TWM494592U - Lancing device having triggering mechanism aligned with the shell of the lancing device - Google Patents

Lancing device having triggering mechanism aligned with the shell of the lancing device Download PDF

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Publication number
TWM494592U
TWM494592U TW103217305U TW103217305U TWM494592U TW M494592 U TWM494592 U TW M494592U TW 103217305 U TW103217305 U TW 103217305U TW 103217305 U TW103217305 U TW 103217305U TW M494592 U TWM494592 U TW M494592U
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Taiwan
Prior art keywords
housing
needle
disposed
limiting unit
wall surface
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TW103217305U
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Chinese (zh)
Inventor
Qi-Ming Yang
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Hmd Biomedical Inc
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Priority to TW103217305U priority Critical patent/TWM494592U/en
Publication of TWM494592U publication Critical patent/TWM494592U/en

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Abstract

The present utility model discloses a lancing device having a shell, a lancet holder, a triggering mechanism and a triggering force providing unit. The shell has a through hole formed through the sidewall thereof. The lancet holder is mounted in the shell to receive a lancet. The triggering mechanism is mounted in the through hole of the shell to actuate the lancet to be triggered or not. The triggering force providing unit pushes the lancet holder to provide longitudinal force for the movement of the lancet holder. Since the triggering mechanism is mounted in the through hole of the shell, the triggering mechanism is kept from protruding out of the shell so that is not triggered accidentally and does not influence the appearance. Further, it can also keep the dust and water drop from falling into the shell.

Description

具有齊平採血筆殼體之擊發機構的採血筆Blood collection pen with firing mechanism of flush blood collection pen housing

本新型關於一種採血筆,係指一種用於採集血液之工具,尤其關於一種具有齊平採血筆殼體之擊發機構的採血筆。The invention relates to a blood collection pen, which relates to a tool for collecting blood, in particular to a blood collection pen with a firing mechanism of a flush blood collection pen housing.

在醫療體系中,時常需要採集血液以檢測人體生理狀態,除了傳統利用針筒配合針頭的採集方式以外,亦可利用採血筆配合採血針來採集血液。採血筆配合採血針使用的技術之一示例如美國公開第2007/0161960號專利案所示,採血筆之殼體內設有一推動片體,殼體壁面穿設有一按鈕,按鈕位置與推動片體之彈片位置相對應;而採血針針座內設有針體,針座內壁設有兩組阻擋栓,針體與一可折斷的針尖套連成一體,針尖套上設有安全栓,針體與針套之間卡設有一彈片組。使用時將該採血針***採血筆針座,使得採血筆處於待使用狀態,按壓採血筆上的按鈕後,推動片體就會向前推出,直接推動採血針,達到穿刺採血的作用,當針體向前運動時,彈片組所產生的彈力會使針尖退回到針套內,由於阻擋栓的作用,使針體無法退回到有效的撞擊位置。In the medical system, it is often necessary to collect blood to detect the physiological state of the human body. In addition to the traditional method of using a syringe to match the needle, a blood collection pen can be used together with a blood collection needle to collect blood. An example of a technique for using a blood collection pen in conjunction with a blood collection needle is shown in US Patent Publication No. 2007/0161960. The housing of the blood collection pen is provided with a pusher body, and a button is placed on the wall surface of the housing, and the button position and the pusher body are The position of the shrapnel is corresponding; the needle of the blood collecting needle is provided with a needle body, and the inner wall of the needle seat is provided with two sets of blocking bolts, and the needle body is integrally connected with a breakable needle tip sleeve, and the needle tip sleeve is provided with a safety bolt and a needle body. A shrapnel group is disposed between the needle sleeve and the needle sleeve. When using, the blood collection needle is inserted into the blood collection pen needle seat, so that the blood collection pen is in a state to be used, and after pressing the button on the blood collection pen, the push piece body is pushed forward, directly pushing the blood collection needle to achieve the function of puncture blood collection, when the needle When the body moves forward, the elastic force generated by the shrapnel group will cause the needle tip to retreat into the needle sleeve. Due to the action of the blocking bolt, the needle body cannot be returned to the effective impact position.

然而,由於現有技術之按鈕係突出於殼體外,故使用者握持時感到不適,且容易因誤觸而被下壓擊發,突出的按鈕亦影響整體的美觀性。再者,由外部卡扣而組裝的按鈕與殼體之壁面間具有間隙,則外界的灰塵及潑濺的水滴容易透過該間隙落入殼體中而污染殼體內部。However, since the button of the prior art protrudes outside the casing, the user feels uncomfortable when holding the hand, and is easily crushed by the false touch, and the protruding button also affects the overall aesthetics. Further, when there is a gap between the button assembled by the external snap and the wall surface of the casing, external dust and splashed water droplets easily fall into the casing through the gap to contaminate the inside of the casing.

有鑑於此,本新型係將現有技術加以改良,以期滿足上述需求。In view of this, the present invention improves the prior art to meet the above needs.

