Title:
シリンジポンプ
Document Type and Number:
Japanese Patent JP7412330
Kind Code:
B2
Abstract:
The prefilled syringe according to the present disclosure comprises: a liquid medicine; a barrel including a cylindrical body section that contains the liquid medicine, and a nozzle section that is provided on a distal end side of the body section and that discharges the liquid medicine; a cap that seals a distal end opening; a gasket that slides on an inner circumferential surface of the body section; a plunger that can be mounted to the gasket; and an RFID tag that has a fixed location with respect to the outer circumferential surface of the body section and has an antenna for communication and a memory, the antenna being structured from an antenna wire that is wound in a rectangle, wherein an outer diameter of the body section is 14 mm to 33 mm, the maximum circumferential length of the antenna is 9 mm to 25 mm, and the circumferential length of the outer circumferential surface of the body section is 2.0 to 7.0 times the maximum circumferential length of the antenna.
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Inventors:
Yuji Okuda
Shota Sekiguchi
Shota Sekiguchi
Application Number:
JP2020509244A
Publication Date:
January 12, 2024
Filing Date:
March 27, 2019
Export Citation:
Assignee:
Terumo Corporation
International Classes:
A61M5/145
Foreign References:
| WO2003024385A1 | ||||
| WO2007032341A1 | ||||
| WO2017038483A1 | ||||
| WO2006006643A1 | ||||
| WO2007116863A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yoshiaki Irobe
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yoshiaki Irobe