JP3037362B2 - Bone graft - Google Patents
Bone graftInfo
- Publication number
- JP3037362B2 JP3037362B2 JP2093773A JP9377390A JP3037362B2 JP 3037362 B2 JP3037362 B2 JP 3037362B2 JP 2093773 A JP2093773 A JP 2093773A JP 9377390 A JP9377390 A JP 9377390A JP 3037362 B2 JP3037362 B2 JP 3037362B2
- Authority
- JP
- Japan
- Prior art keywords
- bone
- driving
- fracture
- vibrator
- bone grafting
- 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 - Lifetime
Links
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/10—Surgical instruments, devices or methods for applying or removing wound clamps, e.g. containing only one clamp or staple; Wound clamp magazines
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (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)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、骨接ぎ具に関する。Description: TECHNICAL FIELD The present invention relates to a bone grafting tool.
［従来の技術］ 骨折を治療するため、骨折部を固定するのに、ボーン
プレートを骨にねじ止めすることが行われている。また
骨を縫合することにより骨折部を固定する方法もある。
さらにキルシェナー鋼線を骨内に挿通し、骨折部を連
結、固定する方法もある。[Background Art] In order to treat a fracture, a bone plate is screwed to a bone to fix the fracture. There is also a method of fixing a fractured portion by suturing a bone.
There is also a method in which a Kirschener steel wire is inserted into the bone to connect and fix the fracture.
［発明が解決しようとする課題］ しかし、ボーンプレートを用いる場合には、骨折部を
露出させ、しかも骨にねじ穴をあけなければならないの
で、創面が大きくなり、また、出血量、骨削量が多くな
ってしまう。したがって患者の苦痛が大きく、しかも治
癒までに期間が長くなってしまう。またボーンプレート
は骨折部が狭小な部分にある場合には、使用することが
できない欠点もある。また治癒時間が長くなってしまう
問題点もある。[Problems to be Solved by the Invention] However, when a bone plate is used, the fractured portion must be exposed and a screw hole must be formed in the bone, so that the wound surface becomes large, and the amount of bleeding and bone removal is increased. Will increase. Therefore, the pain of the patient is great, and the period for healing is long. There is also a disadvantage that the bone plate cannot be used when the fracture is in a narrow portion. There is also a problem that the healing time becomes longer.
縫合法や鋼線を用いる場合には、治癒時間が長い他、
ボーンプレートを使用した場合より骨折部を強固に固定
することができず、骨折部がずれてしまうおそれがあ
る。When using the suturing method or steel wire, the healing time is long,
The fractured part cannot be fixed more firmly than when the bone plate is used, and the fractured part may be shifted.
本発明は上記従来の問題点に着目してなれたものであ
り、創面が小さく、出血量、骨削量が少なく、しかも骨
折部を強固に固定でき、治癒時間を短縮することができ
る骨接ぎ具を提供することを目的とする。The present invention has been made by paying attention to the above-mentioned conventional problems, and has a small wound surface, a small amount of bleeding and a small amount of bone cutting, and can firmly fix a fractured part and can shorten a healing time. The purpose is to provide.
［課題を解決するための手段］ 本発明にかかる骨接ぎ具は、骨折部にまたがって離間
する複数の打ち込み部と、この打ち込み部を連結する連
結部とによって構成されており、少なくとも打ち込み部
に潤滑媒体供給路が設けられている。[Means for Solving the Problems] A bone grafting tool according to the present invention is constituted by a plurality of driving parts separated from each other over a fractured part and a connecting part connecting the driving parts, and at least the driving part is lubricated. A medium supply path is provided.
また、本発明にかかる骨接ぎ具は、骨折部にまたがっ
て離間する複数の打ち込み部と、この打ち込み部を連結
する連結部とによって構成されており、前記連結部には
超音波振動を与える振動子が接触している。Further, a bone grafting tool according to the present invention includes a plurality of driving portions separated from each other over a fractured portion, and a connecting portion connecting the driving portions, and a vibrator for applying ultrasonic vibration to the connecting portion. Are in contact.
