[특허]Processes for cleaning, sterilizing, and implanting materials using high energy dense fluids

Processes for cleaning, sterilizing, and implanting materials using high energy dense fluids 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B08B-003/12
출원번호	US-0443471 (1989-11-30)
발명자 / 주소	Jackson David P. (22328 W. Barcotta Dr. Santa Clarita CA 91350) Lepp Michael A. (22334 W. Barcotta Dr. Santa Clarita CA 91350)
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

An environmentally safe process for pre-cleaning, sterilizing, preserving, and enhancing performance characteristics of materials used in critical environments with stringent end-product cleanliness and sterilization requirements in a single process using high energy dense fluids. One or more dense fluids are mixed with one or more chemical agents and are simultaneously subjected to a non-uniform electrostatic field and high powered acoustic radiation to remove, in a process called acoustic-electroextraction, deeply recessed contaminants from internal and external surfaces of intricately arranged or formulated materials such as biomaterials, surgical tools, or dental implants. Subsequently, the cleaned materials are than subjected to a high energy dense fluid oxidizing environment to provide for deep material penetration and sterilization and removal of biological contaminants. Finally, the cleaned and sterilized materials may be implanted with chemical agents using an acoustic deposition process to provide for long term preservation. In an alternative embodiment of the present invention, chemical agents may be implanted in materials to provide new and improved material properties such as increased electrical insulation. Finally, the entire process may be performed on materials which are prepackaged in semi-permeable membranes, preventing recontamination of the clean, sterile, or implanted materials.

대표청구항 ▼

A process for removing two or more contaminants from a substrate surface comprising the steps of: a) placing said substrate containing said contaminants in a cleaning, sterilization, and implant chamber; and b) contacting said substrate containing said contaminants with a dense fluid at a pressure equal to or above the critical pressure of a said dense fluid; and c) simultaneously subjecting said dense fluid to a high energy source of acoustic radiation and a non-uniform electrostatic energy field, and maintaining contact of said energized dense fluid with said substrate containing said contaminants for a predetermined period of time above the critical pressure and below critical temperature of said dense fluid, wherein contaminant solubility and transport from said substrate is provided to thereby remove said two or more contaminants from said substrate in one continuous process; and adding a chemical agent to the dense fluid; d) simultaneously subjecting said dense fluid and said chemical agent dissolved in said dense fluid to a high energy source of acoustic radiation and a non-uniform electric field, and contacting said substrate for a predetermined period of time with said energized dense fluid, and increasing temperature of said dense fluid to the critical temperature for said dense fluid, wherein said substrate is coated with said chemical agent.

이 특허를 인용한 특허 (79)

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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Processes for cleaning, sterilizing, and implanting materials using high energy dense fluids 원문보기

초록 ▼

대표청구항 ▼

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연합인증

Processes for cleaning, sterilizing, and implanting materials using high energy dense fluids 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (79)

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