JP4326539B2 - Blood sampling puncture device - Google Patents
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- JP4326539B2 JP4326539B2 JP2006091480A JP2006091480A JP4326539B2 JP 4326539 B2 JP4326539 B2 JP 4326539B2 JP 2006091480 A JP2006091480 A JP 2006091480A JP 2006091480 A JP2006091480 A JP 2006091480A JP 4326539 B2 JP4326539 B2 JP 4326539B2
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本発明は、微量の血液を採取する採血用穿刺器具に関し、特に外筒の外周壁に形成される係止穴により係止片で係止される採血用穿刺器具に関するものである。 The present invention relates to a blood collection puncture device for collecting a small amount of blood, and more particularly to a blood collection puncture device that is locked by a locking piece by a locking hole formed in an outer peripheral wall of an outer cylinder.
従来の技術では、血糖値の測定などを行う場合、指先や耳たぶなどに穿刺して微量の血液を採取する必要があった。又、採血時の痛みと恐怖感を軽減すべく、図７に示すような、駆動具（５０）の押圧部材（５１）で駆動され、採血針（３０）を備えた採血用穿刺器具のが用いられてきた。又、図８に示すように、従来の採血用穿刺器具は、
細長い円筒状の外筒（６０）と、採血針（３０）が貫装される針ホルダ（７０）と、保護部（４０）とを備え、
前記外筒（６０）は、その後端と前端に夫々後端開口（６１）と前端開口（６３）が形成されると共に、該後端の内周壁に環状の凸部（６１１）が設けられ、一方、該前端の周壁に斜面（６２）が形成され、
前記針ホルダ（７０）は、外筒（６０）の内部に設置され、該針ホルダ（７０）の後端に前記外筒（６０）の凸部（６１１）に拘持される受け部（７２）が設けられると共に、前端に穴部（７１）が形成され、側面に前記斜面（６２）に掛合する弾性片（７４）が設けられ、
前記採血針（３０）の先端に形成される穿刺部（３１）は、針ホルダ（７０）の穴部（７１）から露出し、該針ホルダ（７０）の穴部（７１）から延出する採血針（３０）の穿刺部（３１）部分に、該外筒（６０）の前端開口（６３）を貫通する保護部（４０）が被嵌される。
In the conventional technique, when measuring a blood sugar level or the like, it is necessary to puncture a fingertip or an earlobe to collect a small amount of blood. Further, in order to reduce pain and fear during blood collection, a blood collection puncture device having a blood collection needle (30) driven by a pressing member (51) of a drive tool (50) as shown in FIG. Has been used. Also, as shown in FIG. 8, the conventional blood sampling puncture device is
An elongated cylindrical outer tube (60), a needle holder (70) through which a blood collection needle (30) is inserted, and a protective part (40),
The outer cylinder (60) has a rear end opening (61) and a front end opening (63) formed at the rear end and the front end, respectively, and an annular protrusion (611) is provided on the inner peripheral wall of the rear end, On the other hand, a slope (62) is formed on the peripheral wall of the front end,
The needle holder (70) is installed inside the outer cylinder (60), and a receiving part (72) held by the convex part (611) of the outer cylinder (60) at the rear end of the needle holder (70). ), A hole (71) is formed at the front end, and an elastic piece (74) that engages with the slope (62) is provided on the side surface.
The puncture part (31) formed at the tip of the blood collection needle (30) is exposed from the hole (71) of the needle holder (70) and extends from the hole (71) of the needle holder (70). The protective part (40) penetrating the front end opening (63) of the outer cylinder (60) is fitted to the puncture part (31) of the blood collection needle (30).
前記採血用穿刺器具を使用する時は、駆動具（５０）の先端に取り付かれ、前記保護部（４０）を取り外し、採血針（３０）の穿刺部（３１）を露出させ、そして該採血用穿刺器具を採血する位置に合わせてから駆動具（５０）を起動させ、押圧部材（５１）を受け部（７２）側に押し込んで、針ホルダ（７０）を駆動させ、採血針（３０）の穿刺部（３１）を外筒（６０）の前端開口（６３）から突出させることにより、体内に穿刺部（３１）を進入させて採血を行う。この時、針ホルダ（７０）の弾性片（７４）が共に駆動され、外筒（６０）の斜面（６２）を変形しながら滑動し、針ホルダ（７０）を駆動する力が尽きると、変形した弾性片（７４）がその付勢力により反発を発生し、針ホルダ（７０）を反対方向へ駆動することにより、採血針（３０）の穿刺部（３１）を外筒（６０）の内部に復位させて収納する。
しかしながら、上記従来の採血用穿刺器具には、以下のような問題があった。 However, the conventional blood sampling puncture device has the following problems.
