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公开(公告)号：NZ737867A
公开(公告)日：2019-06-28
申请号：NZ73786713
申请日：2013-12-20
Applicant: DEKA PRODUCTS LP
Inventor： BAIER MICHAEL , VAN DER MERWE DIRK , PAWLOWSKI DANIEL , NORRIS MICHAEL , THERRIEN ALEXANDER , KAMEN DEAN , KERWIN JOHN , GRAY LARRY B , BODWELL JESSE , FICHERA STEPHAN , THURBER JONATHAN , DESCH MARTIN , SABIN ERIK , COLLINS DAVID , FARLOW JARED , ZOBRO JONATHAN , FRIEDRICH THOMAS , HEINZMANN RICHARD , BLUMBERG JR , SLOSS JAMES , LIM SIMON , JANWAY JEFFREY
Abstract: Disclosed herein is a syringe pump, wherein the syringe pump comprises a half nut assembly that engages a motor driven lead screw, where a barrel cam with a projection engages a slot in the half nut cam follower surface so as to make the half nut engage or disengage with the lead screw. Also disclosed are related methods using the syringe pump, such as a method for removing effects of slack in a syringe pump having a syringe loaded on the syringe pump.
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公开(公告)号：NZ749182A
公开(公告)日：2020-03-27
申请号：NZ74918213
申请日：2013-12-20
Applicant: DEKA PRODUCTS LP
Inventor： BAIER MICHAEL , VAN DER MERWE DIRK , PAWLOWSKI DANIEL , NORRIS MICHAEL , THERRIEN ALEXANDER , KAMEN DEAN , KERWIN JOHN , GRAY LARRY B , BODWELL JESSE , FICHERA STEPHAN , THURBER JONATHAN , DESCH MARTIN , SABIN ERIK , COLLINS DAVID , FARLOW JARED , ZOBRO JONATHAN , FRIEDRICH THOMAS , HEINZMANN RICHARD , BLUMBERG JR , SLOSS JAMES , LIM SIMON , JANWAY JEFFREY
Abstract: A method for removing the effects of slack in a syringe pump having a syringe loaded on the syringe pump, the syringe having a barrel and a plunger disposed within the barrel, the method comprising receiving a target flow rate of the syringe loaded on the syringe pump, determining a therapy actuation speed corresponding to the target flow rate, actuating the plunger of the syringe out of the barrel at a first predetermined speed until a force sensor coupled to the plunger measures a force that is less than a first predetermined force threshold, actuating the plunger of the syringe into the barrel at a second predetermined speed greater than the therapy actuation speed until the force sensor coupled to the plunger measures a force that exceeds a second predetermined threshold, and actuating the plunger of the syringe into the barrel at the therapy actuation speed.
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公开(公告)号：SG10202002661PA
公开(公告)日：2020-05-28
申请号：SG10202002661P
申请日：2013-12-20
Applicant: DEKA PRODUCTS LP
Inventor： KAMEN DEAN , GRAY LARRY , BODWELL JESSE , KERWIN JOHN , BAIER MICHAEL J , VAN DER MERWE DIRK , FICHERA STEPHAN , THURBER JONATHAN , DESCH MARTIN , THERRIEN ALEXANDER , SABIN ERIK , COLLINS DAVID , FARLOW JARED , ZOBRO JONATHAN , FRIEDRICH THOMAS , HEINZMANN RICHARD , BLUMBERG JR , SLOSS JAMES , PAWLOWSKI DANIEL , LIM SIMON , JANWAY JEFFREY , NORRIS MICHAEL
Abstract: A method for discharging fluid from a syringe and for mitigating occlusion conditions includes actuating the plunger of a syringe into a barrel. The method monitors fluid pressure within the barrel of the syringe and determines that an occlusion exists when the fluid pressure exceeds a predetermined threshold. The method actuates the plunger out of the barrel by a predetermined amount in response to the detected occlusion and actuates the plunger of the syringe into the barrel until a measured fluid pressure within the barrel of the syringe exceeds another predetermined threshold.
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公开(公告)号：SG10201800584SA
公开(公告)日：2018-03-28
申请号：SG10201800584S
申请日：2013-12-20
Applicant: DEKA PRODUCTS LP
Inventor： KAMEN DEAN , GRAY LARRY , BODWELL JESSE , KERWIN JOHN , BAIER MICHAEL J , VAN DER MERWE DIRK , FICHERA STEPHAN , THURBER JONATHAN , DESCH MARTIN , THERRIEN ALEXANDER , SABIN ERIK , COLLINS DAVID , FARLOW JARED , ZOBRO JONATHAN , FRIEDRICH THOMAS , HEINZMANN RICHARD , BLUMBERG JR , SLOSS JAMES , PAWLOWSKI DANIEL , LIM SIMON , JANWAY JEFFREY , NORRIS MICHAEL
Abstract: A method for discharging fluid from a syringe and for mitigating occlusion conditions includes actuating the plunger of a syringe into a barrel. The method monitors fluid pressure within the barrel of the syringe and determines that an occlusion exists when the fluid pressure exceeds a predetermined threshold. The method actuates the plunger out of the barrel by a predetermined amount in response to the detected occlusion and actuates the plunger of the syringe into the barrel until a measured fluid pressure within the barrel of the syringe exceeds another predetermined threshold.
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