TW201206515A - Fluid dispensing device - Google Patents

Fluid dispensing device Download PDF

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Publication number
TW201206515A
TW201206515A TW99126414A TW99126414A TW201206515A TW 201206515 A TW201206515 A TW 201206515A TW 99126414 A TW99126414 A TW 99126414A TW 99126414 A TW99126414 A TW 99126414A TW 201206515 A TW201206515 A TW 201206515A
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Taiwan
Prior art keywords
container
piston
bottle
liquid
outer circumference
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TW99126414A
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Chinese (zh)
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TWI403342B (en
Inventor
Hong-Jen Wang
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Wiswong Technology Corp
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Priority to TW99126414A priority Critical patent/TWI403342B/en
Publication of TW201206515A publication Critical patent/TW201206515A/en
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Publication of TWI403342B publication Critical patent/TWI403342B/en

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Abstract

A fluid dispensing device includes a pressurizing device coupled between a fluid bottle and a discharge tube for forcing the fluid to flow through the discharge tube without gravity, the pressurizing device includes a container having an inclined inner peripheral surface, and a piston slidably received in the container and having an outer peripheral portion for selectively engaging with the inclined inner peripheral surface of the container in order to pump the fluid into the discharge tube when the piston is moved toward the discharge tube with a coil, and for being selectively disengaged from the inner peripheral surface of the container when the piston is moved away from the discharge tube.

