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Non-removable connection system

A connection system and removable technology, which can be used in dialysis systems, connecting tubes, and other medical devices, and can solve problems such as complex production, expensive, and damage to fluid pipelines

Pending Publication Date: 2022-05-27
GAMBRO LUNDIA AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant pointed out some disadvantages affecting the device described in US8882726, from manufacture to ease of use, and the impossibility of using it in combination with blood treatment equipment
In particular, such connector systems can cause twisting of the fluid line during connection, which determines an undesired restriction of the fluid line cross-section, which can reduce drug or blood flow rates or determine damage to the fluid line itself
Furthermore, the structure of the connector includes several undercuts and recesses, which makes production very complicated and therefore expensive

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0168] Connection System 100

[0169] like Figure 1 to Figure 4 As shown, reference numeral 100 relates to a connection system for a medical device: the connection system 100 can be used to connect fluid lines 51 of a medical machine 200, such as a blood therapy device, in particular a dialysis machine, in a fluid-tight manner, wherein, The fluid line 51 may be the blood circuit 50a, the infusion line 54, the monitoring line 55, the access line 52 or the return line 53 of the disposable set 50.

[0170] The connection system 100 includes a first connector 1 such as image 3 exploded view and Figure 3A As shown in the corresponding cross-sectional views in , the first connector comprises a body having a tubular shape and defines an internal channel 7 for the passage of fluid: the body of the first connector 1 and the internal channel 7 are preferably in length Extending along the same fluid flow axis between the connection port 9 and the coupling 2, the connection port is ...

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PUM

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Abstract

A non-removable connection system (100) for a medical device, comprising: a first connector (1) comprising a fluid coupling (2); a second connector (11) comprising a respective fluid coupling portion (12) connectable to the fluid coupling portion (2) of the first connector (1), where the second connector (11) comprises a hook portion (13) and at least one locking protrusion (14). The non-removable connection system (100) further comprises a collar (20) coupled to the first connector (1) and comprising a respective hook portion (23) engageable to the hook portion (13) of the second connector (11) by an engagement rotation (ER) wherein the hook portions (23, 13) prevent axial removal of the collar (20) from the second connector (11) in an engaged configuration. The collar (20) further comprises a respective locking protrusion (24) engageable by engagement rotation to the locking protrusion (14) of the second connector (11); in the coupled configuration, the locking protrusions (24, 14) prevent disengagement rotation of the collar (20) relative to the second connector (11).

Description

technical field [0001] The present invention relates to a non-removable (non-removable) connection system for a medical device, the connection system being particularly configured for connection to a fluid line, such as a blood line, an infusion line or a monitoring line. In particular, the connection system may be connected to the fluid line of the dialysis machine, or may be attached directly to the dialysis machine or directly to the disposable set / accessories of the dialysis machine. The invention also relates to a disposable kit comprising fluid lines of a blood treatment device, such as a dialysis machine, and said connection system. Background technique [0002] Common connection systems for medical purposes are known in the prior art, eg for connecting fluid lines to each other or to medical machines. In blood therapy equipment, such as dialysis machines, connectors are often used to connect fluid lines, eg for connecting return and access lines in a fluid-tight (fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M39/16A61M39/10A61M5/50A61M1/16
CPCA61M39/1011A61M39/165A61M5/5086A61M1/1621A61M2039/1038A61M1/3661A61M60/279A61M60/113A61M60/37F16L37/101F16L37/113
Inventor G·维尔宁
Owner GAMBRO LUNDIA AB
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