Drug Administration

A drug delivery and medicament technology, applied in the field of drug delivery mechanism, can solve problems such as the inability to accurately detect pressure changes, and achieve the effect of suppressing detection errors and accurate detection

Active Publication Date: 2020-02-11
NITTO DENKO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, depending on the tube attached to the drug delivery mechanism, it may not be possible to accurately detect pressure changes.

Method used

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Embodiment Construction

[0029] Next, an embodiment of the present invention will be given and described. The drug delivery mechanism 1 of the present embodiment includes a main body 2 and a disposable part (a pump unit or a pump unit for a drug delivery mechanism) 3 detachable from the main body 2 . Such as figure 1 As shown, this administration mechanism 1 is installed in the middle of an administration route F from a medicine container F1 such as an infusion bag to a patient P. As shown in FIG.

[0030] Such as figure 2 As shown in (a) to (d), the main body 2 is a part for holding the disposable part 3 and performing various detections, controls, and managements. In the disposable part 3 held in the main body 2, such as figure 1 Medication container side tubing F2 and patient side tubing F5 are connected as shown. In addition, although illustration is abbreviate|omitted for convenience of description, the front side of the main body 2 is equipped with the cover part which can be opened and clo...

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PUM

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Abstract

The invention relates to a drug delivery mechanism, comprising a main body (2) and a disposable part (3) that can be disassembled relative to the main body (2). The disposable part (3) is equipped with: a pump that sucks medicine from a medicine container and discharges it to a patient; A suction side tube (33) extending from the pump to the drug container side; a discharge side tube (34) extending from the pump to the patient side; and connectors (331, 341) located between the suction side tube (33) and the discharge side tube ( At least one tip of 34), the main body (2) is equipped with a sensor (24) at a position corresponding to the suction side pipe (33) or the discharge side pipe (34) attached to the main body (2).

Description

technical field [0001] The present invention relates to an administration mechanism for administering a liquid medicine filled in a medicine container to a patient. Background technique [0002] As an administration mechanism for administering a liquid medicine (medicine solution) filled in a medicine container to a patient, there is an infusion system described in Patent Document 1, for example. This infusion system includes a pump module including a pump for delivering a drug solution from a drug container to a patient. Patent Document 1 describes that the pump module can be made disposable (throw away after use). [0003] Here, a sensor is provided in order to detect the liquid feeding state. An example of such a sensor is a pressure sensor that detects a change in pressure inside the tube from a change in the diameter of the tube in order to grasp that the tube through which the liquid medicine passes is occluded. [0004] However, when applying this example of the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/142A61M5/168
CPCA61M5/142A61M5/168A61M2205/3351A61M2205/3355A61M5/14224A61M5/16854A61M5/16881A61M5/365A61M2205/0244A61M2205/18A61M2205/3334A61M2005/14268A61M2205/3317A61M2205/587A61M2205/8206
Inventor 水谷道辻孝筱原广之
Owner NITTO DENKO CORP
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