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JP4558290B2 - Injection device and medical device - Google Patents

Injection device and medical device Download PDF

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JP4558290B2
JP4558290B2 JP2003295978A JP2003295978A JP4558290B2 JP 4558290 B2 JP4558290 B2 JP 4558290B2 JP 2003295978 A JP2003295978 A JP 2003295978A JP 2003295978 A JP2003295978 A JP 2003295978A JP 4558290 B2 JP4558290 B2 JP 4558290B2
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main body
grip
holding means
arc
proximal
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JP2005058638A (en
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寛吏 栗原
健一 今山
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SB Kawasumi Laboratories Inc
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Kawasumi Laboratories Inc
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Description

本発明は、例えば輸液セット、採血セット、輸血セット、体外循環回路等の医療器具の途中に配置される混注部材と、当該混注部材に薬剤を混注又は血液を採取もしくは注入するために使用される注入装置を有する医療用具と、注入装置の改良に関する。
The present invention is used for, for example, a mixed injection member disposed in the middle of a medical device such as an infusion set, a blood collection set, a blood transfusion set, an extracorporeal circulation circuit, and the like, or a drug is mixedly injected into the mixed injection member or blood is collected or injected. The present invention relates to a medical device having an injection device and an improvement of the injection device .

例えば特許文献１と特許文献２には、本体に鍔部を形成し、当該鍔部の下方に穿刺部材を突設し、前記鍔部の両側に、グリップ支持部と保持手段を有するグリップ片を装着した注入装置と、本体に突設した筒体に、スリットを形成した栓体を装着した混注部材が開示されている。
これらの特許文献１と特許文献２では、注入装置を混注部に挿入するときに、グリップ支持部に延設されたグリップ端を押して、グリップ支持部を両側に広げるように形成されている。
また特許文献１に記載の混注部は、本体の中腹部付近に短い傾斜面を形成し、穿刺部材を栓体に挿入していくと、短い傾斜面により保持手段が広げられ、本体底部の肩部に保持手段が係合し、注入装置と混注部が容易に抜けないように形成されている。
特許文献１と特許文献２のグリップ片は、グリップ支持部とグリップ端が鍔部に隣接して形成されているので、鍔部が支点となり、グリップ端を押すと、力がグリップ支持部と保持手段に直接伝わるので、鍔部またはグリップ支持部の破損が懸念される。
また特許文献１と特許文献２の注入装置と混注部の組み合わせでは、グリップ支持部を両側に広げないと、注入装置を混注部に挿入できなかったので、操作が煩わしいという指摘があった。
特表平６−５０３００５号（図４９、５２） 特開平１０−３２３３９７号公報（図１４、１５、２０から２２） For example, in Patent Document 1 and Patent Document 2, a grip piece having a collar portion formed on a main body, a puncture member projecting below the collar portion, and grip support portions and holding means on both sides of the collar portion. There is disclosed a co-infusion member in which a plug having a slit formed in a mounted injection device and a cylindrical body projecting from a main body is mounted.
In these patent documents 1 and patent documents 2, when inserting an injection device into a mixed injection part, it forms so that a grip end extended in a grip support part may be pushed and a grip support part may be spread on both sides.
Further, the mixed injection portion described in Patent Document 1 forms a short inclined surface in the vicinity of the middle abdomen of the main body, and when the puncture member is inserted into the plug body, the holding means is expanded by the short inclined surface, and the shoulder at the bottom of the main body The holding means is engaged with the portion, and the injection device and the co-injection portion are formed so as not to easily come off.
In the grip pieces of Patent Document 1 and Patent Document 2, the grip support portion and the grip end are formed adjacent to the collar portion, so that the collar portion serves as a fulcrum, and when the grip end is pressed, the force is retained with the grip support portion. Since it is transmitted directly to the means, there is a concern about damage to the buttock or the grip support.
Further, in the combination of the injection device and the mixed injection portion of Patent Document 1 and Patent Document 2, it was pointed out that the operation was troublesome because the injection device could not be inserted into the mixed injection portion unless the grip support portion was spread on both sides.
Special table hei 6-503005 (FIGS. 49 and 52) JP-A-10-323397 (FIGS. 14, 15, 20 to 22)

解決しようとする問題点は、グリップ端を押す際に鍔部またはグリップ支持部の破損が懸念される点及び注入装置を混注部に挿入する際にグリップ支持部を両側に広げないと挿入できない点である。   The problem to be solved is that there are concerns about damage to the buttock or grip support when pushing the grip end, and that the grip support cannot be inserted unless the grip support is spread on both sides when inserting the injection device into the co-injection. It is.

