[특허]Injection device

Injection device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/315
출원번호	US-0579359 (2005-05-27)
등록번호	US-8343110 (2013-01-01)
우선권정보	GB-0412048.1 (2004-05-28); GB-0412049.9 (2004-05-28); GB-0412050.7 (2004-05-28); GB-0412051.5 (2004-05-28); GB-0412053.1 (2004-05-28); GB-0412054.9 (2004-05-28); GB-0412055.6 (2004-05-28); GB-0412056.4 (2004-05-28); GB-0412057.2 (2004-05-28); GB-0412061.9 (2004-05-28); GB-0507010.7 (2005-04-06)
국제출원번호	PCT/GB2005/002135 (2005-05-27)
§371/§102 date	20080828 (20080828)
국제공개번호	WO2005/115514 (2005-12-08)
발명자 / 주소	Harrison, Nigel Habeshaw, Rosemary
출원인 / 주소	Cilag GmbH International
인용정보	피인용 횟수 : 0 인용 특허 : 173

초록 ▼

A syringe is received within a housing, the syringe having a bore terminating at a forward end in a hypodermic needle and at a rearward end in a flared opening in which a bung having a bore surrounded by a skirt is insertod. A drive element has a forward end consisting of a substantially flat annular region that bears upon the skirt of the bung and surrounds a conical middle region that is received in the bore of the bung. An actuator advances the drive element so as to advance the bung and discharge the contents through the needle. The opening in the rear of the synnge is flared by being provided with a radius. The combination of the radius at the opening and the projecting conical middle region of the drive element allows misalignments of the two to be managed during automated assembly.

대표청구항 ▼

1. An injection device comprising: a housing having a trigger projecting though the housing;a hypodermic syringe, including a syringe body terminating at one end in a hypodermic needle, said hypodermic syringe received within the housing, the syringe having a bore terminating at a forward end in a discharge nozzle and at a rearward end in a flared opening in which a discharge piston having a bore at a rearward end portion thereof is inserted;a drive element having a forward end consisting of a substantially flat edge region that is adapted to bear upon the rearward end of the discharge piston of the syringe and surrounds a projecting middle region which continuously tapers from the substantially flat edge region to a closed end neb and that is adapted to be received in the bore at the rearward end portion of the discharge piston; andan actuator a drive spring actuatable by the trigger for advancing the syringe from a refracted position in which the discharge nozzle is contained within the housing to an extended position in which the discharge nozzle extends from an aperture in the housing and for advancing the drive element so as to advance the discharge piston and discharge the contents of the syringe through the discharge nozzle. 2. An injection device according to claim 1 in which the flared opening in the syringe and the substantially flat edge and projecting middle regions of the forward end of the drive element are so shaped and dimensioned that axial misalignment between the syringe and the drive element during assembly of the injection device are corrected by, firstly, the projecting middle region of the forward end of the drive element riding up the flared opening of the syringe to a point at which, secondly, the substantially flat edge region of the forward end of the drive element rides up the flared opening of the syringe to align the drive element in the bore of the syringe. 3. An injection device according to claim 2 in which the line formed by the intersection of the flared opening of the syringe and a plane that passes through the axis of the syringe bore possesses a radius of curvature of between 33% and 100% of the radius of the syringe bore. 4. An injection device according to claim 2 in which the line formed by the intersection of the flared opening of the syringe and a plane that passes through the axis of the syringe bore possesses a radius of curvature of between 1 mm and 3 mm. 5. An injection device according to claim 3 in which the said radius of curvature is an average radius of curvature. 6. An injection device according to claim 3 in which the said radius of curvature is a minimum radius of curvature. 7. An injection device according to claim 3 in which the said radius of curvature is greater than the maximum radial extent of the substantially flat edge region of the forward end of the drive element. 8. An injection device according to claim 7 in which the said radius of curvature is at least 50% greater than the maximum radial extent of the substantially flat edge region of the forward end of the drive element. 9. An injection device according to claim 7 in which the said radius of curvature is at least 70% greater than the maximum radial extent of the substantially flat edge region of the forward end of the drive element. 10. An injection device according to claim 1 in which the flared opening of the syringe is substantially a surface of revolution about the axis of the syringe bore. 11. An injection device comprising: a housing having a trigger projecting through the housing, said housing adapted to receive a hypodermic syringe, including a syringe body terminating at one end in a hypodermic needle, said hypodermic syringe having a bore terminating at a forward end in a discharge nozzle and at a rearward end in a flared opening in which a discharge piston having a bore at a rearward end portion thereof is inserted; anda drive element that is adapted to bear upon the rearward end of the discharge piston of the syringe; andan actuator a drive spring actuatable by the trigger for advancing the syringe from a refracted position in which the discharge nozzle is contained within the housing to an extended position in which the discharge nozzle extends from an aperture in the housing for advancing the drive element so as to advance the discharge piston and discharge the contents of the syringe through the discharge nozzle, the forward end of the drive element consisting of a substantially flat edge region surrounding a projecting middle region which continuously tapers from the substantially flat edge region to a closed end neb and that is adapted to be received in the bore at the rearward end portion of the discharge piston. 12. An injection device according to claim 11 in which the forward end of the drive element has a cross-sectional area in the range 6.5 mm2 to 110 mm2. 13. An injection device according to claim 12 in which the forward end of the drive element has a cross-sectional area of 27.3 mm2±8%. 14. An injection device according to claim 11 in which the forward end of the drive element is substantially circular in cross-section. 15. An injection device according to claim 14 in which the forward end of the drive element has a radius in the range 1.45 mm to 5.9 mm. 16. An injection device according to claim 15 in which the forward end of the drive element has a radius of 2.95 mm±4%. 17. An injection device according to claim 11 in which the substantially flat edge region of the forward end of the drive element accounts for between 25% and 50% of the total area of the forward end of the drive element. 18. An injection device according to claim 17 in which the substantially flat edge region of the forward end of the drive element accounts for 37±3% of the total area of the forward end of the drive element. 19. An injection device according to claim 11 in which the substantially flat edge region of the forward end of the drive element is substantially annular. 20. An injection device according to claim 19 in which the inner diameter of the substantially flat annular region is 61±2% of the outer diameter. 21. An injection device according to claim 11 in which the projecting middle region of the forward end of the drive element is substantially circular in shape. 22. An injection device according to claim 11 in which the projecting middle region of the forward end of the drive element tapers at an average angle of between 35±10° to the longitudinal axis of the drive element. 23. An injection device according to claim 11 in which the projecting middle region of the forward end of the drive element is substantially conical or frustoconical. 24. An injection device according to claim 23 in which the conical or frustoconical region of the forward end of the drive element has an included cone angle of 65±5°.

이 특허에 인용된 특허 (173)

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Ranford Alan B. (Creve Coeur MO) Talonn Daniel A. (University City MO), Syringe and sliding locking needle shield.
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Grabenkort Richard W., Syringe barrel for lyophilization, reconstitution and administration.
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Smith Jerry A. ; Gerlecz Joseph M., Syringe cover cooperating with needle cover.
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Bitdinger Ralf V. (La Cote Herbeys FRX), Syringe having needle isolation features.
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Sweeney Niall (Rutherford NJ) Gyure Sandor (West Orange NJ), Syringe having tamper evidence features.
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Levin Paul D. (1595 Soquel Dr. Santa Cruz CA 95065) Harding John D. (Santa Cruz CA), Syringe holder and applicator.
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McNaughton R. David (95 Dobler Ave. Red Deer ; Alberta CAX T4R 1X3), Syringe shield.
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Jeffrey Peter (Liverpool GB3), Syringe with retractable needle.
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Kramer George C. (5 Tiki Cir. Galveston TX 77554) Thomas William B. (Fremont CA) Wilson Jay (Portola Valley CA), System and method for rapid vascular drug delivery.
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Kramer George C. (5 Tiki Cir. Galveston TX 77554) Thomas William B. (Fremont CA) Wilson Jay (Portola Valley CA), System and method for rapid vascular drug delivery.
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Kramer George C. (Galveston TX) Spoon Herbert H. (San Antonio TX) Miller Larry J. (Spring Branch TX) Collette David J. (San Antonio TX) Zamorano Rubn G. (San Antonio TX) Jenkinson Joel P. (Galveston , System and method for rapid vascular drug delivery.
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Eakins, Michael N.; Balestracci, Ernest; Schramm, Ernst; Niedospial Jr., John J., Tamper evident syringe barrel.
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Haber Terry M. (Lake Forest CA) Smedley William H. (Lake Elsinore CA) Foster Clark B. (Laguna Niguel CA), Telescoping pharmaceutical storage and mixing syringe.
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Rand Paul K. (Ware GBX) Regan Philip M. (Ware GBX), Triggered application device for medicament to be more descriptive of the invention.
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Baidwan Balinderjeet S. (1236 Garfield Denver CO 80206) Iwaski Dean H. (1465 Monroe St. Denver CO 80206), Vented piston and push-rod subassembly for use in a syringe barrel.
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Knauer, Peter M., Vial injector device.
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Lavi, Gilad; Yigal, Gil; Tsals, Izrail; Gross, Joseph, drug delivery systems and methods.
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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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