外筒（６０）の凸部（６１１）は針ホルダ（７０）の受け部（７２）を拘持し、採血針（３０）の穿刺部（３１）を外筒（６０）の内部に制限するために形成されるものであるが、駆動具（５０）の押圧部材（５１）が受け部（７２）を押圧する時は凸部（６１１）に衝突することから、確実に針ホルダ（７０）を駆動させない恐れがある。その場合、採血針（３０）における穿刺部（３１）の穿刺効果が不十分となり、再度作業を行わなくてはならない場合が出てくるだけでなく、感染防止のために、新しい採血用穿刺器具を使用する必要がある。故に、器材の浪費だけでなく、再び採血をしなくてはならなくなるので、被採血者に不必要な痛みを与えることになる。 The convex part (611) of the outer cylinder (60) holds the receiving part (72) of the needle holder (70) and restricts the puncture part (31) of the blood collection needle (30) to the inside of the outer cylinder (60). However, when the pressing member (51) of the driving tool (50) presses the receiving portion (72), it collides with the convex portion (611), so that the needle holder (70) is surely formed. May not be driven. In that case, the puncture effect of the puncture part (31) in the blood collection needle (30) becomes insufficient, and there are cases where the work must be performed again, and a new blood collection puncture device is used to prevent infection. Need to use. Therefore, not only is the equipment wasted, but blood must be collected again, causing unnecessary pain to the blood sample.
又、従来の採血用穿刺器具は、該針ホルダ（７０）を該外筒（６０）に組み立てるために、針ホルダ（７０）の受け部（７２）を強圧し、一時変形させることにより、針ホルダ（７０）を外筒（６０）の凸部（６１１）を通過し、外筒（６０）へ圧入することができる。しかし、該圧入過程中、該針ホルダ（７０）の受け部（７２）は、前記変形により、あらゆる破壊を起こすかねないため、生産の歩留まりを低下させる原因となってしまう。 In addition, the conventional blood sampling puncture device strongly presses the receiving portion (72) of the needle holder (70) and temporarily deforms it in order to assemble the needle holder (70) into the outer cylinder (60). The holder (70) can pass through the convex portion (611) of the outer cylinder (60) and can be press-fitted into the outer cylinder (60). However, during the press-fitting process, the receiving portion (72) of the needle holder (70) may cause any destruction due to the deformation, which causes a reduction in production yield.
そこで、出願されたのが本発明であって、採血に好適な穿刺効果を有する、組み立てが容易な採血用穿刺器具を提供することを目的としている。 Therefore, the present invention has been filed and an object of the present invention is to provide a blood collection puncture device that has a puncture effect suitable for blood collection and is easy to assemble.
本願の請求項１の発明は、外筒と針ホルダと採血針を備え、
該外筒は細長い円筒状を呈し、該外筒の後端と前端に夫々後端開口と穴部が形成されると共に、前側壁面に斜面を有し、その外周壁に少なくとも一つの係止穴が形成され、
該針ホルダは外筒の内部に設置され、その後端に前記外筒の後端開口を封止する受け部が設けられ、その前端に穴部が形成されると共に、該針ホルダの側面には、片端が外筒の内径方向に撓む、前記外筒の前端開口側に傾斜したアーム状のものであって、前記係止穴に係止する少なくとも一つの係止片と、前記斜面に掛合する少なくとも一つの弾性片が設けられ、
該採血針は針ホルダに貫装され、その先端に針ホルダの穴部から露出する穿刺部が設けられることを特徴とする採血用穿刺器具、を提供する。
The invention of
The outer cylinder has an elongated cylindrical shape, and a rear end opening and a hole are formed at the rear end and the front end of the outer cylinder, respectively, and the front wall surface has a slope, and at least one locking hole is formed on the outer peripheral wall. Formed,
Needle holder is installed inside the outer tube, the receiving portion is provided for sealing the rear end opening of the outer cylinder at its rear end, the hole is formed at its front end, the side surface of the needle holder An arm having one end bent in the inner diameter direction of the outer cylinder and inclined toward the opening of the front end of the outer cylinder, and is engaged with the inclined surface and at least one locking piece to be locked in the locking hole. At least one elastic piece is provided,
A blood collection puncture device is provided, wherein the blood collection needle is inserted into a needle holder, and a puncture portion exposed from a hole portion of the needle holder is provided at a tip of the blood collection needle.
本願の請求項２の発明は、前記外筒の後端内周壁に長手方向に伸びる少なくとも一つのガイド溝が形成され、前記針ホルダの側面に該ガイド溝に係合する少なくとも一つのガイドブロックが形成されることを特徴とする請求項１に記載の採血用穿刺器具、を提供する。
In the invention of claim 2 of the present application, at least one guide groove extending in the longitudinal direction is formed on the inner peripheral wall of the rear end of the outer cylinder, and at least one guide block engaged with the guide groove is formed on a side surface of the needle holder. The puncture device for blood collection according to
本願の請求項３の発明は、前記穿刺部に保護部が被嵌され、該保護部は針ホルダの穴部から外筒における前端開口の外側まで延出することを特徴とする請求項１又は２に記載の採血用穿刺器具、を提供する。 The invention of claim 3 of the present application is characterized in that a protection part is fitted on the puncture part, and the protection part extends from the hole of the needle holder to the outside of the front end opening of the outer cylinder. A blood sampling puncture device according to 2, wherein:
本発明の採血用穿刺器具は、外筒の外周壁に形成される係止穴と針ホルダの側面に設けられる係止片により、針ホルダと採血針の穿刺部とを外筒の内部において係止状態とし、駆動具の押圧部材により確実に針ホルダが突出して優れた穿刺効果を達成できる。故に、器材の浪費が低減され、採血作業もスムーズに行うことができる。 The blood sampling puncture device according to the present invention engages the needle holder and the puncture portion of the blood sampling needle inside the outer cylinder by an engagement hole formed on the outer peripheral wall of the outer cylinder and an engagement piece provided on the side surface of the needle holder. The needle holder is reliably projected by the pressing member of the driving tool, and an excellent puncture effect can be achieved. Therefore, waste of equipment is reduced, and blood collection can be performed smoothly.
以下、添付図面を参照して本発明の好適な実施の形態を詳細に説明する。 Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
図１は本発明に係る採血用穿刺器具を示す斜視図であり、図２は本発明に係る採血用穿刺器具を示す分解斜視図であり、図３は本発明に係る採血用穿刺器具の横断面図であり、図４は本発明に係る採血用穿刺器具の縦断面図であり、図５は本発明に係る採血用穿刺器具の使用状態を示す縦断面図であり、図６は本発明に係る採血用穿刺器具を駆動具に設置する状態を示す縦断面図であり、図７は従来の採血用穿刺器具を駆動具に設置する状態を示す縦断面図であり、図８は従来の採血用穿刺器具を示す斜視図である。 1 is a perspective view showing a blood collection puncture device according to the present invention, FIG. 2 is an exploded perspective view showing a blood collection puncture device according to the present invention, and FIG. 3 is a cross-sectional view of the blood collection puncture device according to the present invention. FIG. 4 is a longitudinal sectional view of a blood sampling puncture device according to the present invention, FIG. 5 is a longitudinal sectional view showing a usage state of the blood sampling puncture device according to the present invention, and FIG. FIG. 7 is a longitudinal sectional view showing a state in which the blood sampling puncture device according to the present invention is installed in the driving tool, FIG. 7 is a longitudinal sectional view showing a state in which the conventional blood sampling puncture device is installed in the driving tool, and FIG. It is a perspective view which shows the puncture device for blood collection.
図１及び図２に示すように、本発明に係る採血用穿刺器具は、外筒（１０）、針ホルダ（２０）、採血針（３０）及び保護部（４０）を備え、
該外筒（１０）は細長い円筒状を呈し、該外筒の後端と前端に夫々後端開口（１１）と前端開口（１３）が形成されると共に、前側壁面に斜面（１２）を有し、その外周壁に二つの係止穴（１５）が形成され、
該針ホルダ（２０）は外筒（１０）の内部に設置され、その後端に前記外筒（１０）の後端開口（１１）を封止する受け部（２２）が設けられ、その前端に穴部（２１）が形成されると共に、該針ホルダ（２０）の側面に前記係止穴（１５）に係止する二つの係止片（２３）と、前記斜面（１２）に掛合する二つの弾性片（２４）が設けられ、
該採血針（３０）は針ホルダ（２０）に貫装され、その先端に針ホルダ（２０）の穴部（２１）から露出する穿刺部（３１）が設けられ、
該保護部（４０）は針ホルダ（２０）の穴部（２１）から外筒（１０）における前端開口（１３）の外側まで延出し、前記穿刺部（３１）に被嵌される。
さらに図４及び図５に示すように、前記係止片（２３）は、片端が外筒（１０）の内径方向に撓む、前記外筒（１０）の前端開口（１３）側に傾斜したアーム状のものであって、前記外筒（１０）の係止穴（１５）に係止するものである。
As shown in FIGS. 1 and 2, the blood collection puncture device according to the present invention includes an outer tube (10), a needle holder (20), a blood collection needle (30), and a protection part (40).
