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CN116509334A - Needle aid - Google Patents

Needle aid
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Publication number
CN116509334A
CN116509334ACN202310628836.5ACN202310628836ACN116509334ACN 116509334 ACN116509334 ACN 116509334ACN 202310628836 ACN202310628836 ACN 202310628836ACN 116509334 ACN116509334 ACN 116509334A
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CN
China
Prior art keywords
base
ejection
key unlocking
ejector
needle
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CN202310628836.5A
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Chinese (zh)
Inventor
许明
魏健
徐东
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Seagate Medical Technology Shenzhen Co ltd
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Seagate Medical Technology Shenzhen Co ltd
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Priority to CN202310628836.5ApriorityCriticalpatent/CN116509334A/en
Publication of CN116509334ApublicationCriticalpatent/CN116509334A/en
Pendinglegal-statusCriticalCurrent

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Abstract

The invention provides a needle aid, which comprises a shell, a key unlocking base, a key unlocking spring, an ejection base component and an ejection spring, wherein a key is arranged on the shell, the key unlocking base is arranged in the shell, the key unlocking base is in axial up-down movable fit with the shell, the ejection base component is arranged in the key unlocking base, the ejection base component is provided with an ejection base triggering buckle position, the key unlocking spring is clamped between the shell and the key unlocking base, the key unlocking base is provided with a key unlocking through hole, and the ejection spring is clamped between the key unlocking base and the ejection base component. The beneficial effects of the invention are as follows: when not in use, ejection can not be triggered by pressing a key on the shell, so that the risk of false triggering when not in use is avoided.

Description

Translated fromChinese
一种助针器a needle aid

技术领域technical field

本发明涉及医疗装置,尤其涉及一种助针器。The invention relates to a medical device, in particular to a needle aid.

背景技术Background technique

助针器是持续代谢参数监测装置的重要组成部分,可以将传感器的柔性检测部分植入皮下,可以较好的实现持续代谢参数监测。现有的助针器在不使用时,容易出现按键误触发的情况,一方面,一旦误触发,针会弹出,可能会误伤人,存在安全隐患,另一方面,持续代谢参数监测装置是一次性用品,一旦助针器误触发,就只能报废,导致浪费。The needle aid is an important part of the continuous metabolic parameter monitoring device. The flexible detection part of the sensor can be implanted subcutaneously, which can better realize continuous metabolic parameter monitoring. When the existing needle aid is not in use, it is easy to trigger the button by mistake. On the one hand, once it is triggered by mistake, the needle will pop out, which may accidentally injure people, posing a safety hazard. On the other hand, the continuous metabolic parameter monitoring device is a one-time For sexual products, once the needle aid is triggered by mistake, it can only be scrapped, resulting in waste.

因此,如何提供一种助针器,可以避免按键误触发的情况,是本领域技术人员所亟待解决的技术问题。Therefore, how to provide a needle aid that can avoid the situation of false triggering of keys is a technical problem to be solved urgently by those skilled in the art.

发明内容Contents of the invention

为了解决现有技术中的问题,本发明提供了一种助针器。In order to solve the problems in the prior art, the invention provides a needle aid.

本发明提供了一种助针器,包括外壳、按键解锁底座、按键解锁弹簧、弹射底座组件和弹射弹簧,所述外壳上设有按键,所述按键解锁底座设置在所述外壳的内部,所述按键解锁底座与所述外壳为轴向上下升降活动配合,所述弹射底座组件安装在所述按键解锁底座的内部,所述弹射底座组件上设有弹射底座触发扣位,所述按键解锁弹簧夹紧在所述外壳、按键解锁底座之间,所述按键解锁底座上设有按键解锁通孔,所述弹射弹簧夹紧在所述按键解锁底座、弹射底座组件之间;The present invention provides a needle aid, which includes a housing, a button unlocking base, a button unlocking spring, an ejection base assembly and an ejecting spring. The housing is provided with a button, and the button unlocking base is arranged inside the housing. The button unlocking base and the shell are axially moved up and down, the ejection base assembly is installed inside the button unlocking base, the ejection base assembly is provided with an ejection base trigger button, and the button unlocking spring Clamped between the shell and the button unlocking base, the button unlocking base is provided with a button unlocking through hole, and the ejection spring is clamped between the button unlocking base and the ejection base assembly;

当所述助针器处于初始状态时,所述外壳上的按键与所述按键解锁底座上的按键解锁通孔相错开,在按压所述外壳上的按键后,所述外壳上的按键压紧在所述按键解锁底座的外侧面,而无法穿过所述按键解锁底座上的按键解锁通孔;When the needle aid is in the initial state, the buttons on the housing are staggered from the button unlocking holes on the button unlocking base, and after pressing the buttons on the housing, the buttons on the housing are pressed tightly on the outer surface of the button unlocking base, and cannot pass through the button unlocking through hole on the button unlocking base;