為達到上述之新型目的,本新型揭露一種採血筆,其中包括: 一殼體,其內部中空且兩端具有開口,該殼體之側壁設有一穿孔,該穿孔中設有一第一限位單元; 一針座,其可移動地設於該殼體中,該針座之外壁面設有一第二限位單元,該第二限位單元與該第一限位單元相對應,以限制該針座在未擊發狀態下無法朝第一方向移動; 一擊發機構,其設於該殼體之穿孔中,該擊發機構對應該第一限位單元,且在未擊發狀態下該擊發機構與該第二限位單元相抵靠,在擊發狀態下,該擊發機構推頂該第二限位單元,使該第二限位單元脫離該第一限位單元,而該針座在擊發狀態下可朝第一方向移動; 一擊發力提供單元,其設於該殼體中,並提供該針座在擊發狀態下朝第一方向移動之力。In order to achieve the above-mentioned new object, the present invention discloses a blood collection pen, which comprises: a housing having a hollow interior and an opening at both ends, a sidewall of the housing is provided with a through hole, and a first limiting unit is disposed in the through hole; a needle holder movably disposed in the housing, wherein the outer wall surface of the needle holder is provided with a second limiting unit, and the second limiting unit corresponds to the first limiting unit to limit the needle seat In the unfired state, it is unable to move in the first direction; a firing mechanism is disposed in the through hole of the casing, the firing mechanism corresponds to the first limiting unit, and the firing mechanism and the second in the unfired state The limiting unit abuts, in the firing state, the firing mechanism pushes the second limiting unit to disengage the second limiting unit from the first limiting unit, and the needle seat can be first in the fired state The direction shifting; a striking force providing unit disposed in the housing and providing a force for the needle holder to move in the first direction in the fired state.

本新型之一或更多實施例的優點在於,利用設置於該殼體之穿孔中的擊發機構,來使得擊發機構隱藏於該殼體之側壁面中,而避免誤觸並增加美觀性,同時覆蓋穿孔的擊發機構亦可防止灰塵及水滴落入殼體中,以維持殼體內部的清潔。An advantage of one or more embodiments of the present invention is that the firing mechanism disposed in the perforations of the housing is used to hide the firing mechanism in the side wall surface of the housing to avoid false touches and increase aesthetics, while The firing mechanism covering the perforations also prevents dust and water from falling into the housing to maintain the interior of the housing.

以下配合圖式及本新型之較佳實施例,進一步闡述本新型為達成預定新型目的所採取的技術手段。The technical means adopted by the present invention for achieving a predetermined new purpose are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

請參閱圖1A、圖1B、圖1C及圖2所示,本新型之一實施例可包含有一殼體10、一針座20、一擊發機構30、一擊發力提供單元40、一退針機構50及一距離調整機構60。以下定義遠離於距離調整機構60之端為第一端、接近於距離調整機構60之端為第二端,朝向第一端移動之方向為第一方向。1A, FIG. 1B, FIG. 1C and FIG. 2, an embodiment of the present invention may include a housing 10, a needle holder 20, a firing mechanism 30, a firing force providing unit 40, and a needle withdrawal mechanism. 50 and a distance adjustment mechanism 60. The following definition is away from the end of the distance adjusting mechanism 60 as the first end, the end close to the distance adjusting mechanism 60 is the second end, and the direction of moving toward the first end is the first direction.

請參閱圖1B、圖2至圖4所示,前述之殼體10中空而內部形成有一容置空間,且該殼體10具有一第一端開口101及一第二端開口102,該殼體10之第一端開口101中可設有一筆頭套筒11。該殼體10之側壁貫穿成形一穿孔12,該殼體10具有一第一限位單元13,該第一限位單元13設於該穿孔12中,在較佳實施例中,該第一限位單元13設於該穿孔12之第一端。該殼體10之側壁另貫穿成形有一通孔14,該殼體10之容置空間中設有至少一導軌15,該殼體10之容置空間中接近第二端開口102處成形有兩相對的斜板16,所述斜板16呈傾斜狀而使兩斜板16之間距由第二端至第一端漸窄,該殼體10之內壁面上成形有至少一斜槽17。在較佳實施例中,該殼體10由一上殼體103及一下殼體104對接組成,該穿孔12及該第一限位單元13設於該上殼體103,該通孔14設於該上殼體103與該下殼體104之間,兩導軌15分別成形於該上殼體103及該下殼體104之內壁面且接近於該殼體10之第一端開口101,所述斜板16分別成形於該上殼體103及該下殼體104之內壁面,所述斜槽17分別成形於該上殼體103及該下殼體104之內壁面。Referring to FIG. 1B and FIG. 2 to FIG. 4 , the housing 10 is hollow and has an accommodating space therein, and the housing 10 has a first end opening 101 and a second end opening 102 . A head sleeve 11 may be provided in the first end opening 101 of 10. A first limiting unit 13 is disposed on the side wall of the housing 10. The first limiting unit 13 is disposed in the through hole 12. In a preferred embodiment, the first limit is The bit unit 13 is disposed at the first end of the through hole 12. A through hole 14 is formed in the side wall of the housing 10, and at least one guide rail 15 is disposed in the accommodating space of the housing 10, and two opposite sides are formed in the accommodating space of the housing 10 near the second end opening 102. The inclined plate 16 is inclined such that the distance between the two inclined plates 16 is gradually narrowed from the second end to the first end, and at least one chute 17 is formed on the inner wall surface of the casing 10. In the preferred embodiment, the housing 10 is formed by an upper housing 103 and a lower housing 104. The through hole 12 and the first limiting unit 13 are disposed on the upper housing 103. The through hole 14 is disposed in the upper housing 103. Between the upper casing 103 and the lower casing 104, two guide rails 15 are respectively formed on the inner wall surfaces of the upper casing 103 and the lower casing 104 and adjacent to the first end opening 101 of the casing 10, The slanting plates 16 are respectively formed on the inner wall surfaces of the upper casing 103 and the lower casing 104, and the inclined grooves 17 are formed on the inner wall surfaces of the upper casing 103 and the lower casing 104, respectively.

