WO2012021849A3 - Patient-matched guide block - Google Patents

Patient-matched guide block Download PDF

Info

Publication number
WO2012021849A3
WO2012021849A3 PCT/US2011/047661 US2011047661W WO2012021849A3 WO 2012021849 A3 WO2012021849 A3 WO 2012021849A3 US 2011047661 W US2011047661 W US 2011047661W WO 2012021849 A3 WO2012021849 A3 WO 2012021849A3
Authority
WO
WIPO (PCT)
Prior art keywords
patient
guide block
femoral neck
femoral
cutting element
Prior art date
Application number
PCT/US2011/047661
Other languages
French (fr)
Other versions
WO2012021849A2 (en
Inventor
Abraham Biglari Salehi
Original Assignee
Smith & Nephew, 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
Application filed by Smith & Nephew, Inc. filed Critical Smith & Nephew, Inc.
Publication of WO2012021849A2 publication Critical patent/WO2012021849A2/en
Publication of WO2012021849A3 publication Critical patent/WO2012021849A3/en

Links

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
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
    • A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14—Surgical saws ; Accessories therefor
    • A61B17/15—Guides therefor
    • A61B17/154—Guides therefor for preparing bone for knee prosthesis
    • A61B17/155—Cutting femur
    • 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
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
    • 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
    • A61B2017/568—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor produced with shape and dimensions specific for an individual patient

Abstract

System, devices, and methods for orienting a guide block with a patient's anatomy are provided. A two-piece guide block is configured to couple with a patient's femoral head and femoral neck to align a guide passage along a desired axis that extends through the femoral head. The guide block is patient-matched to match surface features of the patient's femoral head and femoral neck to provide a stable mating interaction. An interior surface of the two- piece guide block includes a cutting element that extends radially inward to mate with the femoral neck. The cutting element allows the block to mate with a femoral neck that is surrounded by cartilage or other soft tissue. The cutting element maintains a close mating interface with the femoral neck without requiring extensive damage or removal of the surrounding cartilage and tissue.
PCT/US2011/047661 2010-08-13 2011-08-12 Patient-matched guide block WO2012021849A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37359910P 2010-08-13 2010-08-13
US61/373,599 2010-08-13

Publications (2)

Publication Number Publication Date
WO2012021849A2 WO2012021849A2 (en) 2012-02-16
WO2012021849A3 true WO2012021849A3 (en) 2012-07-12

Family

ID=45568227

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2011/047661 WO2012021849A2 (en) 2010-08-13 2011-08-12 Patient-matched guide block
PCT/US2011/047666 WO2012021853A2 (en) 2010-08-13 2011-08-12 Patient-matched guide block

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2011/047666 WO2012021853A2 (en) 2010-08-13 2011-08-12 Patient-matched guide block

Country Status (1)

Country Link
WO (2) WO2012021849A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9211128B2 (en) * 2014-04-17 2015-12-15 Bullseye Hip Replacement, Llc Devices and methods for hip replacement
US9414938B2 (en) 2014-09-12 2016-08-16 Bullseye Hip Replacement, Llc Devices and methods for hip replacement
GB201613199D0 (en) 2016-07-30 2016-09-14 Clarke Susannah G And Embody Orthopaedic Ltd Surgical guide for positioning a resurfacing head implant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050049714A1 (en) * 2002-04-11 2005-03-03 Crofford Theodore W. Method of resecting a femoral head for implantation of a femoral neck fixation prosthesis
US20050245936A1 (en) * 2004-04-20 2005-11-03 Finsbury (Development) Limited Tool
US20090254093A1 (en) * 2006-06-09 2009-10-08 Biomet Manufacturing Corp. Patient-Specific Alignment Guide
US20100016986A1 (en) * 2008-07-21 2010-01-21 Harutaro Trabish Femoral Head Surgical Resurfacing Aid
US20100145347A1 (en) * 2006-10-02 2010-06-10 Michel Serrault Centering jig for resurfacing the head of the femur and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0322084D0 (en) * 2003-09-22 2003-10-22 Depuy Int Ltd A drill guide assembly
GB0601803D0 (en) * 2006-01-30 2006-03-08 Finsbury Dev Ltd Tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050049714A1 (en) * 2002-04-11 2005-03-03 Crofford Theodore W. Method of resecting a femoral head for implantation of a femoral neck fixation prosthesis
US20050245936A1 (en) * 2004-04-20 2005-11-03 Finsbury (Development) Limited Tool
US20090254093A1 (en) * 2006-06-09 2009-10-08 Biomet Manufacturing Corp. Patient-Specific Alignment Guide
US20100145347A1 (en) * 2006-10-02 2010-06-10 Michel Serrault Centering jig for resurfacing the head of the femur and method
US20100016986A1 (en) * 2008-07-21 2010-01-21 Harutaro Trabish Femoral Head Surgical Resurfacing Aid

Also Published As

Publication number Publication date
WO2012021853A2 (en) 2012-02-16
WO2012021849A2 (en) 2012-02-16
WO2012021853A3 (en) 2012-08-09

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