当所述助针器处于使用状态时,所述按键解锁底座受到人体表面的阻挡而上升,所述按键解锁底座压迫所述按键解锁弹簧收缩,在所述按键解锁底座上升到位之后,所述外壳上的按键与所述按键解锁底座上的按键解锁通孔对位,从外部向内按压所述外壳上的按键后,所述外壳上的按键能够自外向内穿过所述按键解锁底座上的按键解锁通孔,压紧在所述弹射底座组件的弹射底座触发扣位,触发所述弹射底座组件进行弹射工作。When the needle aid is in use, the button unlocking base is blocked by the surface of the human body and rises, the button unlocking base presses the button unlocking spring to contract, and after the button unlocking base rises to the position, the housing The button on the button is aligned with the button unlocking through hole on the button unlocking base. After pressing the button on the shell from the outside inward, the button on the shell can pass through the button on the button unlocking base from outside to inside. Press the button to unlock the through hole, press the trigger button on the ejection base of the ejection base assembly, and trigger the ejection base assembly to perform the ejection work.

作为本发明的进一步改进,所述弹射底座组件的弹射底座触发扣位安装在所述按键解锁底座上并且能够跟随所述按键解锁底座同步上下升降,当所述外壳上的按键穿过所述按键解锁底座上的按键解锁通孔,压紧在所述弹射底座组件的弹射底座触发扣位时,所述弹射底座组件的弹射底座触发扣位径向向内变形并脱离所述按键解锁底座,此时,在所述弹射弹簧的弹力使用下,所述弹射底座组件向下弹射。As a further improvement of the present invention, the ejection base trigger button of the ejection base assembly is installed on the button unlocking base and can be lifted up and down synchronously with the button unlocking base. When the button on the shell passes through the button The key unlocking through hole on the unlocking base is pressed tightly when the ejecting base of the ejection base assembly triggers the buckle, the ejection base of the ejection base assembly triggers the buckle and deforms radially inward and breaks away from the button unlocking base. When, under the elastic force of the ejection spring, the ejection base assembly is ejected downward.

作为本发明的进一步改进,所述弹射底座组件包括弹射底座、发射器底座、触发弹射弹簧、引导针抓扣和抓扣弹簧,所述弹射底座触发扣位设置在所述弹射底座上,所述弹射弹簧夹紧在所述按键解锁底座、弹射底座之间,所述发射器底座安装在所述弹射底座的内部,所述发射器底座与所述弹射底座为轴向上下升降活动配合,所述触发弹射弹簧夹紧在所述弹射底座、发射器底座之间,所述引导针抓扣安装在所述发射器底座的内部,所述发射器底座夹紧所述引导针抓扣,所述抓扣弹簧夹紧在所述引导针抓扣、发射器底座之间,所述引导针抓扣上安装有引导针。As a further improvement of the present invention, the ejection base assembly includes an ejection base, a transmitter base, a trigger ejection spring, a guide pin catch and a catch spring, and the trigger buckle of the ejection base is arranged on the ejection base, the The ejection spring is clamped between the button unlocking base and the ejection base, the launcher base is installed inside the ejection base, and the launcher base and the ejection base are axially up and down to move up and down. The trigger ejection spring is clamped between the ejection base and the launcher base, the guide pin catch is installed inside the launcher base, the launcher base clamps the guide pin catch, and the guide pin catch is installed inside the launcher base. The buckle spring is clamped between the guide needle catch and the base of the transmitter, and a guide needle is installed on the guide needle catch.

作为本发明的进一步改进,在所述弹射底座组件的弹射过程中,当所述弹射底座组件的弹射底座触发扣位被触发后,在所述弹射弹簧的弹力使用下,所述弹射底座带动所述发射器底座下压,所述发射器底座带动所述引导针抓扣下压,所述引导针抓扣带动所述引导针插入人体,所述发射器底座冲击皮肤表面后向上移动,所述触发弹射弹簧收缩,当所述发射器底座上移到位后,松开对所述引导针抓扣的夹紧,所述引导针抓扣在所述抓扣弹簧的弹力作用下向上弹射,将所述引导针从人体中抽出。As a further improvement of the present invention, during the ejection process of the ejection base assembly, when the trigger button of the ejection base of the ejection base assembly is triggered, under the elastic force of the ejection spring, the ejection base drives the The base of the transmitter is pressed down, the base of the transmitter drives the buckle of the guide pin to press down, the buckle of the guide pin drives the pin to insert into the human body, the base of the transmitter moves upward after impacting the skin surface, the Trigger the ejection spring to contract, and when the base of the transmitter moves up to the position, the clamping of the guide pin catch is released, and the guide needle catch is ejected upward under the elastic force of the catch spring, and the The introducer needle is withdrawn from the body.