請參閱圖2及圖3所示,前述之針座20設於該殼體10之容置空間中,該針座20呈中空管狀而具有一內部空間。該針座20中接近第一端處成形有一擋壁21,該擋壁21貫穿成形有一貫孔211。該針座20之外壁面徑向突伸成形有一第二限位單元22,該第二限位單元22選擇性與該第一限位單元13相抵靠。該針座20之側壁貫穿成形有一長孔23,使該針座20之內部空間與該殼體10之容置空間相通,該長孔23之位置相對於該殼體10之通孔14的位置。該針座20之外壁面設有兩翼片24,兩翼片24呈傾斜設置,各翼片24之第二端與該針座20之外壁面連接,而各翼片24第一端為自由端且朝遠離針座20之外壁面的方向傾斜,各翼片24對應於該殼體10之其中一斜板16。該針座20之第二端設有一容槽25且第二端之端緣環繞成形有一環凸緣26,該容槽25之側設有兩相對的缺槽251。該針座20之第一端相鄰於擋壁21處設有一夾片27,該針座20延伸成形有至少一導柱28,所述導柱28穿設於該殼體10之相對應的導軌15中,以限制該針座20於該殼體10中的移動路徑。As shown in FIG. 2 and FIG. 3, the needle holder 20 is disposed in the accommodating space of the housing 10. The needle holder 20 has a hollow tubular shape and has an internal space. A retaining wall 21 is formed in the needle holder 20 near the first end, and the retaining wall 21 is formed with a constant hole 211. A second limiting unit 22 is formed on the outer wall surface of the needle holder 20, and the second limiting unit 22 selectively abuts the first limiting unit 13. The side wall of the needle holder 20 is formed with a long hole 23 so that the inner space of the needle holder 20 communicates with the accommodating space of the housing 10. The position of the long hole 23 relative to the through hole 14 of the housing 10 . The outer wall surface of the needle holder 20 is provided with two fins 24, and the two fins 24 are disposed obliquely. The second ends of the fins 24 are connected to the outer wall surface of the hub 20, and the first ends of the fins 24 are free ends. Tilting away from the outer wall surface of the hub 20, each flap 24 corresponds to one of the swash plates 16 of the housing 10. The second end of the needle holder 20 is provided with a receiving groove 25, and the end edge of the second end is formed with a ring flange 26. The side of the receiving groove 25 is provided with two opposite notches 251. The first end of the needle holder 20 is adjacent to the blocking wall 21, and a clip 27 is formed. The needle holder 20 is formed with at least one guiding post 28, and the guiding post 28 is disposed through the corresponding housing 10. The guide rail 15 is for restricting the movement path of the hub 20 in the housing 10.

請參閱圖2至圖4所示,前述之擊發機構30設於該殼體10之穿孔12中且對應於該第一限位單元13,該擊發機構30選擇性與該第二限位單元22相抵,該擊發機構30之外表面可與該殼體10之外壁面齊平。在較佳實施例中,該擊發機構30包含有一彈片31及一蓋板32,該彈片31設於該殼體10之穿孔12中且第一端311為自由端而與該第一限位單元13間形成一間隙,第二端312與該殼體10之側壁相連接,該蓋板32設於該殼體10之穿孔12中且覆蓋於該彈片31之外側面,該蓋板32之第二端亦可與該殼體10之側壁相連接,或該蓋板32可為單獨片體組裝於該穿孔12中,該蓋板32之外表面與該殼體10之外壁面齊平,且該蓋板32之外表面可設有一指示部321以對應該彈片31之第一端311的位置。在更佳實施例中,該蓋板32之外表面與該殼體10之外壁面之間的間隙極小,幾乎無法以肉眼或觸覺所感知。As shown in FIG. 2 to FIG. 4 , the firing mechanism 30 is disposed in the through hole 12 of the housing 10 and corresponds to the first limiting unit 13 . The firing mechanism 30 is selectively coupled to the second limiting unit 22 . In contrast, the outer surface of the firing mechanism 30 may be flush with the outer wall surface of the housing 10. In the preferred embodiment, the firing mechanism 30 includes a resilient piece 31 and a cover plate 32. The elastic piece 31 is disposed in the through hole 12 of the housing 10 and the first end 311 is a free end and the first limiting unit. 13 forms a gap, and the second end 312 is connected to the side wall of the housing 10. The cover 32 is disposed in the through hole 12 of the housing 10 and covers the outer side of the elastic piece 31. The two ends may also be connected to the side wall of the casing 10, or the cover plate 32 may be assembled into the perforation 12 as a separate piece, the outer surface of the cover plate 32 being flush with the outer wall surface of the casing 10, and An outer surface of the cover plate 32 may be provided with an indication portion 321 to correspond to the position of the first end 311 of the elastic piece 31. In a more preferred embodiment, the gap between the outer surface of the cover 32 and the outer wall of the housing 10 is extremely small and can hardly be perceived by the naked eye or the sense of touch.

