Spinal implant

Abstract

A spinal implant includes a post having a receiving portion with a first mating surface and a stop. The connector defines an implant cavity. The connector includes a base having a second mating surface positionable with the first mating surface to attach the connector with the receiving portion. The base defines a transverse channel. A securing element is positionable in the channel and engageable with the stop. In some embodiments, systems, surgical instruments, implants, and methods are disclosed.

Description

Technical Field

[0001] The present disclosure relates generally to medical devices for treating musculoskeletal disorders, and more particularly to spinal implant systems and methods for treating the spine. Background Art

[0002] Spinal lesions and disorders, such as scoliosis and other curvature abnormalities, kyphosis, degenerative disc disease, herniated discs, osteoporosis, spondylolisthesis, stenosis, tumors, and fractures can be caused by factors including trauma, disease, and degenerative conditions caused by injury and aging. Spinal disorders often result in symptoms including deformity, pain, nerve damage, and partial or complete loss of mobility.

[0003] Non-surgical treatments (such as drugs, rehabilitation and exercise, etc.) may be effective, but may not alleviate the symptoms associated with these diseases. The surgical treatments of these spinal disorders include correction, fusion, fixation, discectomy, laminectomy and implantable prostheses. As part of these surgical treatments, spinal structures such as vertebral rods are often used to provide stability to the treatment area. When healing occurs, the rod transfers stress from the damaged or defective area to restore the correct alignment and support the vertebral members. During surgical treatment, one or more rods and bone fasteners can be delivered to the surgical site. The rod can be attached to the outside and / or ilium surface of two or more vertebral members via fasteners. The present disclosure describes improvements to these prior arts. Summary of the invention

[0004] In one embodiment, a spinal implant is provided. The spinal implant includes a column having a receiving portion, the receiving portion having a first mating surface and a stopper. A connector defines an implant cavity. The connector includes a base having a second mating surface that can be positioned together with the first mating surface to attach the connector to the receiving portion. The base defines a transverse channel. A fixing element can be placed in the channel and can engage with the stopper. In some embodiments, systems, surgical instruments, implants, and methods are disclosed.

[0005] In one embodiment, the spinal implant comprises a column having a receiving portion having at least one inner projection and a stop. A connector defines an implant cavity. The connector comprises a base having at least one outer projection that can be positioned with the at least one inner projection to attach the connector to the receiving portion. The base defines a transverse channel. A wire can be placed in the channel and can engage with the stop. The connector can be rotated relative to the receiving portion to a selected coronal angle orientation to receive a spinal rod.

[0006] In one embodiment, a spinal implant system is provided. The spinal implant system includes a spinal implant having a column including a receiving portion having at least one inner protrusion and a stopper. A connector defines an implant cavity. The connector includes a base having at least one outer protrusion that can be positioned together with the at least one inner protrusion to attach the connector to the receiving portion. The base defines a transverse channel. A fixing element can be placed in the channel and can engage with the stopper. A spinal rod can engage with the spinal implant. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 is a perspective view of components of one embodiment of a spinal implant system according to the principles of the present disclosure;

[0008] Figure 2 yes Figure 1 a perspective view of the assembly shown with the parts separated;

[0009] Figure 3 yes Figure 1 a perspective view of components of the illustrated system;

[0010] Figure 4 yes Figure 3 a plan view of the components shown;

[0011] Figure 5 yes Figure 3 a cross-sectional view of the components shown;

[0012] Figure 6 yes Figure 1 a plan view of the components of the system shown;

[0013] Figure 7 yes Figure 6 a perspective view of the components shown;

[0014] Figure 8 yes Figure 1 a cross-sectional view of the components shown;

[0015] Fig. 9 yes Figure 1 a perspective view of the components shown;

[0016] Fig.10 yes Figure 1 a perspective view of the components shown;

[0017] Fig.11 is a perspective view of components of one embodiment of a spinal implant system in accordance with the principles of the present disclosure positioned with a patient's anatomy;

[0018] Fig.12is a perspective view of components of one embodiment of a spinal implant system in accordance with the principles of the present disclosure positioned with a patient's anatomy;

[0019] Fig.13 It is placed with the patient's anatomy Fig.12 an exploded view of the components of the system shown;

[0020] Fig.14 is a perspective view of components of one embodiment of a spinal implant system according to the principles of the present disclosure;

[0021] Fig.15 yes Fig.14 a perspective view of the assembly shown with the parts separated;

[0022] Fig.16 yes Fig.14 a perspective view of components of the illustrated system;

[0023] Fig.17 yes Fig.16 a plan view of the components shown;

[0024] Fig.18 yes Fig.16 a cross-sectional view of the components shown;

[0025] Fig.19 yes Fig.14 a plan view of the components of the system shown;

[0026] Fig. 20 yes Fig.14 a plan view of the components of the system shown; and

[0027] Fig.21 yes Fig.14 Cross-sectional view of components of the system shown. DETAILED DESCRIPTION