そこで本発明者は以上の課題を解決するために、鋭意検討を重ねた結果次の発明に到達した。
［１］本発明は、本体（２）とグリップ片（５）とを有し、
前記本体（２）は、筒状に形成され、長手方向と当該長手方向に略垂直に交差する側部とを有し、かつ前記本体（２）は、前記長手方向に遠位部、中間部及び近位部とを有し、
前記本体（２）の長手方向の遠位部側に穿刺部材（３）を突設し、近位部側にチューブ（Ｔ）の一端部を接続し、
前記本体（２）の中間部の側部に鍔部（４）を形成し、
当該鍔部（４）の両側部に、前記穿刺部材（３）を挟んで、お互いに対向するように配置される一対のグリップ片（５）を装着し、
当該グリップ片（５）は、前記鍔部（４）に近い側の一端部である近位部と、前記鍔部（４）に遠い側の一端部である遠位部とを有し、
前記鍔部（４）の近位部側から遠位部側に向けて、順次、緩衝部（９）と、保持手段（８）と、グリップ支持部（７）及びグリップ端（６）を一体に形成し、
前記緩衝部（９）の近位部を、前記鍔部（４）に装着し、前記緩衝部（９）の遠位部を、前記保持手段（８）の近位部に装着し、
当該保持手段（８）の遠位部に、前記グリップ支持部（７）の近位部を装着し、
前記グリップ支持部（７）の遠位部を前記グリップ端（６）の近位部に装着し、
前記鍔部（４）と前記保持手段（８）との間に、前記緩衝部（９）を、配置して、前記鍔部（４）と前記保持手段（８）とを離間して配置し、
前記緩衝部（９）は、第１の孤（Ｒ１）と第２の孤（Ｒ２）とを有し、前記第１の孤（Ｒ１）は、前記グリップ端（６）側に向けて湾曲し、かつ曲率が前記第２の孤（Ｒ２）よりも大きい孤であり、
前記第２の孤（Ｒ２）は、前記穿刺部材（３）側に向けて湾曲し、かつ曲率が前記第１の孤（Ｒ１）よりも小さい孤であり、
前記保持手段（８）は、前記本体（２）の遠位部側でかつ前記本体（２）の側部方向に配置され、かつ前記保持手段（８）は、前記穿刺部材（３）側に向けて延設され、
前記グリップ端（６）は、前記本体（２）の近位部側でかつ前記本体（２）の側部方向に配置され、かつ前記グリップ端（６）は、前記本体（２）側に向けて延設した注入装置（１）を提供する。
［２］本発明は、［１］に記載の前記注入装置（１）と混注部材（２１）を有し、
前記混注部材（２１）は、
管状の本体（２２）の上部に突設した筒体（２３）に、
スリット（２９）を形成した栓体（２６）を装着し、
前記筒体（２３）の上部に、キャップ（２４）を冠着し、
当該キャップ（２４）の天面外周に、ストレート状の傾斜部（２５）を形成し、
前記本体（２２）上部と前記キャップ（２４）の底部に形成された肩部（３０）との間に、３６０度開放された隙間Ｓを形成し、
［１］に記載の前記注入装置（１）の保持手段（８）の下部が前記キャップ（２４）の肩部（３０）に係止することができるように形成した、医療用具を提供する。
Therefore, as a result of intensive studies to solve the above problems, the present inventor has reached the following invention.
[1] The present invention has a main body (2) and a grip piece (5),
The main body (2) is formed in a cylindrical shape, and has a longitudinal direction and a side portion that intersects the longitudinal direction substantially perpendicularly, and the main body (2) has a distal portion and an intermediate portion in the longitudinal direction. And a proximal portion,
A puncture member (3) is projected from the distal side in the longitudinal direction of the main body (2), and one end of the tube (T) is connected to the proximal side.
Forming a flange (4) on the side of the intermediate part of the body (2);
A pair of grip pieces (5) arranged to face each other with the puncture member (3) sandwiched between both sides of the heel part (4),
The grip piece (5) has a proximal portion that is one end portion on the side close to the flange portion (4) and a distal portion that is one end portion on the side far from the flange portion (4),
The buffer portion (9), the holding means (8), the grip support portion (7), and the grip end (6) are sequentially integrated from the proximal portion side to the distal portion side of the flange portion (4). Formed into
A proximal portion of the buffer portion (9) is attached to the flange portion (4), and a distal portion of the buffer portion (9) is attached to the proximal portion of the holding means (8);
A proximal portion of the grip support (7) is attached to the distal portion of the holding means (8),
Attaching the distal portion of the grip support (7) to the proximal portion of the grip end (6);
The buffer portion (9) is disposed between the flange portion (4) and the holding means (8), and the flange portion (4) and the holding means (8) are spaced apart. ,
The buffer section (9) has a first arc (R1) and a second arc (R2), and the first arc (R1) is curved toward the grip end (6). And an arc having a curvature larger than the second arc (R2),
The second arc (R2) is an arc that curves toward the puncture member (3) and has a smaller curvature than the first arc (R1),
The holding means (8) is disposed on the distal side of the main body (2) and in the direction of the side of the main body (2), and the holding means (8) is on the puncture member (3) side. Extended toward
The grip end (6) is disposed on the proximal side of the main body (2) and in the direction of the side of the main body (2), and the grip end (6) is directed toward the main body (2). An injection device (1) extended in this manner is provided.
[ 2 ] The present invention includes the injection device (1) and the mixed injection member (21) according to [1],
The mixed injection member (21)
A cylindrical body (23) protruding from the upper part of the tubular main body (22)
A plug (26) having a slit (29) is attached,
A cap (24) is crowned on top of the cylinder (23),
A straight inclined portion (25) is formed on the outer periphery of the top surface of the cap (24),
A gap S opened 360 degrees is formed between the upper part of the main body (22) and a shoulder part (30) formed at the bottom of the cap (24),
A medical device is provided which is formed so that the lower part of the holding means (8) of the injection device (1) according to [1] can be locked to a shoulder (30) of the cap (24).