請參閱圖2及圖3所示,前述之擊發力提供單元40設於該殼體10中,且該擊發力提供單元40之第一端設於該針座20之第二端。在較佳實施例中,該擊發力提供單元40為一彈簧並設於該針座20之容槽25中。As shown in FIG. 2 and FIG. 3 , the firing force providing unit 40 is disposed in the housing 10 , and the first end of the firing force providing unit 40 is disposed at the second end of the needle holder 20 . In a preferred embodiment, the firing force providing unit 40 is a spring and is disposed in the receptacle 25 of the hub 20 .

請參閱圖1至圖3所示,前述之退針機構50穿設於該殼體10且包含有一致動桿51、一推鈕52及一復位彈簧53,該致動桿51可移動地穿設於該針座20中且選擇性貫穿該擋壁21之貫孔211,該推鈕52徑向延伸成形於該致動桿51上且貫穿該針座20之長孔23及該殼體10之通孔14,該推鈕52之外表面具有一冠部521,該冠部521之寬度大於該通孔14之寬度,且該推鈕52之內側具有寬度大於通孔14之壓制條522,且連接冠部521及壓制條522之部分推鈕52的寬度小於通孔14之寬度,故使該致動桿51及該推鈕52不由徑向脫出該殼體10,該復位彈簧53套設於該致動桿51外且兩端分別頂抵於該致動桿51之第二端及該擋壁21。As shown in FIG. 1 to FIG. 3 , the above-mentioned retracting mechanism 50 is disposed in the housing 10 and includes an actuating lever 51 , a push button 52 and a return spring 53 . The actuating lever 51 is movably worn. The push button 52 is disposed in the needle holder 20 and extends through the through hole 211 of the retaining wall 21 . The push button 52 is radially formed on the actuating rod 51 and extends through the long hole 23 of the needle holder 20 and the housing 10 . The through hole 14 has a crown portion 521 on the outer surface of the push button 52. The width of the crown portion 521 is greater than the width of the through hole 14, and the inner side of the push button 52 has a pressed strip 522 having a width larger than the through hole 14. The width of the push button 52 connecting the crown portion 521 and the pressing strip 522 is smaller than the width of the through hole 14, so that the actuating lever 51 and the push button 52 are not radially disengaged from the housing 10, and the return spring 53 is sleeved. The second end of the actuating lever 51 and the retaining wall 21 are respectively disposed on the outer side of the actuating lever 51 and at both ends thereof.

請參閱圖1至圖3及圖5所示,前述之距離調整機構60設於該殼體10之第二端開口102,該距離調整機構60包含有一調整套筒61及一旋鈕62,該調整套筒61穿設於該殼體10之第二端開口102中且套設於該針座20之第二端,且該調整套筒61之內壁面成形有一環凸緣611,該調整套筒61之環凸緣611選擇性與該針座20之環凸緣26相抵靠,調整套筒61之外壁面突伸成形有至少一凸部612,該凸部612可移動地設於該殼體10之斜槽17中,該旋鈕62套設並固定於該調整套筒61之末端,且該旋鈕62突出於該殼體10之第二端開口102外,且該旋鈕62抵靠於該擊發力提供單元40之第二端。As shown in FIG. 1 to FIG. 3 and FIG. 5 , the distance adjusting mechanism 60 is disposed at the second end opening 102 of the housing 10 , and the distance adjusting mechanism 60 includes an adjusting sleeve 61 and a knob 62 . The sleeve 61 is disposed in the second end opening 102 of the housing 10 and sleeved on the second end of the needle holder 20, and the inner wall surface of the adjusting sleeve 61 is formed with a ring flange 611, the adjusting sleeve The ring flange 611 of the ring 61 is selectively abutted against the ring flange 26 of the needle holder 20. The outer wall surface of the adjusting sleeve 61 is formed with at least one convex portion 612 protrudingly formed. The convex portion 612 is movably disposed on the housing. The knob 62 is sleeved and fixed to the end of the adjusting sleeve 61, and the knob 62 protrudes beyond the second end opening 102 of the housing 10, and the knob 62 abuts the firing The second end of the force providing unit 40.

在本新型之一或更多實施例中,採血筆係與採血針配合來採集血液。請參閱圖6配合圖2所示,當尚未將採血針***採血筆時,該針座20受該擊發力提供單元40之推頂而朝第一方向延伸,此時該第二限位單元22未與該第一限位單元13接觸而兩者呈分離狀態。In one or more embodiments of the present invention, the blood collection pen is used in conjunction with a blood collection needle to collect blood. Referring to FIG. 6 , as shown in FIG. 2 , when the blood collection needle has not been inserted into the blood collection pen, the needle holder 20 is pushed by the firing force providing unit 40 to extend in a first direction, and the second limiting unit 22 is at this time. It is not in contact with the first limiting unit 13 and the two are in a separated state.

