JP4439465B2 - Joint relieving device inspection apparatus - Google Patents

Joint relieving device inspection apparatus Download PDF

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JP4439465B2
JP4439465B2 JP2005368568A JP2005368568A JP4439465B2 JP 4439465 B2 JP4439465 B2 JP 4439465B2 JP 2005368568 A JP2005368568 A JP 2005368568A JP 2005368568 A JP2005368568 A JP 2005368568A JP 4439465 B2 JP4439465 B2 JP 4439465B2
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hip
relieving device
portion
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JP2007167318A (en
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利昭 原
隆吉 川崎
満 森
直人 遠藤
孝則 長谷川
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国立大学法人 新潟大学
森鐵工株式会社
源川医科器械株式会社
瑞穂医科工業株式会社
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本発明は関節免荷具検査装置に関し、例えば大腿骨頭壊死症の患者の股関節に取り付けられる股関節免荷具に適用して好適なものである。 The present invention relates to a joint relieving device inspection apparatus, and is suitably applied to a hip relieving device attached to the hip example of avascular necrosis of the femoral head of the patient.

近年、大腿骨頭壊死症においては、X線像に骨頭の変形が表れない初期の段階のものや、骨頭の変形破壊が進み、変形性股関節症にまで進行した段階のものまであり、その治療法は疾患の進行状況によって大きく異なる。 Recently, in the femoral head necrosis, early stages of what and deformation of the femoral head in the X-ray image does not appear, the process proceeds deformation destruction of the femoral head, is up to those of the stage of progress to osteoarthritis of the hip, the treatment differs greatly depending on the progress of the disease. 例えば壊死した範囲が広がり、骨頭がつぶれてしまった段階では、股関節を温存する治療が困難となり、患者の股関節を人工股関節に置換する手術、いわゆる人工股関節置換術が一般に行われている(例えば特許文献1参照)。 For example, the spread is necrotic range, at the stage that had collapsed femoral head, the treatment to preserve the hip joint becomes difficult, surgery to replace the patient's hip to hip, the so-called hip replacement surgery is generally performed (for example, Japanese Patent references 1).

これに対して、将来的に骨頭の変形が予想される場合や骨頭が僅かに変形している段階においては、骨切り術や骨移植等の関節温存手術が一般的に行なわれている。 In contrast, in the step or if the femoral head deformation in the future the femoral head is expected is slightly deformed, joint-conserving surgery, such as osteotomy and bone grafting is commonly performed.
特開平9−173365号公報 JP-9-173365 discloses

ところで、かかる関節温存手術による治療法では、術後長期に亘って大腿骨骨頭に加わる荷重を免荷する必要があり、このため当該股関節に対する荷重を免荷する股関節免荷具の開発が行なわれている。 However, such a therapy with joint-sparing surgery, it is necessary to relieving the load applied to the femoral head over a postoperative long, the development of this for hip relieving device for relieving the load on the hip performed ing.

このような股関節免荷具では、壊死を生じた大腿骨骨頭への負担を軽減するだけでなく、日常生活に欠かせない歩行や排泄動作等の各種動作を行なえるように術後股関節の可動域をある程度確保しておくことが望ましい。 In such a hip relieving tool, not only to reduce the burden on the resulting necrosis femoral head, the movable post-operative hip joint for perform various operations of the walking and excretion operation, and the like that are essential to everyday life it is desirable to some extent ensure the pass.

このため、股関節免荷具の開発においては、当該股関節免荷具を取り付けた股関節がどの程度可動するか否かを正確に把握し、当該股関節免荷具の可動能力を正しく評価することが重要となる。 Therefore, in the development of hip relieving device, important that the hip fitted the hip relieving device is whether the extent to which the movable accurately grasped, assessing the movable capability of the hip Men'nigu correctly to become.

そこで、本発明は以上の問題点を考慮してなされたもので、関節免荷具の可動能力を容易に評価できる関節免荷具検査装置を提供しようとするものである。 The present invention has been made in consideration of the above problems, it is intended to provide a joint relieved instrument inspection apparatus movable ability readily assessed joints Men'nigu.

本発明の請求項1記載の関節免荷具用検査装置は、 一の骨模型に関節免荷具の一端側が固定されると供に、他の骨模型に前記関節免荷具の他端側が固定され、前記一の骨模型及び前記他の骨模型の連結部分である前記関節模型を跨がせるように前記関節免荷具が取付可能な構成を有する骨格模型と、前記関節免荷具を跨がせた前記関節模型の可動域を測定する測定手段とを備え、前記測定手段は、前記一の骨模型に固定した第1の固定部と、前記他の骨模型に固定した第2の固定部と、前記第1の固定部及び前記第2の固定部間に設けられ、前記関節模型を跨ぐように配置された回動測定機構とからなり、前記回動測定機構は、互いに直交するX軸、Y軸及びZ軸の3軸方向の並進変位と、各前記3軸方向の各軸回りの回転変位とを測定する Claim 1 joint relieving device inspection apparatus according to the present invention, the subject and the one end side of the joint relieving device is fixed to one of the bone model, the other end of the joint relieving device to other bone model is fixed, and skeletal model of the one of the bone model and the coupling portion a is the joint model the joint relieving device so as to straddle the other bone model has a possible mounting arrangements, the joint relieving device and a measuring means for measuring the range of motion of the joint model that has straddled, the measuring means includes a first fixing portion fixed to the one of the bone model, a second fixed to the other bone model a fixed portion composed of a first fixing portion and provided between the second fixing portion, rotation measuring mechanism arranged so as to straddle the articulation model, the rotation measuring mechanism, orthogonal to each other X-axis, a translational displacement in the three axial directions of the Y-axis and Z-axis, and a rotational displacement of the axis of each of said three axial directions is measured とにより、前記関節免荷具が取り付けられた状態で前記関節模型の可動域を測定することを特徴とするものである。 And by, and it is characterized in that for measuring the range of motion of the joint model in a state where the joint relieving device is attached.

また、本発明の請求項2記載の関節免荷具検査装置は、 前記骨格模型を支持する骨格模型支持手段が上部に設けられていると供に、前記他の骨模型を所定方向に移動させる関節移動手段が底部に設けられた装置本体を備え、前記骨格模型は、前記一の骨模型が腸骨模型であり、前記他の骨模型が大腿骨模型であり、前記関節模型が股関節模型であって、前記骨格模型支持手段は、前記装置本体に一体形成された支持部材と、該支持部材にヒンジ部を介して連結された保持部材とからなり、前記保持部材に前記骨格模型の腰椎模型が固定され、前記ヒンジ部により前記腸骨模型の角度が選定可能に構成されていることを特徴とするものである。 Further, the joint relieving device inspection apparatus according to claim 2 of the present invention, the test a skeleton model support means for supporting said skeleton model is provided above, move the other bone model in a predetermined direction comprising a device body articulation means provided at the bottom, the skeleton model, the one bone model is iliac model, the other bone model is the femur model, the joint model is hip model there are, the framework model support means includes a support member integrally formed on the apparatus body consists of a holding member connected via a hinge portion to the support member, lumbar model of the skeleton model to the holding member There are fixed, by the hinge angle of the iliac model is characterized in that it is configured to be selected.

