JP2001161704A - Osteosynthesis device - Google Patents
Osteosynthesis deviceInfo
- Publication number
- JP2001161704A JP2001161704A JP2001013430A JP2001013430A JP2001161704A JP 2001161704 A JP2001161704 A JP 2001161704A JP 2001013430 A JP2001013430 A JP 2001013430A JP 2001013430 A JP2001013430 A JP 2001013430A JP 2001161704 A JP2001161704 A JP 2001161704A
- Authority
- JP
- Japan
- Prior art keywords
- injection
- bone
- femur
- plate
- osteosynthesis device
- 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
Links
- 238000002347 injection Methods 0.000 claims abstract description 77
- 239000007924 injection Substances 0.000 claims abstract description 77
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 51
- 210000000689 upper leg Anatomy 0.000 claims abstract description 30
- 230000007547 defect Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 15
- 210000000528 lesser trochanter Anatomy 0.000 claims description 3
- 210000000527 greater trochanter Anatomy 0.000 claims description 2
- 230000000452 restraining effect Effects 0.000 claims description 2
- 239000002639 bone cement Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000001054 cortical effect Effects 0.000 abstract description 5
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 abstract 2
- 229910000160 potassium phosphate Inorganic materials 0.000 abstract 1
- 235000011009 potassium phosphates Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 6
- 239000001506 calcium phosphate Substances 0.000 description 6
- 235000011010 calcium phosphates Nutrition 0.000 description 6
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000035876 healing Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010022562 Intermittent claudication Diseases 0.000 description 1
- 206010061296 Motor dysfunction Diseases 0.000 description 1
- 208000010428 Muscle Weakness Diseases 0.000 description 1
- 206010028289 Muscle atrophy Diseases 0.000 description 1
- 206010028372 Muscular weakness Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000024980 claudication Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 208000030175 lameness Diseases 0.000 description 1
- 230000020763 muscle atrophy Effects 0.000 description 1
- 201000000585 muscular atrophy Diseases 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、主として大腿骨の
骨欠損部における骨片の固定等に用いられる骨接合装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an osteosynthesis device mainly used for fixing bone fragments in a bone defect of a femur.
【０００２】[0002]
【従来の技術】従来のこの種の骨接合装置としては、例
えば大腿骨の転子部から頸部を通じて頭部に亘って挿着
される骨ねじ部材と、前記転子部において挿着され、前
記骨ねじ部材を軸方向でスライディングが自在に拘束す
る円筒部及び該円筒部と一体に設けられ、大腿骨の外側
部において添着される板部からなる内固定部材と、前記
板部を大腿骨に固定する骨釘部材とから構成されるもの
がある。2. Description of the Related Art As a conventional osteosynthesis device of this type, for example, a bone screw member inserted from a trochanter portion of a femur to a head portion through a neck portion is inserted into the trochanter portion. An inner fixing member including a cylindrical portion for freely restraining the bone screw member in the axial direction and a plate portion provided integrally with the cylindrical portion and attached to an outer portion of the femur; And a bone nail member to be fixed to the body.
【０００３】かかる骨接合装置によれば、例えば大腿骨
の頸部における骨折部を固定することができるので、早
期離床及び早期リハビリテーションとして必須である荷
重歩行が実現されることとなり、ひいては筋力低下・筋
萎縮による運動機能障害や痴呆症の進行の予防が可能と
なる。According to such an osteosynthesis device, for example, a fractured portion at a neck of a femur can be fixed, so that a load walking, which is essential for early ambulation and early rehabilitation, can be realized, and as a result, muscle weakness and It becomes possible to prevent motor dysfunction and dementia progression due to muscle atrophy.
【０００４】ところが、このタイプの骨接合装置では、
骨ねじ部材が骨欠損部より挿着されることに起因して、
予想外に過剰なスライディングが発生する場合があり、
これが、骨癒合の遅延化、変形治癒による短縮跛行とい
った深刻な事態を招くとい問題がある。However, in this type of osteosynthesis device,
Due to the bone screw member being inserted from the bone defect,
Excessive sliding can occur unexpectedly,
There is a problem that this leads to a serious situation such as a delay in bone union and shortened claudication due to deformed healing.
