TWI341739B - Improvements in and relating to a pen-type injector - Google Patents
Improvements in and relating to a pen-type injector Download PDFInfo
- Publication number
- TWI341739B TWI341739B TW093105525A TW93105525A TWI341739B TW I341739 B TWI341739 B TW I341739B TW 093105525 A TW093105525 A TW 093105525A TW 93105525 A TW93105525 A TW 93105525A TW I341739 B TWI341739 B TW I341739B
- Authority
- TW
- Taiwan
- Prior art keywords
- sleeve
- dose
- insert
- housing
- cylindrical portion
- Prior art date
Links
- 230000006872 improvement Effects 0.000 title description 2
- 229940126601 medicinal product Drugs 0.000 claims abstract description 10
- 229940090048 pen injector Drugs 0.000 claims description 24
- 230000002079 cooperative effect Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 240000000560 Citrus x paradisi Species 0.000 claims 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 238000012377 drug delivery Methods 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 11
- 229940079593 drug Drugs 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000825 pharmaceutical preparation Substances 0.000 description 7
- 229940127557 pharmaceutical product Drugs 0.000 description 7
- 239000011324 bead Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 206010011469 Crying Diseases 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009941 weaving 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
-
- 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
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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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M5/2422—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
-
- 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
- A61M5/31525—Dosing
- A61M5/31528—Dosing by means of rotational movements, e.g. screw-thread mechanisms
-
- 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
-
- 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
- A61M5/31—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
-
- 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
- A61M5/3159—Dose expelling manners
- A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/581—Means for facilitating use, e.g. by people with impaired vision by audible feedback
