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WO2025193420A1 - Implants glénoïdiens avec trous/rainures de suture - Google Patents

Implants glénoïdiens avec trous/rainures de suture

Info

Publication number
WO2025193420A1
WO2025193420A1 PCT/US2025/016710 US2025016710W WO2025193420A1 WO 2025193420 A1 WO2025193420 A1 WO 2025193420A1 US 2025016710 W US2025016710 W US 2025016710W WO 2025193420 A1 WO2025193420 A1 WO 2025193420A1
Authority
WO
WIPO (PCT)
Prior art keywords
ligature
retaining features
implant
glenosphere
transverse body
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/US2025/016710
Other languages
English (en)
Inventor
Kevin P. KNOX
Douglas GARMAN
George S. ATHWAL
Joaquin SANCHEZ-SOTELO
Paul Feng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howmedica Osteonics Corp
Original Assignee
Howmedica Osteonics Corp
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
Application filed by Howmedica Osteonics Corp filed Critical Howmedica Osteonics Corp
Publication of WO2025193420A1 publication Critical patent/WO2025193420A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4081—Glenoid components, e.g. cups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4059—Humeral shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30461—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30462—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements retained or tied with a rope, string, thread, wire or cable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
    • A61F2002/30736—Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30784—Plurality of holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A61F2002/4018—Heads or epiphyseal parts of humerus
    • A61F2002/4022—Heads or epiphyseal parts of humerus having a concave shape, e.g. hemispherical cups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4081—Glenoid components, e.g. cups
    • A61F2002/4085—Glenoid components, e.g. cups having a convex shape, e.g. hemispherical heads

Definitions

  • This disclosure relates generally to shoulder arthroplasty and more particularly to glenoid implant components.
  • rTSA reverse total shoulder arthroplasty
  • RSA reverse total shoulder arthroplasty
  • glenohumeral cerclage uses the suture as a ligature to bind the glenoid and the humerus together, thereby enhancing the stability of the shoulder joint Placing a hole in the anterior/posterior direction through the glenoid bone is challenging given the exposure that surgeons typically have. It can also be a challenge to determine where to best place this hole to yield the best results.
  • glenoid implants that include one or more ligature retaining features through which one or more strands of ligature can be passed to enable glenohumeral cerclage procedure.
  • the glenoid implant can accommodate ligatures at multiple locations in the glenoid implant.
  • the one or more ligature retaining features can be provided on the baseplate component of the glenoid implants.
  • the baseplate comprises a transverse body and an anchor post, and the one or more ligature retaining features can be provided on the transverse body only.
  • the one or more ligature retaining features can also be provided on the anchor post.
  • the one or more ligature retaining features can be provided on the anchor post only.
  • the glenoid baseplate can accommodate ligatures at multiple locations on the glenoid baseplate.
  • the ligature retaining features can be sized to accommodate different types of material having different diameters or widths that can be used as the ligature.
  • sutures, suture tapes, cables, wires, polymer strings, etc. that are made of materials suitable for surgical use can be used as the ligature. Whatever the material, they should have tension strength sufficiently high to withstand the tension the ligature would experience in a glenohumeral cerclage procedure.
  • a glenosphere implant comprising one or more ligature retaining features. Where there are more than one ligature retaining features, the glenosphere implant can accommodate ligatures at multiple locations on the glenosphere implant.
  • FIG. 1 shows an example of a glenoid implant for a reverse total shoulder arthroplasty according to an embodiment of the present disclosure.
  • FIGs. 2A is an isometric view of an embodiment of a baseplate of the present disclosure showing its lateral side that is configured to engage a glenosphere implant.
  • FIG. 2B is a side view of the baseplate of FIG. 2A
  • FIG. 2C is an isometric view of another embodiment of a baseplate of the present disclosure showing its lateral side that is configured to engage the glenosphere implant.
  • FIG. 2D is a side view of the baseplate of FIG. 2C.
  • FIG. 2E is a longitudinal cross-sectional view of the baseplate shown in FIGs. 2C-2D.
  • FIGs. 2F and 2G are illustrations showing two other embodiments of the baseplate of the present disclosure.
  • FIG. 2H is an illustration showing a side view of another embodiment of the baseplate of the present disclosure.
  • FIG. 21 is an illustration showing a view of the medial side of the baseplate of FIG.
  • FIG. 2K is an illustration showing a view of the medial surface side of the baseplate of FIG. 2J.
  • FIG. 2L is a longitudinal cross-sectional view of the baseplate shown in FIGs, 2J and 2K.
  • FIGs. 3A-3B are illustrations showing the baseplate of the present disclosure in operative engagement with a stemmed humeral implant component.
  • FIGs. 4A-4B are illustrations showing other embodiments of the baseplate of the present disclosure.
  • FIG. 5A is a side view of a glenosphere implant according to an embodiment of the present disclosure.
  • FIG. 5B is another illustration of the glenosphere implant of FIG. 5 A showing the side of the glenosphere that engages the glenoid baseplate of the present disclosure.
  • the glenoid implant 100 is provided with one or more ligature retaining features through which one or more ligatures can be passed to enable glenohumeral cerclage.
  • the baseplate 1 10 comprises a transverse body HOT and the anchor post 115 is centrally located on the transverse body 110T so that a longitudinal axis L of the glenoid implant 100 extends through the anchor post 115.
  • the anchor post 115 can be located offset from the longitudinal axis L.
  • medial and lateral are used to refer to the anatomical orientation of the glenoid implant 100 and its components with respect to the patient’s body when the glenoid implant 100 is implanted in the patient.
  • the anatomical directions “medial” and “lateral” are noted by the arrow heads at the two ends of the longitudinal axis L.
  • medial refers to the direction toward the glenoid
  • lateral refers to the direction away from the glenoid and toward the humerus.
  • the transverse body HOT of the baseplate 110 can comprise an augment portion 111 on its medial side that augments a region or regions of bone loss across the glenoid surface.
  • the augment portion 111 has a thickness that is appropriate for the bone condition of the particular patient.
  • the augment portion 111 can have non-uniform thickness and in some other embodiments, the augment portion can have a uniform thickness across the medial side of the transverse body HOT.
  • the augment portion 111 with non-uniform thickness results in a generally wedge- shaped structure.
  • the thickness and size of the wedge shape and the angle of the wedge are all parameters that can be optimized for the amount of bone to be augmented for a given patient’s glenoid.
  • the augment portion 111 can be formed in any suitable way, for example by additive manufacturing process producing a porous metal structure.
  • the augment portion 111 forms a medial surface 112 that engages the glenoid bone.
  • the augment portion 111 functions to lateralize the baseplate 110.
  • the augment portion 111 extends the articulating surface of the gl enosphere implant 120 in lateral direction, i.e., away from the glenoid, the extent of which is determined by the thickness of the augment portion 111.
  • FIGs. 2A and 2C are isometric views of the baseplates 110, 110a, respectively, showing their second sides, the lateral sides, that are configured to engage the gl enosphere implant 120.
  • FIGs. 2B and 2D are side views of the baseplates 110, 110a, respectively.
  • the baseplate 110 in FIGs. 2A and 2B is configured with an augment portion 111 that is formed of a porous metal material.
  • the baseplate 110a in FIGs. 2C and 2D is configured with an augment portion Illa that is non-porous.
  • the lateral side comprises a lateral surface 113 which is a surface that is on the side opposite from the medial surface 112.
  • the lateral side of the baseplate 110 also comprises a side surface 114 that spans between the bone engaging medial surface 112 and the lateral surface 113.
  • the side surface 114 can have a circular profile when viewed in a cross-section plane extending parallel to the lateral surface 113. In other words, the side surface 114 circumscribes the circular periphery of the lateral surface 113.
  • the side surface 114 is configured to form a male portion of a friction lock engagement, such as a Morse taper, with a corresponding female tapered surface provided on the glenosphere implant 120.
  • the one or more suture retaining features are provided on the baseplate 110, 110a component.
  • FIGs. 2A-2E show embodiments where one ligature retaining feature 119 is provided on the lateralized baseplate component 110 having the augment portion 111.
  • the ligature retaining feature 119 is a hole extending in the anterior-posterior (A-P) direction (following the patient’s anatomical direction when the baseplate is implanted into the patient’s glenoid) noted by the arrow A-P in FIG. 2A.
  • Each of the one or more ligature retaining features 119 can be independently in the form of a hole or a groove-like structure.
  • a hole refers to a structure like the ligature retaining feature 119 shown in the embodiment of FIGS. 2A-2E where at least a portion of the length of the opening has an enclosing side wall portion 119A, thus forming two open ends.
  • a ligature has to be passed through the hole from one open end to the other open end.
  • a groove-like structures 119a and 119b refer to structures that do not have an enclosing side wall and is open along the full length of the groove-like structure regardless of the length of the groove.
  • FIGs. 2F and 2G Shown in FIG. 2F is a side view of a groove-like structure 119a, similar to the side view in FIGs. 2C and 2D. The views in FIGs. 2F and 2G are from one end of the groove-like structures 119a and 119b.
  • the groove-like structures 119a and 119b do not have a fully enclosing side wall portion.
  • the groove-like structure 119a shown ibn FIG. 2F comprises two sidewall portions 119aa that extend only partially from each side of a channel space 119a-c formed by the groove-like structure 119a.
  • the two partially extending sidewall portions 119aa define a gap 119a’.
  • a ligature can be threaded through the channel space 119a-c of the groove-like structure 119a from end-to-end or the ligature can enter the channel space 119a-c through the gap 119a’.
  • the groove-like structure thus allows a ligature to enter the groove from the side and not necessarily from either ends of the groove-like structure.
  • the gap 119a’ can be provided in any desired width. Shown in FIG.
  • 2G is an embodiment where a groove-like structure 119b has a channel space 119b-c. Minimal amount of partially extending sidewall portions 119bb define a gap 119b’ that is wider than the gap 119a’ in the embodiment shown in FIG. 2F.
  • the groove-like structure 119a, 119b shown in FIGs 2F-2G also extends in the A-P direction.
  • the ligature retaining features extending in A-P direction can be helpful in many situations requiring glenohumeral cerclage.
  • the one or more ligature retaining features 119 are configured as inset structures and reside within the outline of the baseplate structure. In other words, the ligature retaining features do not protrude outside the outline of the baseplate structure.
  • the sidewall structure 119A can be configured to provide the ligature retaining feature 119 in any desired orientation on the baseplate 110b.
  • the ligature retaining feature 119 can be configured to be oriented perpendicular to the A-P direction so that the ligature(s) can loop out through the ligature retaining feature 119 and over the face of the glenoid.
  • the ligature retaining feature 119 can be formed concurrently during the additive printing process that forms the augment portion 111.
  • a solid metal with smooth surface finish rather than the porous metal, surround each ligature retaining feature 119 to prevent the porous metal from abrading the ligature.
  • any surface in and around the ligature retaining feature 119 that can come in contact with the ligature would have smooth surface finish to prevent abrading the ligature.
  • the solid metal portion is identified by an outline delineating the porous metal of the augment portion 111 and the immediate surrounding area of the ligature retaining feature 119.
  • one or more ligature retaining features 119h can be provided along the periphery of the transverse body HOT portion of the baseplate 110b.
  • the transverse body 110T portion of the baseplates 110c can be configured with a peripheral portion 113p that is thinner than the main portion of the baseplate and the one or more ligature retaining features 119b can be provided along that periphery portion 113b.
  • the one or more ligature retaining features 119h are configured as holes extending through the portion of the transverse body HOT where the ligature retaining features 119b are located.
  • the ligature retaining features 119b extend completely through the thickness of the periphery portion 113b from the medial side to the lateral side of the transverse body.
  • the one or more ligature retaining features 119h along the periphery portion of the transverse body can provide additional anchor location(s) for ligature cerclage procedure.
  • the one or more ligature retaining features 119b along the periphery portion of the transverse body can extend through the bulk of the augment portion 111 when the augment portion 111 extends out to the periphery.
  • the one or more ligature retaining features H9h along the periphery of the transverse body HOT can be provided as the only ligature retaining features on the baseplate 110c or they can be provided in conjunction with any of the ligature retaining features 119, 119a-c, 119b-c, discussed above.
  • any of the one or more ligature retaining features 119, H9a-c, H9b-c, and 119b can be provided on a baseplate as the only ligature retaining features on the baseplate or they can be provided in any combination as long as they can be accommodated on the baseplate.
  • the one or more ligature retaining features 119 are provided in patient specific locations on a patient specific baseplate to maximize fixation.
  • the ligature retaining features 119 can be sized to accommodate whatever the ligature material may be.
  • a suture or a suture like material e.g. a suture tape
  • the baseplate 110, 110a can include an anchor post 115 that projects medially from the bone engaging medial surface 112.
  • the anchor post 115 comprises an outer surface that is an extension of the augment portion 111 and can be formed of the same porous material as the augment portion 111.
  • the anchor post 115 along with the augment portion 111 are configured to engage the prepared glenoid surface.
  • a through opening 118 extends from the lateral face 113 of the baseplate 110 completely through the full length of the anchor post 115.
  • the interior surface of the lateral end of the through opening 118 can be provided with screw threads 118T1 that can receive a threaded screw that secures the gl enosphere 120 to the baseplate 110.
  • the interior surface of the medial end of the through opening 118 can be provided with a second set of screw threads 118T2 that can receive the anchor screw 150.
  • one or more ligature retaining features can be provided somewhere on the anchor post 115. Such configuration would allow anchoring the ligature deeper into the glenoid bone.
  • the baseplate can have one or more ligature retaining features on the anchor post 115 in addition to the one or more ligature retaining features on the transverse body HOT.
  • FIGs. 4A and 4B show examples of some embodiments where one or more ligature retaining features can be provided in an anchor post of the glenoid baseplate where the anchor post does not require an anchor screw.
  • a baseplate HOd comprises a transverse body HOT and an anchor post 115a that extends from the medial side 112 of the transverse body HOT.
  • the baseplate HOd comprises one or more ligature retaining features 119 provided on the transverse body HOT and also comprises one or more ligature retaining features 119c provided on the anchor post 115a.
  • a baseplate HOd comprises a transverse body HOT and an anchor post 115a that extends from the medial side 112 of the transverse body HOT.
  • the baseplate HOd comprises one or more ligature retaining features 119c provided on the anchor post 115a.
  • the anchor post 115a would be of a certain size/thickness to avoid stress risers.
  • the ligature would be passed through at least one of the one or more ligature retaining features 119c in the anchor post 115a prior to implanting the glenoid baseplate HOd.
  • the one or more ligature retaining features 119c provided on the anchor post 115a are configures so that the ligature retaining features edges are sufficiently smooth and rounded so that they do not abrade or cut the ligature to be passed through them.
  • a glenohumeral cerclage The purpose of a glenohumeral cerclage is to tighten up the shoulder joint by tightening up the connection between the glenosphere and the opposing structure on the humeral side.
  • one or more strands of ligatures can be passed through the one or more ligature retaining features in the baseplate 110, 110a, 110b, 110c, HOd and on the humeral side, the ligature strands can be passed through or securely wrapped around one or more structures on the humeral side.
  • the glenoid implant 100 is in engagement with a stemmed humeral component 200.
  • the ligature retaining feature 119, 119a, 119b, 119g can be used in conjunction with ligature retaining features in a stemmed or stemless humeral component to further reduce the likelihood of glenohumeral instability.
  • the glenoid baseplate 110, 110a, 110b, 110c, llOd can be implanted using the conventional means currently being used, then a curved needle can be used to pass a ligature through the ligature retaining feature 119, 119a, 119b, 119g and perform the cerclage technique with humerus.
  • the glenoid baseplate has one or more ligature retaining features in the post, the ligature would need to be passed through the ligature retaining feature before implanting the baseplate into the glenoid.
  • kits comprising one or more glenoid base plates and one or more glenosphere implants.
  • Each of the one or more glenoid base plates in the kit can be any one of the embodiments disclosed herein, and each of the one or more glenosphere implants in the kit can be any one of the embodiments disclosed herein.
  • At least one of the one or more ligature retaining features is an inset structure defining a hole through which a ligature can be passed.
  • At least one of the one or more ligature retaining features is a hole provided on a sidewall structure that protrudes out from a side surface of the transverse body.
  • the glenoid baseplate implant further comprises an anchor post extending medially from the first side of the transverse body, wherein the anchor post has one or more ligature retaining features.
  • At least one of the one or more ligature retaining features is provided on a peripheral portion of the transverse body.
  • the at least one of the one or more ligature retaining features provided on the peripheral portion of the transverse body is a hole that extends through the thickness of the transverse body.
  • a glenosphere implant comprising one or more ligature retaining feature is disclosed.
  • the one or more ligature retaining features is provided in a peripheral portion of the glenosphere implant.
  • the glenosphere implant comprises one or more peripherally located ridges and the one or more ligature retaining features is provided on at least one of the one or more of the peripherally located ridges.
  • At least one of the one or more ligature retaining features is a hole through which a ligature can be passed.
  • at least one of the one or more ligature retaining features is a groove-like structure configured to accommodate a ligature.
  • the glenosphere implant can include multiple ligature retaining features to accommodate ligatures at multiple locations in the glenosphere implant.
  • a surgical kit for a total shoulder arthroplasty comprises: one or more glenoid base plates, wherein each of the one or more baseplates comprises: a transverse body comprising a first side configured to engage scapula bone of a patient, a second side configured to face away from the first side; and one or more ligature retaining feature provided on the transverse body; and the surgical kit also comprises one or more glenosphere implants, wherein each of the one or more glenosphere implants comprises one or more ligature retaining feature.
  • At least one of the one or more ligature retaining features on the transverse body is an inset structure defining a hole through which a ligature can be passed; and/or at least one of the one or more ligature retaining features on the transverse body is an inset structure that forms a groove-like structure configured to accommodate a ligature; and/or at least one of the one or more ligature retaining features on the transverse body is a hole provided on a sidewall structure that protrudes out from a side surface of the transverse body; and/or at least one of the one or more ligature retaining features is provided on a peripheral portion of the transverse body.
  • the surgical kit can further comprise an anchor post extending medially from the first side of the transverse body, wherein the anchor post has one or more ligature retaining features.
  • the glenosphere implant comprises one or more peripherally located ridges and the one or more ligature retaining features on the glenosphere implant is provided on at least one of the one or more of the peripherally located ridges; and/or at least one of the one or more ligature retaining features provided on the glenosphere implant is a hole through which a ligature can be passed; and/or at least one of the one or more ligature retaining features provided on the glenosphere implant is a groove-like structure configured to accommodate a ligature.
  • the surgical kit can comprise one or more ligature materials.
  • the surgical kit can comprise one or more ligature materials, where the ligature materials comprise one or more of sutures, suture tapes, cables, wires, polymer strings, or other suitable ligature materials.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne un implant de plaque de base glénoïdienne qui est conçu pour comprendre un corps transversal ayant un premier côté conçu pour venir en prise avec l'os de l'omoplate d'un patient, un second côté conçu pour être orienté à l'opposé du premier côté; et une ou plusieurs caractéristiques de maintien de la ligature disposées sur le corps transversal qui sont utiles pour permettre un cerclage gléno-huméral. L'invention concerne également un implant de glénosphère qui comprend une ou plusieurs caractéristiques de maintien de la ligature.
PCT/US2025/016710 2024-03-15 2025-02-21 Implants glénoïdiens avec trous/rainures de suture Pending WO2025193420A1 (fr)

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US202463565563P 2024-03-15 2024-03-15
US63/565,563 2024-03-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110029089A1 (en) * 2006-08-03 2011-02-03 Plustek S.R.L. Shoulder Prosthesis
US20120221111A1 (en) * 2011-02-01 2012-08-30 Burkhead Jr Wayne Z Glenoid implant for a shoulder prosthesis, and surgical kit
US20120253467A1 (en) * 2011-02-13 2012-10-04 Mark Frankle Shoulder Arthroplasty Systems and Configurations for Components Thereof
US20130150975A1 (en) * 2011-12-08 2013-06-13 Imds Corporation Shoulder Arthroplasty
US9233003B2 (en) * 2006-03-23 2016-01-12 Exactech Inc. Reverse shoulder prosthesis
US20160206436A1 (en) * 2015-01-15 2016-07-21 DePuy Synthes Products, Inc. Modular reverse shoulder orthopaedic implant and method of implanting the same
US20220151793A1 (en) * 2014-12-10 2022-05-19 Tornier Sas Convertible stem/fracture stem
WO2022261508A1 (fr) * 2021-06-11 2022-12-15 Encore Medical, L.P. (D/B/A/ Djo Surgical) Composants orthopédiques

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9233003B2 (en) * 2006-03-23 2016-01-12 Exactech Inc. Reverse shoulder prosthesis
US20110029089A1 (en) * 2006-08-03 2011-02-03 Plustek S.R.L. Shoulder Prosthesis
US20120221111A1 (en) * 2011-02-01 2012-08-30 Burkhead Jr Wayne Z Glenoid implant for a shoulder prosthesis, and surgical kit
US20120253467A1 (en) * 2011-02-13 2012-10-04 Mark Frankle Shoulder Arthroplasty Systems and Configurations for Components Thereof
US20130150975A1 (en) * 2011-12-08 2013-06-13 Imds Corporation Shoulder Arthroplasty
US20220151793A1 (en) * 2014-12-10 2022-05-19 Tornier Sas Convertible stem/fracture stem
US20160206436A1 (en) * 2015-01-15 2016-07-21 DePuy Synthes Products, Inc. Modular reverse shoulder orthopaedic implant and method of implanting the same
WO2022261508A1 (fr) * 2021-06-11 2022-12-15 Encore Medical, L.P. (D/B/A/ Djo Surgical) Composants orthopédiques

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