【０００５】このような問題を解決する技術的な手段と
して、骨欠損部に対してリン酸カルシウム骨ペースト等
の注入材を注入するという方法が開発されている。つま
り、骨欠損部の固定後荷重歩行に先行して骨欠損部の隙
間にリン酸カルシウム骨ペーストを填補することとすれ
ば、これが約一週間で海綿骨の二倍程度の硬度に達し骨
癒合が促進され、過剰なスライディングの発生が予防さ
れ、変形治癒に起因する跛行等の歩行障害を未然に防止
できることとなる。As a technical means for solving such a problem, a method of injecting an injection material such as a calcium phosphate bone paste into a bone defect has been developed. In other words, if the calcium phosphate bone paste is to be filled in the gap between the bone defects prior to load walking after fixing the bone defect, this will reach about twice the hardness of cancellous bone in about one week and promote bone fusion Thus, the occurrence of excessive sliding can be prevented, and walking disorders such as lameness caused by deformed healing can be prevented beforehand.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、このタ
イプの骨接合装置では、骨欠損部の固定後に注入管を用
いて骨欠損部に向かって注入動作をしようとすると、内
固定部材が障害となり、注入管を刺入することができな
い。However, in this type of osteosynthesis device, if an injection operation is performed toward the bone defect using an injection tube after the bone defect is fixed, the internal fixation member becomes an obstacle, Infusion tube cannot be inserted.
【０００７】この場合において、皮切長さを長くして術
野を広くし、大腿骨側面の露出範囲を拡大することによ
り障害となる内固定部材を避けるという方法では、感染
症の予防、創傷治癒等の観点からみて妥当ではないの
で、避けなければならない。[0007] In this case, the method of increasing the skin incision length to widen the operative field and increasing the exposed area of the side surface of the femur to avoid an internal fixation member that hinders the prevention of infectious diseases, wounds, etc. It is not appropriate from the point of view of healing, so it must be avoided.
【０００８】そこで、本発明の課題は、大腿骨側面の露
出範囲の拡大により障害となる内固定部材を避けるとい
う方法を回避しながら、内固定部材の固定後骨欠損部に
対し注入管を用いた注入材の注入が自由にできる骨接合
装置を提供することにある。Therefore, an object of the present invention is to use an injection tube for a bone defect after fixation of an internal fixation member while avoiding a method of avoiding an internal fixation member which becomes an obstacle due to expansion of an exposed range of a side surface of a femur. An object of the present invention is to provide an osteosynthesis device that can freely inject an injected injection material.
【０００９】[0009]
【課題を解決するための手段】すなわち、第一発明に係
る骨接合装置は、大腿骨の外側部において添着される板
部を含む内固定部材と、前記板部を大腿骨に固定する骨
釘部材とからなり、前記内固定部材には、骨欠損部に対
する注入管を用いた注入材の注入動作を確保する注入孔
が設けられることを特徴としている。That is, an osteosynthesis device according to a first aspect of the present invention comprises an inner fixing member including a plate attached to an outer portion of a femur, and a bone nail for fixing the plate to the femur. The internal fixation member is provided with an injection hole for ensuring an injection operation of an injection material using an injection tube to the bone defect part.
【００１０】第二発明に係る骨接合装置は、大腿骨の転
子部から頸部を通じて頭部に亘って挿着される骨ねじ部
材と、前記転子部において挿着され、前記骨ねじ部材を
軸方向でスライド自在に拘束する円筒部及び該円筒部と
一体に設けられ、大腿骨の外側部において添着される板
部からなる内固定部材と、前記板部を大腿骨に固定する
骨釘部材とからなり、前記内固定部材には、骨欠損部に
対する注入管を用いた注入材の注入動作を確保する注入
孔が設けられることを特徴としている。An osteosynthesis device according to a second aspect of the present invention is a bone screw member inserted from the trochanter of the femur to the head through the neck, and the bone screw member inserted at the trochanter. And an inner fixing member comprising a plate portion provided integrally with the cylindrical portion and attached to an outer portion of the femur, and a bone nail for fixing the plate portion to the femur. The internal fixation member is provided with an injection hole for ensuring an injection operation of an injection material using an injection tube to the bone defect part.
【００１１】これらの発明に係る骨接合装置によれば、
内固定部材に骨欠損部に対する注入材の注入動作を確保
する注入孔を備えるので、大腿骨側面の露出範囲の拡大
により障害となる内固定部材を避けるという方法を回避
しながら、内固定部材の固定後注入管を用いて行う骨欠
損部への注入材の注入が自由にできるという効果が得ら
れる。According to the osteosynthesis device according to the invention,
Since the internal fixation member is provided with an injection hole for securing the injection operation of the injection material into the bone defect, the internal fixation member is prevented while avoiding a method of avoiding the internal fixation member, which becomes an obstacle by expanding the exposed range of the side surface of the femur. The effect that the injection material can be freely injected into the bone defect using the injection tube after the fixation is obtained.