さらに、本発明の請求項3記載の関節免荷具検査装置は、前記測定手段は、通知手段を有する情報処理装置と電気的に接続する接続手段を備え、前記測定手段で得られた可動域測定データを前記接続手段を介して前記情報処理装置へ送出し、前記測定手段によって得られた可動域測定データを基に、前記股関節模型を屈曲、伸展、内転、外転、内旋及び外旋させたときの各可動域測定結果を前記表示部に表示させることを特徴とするものである。 Furthermore, the joint relieving device inspection apparatus according to claim 3 of the present invention, the measuring means comprises an information processing apparatus and connecting means for electrically connecting with a notification unit, the movable range obtained by said measuring means the measurement data via the connection means and transmitted to the information processing apparatus, based on the range of motion measurement data obtained by said measuring means, said hip model flexion, extension, adduction, abduction, internal rotation and outer it is characterized in that to display each excursion measurement results obtained by handed on the display unit.

本発明の請求項1記載の関節免荷具検査装置によれば、測定手段によって得られた可動域測定結果に基づいて関節免荷具を関節に取り付けたときに関節をどの程度可動できるか否かについて容易に認識させることができ、かくして関節免荷具の可動能力を容易に評価できる。 According to the joint relieving device inspection apparatus according to claim 1 of the present invention, or a joint relieving device based on the obtained excursion measurement results by the measuring means can extent movable joints when attached to the joint not easily it can be recognized whether, thus can be readily evaluated movable capability of the joint Men'nigu.

また、本発明の請求項2記載の関節免荷具検査装置によれば、各種状態に関節を確実に可動させることができ、かくして関節免荷具を関節に取り付けたときに関節がどの程度可動できるか否かを測定手段によって容易に測定できる。 Further, according to the joint relieving device inspection apparatus according to a second aspect of the present invention, the joint can be reliably movable to various states, thus what extent movable joint when the joint relieving device attached to the joint whether it can be readily measured by measuring means.

さらに、本発明の請求項記載の関節免荷具検査装置によれば、関節免荷具を取り付けた股関節がどの程度可動するか否かを認識でき、かくして壊死を生じた大腿骨骨頭への負担を軽減するための股関節免荷具の可動能力について容易に評価できる。 Furthermore, according to the first aspect of the present invention according to the joint relieving device inspection apparatus, can recognize whether or not the extent to which the movable hip fitted joint relieving device, thus to caused necrosis femoral head the movable capability of the hip Men'nigu to reduce the burden can be easily evaluated.

さらに、本発明の請求項記載の関節免荷具検査装置によれば、情報処理装置の通知手段を介して測定手段で得られた可動域測定結果をユーザに対して通知し、これにより可動域測定結果に基づいてユーザに対し関節免荷具の可動能力について容易に評価させることができる。 Furthermore, according to the joint relieving device inspection apparatus according to claim 3 of the present invention, it notifies the excursion measurement results obtained by the measurement means through the notification means of the information processing apparatus to the user, thereby moving it can be readily assessed for moving ability of rheumatoid Men'nigu to the user based on frequency measurement result.

以下、本発明の実施の形態について、図面を参照しながら説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(1)股関節免荷具用可動評価システムの全体構成図1において、1は全体として股関節免荷具用可動評価システムを示し、この股関節免荷具用可動評価システム1は、人体の腸骨及び大腿骨に固定されて股関節に加わる荷重を免荷する股関節免荷具2と、当該股関節免荷具2を取り付けた股関節がどの程度可動するか否かを、成人の股関節を真似て製作した原寸大でなる人体骨格模型3を用いて測定する股関節免荷具検査装置4と、当該股関節免荷具検査装置4によって測定した可動域測定結果をユーザに通知するためのパーソナルコンピュータ5とから構成されている。 (1) Overall Configuration FIG. 1 movable evaluation system for hip relieving device, 1 as a whole shows a movable evaluation system for hip relieving device, the hip relieving device movable evaluation system 1 is human iliac and a hip Men'nigu 2 for relieving the load applied is fixed to the femur in hip, whether hip fitted the hip Men'nigu 2 degree to which movable and manufactured to mimic hip adult scale a hip relieving device testing apparatus 4 for measuring by using a human body skeleton model 3 made large, is composed of a personal computer 5 which for notifying the excursion measurement results measured by the hip relieving device testing apparatus 4 to the user ing.

股関節免荷具検査装置4では、予め用意した複数種類の股関節免荷具のなかからユーザが任意に選択した股関節免荷具2を人体骨格模型3の股関節6に跨がせて取り付け、骨格模型支持手段7によって人体骨格模型3を腰椎8で支持し、このときの股関節6の可動域を6自由度電気角度計9にて測定し、その可動域測定結果を可動域測定データとして有線10を介してパーソナルコンピュータ5へ送出し得るようになされている。 In hip relieving device testing apparatus 4, attached by cross the hip Men'nigu 2 selected by the user arbitrarily from among a plurality of types of hip Men'nigu prepared in advance in the hip 6 of the body skeleton model 3, skeleton model the human skeleton model 3 is supported by the lumbar 8 by the support means 7, the range of motion of the hip 6 of this time was measured by the 6-DOF electrical angle meter 9, the wire 10 and the range of motion measurements as range of motion measurement data through it is adapted to be sent to the personal computer 5.

情報処理装置としてのパーソナルコンピュータ5では、股関節免荷具検査装置4から受け取った可動域測定データに基づいて可動域測定結果を液晶ディスプレイ等の表示部11に表示してユーザに可動域測定結果を通知し、これによりユーザに対して股関節免荷具2の可動能力を評価させ得るようになされている。 The personal computer 5 as an information processing apparatus, the range of motion measurements range of motion measurements based on the range of motion measurement data received from the hip relieving device testing apparatus 4 to the user by displaying on the display unit 11 such as a liquid crystal display notified, thereby being made to be able to assess the movable capability of hip Men'nigu 2 to the user.

このようにして股関節免荷具用可動評価システム1では、股関節免荷具2や図示しない他の股関節免荷具を人体骨格模型3の股関節6に跨がせて取り付けたときに股関節がどの程度可動できるのかを測定し、その可動域測定結果からユーザが各股関節免荷具2の可動能力を評価し得るようになされている。 Thus the movable evaluation system 1 hip relieving device in the, how the hip joint when mounted by straddling the hip Men'nigu 2 and not shown other hip relieving device hip 6 of the body skeleton model 3 measure whether it moving, the user is made to be able to evaluate the movable ability of each hip Men'nigu 2 results thereof excursion measurement.