作为本发明的进一步改进,所述外壳、按键解锁底座、弹射底座、发射器底座、引导针抓扣、按键解锁弹簧、弹射弹簧、触发弹射弹簧和抓扣弹簧同轴安装。As a further improvement of the present invention, the housing, button unlocking base, ejection base, transmitter base, guide pin catch, button unlocking spring, ejection spring, trigger ejection spring and catch spring are coaxially installed.

作为本发明的进一步改进,所述发射器底座上设有发射器底座扣位,所述发射器底座扣位至少有两个并绕所述引导针抓扣的周向间隔设置,所有的所述发射器底座扣位共同向内夹紧所述引导针抓扣,所述弹射底座上设有防张开限位结构,所述防张开限位结构紧贴在所述发射器底座扣位的外侧面,在初始状态下,防止所述发射器底座扣位向外张开,当所述发射器底座上升时,与所述防张开限位结构相错开,所述引导针抓扣在所述抓扣弹簧的弹力作用下向上顶开所述发射器底座扣位,所述发射器底座扣位变形张开,所述引导针抓扣脱离所述发射器底座扣位的夹紧约束。As a further improvement of the present invention, the base of the transmitter is provided with buckles of the base of the transmitter, and there are at least two buckles of the base of the transmitter arranged at intervals around the circumferential direction of the catch of the guide needle, and all of the buckles of the transmitter base The buckle of the base of the transmitter clamps the buckle of the guide pin inward together, and the ejection base is provided with an anti-opening limit structure, and the limit structure of the anti-opening is closely attached to the buckle of the base of the transmitter. The outer side, in the initial state, prevents the buckle of the transmitter base from opening outwards. When the base of the transmitter rises, it is staggered with the anti-opening limit structure, and the guide pin catches the buckle in the position. Under the action of the elastic force of the buckle spring, the buckle of the transmitter base is pushed upwards, the buckle of the transmitter base is deformed and opened, and the buckle of the guide pin breaks away from the clamping constraint of the buckle of the transmitter base.

作为本发明的进一步改进,所述发射器底座扣位为垂直于水平面的悬臂梁,所述按键解锁底座上设有凸起骨位,当所述引导针抓扣脱离所述发射器底座扣位的夹紧约束而向上弹射时,所述引导针抓扣撞击在所述凸起骨位上。As a further improvement of the present invention, the transmitter base buckle is a cantilever beam perpendicular to the horizontal plane, and the button unlocking base is provided with a raised bone position, when the guide pin catch breaks away from the transmitter base buckle When being ejected upward due to the clamping constraint of the guide pin, the guide pin catch hits the raised bone position.

作为本发明的进一步改进,所述助针器还包括发射器组件和传感器组件,所述传感器组件安装在所述发射器组件上,所述发射器组件安装在所述发射器底座上,所述传感器组件包括检测电极,所述引导针上设有引导所述检测电极插入人体的凹槽,所述检测电极设置在所述引导针的凹槽之内。As a further improvement of the present invention, the needle aid also includes a transmitter assembly and a sensor assembly, the sensor assembly is installed on the transmitter assembly, the transmitter assembly is installed on the transmitter base, the The sensor assembly includes a detection electrode, the guide needle is provided with a groove for guiding the detection electrode to be inserted into the human body, and the detection electrode is arranged in the groove of the guide needle.

作为本发明的进一步改进,所述外壳上设有第一到位手感提示骨位,所述按键解锁底座上设有第二到位手感提示骨位,当所述按键解锁底座上升到位时,,所述第一到位手感提示骨位的末端与所述第二到位手感提示骨位的末端发生碰撞。As a further improvement of the present invention, the shell is provided with a first in-position hand feeling to indicate the bone position, and the button unlocking base is provided with a second in-position hand feeling to indicate the bone position. When the key unlocking base rises to the position, the The end of the bone position indicated by the first in-position feel collides with the end of the bone position indicated by the second in-position feel.

作为本发明的进一步改进,所述助针器还包括密封底盖组件,所述密封底盖组件与所述外壳密封连接。As a further improvement of the present invention, the needle aid further includes a sealed bottom cover assembly, and the sealed bottom cover assembly is sealingly connected with the housing.

