TWI322017B - Drive mechanisms for use in drug delivery devices,assembly and drug delivery device including the same,method of assembling and use of the drug delivery devices - Google Patents
Drive mechanisms for use in drug delivery devices,assembly and drug delivery device including the same,method of assembling and use of the drug delivery devices Download PDFInfo
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- TWI322017B TWI322017B TW093109829A TW93109829A TWI322017B TW I322017 B TWI322017 B TW I322017B TW 093109829 A TW093109829 A TW 093109829A TW 93109829 A TW93109829 A TW 93109829A TW I322017 B TWI322017 B TW I322017B
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- Prior art keywords
- sleeve
- drive
- housing
- drug delivery
- dose indicating
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Links
- 238000012377 drug delivery Methods 0.000 title claims description 29
- 230000007246 mechanism Effects 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 3
- 239000003814 drug Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 102000018997 Growth Hormone Human genes 0.000 claims description 3
- 108010051696 Growth Hormone Proteins 0.000 claims description 3
- 102000004877 Insulin Human genes 0.000 claims description 3
- 108090001061 Insulin Proteins 0.000 claims description 3
- 239000000122 growth hormone Substances 0.000 claims description 3
- 229940125396 insulin Drugs 0.000 claims description 3
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 3
- 229940127557 pharmaceutical product Drugs 0.000 claims description 3
- 229940127554 medical product Drugs 0.000 claims 2
- 230000002440 hepatic effect Effects 0.000 claims 1
- 150000003431 steroids Chemical class 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 229940079593 drug Drugs 0.000 description 8
- 229940126601 medicinal product Drugs 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000002079 cooperative effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000345998 Calamus manan Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 235000012950 rattan cane Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001164374 Calyx Species 0.000 description 1
