JP4249646B2 - Medical instrument holder - Google Patents

Medical instrument holder Download PDF

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JP4249646B2
JP4249646B2 JP2004093699A JP2004093699A JP4249646B2 JP 4249646 B2 JP4249646 B2 JP 4249646B2 JP 2004093699 A JP2004093699 A JP 2004093699A JP 2004093699 A JP2004093699 A JP 2004093699A JP 4249646 B2 JP4249646 B2 JP 4249646B2
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medical instrument
lower member
instrument holder
upper member
shaft
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JP2005278717A5 (en
JP2005278717A (en
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禎之 川嶋
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メイラ株式会社
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Description

本発明は、大腿骨等の骨に医療用器具を保持するための医療用器具保持具に関するものである。   The present invention relates to a medical instrument holder for holding a medical instrument on a bone such as a femur.

一般に、大腿骨頚部を骨折した場合の骨接合術においては、まず、ラグスクリューを大腿骨骨頭内に挿入した後、ラグスクリュー固定用のチューブプレートを大腿骨に密着させ、骨保持器でチューブプレートを仮固定した後、コーティカルスクリューを用いてプレートを本固定することが行われている。従来の骨保持器としては、大腿骨及びチューブプレートとを狭持する狭持部と、狭持部による狭持状態を固定する固定部とを備えているものがある。このような骨保持器を用いてチューブプレートを大腿骨に仮固定すると、骨保持器の後端側が術者側に突き出した状態となるため、チューブプレートにコーティカルスクリューを固定する際の妨げになるおそれがある(非特許文献1)。
関節外科(基礎と臨床)第21巻・第12号(メジカルビュー社発行)
In general, in osteosynthesis when the neck of the femur is fractured, first the lag screw is inserted into the femoral head, the tube plate for fixing the lag screw is brought into close contact with the femur, and the tube plate is used with a bone holder. After temporarily fixing the plate, the plate is permanently fixed using a cortical screw. As a conventional bone holder, there is a bone holder that includes a holding portion that holds the femur and the tube plate, and a fixing portion that fixes a holding state by the holding portion. If the tube plate is temporarily fixed to the femur using such a bone holder, the rear end side of the bone holder protrudes to the operator side, which hinders the fixing of the cortical screw to the tube plate. (Non-Patent Document 1).
Joint Surgery (Basic and Clinical) Vol. 21, No. 12 (published by Medical View)

そこで、本発明は、上記問題点を解決するものであり、医療用器具を固定する際に妨げになることがない医療用器具保持具を提供するものである。   Then, this invention solves the said problem, and provides the medical instrument holder which does not become obstructive when fixing a medical instrument.

上記目的を達成するものは以下のものである。
(1) 医療用器具を骨に保持するための医療用器具保持具であって、該医療用器具保持具は、前側部分と、該前側部分の後方に着脱可能に取り付けられる後側部分を備え、前記前側部分は、上側部材と下側部材とを有し、先端部に設けられた医療用プレート及び骨を挟持するための挟持部を有する本体部と、前記上側部材に対して前記下側部材を固定する固定部と、前記本体部の基端部に設けられた連結部および接続部とを備え、前記上側部材は、先端部に設けられた挟持部形成部と、基端部に設けられた前記後側部分との前記連結部とを備え、前記下側部材は、先端部に設けられた挟持部形成部と、基端部に設けられた前記接続部とを備え、前記下側部材は前記上側部材に対して前後にスライド可能なものであり、かつ、前記固定部により前記上側部材に対して前記下側部材を固定可能となっており、そして、前記挟持部は、前記上側部材の前記挟持部形成部と前記下側部材の前記挟持部形成部とにより構成されており、かつ、前記固定部は前記医療用プレート及び前記骨を前記挟持部が狭持した状態で前記上側部材に対して前記下側部材を固定可能であり、前記後側部分は、前記上側部材の前記連結部に対して着脱可能の後側部分側の連結部および支持部とを備える本体部と、先端部に設けられた前記前側部材の前記接続部と接続するための接続部を備え、かつ、前記本体部の前記支持部に支持され、前記前側部分の前記挟持部による挟持を調節するシャフト状の付加部とを備え、前記前側部分の前記下側部材の前記接続部は、前記シャフト状の付加部の前記接続部を挿入可能な挿入路を備え、かつ、該挿入路の先端側は、前記シャフト状の付加部の前記接続部により押圧可能に閉塞しており、さらに、前記上側部材の前記連結部および前記後側部分側の前記本体部の前記連結部は、互いに嵌合し合う嵌合部を備え、該嵌合部は、前記シャフト状の付加部の前記接続部による押圧力が付加される方向とは異なる方向から嵌合し合うものとなっており、前記前側部分と前記後側部分とは、前記シャフト状の付加部の前記接続部を前記前側部分より取り外した後、前記後側部分と前記前側部分との前記連結部の嵌合部を外すことにより、着脱可能となっている医療用器具保持具。
(2) 前記医療用器具保持具の前記前側部分の長さは、15cm以下である上記(1)に記載の医療用器具保持具。
The following objects are achieved.
(1) A medical instrument holder for holding a medical instrument on a bone, the medical instrument holder comprising a front part and a rear part detachably attached to the rear of the front part The front portion includes an upper member and a lower member, a medical plate provided at a distal end portion, a main body portion having a clamping portion for clamping a bone, and the lower side with respect to the upper member A fixing portion for fixing a member; and a connecting portion and a connecting portion provided at a proximal end portion of the main body portion, and the upper member is provided at a clamping portion forming portion provided at a distal end portion and a proximal end portion. The connecting portion with the rear portion, and the lower member includes a sandwiching portion forming portion provided at a distal end portion and the connecting portion provided at a proximal end portion, The member is slidable back and forth with respect to the upper member, and the fixing portion The lower member can be fixed to the upper member, and the clamping part is constituted by the clamping part forming part of the upper member and the clamping part forming part of the lower member. And the fixing part can fix the lower member to the upper member in a state where the clamping part holds the medical plate and the bone, and the rear part is the upper member. A connecting portion for connecting to the connecting portion of the front member provided at the front end portion, and a main body portion including a connecting portion and a supporting portion on the rear portion side that can be attached to and detached from the connecting portion. And a shaft-shaped additional part that is supported by the support part of the main body part and adjusts the clamping of the front part by the clamping part, and the connecting part of the lower member of the front part is the shaft Can be inserted into the connection part An insertion path is provided, and a distal end side of the insertion path is closed by the connecting portion of the shaft-shaped additional portion so as to be able to be pressed, and further on the connecting portion and the rear portion side of the upper member. The connecting portion of the main body includes a fitting portion that fits to each other, and the fitting portion is fitted from a direction different from a direction in which a pressing force is applied by the connecting portion of the shaft-shaped additional portion. The front side portion and the rear side portion are connected to each other after the connecting portion of the shaft-shaped additional portion is removed from the front side portion, and then the rear side portion and the front side portion are A medical instrument holder that is detachable by removing the fitting portion of the connecting portion.
(2) The medical instrument holder according to (1), wherein the length of the front portion of the medical instrument holder is 15 cm or less.