請參閱圖7及圖8所示,當***採血針70且呈未擊發狀態時,採血針70之第二端抵靠於該針座20之擋壁21,採血針70之側壁受該針座20之夾片27夾持而穩固定位於該針座20中,內推採血針70以將該針座20內推並軸向壓縮該擊發力提供單元40以蓄積彈力,直到該第二限位單元22越過該第一限位單元13並抵靠於該第一限位單元13,此時該針座20因該第二限位單元22受該第一限位單元13的阻擋,而使該針座20無法朝第一方向移動,該第二限位單元22之位置對應於該擊發機構30之彈片31的第一端311。當欲使用採血針70穿刺皮膚、血管等組織以收集血液前,先將突出於該筆頭套筒11外的針帽72移除,以顯露出針頭71,此時針頭71仍維持在筆頭套筒11之中而未突出於殼體10之第一端外。Referring to FIG. 7 and FIG. 8, when the lancet 70 is inserted and is in an unfired state, the second end of the lancet 70 abuts against the retaining wall 21 of the hub 20, and the side wall of the lancet 70 is received by the hub. The clip 27 of the 20 is clamped and fixedly positioned in the hub 20, and the lancet 70 is pushed to push the hub 20 and axially compress the firing force providing unit 40 to accumulate the elastic force until the second limit. The unit 22 passes over the first limiting unit 13 and abuts the first limiting unit 13. At this time, the needle holder 20 is blocked by the first limiting unit 13 because the second limiting unit 22 is blocked by the first limiting unit 13. The needle holder 20 cannot move in the first direction, and the position of the second limiting unit 22 corresponds to the first end 311 of the elastic piece 31 of the firing mechanism 30. Before using the blood collection needle 70 to puncture the skin, blood vessels and the like to collect blood, the needle cap 72 protruding outside the pen sleeve 11 is first removed to reveal the needle 71, and the needle 71 is still maintained in the pen sleeve. 11 does not protrude beyond the first end of the housing 10.

請參閱圖9及圖10所示,當欲使用採血針70穿刺皮膚、血管等組織以收集血液,而為擊發狀態時,按壓該擊發機構30之蓋板32以下壓該彈片31之第一端311,使得該彈片31之第一端311下壓該第二限位單元22,則該第二限位單元22擺動後脫離該第一限位單元13,此時該針座20失去限制而該擊發力提供單元40可自由釋放彈力,藉此推動該針座20朝第一方向移動,以使得該針頭71突出於該殼體10之第一端以穿刺人體並採集血液;在該針座20朝第一方向移動的同時,該針座20之翼片24漸漸接近該殼體10之斜板16並逐漸被所述斜板16徑向壓縮,則所述翼片24受壓而蓄積彈力。此外,該擊發機構30之蓋板32下壓該彈片31之第一端311之最大移動距離為該第一限位單元13所限制,使得蓋板32不會因為過度施力而毀損,該針座20之環凸緣26抵靠於該調整套筒61之環凸緣611,以限制該針座20朝第一方向延伸之行程,而避免該針座20由該殼體10之第一端開口101脫離該殼體10。Referring to FIG. 9 and FIG. 10, when the blood collection needle 70 is used to puncture the skin, blood vessels and the like to collect blood, and in the fired state, the first end of the elastic piece 31 is pressed below the cover plate 32 of the firing mechanism 30. 311, the first end 311 of the elastic piece 31 is pressed against the second limiting unit 22, and the second limiting unit 22 is swung out of the first limiting unit 13, and the needle holder 20 is lost. The firing force providing unit 40 is free to release the elastic force, thereby pushing the needle holder 20 to move in the first direction, so that the needle 71 protrudes from the first end of the housing 10 to puncture the human body and collect blood; While moving in the first direction, the flap 24 of the hub 20 gradually approaches the swash plate 16 of the housing 10 and is gradually compressed radially by the swash plate 16, and the flap 24 is compressed to accumulate elastic force. In addition, the maximum moving distance of the first end 311 of the elastic piece 31 pressed by the cover 32 of the firing mechanism 30 is limited by the first limiting unit 13 so that the cover 32 is not damaged by excessive force. The ring flange 26 of the seat 20 abuts against the ring flange 611 of the adjusting sleeve 61 to limit the stroke of the needle holder 20 in the first direction, and avoids the needle holder 20 from the first end of the housing 10. The opening 101 is detached from the housing 10.

請參閱圖11所示,當該擊發力提供單元40之彈力釋放到一定程度而所述翼片24累積之彈力較大時,所述翼片24釋放彈力而欲徑向回復至一般寬度,則迫使所述翼片24脫離所述斜板16,進而使得該針座20朝第二方向略微移動,以使得針頭71回縮入該殼體10之第一端中,故使用後的針頭71將自動縮入殼體10中以避免誤刺。且此時由於該第二限位單元22並未與該第一限位單元13接觸,故使用者無法再次擊發該採血針70,而可避免該針頭71不慎被重複使用。Referring to FIG. 11, when the elastic force of the firing force providing unit 40 is released to a certain extent and the elastic force accumulated by the flap 24 is large, the flap 24 releases the elastic force and wants to radially return to the general width. Forcing the flap 24 away from the swash plate 16, thereby causing the needle holder 20 to move slightly in the second direction, so that the needle 71 is retracted into the first end of the housing 10, so that the used needle 71 will The housing 10 is automatically retracted to avoid spurs. At this time, since the second limiting unit 22 is not in contact with the first limiting unit 13, the user cannot fire the blood collecting needle 70 again, and the needle 71 can be prevented from being inadvertently reused.

