[특허]Bloodless catheter

Bloodless catheter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/00
출원번호	US-0606048 (1990-10-30)
발명자 / 주소	Bonaldo Jean M. (Upland CA)
출원인 / 주소	Care Medical Devices, Inc. (Ontario CA 02)
인용정보	피인용 횟수 : 218 인용 특허 : 0

초록 ▼

A medical device which presents the backflow of fluid therethrough is particularly useful as a bloodless catheter assembly, that is, prevents the backflow of blood through the catheter by utilization of a self-closing valve carried in a hollow catheter housing to one end of which a catheter is fixed so as to provide a fluid passage through the catheter and catheter housing. The fluid passage in the catheter housing is sealed by a self-sealing valve element extending transversely across the passage upstream from the catheter. A hollow needle is held in the catheter housing downstream of and pointed at the valve element. Attachment of a fluid dispensing medical appliance to the other catheter housing end forces the valve element downstream onto the needle so as to pierce the valve element and open a fluid passage from the catheter housing upstream of the valve element through the hollow needle to the catheter. Removal of the medical appliance permits the resiliently biased valve element to move upstream away from the needle, thereby resealing and thus reclosing the fluid passage which extends through the hollow needle.

대표청구항 ▼

A medical assembly comprising: a housing having a longitudinal passageway extending therewithin between an upstream end and a downstream end thereof; hollow needle means mounted in said longitudinal passageway so as to be upstream of and in fluid communication with said downstream end, said needle means including a hollow needle terminating in a needle point which points toward the housing upstream end and terminates short thereof, whereby a fluid passageway is provided from said housing downstream end upstream through said hollow needle; valve means disposed within said passageway between said upstream end and said downstream end so as to normally close said passageway upstream from said needle point; valve engaging means for engaging said valve means downstream from said needle point and operable to fix said valve means to said needle means, said valve means including a first hollow cylindrical element coaxially disposed within the passageway and which is engaged by said valve engaging means, a second hollow cylindrical element axially aligned with the first cylindrical element and disposed between said first cylindrical element and said housing upstream end and terminating at one end adjacent to the upstream end, and a valve element connected between the first cylindrical element and the second cylindrical element so as to be normal to the axes thereof, thereby closing a cylindrical interior passage extending through the first and second cylindrical elements, said valve element being made of a material which is self-sealing after puncture by said needle; and valve actuator means slidably disposed within the longitudinal passageway adjacent the valve means and operable when actuated by being moved longitudinally from its normal disposition toward the housing downstream to urge the valve element downstream onto the needle after being pierced by the needle point, whereby the fluid passageway normally terminating at the valve element extends through the valve element so as to be in direct fluid communication with the housing upstream end.

이 특허를 인용한 특허 (218)

Isaacson, S. Ray; Davis, III, Richard Champion; Davis, Bryan G.; McKinnon, Austin Jason, Activator attachment for blood control catheters.
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Cluff, Ken; Moulton, William G.; Henderson, III, Edward G.; McMurray, Jeff; Lindstrom, Kenneth B., Assembly method for catheter with blood control.
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Fangrow, Thomas F., Axially engaging medical connector system with fluid-resistant mating interfaces.
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Burkholz, Jonathan Karl; Isaacson, S. Ray; Stout, Marty L., Blood control IV catheter with stationary septum activator.
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Stout, Marty L.; Isaacson, S. Ray; Burkholz, Jonathan Karl, Systems and methods for sealing a septum within a catheter device.
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Belson, Amir, Systems and methods for venipuncture and catheter placement.
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Ma, Yiping; Stout, Marty L., Systems and methods to compensate for compression forces in an intravascular device.
상세보기
Ma, Yiping; Stout, Marty L., Systems and methods to compensate for compression forces in an intravascular device.
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Stephenson, James; Curley, James, Tracheal tube adaptor and flaring jig.
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Stephenson, James; Curley, James, Tracheal tube adaptor and flaring jig.
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Lin, Janice; Ma, Yiping, UV curable solventless antimicrobial compositions.
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Simpson, Philip J.; Gillespie, Walter D.; Matsuura, David G., Valve assembly.
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Walker, Sandra A.; Martz, Kevin R.; Sharp, Brian P.; Steube, Gregory A., Vascular access assembly and safety device.
상세보기
Burkholz, Jonathan Karl, Vented blood sampling device.
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Burkholz, Jonathan Karl, Vented blood sampling device.
상세보기
Ma, Yiping; Isaacson, S. Ray; Stout, Marty L.; Harding, Weston F.; Sonderegger, Ralph L., Vented flushable catheter assembly.
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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Bloodless catheter 원문보기

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Bloodless catheter 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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IPC 상위 출원인

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