RU2002125942A - NEEDLE-FREE SYRINGE WITH TWO LEVELS OF INJECTION SPEED - Google Patents

NEEDLE-FREE SYRINGE WITH TWO LEVELS OF INJECTION SPEED

Info

Publication number
RU2002125942A
RU2002125942A RU2002125942/14A RU2002125942A RU2002125942A RU 2002125942 A RU2002125942 A RU 2002125942A RU 2002125942/14 A RU2002125942/14 A RU 2002125942/14A RU 2002125942 A RU2002125942 A RU 2002125942A RU 2002125942 A RU2002125942 A RU 2002125942A
Authority
RU
Russia
Prior art keywords
head
needleless syringe
syringe according
drive head
ejector
Prior art date
Application number
RU2002125942/14A
Other languages
Russian (ru)
Other versions
RU2231369C1 (en
Inventor
Патрик АЛЕКСАНДР
Бернар БРУКЬЕР
Филипп ГОТЬЕ
Дени РОЛЛЕ
Original Assignee
Кроссжект
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR0002633A external-priority patent/FR2805749B1/en
Application filed by Кроссжект filed Critical Кроссжект
Publication of RU2002125942A publication Critical patent/RU2002125942A/en
Application granted granted Critical
Publication of RU2231369C1 publication Critical patent/RU2231369C1/en

Links

Claims (14)

