JP2002102344A - Puncture tool - Google Patents
Puncture toolInfo
- Publication number
- JP2002102344A JP2002102344A JP2000301574A JP2000301574A JP2002102344A JP 2002102344 A JP2002102344 A JP 2002102344A JP 2000301574 A JP2000301574 A JP 2000301574A JP 2000301574 A JP2000301574 A JP 2000301574A JP 2002102344 A JP2002102344 A JP 2002102344A
- Authority
- JP
- Japan
- Prior art keywords
- protector
- hub
- needle body
- puncture device
- needle
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、注射、輸液や採血
の際に血管に穿刺して使用される医療用の穿刺具に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical puncture device used for puncturing a blood vessel during injection, infusion or blood collection.
【0002】[0002]
【従来の技術】近年、使用後の注射針などにキャップす
るときの誤刺が問題となっており、その問題を解決する
ために種々の技術が開示され、その中に、針体に向けて
回動させて針体を覆うプロテクタをハブに設けたものが
ある。これらのものは、比較的構造が簡単で確実に針先
を覆うことができることで一応の効果があげらている。
更に使用時の操作性の向上を考慮してプロテクタを針体
に対し軸回転をできるように設けて操作時にプロテクタ
が邪魔にならない位置に術者が任意に設定できるように
したものなども開示されている。2. Description of the Related Art In recent years, erroneous insertion when capping a used injection needle or the like has become a problem, and various techniques have been disclosed in order to solve the problem. Some hubs are provided with a protector that rotates to cover the needle body. These are relatively simple in structure and can provide a certain effect because they can cover the needle tip reliably.
Further, in consideration of improvement in operability during use, a protector is provided so as to be capable of rotating the shaft with respect to the needle body so that the operator can arbitrarily set the protector at a position where it does not interfere with operation. ing.
【0003】しかし、使用後に廃棄などでプロテクタに
覆われた針体をシリンジなどの医療器具から取り外す場
合には、針体ハブとこれらの医療器具の接続は摩擦嵌合
やねじ込み嵌合などにより行われているため、ハブを医
療器具に対して軸回転方向にひねってから取り外すこと
が一般的に行われている。そのため、上述したような操
作時にプロテクタが邪魔にならないようにプロテクタを
針体に対し軸回転をできるように設けたものは、取り外
そうとするとプロテクタだけが回ってしまうため、針体
ハブと医療器具の接続を解除することが困難な場合が生
じるおそれがある。[0003] However, when the needle covered with the protector is removed from a medical device such as a syringe due to disposal after use, the connection between the needle hub and these medical devices is performed by friction fitting or screw fitting. For this reason, it is common practice to twist the hub relative to the medical device in the axial rotation direction and then remove the hub. Therefore, in the case where the protector is provided so as to be able to rotate with respect to the needle body so that the protector does not interfere with the operation as described above, only the protector rotates when trying to remove the protector. It may be difficult to disconnect the instrument.
【0004】[0004]
【発明が解決しようとする課題】本発明の目的は、使用
時の操作性を維持しつつ、使用後にプロテクタで針体を
覆った状態でシリンジなどの医療器具から容易に取り外
すことができる穿刺具を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a puncture device which can be easily removed from a medical device such as a syringe with a protector covering the needle after use, while maintaining operability during use. Is to provide.
【0005】[0005]
【課題を解決するための手段】上記課題は以下の本発明
により解決される。The above object is achieved by the present invention described below.
【0006】(1)本発明は、鋭利な針先を有する針体
と、前記針体の基端に設けられたハブと、前記針体から
離間する第一の位置と、前記針体の少なくとも針先を覆
う第二の位置との間を回動可能に、前記ハブに設けられ
たプロテクタとを有する穿刺具であって、前記プロテク
タが前記第二の位置にある時、前記プロテクタの前記針
体に対する軸回転を規制する回転防止手段を有すること
を特徴とする穿刺具である。(1) The present invention provides a needle body having a sharp needle tip, a hub provided at a base end of the needle body, a first position separated from the needle body, and at least one of the needle bodies. A puncture device having a protector provided on the hub so as to be rotatable between a second position covering the needle tip, wherein the needle of the protector is provided when the protector is at the second position. A puncture device comprising a rotation preventing means for restricting rotation of a shaft with respect to a body.
【0007】(2)本発明は、前記プロテクタが、前記
第一の位置にある時は前記針体に対して軸回転が可能で
あり、前記第二の位置にある時は前記回転防止手段によ
り軸回転が規制されるものであることを特徴とする上記
(1)に記載の穿刺具である。(2) The present invention is characterized in that the protector is rotatable with respect to the needle body when the protector is at the first position, and is provided by the rotation preventing means when the protector is at the second position. The puncture device according to the above (1), wherein the rotation of the shaft is restricted.
【0008】(3)本発明は、前記プロテクタの基端に
接続したカラーを前記ハブに嵌め込むことにより、前記
プロテクタが前記ハブに設けられていることを特徴とす
る上記(1)乃至(2)に記載の穿刺具である。(3) The present invention is characterized in that the protector is provided on the hub by fitting a collar connected to a base end of the protector into the hub. ).
【0009】(4)本発明は、前記回転防止手段が、前
記プロテクタの基端および前記ハブの少なくとも一方に
設けられた凹凸部から構成されることを特徴とする上記
(1)乃至(3)に記載の穿刺具である。(4) The present invention is characterized in that the rotation preventing means comprises an uneven portion provided on at least one of a base end of the protector and the hub. 2. The puncture device according to 1.
【0010】[0010]
【発明の実施の形態】以下、本発明に係る穿刺具の実施
形態の一例を示す。図1及び図2に示す穿刺具1は、鋭
利な針先21と基端に設けられたハブ22とを有する針
体2と、針体2から離間する第一の位置(図1の状態)
と、針体2の針先21を覆う第二の位置(図2の状態)
との間を回動可能に、ハブ22に設けられたプロテクタ
3とからなる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a puncture device according to the present invention will be described below. The puncture device 1 shown in FIGS. 1 and 2 has a needle body 2 having a sharp needle tip 21 and a hub 22 provided at a base end, and a first position separated from the needle body 2 (the state of FIG. 1).
And a second position covering the needle tip 21 of the needle body 2 (the state of FIG. 2).
And a protector 3 provided on the hub 22 so as to be rotatable therebetween.
【0011】プロテクタ3には、その基端付近に突起部
31と、長手方向に延び針体2を収納するスリット32
とが設けられている。また、プロテクタ3には、その基
端部に回動軸部5を介してカラー4が接続されており、
カラー4をハブ22に嵌め込むことでプロテクタ3はハ
ブ22に接続される。The protector 3 has a projection 31 near its base end and a slit 32 extending in the longitudinal direction for accommodating the needle body 2.
Are provided. A collar 4 is connected to the protector 3 via a rotation shaft 5 at a base end thereof.
The protector 3 is connected to the hub 22 by fitting the collar 4 into the hub 22.
【0012】ハブ22は、先端付近には複数のリブ23
が設けられ、中間から後端にかけてはカラー4が嵌めら
れている。リブ23の数は特に限定されない。The hub 22 has a plurality of ribs 23 near the tip.
Is provided, and the collar 4 is fitted from the middle to the rear end. The number of the ribs 23 is not particularly limited.
【0013】カラー4は、ハブ22に対し軸回転が可能
に嵌められる。カラー4の形状としては、ハブ22に軸
回転が可能に嵌められる形状であれば特に限定する必要
はなく、円形または半円形のリング状のものなどがあげ
られる。The collar 4 is fitted to the hub 22 so as to be rotatable about the axis. The shape of the collar 4 is not particularly limited as long as the collar 4 can be fitted to the hub 22 so as to be rotatable around the axis, and examples thereof include a circular or semicircular ring.
【0014】カラー4とハブ22との間には、カラー4
がハブ22から外れることを防止する手段を設けること
が望ましく、カラー4とハブ22との接触面の一方に円
周方向に延びる凹部、他方に凸部を設け、凹部の円周方
向に凸部が移動させる方法や、ハブ22にカラー4を先
端方向と後端方向から挟む突起などを設ける方法などが
あげられる。後者の場合、リブ23がカラー4を先端方
向から挟む突起を兼ねても良い。A collar 4 is provided between the collar 4 and the hub 22.
It is desirable to provide a means for preventing the collar 4 from coming off the hub 22. One of the contact surfaces between the collar 4 and the hub 22 is provided with a concave portion extending in the circumferential direction, and the other is provided with a convex portion. And a method in which the hub 22 is provided with a projection or the like that sandwiches the collar 4 from the front end direction and the rear end direction. In the latter case, the ribs 23 may also serve as projections that sandwich the collar 4 from the tip direction.