Description

201206515 六、發明說明: 【發明所屬之技術領域】 本發明係有關於一種點滴瓶,以及特別係有關於一種點滴瓶 自動推送裝置。 【先前技術】 按’目前市面上所習用的點滴瓶相當多,其大部份會包 含有一瓶子或容器架設或吊掛在一吊架上,並且必需設置在 高於使用者的高度,才會讓瓶子或容器裡面的液體流入到人 體裡面去,所以使用者在使用上相當不方便,其必需連同吊 掛架一起帶著才可到處走動。 於是本發明曾研發一馬達泵壓組件來將瓶子或容器裡面 的液體泵壓出去,使得瓶子或容器不需要架設或吊掛或設置 在高於使用者的高度即可將瓶子或容器裡面的液體泵送到人 體裡面去’所以使用者在使用上並不需要帶著吊掛架即可到 處走動,相當方便。 可是,目前的泵送馬達的轉速均相當高,所以其仍然無 法達到吾人所需的低轉速以及高扭力或系壓力的需求,而且 泵送馬達的製作成本相當高,不符合市場的需求。 有鑑於此,本發明人乃積極開發研究,期能發明—種可 以提供低轉速以及高扭力或泵壓力的點滴瓶自動推送裝置。 本發明的-個目的係在於提供—種關瓶自動推送襄 置其包3彳電磁泵廢組件來將瓶子裡面的液體系壓出 201206515 去,使得瓶子不需要架設或吊掛或設置在高於使帛者的高度 即可將瓶子裡面的液體泵送到人體裡面去,所以使用者在使 用上並不需要帶著吊掛架即可到處走動。 本發明的另外-個目的係在於提供—齡雜自動推送 裝置’其巾其具有-減化或簡單化的結構*便得該推送裝置 可以更方便製造以及組裝。 【發明内容】 根據本發明所提供的一種點滴瓶自動推送裝置,包括一 瓶子以供谷置樂物或液體,一輸送管,一栗壓裝置設置在瓶 子和輸送管之’餅鮮不需要架設解掛錢置在高於 使用者的高度即可將瓶子裡面的液體泵送到人體裡面去而不 需要運用到重力;其中該容器具有一個傾斜的内侧面,一活 塞係滑動地設置在谷器裡面,其外周緣可供嵌配容器的傾斜 内侧面,其中活塞的外周緣則可供觸接容器的傾斜的内侧面 以便可以泵送或迫使藥物或液體往該輸送管的方向流動而可 以將瓶子裡面的液體泵壓出去,而其中當活塞的外周緣脫離 該容器的傾斜的内側面時,其可在活塞的外周緣和容器的傾 斜的内側面之間形成一間隙,並使藥物或液體可以流經活塞 的外周緣和谷器的傾斜的内侧面之間的間隙而流入到容器的 靠插針的部位,以及一線圈安裝至容器,可供驅使活塞在容 器内往復地移動。 泵壓裝置包括至少一磁鐵設置在活塞裡面以便和線圈相 201206515 互作用纟可更包括至少一電池聯結至線圈。 【實施方式】 本發明係有關於-獅滴瓶自_送裝置,請參閱第一 圖所示’這種點滴瓶自動推送裝置(i)主要包括一容器或 瓶子(1Q)以供容置藥物或液體,-輸送管(2 0)-端 具有一插針(2!)可供聯結至瓶子(1〇),其另一端具 有:注射針(2 2 )可供穿人制者的表皮或真皮層,而可 夺藥物或液體’主入使用者的人體裡面去。一壓控閥(2 3) 設置在輸送管(2 Q )裡面或中間而可絲控制藥物或液體 左入使用者的人體裡面去的流速或流量等。在輸送管(2 〇 ) 裡面或中間或靠近插針(2丨)的部位處可更流量檢視 裝置(2 4),以供觀察藥物或液體注入使用者的人體裡面 去的情形。―空氣茂壓閥(2 5)可更設置在輸送管(2 〇 ) 裡面或中間或靠近注射針(2 2 )的部位處,以供排氣之用, 而可防止氣體被注入使用者的人體裡面去。 泵壓裝置(3 0)係設置在該瓶子(1〇)和該輸送 & ( 2 0)之間,以供將瓶子(丄〇 )裡面的液體泵壓出去, 使得瓶子(1〇)不需要架設或吊掛或設置在高於使用者的 网度即可將瓶子(1〇)裡面的液體泵送到人體裡去,所以 使用者在使用上並不需要帶著吊掛架即可到處走動。栗麼裝 置(3 0)包括一容器(31),其具一蓋子(3 2)設置 在一端或頂端(3 3)處,其設有一插針(3 4)可插入瓶 201206515 子(10)的頸部(11)而可接收來自瓶子(i〇)的藥 物或液體。谷器(31)的另一端(3 6)具有一彈性塞子 (3 5)以供密封容器(31)的另一端(3 6 )。插針(2 1)係可供插入彈性塞子(3 5)而使藥物或液體可從容器 (31)流入到輸送管(2 〇)裡面去。容器(31)内部 具有一容室(3 7 )’且其具有一傾斜的環形内侧面(3 8 )。201206515 VI. Description of the Invention: [Technical Field] The present invention relates to a drip bottle, and more particularly to a drip bottle automatic pushing device. [Prior Art] According to the 'currently there are quite a lot of drop bottles used in the market, most of them will contain a bottle or container erected or hung on a hanger, and must be set higher than the user's height. Let the liquid in the bottle or container flow into the human body, so the user is quite inconvenient to use, and it must be carried along with the hanger to move around. Thus, the present invention has developed a motor pumping assembly to pump the liquid in the bottle or container so that the bottle or container does not need to be erected or hung or placed at a height above the user to bring the liquid inside the bottle or container. The pump is sent to the inside of the human body. 'So the user does not need to carry the hanging rack to walk around, which is quite convenient. However, the current pumping motor has a relatively high rotational speed, so it still cannot meet the low rotational speed and high torque or system pressure required by us, and the pumping motor is relatively expensive to manufacture and does not meet the market demand. In view of this, the inventors have actively developed research and can invent a drip bottle automatic pushing device which can provide low rotation speed and high torque or pump pressure. The purpose of the present invention is to provide a bottle-opening automatic push-pull device to pack the 3D electromagnetic pump waste assembly to press the liquid system inside the bottle out of 201206515, so that the bottle does not need to be erected or hanged or set higher than The height of the person can pump the liquid inside the bottle to the inside of the human body, so the user does not need to carry the hanger to walk around. Another object of