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Systems, devices, and methods for retrieval systems having a tether

A technology for tethered, medical devices, applied in the field of retrieval devices, which can solve the problems of filter orientation changes, difficult recapture, etc.

Inactive Publication Date: 2019-08-23
ALTAI MEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, this problem is still prevalent because the device is not anchored into the IVC in a stable manner
In addition to blood clots, continued blood flow can change the orientation of the filter within the IVC, making recapture difficult

Method used

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  • Systems, devices, and methods for retrieval systems having a tether
  • Systems, devices, and methods for retrieval systems having a tether
  • Systems, devices, and methods for retrieval systems having a tether

Examples

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Embodiment Construction

[0017] Various exemplary embodiments are described below. Reference is made to these examples in a non-limiting manner, as it should be noted that they are provided to illustrate more broadly applicable aspects of the apparatus, 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 to the objective(s), spirit or scope of the invention. All such modifications are intended to come within the scope of the claims presented here.

[0018] 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 purpose of d...

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PUM

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Abstract

The embodiments described relate to retrieving temporary Inferior Vena Cava (IVC) filters and other endovascular implants or foreign bodies. Features are provided for effective actuation in closing aninner aperture of the embodiments.

Description

technical field [0001] Embodiments described herein relate to retrieval devices, and some embodiments relate to systems and methods for intravascular temporary inferior vena cava (IVC) filters. Background technique [0002] Temporary IVC filters are placed like permanent filters, but are designed so that they can be retrieved in a separate endovascular procedure, usually from the femoral or internal jugular access. Most currently available temporary filters include a hooked feature by which they can be captured and received in a catheter or sheath for removal by employing a gooseneck snare or a multi-loop snare. [0003] Although retrieval is in principle a simple procedure, difficulties are often encountered with capturing the filter's hook with the snare loop(s). This difficulty is compounded when the filter is tilted or placed out of balance. Several filters have been designed to avoid this orientation. [0004] However, this problem is still prevalent because the devi...

Claims

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Application Information

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IPC IPC(8): A61F2/01A61B17/50
CPCA61F2230/005A61F2230/0067A61B2017/22035A61B17/50A61F2002/016A61B2017/00623A61F2/011A61B2017/00367A61F2/01
Inventor K.斯特科N.德比尔K.霍尔登T.鲁瓦尔卡巴F.贝金
Owner ALTAI MEDICAL TECH
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