作为本发明的进一步改进,所述密封底盖组件上设有通风孔,所述通风孔上粘贴有密封贴纸,通过设置通风孔并粘贴密封贴纸,可以为检测传感器提供透气、防水且干燥的环境,有利于传感器的灭菌与保存。As a further improvement of the present invention, the sealed bottom cover assembly is provided with a ventilation hole, and a sealing sticker is pasted on the ventilation hole. By setting the ventilation hole and pasting the sealing sticker, a breathable, waterproof and dry environment can be provided for the detection sensor. , which is beneficial to the sterilization and preservation of the sensor.

本发明的有益效果是:通过上述方案,在不使用时,无法通过按压外壳上的按键来触发弹射,避免了不使用时被误触发的风险。The beneficial effect of the present invention is: through the above solution, when not in use, the ejection cannot be triggered by pressing the button on the shell, avoiding the risk of false triggering when not in use.

附图说明Description of drawings

为了更清楚地说明本发明实施例的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的方案。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other solutions according to these drawings without making creative efforts.

图1是本发明一种助针器的分解示意图。Fig. 1 is an exploded schematic view of a needle aid of the present invention.

图2是本发明一种助针器的引导针的示意图。Fig. 2 is a schematic diagram of a guide needle of a needle aid of the present invention.

图3是本发明一种助针器的传感器组件的示意图。Fig. 3 is a schematic diagram of a sensor assembly of a needle aid of the present invention.

图4是本发明一种助针器的剖面示意图。Fig. 4 is a schematic cross-sectional view of a needle aid of the present invention.

图5是本发明一种助针器在初始状态下的示意图。Fig. 5 is a schematic diagram of a needle aid in an initial state of the present invention.

图6是本发明一种助针器的按键触发示意图。Fig. 6 is a schematic diagram of button triggering of a needle aid of the present invention.

图7是本发明一种助针器的按键触发后向下弹射的示意图。Fig. 7 is a schematic diagram of a needle assist device according to the present invention, which ejects downward after the button is triggered.

图8是本发明一种助针器的防张开限位结构的细节图。Fig. 8 is a detailed view of an anti-expansion limiting structure of a needle aid of the present invention.

图9是本发明一种助针器的发射器底座上升后的示意图。Fig. 9 is a schematic diagram of a needle assist device according to the present invention after the transmitter base is raised.

图10是本发明一种助针器的引导针抓扣脱离发射器底座扣位的夹紧约束的示意图。Fig. 10 is a schematic diagram of the clamping constraint that the guide needle catch of a needle aid device of the present invention disengages from the buckle of the base of the transmitter.

图11是本发明一种助针器的引导针抓扣碰撞到凸起骨位的示意图。Fig. 11 is a schematic diagram of a guide needle catch of a needle aid of the present invention colliding with a raised bone.

图12是本发明一种助针器的到位手感提示的示意图。Fig. 12 is a schematic diagram of a needle-assisting device in the present invention showing a hand feeling prompt.

具体实施方式Detailed ways

需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明保护范围的限制。此外,术语“第一”、“第二”等仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the scope of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以通过具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

下面结合附图说明及具体实施方式对本发明作进一步说明。The present invention will be further described below in conjunction with the description of the drawings and specific embodiments.

如图1至图12所示,一种助针器,包括肋针器组件1、发射器组件2、传感器组件3、引导针4和密封底盖组件5。As shown in FIGS. 1 to 12 , a needle aid includes a ribbed needle assembly 1 , an emitter assembly 2 , a sensor assembly 3 , a guide needle 4 and a sealed bottom cover assembly 5 .

肋针器组件1包括外壳11、按键解锁底座12、按键解锁弹簧13和弹射底座组件和弹射弹簧14。The rib needle assembly 1 includes a housing 11 , a button unlocking base 12 , a button unlocking spring 13 , and an ejection base assembly and an ejection spring 14 .

所述外壳11上设有按键111,按键111的外部设有TPE软胶按键112,可提高手感。The shell 11 is provided with a button 111, and the outside of the button 111 is provided with a TPE soft rubber button 112, which can improve the hand feeling.

所述按键解锁底座12设置在所述外壳11的内部,所述按键解锁底座12与所述外壳11为轴向上下升降活动配合,即按键解锁底座12可以在外壳11的内部沿其轴向进行上下升降运动。The button unlocking base 12 is arranged inside the housing 11, and the button unlocking base 12 cooperates with the housing 11 to move up and down in the axial direction, that is, the button unlocking base 12 can be carried out in the inside of the housing 11 along its axial direction. Up and down movement.