本発明の注入装置１は、緩衝部９が支点となり、グリップ端６を押圧挟持した力が、緩衝部９に緩衝されて、グリップ支持部７と保持手段８に伝えられるので、鍔部４やグリップ片５の破損を防ぐことができる。
本発明の医療用具に使用する混注部材２１は、キャップ２４の天面外周に傾斜部２５を形成することにより、混注部材２１のスリット２９に穿刺部材３の先端を挿入して下方に押すだけで、注入装置１の保持手段８を混注部材２１に係止することができるので、操作性が良好である。
In the injection device 1 of the present invention, the buffer portion 9 serves as a fulcrum, and the force that presses and holds the grip end 6 is buffered by the buffer portion 9 and transmitted to the grip support portion 7 and the holding means 8. Breakage of the grip piece 5 can be prevented.
The mixed injection member 21 used in the medical device of the present invention is formed by forming the inclined portion 25 on the outer periphery of the top surface of the cap 24, so that the tip of the puncture member 3 is simply inserted into the slit 29 of the mixed injection member 21 and pushed downward. Since the holding means 8 of the injection device 1 can be locked to the mixed injection member 21, the operability is good.

図１は本発明の注入装置１の正面図である。図２は本発明の混注部材２１の概略図で（Ａ）は該注入装置１の正面図、（Ｂ）は平面図、（Ｃ）は側面図である。図３は前記注入装置１を混注部材２１に穿刺するところの概略図で（１）は注入装置１の穿刺部材３を混注部材２１の栓体２６に挿入した正面図で、（２）は前記穿刺部材３の先端が流路２７内に突出し、保持手段８がキャップ２４の肩部３０に係合した正面図である。   FIG. 1 is a front view of an injection device 1 of the present invention. 2A and 2B are schematic views of the co-injection member 21 of the present invention. FIG. 2A is a front view of the injection device 1, FIG. 2B is a plan view, and FIG. FIG. 3 is a schematic view of puncturing the injection device 1 into the mixed injection member 21. FIG. 3 is a front view of the puncture member 3 of the injection device 1 inserted into the plug body 26 of the injection member 21. 7 is a front view in which the tip of the puncture member 3 protrudes into the flow path 27 and the holding means 8 is engaged with the shoulder 30 of the cap 24. FIG.

