JP2004154480A - Plate for osteosynthesis - Google Patents

Plate for osteosynthesis Download PDF

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Publication number
JP2004154480A
JP2004154480A JP2002325426A JP2002325426A JP2004154480A JP 2004154480 A JP2004154480 A JP 2004154480A JP 2002325426 A JP2002325426 A JP 2002325426A JP 2002325426 A JP2002325426 A JP 2002325426A JP 2004154480 A JP2004154480 A JP 2004154480A
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JP
Japan
Prior art keywords
plate
bone
osteosynthesis
fracture
ultrasonic
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
JP2002325426A
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Japanese (ja)
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JP4104959B2 (en
Inventor
Naoko Kajimoto
直子 梶本
Atsumi Ota
厚美 太田
Nobuo Ogiwara
信夫 荻原
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.)
BIO MAP CO
Ito Co ltd
Original Assignee
BIO MAP CO
Ito Co ltd
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 BIO MAP CO, Ito Co ltd filed Critical BIO MAP CO
Priority to JP2002325426A priority Critical patent/JP4104959B2/en
Publication of JP2004154480A publication Critical patent/JP2004154480A/en
Application granted granted Critical
Publication of JP4104959B2 publication Critical patent/JP4104959B2/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plate for osteosynthesis which can efficiently transmit an ultrasonic vibration to a fracture part in order to increase the efficiency of an ultrasonic medical treatment for a fracture. <P>SOLUTION: For this plate 10 for osteosynthesis, a large number of triangular holes 12 are provided on a thin sheet 11 shown in (a), and triangular protruding parts 13 are provided on the rear surface. The ultrasonic medical treatment for a fracture part 2 is performed under a state that the plate 10 for osteosynthesis is firmly wound around the fracture part 2 of a bone 1 as shown in (b). Under this state, the distal ends of the protruding parts 13 approximately keep point-contact with the surface of the bone 1 as shown in a figure. When the ultrasonic vibration is applied to the plate 10 for osteosynthesis under this state, the ultrasonic vibration is intensively transmitted to the fracture part 2 of the bone 1 through the point-contact parts by a large number of the protruding parts 13. Therefore, the formation of the bone is quickly performed, and the ultrasonic medical treatment can be performed in a short time. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、骨折の超音波治療に用いられる骨接合用板に関するものである。
【０００２】
【従来の技術】
図３に従来の骨接合用板を用いた骨折治療方法を示す。
