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Ivc filter retrieval systems with multiple capture modes

A tether, device technology, applied in the field of intravascular temporary inferior vena cava filter, which can solve the problems of difficult recapture, filter disorientation, etc.

Active Publication Date: 2018-11-09
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 systems with multiple capture modes
  • Ivc filter retrieval systems with multiple capture modes
  • Ivc filter retrieval systems with multiple capture modes

Examples

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Embodiment Construction

[0021] Various exemplary embodiments are described below. Reference is made to these examples in a non-limiting sense, as 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 scope. All such modifications are intended to come within the scope of the claims made herein.

[0022] Before the present subject matter is described in detail, it is to be understood that this disclosure is not limited to particular example embodiments described, as such may, of course, vary. It is also to be understood that the terminology used herein is for the purpos...

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PUM

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Abstract

Funnel-trap type delivery and / or retrieval devices for temporary Inferior Vena Cava (IVC) filters or other medical implants or foreign bodies are described. These may employ a locking sheath or a proximal-aperture capture feature or features for IVC filter (or other device) retrieval.

Description

technical field [0001] Embodiments described herein relate to intravascular temporary inferior vena cava (IVC) filters, other implants, or other foreign body retrieval devices or systems and methods. Background technique [0002] Temporary IVC filters are placed much like permanent filters, but are designed so that they can be retrieved generally via the femoral or internal jugular vein route in a separate endovascular procedure. Most currently available temporary filters include hooked features by which they can be captured and received 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, difficulties are often faced when utilizing the snare loop(s) to capture the filter's hook. Such difficulties are exacerbated when the filter is tilted or unbalanced in placement. Several filters are designed to avoid such orientation. However, the problem still prevails because the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/01
CPCA61F2002/016A61F2230/0023A61F2230/005A61F2/0105A61F2/011
Inventor T.鲁瓦尔卡巴F.贝金K.哈尔登
Owner ALTAI MEDICAL TECH
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