［注入装置１］
本体２とグリップ片５とを有する。本体２は、筒状に形成され、長手方向と長手方向に略垂直に交差する側部とを有する。さらに本体２は、長手方向に遠位部、中間部及び近位部とを有する。
本体２の長手方向の遠位部側に穿刺部材３を突設し、近位部側にチューブＴの一端部を接続している。
本体２の中間部の側部に鍔部４を形成し、鍔部４の両側部に、穿刺部材３を挟んで、お互いに対向するように配置される一対のグリップ片５を装着している。
グリップ片５は、鍔部４に近い側の一端部である近位部と、鍔部４に遠い側の一端部である遠位部とを有する。
鍔部４の近位部側から遠位部側に向けて、順次、緩衝部９と、保持手段８と、グリップ支持部７及びグリップ端６を一体に形成し、緩衝部９の近位部を、鍔部４に装着し、緩衝部９の遠位部を、保持手段８の近位部に装着している。
保持手段８の遠位部に、グリップ支持部７の近位部を装着し、グリップ支持部７の遠位部をグリップ端６の近位部に装着し、鍔部４と保持手段８との間に、緩衝部９を、配置して、鍔部４と保持手段８とを離間して配置している。
保持手段８は、本体２の遠位部側でかつ本体２の側部方向に配置され、かつ保持手段８は、穿刺部材３側に向けて延設している。
グリップ端６は、本体２の近位部側でかつ本体２の側部方向に配置され、かつグリップ端６は、本体２側に向けて延設している。
本発明の注入装置１は、換言すれば、図１に例示するように、本体２の下方に鍔部４を形成し、当該鍔部４の下方に先端を非鋭利に形成した（例えば丸みを帯びた形状）穿刺部材３を突設し、前記鍔部４の両側に緩衝部９と保持手段８を有するグリップ片５を装着している。
グリップ片５は、本体２に鍔部４を介して一体に形成しても良いし、別部品で形成して装着しても良い。
またグリップ片５は前記鍔部４に緩衝部９を介して保持手段８を延設し、当該保持手段８に連続してグリップ支持部７及びグリップ端６が延設されている。すなわち鍔部４と保持手段８は離間して配置されている。
保持手段８はグリップ支持部７の下方に配置され、かつ穿刺部材３側に向けて形成されている。グリップ端６はグリップ支持部７の上方に配置され、本体２側に向けて形成されている。
また鍔部４と穿刺部材３の間には、穿刺部材３基部よりもやや太径で環状の密着部１０が形成されている。本体２上方には液体移送チューブＴが装着されている。
以上のように形成した注入装置１はグリップ端６を内側に向けて押圧挟持すると、緩衝部９を介して保持手段８が外側に開くように形成されている。
例えば一対のグリップ端６を親指と人差し指で押すと、緩衝部９が支点となり、グリップ端６を押圧挟持した力が、緩衝部９に緩衝されて、グリップ支持部７と保持手段８に伝えられるので、鍔部４やグリップ片５の破損を防ぐことができる。
緩衝部９は、図１の例示では二つの弧Ｒを有する曲線（湾曲部、略Ｓ字形状）で表現されているが、本発明の目的・作用効果を奏することができるものであれば、どのような形態でも採用することができる。
さらに詳述すれば、緩衝部９は、第１の孤Ｒ１と第２の孤Ｒ２とを有し、第１の孤Ｒ１は、グリップ端６側に向けて湾曲し、かつ曲率が第２の孤Ｒ２よりも大きい孤である。
第２の孤Ｒ２は、穿刺部材３側に向けて湾曲し、かつ曲率が第１の孤Ｒ１よりも小さい孤である。
[Injection device 1]
It has a main body 2 and a grip piece 5. The main body 2 is formed in a cylindrical shape, and has a longitudinal direction and a side portion that intersects the longitudinal direction substantially perpendicularly. Furthermore, the main body 2 has a distal part, an intermediate part, and a proximal part in the longitudinal direction.
The puncture member 3 protrudes from the distal side of the main body 2 in the longitudinal direction, and one end of the tube T is connected to the proximal side.
A heel part 4 is formed on the side part of the intermediate part of the main body 2, and a pair of grip pieces 5 arranged so as to face each other with the puncture member 3 sandwiched between both side parts of the heel part 4. .
The grip piece 5 has a proximal portion that is one end portion on the side close to the flange portion 4 and a distal portion that is one end portion on the side far from the flange portion 4.
From the proximal portion side to the distal portion side of the flange portion 4, the buffer portion 9, the holding means 8, the grip support portion 7, and the grip end 6 are integrally formed in order, and the proximal portion of the buffer portion 9. Is attached to the heel part 4 and the distal part of the buffer part 9 is attached to the proximal part of the holding means 8.
The proximal portion of the grip support portion 7 is attached to the distal portion of the holding means 8, and the distal portion of the grip support portion 7 is attached to the proximal portion of the grip end 6. A buffer portion 9 is disposed therebetween, and the flange portion 4 and the holding means 8 are spaced apart.
The holding means 8 is disposed on the distal part side of the main body 2 and in the side part direction of the main body 2, and the holding means 8 extends toward the puncture member 3 side.
The grip end 6 is disposed on the proximal portion side of the main body 2 and in the side portion direction of the main body 2, and the grip end 6 extends toward the main body 2 side.
In other words , as illustrated in FIG. 1, the injection device 1 of the present invention has a flange 4 formed below the main body 2, and a tip is formed non-sharply below the flange 4 (for example, rounded) A puncture member 3 is protruded, and grip pieces 5 having a buffer portion 9 and holding means 8 are mounted on both sides of the collar portion 4.
The grip piece 5 may be formed integrally with the main body 2 via the flange portion 4, or may be formed as a separate part and attached.
In addition, the grip piece 5 has a holding means 8 extending from the flange portion 4 via a buffer portion 9, and a grip support portion 7 and a grip end 6 are extended to the holding means 8. That is, the collar part 4 and the holding means 8 are spaced apart.
The holding means 8 is disposed below the grip support portion 7 and is formed toward the puncture member 3 side. The grip end 6 is disposed above the grip support portion 7 and is formed toward the main body 2 side.
Further, between the heel portion 4 and the puncture member 3, an annular close contact portion 10 having a slightly larger diameter than the puncture member 3 base is formed. A liquid transfer tube T is mounted above the main body 2.
The injection device 1 formed as described above is formed so that the holding means 8 is opened to the outside via the buffer portion 9 when the grip end 6 is pressed and clamped inward.
For example, when the pair of grip ends 6 are pressed with a thumb and an index finger, the buffer portion 9 serves as a fulcrum, and the force that presses and holds the grip end 6 is buffered by the buffer portion 9 and transmitted to the grip support portion 7 and the holding means 8. Therefore, damage to the collar part 4 and the grip piece 5 can be prevented.
In the illustration of FIG. 1, the buffer portion 9 is expressed by a curve having two arcs R (curved portion, substantially S-shaped). However, as long as it can achieve the objects and effects of the present invention, Any form can be adopted.
More specifically, the buffer portion 9 has a first arc R1 and a second arc R2, and the first arc R1 is curved toward the grip end 6 and has a second curvature. It is an arc greater than the arc R2.
The second arc R2 is an arc that curves toward the puncture member 3 and has a smaller curvature than the first arc R1.