(2)股関節免荷具の構成先ず初めに股関節免荷具用可動評価システム1に用いられる複数種類の股関節免荷具のうち、基本的構成からなる代表的な股関節免荷具2についてのみ以下説明する。 (2) of the hip Base construction of the load device is first at the beginning of the plurality of types used in hip relieving device movable evaluation system 1 hip Men'nigu, hereinafter only the typical hip Men'nigu 2 made basic configuration explain.

図2(A)及び(B)に示すように、この股関節免荷具2は、実際に人体の腸骨及び腸骨下方にある大腿骨に固定可能に構成されており、腸骨固定部12が股関節開閉用ヒンジ部13を介してアーム部14の一端に連結され、当該アーム部14の他端には股関節前後用ヒンジ部15を介して大腿骨固定部16が連結されている。 As shown in FIG. 2 (A) and (B), the hip Men'nigu 2 is fixably actually constitute the femur in the iliac and iliac lower body, iliac fixing portion 12 There is connected to one end of the arm portion 14 via a hip opening and closing hinge unit 13, the femoral fixation unit 16 via a hinge portion 15 for the front and rear hip to the other end of the arm portion 14 is connected.

図3(A)及び(B)に示すように、腸骨固定部12には、腸骨に直接取り付けられる固定板17と、当該固定板17から突出した連結部18とが設けられ、固定板17には複数のボルト用孔(図示せず)を介して腸骨に固定するためのボルト20が取り付けられるようになされている。 As shown in FIG. 3 (A) and (B), the iliac fixing unit 12 includes a fixed plate 17 attached directly to the iliac, and a connecting portion 18 is provided protruding from the fixed plate 17, the fixed plate the 17 are adapted to the bolt 20 is mounted for securing the iliac via a plurality of bolt holes (not shown). なお、この固定板17の一面には上部及び下部に位置決め用の突起部19が設けられている。 Incidentally, the protrusion 19 for positioning the upper and lower are provided on one surface of the fixed plate 17.

連結部18には、図2(B)に示したように、突出した下面に保持孔21が設けられており、当該保持孔21に股関節開閉用ヒンジ部13の第1の回動部25が水平方向D1(図1(A))に回動自在に取り付けられている。 The coupling portion 18, as shown in FIG. 2 (B), and the holding hole 21 is provided in the protruding lower surface, a first rotating portion 25 of the hip opening and closing hinge unit 13 to the holding hole 21 horizontal direction D1 are rotatably mounted (FIG. 1 (a)).

この場合、連結部18には、対向する側面間に貫通した挿入孔22が穿設され、この挿入孔22によって円筒形状でなる保持孔21の内周面の一部に断面半円形状の凹状部23が形成されている。 In this case, the connecting portion 18, the insertion hole 22 penetrating between the opposite sides is bored, recessed semicircular cross section in a part of the inner peripheral surface of the holding hole 21 by the insertion hole 22 made in a cylindrical shape part 23 is formed.

保持孔21には、股関節開閉用ヒンジ部13の一端に形成された第1の回動部25が軸受メタル26を介在させて挿入され、当該第1の回動部25の外周面に位置固定用として形成された断面半円形状でなる環状凹部27が、保持孔21内の凹状部23に対向するように位置決めされ、この状態のまま挿入孔22に円柱形状のビス28が嵌合固定され得る。 The holding hole 21, the first rotating portion 25 formed at one end of the hip opening and closing the hinge portion 13 is inserted with interposition of a bearing metal 26, the position fixed to the outer peripheral surface of the first rotating portion 25 an annular recess 27 made in a semi-circular cross section formed as use is positioned so as to face the concave portion 23 in the holding hole 21, bis 28 cylindrical shape is fitted and fixed to remain insertion hole 22 in this state obtain.

かくして股関節開閉用ヒンジ部13は、保持孔21に固定されたビス28が第1の回動部25の環状凹部27に嵌め込まれることにより、当該保持孔21から脱落することなく水平方向D1に回動自在に取り付けられる。 Thus hip opening and closing hinge unit 13 by screws 28 fixed in the holding hole 21 is fitted into the annular recess 27 of the first rotating portion 25, the horizontal direction D1 twice without falling off from the holding hole 21 It mounted for movement.

股関節開閉用ヒンジ部13には、同一形状の段部を対向面に備えた駒部30が形成されており、この駒部30のほぼ中心位置に枢支孔31が穿設されている。 Hip opening and closing the hinge portion 13, the stepped portion of the same shape and the pawl member 30 provided with the opposing surface is formed of, pivot holes 31 are formed in substantially the central position of the frame portion 30. この駒部30は、アーム部14の一端にある断面コ字状でなる二股部32の隙間に差し込まれ、二股部32に形成された枢支孔(図示せず)及び駒部30の枢支孔31にねじ等の締結手段35が取り付けられ、これにより水平方向D1と直交する開閉方向D2にアーム部14を回動自在に可動させ得るようになされている。 The pawl member 30 is inserted into the gap between the bifurcated portion 32 made of a U-shaped section at one end of the arm portion 14, (not shown) pivot hole formed in the bifurcated portion 32 and the pivot of the pawl member 30 fastening means 35 such as a screw is attached to the hole 31, thereby being made a arm portion 14 in the closing direction D2 perpendicular to the horizontal direction D1 so as freely to the movable pivot.

ここでアーム部14は、二股部32と、当該二股部32と一体成形され、ほぼ直線状に延びたアーム本体36と、アーム本体36の先端に一体形成され、腸骨固定部12から遠ざかる方向(以下、外方と呼ぶ)へ所定角度に傾斜した支持軸部37とを備えている。 Here the arm portion 14, a forked portion 32, formed integrally with the bifurcated portion 32, an arm body 36 extending substantially linearly, is integrally formed at the distal end of the arm body 36, a direction away from the iliac fixed portion 12 (hereinafter, referred to as outward) and a support shaft portion 37 which is inclined at a predetermined angle to the.

ここでアーム部14の他端となる支持軸部37には、大腿骨固定部16が股関節前後用ヒンジ部15を介して水平方向D1及び開閉方向D2と直交する前後方向D3(図2(A)及び(B))に回動自在に取り付けられている。 Here, the support shaft portion 37 as the other end of the arm portion 14, the front-rear direction D3 (Figure 2 femoral fixing portion 16 is perpendicular to the horizontal direction D1 and the opening and closing direction D2 via the hinge portion 15 for the front and rear hip (A ) and rotatably attached to (B)).

この場合、支持軸部37は、径がアーム本体36よりも小さく形成され、股関節前後用ヒンジ部15の軸受け部38に取り付けられている。 In this case, the supporting shaft portion 37 has a diameter is smaller than the arm body 36 is attached to the bearing portion 38 for the front and rear hip hinge 15.