(3)前記シャフト状の付加部は、前記固定部により前記上側部材と前記下側部材とが固定されていない状態で、前記前側部分と接続して前記下側部材を調節可能なものであり、かつ前記固定部により前記上側部材と前記下側部材とが固定された状態で、前記前側部分から前記後側部分を取り外し可能となっている上記(1)または(2)に記載の医療用器具保持具。
(4)前記シャフト状の付加部の前記接続部は、溝部を備え、前記下側部材の前記接続部は、前記溝部と係合する係合部を備えており、前記下側部材の前記係合部と前記シャフト状の付加部の前記溝部とが係合した状態にて、前記シャフト状の付加部を後方に進行させると、前記下側部材が牽引され後方にスライドするものであり、前記固定部により前記下側部材と前記上側部材とが固定された状態で、前記シャフト状の付加部を後方に進行させると、前記係合部が前記溝部を乗り越えて係合が解除されるものとなっている上記(1)ないし(3)のいずれかに記載の医療用器具保持具。
(5)前記本体部の前記支持部は、内面にねじ溝を有する貫通路を備え、前記シャフト状の付加部は、前記貫通路を貫通するとともに、前記ねじ溝と螺合するねじ山を備えている上記(1)ないし(3)のいずれかに記載の医療用器具保持具。
(6)前記下側部材の前記挿入路は、前記下側部材の基端より先端方向に延びるものであり、前記上側部材および前記後側部分側の前記本体部の嵌合部は、前記上側部材の軸方向と直交する横方向からスライドさせて嵌合させるものである上記(1)ないし(3)のいずれかに記載の医療用器具保持具。
(7)前記下側部材の前記挿入路は、前記下側部材の基端より先端方向に延びるものであり、前記上側部材および前記後側部分側の前記本体部の嵌合部は、前記上側部材の軸方向と直交する上下方向から嵌合させるものである上記(1)ないし(3)のいずれかに記載の医療用器具保持具。
(3) The shaft-shaped additional portion is capable of adjusting the lower member by connecting to the front portion in a state where the upper member and the lower member are not fixed by the fixing portion. The medical device according to (1) or (2), wherein the rear portion can be removed from the front portion in a state where the upper member and the lower member are fixed by the fixing portion . Instrument holder.
(4) The connecting portion of the shaft-shaped additional portion includes a groove portion, and the connecting portion of the lower member includes an engaging portion that engages with the groove portion, and the engagement of the lower member. In a state where the joint portion and the groove portion of the shaft-shaped additional portion are engaged, when the shaft-shaped additional portion is advanced backward, the lower member is pulled and slides backward, In a state where the lower member and the upper member are fixed by the fixing portion, when the shaft-shaped additional portion is advanced backward, the engagement portion gets over the groove and the engagement is released. The medical instrument holder according to any one of (1) to (3).
(5) The support portion of the main body includes a through passage having a thread groove on an inner surface, and the shaft-shaped additional portion includes a screw thread that penetrates the through passage and is screwed with the screw groove. The medical instrument holder according to any one of (1) to (3) above.
(6) The insertion path of the lower member extends in a distal direction from a proximal end of the lower member, and the fitting portion of the main body portion on the upper member and the rear portion side is the upper portion. The medical instrument holder according to any one of the above (1) to (3), which is slid and fitted from a lateral direction perpendicular to the axial direction of the member.
(7) The insertion path of the lower member extends in a distal direction from a base end of the lower member, and the fitting portion of the main body portion on the upper member and the rear portion side is the upper side. The medical instrument holder according to any one of the above (1) to (3), which is fitted from the vertical direction orthogonal to the axial direction of the member.

本発明は、医療用器具を骨に保持するための医療用器具保持具であって、該医療用器具保持具は、前記医療用器具を骨に接触させた状態で該骨及び該医療用器具を挟持するための狭持部と、前記骨及び前記医療用器具を狭持した状態で前記狭持部を固定するための固定部とを備える前側部分と、該前側部分の後方に設けられ前記挟持部による挟持を調節するための調節部を備える後側部分と、前記前側部分及び前記後側部分に設けられ該後側部分を前記前側部分に着脱可能に取りつけるための連結部とを備えている。
このため、本発明の医療用器具保持具を用いれば、医療用器具の固定をする際に妨げになることがない。また、本発明によれば後側部分を取り外すことにより、術者側に突出する部分が短くなる。
The present invention is a medical instrument holder for holding a medical instrument on a bone, the medical instrument holder being in contact with the bone and the medical instrument in a state where the medical instrument is in contact with the bone A front portion including a sandwiching portion for sandwiching the bone, and a fixing portion for fixing the sandwiching portion in a state where the bone and the medical instrument are sandwiched, and provided behind the front portion. A rear portion provided with an adjustment portion for adjusting the holding by the holding portion; and a connecting portion provided in the front portion and the rear portion for removably attaching the rear portion to the front portion. Yes.
For this reason, if the medical instrument holder of this invention is used, it will not become obstructive when fixing a medical instrument. Moreover, according to this invention, the part which protrudes to an operator side becomes short by removing a rear side part.

本発明の実施例である医療用器具保持具について添付図面を用いて説明する。
図1は、本発明の実施例である医療用器具保持具の斜視図であり、図2は、図1に示す医療用器具保持具の側面図であり、図3は、図2に示す医療用器具保持具の部分拡大図であり、図4は、図1に示す医療用器具保持具の上面図であり、図5は、図1に示す医療用器具保持具の底面図であり、図6は、図1に示す医療用器具保持具の前側部分と後側部分とを分離した状態の図であり、図8は、医療用器具保持具の使用方法を説明するための説明図である。
本発明の医療用器具35を骨40に保持するための医療用器具保持具1は、医療用器具35を骨40に接触させた状態で骨40及び医療用器具35を挟持するための狭持部3と、骨40及び医療用器具35を狭持した状態で狭持部3を固定するための固定部4とを備える前側部分2と、前側部分2の後方に設けられ挟持部3による挟持を調節するための調節部6を備える後側部分5と、前側部分2及び後側部分5に設けられ後側部分5を前側部分2に着脱可能に取りつけるための連結部7とを備えている。
A medical instrument holder which is an embodiment of the present invention will be described with reference to the accompanying drawings.
1 is a perspective view of a medical instrument holder that is an embodiment of the present invention, FIG. 2 is a side view of the medical instrument holder shown in FIG. 1, and FIG. 3 is a medical instrument shown in FIG. FIG. 4 is a partially enlarged view of the medical instrument holder, FIG. 4 is a top view of the medical instrument holder shown in FIG. 1, and FIG. 5 is a bottom view of the medical instrument holder shown in FIG. 6 is a diagram showing a state where the front side portion and the rear side portion of the medical instrument holder shown in FIG. 1 are separated, and FIG. 8 is an explanatory diagram for explaining a method of using the medical instrument holder. .
The medical instrument holder 1 for holding the medical instrument 35 of the present invention on the bone 40 is a holding mechanism for sandwiching the bone 40 and the medical instrument 35 in a state where the medical instrument 35 is in contact with the bone 40. A front part 2 having a part 3 and a fixing part 4 for fixing the holding part 3 in a state where the bone 40 and the medical instrument 35 are held, and sandwiched by the holding part 3 provided behind the front part 2 A rear portion 5 having an adjustment portion 6 for adjusting the height, and a connecting portion 7 provided on the front portion 2 and the rear portion 5 for detachably attaching the rear portion 5 to the front portion 2. .

本発明の医療用器具保持具1は、図1に示すように、挟持部3と固定部4とを備える前側部分2と、調整部6を備える後側部分5と、前側部分2及び後側部分5に設けられた連結部7とを備えている。
医療用器具35としては、例えば、骨接合術に使用されるスクリュー固定用の医療用プレートが挙げられる。具体的に、医療用器具35としては、図8に示すように、大腿骨頚部骨折の際の骨接合術に使用されるラグスクリュー固定用のチューブプレート、つば付きチューブプレート等であることが好ましい。本発明の実施例の医療用器具保持具1は、図8に示すように、大腿骨頚部骨折の際の骨接合術に使用されるチューブプレート35を大腿骨40に保持(仮止め)するために使用される。
前側部分2は、図1に示すように、上側部材12と下側部材13とを有する本体部11と、固定部4とにより構成されている。本体部11は、先端部に設けられた医療用プレート35及び骨40を挟持するための挟持部3と、基端部に設けられた連結部7aと、基端部に設けられた接続部8とを備えている。
As shown in FIG. 1, the medical instrument holder 1 of the present invention includes a front part 2 including a clamping part 3 and a fixing part 4, a rear part 5 including an adjustment part 6, a front part 2, and a rear side. And a connecting portion 7 provided in the portion 5.
Examples of the medical device 35 include a medical plate for screw fixation used for osteosynthesis. Specifically, as shown in FIG. 8, the medical instrument 35 is preferably a tube plate for fixing a lag screw, a tube plate with a collar, or the like used for osteosynthesis in the case of a femoral neck fracture. . As shown in FIG. 8, the medical instrument holder 1 according to the embodiment of the present invention is used to hold (temporarily fix) a tube plate 35 used for osteosynthesis at the time of femoral neck fracture to the femur 40. Used for.
As shown in FIG. 1, the front portion 2 includes a main body portion 11 having an upper member 12 and a lower member 13 and a fixing portion 4. The main body 11 includes a sandwiching portion 3 for sandwiching the medical plate 35 and the bone 40 provided at the distal end portion, a connecting portion 7a provided at the proximal end portion, and a connecting portion 8 provided at the proximal end portion. And.

上側部材12は、図1,図2に示すように、縦長の平板部12aと、平板部12aの先端部に設けられた挟持部形成部3aと、平板部12aの基端部に設けられた連結部7aとを備えている。また、上側部材12の平板部12aには、図1,図3に示すように、軸方向に延びる孔14が形成されている。孔14は、上側部材12に対して下側部材13がスライドするために使用されるスライド用の孔である。また、下側部材13は、図1,図2に示すように、縦長の平板部13aと、平板部13aの先端部に設けられた挟持部形成部3bと、基端部に設けられた接続部8とを備えている。下側部材13の上面は、上側部材12の底面と接触しており、下側部材13は、上側部材12に対して前後にスライド可能なものとなっている。具体的に、下側部材13の上部に設けられたT字状の案内部材37を孔14に掛かり合わせることにより、下側部材13は、上側部材12から離脱せず、かつ孔14に沿って前後にスライド可能なように取りつけられている。また、下側部材13の上側には、溝部が形成され、溝部には、後述する係合部8bが取り付けられている。   As shown in FIGS. 1 and 2, the upper member 12 is provided at a vertically long flat plate portion 12a, a sandwiching portion forming portion 3a provided at the distal end portion of the flat plate portion 12a, and a base end portion of the flat plate portion 12a. And a connecting portion 7a. Further, as shown in FIGS. 1 and 3, a hole 14 extending in the axial direction is formed in the flat plate portion 12 a of the upper member 12. The hole 14 is a sliding hole used for the lower member 13 to slide with respect to the upper member 12. 1 and 2, the lower member 13 includes a vertically long flat plate portion 13a, a sandwiching portion forming portion 3b provided at the distal end portion of the flat plate portion 13a, and a connection provided at the base end portion. Part 8. The upper surface of the lower member 13 is in contact with the bottom surface of the upper member 12, and the lower member 13 can slide back and forth with respect to the upper member 12. Specifically, when the T-shaped guide member 37 provided on the upper side of the lower member 13 is engaged with the hole 14, the lower member 13 does not separate from the upper member 12 and extends along the hole 14. It is mounted so that it can slide back and forth. In addition, a groove is formed on the upper side of the lower member 13, and an engaging portion 8b described later is attached to the groove.

狭持部3は、図1に示す実施例では、医療用器具35と骨40を挟持するためのクランプとなっている。狭持部3は、上述した挟持部形成部3aと挟持部形成部3bにより構成されている。また、挟持部3は、図1,図2に示すように、前方に形成された前側挟持部形成部3aと後方に形成された後側挟持部形成部3bからなり、前側挟持部形成部3aもしくは後側挟持部形成部3bが前後にスライドすることにより、挟持部形成部間に骨40及び医療用器具35を挟持するものである。本発明の実施例では、後方に形成された挟持部形成部3bが前後にスライドすることにより、骨40及び医療用器具35を挟持するものとなっている。
挟持部形成部3aと挟持部形成部3bの内側形状は、挟持対象となる医療用器具35を骨に対して確実に保持可能な構成をしていればいかなる形状であってもよい。本発明の実施例において、挟持部形成部3a,3bの内側形状は、大腿骨40の外側面42に医療用プレート35を密着させた状態で、骨40及び医療用器具35を狭持可能な形状をしていればよい。本発明の実施例では、挟持部形成部3a,3bの内側形状は、大腿骨40の側面42を確実に挟持可能な湾曲形状となっている。
In the embodiment shown in FIG. 1, the sandwiching portion 3 is a clamp for sandwiching the medical instrument 35 and the bone 40. The sandwiching part 3 includes the above-described sandwiching part forming part 3a and the sandwiching part forming part 3b. As shown in FIGS. 1 and 2, the clamping part 3 includes a front clamping part forming part 3a formed at the front and a rear clamping part forming part 3b formed at the rear, and the front clamping part forming part 3a. Or the back side clamping part formation part 3b slides back and forth, and the bone 40 and the medical instrument 35 are clamped between the clamping part formation parts. In the embodiment of the present invention, the holding portion forming portion 3b formed at the rear slides back and forth, thereby holding the bone 40 and the medical instrument 35.
The inner shape of the sandwiching portion forming portion 3a and the sandwiching portion forming portion 3b may be any shape as long as the medical device 35 to be sandwiched can be securely held against the bone. In the embodiment of the present invention, the sandwiching portion forming portions 3a and 3b can be sandwiched between the bone 40 and the medical device 35 with the medical plate 35 in close contact with the outer surface 42 of the femur 40. What is necessary is just to have a shape. In the embodiment of the present invention, the inner shape of the clamping part forming portions 3a and 3b is a curved shape that can securely clamp the side face 42 of the femur 40.

挟持部3は、後述する調節部6により狭持が調節されるものである。挟持部3は、調節部6により後方側から押圧もしくは牽引力が付加される。具体的に、調節部6により押圧もしくは牽引されることにより、挟持部形成部3bを有する下側部材13が上側部材12に対して前後にスライドするため、挟持部3の締結及び締結の解除が調節される。
挟持部形成部3a,3bの内面には、図1,図5に示すように、骨40及び医療用器具35を確実に挟持可能なように、滑り止め部9が形成されていることが好ましい。具体的に、図1に示すように、挟持部3の内面には、複数の突起部9が形成されている。なお、滑り止め部としては、挟持部の内面に形成されたリブ、凹凸であってもよい。
The clamping part 3 is adjusted by the adjusting part 6 described later. The clamping unit 3 is pressed or pulled by the adjusting unit 6 from the rear side. Specifically, since the lower member 13 having the sandwiching portion forming portion 3b slides back and forth with respect to the upper member 12 by being pressed or pulled by the adjusting portion 6, the clamping portion 3 is fastened and released. Adjusted.
As shown in FIGS. 1 and 5, it is preferable that an anti-slip portion 9 is formed on the inner surfaces of the holding portion forming portions 3 a and 3 b so that the bone 40 and the medical device 35 can be securely held. . Specifically, as shown in FIG. 1, a plurality of protrusions 9 are formed on the inner surface of the sandwiching portion 3. In addition, as a slip prevention part, the rib formed in the inner surface of the clamping part and an unevenness | corrugation may be sufficient.

接続部8は、図3に示すように、後述する調節部6を構成する付加部19の先端部に設けられた接続部18が挿入される挿入路8aと、接続部18と係合する係合部8bとを備えている。挿入路8aの先端側は、接続部18により押圧可能なように閉塞している。このような構成により、挿入路8aに付加部19の接続部18が挿入された状態で、付加部19を前方に進行させると、接続部18が挿入路8aの先端側内壁と接触して、下側部材13(挟持部形成部3b)が押圧され前方にスライドするものとなっている。係合部8bは、図3に示すように、挿入路8aの上側付近に取りつけられ先端部が下方に折れ曲がった薄板である。この折れ曲がり部分が接続部18の係合部23と係合している。   As shown in FIG. 3, the connecting portion 8 includes an insertion path 8 a into which a connecting portion 18 provided at a distal end portion of an additional portion 19 constituting the adjusting portion 6 to be described later is inserted, and an engagement with the connecting portion 18. And a joint portion 8b. The distal end side of the insertion path 8 a is closed so that it can be pressed by the connecting portion 18. With such a configuration, when the connecting portion 18 of the additional portion 19 is inserted into the insertion path 8a and the additional portion 19 is advanced forward, the connecting portion 18 comes into contact with the inner wall on the distal end side of the insertion path 8a. The lower member 13 (clamping part forming part 3b) is pressed and slides forward. As shown in FIG. 3, the engaging portion 8 b is a thin plate that is attached near the upper side of the insertion path 8 a and has a distal end portion bent downward. This bent portion is engaged with the engaging portion 23 of the connecting portion 18.

