JP2001187990A - Medical connecting member - Google Patents

Medical connecting member

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Publication number
JP2001187990A
JP2001187990A JP37527299A JP37527299A JP2001187990A JP 2001187990 A JP2001187990 A JP 2001187990A JP 37527299 A JP37527299 A JP 37527299A JP 37527299 A JP37527299 A JP 37527299A JP 2001187990 A JP2001187990 A JP 2001187990A
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Japan
Prior art keywords
direction
cylinder
outer cylinder
member
female screw
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JP37527299A
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Japanese (ja)
Inventor
Susumu Minezaki
進 峰崎
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Ookisu:Kk
株式会社オーキス
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Priority to JP37527299A priority Critical patent/JP2001187990A/en
Publication of JP2001187990A publication Critical patent/JP2001187990A/en
Application status is Withdrawn legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To provide a safe and reliable medical connecting member having no danger of being unlocked in any case because there is a danger that a patient itself or a third person such as visitor touches the connection part of a medical tool by mischief to consciously or unconsciously release the lock of the connection part in the absence of a medically engaged person during a hospital treatment such as installation requiring a long time in a sickroom. SOLUTION: This member comprises a first tube body 2 and second tube body 3 which can be mutually fitted, a female screw member 4 provided on one of the tube bodies, and a male screw member 5 provided on the other. The female screw member 4 is rotated in the closing direction but idled in the loosening direction, so that the lock is never loosened even if the connection part is touched by mischief.

Description

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

【0001】 [0001]

【発明の属する技術分野】本発明は、治療分野において使用する医療用接続部材に係わり、詳しくは簡易に確実に接続でき、いったん接続後は接続部が意識、無意識に外される危険のない安全性の高い医療用接続部材に関するものである。 The present invention relates to relates to a medical connection member for use in therapeutic field, it details simple to be securely connected and once after connection consciousness connections, without risk of detached unintentionally Safety it relates highly sexual medical connection member.

【0002】 [0002]

【従来の技術】病院等の治療現場において、複数の医療用具、例えば、輸液セットと延長チューブを接続使用することがある。 BACKGROUND OF THE INVENTION Treatment site such as a hospital, a plurality of medical devices, for example, be connected using an infusion set with an extension tube. これら複数の医療用具の接続はルアーテーパ等の共通すり合わせ面を嵌合させるだけのものが多いが、治療中に外れる危険があるため、雌ねじと雄ねじとの螺合を利用したロック手段を持ったものも種々出現している。 Although only often connections of the plurality of medical devices fitting the common ground joint surface such as a Luer taper, because of the risk that outside during treatment, those having a locking means utilizing screwing between the female screw and the male screw are various appearance also.

【0003】 [0003]

【発明が解決しようとする課題】しかしながら、入院による病室で長時間を要する点滴などの治療を施すとき、 The object of the invention is to be Solved However, when subjected to a treatment, such as intravenous drip that takes a long time in the hospital room hospitalization,
医療従事者による管理は間欠(付きっ切りでない)となり、その医療従事者の不在時に、患者自身若しくは見舞者などの第三者が、医療用具の接続部をいたずらに触れたりすることがあり、意識又は無意識にその接続部のロックが外される危険があり、薬液等の注入不足や細菌による汚染の問題も生じていた。 Health care workers by the management is (not a constant attendance) intermittent next, in the absence of the health care workers, a third party, such as a patient's own or sympathy person, may or unnecessarily touch the connection part of the medical device, There is a danger of consciousness or unconsciously lock of the connection portion is removed, it had also caused a problem of contamination by injection shortage and bacteria such as a chemical solution. また、患者自身の行動、 In addition, the patient's own behavior,
例えば、輸液セットの先端(針)が接続している腕を動かす等によりロックが自然に緩んで外れる危険も少なからずあった。 For example, the lock had no small danger departing loose spontaneously by such moving arm tip of the infusion set (needle) is connected.

【0004】本発明は、上記の課題を解消するためのもので、その目的とするところは、医療用具の接続部を簡易かつ確実に固定できるとともに、いったん接続したら患者自身や見舞者などの第三者の意識、無意識により外される危険のない安全性、信頼性の高い医療用接続部材を提供することにある。 [0004] The present invention is intended to solve the above problems, and an object, with the connecting portion of the medical device can be fixed easily and reliably, a, such as a patient's own or sympathy's Once connected tripartite consciousness, non-hazardous safety disengaged by unconscious, is to provide a highly reliable medical connection member. また、他の目的は、上記安全性や信頼性を確保するほか、接続後に全く外すことが出来なくなってしまうことを避けるため、付加的な行為を伴わせる条件の下に接続解除ができる医療用接続部材を提供することにある。 It is another object of the present invention, in addition to ensure the safety and reliability, in order to avoid that it becomes impossible to remove completely after the connection, for medical use can disconnect under the conditions that accompanied the additional act and to provide a connecting member.

【0005】 [0005]

【課題を解決するための手段】上記目的を達成するため、本発明は、互いに嵌合できる第一管体と第二管体とを有し、該両管体の一方に雌ねじ部材を設け、他方に雄ねじ部材を設けてなり、これらねじ部材は閉め込み方向には回転し、緩め方向には空回りするようにし、接続部をいたずらに触れたとしてもロックが緩むことがないように構成した。 To achieve the above object, according to an aspect of the present invention has a first tube and a second tube that can mate with each other, the female screw member provided on one of the both tube, on the other hand the result is provided a male screw member, rotate in a direction narrowing closing these threaded members, so as to idle in the loosening direction, it was also constructed so as not to lock loosening a connection as a vain touched.

【0006】また、請求項2に記載の発明は、前記雌ねじ部材が、外筒と、該外筒内に円周方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に、外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる係合手段を設けたことを特徴とし、閉め込む方向には回転し、緩め方向には空回りする構成を簡易な機構により実現できるようにした。 [0006] Further, an invention according to claim 2, wherein the female screw member is made of an outer cylinder, and slidably fitted internal thread cylinder circumferentially within the outer cylinder, the outer cylinder and the internal thread between the cylinder, the outer cylinder engaged with each other when rotated in one direction, when rotated in the other direction characterized in that a engagement means become disengaged in the direction screwing and can be realized by a simple mechanism structure rotates, it idles in the loosening direction.

【0007】さらに、請求項3に記載の発明は、前記雌ねじ部材が、外筒と、該外筒内に円周方向及び軸方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる第一係合手段を設けるとともに、前記外筒か雌ねじ筒を軸方向に摺動させた位置で外筒と雌ねじ筒との間に互いに係合できる第二係合手段を設けたことを特徴とし、閉め込む方向には回転し、緩め方向には空回りする構成に加え、必要なときには付加的な行為を伴うことにより接続の解除が可能なようにした。 Furthermore, the invention according to claim 3, wherein the female screw member is made of an outer tube, a female screw cylinder fitted slidably in the circumferential direction and the axial direction in the outer cylinder, the outer with the outer tube between the cylinder and the female screw cylinder engage each other when rotated in one direction, when rotated in the other direction is provided a first engagement means comprising a non-engagement, or the outer cylinder a female screw cylinder characterized in that a second engaging means engageable with each other between the outer cylinder and the internal thread cylinder at a position slide axially and rotate in the direction of screwing, the loosening direction in addition to the construction of idling, when needed and so capable of releasing a connection by with additional acts.

【0008】さらにまた、請求項4に記載の発明は、前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、他方向に回転させたときは非係合になる係合手段を設けたことを特徴とし、雄ねじ部材側に外筒を設けても前記請求項2に記載の発明と同様の機能を発揮できるように構成した。 [0008] Further, an invention according to claim 4, wherein the male screw member has an outer cylinder, engages the female screw member when rotating the outer cylinder in one direction, the rotation in the other direction when allowed to is characterized in that a engagement means become disengaged, even if the outer cylinder is provided on the male screw member side is configured to exhibit the invention similar features according to claim 2.

【0009】さらにまた、請求項5に記載の発明は、前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、他方向に回転させたときは非係合になる第三係合手段を設けるとともに、 [0009] Further, an invention according to claim 5, wherein the male screw member has an outer cylinder, engages the female screw member when rotating the outer cylinder in one direction, the rotation in the other direction provided with a third engaging means comprising a disengaged when he is,
前記外筒か雌ねじ部材を軸方向に摺動させた位置で外筒と雌ねじ部材との間に互いに係合できる第四係合手段を設けたことを特徴とし、雄ねじ部材側に外筒を設けても前記請求項3に記載の発明と同様の機能を発揮できるように構成した。 Characterized in that a fourth engaging means engageable with each other between the outer cylinder and the female screw member at a position where slide the outer tube or the female screw member in the axial direction, the outer cylinder is provided on the male screw member side It is constructed as can exhibit invention similar features according to claim 3.

