JP3087850B2 - Multipurpose safe automatic infusion venous catheter - Google Patents
Multipurpose safe automatic infusion venous catheterInfo
- Publication number
- JP3087850B2 JP3087850B2 JP11176678A JP17667899A JP3087850B2 JP 3087850 B2 JP3087850 B2 JP 3087850B2 JP 11176678 A JP11176678 A JP 11176678A JP 17667899 A JP17667899 A JP 17667899A JP 3087850 B2 JP3087850 B2 JP 3087850B2
- Authority
- JP
- Japan
- Prior art keywords
- steel needle
- needle
- base
- fitting
- protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、多用途安全自動輸
液静脈カテーテルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a versatile safe automatic infusion venous catheter.
【０００２】[0002]
【従来の技術】従来より医療で一般に使用されている静
脈カテーテルはほとんど単一の注射針であって、医護人
員によって静脈注射が行われている。その従来の静脈カ
テーテルは、図１に示すように、注射軟針１００および
鋼針２００を含む。鋼針２００の針体２００ａは注射軟
針１００の軟針部１００ａの中に差し込まれ、軟針部１
００ａの硬度を高めている。これによって、注射軟針１
００の軟針部１００ａをスムーズに患者の血管の中に差
し込むことができる。注射軟針１００の軟針部１００ａ
を静脈に差し込んだあと、医護人員は必ず一方の手Ｆで
軟針部１００ａを押付けて患者体内の血液が逆流するの
を防止する。同時に、もう一方の手で必ず鋼針２００を
後に向けて引き、注射軟針１００の中から抜き出し、そ
のあとに点滴輸液管３００を注射軟針１００に連結させ
て注射を完了し、薬液を人体の中にスムーズに注入す
る。また他のものとしては、本出願人による特願平１０
−１９８４６６号の「多用途安全自動輸液静脈カテーテ
ル」がある。2. Description of the Related Art Intravenous catheters generally used in the medical field are almost single needles, and intravenous injections are performed by medical personnel. The conventional intravenous catheter includes a soft needle 100 and a steel needle 200 as shown in FIG. The needle 200a of the steel needle 200 is inserted into the soft needle portion 100a of the soft injection needle 100,
00a is increased. Thereby, the soft needle 1
00 can be smoothly inserted into the blood vessel of the patient. Soft needle part 100a of injection soft needle 100
Is inserted into the vein, the medical caregiver always presses the soft needle portion 100a with one hand F to prevent the blood in the patient from flowing back. At the same time, be sure to pull the steel needle 200 backward with the other hand, pull it out of the soft injection needle 100, and then connect the drip infusion tube 300 to the soft injection needle 100 to complete the injection. Inject smoothly into the. Another example is Japanese Patent Application No.
No. 198466, “Multipurpose safe automatic infusion venous catheter”.
【０００３】[0003]
【発明が解決しようとする課題】上記の従来より一般に
使用されている静脈カテーテルは、使用時下記の欠点が
ある。 (1)医護人員が一方の手で注射軟針１００の軟針部１０
０ａを押さえ、もう一方の手で鋼針２００を抜き出し、
輸液管３００を連結する作業は、非常に忙しく極めて不
便である。 (2)鋼針２００を抜き出したとき外部に完全に露出して
いるので、医護人員を過って刺してしまい、ＡＩＤＳ、
急慢性肝炎などの病気に感染するおそれがあるので、非
常に危険である。The above-mentioned conventional venous catheters generally used have the following drawbacks when used. (1) The medical guard attends the soft needle portion 10 of the soft needle 100 with one hand.
0a, pull out the steel needle 200 with the other hand,
The operation of connecting the infusion tube 300 is very busy and extremely inconvenient. (2) When the steel needle 200 is pulled out, it is completely exposed to the outside.
It is very dangerous because it can be infected with diseases such as acute chronic hepatitis.
【０００４】したがって、本発明の目的は、注射の作業
を簡単かつ安全に行うことができる多用途安全自動輸液
静脈カテーテルを提供することにある。Accordingly, it is an object of the present invention to provide a versatile and safe automatic infusion venous catheter capable of performing injection work easily and safely.
【０００５】[0005]
【課題を解決するための手段】上述の課題を解決するた
めの本発明の多用途安全自動輸液静脈カテーテルは、三
叉管ジョイントと、注射軟針と、鋼針装置とを備える。
三叉管ジョイントは、第１、第２ジョイント端が同軸上
に設けられ、かつ第３ジョイント端は薬液の輸液管と連
結する。注射軟針は三叉管ジョイントの第１ジョイント
端にはめ込まれている。鋼針装置は、鋼針部および保護
はめ筒を含む。鋼針部の底端のベースは常時弾性的に保
護はめ筒の中にはめられ、掛け留められている。保護は
め筒の頂段は三叉管ジョイントの第２ジョイント端には
め込まれ、鋼針部のベースの上側には鋼針ベースが突伸
していて同軸上に鋼針が設置されている。これによって
鋼針は、保護はめ筒の頂端に差し出され、注射軟針の中
に注射軟針と同軸上に差し置かれる。操作して鋼針部と
保護はめ筒との掛け留めを外し、鋼針部を自動的に保護
はめ筒の中に弾入させて落とせば、鋼針部は保護はめ筒
に収納され、医療破棄物としての処理を簡単に行うこと
ができる。また、鋼針ベースにはガイド孔が形成され、
薬液が外に向かってスムーズに流れ出るように誘導す
る。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a multi-purpose safety automatic infusion venous catheter according to the present invention includes a trifurcated joint, a soft needle, and a steel needle device.