［発明の作用］ 本発明にかかる骨接ぎ具では、打ち込み部が離間して
いるので、打ち込み部を骨に打ち込むと、骨折部をまた
ぐ状態となり、骨折部が連結される。骨接ぎ具を骨に打
ち込むとき、骨接ぎ具の潤滑媒体供給路から、打ち込み
部と骨との接触部やその周辺に生理食塩水などの潤滑媒
体を供給し、抵抗を小さくして、打ち込み部が骨内へ円
滑に入り込んでいくようにし、発熱を防止する。[Operation of the Invention] In the bone grafting tool according to the present invention, the driving portions are separated from each other. Therefore, when the driving portion is driven into the bone, the bone straddles the fractured portion, and the fractured portions are connected. When driving the bone graft into a bone, a lubricating medium such as saline is supplied to the contact portion between the driven portion and the bone and the periphery thereof from the lubricating medium supply passage of the bone graft to reduce the resistance, and the driven portion is driven into the bone. To get into the inside smoothly, to prevent heat generation.
また、本発明にかかる骨接ぎ具では、連結部に超音波
振動を与える振動子が接触していると、骨接ぎ具を振動
させることができる。したがって、骨に打ち込む際に、
骨折部を大きく広げたり、骨にねじ穴をあけたりする必
要がなく、創面を小さくでき、出血量、骨削量を少なく
できるようになる。また縫合等の固定方法と比べて強固
に骨折部が固定される。さらに治癒時間が短くなる。Further, in the bone grafting tool according to the present invention, when the vibrator for applying ultrasonic vibration is in contact with the connecting portion, the bone grafting tool can be vibrated. Therefore, when driving into the bone,
There is no need to widen the fractured part or drill a screw hole in the bone, so that the wound surface can be reduced, and the amount of bleeding and bone reduction can be reduced. Further, the fracture portion is fixed more firmly than a fixing method such as suturing. Healing time is further reduced.
［発明の実施例］ 以下本発明の実施例を第１図から第７図の図面に従っ
て説明する。[Embodiment of the Invention] An embodiment of the present invention will be described below with reference to the drawings of Figs.
１は骨接ぎ具を示し、この骨接ぎ具１はコバルトクロ
ムなどの素材によって構成できる。骨接ぎ具１は一対の
打ち込み部２、２と、この打ち込み部２、２と一体に形
成され、打ち込み部２どうしを連結する連結部３とによ
って構成されている。骨接ぎ具１の外側の面には潤滑媒
体供給路としての溝４が形成されている。この溝４は打
ち込み部２、２と連結部３の外側の面に連続して形成さ
れ、打ち込み部２、２の先端面７まで続いている。した
がって第４図に示すように先端面７の面積が溝４の断面
積だけ小さくなり、打ち込み部２、２を骨に打ち込むと
きの抵抗を減少することができる。また溝４の両側に形
成されている突条６、６は打ち込み部２、２の断面積の
減少に伴う打ち込み部２、２の強度の低下を緩和する役
目を果たすことになる。骨接ぎ具１の幅寸法ｈと高さ寸
法ｔはともに10mmであり、打ち込み部２、２の幅寸法ｉ
は2mmである。Reference numeral 1 denotes a bone graft, and the bone graft 1 can be made of a material such as cobalt chrome. The bone grafting tool 1 includes a pair of driving parts 2 and 2 and a connecting part 3 formed integrally with the driving parts 2 and 2 and connecting the driving parts 2 to each other. A groove 4 as a lubricating medium supply passage is formed on the outer surface of the bone grafting tool 1. The groove 4 is formed continuously on the outer surface of the driving portions 2, 2 and the connecting portion 3, and continues to the distal end surface 7 of the driving portions 2, 2. Therefore, as shown in FIG. 4, the area of the distal end face 7 is reduced by the cross-sectional area of the groove 4, and the resistance when the driving portions 2, 2 are driven into the bone can be reduced. The protrusions 6, 6 formed on both sides of the groove 4 serve to alleviate a decrease in the strength of the driven portions 2, 2 due to a decrease in the cross-sectional area of the driven portions 2, 2. The width dimension h and the height dimension t of the bone grafting tool 1 are both 10 mm, and the width dimension i
Is 2 mm.
第５図において10は超音波振動装置本体を示し、この
超音波振動装置本体10には、操作部11がコード12を介し
て取り付けられている。この操作部11には、振動子13が
取り付けられており、この振動子13は超音波振動するよ
うになっている。なお一般に超音波振動は二万回／分以
上の振動をいうが、ここではそれより広義に用い、数百
回／分程度の振動をも含む意味に用いる。点滴用プラス
チックボトル15には生理食塩水が入れられている。In FIG. 5, reference numeral 10 denotes an ultrasonic vibration device main body, and an operation unit 11 is attached to the ultrasonic vibration device main body 10 via a cord 12. A vibrator 13 is attached to the operation unit 11, and the vibrator 13 is configured to vibrate ultrasonically. In general, ultrasonic vibration refers to vibration of 20,000 times / minute or more, but here, it is used in a broader sense, and is used to include vibration of several hundred times / minute. Physiological saline is put in the plastic bottle 15 for infusion.
次に下顎体部16の骨折を本発明の骨接ぎ具１によって
連結、固定する作業について説明する。Next, the operation of connecting and fixing the fracture of the lower jaw body 16 by the bone grafting device 1 of the present invention will be described.
骨折部17をまたぎ、且つ下顎体部16に対し直角となる
ように骨接ぎ具１を下顎体部16にあてがい、次いで超音
波振動装置の操作部11を操作して、振動子13を骨接ぎ具
１の連結部３の外側の面に接触させて振動子13を振動さ
せ、骨接ぎ具１の打ち込み部２、２を下顎体部16に打ち
込んで、骨折部17を連結し固定する。骨接ぎ具１は溝４
が形成されているため骨との接触面積が大きくなり骨折
部をより強固に固定することができる。なお骨接ぎ具１
の打ち込みはペンチ等で押圧することによっても行うこ
とができる。The bone grafting tool 1 is applied to the lower jaw body 16 so as to straddle the fracture portion 17 and be perpendicular to the lower jaw body 16, and then the operating unit 11 of the ultrasonic vibration device is operated to move the vibrator 13 to the bone grafting tool 1. The vibrator 13 is vibrated by being brought into contact with the outer surface of the connecting portion 3 to drive the driving portions 2 and 2 of the bone grafting tool 1 into the lower jaw body portion 16 to connect and fix the fracture portion 17. Bone grafting device 1 is groove 4
Is formed, the contact area with the bone is increased, and the fracture part can be fixed more firmly. Bone grafting tool 1
Can also be performed by pressing with pliers or the like.
打ち込み部２、２を下顎体部16に打ち込むとき、プラ
スチックボトル15内の生理食塩水を振動子13上に供給す
る。振動子13上に供給された生理食塩水は振動子13を伝
わり、骨接ぎ具１の連結部３上に供給され、溝４を通っ
て打ち込み部２、２の先端方向に流れ落ち、打ち込み部
２、２と骨との接触部やその周辺に供給される。そして
生理食塩水は打ち込み部２、２と骨との抵抗を小さくし
て、打ち込み部２、２が骨内へ円滑に入り込んで行くよ
うし、発熱を防止する。When the driving parts 2 and 2 are driven into the lower jaw part 16, the physiological saline in the plastic bottle 15 is supplied onto the vibrator 13. The physiological saline supplied on the vibrator 13 propagates through the vibrator 13 and is supplied onto the connecting portion 3 of the bone grafting tool 1, flows down through the groove 4 toward the tip of the driving portions 2, 2, and flows into the driving portion 2. It is supplied to the contact area between 2 and the bone and its surroundings. Then, the physiological saline reduces the resistance between the driving portions 2 and 2 and the bones, so that the driving portions 2 and 2 can smoothly enter the bones and prevent heat generation.
