Surgical fastening

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together.

BLADE-LIKE SHAFT OF A HIP JOINT PROSTHESIS

A blade-like stem of a hip joint prosthesis for anchoring in the femur, including a prosthesis neck portion and a femur-anchoring portion extending therefrom and having a proximal end and a distal end, the femur-anchoring portion including a proximal arcuate portion extending from a location adjacent the proximal end and having a radius of curvature that changes in a distal-to-proximal direction, and the femur-anchoring portion further including a distal tapered portion extending from the proximal arcuate portion toward the distal end. 1. A hip joint prosthesis stem for anchoring in a femur , comprising:a prosthesis neck portion; and a proximal arcuate portion extending from a location adjacent the proximal end and having a radius of curvature that changes in a distal-to-proximal direction; and', 'a distal tapered portion extending from the proximal arcuate portion toward the distal end., 'a femur-anchoring portion extending from the prosthesis neck portion and having a proximal end and a distal end, and including2. The hip joint prosthesis stem of claim 1 , wherein the proximal arcuate portion extends along a tractrix curvature.3. The hip joint prosthesis stem of claim 1 , wherein the radius of curvature of the proximal arcuate portion becomes increasingly smaller in the distal-to-proximal direction.4. The hip joint prosthesis stem of claim 1 , wherein the radius of curvature of the proximal arcuate portion continuously changes in the distal-to-proximal direction.5. The hip joint prosthesis stem of claim 4 , wherein the radius of curvature of the proximal arcuate portion continuously decreases in the distal-to-proximal direction.6. The hip joint prosthesis stem of claim 1 , wherein the proximal arcuate portion comprises a changing radius of curvature between 200 mm and 500 mm.7. The hip joint prosthesis stem of claim 1 , wherein the femur-anchoring portion has a total length extending from the proximal end to the distal end; andwherein the proximal arcuate portion ...

SURGICAL FASTENING

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together. 1. A surgical fastener comprising:a generally circular body having a convex first surface, a concave second surface opposite the first surface, and a pair of first through holes extending through the body from the first surface to the second surface, the pair of first through holes being symmetrically offset from a center of the first surface; and a first end, a second end, and a longitudinal axis extending between the first and second ends, the longitudinal axis being perpendicular to the second surface of the body, the first end of the post being coupled to a center of the second surface; and', 'a second through hole formed in the post transverse to the longitudinal axis., 'a generally cylindrical post defining an outer curved surface, the post comprising2. The surgical fastener of claim 1 , wherein the surgical fastener comprises a material selected from the group of metals claim 1 , absorbable materials claim 1 , and collagen-based materials.3. The surgical fastener of claim 2 , wherein the collagen-based materials include biological elements to promote healing.4. The surgical fastener of claim 1 , wherein a diameter of the first surface is about 14 mm.5. The surgical fastener of claim 1 , wherein a diameter of ...

Improved hip-joint prosthesis

A method of optimizing the geometry of a femoral stem (20) of a hip joint prosthesis is disclosed. The femoral stem (20) comprises a neck (21) and an anchoring blade (29) that is attached to the neck (21) and that tapers towards a distal end (23) with a lateral narrow side (28) comprising a distal straight portion (33) and a proximal arcuate portion (32) corresponding to a curve. The transition between the distal straight portion (33) and the proximal arcuate portion (32) occurs at an outer lateral point (29). The method comprises a means of optimizing the profile of the curve of said proximal arcuate portion (32) by a process of iterative modeling steps using a series of curves each defined by a path traced by the outer lateral point (29) on withdrawal of a profile of the stem (20) from a cavity (35) of complementary shape to the stem (20). Preferably, during withdrawal of the profile of the stem (20) from the cavity (35) contact between lateral-distal (36) and proximal-medial (37) stem ...

Blade-like stem of a hip-joint prosthesis

A blade-like stem of a hip joint prosthesis for anchoring in the femur, including a portion comprising a prosthesis neck on the one hand and a femur-anchoring portion tapering towards a distal end on the other hand, the lateral narrow side of which comprises a distal straight portion and a proximal arcuate portion, the straight portion extending over a length of from 60% to 75% of the total length of the stem.