The trifurcated joint has first and second joint ends provided coaxially, and a third joint end connected to an infusion tube for a drug solution. The soft needle is fitted in the first joint end of the trifurcated joint. The steel needle device includes a steel needle part and a protective ferrule. The base at the bottom end of the steel needle portion is always elastically fitted into the protective fitting tube and hooked. The top of the protective fitting is fitted into the second joint end of the three-pronged joint, and a steel needle base extends above the base of the steel needle part, and the steel needle is installed coaxially. This causes the steel needle to be inserted into the top end of the protective ferrule and inserted coaxially into the soft needle. Operate to remove the hook between the steel needle and the protective sleeve, and then automatically insert the steel needle into the protective sleeve and drop it.The steel needle is stored in the protective sleeve and destroyed medically Processing as an object can be easily performed. Also, a guide hole is formed in the steel needle base,
It guides the chemical solution to flow smoothly outward.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施例を図面に基
づいて説明する。 （第１実施例）図２から図６に本発明の第１実施例を示
す。この第１実施例による多用途安全自動輸液静脈カテ
ーテルは、三叉管ジョイント１と、注射軟針２と、鋼針
装置３とを備える。三叉管ジョイント１は、第１、第２
ジョイント端１１、１２を同軸上に有し、第３ジョイン
ト端１３に輸液管４を連結することができる。注射軟針
２は、三叉管ジョイント１の第１ジョイント端１１には
め込まれている。鋼針装置３は、鋼針部３１および保護
はめ筒３２を含む。鋼針部３１の底端は常時弾性的に保
護はめ筒３２の中にスライドしてはめ込まれ、掛け留め
られている。保護はめ筒３２の頂部は三叉管ジョイント
１の第２ジョイント端１２の上に密着するようにはめ込
み、鋼針部３１の鋼針３１４を注射軟針の中に同軸上に
なるように差し込む。Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIGS. 2 to 6 show a first embodiment of the present invention. The multipurpose safe automatic infusion venous catheter according to the first embodiment includes a trifurcated joint 1, a soft injection needle 2, and a steel needle device 3. The three-pronged joint 1 includes the first and second
The joint ends 11 and 12 are coaxial, and the infusion tube 4 can be connected to the third joint end 13. The soft injection needle 2 is fitted into the first joint end 11 of the trifurcated joint 1. The steel needle device 3 includes a steel needle part 31 and a protective fitting tube 32. The bottom end of the steel needle portion 31 is always elastically slid and fitted into the protective fitting tube 32 and is hung. The top of the protective fitting 32 is fitted over the second joint end 12 of the three-pronged joint 1 so that the steel needle 314 of the steel needle part 31 is coaxially inserted into the soft injection needle.
【０００７】これによって、使用するときは先に注射軟
針２を鋼針３１４と同時に患者に刺し込み、そのあと鋼
針部３１と保護はめ筒３２との掛け留めを外し、鋼針部
３１を自動的に弾入させて保護はめ筒３２の中に落とす
と、保護はめ筒３２の中に鋼針部３１は収納される。こ
の状態で、医療廃棄物の廃棄処理を行う。三叉管ジョイ
ント１は、プラスチック材で作ることができ、管本体１
０を含む。管本体１０の上段に第１ジョイント端１１を
形成し、管本体１０の下段に第２ジョイント端１２を形
成して、第２ジョイント端１２の末端をゴムはめ頭１２
１にはめる。第１、第２ジョイント端１１、１２は管本
体１０の中心軸線１０ａと同軸上に設けられ、かつ管本
体１０の中段から外側に向かって第３ジョイント端１３
が突伸しており、輸液管４と連結する。[0007] Thus, when used, the soft needle 2 is first inserted into the patient at the same time as the steel needle 314, and then the hook between the steel needle portion 31 and the protective fitting tube 32 is removed. When the steel needle portion 31 is automatically retracted and dropped into the protective fitting tube 32, the steel needle portion 31 is stored in the protective fitting tube 32. In this state, the medical waste is disposed of. The three-pronged pipe joint 1 can be made of a plastic material.
Contains 0. A first joint end 11 is formed in the upper part of the pipe body 10, a second joint end 12 is formed in the lower part of the pipe body 10, and the end of the second joint end 12 is fitted with a rubber head 12.
Fit into one. The first and second joint ends 11 and 12 are provided coaxially with the central axis 10 a of the pipe main body 10, and the third joint ends 13 are provided from the middle to the outer side of the pipe main body 10.
Are connected to the infusion tube 4.
【０００８】注射軟針２は、軟針ベース２１と、軟針部
２２と、針頭蓋２３とを含む。軟針ベース２１は、底端
にはめ孔２１１が形成され、三叉管ジョイント１の第１
ジョイント端１１に密着してはめられる。軟針部２２
は、軟針ベース２１の頂端から上方に向かって延伸し、
軸方向に注射孔２１１が貫通している。針頭蓋２３は、
底端から上方に向かって保護はめ孔２３１を形成して軟
針ベース２１の外側にはめ込み、軟針部２２を中に包み
込む。The injection soft needle 2 includes a soft needle base 21, a soft needle part 22, and a needle skull 23. The soft needle base 21 has a fitting hole 211 formed at the bottom end, and the first
It is fitted closely to the joint end 11. Soft needle part 22
Extends upward from the top end of the soft needle base 21,
The injection hole 211 penetrates in the axial direction. Needle skull 23
A protective fitting hole 231 is formed upward from the bottom end, fitted into the outside of the soft needle base 21, and wraps the soft needle portion 22 therein.
【０００９】図２から図６に示すように、鋼針装置３
は、鋼針部３１と、保護はめ筒３２と、バネ３２８とを
含む。鋼針部３１の底端はベース３１１を形成し、ベー
ス３１１から上方に向かってベース３１１と同軸上に鋼
針ベース３１２を突設し、ならびに鋼針ベース３１２に
は径方向に少なくとも一つのガイド孔３１２ａを貫通さ
せる。また、ベース３１１の底端の外縁から少なくとも
一本の掛けアーム３１３が延伸しており、該掛けアーム
３１３の末端に掛鉤部３１３ａを突設して、該掛鉤部３
１３ａを保護はめ筒３２の掛け孔３２５に対応させて掛
け孔３２５に弾性的に掛け留める。なお、図２から図６
に示すのは、多数本の掛けアーム３１３をもつものであ
る。鋼針ベース３１２の頂段から中空の鋼針３１４が中
にはめ込まれ、鋼針３１４の中央の通し孔３１４ａと該
ガイド孔３１２ａとは互いに導通している。As shown in FIGS. 2 to 6, the steel needle device 3
Includes a steel needle portion 31, a protective fitting tube 32, and a spring 328. The bottom end of the steel needle portion 31 forms a base 311, and a steel needle base 312 projects from the base 311 upward and coaxially with the base 311, and the steel needle base 312 has at least one guide in a radial direction. The hole 312a is made to penetrate. Also, at least one hook arm 313 extends from the outer edge of the bottom end of the base 311, and a hook 313 a is protruded from the end of the hook arm 313, and
13a is elastically hooked into the hook hole 325 corresponding to the hook hole 325 of the protective fitting tube 32. 2 to 6
1 has a large number of hanging arms 313. A hollow steel needle 314 is fitted into the steel needle base 312 from the top, and the through hole 314a at the center of the steel needle 314 and the guide hole 312a are electrically connected to each other.
