[특허]Methods and apparatus for mixing bone cement components using an evacuated mixing chamber

Methods and apparatus for mixing bone cement components using an evacuated mixing chamber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01F-013/06 B01F-015/02
출원번호	US-0300045 (1994-09-02)
발명자 / 주소	Tanaka Kazuna (Cos Cob CT) Kapec Jeffrey (Westport CT) Chochinov Allan B. (New York NY)
출원인 / 주소	Howmedica (02)
인용정보	피인용 횟수 : 83 인용 특허 : 0

초록 ▼

Methods and apparatus are set forth for preparing and delivering bone cement formed by combining a powdered polymer component and a liquid monomer component. The powdered polymer component is stored in an evacuated mixing chamber. The liquid monomer component, according to one specific aspect of the invention, is introduced into the mixing chamber by a control mechanism which causes the stored powder to be “substantially wet”, i.e., all of the powdered polymer component is wet to at least some degree and is otherwise devoid of powder pockets. The control mechanism, according to a preferred embodiment of the invention, stages the release of the liquid monomer into the vacuum packed powder chamber, under the effect of the vacuum, in a timed sequence using a plurality of monomer distribution channels. The distribution channels, which in a preferred embodiment of the invention include liquid component diffusers, insure the substantial wetting of the stored powder by delivering the liquid in parallel to different portions of the mixing chamber. The substantial wetting of the powder is designed to ultimately insure a homogeneous bone cement mix.

대표청구항 ▼

A mixing device for mixing a powdered and a liquid component comprising: (a) a first evacuated container containing a powdered component mass; (b) a second container containing a liquid component; (c) means for connecting said first and second containers, after the evacuation of said first container, allowing said liquid component to be drawn into said first container, and (d) means for introducing said liquid component into said first container in a manner which substantially wets the powdered component mass stored therein by wetting said powdered component mass from outside and from within the stored powdered component mass.

이 특허를 인용한 특허 (83)

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Vogt, Sebastian; Kluge, Thomas, Vacuum mixing device with operating element, pressure pump, and vacuum pump for mixing polymethylmethacrylate bone cement.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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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연합인증

Methods and apparatus for mixing bone cement components using an evacuated mixing chamber 원문보기

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Methods and apparatus for mixing bone cement components using an evacuated mixing chamber 원문보기

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