the present invention is to provide an automatic mixing device for ageing, which has a structure of reduced or simplified, so that the pushing device can be more easily manufactured and assembled. SUMMARY OF THE INVENTION According to the present invention, an automatic drip bottle feeding device includes a bottle for a music or liquid, a conveying pipe, and a chestnut pressing device disposed on the bottle and the conveying pipe. The liquid in the bottle can be pumped into the human body without being applied to the gravity without the money hanging above the user; wherein the container has a slanted inner side, and a piston system is slidably disposed in the valley Inside, the outer periphery is adapted to engage the inclined inner side of the container, wherein the outer periphery of the piston is adapted to contact the inclined inner side of the container so as to pump or force a drug or liquid to flow in the direction of the delivery tube The liquid in the bottle is pumped out, wherein when the outer circumference of the piston is disengaged from the inclined inner side of the container, it forms a gap between the outer circumference of the piston and the inclined inner side of the container, and allows the drug or liquid It may flow through a gap between the outer circumference of the piston and the inclined inner side surface of the bowl to flow into the pin of the container, and a coil is mounted to the container, It can be used to drive the piston to move back and forth within the container. The pumping device includes at least one magnet disposed within the piston for interaction with the coil phase 201206515, and further comprising at least one battery coupled to the coil. [Embodiment] The present invention relates to a lion drop bottle self-feeding device, please refer to the first figure. The automatic drop device (i) of the drip bottle mainly comprises a container or a bottle (1Q) for accommodating the drug. Or liquid, the delivery tube (20)-end has a pin (2!) for attachment to the bottle (1〇), and the other end has: an injection needle (2 2 ) for the wearer's epidermis or The dermis layer, and the drug or liquid can be taken into the user's body. A pressure control valve (2 3) is disposed in or between the delivery tubes (2 Q) to control the flow rate or flow rate of the drug or liquid left into the user's body. A flow rate inspection device (24) can be placed in or near the delivery tube (2 〇) or near the pin (2丨) for viewing the drug or liquid into the user's body. ―Air pressure pressure valve (25) can be placed in the middle or in the middle of the conveying pipe (2 〇) or near the injection needle (2 2 ) for exhausting, which can prevent gas from being injected into the user. Go inside the human body. A pumping device (30) is disposed between the bottle (1〇) and the transport & (20) for pumping the liquid in the bottle (丄〇) so that the bottle (1〇) does not The liquid in the bottle (1〇) needs to be erected or hung or set higher than the user's net degree, so that the user does not need to carry the hanging rack everywhere. Walk around. The device (30) includes a container (31) having a lid (32) disposed at one end or the top end (33), and is provided with a pin (34) for inserting the bottle 201206515 (10) The neck (11) can receive a drug or liquid from the bottle (i〇). The other end (36) of the trough (31) has a resilient plug (35) for sealing the other end (36) of the container (31). The pin (2 1) is adapted to insert a resilient plug (35) so that a drug or liquid can flow from the container (31) into the delivery tube (2). The interior of the container (31) has a chamber (37) and has a sloping annular inner side (38).

