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公开(公告)号：EP2310699A4
公开(公告)日：2012-08-22
申请号：EP09797261
申请日：2009-07-14
申请人： BURKE JOHN THOMAS , WALSH ALLAN
发明人： BURKE JOHN THOMAS , WALSH ALLAN
CPC分类号： F16B5/0225 , E04B1/043 , F16B43/00
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公开(公告)号：EP2310699B1
公开(公告)日：2015-07-01
申请号：EP09797261.6
申请日：2009-07-14
申请人： Burke, John Thomas , Walsh, Allan
发明人： Burke, John Thomas , Walsh, Allan
CPC分类号： F16B5/0225 , E04B1/043 , F16B43/00
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公开(公告)号：EP2310699A1
公开(公告)日：2011-04-20
申请号：EP09797261.6
申请日：2009-07-14
申请人： Burke, John Thomas , Walsh, Allan
发明人： Burke, John Thomas , Walsh, Allan
CPC分类号： F16B5/0225 , E04B1/043 , F16B43/00
摘要： A washer assembly for a threaded fastener said assembly including a first washer portion having an aperture through which the threaded fastener is to pass, and a surface surrounding said aperture; and a second washer portion, said second washer portion having an aperture through which the fastener is to pass, the second portion having a surface surrounding the aperture of the second portion and being positioned to abut the surface of the first portion and to be urged into contact therewith upon tensioning of the fastener; and wherein the surface of said second portion extends beyond the aperture of said first portion when the surfaces abut, the aperture of said first portion is dimensioned to provide for relative movement between the portions with the apertures aligned to provide for the insertion of the threaded fastener therethrough, and said surfaces have cooperating projections and recesses that inhibit relative movement between the portions when the threaded fastener is tensioned urging the surface of said second portion against the surface of said first portion.
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公开(公告)号：EP1863551A1
公开(公告)日：2007-12-12
申请号：EP05729709.5
申请日：2005-04-08
CPC分类号： A61M5/3234 , A61M5/3293 , A61M5/508 , A61M2005/3123
摘要： An auto retractable safety syringe (11) is disclosed. The syringe has barrel (12) which has a hollow plunger (13) located therein. The plunger has piston means (39) associated therewith so as to be sealingly slideable within the barrel. The syringe further has a needle cartridge assembly (14) located in the barrel, the needle cartridge assembly comprising a needle (20), needle hub (21), and a housing (15, 16) therefor. The needle cartridge assembly is initially releasably engaged on the end of the plunger in a retracted state within the barrel prior to use, and is movable to and engageable with the end (25) of the barrel where the needle extends therefrom in an in-use position for performing an injection. During this time the plunger is withdrawn from engagement with the cartridge, so as to function in known manner as a plunger for taking fluid into the barrel and causing it to be injected into a patient. Subsequent to completion of the injection, the plunger is depressed further to cause the cartridge to auto retract the needle such that it is caused to retract into the hollow plunger.
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公开(公告)号：EP1765437A1
公开(公告)日：2007-03-28
申请号：EP05747036.1
申请日：2005-06-07
IPC分类号： A61M5/50
CPC分类号： A61M5/322 , A61M5/31505 , A61M5/347 , A61M2005/3104 , A61M2005/31508
摘要： A retractable syringe (11) is disclosed wherein the needle (14) is located initially in a first storage position enclosed within the syringe body (12). In a second in-use position, the needle extends from the body of the syringe. To move needle from first to second position, the plunger (13) connects the needle boss (15) with the syringe body ens (16). The plunger is then disengaged from the needle boss enable the plunger to be withdrawn and thereby take in fluid into the syringe. Upon completion of injection the plunger engages with the needle boss enabling the plunger to be withdrawn, the needle remaining attached. Engaging the plunger to the needle boss requires the same amount of force as to perform the injection. Lateral forces act to engage the needle boss and the end of the plunger, for example by utilising a cam mechanism in the form of a finger lock device (26).
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