［混注部材２１］
本発明に使用する混注部材２１は、図２に例示するように管状の本体２２の上部に突設した筒体２３に、略中央にスリット２９を形成した栓体２６を装着し、前記筒体２３の上部外周に、天面外周に傾斜部２５を形成したキャップ２４を冠着している。なお図２中の符号３０は、前記注入装置１の保持手段８が係止する肩部である。
キャップ２４に傾斜部２５を形成することにより、前記注入装置１を混注部材２１に穿刺するときに、グリップ端６を押圧挟持することなく、注入装置１を下方に押すのみで、容易に穿刺することができる。
傾斜部２５の形態、傾斜角度等は、本発明の目的、作用効果を達成することができれば何でも良い。
なお本体２２上部とキャップ２４底部との間にある程度の隙間Ｓが存在することにより、注入装置１の保持手段８が前記キャップ２４の肩部３０に係止することができる。これらの隙間Ｓは、３６０度存在することにより、注入装置１の保持手段８を係止する方向は制限されず、どの方向からも係止することができる。
[Mixed injection member 21]
As shown in FIG. 2, the mixed injection member 21 used in the present invention is provided with a plug body 26 formed with a slit 29 at a substantially center on a cylinder body 23 projecting from the upper portion of a tubular main body 22. A cap 24 having an inclined portion 25 formed on the outer periphery of the top surface is attached to the upper outer periphery of 23. Note that reference numeral 30 in FIG. 2 denotes a shoulder portion to which the holding means 8 of the injection device 1 is locked.
By forming the inclined portion 25 in the cap 24, when the injection device 1 is punctured into the co-injecting member 21, the injection device 1 is easily punctured only by pushing the injection device 1 downward without pressing the grip end 6. be able to.
The form of the inclined portion 25, the inclination angle, and the like may be anything as long as the object and operational effects of the present invention can be achieved.
Since a certain amount of gap S exists between the upper portion of the main body 22 and the bottom portion of the cap 24, the holding means 8 of the injection device 1 can be locked to the shoulder portion 30 of the cap 24. Since these gaps S exist at 360 degrees, the direction in which the holding means 8 of the injection device 1 is locked is not limited, and can be locked from any direction.

