WO2015094409A1 - Appareil de guidage d'alignement, procédés et systèmes - Google Patents

Appareil de guidage d'alignement, procédés et systèmes Download PDF

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Publication number
WO2015094409A1
WO2015094409A1 PCT/US2014/045441 US2014045441W WO2015094409A1 WO 2015094409 A1 WO2015094409 A1 WO 2015094409A1 US 2014045441 W US2014045441 W US 2014045441W WO 2015094409 A1 WO2015094409 A1 WO 2015094409A1
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WO
WIPO (PCT)
Prior art keywords
alignment
bone plate
bone
hole
joint
Prior art date
Application number
PCT/US2014/045441
Other languages
English (en)
Inventor
Albert DACOSTA
Thomas SANGIOVANNI
Original Assignee
Paragon 28, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US2013/077211 external-priority patent/WO2014105750A1/fr
Application filed by Paragon 28, Inc. filed Critical Paragon 28, Inc.
Priority to US14/655,943 priority Critical patent/US9936995B2/en
Publication of WO2015094409A1 publication Critical patent/WO2015094409A1/fr
Priority to US15/948,759 priority patent/US10327829B2/en
Priority to US16/450,505 priority patent/US11395691B2/en
Priority to US17/450,767 priority patent/US11779382B2/en
Priority to US18/484,032 priority patent/US20240050140A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • A61B17/8019—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones where the means are a separate tool rather than being part of the plate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1717—Guides or aligning means for drills, mills, pins or wires for applying intramedullary nails or pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1728—Guides or aligning means for drills, mills, pins or wires for holes for bone plates or plate screws

Definitions

  • the present invention relates generally to the field of orthopedics related to a bone plate alignment guide apparatus', systems, and methods for using the bone plate alignment guide apparatus.
  • the present invention is directed toward devices, methods and systems for aligning and securing an orthopedic bone plate for compression of a joint.
  • the bone plate alignment guide apparatus may include a body.
  • the body may include an arm with a first end and a second end, an attachment portion at the first end, and an alignment portion at the second end.
  • the bone plate alignment guide apparatus may also include a fixation insert configured to pass through the attachment portion and a guide pin configured to pass through the alignment portion.
  • the bone plate alignment guide apparatus may also include a screw configured to engage the guide pin.
  • the bone plate alignment system includes a bone plate, a bone plate alignment guide, a screw, at least one first fastener, and at least one second fastener.
  • the bone plate of the system includes a first end, a second end, and an intermediate portion connecting the first end and the second end.
  • the bone plate may include at least one through hole in the first end, at least one through hole in the second end, and at least one opening between the first end and the second end.
  • the bone plate alignment guide of the system includes a body including an arm with a first end and a second end, an attachment portion at the first end, and an alignment portion at the second end.
  • the bone plate alignment guide also includes a fixation insert configured to pass through the attachment portion and a guide wire configured to pass through the alignment portion.
  • the fixation insert couples to the at least one opening of the bone plate.
  • the system may also include a screw configured to engage the guide wire during insertion into at least one portion of bone.
  • the system also includes at least one first fastener for insertion through the at least one through hole on the first end of the bone plate and into a first portion of bone.
  • the system may also include at least one second fastener for insertion through the at least one through hole on the second end of the bone plate and into a second portion of bone.
  • the method including preparing the joint and obtaining a bone plate alignment guide apparatus.
  • the bone plate alignment guide apparatus may include a body, a fixation insert, a guide pin, and a screw.
  • the body includes an arm with a first end and a second end, an attachment portion at the first end, and an alignment portion at the second end.
  • the fixation insert is configured to engage the attachment portion.
  • the guide pin is configured to pass through the alignment portion.
  • the screw is configured to engage the guide pin.
  • the method may also include aligning a bone plate on the joint and inserting at least one first temporary fixation pin to secure the bone plate to a first bone of the joint.