1. Безыгольный шприц (1, 21, 31) для инъекции жидкого активного начала, содержащегося в емкости (2, 22, 32), расположенной между инъектором (3, 23, 33), содержащим по меньшей мере один инъекционный канал, и средством выталкивания, взаимодействующий с генератором газа (7), при этом средство выталкивания содержит направленный в сторону активного начала конец, образующий выталкивающую головку (4, 24, 34), поперечное сечение которой равно сечению емкости, и противоположный конец, направленный в сторону генератора газов (7) и содержащий приводную головку (6, 26, 36), поперечное сечение которой больше сечения выталкивающей головки, отличающийся тем, что выталкивающая головка (4, 24, 34) выполнена в виде единой детали, а приводная головка (6, 26, 36) является активной при рабочем ходе (C1, C2, С3), длина которого меньше высоты (H1, H2, Н3) емкости (2, 22, 32) с жидким активным началом.1. A needleless syringe (1, 21, 31) for injecting a liquid active principle contained in a container (2, 22, 32) located between the injector (3, 23, 33) containing at least one injection channel and the expulsion means interacting with the gas generator (7), and the ejection means comprises an end directed towards the active principle, forming an ejection head (4, 24, 34), the cross section of which is equal to the section of the tank, and the opposite end directed towards the gas generator (7 ) and containing a drive head (6, 26, 36), p pepper-section which is greater than the cross section of the ejector of the head, characterized in that the ejector head (4, 24, 34) is made in a single piece, and the drive head (6, 26, 36) is active when the working stroke (C 1, C 2, C 3 ), the length of which is less than the height (H 1 , H 2 , H 3 ) of the tank (2, 22, 32) with a liquid active principle. 2. Безыгольный шприц по п.1, отличающийся тем, что приводная головка (6, 26, 36) и выталкивающая головка (4, 24, 34) являются частями соответственно двух находящихся друг над другом поршней.2. A needleless syringe according to claim 1, characterized in that the drive head (6, 26, 36) and the ejector head (4, 24, 34) are parts of two pistons located one above the other. 3. Безыгольный шприц по любому из п.1 или 2, отличающийся тем, что эффективный рабочий ход приводной головки (6, 26, 36) меньше 0,6 высоты емкости (2, 22, 32).3. A needleless syringe according to any one of claims 1 or 2, characterized in that the effective working stroke of the drive head (6, 26, 36) is less than 0.6 of the height of the container (2, 22, 32). 4. Безыгольный шприц по любому из пп.1-3, отличающийся тем, что приводная головка (6) образована соединением в паз верхнего кольцевого поршня (16) с верхним штоком (5) нижнего поршня, содержащего выталкивающую головку.4. A needleless syringe according to any one of claims 1 to 3, characterized in that the drive head (6) is formed by connecting into the groove of the upper annular piston (16) with the upper rod (5) of the lower piston containing the ejector head. 5. Безыгольный шприц по п.4, отличающийся тем, что устройство, ограничивающее рабочий ход (C1) приводной головки (6), является упором (9), размещенным на дне рабочего цилиндра (10).5. A needleless syringe according to claim 4, characterized in that the device limiting the working stroke (C 1 ) of the drive head (6) is a stop (9) placed on the bottom of the working cylinder (10). 6. Безыгольный шприц по п.1, отличающийся тем, что приводная головка (26) является верхней головкой верхнего цельного поршня, а выталкивающая головка (24) является нижней стороной нижнего цельного поршня.6. A needleless syringe according to claim 1, characterized in that the drive head (26) is the upper head of the upper one-piece piston, and the eject head (24) is the lower side of the lower one-piece piston. 7. Безыгольный шприц по п.6, отличающийся тем, что оба поршня отделены друг от друга расстоянием (D).7. The needleless syringe according to claim 6, characterized in that both pistons are separated by a distance (D). 8. Безыгольный шприц по п.6, отличающийся тем, что оба поршня находятся в контакте друг с другом.8. The needleless syringe according to claim 6, characterized in that both pistons are in contact with each other. 9. Безыгольный шприц по любому из пп.6-8, отличающийся тем, что устройство, ограничивающее рабочий ход (С2) приводной головки (26), является расширительной камерой (29), продолжающей рабочий цилиндр (20).9. A needleless syringe according to any one of claims 6 to 8, characterized in that the device limiting the stroke (C 2 ) of the drive head (26) is an expansion chamber (29) extending the working cylinder (20). 10. Безыгольный шприц по п.6, отличающийся тем, что верхний цельный поршень, содержащий приводную головку (26), упирается в поверхность (28), содержащую проходы для газа.10. A needleless syringe according to claim 6, characterized in that the upper one-piece piston containing the drive head (26) abuts against a surface (28) containing gas passages. 11. Безыгольный шприц по любому из пп.1 и 3, отличающийся тем, что средство выталкивания выполнено в виде одного ступенчатого поршня, верхняя сторона которого является частью приводной головки (36), а нижняя сторона является выталкивающей головкой (34).11. A needleless syringe according to any one of claims 1 and 3, characterized in that the ejection means is made in the form of a single step piston, the upper side of which is part of the drive head (36), and the lower side is the ejector head (34). 12. Безыгольный шприц по п.11, отличающийся тем, что устройство, ограничивающее рабочий ход (С3) приводной головки (36), является камерой расширения (39), длина которой обеспечивает контакт между выталкивающей головкой (34) и верхней стороной инъектора.12. A needleless syringe according to claim 11, characterized in that the device limiting the stroke (C 3 ) of the drive head (36) is an expansion chamber (39), the length of which provides contact between the ejector head (34) and the upper side of the injector. 13. Безыгольный шприц по любому из предыдущих пп.1-12, отличающийся тем, что генератор газов (7) является пиротехническим генератором.13. A needleless syringe according to any one of the preceding claims 1 to 12, characterized in that the gas generator (7) is a pyrotechnic generator. 14. Безыгольный шприц по п.3, отличающийся тем, что отношение между сечениями приводной головки (6, 26, 36) и выталкивающей головки (4, 24, 34) находится в пределах от 2 до 6.14. A needleless syringe according to claim 3, characterized in that the ratio between the sections of the drive head (6, 26, 36) and the ejector head (4, 24, 34) is in the range from 2 to 6.
RU2002125942/14A 2000-03-01 2001-02-23 No-needle syringe allowing two injection rates to be applied RU2231369C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR00/02633 2000-03-01
FR0002633A FR2805749B1 (en) 2000-03-01 2000-03-01 NEEDLELESS SYRINGE AT TWO LEVELS OF INJECTION SPEED

Publications (2)

Publication Number Publication Date
RU2002125942A true RU2002125942A (en) 2004-04-20
RU2231369C1 RU2231369C1 (en) 2004-06-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002125942/14A RU2231369C1 (en) 2000-03-01 2001-02-23 No-needle syringe allowing two injection rates to be applied

Country Status (17)

Country Link
US (1) US6942645B2 (en)
EP (1) EP1261387B1 (en)
JP (1) JP3708876B2 (en)
CN (1) CN1217709C (en)
AT (1) ATE299726T1 (en)
AU (2) AU3748501A (en)
BR (1) BR0108830B1 (en)
CA (1) CA2400071C (en)
DE (1) DE60112052T2 (en)
ES (1) ES2245682T3 (en)
FR (1) FR2805749B1 (en)
HU (1) HU226251B1 (en)
IL (2) IL151120A0 (en)
MX (1) MXPA02008457A (en)
PL (1) PL197414B1 (en)
RU (1) RU2231369C1 (en)
WO (1) WO2001064269A1 (en)

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