骨折部が治癒した後、骨接ぎ具１を取り除く場合に
も、超音波振動装置の振動子13によって骨接ぎ具１に振
動を与え、打ち込み部２、２の骨に対する固定を緩ませ
てから除去する。When the bone graft is healed, the bone graft 1 is also removed when the bone graft 1 is vibrated by the vibrator 13 of the ultrasonic vibrator to loosen the fixation of the driving parts 2 and 2 to the bone.
骨接ぎ具１は上記した下顎体部の骨折に対してだけで
なく、第６図に示すように顎角部20と顎関節突起21にお
ける骨折に対して適用することも可能である。その他本
発明の骨接ぎ具１は、その大きさあるいは打ち込み部２
の数、長さ、さらに太さを適宜変更して色々な部位の骨
折に用いることができる。またその形状もＵ字状等、使
用箇所によって変更することが可能である。さらに溝４
の形状や数も骨接ぎ具の大きさ等によって変更すること
ができる。なお振動子はその振動数に応じて大きさ、重
量を変更するようにしてもよい。The bone grafting device 1 can be applied not only to the above-mentioned fracture of the lower jaw, but also to the fracture at the jaw angle portion 20 and the temporomandibular joint protrusion 21 as shown in FIG. In addition, the bone grafting device 1 of the present invention
The number, the length, and the thickness can be appropriately changed to be used for fractures of various parts. Also, the shape can be changed depending on the place of use, such as a U-shape. Further groove 4
The shape and number can be changed according to the size of the bone grafting tool and the like. The size and weight of the vibrator may be changed according to the frequency.
［発明の効果］ 以上のように本発明の骨接ぎ具では、打ち込み部を骨
に打ち込んで骨折部を固定するので、縫合により、骨折
部を固定する場合よりも骨折部を強固に固定することが
可能となり、骨折部がずれてしまうおそれがなくなる。
また潤滑媒体供給路が設けられているので、骨接ぎ具を
骨に打ち込むとき生理食塩水などの潤滑媒体を骨接ぎ具
の潤滑媒体供給路から、打ち込み部と骨との接触部やそ
の周辺に供給できるようになる。したがって打ち込み部
を骨内へ円滑に入り込ませることができるようになり、
しかも発熱を防止することが可能となる。さらに狭小な
部分の骨折にも適用することが可能である。[Effects of the Invention] As described above, in the bone grafting device of the present invention, the driven part is driven into the bone to fix the fractured part. Therefore, it is possible to fix the fractured part by suturing more firmly than when fixing the fractured part. It becomes possible, and the possibility that the fractured part is shifted is eliminated.
In addition, since the lubricating medium supply path is provided, a lubricating medium such as saline can be supplied from the lubricating medium supply path of the bone graft to the contact portion between the driven portion and the bone and the periphery thereof when the bone graft is driven into the bone. Become like Therefore, it becomes possible to make the driving part smoothly enter the bone,
In addition, heat generation can be prevented. Further, it can be applied to a fracture in a narrow portion.
また、本発明にかかる骨接ぎ具では、連結部に超音波
振動を与える振動子が接触しているので、骨折部にまた
がって離間する複数の打ち込み部を振動させながら骨内
へ打ち込みすることができる。そのため、打ち込み部を
骨内に打ち込むときの抵抗を減少することができ、スム
ーズに骨内へ入り込みするので、創面を小さくでき、出
血量、骨削量を少なくできるようになり、患者の苦痛が
小さくなって、しかも治癒が早くなる。また、治癒時間
が短くなり、狭小な部分の骨折にも適用することが可能
である。さらに、骨折部が治癒した後に骨接ぎ具を取り
除く場合にも、超音波振動を連結部に与えるので、打ち
込み部の骨に対する固定を緩ませながら容易に除去でき
る。Further, in the bone grafting tool according to the present invention, since the vibrator for applying ultrasonic vibration is in contact with the connecting portion, it is possible to drive the plurality of driving portions separated over the fractured portion into the bone while vibrating. . Therefore, it is possible to reduce the resistance when the driving portion is driven into the bone and smoothly penetrate the bone, so that the wound surface can be reduced, the amount of bleeding and the amount of bone cut can be reduced, and the pain of the patient can be reduced. It gets smaller and heals faster. In addition, the healing time is shortened, and the present invention can be applied to a fracture in a narrow portion. Further, even when the bone graft is removed after the fracture has healed, the ultrasonic vibration is applied to the connecting portion, so that the implanted portion can be easily removed while loosening the fixation to the bone.
