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    • 3. 发明公开
    • Simplified safety syringe with retractable self-biased needle
    • 西里赫特Einwegspritze mitzurückziehenderselbstvorgespannter Nadel。
    • EP0661067A1
    • 1995-07-05
    • EP94304068.3
    • 1994-06-07
    • Chen, Long-Hsiung
    • Chen, Long-Hsiung
    • A61M5/32
    • A61M5/322A61M2005/3224A61M2005/3284
    • A safety syringe includes: a hollow needle (2) normally held in a front portion of a syringe (1), a plunger (31) slidably held in the syringe (1) for injection use, a coupling member (30) retained in the plunger (31) engageable with at least a biasing socket (27) recessed in a rear needle portion of the hollow needle (2) with the biasing socket (27) generally formed as a conical shape having a longitudinal conical axis (270) inclined from a needle axis (200) of the needle (2) when normally fixed in the syringe (1) with the needle axis (200) aligned with a syringe axis (100) longitudinally formed in a center line of the syringe (1), whereby upon retraction of the plunger (31) and the needle (2) coupled to the plunger (31), with the biasing socket (27) of the needle (2) forcibly coupled with the coupling member (30), into a bore portion (10) in the syringe (1), the needle (2) will be automatically inclined as the biasing socket (27) of the needle (2) is restored by the coupling member (30) retained in the plunger (31) to prevent an outward protruding of the retracted needle (2) from the syringe (1) for preventing its pricking to the others.
    • 安全注射器具有针(21),其中近侧基座(2)保持在枪管远端喷嘴(12)中,并且具有形成在基座的近端中的锥形插座(27),并且与针轴线成锐角 。 嵌入在柱塞(31)远端中的联接构件(30)具有与插座接合的箭头形端部(301)。 柱塞缩回将针头拉入筒体,并且底座的固有的恢复力使针头成一角度并与杆远端肩部接合,使得其不能突出穿过喷嘴。
    • 5. 发明公开
    • Safety vacuum syringe for blood sampling conformed to ergonomics
    • Ergonomisch gestaltete SicherheitsvakuumspritzefürBlutproben
    • EP1266618A1
    • 2002-12-18
    • EP01113514.2
    • 2001-06-11
    • Chen, Long-Hsiung
    • Chen, Long-Hsiung
    • A61B5/15
    • A61B5/154A61B5/15003A61B5/150351A61B5/150389A61B5/150473A61B5/150526A61B5/150641A61B5/150732
    • The present invention relates to a safety vacuum syringe for blood sampling conformed to ergonomics, mainly comprises: a hollow barrel (10), the barrel has a reduced inlet (12) disposed on the top end thereof and a guiding slit (14) disposed at the flank side thereof. A reduced lining tube (20) is installed in the barrel, an eccentric reduced portion (23) is eccentrically disposed on the top end of the reduced lining tube and has an opening (24) at the lower end thereof, the eccentric reduced portion is wedged and fixed in the reduced lining tube and projects out of the reduced inlet. Besides, a needle head (30) is fixedly covered on the eccentric reduced portion, a through guiding hole (222) is disposed at the center of the eccentric reduced portion to position a type needle (26) therein, a lower needle tip (262) of the needle is positioned at the central axis in the reduced lining tube, a press plate (21) is connected to said reduced lining tube (20) at the outer flank side thereof and is positioned in the guiding slit (14). And a vacuum tube (40) is disposed in the barrel, an elastic plug (42) is covered on an opening at the upper side of the vacuum tube. The needle head (30) of the present is eccentrically disposed to conform completely to ergonomics, enabling the angle of blood sampling to be lowered to make blood sampling more convenient, and the conventional products can still be used in the invention such as the needle head and the vacuum tube to avoid extra molding expense.
    • 本发明涉及一种符合人体工程学的采血安全真空注射器,主要包括:一个中空筒体(10),该筒体具有设置在其上端的减小的入口(12)和一个引导狭缝(14) 其侧面。 减压衬管(20)安装在筒体中,偏心减薄部分(23)偏心地设置在还原衬管的顶端,并且在其下端具有开口(24),偏心减小部分 楔入并固定在还原衬管中并从减压入口突出。 此外,针头(30)被固定地覆盖在偏心缩小部分上,穿过引导孔(222)设置在偏心缩小部分的中心处以将类型的针(26)定位在其中,下针尖(262) )位于减压衬管的中心轴线处,压板(21)在其外侧面与所述还原衬管(20)连接,并且位于引导狭缝(14)中。 并且在筒体内配置有真空管40,弹性塞42被覆盖在真空管的上侧的开口部上。 本发明的针头(30)偏心地设置成完全符合人体工程学,使血液取样角度降低,使血液取样更方便,而且常规产品仍可用于本发明,例如针头 和真空管,以避免额外的成型费用。
    • 6. 发明公开
    • Safety syringe with retractable self-biased needle for intravenous injection without packing ring
    • 安全注射器用于静脉内注射可伸缩自偏置针而不夹紧环
    • EP0818210A1
    • 1998-01-14
    • EP96305085.1
    • 1996-07-10
    • Chen, Long-Hsiung
    • Chen, Long-Hsiung
    • A61M5/32A61M5/34A61M5/50
    • A61M5/322A61M5/346A61M5/348A61M2005/3224A61M2005/3284A61M2005/342
    • A safety syringe (1) for intravenous injection includes: a hollow needle (21) normally eccentrically held in a sleeve portion (12) formed on a front portion of a syringe, a suction tube replaceably mounted on the sleeve portion (12) for sucking liquid medicine from an ampoule into the syringe, a plunger (31) straightly slidably held in the syringe for injection use, a coupling member (30) retained in the plunger (31) engageably with a biasing socket (27) recessed in a rear needle portion of the hollow needle (21) with the biasing socket (27), whereby upon pushing of the plunger (31) to the needle by forcibly inserting the coupling member (30) into the biasing socket (27) of the needle (21) when finishing the injection, the biasing socket (27) will be forcibly coupled with the coupling member (30), and upon retraction of the plunger (31) and the needle (21) into the syringe (1), the needle (21) will be automatically inclined to prevent an outward protruding of the retracted needle (21) from the syringe (1) for preventing its pricking to the others; with the hollow needle (21) annularly formed with a ratchet-tooth recess (26) in a shank portion (22) of the hollow needle (21) to be engaged with a ratchet tooth (120) annularly formed in an inside surface of the sleeve portion (12), thereby preventing an outward forward injection of the hollow needle (21) during the injection, and allowing a smooth rearward of the hollow needle (21) from the sleeve portion (12) to be retracted into the syringe (1) after the injection.
