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Anchor or staple with barbs

A technology of anchors and barbs, applied in the direction of surgical fixation nails, nails, U-shaped nails, etc., which can solve problems such as difficult removal, time-consuming, and increased health risks

Inactive Publication Date: 2018-03-16
HEARTWARE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some known means of anchoring, such as sutures, can also be time-consuming or difficult to remove
This additional time requirement may also increase the health risks associated with the removal procedure

Method used

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  • Anchor or staple with barbs
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  • Anchor or staple with barbs

Examples

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Embodiment Construction

[0042] The invention is described below with reference to specific embodiments of barbed tissue anchors or nails and associated methods, systems, tools, and other inventions. It should be understood that the basic concepts and novelty of each embodiment can be used in any type of medical procedure that requires one or more devices to be attached to living tissue. Furthermore, although described in connection with living tissue, it is conceivable that the present invention can be used to attach any device to various surfaces.

[0043] As used herein, the term "proximal" means toward living tissue, and "distal" means away from living tissue. As far as the heart is concerned, in some drawings, each of the proximal direction and the distal direction has been marked with a corresponding "P" and "D" arrow. Therefore, the embodiments of the present invention are described as having a proximal-distal axis relative to the orientation of the present invention in an operating state. These...

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Abstract

A tissue anchor (10) includes an elongated body (20) having a proximal end (28) and a distal end (22), and a barb (30) mounted to the elongated body (20) adjacent the proximal end (28) for movement between a retracted position and an extended position in which the barb (30) projects outwardly from the elongated body (20). An anchoring system includes an implantable device (50) with a tissue contacting surface (58) facing in a proximal direction, the tissue anchor (10) having its distal end (22) engageable with the implantable device (50) and its proximal end (28) adapted to project proximallybeyond the tissue contacting surface (58) to grip a living tissue, and a second resilient element (60) that is mounted between the distal end (22) of the anchor (10) and the implantable device (50), the second resilient element (60) being adapted to bias the anchor (10) distally relative to the implantable device (50). Tooling and methods of insertion and removal are provided.

Description

[0001] Cross references to related applications [0002] This application claims the benefit of the filing date of U.S. Provisional Patent Application No. 62 / 183,497 filed on June 23, 2015, the disclosure of which is incorporated herein by reference in its entirety. Technical field [0003] The present invention relates to components and methods for attaching implantable devices to muscle tissue. An exemplary use of the present invention is to attach a ventricular assist device and associated elements (collectively "VAD") to the heart of a living subject. Background technique [0004] Sometimes the heart cannot provide enough pumping capacity to meet the needs of the body. The effects of this deficiency can be alleviated by providing a VAD, which includes one or more mechanical pumps that assist the pumping action of the heart. Like all other components of the VAD, each pump is preferably implantable in the living subject to assist or replace the pumping action of the heart for a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/064A61M1/10A61M1/12A61M60/178A61M60/863
CPCA61B17/064A61B17/0644A61B2017/0435A61B2017/043A61B2017/0464A61B2017/0647A61B2017/00243A61M60/148A61M60/178A61M60/863
Inventor L·L·安德鲁斯
Owner HEARTWARE INC
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