【００１２】これらの発明において、前記注入孔として
は、骨欠損部に対する注入管を用いた注入材の注入動作
が確保され得るものであればよく、それゆえ、それが、
どのような形状で設けられているか、どの程度の大きさ
や方向で設けられているか等の別を問わない。In these inventions, the injection hole may be any hole that can ensure the operation of injecting the injection material into the bone defect using an injection tube.
Regardless of the shape, the size, the direction, or the like, it does not matter.
【００１３】ただし、より的確で安定性の高い注入動作
を実現しようとする観点からすれば、前記注入孔として
は、板部に設けられ、骨欠損部に対する注入動作におけ
る注入管に対応した大きさ及び方向を有することが好ま
しい。However, from the viewpoint of achieving a more accurate and highly stable injection operation, the injection hole is provided in the plate portion and has a size corresponding to the injection tube in the injection operation for the bone defect. And a direction.
【００１４】一方、第二発明において、前記注入孔とし
ては、第一発明における前記注入孔と同様、骨欠損部に
対する注入管を用いた注入材の注入動作が確保され得る
ものであればよく、それゆえ、それが、どの部位で設け
られているか、どのような形状で設けられているか等の
別を問わない。On the other hand, in the second invention, the injection hole may be any hole that can ensure the operation of injecting the injection material into the bone defect using an injection tube, as in the injection hole in the first invention. Therefore, it does not matter whether it is provided at which part or in what shape.
【００１５】ただし、より自由度の大きく円滑な注入動
作を実現しようとする観点からすれば、前記注入孔は、
前記円筒部の大転子側及び小転子側の少なくともいずれ
か一方に設けられ、軸方向に長い形状を呈することが好
ましい。However, from the viewpoint of realizing a smoother injection operation with a greater degree of freedom, the injection hole is:
It is preferable that the cylindrical portion is provided on at least one of the major trochanter side and the minor trochanter side, and has a shape that is long in the axial direction.
【００１６】[0016]
【発明の実施の形態】以下、添付図面に基づいて本発明
の実施の形態を詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
【００１７】◎実施の形態１ 図１は本発明の実施の形態１に係る骨接合装置の概略構
成を外側から示す斜視図、該骨接合装置の概略構成を内
側から示す斜視図である。Embodiment 1 FIG. 1 is a perspective view showing a schematic configuration of an osteosynthesis device according to Embodiment 1 of the present invention from the outside, and a perspective view showing a schematic configuration of the osteosynthesis device from the inside.
【００１８】なお、この実施の形態１に係る接合装置に
ついての以下の説明は、第二発明に係る接合装置のみな
らず、第一発明に係る接合装置についての説明をも包含
するものである。The following description of the bonding apparatus according to the first embodiment includes not only the description of the bonding apparatus according to the first invention but also the description of the bonding apparatus according to the first invention.
【００１９】また、この実施の形態１に係る接合装置
は、大腿骨頸部骨折部に適用されるものであるが、大腿
骨の範囲にあれば、部位の別を問わず、骨折部に限定さ
れるものでもなく、骨粗鬆部等を含めて骨欠損部に広く
適用できるものである。Although the joint device according to the first embodiment is applied to a femoral neck fracture, it is limited to a fractured portion regardless of the region as long as it is within the range of the femur. However, it can be widely applied to a bone defect including an osteoporosis part.
【００２０】この実施の形態１において、骨接合装置
は、これらの図に示すように、骨ねじ部材たるラグスク
リュー１と、内固定部材たるチューブプレート２と、骨
釘部材たるコーティカルスクリュー３とから構成されて
いる。以下、各構成要素について詳細に説明する。In the first embodiment, as shown in these figures, the osteosynthesis device includes a lag screw 1 serving as a bone screw member, a tube plate 2 serving as an internal fixing member, and a cortical screw 3 serving as a bone nail member. It is composed of Hereinafter, each component will be described in detail.
【００２１】（１）ラグスクリュー１ ラグスクリュー１は、これらの図に示すように、大腿骨
１０の転子部１５から頸部１６を通じて頭部１７に亘っ
て挿着されるものである。(1) Lag Screw 1 The lag screw 1 is inserted from the trochanter 15 of the femur 10 to the head 17 through the neck 16 as shown in these figures.