また、係合部8bと調節部6を構成する付加部19の先端部に設けられた接続部18とは係合しているため、付加部19を後方に進行させると、下側部材13(挟持部形成部3b)が牽引され後方にスライドするものとなっている。また、係合部8bが実施例のような構成であれば、固定部4により下側部材13を上側部材12に対して固定した状態で、付加部19を後方に進行させると、係合部8b(折れ曲がり部)が溝部23を乗り越えて係合が解除される。これにより、前側部分2から調節部6を取り外すことができる。なお、前側部分2には、付加部19の接続部18と係合する係合部が設けられていなくてもよい。例えば、下側部材の基端部に上述したような挿入路もしくは窪みのみが形成されているものであってもよい。   Moreover, since the engaging part 8b and the connection part 18 provided in the front-end | tip part of the addition part 19 which comprises the adjustment part 6 are engaging, if the addition part 19 is advanced back, the lower member 13 ( The clamping part forming part 3b) is pulled and slides backward. Further, if the engaging portion 8b is configured as in the embodiment, when the additional portion 19 is advanced backward in a state where the lower member 13 is fixed to the upper member 12 by the fixing portion 4, the engaging portion 8b (bent part) gets over the groove part 23 and the engagement is released. Thereby, the adjustment part 6 can be removed from the front side part 2. Note that the front portion 2 may not be provided with an engaging portion that engages with the connecting portion 18 of the additional portion 19. For example, only the insertion path or the depression as described above may be formed at the base end portion of the lower member.

固定部4は、図1,図5に示すように、挟持部3が骨40及び医療用器具35を挟持した状態で固定するための手段である。本発明の実施例において、固定部4は、上側部材12に対して下側部材13(もしくは下側部材13に対して上側部材12)を固定するための手段である。固定部4により固定した状態では、下側部材13の上面は上側部材12の底面に対して押しつけられるため、上側部材12に対して下側部材13がスライドできなくなり挟持部3の挟持状態が維持される。固定部4は、前側部分2に着脱可能に取り付けられていることが好ましい。本発明の実施例において、固定部4は、骨40及び医療用器具35を保持する操作の際、前側部分2の本体部11から取り外されており、骨40及び医療用器具35を保持した後に前側部分2に取りつけられ挟持部3の挟持状態を固定する操作に使用される。   As shown in FIGS. 1 and 5, the fixing portion 4 is means for fixing the pinching portion 3 in a state where the bone 40 and the medical instrument 35 are pinched. In the embodiment of the present invention, the fixing portion 4 is means for fixing the lower member 13 to the upper member 12 (or the upper member 12 to the lower member 13). When fixed by the fixing portion 4, the upper surface of the lower member 13 is pressed against the bottom surface of the upper member 12, so that the lower member 13 cannot slide with respect to the upper member 12, and the holding state of the holding portion 3 is maintained. Is done. It is preferable that the fixing | fixed part 4 is attached to the front side part 2 so that attachment or detachment is possible. In the embodiment of the present invention, the fixing portion 4 is removed from the main body portion 11 of the front portion 2 during the operation of holding the bone 40 and the medical device 35, and after holding the bone 40 and the medical device 35. It is attached to the front part 2 and used for an operation of fixing the clamping state of the clamping part 3.

本発明の実施例において、固定部4は、下側部材13に設けられた螺合部15と、螺合部15と螺合する螺合部16とを下端部に備えるT字状のハンドル24からなる。螺合部15は、下側部材13を上下方向に貫通するねじ穴であり、孔14と重なる位置に形成されている。螺合部16は、下側部材13から下端側に延びるねじ部であり、孔14を介して螺合部15と螺合している。また、ハンドル24の下端部は、孔14の横幅より大きく作製され、固定部4により締結した状態では、上側部材12の上面と接触するものとなっている。このような構成により、ハンドル24を締結方向に回転させると、ハンドル24の下端と下側部材13の上面との距離が縮まり、ハンドル17の下端部が上側部材12の上面と接触して下側部材13が上側部材12に対して固定される。   In the embodiment of the present invention, the fixing portion 4 has a T-shaped handle 24 having a screwing portion 15 provided on the lower member 13 and a screwing portion 16 screwed with the screwing portion 15 at the lower end. Consists of. The screwing portion 15 is a screw hole that penetrates the lower member 13 in the vertical direction, and is formed at a position overlapping the hole 14. The threaded portion 16 is a threaded portion that extends from the lower member 13 to the lower end side, and is threadedly engaged with the threaded portion 15 through the hole 14. The lower end portion of the handle 24 is made larger than the lateral width of the hole 14, and comes into contact with the upper surface of the upper member 12 when fastened by the fixing portion 4. With such a configuration, when the handle 24 is rotated in the fastening direction, the distance between the lower end of the handle 24 and the upper surface of the lower member 13 is reduced, and the lower end portion of the handle 17 comes into contact with the upper surface of the upper member 12 to The member 13 is fixed with respect to the upper member 12.

固定部4(ハンドル24)は、本発明の実施例では、前側部分2に着脱可能に取り付けられる。以上のような構成により、狭持部3が骨40及び医療用器具35を確実に保持した状態で、固定部4を用いて狭持部3の挟持状態を維持することができる。また、固定部4は、前側部分2の本体部11の上側に配置されていることが好ましい。本発明の実施例において、ハンドル24は、前側部分2の本体部11の上側に直交するように配置されているため、チューブプレート35のスクリュー固定操作の際に妨げになることがない。なお、本発明の実施例において、ハンドル24は、上述したT字状の案内部材37の後方に取り付けられている。   The fixing | fixed part 4 (handle 24) is attached to the front side part 2 so that attachment or detachment is possible in the Example of this invention. With the above-described configuration, the holding portion 3 can be maintained in the sandwiched state using the fixing portion 4 while the holding portion 3 securely holds the bone 40 and the medical instrument 35. Moreover, it is preferable that the fixing | fixed part 4 is arrange | positioned above the main-body part 11 of the front side part 2. As shown in FIG. In the embodiment of the present invention, the handle 24 is arranged so as to be orthogonal to the upper side of the main body portion 11 of the front portion 2, so that it does not hinder the screw fixing operation of the tube plate 35. In the embodiment of the present invention, the handle 24 is attached behind the T-shaped guide member 37 described above.

なお、骨40及び医療用器具35の保持操作を行うとき、医療用器具1は、固定部4により締結されていない状態で行われる。なお、固定部としては、上述したようなものに限定されず、狭持部が骨及び医療用器具を狭持した状態を保持可能なものであればいかなるものであってもよい。例えば、固定部は、下側部材が上側部材に対して後方に逆戻りしないようにするラチェット機構であってもよい。このような機構の場合、調節部により押圧力を付加することにより、骨及び医療用器具の挟持状態が保持される。また、この場合、固定部は、挟持を解除する機構を必要とする。   Note that when the holding operation of the bone 40 and the medical instrument 35 is performed, the medical instrument 1 is performed in a state where it is not fastened by the fixing portion 4. In addition, as a fixing | fixed part, it is not limited to what was mentioned above, What kind of thing may be sufficient as long as the holding | grip part can hold | maintain the state which pinched | interposed the bone and the medical instrument. For example, the fixing portion may be a ratchet mechanism that prevents the lower member from returning backward to the upper member. In the case of such a mechanism, the clamping state of the bone and the medical instrument is maintained by applying a pressing force by the adjusting unit. In this case, the fixing portion needs a mechanism for releasing the clamping.

後側部分5は、図1に示すように、連結部7bと、調節部6とを備えている。調節部6は、図1に示すように、挟持形成部3bに押圧力もしくは牽引力を付加するための付加部19と、付加部19を支持するための支持部17とからなる。本発明の実施例において、調節部6は、後側の挟持部形成部3bに押圧力もしくは牽引力を付加することにより、挟持部3の挟持状態を調節するものとなっている。支持部17は、後側部分5の基端部に設けられている。後側部分5の先端部及び基端部を除く部分は、縦長の平板部(本体部)5aとなっている。平板部(本体部)5aの幅及び厚みは、前側部分2の平板部12aの幅及び厚みとほぼ同じとなっている。医療用器具1は、図1に示すように、前側部分2と後側部分5とが連結した状態において、前側部分2と後側部分5とが、ほぼ同軸上となることが好ましい。 As shown in FIG. 1, the rear portion 5 includes a connecting portion 7 b and an adjusting portion 6. As shown in FIG. 1, the adjustment unit 6 includes an addition unit 19 for applying a pressing force or a traction force to the sandwiching formation unit 3 b and a support unit 17 for supporting the addition unit 19. In the embodiment of the present invention, the adjusting unit 6 adjusts the clamping state of the clamping unit 3 by applying a pressing force or a traction force to the rear clamping unit forming unit 3b. The support portion 17 is provided at the proximal end portion of the rear portion 5. A portion excluding the distal end portion and the base end portion of the rear portion 5 is a vertically long flat plate portion (main body portion) 5a. The width and thickness of the flat plate portion (main body portion) 5a are substantially the same as the width and thickness of the flat plate portion 12a of the front portion 2. As shown in FIG. 1, in the medical instrument 1, it is preferable that the front part 2 and the rear part 5 are substantially coaxial in a state where the front part 2 and the rear part 5 are connected.

支持部17は、本体部(平板部)5aの下側に設けられている。本発明の実施例において、支持部17には、内面にねじ溝が形成された貫通路21が形成されている。貫通路21は、支持部17を軸方向に貫通している。貫通路21は、上述した前側部分2の挿入路8aと同軸上に形成されている。このため、貫通路21に支持された付加部19の先端部は、挿入路8aに挿入可能となっている。 The support portion 17 is provided below the main body portion (flat plate portion) 5a. In the embodiment of the present invention, the support portion 17 is formed with a through passage 21 having an inner surface formed with a thread groove. The through passage 21 penetrates the support portion 17 in the axial direction. The through passage 21 is formed coaxially with the insertion passage 8a of the front portion 2 described above. For this reason, the front-end | tip part of the addition part 19 supported by the penetration path 21 can be inserted in the insertion path 8a.

付加部19は、図1に示すように、シャフト状に形成されており、先端部に設けられた前側部材2の接続部8と接続する接続部18と、基端部に設けられ付加部19を操作するための操作部36と、接続部18と操作部36との間に設けられた貫通路21のねじ溝と螺合するねじ山22とを備えている。接続部18は、図6に示すように、挿入路8aに挿入し易いように先端に向かって縮径していることが好ましい。また、接続部18には、接続部8の係合部8bと係合する係合部23が設けられている。係合部23は、本発明の実施例では、円周方向に形成された溝部23である。溝部23は、図3に示すように、接続部18の係合部8bと係合するものとなっている。本発明では係合部が溝部23であるため、溝部23と接続部8の係合部8bとが係合した状態で、付加部19が回転可能となっている。   As shown in FIG. 1, the additional portion 19 is formed in a shaft shape. The additional portion 19 is connected to the connecting portion 8 of the front member 2 provided at the distal end portion, and the additional portion 19 is provided at the proximal end portion. And a screw thread 22 that is screwed into a thread groove of the through passage 21 provided between the connecting portion 18 and the operation portion 36. As shown in FIG. 6, the connecting portion 18 is preferably reduced in diameter toward the tip so that it can be easily inserted into the insertion path 8 a. Further, the connecting portion 18 is provided with an engaging portion 23 that engages with the engaging portion 8b of the connecting portion 8. In the embodiment of the present invention, the engaging portion 23 is a groove portion 23 formed in the circumferential direction. As shown in FIG. 3, the groove 23 is engaged with the engaging portion 8 b of the connecting portion 18. In the present invention, since the engaging portion is the groove portion 23, the additional portion 19 is rotatable in a state where the groove portion 23 and the engaging portion 8b of the connecting portion 8 are engaged.

操作部36は、円盤状に形成されている。また、円盤状の操作部36の円周面には、滑り止め部が形成されていることが好ましい。以上のような構成により、操作部36を回転させると、付加部19は、支持部17に対して前方もしくは後方に進行するものとなっている。具体的には、操作部36を回転させて付加部19を前方に進行させると、接続部18により下側部材13が押圧され狭持部形成部3bが前方に移動する。操作部36を回転させて付加部19を後方に進行させると、下側部材13が牽引され挟持部形成部3bが後方に移動する。このように付加部19を操作して、挟持部3の締結操作もしくは締結の解除操作を行うことができる。   The operation unit 36 is formed in a disk shape. Further, it is preferable that an anti-slip portion is formed on the circumferential surface of the disk-like operation portion 36. With the configuration described above, when the operation unit 36 is rotated, the addition unit 19 advances forward or backward with respect to the support unit 17. Specifically, when the operation unit 36 is rotated to advance the adding unit 19 forward, the lower member 13 is pressed by the connecting unit 18 and the sandwiching portion forming unit 3b moves forward. When the operation part 36 is rotated to advance the adding part 19 backward, the lower member 13 is pulled and the clamping part forming part 3b moves backward. In this way, by operating the adding portion 19, the fastening operation of the clamping unit 3 or the fastening release operation can be performed.

調節部6(付加部19)は、図1に示すように、固定部4により固定されていない状態で、前側部分2と接続して挟持部3による挟持を調節可能なものであり、かつ固定部4により固定された状態で、前側部分2から取り外し可能となっていることが好ましい。
本発明の実施例においては、固定部4により固定されていない状態で、接続部8の係合部8bと接続部18の係合部23とが係合していることにより、調節部6により挟持部3の挟持が調節可能である。一方、固定部4により狭持状態が固定された状態で、付加部19を後方に進行させることにより、上述したように、係合部8と係合部23との係合が解除されるため、前側部分2から取り外し可能となっている。本発明において前側部分2と調節部6(付加部19)は、固定部4により固定されていない状態では解除されず、固定部4により固定されている状態で解除可能な程度の接続力により接続されていること好ましい。
As shown in FIG. 1, the adjustment unit 6 (addition unit 19) can be connected to the front side portion 2 and can be clamped by the clamping unit 3 and fixed without being fixed by the fixing unit 4. It is preferable that the front part 2 can be removed while being fixed by the part 4.
In the embodiment of the present invention, when the engaging portion 8b of the connecting portion 8 and the engaging portion 23 of the connecting portion 18 are engaged with each other without being fixed by the fixing portion 4, the adjusting portion 6 The clamping of the clamping part 3 can be adjusted. On the other hand, as described above, the engagement between the engaging portion 8 and the engaging portion 23 is released by advancing the additional portion 19 in a state where the holding state is fixed by the fixing portion 4. The front part 2 can be removed. In the present invention, the front part 2 and the adjustment part 6 (addition part 19) are not released when they are not fixed by the fixing part 4, but are connected by a connection force that can be released when they are fixed by the fixing part 4. It is preferable that

また、本発明の調整部6は、挟持部形成部3b(下側部材13)に対して後方から押圧力もしくは牽引力を付加することにより挟持状態を調整するものであるため、確実に挟持部3による挟持を行うことができる。特に、調整部6の付加部19は、後方から前後にスライドする挟持部形成部3bを押圧することができるため、挟持部3により強固に骨40及び医療用器具35を挟持することができる。   Moreover, since the adjustment part 6 of this invention adjusts a clamping state by adding pressing force or traction force from back to the clamping part formation part 3b (lower side member 13), the clamping part 3 reliably. Can be held. In particular, since the additional portion 19 of the adjusting portion 6 can press the holding portion forming portion 3b that slides back and forth from the rear, the holding portion 3 can firmly hold the bone 40 and the medical instrument 35.