  • the method may further include inserting at least one second temporary fixation pin to secure the bone plate to a second bone of the joint.
  • the method may also include attaching the bone plate alignment guide apparatus to the bone plate in a desired position relative to the joint.
  • the method may also include inserting the guide pin across the joint through the alignment portion of the body of the bone plate alignment guide apparatus and inserting the screw over the guide pin to move the joint.
  • the method may further include securing the bone plate to the first bone and the second bone of the joint and removing the bone plate alignment guide apparatus. Further, the method may include closing the incision in the patient.
  • FIG. 1 is a side view of a bone plate alignment guide apparatus, in accordance with an aspect of the present invention
  • FIG. 2 is an exploded side view of the bone plate alignment guide apparatus of FIG. 1, in accordance with an aspect of the present invention
  • FIG. 3 is an end perspective view of the alignment guide of the bone plate alignment guide apparatus of FIG. 1, in accordance with an aspect of the present invention
  • FIG. 4 is a bottom perspective view of the alignment guide of FIG. 3, in accordance with an aspect of the present invention.
  • FIG. 5 is a top view of a bone plate for use with the bone plate alignment guide apparatus of FIG. 1, in accordance with an aspect of the present invention
  • FIG. 6 is a top view of the bone plate alignment guide of FIG. 1 being used to insert a fastener into a patient's bones, in accordance with an aspect of the present invention
  • FIG. 7 is a side view of the bone plate alignment guide of FIG. 1 being used to align the bone plate of FIG. 5 onto a patient's bones, in accordance with an aspect of the present invention
  • FIG. 8 is the side view of FIG. 7 with transparent bones showing the guide pin, compression screw and fasteners inserted into the patient's bones, in accordance with an aspect of the present invention
  • FIG. 9 is a side view of a bone plate alignment guide apparatus, in accordance with an aspect of the present invention.
  • FIG. 10 is an exploded side view of the bone plate alignment guide apparatus of FIG. 9, in accordance with an aspect of the present invention.
  • FIG. 11 is an end perspective view of the body of the bone plate alignment guide apparatus of FIG. 9, in accordance with an aspect of the present invention.
  • FIG. 12 is a bottom perspective view of the body of FIG. 11, in accordance with an aspect of the present invention.
  • FIG. 13 is a side view of the bone plate alignment guide apparatus and the guide pin tissue protector of FIG. 9 for use in inserting a fastener into the patient's bones, in accordance with an aspect of the present invention
  • FIG. 14 is a side view of the bone plate alignment guide, guide pin tissue protector, and guide pin of FIG. 9 being used to insert a fastener into a patient's bones, in accordance with an aspect of the present invention
  • FIG. 15 is a side view of the bone plate alignment guide and guide pin of FIG. 9 being used to insert a fastener into a patient's bones, in accordance with an aspect of the present invention
  • FIG. 16 is a side view of the patient's bones after removal of the bone plate alignment guide of FIG. 9 with the guide pin of FIG. 9 inserted across the patient's joint, in accordance with an aspect of the present invention
  • FIG. 17 is a side view of the patient's bones with a fastener partially inserted into the bones over the guide pin of FIG. 9, in accordance with an aspect of the present invention
  • FIG. 18 is a side view of the patient's bones with a fastener inserted across the patient's joint after removal of the guide pin of FIG. 9, in accordance with an aspect of the present invention
  • FIG. 19 depicts one embodiment of a method for compressing a joint, in accordance with an aspect of the present invention.
  • FIG. 20 is a perspective view of a bone plate alignment guide apparatus, in accordance with an aspect of the present invention.
  • FIG. 21 is a side view of the bone plate alignment guide apparatus of FIG. 20, in accordance with an aspect of the present invention.
  • FIG. 22 is an exploded side view of the bone plate alignment guide apparatus of FIG. 20, in accordance with an aspect of the present invention.