【００１０】保護はめ筒３２は、上はめ筒３２ａおよび
下はめ筒３２ｂが互いに掛け留め合って形成され、上は
め筒３２ａの頂端の中央には中心軸と同軸上に通し孔３
２１が設けられ、鋼針３１４と鋼針ベース３１２の上段
とはその通し孔３２１を貫通することができる。上はめ
筒３２ａの頂端から上に向かって挟み留め筒部３２２が
突伸しており、挟み留め筒部３２は固く三叉管ジョイン
トの第２ジョイント端１２にはめ留めたゴムはめ頭１２
１を包み挟む。上はめ筒３２ａの底端には上向きに上置
き孔３２３を形成し、鋼針部３１の底端ベース３１１を
上置き孔３２３にスライドして配置する。また、上はめ
筒３２ａの底端の外縁から外側に向かって少なくとも一
つの鉤部３２４を突設して、下はめ筒３２ｂを掛け合わ
せる。上はめ筒３２ａの筒壁上には少なくとも一つの掛
孔３２５を貫通させて設け、その掛孔３２５に鋼針部３
１の各掛けアームの掛鉤部３１３ａを対応させて掛け留
める。下はめ筒３２ｂの頂端の中央から下向きに中心軸
と同軸の下置き孔３２６を形成し、その下置き孔３２６
に鋼針部３１をスライドさせて配置する。下はめ筒３２
ｂの頂段には掛け留め管段３２７を形成し、掛け留め管
段３２７の内縁壁には少なくとも一つの掛歯３２７’を
突設して、上はめ筒３２ａの底端の外縁から外側に向け
て突設した鉤部３２４を掛歯３２７’掛け合わせて、下
はめ筒３２ｂを固く上はめ筒３２ａの下側に掛け留め
る。The protection fitting tube 32 is formed by engaging an upper fitting tube 32a and a lower fitting tube 32b with each other, and has a through hole 3 coaxially with the center axis at the center of the top end of the upper fitting tube 32a.
The steel needle 314 and the upper stage of the steel needle base 312 can pass through the through hole 321. The pinching tube portion 322 protrudes upward from the top end of the upper fitting tube 32a, and the pinching tube portion 32 is firmly fixed to the second joint end 12 of the trifurcated pipe joint.
Wrap and pinch 1. An upper mounting hole 323 is formed upward at the bottom end of the upper fitting cylinder 32a, and the bottom end base 311 of the steel needle portion 31 is slid and disposed in the upper mounting hole 323. Also, at least one hook 324 protrudes outward from the outer edge of the bottom end of the upper fitting cylinder 32a, and is engaged with the lower fitting cylinder 32b. At least one hooking hole 325 is provided on the cylinder wall of the upper fitting cylinder 32a so as to penetrate therethrough.
The hook portions 313a of the respective hanging arms 1 are hooked correspondingly. A lower hole 326 coaxial with the central axis is formed downward from the center of the top end of the lower fitting cylinder 32b, and the lower hole 326 is formed.
The steel needle part 31 is slid and arranged. Lower fitting cylinder 32
A hanging pipe step 327 is formed at the top of b, and at least one hook tooth 327 ′ is protruded from the inner edge wall of the hanging pipe step 327 so as to extend outward from the outer edge of the bottom end of the upper fitting cylinder 32a. The protruding hook 324 is engaged with the hook 327 ', and the lower fitting tube 32b is firmly hooked to the lower side of the upper fitting tube 32a.
【００１１】バネ３２８は、常時上置き孔３２３と鋼針
部ベース３１１との間を突き支え、常時弾性で鋼針部３
１を下向きに突き押している。鋼針部３１と保護はめ筒
３２とが開いたときには、該バネ３２８は弾性的に復帰
して伸長し、鋼針部３１を下向きに突き押してスライド
移動を行わせ、保護はめ筒３２の中に完全に落ち込ませ
る。上はめ筒３２ａの頂端の挟み留め筒部３２２は、多
数の弾性挟み顎であって、上はめ筒３２ａの軸を中心軸
としてリング状に配列し、上はめ筒３２ａの頂端面から
上方に向かって突伸しており、三叉管ジョイントの第２
ジョイント端１２にはめ留められているゴムはめ頭１２
１を固く密着して中に包み挟む。The spring 328 constantly supports the space between the upper hole 323 and the steel needle base 311 and is always elastic and has a high elasticity.
Pushing 1 downward. When the steel needle portion 31 and the protective fitting tube 32 are opened, the spring 328 elastically returns and expands, and pushes the steel needle portion 31 downward to perform a sliding movement. Completely depressed. The pinching cylinder part 322 at the top end of the upper fitting cylinder 32a is a large number of elastic clamping jaws, and is arranged in a ring shape with the axis of the upper fitting cylinder 32a as a central axis, and faces upward from the top end surface of the upper fitting cylinder 32a. And the second of the three-pronged joint
Rubber head 12 fitted to joint end 12
1 is tightly adhered and wrapped inside.
【００１２】上記の鋼針部３１の鋼針ベース３１２は、
三叉管ジョイント１の第２ジョイント端１２にはめ留め
られているゴムはめ頭１２１に差し通す。鋼針３１４を
軟針部２２の中にスライドして配置したとき、鋼針ベー
ス３１２の各ガイド孔３１２ａはゴムはめ頭１２１の上
側に位置し、三叉管ジョイント１の第３ジョイント端１
３に連接された輸液管４と連通して、その輸送される薬
液が各ガイド孔３１２ａから鋼針３１４の中央通し孔３
１４ａを経て外に向かって流れ出す。The steel needle base 312 of the steel needle part 31 is
The rubber joint head 121 fixed to the second joint end 12 of the three-pronged joint 1 is inserted. When the steel needle 314 is slid into the soft needle portion 22, each guide hole 312 a of the steel needle base 312 is located above the rubber fitting head 121, and the third joint end 1 of the three-pronged joint 1.
3 communicates with the infusion tube 4 connected to the center of the steel needle 314 through the guide holes 312a.
It flows outward through 14a.
【００１３】本実施例の多用途安全自動輸液静脈カテー
テルを使用する際は、先に三叉管ジョイント１の第３ジ
ョイント端１３に輸液管４を連結し、注射軟針２の外側
の針頭蓋２３を取り除く。このとき図３に示す状態にな
り、輸液管４の中にもともと存在していた空気は先に鋼
針部３１の各ガイド孔３１２ａを経由して、鋼針３１４
の中央通し孔３１４ａを経て外部に向かって放出するこ
とができる。つまり、輸液管４の中にある薬液、例えば
点滴はスムーズに外に向かって流れる。これによって、
輸液管４および三叉管ジョイント１の中は薬液が充満
し、注射するときに輸液管４の中の空気を過って人体の
中に注入して、医療事故が発生するのを防止することが
できる。このとき、鋼針部３１の鋼針３１４は、注射軟
針２の軟針部２２の中に密着して配置されている。これ
によって、軟針部２２は十分な強度を有し、患者の静脈
の中にスムーズに差し込むことができる。また、三叉管
ジョイント１の第２ジョイント端１２の末端にはめ留め
たゴムはめ頭１２１は、鋼針部３１の鋼針ベース３１２
の外縁に弾性的に包まれているので、輸液管４を経て三
叉管ジョイント１に進入した薬液が第２ジョイント端１
２から外に漏れるおそれがない。When using the multipurpose safe automatic infusion venous catheter of the present embodiment, the infusion tube 4 is first connected to the third joint end 13 of the trifurcated joint 1 and the needle skull 23 on the outside of the soft needle 2 for injection. Get rid of. At this time, the state shown in FIG. 3 is established, and the air originally present in the infusion tube 4 first passes through the respective guide holes 312a of the steel needle portion 31 and passes through the steel needle 314.
Through the central through hole 314a. That is, the drug solution, for example, drip in the infusion tube 4 flows smoothly outward. by this,
The infusion tube 4 and the trifurcated joint 1 are filled with a chemical solution, and when injecting, the air in the infusion tube 4 can be injected into the human body to prevent a medical accident from occurring. it can. At this time, the steel needle 314 of the steel needle portion 31 is disposed in close contact with the soft needle portion 22 of the soft injection needle 2. Thereby, the soft needle part 22 has sufficient strength and can be smoothly inserted into the vein of the patient. The rubber fitting head 121 fastened to the end of the second joint end 12 of the trifurcated pipe joint 1 is attached to the steel needle base 312 of the steel needle part 31.
Is elastically wrapped around the outer edge of the second joint end 1 through the infusion tube 4 and enters the trifurcated joint 1.
There is no risk of leakage from 2
【００１４】そのあと、図４および図５に示すように、
鋼針部３１の掛けアーム３１３を圧縮して、各掛けアー
ム３１３の末端の掛鉤部３１３ａと保護はめ筒３２の掛
孔３２５とを離す。このとき該バネ３２８は弾性的に復
帰して、鋼針部３１を下向きに自動的に突き押し、保護
はめ筒３２の上置き孔３２３、下置き孔３２６の中に滑
り落とす。同時に鋼針３１４を引き戻して、鋼針３１４
を軟針部２２の中から完全に退出させる。鋼針３１４が
完全にゴムはめ頭１２１から退出して図５および図６に
示すような状態になったときには、ゴムはめ頭１２１は
再度弾性的かつ自動的に、鋼針ベース３１２および鋼針
３１４がもともと刺し通されていた孔を密封し、また三
叉管ジョイント１の第２ジョイント端１２の出口を密封
して、鋼針部３１を完全に保護はめ筒３２の中に隠す。
これで、保護はめ筒３２を直接取り外し、同時に保護は
め筒３２の中に配置されている鋼針部の鋼針３１４を取
り外せば、鋼針３１４を保護はめ筒３２と同時に棄てる
ことができる。Then, as shown in FIGS. 4 and 5,
The hanging arms 313 of the steel needles 31 are compressed to separate the hooks 313 a at the ends of the hanging arms 313 from the hanging holes 325 of the protective fitting 32. At this time, the spring 328 returns elastically, automatically pushes the steel needle portion 31 downward, and slides down into the upper placing hole 323 and the lower placing hole 326 of the protective fitting 32. At the same time, the steel needle 314 is pulled back,
From the soft needle portion 22 completely. When the steel needle 314 is completely withdrawn from the rubber fitting head 121 and is in the state shown in FIGS. 5 and 6, the rubber fitting head 121 is again elastically and automatically re-formed with the steel needle base 312 and the steel needle 314. Seals the originally pierced hole and seals the outlet of the second joint end 12 of the trifurcated joint 1 so that the steel needle 31 is completely concealed in the protective ferrule 32.
Thus, by directly removing the protective fitting 32 and simultaneously removing the steel needle 314 of the steel needle portion disposed in the protective fitting 32, the steel needle 314 can be discarded at the same time as the protective fitting 32.
【００１５】図６に示すように、鋼針部３１の鋼針３１
４が軟針部２２から完全に退出したあとは、三叉管ジョ
イント１の第３ジョイント端１３から進入した薬液が自
動的に第１ジョイント端１１から注射軟針２を経て患者
の体内に注入される。もしもそのあとに、患者にその他
の薬材を注射する必要があるときは、第２ジョイント１
２の末端のゴムはめ頭１２１から一般の注射筒を差し込
んで注射を行えばよい。As shown in FIG. 6, the steel needle 31
After the needle 4 has completely exited from the soft needle part 22, the drug solution that has entered from the third joint end 13 of the trifurcated pipe joint 1 is automatically injected from the first joint end 11 into the patient's body via the injection soft needle 2. You. If, after that, the patient needs to be injected with other medication, the second joint 1
The injection may be performed by inserting a general syringe into the rubber fitting head 121 at the end of the second.
【００１６】本実施例の輸液管４は、点滴輸液節流管で
あってもよく、これで一組の点滴注射器を形成すること
ができる。当然、輸液管４の形式、種類については制限
をしない。 （第２実施例）図７に本考案の第２実施例を示す。この
第２実施例では、ただ一本の掛けアーム３１３をもつ。The infusion tube 4 of this embodiment may be a drip infusion node flow tube, which can form a set of infusion syringes. Naturally, the type and type of the infusion tube 4 are not limited. (Second Embodiment) FIG. 7 shows a second embodiment of the present invention. In the second embodiment, only one hanging arm 313 is provided.
【００１７】（第３実施例）図８に本考案の第３実施例
を示す。この第３実施例の保護はめ筒３２は加工して、
上はめ筒３２ａの各掛け孔３２５の一側の孔縁に向かっ
て傾斜する弾性圧板３２９を延伸させて設ける。使用者
が外側から各弾性圧板３２９を押したとき、各弾性圧板
３２９は各掛け孔３２５の中に掛け留めた鋼針部３１の
各掛けアームの掛鉤部３１３ａを圧迫して退出させ、鋼
針部３１と保護はめ筒３２との掛け留めを外す。これに
よって、鋼針部３１と保護はめ筒３２との間を突き支え
ているバネ３２８を弾性的に復帰させ、鋼針部３１を自
動的に保護はめ筒３２の中に弾入する。(Third Embodiment) FIG. 8 shows a third embodiment of the present invention. The protection fitting tube 32 of the third embodiment is machined,
An elastic pressure plate 329 that extends toward one side of each hook hole 325 of the upper fitting cylinder 32a is provided so as to extend. When the user presses each elastic pressure plate 329 from the outside, each elastic pressure plate 329 presses the hook portion 313a of each hook arm of the steel needle portion 31 hooked in each hook hole 325, and retreats. The hook between the part 31 and the protective fitting tube 32 is released. As a result, the spring 328 that supports between the steel needle portion 31 and the protective fitting tube 32 is elastically restored, and the steel needle portion 31 is automatically inserted into the protective fitting tube 32.
