公开(公告)号：EP1165162A4

公开(公告)日：2004-07-07

申请号：EP00920130

申请日：2000-04-04

申请人： FILTERTEK INC

发明人： BARTH STEVE C ,  DAVIS RALPH L

IPC分类号： A61M39/26 ,  A61M5/00

CPC分类号： A61M39/26 ,  A61M2039/266 ,  Y10S604/905

摘要： A non-needle access device (10) includes a housing (12) having a fluid pathway and an inner chamber (34). A biased plunger (16) is disposed within the inner chamber (34), movable between a first position, and a second position. A main seal (32) seals the inner chamber (34) from the fluid pathway. A vent (20) between the inner chamber (34), the outside of the housing (12) allows air to pass out of and into the inner chamber (34) when the plunger (16) is moved between the first and the second positions.

公开(公告)号：EP0779799A4

公开(公告)日：2006-05-31

申请号：EP96919104

申请日：1996-06-06

申请人： FILTERTEK INC

发明人： DAVIS RALPH L

IPC分类号： A61C1/00 ,  A61C17/08 ,  A61C17/06 ,  A61C17/14 ,  B01D27/00 ,  B01D35/00 ,  B01D35/28

CPC分类号： A61C1/0076 ,  A61C17/043

摘要： A filter-adapter for filtering amalgam and attaching multiple sizes of disposable aspirator tips to the suction line of a dental aspirator, is disclosed herein. The filter-adapter (25) incorporates a filter (35) for preventing amalgam from contaminating the suction line and significantly reducing the amount of amalgam that reaches the central amalgam separator in the system. The filter-adapter (25) fits between the aspirator tip and the suction hose of the aspirator system. In particular, one embodiment of the filter-adapter (25) comprises a substantially cylindrical, hollow body (26) with a flowpath (30) defined through the body, an outer surface diameter (42) at one end sealably fitting one size aspirator tip, and an inner surface diameter of the same end sealably fitting another size of aspirator tip, and a second end having an outer surface diameter (33) sealably fitting the suction hose from the aspirator system.

公开(公告)号：EP0965012A4

公开(公告)日：2000-08-16

申请号：EP98908820

申请日：1998-03-02

申请人： FILTERTEK INC

发明人： DAVIS RALPH L

IPC分类号： A61M1/16 ,  A61M39/24 ,  F16K15/14

CPC分类号： A61M39/24 ,  A61M1/16 ,  A61M2039/242 ,  A61M2039/2433 ,  F16K15/147 ,  Y10T137/0497 ,  Y10T137/7882 ,  Y10T137/7886

摘要： A valve (18) includes an inlet (12) and outlet (14) housing, a flexible one-way valve (18), and a collar (30). The flexible valve (18) is locked between the housings (12, 14). The collar (30) is attached to the inlet housing (12) and extends into the flexible valve (18). As fluid flows through the valve (18), the collar (30) supports the flexible valve (18) and prevents collapse due to back flow pressure.

摘要翻译： 阀包括入口和出口壳体，柔性单向阀和套环。 柔性阀被锁定在壳体之间。 套环连接到入口壳体并延伸到柔性阀门中。 当流体流过阀时，套环支撑柔性阀，并防止由于回流压力而导致的塌陷。