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3.The fixation device of claim 2, wherein the tissue engagement feature comprises: |
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a bone engagement feature. |
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a one-way tissue engagement feature connected to the body; and |
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a body; |
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2.A fixation device for tissue, the device comprising: |
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Figure 5C is a side perspective view, end perspective view, opposite end perspective view, and a side perspective view of a fixation device having a circular longitudinal cross-section and a non-uniform diameter in four different orientations, according to one embodiment. |
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Advantageously, the fixation device 100 can be used in a variety of surgical procedures in which tissue 114 is fixed to other parts of the body or an implant. A representative example of such procedures, includes but is not limited to, tibial fixation of a tissue graft, femoral fixation of a tissue graft, rotator cuff repairs, and the like. |
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A pushing, pulling, or tension force applied to the tissue 114 in the first direction 116 can/will cause the tissue 114 to move through the one-way tissue engagement feature 110 in the first direction 116. Conversely, a pushing, pulling, or tension force applied to the tissue 114 in the second direction 118 can/will not cause the tissue 114 to move through the one-way tissue engagement feature 110 in the second direction 118. Instead, movement of the tissue 114 in the second direction 118 will be stopped, retained, prevented, or mitigated by the one-way tissue engagement feature 110 of the fixation device 100. In certain embodiments, the one-way tissue engagement feature 110 engages with the tissue 114 such that a failure or tear of the tissue 114 within the one-way tissue engagement feature 110 may be the only way to remove the one-way tissue engagement feature 110 from the tissue 114. |
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Figure 1B illustrates a side view of the fixation device 100 of Figure 1A. Figure 1B illustrates that one portion (the ends of the tissue 114 are not illustrated) of the tissue 114 passes through the fixation device 100 in a first direction 116. In one embodiment, the one-way tissue engagement feature 110 may be within the opening 112. The one-way tissue engagement feature 110 engages the length of tissue 114 within the opening 112 such that the length of tissue 114 can move through the opening 112 in the first direction 116 but not move through the opening 112 in a second direction 118. In this manner, the one-way tissue engagement feature 110 provides a one-way tissue engagement function, the tissue 114 can only pass through the opening 112 in one direction. |
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Figure 1A illustrates an example of a fixation device 100 according to one embodiment of the present disclosure. The fixation device 100 may include a one-way tissue engagement feature 110 and an engagement feature 140. The one-way tissue engagement feature 110 may include an opening 112. The opening 112 is configured to receive a length of tissue 114 passing through the opening 112. The opening 112 is large enough to accept an end the tissue 114 passing through the opening 112. In the illustrated embodiment, the opening 112 has a circular cross-section shape. In certain embodiments, by analogy the one-way tissue engagement feature functions with respect to the tissue 114, much like a check valve functions with respect to a fluid. Like fluid flowing through a check valve, the tissue 114 can only pass through the one-way tissue engagement feature in one direction. |
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The present disclosure discloses a fixation device and/or method for fixation of tissue that is quick and easy to deploy, low profile, readily revisable, requires no special knots or supporting accessories or equipment, and provides a strong fixation that is secure and provides the desired level of fixation in view of tensions experienced by tissue in a joint such as a knee. |
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The present disclosure discloses surgical devices, systems, and/or methods for fixation of tissue within a body of a patient. Known fixators and/or fixation devices, methods, or steps are limited. Fixation devices may be aperture fixation (e.g., interference screws) or suspensory fixation (e.g., EZLoc, WasherLoc, Toggleloc plus EZloc, and the like; cortical: Endo buttons, staples, screw posts; cancellous: transfixion pins, Bio-TransFix, Aperfix, and the like). A simple, easy fixation device that facilitates setting a tension in soft tissue is needed. |
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Figure 6 illustrates one example of a method for securing tissue within or to a body of a patient, according to one embodiment. |
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Figure 5F is an end view of a one-way tissue engagement feature, according to one embodiment. |
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Figure 5E is an end view of a one-way tissue engagement feature, according to one embodiment. |
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Figure 5D is a side perspective view, end perspective view, opposite end perspective view, and a side perspective view of a fixation device having a square longitudinal cross-section in four different orientations, according to one embodiment. |
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A variety of mechanical configurations and designs may be used to implement the one-way tissue engagement feature 110. Each of these is considered within the scope of this disclosure. This disclosure includes exemplary embodiments that can serve as the one-way tissue engagement feature 110. |
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Figure 5B is a side perspective view, end perspective view, opposite end perspective view, and a side perspective view of a fixation device having an elliptical longitudinal cross-section in four different orientations, according to one embodiment. |
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Figure 5A is a side perspective view, end perspective view, opposite end perspective view, and a side perspective view of a fixation device having a circular longitudinal cross-section in four different orientations, according to one embodiment. |
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Figure 4 is a cross-sectional view of a fixation device taken along a longitudinal axis of the fixation device positioned within a bone tunnel of a bone, according to one embodiment. |
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