[0028] According to medical devices for treating musculoskeletal disorders, and more specifically, according to spinal implant systems and methods for treating spinal disorders, exemplary embodiments of the disclosed surgical systems and related methods of use are discussed. In some embodiments, the spinal implant system includes a spinal implant, for example, a column including a receiving portion and a connector, the receiving portion and the connector being configured to be used in combination with a spinal implant (e.g., a spinal rod) to facilitate connection of the spinal rod with a bone fastener (e.g., an iliac nail). In some embodiments, the spinal implant system provides stability to a portion of the patient's anatomical structure, such as a vertebra, a sacroiliac (SI) joint, and / or an ilium, and maintains structural integrity while also alleviating stress on the SI joint and / or an anatomical structure portion adjacent to the SI joint.

[0029] In some embodiments, spinal implant system of the present invention has spinal implant, and this spinal implant comprises outside connector and post, and this outside connector and this post help to be connected with the bone fastener that is placed in vertebra, SI joint and / or ilium, for spinal deformity procedure.In some embodiments, spinal implant can be connected on the coronal plane of health, so that be connected to one or more iliac nails.In some embodiments, spinal implant is connected on the coronal plane, so that iliac nail is connected with spinal implant (for example, spinal rod).In some embodiments, spinal implant comprises closed connector, and this connector is configured to be connected with outside offset post.In some embodiments, spinal implant comprises top-mounted or open connector, and this connector is configured to be connected with outside offset post.

[0030] In some embodiments, the spinal implant system of the present invention has a spinal implant, which includes an outer connector and a column with a receiving portion. In some embodiments, the receiving portion includes a mating surface, which defines one or more protrusions and one or more openings. In some embodiments, the connector includes a mating surface, which defines one or more protrusions. In some embodiments, the protrusion connection is configured to fix the connector and the receiving portion together. In some embodiments, one or more protrusions of the connector and one or more protrusions of the receiving portion are configured for removable orientation and attached orientation. In some embodiments, one or more protrusions of the connector and one or more protrusions of the receiving portion are configured to align in the attached orientation and be misplaced in the removable orientation relative to each other. In some embodiments, in the attached orientation, one or more protrusions of the connector and the receiving portion are in an obstructing orientation to provide a rigid attachment between the connector and the receiving portion. In some embodiments, in the removable orientation, the connector is configured to disengage from the receiving portion when one or more protrusions are aligned with one or more openings of the receiving portion. In some embodiments, one or more openings of the receiving portion may alternatively include one or more keyways. In some embodiments, the one or more protrusions of the connector may alternatively include one or more keys. In some embodiments, the one or more protrusions of the connector and the one or more protrusions of the receiving portion may alternatively include one or more flanges.

[0031] In some embodiments, the spinal implant system of the present invention has a spinal implant, which includes an outer connector, a column and a fixing element. In some embodiments, the fixing element is configured to connect the receiving portion to the connector. In some embodiments, the fixing element includes a wire. In some embodiments, the connector includes a surface that defines a hole and a channel configured to insert a wire. In some embodiments, the wire is inserted into the channel to set an angle limit and connect the connector to the receiving portion. In some embodiments, the channel is defined from the bottom of the connector end. In some embodiments, the cross-section of the receiving portion of the column is smaller than the cross-section of the connector. In some embodiments, the channel is located at the bottom of the connector to maintain the structural integrity of the side wall of the column. In some embodiments, the material cross-section of the connector end is larger than the cross-section of the receiving portion. In some embodiments, the end of the wire is configured to prevent one or more protrusions of the connector from moving out of position with one or more protrusions of the receiving portion, thereby preventing the connector and the receiving portion from being separated. In some embodiments, the sidewall of the one or more protrusions of the receiving portion maintains, hinders or otherwise contacts the end of the wire to maintain the connection of the connector to the receiving portion.

[0032] In some embodiments, the spinal implant of spinal implant system of the present invention can be modular, so that post is configured to be interchangeable with the connector (for example, closed connector and / or top-mounted or open connector) of one or more alternative configurations. In some embodiments, spinal implant comprises different post lengths, post diameters and / or adopts the same or different materials to make. In some embodiments, post can have selected length, to adapt to selected anatomical structure and / or surgical procedure. In some embodiments, post can be selectively cut before or during the procedure so that the length of post is suitable for specific surgical site.

[0033] In some embodiments, the spinal implant system of the present invention has a spinal implant, which includes a column and an outer connector, and the column can pivot relative to the connector. In some embodiments, the column can pivot relative to the connector within a range of about + / -15 degrees. In some embodiments, the column can pivot relative to the connector on the coronal plane of the patient's body. In some embodiments, the column includes a + / -25 degree rotation relative to the connector. In some embodiments, the connector is configured to rotate 90 degrees relative to the column. In some embodiments, the connector includes a closed outer connector or a top-mounted or open outer connector. In some embodiments, the connector has a profile similar to or identical to the existing outer connector above the rod at the sacral region, so that most of the connector material is placed in front of the spinal rod, thereby minimizing the profile of the spinal implant system behind the spinal rod. In some embodiments, the spinal implant system of the present invention includes a bone fastener, which includes a multi-axial iliac nail. In some embodiments, the multi-axial iliac nail includes a low profile to alleviate the patient's iliac pain. In some embodiments, relative to a standard multi-axial screw, the multi-axial iliac nail includes a reduced profile of about 3mm.

