JPS63318939A - Acetabulum angle meter - Google Patents
Acetabulum angle meterInfo
- Publication number
- JPS63318939A JPS63318939A JP15634187A JP15634187A JPS63318939A JP S63318939 A JPS63318939 A JP S63318939A JP 15634187 A JP15634187 A JP 15634187A JP 15634187 A JP15634187 A JP 15634187A JP S63318939 A JPS63318939 A JP S63318939A
- Authority
- JP
- Japan
- Prior art keywords
- angle
- guide
- fixed
- shelf
- acetabular
- 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
- 210000000588 acetabulum Anatomy 0.000 title abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 210000003692 ilium Anatomy 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 210000001621 ilium bone Anatomy 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000004197 pelvis Anatomy 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 238000011541 total hip replacement Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
Description
【発明の詳細な説明】
く利用分野〉
本発明は、股関節全置換処置の際に、寛骨臼を正しく前
取し、拡孔処置（リーミングとも称す）を行うための固
定具に関するものである。[Detailed Description of the Invention] Field of Application The present invention relates to a fixing device for correctly preparing the acetabulum and performing hole reaming treatment (also referred to as reaming) during total hip replacement treatment. .
〈従来の技術と問題点〉
従来、寛骨臼蓋形成を行うためには手術器具自体に角度
をつけたものを使用し、骨盤は指環となる特別な器具で
固定を行わずに、骨盤と体軸をおおまかに決定し、感に
頼って骨前取、拡孔処理を行い、臼蓋を形成してきた。<Conventional techniques and problems> Conventionally, in order to perform acetabular plasty, angled surgical instruments were used, and the pelvis was not fixed with a special ring. The body axis was roughly determined, and the acetabulum was formed by preparing the bone and drilling the hole by feeling.
従って、処理中に骨盤の動きが伴った場合には正確な臼
蓋形成の処理が困難になる。特に、前捻角を設定するこ
とが困難である。Therefore, if the pelvis moves during the process, accurate acetabulum formation becomes difficult. In particular, it is difficult to set the anteversion angle.
本発明は、左右ＦＪ腸骨に角度計を固定し、体位の変化
が生じても、角度ｇすの指示に従って骨前取、拡孔処理
（リーミング）を行う□こと？こよって正確な臼蓋形成
を可能にするための寛骨臼角度計を提供することにある
。The present invention fixes a goniometer to the left and right FJ iliac bones, and performs bone preparation and reaming according to the instructions of the angle g, even if the body position changes. Therefore, an object of the present invention is to provide an acetabular goniometer that enables accurate acetabular formation.
く問題点を解決するための手段〉
本発明は、棒状フレームの一端に固定された固定ガイド
［ｒ］を設け、他端に少なくとも一方向に変角する角度
計を付した変角ガイドを設け、固定ガイド［■］と変角
ガイドの間に移動することのできる固定ガイド［■］を
設けたことを特徴とする寛骨臼角度計である。Means for Solving Problems> The present invention provides a fixed guide [r] fixed to one end of a rod-shaped frame, and a variable angle guide provided with an angle meter that varies the angle in at least one direction at the other end. , an acetabular goniometer characterized in that a movable fixed guide [■] is provided between the fixed guide [■] and the variable angle guide.
そして、本発明の変角ガイドはリーミング処置の位置決
めに重要な役割を有する。すなわち、最も重要な体軸に
平行な縦方向の位置を決めることができ、次いで横方向
および訂捻方向（斜方向）の二方向の変角が可能である
。更に、変化角は角度計で計測できるようにした。また
、固定ガイド［Ｉ］および［Ｉｌ］は綱線で腸骨に固定
することができるものである。The variable angle guide of the present invention plays an important role in positioning during reaming treatment. That is, it is possible to determine the most important position in the longitudinal direction parallel to the body axis, and then it is possible to change the angle in two directions: the lateral direction and the twisting direction (oblique direction). Furthermore, the angle of change can be measured with an angle meter. Further, the fixing guides [I] and [Il] can be fixed to the ilium with rope wires.