【0010】 [0010]

【発明の実施の態様】次に、本発明の実施の態様を図1 [Aspect OF THE PREFERRED EMBODIMENTS Next, the embodiments of the present invention FIG. 1
〜図5に基いて説明する。 It will be described with reference to to 5. 図1は本願医療用接続部材の接続前の状態を示す一部切欠斜視図、図2は本願医療用接続部材の雌部材側の一部切欠分解斜視図、図3は本願医療用接続部材の接続時の断面図、図4は本願医療用接続部材の接続解除時の一過程を示す断面図、図5は本願医療用接続部材の雌ねじ部材と雄ねじ部材の一つの変形例を示す断面図で、(a)は接続前、(b)は接続後である。 Figure 1 is a partially cutaway perspective view showing a state before connection of the present medical coupling member, Figure 2 is partially cutaway exploded perspective view of the female member side of the present medical coupling member, Figure 3 is the present medical coupling member sectional view at the time of connection, Figure 4 is a cross-sectional view showing one process of time disconnect the present medical coupling member, Figure 5 is a sectional view showing one modified example of the female screw member and the male screw member of the present medical coupling member , (a) shows the pre-connected, (b) is after connection.

【0011】本願医療用接続部材1は、互いに嵌合できる第一管体2と、第二管体3とを有し、該第一管体2には雌ねじ部材4を遊嵌状に設け、前記第二管体3には雄ねじ部材5を設けてなる。 [0011] The present medical connection member 1 includes a first tubular member 2 which can be fitted to each other, and a second tubular body 3, the said first tubular body 2 provided with a female screw member 4 loosely fitted, formed by providing a male screw member 5 to the second tube 3. 前記雌ねじ部材4と雄ねじ部材5とは第一管体2と第二管体3とを互いに嵌合させて閉め込む方向には回転できるが、緩め方向には空回りするように構成されている。 Wherein the female screw member 4 and the male screw member 5 can be rotated in the direction screwing is fitted together with the first tubular member 2 and a second tubular member 3, and is configured to idle in the loosening direction.

【0012】前記雌ねじ部材4は、具体的には、図1の如く、外筒41と、該外筒41内に円周方向に摺動可能に挿入した雌ねじ筒42とからなる。 [0012] The female screw member 4, specifically, as shown in FIG. 1, the outer cylinder 41, consists slidably inserted internally threaded tube 42 into the outer cylinder 41 in the circumferential direction. 該外筒41と雌ねじ筒42は樹脂等の弾性素材により断面釣鐘状に形成され、その閉じられた面の中央部には透孔41′及び4 Outer tube 41 and the internal thread cylinder 42 is formed in a cross-section bell shape by elastic material such as resin, holes 41 'and 4 in the central portion of the closed surface
2′がそれぞれ設けられ、該透孔41′及び42′を前記第一管体2が遊嵌状に挿通している。 2 'are respectively provided, the transparent hole 41' said and 42 'first tubular member 2 is inserted through the loosely fitted.

【0013】前記第一管体2には前記外筒41の透孔4 [0013] hole 4 of the outer cylinder 41 in the first tubular body 2
1′に係止できる鍔片2aが固着され、抜けないようになっている。 Flange piece 2a which can be locked in 1 'is fixed so as not escape. 該第一管体2の基端(上端)には、例えば、輸液セットのチューブ6が結合されている。 The proximal end of the first tubular body 2 (the upper end), for example, a tube 6 of the infusion set is coupled. また、 Also,
第二管体3の基端(下端)には延長チューブ6′が結合している。 The proximal end of the second tubular member 3 (the lower end) extension tube 6 'are attached.

【0014】前記第一管体2と第二管体3との嵌合部2′及び3′は嵌め合いにより気密性を確保できるようになっているが、他の嵌合手段であっても良い。 [0014] The first tubular member 2 and the engaging portion 2 'and 3' of the second tubular member 3 is adapted to be secure airtightness by fit, be other engagement means good. 例えば、第一管体2の管内に、前記チューブ6に連通するピン針(図示せず)を設け、前記第二管体3内にはそのピン針が貫通する弾性膜(ゴム板等)を設けて気密性を確保できるようにしてもよい。 For example, the tube of the first tubular member 2, a pin needle (not shown) which communicates with the tube 6 is provided, wherein the second tubular body 3 elastic film as the pin needle penetrates the (rubber plate or the like) airtightness may be possible to secure provided.

【0015】前記外筒41内に挿入されている雌ねじ筒42は、図2(a)の如く、下端側の外周に沿って設けた環状リブ42aを、前記外筒41の下端側の内周に沿って設けた環状リブ41aに係止し、該環状リブ41a [0015] The outer cylinder internal thread cylinder is inserted into the 41 42, as FIG. 2 (a), an annular rib 42a which is provided along the outer periphery of the lower end, the inner circumference of the lower end of the outer cylinder 41 engaged in an annular rib 41a which is provided along, annular rib 41a
上を円周方向に摺動できるようになっているとともに、 Together and to be able to slide on the circumferential direction,
脱落しないように構成している。 It is configured so as not to fall off.

【0016】また、雌ねじ筒42は、その外筒高hが外筒41の内筒高h′より短く、外筒41の内周壁に設けたアンダーカット部43の範囲内で軸方向(イ−イ′方向)にも摺動可能になっている。 Further, the internal thread cylinder 42, the outer cylinder height h is shorter than the inner cylinder height h of the outer cylinder 41 ', axially (Lee within the undercut portion 43 provided on the inner peripheral wall of the outer cylinder 41 - It has become capable of sliding in Lee 'direction). この雌ねじ筒42の軸方向の摺動(外筒41の奥側への摺動)は、常態では、 Axial sliding of the internal thread cylinder 42 (sliding toward the rear side of the outer cylinder 41) is in a normal state,
雌ねじ筒42の上面周縁に設けた複数(図上2本)のヘラ状片44の突っ張りにより規制されている(図3参照)。 Strut is restricted by the spatula-like piece 44 of the plurality of provided on the upper surface peripheral edge of the female screw cylinder 42 (2 drawing) (see FIG. 3).

【0017】前記ヘラ状片44は、前記外筒41の奥側周壁の複数個所に設けたカム45に作用する。 [0017] The spatula-like piece 44, acts on a cam 45 provided at a plurality of positions of the inner side wall of the outer cylinder 41. 該カム4 The cam 4
5は、図2(b)の如く、円弧面に沿った断面楔状に突設してなり、外筒41をカム45の段部45′が先頭となるような方向(矢印A)に廻すと、段部45′が前記ヘラ状片44に係止し、雌ねじ筒42を一体回転させる一方、外筒41をカム45の段部45′が後尾となるような方向(矢印B)に廻すと、段部45′が前記ヘラ状片44には係止せずに素材の弾性により飛び越えるため、雌ねじ筒42に対し空回りすることとなる。 5, as in FIG. 2 (b), it was projected from the wedge-shaped cross section along the arcuate surface, when turning the outer cylinder 41 in the direction (arrow A), such as stepped portion 45 of the cam 45 'is the top stepped portion 45 'engages within the spatula-like piece 44, while for integrally rotating the female screw cylinder 42, the outer tube 41 stepped portion 45 of the cam 45' when turning in the direction (arrow B) such that the tail , the stepped portion 45 'is the spatula-like piece 44 for jump due to the elasticity of the material without engagement, and be idle with respect to the female screw cylinder 42. このヘラ状片44と円弧面に沿った断面楔状のカム45とで第一係止手段を構成している。 Constitute a first locking means in this paddle piece 44 and the cam 45 of the wedge-shaped cross section along the arcuate surface.

【0018】また、前記外筒41を雌ねじ筒42のヘラ状片44の突っ張りに抗して(屈曲変形させて)、図4 Further, the outer cylinder 41 against the strut of the spatula-like piece 44 of the female screw cylinder 42 (by bending deformation), 4
の如く、押し下げた(雌ねじ筒42を外筒41の奥側に押し込むことも同じ))状態により、前記外筒41を円周方向に廻すと、外筒41のアンダーカット部43の上部に設けた複数の突起46と、前記雌ねじ筒42の下部に設けた突起47とが係合し、外筒41と雌ねじ筒42 As, by (the same pushing the female screw cylinder 42 to the rear side of the outer cylinder 41)) state that depressed was, when turning the outer cylinder 41 in the circumferential direction, provided above the undercut portion 43 of the outer cylinder 41 and a plurality of projections 46 engages with the projection 47 is provided in the lower portion of the female screw cylinder 42, outer cylinder 41 and the internal thread cylinder 42
が一体回転するようになっている。 There has been adapted to rotate together. 即ち、常態では、外筒41が雌ねじ筒42に対して空回りする方向(矢印B)の場合でも雌ねじ筒42は外筒41に連れ廻りすることとなる。 That is, in the normal state, so that the outer cylinder 41 is internally threaded cylinder 42 even when the direction (arrow B) which runs idle with respect to the female screw cylinder 42 around him to the outer cylinder 41. この外筒41側の複数の突起46と雌ねじ筒42側の突起47とで第二係止手段を構成している。 Constitute a second locking means and a plurality of projections 46 and the female screw cylinder 42 side of the projection 47 of the outer cylinder 41 side.