[0034] In some embodiments, one or all components of the spinal implant system can be disposable, stripped packaged, prepackaged sterile devices. One or all components of the spinal implant system can be reused. The spinal implant system can be configured as a kit with multiple sized and configured components.

[0035] In some embodiments, the spinal implant system of the present disclosure can be used for treating spinal disorders, for example, degenerative disc disease, disc herniation, osteoporosis, spondylolisthesis, stenosis, scoliosis and other abnormal curvatures, kyphosis, tumors and fractures. In some embodiments, the spinal implant system of the present disclosure can be adopted together with other skeletons and bone-related applications, and the application includes those applications associated with diagnosis and therapy. In some embodiments, the disclosed spinal implant system can be used alternatively for surgical treatment of the patient in prone or supine position, and / or various surgical methods are adopted to the spine, including front, back, rear midline, direct lateral, posterior lateral and / or anterolateral methods, and in other body regions. The spinal implant system of the present disclosure can also be adopted alternatively with the program for treating the lumbar vertebrae, cervical vertebrae, thoracic vertebrae, sacrum and pelvic region of the spine. The spinal implant system of the present disclosure can also be used on animals, bone models and other inanimate substrates, for example, in training, testing and demonstration.

[0036] By referring to the detailed description of the embodiments carried out in conjunction with the accompanying drawings that form a part of the present disclosure below, the spinal implant system of the present disclosure can be more easily understood. It should be understood that the present application is not limited to the specific equipment, methods, conditions or parameters described and / or shown herein, and the terms used herein are only for describing specific embodiments by way of example, rather than for limiting. In some embodiments, as used in the specification, and including the appended claims, the singular forms "one" and "the" include plural numbers, and references to specific numerical values ​​include at least the specific value, unless the context clearly stipulates otherwise. The range can be expressed as "about" or "approximately" a specific value and / or "about" or "approximately" another specific value in this article. When expressing such a range, another embodiment includes from a specific value and / or to another specific value. Similarly, when a value is expressed as an approximate value by using the antecedent "about", it should be understood that a specific value forms another embodiment. It should also be understood that all spatial references (e.g., horizontal, vertical, top, upper, lower, bottom, left and right) are only for illustrative purposes and can be changed within the scope of the present disclosure. For example, references to "upper" and "lower" are relative and are used only in the context of another situation and are not necessarily "upper" and "lower".

[0037] As used in this specification and the appended claims, "treating" of a disease or condition means performing a procedure that may include administering one or more drugs to a patient (human, normal or other human or other mammal), using an implantable device, and / or using an instrument for treating the disease (e.g., a microdiscectomy instrument for removing a portion of a bulging or herniated disc and / or bone spurs) to alleviate the signs or symptoms of the disease or condition. Relief may occur before the signs or symptoms of the disease or condition appear, or after they appear. Thus, treatment includes preventing the disease or adverse condition (e.g., preventing the disease from occurring in a patient who may be susceptible to the disease but has not yet been diagnosed with the disease). In addition, treatment does not require complete relief of signs or symptoms, does not require a cure, and specifically includes procedures that have only a minimal effect on the patient. Treatment may include inhibiting the disease, such as stopping its development or alleviating the disease, such as causing the disease to regress. For example, treatment may include reducing acute or chronic inflammation; alleviating and relieving pain and promoting the regrowth of new ligaments, bones and other tissues; as an adjunct to surgery; and / or any repair procedure. In some embodiments, unless otherwise expressly indicated, the term "tissue" as used in the specification and including the appended claims includes soft tissue, ligament, tendon, cartilage, and / or bone.

[0038] The following discussion contains descriptions of surgical systems including spinal implants, related components, and methods of using the surgical systems according to the principles of the present disclosure. Alternative embodiments are disclosed. Reference is made to the exemplary embodiments of the present disclosure illustrated in the accompanying drawings. Figures 1 to 21 , components of a surgical system, such as a spinal implant system 10, are shown.