一活塞(4 〇 )係滑動地設置在容器(3丄)的容室(3 7)裡面’並且可以在容器(31)的容室(3 7)裡面上 下移動’其係由軟質或彈性㈣所製成,而其外周緣(4 i ) 可供觸接容器(3 1)的-麵斜的_面(3 8 ),而其 中該=器(31)的傾斜的内側面(3 8)係由容器(3丄) I端(3 3)或中間部位(3 9)處往中間部位(3 9) 或令器(31)的另一端(3 6)處推拔或傾斜,而呈斜錐 狀的。構該'舌塞(4 0)的外徑係大於該容器(31)的 傾斜的内側面(2 a、 _ 38)之位在其中間部位(3 9)或另-端 一&的机’而使得當該活塞(4 ◦)往該容器(3 1) 二、3 6 )或彈性塞子(3 5 )的方向移誠往遠離 ㈣其f 9的方向移動時’其可泵送或迫使㈣或液體往 輸送以2〇)的方向流動。 而當該活塞(4 0)往該容器( 或者是往遠離彈性 的端C33) 的方向移動時,二◦的方向移動或往蓋子(3 2) 、4 u)的外周緣(41)會脫離開該 201206515 •容器(31)的傾斜的内側面(3 8)而無法用來泵送或迫 使藥物或液體往輸送管(2 〇)的方向流動,此時,藥物或 液體可以流經活塞(4 〇)的外周緣(41)和容器(31) 的傾斜的内側面(3 8)之間的間隙而流入到容器(3工) 的靠另一端(3 Θ)或彈性塞子(3 5)的部位,以便該活 塞(4 0)在下次往容器(31)的另一端(3 6)或彈性 塞子(3 5)的方向移動或往遠離蓋子(3 2)的方向移動 # 時,其又可用來泵送或迫使藥物或液體往輸送管(2 〇)的 方向流動。在該活塞(4 〇)的内部可以設至一個或一個以 上的磁鐵(4 2)。 果壓襄置(3 0)更包括-驅動設備(5)可供用來驅 動活塞(4 Q)而使活塞(4 〇)可以藉著相對於容器(3 1)的移動或泵壓力量而自動地將藥物或液體注入使用者的 人體裡面去。驅動設備(5)包括一線圈(5 〇)安裝或架 瞻设在容器(31)的外侧周緣或中間部位(3 9)處特別 是設置在活塞(4 0 )的外側處而可供用來驅動活塞(4 〇 ) 相對於容器(31)上下移動,其可更包括一殼體(5工) 可*»又置在谷器(3 1) —側而可供容置一電路板(5 2 )以 及一或一個以上的電池(5 3)聯結至線圈(5 〇 )而可以 用來供應所需之電力或動力。其中該電路板(52)或線圈 、(5 0 )而可將活塞(4 〇 )的移動逮度保持在適當地速度, 並可以達到吾人所需的低轉速以及高扭力或縣力的需求 201206515 • · 者’並且可以用來驅動活塞(4 0)而使得該活塞(4 〇) 可以自動地將藥物或液體注入使用者的人體裡面去。 操作時,敬請參看第示’使財可以將線圈(5 〇)啟動而驅動活塞(4 0),使得當活塞(4 〇)被往彈 性塞子(3 5)的方向移動或往遠離蓋子(3 2)的方向移 動時,其可將藥物或液體經由注射針(2 2)而注入使用者 的人體裡面去。反之,當活塞(4 〇)往遠離彈性塞子(3 • 5 )的方向移動或往蓋子(3 2 )的方向移動時,該活塞(4 ◦)的外周、緣(4 1)會離開該容器(3丄)的傾斜的内侧 面(38)而可在活塞(40)的外周緣(41)和容器(3 1)的傾斜的内侧Φ(3 8)之間形成一間隙,並使藥物或 液體可以流經活塞(4 0)的外周緣(4工)和容器(3工) 的傾斜的_内侧面(3 8 )之間的間隙而流入到該容器(3 1)的靠另一端(3 6)或彈性塞子(3 5)的部位,以便 • 該活塞(40)在下次往容器(3工)的另一端(36)或 彈性塞子(3 5)的方向移動或往遠離蓋子(3 2)的方向 移動時’其又可用來栗送或迫使藥物或液體往輸送管(2 〇 ) 的方向流動。如此使得瓶子不需要架設或吊掛或設置在高於 使用者的咼度即可將瓶子裡面的液體泵送到人體裡面去,所 以使用者在使用上並不需要帶著吊掛架即可到處走動。 其中該線圈(5 0)可藉由例如開關等元件來控制,而 其亦可設有-例如中央控制單元或機構來控制藥物或液體之 201206515 ③人使帛者的人體裡面去崎度或流量姐人時卿,而此 等控制單元或機構和本案無關,所以在此並不資述,然而不 管有沒有設置該控鮮元錢構均關於本㈣之範嘴,而 應受到智慧財產權的保護。 另外必需注意的是,該驅動設備(5)僅係其中一種實 施的態樣’所以只要能夠利用隔空驅動方式驅使活塞(4 〇 ) 相對於容器(31 )移動,而可以自動地將藥物或液體注入 • 使用者的人體裡面去的其他驅動裝置或結構或設備亦均將屬 於本發明之齡,聽受翁慧財產獅保護。 【圖式簡單說明】 第圖係為-種點滴瓶自動推送震置的部份剖視圖。 【主要元件符號說明】 (1〇)航子(11)頌部(2 〇)輸送管 • ( 21 ’ 34)插針(22)注射針(23)壓控閥 (2 4 )流置檢視裝置(2 5 )空氣賴閥(3 〇 )泵壓褒置 (31)容器(32)蓋子(3 3)容器一端 (35)彈性塞子(36)容器另—端(37)容室 (38)容器的傾斜内面(39) (4〇)活塞(41)活塞的外周緣(42)磁鐵 (5)驅動設備(5◦)、_ ( 51)殼體 (5 2)電路板(5 3 )電池A piston (4 〇) is slidably disposed inside the chamber (37) of the container (3) and can be moved up and down inside the chamber (37) of the container (31). The system is soft or elastic (4) Made with the outer circumference (4 i ) available to the slanted _ face (38) of the container (31), and wherein the slanted inner side of the yoke (31) (38) It is inclined or inclined by the end (3 3) or the intermediate part (3 9) of the container (3丄) to the middle part (3 9) or the other end (3 6) of the actuator (31). Cone shaped. The outer diameter of the 'tongue plug (40) is larger than the inclined inner side surface (2a, _38) of the container (31) at the middle portion (39) or the other end-one & 'When the piston (4 ◦) moves in the direction of the container (3 1) 2, 3 6 or the elastic plug (3 5 ) away from (4) its direction of f 9 ' it can be pumped or forced (4) Or the liquid flows in the direction of 2输送). When the piston (40) moves toward the container (or away from the elastic end C33), the direction of the second jaw moves or the outer circumference (41) of the cover (3 2), 4 u) is released. Open the 201206515 • the sloping inner side of the container (31) (3 8) and cannot be used to pump or force the flow of drugs or liquids in the direction of the delivery tube (2 〇), at which point the drug or liquid can flow through the piston ( 4 〇) The gap between the outer circumference (41) and the inclined inner side surface (38) of the container (31) flows into the other end of the container (3 Θ) or the elastic plug (3 5) a portion so that the piston (40) moves next to the other end (36) of the container (31) or the elastic plug (35) or moves away from the cover (32), Can be used to pump or force a drug or liquid to flow in the direction of the delivery tube (2 〇). Inside the piston (4 〇), one or more magnets (42) can be provided. The pressure device (30) further includes a drive device (5) for driving the piston (4 