【００２２】つまり、ラグスクリュー１は、荷重歩行に
起因する頭部１７と大腿骨１０間における骨折部の転位
を防ぐ役割を果たすものであり、この実施の形態１にお
いては、整形外科手術に頻用されているものを用いてい
る。In other words, the lag screw 1 serves to prevent displacement of the fracture between the head 17 and the femur 10 due to load walking. In the first embodiment, the lag screw 1 is frequently used in orthopedic surgery. What is being used.
【００２３】なお、ラグスクリュー１の挿着は、これら
の図に示すように、頭部１７を貫かない深度でなされる
が、これは、股関節の機能を維持するためである。The insertion of the lag screw 1 is performed at a depth that does not penetrate the head 17, as shown in these figures, in order to maintain the function of the hip joint.
【００２４】（２）チューブプレート２ チューブプレート２は、これらの図に示すように、転子
部１５において挿着されている。(2) Tube Plate 2 The tube plate 2 is inserted in the trochanter 15 as shown in these figures.
【００２５】このチューブプレート２は、具体的には、
これらの図に示すように、ラグスクリュー１を軸方向で
スライディングが自由な状態で拘束する円筒部２ａと、
円筒部２ａと一体に設けられ、大腿骨１０の外側部にお
いて添着される板部２ｂとからなっている。This tube plate 2 is, specifically,
As shown in these figures, a cylindrical portion 2a that restrains the lag screw 1 in a state where sliding in the axial direction is free,
A plate portion 2b is provided integrally with the cylindrical portion 2a and attached to an outer portion of the femur 10.
【００２６】このようなチューブプレート２において
は、これらの図に示すように、骨欠損部に対する注入管
１１を用いた注入材たるリン酸カルシウム骨ペースト１
２の注入動作を確保する注入孔４が設けられている。In such a tube plate 2, as shown in these figures, a calcium phosphate bone paste 1 as an injection material using an injection tube 11 for a bone defect.
An injection hole 4 for ensuring the injection operation 2 is provided.
【００２７】この注入孔４は、具体的には、これらの図
に示すように、円筒部２ａの大転子１３側及び小転子１
４側に設けられている円筒部注入孔４ａと、板部２ｂに
設けられている板部注入孔４ｂとからなっている。Specifically, as shown in these figures, the injection hole 4 is formed between the larger trochanter 13 side of the cylindrical portion 2a and the smaller trochanter 1
It comprises a cylindrical part injection hole 4a provided on the side 4 and a plate part injection hole 4b provided on the plate part 2b.
【００２８】板部注入孔４ｂは、図１及び図２並びに図
３（ａ）に示すように、骨欠損部に対する注入動作にお
ける注入管１１に対応した大きさ及び方向を有してい
る。すなわち、板部注入孔４ｂは、注入管１１が挿入さ
れた場合に、注入管１１を骨欠損部に対する方向に設定
する役割を果たす。これにより、より的確で安定性の高
い注入動作が実現することとなる。As shown in FIGS. 1, 2 and 3A, the plate injection hole 4b has a size and a direction corresponding to the injection tube 11 in the injection operation for the bone defect. That is, when the injection tube 11 is inserted, the plate injection hole 4b plays a role in setting the injection tube 11 in a direction toward the bone defect. Thereby, a more accurate and highly stable injection operation is realized.
【００２９】円筒部注入孔４ａは、図１及び図２並びに
図３（ｂ）に示すように、軸方向に長い形状を呈してい
る。すなわち、円筒部注入孔４ａは、板部注入孔４ｂに
よっては設定できない大転子１３方向頸部１６や小転子
１４方向に注入管１１を設定する役割を果たす。これに
より、より自由度の大きい、円滑な注入動作が実現する
こととなる。As shown in FIGS. 1, 2 and 3B, the cylindrical injection hole 4a has a shape that is long in the axial direction. That is, the cylindrical portion injection hole 4a plays a role of setting the injection tube 11 in the direction of the large trochanter 13 neck 16 and the small trochanter 14 which cannot be set by the plate portion injection hole 4b. As a result, a smoother injection operation with a higher degree of freedom is realized.
【００３０】（３）コーティカルスクリュー３ コーティカルスクリュー３は、これらの図に示すよう
に、板部２ｂを貫いた状態で大腿骨１０に締着されるも
のであり、チューブプレート２を大腿骨１０に固定する
役割を果たすものである。(3) Cortical screw 3 As shown in these figures, the cortical screw 3 is fastened to the femur 10 while penetrating the plate portion 2b. It plays the role of fixing to 10.
【００３１】つまり、このような骨接合装置によれば、
これらの図に示すように、チューブプレート２に骨欠損
部に対するリン酸カルシウム骨ペースト１２の注入動作
を確保する注入孔４を備えているので、観血整復後であ
ってチューブプレート２の固定後において、注入管１１
を用いて行う骨欠損部へのリン酸カルシウム骨ペースト
１２の注入が自由にできるという効果が得られる。That is, according to such an osteosynthesis device,
As shown in these figures, since the tube plate 2 is provided with the injection hole 4 for ensuring the operation of injecting the calcium phosphate bone paste 12 into the bone defect, after the invasive reduction and the fixation of the tube plate 2, Injection tube 11
The effect that the calcium phosphate bone paste 12 can be freely injected into the bone defect portion using the method can be obtained.
【００３２】加えて、大腿骨１０側面の露出範囲を拡大
しなくても、チューブプレート２が障害となることがな
く、感染症等の危険性を回避できるという効果も得られ
る。In addition, even if the exposed area of the side surface of the femur 10 is not expanded, the tube plate 2 is not obstructed, and the effect of avoiding the risk of infection and the like can be obtained.
【００３３】◎実施の形態２ 図４は本発明の実施の形態２に係る骨接合装置の概略構
成を示す斜視図である。なお、実施の形態１と同様な構
成要素については実施の形態１と同様な符号を付してこ
こではその詳細な説明を省略する。Embodiment 2 FIG. 4 is a perspective view showing a schematic configuration of an osteosynthesis device according to Embodiment 2 of the present invention. Note that components similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and detailed description thereof is omitted here.
【００３４】この実施の形態２に係る骨接合装置は、同
図に示すように、実施の形態１と略同様であるが、手術
上の便宜から、チューブプレート２として近位側と遠位
側とに分割構成してなるものが採用されている点のみ
が、実施の形態１と異なっている。The osteosynthesis device according to the second embodiment is substantially the same as that of the first embodiment, as shown in the figure. This embodiment is different from the first embodiment only in that a configuration divided into and is adopted.
【００３５】しかし、このチューブプレート２は、最終
的な取付形態として、一体状態となって大腿骨１０の外
側に添着されるものである点では、実施の形態１におけ
るチューブプレート２と異ならない。However, the tube plate 2 is not different from the tube plate 2 in the first embodiment in that the tube plate 2 is integrally attached to the outside of the femur 10 as a final attachment form.
【００３６】したがって、この実施の形態２に係る骨接
合装置によれば、前記した実施の形態１と同様な効果が
得られることになる。Therefore, according to the osteosynthesis device of the second embodiment, the same effects as those of the first embodiment can be obtained.
【００３７】[0037]
【発明の効果】本発明に係る骨接合装置によれば、以上
のように構成したため、大腿骨側面の露出範囲の拡大に
より障害となる内固定部材を避けるという方法を回避し
ながら、内固定部材の固定後に骨欠損部に対する注入管
を用いた注入材の注入が自由に行い得ることになる。According to the osteosynthesis device according to the present invention, since the osteosynthesis device is configured as described above, the internal fixation member can be avoided while avoiding the method of avoiding the internal fixation member that becomes an obstacle due to the expansion of the exposed range of the side surface of the femur. After the fixation, the injection material can be freely injected into the bone defect using an injection tube.
【図１】本発明の実施の形態１に係る骨接合装置の概略
構成を外側から示す斜視図である。FIG. 1 is a perspective view showing a schematic configuration of an osteosynthesis device according to Embodiment 1 of the present invention from the outside.
【図２】本発明の実施の形態１に係る骨接合装置の概略
構成を内側から示す斜視図である。FIG. 2 is a perspective view showing a schematic configuration of the osteosynthesis device according to Embodiment 1 of the present invention from the inside.
【図３】本発明の実施の形態１に係る骨接合装置の作用
を示す側面図（一部断面図）である。FIG. 3 is a side view (partially sectional view) showing an operation of the osteosynthesis device according to Embodiment 1 of the present invention.
【図４】本発明の実施の形態２に係る骨接合装置の概略
構成を分解的に示す斜視図である。FIG. 4 is an exploded perspective view schematically illustrating a configuration of an osteosynthesis device according to Embodiment 2 of the present invention.