【0019】図5(a)は、該第一管体2に一体に雌ねじ部材4を設け、前記第二管体3に設けた雄ねじ部材5 [0019] FIG. 5 (a), the female screw member 4 formed integrally with said first tubular member 2, the male screw member 5 provided on the second tubular member 3
に外筒51を設け、該外筒を一方向に回転させたときは、前記雌ねじ部材4に係合し、他方向に回転させたときは雌ねじ部材4とは非係合になる係合手段を設けている。 In the outer cylinder 51 is provided, when rotating the outer cylinder in one direction, engages the female screw member 4, the engaging means comprising a non-engagement to the female screw member 4 when rotated in the other direction a is provided. 具体的には、雄ねじ部材の外筒51内の奥側周壁には複数個所に前記カム45と同様(円弧面に沿った断面楔状)のカム52が設けられ、該カム52と係合するヘラ状片53が雄ねじ部材と一体の円盤部材54から垂下されている。 Specifically, the cam 52 similar to the cam 45 at a plurality of locations (wedge-shaped cross section along the circular arc surface) provided on the inner side wall of the outer cylinder 51 of the male screw member, spatula for engagement with the cam 52 Jo piece 53 is suspended from the male screw member integral with the disc member 54. このカム52とヘラ状片53との作用により外筒51は雌ねじ部材4に雄ねじ部材5を、図5 The male screw member 5 the outer cylinder 51 in the female screw member 4 by the action of this cam 52 and paddle member 53, FIG. 5
(b)の如く結合する方向(閉め付方向)には一体回転し、この逆(緩み方向)には空回りするようになっている。 It rotates integrally with the direction (direction with closing) that bind as (b), is adapted to idle in the opposite (loosening direction). このヘラ状片53とカム52とで第三係止手段を構成する。 In this spatula-shaped pieces 53 and the cam 52 constituting the third locking means.

【0020】また、図5(b)において、ヘラ状片53 Further, in FIG. 5 (b), the paddle member 53
は外筒51を矢印の如く上方に摺動させると、図4の場合と同様に屈曲変形し、雄ねじ部材5の円盤部材54の周囲に設けた複数の突起55は前記外筒51のアンダーカット部56を相対的に下降してアンダーカット部56 Is when sliding the outer tube 51 upwardly as shown by the arrow, then bent and deformed as in the case of FIG. 4, a plurality of projections 55 provided around the disk member 54 of the male screw member 5 is undercut of the outer cylinder 51 undercut portion 56 of the part 56 with relatively lowered
の下部に設けた突起57と係合し、外筒51と円盤部材54(雄ねじ部材5)とが一体回転するようになっている。 It engages with the protrusion 57 provided on the lower portion of the outer cylinder 51 and the disk member 54 (male screw member 5) is rotated integrally. この外筒51側の複数の突起55と雄ねじ部材5側の突起57とで第四係止手段を構成する。 In the projection 57 of the plurality of projections 55 of the outer tube 51 side and the male screw member 5 side constituting the fourth locking means.

【0021】次に、上記実施態様において、チューブ6 Next, in the above embodiment, the tube 6
とチューブ6′を接続する場合において、チューブ6側の第一管体2と、チューブ6′側の第二管体3とを互いに嵌合させる。 And 'in the case of connecting a first tubular body 2 of the tube 6 side, the tube 6' tube 6 is fitted to each other and a second tubular body 3 side. これにより、雌ねじ部材4と雄ねじ部材5とは閉め込み可能に対峙する。 Thus, facing possible narrowing closing the female screw member 4 and the male screw member 5.

【0022】しかる後、該雌ねじ部材4を構成する外筒41を矢印A方向に廻すと、該外筒41と、該外筒41 [0022] Thereafter, when turning the outer cylinder 41 constituting the female screw member 4 in the direction of arrow A, the outer cylinder 41, outer cylinder 41
内に円周方向に摺動可能に挿入した雌ねじ筒42との間に設けたカム45とヘラ状片44とからなる第一係止手段の作用により、前記雌ねじ筒42が外筒41と同方向に一体回転して第二管体3の雄ねじ部材5に有効に作用(閉め込み勝手に)し、確実にロックされることとなる(図3参照)。 By the action of the first locking means comprising a cam 45 and a paddle member 44 provided between the internal thread sleeve 42 inserted slidably in the circumferential direction within, the said internal thread cylinder 42 and outer cylinder 41 effectively acts on the male screw member 5 of the second tubular member 3 rotates integrally direction (without permission narrowing closed), it ensures a be locked (see Fig. 3).

【0023】しかして、閉め込み後は、雌ねじ部材4を構成する外筒41が、いたずらにより螺合が緩む方向に廻されたとしても、外筒41と該外筒41内に挿入した雌ねじ筒42との間に設けたカム45とヘラ状片44とからなる第一係止手段の作用により空回りしてしまい、 [0023] Thus, after narrowing closing the internal thread tubular outer cylinder 41, even routed in the direction of screwing it is loosened by mischief, inserted into the outer cylinder 41 and the outer cylinder 41 constituting the female screw member 4 42 will be idle by the action of the first locking means comprising a cam 45 and a paddle member 44 provided between the,
緩められることがない。 It will not be loosened. 即ち、閉め込まれた状態を維持することとなる。 That is, the maintaining the state of being incorporated closed.

【0024】一方、閉め込んだ後はチューブ6側の第一管体2と、チューブ6′側の第二管体3とを全く切り離すことが出来なくなってしまうことを避けるため、付加的な行為を伴う条件下において、その閉め込みを解除できる。 [0024] On the other hand, in order to avoid that the first tubular body 2 of the tube 6 side after yelling closed, making it difficult to separate completely and a second tubular body 3 of the tube 6 'side, additional act under conditions with, it can be released to narrow closing the. 即ち、医師その他の医療従事者が、図3の状態において、前記外筒41を相対的に下方へ押し下げることにより、前記雌ねじ筒42がヘラ状片44に抗して(ヘラ状片44を屈曲変形させて)アンダーカット部43を上昇し、該アンダーカット部43の上位の突起46と、 That is, doctors and other medical personnel, in the state of FIG. 3, by pushing down the outer cylinder 41 to relatively lower, the female screw cylinder 42 against the spatula-shaped piece 44 (spatula-like piece 44 bent is deformed) rises in the undercuts 43, and the upper projection 46 of the undercut 43,
雌ねじ筒42の下側の突起47とからなる第二係合手段が作用して雌ねじ筒42と外筒41とを合体させ、外筒41に雌ねじ筒42を連れ回りさせるから、その閉め込み状態が解除されることとなる。 Second engaging means comprising a lower projection 47. of the internal thread cylinder 42 acts to coalesce a female screw cylinder 42 and the outer tube 41, because thereby rotate together with the female screw cylinder 42 to the outer cylinder 41, the state narrowing closed its so that the but is released.

【0025】 [0025]

【発明の効果】以上の如く、本発明は、互いに嵌合できる第一管体と第二管体とを有し、該両管体の一方に雌ねじ部材を設け、他方に雄ねじ部材を設けてなり、これらのねじ部材を閉め込み方向には回転し、緩め方向には空回りするように構成したことを特徴としているから、医療用具の接続部が簡易かつ確実に固定できるとともに、 As evident from the foregoing description, the present invention includes a first tubular member and the second tubular body capable mating, the female screw member provided on one of the both tube and a male screw member provided in the other it rotates in a direction narrowing closing these threaded members, because characterized by being configured so as to idle in the loosening direction, with the connecting portion of the medical device can be easily and reliably fixed,
いったん接続したら患者自身や見舞者などの第三者の意識、無意識により外される危険がなく、薬液等の注入不足や細菌による汚染の危険がなく、安全性や信頼性の高い医療用接続部材を提供することができるという優れた効果を奏するものである。 Once a third party of consciousness, such as a patient's own and sympathy person Once you have connected, there is no risk of being removed by the unconscious, there is no danger of contamination by injection shortage and bacteria such as a chemical solution, safety and reliable medical connecting member in which an excellent effect of being able to provide. また、近年の如く在宅治療の実施も増加傾向にある現状を考慮すると、一層有効性が確保できるものである。 Further, when also the implementation of home treatment as recently considering the current situation is increasing, in which more effectiveness can be ensured.

【0026】また、請求項2に記載の発明は、前記雌ねじ部材が、外筒と、該外筒内に円周方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に、外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる係合手段を設けたことを特徴としているから、閉め込む方向には回転し、 Further, an invention according to claim 2, wherein the female screw member is made of an outer cylinder, and slidably fitted internal thread cylinder circumferentially within the outer cylinder, the outer cylinder and the internal thread between the cylinder engage each other when rotating the outer cylinder in one direction, because when rotated in the other direction is characterized by comprising an engagement means comprising a non-engagement, screwing to rotate in the direction,
緩め方向には空回りする構成を簡易な機構により実現できるという優れた効果を奏するものである。 The loosening direction in which an excellent effect that the configuration of idle can be realized by a simple mechanism.

【0027】さらに、請求項3に記載の発明は、前記雌ねじ部材が、外筒と、該外筒内に円周方向及び軸方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる第一係合手段を設けるとともに、前記外筒か雌ねじ筒を軸方向に摺動させた位置で外筒と雌ねじ筒との間に互いに係合できる第二係合手段を設けたことを特徴としているから、 Furthermore, the invention according to claim 3, wherein the female screw member is made of an outer tube, a female screw cylinder fitted slidably in the circumferential direction and the axial direction in the outer cylinder, the outer with the outer tube between the cylinder and the female screw cylinder engage each other when rotated in one direction, when rotated in the other direction is provided a first engagement means comprising a non-engagement, or the outer cylinder because characterized in that a second engaging means engageable with each other between the outer cylinder and the internal thread cylinder of the internal thread cylinder at the position is slid in the axial direction,
閉め込む方向には回転し、緩め方向には空回りする構成に加え、必要なときには付加的な行為を伴うことにより接続の解除が可能となるという優れた効果を奏するものである。 Rotating the screwing direction, in addition to the idling configure the loosening direction, when needed are those excellent effects that release of the connection becomes possible by involving additional acts.

【0028】さらにまた、請求項4に記載の発明は、前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、他方向に回転させたときは非係合になる係合手段を設けたことを特徴としているから、雄ねじ部材側に外筒を設けても、閉め込む方向には回転し、緩め方向には空回りする構成を簡易な機構により実現できるという優れた効果を奏するものである。 [0028] Further, an invention according to claim 4, wherein the male screw member has an outer cylinder, engages the female screw member when rotating the outer cylinder in one direction, the rotation in the other direction because characterized in that a engagement means become disengaged when he is, even if the outer cylinder is provided on the male screw member, rotate in the direction of screwing, simple idling constituting the loosening direction in which an excellent effect of realizing the mechanism.

【0029】さらにまた、請求項5に記載の発明は、前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、他方向に回転させたときは非係合になる第三係合手段を設けるとともに、 [0029] Further, an invention according to claim 5, wherein the male screw member has an outer cylinder, engages the female screw member when rotating the outer cylinder in one direction, the rotation in the other direction provided with a third engaging means comprising a disengaged when he is,
前記外筒か雌ねじ部材を軸方向に摺動させた位置で外筒と雌ねじ部材との間に互いに係合できる第四係合手段を設けたことを特徴としているから、雄ねじ部材側に外筒を設けても、雄ねじ部材側に外筒を設けても、閉め込む方向には回転し、緩め方向には空回りする構成に加え、 Because characterized in that a fourth engaging means engageable with each other between the outer cylinder and the female screw member at a position where slide the outer tube or the female screw member in the axial direction, the outer cylinder to the male screw member side also provided, even if the outer cylinder is provided on the male screw member, it rotates in the direction of screwing, in addition to a configuration in which idling is loosely direction,
必要なときには付加的な行為を伴うことにより接続の解除が可能となるという優れた効果を奏するものである。 When needed are those excellent effects that release of the connection by with additional action is possible.

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

【図1】本願医療用接続部材の接続前の状態を示す一部切欠斜視図である。 1 is a partially cutaway perspective view showing a state before connection of the present medical coupling member.

【図2】本願医療用接続部材の雌部材側の一部切欠分解斜視図である。 Figure 2 is a partially cutaway exploded perspective view of the female member side of the present medical coupling member.

【図3】本願医療用接続部材の接続時の断面図である。 3 is a cross-sectional view at the time of connection of the present medical coupling member.

【図4】本願医療用接続部材の接続解除時の一過程を示す断面図である。 4 is a cross-sectional view showing one process of time disconnect the present medical coupling member.