図３により、本発明の注入装置１と混注部材２１を装着する方法の一例について説明する。
（１）注入装置１の穿刺部材３を混注部材２１のスリット２９に挿入し、注入装置１を下方に押すと、保持手段８の下端はキャップ２４の傾斜部２５に当接される。
（２）更に注入装置１を下方に押して穿刺部材３を栓体２６に深く挿入すると、保持手段８は緩衝部９の弾性力により傾斜部２５に沿って外周方向に拡がりながら下方に移動し、保持手段８は、キャップ２４の底部外周に形成された肩部３０に係止される。同時にキャップ２４天面に形成された開口部２８に穿刺部材３の密着部１０が密着する。これにより混注部材２１の流路２７から挿入した穿刺部材３の外周長さ方向に伝わる液漏れを防ぐことができる。 With reference to FIG. 3, an example of a method for mounting the injection device 1 of the present invention and the mixed injection member 21 will be described.
(1) When the puncture member 3 of the injection device 1 is inserted into the slit 29 of the mixed injection member 21 and the injection device 1 is pushed downward, the lower end of the holding means 8 is brought into contact with the inclined portion 25 of the cap 24.
(2) When the injection device 1 is further pushed downward and the puncture member 3 is inserted deeply into the plug 26, the holding means 8 moves downward while expanding in the outer peripheral direction along the inclined portion 25 by the elastic force of the buffer portion 9, The holding means 8 is locked to a shoulder 30 formed on the outer periphery of the bottom of the cap 24. At the same time, the contact portion 10 of the puncture member 3 is in close contact with the opening 28 formed on the top surface of the cap 24. Thereby, the liquid leak transmitted to the outer peripheral length direction of the puncture member 3 inserted from the flow path 27 of the mixed injection member 21 can be prevented.

混注部材２１に装着した注入装置１を離脱させる場合は、一方の手で混注部材２１を固定し、他方の手の親指と人差し指でグリップ端６を挟持して、保持手段８の先端が係止した肩部３０から外れるまで押圧して拡げ、そのままの状態で注入装置１を上部方向に引き抜き離脱させる。   When the injection device 1 attached to the mixed injection member 21 is detached, the mixed injection member 21 is fixed with one hand, the grip end 6 is sandwiched between the thumb and index finger of the other hand, and the tip of the holding means 8 is locked. It is pushed and expanded until it comes off from the shoulder portion 30, and the injection device 1 is pulled upward and detached in the state as it is.