【0015】プロテクタ3の突起部31と、ハブ22の
リブ23とは、プロテクタ3が第二の位置にあるとき、
プロテクタ3の針体2に対する軸回転を規制する回転防
止手段を構成する。つまり、プロテクタ3は、第一の位
置の時、針先21の刃面24が向いた位置を中心にして
カラー4によって軸回転が可能であるが、第二の位置の
時、突起部31がリブ23に係止されて軸回転は規制さ
れる。When the protector 3 is at the second position, the projection 31 of the protector 3 and the rib 23 of the hub 22
A rotation preventing means for restricting rotation of the protector 3 with respect to the needle body 2 is constituted. That is, when the protector 3 is in the first position, the protector 3 can be axially rotated by the collar 4 about the position where the blade surface 24 of the needle tip 21 faces, but in the second position, the protrusion 31 The shaft rotation is restricted by being locked by the rib 23.
【0016】回動軸部5の構造は特に限定されず、図示
するような一方を他方に嵌め込んでピンで留めるもの
や、プロテクタ3とカラー4との間を可撓性材料で一体
成形したものなどがあげられる。The structure of the rotating shaft portion 5 is not particularly limited, and one of them is fitted to the other and fixed with a pin as shown in the figure, or the protector 3 and the collar 4 are integrally formed of a flexible material. Things.
【0017】プロテクタ3の内部にはロック部33が設
けられ、プロテクタ3が第二の位置にあるとき、その断
面図(図3)に示すように、針体2をプロテクタ3内に
固定し、プロテクタ3が第一の位置に戻ることを防ぐ。A lock portion 33 is provided inside the protector 3, and when the protector 3 is at the second position, the needle body 2 is fixed in the protector 3 as shown in the sectional view (FIG. 3). This prevents the protector 3 from returning to the first position.
【0018】なお、本実施形態において、針2は、特に
限定しないが、例えば、ステンレス鋼、アルミニウムま
たはアルミニウム合金、チタンまたはチタン合金の金属
で構成される。プロテクタ3、ハブ22およびカラー4
などの針体2以外の部材は、特に限定しないが、例え
ば、ポリエチレン、ポリプロピレン、ポリブタジエン、
エチレン−酢酸ビニル共重合体等のポリオレフィン、ポ
リ塩化ビニル、ポリウレタン、ポリスチレン、ポリメチ
ルメタクリレート、ポリカーボネート、ポリアミド、ポ
リエチレンテレフタレート、ポリブチレンテレフタレー
ト等のポリエステル、アクリル樹脂、ABS樹脂、AS
樹脂、アイオノマー、ポリアセタール、ポリフェニレン
サルフィルド、ポリエーテルエーテルケトン等の樹脂材
料があげられる。In this embodiment, the needle 2 is made of, for example, but not limited to, stainless steel, aluminum or an aluminum alloy, titanium or a titanium alloy. Protector 3, hub 22 and collar 4
The member other than the needle body 2 such as is not particularly limited, for example, polyethylene, polypropylene, polybutadiene,
Polyolefin such as ethylene-vinyl acetate copolymer, polyvinyl chloride, polyurethane, polystyrene, polymethyl methacrylate, polycarbonate, polyamide, polyethylene terephthalate, polyester such as polybutylene terephthalate, acrylic resin, ABS resin, AS
Resin materials such as resin, ionomer, polyacetal, polyphenylene sulfide, and polyetheretherketone are exemplified.