軸受け部38は、同一形状でなる段部40を対向面に備え、この段部40に貫通孔41が穿設された構成を有し、当該貫通孔41に軸受メタル52を介在させてアーム部14の支持軸部37が挿入される。 Bearing portion 38 is provided with a stepped portion 40 formed in the same shape on the facing surface has a through hole 41 is bored configured to the stepped portion 40, the arm portion by interposing a bearing metal 52 to the through hole 41 14 support shaft portion 37 of is inserted.

支持軸部37の先端側には、軸受メタル43を介して締結手段44が取り付けられ、これにより大腿骨固定部16が股関節前後用ヒンジ部15を介して水平方向D1及び開閉方向D2と直交する前後方向D3(図3(A)及び(B))に回動自在に取り付けられている。 The front end side of the support shaft portion 37, the fastening means 44 is attached via the bearing metal 43, thereby femoral fixing portion 16 is perpendicular to the horizontal direction D1 and the opening and closing direction D2 via the hinge portion 15 for the front and rear hip longitudinal direction D3 and are pivotally mounted on (FIG. 3 (a) and 3 (B)).

股関節前後用ヒンジ部15には、第2の回動部46が設けられており、当該第2の回動部46に大腿骨固定部16が開閉方向D2及び前後方向D3と直交する直交方向D4に回動自在に取り付けられている。 Hip longitudinal hinge section 15, the orthogonal direction a second pivot portion 46 is provided on the second rotating portion 46 femoral fixing portion 16 perpendicular to the opening and closing direction D2 and in the longitudinal direction D3 D4 rotatably attached to.

この場合、大腿骨固定部16の一端には、上面に保持孔50(図2(B))が設けられているとともに、側面間を貫通した挿入孔51が穿設され、この挿入孔51によって保持孔50の内周面の一部に断面半円形状でなる凹状部(図示せず)が形成されている。 In this case, one end of the femur fixing unit 16, together with the holding on the upper surface hole 50 (FIG. 2 (B)) is provided, the insertion hole 51 penetrating between the side face is bored, this insertion hole 51 recessed portion made in part on a semicircular section of the inner peripheral surface of the holding hole 50 (not shown) is formed.

保持孔50には、股関節前後用ヒンジ部15の第2の回動部46が軸受メタル52を介在させて挿入され、当該第2の回動部46の外周面に位置固定用として設けられた断面半円形状の環状凹部53が、凹状部(図示せず)に対向させて位置決めされ、この状態のまま挿入孔に円柱形状のビス55が嵌合固定され得る。 The holding hole 50, the second rotating portion 46 of the hinge portion 15 for the front and rear hip is inserted with interposition of a bearing metal 52, provided as such for position fixed to the outer peripheral surface of the second rotating portion 46 annular recess 53 of semicircular cross section is positioned to face the concave portion (not shown), bis 55 cylindrical leave insertion hole in this state can be securely fitted.

これにより大腿骨固定部16は、保持孔50に固定されたビス55が第2の回動部46の環状凹部53に嵌め込まれることにより、当該保持孔50から股関節前後用ヒンジ部15を脱落させることなく、当該股関節前後用ヒンジ部15に対して開閉方向D2及び前後方向D3と直交する直交方向D4に回動自在に取り付けられる。 Thus femoral fixing unit 16 by screws 55 which are fixed to the holding hole 50 is fitted into the annular recess 53 of the second pivot portion 46, thereby dropping the hinge portion 15 for the front and rear hip from the holding hole 50 it not mounted rotatably in the orthogonal direction D4 orthogonal to the opening and closing direction D2 and in the longitudinal direction D3 with respect to the hip longitudinal hinge section 15.

大腿骨固定部16は、ほぼ直線状に延び、成人の大腿骨内に挿入され得るような径でなる棒状体56を有し、この棒状体56内に芯部材57が内蔵された構成を有する。 Femoral fixing portion 16 extends substantially straight, has a rod-shaped body 56 made of a size such may be inserted into the femur of an adult, has a structure in which the core member 57 is embedded in the rod-like body 56 . そして棒状体56及び芯部材57には、側面にそれぞれ貫通孔58,59が設けられており、当該大腿骨固定部16を大腿骨に固定するためのボルト60がこれら貫通孔58,59に螺着され得るようになされている。 And the rod-like member 56 and core member 57, respectively through holes 58 and 59 are provided on the side surface, screw the femoral fixing portion 16 to the bolt 60 through holes 58 and 59 for fixing to the femur It is made as may be wearing.

大腿骨固定部16は、人体骨格模型3において大腿骨骨頭を残して大転子を切断した大腿骨65(図1)の切断箇所から当該大腿骨65内に先端から挿入させてゆき、所定位置で位置決めするとともに、人体骨格模型3の大腿骨65の側面からボルト60を捻じ込み、当該ボルト60を介して当該大腿骨65に大腿骨固定部16を固定する。 Femoral fixing unit 16, Yuki and the cut portion of the femur 65 by cutting the greater trochanter leaving femoral head in the human skeleton model 3 (Figure 1) is inserted from the tip into the femur 65, the predetermined position in addition to the positioning, screwing the bolt 60 from the side of the femur 65 of a human skeleton model 3, to secure the femoral fixing portion 16 to the femur 65 through the bolt 60. なお、大腿骨固定部16を大腿骨65に固定する際には、ボルト60を用いることなく骨セメント等を用いるようにしても良い。 Note that when fixing the femoral fixing portion 16 to the femur 65 may be used bone cement without the use of bolts 60.

続いて、腸骨66の側面に腸骨固定部12の突起部19に対応した凹部をドリルにて適宜形成し、当該凹部に腸骨固定部12の突起部19を挿入させることにより腸骨に腸骨固定部12を位置決めする。 Subsequently, a recess corresponding to the protrusion 19 of the iliac fixing portion 12 on the side surface of the ilium 66 is suitably formed by a drill, the iliac by inserting the protruding portion 19 of the iliac fixing portion 12 to the recess positioning the iliac fixing portion 12. この状態のまま、固定板17のボルト用孔にボルト20を挿通して腸骨66の側面に捻じ込んでゆくことにより、図4に示すように、腸骨66の側面にボルト20を介して腸骨固定部12を固定して、股関節免荷具2を股関節に取り付け得るようになされている。 In this state, by Yuku crowded screw on the side surface of the iliac 66 by inserting bolts 20 into the bolt holes of the fixing plate 17, as shown in FIG. 4, via a bolt 20 to the side of the iliac 66 securing the iliac fixing portion 12, and a hip Men'nigu 2 is made to be attached to the hip joint.