まず、同図（ａ）に示すように、骨１の骨折部２に対して多数の穴３ａを有する１枚の骨接合用板３を用意する。尚、穴３ａに代えて骨接合用板３を網状としてもよい。
【０００３】
次に同図（ｂ）（ｃ）のように、骨折部２を突き合せた状態で骨１の骨折部２の周面に骨接合用板３を固く巻きつけることにより、骨折部２を固定する。この状態で一定期間が過ぎると、骨折部２に骨組織が生成されて骨折部２を接合固定することができる。
この骨組織の生成を促進するために、骨接合用板３に超音波振動を与える超音波治療方法が考えられる。
【０００４】
なお、この超音波振動を与える治療方法、器具に関する適当な先行特許文献はないので、記載することができない。
【０００５】
【発明が解決しようとする課題】
しかしながら、骨接合用板３に超音波振動を与えようとしても、振動を骨折部２に十分に伝えることができず、このため骨組織生成の促進効果を十分得ることができず、必要な骨組織が生成されるまで長時間を要するという問題があった。
【０００６】
本発明は上記の問題を解決するためのもので、骨折部に超音波振動を効率よく伝えることのできる骨接合用板を提供することを目的とするものである。
【０００７】
【課題を解決するための手段】
上記の目的を達成するために本発明による骨接合用板は、板材に複数の穴が設けられると共に、この板材の一の面に複数の凸部が設けられていることを特徴とするものである。
【０００８】
【作用】
従って、本発明によれば、超音波治療時には骨接合用板の上記凸部が骨の表面に接触するので、骨接合用板に加えられた超音波振動はこの接触部を介して集中的に骨及び骨折部に伝えられる。このため、従来に比べて骨組織生成の促進効果を高め、効率のよい超音波治療を行うことができる。また、上記穴を介して骨接合用板の外側の生体組織と骨及び骨折部とを接続させることができる。
【０００９】
【発明の実施の形態】
以下、本発明の実施の形態を図面と共に説明する。
図１は本発明の実施の形態による骨接合用板を示すものである。
本実施の形態による骨接合用板１０は、図１（ａ）のように薄い板材１１に多数の三角形の穴１２が設けられると共に、この穴１３を空けたことにより裏面に形成される三角形の突片からなる凸部１３が設けられてなるものである。このような骨接合用板１０は、板材１１をプレス加工することにより得ることができる。尚、穴１２及び凸部１３の形状は三角形に限らず他の形状であってもよい。
【００１０】
図１（ｂ）は、本実施の形態による骨接合用板１０を骨折部２の超音波治療に用いる場合を示す断面図で、骨接合用板１０を骨１の骨折部２の周囲に固く巻きつけた状態を示す。この状態では、図示のように凸部１３の先端が骨１の表面に略点接触している。
【００１１】
この状態で骨接合用板１０に外部の超音波発信装置から超音波信号を与え、骨接合用板１０を超音波振動させると、この超音波振動が多数の凸部１３による上記点接触部分を介して骨１及び骨折部２に伝えられる。即ち、図３の従来の凸部１３の無い骨接合用板４の場合は、超音波振動が一部拡散されて伝えられるが、本実施の形態による骨接合用板１０の場合は、超音波振動が上記点接触部分を介して集中的に骨１及び骨折部２に伝えられるので、効率のよい超音波治療を行うことができる。尚、穴１２は、骨接合用板１０の外側の生体組織と骨１及び骨折部２との間をこの穴１２を介して体液等が通過するために必要である。
【００１２】
図２は骨接合用板１０の他の実施の形態を示すもので、穴１２と凸部１３の他の形状の例を示す。
同図（ａ）は板材１１を波形に成形加工したもので、波の谷の部分を凸部１３となし、波の山の部分に穴１２を設けたものである。尚、穴１２を山の部分に設けることもできる。
同図（ｂ）は板材１１の表面に多数の凹みを形成することにより裏面側に凸部１３を形成し、他の部分に穴１２を設けたものである。
穴１２と凸部１３の形状はこのほか様々な変形が可能である。
【００１３】
【発明の効果】
以上説明したように、本発明による骨接合用板によれば、板材に複数の穴を設けると共に、この板材の一の面に複数の凸部を設けたことにより、この骨接合用板を骨折部の超音波治療に用いるために骨接合用板を骨の周囲に巻きつけると、上記凸部が骨の表面に接触するので、超音波振動をこの接触部を介して集中的に骨及び骨折部に効率的に伝えることができる。従って、骨組織生成の促進効果を従来より高めることができ、治療時間を短縮することができる。
【図面の簡単な説明】
【図１】本発明の実施の形態による骨接合用板を示す斜視図及び断面側面図である。
【図２】本発明の他の実施の形態による骨接合用板を示す斜視図及び断面側面図である
【図３】従来の骨接合用板を用いた骨折部の超音波治療方法を示す斜視図及び断面側面図である。
【符号の説明】
１ 骨
２ 骨折部
１０ 骨接合用板
１１ 板材
１２ 穴
１３ 凸部[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an osteosynthesis plate used for ultrasonic treatment of a fracture.
[0002]
[Prior art]
FIG. 3 shows a fracture treatment method using a conventional osteosynthesis plate.
First, as shown in FIG. 1A, one osteosynthesis plate 3 having a large number of holes 3a for a fractured portion 2 of a bone 1 is prepared. In addition, the plate 3 for osteosynthesis may be formed in a net shape instead of the hole 3a.