１…ラグスクリュー（骨ねじ部材） ２…チューブプレート（内固定部材） ２ａ…円筒部 ２ｂ…板部 ３…コーティカルスクリュー（骨釘部材） ４…注入孔 ４ａ…円筒部注入孔 ４ｂ…板部注入孔 １０…大腿骨 １１…注入管 １２…リン酸カルシウム骨ペースト（注入材） １３…大転子 １４…小転子 １５…転子部 １６…頸部 １７…頭部 DESCRIPTION OF SYMBOLS 1 ... Lag screw (bone screw member) 2 ... Tube plate (internal fixing member) 2a ... Cylindrical part 2b ... Plate part 3 ... Cortical screw (bone nail member) 4: Injection hole 4a ... Cylindrical part injection hole 4b ... Plate part Injection hole 10 ... femur 11 ... injection tube 12 ... calcium phosphate bone paste (injection material) 13 ... great trochanter 14 ... small trochanter 15 ... trochanter part 16 ... neck 17 ... head
Claims (4)
を含む内固定部材と、 前記板部を大腿骨に固定する骨釘部材とからなり、 前記内固定部材には、骨欠損部に対する注入管を用いた
注入材の注入動作を確保する注入孔が設けられることを
特徴とする、骨接合装置。1. An internal fixation member including a plate attached to an outer portion of a femur, and a bone nail member for fixing the plate to a femur, wherein the internal fixation member is provided for a bone defect. An osteosynthesis device, characterized in that an injection hole for ensuring an injection operation of an injection material using an injection tube is provided.
亘って挿着される骨ねじ部材と、 前記転子部において挿着され、前記骨ねじ部材を軸方向
でスライド自在に拘束する円筒部及び該円筒部と一体に
設けられ、大腿骨の外側部において添着される板部から
なる内固定部材と、 前記板部を大腿骨に固定する骨釘部材とからなり、 前記内固定部材には、骨欠損部に対する注入管を用いた
注入材の注入動作を確保する注入孔が設けられることを
特徴とする、骨接合装置。2. A bone screw member inserted from a trochanter portion of a femur to a head portion through a neck portion, and a bone screw member inserted in the trochanter portion and slidably restraining the bone screw member in an axial direction. An inner fixing member comprising a cylindrical portion to be provided and a plate portion provided integrally with the cylindrical portion and attached to an outer portion of the femur; and a bone nail member for fixing the plate portion to the femur. An osteosynthesis device, wherein the member is provided with an injection hole for ensuring an injection operation of an injection material using an injection tube to the bone defect.
部に対する注入動作における注入管に対応した大きさ及
び方向を有することを特徴とする、請求項１又は請求項
２に記載の骨接合装置。3. The injection hole according to claim 1, wherein the injection hole is provided in the plate portion, and has a size and a direction corresponding to an injection tube in an injection operation for a bone defect portion. Osteosynthesis device.
び小転子側の少なくともいずれか一方に設けられ、軸方
向に長い形状を呈することを特徴とする、請求項２又は
請求項３に記載の骨接合装置。4. The injection hole is provided on at least one of the greater trochanter side and the lesser trochanter side of the cylindrical portion, and has an elongated shape in the axial direction. Item 6. An osteosynthesis device according to Item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001013430A JP3218465B2 (en) | 2001-01-22 | 2001-01-22 | Osteosynthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001013430A JP3218465B2 (en) | 2001-01-22 | 2001-01-22 | Osteosynthesis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001161704A true JP2001161704A (en) | 2001-06-19 |
| JP3218465B2 JP3218465B2 (en) | 2001-10-15 |
Family
ID=18880285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001013430A Expired - Fee Related JP3218465B2 (en) | 2001-01-22 | 2001-01-22 | Osteosynthesis device |
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| Country | Link |
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| JP (1) | JP3218465B2 (en) |
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| JP2009125553A (en) * | 2007-11-28 | 2009-06-11 | Biomet Japan Inc | Implant |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1227902A (en) | 1984-04-02 | 1987-10-13 | Raymond G. Tronzo | Fenestrated hip screw and method of augmented internal fixation |
-
2001
- 2001-01-22 JP JP2001013430A patent/JP3218465B2/en not_active Expired - Fee Related
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| US7229445B2 (en) | 2004-06-21 | 2007-06-12 | Synthes (Usa) | Bone plate with bladed portion |
| JP2009125553A (en) * | 2007-11-28 | 2009-06-11 | Biomet Japan Inc | Implant |
| US10624686B2 (en) | 2016-09-08 | 2020-04-21 | DePuy Synthes Products, Inc. | Variable angel bone plate |
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| JP3218465B2 (en) | 2001-10-15 |
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