なお、股関節免荷具2は、腸骨66に固定する腸骨固定部12と、腸骨66の下方にある大腿骨65に固定する大腿骨固定部16と、腸骨固定部12に対して大腿骨固定部16を所定方向に回動自在に連結し、腸骨固定部12からの荷重を支持するアーム部14とを備えるものであれば、上述した構成のものだけでなく、可動機構が少なく免荷機能を重視した股関節免荷具や、自在継手を設けて可動性の制限を少なくした股関節免荷具、人体骨格模型3の姿勢によらずに免荷能力を発揮するように可動機構を配置した股関節免荷具等この他種々の股関節免荷具であっても良い。 Incidentally, hip Men'nigu 2, the iliac fixing portion 12 for fixing the ilium 66, the femoral fixation unit 16 for fixing to the femur 65 at the bottom of the iliac 66, with respect to the iliac fixed portion 12 the femoral fixation portion 16 rotatably connected to a predetermined direction, if it has an arm portion 14 for supporting a load from the iliac fixing portion 12, not only the structure described above, the movable mechanism less and hip Men'nigu that emphasize relieving function, freely reduced mobility limitations by providing a joint and hip Men'nigu, movable mechanisms to exert relieving capacity regardless of the posture of the human body skeleton model 3 hip relieving device such as placing the may be other various hip relieving device.

(3)股関節免荷具検査装置の構成次に上述した股関節免荷具2を取り付けた股関節の可動域を測定する股関節免荷具検査装置4について説明する。 (3) For hip relieving device testing apparatus 4 for measuring the range of motion of the hip joint fitted with a hip Men'nigu 2 above structure next to the hip relieving device testing apparatus will be described.

図1に示したように、この股関節免荷具検査装置4は、腸骨、坐骨及び恥骨からなる寛骨の中央に位置する寛骨臼と大腿骨骨頭67とから構成された股関節6を有する人体骨格模型3と、この人体骨格模型3の腰椎8に装着され、人体骨格模型3を支持する骨格模型支持手段7と、人体骨格模型3に設けられ、股関節6の可動域を測定する6自由度電気角度計9とから構成されている。 As shown in FIG. 1, the hip relieving device testing apparatus 4 comprises a hip joint 6 made up of the acetabulum and the femoral head 67 located in the center of the acetabulum consisting ilium, ischium and pubis a human skeleton model 3, is mounted on the lumbar 8 of this body skeleton model 3, the skeleton model support means 7 for supporting the human body skeleton model 3, provided the human body skeleton model 3, 6 freedom for measuring the range of motion of the hip 6 and a degree electric angle gauge 9.

この場合、股関節免荷具検査装置4は、装置本体70内の底部に関節移動手段としての基台71が設けられ、この基台71上に人体骨格模型3の大腿骨65の大腿骨顆部が載置された構成を有する。 In this case, the hip joint relieving device testing apparatus 4, the base 71 of the articulation means are provided at the bottom of the apparatus body 70, the femoral condyle of the femur 65 of a human skeleton model 3 on the base 71 There has a mounted configuration.

ここで人体骨格模型3は、ほぼ球状でなる大腿骨骨頭67が寛骨臼に嵌め込まれ、実際に人体にある股関節と同じように大腿骨骨頭67が摺動面を介して寛骨臼で可動し得るように構成されており、この股関節6を跨ぐようにして股関節免荷具2が取り付けられる。 Here human skeleton model 3, the femoral head 67 is fitted into the acetabulum consisting of approximately spherical, movable actually femoral head 67 like the hip in the human body through the sliding surface in the acetabulum It is configured so as to, hip Men'nigu 2 is attached so as to straddle the hip 6.

かかる構成に加えて人体骨格模型3には、股関節6及び股関節免荷具2を跨ぐように6自由度電気角度計9が設けられている。 The human skeleton model 3 in addition to the above configuration, six degrees of freedom so as to straddle the hip 6 and hip Men'nigu 2 electrical angle meter 9 is provided.

6自由度電気角度計9は、図4に示すように、第1の固定部72に設けられた支持棒73を人体骨格模型3の腸骨66に突き刺すことにより当該第1の固定部72を上前腸骨棘74付近に配置し得る。 6 DOF electrical angle meter 9, as shown in FIG. 4, the first fixing portion 72 by piercing the support rod 73 provided in the first fixing portion 72 to the iliac 66 of human skeleton model 3 It may be placed in the vicinity of the anterior superior iliac spine 74.

なお、第1の固定部72は、支持棒73を腸骨66に突き刺す程度を適宜調節することにより、上前腸骨棘付近に第1の固定部72を容易に、かつ確実に配置し得るようになされている。 The first fixing portion 72, by adjusting the degree to which pierce the support rod 73 to the iliac 66 appropriately, the first fixing portion 72 easily around the anterior superior iliac spine, and can be reliably disposed It has been made so.

また6自由度電気角度計9は、第1の固定部72と回動測定機構75を介して第2の固定部76が設けられており、この第2の固定部76が図示しないねじによって大腿骨65に固定され得る。 The 6 DOF electrical angle meter 9 is a second fixing portion 76 is provided through the first fixing portion 72 and the rotation measuring mechanism 75, the thigh by the second fixing part 76 is not shown screws It may be fixed to the bone 65.

回動測定機構75は、互いに直交するX軸、Y軸及びZ軸の3軸方向の並進変位(3自由度)を電気的に測定するとともに、各3軸方向の各軸回りの回転変位(3自由度)を電気的に測定し、これら合計6自由度の変位の測定結果を同時に得られるように構成されている。 Rotation measuring mechanism 75, X-axis, Y-axis and three-axis directions of the translational displacement of the Z axis (3 degrees of freedom) as well as electrically measured, the axis of the rotational displacement of each of the three axes directions perpendicular to each other ( 3 degrees of freedom) electrically measured, and is configured so as to obtain the measurement results of these six degrees of freedom of displacement at the same time.

実際上、回動測定機構75には、連結部材80a,80bに回動軸をZ方向に有する第1の回動部81(第1の固定部72側の連結部材80aに有する第1の回動部は図示せず)と、連結部材80a,80bにそれぞれ設けられ、回動軸をX軸方向に有する第2の回動部82a,82bと、連結アーム部材83a,83bにそれぞれ設けられ、回動軸をY軸方向に有する第3の回動部84a,84b,84cとを有し、これにより6自由度の変位を電気的に測定し得る。 In practice, the rotation measuring mechanism 75, the connecting member 80a, a first rotating portion 81 having a rotation axis in the Z direction 80b (first round with the first connecting member 80a of the fixed portion 72 side the dynamic portion not shown), connecting members 80a, respectively provided at 80b, a second pivot portion 82a, 82b having a rotation axis in the X-axis direction, the connecting arm member 83a, provided on each of the 83 b, the third rotating portion 84a having a pivot axis in the Y-axis direction, 84b, and a 84c, thereby capable of electrically measure the six degrees of freedom of displacement.

