JPH0356054B2 - - Google Patents
Info
- Publication number
- JPH0356054B2 JPH0356054B2 JP15634187A JP15634187A JPH0356054B2 JP H0356054 B2 JPH0356054 B2 JP H0356054B2 JP 15634187 A JP15634187 A JP 15634187A JP 15634187 A JP15634187 A JP 15634187A JP H0356054 B2 JPH0356054 B2 JP H0356054B2
- Authority
- JP
- Japan
- Prior art keywords
- guide
- angle
- fixed
- acetabular
- goniometer
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 210000003692 ilium Anatomy 0.000 claims description 4
- 210000000588 acetabulum Anatomy 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000001621 ilium bone Anatomy 0.000 description 1
- 239000003550 marker Substances 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
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
【発明の詳細な説明】
＜利用分野＞
本発明は、股関節全置換処置の際に、寛骨臼を
正しく削取し、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 provides a method for correct removal and reaming of the acetabulum during total hip replacement treatment (also referred to as reaming).
The present invention relates to a fixture for carrying out.
＜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、骨盤は指標とな
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、感に頼つて骨削取、拡孔処理を
行い、臼蓋を形成してきた。従つて、処理中に骨
盤の動きが伴つた場合には正確な臼蓋形成の処理
が困難になる。特に、前捻角の設定することが困
難である。<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 instrument as an index. The body axis was roughly determined, and the acetabulum was formed by removing the bone and drilling the hole by feeling. Therefore, if the pelvis moves during the process, it becomes difficult to accurately form the acetabulum. In particular, it is difficult to set the anteversion angle.
本発明は、左右前腸骨に角度計を固定し、***
の変化が生じても、角度計の指示に従つて骨削
取、拡孔処理（リーミング）を行うことによつて
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 anterior iliac bones, and even if the body position changes, bone removal and reaming are performed according to the instructions of the goniometer, thereby ensuring accurate acetabulum. The object of the present invention is to provide an acetabular goniometer to enable formation.
＜問題点を解決するための手段＞
本発明は、棒状フレーム一端に固定された固定
ガイド［］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 the Problems> The present invention provides a fixed guide fixed to one end of a rod-shaped frame, and a variable angle guide attached to the other end with an angle meter that varies the angle in at least one direction. This is an acetabular goniometer characterized by providing a movable fixed guide [ ] between the guide [ ] and the angle-changing 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前捻方向（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
［］および［］は鋼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, the most important longitudinal position parallel to the body axis can be determined, followed by the transverse and antetorsion (oblique) directions.
It is possible to change the angle in two directions. Furthermore, the angle of change can be measured with an angle meter. Furthermore, the fixed guides [] and [] can be fixed to the ilium with steel wire.
次に、本発明の寛骨臼角度計の一例を図面によ
つて説明する。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
１の一端に固定された固定ガイド［］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によつ
て構成され、移動することのできる固定ガイド
［］のガイド５は、腸骨に固定するノールスピ
ン（鋼線）を刺入する孔６、該ピンを固定する固
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によつて構成される。そして、変角ガイ
ドは縦方向ガイド９、ガイド軸にはガイド用鋼線
を刺入する孔１０、該刺入鋼線を固定する固定ネ
ジ１１、前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
定ネジ１３，１３′。横方向変角ガイド１４、ガ
イド用鋼線を刺入する孔１５、該刺入鋼線を固定
する固定ネジ１６、寛骨臼蓋傾斜角を表示する角
度計１７、そして寛骨臼蓋傾斜角の位置を固定す
る固定ネジ１８によつて構成される。 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 [] fixed to one end of the rod-shaped frame 1 is composed of a hole 3 into which a Nordspin (steel wire) fixed to the ilium is inserted, and a fixing screw 4 which fixes the pin. The guide 5 of the movable fixed guide [ ] includes a hole 6 into which a Nordspin (steel wire) to be fixed to the ilium is inserted, a fixing screw 7 to fix the pin, and a fixing nut 8 to fix the guide to the frame. Consisting of: The bending angle guide is a vertical guide 9, the guide shaft has a hole 10 for inserting a guide steel wire, a fixing screw 11 for fixing the inserted steel wire, and a antetorsion angle bending guide 12 for determining the antetorsion angle. ,
An angle meter 12', and fixing screws 13, 13' for fixing the position of the anteversion angle. A lateral displacement guide 14, a hole 15 for inserting a guide steel wire, a fixing screw 16 for fixing the inserted steel wire, a goniometer 17 for displaying the acetabular inclination angle, and an acetabular inclination angle. It is constituted by a fixing screw 18 that fixes the position of.