本発明の注入装置１の概略図である。It is the schematic of the injection apparatus 1 of this invention. 本発明に使用する混注部材２１の概略図で（Ａ）は混注部材２１の正面図、（Ｂ）は該混注部材２１の平面図、（Ｃ）は側面図。 A schematic diagram of a mixed injection member 21 for use in the present invention (A) is a front view of the mixed injection member 21, (B) is a flat plane view of該混Note member 21, (C) is a side view. 図３は前記注入装置１を混注部材２１に穿刺するところの概略図で（１）は注入装置１の穿刺部材３を混注部材２１の栓体２６に挿入した正面図で、（２）は前記穿刺部材３の先端が流路２７内に突出し、保持手段８がキャップ２４の肩部３０に係止した正面図。FIG. 3 is a schematic view of puncturing the injection device 1 into the mixed injection member 21. FIG. 3 is a front view of the puncture member 3 of the injection device 1 inserted into the plug body 26 of the injection member 21. The front view in which the front-end | tip of the puncture member 3 protruded in the flow path 27, and the holding means 8 latched to the shoulder part 30 of the cap 24. FIG.

符号の説明Explanation of symbols

１ 注入装置
２ 本体
３ 穿刺部材
４ 鍔部
５ グリップ片
６ グリップ端
７ グリップ支持部
８ 保持手段
９ 緩衝部
Ｒ 弧
Ｒ１ 第１の孤
Ｒ２ 第２の孤
１０ 密着部
２１ 混注部材
２２ 本体
２３ 筒体
２４ キャップ
２５ 傾斜部
２６ 栓体
２７ 流路
２８ 開口部
２９ スリット
３０ 肩
３１ 保持板
Ｔ チューブ
DESCRIPTION OF SYMBOLS 1 Injection apparatus 2 Main body 3 Puncture member 4 Gutter part 5 Grip piece 6 Grip end 7 Grip support part 8 Holding means 9 Buffer part R Arc
R1 first arc
R2 Second solitary 10 Adhering portion 21 Mixed injection member 22 Main body 23 Tube 24 Cap 25 Inclined portion 26 Plug body 27 Channel 28 Opening portion 29 Slit 30 Shoulder 31 Holding plate T Tube

Claims (2)

