JPH05220174A - Cranio-knochenschallapen fixing device - Google Patents

Cranio-knochenschallapen fixing device

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Publication number
JPH05220174A
JPH05220174A JP4056619A JP5661992A JPH05220174A JP H05220174 A JPH05220174 A JP H05220174A JP 4056619 A JP4056619 A JP 4056619A JP 5661992 A JP5661992 A JP 5661992A JP H05220174 A JPH05220174 A JP H05220174A
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JP
Japan
Prior art keywords
band
teeth
clamping plate
stopper
bone
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.)
Pending
Application number
JP4056619A
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Japanese (ja)
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JPH0613038B2 (en
Inventor
Toshio Shima
利夫 島
Original Assignee
Shima Yumiko
島 由美子
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 Shima Yumiko, 島 由美子 filed Critical Shima Yumiko
Priority to JP4056619A priority Critical patent/JPH0613038B2/en
Publication of JPH05220174A publication Critical patent/JPH05220174A/en
Publication of JPH0613038B2 publication Critical patent/JPH0613038B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/688Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for reattaching pieces of the skull

Abstract

PURPOSE: To enable stable and rapid fixing of the knochenschallapen without drilling a hole in the bone or without using a steel wire and silk yarn.
CONSTITUTION: A band 13 is extended integrally to the central part atop a 1st clamping plate 11 having flexibility and saw tooth-shaped teeth 14 are formed on one surface thereof. A square cylindrical projecting part 15 having a band insertion hole 16 to be inserted with a band 13 is integrally projectingly provided at the center of the rear surface of a 2nd clamping plate 12 having flexibility. A stopper 17 having teeth 19 meshed with the teeth 14 is integrally provided within this projecting part 15. The front and rear surfaces the peripheral edges of the knochenschallapen 1 and the osteowindow 3 are clamped by the 1st clamping plate 11 and the 2nd clamping plate 12. The teeth 19 of the stopper 17 are meshed with the teeth 14 of the band 13 to prohibit the movement in the counter-clamping direction of the 2nd clamping plate 12. The front end of the band 13 projecting upward of the band insertion hole 16 is cut off after the knochenschallapen is fixed.
COPYRIGHT: (C)1993,JPO&Japio

Description

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

【0001】 [0001]

【産業上の利用分野】本発明は頭蓋骨骨弁整復の際に用いられる頭蓋骨骨弁固定装置に関するものである。 The present invention relates to relates to a skull bone valve fixing device for use in the skull bone valve reduction.

【0002】 [0002]

【従来の技術】通常、手術後の頭蓋骨骨弁整復に際しては、図5に示すように骨弁1と、頭蓋骨2に開設された骨窓3の周縁部に小さな穴を骨用ドリルによって穿設した後、その穴に細い鋼線(または絹糸)4を通して結紮し、骨弁1を骨窓3の周縁に固定していた。 BACKGROUND ART Usually, when the skull bone valve reduction after surgery, drilled and bone flap 1 as shown in FIG. 5, the bone drill a small hole in the periphery of Honemado 3 which is opened in the skull 2 after, ligated through a fine steel wire (or silk) 4 into the hole and was fixed to the bone flap 1 on the periphery of Honemado 3.

【0003】 [0003]

【発明が解決しようとする課題】しかしながら、上記した従来の骨弁固定方法においては、骨用ドリルによって小さな穴を明けたり、この穴に鋼線4を通して結紮したりしなければならないため、骨弁整復に長時間を要し、 However [0005] In the conventional bone flap fixing method described above, for or a small hole by bone drill must or ligature through the steel wire 4 in the hole, the bone flap it takes a long time to reduction,
またドリルによる穴明けは硬膜および脳皮質損傷の危険性を一層増大させるという問題があった。 The drilling by the drill has a problem that to further increase the risk of dura and brain cortex injury.

【0004】したがって、本発明は上記したような従来の問題点に鑑みてなされたもので、その目的とするところは、ドリルによって穴を明けたり、鋼線や絹糸を用いることなく骨弁を迅速にしかも安定且つ確実に固定し得るようにした頭蓋骨骨弁固定装置を提供することにある。 [0004] Accordingly, the present invention has been made in view of the conventional problems as described above, it is an object or a hole by a drill, a bone flap without using steel wire and silk thread fast However also to provide a skull bone valve fixing apparatus that can stably and reliably fixed to.

【0005】 [0005]

【課題を解決するための手段】本発明は上記目的を達成するため、骨弁周縁部の上下面と骨窓周縁部上下面を挟持し骨弁を骨窓縁に固定する第1、第2の挾持板とを備え、第1の挾持板は、上面中央部に延設され少なくとも一方の面に噛が形成されたバンドを有し、第2の挾持板は、前記バンドが挿通されるバンド挿通孔と、前記歯と噛合い第2の挾持板がバンドから抜ける方向の移動を阻止するストッパを有するものである。 Since SUMMARY OF THE INVENTION The present invention to achieve the above object, a first fixing the clamp the upper and lower surfaces and Honemado periphery upper and lower surfaces of the bone flap periphery bone flap to Honemado edge, a second and a clamping plate, the first clamping plate has a band which is formed engage on at least one surface extending on the upper surface central portion, the second pinching plate, the band where the band is inserted an insertion hole, and the teeth meshing the second pinching plate and has a stopper for preventing the moving direction of the exit from the band.