次に、本発明の寛骨臼角度計の一例を図面によって説明
する。第１図は寛骨臼角度計の上面図であり、第２図は
その側面図である。棒状フレームｌの一端に固定された
固定ガイド［Ｉ］のガイド２は、腸骨に固定するノール
スピン（鋼線）を刺入する孔３、該ピンを固定する固定
ネジ４によって構成され、移動することのできる固定ガ
イド［Ｈ］のガイド５は、腸骨に固定するノールスピン
（屑線）を刺入する孔６、該ビンを固定する固定ネジ７
およびガイドをフレームに固定する固定ナツト８によっ
て構成される。そして、変色ガイドは縦方向ガイド９、
ガイド軸にはガイド用屑線を刺入する孔ＩＯ５該刺人刺
入を固定する固定ネジＬＬ 面捻角を決める前捻角変角
ガイド１２、角度計１２′、そして前捻角の位置を固定
する固定ネノ１３．１３’。Next, an example of the acetabular goniometer of the present invention will be explained with reference to the drawings. FIG. 1 is a top view of the acetabular goniometer, and FIG. 2 is a side view thereof. The guide 2 of the fixed guide [I] fixed to one end of the rod-shaped frame l is composed of a hole 3 for inserting a Nordspin (steel wire) fixed to the ilium, and a fixing screw 4 for fixing the pin, and is movable. The guide 5 of the fixed guide [H] that can be fixed to the ilium includes a hole 6 for inserting a Norspin (scrap wire) to be fixed to the ilium, and a fixing screw 7 for fixing the bottle.
and a fixing nut 8 that fixes the guide to the frame. The discoloration guide is a vertical guide 9,
The guide shaft has a hole IO for inserting a guide scrap wire, a fixing screw LL for fixing the insertion of the guide, a antetorsion angle changing guide 12 for determining the plane torsion angle, a goniometer 12', and a antetorsion angle changing guide 12 for determining the position of the antetorsion angle. Fixed Neno 13.13' to fix.
横方向変角ガイド１４、ガイド用綱線を刺入する孔１５
、該刺入綱線を固定する固定ネノ１６、寛骨臼蓋傾斜角
を表示する角度計１７、モして寛骨臼蓋傾斜角の位置を
固定する固定ネノ１８によって構成される。Lateral deflection guide 14, hole 15 for inserting the guide wire
, a fixing pad 16 for fixing the insertion line, a goniometer 17 for displaying the acetabular inclination angle, and a fixing pad 18 for fixing the position of the acetabular inclination angle.
〈作 用〉
本発明の寛骨臼角度計は、固定ガイド［ＩＥおよび［Ｉ
１］を左右の萌腸骨韓に体軸と直角にノールスピン（綱
線）で固定し、縦方向ガイドにガイド用屑線を刺入固定
することによって体軸に平行な指標をつくる。萌捻内変
角ガイドの前捻角を角度計で定めて固定する。<Function> The acetabular goniometer of the present invention has fixed guides [IE and [I].
1] are fixed to the left and right iliac bones at right angles to the body axis using Nordspin (rope wire), and a guide wire is inserted and fixed into the longitudinal guide to create an index parallel to the body axis. Determine the anteversion angle of the breech inversion guide using a goniometer and fix it.
次いで、横方向変角ガイドにガイド用綱線を刺入固定し
、体軸に対する寛骨臼蓋傾斜角度を設定して固定する。Next, a guide cable is inserted and fixed into the lateral displacement guide, and the acetabular inclination angle with respect to the body axis is set and fixed.
それによって正確な臼蓋形成の位置決め、骨の割数、拡
孔処理（リーミング）あるいはカップの挿入を正しく、
容易に行うことができるようにした。This allows for accurate acetabular preparation positioning, bone division, reaming, and cup insertion.
Made it easy to do.
〈実施例〉 次に、本発明の寛骨臼角度計の使用例を説明する。<Example> Next, an example of use of the acetabular goniometer of the present invention will be explained.
使用例
第１図および第２図に示した寛骨臼角度計を用い、仰臥
位の患者の両側の前上腸骨辣に固定ガイド［Ｉ］および
［Ｉ１］をノールスピンで体軸に直角に刺入して固定す
る。次いで変角ガイドにそれぞれガイド用綱線を刺入固
定し、縦方向ガイドで体軸に平行な指標をつくる。そし
て、萌捻角変角ガイドで前捻角を所定の角度（多くは１
０〜１５度の範囲）に設定して固定し、次いで、横方向
変角ガイドで処理する寛骨臼蓋傾斜角を所定の角度（多
くは４５度）に設定して固定する。この２つを＠標にし
て臼蓋形成のリーミングを行うことにより、計画通りの
前捻角と臼蓋角度をちった臼蓋が容易に形成することが
できた。Example of Use Using the acetabular goniometer shown in Figures 1 and 2, set guides [I] and [I1] on the anterior superior iliac bones on both sides of a supine patient at right angles to the body axis using Nordspin. Insert and fix. Next, a guide cable is inserted and fixed into each of the deformation guides, and a longitudinal guide is used to create an index parallel to the body axis. Then, adjust the anteversion angle to a predetermined angle (often 1
Then, the acetabular inclination angle, which is processed by the lateral deflection guide, is set and fixed at a predetermined angle (often 45 degrees). By performing reaming for acetabular formation using these two as @ marks, it was possible to easily form an acetabulum with the planned anteversion angle and acetabular angle.
この形成された口蓋にカップを挿入固定した結果、良好
な処置ができた。A cup was inserted and fixed into the formed palate, resulting in a successful treatment.
〈発明の効果〉
本発明の寛骨臼角度計は正確な臼蓋形成の位置決めがで
き、様々な体位あるいは体の動きに対し光も定められた
角度計の指標に従って処置することによって、安定に、
容易に、かつ正しく処置ができる。<Effects of the Invention> The acetabular goniometer of the present invention enables accurate acetabular formation positioning, and provides stable treatment for various body positions or body movements by adjusting the light according to the determined index of the goniometer. ,
Treatment can be done easily and correctly.
第１図および第２図は本発明の寛骨臼角度計の側口であ
る。1 and 2 are side ports of the acetabular goniometer of the present invention.
Claims (4)
I ］を設け、他端に少なくとも一方向に変角する角度計
を付した変角ガイドを設け、固定ガイド［ I ］と変角
ガイドの間に移動することのできる固定ガイド［II］を
設けたことを特徴とする寛骨臼角度計。(1) Fixed guide fixed to one end of the rod-shaped frame [
A variable angle guide with an angle meter attached to the other end to change the angle in at least one direction is provided, and a movable fixed guide [II] is provided between the fixed guide [I] and the variable angle guide. This acetabular angle meter is characterized by:
方向（前捻方向）の二方向に変角する変角ガイドである
特許請求の範囲第１項記載の寛骨臼角度計。(2) The acetabular goniometer according to claim 1, wherein the angle deflection guide is a deflection guide that varies the angle in two directions: the lateral direction and the direction of rotation (antetorsional direction) about the body axis.
に平行な縦方向ガイドを設けた特許請求の範囲第１項ま
たは第２項記載の寛骨臼角度計。(3) The acetabular goniometer according to claim 1 or 2, wherein the angle guide is provided with a longitudinal guide that is perpendicular to the rod-shaped frame and parallel to the body axis.
固定することのできる特許請求の範囲第１項ないし第３
項記載のいずれかである寛骨臼角度計。(4) Claims 1 to 3 in which the fixed guides [I] and [II] can be fixed to the ilium with steel wires.
An acetabular goniometer as described in section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15634187A JPS63318939A (en) | 1987-06-22 | 1987-06-22 | Acetabulum angle meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15634187A JPS63318939A (en) | 1987-06-22 | 1987-06-22 | Acetabulum angle meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63318939A true JPS63318939A (en) | 1988-12-27 |
| JPH0356054B2 JPH0356054B2 (en) | 1991-08-27 |
Family
ID=15625651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15634187A Granted JPS63318939A (en) | 1987-06-22 | 1987-06-22 | Acetabulum angle meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63318939A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011189015A (en) * | 2010-03-15 | 2011-09-29 | Kito Yasu | Artificial hip joint replacement operation support system |
| US8075629B2 (en) | 2008-12-18 | 2011-12-13 | Depuy Products, Inc. | Orthopaedic prosthesis having a seating indicator |
| US8403995B2 (en) | 2008-12-18 | 2013-03-26 | Depuy Products, Inc. | Device and method for determining proper seating of an orthopaedic prosthesis |
-
1987
- 1987-06-22 JP JP15634187A patent/JPS63318939A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8075629B2 (en) | 2008-12-18 | 2011-12-13 | Depuy Products, Inc. | Orthopaedic prosthesis having a seating indicator |
| US8403995B2 (en) | 2008-12-18 | 2013-03-26 | Depuy Products, Inc. | Device and method for determining proper seating of an orthopaedic prosthesis |
| US8747482B2 (en) | 2008-12-18 | 2014-06-10 | DePuy Synthes Products, LLC | Device and method for determining proper seating of an orthopaedic prosthesis |
| JP2011189015A (en) * | 2010-03-15 | 2011-09-29 | Kito Yasu | Artificial hip joint replacement operation support system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0356054B2 (en) | 1991-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |