MY155392A - An improved needleless hypodermic injection device - Google Patents

An improved needleless hypodermic injection device

Info

Publication number
MY155392A
MY155392A MYPI2011002145A MYPI2011002145A MY155392A MY 155392 A MY155392 A MY 155392A MY PI2011002145 A MYPI2011002145 A MY PI2011002145A MY PI2011002145 A MYPI2011002145 A MY PI2011002145A MY 155392 A MY155392 A MY 155392A
Authority
MY
Malaysia
Prior art keywords
injector
injection device
hypodermic injection
needleless hypodermic
spring
Prior art date
Application number
MYPI2011002145A
Inventor
Thai Kam Meng
Tan Chun Teng
Original Assignee
Mht Injex Sdn Bhd
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
Application filed by Mht Injex Sdn Bhd filed Critical Mht Injex Sdn Bhd
Priority to MYPI2011002145A priority Critical patent/MY155392A/en
Priority to PCT/MY2012/000057 priority patent/WO2012154025A2/en
Publication of MY155392A publication Critical patent/MY155392A/en

Links

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
    • A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2073—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
    • 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

Abstract

THE PRESENT INVENTION RELATES TO AN IMPROVED NEEDLELESS HYPODERMIC INJECTION DEVICE (10). ACCORDINGLY, THE NEEDLELESS HYPODERMIC INJECTION DEVICE (10) INCLUDES: (A) AN INJECTOR (12) HAVING A HOUSING (13) FORMED BY FIRST AND SECOND HOUSING SECTIONS; (B) A SPRING INJECTOR MECHANISM (14) IN ASSOCIATED WITH A PISTON (16) DISPOSED WITHIN THE INJECTOR (12); (C) A TRIGGER (20) HAVING A STOPPER (22) AND IN ASSOCIATED WITH A RETURN SPRING (23) PIVOTALLY MOUNTED TO THE INJECTOR (12); (D) A SAFETY LOCK (30) SLIDABLY ATTACHED TO THE INJECTOR (12) TO PREVENT UNDESIRED RELEASE MOVEMENT OF THE TRIGGER (20); WHEREIN THE PISTON (16) IS IN ASSOCIATED WITH A COMPRESSION SPRING (15) AND IS CAPABLE TO PROVIDE TWO DIFFERENT SETTING OF SPRING LOADED FORCE FOR BOTH LOW AND HEIGHT DOSES INJECTION. THE MOST ILLUSTRATIVE DRAWING:
MYPI2011002145A 2011-05-12 2011-05-12 An improved needleless hypodermic injection device MY155392A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI2011002145A MY155392A (en) 2011-05-12 2011-05-12 An improved needleless hypodermic injection device
PCT/MY2012/000057 WO2012154025A2 (en) 2011-05-12 2012-03-16 An improved needleless hypodermic injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI2011002145A MY155392A (en) 2011-05-12 2011-05-12 An improved needleless hypodermic injection device

Publications (1)

Publication Number Publication Date
MY155392A true MY155392A (en) 2015-10-15

Family

ID=47139845

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2011002145A MY155392A (en) 2011-05-12 2011-05-12 An improved needleless hypodermic injection device

Country Status (2)

Country Link
MY (1) MY155392A (en)
WO (1) WO2012154025A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105477749A (en) * 2016-01-13 2016-04-13 北京步腾医学科技有限公司 Disposable needle-free spring syringe
US11752269B2 (en) 2019-12-18 2023-09-12 Integrimedical Llc Spring loaded medical needle-free injection system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024656A (en) * 1988-08-30 1991-06-18 Injet Medical Products, Inc. Gas-pressure-regulated needleless injection system
US5569189A (en) * 1992-09-28 1996-10-29 Equidyne Systems, Inc. hypodermic jet injector
US6558348B2 (en) * 2000-04-07 2003-05-06 Equidyne Systems, Inc. Low cost disposable needleless injector system for variable and fixed dose applications
US20030196928A1 (en) * 2002-04-19 2003-10-23 Parsons J. Stuart Multi-component ampule

Also Published As

Publication number Publication date
WO2012154025A2 (en) 2012-11-15
WO2012154025A3 (en) 2013-01-03

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