次に、前側部分2と後側部分5とを連結する着脱可能な連結部7について説明する。着脱可能な連結部7を有することにより、骨40及び医療用器具35を狭持する際は、前側部分2と後側部分5とが連結した状態で保持操作を行うことができ、狭持後は、後側部分5を前側部分2から取り外すことができる。連結部7は、前側部分2の基端部及び後側部分5の先端部に設けられ互いに嵌合し合う嵌合部7であることが好ましい。また、嵌合部7は、調節部6により押圧力もしくは牽引力が付加される方向とは異なる方向から嵌合し合う構成を有していることが好ましい。このような構成により、調節部6による押圧力及び牽引力により連結部7の連結が解除されないものとなる。嵌合部7は、特に、調節部6により押圧力もしくは牽引力が付加される方向とはほぼ直交する方向から嵌合し合う構成を有していることが好ましい。また、嵌合部7は、調節部6により付加される押圧力もしくは牽引力により医療用器具1が曲がらないような構成を有していることが好ましい。   Next, the detachable connecting part 7 that connects the front part 2 and the rear part 5 will be described. By having the detachable connecting portion 7, when holding the bone 40 and the medical instrument 35, the holding operation can be performed in a state where the front side portion 2 and the rear side portion 5 are connected. Can remove the rear part 5 from the front part 2. It is preferable that the connection part 7 is the fitting part 7 which is provided in the base end part of the front side part 2, and the front-end | tip part of the rear side part 5, and mutually fits. Moreover, it is preferable that the fitting part 7 has the structure which fits from the direction different from the direction where pressing force or traction force is added by the adjustment part 6. FIG. With such a configuration, the connection of the connecting portion 7 is not released by the pressing force and traction force of the adjusting portion 6. In particular, the fitting portion 7 preferably has a configuration in which the fitting portion 7 is fitted from a direction substantially orthogonal to the direction in which the pressing force or traction force is applied by the adjusting portion 6. Moreover, it is preferable that the fitting part 7 has a structure in which the medical instrument 1 is not bent by the pressing force or traction force applied by the adjusting part 6.

本発明の実施例の連結部7は、図6に示すように、前側部分2の基端部に設けられた前側嵌合部7aと、後側部分の先端部に設けられた後側嵌合部7bとにより構成されている。前側嵌合部7aと後側嵌合部7bは、互いに対応する形状となっている。前側嵌合部7aは、上側部材12の平板部12aの下側部分と連続する平板部25と、平板部25の上面に軸方向とは直交する方向に設けられた断面が略楕円形状の2本のリブ26とからなる。後側嵌合部7bは、後側部材5の平板部(本体部)5aの上側部分と連続する平板部27と平板部27の下面に設けられた2本のリブに対応する形状の溝部28とからなる。本発明の実施例の嵌合部7は、直交する横方向からスライドさせて嵌合させるものである。 As shown in FIG. 6, the connecting portion 7 according to the embodiment of the present invention includes a front fitting portion 7 a provided at the base end portion of the front portion 2 and a rear fitting provided at the tip portion of the rear portion. Part 7b. The front fitting part 7a and the rear fitting part 7b have shapes corresponding to each other. The front fitting portion 7a has a flat plate portion 25 continuous with the lower portion of the flat plate portion 12a of the upper member 12, and a cross section provided on the upper surface of the flat plate portion 25 in a direction orthogonal to the axial direction. It consists of a rib 26 of a book. The rear fitting portion 7b includes a flat plate portion 27 which is continuous with the upper portion of the flat plate portion (main body portion) 5a of the rear member 5 and a groove portion 28 having a shape corresponding to two ribs provided on the lower surface of the flat plate portion 27. It consists of. The fitting portion 7 according to the embodiment of the present invention is slid and fitted from the transverse direction orthogonal to each other.

また、嵌合部29としては、図7および以下に示すような軸方向に対して直交する上下方向から嵌合し合う構成を有していてもよい。嵌合部29は、前側部分2の基端部に設けられた前側嵌合部29aと、後側部分5の先端部に設けられた後側嵌合部29bにより構成されている。前側嵌合部29aと後側嵌合部29bは、互いに対応する形状となっている。前側嵌合部29aは、上側部材12の平板部12aの下側部分と連続する平板部32と、平板部32の上面に設けられた軸方向に配置された2つの円柱状の突出部31とからなる。また、後側嵌合部29bは、後側部材の平板部(本体部)5aの上側部分と連続する平板部33と平板部33の下面に設けられた2本のシリンダー状の孔34とからなる。このような構成により、前側嵌合部29aと後側嵌合部29bは、上下方向から嵌合させることができる。これらの2つの実施例の嵌合部は、調節部により押圧力もしくは牽引力が付加される方向とはほぼ直交する方向から嵌合し合う構成をしている。また、これら嵌合部は、調節部により付加される押圧力もしくは牽引力により医療用器具が曲がらないような構成をしている。 Moreover, as the fitting part 29, you may have a structure which fits from the up-down direction orthogonal to an axial direction as shown in FIG. 7 and the following. The fitting portion 29 includes a front fitting portion 29 a provided at the base end portion of the front portion 2 and a rear fitting portion 29 b provided at the distal end portion of the rear portion 5. The front fitting part 29a and the rear fitting part 29b have shapes corresponding to each other. The front fitting portion 29a includes a flat plate portion 32 that is continuous with the lower portion of the flat plate portion 12a of the upper member 12, and two columnar protrusions 31 that are provided on the upper surface of the flat plate portion 32 and are arranged in the axial direction. Consists of. The rear fitting portion 29b includes a flat plate portion 33 continuous with the upper portion of the flat plate portion (main body portion) 5a of the rear member and two cylindrical holes 34 provided on the lower surface of the flat plate portion 33. Become. With such a configuration, the front fitting portion 29a and the rear fitting portion 29b can be fitted from above and below. The fitting portions of these two embodiments are configured to fit together from a direction substantially perpendicular to the direction in which the pressing force or traction force is applied by the adjusting portion. Further, these fitting portions are configured such that the medical instrument is not bent by the pressing force or traction force applied by the adjusting portion.

