RU2019104519A - Поршень шприца и шприц - Google Patents
Поршень шприца и шприц Download PDFInfo
- Publication number
- RU2019104519A RU2019104519A RU2019104519A RU2019104519A RU2019104519A RU 2019104519 A RU2019104519 A RU 2019104519A RU 2019104519 A RU2019104519 A RU 2019104519A RU 2019104519 A RU2019104519 A RU 2019104519A RU 2019104519 A RU2019104519 A RU 2019104519A
- Authority
- RU
- Russia
- Prior art keywords
- seal
- chamber
- piston
- membrane
- head
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims 8
- 239000007788 liquid Substances 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 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
- A61M5/31—Details
- A61M5/3146—Priming, e.g. purging, reducing backlash or clearance
-
- 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
- A61M5/31513—Piston constructions to improve sealing or sliding
-
- 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
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/38—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/38—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
- A61M5/385—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters using hydrophobic filters
-
- 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
- A61M2005/3123—Details having air entrapping or venting means, e.g. purging channels in pistons
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
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)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Claims (9)
1. Поршень для шприца, содержащий головку для возвратно-поступательного движения внутри камеры шприца, при этом головка дополнительно содержит уплотнение, которое является непроницаемым для жидкости, но проницаемым для газа, уплотнение содержит полупроницаемую мембрану, причем мембрана образует или определяет по существу всю поверхность поршня и/или уплотнения в контакте с и/или обращенную к пространству камеры между уплотнением и концом камеры.
2. Поршень по п. 1, в котором мембрана образует или определяет по существу всю поверхность поршня и/или уплотнения в контакте с жидкостью и/или газом, заключенными в камере.
3. Поршень по п. 1 или 2, в котором участок поршня, головки и/или уплотнения в контакте с и/или обращенный к пространству и/или к жидкости и/или газу, заключенным в камере, образован мембраной.
4. Поршень по любому из пп. 1-3, в котором головка содержит емкость, сообщающуюся по текучей среде с уплотнением для вмещения газа, прошедшего через уплотнение.
5. Поршень по п. 4, в котором емкость расположена сбоку от уплотнения напротив камеры и/или напротив мембраны.
6. Поршень по любому из пп. 1-5, в котором головка и/или уплотнение выполнены с возможностью приема, вмещения и/или удержания газа, который прошел через мембрану.
7. Поршень по п. 6, в котором по меньшей мере участок головки и/или уплотнения в контакте с мембраной изготовлен из пористого материала.
8. Поршень по п. 7, в котором по меньшей мере участок головки и/или уплотнения в контакте с мембраной изготовлен из вспененной резины и/или вспененного полимера.
9. Шприц, содержащий камеру для приема подаваемой жидкости и шток для возвратно-поступательного движения с камерой, содержащий поршень по любому из пп. 1-8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU93154 | 2016-07-19 | ||
| LU93154A LU93154B1 (en) | 2016-07-19 | 2016-07-19 | Syringe plunger and syringe |
| PCT/EP2017/068232 WO2018015438A1 (en) | 2016-07-19 | 2017-07-19 | Syringe plunger and syringe |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2019104519A true RU2019104519A (ru) | 2020-08-19 |