  • FIG. 23 is a bottom perspective view of the body of the bone plate alignment guide apparatus of FIG. 20, in accordance with an aspect of the present invention.
  • FIG. 24 is an end perspective view of the body of the bone plate alignment guide apparatus of FIG. 20, in accordance with an aspect of the present invention.
  • a bone plate alignment guide apparatus Generally stated, disclosed herein is an embodiment of a bone plate alignment guide apparatus. Further, a surgical method for using the bone plate alignment guide apparatus is discussed.
  • proximal, distal, anterior, posterior, medial, lateral, superior and inferior are defined by their standard usage for indicating a particular part of a bone or implant according to the relative disposition of the natural bone or directional terms of reference.
  • proximal means the portion of an implant nearest the torso
  • distal indicates the portion of the implant farthest from the torso.
  • anterior is a direction towards the front side of the body
  • posterior means a direction towards the back side of the body
  • medial means towards the midline of the body
  • lateral is a direction towards the sides or away from the midline of the body
  • superior means a direction above and “inferior” means a direction below another object or structure.
  • the bone plate alignment guide apparatus 10 includes a body 20, a fixation insert 30, a guide wire or pin 40, and a compression or lag screw 50.
  • the body 20 may include an arm 22 with an attachment portion 24 at a first end and an alignment portion 26 at a second end.
  • the arm 22 may be configured to position the through hole of the attachment portion generally perpendicular to the at least one through hole of the alignment portion, as shown in FIGS. 1- 4.
  • the arm 22 may be arcuate, curved, angled, and the like.
  • the fixation insert 30 may include a knob portion 32 and a shaft portion 34 with an alignment portion or alignment member 36 and a threaded section 38 for engaging the bone plate 80.
  • the guide pin 40 may be, for example, a pin, k-wire or the like.
  • the compression screw 50 may include a head portion 52 with a through hole 54 extending from the proximal end to the distal end of the screw 50 and a shank portion 56 extending away from the head portion 52 with a smooth upper portion 58 and a threaded portion 60 on the distal end of the screw 50.
  • the body 20 may also include a through hole 18 in the attachment portion 24 of the body 20 and a through hole 28 in the alignment portion 26 of the body 20.
  • the body 20 may also include an opening 16 in the attachment portion 24 for inserting an alignment post or pin which may also engage the plate 80 for positioning the bone plate alignment guide apparatus 10 on the bone plate 80, as shown in FIG. 4.
  • the bone plate 80 may include a first end 82 for attachment to a first bone 84 and a second end 86 for attachment to a second bone 88.
  • the first end 82 may be connected to the second end 86 of the bone plate 80 by an intermediate member or portion 85.
  • the bone plate 80 may also include at least one through hole 90 on the first end 82 of the plate 80 and at least one through hole 92 and a compression slot 94 on the second end 86 of the plate 80.
  • the at least one through hole 90 may be used to insert fasteners, for example, fixation screws or bone screws 100 into the first bone 84, for example, the distal bone.
  • the at least one through hole 92 may be used to insert fasteners, for example, fixation screws or bone screws 102 into the second bone 88, for example, the proximal bone.
  • the compression slot 94 may allow for insertion of a fastener which may translate within the slot 94 while the distal and proximal bones 84, 88 are moved or compressed.
  • the plate 80 may also include a first opening 96 for receiving the alignment post or pin (Not Shown). The alignment post or pin may also engage the opening 16 in the attachment portion 24 of the body 20 to align the alignment guide apparatus 10 with the plate 80.
  • the plate 80 may also include a second opening 98 which the through hole 18 may align with to allow for insertion of the alignment portion 36 and the threaded section 38 of the fixation insert 30.
  • the first opening 96 may be offset from the second opening 98 along the longitudinal axis of the plate 80 by, for example, approximately 30 to 40 degrees and more preferably by approximately 35 degrees.
  • the intermediate member 85 may include at least one alignment marking 87 for use in alignment of the plate 80 with respect to the joint space.
  • the method of using the bone plate alignment guide apparatus 10 includes opening the patient where joint compression and fixation is needed, for example a patient's foot, and preparing the joint for fixation.
  • the joint may be, for example, a metatarsal-phalangeal joint or any other joint or bones where compression and fixation is necessary.
  • the method may also include aligning the bone plate 80 on the distal and proximal bones 84, 88 by referring to the intermediate portion 85 of the plate 80 and aligning the at least one alignment marking 87 over the joint space.
  • the method may further include inserting, for example, temporary fixation pins, olive wires, k-wires or the like may be inserted to hold the bone plate 80 in position on the distal and proximal bones 84, 88.
  • temporary fixation pins olive wires, k-wires or the like
  • olive wires or other temporary fixation mechanisms which hold the plate 80 to the bones 84, 88 during compression and fixation are used.
  • the physician may then use fluoroscopy to confirm that the plate 80 is positioned on the distal and proximal bones 84, 88 in the desired position.
  • the bone plate alignment guide apparatus 10 may then be attached to the bone plate 80.
  • the alignment guide apparatus 10 may be attached to the bone plate 80 by first inserting an alignment pin or post (Not Shown) into the first opening 96 on the plate 80 and then aligning the opening 16 in the body 20 with the alignment post or pin inserted into the plate 80. Once the alignment post or pin is inserted into the first opening 96 in the plate 80 and the opening 16 in the body 20, then the shaft portion 34 of the fixation insert 30 may be inserted into through hole 18 in the body 20 of the alignment guide apparatus 10 to engage the second opening 98 in the plate 80.
  • an alignment pin or post (Not Shown) into the first opening 96 on the plate 80 and then aligning the opening 16 in the body 20 with the alignment post or pin inserted into the plate 80.
  • the fixation insert 30 may be inserted into the through hole 18 and used to align the body 20 with the second opening 98 on the plate 80, without using an alignment pin or post.
  • the plate 80 may, for example, include at least two positive stops (Not Shown) on the plate 80, providing the surgeon minimal amount of pivot of the body 20 of the alignment guide apparatus 10 about the second opening 98 of the plate 80.
  • the plate 80 may, for example, include having a plurality of first openings 96 for aligning the guide body 20 for insertion of the compression screw 50 without interfering with another fastener 100, 102.
  • the plate 80 may, for example, include at least two alignment markings 87 on the plate 80, which the surgeon may use to align the guide body 20 in a position to avoid the compression screw 50 and the fasteners 100, 102 from coming into contact with each other. Additional alignment mechanisms for aligning the guide body 20 to ensure the fasteners 100, 102 and the compression screw 50 do not come in contact are also contemplated.
  • the guide body 20 may then be aligned in the desired position relative to distal and proximal bones 84, 88 and the fixation insert 30 tightened to secure the body 20 of the alignment guide apparatus 10 to the plate 80 in the desired position.
  • the guide pin 40 for example, a k-wire, may be inserted in through hole 28 and into the distal and proximal bones 84, 88.
  • a drill may be inserted into the through hole 28 of the body 20 over the guide wire 40 to drill an opening in the distal and proximal bones 84, 88 for inserting the compression screw 50.
  • the drill may then be removed from the through hole 28 and a compression screw 50 may be inserted into the through hole 28 over the guide wire 40.
  • a compression screw 50 may be inserted into the through hole 28 over the guide wire 40.
  • the compression screw 50 is inserted over the guide wire 40 and into the distal and proximal bones 84, 88, the bones 84, 88 are pulled and compressed together.
  • the temporary fixation means for example, pins, olive wires, k-wires or the like, may be removed from the distal end 82 of the plate 80.
  • the fasteners 100 may be inserted into the at least one through hole 90, for example, in the depicted embodiments, there are three through holes 90, in the plate 80 and into the distal bone 84, for example, the proximal phalange.
  • the method may also include removing the temporary fixation means, for example, pins, olive wires, k-wires or the like from the proximal end 86 of the plate 80 and the fasteners 102 may be inserted into the at least one through hole 92, for example, in the depicted embodiments there are two through holes 92, in the plate 80 and into the proximal bone 88, for example, the metatarsal.
  • the position of the distal and proximal bones 84, 88 may be checked using, for example, fluoroscopy.
  • the physician may remove the alignment guide apparatus 10, by first removing the guide wire 40, then loosening the fixation insert 30 to disengage the second opening 98 in the plate 80 and remove the fixation insert 30 and the body 20 of the alignment guide apparatus 10 from the patient's bones 84, 88. Finally, the patient's incision may be closed.
  • a bone plate alignment system may include, for example, a bone plate 80, an alignment guide apparatus 10, at least one first fastener 100, and at least one second fastener 102.
  • the bone plate 80 may, for example, be of the type described above with reference to FIG. 5.
  • the alignment guide apparatus 10 may, for example, be of the type described above with reference to FIGS. 1-4 and may include a body 20, a fixation insert 30, a guide pin 40, and a compression screw 50.
  • the fasteners 100, 102 may be, for example, the type described above with reference to FIGS. 6-8.
  • the bone plate alignment system may enable a physician or surgeon to use the bone plate 80 to pivot the alignment guide apparatus 10 into a position to allow for accurate insertion of the compression screw 50 relative to the bone plate 80.
  • the compression screw 50 may be inserted to, for example, avoid the positions where the fasteners 100, 102 will be inserted or where the fasteners 100, 102 are already positioned.
  • the bone plate alignment system may be used, for example, to secure a bone plate 80 over a joint or at least two portions of a fractured bone.
  • the bone plate alignment guide apparatus 200 may include a body or alignment guide 220, a fixation member 230, a guide pin tissue protector 210, a guide wire or pin 240, and a fastener 50.
  • the fixation member 230 may include a knob portion 232 and a shaft portion 234 with an engagement portion 236 for engaging the bone plate 80.
  • the guide wire 240 may be, for example, a pin, k-wire, olive wire, or the like.
  • the fastener 50 may be of the type described above with reference to FIGS. 1-5 and may be, for example, a compression screw, lag screw, headless screw, or a solid screw.
  • the fastener 50 may include a head portion 52 with a through hole 54 extending from a first end to a second end of the fastener 50 and a shaft portion 56 extending away from the head portion 52.
  • the shaft portion 56 may include a smooth upper portion 58 and a threaded portion 60 on the second end of the fastener 50.
  • the guide pin tissue protector 210 may include a handle portion 212 at a first end and a shaft 214 extending away from the handle portion 212 to a tip 218 at a second end.
  • the guide pin tissue protector 210 may also include a through hole 216 extending from the first end to the second end to enable a guide wire 240 to pass through the tissue protector 210.
  • the body 220 may include an arm 222 with an attachment portion 224 at a first end and an alignment portion 226 at a second end.
  • the alignment portion 226 of the body 220 may be, for example, a variable hole alignment portion, and may include a plurality of holes 228.
  • the plurality of holes 228 may include a center hole, a top hole above the center hole, a bottom hole below the center hole, a right hole to the right of the center hole, and a left hole to the left of the center hole.
  • the plurality of holes 228 may be angled to a desired insertion angle relative to the arm 222 of the body 220.
  • the top hole, bottom hole, left hole, and right hole may each be slightly angled toward the center hole such that each of the outer holes slightly converge toward the center hole.
  • the body 220 may also include a through hole 227 in the attachment portion 224 of the body 220.
  • the body 220 may also include an alignment protrusion 223 extending away from the attachment portion 224 for engaging an opening in the bone plate 80. The alignment protrusion 223 may be used to position the bone plate alignment guide apparatus 200 on the bone plate 80, as shown in FIGS. 13-15.
