[특허]Variable proportion dispenser with cartridge replacement assembly

Variable proportion dispenser with cartridge replacement assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00
출원번호	US-0924620 (1992-07-31)
발명자 / 주소	Haber Terry M. (Lake Forest CA) Foster Clark B. (Laguna Niguel CA) Smedley William H. (Lake Elsinore CA)
출원인 / 주소	Habley Medical Technology Corporation (Laguna Hills CA 02)
인용정보	피인용 횟수 : 61 인용 특허 : 0

초록 ▼

A variable proportion dispenser (2c) includes a housing (12c) which houses two pharmaceutical cartridges (6b). A reciprocating drive assembly includes drive stems (36c) extending from the pistons (46b) of each cartridge, a limit guide (76c) removably mounted to the housing, and a sliding body (66e, 300) mounted to the housing through the limit guide. Two one-way drivers (326) and threaded dosage adjusters (60c) are carried by the sliding body. Each one-way driver drives the drive stem into the cartridge through a drive surface to provide a range of dose selections. The user can thus control the amount and proportion of each pharmaceutical dispensed during each delivery stroke for each dispensing cycle. The housing is separable from the remainder of the dispenser, preferably using a cartridge release assembly (302), to allow spent cartridge to be replaced. Use of the cartridge release assembly also causes the one-way drivers to release the drive stems to permit the drive stems to be returned to their original positions.

대표청구항 ▼

A variable proportion dispenser comprising: a housing; first and second variable volume containers mounted to the housing and including first and second exits and first and second movable elements by which the contents of the first and second containers can be forced through said first and second exits as the first and second movable elements are moved from first and second starting positions towards first and second ending positions; first and second drive stems drivingly coupled to the first and second movable elements, the first and second drive stems including axially extending drive surfaces; a reciprocal drive assembly configured to drive the first and second movable elements from the first and second starting positions towards the first and second ending positions, the reciprocal drive assembly including: first and second reciprocating drivers, including one-way drive elements, said one-way drive elements being configured to drivingly engage the first and second drive stems when the first and second reciprocating drivers are moved toward the first and second ending positions, the one-way drive elements configured to be drivingly disengaged from the first and second drive stems so that the first and second drive stems do not move when the first and second reciprocating drivers are moved away from the first and second ending positions; first and second stroke adjusters for adjusting the relative distances the first and second reciprocating drivers and the first and second drive stems associated therewith travel during each cycle of the reciprocal driver so that the amounts and proportions of the contents of the first and second containers forced through the first and second exits during each of one or more cycles of the reciprocal drive assembly can be selected by the user while said amounts and proportions remain the same unless said relative distances are changed; and said drive surfaces and said reciprocating drivers adapted to permit a range of said relative distances to be chosen by the user through adjustment of said stroke adjusters; and means for selectively releasing the one-way drive elements from the first and second drive stems.

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A	생활필수품
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A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Variable proportion dispenser with cartridge replacement assembly 원문보기

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Variable proportion dispenser with cartridge replacement assembly 원문보기

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