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Catheter system

A catheter and dual-lumen catheter technology, applied in the field of catheter systems, can solve the problems of unfavorable long-term contact of X-ray materials, and the body is not very friendly.

Pending Publication Date: 2020-10-02
BRIDGEWORKS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The use of such radiopaque X-ray markers that can be identified by X-ray equipment may be disadvantageous due to the radiopaque material touching and in contact with the body
Furthermore, such conventional X-ray marking only makes visible a small area, specifically the area of ​​the X-ray marking ring
The radiopaque materials used especially may not be very body friendly
Especially in the case of long-term catheters that remain in the body for days, weeks or even months, permanent contact between the X-ray material and the body can be detrimental

Method used

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  • Catheter system

Examples

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Embodiment Construction

[0022] figure 1 Overall, the distal region 12 of the catheter system 10 is shown, which firstly includes a catheter 14 designed as a dialysis catheter, which is designed for insertion into a blood vessel.

[0023] The proximal region of catheter system 10 is not shown. The proximal region (not shown) of the catheter 14 is designed for connection to a dialyzer via the vasculature in order to purify the drawn blood and to supply the purified blood to the patient. The proximal region of the catheter 10 can be designed in particular as in one of the embodiments disclosed in DE 10 2017 118 820.7, the disclosure content of which is fully incorporated into the present application by reference.

[0024] The conduit 14 has a circular cross-sectional profile with an outer wall 17 . Furthermore, the conduit 14 has a central wall 18 extending along the longitudinal axis and forming a central plane. The central wall 18 divides the interior of the catheter into a first lumen 20 designed ...

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Abstract

The invention relates to a catheter system (10) for introducing and positioning a double-lumen catheter (14), in particular a dialysis catheter, in a blood vessel, comprising a double-lumen catheter having a distal catheter tip (40), having a first lumen (20) and a second lumen (22), a first mandrel (36) extending through the first lumen and a second mandrel (42) extending through the second lumen, both mandrels of the catheter being designed to be radioopaque. The distal end (44) of the second mandrel is arranged at a distance (X) in the proximal direction from the distal catheter tip, the distance between the distal catheter tip and the distal end of the second mandrel corresponding in particular to a functional catheter tip length.

Description

technical field [0001] The invention relates to a catheter system for inserting and positioning a double lumen catheter, in particular a dialysis catheter, in a blood vessel. The catheter system includes a dual lumen catheter having a distal catheter tip, the dual lumen catheter having a first lumen and a second lumen. The catheter system also includes a first stylet extending through the first lumen and a second stylet extending through the second lumen. Background technique [0002] Such catheter systems are known from the prior art. A fine stylet (also known as a stylet) is a tool used to insert a catheter into a blood vessel. In the case of a double-lumen catheter as used in particular in dialysis, a fine stylet is inserted through both lumens. A fine stylet is used to stabilize the catheter from buckling, allowing the catheter to be safely inserted into the blood vessel. In addition, the thin probe in the lumen prevents air from penetrating into the blood vessel and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/01A61M1/28A61M25/00
CPCA61M1/285A61M25/0102A61M25/0108A61M2025/0031A61M2205/32A61M1/3661A61M25/0017A61M25/003A61M25/0071
Inventor 迪特尔·塞登伯格
Owner BRIDGEWORKS LTD
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