請參閱圖12所示,當欲將使用過的採血針70退出以更換新的採血針70時,推動該退針機構50之推鈕52的冠部521,使該致動桿51穿過該擋壁21之貫孔211而推頂該採血針70,此時該復位彈簧53被軸向壓縮以蓄積彈力,採血針70被推出至該殼體10之第一端外一定長度後,使用者即可將採血針70取出或該採血針70可直接射出,當使用者放開推鈕52後,則該復位彈簧53釋放彈力而使該致動桿51及該推鈕52回復至如圖6所示之原始位置。Referring to FIG. 12, when the used lancet 70 is to be withdrawn to replace the new lancet 70, the crown 521 of the push button 52 of the withdrawal mechanism 50 is pushed to pass the actuation rod 51. The blood collection needle 70 is pushed up by the through hole 211 of the retaining wall 21, and the return spring 53 is axially compressed to accumulate the elastic force. After the blood collection needle 70 is pushed out to the first end of the housing 10 for a certain length, the user The lancet 70 can be taken out or the lancet 70 can be directly ejected. When the user releases the push button 52, the return spring 53 releases the elastic force to return the actuating lever 51 and the push button 52 to FIG. 6. The original location shown.

另請參閱圖13至圖15所示,使用者可透過旋轉該旋鈕62,使該凸部612於該斜槽17中移動,改變該調整套筒61延伸入該殼體10之中的深度,來調整該針座20之環凸緣26與該調整套筒61之環凸緣611的距離,進而限制該針座20的移動行程長度。Referring to FIG. 13 to FIG. 15 , the user can rotate the knob 62 to move the convex portion 612 in the chute 17 to change the depth of the adjusting sleeve 61 extending into the casing 10 . The distance between the ring flange 26 of the hub 20 and the ring flange 611 of the adjustment sleeve 61 is adjusted to limit the length of the travel of the hub 20.

透過以上的結構,該擊發機構30係設於該殼體10之穿孔12中,以避免突出於該殼體10外,而可避免誤觸並維持美觀,且該蓋板32覆蓋於該彈片31外,亦可避免灰塵及水滴進入該穿孔12,而能維持採血筆內部的潔淨程度。Through the above structure, the firing mechanism 30 is disposed in the through hole 12 of the casing 10 to avoid protruding out of the casing 10, thereby avoiding accidental contact and maintaining aesthetic appearance, and the cover plate 32 covers the elastic piece 31. In addition, dust and water droplets can be prevented from entering the perforation 12, and the internal cleanliness of the blood collection pen can be maintained.

以上所述僅是本新型的較佳實施例而已,並非對本新型做任何形式上的限制,雖然本新型已以較佳實施例揭露如上,然而並非用以限定本新型,任何所屬技術領域中具有通常知識者,在不脫離本新型技術方案的範圍內,當可利用上述揭示的技術內容作出些許更動或修飾為等同變化的等效實施例,但凡是未脫離本新型技術方案的內容,依據本新型的技術實質對以上實施例所作的任何簡單修改、等同變化與修飾,均仍屬於本新型技術方案的範圍內。The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the present invention, and In general, those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content disclosed above, without departing from the scope of the present invention. Any novel modifications, equivalent changes, and modifications made to the above embodiments are still within the scope of the present invention.

10‧‧‧殼體
101‧‧‧第一端開口
102‧‧‧第二端開口
103‧‧‧上殼體
104‧‧‧下殼體
11‧‧‧筆頭套筒
12‧‧‧穿孔
13‧‧‧第一限位單元
14‧‧‧通孔
15‧‧‧導軌
16‧‧‧斜板
17‧‧‧斜槽
20‧‧‧針座
21‧‧‧擋壁
211‧‧‧貫孔
22‧‧‧第二限位單元
23‧‧‧長孔
24‧‧‧翼片
25‧‧‧容槽
251‧‧‧缺槽
26‧‧‧環凸緣
27‧‧‧夾片
28‧‧‧導柱
30‧‧‧擊發機構
31‧‧‧彈片
311‧‧‧第一端
312‧‧‧第二端
32‧‧‧蓋板
321‧‧‧指示部
40‧‧‧擊發力提供單元
50‧‧‧退針機構
51‧‧‧致動桿
52‧‧‧推鈕
521‧‧‧冠部
522‧‧‧壓制條
53‧‧‧復位彈簧
60‧‧‧距離調整機構
61‧‧‧調整套筒
611‧‧‧環凸緣
612‧‧‧凸部
62‧‧‧旋鈕
70‧‧‧採血針
71‧‧‧針頭
72‧‧‧針帽
10‧‧‧shell
101‧‧‧ first end opening
102‧‧‧second end opening
103‧‧‧Upper casing
104‧‧‧ Lower case
11‧‧‧ pen head sleeve
12‧‧‧Perforation
13‧‧‧First limit unit
14‧‧‧through hole
15‧‧‧rail
16‧‧‧ sloping plate
17‧‧‧ chute
20‧‧‧ needle seat
21‧‧ ‧ retaining wall
211‧‧‧through holes
22‧‧‧second limit unit
23‧‧‧ long holes
24‧‧‧ wing
25‧‧‧ 容容
251‧‧‧ Missing slot
26‧‧‧ ring flange
27‧‧‧ Clips
28‧‧‧ Guide column
30‧‧‧Scoring agency
31‧‧‧Shrap
311‧‧‧ first end
312‧‧‧ second end
32‧‧‧ Cover
321‧‧‧Instruction Department
40‧‧‧Blasting force supply unit
50‧‧‧Retraction mechanism
51‧‧‧Acoustic rod
52‧‧‧ push button
521‧‧‧ crown
522‧‧‧Suppressed strip
53‧‧‧Return spring
60‧‧‧ distance adjustment mechanism
61‧‧‧Adjustment sleeve
611‧‧‧ring flange
612‧‧‧ convex
62‧‧‧ knob
70‧‧ ‧ blood collection needle
71‧‧‧ needle
72‧‧‧ needle cap