【００１８】（第４実施例）図９に本考案の第４実施例
を示す。この第４実施例の保護はめ筒３２は加工して、
上はめ筒３２ａの各掛け孔３２５の相対した二つの孔縁
にそれぞれ傾斜したはね板３２９ａを枢接し、各はね板
３２９ａの底端に鉤部３２９ａ’を形成して保護はめ筒
３２の中に伸入させ、常時鋼針部３１Ａの底端ベース３
１１の底縁に掛けておく。なお、本実施例では、鋼針部
に掛けアームは設けない。各はね板３２９ａの頂段は、
保護はめ筒３２の外側に傾斜して突伸しており、外側か
ら各はね板３２９ａの頂段を押したとき、各はね板３２
９ａはすぐに対応して外向きに底端の鉤部３２９ａ’を
動かして、鋼針部３１Ａの底端のベース３１１の底縁と
離れる。これによって、鋼針部３１Ａと保護はめ筒３２
との間を突き支えているバネ３２８を弾性的に復帰さ
せ、鋼針部３１Ａを自動的に保護はめ筒３２の上置き孔
３２３、下置き孔３２６の中に弾入する。(Fourth Embodiment) FIG. 9 shows a fourth embodiment of the present invention. The protection fitting tube 32 of the fourth embodiment is machined,
The inclined splash plates 329a are pivotally connected to two opposing edges of each of the hook holes 325 of the upper fitting tube 32a, and a hook 329a 'is formed at the bottom end of each of the splash plates 329a to form the protective fitting tube 32. The bottom end base 3 of the steel needle 31A
Hang it on the bottom edge of 11. In this embodiment, no hook arm is provided on the steel needle portion. The top of each splash plate 329a is
When the top of each splash plate 329a is pushed from the outside, each splash plate 32
9a immediately moves the hook portion 329a 'at the bottom end in a corresponding outward direction and separates from the bottom edge of the base 311 at the bottom end of the steel needle portion 31A. As a result, the steel needle portion 31A and the protective fitting tube 32
Then, the spring 328 which supports the elastic member is elastically returned, and the steel needle portion 31A is automatically inserted into the upper mounting hole 323 and the lower mounting hole 326 of the protective fitting tube 32.
【００１９】（第５実施例）図１０に本発明の第５実施
例を示す。この第５実施例の保護はめ筒３２は加工し
て、上はめ筒３２ａの各掛け孔３２５の相対する二つの
孔縁にそれぞれ傾斜した阻止板３２９ｂを枢接し、各阻
止板３２９ｂの頂端を保護はめ筒３２の中に伸入させ、
常時鋼針部３１Ａの底端ベース３１１の底縁に当止する
ように配置する。なお、本実施例では、鋼針部に掛けア
ームは設けない。各阻止板３２９ｂの底段は保護はめ筒
３２の外側に傾斜して突伸しており、外側から各阻止板
３２９ｂの底段を押したときは、各阻止板３２９ｂはす
ぐに対応して外側に向かって動き、鋼針部３１Ａの底端
ベース３１１の底縁から離れる。これによって、鋼針部
３１Ａと保護はめ筒との間を突き支えているバネ３２８
を弾性的に復帰させ、鋼針部３１Ａを自動的に保護はめ
筒３２の上置き孔３２３、下置き孔３２６の中に弾入す
る。(Fifth Embodiment) FIG. 10 shows a fifth embodiment of the present invention. The protection fitting tube 32 of the fifth embodiment is machined, and the inclined blocking plates 329b are pivotally connected to the two opposite edges of each hook hole 325 of the upper fitting tube 32a to protect the top end of each blocking plate 329b. Into the fitting tube 32,
It is arranged so as to always contact the bottom edge of the bottom end base 311 of the steel needle portion 31A. In this embodiment, no hook arm is provided on the steel needle portion. The bottom step of each blocking plate 329b is inclined and protrudes to the outside of the protective fitting tube 32. When the bottom step of each blocking plate 329b is pushed from the outside, each blocking plate 329b immediately corresponds to the outside. To move away from the bottom edge of the bottom end base 311 of the steel needle portion 31A. Thereby, the spring 328 which supports between the steel needle part 31A and the protective fitting tube is provided.
Is elastically restored, and the steel needle portion 31A is automatically inserted into the upper placing hole 323 and the lower placing hole 326 of the protective fitting tube 32.
【００２０】上述の実施例の多用途安全自動輸液静脈カ
テーテルによると、鋼針装置３の鋼針部３１の底端は常
時弾性的に保護はめ筒３２の中に掛け込まれているの
で、使用するときはただ操作して鋼針部３１と保護はめ
筒３２との掛け留めを外しさえすれば、鋼針部３１を迅
速かつ自動的に弾入させて、保護はめ筒３２の中に落ち
込ませて収納することができ、医療廃棄物の処理に便利
で、使用上も十分に便利である。According to the multi-purpose safety automatic infusion venous catheter of the above-described embodiment, the bottom end of the steel needle portion 31 of the steel needle device 3 is always elastically hung in the protective fitting tube 32. When the user only needs to remove the hook between the steel needle portion 31 and the protective fitting tube 32 by operating the steel needle portion 31 quickly and automatically, the steel needle portion 31 is dropped into the protective fitting tube 32. It is convenient for medical waste disposal and convenient for use.
【図１】従来の静脈カテーテルを示す図である。FIG. 1 is a view showing a conventional intravenous catheter.
【図２】本発明の第１実施例による多用途安全自動輸液
静脈カテーテルを示す分解斜視図である。FIG. 2 is an exploded perspective view showing the multi-purpose safe automatic infusion venous catheter according to the first embodiment of the present invention.
【図３】本発明の第１実施例による多用途安全自動輸液
静脈カテーテルの使用状態を示す断面図である。FIG. 3 is a cross-sectional view illustrating a use state of the multipurpose safe automatic infusion venous catheter according to the first embodiment of the present invention.
【図４】本発明の第１実施例による鋼針部が保護はめ筒
から離れた瞬間の状態を示す図である。FIG. 4 is a view showing a state at the moment when the steel needle part is separated from the protective fitting according to the first embodiment of the present invention.
【図５】本発明の第１実施例による鋼針部が完全に保護
はめ筒内に落ちた状態を示す図である。FIG. 5 is a view showing a state in which the steel needle part according to the first embodiment of the present invention has completely fallen into the protective fitting cylinder.
【図６】本発明の第１実施例による鋼針装置が取り外さ
れた状態を示す図である。FIG. 6 is a view showing a state in which the steel needle device according to the first embodiment of the present invention has been removed.
【図７】本発明の第２実施例による多用途安全自動輸液
静脈カテーテルを示す断面図である。FIG. 7 is a cross-sectional view illustrating a multi-purpose safe automatic infusion venous catheter according to a second embodiment of the present invention.
【図８】本発明の第３実施例による多用途安全自動輸液
静脈カテーテルを示す断面図である。FIG. 8 is a cross-sectional view illustrating a multi-purpose safe automatic infusion venous catheter according to a third embodiment of the present invention.
【図９】本発明の第４実施例による多用途安全自動輸液
静脈カテーテルを示す断面図である。FIG. 9 is a cross-sectional view illustrating a multi-purpose safe automatic infusion venous catheter according to a fourth embodiment of the present invention.
【図１０】本発明の第５実施例による多用途安全自動輸
液静脈カテーテルを示す断面図である。FIG. 10 is a cross-sectional view illustrating a multi-purpose safe automatic infusion venous catheter according to a fifth embodiment of the present invention.
１ 三叉管ジョイント ２ 注射軟針 ３ 鋼針装置 ４ 輸液管 １０ 管本体 １１ 第１ジョイント端 １２ 第２ジョイント端 １３ 第３ジョイント端 ２１ 軟針ベース ２２ 軟針部 ３１ 鋼針部 ３１Ａ 鋼針部 ３２ 保護はめ筒 １２１ ゴムはめ頭 ２１１ はめ孔 ３１１ ベース ３１２ 鋼針ベース ３１２ａ ガイド孔 ３１４ 鋼針 ３２８ バネ DESCRIPTION OF SYMBOLS 1 Trifurcated pipe joint 2 Soft injection needle 3 Steel needle device 4 Infusion tube 10 Tube main body 11 First joint end 12 Second joint end 13 Third joint end 21 Soft needle base 22 Soft needle part 31 Steel needle part 31A Steel needle part 32 Protection fitting tube 121 Rubber fitting head 211 Fitting hole 311 Base 312 Steel needle base 312a Guide hole 314 Steel needle 328 Spring
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A61M 25/08 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) A61M 25/08
Claims (5)
に中空の第１ジョイント端が設けられ、前記管本体の下
段に前記第１ジョイント端と同軸に向き合う第２ジョイ
ント端が設けられ、その第２ジョイント端の端末はゴム
はめ頭にはめ込まれ、前記第１ジョイント端と前記第２
ジョイント端との間に輸液管と連結する第３ジョイント
端が外側に向かって突伸するように設けられる三叉管ジ
ョイントと、 底端にはめ孔が形成されて前記第１ジョイント端にはめ
込まれる軟針ベースを含み、その軟針ベースの頂端に軟
針部が連設される注射軟針と、 底端にベースを有する鋼針部と、前記ベースを通常上段
の内部に掛け留めている保護はめ筒とを含み、前記鋼針
部と前記保護はめ筒との間はバネで弾性的に突き止めら
れて前記バネは通常前記鋼針部を下方に突き押してお
り、前記保護はめ筒の頂段は前記第２ジョイント端に密
着するようにはめられ、前記ベースの上側には薬液がス
ムーズに流れ出るようにガイドするガイド孔を有する鋼
針ベースが突伸しており、その鋼針ベースに中心軸に沿
って鋼針が設置され、その鋼針は前記保護はめ筒の頂端
から差し出されて前記注射軟針の中に中心軸に沿って差
し込まれ、前記鋼針部と前記保護はめ筒との掛け留めが
外されたとき、前記鋼針部は前記鋼針部と前記保護はめ
筒との間を突き支えていたバネの弾性の回復によって自
動的に前記保護はめ筒の中に落ちて挿入される鋼針装置
とを備え、 前記鋼針部は、前記ベースの底端の外縁からさらに掛け
アームが延伸しており、その掛けアームの末端に掛鉤部
が突設され、前記鋼針ベースは前記ベースと同軸上に突
出しており、前記ガイド孔は前記鋼針ベースを径方向に
貫通するように形成され、前記鋼針は前記鋼針ベースの
頂段から中にはめ込まれかつ中央通し孔を有し、その中
央通し孔と前記ガイド孔とは互いに導通し、 前記保護はめ筒は、上はめ筒と下はめ筒とが互いにはめ
掛け合って構成され、前記上はめ筒の頂端には中央に中
心軸に沿って貫通孔が貫通しかつ前記ゴムはめ頭を固く
挟み込む挟み留め筒部が突伸しており、前記上はめ筒の
底端には前記ベースがスライドして配置される上置き孔
が形成されかつ外縁から外側に向かって鉤部が突設さ
れ、前記上はめ筒の筒壁には前記掛鉤部が掛け留められ
る掛け孔が 貫通しており、前記下はめ筒の頂端の中央に
は前記鋼針部がスライドして配置される下置き孔が中心
軸に沿って形成され、前記下はめ筒の頂段は掛け合せ管
段を形成し、その掛け合せ管段の内縁壁には掛歯が突設
されて前記鉤部と掛け合い、 前記バネは、通常前記上置き孔と前記ベースとの間を突
き支えることを特徴とする多用途安全自動輸液静脈カテ
ーテル。 1. A hollow tube main body, wherein a hollow first joint end is provided in an upper stage of the tube main body, and a second joint end coaxially facing the first joint end is provided in a lower stage of the tube main body. , The end of the second joint end is fitted with a rubber head, and the first joint end and the second
A three-joint joint provided with a third joint end connected to the infusion tube so as to protrude outward between the joint end and a joint end, and a soft hole which is formed at a bottom end and is fitted into the first joint end. An injection soft needle including a needle base, a soft needle portion being continuously connected to the top end of the soft needle base, a steel needle portion having a base at the bottom end, and a protective fit that usually hangs the base inside the upper stage. The steel needle portion and the protective fitting tube are elastically located between the steel needle portion and the protective fitting tube by a spring, and the spring normally pushes the steel needle portion downward. A steel needle base having a guide hole for guiding a chemical solution to flow smoothly protrudes from an upper side of the base, the steel needle base extending along the central axis. A steel needle is installed and the steel Is inserted from the top end of the protective sleeve and inserted into the soft injection needle along the central axis, and when the hook between the steel needle part and the protective sleeve is released, the steel needle part is removed. is a steel needle device inserted automatically fall into the protective fitting cylinder by butt support have recovery of the elastic spring between the steel needle part and the protective fitting tube, the steel needle Is further hung from the outer edge of the bottom end of the base.