[0039] The components of the spinal implant system 10 can be made of bio-acceptable materials suitable for medical applications, including metals, synthetic polymers, ceramics, and bone materials and / or composites thereof. For example, the components of the spinal implant system 10 can be made individually or collectively of materials such as stainless steel alloys, aluminum, commercially pure titanium, titanium alloys, grade 5 titanium, superelastic titanium alloys, cobalt-chromium alloys, superelastic metal alloys (e.g., Nitinol, superelastic metals such as GUM, etc.), and superelastic metals such as PTFE, PTFE, and PTFE. ), ceramics and their composites (such as calcium phosphate (e.g., SKELITE TM ), thermoplastics (such as polyaryletherketone (PAEK), including polyetheretherketone (PEEK), polyetherketoneketone (PEKK) and polyetherketone (PEK), carbon-PEEK composites, PEEK-BaSO 4 Polymeric rubber, polyethylene terephthalate (PET)), fabrics, silicone, polyurethane, silicone-polyurethane copolymers, polymeric rubber, polyolefin rubber, hydrogels, semi-rigid and rigid materials, elastomers, rubbers, thermoplastic elastomers, thermosetting elastomers, elastomeric composites, rigid polymers (including polyphenylene, polyamide, polyimide, polyetherimide, polyethylene, epoxy resins), bone materials (including autologous transplants, allogeneic transplants, xenografts or transgenic cortical bone and / or cortical spongy bone and tissue growth or differentiation factors), partially absorbable materials (e.g., composites of metal and calcium-based ceramics, composites of PEEK and calcium-based ceramics, composites of PEEK and absorbable polymers), fully absorbable materials (e.g., calcium-based ceramics such as calcium phosphate, tricalcium phosphate (TCP), hydroxyapatite (HA)-TCP, calcium sulfate or other absorbable polymers such as polylactide, polyglycolide, polytyrosine carbonate, polycaprolactone) and combinations thereof.

[0040] The various components of spinal implant system 10 may have a material composite including the above-mentioned materials to achieve various desired properties, such as strength, rigidity, elasticity, compliance, biomechanical properties, durability and radiolucency or imaging preference. The components of spinal implant system 10 may also be made of heterogeneous materials (such as a combination of two or more of the above-mentioned materials) individually or collectively. The components of spinal implant system 10 may be integrally formed, integrally connected or include fastening elements and / or instruments, as described herein. Spinal implant system 10 is, for example, used in conjunction with minimally invasive surgery, and the minimally invasive surgery includes percutaneous techniques, micro-open and open surgical techniques, to deliver and introduce components of instruments and / or spinal structures at the surgical site in the patient, such as a segment of the spine. In some embodiments, spinal implant system 10 is configured for deformity correction procedures, including spondylolisthesis, kyphosis and scoliosis correction procedures. In some embodiments, one or more components of the spinal implant system 10 are configured to engage with existing spinal structures, which may include fastener implants and / or spinal rod implants attached to vertebrae to manipulate tissue and / or correct spinal conditions during revision surgery, as described herein.

[0041] The spinal implant system 10 includes a spinal implant 12 configured to couple to a spinal rod 14 to facilitate coupling the spinal rod 14 to a bone fastener, such as an iliac nail 16, such as Figures 1 to 11 The spinal implant system 10 provides stability and maintains structural integrity to a portion of a patient's anatomy, such as a vertebra, SI joint, and / or ilium, while also relieving stress on the SI joint and / or portions of the anatomy adjacent to the SI joint.

[0042] The spinal implant 12 is configured to attach to the vertebrae, sacrum and / or ilium and to couple one or more components of the spinal implant 12 in a plane of the patient's body (e.g., the coronal plane). The spinal implant 12 includes a post 18 that is configured to attach to a connector 20, such as a Figure 1 The column 18 extends between the end 22 and the end 24, and the column 18 defines a longitudinal axis AA, as shown in FIG. Figure 2 The end portion 22 includes a receiving portion 26 configured for engagement with the connector 20. The end portion 22 includes a circular configuration.

[0043] The receiving portion 26 includes an inner surface that defines a mating surface 28, such as Figure 6 and Figure 7The mating surface 28 includes at least one inwardly projecting surface, such as inner protrusions 30, 32. The protrusions 30, 32 are configured to engage with outwardly projecting protrusions 34, 36 of the connector 20 so that the protrusions 34, 36 can move relative to the receiving portion 26 between a removable orientation and an attached orientation, as described herein.

[0044] The inner surface of the receiving portion 26 defines openings 38, 40. The protrusion 30 is spaced apart from the protrusion 32 via the openings 38, 40. The openings 38, 40 are configured to align with the protrusions 34, 36 of the connector 20 in a removable orientation, as described herein. The protrusion 30 includes a side wall 42 and a side wall 44. The side wall 42 includes a stop 46 and the side wall 44 includes a stop 48. The stops 46, 48 are capable of engaging with a fixing element (e.g., a wire 50), as described herein and Figure 8 As shown. Stops 46, 48 are configured to prevent the connector 20 from rotating when attached to the receiving portion 26. The side walls 42, 44 are angled and have a lead-in or ramp configuration. The protrusion 32 includes a side wall 52 and a side wall 54. The side wall 52 includes a stop 56 and the side wall 54 includes a stop 58. The stops 56, 58 are capable of engaging with the wire 50. The stops 56, 58 are configured to prevent the connector 20 from rotating when attached to the receiving portion 26. The side walls 52, 54 are angled and have a lead-in or ramp configuration.