所述弹射底座组件安装在所述按键解锁底座12的内部,所述弹射底座组件上设有弹射底座触发扣位151,所述按键解锁弹簧13夹紧在所述外壳11、按键解锁底座12之间,所述按键解锁底座12上设有按键解锁通孔121,所述弹射弹簧14夹紧在所述按键解锁底座12、弹射底座组件之间。The ejection base assembly is installed inside the button unlocking base 12, and the ejection base assembly is provided with an ejection base trigger button 151, and the button unlocking spring 13 is clamped between the shell 11 and the button unlocking base 12. Between, the button unlocking base 12 is provided with a button unlocking through hole 121, and the ejection spring 14 is clamped between the button unlocking base 12 and the ejection base assembly.

当所述助针器处于初始状态时,所述外壳11上的按键111与所述按键解锁底座12上的按键解锁通孔121相错开,在按压所述外壳11上的按键111后,所述外壳11上的按键111压紧在所述按键解锁底座12的外侧面,而无法穿过所述按键解锁底座12上的按键解锁通孔121,从而起到误触发的作用。When the needle aid is in the initial state, the button 111 on the housing 11 is staggered with the button unlocking through hole 121 on the button unlocking base 12, after pressing the button 111 on the housing 11, the The button 111 on the shell 11 is pressed against the outer surface of the button unlocking base 12, and cannot pass through the button unlocking through hole 121 on the button unlocking base 12, thereby playing the role of false triggering.

当所述助针器处于使用状态时,所述按键解锁底座12受到人体表面的阻挡而上升,所述按键解锁底座12压迫所述按键解锁弹簧13收缩,在所述按键解锁底座12上升到位之后,所述外壳11上的按键111与所述按键解锁底座12上的按键解锁通孔121对位,从外部向内按压所述外壳11上的按键111后,所述外壳11上的按键111能够自外向内穿过所述按键解锁底座12上的按键解锁通孔121,压紧在所述弹射底座组件的弹射底座触发扣位151,触发所述弹射底座组件进行弹射工作。When the needle aid is in use, the button unlocking base 12 is blocked by the surface of the human body and rises, and the button unlocking base 12 compresses the button unlocking spring 13 to contract. After the button unlocking base 12 rises to the position , the button 111 on the casing 11 is aligned with the button unlocking through hole 121 on the button unlocking base 12, after pressing the button 111 on the casing 11 from the outside inward, the button 111 on the casing 11 can Pass through the button unlocking through hole 121 on the button unlocking base 12 from the outside to the inside, press on the ejection base trigger button 151 of the ejection base assembly, and trigger the ejection base assembly to perform ejection work.

所述弹射底座组件的弹射底座触发扣位151安装在所述按键解锁底座12上并且能够跟随所述按键解锁底座12同步上下升降,当所述外壳11上的按键111穿过所述按键解锁底座12上的按键解锁通孔121,压紧在所述弹射底座组件的弹射底座触发扣位151时,所述弹射底座组件的弹射底座触发扣位151径向向内变形并脱离所述按键解锁底座12,此时,在所述弹射弹簧14的弹力使用下,所述弹射底座组件向下弹射。The ejection base trigger buckle 151 of the ejection base assembly is installed on the button unlocking base 12 and can rise and fall synchronously with the button unlocking base 12. When the button 111 on the shell 11 passes through the button unlocking base The button unlocking through hole 121 on 12 is pressed tightly when the ejection base of the ejection base assembly triggers the buckle 151, and the ejection base of the ejection base assembly triggers the buckle 151 to deform radially inward and break away from the button unlocking base 12. At this time, under the elastic force of the ejection spring 14, the ejection base assembly is ejected downward.

所述弹射底座组件包括弹射底座15、发射器底座16、触发弹射弹簧18、引导针抓扣17和抓扣弹簧19,所述弹射底座触发扣位151设置在所述弹射底座15上,所述弹射弹簧14夹紧在所述按键解锁底座12、弹射底座15之间,所述发射器底座16安装在所述弹射底座15的内部,所述发射器底座16与所述弹射底座15为轴向上下升降活动配合,即发射器底座16,所述触发弹射弹簧18夹紧在所述弹射底座15、发射器底座16之间,所述引导针抓扣17安装在所述发射器底座16的内部,所述发射器底座16夹紧所述引导针抓扣17,所述抓扣弹簧19夹紧在所述引导针抓扣17、发射器底座16之间,所述引导针抓扣17上安装有引导针4。The ejection base assembly includes an ejection base 15, a transmitter base 16, a trigger ejection spring 18, a guide pin catch 17 and a catch spring 19, and the ejection base trigger button 151 is arranged on the ejection base 15. The ejection spring 14 is clamped between the button unlocking base 12 and the ejection base 15, the launcher base 16 is installed inside the ejection base 15, and the launcher base 16 and the ejection base 15 are axial Up and down movement cooperation, that is, the launcher base 16, the trigger ejection spring 18 is clamped between the ejection base 15 and the launcher base 16, and the guide pin catch 17 is installed inside the launcher base 16 , the launcher base 16 clamps the guide needle catch 17, the catch spring 19 is clamped between the guide needle catch 17 and the transmitter base 16, and the guide needle catch 17 is installed There is guide pin 4.

