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Medical connection structure

A medical and structural technology, applied in the direction of sealing surface connection, other medical devices, coupling pipes, etc., to achieve the effect of increasing torque and inhibiting the attachment of torque limiting mechanisms

Active Publication Date: 2022-07-26
KOYO SANGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the medical connection structure of Patent Document 1, due to excessive tightening of the screw-in barrel, the male Luer connector part and the female Luer connector part may be joined with excessive force

Method used

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Examples

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Embodiment Construction

[0062] Below, refer to Figure 1 to Figure 1 0. The medical connection structure according to the first embodiment of the present invention will be described.

[0063] like figure 1 As shown, the medical connection structure has a male component 1 and a female connector 2, both of which cooperate to connect tubes 5 and 5' (first and second medical components) through which liquids such as medical fluid and blood flow. Each component of the male assembly 1 and the female connector 2 are formed of resin.

[0064] First, refer to figure 1 , Figure 2B , the female connector 2 with a simple structure will be described. The female connector 2 is formed in an elongated cylindrical shape, and has a female luer portion 2a at one end portion (front end portion) in the axial direction and a connecting portion 2b at the other end portion (base end portion). The inner surface of the female luer portion 2a is formed into a gentle taper whose diameter increases toward the distal end. ...

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PUM

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Abstract

The present invention provides a medical connection structure. The medical connection structure has a male component (1) and a female connector (2). The male component (1) has a male connector (10) and a screwing cylinder (20). In a state where the female thread (21a) of the screwing cylinder (20) is screwed with the engaging protrusion (2c) of the female connector (2), the screwing cylinder (20) is rotated in the tightening direction, and the male The male luer portion (11) of the connector (10) is engaged with the female luer portion (2a) of the female connector (2). A torque limiting mechanism (50) is arranged between the operation cylinder (30) attached to the outer periphery of the screwing cylinder (20) and the screwing cylinder (20). Engagement teeth (51) are formed on the inner circumference of one end portion of the operating cylinder (30) along the entire circumference. A slit (54) formed only by a linear portion extending from the one end in the axial direction is formed at one end of the screw cylinder (20), and an area adjacent to the slit (54) is provided as an elastic deformation portion (52). The elastic deformation portion (52) is formed with engaging pawls (53) that mesh with the engaging teeth (51).

Description

technical field [0001] The present invention relates to a medical connection structure for connecting medical components such as tubes to each other. Background technique [0002] There are various types of medical connection structures. The medical connection structure of the type disclosed in Patent Document 1, which will be described later, has a male component and a female connector. [0003] The male component includes a male connector, and a screwing barrel rotatably mounted on the male connector. The male connector has a male luer portion whose outer periphery is tapered. The screwing cylinder has a screwing portion located radially outside the male luer portion, and a female thread is formed on the inner circumference of the screwing portion. [0004] The female connector has a female luer portion with a tapered inner periphery, and an engaging protrusion to be screwed with the female thread is formed on the outer periphery of a distal end portion of the female lu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M39/10F16L37/10
CPCF16L19/005F16L19/025A61M2205/0216A61M2039/1033A61M39/1011A61M2039/1083A61M2039/1088
Inventor 岩片真理夫渡边裕树宫崎贵幸
Owner KOYO SANGYO CO LTD
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