[0045] The end 24 of the post 18 is configured to engage with a portion of the iliac nail 16 or the iliac nail 17, such as Figure 2 and Figures 11 to 13 As shown, the end portion 24 comprises a cylindrical configuration.

[0046] In some embodiments, the end 22 of the post 18 may have different structures and sizes, such as elliptical, rectangular, square, rectangular, polygonal, irregular, uniform, non-uniform, offset, staggered, tapered, consistent, and / or deformable. In some embodiments, the protrusions 30, 32 may have different structures and sizes, such as elliptical, rectangular, square, rectangular, polygonal, irregular, uniform, non-uniform, offset, staggered, tapered, consistent, and / or deformable. In some embodiments, the protrusions 30, 32 may alternatively include flanges, splines, flanges, and / or protrusions. In some embodiments, all or a portion of the protrusions 30, 32 may be circumferential. In some embodiments, the mating surface 28 may have alternative surface configurations, such as rough, arched, wavy, porous, semi-porous, pitted, polished, and / or textured. In some embodiments, all or a portion of the openings 38, 40 may have different configurations and sizes, for example, oval, oblong, square, rectangular, polygonal, irregular, uniform, non-uniform, offset, staggered, tapered, uniform, and / or deformable. In some embodiments, the openings 38, 40 may alternatively include keyways. In some embodiments, the sidewalls 42, 44 and the sidewalls 52, 54 may have different configurations and sizes, for example, irregular, uniform, non-uniform, offset, staggered, tapered, uniform, and / or deformable.

[0047] In some embodiments, the end 24 of the post 18 can have alternative cross-sectional configurations, for example, cylindrical, oval, rectangular, triangular, square, polygonal, irregular, uniform, non-uniform, offset, staggered, wavy, arcuate, deformable, and / or tapered. In some embodiments, the end 24 can have alternative surface configurations, for example, smooth, rough, arcuate, wavy, reticular, porous, semi-porous, concave, and / or textured.

[0048] The connector 20 comprises a closed connector, such as Figure 1 The connector 20 can be rotated relative to the receiving portion 26 to a selected angular orientation to receive the spinal rod 14, such as Fig. 9 and Figures 11 to 13 The connector 20 extends between the end 62 and the end 64, and the connector 20 defines a longitudinal axis BB, as shown in FIG. Figure 2 As shown. The longitudinal axis AA is arranged perpendicularly relative to the longitudinal axis BB. The connector 20 defines an implant cavity 66, which is configured to engage with the spinal rod 14. The inner surface includes a plurality of threads 68, which are configured to engage with a set screw (not shown) so that when the spinal rod 14 is received by the connector 20, the spinal rod 14 can be fixed to the connector 20 via the set screw.

[0049] The end portion 64 of the connector 20 includes a base portion 70, such as Figure 3 and Figure 4 As shown. The base 70 includes an outer surface that defines a mating surface 72. The mating surface 72 is positionable with the mating surface 28 to attach the connector 20 to the receiving portion 26. The mating surface 72 includes at least one outwardly projecting surface, such as the protrusions 34, 36, described herein. The protrusions 34, 36 are configured to engage with the protrusions 30, 32 of the receiving portion 26 so that the protrusions 34, 36 can be moved relative to the receiving portion 26 between a removable orientation and an attached orientation. The protrusions 34, 36 can be rotated relative to the protrusions 30, 32 of the receiving portion 26 for alignment in an obstructing orientation, such as Figure 8 and Fig. 9 shown.

[0050] In the removable orientation, the protrusions 34, 36 of the connector 20 are misaligned with the protrusions 30, 32 of the receiving portion 26, and the protrusions 34, 36 are aligned with the openings 38, 40 of the receiving portion 26, so that the connector 20 can be removed from the receiving portion 26. In the attached orientation, the protrusions 34, 36 are aligned with and engaged with the protrusions 30, 32 to attach the connector 20 to the receiving portion 26. In the attached orientation, the protrusions 30, 32 are aligned with the protrusions 34, 36 and are positioned in a blocking orientation.

[0051] The inner surface of the base 70 defines a channel 74, such as Figure 5 As shown. Channel 74 is transverse relative to connector 20. Wire 50 is configured to be placed in channel 74, and end 76 of wire 50 can engage with stoppers 46, 48, 56 and 58 to connect connector 20 to receiving portion 26. Wire 50 is configured to slide in engagement with the inner surface defining channel 74. In some embodiments, wire 50 is configured to engage with the inner surface of channel 74 in a friction fit manner. Channel 74 extends from distally facing opening 78 to outer side opening 80, and channel 74 defines longitudinal axis CC. Longitudinal axis CC is transverse relative to longitudinal axis BB. Channel 74 is angled relative to longitudinal axis BB and longitudinal axis AA. In some embodiments, wire 50 is welded to the surface of opening 78. In some embodiments, wire 50 is retained in channel 74 via riveting or deforming the surface of opening 78.

[0052] In some embodiments, the post 18 includes + / - 25 degrees of rotation relative to the connector 20. In some embodiments, the connector 20 is configured to rotate 90 degrees relative to the post 18 and / or the receiving portion 26. In some embodiments, the post 18 can pivot relative to the connector 20 within a range of + / - 15 degrees, such as Fig.10In some embodiments, post 18 is capable of pivoting relative to connector 20 relative to the coronal plane of the patient's body.

[0053] In some embodiments, the connector 20 can be coupled to the receiving portion 26 in an alternative fixing configuration, such as a friction fit, a press fit, a locking protrusion / recess, a locking keyway, and / or an adhesive. In some embodiments, the connector 20 can be arranged with the receiving portion 26 for relative movement, such as lateral, vertical, and / or other angular orientations, including acute or obtuse angles, coaxial, and / or offset or staggered. In some embodiments, the connector 20 can be movable relative to the receiving portion 26 in an alternative plane relative to the body (e.g., a transverse and / or sagittal plane of the body).

[0054] In some embodiments, the projections 34, 36 may have different structures and sizes, such as oval, oblong, square, rectangular, polygonal, irregular, uniform, non-uniform, offset, staggered, tapered, consistent, and / or deformable. In some embodiments, the projections 34, 36 may alternatively include flanges, keys, splines, flanges, and / or protrusions. In some embodiments, all or a portion of the projections 34, 36 may be circumferential. In some embodiments, the mating surface 72 may have alternative surface configurations, such as rough, arched, wavy, porous, semi-porous, pitted, polished, and / or textured.

[0055] In some embodiments, the channels 74 can have different structures and sizes, for example, oval, oblong, square, rectangular, polygonal, irregular, uniform, non-uniform, offset, staggered, tapered, consistent, and / or deformable. In some embodiments, the channels 74 can be arranged in alternative orientations relative to the longitudinal axis BB and / or the longitudinal axis CC, for example, perpendicular and / or other angular orientations, including acute or obtuse angles, coaxial, and / or offset or staggered.

[0056] In some embodiments, spinal implant 12 can be placed together with iliac nail 16 and / or spinal rod 14, so that relative to the orientation of iliac nail 16 and / or spinal rod 14, for example, horizontal, vertical and / or other angle orientation, including acute angle or obtuse angle, coaxial and / or can be offset or staggered. In some embodiments, spinal implant 12 can be on the alternative plane relative to the body (for example, the cross section and / or sagittal plane of the body) relative to iliac nail 16 and / or spinal rod 14 mobile.

[0057] In assembly, operation and use, the spinal implant system 10, including the spinal implant 12, the spinal rod 14 and the iliac nail 16 or the iliac nail 17, is similar to the spinal implant system 10 described above. Figures 1 to 13and can be used in conjunction with surgical procedures to treat spinal disorders affecting segments of the spine, including vertebra V, sacrum S, ilium I, and / or sacroiliac SI joints of the patient's pelvis, such as Figures 11 to 13 As shown. The spinal implant system 10 may also be employed with other surgical procedures. In some embodiments, the spinal implant system 10 is attached to vertebra V, sacrum S, ilium I and / or SI joint for deformity correction procedures, including spondylolisthesis, kyphosis and / or scoliosis correction procedures.

[0058] In use, for treating the affected section of vertebra, the practitioner obtains access to the surgical site in any appropriate manner (e.g., by incision and contraction of tissue), including vertebra V, sacrum S, ilium I and / or SI joint. In some embodiments, spinal implant system 10 can be used for any existing surgical method or technology, including open surgery, micro-open surgery, minimally invasive surgery and percutaneous surgery implantation, thus entering vertebra V, sacrum S, ilium I and / or SI joint by micro-incision or sleeve, which provides protected passage for the region. Once access to the surgical site is obtained, specific surgical procedures can be performed to treat bone disorders. Then spinal implant system 10 is used to enhance surgical treatment. In some embodiments, spinal implant system 10 can be delivered or implanted as a preassembled device, or can be assembled in situ. Spinal implant system 10 can be modified, removed or replaced in whole or in part.

[0059] A pilot hole is made in a portion of the ilium I, a portion of the sacrum S, and a portion of the vertebra V for receiving an iliac nail 16 or a bone screw 60. The spinal rod 14 is positioned with the bone screw 60. The end 24 of the column 18 is attached with the iliac nail 16, such as Fig.11 As shown, the receiving portion 26 of the column 18 is attached to the connector 20 in an assembled configuration. In some embodiments, the end 24 of the column 18 is attached with a bone fastener 17, such as Figure 12 to Figure 13 shown.

[0060] The connector 20 can be rotated relative to the receiving portion 26 to a selected angular orientation to receive the spinal rod 14, such as Figures 11 to 13 A set screw (not shown) may engage threads 68 of connector 20 to secure spinal rod 14 using connector 20. In some embodiments, connector 20 is configured to rotate 90 degrees relative to receiving portion 26. In some embodiments, post 18 is capable of pivoting relative to connector 20 within a range of + / - 15 degrees. In some embodiments, post 18 is capable of pivoting relative to the coronal plane of the patient's body.