【0019】次に、穿刺具1の使用方法について説明す
る。まず、穿刺具1にハブ22の後端開口部からシリン
ジ(図示しない)を差し込む。この時、穿刺具1とシリ
ンジは、ハブ22の内面とシリンジ先端部の外面との摩
擦嵌合またはねじ込み嵌合により固定される。そして、
プロテクタ3が、第一の位置(図1の状態)にある状態
で、刃面24を上に向け針体2を針先21から目標に穿
刺する。通常、プロテクタ3は刃面24の向く方向に位
置させておくが、刃面24の向きを確認しながら穿刺し
たい場合や、プロテクタ3を第二の位置に移動させるた
めの指の位置などを考慮して、プロテクタ3を軸回転さ
せ、つまり左右いずれに倒して使用することができる。Next, a method of using the puncture device 1 will be described. First, a syringe (not shown) is inserted into the puncture device 1 from the rear end opening of the hub 22. At this time, the puncture device 1 and the syringe are fixed by friction fitting or screw fitting between the inner surface of the hub 22 and the outer surface of the tip of the syringe. And
In a state where the protector 3 is in the first position (the state shown in FIG. 1), the needle body 2 is punctured from the needle tip 21 to the target with the blade surface 24 facing upward. Normally, the protector 3 is positioned in the direction in which the blade surface 24 faces. However, it is necessary to consider the case where the user wants to puncture while checking the direction of the blade surface 24 or the position of a finger for moving the protector 3 to the second position. Then, the protector 3 can be used by rotating the protector 3, that is, tilting the protector 3 left or right.
【0020】なお、穿刺前の針体2の保護は、プロテク
タ3で予め針体2を覆っておき使用直前に第一の位置に
移動させるか、プロテクタ3が第一の位置にある状態で
別の筒状のプロテクタで針体2を覆っておき使用直前に
それを外すことにより行うことができる。The protection of the needle body 2 before puncturing can be performed by covering the needle body 2 with the protector 3 in advance and moving the needle body 2 to the first position immediately before use, or separately while the protector 3 is in the first position. Can be performed by covering the needle body 2 with the cylindrical protector and removing it immediately before use.
【0021】穿刺後、プロテクタ3を第二の位置に移動
させ、針体2をプロテクタ3内に固定する。その後、針
体2がプロテクタ3に覆われた状態で穿刺具1をシリン
ジから外す。この時、プロテクタ3を掴み、穿刺具1ま
たはシリンジの少なくとも一方を捻りながら外すが、図
4から図5に示すとおり、プロテクタ3の突起部31が
ハブ22のリブ23に係止されてプロテクタ3の軸回転
が規制されるため、捻ることにより発生するトルクが穿
刺具1およびシリンジ十分に伝わり、確実に穿刺具1を
シリンジから外すことができる。After puncturing, the protector 3 is moved to the second position, and the needle body 2 is fixed in the protector 3. Thereafter, the puncture device 1 is removed from the syringe with the needle body 2 covered with the protector 3. At this time, the protector 3 is grasped and removed while twisting at least one of the puncture device 1 and the syringe. As shown in FIGS. 4 and 5, the protrusion 31 of the protector 3 is locked by the rib 23 of the hub 22, and Is restricted, the torque generated by twisting is sufficiently transmitted to the puncture device 1 and the syringe, and the puncture device 1 can be reliably removed from the syringe.
【0022】[0022]
【発明の効果】本発明により、針体に向けて回動させて
針体を覆うプロテクタをハブに設けた比較的構造が簡単
で確実に針先を覆うことができるプロテクタ付き穿刺具
において、使用時の操作性の向上を維持しつつ、使用後
にプロテクタで針体を覆った状態でシリンジなどの医療
器具から容易に取り外すことができる穿刺具を提供する
ことができる。According to the present invention, there is provided a puncture device with a protector which has a relatively simple structure in which a protector for covering the needle body is provided on the hub by rotating the needle toward the needle body and which can cover the needle tip reliably. It is possible to provide a puncture device that can be easily removed from a medical device such as a syringe while the needle body is covered with a protector after use, while maintaining improved operability at the time.
【図1】本発明に係る穿刺具の使用形態を示す斜視図で
ある。FIG. 1 is a perspective view showing a use form of a puncture device according to the present invention.
【図2】本発明に係る穿刺具の使用形態を示す斜視図で
ある。FIG. 2 is a perspective view showing a use form of the puncture device according to the present invention.
【図3】図2に示す状態のプロテクタ3部分の断面図で
ある。FIG. 3 is a sectional view of the protector 3 in the state shown in FIG. 2;
【図4】本発明に係る穿刺具の使用形態を示す断面図で
ある。FIG. 4 is a sectional view showing a use form of the puncture device according to the present invention.
【図5】本発明に係る穿刺具の使用形態を示す断面図で
ある。FIG. 5 is a sectional view showing a use form of the puncture device according to the present invention.
1 穿刺具 2 針体 21 針先 22 ハブ 23 リブ 24 刃面 3 プロテクタ 31 突起部 32 スリット 33 ロック部 4 カラー 5 回動軸部 DESCRIPTION OF SYMBOLS 1 Puncture tool 2 Needle 21 Needle tip 22 Hub 23 Rib 24 Blade surface 3 Protector 31 Projection part 32 Slit 33 Lock part 4 Collar 5 Rotation shaft part
Claims (4)
とも針先を覆う第二の位置との間を回動可能に、前記ハ
ブに設けられたプロテクタとを有する穿刺具であって、 前記プロテクタが前記第二の位置にある時、前記プロテ
クタの前記針体に対する軸回転を規制する回転防止手段
を有することを特徴とする穿刺具。1. A needle body having a sharp needle tip, a hub provided at a base end of the needle body, a first position separated from the needle body, and a first cover covering at least the needle tip of the needle body. A puncture device having a protector provided on the hub so as to be rotatable between two positions, wherein when the protector is at the second position, the protector rotates axially with respect to the needle body. A puncture device comprising a rotation preventing means for regulating.
時は前記針体に対して軸回転が可能であり、前記第二の
位置にある時は前記回転防止手段により軸回転が規制さ
れるものであることを特徴とする請求項1に記載の穿刺
具。2. When the protector is at the first position, the protector is rotatable with respect to the needle body. When at the second position, the protector restricts the shaft rotation. The puncture device according to claim 1, wherein the puncture device is a puncture device.
前記ハブに嵌め込むことにより、前記プロテクタが前記
ハブに設けられていることを特徴とする請求項1乃至2
に記載の穿刺具。3. The hub is provided with the protector by fitting a collar connected to a base end of the protector into the hub.
The puncture device according to 1.
端および前記ハブの少なくとも一方に設けられた凹凸部
から構成されることを特徴とする請求項1乃至3に記載
の穿刺具。4. The puncture device according to claim 1, wherein said rotation preventing means comprises an uneven portion provided on at least one of a base end of said protector and said hub.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000301574A JP2002102344A (en) | 2000-10-02 | 2000-10-02 | Puncture tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000301574A JP2002102344A (en) | 2000-10-02 | 2000-10-02 | Puncture tool |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002102344A true JP2002102344A (en) | 2002-04-09 |
Family
ID=18783092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000301574A Pending JP2002102344A (en) | 2000-10-02 | 2000-10-02 | Puncture tool |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002102344A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6719737B2 (en) | 2002-05-13 | 2004-04-13 | Terumo Medical Corporation | Safety needle assembly |
US7648480B2 (en) | 2005-03-31 | 2010-01-19 | Terumo Medical Corporation | Safety needle assembly |
CN104399157A (en) * | 2014-10-14 | 2015-03-11 | 汪贤宗 | General safety protective jacket |
CN108112236A (en) * | 2015-06-08 | 2018-06-01 | 贝克顿迪金森法国公司 | For preventing the safety device of the needle stick injury of the pin of medical treatment device and medical treatment device |
US10617830B2 (en) | 2015-03-19 | 2020-04-14 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
US10639430B2 (en) | 2010-11-22 | 2020-05-05 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
-
2000
- 2000-10-02 JP JP2000301574A patent/JP2002102344A/en active Pending
Cited By (9)
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US6719737B2 (en) | 2002-05-13 | 2004-04-13 | Terumo Medical Corporation | Safety needle assembly |
US7648480B2 (en) | 2005-03-31 | 2010-01-19 | Terumo Medical Corporation | Safety needle assembly |
US7967794B2 (en) | 2005-03-31 | 2011-06-28 | Terumo Medical Corporation | Safety needle assembly |
US10639430B2 (en) | 2010-11-22 | 2020-05-05 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
CN104399157A (en) * | 2014-10-14 | 2015-03-11 | 汪贤宗 | General safety protective jacket |
US10617830B2 (en) | 2015-03-19 | 2020-04-14 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
EP3270990B1 (en) * | 2015-03-19 | 2021-12-01 | B. Braun Melsungen AG | Hinged shield assemblies and related methods |
CN108112236A (en) * | 2015-06-08 | 2018-06-01 | 贝克顿迪金森法国公司 | For preventing the safety device of the needle stick injury of the pin of medical treatment device and medical treatment device |
CN108112236B (en) * | 2015-06-08 | 2020-11-13 | 贝克顿迪金森法国公司 | Safety device for preventing needle stick injuries of a needle of a medical device and medical device |
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