かくして、回動測定機構75は、大腿骨65に固定した第2の固定部76について6自由度での変位を測定することにより、股関節6を屈曲、伸展、内転、外転、内旋及び外旋させたときの角度を測定し得るようになされている。 Thus, rotation measuring mechanism 75, by measuring the displacement at 6 degrees of freedom for the second fixing portion 76 fixed to the femur 65, bending the hip joint 6, extension, adduction, abduction, internal rotation and are made angular so that can measure obtained while external rotation.

回動測定機構75は、第1の回動部81、第2の回動部82a,82b及び第3の回動部84a,84b,84cからそれぞれ得られた可動測定結果を可動測定データとしてパーソナルコンピュータ5に有線10を介して送出し、当該パーソナルコンピュータ5の通知手段としての表示部11に表示させ得るようになされている。 Rotation measuring mechanism 75 may be a personal first rotating portion 81, the second rotating part 82a, 82b and the third rotating portion 84a, 84b, the movable measurement results obtained from each of 84c as a movable measurement data sent through the wire 10 to the computer 5, it is configured so as to be able to display on the display unit 11 as the notification means of the personal computer 5.

ここで6自由度電気角度計9が取り付けられる人体骨格模型3は、図1に示すように、骨格模型支持手段7によって支持されている。 Here six degrees of freedom electric goniometer 9 human skeleton model 3 which is attached, as shown in FIG. 1, is supported by the skeleton model support means 7.

この骨格模型支持手段7は、装置本体70内の上部に設けられ、人体骨格模型3の腰椎8に装着された構成を有する。 The skeleton model support means 7 is disposed in an upper portion of the apparatus main body 70 has a mounting configurations lumbar 8 of the body skeleton model 3.

ここで骨格模型支持手段7は、装置本体86に一体形成された支持部材87と、この支持部材87にヒンジ部88を介して連結された保持部材89とから構成されており、保持部材89の先端に人体骨格模型3の腰椎8が固定され、これによりヒンジ部88を介して保持部材89の角度を調節することにより、人体骨格模型3の腸骨66の角度を任意に選定でき、これにより股関節を屈曲及び伸展させ得るように構成されている。 Here skeleton model support means 7 has a support member 87 that is integrally formed in the apparatus main body 86 is composed of linked holding member 89. via the hinge portion 88 to the support member 87, the holding member 89 lumbar 8 of human skeleton model 3 is fixed to the distal end, thereby by adjusting the angle of the holding member 89 via a hinge portion 88, it can be freely selected angle iliac 66 of human skeleton model 3, thereby hip is configured so as to flexion and extension of the.

(4)動作及び効果以上の構成において、股関節免荷具用可動評価システム1では、先ず初めにユーザが任意に選択した股関節免荷具2の大腿骨固定部16を人体骨格模型3の大腿骨65に固定するとともに、腸骨66にボルト20を介して腸骨固定部12を固定し、これにより股関節免荷具2が股関節6を跨ぐように取り付けられ、股関節免荷具2の腸骨固定部12、アーム部14及び大腿骨固定部16によって人体骨格模型3の腸骨55から大腿骨65までを直接連結する。 (4) Operation and configuration of the above effects, the hip relieving device movable evaluation system 1, the femoral fixation part 16 of the hip Men'nigu 2 selected by the user arbitrarily First of all the body skeleton model 3 femur is fixed to 65, via a bolt 20 to the iliac 66 to secure the iliac fixing unit 12, thereby hip Men'nigu 2 is mounted so as to straddle the hip 6, hip Men'nigu 2 iliac fixed part 12, directly connected from iliac 55 of human skeletal model 3 to the femur 65 by the arm portion 14 and the femoral fixing portion 16.

このとき、股関節免荷具検査装置4では、骨格模型支持手段7によって人体骨格模型3を支持し、これにより一般的な成人が直立位のときの状態を実現する。 In this case, the hip relieved instrument inspection apparatus 4, to support the human body skeleton model 3 skeletal model support means 7, which by a general adult to achieve a state in upright position.

そして、股関節免荷具検査装置4では、基台71を移動させることにより人体骨格模型3の大腿骨65を移動させ、股関節6を屈曲、伸展、内転、外転、内旋及び外旋させる。 Then, the hip relieved instrument inspection apparatus 4 moves the femur 65 of a human skeleton model 3 by moving the base 71, bend the hip 6, extension, adduction, abduction, to internal rotation and external rotation .

そして、股関節免荷具検査装置4では、股関節6を屈曲、伸展、内転、外転、内旋及び外旋させたときの6自由度での各角度を6自由度電気角度計9によって電気的に測定し、その可動域測定結果を可動域測定データとしてパーソナルコンピュータ5に順次送出する。 Then, the hip relieved instrument inspection apparatus 4, bending the hip joint 6, extension, adduction, abduction, electricity by the angle 6 DOF electrical angle meter 9 in six degrees of freedom when brought into internal rotation and external rotation to measure sequentially transmitted to the personal computer 5 and the range of motion measurements as range of motion measurement data.

これによりパーソナルコンピュータ5では、図5に示すように、股関節免荷具2(図中の例えばTypeA)を取り付けた股関節6について6自由度電気角度計9によって得られた可動域測定結果が、屈曲、伸展、内転、外転、内旋及び外旋毎にそれぞれ棒グラフにて表示部11に表示され、これよりユーザは股関節免荷具2を取り付けたときの股関節6の可動域をユーザに対して瞬時に認識できる。 Thus the personal computer 5, as shown in FIG. 5, the hip Men'nigu 2 For hip 6 attached (e.g. TypeA in the drawing) 6 DOF electrical angle meter 9 excursion measurement results obtained by the bending , extension, adduction, abduction, is displayed on the display unit 11 at each of the internal rotation and outer 旋毎 bar, to the user a range of motion of the hip joint 6 when this than users fitted with a hip Men'nigu 2 can be recognized instantly Te.

かくして股関節免荷具用可動評価システム1では、股関節免荷具2が日常生活で各種動作を行なえるような股関節の最適な可動域を確保できる股関節免荷具か否かを容易に判断できる。 Thus the hip relieving device movable evaluation system 1, the hip Men'nigu 2 can easily determine hip relieving device or that can ensure optimal range of motion of the hip joint as performed various operations in daily life.