Q) so that the piston (4 〇) can be automatically moved by the movement relative to the container (31) or the amount of pump pressure The medicine or liquid is injected into the user's body. The driving device (5) comprises a coil (5 〇) mounted or mounted on the outer circumference or intermediate portion (39) of the container (31), particularly at the outer side of the piston (40) for driving The piston (4 〇) moves up and down with respect to the container (31), and may further include a casing (5 work) which can be placed on the side of the grain device (3 1) to accommodate a circuit board (5 2 And one or more batteries (53) coupled to the coil (5 〇) can be used to supply the required power or power. The circuit board (52) or the coil, (50) can maintain the movement of the piston (4 〇) at an appropriate speed, and can achieve the low speed required by us and the high torque or county demand 201206515 • The person's can be used to drive the piston (40) so that the piston (4 〇) can automatically inject the drug or liquid into the user's body. When operating, please refer to the first indication 'Energy can start the coil (5 〇) to drive the piston (40), so that when the piston (4 〇) is moved toward the elastic plug (3 5) or away from the cover ( 3 2) When moving in the direction, it can inject the drug or liquid into the user's body via the injection needle (2 2). Conversely, when the piston (4 〇) moves away from the elastic plug (3 • 5) or moves toward the cover (3 2 ), the outer circumference of the piston (4 ◦) and the edge (4 1) will leave the container. (3丄) the inclined inner side surface (38) to form a gap between the outer circumference (41) of the piston (40) and the inclined inner side Φ (38) of the container (31), and to make a drug or The liquid can flow through the gap between the outer circumference of the piston (40) and the inclined inner side (38) of the container (3) to flow to the other end of the container (31) ( 3 6) or the part of the elastic plug (3 5), so that the piston (40) moves next to the other end (36) of the container (3 work) or the elastic plug (3 5) or away from the cover (3) 2) When moving in the direction of 'they can be used to pump or force the drug or liquid to flow in the direction of the delivery tube (2 〇). In this way, the bottle does not need to be erected or hung or set at a height higher than the user's degree to pump the liquid inside the bottle to the human body, so the user does not need to carry the hanger to go everywhere. Walk around. Wherein the coil (50) can be controlled by an element such as a switch, and it can also be provided with, for example, a central control unit or mechanism to control the drug or liquid of the 201206515 3 person to make the person's body inside the flow or flow Sister-in-law, and these control units or agencies have nothing to do with the case, so they are not mentioned here. However, regardless of whether or not the control element is set up, it should be protected by intellectual property rights. . In addition, it must be noted that the driving device (5) is only one of the implementation aspects' so that as long as the piston drive can be used to drive the piston (4 〇) relative to the container (31), the drug or the drug can be automatically Liquid Infusion • Other driving devices or structures or equipment that are inside the user's body will also belong to the age of the present invention and be protected by Weng Hui Property Lion. [Simple description of the drawing] The figure is a partial cross-sectional view of the automatic push-spinning of the drip bottle. [Main component symbol description] (1〇) aviator (11) 颂 (2 〇) conveying pipe • ( 21 ' 34) pin (22) injection needle (23) pressure control valve (2 4 ) flow inspection device (2 5) Air sluice valve (3 〇) pump pressure shovel (31) container (32) cover (3 3) container one end (35) elastic plug (36) container other end (37) chamber (38) container Inclined inner face (39) (4〇) piston (41) piston outer circumference (42) magnet (5) drive device (5◦), _ (51) case (5 2) circuit board (5 3) battery

Claims (1)

201206515 • · 七、申請專利範圍: 1 · 一種點滴瓶自動推送裝置包括·· 一瓶子(1 0 )以供容置藥物或液體,—輸送管(2⑸, 一泵壓裝置(3 0 )設置在鮮(i 〇 )和輸送管(2 之間以供將瓶子(1◦)裡面的液體栗壓出去, 使得該瓶子(1Q)不需要钱或吊掛或設置在高於使 用者的高騎可將瓶子(1 G )裡面财送到人體 裡去而不需要運_重力,所以侧者在使用上並不需 _ 要帶著吊掛架即可到處走動,_裝置(3〇)包括— 容器(31)設置在瓶子(i 〇)和輪送管(2 〇)之 間,容器(31)内部具有一傾斜的内側面(3 8), 一活塞(4 0)係滑動地設置在容器(31)裡面,其 外周緣(4 1)可供喪配容器(3 1)的傾斜内侧面(3 8),其中活塞(40)的外周緣(41)則可供觸接 容器(31)的傾斜的内側面(3 8)以便可以泵送或 迫使藥物或液體往該輸送管(2 〇)的方向流動而可以 將瓶子(1 0)裡面的液體泵壓出去,而其中當活塞(4 0) 的外周緣(41)脫離該容器(31)的傾斜的内 侧面(3 8)時,其可在活塞(4 〇)的外周緣(4工) 和容器(31)的傾斜的内侧面(3 8)之間形成一間 隙,並使藥物或液體可以流經活塞(4 〇 )的外周緣(4 1) 和容器(31)的傾斜的内侧面(3 8)之間的間 隙而流入到容器(31)的靠插針(21)的部位,以 及一線圈(5 0)安裝至容器(31),可供驅使活塞 10 201206515 (4 Ο)在容器(31)内往復地移動。 2·根據申請專利範圍第1項所述之點滴瓶自動推送裝置, 其中泵壓裝置(3 0)包括至少一磁鐵(4 2)設置在 活塞(4 0)裡面以便和線圈(5 0)相互作用。201206515 • · VII. Patent application scope: 1 · A drip bottle automatic pushing device includes a bottle (10) for accommodating drugs or liquids, a delivery tube (2(5), a pumping device (30) Fresh (i 〇) and the conveying pipe (between 2 and the liquid chestnut inside the bottle (1◦), so that the bottle (1Q) does not need money or hang or set higher than the user's high riding. Put the bottle (1 G) into the human body without the need to transport _ gravity, so the side is not required to use _ to walk around with a hanger, _ device (3 〇) includes - container (31) disposed between the bottle (i 〇) and the transfer tube (2 〇), the inside of the container (31) has a slanted inner side (38), and a piston (40) is slidably disposed in the container ( 31) inside, the outer circumference (4 1) of the inclined inner side (38) of the container (31), wherein the outer circumference (41) of the piston (40) is adapted to contact the container (31) a sloping inner side (38) so that it can pump or force a drug or liquid to flow in the direction of the delivery tube (2 〇) and can be placed in the bottle (10) The liquid pump is forced out, and when the outer circumference (41) of the piston (40) is disengaged from the inclined inner side (38) of the container (31), it can be on the outer circumference of the piston (4 〇) (4 And a gap formed between the inclined inner side surface (38) of the container (31), and allowing the drug or liquid to flow through the outer circumference (4 1) of the piston (4 )) and the inclination of the container (31) A gap between the inner side faces (38) flows into the portion of the container (31) that is adjacent to the pin (21), and a coil (50) is attached to the container (31) for driving the piston 10 201206515 (4 Ο The reciprocating movement is carried out in the container (31). The auto-pushing device according to the first aspect of the invention, wherein the pumping device (30) comprises at least one magnet (42) disposed on the piston (4) 0) inside to interact with the coil (50).
TW99126414A 2010-08-09 2010-08-09 Fluid dispensing device TWI403342B (en)

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TWI403342B TWI403342B (en) 2013-08-01

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209014A (en) * 1977-12-12 1980-06-24 Canadian Patents And Development Limited Dispensing device for medicaments
US7584872B2 (en) * 2004-11-10 2009-09-08 Samw Hong Jen Wang Fluid dispensing or feeding device

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