  • the body 220 of the alignment guide apparatus 200 may be secured to the bone plate 80 prior to aligning the plate 80 on the patient's bones.
  • the body 220 of the alignment guide apparatus 200 may be secured to the plate 80 by inserting the alignment protrusion 223 into the first opening 96 in the plate 80 and also by inserting the fixation member 230 through the attachment portion 224 of the body 220 to engage the second opening 98 in the plate 80.
  • the engagement portion 236 may be coupled to the second opening 98 in the bone plate 80.
  • the bone plate 80 with the attached alignment guide apparatus 200 may then be aligned over the patient's bones 84, 88, as shown in FIG. 13.
  • the alignment markings 87 on the plate 80 may be used to assist the surgeon in aligning the plate 80 on the patient's bones 84, 88.
  • at least one temporary fixation device may be inserted to secure the bone plate 80 to the patient's bones 84, 88.
  • the temporary fixation devices (Not Shown) may be inserted, for example, into at least one through hole 90 in the first end 82 of the plate 80 and into the compression slot 94 in the second end 86 of the plate 80.
  • fasteners 100 may be inserted into the first end 82 of the plate 80 and at least one temporary fixation device, now shown, may be inserted into the compression slot 94 in the second end 86 of the plate 80.
  • the first end 82 of the plate 80 may be the distal end of the plate 80 while the second end 86 of the plate 80 may be the proximal end of the plate 80.
  • the guide wire 240 may then be inserted through the tissue protector 210 and into the bones 84, 88 across the joint.
  • the tissue protector 210 may be removed from the alignment portion 226 of the body 220, as shown in FIG. 15.
  • a drill may be inserted through the alignment portion 226 and over the guide wire 240 to drill an opening (Not Shown) into the bones 84, 88 across the joint.
  • the drill may be removed and then the body 220 of the alignment guide apparatus 200 may be removed, as shown in FIG. 16.
  • the body 220 of the alignment guide apparatus 200 may be removed by loosening the fixation member 230 to disengage the engagement portion 236 from the second opening 98 in the plate 80.
  • a fastener 50 may be inserted over the guide wire 240 and into the opening (Not Shown) in the bones 84, 88 across the joint.
  • the bones 84, 88 will move or compress to decrease the joint space between the first bone 84 and the second bone 88.
  • the guide wire 240 may be removed as shown in FIG. 18.
  • the temporary fixation device (Not Shown) in the compression slot 94 may then be removed and at least one fastener 102 may be inserted into at least one through hole 92 to secure the second end 86 of the plate 80 to the second bone 88.
  • the method may include, for example, preparing a joint for compression 110.
  • the method may further include obtaining a bone plate and an alignment guide apparatus 112 and aligning the bone plate on the joint 114.
  • the method may also include inserting at least one fixation pin to secure the bone plate to at least one bone of the joint 116 and aligning the alignment guide apparatus with respect to the joint 118.
  • the method may include securing the alignment guide apparatus to the bone plate in the desired position 120 and inserting a guide wire through the alignment portion of the alignment guide apparatus 122.
  • the method may also include drilling over the guide wire to form an opening in the at least one bone 124 and inserting a fastener over the guide wire across the joint 126.
  • the method may include securing the bone plate to at least one bone of the joint 128 and removing the alignment guide apparatus from the bone plate 130.
  • the method may include closing the patient's incision 132.
  • the bone plate alignment guide apparatus 300 may include a body or alignment guide 320, a fixation member 330, a guide pin tissue protector 310, a guide wire or pin (not shown), and a fastener 50.
  • the fixation member 330 may include a knob portion 332 and a shaft portion 334 with an engagement portion 336 for engaging a bone plate, for example, bone plate 80 of FIG. 5.
  • the engagement portion 336 may be, for example, threaded to engage corresponding threads in an opening in a bone plate, deformable to be removeably press fit into the opening in the bone plate, or similar configurations that achieve a coupling of the guide apparatus 300 to a bone plate.