圖1A為本新型之一實施例之立體圖。 圖1B為本新型之一實施例之第一角度側視圖。 圖1C為本新型之一實施例之第二角度側視圖。 圖2為本新型之一實施例之元件分解圖。 圖3為本新型之一實施例之另一角度元件分解圖。 圖4為本新型之一實施例之上殼體的側視圖。 圖5為本新型之一實施例之調整套筒的立體圖。 圖6為沿圖1B之A-A剖面線之側視剖面圖。 圖7為沿圖1B之A-A剖面線之側視剖面第一動作圖。 圖8為沿圖1B之A-A剖面線之側視剖面第二動作圖。 圖9為沿圖1B之A-A剖面線之側視剖面第三動作圖。 圖10為沿圖1C之B-B剖面線之側視剖面第三動作圖。 圖11為沿圖1C之B-B剖面線之側視剖面第四動作圖。 圖12為沿圖1C之B-B剖面線之側視剖面第五動作圖。 圖13為沿圖1C之B-B剖面線之側視剖面第六動作放大圖。 圖14為沿圖1C之B-B剖面線之側視剖面第七動作放大圖。 圖15為沿圖1C之B-B剖面線之側視剖面第八動作放大圖。1A is a perspective view of an embodiment of the present invention. Figure 1B is a first perspective side view of one embodiment of the present invention. Figure 1C is a second perspective side view of one embodiment of the present invention. Figure 2 is an exploded view of an embodiment of the present invention. Figure 3 is an exploded perspective view of another angular element of one embodiment of the present invention. Figure 4 is a side elevational view of the upper housing of one embodiment of the present invention. Figure 5 is a perspective view of an adjustment sleeve of one embodiment of the present invention. Figure 6 is a side cross-sectional view taken along line A-A of Figure 1B. Fig. 7 is a first side view showing a side cross section taken along line A-A of Fig. 1B. Figure 8 is a second side view showing a side cross section taken along line A-A of Figure 1B. Fig. 9 is a third side view showing a side cross section taken along line A-A of Fig. 1B. Fig. 10 is a third side view showing a side cross section taken along line B-B of Fig. 1C. Figure 11 is a fourth side view showing a side cross section taken along line B-B of Figure 1C. Fig. 12 is a fifth side view showing a side cross section taken along line B-B of Fig. 1C. Fig. 13 is an enlarged plan view showing a sixth side of the cross section taken along line B-B of Fig. 1C; Fig. 14 is an enlarged plan view showing a seventh side of the cross section taken along line B-B of Fig. 1C. Figure 15 is an enlarged plan view showing the eighth side of the cross section taken along line B-B of Figure 1C.

10‧‧‧殼體10‧‧‧shell

103‧‧‧上殼體103‧‧‧Upper casing

104‧‧‧下殼體104‧‧‧ Lower case

11‧‧‧筆頭套筒11‧‧‧ pen head sleeve

14‧‧‧通孔14‧‧‧through hole

30‧‧‧擊發機構30‧‧‧Scoring agency

321‧‧‧指示部321‧‧‧Instruction Department

50‧‧‧退針機構50‧‧‧Retraction mechanism

60‧‧‧距離調整機構60‧‧‧ distance adjustment mechanism

Claims (10)