[0003]
Next, as shown in FIGS. 2B and 2C, the bone fracture plate 2 is fixed by winding the bone bonding plate 3 tightly around the fracture surface 2 of the bone 1 in a state where the fractures 2 are abutted. I do. After a certain period of time in this state, bone tissue is generated in the fracture 2 and the fracture 2 can be joined and fixed.
In order to promote the generation of the bone tissue, an ultrasonic treatment method in which ultrasonic vibration is applied to the osteosynthesis plate 3 is considered.
[0004]
It should be noted that there is no appropriate prior patent document relating to the treatment method and the instrument for applying the ultrasonic vibration, and thus cannot be described.
[0005]
[Problems to be solved by the invention]
However, even if an attempt is made to apply ultrasonic vibration to the osteosynthesis plate 3, the vibration cannot be sufficiently transmitted to the fractured part 2, and therefore, the effect of promoting the generation of bone tissue cannot be sufficiently obtained. There has been a problem that it takes a long time until a tissue is generated.
[0006]
An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide an osteosynthesis plate that can efficiently transmit ultrasonic vibrations to a fracture.
[0007]
[Means for Solving the Problems]
To achieve the above object, an osteosynthesis plate according to the present invention is characterized in that a plurality of holes are provided in a plate material and a plurality of projections are provided on one surface of the plate material. is there.
[0008]
[Action]
Therefore, according to the present invention, during the ultrasonic treatment, the convex portion of the osteosynthesis plate comes into contact with the surface of the bone, so that the ultrasonic vibration applied to the osteosynthesis plate is concentrated through this contact portion. It is transmitted to bones and fractures. For this reason, the effect of promoting the generation of bone tissue can be enhanced as compared with the related art, and efficient ultrasonic treatment can be performed. In addition, the living tissue outside the osteosynthesis plate can be connected to the bone and the fracture through the hole.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an osteosynthesis plate according to an embodiment of the present invention.
The osteosynthesis plate 10 according to the present embodiment has a thin plate material 11 provided with a large number of triangular holes 12 as shown in FIG. A projection 13 formed of a projection is provided. Such an osteosynthesis plate 10 can be obtained by pressing the plate material 11. The shapes of the holes 12 and the protrusions 13 are not limited to triangles, and may be other shapes.
[0010]
FIG. 1B is a cross-sectional view showing a case where the osteosynthesis plate 10 according to the present embodiment is used for ultrasonic treatment of the fracture portion 2, and the osteosynthesis plate 10 is hardened around the fracture portion 2 of the bone 1. Shows the state of being wound. In this state, the tip of the projection 13 is substantially in point contact with the surface of the bone 1 as shown in the figure.
[0011]
In this state, an ultrasonic signal is applied to the osteosynthesis plate 10 from an external ultrasonic transmission device and the osseotomy plate 10 is ultrasonically vibrated. Through the bone 1 and the fractured part 2. That is, in the case of the conventional osteosynthesis plate 4 having no projection 13 shown in FIG. 3, ultrasonic vibration is partially diffused and transmitted, but in the case of the osteosynthesis plate 10 according to the present embodiment, the ultrasonic vibration is Since the vibration is intensively transmitted to the bone 1 and the fractured part 2 via the point contact portion, efficient ultrasonic treatment can be performed. The hole 12 is necessary for body fluids and the like to pass between the living tissue outside the osteosynthesis plate 10 and the bone 1 and the fractured part 2 through the hole 12.
[0012]
FIG. 2 shows another embodiment of the osteosynthesis plate 10 and shows another example of the shape of the hole 12 and the projection 13.
FIG. 3A shows a plate material 11 formed into a corrugated shape, in which a valley portion of a wave is formed as a convex portion 13 and a hole 12 is provided in a ridge portion of the wave. In addition, the hole 12 can be provided in a mountain part.
FIG. 2B shows a configuration in which a large number of recesses are formed on the surface of a plate material 11 to form a convex portion 13 on the back surface side, and holes 12 are provided in other portions.
