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Ivc filter retrieval system sheath improvements

A technology of equipment and extensions, applied to filters in blood vessels, medical science, surgery, etc., can solve the problems of lost direction and difficulty in retrieving filters

Inactive Publication Date: 2018-10-23
ALTAI MEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem still prevails because the device is not anchored into the IVC in a stable manner
Constant blood flow other than blood clots can disorient the filter within the IVC, making it difficult to recapture

Method used

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  • Ivc filter retrieval system sheath improvements
  • Ivc filter retrieval system sheath improvements
  • Ivc filter retrieval system sheath improvements

Examples

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Embodiment Construction

[0017] Hereinafter, various exemplary embodiments are described. With reference to these examples in a non-limiting sense, it should be noted that these examples are provided to illustrate more broadly applicable aspects of the devices, systems and methods. Various changes may be made to these embodiments, and equivalents may be substituted, without departing from the true spirit and scope of the various embodiments. In addition, many modifications may be made to adapt a particular situation, material, composition of matter, process, process action(s) or step(s) to the purpose(s) of the invention, spirit or range. All such modifications are intended to come within the scope of the claims made herein.

[0018] Figure 1A A temporary IVC filter 10 from GÜNTHER TULIP (Cook Medical, Inc.) is shown with a hook 12 end interface for retrieval. Such as Figure 1B As shown in , for the IVC filter 20, the hook can be modified or replaced by a knob-type interface 22. The nodules may...

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PUM

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Abstract

Funnel-trap type delivery and / or retrieval devices for Inferior Vena Cava (IVC) filters or other medical implants are described with associated sheaths. The sheaths are used in progressive recapture and / or embolic protection methods or in association with such features.

Description

technical field [0001] Embodiments described herein relate to intravascular temporary inferior vena cava (IVC) filter or other implant retrieval devices or systems and methods. Background technique [0002] The temporary IVC filter is placed very similar to the permanent filter, but is designed so that it can be retrieved in a separate endovascular procedure, essentially via the femoral or internal jugular vein approach. Most currently available temporary filters include hooked features that can be used to capture and receive them within a catheter or sheath for removal by employing a gooseneck snare or a multi-loop snare . [0003] Although in principle recovery is a simple procedure, it is often faced with the difficulty of catching the filter's hook with the snare loop(s). Such difficulties are compounded when the filter is skewed or unbalanced in placement. Several filters are designed to avoid such orientation. However, the problem still prevails because the device ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/01
CPCA61F2/011A61F2/0105A61B2017/22035
Inventor N.德比尔T.鲁瓦尔卡巴K.哈尔登F.贝金
Owner ALTAI MEDICAL TECH
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