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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0920106 (1992-07-24) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 427 인용 특허 : 0 |
A needless injection device includes an initiator valve controlling flow of compressed gas into a reservoir. A poppet valve connecting to the reservoir has a gas pressure regulation end to regulate flow from the initiator valve into the reservoir. A clamp piston is driven forward by gas pressure fro
A needless injection device includes an initiator valve controlling flow of compressed gas into a reservoir. A poppet valve connecting to the reservoir has a gas pressure regulation end to regulate flow from the initiator valve into the reservoir. A clamp piston is driven forward by gas pressure from the reservoir and causes jaws to clamp onto a plunger extending into an ampule. The poppet valve opens when reservoir pressure reaches the cracking pressure of the poppet valve. Gas from the reservoir rushes through the popper valve into a drive chamber and forces a drive piston, containing the clamp piston and jaws, forward causing the plunger to slide into the ampule. A jet of injectant sprays out of the nozzle of the ampule and penetrates through the patient\s skin.
A needleless injection device comprising: a housing; a driver piston slidably contained within the housing; an ampule releasably attached to the housing; a plunger slidably extending from the ampule at least partially into the housing: and a clamp piston slidably positioned within the driver piston
A needleless injection device comprising: a housing; a driver piston slidably contained within the housing; an ampule releasably attached to the housing; a plunger slidably extending from the ampule at least partially into the housing: and a clamp piston slidably positioned within the driver piston for engaging the driver piston to the plunger regardless of plunger location.
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