  • the guide wire (not shown) may be of the type described above with reference to guide wire 240, which will not be described again here for brevity sake.
  • the fastener 50 may be of the type described above with reference to FIGS. 1-5 and includes, for example, a compression screw, lag screw, headless screw, or a solid screw, which will also not be described again here for brevity sake.
  • the guide pin tissue protector 310 may include a handle portion 312 at a first end and a shaft 314 extending away from the handle portion 312 to a tip 318 at a second end.
  • the shaft 314 may taper at the second end to form the tip 318.
  • the guide pin tissue protector 310 may also include a through hole 316 extending from the first end to the second end to enable a guide wire (not shown) to pass through the tissue protector 310 and engage the patient's bone.
  • the body 320 may include an arm 322 with an attachment portion 324 at a first end and an alignment portion 326 at a second end.
  • the alignment portion 326 of the body 320 may be, for example, a variable hole alignment portion, and may include a plurality of holes 328.
  • the plurality of holes 328 may be positioned in a linear arrangement with a center hole, a right hole to the right of the center hole, and a left hole to the left of the center hole.
  • the plurality of holes 328 may be straight or angled to a desired insertion position relative to the arm 322 of the body 320.
  • the left hole and right hole may each be slightly angled toward the center hole such that each of the side holes converge toward the center hole.
  • the body 320 may also include a through hole 327 in the attachment portion 324 of the body 320, as seen in FIGS. 23-24. Further, the body 320 may include an alignment protrusion 323 extending away from the attachment portion 324, as shown in FIGS. 20-23, for engaging an opening in a bone plate, such as bone plate 80 of FIG. 5. The alignment protrusion 323 may be used to position the bone plate alignment guide apparatus 300 on a bone plate.
  • the method for using a bone plate alignment guide apparatus may also be performed using the bone plate alignment guide apparatus 300.
  • a step of a method or an element of a device that "comprises,” “has,” “includes,” or “contains” one or more features possesses those one or more features, but is not limited to possessing only those one or more features.
  • a device or structure that is configured in a certain way is configured in at least that way, but may also be configured in ways that are not listed.

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Abstract

La présente invention concerne un appareil de guidage d'alignement, un système, et un procédé. L'appareil de guidage d'alignement comprend un corps, une pièce rapportée de fixation, une broche de guidage, et une vis. Le corps peut comprendre un bras avec une première extrémité et une deuxième extrémité, une partie de fixation à la première extrémité, et une partie d'alignement à la deuxième extrémité. La pièce rapportée peut être conçue pour traverser la partie de fixation et la broche de guidage peut être conçue pour traverser la partie d'alignement. La vis peut être conçue pour entrer en prise avec la broche de guidage. Le système d'alignement peut comprendre une plaque osseuse, un guide d'alignement, une vis, au moins une première fixation, et au moins une deuxième fixation. La présente invention concerne en outre un procédé pour déplacer une articulation.
PCT/US2014/045441 2012-12-28 2014-07-03 Appareil de guidage d'alignement, procédés et systèmes WO2015094409A1 (fr)

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US14/655,943 US9936995B2 (en) 2012-12-28 2014-07-03 Alignment guide apparatus, method and system
US15/948,759 US10327829B2 (en) 2012-12-28 2018-04-09 Alignment guide apparatus, methods and systems
US16/450,505 US11395691B2 (en) 2012-12-28 2019-06-24 Alignment guide apparatus, methods and systems
US17/450,767 US11779382B2 (en) 2012-12-28 2021-10-13 Alignment guide apparatus, methods and systems
US18/484,032 US20240050140A1 (en) 2012-12-28 2023-10-10 Alignment guide apparatus, methods and systems

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USPCT/US2013/077211 2013-12-20
PCT/US2013/077211 WO2014105750A1 (fr) 2012-12-28 2013-12-20 Appareil de guidage d'alignement, procédé et système

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