JPH09149908A - Living body prosthesis member - Google Patents

Living body prosthesis member

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Publication number
JPH09149908A
JPH09149908A JP31252995A JP31252995A JPH09149908A JP H09149908 A JPH09149908 A JP H09149908A JP 31252995 A JP31252995 A JP 31252995A JP 31252995 A JP31252995 A JP 31252995A JP H09149908 A JPH09149908 A JP H09149908A
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JP
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Patent type
Prior art keywords
cement
bone
formed
basins
depth
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.)
Granted
Application number
JP31252995A
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Japanese (ja)
Other versions
JP3495161B2 (en )
Inventor
Noriyuki Ishida
Kazunori Yasuda
和則 安田
典之 石田
Original Assignee
Kyocera Corp
京セラ株式会社
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
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external and/or bone-contacting surfaces, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external and/or bone-contacting surfaces, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes, grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4631Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented

Abstract

PROBLEM TO BE SOLVED: To have large binding force with bone cement and prevent bone absorption and dislocation from occurring by providing cement basins connected by a connecting groove so as to connect the filled bone cement in a contact surface part with the bone in a prescribed depth. SOLUTION: A sliding part 3 is provided with fixing reinforcement girders 11, 11 which are formed parallel to side faces 16 from a front inclined face 9 to on the way to a rear inclined face 8 so as to be in symmetrical positions, and cement basins 12 of 1mm-3mm in depth which have U-grooved shapes in a plan view and are formed in such a state as surrounding these girders 11, 11. On the other hand, the cement basins 12 which are formed in a horizontal face 7, a rear inclined face 8, and a front inclined face of the sliding part 3 and integrated therewith are formed in the front wall 1 and rear walls 2, 2 respectively. In a tighbone component (F), the grooved cement basins 12 are so formed in a contact surface with the that that respective filled bone cements are connected by a connection groove in a prescirbed depth. This constitution can stably hold fixing between the bone and the reinforcing member with large binding force.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、変形性関節症などの疾患により機能が低下もしくは喪失したり、疼痛の増大した人の骨や、関節の一部をを置換する生体補綴部材に関するものである。 The present invention relates is lowered or lost function by diseases such as osteoarthritis, increased human and bones pain, relates bioprosthetic member to replace a part of the joint is there.

【0002】 [0002]

【従来の技術】従来より、人工股関節や人工膝関節を構成する種々の部材を骨に対して設置する場合、術後初期の固定性を確保するため、また恒久的な固定性を得るため、骨と補綴部材の間に比較的生体にとって安全な所謂骨セメントを介在させて固定する方法が用いられてきた。 BACKGROUND ART Conventionally, when various members constituting the hip and knee joints placed against the bone, for securing the post-operative early fixed property and to obtain a permanent fixation, method of fixing with intervening safe Tokoroikotsu cement for relatively vivo between the bone and the prosthesis element have been used.

【0003】このような骨セメントによる結合力を補強する方法として、補綴部材の表面に凹状あるいは溝状のセメント溜まりを設け、該セメント溜まりの部分では、 As a method of reinforcing the bonding force due to such bone cement, it provided a recessed or grooved cement reservoir to the surface of the prosthesis element, in the portion of the cement reservoir,
ある一定以上のセメント厚みを確保し、固定を確実なものにすることが実施されてきた。 Securing a certain or more cement thickness, it has been carried out you are sure that fixed.

【0004】図3には、このような従来の生体補綴部材の例として、人工膝関節を構成する大腿骨コンポーネントFを示す。 [0004] FIG. 3, as an example of such a conventional biological prosthesis, showing femoral component F which constitutes the artificial knee joint. この大腿骨コンポーネントFは板状の前壁1と左右2つの後壁2、2及びこれらを連結し概ね弧状をなす摺動部3から構成されるもので、上記前壁1と摺動部3と後壁2の外側表面は、置換する大腿骨の正常状態における関節摺動面に近似した滑らかな曲面を有し、 The femoral component F, which is formed from the sliding portion 3 forming a generally arcuate connecting wall 2,2 and their after two right and left front wall 1 of the plate, the front wall 1 and the sliding part 3 an outer surface of the rear wall 2 has a smooth curved surface that approximates to the joint sliding surface in a normal state of the femur to replace,
また、大腿骨の後方に位置する前後十字靱帯の付着部と干渉する位置には、上記2つの後壁2、2と摺動部の一部を中央で分断する顆間スリット4が形成されている。 Further, at a position where it interferes with the attachment of the front and rear cruciate ligaments located behind the femur intercondylar slit 4 for dividing a portion of the two rear walls 2,2 and the sliding portion at the center is formed there.

【0005】また、上記摺動部3の内側には3種類の異なる方向をもった平坦面、すなわち、真ん中には水平面7、その両側にはそれぞ後壁2と前壁1とに連なる一対の斜面(それぞれ、後斜面8、前斜面9と呼ぶ)が配設されている。 Further, the flat surface having the different directions of the three types on the inside of the sliding portion 3, i.e., in the middle horizontal plane 7, is on both sides connected to respectively a rear wall 2 and the front wall 1 pair slope (respectively, the rear slope 8, referred to as a front slope 9) is disposed.

【0006】さらに、上記摺動部3には、後斜面8から前斜面9の途中まで、側面16に平行して固定強化用の梁11、11が左右対称位置に形成されるとともに、その外側および前側には、堤防状の仕切りによって区画された3つの溝状のセメント溜まり12、12、12が形成されており、他方、前記前壁1および後壁2、2の内側面5、6には、それぞれ独立的に区画された溝状のセメント溜まり12が形成されていた。 Furthermore, the above-mentioned sliding portion 3, from the rear slope 8 to the middle of the front slope 9, together with the beam 11, 11 for fixing reinforcement parallel to the side surface 16 is formed on the left and right symmetrical positions, outside and on the front side, dike-like partition three groove-like cement partitioned by reservoir 12, 12, 12 are formed, while on the inner surfaces 5 and 6 of the front wall 1 and the rear wall 2,2 had each independently compartmentalized grooved cement reservoir 12 is formed.

【0007】 [0007]

【従来技術の課題】ところが、上記従来技術には以下のような問題点があった。 [Prior art problems of] However, the above conventional technology has the following problems. すなわち、骨との接合表面部に形成されたセメント溜まりの各成分が堤防状に仕切られていたので仕切りの部分とセメント溜まりの部分で結合力や応力の伝達の仕方に若干の違いが生じる。 In other words, a slight difference occurs in the way of transmission of the coupling force or stress in the partition portion and the cement reservoir portion because each component of reservoir cement formed in the bonding surface portion has been divided into dike-like bone. この差異により、仕切り部分で骨セメントと補綴部材の剥離が始まり、これが他部位に進行していき結合力が弱まっていく。 This difference, separation of the bone cement and the prosthesis by the partition portion starts, which weakens the binding force continue to progress to another site.

【0008】このような事態が発生すると、補綴部材のマイクロムーブメントや部分的な応力の集中がおこるなどし、骨吸収や補綴部材の位置ずれなど重大な事態を招いてしまう恐れがあった。 [0008] If such a situation occurs, and the like concentration occurs in micro movements and partial stress of the prosthetic member, there could lead to the positional deviation, etc. critical event in bone resorption or prosthetic member.

【0009】 [0009]

【発明の目的】このような従来技術の課題に鑑み、本発明は、骨セメントとの結合力が大きく、安定的で、骨吸収や補綴部材の位置ずれなどが発生しない安全な生体補綴部材を提供するものである。 SUMMARY OF THE INVENTION In view of the problems of the conventional art, the present invention has a large bonding strength with bone cement, stable, safe bioprosthetic member such as positional deviation of bone resorption and prosthetic member does not occur it is intended to provide.

【0010】 [0010]

【課題を解決するための手段】本発明は前記課題を解決するために、骨との接合表面部にセメント溜まりを設けた生体補綴部材において、セメント溜まりの各成分間に仕切りを設けずに、各充填した骨セメントが深さ1mm SUMMARY OF THE INVENTION The present invention is to solve the above problems, the bioprosthetic member provided with reservoir cement bonding surface portion of the bone, without providing the partition between the components of the reservoir cement, each filled with bone cement depth 1mm
〜3mmで繋がるように、連続溝で繋がるセメント溜まりを形成した。 As connected in to 3 mm, to form a reservoir cement connected by a continuous groove.

【0011】 [0011]

【発明の実施の形態】以下、本発明の実施形態を図を用いて説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the embodiments of the present invention will be described with reference to FIG.

【0012】 [0012]

【実施形態1】図1(a),(b),(c)には、本実施態様に係る生体補綴部材としての、人工膝関節を構成する大腿骨コンポーネントFの平面図、正面図、側面図を示し、この大腿骨コンポーネントFは板状の前壁1と左右2つの後壁2、2及びこれらを連結し概ね弧状をなす摺動部3から構成される。 [Embodiment 1] FIG. 1 (a), (b), to (c) are as bioprosthetic member according to the present embodiment, plan view of the femoral component F which constitutes the artificial knee joint, a front view, a side shows a diagram, the femoral component F is composed of a sliding portion 3 forming a generally arcuate connecting wall 2,2 and their after two right and left front wall 1 of the plate.

【0013】この大腿骨コンポーネントFの前壁1と摺動部3と後壁2の外側表面は、置換する大腿骨の正常状態における関節摺動面に近似した滑らかな曲面を有し、 [0013] The front wall 1 and the outer surface of the sliding portion 3 and the rear wall 2 of the femoral component F has a smooth curved surface that approximates to the joint sliding surface in a normal state of the femur to replace,
また、大腿骨の後方に位置する前後十字靱帯の付着部と干渉する位置には、上記2つの後壁2、2と摺動部3の一部を中央で分断する顆間スリット4が形成されている。 Further, at a position where it interferes with the attachment of the front and rear cruciate ligaments located behind the femur intercondylar slit 4 for dividing a portion of the two rear walls 2,2 and the sliding portion 3 at the center is formed ing.

【0014】図1(a)に示すように大腿骨コンポーネントFの側面16は、外顆側と内顆側が前から後ろに向けて、それぞれ10°、5°中央寄りに傾いている。 [0014] Figure 1 a side 16 of the femoral component F as shown in (a) is toward the back from the front outer 顆側 and inner 顆側, 10 ° respectively, is inclined 5 ° inboard.

【0015】また図1(c)に示すように大腿骨コンポーネントFの前壁1と後壁2の相対する内側面5、6は平坦面であり、かつ、それぞれ3°づつ垂直方向に対して傾いている。 Further opposed inner surfaces 5 and 6 of FIG. 1 (c) the front wall 1 of the femoral component F as shown in the rear wall 2 are flat surfaces, and, for each 3 ° increments vertically It is tilted. さらに、上記摺動部3の内側には3種類の異なる方向をもった平坦面が形成され、すなわち、真ん中には水平面7、その両側にはそれぞれ後壁2と前壁1とに連なる一対の斜面(それぞれ、後斜面8、前斜面9と呼ぶ)が配設されている。 Further, the inside of the sliding portion 3 is formed a flat surface with different directions of three kinds, namely, in the middle horizontal surface 7, a pair of connecting to the wall 2 after each of the both sides of the front wall 1 slope (respectively, the rear slope 8, referred to as a front slope 9) is disposed.

【0016】さらに、上記摺動部3は、前斜面9から後斜面8の途中まで、側面16に平行して固定強化用の梁11、11が左右対称位置に形成され、該梁11、11 Furthermore, the sliding part 3, to the middle of the rear slope 8 before the slope 9, the beams 11, 11 for fixing reinforcement parallel to the side surface 16 is formed symmetrically position, the beams 11, 11
を囲むように深さ1mm〜3mmのセメント溜まり12 Cement of depth 1mm~3mm so as to surround the reservoir 12
が溝状で、且つ、平面視コの字状[図1(b)では逆コの字に見える]に形成されており、他方、前記前壁1と後壁2、2のそれぞれには、摺動部3の水平面7、後斜面8、前斜面9に設けられたセメント溜まり12に連続し、これらと一体的にセメント溜まり12が形成されている。 In but groove, and is formed in plan view U-shaped [looks-shaped Gyakuko in FIG 1 (b)], while each of the front wall 1 and the rear wall 2, 2 horizontal plane 7 of the sliding portion 3, the rear slope 8, successively to the cement reservoir 12 provided in front slope 9, these integrally with the cement reservoir 12 is formed.

【0017】このように構成される上記大腿骨コンポーネントFは、骨との接合表面部に溝状のセメント溜まり12が、それぞれ別個に仕切られているのではなく、各充填した骨セメントが所定の深さで繋がるよう、連続溝で繋がるセメント溜まりを形成してあり、セメント溜まり12の各成分が個別に仕切られているような場合の如く、仕切りと骨セメントが充填されている部分での荷重の違いによる荷重集中の問題等がなく、これにより骨吸収や、骨セメントの剥離などが回避でき、大きな結合力で安定的に骨と補綴部材の固定を維持することができる。 [0017] The femoral component F thus configured, the groove-like cement reservoir 12 to the joint surface portions of the bone, rather than each being divided into separate, bone cement is given that each filling as lead in depth, Yes to form a reservoir cement connected by a continuous groove, as is the case, such as the components of the cement reservoir 12 is divided into individual, load at portions where the partition and the bone cement is filled without problems such as the load concentration due to the difference of, thereby and bone resorption, such as separation of the bone cement can be avoided, it can be stably maintain a fixed bone and prosthesis with a large binding force.

【0018】また、上記大腿骨コンポーネントFでは、 [0018] In addition, in the femoral component F,
摺動部3のセメント溜まり12が平面視コの字状であって、セメント溜まり12がほぼ直角に繋がっているが、 Cement reservoir 12 of the sliding portion 3 is a shape in plan view U, but the cement reservoir 12 is connected substantially perpendicular,
このように45°以上の大きな角度でセメント溜まり1 Thus sump cement at a large angle of 45 ° or more 1
2がつながっている場合、固定力が飛躍的に増大する。 If 2 are connected, the fixing force is increased dramatically.

【0019】なお、上記セメント溜まり12の深さが1 [0019] In addition, the depth of the cement reservoir 12 1
mmより小さい場合、セメント量が少なく、接合強度が不十分になる可能性がある。 If mm smaller, less cement content, bonding strength may become insufficient.

【0020】他方、セメント溜まりの12深さが3mm [0020] On the other hand, 3mm 12 the depth of the reservoir cement
より大きい場合、大腿骨コンポーネントFの体積が小さくなり、部材自体の強度が小さくなってしまう恐れがある。 Greater than the volume of the femoral component F is reduced, there is a fear that the strength of the member itself is reduced.

【0021】 [0021]

【実施形態2】図2は、本実施形態に係る生体補綴部材としての、人工股関節を構成するステムSを示し、このステムSは上端に骨頭ボールを装着するためのテーパー円柱状のネック31と大腿骨髄空内に固定されるべく先細状となったステム本体32からなる。 [Embodiment 2] FIG 2 is as bioprosthetic member according to the present embodiment, shows the stem S constituting the hip, the stem S is a tapered cylindrical neck 31 for mounting the condyle ball on the upper end consisting stem body 32 became tapering to be fixed to the femoral bone marrow empty.

【0022】このうちステム本体32の上方表面には、 The above surface of these stem body 32,
深さ1mm〜3mmで且つ同幅で連続する凹状のセメント溜まり33が周状に、仕切りなしの連続溝で繋がるように形成されている。 Concave cement reservoir 33 consecutive and the same width depth 1mm~3mm in the circumferential shape and is formed so as to be connected in a continuous groove without partition.

【0023】このように構成されるステムSは、セメント溜まり33が形成された部位で骨セメントの厚みが確実に確保されるので、骨とステムSの結合力が大きく、 The stem S thus configured is a location for the cement reservoir 33 is formed since the thickness of the bone cement is reliably ensured, large bonding strength of the bone and the stem S,
また充填した各骨セメントが周方向に仕切られることなく、所定の深さで繋がるので、荷重のバラツキが少なく、したがって、大腿骨の転子間部分での骨との緩み及びそれによる骨吸収を効果的に防止することができる。 And without the bone cement filled is partitioned in the circumferential direction, the lead at a predetermined depth, with few variations in load, therefore, the loosening and bone resorption by it with the bone in the intertrochanteric portion of the femur it can be effectively prevented.

【0024】 [0024]

【発明の効果】叙上のように本発明によれば、骨との接合表面部にセメント溜まりを設けた生体補綴部材において、セメント溜まりの各成分間に仕切りを設けずに、骨セメントが骨表面に連続的に固着するよう該成分を相互に連続せしめ、且つその深さを1mm〜3mmとしたことにより、補綴部材と骨セメントとの固定力のバラツキが小さく、したがって、骨との緩み及びそれによる骨吸収を効果的に防止することができるという優れた効果を奏するものである。 Effects of the Invention According to the present invention as the ordination, in bioprosthetic member provided with reservoir cement bonding surface portion of the bone, without providing the partition between the components of the reservoir cement, bone bone cement continuously mutually allowed continuous the ingredients to sticking to the surface, and by that the depth and 1 mm to 3 mm, the prosthetic member and a small variation in the adherence of the bone cement, therefore, and loosening of the bone in which an excellent effect of being able to prevent bone resorption by it effectively.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の一実施形態に係る生体補綴部材としての大腿骨コンポーネントを示し、(a)は平面図、 [1] shows a femoral component of a biological prosthesis according to an embodiment of the present invention, (a) is a plan view,
(b)は正面図、(c)は側面図である。 (B) is a front view, (c) is a side view.

