JPH0212997Y2 - - Google Patents
Info
- Publication number
- JPH0212997Y2 JPH0212997Y2 JP1982195155U JP19515582U JPH0212997Y2 JP H0212997 Y2 JPH0212997 Y2 JP H0212997Y2 JP 1982195155 U JP1982195155 U JP 1982195155U JP 19515582 U JP19515582 U JP 19515582U JP H0212997 Y2 JPH0212997 Y2 JP H0212997Y2
- Authority
- JP
- Japan
- Prior art keywords
- cartridge
- hollow needle
- outer cylinder
- sealing member
- mounting
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
【考案の詳細な説明】
本考案は薬液を充填したカートリツジを外筒中
に挿着した所謂「カートリツジ式注射器」の改良
に関する。[Detailed Description of the Invention] The present invention relates to an improvement of a so-called "cartridge-type syringe" in which a cartridge filled with a medicinal solution is inserted into an outer cylinder.
従来、この種のものは第７図示の如く、カート
リツジ１はその先端側をゴム、軟質合成樹脂など
の密封部材３で密封し、後端内面をプランジヤー
ロツドのガスケツトを兼ねた栓４により密封して
薬液ａを充填し、これを外筒２に内挿していた。
使用時には、外筒２の先端に挿着した注射針１１
の後端１７がカートリツジ１の密封部材３に向つ
て突出しているので、カートリツジ１を前進させ
て、これにより密封部材３を刺通させカートリツ
ジ１中の薬液ａを外部に注出自在としていた。 Conventionally, in this type of cartridge, as shown in Figure 7, the front end of the cartridge 1 is sealed with a sealing member 3 made of rubber, soft synthetic resin, etc., and the inner surface of the rear end is sealed with a plug 4 that also serves as a gasket of a plunger rod. The container was filled with chemical solution a, and this was inserted into the outer cylinder 2.
During use, the injection needle 11 inserted into the tip of the outer cylinder 2
Since the rear end 17 protrudes toward the sealing member 3 of the cartridge 1, the cartridge 1 can be advanced to pierce the sealing member 3 and freely pour out the drug solution a in the cartridge 1 to the outside.
この構造によるときは、注射針１１の後端を鋭
利にして密封部材３に向つて突出するように設け
るので製作が簡便であるがこの従来品に使用する
ために製造し添付してある注射針１１以外の注射
針は使用することができず必要に応じ他の色々な
注射針を使用しようとするときに使用できない欠
点があつた。 When using this structure, the rear end of the injection needle 11 is sharpened and provided so as to protrude toward the sealing member 3, so manufacturing is simple. However, the injection needle manufactured and attached for use with this conventional product is There was a drawback that injection needles other than No. 11 could not be used, and various other injection needles could not be used as needed.
このため第８図示の如く密封部材３の開封用の
中空針５を注射針１１とは別体に形成し、この中
空針５を外筒２の先端内面に密封部材３に対向せ
しめて配設する方法が考えられるが、このような
構成にするときは、中空針５を装着筒１０の孔１
３に先端から挿着して接着剤によつて取付けるこ
ととなるため、中空針５と孔１３との接着が不良
であるとカートリツジ１を外筒２中に挿入し中空
針５が密封部材３を完全に刺通する際、その力に
よつて中空針５が後退したり、抜け出したりする
おそれがある。これを避けるためには孔１３に中
空針５の後端を抜け止め式に挿入する方法がある
が外筒２の後端から中空針５を取付けなければな
らず、製作が非常に困難となる欠点があつた。本
考案はかかる従来の不都合を解消するために中空
針を内挿する注射針の装着筒を外筒と別体に形成
することにより解決することができることを知見
して完成したもので構造が簡単で且つ製作容易で
あつて確実に中空針を内挿して抜け止めしたカー
トリツジ式の注射器を提供するもので先端側を密
封部材３で密封して薬液ａを充填したカートリツ
ジ１と先端内面に前記カートリツジ１の密封部材
３を刺通してカートリツジ１中の薬液ａを外部へ
注出自在とする中空針５を備えた外筒２とから成
るものにおいて、前記外筒２の先端部に開口６を
設け、注射針１１の基部１２を装着するための装
着筒１０の基部に筒部９を連設し、該装着筒１０
にカートリツジ１側から中心孔１３と小径部１５
を設けて段部１５ａを形成して中空針５の後部を
密嵌係止し、該中空針５の鋭利な先端１６を前記
密封部材３側に向けて筒部９を外筒２の先端部に
挿嵌固定し、装着筒１０を外筒２の開口部６から
突出せしめたことを特徴とする。 For this purpose, as shown in Figure 8, a hollow needle 5 for opening the sealing member 3 is formed separately from the injection needle 11, and this hollow needle 5 is disposed on the inner surface of the tip of the outer cylinder 2 so as to face the sealing member 3. However, in such a configuration, the hollow needle 5 should be inserted into the hole 1 of the mounting tube 10.
Since the hollow needle 5 is inserted from the tip into the sealing member 3 and attached with adhesive, if the adhesion between the hollow needle 5 and the hole 13 is poor, the cartridge 1 is inserted into the outer cylinder 2 and the hollow needle 5 is attached to the sealing member 3. When the hollow needle 5 is completely pierced, there is a risk that the hollow needle 5 may retreat or come out due to the force. In order to avoid this, there is a method of inserting the rear end of the hollow needle 5 into the hole 13 in a manner that prevents it from coming off, but the hollow needle 5 must be attached from the rear end of the outer cylinder 2, which makes manufacturing very difficult. There were flaws. The present invention was completed based on the finding that it was possible to solve such conventional inconveniences by forming the injection needle mounting cylinder into which the hollow needle is inserted separately from the outer cylinder, and the structure is simple. The present invention provides a cartridge-type syringe that is easy to manufacture and in which a hollow needle is reliably inserted and prevented from coming out.The cartridge type syringe includes a cartridge 1 whose distal end side is sealed with a sealing member 3 and filled with drug solution a, and the cartridge on the inner surface of the distal end. an outer cylinder 2 equipped with a hollow needle 5 that pierces the sealing member 3 of the cartridge 1 to freely pour out the drug solution a in the cartridge 1 to the outside; an opening 6 is provided at the tip of the outer cylinder 2; A cylindrical portion 9 is connected to the base of a mounting barrel 10 for mounting the base 12 of the injection needle 11, and the mounting barrel 10
from the cartridge 1 side to the center hole 13 and small diameter part 15.
is provided to form a stepped portion 15a to tightly fit and lock the rear part of the hollow needle 5, and with the sharp tip 16 of the hollow needle 5 facing the sealing member 3 side, the cylindrical portion 9 is inserted into the tip of the outer tube 2. It is characterized in that the mounting tube 10 is inserted and fixed into the outer tube 2 and the mounting tube 10 is made to protrude from the opening 6 of the outer tube 2.
本考案の実施の一例を示す第１図乃至第４図に
従つて更に詳説すると、次の通りである。 A more detailed explanation will be given below with reference to FIGS. 1 to 4 showing an example of the implementation of the present invention.
カートリツジ１は先端側に環状の段部から成る
首部１８を有し、先端筒部１９の先端開口を密封
部材３で閉塞し該密封部材３をキヤツプ２０によ
り固着した。 The cartridge 1 has a neck portion 18 consisting of an annular stepped portion on the distal end side, and the distal end opening of the distal end cylinder portion 19 is closed with a sealing member 3, which is fixed with a cap 20.
外筒２の先端部には開口６を設け、該開口６周
縁には内方に向う突縁７を一体に設け、該突縁７
には四方に切込溝２１を設けた。該外筒２の開口
６側には、肩部８が係止されて抜け止めされた筒
部９が内挿されており、該筒部９の先端側に注射
針１１の基部１２を装着する装着筒１０が肩部８
と連設し外筒２の開口６より突出して設けられて
いる。肩部８には第２図示の如く外筒２の突縁７
に形成した切込溝２１に嵌合する凸部２２が一体
に形成されており、両者の嵌合により外筒２に対
して筒部９が廻り止めされている。装着筒１０の
中心孔１３は先端側で小径部１５を有してカート
リツジ１側を向く段部１５ａが形成され中空針５
が中心孔１３にその後端１４で装着された際、中
空針５を抜け止めする。該中空針５の先端１６は
鋭利に形成されておりカートリツジ１の密封部材
３と対面させてある。２３，２４は筒部９の後端
側で移動を阻止するために係合させた突縁と凹
溝、２５は注射針１１の基部１２を螺着させるた
めの螺筒、２６は外筒２の内周面に形成した段部
で、使用前において、カートリツジ１の肩部２７
周辺部分を圧接し抜止めするためのものである。
２８は外筒２の後端に一体に形成した切込溝２９
を有する係止片で、カートリツジ１を外筒２中に
押し込んだ際、カートリツジ１後端の鍔片３を後
退しないように係止するものである。 An opening 6 is provided at the tip of the outer cylinder 2, and a projecting edge 7 facing inward is integrally provided on the periphery of the opening 6.
Cut grooves 21 were provided on all sides. A cylindrical portion 9 with a shoulder portion 8 locked and prevented from coming off is inserted into the opening 6 side of the outer cylinder 2, and the base 12 of the injection needle 11 is attached to the distal end side of the cylindrical portion 9. The mounting tube 10 is attached to the shoulder portion 8
It is provided so as to protrude from the opening 6 of the outer cylinder 2. As shown in the second figure, the shoulder portion 8 has a protruding edge 7 of the outer cylinder 2.
A convex portion 22 that fits into a cut groove 21 formed in the outer tube 2 is integrally formed, and the cylindrical portion 9 is prevented from rotating relative to the outer tube 2 by fitting the two together. The center hole 13 of the mounting tube 10 has a small diameter portion 15 on the distal end side, and a stepped portion 15a facing the cartridge 1 side is formed, and the hollow needle 5
When the rear end 14 is attached to the center hole 13, the hollow needle 5 is prevented from coming off. The tip 16 of the hollow needle 5 is formed sharply and faces the sealing member 3 of the cartridge 1. Reference numerals 23 and 24 denote a protrusion and a groove engaged on the rear end side of the cylindrical portion 9 to prevent movement; 25 denotes a screw cylinder for screwing the base 12 of the injection needle 11; 26 denotes an outer cylinder 2; The shoulder portion 27 of the cartridge 1 is a step formed on the inner circumferential surface of the cartridge 1 before use.
This is to press the surrounding area and prevent it from coming out.
28 is a cut groove 29 integrally formed at the rear end of the outer cylinder 2.
This is a locking piece that locks the collar piece 3 at the rear end of the cartridge 1 so that it does not move back when the cartridge 1 is pushed into the outer cylinder 2.
以上のような構成であるので外筒２を製作する
際には第３図示の如く筒部９の装着筒１０の孔１
３に中空針５をその後端から挿入して接着固定し
次いで外筒２の後端から挿入して先端開口６まで
進出させると筒部９はその肩部８と突縁２３が外
筒２の突縁７と凹溝２４によつて係止されて固定
されると共に筒部９の凸部２２と突縁７の切込溝
２１により廻り止めされて固定される。 Since the structure is as described above, when manufacturing the outer cylinder 2, the hole 1 of the mounting cylinder 10 of the cylinder part 9 is made as shown in the third figure.
3, the hollow needle 5 is inserted from the rear end and fixed with adhesive, and then inserted from the rear end of the outer cylinder 2 and advanced to the tip opening 6. The shoulder part 8 and the ridge 23 of the cylinder part 9 are attached to the outer cylinder 2. The projecting edge 7 and the concave groove 24 lock and fix it, and the convex part 22 of the cylindrical part 9 and the cut groove 21 of the projecting edge 7 prevent rotation.
使用時にあつては第４図示の如く外筒２中のカ
ートリツジ１の先端側の密封部材３を中空針５に
向つて進出させれば密封部材３は中空針５に刺通
されてカートリツジ１中の薬液ａは中空針５を介
して外筒２外へ注出自在となる。その後は常法に
従つて装着筒１０に注射針１１の基部１２を螺着
し、他方、栓４にプランジヤーロツド（図示しな
い）を接続して通常の注射器と同様に使用する。 In use, when the sealing member 3 on the distal end side of the cartridge 1 in the outer cylinder 2 is advanced toward the hollow needle 5 as shown in the fourth figure, the sealing member 3 is pierced by the hollow needle 5 and is inserted into the cartridge 1. The chemical solution a can be freely poured out of the outer cylinder 2 through the hollow needle 5. Thereafter, the base 12 of the syringe needle 11 is screwed onto the mounting barrel 10 in a conventional manner, and a plunger rod (not shown) is connected to the stopper 4, and the syringe is used in the same manner as a normal syringe.
第５図及び第６図は本考案の他の実施例を示す
もので、これは、前記実施例と相違して装着筒１
０を備えた筒部９を外筒２の先端開口６側で外嵌
して設けた例を示す。この構成にあつては、筒部
９の装着筒１０側の内面に外筒２の先端縁に形成
された突縁３１を嵌合するための孔３２を穿設し
た肉厚部３３を形成し両者の嵌合により廻り止め
した。３４はカートリツジ１を中空針５に向つて
進出させたときに、その首部１８が係止して後退
を阻止するための突起であり他の構成は前記実施
例と同様である。 5 and 6 show another embodiment of the present invention, which differs from the previous embodiment in that the mounting tube 1 is
An example is shown in which a cylindrical portion 9 having a diameter of 0 is fitted onto the end opening 6 side of the outer cylinder 2. In this configuration, a thick portion 33 is formed on the inner surface of the cylindrical portion 9 on the mounting tube 10 side, in which a hole 32 for fitting the protrusion 31 formed at the tip edge of the outer tube 2 is formed. Rotation was stopped by fitting the two together. Reference numeral 34 denotes a protrusion with which the neck 18 of the cartridge 1 is engaged to prevent it from retreating when the cartridge 1 is advanced toward the hollow needle 5, and the other configurations are the same as in the previous embodiment.
以上の実施例にあつては注射針１１の基部１２
を装着筒１０の外周に設けた螺筒２５に螺着する
ものを示したが装着筒１０の外面をルアーテーパ
ーに形成して基部１２を嵌着させてもよい。 In the above embodiment, the base 12 of the injection needle 11
Although shown as being screwed onto a threaded tube 25 provided on the outer periphery of the mounting tube 10, the outer surface of the mounting tube 10 may be formed into a Luer taper and the base 12 may be fitted therein.
このように本考案によるときはガラス製のカー
トリツジ１を摺動自在に嵌挿して、該カートリツ
ジ１の先端に設けた密封部材３を刺通する中空針
５を備える合成樹脂製の外筒２には、注射針１１
の基部１２を嵌着する装着筒１０を固着し該装着
筒１０のカートリツジ１側から中心孔１３と小径
部１５を設けて段部１５ａを形成し、前記中空針
５の後端を抜止め挿入させたものであるから、装
着筒１０への中空針５の取付けが簡単確実になつ
て製作が極めて容易になり、かつ適宜の材質の中
空針を用いることができ、また外筒２への注射針
１１の取付けが簡単になると共にカートリツジ１
は外筒２内を摺動することによりその先端の密封
部材３を中空針５により開封されてその開封が容
易に行なわれる等の効果を有する。 In this way, according to the present invention, a glass cartridge 1 is slidably inserted into an outer cylinder 2 made of synthetic resin and equipped with a hollow needle 5 that pierces the sealing member 3 provided at the tip of the cartridge 1. is injection needle 11
A mounting cylinder 10 into which the base 12 of the hollow needle 5 is fitted is fixed, a center hole 13 and a small diameter part 15 are provided from the cartridge 1 side of the mounting cylinder 10 to form a stepped part 15a, and the rear end of the hollow needle 5 is inserted without being pulled out. Since the hollow needle 5 can be easily and securely attached to the mounting tube 10, the manufacturing process is extremely easy, and a hollow needle made of an appropriate material can be used. The needle 11 can be easily installed and the cartridge 1 can be easily installed.
By sliding inside the outer cylinder 2, the sealing member 3 at the tip thereof is opened by the hollow needle 5, and the opening can be easily performed.
図示するものは本考案の実施の一例を示すもの
で、第１図はその截断側面図、第２図は第１図の
正面図、第３図は組立工程を説明するための分解
図、第４図は使用状態の截断側面図、第５図及び
第６図は、本考案の他の実施例を示すもので第５
図はその截断側面図、第６図は第５図の−線
截断面図、第７図及び第８図は従来品を示す截断
面図である。
１……カートリツジ、２……外筒、３……密封
部材、４……栓、５……中空針、６……外筒開
口、９……筒部、１０……装着筒、１１……注射
針、１２……注射針基部、１３……中空針後端、
１４……小径部、１５……中空針先端。
The illustrations show an example of the implementation of the present invention; FIG. 1 is a cutaway side view, FIG. 2 is a front view of FIG. 1, FIG. 3 is an exploded view for explaining the assembly process, and FIG. FIG. 4 is a cutaway side view of the state of use, and FIGS. 5 and 6 show other embodiments of the present invention.
6 is a cross-sectional view taken along the line -- in FIG. 5, and FIGS. 7 and 8 are cross-sectional views showing a conventional product. DESCRIPTION OF SYMBOLS 1... Cartridge, 2... Outer tube, 3... Sealing member, 4... Plug, 5... Hollow needle, 6... Outer tube opening, 9... Cylinder part, 10... Mounting tube, 11... Injection needle, 12... Injection needle base, 13... Hollow needle rear end,
14...Small diameter part, 15...Hollow needle tip.
Claims (1)
たカートリツジ１と先端内面に前記カートリツジ
１の密封部材３を刺通してカートリツジ１中の薬
液ａを外部へ注出自在とする中空針５を備えた外
筒２とから成るものにおいて、前記外筒２の先端
部に開口６を設け、注射針１１の基部１２を装着
するための装着筒１０の基部に筒部９を連設し、
該装着筒１０にカートリツジ１側から中心孔１３
と小径部１５を設けて段部１５ａを形成して中空
針５の後部を密嵌係止し、該中空針５の鋭利な先
端１６を前記密封部材３側に向けて筒部９を外筒
２の先端部に挿嵌固定し、装着筒１０を外筒２の
開口部６から突出せしめたことを特徴とするカー
トリツジを内挿した注射器。 A cartridge 1 whose distal end side is sealed with a sealing member 3 and filled with a drug solution a, and a hollow needle 5 which pierces the sealing member 3 of the cartridge 1 into the inner surface of the distal end and can freely pour out the drug solution a in the cartridge 1 to the outside are provided. An opening 6 is provided at the tip of the outer cylinder 2, and a cylindrical part 9 is connected to the base of a mounting cylinder 10 for mounting the base 12 of the injection needle 11,
A center hole 13 is inserted into the mounting cylinder 10 from the cartridge 1 side.
A small diameter part 15 is provided to form a stepped part 15a, and the rear part of the hollow needle 5 is tightly fitted and locked, and the cylindrical part 9 is inserted into the outer cylinder with the sharp tip 16 of the hollow needle 5 facing the sealing member 3 side. A syringe into which a cartridge is inserted, characterized in that the cartridge is inserted and fixed at the distal end of the outer cylinder 2, and the mounting cylinder 10 is made to protrude from the opening 6 of the outer cylinder 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19515582U JPS59100433U (en) | 1982-12-24 | 1982-12-24 | Syringe with cartridge inserted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19515582U JPS59100433U (en) | 1982-12-24 | 1982-12-24 | Syringe with cartridge inserted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59100433U JPS59100433U (en) | 1984-07-06 |
| JPH0212997Y2 true JPH0212997Y2 (en) | 1990-04-11 |
Family
ID=30419240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19515582U Granted JPS59100433U (en) | 1982-12-24 | 1982-12-24 | Syringe with cartridge inserted |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59100433U (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS647045A (en) * | 1987-06-30 | 1989-01-11 | Fuji Electric Co Ltd | Electrophotographic sensitive body |
| JPH01110370A (en) * | 1987-10-16 | 1989-04-27 | Buendel Glas Gmbh | Injector |
| JP3313706B2 (en) * | 1990-11-14 | 2002-08-12 | ドージェクト・メディカル・システムズ・インコーポレーテッド | Syringe |
| JP3385645B2 (en) * | 1993-03-12 | 2003-03-10 | ニプロ株式会社 | Drug-filled syringe |
| JP3263244B2 (en) * | 1994-06-23 | 2002-03-04 | 日本メジフィジックス株式会社 | Radioactive substance injection device with anti-spin mechanism for syringe-type vial |
| US5549575A (en) * | 1994-09-13 | 1996-08-27 | Becton Dickinson And Company | Cartridge retainer assembly for medication delivery pen |
| JPH1015064A (en) * | 1996-07-03 | 1998-01-20 | Nissho Corp | Communicating needle for medicinal liquid packing type syringe |
| EP1186350A4 (en) * | 1999-04-28 | 2003-03-05 | Omron Tateisi Electronics Co | Liquid spray device |
| JP3999489B2 (en) * | 2001-10-19 | 2007-10-31 | 住友ゴム工業株式会社 | Syringe |
| JP3688629B2 (en) * | 2001-11-13 | 2005-08-31 | テルモ株式会社 | Syringe |
| CN101785884B (en) * | 2003-12-26 | 2013-01-30 | 韦特·特拉斯特日本株式会社 | Portable jetting/filling device |
| EP3108915A1 (en) * | 2015-06-22 | 2016-12-28 | Sanofi-Aventis Deutschland GmbH | Drug delivery device with cartridge piercing when cap is pulled off |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919686A (en) * | 1972-02-07 | 1974-02-21 | ||
| JPS52113593A (en) * | 1976-03-19 | 1977-09-22 | Sherwood Medical Ind Inc | Nonnperoral medicine stock injector |
-
1982
- 1982-12-24 JP JP19515582U patent/JPS59100433U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919686A (en) * | 1972-02-07 | 1974-02-21 | ||
| JPS52113593A (en) * | 1976-03-19 | 1977-09-22 | Sherwood Medical Ind Inc | Nonnperoral medicine stock injector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59100433U (en) | 1984-07-06 |
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