Device and method for infusing and aspirating fluid
The instant invention discloses a low-profile infusion set for the infusion and aspiration of fluid. The infusion set comprises an infusion tubing, an extension tube, a housing, a needle, and a needle holder. The extension tube and needle are connected to the housing, creating improved fluid pressure rates and flow rates.
1. A device comprising:
a needle comprising a needle proximal end;
an extension tube an extension tube distal end; and
a housing comprising:
a reservoir having a cylindrical shape;
a first tangential channel located along a tangent to the reservoir in fluid communication with the extension tube distal end; and
a second tangential channel located along a tangent to the reservoir in fluid communication with the needle proximal end.
2. The device of claim 1 , wherein the housing further comprises a protrusion extending towards a first channel longitudinal axis.
3. The device of claim 2 , wherein the protrusion comprises a first protrusion segment and a second protrusion segment.
4. The device of claim 3 , wherein the first protrusion segment is formed from a section of a wall of the reservoir and the first protrusion segment comprises a curved profile.
5. The device of claim 3 , wherein the second protrusion segment is formed from a section of a wall of the first tangential channel and the second protrusion segment comprises a curved profile.
6. The device of claim 1 , wherein the reservoir is configured to provide a fluid with a circumferential flow and laminar flow characteristics.
7. The device of claim 1 , wherein the reservoir of the housing is toroidal in shape.
8. The device of claim 1 , wherein the reservoir of the housing is spherical in shape.
9. The device of claim 1 , wherein the first tangential channel and the second tangential channel follow an arced or curved pathway of the reservoir.
10. The device of claim 1 , wherein the first tangential channel and the second tangential channel are in fluid communication with the reservoir along a tangential angle.
11. A method comprising the steps of:
accessing a site with an infusion set, the infusion set comprising:
a needle comprising a needle proximal end;
an extension tube comprising an extension tube distal end; and
a housing comprising:
a reservoir having a cylindrical shape;
a first tangential channel located along a tangent to the reservoir in fluid communication with the extension tube distal end; and
a second tangential channel located along a tangent to the reservoir in fluid communication with the needle proximal end;
flowing a fluid through the housing such that the fluid has a circumferential flow pattern with laminar fluid characteristics.
12. The method of claim 11 , wherein the first tangential channel and the second tangential channel are in fluid communication with the reservoir along a tangential angle to provide the fluid with a circumferential flow pattern and laminar fluid characteristics.
13. The method of claim 11 , wherein the first tangential channel and the second tangential channel follow an arced or curved pathway to provide the fluid with a circumferential flow pattern and laminar fluid characteristics.
14. The method of claim 13 , wherein the housing further comprises a protrusion configured to direct the fluid toward a wall of the reservoir in a direction away from a first channel longitudinal axis.
15. The method of claim 13 , wherein the step of flowing a fluid through the housing further comprises:
flowing the fluid across the first tangential channel and the second tangential channel.
16. A method comprising the steps of:
accessing a site with an infusion set, the infusion set comprising:
a needle comprising a needle proximal end;
an extension tube comprising an extension tube distal end; and
a housing comprising;
a reservoir having a shape selected from a group comprising either a cylinder or a toroid;
a first tangential channel to provide a fluid with circumferential flow within the reservoir, wherein the first tangential channel is positioned along a first arced or curved pathway of a first tangential angle relative to the reservoir;
a second tangential channel to provide the fluid with circumferential flow within the reservoir, wherein the second tangential channel is positioned along a second arced or curved pathway of a second tangential angle relative to the reservoir; and
a protrusion comprising:
a first protrusion segment having a curved profile to enhance the circumferential flow of the fluid within the reservoir;
a second protrusion segment having a curved profile to enhance the circumferential flow of the fluid within the reservoir;
flowing the fluid through the housing.
17. The method of claim 12 , wherein the step of flowing a fluid through the housing may further comprise such that the fluid has laminar fluid characteristics a laminar flow pattern.
18. The method of claim 12 , wherein the step of flowing a fluid through the housing further comprises flowing the fluid across the first tangential channel and the second tangential channel to enhance laminar fluid characteristics of the fluid within the reservoir.