公开(公告)号：WO2021183638A1

公开(公告)日：2021-09-16

申请号：PCT/US2021/021696

申请日：2021-03-10

Applicant: SMITHS MEDICAL ASD, INC.

Inventor： MADDEN, Henry ,  COONS, Paul Harrison ,  FURRY, Marisa ,  KRAUTBAUER, Kevin

IPC: A61M5/145 ,  A61M5/172 ,  A61M5/168 ,  A61M5/315 ,  A61M5/142

Abstract: An infusion pump can be configured to modulate a drive motor based on perceived infusion pressure requirements for quieter, more energy-efficient operation of the drive motor. The infusion pump can include an electrical motor having a variable output torque based on the electrical current input, a plunger head sensor configured to detect a force between a plunger driver and a plunger of a medicament container, and a control module configured to regulate the electrical current input to the electrical motor based on the detected force between the plunger driver and the plunger medicament container. The electrical current input for such an infusion pump can be incrementally reduced according to defined magnitudes of detected force.

公开(公告)号：WO2022125272A1

公开(公告)日：2022-06-16

申请号：PCT/US2021/059369

申请日：2021-11-15

Applicant: SMITHS MEDICAL ASD, INC. [US]/[US]

Inventor： PAI, Sameer ,  COONS, Paul Harrison ,  KRAUTBAUER, Kevin ,  MADDEN, Henry ,  SMITH, Erika ,  THOLE, Sarah ,  JIGNASU, Anushrut

IPC: A61M5/168

Abstract: A system for occlusion detection, including a cartridge containing an infusate, a plunger driven by a drive mechanism configured to be advanced within the cartridge to expel infusate from the cartridge, a force sensor configured to sense an actual force exerted by the plunger, and a control unit configured to determine an estimated force based on an expected decay in frictional force between the plunger and the cartridge for comparison to the actual force sensed by the force sensor, wherein a deviation between the estimated force and the actual force exceeding a threshold triggers an occlusion alarm.

公开(公告)号：WO2019213496A1

公开(公告)日：2019-11-07

申请号：PCT/US2019/030565

申请日：2019-05-03

Applicant: SMITHS MEDICAL ASD, INC.

Inventor： PETERSON, Benjamin ,  DOBROBOLNY, Walter ,  SANBORN, Jonathan ,  MADDEN, Henry ,  PLAGER, Steven ,  LACY, Christopher ,  KRAUTBAUER, Kevin ,  BABCOCK, Dennis ,  SIBIK, Dean ,  HORRISBERGER, Benn ,  ADAMS, Grant ,  SCHLUTE, Seth

IPC: A61M5/145

Abstract: A syringe pump configured to at least partially surround a syringe loaded into the pump. The syringe pump including a syringe pump housing defining a syringe receptacle shaped and sized to accept loading of the syringe, a plunger driver assembly configured to manipulate a plunger of a syringe loaded into the syringe pump, and a syringe housing including a syringe barrel shield pivotably coupled to the syringe pump housing configured to at least partially enclose a syringe loaded into the syringe pump within the syringe receptacle, and a syringe plunger tray and lid assembly operably coupled to the syringe pump housing and configured to at least partially enclose a portion of the plunger driver assembly.