- 206010036790 Productive cough Diseases 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229940025708 injectable product Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
- A61M5/31585—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod performed by axially moving actuator, e.g. an injection button
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
- A61M5/31551—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe including axial movement of dose setting member
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31566—Means improving security or handling thereof
- A61M5/31573—Accuracy improving means
- A61M5/31575—Accuracy improving means using scaling up or down transmissions, e.g. gearbox
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
發明所屬之技術領域置' 制找扭射器的驅動 投遞藥用產品。特定c夠促成從-多劑鐵 ^ <,本發明關於可由使用者設定劑量之 5藥物輸送裝置 先前技術此等無輸送裝置具有讓未•正·學繼狀(亦即患 進仃A常射的崎^這在罹患糖尿病的人當中越來越 K)吊見,自我治療讓這些人得以對其所罹患的糖尿病進行有效的 管理 15 20 25 、這些情況對於此_之藥物輸送裝置訂定了許多要求。該裝 2必須構:^堅固’但在料操縱方面要易於賴,讓操作者能 理,以及輸送所需藥物劑量。劑量設定必須是清楚且容易 =就糖尿病患者來說’許多使用者的生理狀態是虛弱的且可 能視力也已受損’這要求驅動機構必财低施配力及一易於讀 取的劑量設定顯示11。由於該裝置應是姆式而非可多次使用 型’該裝置應當要以低價生產且易於抛棄(最好是適合回收再 利用的)。為滿足上述要求,必顯組成該裝置之零件數量和 該裝置之材料種類數量保持最少。 使用者操作鶴物輸難置在醫學範•廣為人知β 世界專利WO 01/95959號揭示一種注射裝置,立用來從一荦 找射出岐藥劑劑量。該裝置包含—被雜在1、以螺紋搞接 於塞桿之螺帽與—注躲之間的齒輪傳動齒輪箱。該傳動 齒輪箱提供—等於劑量設定韻之第二節距對活塞桿之第一節 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐) 經濟部智慧財產局員工消費合作社印製 1322017 五、發明說明(2) 距之比率的傳動齒輪比β 出人意料地,頃發現依據本發明之驅動機構為小型驅 之設計提供—珍貴的技術性賊轉,其容許致動 冓 減速比有-大範圍(特別是高數值),更提供安全劑量 5施配的好處。此外,較少量的組件讓製造和組裝的費力種= 輕。再者’依據本發明之驅動機構具有容許直覺性容易地= 既定劑量進行校正而不會損失藥劑。 發明内容 10 依據本發明之一第一觀點’提出-種用於藥物輪送裝置之藤 動機構,其包含—周轉傳動齒輪箱,較絲說—餘藥物輸 送裝置之驅動機構包含: ' ^ 一殼體,其有一螺旋螺紋; 一劑量指示套筒,其以螺紋接合於該殼體且可相對於 15 該殼體旋轉; 一活塞桿’其有一非圓橫截面和一外螺旋螺紋; 一驅動套筒,其位在該殼體與該活塞桿之間,其以螺 紋接合於該活塞桿, 該驅動機構之特徵為其更包含一周轉傳動齒輪箱,特 20 疋s之為更包含一將該劑量指示套筒可釋地連接於該藤動 套筒的周轉傳動齒輪箱。 依據本發明藥物輸送裝置(drug delivery device) ’’ 一辭應解釋為一單劑量或多劑量、拋棄式或可多次使用型裝 置,其設計為用來施配一藥用產品之一選定劑量(較佳為多重 25選定劑量),此等藥用產品例如胰島素、生長激素、低分子量 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱)