【図5】本願医療用接続部材の雌ねじ部材及び雄ねじ部材の一つの変形例を示す断面図で、(a)は接続前、 [5] a sectional view showing one modified example of the female screw member and the male screw member of the present medical connecting member, (a) shows the pre-connection,
(b)は接続後である。 (B) it is after connection.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 本願医療用接続部材 2 第一管体 2a 鍔片 3 第二管体 4 雌ねじ部材 5 雄ねじ部材 6 チューブ 6′ 延長チューブ 41 外筒 41′透孔 41a 環状リブ 42 雌ねじ筒 42′透孔 42a 環状リブ 43 アンダーカット部 44 ヘラ状片 45 カム 45′ カムの段部 46、47 突起 51 雄ねじ部材の外筒 52 カム 53 ヘラ状片 54 円盤部材 55 突起 56 アンダーカット部 57 突起 1 present medical connecting member 2 first tube 2a flange piece 3 second tubular body 4 internally threaded member 5 male screw member 6 tubes 6 'extension tube 41 outer cylinder 41' through hole 41a an annular rib 42 internal thread cylinder 42 'through hole 42a cyclic rib 43 the undercut portion 44 paddle piece 45 cam 45 'the outer cylinder 52 the cam 53 paddle piece 54 disk member 55 projection 56 undercut 57 projecting step portion 46, 47 projection 51 externally threaded member of the cam

Claims (5)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 互いに嵌合できる第一管体と第二管体とを有し、該両管体の一方に雌ねじ部材を設け、他方に雄ねじ部材を設けてなり、これらのねじ部材を閉め込み方向には回転し、緩め方向には空回りするように構成したことを特徴とする医療用接続部材。 [Claim 1, further comprising a first tubular member can be fitted to each other and the second tubular body, the female screw member provided on one of the both tube made by providing a male screw member to the other, closing these threaded members rotate the write direction, medical connecting members, characterized by being configured so as to idle in the loosening direction.
  2. 【請求項2】 前記雌ねじ部材が、外筒と、該外筒内に円周方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に、外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる係合手段を設けたことを特徴とする請求項1に記載の医療用接続部材。 Is wherein said internally threaded member, and the outer cylinder consists of a slidably fitted internal thread cylinder circumferentially within outer cylinder, between the outer cylinder and the internal thread cylinder, the outer cylinder engage one another when rotating in one direction, medical connecting member according to claim 1, when rotated in the other direction, characterized in that a engagement means become disengaged.
  3. 【請求項3】 前記雌ねじ部材が、外筒と、該外筒内に円周方向及び軸方向に摺動可能に嵌合した雌ねじ筒とからなり、該外筒と雌ねじ筒との間に外筒を一方向に回転させたときは互いに係合し、他方向に回転させたときは非係合になる第一係合手段を設けるとともに、前記外筒か雌ねじ筒を軸方向に摺動させた位置で外筒と雌ねじ筒との間に互いに係合できる第二係合手段を設けたことを特徴とする請求項1に記載の医療用接続部材。 Wherein the female screw member is made of an outer tube, a female screw cylinder fitted slidably in the circumferential direction and the axial direction in the outer cylinder, the outer between the outer cylinder and the internal thread cylinder cylinder to engage with each other when rotating in one direction, when rotated in the other direction provided with a first engagement means comprising a disengaged, slide the outer cylinder or the internal thread tubular axially medical connecting member according to claim 1, characterized in that a second engaging means engageable with each other between the outer cylinder and the internal thread cylinder in position.
  4. 【請求項4】 前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、 Wherein said externally threaded member has an outer tube, it is engaged with the female screw member when rotating the outer cylinder in one direction,
    他方向に回転させたときは非係合になる係合手段を設けたことを特徴とする請求項1に記載の医療用接続部材。 Medical connecting member according to claim 1, when rotated in the other direction, characterized in that a engagement means become disengaged.
  5. 【請求項5】 前記雄ねじ部材が、外筒を有し、該外筒を一方向に回転させたときは前記雌ねじ部材に係合し、 Wherein said externally threaded member has an outer tube, it is engaged with the female screw member when rotating the outer cylinder in one direction,
    他方向に回転させたときは非係合になる第三係合手段を設けるとともに、前記外筒か雌ねじ部材を軸方向に摺動させた位置で外筒と雌ねじ部材との間に互いに係合できる第四係合手段を設けたことを特徴とする請求項1に記載の医療用接続部材。 Together when rotated in the other direction is provided a third engaging means comprising a non-engaging, each other engaged between the outer cylinder and the female screw member at a position where slide the outer tube or the female screw member in the axial direction medical connecting member according to claim 1, characterized in that a fourth engaging means possible.
JP37527299A 1999-12-28 1999-12-28 Medical connecting member Withdrawn JP2001187990A (en)

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