本体（２）とグリップ片（５）とを有し、A main body (2) and a grip piece (5);
前記本体（２）は、筒状に形成され、長手方向と当該長手方向に略垂直に交差する側部とを有し、かつ前記本体（２）は、前記長手方向に遠位部、中間部及び近位部とを有し、The main body (2) is formed in a cylindrical shape, and has a longitudinal direction and a side portion that intersects the longitudinal direction substantially perpendicularly, and the main body (2) has a distal portion and an intermediate portion in the longitudinal direction. And a proximal portion,
前記本体（２）の長手方向の遠位部側に穿刺部材（３）を突設し、近位部側にチューブ（Ｔ）の一端部を接続し、A puncture member (3) is projected from the distal side in the longitudinal direction of the main body (2), and one end of the tube (T) is connected to the proximal side.
前記本体（２）の中間部の側部に鍔部（４）を形成し、Forming a flange (4) on the side of the intermediate part of the body (2);
当該鍔部（４）の両側部に、前記穿刺部材（３）を挟んで、お互いに対向するように配置される一対のグリップ片（５）を装着し、A pair of grip pieces (5) arranged to face each other with the puncture member (3) sandwiched between both sides of the heel part (4),
当該グリップ片（５）は、前記鍔部（４）に近い側の一端部である近位部と、前記鍔部（４）に遠い側の一端部である遠位部とを有し、The grip piece (5) has a proximal portion that is one end portion on the side close to the flange portion (4) and a distal portion that is one end portion on the side far from the flange portion (4),
前記鍔部（４）の近位部側から遠位部側に向けて、順次、緩衝部（９）と、保持手段（８）と、グリップ支持部（７）及びグリップ端（６）を一体に形成し、The buffer portion (9), the holding means (8), the grip support portion (7), and the grip end (6) are sequentially integrated from the proximal portion side to the distal portion side of the flange portion (4). Formed into
前記緩衝部（９）の近位部を、前記鍔部（４）に装着し、前記緩衝部（９）の遠位部を、前記保持手段（８）の近位部に装着し、A proximal portion of the buffer portion (9) is attached to the flange portion (4), and a distal portion of the buffer portion (9) is attached to the proximal portion of the holding means (8);
当該保持手段（８）の遠位部に、前記グリップ支持部（７）の近位部を装着し、Attach the proximal part of the grip support (7) to the distal part of the holding means (8),
前記グリップ支持部（７）の遠位部を前記グリップ端（６）の近位部に装着し、Attaching the distal portion of the grip support (7) to the proximal portion of the grip end (6);
前記鍔部（４）と前記保持手段（８）との間に、前記緩衝部（９）を、配置して、前記鍔部（４）と前記保持手段（８）とを離間して配置し、The buffer portion (9) is disposed between the flange portion (4) and the holding means (8), and the flange portion (4) and the holding means (8) are spaced apart. ,
前記緩衝部（９）は、第１の孤（Ｒ１）と第２の孤（Ｒ２）とを有し、前記第１の孤（Ｒ１）は、前記グリップ端（６）側に向けて湾曲し、かつ曲率が前記第２の孤（Ｒ２）よりも大きい孤であり、The buffer portion (9) has a first arc (R1) and a second arc (R2), and the first arc (R1) is curved toward the grip end (6) side. And an arc having a curvature larger than the second arc (R2),
前記第２の孤（Ｒ２）は、前記穿刺部材（３）側に向けて湾曲し、かつ曲率が前記第１の孤（Ｒ１）よりも小さい孤であり、The second arc (R2) is an arc that curves toward the puncture member (3) and has a smaller curvature than the first arc (R1),
前記保持手段（８）は、前記本体（２）の遠位部側でかつ前記本体（２）の側部方向に配置され、かつ前記保持手段（８）は、前記穿刺部材（３）側に向けて延設され、The holding means (8) is disposed on the distal side of the main body (2) and in the direction of the side of the main body (2), and the holding means (8) is on the puncture member (3) side. Extended towards
前記グリップ端（６）は、前記本体（２）の近位部側でかつ前記本体（２）の側部方向に配置され、かつ前記グリップ端（６）は、前記本体（２）側に向けて延設したことを特徴とする注入装置（１）。The grip end (6) is disposed on the proximal side of the main body (2) and in the direction of the side of the main body (2), and the grip end (6) is directed toward the main body (2). An injection device (1) characterized in that it is extended. 請求項１に記載の前記注入装置（１）と混注部材（２１）を有し、
前記混注部材（２１）は、
管状の本体（２２）の上部に突設した筒体（２３）に、
スリット（２９）を形成した栓体（２６）を装着し、
前記筒体（２３）の上部に、キャップ（２４）を冠着し、
当該キャップ（２４）の天面外周に、ストレート状の傾斜部（２５）を形成し、
前記本体（２２）上部と前記キャップ（２４）の底部に形成された肩部（３０）との間に、３６０度開放された隙間Ｓを形成し、
請求項１に記載の前記注入装置（１）の保持手段（８）の下部が前記キャップ（２４）の肩部（３０）に係止することができるように形成した、
ことを特徴とする医療用具。
The injection device (1) according to claim 1 and a mixed injection member (21),
The mixed injection member (21)
A cylindrical body (23) protruding from the upper part of the tubular main body (22)
A plug (26) having a slit (29) is attached,
A cap (24) is crowned on top of the cylinder (23),
A straight inclined portion (25) is formed on the outer periphery of the top surface of the cap (24),
A gap S opened 360 degrees is formed between the upper part of the main body (22) and a shoulder part (30) formed at the bottom of the cap (24),
The lower part of the holding means (8) of the injection device (1) according to claim 1 is formed so as to be able to be engaged with a shoulder (30) of the cap (24).
A medical device characterized by that.
JP2003295978A 2003-08-20 2003-08-20 Injection device and medical device Expired - Fee Related JP4558290B2 (en)

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US8449528B2 (en) * 2010-07-30 2013-05-28 Kimberly-Clark Worldwide Inc. Enteral feeding extension set connector
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US5135489A (en) * 1988-01-25 1992-08-04 Baxter International Inc. Pre-slit injection site and tapered cannula
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US5839715A (en) * 1995-05-16 1998-11-24 Alaris Medical Systems, Inc. Medical adapter having needleless valve and sharpened cannula
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