The shape of the hole 12 and the projection 13 can be variously modified.
[0013]
【The invention's effect】
As described above, according to the osteosynthesis plate of the present invention, a plurality of holes are provided in the plate, and a plurality of projections are provided on one surface of the plate, so that the osteosynthesis plate is fractured. When the osteosynthesis plate is wrapped around the bone to be used for the ultrasonic treatment of the bone, the projections come into contact with the surface of the bone. Can be efficiently communicated to the department. Therefore, the effect of promoting the generation of bone tissue can be increased as compared with the conventional art, and the treatment time can be shortened.
[Brief description of the drawings]
FIG. 1 is a perspective view and a sectional side view showing an osteosynthesis plate according to an embodiment of the present invention.
FIG. 2 is a perspective view and a sectional side view showing an osteosynthesis plate according to another embodiment of the present invention. FIG. 3 is a perspective view showing a conventional ultrasonic treatment method for a fracture using a osteosynthesis plate. It is a figure and a sectional side view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bone 2 Fracture part 10 Plate for osteosynthesis 11 Plate material 12 Hole 13 Convex part

Claims (3)

板材に複数の穴が設けられると共に、この板材の一の面に複数の凸部が設けられていることを特徴とする骨接合用板。An osteosynthesis plate, wherein a plurality of holes are provided in the plate, and a plurality of projections are provided on one surface of the plate. 前記凸部は、骨接合用板が骨折部を有する骨の周面に巻きつけられたとき、前記骨の表面に略点接触するような形状を有することを特徴とする請求項１記載の骨接合用板。The bone according to claim 1, wherein the projection has a shape such that when the osteosynthesis plate is wound around a bone having a fracture, the bone comes into substantially point contact with the surface of the bone. Joining plate. 前記板材を波形に形成することにより前記凸部を形成することを特徴とする請求項１記載の骨接合用板。The osteosynthesis plate according to claim 1, wherein the projection is formed by forming the plate material into a corrugation.
JP2002325426A 2002-11-08 2002-11-08 Osteosynthesis plate Expired - Lifetime JP4104959B2 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007023320A1 (en) * 2005-08-24 2007-03-01 Dimitrios Fotiadis Method and system for the enhancement and monitoring of the healing process of bones
EP2494934A1 (en) * 2011-03-04 2012-09-05 Stryker Trauma AG Pelvic and scapular bone plate and method for implantation
US8945139B2 (en) 2012-08-20 2015-02-03 Stryker Trauma Gmbh Bone screw and washer insertion tool
EP2858601A4 (en) * 2012-06-04 2016-03-02 Moximed Inc Low contact femoral and tibial bases
US9358053B2 (en) 2013-03-01 2016-06-07 Stryker European Holdings I, Llc Pelvic bone plate
JP2017119243A (en) * 2015-12-28 2017-07-06 株式会社コンソナルバイオテクノロジーズ Solution agitating device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007023320A1 (en) * 2005-08-24 2007-03-01 Dimitrios Fotiadis Method and system for the enhancement and monitoring of the healing process of bones
EP2494934A1 (en) * 2011-03-04 2012-09-05 Stryker Trauma AG Pelvic and scapular bone plate and method for implantation
US8603091B2 (en) 2011-03-04 2013-12-10 Stryker Trauma Ag Pelvic and scapular bone plate and method for implantation
EP2858601A4 (en) * 2012-06-04 2016-03-02 Moximed Inc Low contact femoral and tibial bases
US8945139B2 (en) 2012-08-20 2015-02-03 Stryker Trauma Gmbh Bone screw and washer insertion tool
US9358053B2 (en) 2013-03-01 2016-06-07 Stryker European Holdings I, Llc Pelvic bone plate
US9713485B2 (en) 2013-03-01 2017-07-25 Stryker GmbH Pelvic bone plate
JP2017119243A (en) * 2015-12-28 2017-07-06 株式会社コンソナルバイオテクノロジーズ Solution agitating device

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