【0006】 [0006]

【作用】本発明において、第1の挾持板は骨弁周縁部の下面と骨窓周縁部下面に密接される。 [Action] In the present invention, the first clamping plate is in close contact with the lower surface Honemado lower surface of the peripheral edge portion of bone flap periphery. バンドは骨弁と骨窓との間に設けられた隙間から外部に突出され、第2の挾持板のバンド挿通孔に挿通される。 Band protrudes to the outside from the gap provided between the bone flap and Honemado, it is inserted into the band insertion hole of the second clamping plate. 第2の挾持板は骨弁周縁部の上面と骨窓周縁部上面に密接されることで、 The second pinching plate by being closely on the top and Honemado peripheral portion of the upper surface of the bone flap periphery,
第1の挾持板と共に骨弁周縁部の上下面と骨窓周縁部上下面を挟持し、骨弁を骨窓縁に固定する。 The upper and lower surfaces and Honemado periphery upper and lower surfaces of the bone flap periphery sandwiched together with the first pinching plate to secure the bone flap to Honemado edge. バンドの歯と第2の挾持板のストッパは、互いに歯合することで、第2の挾持板をバンドに骨弁挾持方向にのみ移動可能に固定し、第2の挾持板の緩みを阻止する。 Stopper teeth and the second pinching plate of band, by meshing with each other, the second pinching plate only movably secured to the bone flap clamping direction to the band, to prevent loosening of the second pinching plate .

【0007】 [0007]

【実施例】以下、本発明を図面に示す実施例に基づいて詳細に説明する。 EXAMPLES Hereinafter, will be described in detail with reference to examples illustrating the present invention with reference to the drawings. 図1は本発明に係る頭蓋骨骨弁固定装置の一実施例を示す斜視図、図2は同装置の骨弁を固定した状態における断面図である。 Figure 1 is a perspective view showing an embodiment of a cranial bone valve fixing device according to the present invention, FIG. 2 is a sectional view of a state of fixing the bone flap of the same device. これらの図おいて、全体を符号10で示す頭蓋骨骨弁固定装置は、骨弁1の周縁部の上下面と、骨窓3の周縁部上下面を挟持し骨弁1 Keep these figures, the skull bone valve fixing device, generally indicated at 10, sandwiched with the upper and lower surfaces of the peripheral portion of the bone flap 1, the peripheral portion upper and lower surfaces of the Honemado 3 bone flap 1
を骨窓3の周縁に固定する第1、第2の挾持板11、1 The first is fixed to the periphery of Honemado 3, the second pinching plate 11,1
2を備えている。 It is equipped with a 2.

【0008】第1の挾持板11は、物理的、化学的に安定で、特に生体反応を起こさない材料、例えば塩化ビニル樹脂によって矩形に形成され、適宜な板厚と、可撓性を有し、好ましくは上面側が凸となるよう頭蓋骨2の曲率と略同一の曲率で湾曲されている。 [0008] The first clamping plate 11 is physically, chemically stable, is formed in particular materials that do not cause biological reaction, in a rectangular, for example, by vinyl chloride resin has a suitable thickness, flexibility , which is preferably curved with a curvature substantially the same curvature of the skull 2 ​​so that the upper surface becomes convex. また、第1の挾持板11の上面中央にはバンド13が上方に向かって一体に延設されている。 Further, the center of the upper surface of the first clamping plate 11 band 13 is integrally extended upward. バンド13は第1の挾持板11の長手方向と直交して設けられ、一方の面には多数の歯14 Band 13 is provided perpendicular to the longitudinal direction of the first clamping plate 11, one to the surface a number of teeth 14
が略全長に亙って並設されている。 There are arranged side by side over substantially the entire length. 歯14は、側面視直角三角形の鋸歯状に形成されることにより、図2右下がりに適宜角度で傾斜した斜面14aと、水平な底面14 Tooth 14, by being formed in a sawtooth-shaped side view right triangle, the slope 14a which is inclined at an appropriate angle in Fig 2 the right edge, the horizontal bottom surface 14
bと、左右両側面14cとを有している。 And b, and a right and left side surfaces 14c.