[0061] After the procedure is completed, the surgical instruments, components and non-implanted parts of the spinal implant system 10 are removed from the surgical site, and the incision is closed. One or more of the components of the spinal implant system 10 can be made of radiolucent materials (such as polymers). Radioactive markers may be included, which are used to identify under x-rays, fluoroscopy, CT or other imaging techniques. In some embodiments, the use of surgical navigation, microsurgery and image-guided technology can be used to enter, view and repair spinal deterioration or damage with the help of the spinal implant system 10.

[0062] In some embodiments, spinal implant system 10 includes medicament, and this medicament can be placed, packaged, coated or layered in, on or around the parts and / or surface of spinal implant system 10.In some embodiments, reagent can include bone growth promoting material, such as bone graft, to enhance the fixation of bone fastener and vertebra.In some embodiments, medicament can include one or more therapeutic agents and / or pharmacological agents for release (including sustained release), to treat pain, inflammation and degeneration, for example.

[0063] In one embodiment, Figures 14 to 21 As shown, a spinal implant system 10 similar to the systems and methods described herein includes a spinal implant 112 similar to the spinal implant 12. The spinal implant 112 is configured for attachment to a vertebra, such as the ilium, and for engagement in a plane (e.g., the coronal plane of the patient's body) to connect with the iliac nail 16 and the spinal rod 14.

[0064] Spinal implant 112 includes a connector 120 (similar to connector 20) and a post 18 including a receiving portion 26 configured to engage connector 120, such as Fig.14 The connector 120 is configured to be attached to the post 18 as described herein. The connector 120 comprises an open or top-mounted connector. The connector 120 can be rotated relative to the receiving portion 26 to a selected angular orientation to receive the spinal rod 14.

[0065] The connector 120 extends between the end 162 and the end 164, and the connector 120 defines a longitudinal axis DD. Fig.15 As shown. The longitudinal axis AA of the column 18 is perpendicular to the longitudinal axis DD. The connector 120 includes an arm 182 and an arm 184 spaced apart from the arm 182. The arms 182, 184 each extend parallel to the axis DD. The arm 182 includes an arcuate outer surface that defines a recess or cavity 186, and the arm 184 includes an arcuate outer surface that defines a recess or cavity 188, as shown. Fig.18 The recesses or cavities 186, 188 are configured to receive insertion tools, compression instruments, and / or surgical instruments for manipulating the connector 120 (not shown).

[0066] The arms 182, 184 define an implant cavity 166 that is configured to engage with the spinal rod 14. The inner surface of each arm 182, 184 includes a plurality of threads 168, 169 configured to engage with a set screw (not shown) so that when the spinal rod 14 is received by the connector 120, the spinal rod 14 and the connector 120 can be fixed together via the set screw.

[0067] The end portion 164 of the connector 120 includes a base portion 170, such as Fig.16 and Fig.17 As shown. The base 170 includes an outer surface that defines a mating surface 172. The mating surface 172 is positionable with the mating surface 28 of the receiving portion 26 to attach the connector 120 to the receiving portion 26. The mating surface 172 includes at least one outwardly projecting surface, such as, for example, the protrusions 134, 136, described herein. The protrusions 134, 136 are configured to engage with the protrusions 30, 32 of the receiving portion 26 so that the protrusions 134, 136 can be moved relative to the receiving portion 26 between a removable orientation and an attached orientation, as described herein. The protrusions 134, 136 are rotatable relative to the protrusions 30, 32 of the receiving portion 26 for alignment in an obstructing orientation, such as Fig. 20 and Fig.21 shown.

[0068] In the removable orientation, the protrusions 134, 136 of the connector 120 are misaligned with the protrusions 30, 32 of the receiving portion 26, and the protrusions 134, 136 are aligned with the openings 38, 40 of the receiving portion 26, so that the connector 120 can be removed from the receiving portion 26. In the attached orientation, the protrusions 134, 136 are aligned with and engaged with the protrusions 30, 32 to attach the connector 120 to the receiving portion 26. In the attached orientation, the protrusions 30, 32 are aligned with the protrusions 134, 136 and are positioned in a blocking orientation.

[0069] The inner surface of the base 170 defines a channel 174, such as Figures 17 to 21 174 is transverse to the connector 120. The wire 50 is configured to be disposed within the channel 174, and the end 76 of the wire 50 is capable of engaging with the stops 46, 48, 56 and 58 of the receiving portion 26 to connect the connector 120 to the receiving portion 26. The wire 50 is configured to slidably engage with the inner surface defining the channel 174. In some embodiments, the wire 50 is configured to engage with the inner surface of the channel 174 in a friction fit. The channel 174 extends from a distally facing opening 178 to an outer side opening 180, and the channel 174 defines a longitudinal axis EE, as shown in FIG. Fig.18As shown. The longitudinal axis EE is transverse to the longitudinal axis DD. The channel 174 is angled relative to the longitudinal axis DD and the longitudinal axis AA. In some embodiments, the wire 50 is welded to the surface of the opening 178. In some embodiments, the wire 50 is retained in the channel 174 by riveting or deforming the surface of the opening 178.