在所述弹射底座组件的弹射过程中,当所述弹射底座组件的弹射底座触发扣位151被触发后,在所述弹射弹簧14的弹力使用下,所述弹射底座15带动所述发射器底座16下压,所述发射器底座16带动所述引导针抓扣17下压,所述引导针抓扣17带动所述引导针4插入人体,所述发射器底座16冲击皮肤表面后向上移动,所述触发弹射弹簧18收缩,当所述发射器底座16上移到位后,松开对所述引导针抓扣17的夹紧,所述引导针抓扣17在所述抓扣弹簧19的弹力作用下向上弹射,将所述引导针4从人体中抽出。During the ejection process of the ejection base assembly, when the ejection base trigger button 151 of the ejection base assembly is triggered, under the elastic force of the ejection spring 14, the ejection base 15 drives the launcher base 16 is pressed down, the transmitter base 16 drives the guide pin catch 17 to press down, the guide pin grab 17 drives the guide needle 4 to insert into the human body, and the transmitter base 16 moves upward after impacting the skin surface, The trigger ejection spring 18 shrinks, and when the launcher base 16 is moved up to the position, the clamping of the guide needle catch 17 is released, and the guide needle catch 17 is under the elastic force of the catch spring 19. Under the action, it is ejected upwards, and the guide needle 4 is pulled out from the human body.

所述外壳11、按键解锁底座12、弹射底座15、发射器底座16、引导针抓扣17、按键解锁弹簧13、弹射弹簧14、触发弹射弹簧18和抓扣弹簧19同轴安装。Described casing 11, button unlocking base 12, ejection base 15, launcher base 16, guide pin grabbing buckle 17, button unlocking spring 13, ejection spring 14, trigger ejection spring 18 and grabbing buckle spring 19 are coaxially installed.

当所述助针器处于初始状态时,按键解锁弹簧13、弹射弹簧14、触发弹射弹簧18和抓扣弹簧19均处于压缩状态,使用时用于触发结构解放,实现弹簧弹射。When the needle aid is in the initial state, the button unlocking spring 13, the ejection spring 14, the trigger ejection spring 18 and the catch spring 19 are all in a compressed state, which are used to release the trigger structure and realize spring ejection during use.

所述发射器底座16上设有发射器底座扣位161,所述发射器底座扣位161至少有两个并绕所述引导针抓扣17的周向间隔设置,所有的所述发射器底座扣位161共同向内夹紧所述引导针抓扣17。The transmitter base 16 is provided with a transmitter base buckle 161, and there are at least two transmitter base buckles 161 arranged at intervals around the circumference of the guide pin catch 17, all of the transmitter bases The buckles 161 jointly clamp the introducer needle catch 17 inwardly.

所述弹射底座15上设有防张开限位结构152,所述防张开限位结构152紧贴在所述发射器底座扣位161的外侧面,在初始状态下,防止所述发射器底座扣位161向外张开,当所述发射器底座16上升时,与所述防张开限位结构152相错开,所述引导针抓扣17在所述抓扣弹簧19的弹力作用下向上强行顶开所述发射器底座扣位161,所述发射器底座扣位161变形张开,所述引导针抓扣17脱离所述发射器底座扣位161的夹紧约束。The ejection base 15 is provided with an anti-expansion limiting structure 152, and the anti-expansion limiting structure 152 is closely attached to the outer surface of the transmitter base buckle 161, and in the initial state, prevents the transmitter from The base buckle 161 is outwardly opened, and when the transmitter base 16 rises, it is staggered with the anti-opening limit structure 152, and the guide pin catch 17 is under the elastic force of the catch spring 19 The transmitter base buckle 161 is forcibly pushed upwards, the transmitter base buckle 161 is deformed and opened, and the guide pin catch 17 breaks away from the clamping constraint of the transmitter base buckle 161 .

所述发射器底座扣位161为垂直于水平面的悬臂梁,所述按键解锁底座12上设有凸起骨位122,当所述引导针抓扣17脱离所述发射器底座扣位161的夹紧约束而向上弹射时,所述引导针抓扣17撞击在所述凸起骨位122上,使得引导针抓扣17发生翻转倾斜而难以重新进入发射器底座扣位161之内,可以避免在使用后引导针4又回到初始位置而发生伤人的风险;当助针器使用完毕后,可以避免助针器被误接触到,引发医疗废弃物伤人或者交叉感染的隐患。The transmitter base buckle 161 is a cantilever beam perpendicular to the horizontal plane, and the button unlocking base 12 is provided with a raised bone position 122. When it is ejected upward under tight restraint, the guide needle catch 17 hits the raised bone 122, so that the guide needle catch 17 is turned over and tilted, making it difficult to re-enter the transmitter base buckle 161, which can avoid After use, the guide needle 4 returns to the initial position to cause the risk of injury; when the needle aid is used up, it can prevent the needle aid from being accidentally touched, causing medical waste to injure people or cause cross-infection.

所述助针器还包括发射器组件2和传感器组件3,所述传感器组件3安装在所述发射器组件2上,所述发射器组件2安装在所述发射器底座16上,所述传感器组件3包括检测电极31,所述引导针4上设有引导所述检测电极31插入人体的凹槽41,所述检测电极31设置在所述引导针4的凹槽41之内,当引导针4插入人体时,检测电极31同步进入人体,当引导针4拔出时,检测电极3留在人体内进行动态血糖检测。The needle aid also includes a transmitter assembly 2 and a sensor assembly 3, the sensor assembly 3 is installed on the transmitter assembly 2, the transmitter assembly 2 is installed on the transmitter base 16, the sensor The assembly 3 includes a detection electrode 31, the guide needle 4 is provided with a groove 41 to guide the detection electrode 31 to be inserted into the human body, the detection electrode 31 is arranged in the groove 41 of the guide needle 4, when the guide needle 4 When inserted into the human body, the detection electrode 31 enters the human body synchronously, and when the guide needle 4 is pulled out, the detection electrode 3 stays in the human body for dynamic blood glucose detection.

所述发射器组件2的底部设有无纺布贴,可用于紧贴人体皮肤,完成佩戴。The bottom of the transmitter assembly 2 is provided with a non-woven fabric patch, which can be used to cling to human skin and complete wearing.

引导针4可以护着检测电极31注入人体皮肤下4-5毫米深度。The guide needle 4 can protect the detection electrode 31 and inject it into a depth of 4-5 mm under the human skin.

所述外壳11上设有第一到位手感提示骨位113,所述按键解锁底座12上设有第二到位手感提示骨位123,当所述按键解锁底座12上升到位时,第二到位手感提示骨位123跟随上升,所述第一到位手感提示骨位113的末端与所述第二到位手感提示骨位123的末端发生碰撞,可以产生到位手感提示,并且,可以产生响声,用于提示用户已下压到位,可以触发按键111。The shell 11 is provided with a first in-place hand feeling prompting bone position 113, and the button unlocking base 12 is provided with a second in-place hand feeling prompting bone position 123, when the key unlocking base 12 rises in place, the second in-place hand feeling prompts The bone position 123 rises accordingly, and the end of the first in-position touch prompting bone position 113 collides with the end of the second in-position touch prompting bone position 123, which can generate a touch prompt in place, and can generate a sound to remind the user The button 111 can be triggered after being pressed down in place.

第一到位手感提示骨位113采用悬臂梁结构,呈弹片状。The first feeling in place indicates that the bone position 113 adopts a cantilever beam structure and is in the shape of a shrapnel.

所述外壳11与所述按键解锁底座12均采用塑胶壳体,可以提高到位手感提示的效果,并增强产生的响声。Both the shell 11 and the button unlocking base 12 are made of plastic shells, which can improve the effect of prompting in place and enhance the generated sound.

所述助针器还包括密封底盖组件5,所述密封底盖组件5与所述外壳11密封连接,可以在不使用时进行密封保护。The needle aid also includes a sealed bottom cover assembly 5, which is sealingly connected with the housing 11 and can be sealed and protected when not in use.

本发明提供的一种助针器,由于产品为一次性产品,为了防止误触发,提出了按键解锁结构,在不使用时,按键不可按下,使用产品时才可按下,同时提出了手感提示结构,按压时有手感发出后表示已到位,按键可按下,并且,具有结构手感提示音,当引导针抽出后,提出了碰撞结构,强行将引导针倾斜,防止使用后,引导针误扎人体。The needle assist device provided by the present invention, because the product is a disposable product, in order to prevent false triggering, a button unlocking structure is proposed. Prompt structure, when pressed, there will be a tactile feel to indicate that it is in place, the button can be pressed, and there is a structural tactile prompt sound. When the guide needle is pulled out, a collision structure is proposed to forcibly tilt the guide needle to prevent the guide needle from being misused after use. Prick the human body.

本发明提供的一种助针器,可以应用于持续代谢参数监测装置。The needle aid provided by the invention can be applied to a continuous metabolic parameter monitoring device.