    • 用于静脉内注射的安全注射器(1)包括:中空针(21)通常偏心形成在注射器的前部的套筒部(12)保持,吸入管更换地安装在用于吸入套筒部分(12) 从到安瓿到注射器的药液,柱塞(31)直线地可滑动地在所述注射器注射用保持,联接件(30)在所述柱塞(31)保持接合地与在后针凹陷的偏置插座(27) 在中空针(21)与偏压插座(27)的部分,由此在由所述联接件(30)强制插入针的偏置插座(27)推动所述柱塞(31)的针(21) 当完成注射,偏压插座(27),将强制联接与连接构件(30),并且在所述柱塞(31)和所述针(21)插入到注射器(1)的回缩时,针(21) 会自动倾斜以防止在向外突出缩回针(21) 从注射器(1),用于防止其穿刺到他人; 与所述中空针(21)与所述中空针(21)的柄部(22)的棘轮齿凹槽(26)形成为环状以与棘轮齿(120)在所述内表面上环状地形成在接合 套筒部(12),从而在注射过程中防止所述中空针(21)的向外向前注射,并允许从所述套筒部分(12)的中空针(21)的平滑向后缩回到注射器(1 )在注射后。
    • 9. 发明公开
    • Safety syringe with retractable needle
    • Hohernadel的Sicherheitsspritze mitzurückziehbarer
    • EP1506740A1
    • 2005-02-16
    • EP03017631.7
    • 2003-08-12
    • Chen, Long-Hsiung
    • Chen, Long-Hsiung
    • A61B5/15
    • A61B5/150893A61B5/15003A61B5/150389A61B5/150473A61B5/150633A61B5/150732A61B5/154A61M2005/3224A61M2005/3228
    • A safety syringe with retractable needle is disclosed. The syringe body contains a hollow needle mounted on a base. An ear on the base extends through a guide slot in the wall of the body. The ear follows the guide slot and allows the needle to extend and protrude from the end of the body or be retracted back into the body after use. A front and rear lock slot hold the needle in an extended or retracted position. Once retracted, the needle tilts to one side, thus easily identifying the syringe as used and preventing the needle from accidentally protruding from the syringe body. A vial removal knob provides easy removal of the sample vial. A rear cover closes the end of the body to prevent the rear needle tip from protruding from the body. Therefore, a high degree of safety for medical personnel and patients is ensured.
    • 公开了一种具有伸缩针的安全注射器。 注射器主体包含安装在基座上的空心针。 基座上的耳朵延伸穿过身体壁上的导槽。 耳朵跟随引导槽,并允许针从身体的端部延伸并突出,或者在使用后缩回到体内。 前后锁定槽将针头保持在延伸或缩回位置。 一旦缩回,针头倾斜到一侧,因此容易地识别使用的注射器,并防止针头从注射器主体意外突出。 小瓶拆卸旋钮可轻松取出样品瓶。 后盖封闭主体的端部,以防止后针尖从身体突出。 因此,确保医务人员和患者的高度安全。
    • 10. 发明公开
    • Safety syringe for intravenous injection with a guided plunger
    • SicherheitsspritzefürintravenousöseInjektion mitgeführtemKolben
    • EP0908192A2
    • 1999-04-14
    • EP98304807.5
    • 1998-06-17
    • Chen, Long-Hsiung
    • Chen, Long-Hsiung
    • A61M5/32
    • A61M5/322A61M2005/3106A61M2005/3224A61M2005/342
    • The present invention relates to a safety syringe for intravenous injection with a guided plunger, which comprises a barrel, a needle unit, and a plunger. An outlet is eccentrically disposed on the top of the barrel. The needle unit includes a needle and a spindle shaped needle holder mounted inside the outlet. A connecting stem has a arrowheaded mortise disposed under the spindle shaped needle holder. A plunger has a plunger head on the top with a arrowheaded tenon eccentrically disposed thereon. A supporting plate disposed under the plunger head having two guide notches inside the barrel is matched with two longitudinal guide strips that the arrowheaded tenon can exactly toward the needle unit. After finished the injection, the arrowhead beetle and the needle unit are connected together, the needle unit is pulled to the side of the barrel and deformed.
    • 本发明涉及一种用于静脉注射的安全注射器,其具有引导柱塞,其包括筒体,针单元和柱塞。 出口偏心地设置在桶的顶部。 针单元包括安装在出口内的针和心轴形针保持器。 连接杆具有设置在纺锤形针保持器下方的箭头的榫眼。 柱塞在顶部具有柱塞头,其上具有偏心地设置在其上的箭头榫头。 设置在柱塞头下方的支撑板在筒内具有两个导向槽口,与两个纵向引导条相配合,箭头的榫头可以精确地朝向针单元。 注射完成后,箭头甲虫和针头单元连接在一起,针单元被拉到桶的侧面并变形。