WO2002009623A1 - Prothese unicompartimentale du genou - Google Patents
Prothese unicompartimentale du genou Download PDFInfo
- Publication number
- WO2002009623A1 WO2002009623A1 PCT/FR2001/002152 FR0102152W WO0209623A1 WO 2002009623 A1 WO2002009623 A1 WO 2002009623A1 FR 0102152 W FR0102152 W FR 0102152W WO 0209623 A1 WO0209623 A1 WO 0209623A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tibial
- unicompartmental
- prosthesis according
- internal
- extended
- 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.)
- Ceased
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
- A61F2/38—Joints for elbows or knees
- A61F2/3868—Joints for elbows or knees with sliding tibial bearing
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2002/3895—Joints for elbows or knees unicompartimental
Definitions
- the invention relates to the technical sector of orthopedic implants, in particular knee prostheses. More particularly, the invention relates to a unicompartmental knee prosthesis.
- the knee joint is made up of three compartments, namely: - an internal tibial femoral compartment
- Osteoarthritis of the knee does not necessarily affect the three compartments.
- Each femoral and / or tibial compartment can be touched in isolation. We are in this area of single compartment surgery. Now it appeared that very often the connections are of the femoro-tibial type and most often of the internal femoro-tibial type. The surgeon uses, in this case, an internal or external unicompartmental femoro tibial prosthesis according to the affected compartment.
- this type of prosthesis includes an internal or external femoral implant intended to be fixed at the level of the corresponding anatomical condyle.
- This femoral implant is intended to cooperate in support and sliding with an internal or external tibial implant fixed at the level of the corresponding anatomical tibial compartment.
- the tibial implant comprises a tibial polyethylene plate fixed in a metal tibial base.
- the femoral implant must require, for its installation, only economical bone cuts.
- the polyethylene tibial plateau must be rotary in order to allow a physiological internal rotation of the tibia in flexion, to harmonize the relationships of the friction torque. This results in a reduction in the wear of the polyethylene. It is observed that in the unicompartmental knee prostheses according to the state of the art the internal or external tibial plateau is always fixed by different means on the tibial base without any possibility of mobility.
- the entire prosthesis must be able to be implanted by a minimally invasive surgical technique.
- a femoral implant has been designed and developed, consisting of a condylar pad extended at the posterior level to wrap the corresponding anatomical condyle.
- the tibial implant consists of a polyethylene plate mounted with limited rotational movement capacity in a horizontal plane, on a tibial base fixed at the level of the corresponding anatomical tibial compartment.
- the condylar pad has on the external side a series of four successive cut sides delimiting flat bearing surfaces intended to cooperate with the femoral bone cuts.
- the planar bearing surface considered from the anterior edge is horizontal and oriented substantially perpendicular to the mechanical axis of the femur, said surface being extended angularly by an inclined surface oriented at an angle of about 130 °, said inclined surface. being itself extended by a surface arranged substantially perpendicular to the horizontal surface while being extended by an inclined surface oriented at an angle of about 130 °.
- the horizontal surface and the inclined surface which prolongs it which prolongs it, and have oriented fixing studs, intended to be anchored in bone sections.
- the unicompartmental tibial plateau has, in combination with the tibial base of the arrangements to allow said plateau to move in rotation approximately + 15 ° internally and + 15 ° externally.
- the tibial base has on the side of a straight edge located at the level of the tibial spine, an asymmetrical support rim.
- the rim has, on the internal side, two profiled bearing surfaces cooperating in bearing with cut sides of the tibial plateau in the position of rotation at 15 ° internally or externally.
- the tibial plateau has an offset stud capable of being engaged in free rotation in a median cylindrical well formed near the asymmetrical support flange of the tibial base.
- Figure 1 is a side view of the unicompatimental femoral implant.
- Figure 2 is a top view corresponding to Figure 1.
- FIG. 3 is a side view corresponding to FIG. 1.
- FIG. 4 is a top view of the tibial base.
- FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 4.
- FIG. 6 is a side view corresponding to FIG. 4.
- FIG. 7 is a view in longitudinal section considered along line 7-7 of FIG. 4.
- Figure 8 is a top view of the tibial plateau.
- FIG. 9 is a side view corresponding to FIG. 8
- FIG. 10 is a cross-sectional view taken along line 10-10 of FIG. 8.
- FIG. 1 f is a view in longitudinal section after impaction of the unicompartmental prosthesis at the level of the femoral condyle of the corresponding tibial compartment and in flexion position at 160 °
- FIG. 12 is a plan view showing different possible angular positions of the tibial plateau by compared to the tibial base.
- Figure 13 is a cross-sectional view taken along line 13-13 of Figure 12.
- the unicompartmental knee prosthesis comprises, in known manner, an internal or external femoral implant designated in its together by (F) cooperating with an internal or external tibial implant designated as a whole by (T).
- the femoral implant (F) consists of a condylar pad (1) extended at the posterior level in (la) to wrap the corresponding anatomical condyle.
- the condylar pad (1) has, on the internal side, a series of four successive cut sides delimiting plane bearing surfaces (lb) (le) (ld) and (le) intended to cooperate with femoral bone cuts made in a known manner at the level of the internal or external anatomical condyle to be treated.
- the flat bearing surface (lb) considered from the anterior edge of the condyle (1) is located, in the knee extension position, in a horizontal plane while being oriented substantially perpendicular to the mechanical axis of the femur.
- the flat bearing surface (lb) is angularly extended by the surface (le) which is inclined and oriented at an angle ⁇ of approximately 130 °.
- the inclined surface (le) is extended by the flat bearing surface (ld) arranged substantially perpendicular to the surface (lb). In other words, the surface (ld) is connected to the inclined surface (le), at an angle ⁇ also of approximately 130 °. Finally, this surface (ld) is extended by the inclined surface (le) and oriented at an angle ⁇ of approximately 130 ° to be located substantially perpendicular to the other aforementioned inclined surface (le).
- the horizontal surface (ld) and the inclined surface (le) have fixing and stability studs (lf) and (lg) suitably oriented so as to be anchored in the corresponding bone cuts.
- FIGS. 1 and 3 show the anatomical profile of the unicompartimental condylar pad according to the characteristics of the invention.
- the unicompartmental tibial implant (T) consists of a polyethylene plate (2) mounted with limited rotational movement capacity in a horizontal plane on a metal tibial base (3). More particularly, the tibial plateau (2) has arrangements in combination with the tibial base (3) to allow it to move in rotation by approximately + 15 ° internally and more than 15 ° externally ( Figure 12).
- the edge of the tibial plateau (2) considered on the side of the mass of tibial spines, has symmetrically two cut sides (2a) and (2b) intended to cooperate in support in a rotation position at 15 ° internally or externally, with a surface profiled support (3a) and (3b) which has a straight edge (3).
- This rim (3) is formed laterally at the .tibial base (3) at the level of the mass of tibial spines.
- the rim (3c) is asymmetrical ( Figures 4, 5 and 6).
- the tibial plateau (2) has an offset stud (2c) transversely and able to be engaged, with free rotation, in a median cylindrical well (3d) formed near the asymmetrical support rim (3c) of the tibial base (3).
- the tibial base (3) is fixed at the corresponding tibial compartment, by any known and appropriate means.
- the underside of the tibial base (3) can have an indexing point (3e).
- the anatomical profile of the condylar pad in the posterior part completely covers the physiological articular surface in order to avoid any phenomenon of wear, in particular in complete flexion at 160); - making economical bone cuts at the femoral condyle; - the limited rotation of the unicompartmental tibial plateau relative to the tibial base, in order to reduce wear;
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (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
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2002224593A AU2002224593A1 (en) | 2000-08-01 | 2001-07-05 | Unicompartmental knee prosthesis |
| EP01984397A EP1304982A1 (fr) | 2000-08-01 | 2001-07-05 | Prothese unicompartimentale du genou |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0010162A FR2812541B1 (fr) | 2000-08-01 | 2000-08-01 | Prothese unicompartimentale du genou |
| FR00/10162 | 2000-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002009623A1 true WO2002009623A1 (fr) | 2002-02-07 |
Family
ID=8853208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/002152 Ceased WO2002009623A1 (fr) | 2000-08-01 | 2001-07-05 | Prothese unicompartimentale du genou |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1304982A1 (fr) |
| AU (1) | AU2002224593A1 (fr) |
| FR (1) | FR2812541B1 (fr) |
| WO (1) | WO2002009623A1 (fr) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2836821A1 (fr) * | 2002-03-11 | 2003-09-12 | Biomet Merck France | Prothese unicompartimentale pour genou |
| FR2856916A1 (fr) | 2003-07-04 | 2005-01-07 | Biomet Merck France | Prothese unicompartimentale de genou |
| FR2908040A1 (fr) * | 2006-11-06 | 2008-05-09 | Yves Girou | Ensemble d'implants femoraux pour prothese unicompartimentale du genou |
| EP1974694A1 (fr) * | 2007-03-30 | 2008-10-01 | DePuy Products, Inc. | Ensemble mobile d'appui tibial |
| FR2926719A1 (fr) * | 2008-01-30 | 2009-07-31 | Aston Medical Developmemts Ltd | Ensemble compose d'une embase tibiale et d'un insert tibial et prothese comprenant un tel ensemble |
| US8147558B2 (en) | 2007-03-30 | 2012-04-03 | Depuy Products, Inc. | Mobile bearing assembly having multiple articulation interfaces |
| US8690945B2 (en) | 2001-05-25 | 2014-04-08 | Conformis, Inc. | Patient selectable knee arthroplasty devices |
| US8862202B2 (en) | 1998-09-14 | 2014-10-14 | The Board Of Trustees Of The Leland Stanford Junior University | Assessing the condition of a joint and preventing damage |
| CN104125818A (zh) * | 2012-02-17 | 2014-10-29 | 株式会社科麟泰 | 人造膝关节 |
| US8882847B2 (en) | 2001-05-25 | 2014-11-11 | Conformis, Inc. | Patient selectable knee joint arthroplasty devices |
| US8906107B2 (en) | 2001-05-25 | 2014-12-09 | Conformis, Inc. | Patient-adapted and improved orthopedic implants, designs and related tools |
| US8932363B2 (en) | 2002-11-07 | 2015-01-13 | Conformis, Inc. | Methods for determining meniscal size and shape and for devising treatment |
| US9020788B2 (en) | 1997-01-08 | 2015-04-28 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US9055953B2 (en) | 2001-05-25 | 2015-06-16 | Conformis, Inc. | Methods and compositions for articular repair |
| US9180015B2 (en) | 2008-03-05 | 2015-11-10 | Conformis, Inc. | Implants for altering wear patterns of articular surfaces |
| US9308091B2 (en) | 2001-05-25 | 2016-04-12 | Conformis, Inc. | Devices and methods for treatment of facet and other joints |
| US9387079B2 (en) | 2001-05-25 | 2016-07-12 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US9495483B2 (en) | 2001-05-25 | 2016-11-15 | Conformis, Inc. | Automated Systems for manufacturing patient-specific orthopedic implants and instrumentation |
| US9603711B2 (en) | 2001-05-25 | 2017-03-28 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US9700971B2 (en) | 2001-05-25 | 2017-07-11 | Conformis, Inc. | Implant device and method for manufacture |
| CN107789099A (zh) * | 2016-08-31 | 2018-03-13 | 嘉思特华剑医疗器材(天津)有限公司 | 保留骨量单关节置换膝关节假体 |
| US10085839B2 (en) | 2004-01-05 | 2018-10-02 | Conformis, Inc. | Patient-specific and patient-engineered orthopedic implants |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2961685A1 (fr) | 2010-06-23 | 2011-12-30 | Cortanze Andre | Dispositif orthopedique implantable du genou. |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728332A (en) * | 1984-11-28 | 1988-03-01 | Albrektsson Bjoern | Artificial menisco-tibial joint |
| FR2700261A1 (fr) * | 1993-01-08 | 1994-07-13 | Erato | Prothèse du genou. |
| FR2742651A1 (fr) * | 1995-12-26 | 1997-06-27 | Groupe Lepine | Prothese du genou unicompartimentale |
| FR2758715A1 (fr) * | 1997-01-24 | 1998-07-31 | Tornier Sa | Prothese de condyle femoral |
| GB2342582A (en) * | 1998-10-14 | 2000-04-19 | Corin Medical Ltd | Unicompartmental knee prosthesis that limits anterior-posterior, medial-lateral and rotational movement |
-
2000
- 2000-08-01 FR FR0010162A patent/FR2812541B1/fr not_active Expired - Lifetime
-
2001
- 2001-07-05 AU AU2002224593A patent/AU2002224593A1/en not_active Abandoned
- 2001-07-05 EP EP01984397A patent/EP1304982A1/fr not_active Withdrawn
- 2001-07-05 WO PCT/FR2001/002152 patent/WO2002009623A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728332A (en) * | 1984-11-28 | 1988-03-01 | Albrektsson Bjoern | Artificial menisco-tibial joint |
| FR2700261A1 (fr) * | 1993-01-08 | 1994-07-13 | Erato | Prothèse du genou. |
| FR2742651A1 (fr) * | 1995-12-26 | 1997-06-27 | Groupe Lepine | Prothese du genou unicompartimentale |
| FR2758715A1 (fr) * | 1997-01-24 | 1998-07-31 | Tornier Sa | Prothese de condyle femoral |
| GB2342582A (en) * | 1998-10-14 | 2000-04-19 | Corin Medical Ltd | Unicompartmental knee prosthesis that limits anterior-posterior, medial-lateral and rotational movement |
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9020788B2 (en) | 1997-01-08 | 2015-04-28 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US8862202B2 (en) | 1998-09-14 | 2014-10-14 | The Board Of Trustees Of The Leland Stanford Junior University | Assessing the condition of a joint and preventing damage |
| US9387079B2 (en) | 2001-05-25 | 2016-07-12 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US8926706B2 (en) | 2001-05-25 | 2015-01-06 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US9877790B2 (en) | 2001-05-25 | 2018-01-30 | Conformis, Inc. | Tibial implant and systems with variable slope |
| US9775680B2 (en) | 2001-05-25 | 2017-10-03 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US8690945B2 (en) | 2001-05-25 | 2014-04-08 | Conformis, Inc. | Patient selectable knee arthroplasty devices |
| US9700971B2 (en) | 2001-05-25 | 2017-07-11 | Conformis, Inc. | Implant device and method for manufacture |
| US9603711B2 (en) | 2001-05-25 | 2017-03-28 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US8882847B2 (en) | 2001-05-25 | 2014-11-11 | Conformis, Inc. | Patient selectable knee joint arthroplasty devices |
| US9495483B2 (en) | 2001-05-25 | 2016-11-15 | Conformis, Inc. | Automated Systems for manufacturing patient-specific orthopedic implants and instrumentation |
| US9055953B2 (en) | 2001-05-25 | 2015-06-16 | Conformis, Inc. | Methods and compositions for articular repair |
| US9439767B2 (en) | 2001-05-25 | 2016-09-13 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US8945230B2 (en) | 2001-05-25 | 2015-02-03 | Conformis, Inc. | Patient selectable knee joint arthroplasty devices |
| US9333085B2 (en) | 2001-05-25 | 2016-05-10 | Conformis, Inc. | Patient selectable knee arthroplasty devices |
| US8974539B2 (en) | 2001-05-25 | 2015-03-10 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| US9308091B2 (en) | 2001-05-25 | 2016-04-12 | Conformis, Inc. | Devices and methods for treatment of facet and other joints |
| US9186254B2 (en) | 2001-05-25 | 2015-11-17 | Conformis, Inc. | Patient selectable knee arthroplasty devices |
| US8906107B2 (en) | 2001-05-25 | 2014-12-09 | Conformis, Inc. | Patient-adapted and improved orthopedic implants, designs and related tools |
| FR2836821A1 (fr) * | 2002-03-11 | 2003-09-12 | Biomet Merck France | Prothese unicompartimentale pour genou |
| US8965088B2 (en) | 2002-11-07 | 2015-02-24 | Conformis, Inc. | Methods for determining meniscal size and shape and for devising treatment |
| US8932363B2 (en) | 2002-11-07 | 2015-01-13 | Conformis, Inc. | Methods for determining meniscal size and shape and for devising treatment |
| FR2856916A1 (fr) | 2003-07-04 | 2005-01-07 | Biomet Merck France | Prothese unicompartimentale de genou |
| US10085839B2 (en) | 2004-01-05 | 2018-10-02 | Conformis, Inc. | Patient-specific and patient-engineered orthopedic implants |
| FR2908040A1 (fr) * | 2006-11-06 | 2008-05-09 | Yves Girou | Ensemble d'implants femoraux pour prothese unicompartimentale du genou |
| EP1974694A1 (fr) * | 2007-03-30 | 2008-10-01 | DePuy Products, Inc. | Ensemble mobile d'appui tibial |
| US8147558B2 (en) | 2007-03-30 | 2012-04-03 | Depuy Products, Inc. | Mobile bearing assembly having multiple articulation interfaces |
| FR2926719A1 (fr) * | 2008-01-30 | 2009-07-31 | Aston Medical Developmemts Ltd | Ensemble compose d'une embase tibiale et d'un insert tibial et prothese comprenant un tel ensemble |
| US9180015B2 (en) | 2008-03-05 | 2015-11-10 | Conformis, Inc. | Implants for altering wear patterns of articular surfaces |
| US9700420B2 (en) | 2008-03-05 | 2017-07-11 | Conformis, Inc. | Implants for altering wear patterns of articular surfaces |
| US9320620B2 (en) | 2009-02-24 | 2016-04-26 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
| CN104125818A (zh) * | 2012-02-17 | 2014-10-29 | 株式会社科麟泰 | 人造膝关节 |
| CN104125818B (zh) * | 2012-02-17 | 2016-01-20 | 科邻太有限公司 | 人造膝关节 |
| CN107789099A (zh) * | 2016-08-31 | 2018-03-13 | 嘉思特华剑医疗器材(天津)有限公司 | 保留骨量单关节置换膝关节假体 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2812541B1 (fr) | 2003-07-04 |
| FR2812541A1 (fr) | 2002-02-08 |
| EP1304982A1 (fr) | 2003-05-02 |
| AU2002224593A1 (en) | 2002-02-13 |
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