【0009】第2の挾持板12は、第1の挾持板11と同様、塩化ビニル樹脂等によって略同じ大きさの矩形に形成されて、適宜な板厚と、可撓性を有し、好ましくは上面側が凸となるよう頭蓋骨2の曲率と略同一の曲率で湾曲されている。 [0009] The second pinching plate 12, similarly to the first clamping plate 11, is formed substantially in a rectangular of the same size as the vinyl chloride resin has a suitable thickness, flexibility, preferably It is curved with a curvature substantially the same curvature of the skull 2 ​​so that the upper surface becomes convex. また、第2の挾持板12の下面中央部には前記バンド13が挿通されるバンド挿通孔16を有する角筒状の凸部15が一体に突設されている。 Further, rectangular tube-shaped convex portion 15 on the lower surface central portion having a band insertion hole 16 in which the band 13 is inserted in the second pinching plate 12 is integrally projected. 凸部1 Convex portion 1
5は、骨弁1の板厚Tと略等しいかこれより若干小さな高さHと、骨弁1および骨窓3間の隙間Gの幅dと略等しいかこれより若干小さい幅wを有し、内部には前記バンド13の歯14と歯合し、第2の挾持板12が反挾持方向、すなわち第1の挾持板11から離間する方向に移動するのを阻止するストッパ17が一体に設けられている。 5 has somewhat a smaller height H than or substantially equal to the thickness T of the bone flap 1, substantially equal to or slightly more smaller width w to the width d of the gap G between the bone flap 1 and Honemado 3 , the internal engagement teeth 14 of the band 13, provided the second pinching plate 12 counter-clamping direction, i.e. the stopper 17 to prevent the movement in the direction away from the first clamping plate 11 is integrally It is. ストッパ17は、図2に示すように右下がりに傾斜して設けられ、下端が薄肉形成されたヒンジ部18によって凸部15の下端側開口縁に弾性変形自在(回動自在)に連設され、開方向、すなわちバンド13の歯14 Stopper 17 is provided obliquely downward sloping as shown in FIG. 2, the lower end is provided continuously to the elastically deformable (rotatable) to the lower side opening edge of the convex portion 15 by a hinge section 18 which is thin formed , opening direction, i.e., the teeth of the band 13 14
と噛合するする方向の復帰習性を付与されている。 It granted the mesh would like the direction of the return tendency the. また、ストッパ17のバンド13と対向する外側面には前記歯14に歯合する適宜個数、例えば3つの歯19が一体に形成されている。 Further, the outer surface facing the bands 13 of the stopper 17 as appropriate number of meshing with the teeth 14, for example, three teeth 19 are integrally formed. この歯19は、前記歯14とは反対に側面視逆直角三角形の鋸歯状に形成され、水平な上面19aが歯14の底面14bに下方から歯合することで、第2の挾持板12の上方への移動を阻止する。 The teeth 19, the said teeth 14 are formed on the serrated side Migyaku right triangle opposite, by horizontal upper surface 19a is meshed from below to the bottom surface 14b of the teeth 14, the second pinching plate 12 It prevents upward movement.

【0010】このような構成からなる頭蓋骨骨弁固定装置10において、骨弁1を骨窓3に固定する際には、先ず第2の挾持板12をバンド13の上端部に装着しておき、第1の挾持板11を骨窓3から頭蓋骨2内に入れて長手方向一端部を骨窓3の周縁部下面に密接し、バンド13を骨窓3の壁面に沿って頭蓋骨2の上方に突出させる。 [0010] In the skull bone valve fixing device 10 having such a configuration, when fixing the bone flap 1 to Honemado 3 first advance the second pinching plate 12 is attached to the upper end of the band 13, the one longitudinal end portion close to the lower surface of the peripheral edge portion of Honemado 3 a first pinching plate 11 from Honemado 3 placed in the skull 2, projects along a band 13 on the wall surface of Honemado 3 above the skull 2 make. 次に、骨弁1を骨窓3にはめて骨弁1の周縁部下面を第1の挾持板11の長手方向他端部上面に密接させる。 Then, to close the lower surface of the peripheral edge portion of bone flap 1 by fitting the bone flap 1 to Honemado 3 other longitudinal end portion upper face of the first clamping plate 11. しかる後、第2の挾持板12をバンド13に沿って下方に移動させ、凸部15を骨弁1および骨窓3間の隙間Gに挿入して第2の挾持板12の長手方向両端部下面を骨弁1と骨窓3の周縁部上面に密接させる。 Thereafter, the second pinching plate 12 along the band 13 is moved downward, both longitudinal ends of the second pinching plate 12 by inserting the projection 15 into the gap G between the bone flap 1 and Honemado 3 It is closely lower surface peripheral portion of the upper surface of the bone flap 1 and Honemado 3. 第2の挾持板12の下方、すなわち挾持方向への移動に際しては、ストッパ17がヒンジ部18を中心として図2時計方向に弾性変形して歯14と19の噛合を解除するため、第2の挾持板12を容易に移動させることができる。 Below the second pinching plate 12, i.e. when moving in the clamping direction, the stopper 17 is disengaged in Figure 2 clockwise elastically deformed with the teeth 14 19 around the hinge portion 18, the second the clamping plate 12 can be easily moved. 第2の挾持板12を所定位置まで下げて骨弁1と骨窓3の周縁部上面に密接させると、骨弁1は第1、第2 When the in close contact with the peripheral portion of the upper surface of the bone flap 1 and Honemado 3 by lowering the second pinching plate 12 to a predetermined position, the bone flap 1 first, second
の挾持板11、12によって挾持され、骨窓3に固定される。 It is clamped by the clamping plates 11 and 12 are fixed to Honemado 3. そして、バンド13のバンド挿通孔16から突出している上端部をハサミ等によって切断することで、骨弁1の整復作業を終了する。 Then, by cutting the upper end portion protruding from the band insertion hole 16 of the band 13 by scissors or the like to end the reduction work of bone flap 1. この場合、頭蓋骨骨弁固定装置10は複数個、望ましくは3つもしくはそれ以上用いられ、骨弁1を固定する。 In this case, the skull bone valve fixing device 10 is a plurality, preferably used three or more, to secure the bone flap 1.

