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Insertion device

A technology for inserting devices and inserting directions, which can be used in blood characterization devices, medical science, diagnosis, etc., and can solve problems such as medical device detachment, peeling, and medical device difficulty

Pending Publication Date: 2021-09-10
TERUMO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, if the adhesion is too weak, the medical device will be detached from the insertion member before the medical device is arranged at the desired position, making it impossible to leave the medical device at the desired position in the living body
Conversely, if the adhesion is too strong, the medical device is difficult to peel off from the insertion member, and in this case, it becomes impossible to leave the medical device at a desired position in the living body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0034] Figure 1 ~ Figure 4 It is a figure which shows the insertion device 1 which is 1st Embodiment of the insertion device of this disclosure. In addition, see below for details, but Figure 1 ~ Figure 4 The outline of the operation of the insertion device 1 when the insertion device 1 is used to insert and indwell the medical device 100 in the living body is shown respectively. Figure 1 ~ Figure 4 The illustrated insertion device 1 is capable of inserting a sensor 100a as a medical instrument 100 into a living body. Hereinafter, in this embodiment, the insertion device 1 for inserting the sensor 100a as the medical device 100 into the living body will be described as an example, but the medical device 100 inserted into the living body by the insertion device 1 is not limited to the sensor 100a. Therefore, an insertion device for inserting a tube member such as a cannula other than the sensor may be used.

[0035] Such as Figure 1 ~ Figure 4 As shown, the insertion de...

no. 2 approach

[0086] Figure 8 It is a perspective view showing the needle part 11 of the needle member 2, the moving part 21 of the moving member 3, and the sensor 100a in the insertion device of the second embodiment different from the above-mentioned insertion device 1. Regarding the configuration of the second embodiment, the same points as those of the first embodiment will be appropriately omitted and described. For example, in the second embodiment, the configuration of the sensor 100a serving as the medical device 100 is the same as that of the first embodiment, and thus detailed description thereof will be omitted.

[0087] The schematic structure of the insertion device of this embodiment is the same as that of the insertion device 1 of the first embodiment. Therefore, when the insertion device of this embodiment is not distinguished from the insertion device 1 of the first embodiment, it is only described as "the insertion device 1" and referred to as appropriate. figure 1 ~ Fi...

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Abstract

This insertion device for inserting a medical instrument into a living body is provided with: a needle part to which at least a part of the medical instrument is affixed and which is inserted into the living body together with the affixed medical instrument; and a moving part capable of moving relative to the needle part in the direction of insertion of the needle part, the moving part moving relative to the needle part in the direction of insertion, thereby cutting off the region of attachment between the medical instrument and the needle part and separating the medical instrument from the needle part.

Description

technical field [0001] The present disclosure relates to insertion devices. Background technique [0002] Conventionally, there have been cases where medical devices such as sensors are embedded in the living bodies of subjects such as patients. As an example, a sensor is embedded in the living body of a subject to detect an analyte (for example, glucose, pH, cholesterol, protein, etc.) in blood or body fluid of the subject. In this case, an insertion device is used to penetrate the skin of the subject to quickly and easily embed the sensor in the living body (see Patent Document 1). In the insertion device described in Patent Document 1, the sensor is inserted into the living body together with the needle, the sensor is left indwelling, and only the needle is pulled out of the living body. [0003] Patent Document 1: Japanese PCT Publication No. 2019-507613 [0004] In Patent Document 1, in order to embed a sensor in a living body, an insertion member and a medical devic...

Claims

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Application Information

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IPC IPC(8): A61B5/145
CPCA61B5/14503A61B5/14532A61B5/14546A61B5/14539A61B5/1473A61B5/14542A61B5/6848A61B2560/0412A61B5/688
Inventor 秋山毅
Owner TERUMO KK