また、医療用器具保持具1の前側部分2の長さは、15cm以下であることが好ましい。この程度の長さであれば、医療用器具1は、骨40及び医療用器具35の保持操作した後のスクリュー固定操作の妨げになることがない。特に、骨40及び医療用器具35を保持された部分に隣接する部位にドリリングをし、スクリューを挿入する際にも妨げになることがない。本発明の実施例の大腿骨頚部骨折の際の骨接合術に使用される医療用器具保持具1の全長(医療用器具1の先端から調節部6の付加部19の後端)は、例えば、20cm〜23cm程度である。また、医療用器具1は、図8に示すように、骨40及び医療用器具35を挟持した状態の後側部分5を取り外した長さから挟持部3を除いた部分の長さが、骨40及び医療用器具35を挟持した状態の前側部分2及び後側部分5により構成された医療用器具保持具1から挟持部3を除いた部分の長さの半分以下の長さとなることが好ましい。半分以下の長さとなれば、医療用器具1は、骨40及び医療用器具35の保持操作した後のスクリュー固定操作の妨げになることがない。また、本発明のように保持操作の際に医療用器具保持具1がある程度の長さを有していれば、医療用器具保持具1を確実に担持して保持操作を行うことができるため、保持操作が行い易いものとなる。   Moreover, it is preferable that the length of the front part 2 of the medical instrument holder 1 is 15 cm or less. If it is this length, the medical device 1 will not interfere with the screw fixing operation after holding the bone 40 and the medical device 35. In particular, drilling is performed at a site adjacent to the portion where the bone 40 and the medical device 35 are held, and the screw is not hindered. The total length of the medical instrument holder 1 used for osteosynthesis at the time of femoral neck fracture according to the embodiment of the present invention (from the front end of the medical instrument 1 to the rear end of the additional portion 19 of the adjusting unit 6) is, for example, 20 cm to 23 cm. In addition, as shown in FIG. 8, the medical instrument 1 has a length of a part excluding the clamping part 3 from a length obtained by removing the rear part 5 in a state where the bone 40 and the medical instrument 35 are clamped. Preferably, the length is equal to or less than half the length of the portion excluding the clamping part 3 from the medical instrument holder 1 constituted by the front part 2 and the rear part 5 in a state where the 40 and the medical instrument 35 are clamped. . If the length is less than half, the medical device 1 does not hinder the screw fixing operation after holding the bone 40 and the medical device 35. Moreover, if the medical instrument holder 1 has a certain length during the holding operation as in the present invention, the medical instrument holder 1 can be reliably supported and the holding operation can be performed. The holding operation is easy to perform.

次に、本発明の実施例の使用方法について説明する。
大腿骨頚部が骨折したときの骨接合術を例にとり説明する。骨折箇所は、図8に示す符号41により示されている。まず、大腿部39の側面を切開して大腿骨側面42を露出させ、ガイドピンを介してラグスクリュー43を大腿骨骨頭44内に挿入して、大腿骨側面42の所定の位置にチューブプレート35を配置する。その後、固定用ハンドル24が取り外された医療用器具(前側部分2と後側部分5が連結された医療用器具)1を用いてチューブプレート35及び大腿骨40を狭持部3により挟み、そして、調節部6の操作部36を回転させ手前側の挟持部形成部3bを押し出して、チューブプレート35を大腿骨40の側面42に仮止めする。そして、前側部分2にハンドル24を取りつけ、回転させることにより挟持部3の挟持状態を固定する。
Next, a method of using the embodiment of the present invention will be described.
An example of osteosynthesis when the femoral neck fractures will be described. The fracture location is indicated by reference numeral 41 shown in FIG. First, an incision is made on the side surface of the thigh 39 to expose the side surface 42 of the femur, and a lag screw 43 is inserted into the femoral head 44 via a guide pin, and a tube plate is placed at a predetermined position on the side surface 42 of the femur. 35 is arranged. Thereafter, the tube plate 35 and the femur 40 are sandwiched between the nipping portions 3 using the medical instrument 1 (the medical instrument in which the front part 2 and the rear part 5 are connected) 1 from which the fixing handle 24 is removed, and Then, the operation part 36 of the adjustment part 6 is rotated to push out the front-side clamping part forming part 3b to temporarily fix the tube plate 35 to the side face 42 of the femur 40. Then, the handle 24 is attached to the front portion 2 and rotated to fix the clamping state of the clamping unit 3.

その後、操作部36を挟持部3の締結方向とは反対側に回転させることにより、調節部6の接続部18を前側部分2から取り外す。そして、後側部分5を前側部分2に対して横にスライドさせることにより、後側部分5を前側部分2から取り外す。この状態で、狭持部3を除いた前側部分2の長さは、挟持部3を除いた前側部分2及び後側部分5の長さ(取り外す前の長さ)の半分以下の長さとなっている。この状態で、コーティカルスクリュー45のための下穴をドリリングし、図8に示すように、ドライバーによりコーティカルスクリュー45をねじ込むことによりチューブプレート35を固定する。本発明によれば後側部分を取り外すことにより、術者側に突出する部分が短くなるため、チューブプレート35を固定する際の妨げになることがない。特に、本発明を用いれば、狭持部3により狭持した部分の隣接部位にてコーティカルスクリュー固定操作を行う際においても医療用器具保持具が邪魔になることがない。   Then, the connection part 18 of the adjustment part 6 is removed from the front side part 2 by rotating the operation part 36 to the opposite side to the fastening direction of the clamping part 3. Then, the rear part 5 is removed from the front part 2 by sliding the rear part 5 sideways with respect to the front part 2. In this state, the length of the front part 2 excluding the holding part 3 is not more than half the length of the front part 2 and the rear part 5 excluding the clamping part 3 (the length before removal). ing. In this state, a pilot hole for the cortical screw 45 is drilled, and the tube plate 35 is fixed by screwing the cortical screw 45 with a screwdriver as shown in FIG. According to the present invention, by removing the rear side portion, the portion protruding to the operator side is shortened, so that there is no hindrance when the tube plate 35 is fixed. In particular, when the present invention is used, the medical instrument holder does not get in the way even when performing a cortical screw fixing operation at a portion adjacent to the portion held by the holding portion 3.

コーティカルスクリュー固定操作後、再び、後側部分5を前側部分2に連結して、固定部4による固定を解除して、操作部36を反対方向に回転させることにより、大腿骨40及びチューブプレート35の狭持を解除し、医療用器具1を取り外す。これにより、チューブプレート35の固定操作が終了する。なお、コーティカルスクリュー固定操作後に、後側部分を再び取り付けずに、固定部4の固定を解除して、固定用ハンドル24を後方にスライドさせることにより挟持を解除して医療用器具1を取り外してもよい。また、固定部4を最初から前側部分2に取りつけたまま上記と同様の操作を行ってもよい。 After the coating screw fixing operation, the rear part 5 is connected to the front part 2 again, the fixing by the fixing part 4 is released, and the operating part 36 is rotated in the opposite direction, whereby the femur 40 and the tube plate 35 is released and the medical instrument 1 is removed. Thereby, the fixing operation of the tube plate 35 is completed. After the operation of fixing the cortical screw, the fixing portion 4 is released without reattaching the rear portion, and the holding handle 24 is slid backward to release the pinch and remove the medical instrument 1. May be. Moreover, you may perform operation similar to the above, attaching the fixing | fixed part 4 to the front side part 2 from the beginning.

図1は、本発明の実施例である医療用器具保持具の斜視図である。FIG. 1 is a perspective view of a medical instrument holder that is an embodiment of the present invention. 図2は、図1に示す医療用器具保持具の側面図である。FIG. 2 is a side view of the medical instrument holder shown in FIG. 図3は、図2に示す医療用器具保持具の部分拡大図である。FIG. 3 is a partially enlarged view of the medical instrument holder shown in FIG. 図4は、図1に示す医療用器具保持具の上面図である。FIG. 4 is a top view of the medical instrument holder shown in FIG. 図5は、図1に示す医療用器具保持具の底面図である。FIG. 5 is a bottom view of the medical instrument holder shown in FIG. 1. 図6は、図1に示す医療用器具保持具の前側部分と後側部分を分離した状態図である。FIG. 6 is a state diagram in which the front part and the rear part of the medical instrument holder shown in FIG. 1 are separated. 図7は、本発明の他の実施例の医療用器具保持具を構成する連結部を示す図である。FIG. 7 is a view showing a connecting portion constituting a medical instrument holder according to another embodiment of the present invention. 図8は、医療用器具保持具の使用方法を説明するための説明図である。FIG. 8 is an explanatory diagram for explaining a method of using the medical instrument holder.

