[특허]Blood/gas separator and flow system

Blood/gas separator and flow system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-019/00
출원번호	US-0359178 (1989-05-31)
발명자 / 주소	Bringham Richard L. (San Clemente CA) Bell R. Scott (Irvine CA)
출원인 / 주소	Baxter International, Inc. (Deerfield IL 02)
인용정보	피인용 횟수 : 80 인용 특허 : 0

초록 ▼

A blood reservoir is formed with a hard outer shell housing defining at least one blood compartment. A flexible bag is mounted in the outer shell and is connected to the reservoir inlet port to allow blood to directly enter the flexible bag. The bag includes two oppositely positioned ends, one of which includes a mircoporous screen and is situated to lie partially below a minimum level attained by blood in the reservoir. The second bag end is substantially open, and includes a porous element partially coated with an antifoaming agent. The coated portion of the element is positioned above a maximum level attained by the blood in the hard shell. The potential of excessive mixing between the blood and air is reduced by controlling the expansion of the bag during blood flow.

대표청구항 ▼

A venous and cardiotomy blood reservoir comprising: a housing defining at least two separate compartments, with a second of said compartments being positioned above the first of said compartments, said housing including separate inlet and outlet ports communicating respectively with each of said compartments; connecting means coupled to said inlet ports of a first of said compartments and said outlet ports of a second of said compartments; a flexible bag means positioned in said housing first compartment for receiving blood through said inlet ports of said first compartment, said bag means being securely mounted in said compartment to restrict expansion of said bag means as said blood enters through said inlet ports, said bag means having a first end including a porous screen through which blood flows out of said bag means, and a second opposite end including a porous defoamer means which is at least partially coated with an antifoam material, with said partially coated portion being positioned above a maximum blood level in said reservoir; a porous element positioned in said second compartment between said inlet and outlet ports, said porous element being coated with an antifoaming material; a plate mounted in said housing to which said bag means is securely mounted along its edges; said first bag means end being positioned at a level to lie partially below a minimum blood level in said reservoir; said bag means being an elongated flexible bag which is mounted in said housing with said first end being positioned horizontally below said second end; said screen having a porosity of from about forty to about two hundred microns; said porous defoamer means having a porosity of from about four hundred to about eighteen hundred microns; and said connecting means comprising a tube fitting means which connects to said inlet port of said first compartment and a flexible tubing connected to said tube fitting means and said outlet port of said second compartment.

이 특허를 인용한 특허 (80)

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Fini, Massimo, Combined device comprising a venous blood reservoir and a cardiotomy reservoir in an extracorporeal circuit.
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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

Blood/gas separator and flow system 원문보기

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Blood/gas separator and flow system 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (80)

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