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Connector, tube assembly, infusion tube set, and container for medical use

A technology of connectors and pipe fittings, applied in other medical devices, etc., can solve the problems of improper connector position, easy release, poor operability, etc.

Inactive Publication Date: 2010-02-17
TERUMO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for example, when the mutual positional accuracy (dimensional accuracy) of the connector and the board is low, the position between adjacent connectors may be misaligned, and there is a problem that these connectors cannot be reliably connected.
In addition, there is also a problem that if the adjacent connectors cannot be reliably connected, the fitting of one external connection part and one internal connection part is easily released, that is, one external connection part and one The female connection is not connected to allow fluid flow
In addition, there is a problem of poor operability (decrease) in attaching and detaching between two connector assemblies

Method used

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  • Connector, tube assembly, infusion tube set, and container for medical use
  • Connector, tube assembly, infusion tube set, and container for medical use
  • Connector, tube assembly, infusion tube set, and container for medical use

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0091] Figure 1 ~ Figure 3 Perspective views respectively showing the first embodiment of the connector of the present invention, Figure 4 as well as Figure 5 are along figure 1 A cross-sectional view of line A-A in, Image 6 is along figure 2 The cross-sectional view of the B-B line in, Figure 7 is to have such figure 1 ( figure 2 as well as image 3 The perspective view of the valve body (sealing part) of the connector shown in the same), Figure 8 is along figure 1 The profile of the C-C line in, Figure 9 is along image 3 The cross-sectional view of the D-D line in, Figure 27 is a top view of the infusion tube assembly of the present invention, Figure 28 is that if Figure 27 A top view of the state where each infusion tube of the infusion tube assembly shown is connected, Figure 29 is like Figure 28 A perspective view of two connected connectors of the present invention in the shown infusion tube assembly.

[0092] Moreover, for convenience of d...

no. 2 approach

[0233] Figure 10 as well as Figure 11 Each is a longitudinal sectional view showing a second embodiment of the present invention.

[0234] Hereinafter, a second embodiment of the connector of the present invention will be described with reference to these drawings, and the description will focus on the differences from the above-mentioned embodiment, and the description of the same matters will be omitted.

[0235] This embodiment is the same as the above-mentioned first embodiment except that the form of the sealing member is different.

[0236] Such as Figure 10 as well as Figure 11 As shown, an O-ring (sealing member) 58 is fixed along an inner peripheral surface 734 of the connection port 732 (first inner cavity portion 731 ) of the inner connector portion 7B of the connector 5B. The vertical cross-sectional shape of this O-ring 58 is circular.

[0237] On the inner peripheral surface 734 of the connection port 732 of the inner connector part 7B, an annular recess...

no. 3 approach

[0245] Figure 12 as well as Figure 13 Each is a longitudinal sectional view showing a third embodiment of the connector of the present invention.

[0246] Hereinafter, a third embodiment of the connector of the present invention will be described with reference to these drawings, and the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.

[0247] This embodiment is the same as the above-mentioned first embodiment except that the form of the sealing member is different.

[0248] Such as Figure 12 as well as Figure 13 As shown, in the connector 5C, the valve body 51 as provided in the connector 5A of the above-mentioned first embodiment is omitted. In addition, a valve body (sealing member) 51A is fixed to the opening 71 of the inner connector portion 7B of the connector 5C.

[0249] The valve body 51A has a fixing portion 516 whose edge portion is fixed to the opening portion 71 , and a co...

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PUM

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Abstract

The present invention provides a connector which comprises the following components: an exterior connector part with an inner chamber part; and an inner connector part which comprises an inner chamberpart and can be connected to other exterior connector parts that are same to the exterior connector part. The connector comprises the following components: an exterior fixing part; and an inner fixing part which can be connected to other fixing parts that are same to the exterior fixing part. When the connector becomes the fixing state that the inner fixing part is connected to other fixing parts, the inner connector part and the inner chamber part of other connector part are communicated with each other and are connected with a mode that the liquid can circulate.

Description

technical field [0001] The invention relates to a connector, a pipe fitting assembly, an infusion tube assembly and a medical container. Background technique [0002] In medical devices that must connect liquid flow paths for infusion, blood transfusion, nutrition, etc., when liquid medicine, blood, liquid food, etc. flow continuously or temporarily, it is necessary to perform liquid flow paths (circuits) as needed. ) connection and disconnection. It is well known that at this time, a connecting device for interconnecting the liquid flow paths is installed in the middle of the circuit. [0003] Typical examples of such connectors include three-phase plug valves (connectors). The connector consists of an external connection part and two internal connection parts. When a circuit is formed using a plurality of connectors, the connection (formation) of the circuit is performed by fitting one external connection part and one internal connection part. At this time, in order to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M39/02
Inventor 菱川资文横田崇之
Owner TERUMO KK
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