符号の説明Explanation of symbols

1 医療用器具保持具
2 前側部分
3 狭持部
4 固定部
5 後側部分
6 調節部
7 連結部
35 医療用器具
40 骨
DESCRIPTION OF SYMBOLS 1 Medical instrument holder 2 Front part 3 Clamping part 4 Fixing part 5 Rear part 6 Adjustment part 7 Connection part 35 Medical instrument 40 Bone

Claims (7)

医療用器具を骨に保持するための医療用器具保持具であって、該医療用器具保持具は、前側部分と、該前側部分の後方に着脱可能に取り付けられる後側部分を備え、
前記前側部分は、上側部材と下側部材とを有し、先端部に設けられた医療用プレート及び骨を挟持するための挟持部を有する本体部と、前記上側部材に対して前記下側部材を固定する固定部と、前記本体部の基端部に設けられた連結部および接続部とを備え、前記上側部材は、先端部に設けられた挟持部形成部と、基端部に設けられた前記後側部分との前記連結部とを備え、前記下側部材は、先端部に設けられた挟持部形成部と、基端部に設けられた前記接続部とを備え、前記下側部材は前記上側部材に対して前後にスライド可能なものであり、かつ、前記固定部により前記上側部材に対して前記下側部材を固定可能となっており、そして、前記挟持部は、前記上側部材の前記挟持部形成部と前記下側部材の前記挟持部形成部とにより構成されており、かつ、前記固定部は前記医療用プレート及び前記骨を前記挟持部が狭持した状態で前記上側部材に対して前記下側部材を固定可能であり、
前記後側部分は、前記上側部材の前記連結部に対して着脱可能の後側部分側の連結部および支持部とを備える本体部と、先端部に設けられた前記前側部材の前記接続部と接続するための接続部とを備え、かつ、前記本体部の前記支持部に支持され、前記前側部分の前記挟持部による挟持を調節するシャフト状の付加部とを備え、
前記前側部分の前記下側部材の前記接続部は、前記シャフト状の付加部の前記接続部を挿入可能な挿入路を備え、かつ、該挿入路の先端側は、前記シャフト状の付加部の前記接続部により押圧可能に閉塞しており、さらに、前記上側部材の前記連結部および前記後側部分側の前記本体部の前記連結部は、互いに嵌合し合う嵌合部を備え、該嵌合部は、前記シャフト状の付加部の前記接続部による押圧力が付加される方向とは異なる方向から嵌合し合うものとなっており、前記前側部分と前記後側部分とは、前記シャフト状の付加部の前記接続部を前記前側部分より取り外した後、前記後側部分と前記前側部分との前記連結部の嵌合部を外すことにより、着脱可能となっていることを特徴とする医療用器具保持具。
A medical instrument holder for holding a medical instrument on a bone, the medical instrument holder comprising a front part and a rear part detachably attached to the rear of the front part,
The front portion includes an upper member and a lower member, a medical plate provided at a distal end portion, a main body portion having a holding portion for holding a bone, and the lower member with respect to the upper member A connecting portion and a connecting portion provided at a proximal end portion of the main body portion, and the upper member is provided at a clamping portion forming portion provided at a distal end portion and a proximal end portion. The lower side member includes a sandwiching portion forming portion provided at a distal end portion and the connecting portion provided at a proximal end portion, and the lower member. Is slidable forward and backward with respect to the upper member, and the lower member can be fixed to the upper member by the fixing portion, and the clamping portion is formed of the upper member. The clamping part forming part and the clamping part forming part of the lower member. And has, and the fixing portion is fixable said lower member to said upper member to the medical plate and the bone in a state in which the clamping portion is sandwiched,
The rear portion includes a main body portion including a connecting portion and a support portion on the rear side portion that can be attached to and detached from the connecting portion of the upper member, and the connecting portion of the front member provided at a front end portion. A connecting portion for connecting, and supported by the support portion of the main body portion, and a shaft-shaped additional portion that adjusts the clamping of the front portion by the clamping portion,
The connecting portion of the lower member of the front portion includes an insertion path into which the connecting portion of the shaft-shaped additional portion can be inserted, and a distal end side of the insertion path is formed of the shaft-shaped additional portion. The connecting portion is pressed so as to be pressed, and the connecting portion of the upper member and the connecting portion of the main body portion on the rear portion side include a fitting portion that fits together, and the fitting The joint portion fits from a direction different from the direction in which the pressing force by the connecting portion of the shaft-shaped additional portion is applied, and the front portion and the rear portion are the shaft After the connecting portion of the additional portion is removed from the front portion, it is detachable by removing the fitting portion of the connecting portion between the rear portion and the front portion. Medical instrument holder.
前記医療用器具保持具の前記前側部分の長さは、15cm以下である請求項1に記載の医療用器具保持具。 The medical instrument holder according to claim 1, wherein a length of the front portion of the medical instrument holder is 15 cm or less. 前記シャフト状の付加部は、前記固定部により前記上側部材と前記下側部材とが固定されていない状態で、前記前側部分と接続して前記下側部材を調節可能なものであり、かつ前記固定部により前記上側部材と前記下側部材とが固定された状態で、前記前側部分から前記後側部分を取り外し可能となっている請求項1または2に記載の医療用器具保持具。 The shaft-shaped additional portion is connected to the front portion and is capable of adjusting the lower member in a state where the upper member and the lower member are not fixed by the fixing portion, and The medical instrument holder according to claim 1 or 2, wherein the rear portion can be removed from the front portion in a state where the upper member and the lower member are fixed by a fixing portion . 前記シャフト状の付加部の前記接続部は、溝部を備え、前記下側部材の前記接続部は、前記溝部と係合する係合部を備えており、前記下側部材の前記係合部と前記シャフト状の付加部の前記溝部とが係合した状態にて、前記シャフト状の付加部を後方に進行させると、前記下側部材が牽引され後方にスライドするものであり、前記固定部により前記下側部材と前記上側部材とが固定された状態で、前記シャフト状の付加部を後方に進行させると、前記係合部が前記溝部を乗り越えて係合が解除されるものとなっている請求項1ないし3のいずれかに記載の医療用器具保持具。The connecting portion of the shaft-shaped additional portion includes a groove portion, and the connecting portion of the lower member includes an engaging portion that engages with the groove portion, and the engaging portion of the lower member, When the shaft-shaped additional portion is moved backward in a state where the groove portion of the shaft-shaped additional portion is engaged, the lower member is pulled and slides backward, and the fixing portion When the lower member and the upper member are fixed, when the shaft-shaped additional portion is advanced rearward, the engagement portion gets over the groove and the engagement is released. The medical instrument holder according to any one of claims 1 to 3. 前記本体部の前記支持部は、内面にねじ溝を有する貫通路を備え、前記シャフト状の付加部は、前記貫通路を貫通するとともに、前記ねじ溝と螺合するねじ山を備えている請求項1ないし3のいずれかに記載の医療用器具保持具。The support portion of the main body portion includes a through passage having a thread groove on an inner surface, and the shaft-shaped additional portion includes a thread that penetrates the through passage and is screwed with the thread groove. Item 4. The medical instrument holder according to any one of Items 1 to 3. 前記下側部材の前記挿入路は、前記下側部材の基端より先端方向に延びるものであり、前記上側部材および前記後側部分側の前記本体部の嵌合部は、前記上側部材の軸方向と直交する横方向からスライドさせて嵌合させるものである請求項1ないし3のいずれかに記載の医療用器具保持具。The insertion path of the lower member extends in the distal direction from the base end of the lower member, and the fitting portion of the main body portion on the upper member and the rear portion side is a shaft of the upper member. The medical instrument holder according to any one of claims 1 to 3, wherein the medical instrument holder is fitted by being slid from a lateral direction perpendicular to the direction. 前記下側部材の前記挿入路は、前記下側部材の基端より先端方向に延びるものであり、前記上側部材および前記後側部分側の前記本体部の嵌合部は、前記上側部材の軸方向と直交する上下方向から嵌合させるものである請求項1ないし3のいずれかに記載の医療用器具保持具。The insertion path of the lower member extends in the distal direction from the base end of the lower member, and the fitting portion of the main body portion on the upper member and the rear portion side is a shaft of the upper member. The medical instrument holder according to any one of claims 1 to 3, wherein the medical instrument holder is fitted from a vertical direction perpendicular to the direction.
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