| RU2019104519A3 RU2019104519A3 (ru) | 2020-08-31 |
| RU2743006C2 RU2743006C2 (ru) | 2021-02-15 |
Family
ID=56550943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2019104519A RU2743006C2 (ru) | 2016-07-19 | 2017-07-19 | Поршень шприца и шприц |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20190217012A1 (ru) |
| EP (1) | EP3487562B1 (ru) |
| JP (1) | JP7140399B2 (ru) |
| KR (1) | KR20190051948A (ru) |
| DK (1) | DK3487562T3 (ru) |
| LU (1) | LU93154B1 (ru) |
| PL (1) | PL3487562T3 (ru) |
| RU (1) | RU2743006C2 (ru) |
| WO (1) | WO2018015438A1 (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024049121A1 (ko) * | 2022-08-28 | 2024-03-07 | 이오플로우㈜ | 약물 주입 장치 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4572210A (en) * | 1981-07-01 | 1986-02-25 | Marquest Medical Products, Inc. | Syringe with means for allowing passage of air while preventing the passage of blood to obtain a gas-free blood sample |
| US4821738A (en) * | 1987-11-19 | 1989-04-18 | Marquest Medical Products, Inc. | Arterial blood gas syringe |
| DE9011685U1 (de) * | 1990-08-10 | 1991-12-12 | THERA Patent GmbH & Co. KG Gesellschaft für industrielle Schutzrechte, 82229 Seefeld | Granulatspritze |
| US5377689A (en) * | 1993-12-27 | 1995-01-03 | Mercereau; Steven F. | Sampling syringe |
| WO1998025659A1 (en) * | 1996-12-13 | 1998-06-18 | Vital Signs, Inc. | Syringe with collapsible plunger tip |
| JP4004106B2 (ja) * | 1997-07-31 | 2007-11-07 | テルモ株式会社 | 薬液注入器具 |
| US5971953A (en) * | 1998-01-09 | 1999-10-26 | Bachynsky; Nicholas | Dual chamber syringe apparatus |
| US6648836B2 (en) * | 2001-08-30 | 2003-11-18 | Becton, Dickinson And Company | Blood gas syringe having improved blood barrier |
| PL376411A1 (en) * | 2002-10-29 | 2005-12-27 | Vasogen Ireland Limited | Device and method for controlled expression of gases from medical fluids delivery systems |
| US7351228B2 (en) * | 2003-11-06 | 2008-04-01 | Becton, Dickinson And Company | Plunger rod for arterial blood collection syringes |
| DE102004055870A1 (de) * | 2004-11-19 | 2006-05-24 | Robert Bosch Gmbh | Spritze mit Entlüftungsvorrichtung |
| US8172795B2 (en) * | 2010-03-15 | 2012-05-08 | Becton, Dickinson And Company | Medical device including an air evacuation system |
| JP5947592B2 (ja) * | 2012-03-30 | 2016-07-06 | 富士フイルムＲｉファーマ株式会社 | 注射器、ピストン及び注射器用シリンジ |
-
2016
- 2016-07-19 LU LU93154A patent/LU93154B1/en active IP Right Grant
-
2017
- 2017-07-19 EP EP17752299.2A patent/EP3487562B1/en active Active
- 2017-07-19 KR KR1020197004889A patent/KR20190051948A/ko not_active Ceased
- 2017-07-19 JP JP2019524514A patent/JP7140399B2/ja active Active
- 2017-07-19 RU RU2019104519A patent/RU2743006C2/ru active
- 2017-07-19 US US16/319,688 patent/US20190217012A1/en not_active Abandoned
- 2017-07-19 PL PL17752299T patent/PL3487562T3/pl unknown
- 2017-07-19 WO PCT/EP2017/068232 patent/WO2018015438A1/en not_active Ceased
- 2017-07-19 DK DK17752299.2T patent/DK3487562T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| US20190217012A1 (en) | 2019-07-18 |
| RU2019104519A3 (ru) | 2020-08-31 |
| KR20190051948A (ko) | 2019-05-15 |
| PL3487562T3 (pl) | 2020-12-28 |
| WO2018015438A1 (en) | 2018-01-25 |
| DK3487562T3 (da) | 2020-08-31 |
| LU93154B1 (en) | 2018-01-23 |
| EP3487562B1 (en) | 2020-05-27 |
| JP2019521830A (ja) | 2019-08-08 |
| JP7140399B2 (ja) | 2022-09-21 |
| RU2743006C2 (ru) | 2021-02-15 |
| EP3487562A1 (en) | 2019-05-29 |
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