【0011】かくしてこのような構成からなる頭蓋骨骨弁固定装置10にあっては、第1、第2の挾持板11、 [0011] Thus In the skull bone valve fixing device 10 having such a configuration, first, second pinching plate 11,
12によって骨弁1と骨窓3の周縁部上下面を挾持するだけでよいため、骨用ドリルで小さな穴を明けたり、鋼線を通したりする必要がなく、骨弁1の整復作業を迅速に行うことができ、ドリルによる硬膜、脳皮質の損傷等の危険から患者を解放することができる。 12 because it is only necessary to clamping the peripheral portion upper and lower surfaces of the bone flap 1 and Honemado 3 by, or a small hole in the bone drill, there is no need to through a steel wire, rapid repositioning work bone flap 1 can be carried out, hardening by the drill, it is possible to release the patients from risks of damage to the brain cortex. また、第2の挾持板12は歯14と19との噛合によって反挾持方向の移動を完全に阻止されているので緩むことがなく、しかも凸部15は、骨弁1、骨窓3間の隙間Gに挿入され骨弁1の移動を阻止するため、骨弁1を所定の位置に安定且つ確実に固定することができる。 The second pinching plate 12 without loosening and is completely prevented from moving counter-clamping direction by meshing of the teeth 14 and 19, moreover protrusion 15, the bone flap 1, between Honemado 3 to prevent movement of the inserted bone flap 1 in the gap G, it can be stably and reliably fixed to the bone flap 1 place. なお、第2の挾持板12を上方に移動させたりバンド13から外す場合には、適宜な工具を上方から歯14と19の間に差し込んでストッパ17をバンド13から離間させ、歯14、1 Note that when removing the band 13 or to move the second clamping plate 12 upward, to separate the stopper 17 from the band 13 by inserting the appropriate tool from above between the teeth 14 19, teeth 14, 1
9の噛合状態を解除し、この状態を保持しつつ第2の挾持板12を上方に移動させればよい。 And disengaged states of 9, the second pinching plate 12 may be moved upward while maintaining this state.

【0012】図3は本発明の他の実施例を示す要部断面図である。 [0012] FIG. 3 is a fragmentary cross-sectional view showing another embodiment of the present invention. この実施例はバンド13の両面に鋸歯状の歯14A、14Bをそれぞれ設け、第2の挾持板12の凸部15の内部に前記各歯14A、14Bに歯合する歯1 This embodiment is provided on both sides of band 13 serrated teeth 14A, 14B, respectively, each tooth 14A inside the projecting portion 15 of the second pinching plate 12, the teeth 1 meshing with 14B
9A、19Bをそれぞれ有する弾性変形自在で噛合方向の復帰習性を付与された2つのストッパ17A、17B 9A, 19B two granted the restoring tendency of resiliently deformable in engagement direction with each stopper 17A, 17B
を一体に設けたものである。 The one in which provided integrally. このような構成においては、第12の挾持板12の反挾持方向の移動をより一層確実に阻止することができる利点を有している。 In such arrangement has the advantage of being able to block the movement of the anti-pinching direction of the 12 clamping plate 12 more reliably. また、 Also,
各ストッパ17A、17Bの上面外側端部に突起22をそれぞれ突設しておき、この突起22を適宜な手術用器具、指等で外側に押圧してストッパ17A、17Bを外側に弾性変形させてバンド13から離間させると、歯1 Each stopper 17A, leave each projecting projections 22 on the upper surface outer ends of 17B, and the appropriate surgical instrument projection 22, the stopper 17A is pressed outward by a finger or the like, 17B outside is elastically deformed When moved away from the band 13, the teeth 1
4A、14Bと19A、19Bの噛合状態を簡単に解除することができ、第2の挾持板12をバンド13から取り外す作業が容易である。 4A, 14B and 19A, can be easily disengaged state of 19B, operation of removing the second pinching plate 12 from the band 13 is easy.

【0013】図4(a)、(b)、(c)は更に本発明の他の実施例を示す平面図、斜視図および断面図である。 [0013] FIG. 4 (a), (b), a plan view showing another embodiment of (c) is further present invention, a perspective view and a cross-sectional view. この実施例は頭蓋骨が薄い場合に適用されるもので、第2の挾持板12を断面三日月型として図1および図3に示した筒状体からなる凸部15を備えず、中央に設けたバンド挿通孔16の長手方向一側壁に舌片状のストッパ17を一体に延設してその先端面に1つの歯19 This embodiment is intended to be applied when the skull is thin, not provided with the protrusion 15 made of a tubular body shown in FIGS. 1 and 3 the second pinching plate 12 as sectional crescent shaped, provided at the center on its front end surface and extends in one longitudinal side wall of the band insertion hole 16 of tongue-like stopper 17 integrally one tooth 19
を設け、バンド13の歯14に噛合させるように構成したものである。 The provided, which is constituted so as to mesh with the teeth 14 of the band 13. ストッパ17は先端側の幅が基部側より大となる平面視台形型で、第2の挾持板12の上面にストッパ17の両側端部を収納支持しストッパ17が裏面側に変形するのを防止する三角形の凹部23がそれぞれ凹設されている。 Stopper 17 in a plan view trapezoidal width of the front end side is larger than the base side, prevent the stopper 17 both side edge portions accommodating the support of the stopper 17 on the upper surface of the second pinching plate 12 is deformed on the back side recess 23 of the triangle are concavely respectively. なお、24は歯14と19の噛合状態を解除するための器具である。 Incidentally, 24 is a device for releasing the engagement state of the teeth 14 and 19. このような構成においても上記実施例と同様な効果が得られるものである。 Also those same effects as described above can be obtained in such a configuration.