ADJUSTABLE DRILL GUIDE AND METHODS OF USE THEREOF

Drill guide assemblies are adjustable for proper alignment of drill holes in the glenoid with the drill holes in the coracoid during a Latarjet procedure. The drill guide has an aimer arm extending from the body of the drill guide which has a fixed angle with respect to a drill sleeve inserted through the guide. The aimer arm can move up or down relative to the drill sleeve while maintaining the fixed angle relative to the drill sleeve by actuation of a translation member on the body. 1. A drill guide assembly , comprising:an elongate body including a proximal end, a distal end and a longitudinal axis extending between the proximal and distal ends;at least one channel extending along the longitudinal axis of the body from the proximal end to the distal end;a sleeve slidably disposed within the at least one channel, a distal end of the sleeve configured to be secured to a first surface of a bone;an aimer arm extending distally from the body, a distal end of the aimer arm configured to be secured to a second surface of the bone, the aimer arm extending at a fixed angle with respect to the sleeve;wherein a vertical distance between the aimer arm and the sleeve is adjustable to a pre-selected distance by actuation of a translation member on the body such that the aimer arm maintains the fixed angle with respect to the sleeve.2. The assembly of claim 1 , further comprising a handle extending from a lower surface of the body configured to be held by a user.3. The assembly of claim 1 , wherein the preselected distance is between 6 mm and 9 mm.4. The assembly of claim 1 , wherein the at least one channel is two channels extending on opposing sides of the aimer arm claim 1 , and wherein a distance between the two channels is about 10 mm.5. The assembly of claim 1 , wherein the sleeve comprises a bore extending from a proximal end to a distal end of the sleeve for the passage of a drill.6. The assembly of claim 1 , further comprising a locking mechanism for locking the sleeve ...

Adjustable drill guide and methods of use thereof

Drill guide assemblies are adjustable for proper alignment of drill holes in the glenoid with the drill holes in the coracoid during a Latarjet procedure. The drill guide has an aimer arm extending from the body of the drill guide which has a fixed angle with respect to a drill sleeve inserted through the guide. The aimer arm can move up or down relative to the drill sleeve while maintaining the fixed angle relative to the drill sleeve by actuation of a translation member on the body.

SYSTEM AND METHOD FOR TRANSPORTING SUTURE

A suture transport system is disclosure for placing a flexible member along a tunnel, the system including a means of transporting a flexible member along a tunnel from a first opening in the tunnel through to a second opening at an opposite end of the tunnel, such that the flexible member extends from both the first and second opening. The system also includes a means of capturing a portion of the flexible member at the second opening, to inhibit the flexible member from retracting into the tunnel second opening. The means of capturing includes an aperture for capturing the portion of the flexible member. 1. A shuttle system comprising:a means of transporting a flexible member along a tunnel from a first opening in a tissue tunnel through to a second opening at an opposite end of the tissue tunnel, such that the flexible member extends from both the first and second openings;a guide having an aperture for receiving the flexible member therethrough after exiting the second opening, the aperture configured to cooperate with the flexible member and capture a portion of the flexible member at the second opening and wherein the guide includes a handle configured to draw the flexible member portion away from the second opening.2. The shuttle system of wherein the flexible member portion further comprises an expandable element operatively coupled thereto; and wherein the means of transporting disposes the expandable element through the guide aperture.3. The shuttle system of wherein the aperture defines a portion of a drill guide.4. The shuttle system of wherein the expandable element is configured to selectively change shape from a first cross sectional configuration that fits through the aperture claim 3 , to a second cross sectional configuration that is too large to fit through the aperture and thereby captures the flexible member portion at the second opening.5. The shuttle system of claim 4 , wherein the means of transporting comprises an outer tube and an inner ...

Drill guide

A drill guide includes a body, a stabilizing member, a tubular guide sleeve, and an engagement member. The body includes a first channel aligned with a longitudinal axis and a second channel transverse to the longitudinal axis. The first channel is dimensioned to receive the sleeve, while the second channel is dimensioned to receive an engagement member. The engagement member is adapted to move within the second channel between an engaged position, where the engagement member inhibits proximal motion of the sleeve, and a second position, where motion of the sleeve is not inhibited. An alignment member is further mounted to the distal end of the sleeve that includes a distally extending member, spaced from the sleeve. In use, the distally extending member may be employed to exert a force upon a bone or other tissue lateral to the longitudinal axis for improved positioning of the bone or tissue.

SURGICAL FASTENING

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together. 1. A surgical repair method , comprising:preparing a first grafting surface on a glenoid bone, the first grafting surface positioned adjacent an area of bone loss within the glenoid bone;preparing a second grafting surface on an inferior surface of a coracoid process bone;drilling a first passage through the glenoid;drilling a second passage through the coracoid process;passing a guidewire through the first and second passages, wherein the guidewire is passed through the first passage and subsequently through the second passage;resecting a tip of the coracoid process;maneuvering the resected coracoid process along the guidewire such that at least a portion of the first and second grafting surfaces are in contact; andsecuring the resected coracoid process to the glenoid with two surgical fasteners and a suture extending there-between.2. The method of claim 1 , further comprising spreading tissue interposed between an incision made in the patient's shoulder and at least one of the glenoid and the coracoid process with a tissue spreader claim 1 , the tissue spreader comprising: a first distal end;', 'a first proximal end;', 'a first shaft portion connecting the first distal end and the first proximal end, the first shaft ...

GLENOID IMPLANT AND METHOD OF USE THEREOF

A glenoid implant that is 3D-printed or machined from ceramic and/or metal as a substitute for an autograft or allograft in a surgical repair. Structural supports composed of metal are designed in the interior of the implant for support during implantation and post-operation. The remainder of the volume of the implant is composed of a material having optimal pore structure for rapid bone integration and healing. 1. A glenoid implant comprising:a substantially rectangular body having a solid structural support and a porous region surrounding the structural support, the body further having a first surface, a second surface opposite the first surface, and at least two through holes extending through the structural support from the first surface to the second surface; andat least one cylinder disposed within each of the at least two through holes, each cylinder having a telescoping peg configured to extend from the second surface into a mating hole in the glenoid.2. The implant of claim 1 , wherein the structural support comprises a biocompatible metal.3. The implant of claim 1 , wherein the structural support comprises one of titanium or tantalum.4. The implant of claim 1 , wherein the porous region comprises a resorbable ceramic.5. The implant of claim 1 , wherein the porous region comprises a semi-crystalline bioinductive/bioconductive material.6. The implant of claim 1 , wherein the porous region comprises one of hydroxyapatite (HA) or tricalcium phosphate (TCP).7. The implant of claim 1 , wherein at least one surface of the implant is coated with HA or TCP.8. The implant of claim 1 , wherein the second surface of the body comprises features for improving fixation strength of the body against the glenoid.9. The implant of claim 1 , wherein the implant is additive manufactured.10. A method of glenoid instability repair comprising:forming at least two axially-aligned passages from an anterior surface to a posterior surface of a glenoid; 'a substantially rectangular ...

Drill guide

A drill guide includes a body, a stabilizing member, a tubular guide sleeve, and an engagement member. The body includes a first channel aligned with a longitudinal axis and a second channel transverse to the longitudinal axis. The first channel is dimensioned to receive the sleeve, while the second channel is dimensioned to receive an engagement member. The engagement member is adapted to move within the second channel between an engaged position, where the engagement member inhibits proximal motion of the sleeve, and a second position, where motion of the sleeve is not inhibited. An alignment member is further mounted to the distal end of the sleeve that includes a distally extending member, spaced from the sleeve. In use, the distally extending member may be employed to exert a force upon a bone or other tissue lateral to the longitudinal axis for improved positioning of the bone or tissue.

SURGICAL FASTENING

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together. 1. A surgical fastener comprising:a generally circular body having a convex first surface, a concave second surface opposite the first surface, and a pair of first through holes extending through the body from the first surface to the second surface, the pair of first through holes being symmetrically offset from a center of the first surface; and a first end, a second end, and a longitudinal axis extending between the first and second ends, the longitudinal axis being perpendicular to the second surface of the body, the first end of the post being coupled to a center of the second surface; and', 'a second through hole formed in the post transverse to the longitudinal axis., 'a generally cylindrical post defining an outer curved surface, the post comprising2. The surgical fastener of claim 1 , wherein the surgical fastener comprises a material selected from the group of metals claim 1 , absorbable materials claim 1 , and collagen based materials.3. The surgical fastener of claim 2 , wherein the collagen-based materials include biological elements to promote healing.4. The surgical fastener of claim 1 , wherein a diameter of the first surface is about 14 mm.5. The surgical fastener of claim 1 , wherein a diameter of ...

SURGICAL FIXATION DEVICES AND METHODS OF USE THEREOF

A suspension fixation device includes a first fastener assembled to an adjustable loop of suture. The second fastener has a slot configured to allow the second fastener to be assembled to the suture loop once the suture loop has been passed through a drill hole. The second fastener further comprises a suture bridge formed through a post of the fastener for housing the suture loop while the slot is configured to prohibit the suture loop from migrating back out of the suture bridge. 1. A surgical fastening device , comprising:a first fastener coupled to a first end of an adjustable suture loop;a second fastener configured to be assembled to a second end of the suture loop, the second fastener having a body, a post extending from the body, and a slot extending an entire width of the body for receiving the second end of the suture loop within a suture bridge defined by the post;wherein the suture loop is able to be manipulated to change a distance between the first and second fasteners.2. The surgical fastening device of claim 1 , wherein the first fastener comprises a generally circular body having a first surface claim 1 , a second surface opposite the first surface claim 1 , and a post extending from a center of the second surface and perpendicular to a long axis of the body of the first fastener.3. The surgical fastening device of claim 2 , wherein the body of the first fastener defines first and second through holes extending from the first surface to the second surface claim 2 , and a recessed slot extending between the first and second through holes and at least partially formed through the post of the first fastener.4. The surgical fastening device of claim 3 , wherein the first and second through holes are configured for passage of free ends of the suture loop.5. The surgical fastening device of claim 2 , wherein the post of the first fastener defines third and fourth through holes configured for passage of the suture loop extending through a width of the post. ...

Surgical fixation devices and methods of use thereof

A suspension fixation device includes a first fastener assembled to an adjustable loop of suture. The second fastener has a slot configured to allow the second fastener to be assembled to the suture loop once the suture loop has been passed through a drill hole. The second fastener further comprises a suture bridge formed through a post of the fastener for housing the suture loop while the slot is configured to prohibit the suture loop from migrating back out of the suture bridge.

Surgical fastening

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together.

System and method for transporting suture

A suture transport system is disclosure for placing a flexible member along a tunnel, the system including a means of transporting a flexible member along a tunnel from a first opening in the tunnel through to a second opening at an opposite end of the tunnel, such that the flexible member extends from both the first and second opening. The system also includes a means of capturing a portion of the flexible member at the second opening, to inhibit the flexible member from retracting into the tunnel second opening. The means of capturing includes an aperture for capturing the portion of the flexible member.

Blade-like shaft of a hip-joint prosthesis

Blade-like shaft (10) of a hip-joint prosthesis for anchoring in the femur, with, on the one hand, a portion (19) that comprises a prosthesis neck (18), and with, on the other hand, a femoral anchoring portion (21) which narrows towards a distal end (20) and whose lateral narrow side (22) includes a distal rectilinear portion (23) and a proximal curved portion (11), wherein the rectilinear portion (23) extends along a length (LD) of 60% to 75% of the total length (LG) of the shaft (10).

Hip-joint prosthesis

A method of optimizing the geometry of a femoral stem of a hip joint prosthesis is disclosed. The femoral stem comprises a neck and an anchoring blade that is attached to the neck and that tapers towards a distal end with a lateral narrow side comprising a distal straight portion and a proximal arcuate portion corresponding to a curve. The transition between the distal straight portion and the proximal arcuate portion occurs at an outer lateral point. The method comprises a means of optimizing the profile of the curve of said proximal arcuate portion by a process of iterative modeling steps using a series of curves each defined by a path traced by the outer lateral point on withdrawal of a profile of the stem from a cavity of complementary shape to the stem. Preferably, during withdrawal of the profile of the stem from the cavity contact between lateral-distal and proximal-medial stem contours and respective associated boundaries of the cavity are maintained. A femoral stem of a hip joint prosthesis produced by this method and a hip joint prosthesis system for use in the implantation of said femoral stem into a femur are also disclosed.

Blattartiger schaft einer hüftgelenkprothese

Surgical fastening

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together.

Surgical fastening

Methods of joint repair employing sutures and attached fixation devices are discussed. For example, a bone block graft procedure (e.g., Latarjet) is discussed which employs fixation devices to secure contact between graft surfaces of two bones. A suture construct, including a continuous suture loop routed through a first fastener, is secured to a first bone. Looped ends of the suture loop are passed through passageways formed in the two bones. The looped suture ends are further routed through a second fastener. The second fastener is mounted to the second bone and a sliding knot, formed in the looped suture ends, is advanced into contact with the second fastener. The suture is further tensioned using a tensioner device to secure the two bones together.

Adjustable drill guide