【図2】本発明の他実施態様に係る生体補綴部材としての人工股関節ステムの斜視図である。 2 is a perspective view of a hip stem as a biological prosthesis in accordance with another embodiment of the present invention.

【図3】従来例の生体補綴部材としての大腿骨コンポーネントの平面図である。 3 is a plan view of a femoral component of a biological prosthesis in the prior art.

【符号の説明】 DESCRIPTION OF SYMBOLS

F 大腿骨コンポーネント S ステム B 膝蓋骨 1 前壁 2 後壁 3 摺動部 4 顆間スリット 5、6 内側面 7 水平面 8 後斜面 9 前斜面 16 側面 11 梁 12、33 セメント溜まり 31 ネック 32 ステム本体 F femoral component S stem B patella 1 front wall 2 back wall 3 after sliding portion 4 intercondylar slits 5,6 inner surface 7 horizontal 8 slopes 9 before the slope 16 side 11 beams 12 and 33 cement reservoir 31 neck 32 stem body

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 骨や関節の一部を置換するための生体補綴部材における骨との接合表面部に、各充填した骨セメントが深さ1mm〜3mmで繋がるように、連続溝で繋がるセメント溜まりを設けてなる生体補綴部材。 To 1. A bonding surface portion of the bone in the body prosthesis for replacing a portion of the bones and joints, as bone cements each filling leads to a depth 1 mm to 3 mm, sump cement connected by continuous groove bioprosthetic member formed by providing a.
JP31252995A 1995-11-30 1995-11-30 The femoral component of an artificial knee joint Expired - Fee Related JP3495161B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31252995A JP3495161B2 (en) 1995-11-30 1995-11-30 The femoral component of an artificial knee joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31252995A JP3495161B2 (en) 1995-11-30 1995-11-30 The femoral component of an artificial knee joint

Publications (2)

Publication Number Publication Date
JPH09149908A true true JPH09149908A (en) 1997-06-10
JP3495161B2 JP3495161B2 (en) 2004-02-09

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Cited By (6)

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JP2008161312A (en) * 2006-12-27 2008-07-17 Satoru Motokawa Fixation method of artificial joint and artificial bone head stem, artificial joint and artificial bone head stem
JP2009519781A (en) * 2005-12-15 2009-05-21 ジンマー,インコーポレイティド The distal femoral knee prostheses
US9867708B2 (en) 2010-09-10 2018-01-16 Zimmer Gmbh Femoral prosthesis with lateralized patellar groove
US10045850B2 (en) 2011-06-16 2018-08-14 Zimmer, Inc. Femoral component for a knee prosthesis with improved articular characteristics
US10070966B2 (en) 2011-06-16 2018-09-11 Zimmer, Inc. Femoral component for a knee prosthesis with bone compacting ridge
US10130375B2 (en) 2014-07-31 2018-11-20 Zimmer, Inc. Instruments and methods in performing kinematically-aligned total knee arthroplasty

Families Citing this family (1)

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US9301845B2 (en) 2005-06-15 2016-04-05 P Tech, Llc Implant for knee replacement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009519781A (en) * 2005-12-15 2009-05-21 ジンマー,インコーポレイティド The distal femoral knee prostheses
JP2012000520A (en) * 2005-12-15 2012-01-05 Zimmer Inc Distal femoral knee prosthesis
US9592127B2 (en) 2005-12-15 2017-03-14 Zimmer, Inc. Distal femoral knee prostheses
JP2008161312A (en) * 2006-12-27 2008-07-17 Satoru Motokawa Fixation method of artificial joint and artificial bone head stem, artificial joint and artificial bone head stem
US9867708B2 (en) 2010-09-10 2018-01-16 Zimmer Gmbh Femoral prosthesis with lateralized patellar groove
US10045850B2 (en) 2011-06-16 2018-08-14 Zimmer, Inc. Femoral component for a knee prosthesis with improved articular characteristics
US10070966B2 (en) 2011-06-16 2018-09-11 Zimmer, Inc. Femoral component for a knee prosthesis with bone compacting ridge
US10130375B2 (en) 2014-07-31 2018-11-20 Zimmer, Inc. Instruments and methods in performing kinematically-aligned total knee arthroplasty

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