【0014】なお、本発明は上記した実施例に特定されるものではなく種々の変形、変更が可能であり、例えば歯14、19の形状を変えたり、またストッパ17は第2の挾持板2とは別個独立に形成されてバンド挿通孔1 [0014] The present invention is variously modified not to be specified to the embodiments described above, but may be modified, for example, changing the shape of the teeth 14 and 19, also the stopper 17 second pinching plate 2 It is formed independently and separately band insertion holes 1
6内に可動可能に組み込まれるものであってもよい。 Or it may be incorporated movably in the 6.

【0015】 [0015]

【発明の効果】以上説明したように本発明に係る頭蓋骨骨弁固定装置によれば、2つの挾持板によって骨弁と骨窓の周縁部上下面を挾持するように構成したので、骨用ドリルで小さな穴を明けたり、鋼線を通したりする必要がなく、そのため硬膜および脳皮質損傷の危険性が少なく骨弁の整復作業を迅速に行うことができ、また手術に携わる医者、看護婦の肉体的、精神的負担を大幅に軽減することができる。 According to the skull bone valve fixing device according to the present invention as described in the foregoing, and then, is pinched the peripheral portion upper and lower surfaces of the bone flap and Honemado by two clamping plates, drilling bone in or drilling a small hole, there is no need to through a steel wire, therefore it is possible to quickly perform the reduction work hardening and risks less bone flap brain cortex injury, also physician involved in surgery, nurse physical, the mental burden can be greatly reduced. さらにまた、第2の挾持板はバンドの歯とストッパの噛合によって反挾持方向の移動を完全に阻止されるので緩むことがなく、骨弁を安定且つ確実に固定することができ、その効果は非常に大である。 Furthermore, the second pinching plate without loosening by being completely prevented from moving counter-clamping direction by engagement of the band teeth and stopper, it is possible to fix the bone flap stably and reliably, the effect is it is very large.

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

【図1】本発明に係る頭蓋骨骨弁固定装置の一実施例を示す斜視図である。 Is a perspective view showing an embodiment of a cranial bone valve fixing device according to the invention; FIG.

【図2】同装置の骨弁を固定した状態を示す断面図である。 2 is a sectional view showing a state of fixing the bone flap of the same device.

【図3】本発明の他の実施例を示す要部断面図である。 Figure 3 is a fragmentary cross-sectional view showing another embodiment of the present invention.

【図4】(a)、(b)、(c)は本発明の更に他の実施例を示す平面図、斜視図および断面図である。 [4] (a), a plan view, perspective view and a cross-sectional view showing still another embodiment of (b), (c) the present invention.

【図5】従来の骨弁固定方法を示す図である。 5 is a diagram illustrating a conventional bone flap fixing method.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 骨弁 2 頭蓋骨 3 骨窓 4 鋼線 10 頭蓋骨骨弁固定装置 11 第1の挾持板 12 第2の挾持板 13 バンド 14 歯 15 凸部 16 バンド挿通孔 17 ストッパ 18 ヒンジ部 19 歯 1 bone flap 2 Skull 3 Honemado 4 steel wire 10 skull bone valve fixing device 11 first pinching plate 12 a second pinching plate 13 band 14 teeth 15 protruding part 16 band insertion hole 17 stopper 18 a hinge portion 19 teeth

【手続補正書】 [Procedure amendment]

【提出日】平成4年4月10日 [Filing date] 1992 April 10

【手続補正1】 [Amendment 1]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0008 [Correction target item name] 0008

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0008】第1の挾持板11は、物理的、化学的に安定で、特に生体反応を起こさない材料、例えばシリコー [0008] The first clamping plate 11 is physically and chemically stable, does not particularly cause a biological reaction material, for example silicone
によって矩形に形成され、適宜な板厚と、可撓性を有し、好ましくは上面側が凸となるよう頭蓋骨2の曲率と略同一の曲率で湾曲されている。 Formed by in to rectangular, and appropriate thickness has flexibility, which is preferably curved with a curvature substantially the same curvature as the skull 2 the upper surface side is convex. また、第1の挾持板1 In addition, the first pinching plate 1
1の上面中央にはバンド13が上方に向かって一体に延設されている。 Band 13 is integrally extended upwardly in one upper center. バンド13は第1の挾持板11の長手方向と直交して設けられ、一方の面には多数の歯14が略全長に亙って並設されている。 Band 13 is provided perpendicular to the longitudinal direction, on one surface a number of teeth 14 over substantially the entire length parallel to the first clamping plate 11. 歯14は、側面視直角三角形の鋸歯状に形成されることにより、図2右下がりに適宜角度で傾斜した斜面14aと、水平な底面14b Tooth 14, by being formed in a sawtooth-shaped side view right triangle, the slope 14a which is inclined at an appropriate angle in Fig 2 the right edge, the horizontal bottom surface 14b
と、左右両側面14eとを有している。 When, and a right and left side surfaces 14e.

【手続補正2】 [Amendment 2]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0009 [Correction target item name] 0009

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0009】第2の挾持板12は、第1の挾持板11と同様、 シリコーン等によって略同じ大きさの矩形に形成されて、適宜な板厚と、可撓性を有し、好ましくは上面側が凸となるよう頭蓋骨2の曲率と略同一の曲率で湾曲されている。 [0009] The second pinching plate 12, similarly to the first clamping plate 11, is formed substantially in a rectangular of the same size as the silicones having a suitable thickness, flexibility, preferably the upper surface side is bent with a curvature substantially the same curvature of the skull 2 ​​so as to be convex. また、第2の挾持板12の下面中央部には前記バンド13が挿通されるバンド挿通孔16を有する角筒状の凸部15が一体に突設されている。 Further, rectangular tube-shaped convex portion 15 on the lower surface central portion having a band insertion hole 16 in which the band 13 is inserted in the second pinching plate 12 is integrally projected. 凸部15 The convex portion 15
は、骨弁1の板厚Tと略等しいかこれより若干小さな高さHと、骨弁1および骨窓3間の隙間Gの幅dと略等しいかこれより若干小さい輻wを有し、内部には前記バンド13の歯14と歯合し、第2の挾持板12が反挟持方向、すなわち第1の挾持板11から離間する方向に移動するのを阻止するストッパ17が一体に設けられている。 Has slightly a small height H than or substantially equal to the thickness T of the bone flap 1, the slightly smaller spokes w than or substantially equal to the width d of the gap G between the bone flap 1 and Honemado 3, inside meshes with the teeth 14 of the band 13, a stopper 17 for preventing the movement toward the second pinching plate 12 is spaced apart counter clamping direction, i.e. from the first pinching plate 11 is provided integrally ing. ストッパ17は、図2に示すように右下がりに傾斜して設けられ、下端が薄肉形成されたヒンジ部18によって凸部15の下端側開口縁に弾性変形自在(回動自在)に連設され、開方向、すなわちバンド13の歯14 Stopper 17 is provided obliquely downward sloping as shown in FIG. 2, the lower end is provided continuously to the elastically deformable (rotatable) to the lower side opening edge of the convex portion 15 by a hinge section 18 which is thin formed , opening direction, i.e., the teeth of the band 13 14
と噛合するする方向の復帰習性を付与されている。 It granted the mesh would like the direction of the return tendency the. また、ストッパ17のバンド13と対向する外側面には前記歯14に歯合する適宜個数、例えば3つの歯19が一体に形成されている。 Further, the outer surface facing the bands 13 of the stopper 17 as appropriate number of meshing with the teeth 14, for example, three teeth 19 are integrally formed. この歯19は、前記歯14とは反対に側面視逆直角三角形の鋸歯状に形成され、水平な上面19aが歯14の底面14bに下方から歯合することで、第2の挾持板12の上方への移動を阻止する。 The teeth 19, the said teeth 14 are formed on the serrated side Migyaku right triangle opposite, by horizontal upper surface 19a is meshed from below to the bottom surface 14b of the teeth 14, the second pinching plate 12 It prevents upward movement.

【手続補正3】 [Amendment 3]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0012 [Correction target item name] 0012

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0012】図3は本発明の他の実施例を示す要部断面図である。 [0012] FIG. 3 is a fragmentary cross-sectional view showing another embodiment of the present invention. この実施例はバンド13の両面に鋸歯状の歯14A、14Bをそれぞれ設け、第2の挾持板12の凸部15の内部に前記各歯14A、14Bに歯合する歯1 This embodiment is provided on both sides of band 13 serrated teeth 14A, 14B, respectively, each tooth 14A inside the projecting portion 15 of the second pinching plate 12, the teeth 1 meshing with 14B
9A、19Bをそれぞれ有する弾性変形自在で噛合方向の復帰習性を付与された2つのストッパ17A、17B 9A, 19B two granted the restoring tendency of resiliently deformable in engagement direction with each stopper 17A, 17B
を一体に設けたものである。 The one in which provided integrally. このような構成においては、第12の挾持板12の反挾持方向の移動をより一層確実に阻止することができる利点を有している。 In such a structure, which possess the advantage of being able to block the movement of the anti-pinching direction of the 12 clamping plate 12 more reliably.