The outer cylinder (10) has an elongated cylindrical shape. A rear end opening (11) and a front end opening (13) are formed at a rear end and a front end of the outer cylinder, respectively, and a slope (12) is provided on a front side wall surface. And two locking holes (15) are formed in the outer peripheral wall,
The needle holder (20) is installed inside the outer cylinder (10), and a receiving portion (22) for sealing the rear end opening (11) of the outer cylinder (10) is provided at the rear end thereof. A hole (21) is formed, two locking pieces (23) locked to the locking hole (15) on the side surface of the needle holder (20), and two hooks engaged with the inclined surface (12). Two elastic pieces (24) are provided,
The blood collection needle (30) is inserted into the needle holder (20), and a puncture portion (31) exposed from the hole (21) of the needle holder (20) is provided at the tip thereof.
The protective part (40) extends from the hole (21) of the needle holder (20) to the outside of the front end opening (13) in the outer cylinder (10) and is fitted on the puncture part (31).
Further, as shown in FIGS. 4 and 5, the locking piece (23) is inclined toward the front end opening (13) side of the outer cylinder (10), one end of which is bent in the inner diameter direction of the outer cylinder (10). It is arm-shaped and is locked in the locking hole (15) of the outer cylinder (10).
図３と図４に示すように、前記外筒（１０）の内周壁に長手方向に伸びる二つのガイド溝（１４）が形成され、前記針ホルダ（２０）の側面に該ガイド溝（１４）に係合する二つのガイドブロック（２５）が形成される。 As shown in FIGS. 3 and 4, two guide grooves (14) extending in the longitudinal direction are formed in the inner peripheral wall of the outer cylinder (10), and the guide grooves (14) are formed on the side surface of the needle holder (20). Two guide blocks (25) are formed which engage with.
図５と図６に示すように、前記採血用穿刺器具を使用する時は、駆動具（５０）の先端に取り付かれ、前記保護部（４０）を取り外し、採血針（３０）の穿刺部（３１）を露出させ、そして該採血用穿刺器具を採血する位置に合わせてから駆動具（５０）を起動させ、押圧部材（５１）を受け部（２２）側に押し込んで、針ホルダ（２０）を駆動させ、採血針（３０）の穿刺部（３１）を外筒（１０）の前端開口（１３）から突出することにより、体内に穿刺部（３１）を進入させて採血を行う。この時、針ホルダ（２０）の弾性片（２４）が共に駆動し、外筒（１０）の斜面（１２）を変形しながら滑動し、針ホルダ（２０）を駆動する力が尽きると、変形した弾性片（２４）がその付勢力により反発を発生し、針ホルダ（２０）を反対方向へ駆動することにより、採血針（３０）の穿刺部（３１）を外筒（１０）の内部に復位させて収納する。 As shown in FIG. 5 and FIG. 6, when using the blood sampling puncture device, it is attached to the tip of the drive tool (50), the protective part (40) is removed, and the blood puncture part (30) 31) is exposed, and the driving tool (50) is activated after the blood collection puncture device is aligned with the position to collect blood, and the pressing member (51) is pushed into the receiving portion (22) side, thereby the needle holder (20). , And the puncture portion (31) of the blood collection needle (30) protrudes from the front end opening (13) of the outer cylinder (10), whereby the puncture portion (31) enters the body and blood is collected. At this time, the elastic pieces (24) of the needle holder (20) are driven together, slide while deforming the inclined surface (12) of the outer cylinder (10), and the force for driving the needle holder (20) is exhausted. The elastic piece (24) is repelled by its urging force, and the needle holder (20) is driven in the opposite direction, whereby the puncture portion (31) of the blood collection needle (30) is placed inside the outer cylinder (10). Retract and store.
