Title:
移動注入デバイス駆動制御および閉塞検出
Document Type and Number:
Japanese Patent JP7086173
Kind Code:
B2
Abstract:
A device and method for controlling operation of an ambulatory infusion device drive. The drive may have a spindle drive with a stepper motor, a drive member operatively coupled to a rotary encoder, and a driver controller that executes several steps, including actuating the stepper motor to execute a requested number of steps in a current drive control sequence, receiving a drive member position that indicates an actual position of a drive member following the actuation, computing an executed steps number from the drive member position, computing a missed steps number for the current drive control sequence, which is the difference between the requested number of steps and the executed steps number, determining when the ambulatory infusion device drive is blocked based on a statistical evaluation of a time-distribution of the missed steps number over a history of drive control sequences, and generating a blockage alarm signal.
Inventors:
Petoshke, Marx
Application Number:
JP2020505183A
Publication Date:
June 17, 2022
Filing Date:
August 03, 2018
Export Citation:
Assignee:
F. HOFFMANN-LA ROCHE AKTIENGESELLSCHAFT
International Classes:
A61M5/168; A61M5/142; G01B7/30; H02P8/38; H02P29/024
Domestic Patent References:
| JP2017038492A |
Foreign References:
| US20120192951 |
Attorney, Agent or Firm:
Osamu Yamamoto
Toru Miyamae
Junichi Matsuo
Shogo Nakamura
Toru Miyamae
Junichi Matsuo
Shogo Nakamura
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