[0070] In some embodiments, the connector 120 can be coupled to the receiving portion 26 in an alternative fixing configuration, such as a friction fit, a press fit, a locking protrusion / recess, a locking keyway, and / or an adhesive. In some embodiments, the connector 120 can be arranged with the receiving portion 26 for relative movement, such as lateral, vertical, and / or other angular orientations, including acute or obtuse angles, coaxial, and / or offset or staggered. In some embodiments, the connector 120 can be movable relative to the receiving portion 26 in an alternative plane relative to the body (e.g., a transverse and / or sagittal plane of the body).

[0071] It should be understood that various modifications may be made to the embodiments disclosed in the present invention. Therefore, the above description should not be understood as limiting, but only as an illustration of various embodiments. Those skilled in the art will be able to envision other modifications within the scope and essence of the claims attached hereto.

Claims

1. A spinal implant comprising: a post including a receiving portion having a first mating surface and a stop; a connector defining an implant cavity, The connector includes a base having a second mating surface positionable with the first mating surface to attach the connector to the receiving portion, the base defining a transverse channel; and A securing element is positionable in the passage and engageable with the stop.

2. The spinal implant of claim 1, wherein the first mating surface comprises at least one inwardly protruding surface.

3. The spinal implant of claim 2, wherein the second mating surface comprises at least one outwardly protruding surface.

4. The spinal implant of claim 1, wherein the first mating surface comprises at least one inner protrusion.

5. The spinal implant of claim 4, wherein the second mating surface comprises at least one external protrusion.

6. The spinal implant of claim 1, wherein the first mating surface comprises a first inner protrusion and a second inner protrusion, the protrusions being spaced apart.

7. The spinal implant of claim 1, wherein the first mating surface includes at least one inner protrusion and the second mating surface includes at least one outer protrusion, the at least one outer protrusion being rotatable relative to the at least one inner protrusion for alignment in an obstructing orientation.

8. The spinal implant of claim 1, wherein the first mating surface comprises at least one inner protrusion and the second mating surface comprises at least one outer protrusion, the at least one outer protrusion and the at least one inner protrusion being movable relative to the receiving portion between a removable orientation and an attached orientation.

9. The spinal implant of claim 8, wherein the removable orientation includes the at least one outer protrusion being misaligned with the at least one inner protrusion, and the attached orientation includes the at least one outer protrusion being aligned with the at least one inner protrusion.

10. A spinal implant according to claim 8, wherein the at least one inner protrusion includes a first protrusion and a second protrusion, the first protrusion and the second protrusion defining at least one opening therebetween, such that the removable orientation includes the at least one outer protrusion aligned with the at least one opening, and the attached orientation includes the at least one inner protrusion aligned with the at least one outer protrusion and positioned in an obstructing orientation.

11. The spinal implant of claim 1 , wherein the fixation element comprises a guide wire.

12. The spinal implant of claim 11, wherein the passageway extends from a distally facing opening to a lateral opening.

13. The spinal implant of claim 12, wherein an end of the wire is configured to engage a side wall of the first mating surface to connect the connector to the receiving portion.

14. The spinal implant of claim 1, wherein the connector is rotatable relative to the receiving portion to a selected angular orientation to receive a spinal rod.

15. The spinal implant of claim 1, wherein the connector is a closed spinal rod receiver.

16. The spinal implant of claim 1, wherein the connector is an open spinal rod receiver.

17. A spinal implant comprising: a post including a receiving portion having at least one inner protrusion and a stop; a connector defining an implant cavity; The connector includes a base having at least one outer projection positionable with the at least one inner projection to attach the connector to the receiving portion, the base defining a transverse channel; and a wire capable of being disposed in the passage and capable of engaging the stopper, The connector is rotatable relative to the receiving portion to a selected coronal angle orientation to receive a spinal rod.

18. The spinal implant of claim 17, wherein the at least one outer protrusion is rotatable relative to the receiving portion for alignment with the at least one inner protrusion in an obstructing orientation.

19. The spinal implant of claim 17, wherein an end of the wire is configured to engage a side wall of the at least one inner protrusion to connect the connector to the receiving portion.

20. A spinal implant system, comprising: A spinal implant comprising a post including a receiving portion having at least one inner protrusion and a stop; a connector defining an implant cavity, the connector comprising a base having at least one outer projection positionable with the at least one inner projection to attach the connector to the receiving portion, the base defining a transverse passage; and a securing element positionable in the passage and engageable with the stop; and A spinal rod is engageable with the spinal implant.

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