本发明提供的一种助针器,具有以下主要功效:A needle aid provided by the present invention has the following main functions:

1、旋开即用,可将密封底盖组件旋开,即可使用;1. Unscrew and use, you can unscrew the sealed bottom cover assembly and use it;

2、下压解锁,可通过下压解锁避免误触发;2. Press down to unlock, you can avoid false triggering by pressing down to unlock;

3、解锁声音提示,新增到位手感提示的效果,并增强产生的响声;3. Unlock the sound prompt, add the effect of the in-place hand feeling prompt, and enhance the generated sound;

4、按键触发,只有在下压解锁后才能进行按键触发;4. Button triggering, the button triggering can only be performed after pressing down to unlock;

5、导引针自防护,可防止引导针误扎人体。5. The self-protection of the guide needle can prevent the guide needle from accidentally pricking the human body.

以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明,不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本发明的保护范围。The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (10)

3. The needle aid according to claim 1, wherein: the ejector base component comprises an ejector base, a trigger ejector spring, a guide needle grabbing buckle and a grabbing buckle spring, wherein the ejector base triggering buckle position is arranged on the ejector base, the ejector spring is clamped between the key unlocking base and the ejector base, the ejector base is installed in the ejector base, the ejector base and the ejector base are in movable fit in an axial up-down manner, the trigger ejector spring is clamped between the ejector base and the ejector base, the guide needle grabbing buckle is installed in the ejector base, the ejector base is clamped with the guide needle grabbing buckle, the grabbing buckle spring is clamped between the guide needle grabbing buckle and the ejector base, and the guide needle grabbing buckle is provided with the guide needle.
6. A needle aid as claimed in claim 3, wherein: the ejector comprises an ejector base, and is characterized in that the ejector base is provided with ejector base buckling positions, the ejector base buckling positions are at least two and circumferentially arranged around the guide needle grabbing buckle, all the ejector base buckling positions are jointly clamped inwards to the guide needle grabbing buckle, the ejector base is provided with an anti-opening limiting structure, the anti-opening limiting structure is tightly attached to the outer side face of the ejector base buckling positions, in an initial state, the ejector base buckling positions are prevented from being outwards opened, when the ejector base ascends, the ejector base buckling positions are staggered with the anti-opening limiting structure, the guide needle grabbing buckle upwards pushes the ejector base buckling positions under the action of the elastic force of the grabbing buckle spring, the ejector base buckling positions deform to be opened, and the guide needle grabbing buckle is separated from the clamping constraint of the ejector base buckling positions.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
WO2025107142A1 (en)*2023-11-212025-05-30深圳希沃康医疗科技有限公司Applicator for inserting in-vivo analyte sensor
WO2025162095A1 (en)*2024-02-022025-08-07深圳硅基传感科技有限公司Sensor application device

Citations (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN101505816A (en)*2006-08-242009-08-12霍夫曼-拉罗奇有限公司Insertion tool for an insertion head, in particular for an infusion device
EP3495008A1 (en)*2017-12-062019-06-12SanofiWind-up servo-actuator and drug delivery device
CN110248686A (en)*2016-09-272019-09-17赛诺菲-安万特德国有限公司 drug delivery device
CN110720930A (en)*2019-11-052020-01-24微泰医疗器械(杭州)有限公司Needle assist device and medical system comprising same
US20200178899A1 (en)*2017-06-022020-06-11I-Sens, Inc.Sensor applicator assembly for continuous glucose monitoring system
CN219921036U (en)*2023-05-312023-10-31希捷姆医疗技术(深圳)有限公司Needle aid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN101505816A (en)*2006-08-242009-08-12霍夫曼-拉罗奇有限公司Insertion tool for an insertion head, in particular for an infusion device
CN110248686A (en)*2016-09-272019-09-17赛诺菲-安万特德国有限公司 drug delivery device
US20200178899A1 (en)*2017-06-022020-06-11I-Sens, Inc.Sensor applicator assembly for continuous glucose monitoring system
EP3495008A1 (en)*2017-12-062019-06-12SanofiWind-up servo-actuator and drug delivery device
CN110720930A (en)*2019-11-052020-01-24微泰医疗器械(杭州)有限公司Needle assist device and medical system comprising same
CN219921036U (en)*2023-05-312023-10-31希捷姆医疗技术(深圳)有限公司Needle aid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
WO2025107142A1 (en)*2023-11-212025-05-30深圳希沃康医疗科技有限公司Applicator for inserting in-vivo analyte sensor
WO2025162095A1 (en)*2024-02-022025-08-07深圳硅基传感科技有限公司Sensor application device

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