【手続補正4】 [Amendment 4]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0013 [Correction target item name] 0013

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0013】図4(a)、(b)、(c)は更に本発明の他の実施例を示す平面図、斜視図および断面図である。 [0013] FIG. 4 (a), (b), a plan view showing another embodiment of (c) is further present invention, a perspective view and a cross-sectional view. この実施例は頭蓋骨が薄い場合に適用されるもので、第2の挾持板12を断面三日月型として図1および図3に示した筒状体からなる凸部15を備えず、中央に設けたバンド挿通孔16の長手方向一側壁に舌片状のストッパ17を一体に延設してその先端部上面に切欠部1 This embodiment is intended to be applied when the skull is thin, not provided with the protrusion 15 made of a tubular body shown in FIGS. 1 and 3 the second pinching plate 12 as sectional crescent shaped, provided at the center the one longitudinal side wall and extends the tongue-like stopper 17 integrally its distal end upper surface in the notch of the band insertion holes 16 1
7aを形成し、先端面に複数個の歯19を設け、この歯 7a is formed, a plurality of teeth 19 provided on the distal end face, the teeth
19をバンド13の歯14に噛合させるように構成したものである。 19 the teeth 14 of the band 13 is obtained by adapted to mesh. ストッパ17は先端側の幅が基部側より大となる平面視台形型で、第2の挾持板12の上面にストッパ17の両側端部を収納支持しストッパ17が裏面側に変形するのを防止する三角形の凹部23がそれぞれ凹設されている。 Stopper 17 in a plan view trapezoidal width of the front end side is larger than the base side, prevent the stopper 17 both side edge portions accommodating the support of the stopper 17 on the upper surface of the second pinching plate 12 is deformed on the back side recess 23 of the triangle are concavely respectively. なお、24は歯14と19の噛合状態を解除するための器具である。 Incidentally, 24 is a device for releasing the engagement state of the teeth 14 and 19. このような構成においても上記実施例と同様な効果が得られるものである。 Also those same effects as described above can be obtained in such a configuration.

【手続補正5】 [Amendment 5]

【補正対象書類名】図面 [Correction target document name] drawings

【補正対象項目名】図3 [Correction target item name] FIG. 3

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【図3】 [Figure 3]

【手続補正6】 [Amendment 6]

【補正対象書類名】図面 [Correction target document name] drawings

【補正対象項目名】図4 [Correction target item name] FIG. 4

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【図4】 [Figure 4]

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 骨弁周縁部の上下面と骨窓周縁部上下面を挟持し骨弁を骨窓縁に固定する第1、第2の挾持板とを備え、第1の挾持板は、上面中央部に延設され少なくとも一方の面に噛が形成されたバンドを一体に有し、第2の挾持板は、前記バンドが挿通されるバンド挿通孔と、前記歯と噛合い第2の挾持板がバンドから抜ける方向の移動を阻止するストッパを有することを特徴とする頭蓋骨骨弁固定装置。 1. A bone flap first fixes the upper and lower surfaces and Honemado periphery sandwiching the upper and lower surfaces bone flap in the periphery to Honemado edge, and a second clamping plate, the first clamping plate, has a top surface engage on at least one surface extending in the central portion is formed a band together, the second pinching plate has a band insertion hole into which the band is inserted, said teeth meshing second skull bone valve fixation device clamped plates and having a stopper for preventing the moving direction of the exit from the band.
JP4056619A 1992-02-10 1992-02-10 Skull bone valve locking device Expired - Lifetime JPH0613038B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4056619A JPH0613038B2 (en) 1992-02-10 1992-02-10 Skull bone valve locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4056619A JPH0613038B2 (en) 1992-02-10 1992-02-10 Skull bone valve locking device

Publications (2)

Publication Number Publication Date
JPH05220174A true JPH05220174A (en) 1993-08-31
JPH0613038B2 JPH0613038B2 (en) 1994-02-23

Family

ID=13032295

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH0613038B2 (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786687A1 (en) * 1998-12-04 2000-06-09 Somepic Technologie Closure implant for craniotomy has implant with inner plate and external flange engaging surfaces of cranium
WO2000049949A1 (en) * 1999-02-23 2000-08-31 Bremer Paul W Skull closure device and procedure
WO2001032089A1 (en) * 1999-10-30 2001-05-10 Aesculap Ag & Co. Kg Surgical connecting element for fixing adjacent bone plates
US6270500B1 (en) 1996-02-03 2001-08-07 Karl-Dieter Lerch Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
EP1192909A1 (en) * 2000-09-27 2002-04-03 Chung-Chun Yeh Post-surgical fixation device for skull
WO2003057054A3 (en) * 2001-12-27 2003-10-30 Osteotech Inc Bone fasteners and method for stabilizing vertebral bone facets using the bone fasteners
US7048738B1 (en) 2002-07-23 2006-05-23 Bioplate, Inc. Cranial bone flap fixation
US7048737B2 (en) 2002-06-11 2006-05-23 Bioplate, Inc. Cranial bone flap fixation system and method
DE202008013320U1 (en) 2008-09-30 2008-12-18 Aesculap Ag Implant for fixing adjacent bone plates
WO2009076978A1 (en) * 2007-12-14 2009-06-25 Stryker Leibinger Gmbh & Co. Kg Implant for use for adjacently arranged bone plates
DE102008050870A1 (en) 2008-09-30 2010-04-01 Aesculap Ag Implant for fixing adjacent bone plates, has two bearing elements and coupling stud which is fixed at former bearing element, where former bearing element rests against side of bone plates during fixation of bone plates
US8221421B2 (en) 2001-02-23 2012-07-17 Synthes Usa, Llc Sternum fixation device
US8403929B2 (en) 2004-08-04 2013-03-26 Aesculap Ag Implant for securing neighboring bone plates
WO2014078265A1 (en) * 2012-11-15 2014-05-22 DePuy Synthes Products, LLC Locking member for a bone fixation device
CN105055011A (en) * 2015-07-29 2015-11-18 胡晓予 Skull flap restoration fixing clamp
US20160100947A1 (en) * 2013-04-24 2016-04-14 Ntplast S.R.L. Device for fixing a cranial limb to the cranial crown to be placed in the craniotomial hole or cutting
CN105534581A (en) * 2016-02-18 2016-05-04 浙江申达斯奥医疗器械有限公司 Special instrument set for skull repair fixation operations

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726688B2 (en) 1996-02-03 2004-04-27 Karl-Dieter Lerch Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
US6962591B2 (en) 1996-02-03 2005-11-08 Karl-Dieter Lerch Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
US6270500B1 (en) 1996-02-03 2001-08-07 Karl-Dieter Lerch Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
US6328743B2 (en) 1996-02-03 2001-12-11 Karl-Dieter Lerch Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
FR2786687A1 (en) * 1998-12-04 2000-06-09 Somepic Technologie Closure implant for craniotomy has implant with inner plate and external flange engaging surfaces of cranium
WO2000049949A1 (en) * 1999-02-23 2000-08-31 Bremer Paul W Skull closure device and procedure
EP1604616A3 (en) * 1999-10-30 2006-09-27 Aesculap AG & Co. KG Surgical instrument for fixation of adjacent bone plates
WO2001032089A1 (en) * 1999-10-30 2001-05-10 Aesculap Ag & Co. Kg Surgical connecting element for fixing adjacent bone plates
JP2008073541A (en) * 1999-10-30 2008-04-03 Aesculap Ag & Co Kg Surgical connecting element for fixing adjacently arranged bone plates
EP1192909A1 (en) * 2000-09-27 2002-04-03 Chung-Chun Yeh Post-surgical fixation device for skull
US8221421B2 (en) 2001-02-23 2012-07-17 Synthes Usa, Llc Sternum fixation device
US8876824B2 (en) 2001-02-23 2014-11-04 DePuy Synthes Products, LLC Sternum fixation device
WO2003057054A3 (en) * 2001-12-27 2003-10-30 Osteotech Inc Bone fasteners and method for stabilizing vertebral bone facets using the bone fasteners
US7048737B2 (en) 2002-06-11 2006-05-23 Bioplate, Inc. Cranial bone flap fixation system and method
US7048738B1 (en) 2002-07-23 2006-05-23 Bioplate, Inc. Cranial bone flap fixation
US8403929B2 (en) 2004-08-04 2013-03-26 Aesculap Ag Implant for securing neighboring bone plates
US8986352B2 (en) 2004-08-04 2015-03-24 Aesculap Ag Implant for securing neighboring bone plates
EP2594216A1 (en) 2007-12-14 2013-05-22 Stryker Leibinger GmbH & Co. KG Implant for use for adjacently arranged bone plates
WO2009076978A1 (en) * 2007-12-14 2009-06-25 Stryker Leibinger Gmbh & Co. Kg Implant for use for adjacently arranged bone plates
EP2594215A1 (en) 2007-12-14 2013-05-22 Stryker Leibinger GmbH & Co. KG Implant for use for adjacently arranged bone plates
US9034020B2 (en) 2007-12-14 2015-05-19 Stryker Leibinger Gmbh & Co. Kg Implant for use for adjacently arranged bone plates
DE202008013320U1 (en) 2008-09-30 2008-12-18 Aesculap Ag Implant for fixing adjacent bone plates
DE102008050870A1 (en) 2008-09-30 2010-04-01 Aesculap Ag Implant for fixing adjacent bone plates, has two bearing elements and coupling stud which is fixed at former bearing element, where former bearing element rests against side of bone plates during fixation of bone plates
WO2014078265A1 (en) * 2012-11-15 2014-05-22 DePuy Synthes Products, LLC Locking member for a bone fixation device
CN104918568A (en) * 2012-11-15 2015-09-16 新特斯有限责任公司 Locking member for a bone fixation device
US9433438B2 (en) 2012-11-15 2016-09-06 DePuy Synthes Products, Inc. Locking member for a bone fixation device
US9622784B2 (en) 2012-11-15 2017-04-18 DePuy Synthes Products, Inc. Locking member for a bone fixation device
US20160100947A1 (en) * 2013-04-24 2016-04-14 Ntplast S.R.L. Device for fixing a cranial limb to the cranial crown to be placed in the craniotomial hole or cutting
CN105055011A (en) * 2015-07-29 2015-11-18 胡晓予 Skull flap restoration fixing clamp
CN105534581A (en) * 2016-02-18 2016-05-04 浙江申达斯奥医疗器械有限公司 Special instrument set for skull repair fixation operations

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