The arm is extended, and the hook at the end of the arm
The steel needle base protrudes coaxially with the base.
The guide hole extends radially through the steel needle base.
The steel needle is formed so as to penetrate, and the steel needle is
It is fitted from the top and has a central through hole, in which
The central through hole and the guide hole are electrically connected to each other, and the protective fitting tube is configured such that the upper fitting tube and the lower fitting tube are fitted to each other.
The upper fitting tube has a center at the top end.
A through hole penetrates along the mandrel and the rubber head is hardened
The pinching cylinder part to pinch is protruding, and the upper fitting cylinder is
An upper hole where the base is slid on the bottom end
Are formed and hooks project outward from the outer edge.
The hook portion is hung on the cylinder wall of the upper fitting cylinder.
Hole is penetrated, and in the center of the top end of the lower fitting tube
Is centered on the lower hole where the steel needle is slid
Formed along the axis, the top of the lower fitting tube
A step is formed, and a hook tooth protrudes from the inner edge wall of the pipe step.
The hook is engaged with the hook, and the spring normally projects between the upper hole and the base.
Multipurpose safe automatic infusion vein catheter characterized by support
-Tel.
ら外側に向かって弾性圧板が傾斜しながら延伸してお
り、その弾性圧板は外側から押されたとき対応して押し
戻され、前記掛け孔の中の掛アームの掛鉤部に掛け込ま
れることを特徴とする請求項１記載の多用途安全自動輸
液静脈カテーテル。2. The upper fitting cylinder, wherein an elastic pressure plate extends while being inclined from one side edge of the hanging hole toward the outside, and the elastic pressure plate is pushed back correspondingly when pressed from the outside, The multipurpose safe automatic infusion venous catheter according to claim 1, wherein the catheter is hooked on a hook portion of a hook arm in the hook hole.
に中空の第１ジョイント端が設けられ、前記管本体の下
段に前記第１ジョイント端と同軸に向き合う第２ジョイ
ント端が設けられ、その第２ジョイント端の端末はゴム
はめ頭にはめ込まれ、前記第１ジョイント端と前記第２
ジョイント端との間に輸液管と連結する第３ジョイント
端が外側に向かって突伸するように設けられる三叉管ジ
ョイントと、 底端にはめ孔が形成されて前記第１ジョイント端にはめ
込まれる軟針ベースを含み、その軟針ベースの頂端に軟
針部が連設される注射軟針と、 底端にベースを有する鋼針部と、前記ベースを通常上段
の内部に掛け留めている保護はめ筒とを含み、前記鋼針
部と前記保護はめ筒との間はバネで弾性的に突き止めら
れて前記バネは通常前記鋼針部を下方に突き押してお
り、前記保護はめ筒の頂段は前記第２ジョイント端に密
着するようにはめられ、前記ベースの上側には薬液がス
ムーズに流れ出るようにガイドするガイド孔を有する鋼
針ベースが突伸しており、その鋼針ベースに中心軸に沿
って鋼針が設置され、その鋼針は前記保護はめ筒の頂端
から差し出されて前記注射軟針の中に中心軸に沿って差
し込まれ、前記鋼針部と前記保護はめ筒との掛け留めが
外されたとき、前記鋼針部は前記鋼針部と前記保護はめ
筒との間を突き支えていたバネの弾性の回復によって自
動的に前記保護はめ筒の中に落ちて挿入される鋼針装置
とを備え、 前記保護はめ筒は、掛け孔が形成され、その掛け孔の一
孔縁に相対する孔縁に向けてはね板が傾斜するように枢
接され、前記はね板の底端は掛け部を形成して前記保護
はめ筒の中に伸入しかつ通常前記ベースの底縁と掛け合
っており、前記はね板の頂段は傾斜して前記保護はめ筒
の外側に突伸し、前記はね板の頂段が外側から押された
とき前記はね板はすぐに対応し、外側に向かって前記掛
け部を動かして前記ベースの底縁から離し、さらに前記
鋼針部と前記保護はめ筒との間を突き支えていたバネを
弾性的に復帰させ、前記鋼針部を前記保護はめ筒に形成
される上、下置き孔に自動的に挿入することを特徴とす
る多用途安全自動輸液静脈カテーテル。(3)Including the hollow tube body, the top of the tube body
A hollow first joint end is provided under the tube body.
A second joystick coaxially facing the first joint end in a step
The end of the second joint end is rubber
The first joint end and the second joint end
Third joint connected to the infusion tube between the joint end
Trifurcated pipes with their ends projecting outward
And A fitting hole is formed at the bottom end and a fitting hole is formed at the first joint end.
The soft needle base includes a soft needle base
A soft injection needle with a needle portion connected thereto, A steel needle having a base at the bottom end, and
A protective sleeve fitted within the interior of the steel needle
The spring is elastically located between the part and the protection fitting tube.
The spring normally pushes the steel needle down
The top of the protective fitting is tightly attached to the end of the second joint.
The base is filled with a chemical solution.
Steel with guide holes to guide the water to flow smoothly
The needle base is extended, and the steel needle base is aligned with the central axis.
The steel needle is installed at the top end of the protective fitting.
From the needle along the central axis into the soft needle
The steel needle part and the protective fitting tube are hooked and fastened.
When disengaged, the steel needle and the protective needle engage with the steel needle.
The elasticity of the spring supporting the cylinder
Steel needle device which is dynamically dropped into said protective sleeve
With The protective fitting has a hanging hole, and one of the hanging holes is formed.
The pivot plate is tilted so that the splash plate is inclined toward the hole edge opposite to the hole edge.
The bottom end of the splash plate forms a hook to protect the
Extends into the barrel and usually engages the bottom edge of the base
The top of the splash plate is inclined and the protective fitting
And the top of the splash plate was pushed from the outside
When the splash plate immediately responds,
Moving the base away from the bottom edge of the base,
The spring which supported between the steel needle part and the protective fitting tube was removed.
Elastically restored, forming the steel needle part on the protective fitting
And automatically insert it into the lower hole.Features
ToMulti-use safe automatic infusion venous catheter.
に中空の第１ジョイント端が設けられ、前記管本体の下
段に前記第１ジョイント端と同軸に向き合う第２ジョイ
ント端が設けられ、その第２ジョイント端の端末はゴム
はめ頭にはめ込まれ、前記第１ジョイント端と前記第２
ジョイント端との間に輸液管と連結する第３ジョイント
端が外側に向かって突伸するように設けられる三叉管ジ
ョイントと、 底端にはめ孔が形成されて前記第１ジョイント端にはめ
込まれる軟針ベースを含み、その軟針ベースの頂端に軟
針部が連設される注射軟針と、 底端にベースを有する鋼針部と、前記ベースを通常上段
の内部に掛け留めている保護はめ筒とを含み、前記鋼針
部と前記保護はめ筒との間はバネで弾性的に突き止めら
れて前記バネは通常前記鋼針部を下方に突き押してお
り、前記保護はめ筒の頂段は前記第２ジョイント端に密
着するようにはめられ、前記ベースの上側には薬液がス
ムーズに流れ出るようにガイドするガイド孔を有する鋼
針ベースが突伸しており、その鋼針ベースに中心軸に沿
って鋼針が設置され、その鋼針は前記保護はめ筒の頂端
から差し出されて前記注射軟針の中に中心軸に沿って差
し込まれ、前記鋼針部と前記保護はめ筒との掛け留めが
外されたとき、前記鋼針部は前記鋼針部と前記保護はめ
筒との間を突き支えていたバネの弾性の回復によって自
動的に前記保護はめ筒の中に落ちて挿入される鋼針装置
とを備え、 前記保護はめ筒は、掛け孔が形成され、その掛孔の相対
した二つの孔縁に阻止板が傾斜するように枢接され、前
記阻止板の頂端は前記保護はめ筒の中に伸入しかつ通常
前記ベースの底縁を突くように配置され、前記阻止板の
底段は傾斜して前記保護はめ筒の外側に突伸し、前記阻
止板の底段が外側から押されたとき前記阻止板はすぐに
対応して外側に向かって作用し、前記ベースの底縁から
離れ、さらに前記鋼針部と前記保護はめ筒との間を突き
支えていたバネを弾性的に復帰させ、前記鋼針部を前記
保護はめ筒に形成される上、下はめ置き孔に自動的に挿
入することを特徴とする多用途安全自動輸液静脈カテー
テル。(4)Including the hollow tube body, the top of the tube body
A hollow first joint end is provided under the tube body.
A second joystick coaxially facing the first joint end in a step
The end of the second joint end is rubber
The first joint end and the second joint end
Third joint connected to the infusion tube between the joint end
Trifurcated pipes with their ends projecting outward
And A fitting hole is formed at the bottom end and a fitting hole is formed at the first joint end.
The soft needle base includes a soft needle base
A soft injection needle with a needle portion connected thereto, A steel needle having a base at the bottom end, and
A protective sleeve fitted within the interior of the steel needle
The spring is elastically located between the part and the protection fitting tube.
The spring normally pushes the steel needle down
The top of the protective fitting is tightly attached to the end of the second joint.
The base is filled with a chemical solution.
Steel with guide holes to guide the water to flow smoothly
The needle base is extended, and the steel needle base is aligned with the central axis.
The steel needle is installed at the top end of the protective fitting.
From the needle along the central axis into the soft needle
The steel needle part and the protective fitting tube are hooked and fastened.
When disengaged, the steel needle and the protective needle engage with the steel needle.
The elasticity of the spring supporting the cylinder
Steel needle device which is dynamically dropped into said protective sleeve
With The protective fitting tube is formed with a hooking hole,
The blocking plate is pivotally connected to the two edges of the hole
The top end of the blocking plate extends into the protective ferrule and is normally
It is arranged to pierce the bottom edge of the base, and
The bottom step is inclined and protrudes outside the protective fitting, and
When the bottom step of the stop plate is pushed from the outside, the stop plate immediately
Acting correspondingly outward, from the bottom edge of the base
Away, and further protruding between the steel needle part and the protective fitting.
The supporting spring is elastically returned, and the steel needle part is
Formed on the protective fitting tube and automatically inserted into the bottom fitting hole
To enterFeatureMultipurpose safe automatic infusion vein catheter
Tell.
であって、その複数の弾性挟み顎は前記上はめ筒の頂端
面に前記上はめ筒の軸を中心軸としてリング状に配列し
て突伸し、かつ前記ゴムはめ頭に固く密着するようには
め込まれることを特徴とする請求項１記載の多用途安全
自動輸液静脈カテーテル。5. The pinching cylinder section includes a plurality of elastic pinching jaws, and the plurality of elastic pinching jaws are arranged on a top end surface of the upper fitting cylinder in a ring shape with an axis of the upper fitting cylinder as a central axis.突伸to, and versatile safety automatic infusion intravenous catheter of claim 1 wherein the rubber is characterized by being fitted into close contact firmly in order head to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW088100056A TW368422B (en) | 1999-01-05 | 1999-01-05 | Multi-purpose safe automatic transfusion catheter needle |
| TW88100056 | 1999-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000197705A JP2000197705A (en) | 2000-07-18 |
| JP3087850B2 true JP3087850B2 (en) | 2000-09-11 |
Family
ID=21639280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11176678A Expired - Fee Related JP3087850B2 (en) | 1999-01-05 | 1999-06-23 | Multipurpose safe automatic infusion venous catheter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3087850B2 (en) |
| TW (1) | TW368422B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4331956B2 (en) * | 2003-02-19 | 2009-09-16 | 川澄化学工業株式会社 | Sheath and introduction circuit |
| US8105288B2 (en) | 2008-01-14 | 2012-01-31 | I-V Access Technology, Inc. | Apparatus for peripheral vascular access |
| US11324939B2 (en) | 2017-08-31 | 2022-05-10 | I-V Access Technology, Inc. | Methods and devices for vascular access |
| US10406326B2 (en) | 2017-08-31 | 2019-09-10 | I-V Access Technology, Inc. | Methods and devices for vascular access |
| CN107929871A (en) * | 2018-01-10 | 2018-04-20 | 程基才 | A kind of free style can retention transfusion system without draw point essence control |
| CN108721730B (en) * | 2018-07-02 | 2023-06-02 | 中国人民解放军总医院 | Injector for viscous medicinal liquids |
| US11318286B2 (en) | 2020-03-23 | 2022-05-03 | I-V Access Technology, Inc. | Catheter needle assembly with enclosable needle |
| US11607525B1 (en) | 2022-06-30 | 2023-03-21 | I-V Access Technology, Inc. | Methods and devices for vascular access |
-
1999
- 1999-01-05 TW TW088100056A patent/TW368422B/en not_active IP Right Cessation
- 1999-06-23 JP JP11176678A patent/JP3087850B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW368422B (en) | 1999-09-01 |
| JP2000197705A (en) | 2000-07-18 |
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