1322017 A7 B7 五 '發明說明(3) 5 10 15 20 製 25合 二二物之類似物及/或衍生物等。該裝置可為任何 秘s如疋小型裝置或筆式裝置 機械式(村手m 私侧了為猎由一 (壁如》Μ” —^或電動驅動機構或是儲能驅動機構 電二構=1劑量選擇作用可為藉由-手動機構或 登如緖/、卜辦置可含有料相來監控生理特性 S t;等,再者,該裝置可包含-針頭或可為無 ϋ丰#之藥物輸送裝置"—辭應轉為_具有機械 式手動式劑量輸送和劑量選擇機構的抛棄型多劑量筆式裝 置:該裝置係設計為讓未受過正職學嶋的人(譬如患者^ 行’呈* |±注射。較佳來說,該藥物輸送裝置為注射器型裝 置。 依據本發明’'殼體(housing)"較佳應轉為任何外部 殼體( '主殼^、鬱、、、外殼")或内部 卞 内體)❶殼體可設計為使該藥物輸送裝置或該裝 置之任何機構能讓人安全、正確、骑適地操作。—般而言, ^。又汁為以限制對於污染物(譬如液體、灰塵、污物等)之暴 露程度的方式來罩住、固定、保護、導引、且八戈接合該藥物輸 迗裝置之任何内部組件(譬如驅動機構、藥匣、柱塞、活塞 柃)。整體而言,該殼體可為一元式物件或是一管狀或非管狀 的多部件組件。一般而言,外部殼體係用於罩住一可施配出多 份藥用產品劑量的藥匣。 依據本發明,'"接合(engaged)夕一辭應特定解釋為驅動 機構/藥物輪送裝置之二個或更多組件的互鎖狀態,例如一栓槽 或螺紋連接,較佳係指組件之螺旋螺紋的互鎖狀態螺紋接 人々、 、’ 本故張尺度適用中國國家標準(CNS)A4 規格(210x297公釐) 1322017 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(4) ~ —--- 依據本發明,、旋螺紋(helical thread)—辭較佳應 7釋為—位在藥物輸送裝置之—組件之内表面及/或外表面上的 元整或局部螺紋(例如一圓柱形螺旋肋件/溝槽),具有—設計 為容許經件間有連續自由旋轉及/或轴向運動的大致三角形或方 5形或圓角截面。視情況而定,該螺紋更可設計為防止某些組件 以一方向進行旋轉或軸向運動。 —' 依據本發明之v劑量指示套筒(dose dial Sleeve) 〃應解 釋為一大致圓形橫戴面的大致管狀組件,其較佳包含一較小直 徑之第一部分及一較大直徑之第二部分,最好該第一部分及該 10第一部分係由該劑量指示套筒之一徑向延伸環狀區域連接。在 一較佳實施例中,該劑量指示套筒第二部分之直徑同於該殼 體。在另一較佳實施例中,該劑量指示套筒係設計為用來指出 一可施配產品之一選定劑量。此可利用例如被印在劑量指示套 筒外表面上或是里程表或類似物上之記號、符號、數字等達 15成。在一更特定實施例中,該劑量指示套筒第二部分之内表面 具備呈被設計為與該周轉傳動齒輪箱接合之縱向延伸輪齒形式 的栓槽。在另一實施例中,該劑量指示套筒第二部分之外表面 具備一結構性表面當作一手指握把以協助劑量撥選。 依據本發明,'^驅動套筒(drive sleeve) ” 一辭應解釋為 20任何大致圓形橫戴面之大致管狀組件且其與活塞桿接合。較佳 來說’本發明之驅動套筒在一軸頸内承載該周轉傳動齒輪箱之 行星齒輪。在一較佳實施例中,該驅動套筒包含一位在嵌入件 圓柱形部分與活塞桿之間的較小直徑第一部分以及一延伸至劑 量指示套筒之向内指向凸緣以外的較大直徑第二部分。在另一 25較佳實施例中,驅動套筒之一徑向延伸環狀區域連接著驅動套 -6 - 、 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
1322017 A7 B7 五、發明說明(5) 10 15 經濟部智慧財產局員工消費合作社印製 20 25 筒之第一部分和第二部分。 依據本發明,%塞桿(pistGn r〇dK 穿過殼體/在殼體内運作 '設计 ^ Ύ叹冲為穿過該樂物輸送裝置/在該藥 物輸送裝置内進行平移轴向運動(較佳為從驅動套筒到活幻 :乂排放/施配-可注射產品的任何組件。該活塞桿可為撓性的 =可撓的。其可包含—簡單桿件、—導螺桿、—齒條與小齒 輪系統 堝輪祕、或_^本發明之活塞桿可為以熟習 此技藝者所知之任何適當材料製成。 依據本發明’可釋地連接(releasibly⑺騰伽幻"一 辭較佳應解釋為本發賴構錄置之二件係可逆地接在一 起,其谷許譬如藉由一離合器使其耦接和去耦。 依據本發明,、周轉傳動齒輪箱(epicycHc卿⑹)" -,辭應解釋為-種齒輪纽H中央太陽齒輪(A太陽齒 輪)和一或多個行星齒輪以及一環形齒輪組成。整體而言, 在此一周轉傳動齒輪箱内,行星齒輪繞著太陽齒輪行進,該太 陽齒輪的軸線是固定的。此外,此一周轉傳動齒輪箱内之環形 齒輪的軸線與太陽齒輪的固定軸線是同一個。依據本發明, 、環形齒輪(ring gear) β —辭可視需要涵蓋栓槽之一圓形排 列或類似物。較佳來說,依據本發明之周轉傳動齒輪箱應是用 來將轉矩從劑量指示套筒或劑量鈕送到驅動套筒或活塞桿。在 本發明之一特定實施例中,周轉傳動齒輪箱將劑量指示套筒可 釋地連接於驅動套筒,從而視需要將環形齒輪定位在劑量指示 套筒之第二端。必要時,周轉傳動齒輪箱被設計為在環形齒輪 與承載行星齒輪的組件(必要時是驅動套筒)之間賦予一徑向 速度減速比《在本發明之另一特殊實施例中,太陽齒輪係位在 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1322017 A7 五 、發明說明(6) 5 10 劑量包與驅動套筒之間。依據本發明第一端(first end) 踹。奘番々办 〜柯听评芍丞卻配端的ΐΐ —組件·部端應解釋為最接近該裝置之施依據本發明,、第二端(second end)"装置或裝置之一組件的末梢端應解釋為 最遠的末端。 辭應解釋為基部 端 一辭應解釋為末梢 離該裝置之施配端 15 配 本發繼―包含依據 總觀點提出-種包含依據本發明之驅動機構或 人^發明之—細觀點提出-種組㈣物輪送裝置之方法,其 包含提供域本㈣之—驅韻贼—總成的步驟。 本發明之-第五齡為使用—依據本發敗藥物輸送裝置施 樂用產品,較佳為施配—包含—由下列物組成之群中選出 之有效化合物的調劑配方(譬如溶液、懸浮物等):胰島素, 生長激素,低分子量肝燐脂,以上化合物之類似物 合物之衍生物。 及以上化 經濟部智慧財產局員工消費合作社印製 20 25 實施方式 以下不設限地就一較佳實施例並參照圖式較詳細地說明本發 明 首先參照圖1和2,圖令可見-依據本發明之藥物輸送裝 置。該裝置包含一内有一容納藥用產品之藥匣4的殼體2,用來 選擇或設定欲排出之藥用產品劑量的構件以及用來排出選定藥 8 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 五、 發明說明(7) 用產叩劑量的構件’體2的形狀大致賴柱似被—嵌入件6 ,體上分隔成兩個隔室,触人件詳見下文。藥g 4被定位在 ,2 H部分内’而制量設定構件及該絲排出選定 5藥用產品劑量的構件被定位在殼體2之一第二部分内。 5 帛® 4可藉由任何適當方式固^在殼體2第-部分内就定 位。-針頭單7C (圖中未示)可被固定於殼體2之一第一端。 藥^更包含-可移位活塞10。活塞10往藥g 4第一端推進會 導致藥用產品Μ由針頭單元娜藥g 4。可提供—帽蓋在該裝置 非使用期間蓋住針頭單元。 劃分咸體2之嵌入件6包含一從該圓柱形殼體徑向向内延伸 的腹板以界定-開口 8。一縱向延伸裙部12從該腹板之一外周 部刀伸出。在使用中’裙部12被以任何適當方式固定於殼體2 就定位。-大致圓柱形部分14從該腹板往裝置第二端延伸。一 活塞桿20延伸穿過嵌入件6之開口 8。 15 活塞桿20包含一在使用中適於驅動活塞1〇之一第二面的端 面22以及-往裝置第二端縱向地延伸之轴或大致圓柱形部分 24 ° 一大致圓枉形劑量指示套筒30包含一介於嵌入件6之大致 圓柱形部分與殼體2之間的較小直徑第一部分32以及一延伸至 2〇殼體2以外的較大直徑第二部分34。較佳來說,如同圖示實施 例’第二部分34的直徑同於殼體2 ’使得該敦置在非使用期間 會給人一滑順整體印象。劑量指示套筒30之第一部分32和第 二部分34係由劑量指示套筒30之一徑向延伸環狀部分邪連 25 劑量指示套筒30第一部分32之-内表面具備一向内指向凸 \ -9 - 本纸張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 五 '發明說明(8) 緣38。一有螺紋連接部4〇被提供在劑量指示套筒洲與嵌入件 6之間。在該圖示實施例中,一螺旋肋件42被提供在劑量指示 套筒30第一部分32之一内面上,介於劑量指示套筒3〇之一第 一端與向内指向凸緣38之間。在此實施例中,螺旋肋件42擱 5入在嵌入件6之一外表面上提供的匹配溝槽44内。 劑量指示套筒30第二部分34之-内表面具備呈縱向延伸輪 齒形式的栓槽46。劑量指示套筒30第二部分34之外表面較佳 具備一結構性表面以當作一手指握把。 一大致圓柱形驅動套筒50被配置在劑量指示套筒3〇内。驅 出動套筒50包含-介於喪入件6大致圓柱形部分14與活塞桿2〇 之間的較小直經第-部分52以及-延伸至劑量指示套筒3〇向 内指向凸緣38以外的較大直徑第二部分54。驅動套筒5〇之第 和第一部分52, 54係由驅動套筒50之一徑向延伸環狀區域56 連接。 15 驅動套筒50和劑量指示套筒30被驅動套筒5〇第一部分52 經濟部智慧財產局員工消貲合作社印製 上之扣接配合特徵部58固持為抗拒相對縱向位移,此等特徵部 將劑量指示套筒30之向内指向凸緣38定位在扣接配合特徵部 58與驅動套筒5〇的環狀區域56之間。應瞭解到劑量指示套筒 30與驅動套筒50之間仍可能發生相對旋轉。 20 一有螺紋連接部6〇被提供在驅動套筒50與活塞桿20之 間。在圖示實施例中,一螺旋肋件62被提供在羅動套筒5〇第 一部分52之一内面上。在此實施例中,螺旋肋件62擱在一沿 活塞桿20軸24之一外表面延伸的溝槽64内。 一大致圓柱形太陽齒輪70被定位在驅動套筒5〇之第二部分 25 54内。太陽齒輪70之内徑足以容許活塞桿2〇之軸24穿過。太 -10- \ 本纸張尺度適用中國國家標準(CNS)A4規格(210 X 297公2 ) 五、發明說明(9) 陽齒輪70之外表面被一徑向延伸&緣72劃分成兩個部分。检 槽74從太陽齒輪7〇之第一端延伸到徑向凸緣72。一第二徑向 凸緣76被配置在太陽齒輪7〇之第二端。第二徑向凸緣76 :一 第二表面上具備複數個周向延伸齒件78。 5 10 15 20 驅動套筒50之第二部分54在劑量指示套筒3()之第一部分 32内延伸且伸入劑量指示套筒3〇之第二部分%内。彈菁構件 80被配置在驅動套筒5〇環狀區域56與太陽齒輪7〇第一端之 間。驅動套筒50伸人劑量指示套筒3Q之第二部分%内的部分 ,載-行星齒輪82 »行星齒輪82被安裝為在一與驅動套筒5〇 旋轉。驅動套筒5〇之第二端亦具備一彈晉特徵 部66,彈簧特徵部66之一自由端有一向外指向齒件68。 驅套筒50上之-模塑離合器特徵部在驅動套筒5〇與劑量 ,套筒30之間運作。該離合器係形成在彈菁特徵部66的外 m量指示套筒34上的栓槽46之間。在該裝置未被使用 継時’麵延伸⑽72職68嗎在定位 套接合’從而將驅動套筒5Q鎖定於旋轉中的劑量指示 在施配過財,凸緣72之軸向位移使_合器脫離, 從而谷許驅動套筒50相對於劑量指示套筒3〇旋轉。 行星齒輪82沿-外表面具備縱向延伸的輪齒。 一大致圓柱形劑雜9G有—轴92及_在轴 用延1凸緣94。劑侧0之轴92被配置在活塞 絲桿2G進躲向娜料 鈕9。栓槽接合(spUnin_^^ ^求。一有螺紋部分98被提供為沿著軸92之至少-部 I且一第二徑向凸緣96被配置在有螺纹部分%與第—凸緣 -11- 25 1322017 A7 五、發明說明(10) 94之間 5 10 15 經濟部智慧財產局員工消費合作社印製 20 25 第劑董鈕凸緣94之-第一面及第二太陽齒 ^面具騎徵部,鱗特徵部姐配在—起量缘76 ^ 太陽齒輪了_定為抗拒__。 和 太_==提Γ在有螺紋部分98上介於劑量指示紐90與 e螺帽100由栓槽耦接於太陽齒輪70。以下說 明此裝置的運作。為設定—欲輸送之期望缝 動 «指示,30之第二部分34。在起始位置(圖2或== =不套同3G、驅動套筒5G及太陽齒輪7()由彈簧特徵部66麵 起且隨劑量才曰示套筒3q旋轉而一起轉動。在離合器構件 接,的狀態下,驅動套筒5〇和劑量指示套筒3〇被輕接在一起 且行星齒輪82無法轉動。此隨後將太陽齒輪70叙接至劑量指 示套筒30 *驅動套筒50。太陽齒輪7〇上之一肩部將驅動套筒 離合器構件鎖定於黯指示套筒30。彈f構件80將太陽齒輪 70推入一位置,在此位置驅動套筒50之向外指向齒件68被鎖 定為隨劑量指示套筒30之栓槽46轉動。 劑量鈕90與太陽輪70之間的相對旋轉運動導致螺帽1〇〇沿 劑量紐轴92之有螺紋部分98推進。當螺帽1(){)到達有螺紋部 分98末端(如圖5所示),阻止使用者轉動劑量鈕卯,亦即阻 止使用者撥選更多的劑量。 嵌入件6與劑量指示套筒30之間的有螺紋連接部4〇的導程 同於活塞桿20與驅動套筒50間之有螺紋連接部60的導程。此 意味著在劑量指示套筒30轉動時,活塞桿20與藥匣活塞1〇之 第二面保持接觸。 為施配一選定劑量,一使用者壓下劑量鈕9〇 (圖3或圖 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公爱) 訂 丄以2017 A7 、發明說明(11 10 15 經濟部智慧財產局員工消費合作社印黎 20 25 5)。劑量紐90往裝置第-端的移位將劑量㈣ 輪賤得太陽齒輪7G鎖定為咖量㈣陽齒輪7〇 的縱向運鱗致彈簧構件80被壓縮,定驅動套筒5q盘劑量 赫套筒30間之離合器構件的太陽齒輪7〇肩部被脫離從而 谷許驅動套筒50相對於劑量指示套筒3〇旋轉。然後行星齒輪 82在太陽齒輪7〇與劑量指示套筒3〇之間產生一齒輪比。 更進一步壓下劑量钮90會導致一轴向負荷被加諸於太陽齒 輪70。在此㈣貞荷個下,劑量指示套筒3Q抵住嵌人件6之 螺紋往第-端_。太陽錄7G藉由周向齒?8歡於劑量紐 且,此導致驅動套筒5〇因周轉傳動窗輪箱的作用而以一不同於 劑$指不套筒3G的角速度雜。驅動套筒5()的轉導致活塞 =〇藉由驅動套筒50與活塞桿2〇之間的螺紋接合而往第^_端 圖式簡單說明 圖1為—依據本發明之藥物輸送裝置之組件的分解圖; 圖2為一依據本發明處於一第一未用位置之藥物輸送 側剖面圖; 一圖3為一處於已選定一第一劑量且剛開始進行施配動作時之 一第二位置之圖1藥物輸送裝置的側剖面圖; 圖4為一處於第一選定劑量施配後之一第三位置之圖丨 輸送裝置的側剖面圖: 、 —圖5為一處於剛開始進行施配動作時對應於最大最終劑量設 疋之—第四位置之圖1藥物輸送裝置的側剖面圖;且 圖6為處於已施配出最終劑量時壽命終結位置之圖1藥物 輸送裝置的側剖面圖。 、 本紙張尺度適財國國吻陶Μ規格⑽x 297公爱) 1322017 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(l2) 圖式之元件代號說明: 代表符號 名稱 2 殼體 4 藥匣 6 嵌入件 8 開口 10 活塞 12 裙部 14 大致圓柱形部分 20 活塞桿 22 活塞桿端面 24 活塞桿軸 30 劑量指示套筒 32 劑量指示套筒第一部分 34 劑量指示套筒第二部分 36 劑量指示套筒徑向延伸環狀區域 38 凸緣 40 有螺紋連接部 42 螺旋肋件 44 匹配溝槽 46 栓槽 50 驅動套筒 52 驅動套筒第一部分 · 54 驅動套筒第二部分 56 驅動套筒徑向延伸環狀區域 58 扣接配合特徵部 60 有螺紋連接部 62 螺旋肋件 64 溝槽 66 彈簧特徵部 68 向外指向齒件 70 太陽齒輪 72 徑向凸緣 74 栓槽 -14- 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 1322017 A7 B7 五、發明說明(l3 76 第二徑向凸緣 78 周向延伸齒件 80 彈簧構件 82 行星齒輪 90 劑量紐 92 軸 94 第一凸緣 96 第二徑向凸緣 98 有螺紋部分 100 螺帽 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
Claims (1)
- 1322017 六、申請專利範圍 1. 一種用於藥物輸送裝置之驅動機構,包含: 一周轉傳動齒輪箱; 一殼體,具有一螺旋螺紋; 一活塞桿,具有一非圓橫截面和一外螺旋螺紋; 一劑量指示套筒,螺接於該殼體且可相對於該殼體 旋轉;以及 一驅動套筒,位在該殼體與該活塞桿之間,該驅動 套筒螺接於該活塞桿; 其中該驅動套筒與該劑量指示套筒藉由該周轉傳動 齒輪箱耦接。 2. 如申請專利範圍第1項之驅動機構,其中該劑量指示 套筒藉由該周轉傳動齒輪箱可釋放地連接於該驅動套 筒。 3. 如申請專利範圍第2項之驅動機構,其中該驅動套筒 配置為在施配期間相對於該劑量指示套筒旋轉。 4. 如申請專利範圍第2項之驅動機構,其中該驅動套筒 配置為在劑量設定期間鎖定至該劑量指示套筒。 經濟部智慧財產局員工消費合作社印製 5. —種用於含有驅動機構之藥物輸送裝置的總成,其中該驅 動機構包含: 一周轉傳動齒輪箱; 一殼體,具有一螺旋螺紋; 一活塞桿,具有一非圓橫截面和一外螺旋螺紋; 一劑量指示套筒,螺接於該殼體且可相對於該殼體 旋轉;以及 -16 - 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 1322017 A8 B8 C8 D8 六、申請專利範圍 一驅動套筒,位在該殼體與該活塞桿之間,該驅動 套筒螺接於該活塞桿; 其中該驅動套筒與該劑量指示套筒藉由該周轉傳動 齒輪箱輕接。 6. —種含有驅動機構的藥物輸送裝置,包含: 一周轉傳動齒輪箱; 一殼體,具有一螺旋螺紋; 一活塞桿,具有一非圓橫截面和一外螺旋螺紋; 一劑量指示套筒,螺接於該殼體且可相對於該殼體 旋轉;以及 一驅動套筒,位在該殼體與該活塞桿之間,該驅動 套筒螺接於該活塞桿; 其中該驅動套筒與該劑量指示套筒藉由該周轉傳動 齒輪箱耦接。 7. 如申請專利範圍第6項之藥物輸送裝置,其中該劑量 指示套筒藉由該周轉傳動齒輪箱可釋放地連接於該驅 動套筒。 經濟部智慧財產局員工消費合作社印製 8. 如申請專利範圍第7項之藥物輸送裝置,其中該驅動 套筒配置為在施配期間相對於該劑量指示套筒旋轉。 9. 如申請專利範圍第7項之藥物輸送裝置,其中該驅動 套筒配置為在劑量設定期間鎖定至該劑量指示套筒。 10. —種組裝藥物輸送裝置之方法,包含: 提供一殼體,該殼體包括一第一部分與一第二部 -17 - 本纸張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1322017 A8 B8 C8 D8 六、申請專利範圍 分,該第一部分配置為容納含有欲注射之藥用產品之 一藥匣; 提供一驅動機構,該驅動機構包括位於該殼體之該 第二部分内之一周轉傳動齒輪箱;以及 提供一劑量指示套筒,配置為驅動地接合於該周轉 傳動齒輪箱。 11. 一種包含驅動機構之藥物輸送裝置之用途,該驅動機構包 含: 一周轉傳動齒輪箱; 一殼體,具有一螺旋螺紋; 一活塞桿,具有一非圓橫截面和一外螺旋螺紋; 一劑量指示套筒,螺接於該殼體且可相對於該殼體 旋轉;以及 一驅動套筒,位在該殼體與該活塞桿之間,該驅動 套筒螺接於該活塞桿; 其中該驅動套筒與該劑量指示套筒藉由該周轉傳動 齒輪箱耦接; 經濟部智慧財產局員工消費合作社印製 該藥物輸送裝置適於施配一藥用產品,該藥用產品 包含一由下列物組成之群中選出之有效化合物:胰島 素,生長激素,低分子量肝燐脂,以上化合物之類似 物,及以上化合物之衍生物。 -18 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
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-
2003
- 2003-04-10 GB GBGB0308267.4A patent/GB0308267D0/en not_active Ceased
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2004
- 2004-04-07 AR ARP040101203A patent/AR043842A1/es active IP Right Grant
- 2004-04-08 AU AU2004228940A patent/AU2004228940B2/en not_active Ceased
- 2004-04-08 MX MXPA05010623A patent/MXPA05010623A/es active IP Right Grant
- 2004-04-08 US US10/820,047 patent/US7918832B2/en not_active Expired - Fee Related
- 2004-04-08 CA CA2521634A patent/CA2521634C/en not_active Expired - Fee Related
- 2004-04-08 EP EP04726460A patent/EP1615686A1/en not_active Withdrawn
- 2004-04-08 JP JP2006505074A patent/JP4847858B2/ja not_active Expired - Fee Related
- 2004-04-08 WO PCT/EP2004/003782 patent/WO2004089450A1/en not_active Ceased
- 2004-04-09 TW TW093109829A patent/TWI322017B/zh not_active IP Right Cessation
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10117998B2 (en) | 2013-03-11 | 2018-11-06 | Sanofi-Aventis Deutschland Gmbh | Assembly for a drug delivery device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050004529A1 (en) | 2005-01-06 |
| MXPA05010623A (es) | 2005-12-12 |
| EP1615686A1 (en) | 2006-01-18 |
| IL171247A (en) | 2012-08-30 |
| TW200507898A (en) | 2005-03-01 |
| GB0308267D0 (en) | 2003-05-14 |
| US7918832B2 (en) | 2011-04-05 |
| AU2004228940A1 (en) | 2004-10-21 |
| CA2521634C (en) | 2011-11-22 |
| WO2004089450A1 (en) | 2004-10-21 |
| JP4847858B2 (ja) | 2011-12-28 |
| AU2004228940B2 (en) | 2010-09-30 |
| CA2521634A1 (en) | 2004-10-21 |
| JP2006522630A (ja) | 2006-10-05 |
| AR043842A1 (es) | 2005-08-17 |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |