Fixation devices for catheters
Fixation devices are disclosed herein that can be used to secure to a catheter and to tissue. The fixation devices include a body having a bore extending therethrough to receive a catheter. The fixation devices can also include suture openings or grooves to secure the devices to tissue.
1. A fixation device for a catheter, the fixation device comprising:
a body defining a bore for reception of a catheter, the bore extending along a longitudinal axis;
a first body portion of the body having a first bore portion; and
a second body portion of the body having a second bore portion, the first and second body portions movable with respect to one another from an open configuration allowing the catheter to be side loaded at least partially into the bore and a closed configuration with the first and second portions secured together to thereby enclose a length of the catheter within the bore;
wherein the first body portion includes a backstop protrusion extending toward the second body portion adjacent to the first bore portion; and the second body portion includes a backstop protrusion extending toward the first body portion adjacent to the second bore portion, the backstop protrusions of the first and second body portions at least partially overlapping along the longitudinal axis in the open configuration to provide a backstop for side loading of the catheter at least partially into the bore.
2. The fixation device of claim 1 , wherein the body further defines one or more suture openings extending therethrough, the one or more suture opening configured to receive sutures to secure the body to tissue.
3. The fixation device of claim 1 , wherein the body comprises one or more wings extending outwardly from the bore.
4. The fixation device of claim 1 , further comprising a snap fit connector configured to hold the first body portion and the second body portion in the closed configuration.
5. The fixation device of claim 4 , wherein the snap fit connector comprises a dual stage snap fit connector with a first stage allowing the catheter to be movable within the bore and a second stage retaining the length of the catheter within the bore.
6. The fixation device of claim 1 , wherein the first body portion and the second body portion are configured to press-fit together in the closed configuration.
7. The fixation device of claim 1 , wherein the first body portion and the second body portion are pivotably coupled together by a hinge.
8. The fixation device of claim 7 , wherein the backstop protrusions of the first and second body portions and the hinge are disposed on the same side of the body relative to the bore.
9. The fixation device of claim 1 , wherein the first bore portion comprises a recess defined in the first body portion; and the second bore portion comprises a projection of the second body portion configured to be inserted into the recess in the closed configuration to form the bore.
10. The fixation device of claim 1 , wherein the backstop protrusions of the first and second body portions include stops that engage one another to restrict pivoting of the first and second body portions away from one another past the open configuration.
11. The fixation device of claim 1 , wherein the first body portion and the second body portion comprise separate components.
12. The fixation device of claim 1 , wherein the bore includes one or more ribs that extend radially therein to clamp on the catheter.