そして、股関節免荷具検査装置4では、股関節免荷具2の他に、例えば自在継手を設けて可動性の制限を少なくした図示しない股関節免荷具(以下、これを単に股関節免荷具TypeBと呼ぶ)や、人体骨格模型3の姿勢によらずに免荷能力を発揮するように可動機構を配置した図示しない股関節免荷具(以下、これを単に股関節免荷具TypeCと呼ぶ)を順次人体骨格模型3に取り付け、これら股関節免荷具TypeB及びTypeCを取り付けたときの股関節6についてそれぞれ可動域を6自由度電気角度計9によって測定し、これを可動域測定データとしてパーソナルコンピュータ5へ送出する。 Then, the hip relieved instrument inspection apparatus 4, in addition to the hip Men'nigu 2, for example, freely reduced mobility limitations by providing a joint was not shown hip Men'nigu (hereinafter, simply hip Men'nigu TypeB this and called) and, hip Men'nigu not shown arranged movable mechanism to exert relieving capacity regardless of the posture of the human body skeleton model 3 (hereinafter, this simply referred to as a hip Men'nigu TypeC) sequentially attached to a human body skeleton model 3, each range of motion for the hip joint 6 when fitted with these hip Men'nigu TypeB and TypeC determined by six degrees of freedom electric goniometer 9, sends it to the personal computer 5 as a movable range measurement data to.

これによりパーソナルコンピュータ5では、股関節免荷具2や他の股関節免荷具TypeB及びTypeCについての全ての可動域測定結果が、棒グラフにて同時に表示部11に表示され、これよりユーザは股関節免荷具2や他の股関節免荷具TypeB及びTypeCの各可動能力を容易に比較して評価できる。 Thus the personal computer 5, the hip Men'nigu 2 and other hip Men'nigu TypeB and all excursion measurement results of TypeC is displayed on the display unit 11 at the same time by a bar graph, which from the user hip relieved the ingredients 2 and other hip Men'nigu TypeB and the movable capacity of TypeC can be evaluated easily compared.

これに加えて股関節免荷具検査装置4では、骨格模型支持手段7にヒンジ部88を設け、当該ヒンジ部88を介して人体骨格模型3の股関節の角度を適宜調節することができるようにしたことにより、直立位だけでなく、股関節6を屈曲させた状態や伸展させた状態等の各種状態を再現でき、この各種状態において股関節免荷具2を取り付けた股関節6がどの程度可動できるか否かについても6自由度電気角度計9によって容易に測定できる。 In hip relieving device testing apparatus 4 In addition to this, the hinge portion 88 provided in the skeleton model support means 7, which make it possible to adjust the angle of the hip joint of a human body skeleton model 3 as appropriate via the hinge portion 88 it will not only upright position, can be reproduced various states such as a state in which the hip joint 6 is the allowed state and extension flexion, whether it extent movable hip 6 fitted with a hip Men'nigu 2 in this various states It can be readily determined by six degrees of freedom electric goniometer 9 whether.

以上の構成によれば、人体骨格模型3の股関節6に股関節免荷具2を跨がせて取り付け、股関節6の可動域を6自由度電気角度計9によって測定するようにしたことにより、当該6自由度電気角度計9によって得られた可動域測定結果に基づいて股関節免荷具2を股関節6に取り付けたときに股関節6をどの程度可動できるか否かについて容易に認識させることができ、かくして股関節免荷具2の可動能力を容易に評価できる。 According to the above configuration, the attachment by cross the hip Men'nigu 2 hip 6 of the body skeleton model 3, by which is adapted to measure the range of motion of the hip joint 6 by 6 degrees of freedom electric angle gauge 9, the 6 hip Men'nigu 2 whether the hip 6 can extent movable can be easily recognized when attached to the hip 6 based on the obtained excursion measurement results obtained by freedom electric angle meter 9, Thus it can be easily evaluated movable capability of hip Men'nigu 2.

また、股関節6を所定方向に移動可能な基台71を設けるようにしたことにより、各種状態に股関節6を確実に可動させることができ、かくして股関節免荷具2を股関節6に取り付けたときに股関節6がどの程度可動できるか否かを6自由度電気角度計9によって容易に測定できる。 Also, by such a hip 6 providing base 71 movable in a predetermined direction, the hip joint 6 can be reliably moved in the various states, thus hip Men'nigu 2 when attached to a hip 6 whether hip 6 can extent movable can be easily measured by six degrees of freedom electric goniometer 9.

さらに、6自由度の角度を測定可能に構成されている6自由度電気角度計9を股関節6に設けるようにしたことにより、股関節免荷具2を取り付けた股関節6がどの程度可動するか否かを認識でき、かくして壊死を生じた大腿骨骨頭への負担を軽減するための股関節免荷具2の可動能力について容易に評価できる。 Furthermore, whether by 6 degrees of freedom of the angle measurably Configured 6 DOF electrical angle meter 9 was provided in the hip 6, hip 6 attached hip Men'nigu 2 degree to which the movable or the possible recognition, and thus can be easily evaluated for moving ability of the hip joint Men'nigu 2 to reduce the burden on the resulting necrosis femoral head.

さらに、6自由度電気角度計9をパーソナルコンピュータ5に電気的に接続する接続手段を備え、前記測定手段で得られた可動域測定データを接続手段としての有線10を介して電気的に接続するようにしたことにより、パーソナルコンピュータ5の表示部11に6自由度電気角度計9によって得られた可動域測定結果を表示させ、これにより可動域測定結果に基づいてユーザに対し股関節免荷具2の可動能力について容易に評価させることができる。 Further comprising a connecting means for electrically connecting the 6 DOF electrical angle meter 9 to the personal computer 5 are electrically connected via a wired 10 as a connection means movable range measurement data obtained by the measuring means by the the like, to display the range of motion measurement results obtained by the display unit 11 in six degrees of freedom electric goniometer 9 of the personal computer 5, thereby hip Men'nigu to the user based on the range of motion measurements 2 it can be readily assessed for moving capabilities.

なお、本発明は上記した実施例に限定されるものではなく、本発明の特許請求の範囲に記載した事項の範囲内で種々の変形実施をすることができ、骨格模型として各種動物の骨格模型を用いても良く、また関節として膝関節や肩関節等の各種関節を適用するようにしても良い。 The present invention is not limited to the embodiments described above, it is possible to make various modifications within the scope of the matters described in the claims of the present invention, the skeleton model various animals as skeleton model it may be used, or may be applied to various joints such as the knee joint or shoulder joint as joint.

さらに、上述した実施の形態においては、装置本体70内の底部に基台71を単に設けるようにした場合について述べたが、本発明はこれに限らず、装置本体70内の底部に股関節6を屈曲、伸展、内転、外転、内旋及び外旋させるように延びるレールを設け、このレール上に基台71を移動可能に設けるようにして良い。 Further, in the embodiment described above has dealt with the case of providing only the base 71 on the bottom of the apparatus body 70, the present invention is not limited to this, the hip 6 in the bottom of the apparatus body 70 flexion, extension, adduction, abduction, a rail extending so as to internal rotation and external rotation provided, the base 71 may be provided movably on the rail. この場合、基台71をレールに沿って移動させるだけで股関節6を確実に屈曲、伸展、内転、外転、内旋及び外旋させることができ、かくして基台71の移動方向を調整する作業を省くことができるので、その分ユーザの作業負担を軽減できる。 In this case, surely bend the hip 6 only moves along the base 71 to the rail, extension, adduction, abduction, it can be internal rotation and external rotation, thus adjusting the moving direction of the base 71 since it is possible to omit the work, it is possible to reduce the workload of the minute user.

さらに、上述した実施の形態においては、測定手段として6自由度電気角度計9を適用するようにした場合について述べたが、本発明はこれに限らず、要は股関節免荷具2を跨がせて取り付けた股関節6の可動域を測定できれば良く、この他種々の測定手段を適用するようにしても良い。 Further, in the embodiment described above has dealt with the case of applying the 6 DOF electrical angle meter 9 as a measuring means, the present invention is not limited to this, short hip Men'nigu 2 straddle were it is sufficient measuring range of motion of the hip joint 6 mounted, it may be applied to other various measuring means.

さらに、上述した実施の形態においては、パーソナルコンピュータ5の通知手段として表示部11を適用するようにした場合について述べたが、本発明はこれに限らず、スピーカ等この他種々の通知手段を適用するようにしても良く、この場合、ユーザはスピーカから出力される音声等によって股関節免荷具検査装置4の測定結果を認識することができる。 Further, in the embodiment described above has dealt with the case of applying the display unit 11 as a notification means of the personal computer 5, the present invention is not limited to this, a speaker, etc. apply various other notification means It may be, in this case, the user can recognize the measurement result of the hip relieving device testing apparatus 4 by the sound or the like to be output from the speaker.

股関節免荷具用可動評価システムの全体構成を示す概略図である。 It is a schematic diagram showing the overall structure of the movable evaluation system for hip relieving device. 股関節免荷具の全体構成を示す正面図及び正面断面図である。 It is a front view and a front sectional view showing the overall configuration of the hip Men'nigu. 股関節免荷具の全体構成を示す上面図及び側面図である。 It is a top view and a side view showing the overall configuration of the hip Men'nigu. 6自由度電気角度計の構成を示す斜視図である。 6 is a perspective view showing the structure of freedom electric goniometer. 股関節免荷具を取り付けた股関節の可動域を表すグラフである。 Is a graph showing the range of motion of the hip joint, fitted with a hip relieving device.

2 股関節免荷具3 人体骨格模型(骨格模型) 2 hip Men'nigu 3 human skeleton model (skeletal model)
4 股関節免荷具検査装置(関節免荷具検査装置) 4 hip relieving device testing apparatus (joints relieving device testing apparatus)
5 パーソナルコンピュータ(情報処理装置) 5 personal computer (information processing apparatus)
9 6自由度電気角度計(測定手段) 9 6 degrees of freedom electric goniometer (measuring means)
10 有線(接続手段) 10 wired (connection means)
71 基台(関節移動手段) 71 base plate (joint movement means)

Claims (3)

  1. 一の骨模型に関節免荷具の一端側が固定されると供に、他の骨模型に前記関節免荷具の他端側が固定され、前記一の骨模型及び前記他の骨模型の連結部分である前記関節模型を跨がせるように前記関節免荷具が取付可能な構成を有する骨格模型と、 To test and one end side of the joint relieving device is fixed to one of the bone model, the other bone model other end of the joint relieving device is fixed, connected portion of the one of the bone model and the other bone model a skeleton model of the joint model of the joint relieving device so as to straddle has a mountable construction is,
    前記関節免荷具を跨がせた前記関節模型の可動域を測定する測定手段とを備え And a measuring means for measuring the range of motion of the joint model that has straddle the joint relieving device,
    前記測定手段は、 It said measuring means,
    前記一の骨模型に固定した第1の固定部と、前記他の骨模型に固定した第2の固定部と、前記第1の固定部及び前記第2の固定部間に設けられ、前記関節模型を跨ぐように配置された回動測定機構とからなり、 A first fixing portion fixed to the one of the bone model, and a second fixing portion fixed to the other bone model, provided between the first fixing portion and the second fixing portion, the joint consists of a deployed pivoted measurement mechanism so as to straddle the model,
    前記回動測定機構は、 The rotation measuring mechanism,
    互いに直交するX軸、Y軸及びZ軸の3軸方向の並進変位と、各前記3軸方向の各軸回りの回転変位とを測定することにより、前記関節免荷具が取り付けられた状態で前記関節模型の可動域を測定する X-axis orthogonal to each other, and translational displacement in the three axial directions of the Y-axis and Z-axis, by measuring the rotational displacement of the axis of each of said three axial directions, in a state where the joint relieving device is attached measuring the range of motion of the joint model
    ことを特徴とする関節免荷具検査装置。 Joint relieving device inspection apparatus characterized by.
  2. 前記骨格模型を支持する骨格模型支持手段が上部に設けられていると供に、 To test a skeleton model support means for supporting said skeleton model is provided on the upper,
    前記他の骨模型を所定方向に移動させる関節移動手段が底部に設けられた装置本体を備え、 Articulation means for moving the other bone model in a predetermined direction comprising a device body provided in the bottom portion,
    前記骨格模型は、前記一の骨模型が腸骨模型であり、前記他の骨模型が大腿骨模型であり、前記関節模型が股関節模型であって、 The skeleton model is the one of the bone model is iliac model, the other bone model is the femur model, the joint model is a hip model,
    前記骨格模型支持手段は、 The skeletal model support means,
    前記装置本体に一体形成された支持部材と、該支持部材にヒンジ部を介して連結された保持部材とからなり、前記保持部材に前記骨格模型の腰椎模型が固定され、前記ヒンジ部により前記腸骨模型の角度が選定可能に構成されている A support member integrally formed on the apparatus body consists of a holding member connected via a hinge portion to the support member, lumbar model of the skeleton model is fixed to the holding member, the intestine by the hinge portion and is configured to be selected is the angle of the bone model
    ことを特徴とする請求項1記載の関節免荷具検査装置。 Joint relieving device testing apparatus of claim 1, wherein a.
  3. 前記測定手段は、表示部を有する情報処理装置と電気的に接続する接続手段を備え、前記測定手段で得られた可動域測定データを前記接続手段を介して前記情報処理装置へ送出し、 It said measuring means comprises an information processing apparatus and connecting means for electrically connecting with a display unit, a range of motion measurement data obtained by the measurement means through said connection means transmits to the information processing apparatus,
    前記測定手段によって得られた可動域測定データを基に、前記股関節模型を屈曲、伸展、内転、外転、内旋及び外旋させたときの各可動域測定結果を前記表示部に表示させる Based on the range of motion measurement data obtained by said measuring means, bend the hip model, extension, adduction, and displays abduction, each excursion measurement results obtained by internal rotation and external rotation on the display unit
    ことを特徴とする請求項記載の関節免荷具検査装置。 Joint relieving device inspection apparatus according to claim 2, wherein a.
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