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FR3071147B1 - KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM - Google Patents

KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM Download PDF

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Publication number
FR3071147B1
FR3071147B1 FR1758640A FR1758640A FR3071147B1 FR 3071147 B1 FR3071147 B1 FR 3071147B1 FR 1758640 A FR1758640 A FR 1758640A FR 1758640 A FR1758640 A FR 1758640A FR 3071147 B1 FR3071147 B1 FR 3071147B1
Authority
FR
France
Prior art keywords
slide
plate
pads
column
knee
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.)
Expired - Fee Related
Application number
FR1758640A
Other languages
French (fr)
Other versions
FR3071147A1 (en
Inventor
Remi Philippot
Michel Colombier
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.)
Aston Medical SAS
Original Assignee
Aston Medical SAS
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 Aston Medical SAS filed Critical Aston Medical SAS
Priority to FR1758640A priority Critical patent/FR3071147B1/en
Publication of FR3071147A1 publication Critical patent/FR3071147A1/en
Application granted granted Critical
Publication of FR3071147B1 publication Critical patent/FR3071147B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61B17/16—Instruments for performing osteoclasis; 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
    • A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/025—Joint distractors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/025—Joint distractors
    • A61B2017/0268—Joint distractors for the knee

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Prostheses (AREA)

Abstract

Dispositif d'aide à la mise en place d'une prothèse de genou comprenant : - une colonne (6) prolongée orthogonalement par un plateau (5) présentant une face inférieure d'appui tibial, la colonne (6) étant graduée à partir de ladite face d'appui ; - un premier coulisseau (7) monté coulissant autour de la colonne (6), et comprenant un axe (7a) s'étendant parallèlement au plateau (5), et un balancier (8) monté pivotant autour de l'axe (7a), le balancier (8) comprenant deux patins (4) en opposition avec le plateau (5) et présentant des surfaces supérieures d'appui condylien, le balancier (8) et le premier coulisseau (7) comprennent des repères (12) indiquant l'angle de rotation du balancier (8) par rapport au premier coulisseau (7) à partir d'une position dans laquelle les patins (4) sont parallèles au plateau (5), le premier coulisseau (7) formant un curseur indiquant sur la graduation de la colonne (6) l'espacement entre la face d'appui du plateau (5) et les surfaces d'appui des patins (4) ; - un second coulisseau (21) monté coulissant autour du premier coulisseau (7) et comprenant un palpeur (24) parallèle au plateau (5) et présentant une extrémité destinée à venir en appui sur la corticale antérieure du fémur, le premier coulisseau (7) est graduée à partir de la surface d'appui des patins (4), et le second coulisseau (21) forme un curseur indiquant sur ladite graduation la distance entre les surfaces d'appui des patins (4) et l'extrémité du palpeur (24) correspondant à la taille du condyle du fémur ; - des moyens de verrouillage (14) du premier coulisseau (7) sur la colonne (6) ; - des moyens de verrouillage (23) du second coulisseau (21) sur le premier coulisseau (7) ; - des moyens (11) de blocage en rotation du balancier (8) ; - des moyens (15) d'entrainement en coulissement du premier coulisseau (7).Device for assisting the placement of a knee prosthesis comprising: - a column (6) extended orthogonally by a plate (5) having a lower face of tibial support, the column (6) being graduated from said bearing face; - a first slide (7) slidably mounted around the column (6), and comprising an axis (7a) extending parallel to the plate (5), and a rocker (8) mounted to pivot around the axis (7a) , the balance (8) comprising two pads (4) in opposition to the plate (5) and having upper condylar bearing surfaces, the balance (8) and the first slide (7) include marks (12) indicating the 'angle of rotation of the balance (8) relative to the first slide (7) from a position in which the pads (4) are parallel to the plate (5), the first slide (7) forming a cursor indicating on the graduation of the column (6) the spacing between the bearing face of the plate (5) and the bearing surfaces of the pads (4); - a second slider (21) slidably mounted around the first slider (7) and comprising a feeler (24) parallel to the plate (5) and having one end intended to bear on the anterior cortex of the femur, the first slider (7) ) is graduated from the bearing surface of the pads (4), and the second slide (21) forms a cursor indicating on said graduation the distance between the bearing surfaces of the pads (4) and the end of the probe (24) corresponding to the size of the condyle of the femur; - locking means (14) of the first slide (7) on the column (6); - locking means (23) of the second slide (21) on the first slide (7); - Means (11) for locking the balance (8) in rotation; - Means (15) for sliding the first slide (7).

FR1758640A 2017-09-18 2017-09-18 KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM Expired - Fee Related FR3071147B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1758640A FR3071147B1 (en) 2017-09-18 2017-09-18 KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1758640A FR3071147B1 (en) 2017-09-18 2017-09-18 KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM
FR1758640 2017-09-18

Publications (2)

Publication Number Publication Date
FR3071147A1 FR3071147A1 (en) 2019-03-22
FR3071147B1 true FR3071147B1 (en) 2021-02-26

Family

ID=60302313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1758640A Expired - Fee Related FR3071147B1 (en) 2017-09-18 2017-09-18 KNEE PROSTHESIS PLACEMENT ASSISTANCE DEVICE, DISTRACTOR TOOL AND BALANCER OF THE KNEE LIGAMENTARY SYSTEM

Country Status (1)

Country Link
FR (1) FR3071147B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11344352B2 (en) 2019-03-29 2022-05-31 Depuy Ireland Unlimited Company Methods of operating a surgical instrument and performing a surgical procedure to balance a patient's knee

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063977A1 (en) * 2004-10-19 2006-06-22 Mathys Ag Bettlach Ligament Tension Device, Cutting Guide and Osteotomy Technique
FR2948274B1 (en) * 2009-07-24 2011-09-16 Tornier Sa SURGICAL INSTRUMENTATION FOR THE PREPARATION FOR THE INSTALLATION OF A KNEE PROSTHESIS
FR3045310B1 (en) * 2015-12-22 2022-03-04 Medicoscop DEVICE FOR POSITIONING AT LEAST ONE CUTTING GUIDE FOR THE PLACEMENT OF A TIBIAL IMPLANT AND A FEMORAL IMPLANT

Also Published As

Publication number Publication date
FR3071147A1 (en) 2019-03-22

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Effective date: 20190322

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