本発明に係る採血用穿刺器具においては、針ホルダ（２０）を外筒（１０）に設置する時、即ち、外筒（１０）の後端開口（１１）から針ホルダ（２０）を挿入する時、係止片（２３）が外筒（１０）の内径方向に撓み、スムーズに外筒（１０）の後端開口（１１）を通り、外筒（１０）の係止穴（１５）に係止されることから、強い力で押し込む必要はないので、不良品が減少し、歩留まりを向上させることができる。 In blood collecting puncture device according to the present invention, when installing a needle holder (20) to the outer cylinder (10), i.e., inserting a needle holder (20) from the rear end opening (11) of the outer cylinder (10) The locking piece (23) bends in the inner diameter direction of the outer cylinder (10) , passes smoothly through the rear end opening (11) of the outer cylinder (10) , and enters the locking hole (15) of the outer cylinder (10). Since it is locked, it is not necessary to push in with a strong force, so that the number of defective products is reduced and the yield can be improved.
１０ 外筒
１１ 後端開口
１２ 斜面
１３ 前端開口
１４ ガイド溝
１５ 係止孔
２０ 針ホルダ
２１ 穴部
２２ 受け部
２３ 係止片
２４ 弾性片
２５ ガイドブロック
３０ 採血針
３１ 穿刺部
４０ 保護部
５０ 駆動具
５１ 押圧部材
６０ 外筒
６１ 後端開口
６１１ 凸部
６２ 斜面
６３ 前端開口
７０ 針ホルダ
７１ 穴部
７２ 受け部
７４ 弾性片
10 outer tube 11 the rear end opening 12
Claims (3)
該外筒は細長い円筒状を呈し、該外筒の後端と前端に夫々後端開口と前端開口が形成されると共に、前側壁面に斜面を有し、その外周壁に少なくとも一つの係止穴が形成され、
該針ホルダは外筒の内部に設置され、その後端に前記外筒の後端開口を封止する受け部が設けられ、その前端に穴部が形成されると共に、該針ホルダの側面には、片端が外筒の内径方向に撓む、前記外筒の前端開口側に傾斜したアーム状のものであって、前記係止穴に係止する少なくとも一つの係止片と、前記斜面に掛合する少なくとも一つの弾性片が設けられ、
該採血針は針ホルダに貫装され、その先端に針ホルダの穴部から露出する穿刺部が設けられることを特徴とする採血用穿刺器具。 An outer cylinder, a needle holder and a blood collection needle,
The outer cylinder has an elongated cylindrical shape, a rear end opening and a front end opening are formed at a rear end and a front end of the outer cylinder, respectively, and a front side wall surface has a slope, and at least one locking hole is formed on an outer peripheral wall thereof. Formed,
Needle holder is installed inside the outer tube, the receiving portion is provided for sealing the rear end opening of the outer cylinder at its rear end, the hole is formed at its front end, the side surface of the needle holder An arm having one end bent in the inner diameter direction of the outer cylinder and inclined toward the opening of the front end of the outer cylinder, and is engaged with the inclined surface and at least one locking piece to be locked in the locking hole. At least one elastic piece is provided,
A blood sampling puncture device, wherein the blood collection needle is inserted into a needle holder, and a puncture portion exposed from a hole portion of the needle holder is provided at a tip of the blood collection needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006091480A JP4326539B2 (en) | 2006-03-29 | 2006-03-29 | Blood sampling puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006091480A JP4326539B2 (en) | 2006-03-29 | 2006-03-29 | Blood sampling puncture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007260243A JP2007260243A (en) | 2007-10-11 |
| JP4326539B2 true JP4326539B2 (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006091480A Expired - Fee Related JP4326539B2 (en) | 2006-03-29 | 2006-03-29 | Blood sampling puncture device |
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| Country | Link |
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| JP (1) | JP4326539B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4824709B2 (en) * | 2008-02-01 | 2011-11-30 | ▲恵▼碁生物科技股▲分▼有限公司 | Safety blood collection device |
| KR101589059B1 (en) * | 2014-04-30 | 2016-01-27 | 김용필 | Blood Lancet Device |
| KR101781309B1 (en) | 2016-12-06 | 2017-09-25 | 주식회사 제이투 | Needle module for tatoo |
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2006
- 2006-03-29 JP JP2006091480A patent/JP4326539B2/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2007260243A (en) | 2007-10-11 |
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