一種採血筆,包括: 一殼體,其內部中空且兩端具有開口,該殼體之側壁設有一穿孔,該穿孔中設有一第一限位單元; 一針座,其可移動地設於該殼體中,該針座之外壁面設有一第二限位單元,該第二限位單元與該第一限位單元相對應,以限制該針座在未擊發狀態下無法朝第一方向移動; 一擊發機構,其設於該殼體之該穿孔中,該擊發機構對應該第一限位單元,且在未擊發狀態下該擊發機構與該第二限位單元相抵靠,在擊發狀態下,該擊發機構推頂該第二限位單元,使該第二限位單元脫離該第一限位單元,而該針座在擊發狀態下可朝第一方向移動; 一擊發力提供單元,其設於該殼體中,並提供該針座在擊發狀態下朝第一方向移動之力。A blood collection pen comprises: a casing having a hollow interior and an opening at both ends, a side wall of the casing is provided with a perforation, wherein the perforation is provided with a first limiting unit; and a needle seat is movably disposed on the a second limiting unit is disposed on the outer wall surface of the housing, and the second limiting unit corresponds to the first limiting unit to restrict the needle holder from moving in the first direction in an unfired state. a firing mechanism disposed in the perforation of the housing, the firing mechanism corresponding to the first limiting unit, and in the unfired state, the firing mechanism abuts the second limiting unit, in the firing state The firing mechanism pushes the second limiting unit to disengage the second limiting unit from the first limiting unit, and the needle holder is movable in the first direction in the firing state; a firing force providing unit Provided in the housing and providing a force for the needle holder to move in a first direction in a fired state. 如請求項1所述之採血筆,其中該擊發機構之外壁面與該殼體之外壁面實質上齊平。The blood collection pen of claim 1, wherein the outer wall surface of the firing mechanism is substantially flush with the outer wall surface of the housing. 如請求項1或2所述之採血筆,其中該擊發機構包含有一彈片及一蓋板,該彈片設於該殼體之穿孔中且該彈片具有一第一端及一第二端,該彈片之第一端為一自由端,該彈片之第二端與該殼體之側壁相連接,該彈片之自由端與該第一限位單元相對應,該蓋板設於該殼體之穿孔中且覆蓋於該彈片之外側面。The lancet of claim 1 or 2, wherein the firing mechanism comprises a resilient piece and a cover plate, the elastic piece is disposed in the through hole of the housing, and the elastic piece has a first end and a second end, the elastic piece The first end of the elastic piece is connected to the side wall of the housing, and the free end of the elastic piece corresponds to the first limiting unit, and the cover plate is disposed in the through hole of the housing. And covering the outer side of the shrapnel. 如請求項3所述之採血筆,其中該蓋板之外表面設有一指示部,在未擊發狀態下,該指示部、該彈片之第一端、與該針座之第二限位單元之位置相對應。The blood collection pen according to claim 3, wherein an outer surface of the cover is provided with an indication portion, and in the unfired state, the indication portion, the first end of the elastic piece, and the second limit unit of the needle holder are The location corresponds. 如請求項4所述之採血筆,其中該蓋板之一端與該殼體之側壁相連接。The blood collection pen of claim 4, wherein one end of the cover is coupled to a side wall of the housing. 如請求項1或2所述之採血筆,其中該擊發力提供單元為一彈簧,該針座具有一第一端及一第二端,該針座之第一端係相對於該第一方向,該擊發力提供單元設於該針座之第二端。The blood collection pen according to claim 1 or 2, wherein the firing force providing unit is a spring, the needle holder has a first end and a second end, and the first end of the needle seat is opposite to the first direction The firing force providing unit is disposed at the second end of the needle seat. 如請求項6所述之採血筆,其中該針座之第二端設有一容槽,該擊發力提供單元設於該容槽中。The lancet of claim 6, wherein the second end of the hub is provided with a pocket, and the firing force providing unit is disposed in the pocket. 如請求項1或2所述之採血筆,其進一步包含有一退針機構,該退針機構穿設於該殼體中且包含有一致動桿、一推鈕及一復位彈簧,該致動桿可移動地穿設於該針座中,該推鈕徑向延伸成形於該致動桿上且貫穿該針座及該殼體,該復位彈簧套設於該致動桿外且兩端分別推頂於該針座內及該致動桿端部。The lancet of claim 1 or 2, further comprising a retraction mechanism, the retraction mechanism being disposed in the housing and including an actuating lever, a push button and a return spring, the actuating lever The push button is movably formed on the actuating rod and extends through the needle base and the housing. The return spring is sleeved outside the actuating rod and pushed at both ends It is placed in the needle seat and at the end of the actuating rod. 如請求項1或2所述之採血筆,其中該殼體之內壁面上成形有兩相對的斜板,所述斜板呈傾斜狀而使兩斜板之間距由第二端至第一端漸窄,該針座之外壁面設有兩翼片,所述翼片呈傾斜設置,各翼片之第二端與該針座之外壁面連接,而各翼片第一端為自由端且朝遠離針座之外壁面的方向傾斜,各翼片對應於該殼體之其中一斜板。The blood collection pen according to claim 1 or 2, wherein two opposite inclined plates are formed on the inner wall surface of the casing, the inclined plates are inclined such that the distance between the two inclined plates is from the second end to the first end Increasingly narrow, the outer wall surface of the needle seat is provided with two fins, the fins are arranged obliquely, and the second ends of the fins are connected with the outer wall surface of the needle seat, and the first ends of the fins are free ends and facing The blade is inclined away from the outer wall surface of the needle seat, and each of the fins corresponds to one of the inclined plates of the housing. 如請求項1或2所述之採血筆,其進一步包含有一距離調整機構,該殼體之內壁面上成形有至少一斜槽,該針座之第二端的端緣環繞成形有一環凸緣,該距離調整機構包含有一調整套筒,該調整套筒穿設於該殼體之第二端中並套設於該針座之第二端,該調整套筒之內壁面成形有一環凸緣,該調整套筒之環凸緣選擇性與該針座之環凸緣相抵靠,該調整套筒之外壁面突伸成形有至少一凸部,所述凸部可移動地設於該殼體之斜槽中。The lancet of claim 1 or 2, further comprising a distance adjusting mechanism, the inner wall surface of the housing is formed with at least one chute, and the end edge of the second end of the needle seat is formed with a ring flange. The distance adjusting mechanism includes an adjusting sleeve, the adjusting sleeve is disposed in the second end of the housing and sleeved on the second end of the needle seat, and the inner wall surface of the adjusting sleeve is formed with a ring flange. The ring flange of the adjusting sleeve is selectively abutted against the ring flange of the needle seat, and the outer wall surface of the adjusting sleeve is formed with at least one convex portion, and the convex portion is movably disposed on the housing In the chute.
TW103217305U 2014-09-30 2014-09-30 Lancing device having triggering mechanism aligned with the shell of the lancing device TWM494592U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200352496A1 (en) * 2019-05-12 2020-11-12 Tianjin Huahong Technology Co., Ltd. Lancet device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200352496A1 (en) * 2019-05-12 2020-11-12 Tianjin Huahong Technology Co., Ltd. Lancet device

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