第１図は本発明の骨接ぎ具の斜視図、第２図は同正面
図、第３図は同側面図、第４図は同下面図、第５図と第
６図は骨接ぎ具を用いて骨折部を固定する作業を説明す
るための図、第７図は顎角部と顎関節突起における骨折
に骨接ぎ具を適用した場合を示す図である。 １……骨接ぎ具、２……打ち込み部 ３……連結部、４……溝1 is a perspective view of a bone grafting device of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a side view thereof, FIG. 4 is a bottom view thereof, and FIGS. FIG. 7 is a view for explaining an operation of fixing a fracture, and FIG. 7 is a view showing a case where a bone grafting tool is applied to a fracture at a jaw corner and a temporomandibular joint process. 1 ... bone grafting tool 2 ... driving part 3 ... connecting part 4 ... groove
フロントページの続き (56)参考文献 特開 昭64−64784（ＪＰ，Ａ) 特開 昭63−49152（ＪＰ，Ａ) 特開 昭58−188441（ＪＰ，Ａ) 特開 昭58−188442（ＪＰ，Ａ) 特開 平２−12678（ＪＰ，Ａ) 特開 昭62−66848（ＪＰ，Ａ) 実開 昭51−162584（ＪＰ，Ｕ) 特公 昭53−19874（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.7，ＤＢ名) A61B 17/56 - 17/92 A61B 17/36 Continuation of the front page (56) References JP-A-64-64784 (JP, A) JP-A-63-49152 (JP, A) JP-A-58-188441 (JP, A) JP-A-58-188442 (JP) JP-A-2-12678 (JP, A) JP-A-62-66848 (JP, A) JP-A-51-162584 (JP, U) JP-B-53-19874 (JP, B2) (58) Field surveyed (Int. Cl. 7 , DB name) A61B 17/56-17/92 A61B 17/36
Claims (2)
み部と、この打ち込み部を連結する連結部と、少なくと
も前記打ち込み部に設けられる潤滑媒体供給路とから成
る骨接ぎ具。1. A bone joint comprising a plurality of driving portions separated from each other across a fracture portion, a connecting portion connecting the driving portions, and a lubricating medium supply path provided at least in the driving portion.
み部と、この打ち込み部を連結する連結部とによって構
成され、前記連結部には超音波振動を与える振動子が接
触して成る骨接ぎ具。2. A bone joint comprising a plurality of driving portions separated from each other across a fracture portion and a connecting portion connecting the driving portions, and a vibrator for applying ultrasonic vibration is brought into contact with the connecting portion. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2093773A JP3037362B2 (en) | 1990-04-09 | 1990-04-09 | Bone graft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2093773A JP3037362B2 (en) | 1990-04-09 | 1990-04-09 | Bone graft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03292946A JPH03292946A (en) | 1991-12-24 |
| JP3037362B2 true JP3037362B2 (en) | 2000-04-24 |
Family
ID=14091744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2093773A Expired - Lifetime JP3037362B2 (en) | 1990-04-09 | 1990-04-09 | Bone graft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3037362B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9265500B2 (en) * | 2009-08-19 | 2016-02-23 | Covidien Lp | Surgical staple |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5319874B2 (en) | 2006-04-07 | 2013-10-16 | 日立マクセル株式会社 | Mold member for injection molding |
-
1990
- 1990-04-09 JP JP2093773A patent/JP3037362B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5319874B2 (en) | 2006-04-07 | 2013-10-16 | 日立マクセル株式会社 | Mold member for injection molding |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03292946A (en) | 1991-12-24 |
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