CN109364335A - 一种防残液药液注射器 - Google Patents
一种防残液药液注射器 Download PDFInfo
- Publication number
- CN109364335A CN109364335A CN201811554265.0A CN201811554265A CN109364335A CN 109364335 A CN109364335 A CN 109364335A CN 201811554265 A CN201811554265 A CN 201811554265A CN 109364335 A CN109364335 A CN 109364335A
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- CN
- China
- Prior art keywords
- injection
- raffinate
- medical fluid
- injection ram
- fluid injector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 abstract description 11
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 abstract description 11
- 239000003814 drug Substances 0.000 abstract description 7
- 229940079593 drug Drugs 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003005 anticarcinogenic agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/31516—Piston or piston-rod constructions, e.g. connection of piston with piston-rod reducing dead-space in the syringe barrel after delivery
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)
Abstract
本专利为一种防残液药液注射器,包括注射器本体1、针座2、注射针3,所述注射针3与所述针座2连接,其特征在于,所述防残液药液注射器还包括第一注射活塞4、第二注射活塞5,所述第二注射活塞5的中心设有孔腔,有益效果如下:减少昂贵药物的浪费。
Description
技术领域
本发明涉及医用用品,具体涉及一种防残液药液注射器。
背景技术
现有的注射器存在这样的技术问题,当注射剂完成注射后注射器内部存在大量的药物残留,面对较昂贵的药物的时候,如抗癌药,会造成药物的浪费。因此需要提供一种技术方案来解决这样的技术问题。
发明内容
本发明提供了一种防残液药液注射器,设计的目的是:减少昂贵药物的浪费。
本发明采用了如下技术方案:一种防残液药液注射器,包括注射器本体1、针座2、注射针3,所述注射针3与所述针座2连接,其特征在于,所述防残液药液注射器还包括第一注射活塞4、第二注射活塞5,所述第二注射活塞5的中心设有孔腔,所述第一注射活塞4通过所述孔腔与所述第二注射活塞5活动连接,所述第一注射活塞4的一端与所述注射器本体1的头部内腔6间隙配合
本发明的有益效果如下:本装置在使用过程中所述第一注射活塞4、第二注射活塞5的一端平齐,然后推动第二注射活塞5将注射器内腔中的药物推出进行注射。当推送至极限位置的时候。随时头部内腔6中含有残留的药液,此时推送第一注射活塞4,使得第一注射活塞4一端将头部内腔6中的药液挤出。减少昂贵药物的浪费。
附图说明
图1是本发明所述一种防残液药液注射器的结构示意图。 具体实施方式
以下结合附图与具体实施例对本发明作进一步描述。
图1中:注射器本体1、针座2、注射针3、第一注射活塞4、第二注射活塞5、头部内腔6。
一种防残液药液注射器,包括注射器本体1、针座2、注射针3,所述注射针3与所述针座2连接,其特征在于,所述防残液药液注射器还包括第一注射活塞4、第二注射活塞5,所述第二注射活塞5的中心设有孔腔,所述第一注射活塞4通过所述孔腔与所述第二注射活塞5活动连接,所述第一注射活塞4的一端与所述注射器本体1的头部内腔6间隙配合。
Claims (1)
1.一种防残液药液注射器,包括注射器本体(1)、针座(2)、注射针(3),所述注射针(3)与所述针座(2)连接,其特征在于,所述防残液药液注射器还包括第一注射活塞(4)、第二注射活塞(5),所述第二注射活塞(5)的中心设有孔腔,所述第一注射活塞(4)通过所述孔腔与所述第二注射活塞(5)活动连接,所述第一注射活塞(4)的一端与所述注射器本体(1)的头部内腔(6)间隙配合。
Priority Applications (1)
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CN201811554265.0A CN109364335A (zh) | 2018-12-19 | 2018-12-19 | 一种防残液药液注射器 |
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CN201811554265.0A CN109364335A (zh) | 2018-12-19 | 2018-12-19 | 一种防残液药液注射器 |
Publications (1)
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CN109364335A true CN109364335A (zh) | 2019-02-22 |
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CN201811554265.0A Pending CN109364335A (zh) | 2018-12-19 | 2018-12-19 | 一种防残液药液注射器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575392A (zh) * | 2020-12-04 | 2021-03-30 | 生物岛实验室 | 喷出机构、静电纺丝设备、静电喷雾设备与喷出方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107875484A (zh) * | 2017-11-27 | 2018-04-06 | 高玉霞 | 一种减少药液残余量的注射器 |
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2018
- 2018-12-19 CN CN201811554265.0A patent/CN109364335A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107875484A (zh) * | 2017-11-27 | 2018-04-06 | 高玉霞 | 一种减少药液残余量的注射器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575392A (zh) * | 2020-12-04 | 2021-03-30 | 生物岛实验室 | 喷出机构、静电纺丝设备、静电喷雾设备与喷出方法 |
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Application publication date: 20190222 |
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