This disclosure relates to a graft preparation system.
Grafts are prepared prior to surgery to provide reinforcement. Sutures can be sewn into the graft with a needle to provide a scaffold to provide additional strength.
A graft preparation system includes a fixation implant including two strands of suture and a suture construct. The suture construct includes a first adjustable eyesplice and a second adjustable eyesplice interconnected by a loop to form an adjustable loop. The graft preparation system includes a graft preparation card, and the two strands of suture of the fixation implant are wrapped around the graft preparation card. The first arm includes a slot that receives the graft preparation card. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth. The first tooth of the tenaculum pierces a tape suture, and the second tooth of the tenaculum pierces the graft. The graft preparation system includes a tape suture assembly including the tape suture, a first suture strand, and a second suture strand. The tape suture is attached to the graft with stitches formed with the first suture strand and the second suture strand. The fixation implant is attached to the graft with a stitch formed with the first suture strand and the second suture strand that passes through the adjustable loop.
In one example, a graft preparation system includes a fixation implant including a button with a first button hole and a second button hole, a first strand of suture that passes through the first button hole, and a suture construct that passes through both the first button hole and the second button hole. The suture construct includes a first free strand and a second free strand, and the suture construct includes a first adjustable eyesplice and a second adjustable eyesplice interconnected by a loop to form an adjustable loop. The graft preparation system includes a graft preparation card substantially rectangular in shape and including a graft edge, an opposing tenaculum edge, a first cleat edge that defines a first cleat, and an opposing second cleat edge that defines a second cleat. The graft preparation card includes a passage having a longitudinal axis extending from the graft edge, a first hole and a second hole located on each side of the passage, a first slit that extends from the graft edge to the first hole, and a second slit that extends from the graft edge to the second hole. The graft preparation card includes a first groove on the graft edge located above the first hole, a second groove on the graft edge located above the second hole, a third groove located on the tenaculum edge, and a fourth groove is located on the tenaculum edge. A line extending between the first groove and the third groove is substantially parallel to the longitudinal axis and a line between the second groove and the fourth groove is substantially parallel to the longitudinal axis. The first strand of suture, the first free strand, and the second free strand of the fixation implant are wrapped around the graft preparation card. The first adjustable eyesplice of the suture construct is received in the first groove and the third groove of the graft preparation card, and the second adjustable eyesplice of the suture construct is received in the second groove and the fourth groove of the graft preparation card. The first adjustable eyesplice is slidable through the first slit to be received in the first hole, and the second adjustable eyesplice is slidable through the second slit to be received in the second hole. The loop of the suture construct is located between the first hole and the second hole. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth. The first arm and the second arm are pivotally connected at a pivot, and the first tooth and the second tooth are at a distal end of the first arm and the second arm, respectively, of the tenaculum. The first arm between the first tooth and the pivot includes a slot that receives the graft preparation card. The graft preparation system includes a tape suture assembly including a tape suture, a first suture strand, a second suture strand, and a needle attached to the first suture strand and the second suture strand. The tape suture is positioned on a graft, the first suture strand and the second suture strand extend from a distal end portion of the tape suture, and the tape suture is attached to the graft with stitches formed by the first suture strand and the second suture strand. The first tooth of the tenaculum pierces a proximal end portion of the tape suture, the second tooth of the tenaculum pierces a proximal end portion of the graft, and the first suture strand and the two free strands of the suture construct wrap around a first cleat and a second cleat of the graft preparation card.
In another example, a graft preparation system includes a fixation implant including at least one strand of suture and a graft preparation card. The at least one strand of suture of the fixation implant is wrapped around the graft preparation card. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth, and the first arm and the second arm are pivotally connected at a pivot. The first arm between the first tooth and the pivot includes a slot that receives the graft preparation card. The graft preparation system includes a tape suture assembly including a tape suture and a first suture strand. The tape suture is positioned on a graft, and the first suture strand extends from a distal end portion of the tape suture. The tape suture is attached to the graft with a stitch formed with the first suture strand, the first tooth of the tenaculum pierces a proximal end portion of the tape suture, and the second tooth of the tenaculum pierces a proximal end portion of the graft.
In another embodiment, the first tooth and the second tooth are at a distal end of the first arm and the second arm, respectively, of the tenaculum.
In another embodiment, the graft preparation card is substantially rectangular in shape and includes a graft edge, an opposing tenaculum edge, a first cleat edge, and an opposing second cleat edge. The graft preparation card includes a passage having a longitudinal axis extending from the graft edge.
In another embodiment, the graft preparation card includes a curved portion in communication with the passage, and the passage and the curved portion define a keyhole shaped opening.
In another embodiment, the graft preparation card includes a first hole and a second hole located on each side of the passage, a first slit extends from the graft edge to the first hole, and a second slit extends from the graft edge to the second hole.
In another embodiment, a first groove on the graft edge is located above the first hole, a second groove on the graft edge is located above the second hole, a third groove is located on the tenaculum edge, a fourth groove is located on the tenaculum edge. A line extending between the first groove and the third groove is substantially parallel to the longitudinal axis, and a line between the second groove and the fourth groove is substantially parallel to the longitudinal axis.
In another embodiment, the first cleat edge defines a first cleat, the opposing second cleat edge defines a second cleat, a third hole is located in an area where the tenaculum edge and the first cleat edge intersect, a fourth hole is located in an area where the tenaculum edge and the opposing second cleat edge intersect, and a fifth hole is located in an area where the graft edge and the opposing second cleat edge intersect. A line between the fourth hole and the fifth hole is substantially parallel to the longitudinal axis.
In another embodiment, the fixation implant includes a button with a first button hole and a second button hole. The at least one strand of suture comprises a first strand of suture that passes through the first button hole and a suture construct that passes through both the first button hole and the second button hole. The suture construct includes a first free strand and a second free strand, and the suture construct includes a first adjustable eyesplice and a second adjustable eyesplice interconnected by a loop to form an adjustable loop.
In another embodiment, the first adjustable eyesplice of the suture construct is received in the first groove and the third groove of the graft preparation card, and the second adjustable eyesplice of the suture construct is received in the second groove and the fourth groove of the graft preparation card. The first adjustable eyesplice is slidable through the first slit to be received in the first hole, the second adjustable eyesplice is slidable through the second slit to be received in the second hole, and the loop of the suture construct is located between the first hole and the second hole.
In another embodiment, the first suture strand and the two free strands of the suture construct wrap around a first cleat and a second cleat of the graft preparation card.
In another embodiment, the tape suture assembly includes a second suture strand, the second suture strand extends from the distal end portion of the tape suture, and the tape suture is attached to the graft with the stitch formed by the second suture strand.
In another embodiment, the first suture strand and the second suture strand of the tape suture assembly form at least two v shaped stitches and at least two upside down v shaped stitches to secure the tape suture to the graft.
In another embodiment, a needle is attached to the first suture strand and the second suture strand.
In another embodiment, the first suture strand forms a stitch that passes through the graft and the tape suture of the tape suture assembly, loops over the proximal end of the graft and the proximal end of the tape suture to loop through the adjustable loop of the two adjustable eyesplices, and passes through the graft and the tape suture.
In another example, a method of preparing a graft includes inserting a graft preparation card into a slot of a tenaculum. A strand of suture of a fixation implant is wrapped around the graft preparation card. The method includes pivoting a first arm and a second arm of the tenaculum about a pivot such that a first tooth of the first arm pierces a proximal end portion of a tape suture of a tape suture assembly and a second tooth of the second arm pierces a proximal end portion of a graft. The method includes creating a stitch with a first suture strand of the tape suture assembly to secure the tape suture of the tape suture assembly to the graft.
In another embodiment, the tape suture assembly includes a second suture strand, and the step of creating the stitch includes creating a first stitch by passing a needle from a first side of the graft through the graft at a first location to position the needle on an opposite second side of the graft, spreading apart the first suture strand and the second suture strand to create an opening, moving the first suture strand and the second suture strand to the first side of the graft by passing the graft through the opening, and passing the needle from the first side of the graft through the tape suture and the graft at a second location proximal of the first location.
In another embodiment, the method includes the step of creating a second stitch by passing the needle, the first suture strand, and the second suture strand over the proximal end portion of the graft and the proximal end portion of the tape suture, passing the needle, the first suture strand, and the second suture strand through an adjustable loop of the fixation implant, and passing the needle, the first suture strand, and the second suture strand from the first side of the graft through the graft and the tape suture at a third location proximal of the second location.
In another embodiment, the method includes the step of preparing a graft including creating a third stitch by spreading apart the first suture strand and the second suture strand to create the opening, moving the first suture strand and the second suture strand to the first side of the graft by passing the graft through the opening, and passing the needle from the first side of the graft through the tape suture and the graft at the first location.
In another embodiment, the method includes the step of cutting one of the first suture strand and the second suture strand near the needle, tying a knot with the first suture strand and the second suture strand, piercing the needle in the graft to bury the knot in the graft, unwrapping the at least one strand of suture of the fixation implant from the graft fixation card, and removing the adjustable loop of the fixation implant from the graft fixation card.
The various features and advantages will become apparent to those skilled in the art from the following detailed description of the currently preferred embodiment. The drawings that accompany the detailed description can be briefly described as follows:
Grafts are prepared prior to surgery to provide reinforcement. Sutures can be sewn into the graft with a needle to provide a scaffold to provide additional strength.
A graft preparation system includes a fixation implant including two strands of suture and a suture construct. The suture construct includes a first adjustable eyesplice and a second adjustable eyesplice interconnected by a loop to form an adjustable loop. The graft preparation system includes a graft preparation card, and the two strands of suture of the fixation implant are wrapped around the graft preparation card. The first arm includes a slot that receives the graft preparation card. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth. The first tooth of the tenaculum pierces a tape suture, and the second tooth of the tenaculum pierces the graft. The graft preparation system includes a tape suture assembly including the tape suture, a first suture strand, and a second suture strand. The tape suture is attached to the graft with stitches formed with the first suture strand and the second suture strand. The fixation implant is attached to the graft with a stitch formed with the first suture strand and the second suture strand that passes through the adjustable loop.
In one example, a graft preparation system includes a fixation implant including a button with a first button hole and a second button hole, a first strand of suture that passes through the first button hole, and a suture construct that passes through both the first button hole and the second button hole. The suture construct includes a first free strand and a second free strand, and the suture construct includes a first adjustable eyesplice and a second adjustable eyesplice interconnected by a loop to form an adjustable loop. The graft preparation system includes a graft preparation card substantially rectangular in shape and including a graft edge, an opposing tenaculum edge, a first cleat edge that defines a first cleat, and an opposing second cleat edge that defines a second cleat. The graft preparation card includes a passage having a longitudinal axis extending from the graft edge, a first hole and a second hole located on each side of the passage, a first slit that extends from the graft edge to the first hole, and a second slit that extends from the graft edge to the second hole. The graft preparation card includes a first groove on the graft edge located above the first hole, a second groove on the graft edge located above the second hole, a third groove located on the tenaculum edge, and a fourth groove is located on the tenaculum edge. A line extending between the first groove and the third groove is substantially parallel to the longitudinal axis and a line between the second groove and the fourth groove is substantially parallel to the longitudinal axis. The first strand of suture, the first free strand, and the second free strand of the fixation implant are wrapped around the graft preparation card. The first adjustable eyesplice of the suture construct is received in the first groove and the third groove of the graft preparation card, and the second adjustable eyesplice of the suture construct is received in the second groove and the fourth groove of the graft preparation card. The first adjustable eyesplice is slidable through the first slit to be received in the first hole, and the second adjustable eyesplice is slidable through the second slit to be received in the second hole. The loop of the suture construct is located between the first hole and the second hole. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth. The first arm and the second arm are pivotally connected at a pivot, and the first tooth and the second tooth are at a distal end of the first arm and the second arm, respectively, of the tenaculum. The first arm between the first tooth and the pivot includes a slot that receives the graft preparation card. The graft preparation system includes a tape suture assembly including a tape suture, a first suture strand, a second suture strand, and a needle attached to the first suture strand and the second suture strand. The tape suture is positioned on a graft, the first suture strand and the second suture strand extend from a distal end portion of the tape suture, and the tape suture is attached to the graft with stitches formed by the first suture strand and the second suture strand. The first tooth of the tenaculum pierces a proximal end portion of the tape suture, the second tooth of the tenaculum pierces a proximal end portion of the graft, and the first suture strand and the two free strands of the suture construct wrap around a first cleat and a second cleat of the graft preparation card.
In another example, a graft preparation system includes a fixation implant including at least one strand of suture and a graft preparation card. The at least one strand of suture of the fixation implant is wrapped around the graft preparation card. The graft preparation system includes a tenaculum including a first arm having a first tooth and a second arm having a second tooth, and the first arm and the second arm are pivotally connected at a pivot. The first arm between the first tooth and the pivot includes a slot that receives the graft preparation card. The graft preparation system includes a tape suture assembly including a tape suture and a first suture strand. The tape suture is positioned on a graft, and the first suture strand extends from a distal end portion of the tape suture. The tape suture is attached to the graft with a stitch formed with the first suture strand, the first tooth of the tenaculum pierces a proximal end portion of the tape suture, and the second tooth of the tenaculum pierces a proximal end portion of the graft.
In another example, a method of preparing a graft includes inserting a graft preparation card into a slot of a tenaculum. A strand of suture of a fixation implant is wrapped around the graft preparation card. The method includes pivoting a first arm and a second arm of the tenaculum about a pivot such that a first tooth of the first arm pierces a proximal end portion of a tape suture of a tape suture assembly and a second tooth of the second arm pierces a proximal end portion of a graft. The method includes creating a stitch with a first suture strand of the tape suture assembly to secure the tape suture of the tape suture assembly to the graft.
A hole 62 and 64 is located on each side of the passage 60 of the keyhole shaped opening 58. A slit 66 and 68 extends from the graft edge 50 to each of the holes 62 and 64, respectively. A groove 70 and 72 is located above each hole 62 and 64, respectively, on the graft edge 50. The tenaculum edge 52 includes two grooves 74 and 76 each aligned with one of the grooves 70 and 72, respectively, of the graft edge 50. A tab 78 is defined between the two grooves 74 and 76.
The first cleat edge 54 and the opposing second cleat edge 54 each define a cleat 78 and 80, respectively. A first hole 82 is located in an area where the tenaculum edge 52 and the first cleat edge 54 meet, a second hole 84 is located in an area where the tenaculum edge 52 and the opposing second cleat edge 54 meet, and a third hole 86 is located in an area where the graft edge 50 and the opposing second cleat edge 54 meet. A slit 124, 126, and 128 extends from the closest cleat edge 54 and 56 to each of the holes 82, 84, and 86, respectively. A line defined between the second hole 84 and the third hole 86 is substantially parallel to the longitudinal axis A.
The button 26 is located on the front side of the graft preparation card 48. The eyesplices 40 and 42 of the suture construct 34 extend from the button 26 and are each received in one of the grooves 74 and 76, respectively, on the tenaculum edge 52 of the graft preparation card 48. The eyesplices 40 and 42 extend on the back side of the graft preparation card 48 such that the eyesplices 40 and 42 are received in the grooves 70 and 72 on the graft edge 50. The eyesplices 40 and 42 of the suture construct 34 are each slid through one of the slits 66 and 68, respectively, to be received in the holes 62 and 64, respectively, and the loop 44 of the suture construct 34 is located between the holes 62 and 64.
The suture strand 32 and the free ends 36 and 38 of the suture construct 34 pass through the slit 124 and into the first hole 82 and are wrapped several times around the graft preparation card 48 such that the suture strand 32 and the free ends 36 and 38 of the suture construct 34 are received over the cleats 78 and 80. The suture strand 32 and the free ends 36 and 38 of the suture construct 34 then extend from the cleat 78 on the first cleat edge 54 of the graft preparation card 48 diagonally across the back side of the graft preparation card 48 over the wrapped sutures and pass through the slit 128 and into the second hole 84. The suture strand 32 and the free ends 36 and 38 of the suture construct 34 extend substantially parallel to the longitudinal axis A on the front side of the graft preparation card 48 and pass through the slit 126 and into the third hole 86. Ends of suture strand 32 and the free ends 36 and 38 of the suture construct 34 are then secured under other sutures.
The graft preparation card 48 is removed from a larger packaging card 48 (not shown). As shown in
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The two free strands of suture 106 and 108 are then spread apart to create an opening 112, and the two free strands of suture 106 and 108 and the needle 110 are then moved to the front side of the graft 10 by passing the graft 10 through the opening 112. As shown in
The two free strands of suture 106 and 108 are spread apart to create an opening 112, and the two free strands of suture 106 and 108 and the needle 110 are then moved to the front side of the graft 10, capturing the tape suture 104 with a fourth stitch 118. Moving distally, a fifth stitch 120 is created repeating these steps. Additional stitches can be created in the same manner if needed. In the example shown, two stitches 118 and 120 are formed.
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It should be understood that many additional changes in the details, materials, steps and arrangements of parts, which have been herein described and illustrated in order to explain the nature of the present embodiments, may be made by those skilled in the art while still remaining within the principles and scope of the disclosed embodiments.
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