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/582—Means for facilitating use, e.g. by people with impaired vision by tactile feedback
-
- 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
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
-
- 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
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- 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
- A61M5/31525—Dosing
- A61M5/31526—Dosing by means of stepwise axial movements, e.g. ratchet mechanisms or detents
-
- 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
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
- A61M5/31541—Means preventing setting of a dose beyond the amount remaining in the cartridge
-
- 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
- A61M5/3156—Mechanically operated dose setting member using volume steps only adjustable in discrete intervals, i.e. individually distinct intervals
-
- 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
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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Coating Apparatus (AREA)
- Pens And Brushes (AREA)
Description
1341739 A7 B7
發明所屬之技術領域 本發明關於筆式注射H,亦即用來以注射方式從_多劑量藥 S投遞藥用產品之類型的筆式注射器。特定言之,本發明關於 可由使用者設定劑量之此等注射器。 5 先前技術 此等注射ϋ具有讓未受過正規醫學訓練的人進行經常性注射 的用途。每在罹患糖尿病的人當中越來越常見自我治療讓這 些人得以對其所罹患的糖尿病進行有效的管理。 10 這些情況對於此類型之筆式注射器訂定了許多要求 。該注射 器必/員構造堅固,但在零件操縱方面要易於使用,讓使用者能 夠理解其運作方式。就糖尿病患者來說,許多使用者的生理狀 f疋虛弱的且可能視力也已受損。由於歸置應是拋棄式而非 y多次使用型’該注射器應當要以低價生產且易於拋棄(最好 15是適合回收再利用的)。 經濟部智慧財產局員工消費合作社印製 20 25 發明内容 本發明之一優點在於提出一種改良的筆式注射器。 依據本發明之第—觀點…種筆式注射器包含: 一殼體; —谷納藥用產品之藥匣,其被固持在該殼體内; 用於選擇一欲排出之藥用產品劑量的構件; 用於排出所選藥用產品劑量的構件; 其特徵在於該殼體包含一元式殼體,該劑量選擇構件 及該劑量排出構件被可動地固持在該殼體内。 本紙張尺度適財關m標準(cns)a4規格 (210 x 297 公釐)
1341739 A7 五、發明說明(2) _~~~ --—— - 。本七月之此觀點的優點在於提供—構造更為堅固的筆式注射 器。 依據本發明m _種筆式注射器包含: —具有一螺紋之活塞桿; 5 一嵌入件,其被定位在該殼體内,且該活塞可旋轉穿 過該嵌入件; 相關於該嵌入件之棘齒構件,其用於確保該活塞僅以 單一方向旋轉穿過該嵌入件; —劑量指示套筒’其可相對於該殼體及該嵌入件旋 1〇 轉; 一驅動套筒,其可相對於該活塞桿軸向移位但不可相 對於該活塞桿旋轉; 一按鈕,其被定位在該驅動套筒上且可相對於該驅動 套筒旋轉;及 15 離合器構件,其在該按鈕壓下後防止該劑量指示套筒 與該驅動套筒之間旋轉。 較佳來說,該注射器更包含一螺帽,該螺帽可相對於該驅動 經濟部智慧財產局員工消費合作社印製 套筒旋轉且可相對於該劑量指示套筒軸向移位但不可相對於該 劑量指示套筒旋轉 20 較佳來說,該嵌入件包含一有一開口之腹板,一第一圓柱形 部分從該腹板之一第一側伸出,一第二圓柱形部分從該腹板之 一第二側伸出且一第三圓柱形部分從該腹板之一第二側伸出。 另一選擇,該嵌入件包含一有一開口之腹板,一第一圓柱形 部分從該腹板之一第—側伸出,一轂狀件被提供在該腹板之一 25第二側上’且一圓柱形部分繞該轂狀件之一周圍部分從該腹板 -4 - 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 1341739 A7 B7 五、發明說明(3) -- 伸出。 在-第二替代转中,雜人件包含—有—開口之腹板,一 第-圓柱形部分從該腹板之一第一側伸出,—狀件被提供在 該腹板之-第二側上,一徑向凸緣從該毅狀件伸出,該徑向凸 5緣與s亥腹板有所距離,且一圓柱形部分繞該徑向凸緣之一周圍 部分從該腹板伸出》 較佳來說,該劑量指示套筒包含一第一直徑之第一區段及一 第-直徑之第二區段’該嵌人件及該第一區段之—内表面具備 互相响合特徵部以在該嵌入件與該劑量指示套筒之間提供一螺 1〇 旋螺紋。 另一選擇,該劑量指示套筒包含剛性地連接於一第二大致圓 柱形部分之第-圓柱形部分,該第一區段之一内表面及該嵌入 件圓柱形部分之-外表面具備互相唾合特徵部以在該嵌入件與 該劑量指示套筒之間提供一螺旋螺紋。 15 更佳來說,該第二大致圓柱形部分包含以一肩部連接之一第 一圓柱形區段及一第二圓枉形區段,該第一區段剛性地鍵接 (keyed)於該劑量指示套筒第—部分之—内表面,且該第二區 段的外徑與該殼體相同。 經濟部智慧財產局員工消費合作社印製 另一選擇,該第二大致圓柱形部分包含一第一圓柱形區段及 20 一第一圓柱形區段,此二區段由一從該第二區段之一部分伸出 的径向凸緣連接,該第—區段剛性地鍵接於該劑量指示套筒第 -部分之-内表面,且該第二區段的外徑與該殼體相同。 較佳來說,該劑量指示套筒之一外表面具備圖形,且該殼體 具備一孔或窗口讓該圖形之一部分可被人看見。 25 ^佳來說’該驅動套筒包含一被定位在該嵌入件與 --—-—__ 本紙張尺度適用中_綠準(CNS)A4規格(2H>x 297公⑻ 1341739 五、發明說明U) A7 B7 ===口:第-部件以及,位在該活 動套筒之-内件,該驅 得該驅動套合(sp⑽d) _活塞桿使 可能有縱向位移。t干之間不可能發生相對旋轉而僅 更佳來說’中央I㈣區在一 圓頂部件。 第 端包含~~中心定位 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 較佳來說’該螺帽被 紋上且被定位在該驅動套=在=套同之-螺旋螺 劑量指示套筒及㈣帕_ 、°玄劑董扣不套筒之間,該 以防該螺帽與該劑量構件以检槽接合在一起 較佳來說二=同之間相對旋轉。 央收納區’大致呈'Τ、構二鈕有有凹處之中 藉由與被提供在該桿部上被卜部,該桿部 周圍凹處内的周圍珠' 、收Μ區内之一 收納區内。珠队物之間的合作作用而被固持在該 更佳來說’該活塞桿之第二端大致呈 部的每一旁枝部被收納在該驅動套筒之—第形 k佳來說,該離合器構件包含分別在 及該驅動套壯提供之複數趣向延伸縱向指^件4指示套筒 較佳來說,料構件概棚量麻_軸 之間,該料構件包含概個縱向延伸減—魏有 5 該複數舰向延㈣賊杨騎其巾之i提蹄該劑妙 不套筒上'另-者被提供在該驅動套筒上,該劑量指示: 該驅動㈣之騎導致賴财錢件跨過該等齒 10 劑 15 20 25 本紙張尺度適用中國國家標準(CNS)A4規格(2丨Ox 297公釐)
而產生-系列喀嚓聲。 依據本發明之一苐三觀點,一 —具有一螺紋之活塞桿; -嵌入件,其被定位在該殼體内 種筆式注射器包含: 過該嵌入件; ……,且該活塞可焚轉穿 轉·和心不套同’其可相對於該殼體及該嵌入件旋 一驅動套筒’射相對於贿體軸向移位; 10 15 其特徵在於該劑量指示套筒相對於該殼體之一 ,移係由該劑量指示套筒上之—徑向指向凸耳與該钱入二 上之一鎖扣構件的比鄰關係來決定。 ‘縱向 争乂佳來說,雜向指向凸耳平行於該辦赫套筒之 軸線延伸。 較佳來說,該鎖扣構件包含一繞—中央脊部延伸的溝槽該 中央脊部呈楔形使得一第一邊緣之徑向延伸程度小於一第二對 向邊緣藉以在該第一邊緣與該第二邊緣之間定義一傾斜表面。 實施方式 參照圖1至5 ’其中繪出依據本發明第一實施例的注射器。 20 該注射器包含一殼體2,在該殼體内定位著一容納一藥用產品之 藥匣4'用來設定或選擇欲排出之藥用產品劑量的構件以及用來 排出所選藥用產品劑量的構件。殼體2大致成圓柱形且被一腹 板6 (詳見下文)分隔成兩個隔室。藥匣4被定位在殼體2之一 第一部分内。該劑量設定構件及該用來排出所選藥用產品劑量 25 的構件被固持(亦即被保持)在殼體2之一第二部分内。以單 本紙張尺度適用中國國家標举(CNS)A4規格(210 x297公釐) 1341739 A7 B7
經濟部智慧財產局員工消費合作社印製 _
件式殼體將 4連關量設定構件和齡排出構件關在一起 的好處在於使產品易於組裝。這有一部分是因為筆式注射哭内 的組件數量減少了。又,殼體2之―元式本ff味著此筆:访 射器更為堅固。 5 較4可為藉由任何適當方式@]定在殼體2之第-部分内。 :針頭單元可固定龜4之一第一端。在圖式中以一臨時覆 蓋物8示於此位置。藥E 4更包含—可移位活塞1〇。活塞1〇往 藥E 4第-端前進會導致藥用產品從藥g 4經由針頭單元排 出。提供-帽蓋12用以在該注射n非制謂蓋住針頭單元。 10帽蓋12可為藉由任何適當方式可釋地固定於殼體2。 以下詳細說明劑量設定構件及用來排出所選藥用產品劑量的 構件。分隔殼體2之腹板6係一位在殼體2内之嵌入件14的一 個部件。嵌入件14包含一從腹板6第一側伸出之第—圓柱形部 分16以及從腹板6第二側伸出之第二和第三圓柱形部分 15 18’ 20。腹板6具備一延伸穿過腹板6的圓形開口 22。 第一圓柱形部分16從腹板6之一周圍部分伸出。嵌入件14 藉由任何適當方式經由第一圓柱形部分16固定於殼體2。在圖 示實施例中,於殼體2内以及第一圓柱形部分16之一外表面上 提供特徵部24使該嵌入件能夠扣接配合於殼體2。 20 第二圓柱形部分18圍繞開口 22之一周圍部分從腹板6之第 二側伸出一小段距離。該第二圓柱形部分之—内表面具備一螺 紋26。 第三圓柱形部分20從腹板6第二側伸出大致處於殼體2之 内。第三圓柱形部分20之直徑使得一第一渠道找形成於第二 25圓柱形部分20之一外表面與第三圓枉形部分之一内表面之間。
-- - I 本纸張尺度適用中國國家標準(CNS)A4規格(2丨〇x297公《) ! 1341739 A7 B7 五、發明說明( 一渠道30形成於第三圓柱形部分2〇之一外表面與殼體2 之間。 ,活塞桿32延伸穿過腹板6之開口。活塞桿32大致成長條 升具備一從活塞桿32 一第一端伸出的螺紋34。活塞桿32之 累、文34接合嵌入件14之第二圓柱形部分18之内表面的螺紋。 土孝干32之第一端具備一壓力腳座36。在使用時,壓力腳座 36被配置在腹板6之第-側上以緊靠著藥£活塞10。 棘齒構件40蚊位在紐6第—側上,錄腹板6附近。 棘齒構件40的用途是僅只容許活塞桿32以單-方向旋轉穿過 10嵌入件14。因為殼體是單件式構造,此棘齒構件得被製造為比 習知裝置大且因此更為堅固(更具剛性)。 一大致呈圓柱形形式之劑量指示套筒包含一第一直徑之 第-區段及-第二直徑之第二區段。該第—區段被定位在第二 渠道30内。該第一區段之一内表面及第三圓柱形部分2〇之外 15表面具備互相嚙合特徵部以在嵌入件14與劑量指示套筒5〇之 間提供一螺旋螺紋52。最好如同圖示實施例所示,此係藉由一 被提供在第三圓柱形部分20之外表面上的螺旋軌道達成,劑量 指不套筒50之内表面上之一螺旋肋件可在該軌道内運行。這讓 經濟部智慧財產局員工消費合作社印製 劑量指示套筒50能夠繞著並且沿著嵌入件14之第三圓枉形部 20 分20旋轉。 劑量指示套筒50第一區段之一外表面具備圖形 53。此等圖形通常是一參考數字序列.殼體2具備一孔 或由口 5 4讓該圖形代表使用者所選劑量值之一部分可被 人看見。 25 圖形53可藉由任何適當方式施加於劑量指示套筒 -9 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) 1341739 Α7 Β7 五、發明說明(8) 圖示實施例中,圖形53係以一圍繞劑量指示套筒 之印製標籤的形式提供。另一選擇’此等圖形可採取 。*在'劑量指示套筒50之有記號套筒的形式。此等圖形 °彳何適當方式做上記號,譬如雷射標記方式。β 5嵌入1螺%螺紋52形成於劑量指示套筒内介於劑量指示套筒與 牛之間正是此排列的一項優點。如圖所示,這音 右 從/主射科側㈣旋敎工作表面的直接雜。萬—有灰塵或 巧物進人此筆’也只傾向於發生在殼體與劑量指示套筒之間沒 f工作部件會受干擾之處。在有—微軌形成於殼體與一内 =動表面之間的習知裝置就絕非如此。此外,由於形成在劑 _、套同與驅動套筒之間的螺旋螺紋52較諸於一形成在殼體 與劑量指示套筒之間的類似螺紋有著較窄的直經,螺旋螺紋52 會更有效且較易於翻修°此排列亦對於劑量排出構件之一特定 線性行程所能傳送的劑量大小有所改良。 15 劑量指示套筒5〇之第二區段最好與殼趙2有著相同外徑。 在劑量指*套筒5Q啡—介於劑量指示套筒5Q第—區段與劑 量指示套筒50第二區段之間的肩部56。 經濟部智慧財產局員工消費合作社印製 一大致呈圓柱形形式之驅動套筒6〇包含—第一直徑之第一 邰件及一第一直徑之第二部件。該第一部件之一第一端被定位 20在嵌入件14之第一渠道28内處於圖1所示位置。驅動套筒6〇 第一部件可被視為包含與一第二部分對準之第一部分。更廣泛 地說’在® 1所摊置’驅動㈣⑼之第__部分係狀位在嵌 入件14與活塞桿32之間,同時第二部分被定位在活塞桿32與 劑量指示套筒50之間。 25 活塞桿32之一第二端與驅動套筒60之一内表面以栓槽接合 -10- 本紙張尺度適用中國國家標準(CNS)A4規格(2〗〇 χ 297公釐 1341739 A7 五、發明說明(9) 10 15 經濟部智慧財產局員工消費合作社印製 20 25 ^起使得卿㈣何_蝴鄭w ㈣分的外“―紋 被知供在螺旋螺紋62上介於'=。之間。劑量指,5。_== 袢在絲^之第一部件的直徑大於驅動套筒60之第一邛 件。在驅動套筒6〇第一部件與第二部件之 第」 第,被安置在劑量指示套筒… 同50之肩部56及驅動套筒60之梯級66適於可釋 =形成一離合器構件。當劑量指示套筒二3 目所不並非處於接合狀態,劑量指示套筒50能夠相 動产套旋轉。最好該離合器構件包含分別在劑量指示 二如二及驅動套筒6〇梯級66上提供之複數個徑向延 ’一"日。件。當劑量指示套筒50和驅動套筒6G未受迫聚 :起時’各自的齒件會相互跨過。較佳來說,相應齒件 向分隔相當於一單位劑量。 。驅動套筒60之第二部件更包含一有—周圍凹處的中央收納 區68。提供一大致Y形構造的按紐70,其桿部被固持在該 收納區内触70之桿部具備—被嗎在該周圍凹處内的周圍 珠狀物7卜按紅70能夠相對於驅動套筒6〇自由旋轉但轴向 地被固持在該驅動套筒内。 擎子構件被提供在鮮料㈣50之第二區段與驅動套筒 60之第—部件之間。在圖示實施例中,劑量指示套筒%第二區 段之内表面具備複數個縱向延伸齒。該等齒之徑向分隔相當於-Μ - 本紙張尺度適用中國國家標準(CNS)A4規格(2心297公 1341739 A7
^立劑I。驅動套筒6G之第二部件載有—撓性有齒構件72。 劑量指示套筒5G與驅動套筒6〇之_相對旋 齒構件72跨過該等齒而產生一系列々察聲。 卜W生有
10 在圖1巾’該注射H具備—預紐的雖4。 器,-使用者首先必須選取_劑量。為設定_劑量,操縱^!量 指不套筒5G之第二區段使其相對於殼體2旋制可透過窗口 ^ 看到期望劑量值為止。此動作將劑量指示套筒5()沿著嵌入件Μ 第二圓柱形部分拖戈。驅動套筒⑼因為以拴槽接合於活塞桿% 所以無法旋轉。活塞桿32因為棘齒構件4〇的作用而不會旋 轉:驅動套筒60隨著劑量指示套筒5〇從殼體2往外移動而被 劑量指示套筒5G帶動沿著活塞桿32 _腹板6。指示套筒 50與驅動套筒60之間的相對旋轉導致撓性有齒構件72跨過駆 動套筒60内的脊狀部而產生一系列的喀嚓聲。此為已撥選到劑 量的聽覺確認。 15 由於螺帽64以栓槽接合於劑量指示套筒50,劑量指示套筒 50與驅動套筒6〇之間的相對旋轉導致螺帽64沿著驅動套筒卯 之螺紅螺紋62前進。 -旦設餅-期望劑量(例如圖2所示),為傳送該劑量, 使用者廢下触7〇以將餘7G往殼體2之第—端推動。在按 2〇紅70被壓下時’驅動套筒6〇之第二部件被驅入劑量指示套筒 50之第二區段内使二者之間的離合器構件接合從而防止劑量 指示套筒50與驅動套筒60之間相對旋轉。驅動套筒6〇仍可相 對於按紐70旋轉。按紐70之進一步縱向移動導致劑量指示套 筒50 (連同驅動套筒60)往注射器第一端旋轉。由於活塞桿犯 25以栓槽接合於驅動套筒⑼,活塞桿%亦旋轉穿過嵌人件Μ和 _ -12- 本紙張尺度適用中㈣家標準(CNS)A4規格(2丨()χ 297公发)
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I I I I I I I I I I I I I 1341739 Α7 B7 五、發明說明(1 10 15 經濟部智慧財產局員工消貲合作社印製 20 25 棘齒構件40往注射器第一端行進 排出期望单用糟此使樂匣活塞10推進if 排出』望樂用產。。劑s。活基桿32持續前 劑量指示套筒50已回到其起始位置(圖3)為止。。1 由圖中可見,劑量選擇構件和劑量妈 伸超出殼體2 構件在選取劑量時廷 到殼體2内。 在所選劑量被排出時此二構件回 可依需要傳送更大劑量^情出—隨後選定劑量的實例。 絲解到螺帽64已經沿著聪動套筒6〇之螺旋螺紋的更為推 進。螺帽64沿_旋觀62驗置賴於_ 4峨餘的荦 用產品量’藉此在職64到達螺旋螺紋62之末端(在圖示實 施例中為驅動㈣6G之梯級66附近)且無法更為旋轉之時即 對應於藥S 4内沒錢餘的藥用產品。由此可知若—使用者相 要選取-超過藥E 4内殘餘藥用產品量的藥量,這是不可能: 到的事’因為-旦螺帽64停止轉動,劑量指示套筒5〇和驅動 套筒60會變得鎖定在—起而防止劑量指示套冑5〇旋轉和設定 一較大劑量i 5 依據本發明之注射器,其_已將藥g 4 内之全部藥用產品排出。 本發明之一第二實施例揭示於圖6。在第一和第二實施例之 間使用相同參考數字表示相同部件。 圖6所不活塞桿32’具有一雙重螺紋。壓力腳座36,是可翻轉 的。此對製造方面有益。如圖所示,嵌入件14,之結構已被修 改。腹板6’之第一側大致不變。該腹板之另—側此時具備一較 狀件80。一圓柱形部分2〇,圍繞轂狀件8〇之一周圍部分從腹板 6·伸出。有螺紋開口 22,延伸穿過腹板6,及轂狀件8〇。嵌入件14, 圓柱形部分2〇,遠離於腹板6,之一端具備一呈—脊部1〇4形式的 -13 本紙張尺度適用中國國象標準(CNS)A4規格(2Κ) χ297公釐) 1341739 A7 B7 五、發明說明(12)
止動件。 劑!指不套筒50’具有修改後的構造。該劑量指示套筒包含 剛性地連接於-第二大致圓柱形部分86之—第一眺形部分 科。第-圓柱形部分84之-内表面及嵌入件14,圓柱形部分2〇, 5之外表面具備互相嚙合特徵部以在嵌入件14,與劑量指示套筒 之間提供一螺旋螺紋52,。第一圓枉形部分84之一外表面具 備劑量圖形嗜體2,具備-孔或窗口 54,讓該圖形之可 此讓人看見。 第二大致圓柱形部分86包含一第一圓柱形區段骀及一第二 1〇圓柱形區段90。第-區段88剛性地鍵接於劑量指示套筒训第 -部分84之-内表面。第二區段9〇的外徑最好斑殼體2,相 同。在劑量指示套筒50’内有一肩部56,介於第—區段% 區段90之間。 — 15 20 25 -螺帽64,供在_職62,上介於购麵⑽與劑量 指不套筒5G,第-圓柱形區段88之間。第—圓柱形區段88命螺 帽64’藉由栓槽構件以拴槽接合以防止螺帽64,與劑量指 50’之間相對旋轉。 a s 劑量指示套筒50,之肩部56,及一驅動套筒6〇,之一梯級66,適 於可釋地相互接合㈣成—離合器構件。當劑量指示套筒抓與 媒動套筒60’如圖6所示並非處於接合狀態,創量指示套筒孙 能夠相對於__ _轉。最好雜合器餐包含分別在劑 量指示套㈣,肩部56,及驅動套請梯級66,上提供之複數個徑 向延伸縱向指向齒件^劑量指示套筒5(),和驅 返聚在-起時,各自_件餘互跨過。 未又 由圖中可見驅動套筒6G,之結構亦已被修改。活塞桿32,之第 -14- 本紙張尺度適用中國國家標準(CNS)A4規格(21〇 χ 297公幻 10 15 經濟部智慧財產局員工消費合作社印製 ΓΙ341739 A7 五、發明說明(13) 備触表面’驅動套筒6Q,之—圓頂部件⑽可在該构 ㈣。M部件90於驅動套筒60,之一第二部件内對 正中央地定位在收納區之一第一端。 細丑1〇大致呈T形構造。按紐7〇,之桿部被固持在該收 =,。独7G之桿部具備—被嗎在顯凹處_周圍珠狀 1 ’按在丑70’能夠相對於驅動套筒6〇,自由旋轉,但軸向地被 固持在該驅動套筒内。 在按鈕7G被時,鶴套筒⑼,受胸與織指示套筒 5〇接觸’致錢齡轉件接合。在此_,活塞桿32,之构狀 $面,、驅動套筒之之圓頂表面相互接近但不接觸。此結構的好 在於%讓4裝置的整體長度減小’從而能在從—藥賴出流 體時較易於操作該裝置。 圖7可見按紐70”和劑量指示套筒5〇”之另—實施例。圖令 同樣以相同參考數予代表相同部件。在圖7實施例中該裝置 的整體長度可更為減小。活塞桿32”之第二端大致為u形。該u 形的旁枝部被收納在驅動套筒⑽,之—第二部件内。驅動套筒 60之巾央收納區係由在使用令位在形成於活塞桿32„第二端上 2枝部之間的旁枝部(圏中未示)定義。按鈕70”呈大致 T形構1^。按紅70”之桿部被固持在該收納區内。按紐7〇”之 20桿。ρ具備一被固持在周圍凹處内的周圍珠狀物η”,按紐7『能 夠相對於驅動套筒6〇”自由旋轉,但轴向地被固持在該驅動套筒 内° 劑量指示套冑50”之第二大致圓柱形部分86”包含一第一圓 柱形區段88”及-第二圓柱形區段9〇”,此二圓柱形區段由一從 25 °亥第—區#又之一部分伸出的徑向凸緣92連接,第一區段88”剛 -----15- 本紙張尺度適用中國國家標準(CNS^^⑽χ29 )
1341739 A7 B7 五、發明說明(丨4 5 10 15 經濟部智慧財產局員工消費合作社印製 20 性地鍵接於劑量指示套筒50”第一部分84”之一内表面,且第二 區段90”之外徑與殼體2”相同。 在圖6和7每一圖中皆對劑量指示套筒及嵌入件有更進一步 的修改。參照圖8和9可更清楚地看出這件事。 在劑量指示套筒之一第一端有一大致平行於一套筒縱向軸線 延伸之!向指向凸耳100被定位在一内表面上。在嵌入件第二 端於一外表面上有一鎖扣構件。該鎖扣構件包含一繞一中央脊 部104延伸的溝槽102。中央脊部104大致成楔形,使得一最靠 近螺紋起點之第一邊緣1〇6的徑向延伸距離小於一位在該螺紋 較遠處之第二對向邊緣108的徑向延伸距離。一傾斜表面11〇 被定義在第一邊緣106與第二邊緣1〇8之間。因此,當劑量指 示套筒被組合於嵌入件,藉由將劑量指示套筒旋到嵌入件上, 凸耳100通過第一邊緣1〇6並通過傾斜表面11〇。當凸耳完 全通過脊部1〇4,在相應元件、劑量指示套筒及铁入件會發生一 些彈性變形。—旦凸耳⑽越過脊部1G4,脊部1〇4之第二邊緣 1〇8發揮—止動件之作用以防劑量指示套筒移離嵌入件。 ,脊部104之第二邊緣1〇8的位置最好選在一當劑量指示套筒 從圖卜6或7當中任一圖所示起始位置盤旋到脊部1〇4第二邊 緣108接觸凸耳⑽時對應於8〇單位之藥用產品(亦即最 用劑量是80單位)的徑向位置。 本發明之-第四實施觸祕圖1Q。圖巾以烟 表示相同部件。 / 于 如圖所示,嵌入件14”,的結構已被修改。腹板6,,,之 大致不變。腹板之另—麻時具備—歡件8『。_ ⑴從較狀件,向外伸出,徑向凸緣112與腹板6,,,_距離緣 25
1341739 A7 B7 五、發明說明(15) 且一圓柱形部分20”,繞徑向凸緣112之一周圍部分從腹板6”,伸 出。一有螺紋開口 22”,延伸穿過腹板6”,及轂狀件8〇”,。 劑量指示套筒50”’是修改後的構造。劑量指示套筒5〇”,包含 剛性地連接於一第二大致圓柱形部分86,”之一第一圓枉形部分 5 84。該第一部分84”’之一内表面及嵌入件14",圓柱形部分2〇”, 之外表面具備互相嚙合特徵部以在嵌入件14”,與劑量指示套筒 50之間提供一螺旋螺紋52”’。第一圓柱形部分84”,之一外表面 具備劑量圖形。殼體2”,具備一孔或窗口 54,,,讓該等圖形之—部 分可經此被人看見。 第二大致圓柱形部分86”’包含一第一内圓柱形區段88”,及— 第二外圓柱形區段90”,。第一區段88”,剛性地鍵接於劑量指示套 筒50”’第一部分84”,之一内表面。第二區段9〇”,的外徑最好與殼 體2’’’相同。劑量指示套筒5〇,,’内有一在外區段9〇,”與内區段88,” 之一中間部分之間延伸的徑向凸緣94。 ,,一螺帽64”’被提供在一形成於驅動套筒6〇”,上的螺旋螺紋 62’”上。螺帽64”’被配置在驅動套筒60”,與驅動套筒5〇”,之第二 圓柱形區段88”之間H柱形區段88»,與螺帽⑽,,藉由检槽 構件鍵接在-起以防螺帽64”,與劑量指示套筒5『之間相對 經 濟 部 智 慧 財 產 局 員 X- 合 作 社 印 製 20 劑量指示㈣5(Γ徑向凸緣Μ之-上表面及驅動套筒6〇„, 之梯級66”,適於可釋地相互接合而形成一離合器構件。冬劑量扑 ,筒50’’’與驅動㈣6『如圖1〇戶斤示並非處於接合^ ; 25
里指不套筒50”,能夠相對於驅動套筒⑽,,旋轉。最好該離合 件包^分別在劑量指示套筒5(),’,徑向凸緣94及驅動套筒⑽ 級66上提供之複數個徑向延伸縱向減齒件。當劑量指示套筒 1341739 A7 B7 五、發明說明(Ιό) 50”’和驅動套筒60”’未受迫聚在一起時,各自的齒件會相互跨 過。 圖式簡單說明 5 以上以舉例方式參照所附圖式說明本發明,圖式中: 圖1為一依據本發明之注射器第一實施例處於一第一位置的 剖面圖; 圖2為圖1注射器處於一第二位置的剖面圖; 圖3為圖1注射器處於一第三位置的剖面圖; 10 圖4為圖1注射器處於一第四位置的剖面圖; 圖5為圖1注射器處於一第二位置的剖面圖; 圖6為一依據本發明之注射器第二實施例的剖面圖; 圖7為一依據本發明之注射器第三實施例的剖面圖; 圖8為一搭配本發明使用之劑量指示套筒的透視圖; 15 圖9為一搭配圖8劑量指示套筒使用之嵌入件的透視圖; 圖10為一依據本發明之注射器第四實施例的剖面圖。 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) 1341739 A7 B7 五、發明說明(17) 圖式之元件代號說明: 經濟部智慧財產局員工消費合作社印製 代表符號 名柄· 2, 2,,2”,2,,, 殼體 4 藥匣 6, 6,,6”, 腹板 8 臨時覆蓋物 10 活塞 12 帽蓋 14, 14,,14”, 嵌入件 16 第一圓柱形部分 18 第二圓柱形部分 20 第三圓柱形部分 20, 圓柱形部分 22 開口 22,,22”, 有螺紋開口 24 特徵部 26 螺紋 28 第一渠道 30 第二渠道 32, 32,,32” 活塞桿 34 螺紋 36, 36, 壓力腳座 40 棘齒構件 50, 50’,50”,50”’ 劑量指示套筒 52, 52,,52”, 螺旋螺紋 53 圖形 54, 54,,54,,’ 孔或窗口 56, 56, 肩部 60, 60,,60” 驅動套筒 62, 62,,62,” 螺旋螺紋 64, 64,,64”, 螺帽 66, 66,,66”, 梯級 68 中央收納區 70, 70’,70” 按钮 -19- 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 1341739 A7 B7 五、發明說明(18 ) 71,71,,71” 72 80 84, 84”,84v 86, 86”,86” 88, 88” 88”, 90 90,, 90”, 92 94 100 102 104 106 108 110 112 經濟部智慧財產局員工消費合作社印製 周圍珠狀物 撓性有齒構件 轂狀件 第一圓柱形部分 第二大致圓枉形部分 第一圓柱形區段 第一内圓柱形區段 第二圓柱形區段;圓頂部件 第二圓柱形區段 第二外圓枉形區段 徑向凸緣 徑向凸緣 凸耳 溝槽 脊部 第一邊緣 第二邊緣 傾斜表面 徑向凸緣 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
Claims (1)
13,41739 修正⑽f
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 申請專利範圍 Μ年/1月炉以更)工哲換頁 ι —種筆式注射器包含: 一具有一螺紋之活塞桿; 一嵌入件,其被定位在一殼體内,且一活塞可旋轉 穿過該嵌入件; 相關於該嵌入件之棘齒構件,其用於確保該活塞僅 以單一方向旋轉穿過該嵌入件; —劑量指示套筒,其可相對於該殼體及該嵌入件旋 轉; 一驅動套筒,其可相對於該活塞桿軸向移位但不可 相對於該活塞桿旋轉; 一按鈕,其被定位在該驅動套筒上且可相對於該驅 動套筒旋轉;及 離合器構件,其在該按鈕壓下後防止該劑量指示套筒與 該驅動套筒之間旋轉。 2.如申請專利範圍第1項所述之筆式注射器,其中該殼 體係為一元式殼體’且一容納有一藥用產品之藥民被 固持於其中。 3·如申請專利範圍第1項所述之筆式注射器,其中該注 射器更包含一螺帽,該螺帽可相對於該驅動套筒旋轉 且可相對於該劑量指示套筒軸向移位但不可相對於該 劑量指示套筒旋轉。 4.如申請專利範圍第1或3項所述之筆式注射器,其中 該嵌入件包含一有一開口之腹板,一第一圓柱形部分從該 腹板之-第-側伸出,-第二圓柱形部分從板之一第 -21 - 規格(210x297公釐)
丄申請專利範 圍 A8 B8 C8 D8 —側伸出且一第三圓柱形部分從該腹板之一第二側伸出。 上 出 5·如中清專利範圍第1項所述之筆式注射器,其中該嵌 入件包含一有—開口之腹板,一第一圓柱形部分從該腹板 之第一側伸出,一轂狀件被提供在該腹板之一第二側 且一圓柱形部分繞該轂狀件之一周圍部分從該腹板伸 6·如申請專利範圍帛1項所述之筆式注射器,其中該嵌 入件包含一有一開口之腹板,一第一圓柱形部分從該腹板 之一第一側伸出,一轂狀件被提供在該腹板之一第二側 上’一徑向凸緣從該轂狀件伸出,該徑向凸緣與該腹板有 訂 所距離’且—圓柱形部分繞該徑向凸緣之一周圍部分從該 腹板伸出。 rj ‘如申請專利範圍第1或3項所述之筆式注射器,其中 该劑量指示套筒包含一第一直徑之第一區段及一第二直徑 之第二區段’該嵌入件及該第一區段之一内表面具備互相 嗦合特徵部以在該嵌入件與該劑量指示套筒之間提供一螺 旋螺紋。 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1或3項所述之筆式注射器,其中 該劑量指示套筒包含剛性地連接於一第二大致圓柱形部分 之一第一圓柱形部分,該第一區段之一内表面及該嵌入件 圓柱形部分之—外表面具備互相嚙合特徵部以在該嵌入件 與該劑量指示套筒之間提供一螺旋螺紋。 9. 如申請專利範圍第8項所述之筆式注射器,其中該第 ‘4規格(210x297公釐) 本紙張尺度適时國國家標準(cns)a
Ψ請專利範 圍 Α8 Β8 C8 D8 5 10 15 經濟部智慧財產局員工消費合作社印製 20 〜大致圓柱形部分包含以一肩部連接之一第一圓柱形區段 及一第二圓枉形區段,該第一區段剛性地鍵接於該劑量指 $套筒第-部分之-内表面,且該第二區段的外徑與該殼 體相同。 10.如申請專利範圍第8項所述之筆式注射器其中該第 =大致圓柱形部分包含_第—圓柱形區段及—第二圓柱形 區段,該第-區段與該第二區段由一從該第二區段之一部 $伸出的徑向凸緣連接’該第__區段剛性地鍵接於該劑量4曰不套筒第’分之—内表面’且該第二區段的外徑與該 彀體相同。 如申π專利範圍第1或3項所述之筆式注射器,其中 ’切量㈣之—外表面具備圖形,且該殼體具備一孔 或窗口讓該圖形之—部分可被人看見。 如申請專利範圍第i或3項所述之筆式注射器,苴中 _動套筒包含-被定位在該嵌人件與該活塞桿之間的第 直第-料从—被植在騎塞桿與_ 珣之間的第二直徑第二部件,套 柚拉入“ 丨什祕動套狀一内表面以栓 白接5於該活塞桿使得該驅動套筒 發4相财絲以* 職H舌塞#之間不可能 相對奴轉而僅可能有縱向位移。 13. ^請專利範圍第12項所述之筆式注射器,其 ^含-中央收幢其在—第—端包含—中心定位圓頂部 12 14.如 申請專利範3項所述之筆式注射器,其中該螺 -23 本紙張尺度適用中國國家標準(CNS)M規格pi297公 申請專利範圍 套筒該動套筒之—螺旋螺紋上且被定位在該驅動 由栓样構件$ 9不套筒之間’該劑量指示套筒及該螺帽經 筒之在-起《防該螺帽與該劑量指示套 該二二::含第」有或::所述之筆式注射器, 有周圍凹處之中央收納區,大致呈 部上被触有—桿部’該桿娜由提供在該桿 於該中央收納區内之一周圍凹處内的 丨 物之間的合作作用而被固持在該收納區内。 i::第專圍第15項所述之筆式注射器,其中該活 心形的每-旁枝部被收納在 二:二專利乾圍第1或3項所述之筆式注射器,其中 15 訂 裎〇裔構件包含分別在該劑量指示套筒及該驅動套筒上 知供之複數個徑向延伸縱向指向嵩件。 經濟部智慧財產局員工消費合作社印繁 18. =申請專利範圍第2項所述之筆式注射器,其中該筆 ^主射器更包含—掣子構件其被提供在該觀指示套筒 二亥驅動套筒之間,轉子構件包含複數個縱向延伸齒及 20 撓丨生有齒構件’該複數個縱向延伸齒及該有齒構件其中 ^破提供在該劑f指示套筒上、另—者被提供在該驅動 5 °亥背I ϋ曰示套琦與該驅動套筒之間的相對旋轉合 致錢性有齒構件跨過該等齒而產生-系列嗔。察聲。s 19. 一種筆式注射器包含: 24 - M氏張&度適財_家標準(cns)A4 規格(210x297公釐) 經濟部智慧財產局員工消費合作社印製 一具有一螺紋之活塞桿; 一嵌入件,其被定位在該殼體内,且該活塞可旋轉穿過 該嵌入件; ° —劑量指示套筒,其可相對於該殼體及該嵌入件旋轉; 一驅動套筒’其可相對於該殼體軸向移位; 其中該劑量指示套筒相對於該殼體之—最大角位移係由 該劑量指示套筒上之一徑向指向凸耳與該嵌入件上之一鎖 扣構件的比鄰關係來決定。 20.如申請專利範圍第19項所述之筆式注射器,其中該徑向 指向凸耳平行於該劑量指示套筒之一縱向軸線延伸。 21·如申請專利範圍第19或20項所述之筆式注射器,其中該 鎖扣構件包含—繞一中央脊部延伸的溝槽,該中央脊部呈 検形使得一第一邊緣之徑向延伸程度小於一第二對向邊緣 藉以在該第一邊緣與該第二邊緣之間定義一傾斜表面。 本紙張 規格(210x297公爱) II13.41739 (月}日修(更)正替換頁
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GBGB0304823.8A GB0304823D0 (en) | 2003-03-03 | 2003-03-03 | Improvements in and relating to a pen-type injector |
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TW093105525A TWI341739B (en) | 2003-03-03 | 2004-03-03 | Improvements in and relating to a pen-type injector |
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