＜作用＞
本発明の寛骨臼角度計は、固定ガイド［］お
よび［］を左右の前腸骨棘に体軸と直角にノー
ルスピン（鋼線）で固定し、縦方向ガイドにガイ
ド用鋼線を刺入固定することによつて体軸に平行
な指標をつくる。前捻角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 the fixed guides [] and [] fixed to the left and right anterior iliac spines at right angles to the body axis with Nordspin (steel wire), and the longitudinal guides are fitted with guide steel. By inserting and fixing a wire, a marker parallel to the body axis is created. Determine the anteversion angle of the anteversion angle guide with an angle meter and fix it.
次いで、横方向変角ガイドにガイド用鋼線を刺
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。それによつて正確な臼蓋形成の位
置決め、骨の削取、拡孔処理（リーミング）ある
いはカツプの挿入を正しく、容易に行うことがで
きるようにした。 Next, a guide steel wire is inserted and fixed into the lateral deflection guide, and the acetabular inclination angle with respect to the body axis is set and fixed. This makes it possible to accurately position the acetabulum, remove bone, ream the hole, and insert the cup correctly and easily.
＜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 described.
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棘に固定ガイ
ド［］および［］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
ぞれガイド用鋼線を刺入固定し、縦方向ガイドで
体軸に平行な指標をつくる。そして、前捻角変角
ガイドで前捻角を所定の角度（多くは10〜15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つを指標
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もつた臼蓋が容易
に形成することができた。Example of use Using the acetabular goniometer shown in Figures 1 and 2, insert fixed guides [] and [] perpendicular to the body axis on both sides of the anterior superior iliac spine of a supine patient using Nordspin. and fix it. Next, guide steel wires are inserted and fixed into each of the angle guides, and a longitudinal guide is used to create an index parallel to the body axis. Then, the anteversion angle is set and fixed at a predetermined angle (often in the range of 10 to 15 degrees) using the anteversion angle guide, and then the acetabular inclination angle is adjusted using the lateral deviation guide. Set and fix at a predetermined angle (often 45 degrees). By performing reaming for acetabular formation using these two as indicators,
The acetabulum with the planned anteversion angle and acetabular angle was easily formed.
この形成された臼蓋にカツ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 acetabulum, and the treatment was successful.
＜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***あるいは体の動きに対し
ても定められた角度計の指標に従つて処置するこ
とによつて、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 positioning of the acetabular preparation, and can be performed in accordance with the determined index of the goniometer even in various body positions or body movements. Therefore, treatment can be performed stably, easily, and correctly.
第１図および第２図は本発明の寛骨臼角度計の
例図である。
FIGS. 1 and 2 are examples of the acetabular goniometer of the present invention.
Claims (1)
［］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。 ２ 変角ガイドが横方向および体軸に関して回転
する方向（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。 ３ 変角ガイドには棒状フレームに直角で、かつ
体軸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。 ４ 固定ガイド［］および［］が鋼線で腸骨
に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。[Claims] 1. A fixed guide [] fixed to one end of a rod-shaped frame is provided, and a variable angle guide with an angle meter that deflects the angle in at least one direction is provided at the other end, and the fixed guide [] and the variable angle are provided at the other end. An acetabular goniometer characterized by having a fixed guide that can be moved between the guides. 2. The acetabular goniometer according to claim 1, wherein the angle deflection guide is a deflection guide that varies the angle in two directions: a lateral direction and a rotational direction (antetorsional direction) with respect to the body axis. 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. 4. The acetabular goniometer according to any one of claims 1 to 3, wherein the fixed guides [] and [] can be fixed to the ilium with steel wire.
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 JPS63318939A (en) | 1988-12-27 |
| JPH0356054B2 true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8403995B2 (en) | 2008-12-18 | 2013-03-26 | Depuy Products, Inc. | Device and method for determining proper seating of an orthopaedic prosthesis |
| US8075629B2 (en) | 2008-12-18 | 2011-12-13 | Depuy Products, Inc. | Orthopaedic prosthesis having a seating indicator |
| JP5412334B2 (en) * | 2010-03-15 | 2014-02-12 | 鬼頭 縁 | Hip replacement surgery support system |
-
1987
- 1987-06-22 JP JP15634187A patent/JPS63318939A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63318939A (en) | 1988-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |