relationship relative to each other while a force is applied to the handle portions of the first and second arms;
a pivot mechanism that rotationally couples the arms such that, responsive to the force applied to the handle portions of the arms, the arms are configured to rotate relative to each other around the pivot mechanism in a rotational plane causing the distal ends of the arms pivot away from one another and the proximal ends of the arms pivot towards one another, wherein the pairs of jaws of the first and second arms cooperate to disconnect the pair of connected tubing attachments and slide the pair of disconnected tubing attachments past each other responsive to the force being applied to the handle portions of the arms; and
a spring biasing the arms to rotate to an equilibrium position in which the pairs of jaws are substantially aligned, the inner surface of the top jaw of the first pair of jaws is aligned with the inner surface of the bottom jaw of the second pair of jaws and an outer surface of the top jaw of the first pair of jaws is unaligned with an outer surface of the bottom jaw of the second pair of jaws, wherein the equilibrium position is attained automatically under spring loading once the proximal ends of arms are relieved of loading.
2. The tool of claim 1 , wherein the pivot mechanism includes an axle and a plurality of fastening elements configured to restrict the movement of the arms to movement within the rotational plane, the arms configured to rotate around the axle.
3. The tool of claim 1 , wherein the proximal end of the first arm overlaps with the proximal end of the second arm such that a width of the distal end of the tool is larger than a width of the proximal end of the tool.
4. The tool of claim 1 , wherein the tool is configured to be actuated by one hand of a user.
5. The tool of claim 1 , wherein each of the jaws are adjustable to engage with each of the pair of connected tubing attachments; wherein the pair of connected tubing attachments comprises a plurality of tubing attachment sizes.
6. The tool of claim 1 , wherein the tool is composed of a material comprising at least one of nylon, reinforced nylon, carbon fiber, metal, or glass fiber.
7. The tool of claim 1 , wherein outer surfaces of the proximal ends of the arms include respective protrusions structured to align with a curvature of a finger pad.
8. The tool of claim 1 , wherein the tool was fabricated using 3D printing.
9. The tool of claim 1 , wherein at least one of the first arm or the second arm is manufactured as a single piece.
10. The tool of claim 1 , wherein the first arm and the second arm have identical structure.