Magnetic retrieval device and method of use
First Claim
1. A retrieval system for securing and recovering a remotely deployed device, said retrieval system comprising a retrieval tool comprising an elongate member having a magnetic coupling at one end thereof, and a frictional engagement structure extending from said end of said elongate member so as to substantially surround a free end of said magnetic coupling, a portion of the remotely deployed device being drawn toward said magnetic coupling and into said frictional engagement structure for entrapment therein.
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Accused Products
Abstract
Apparatus and method for retrieving a remotely located device equipped with a magnetic coupler is provided. The apparatus includes a magnetic coupling carried at an end of an elongate member for attracting the magnetic coupler of the remotely located device, and aligning the magnetic coupler with the magnetic coupling. A frictional engagement device, substantially housing the magnetic coupling therein, is adapted for trapping the magnetic coupler therein such that a retrieval force applied to the apparatus is transferred to the remotely located device via the frictional engagement device to thereby facilitate sure retrieval of the device as by magnetic mechanical entrapment.
182 Citations
29 Claims
- 1. A retrieval system for securing and recovering a remotely deployed device, said retrieval system comprising a retrieval tool comprising an elongate member having a magnetic coupling at one end thereof, and a frictional engagement structure extending from said end of said elongate member so as to substantially surround a free end of said magnetic coupling, a portion of the remotely deployed device being drawn toward said magnetic coupling and into said frictional engagement structure for entrapment therein.
- 20. Apparatus for securing and recovering a remotely deployed device from a mammalian body, said apparatus comprising an elongate retrieval tool having a magnetic coupling at a distal end thereof, and a radially collapsible basket extending therefrom such that said magnetic coupling is substantially surrounded by said radially collapsible basket, a portion of the remotely deployed device being drawn toward said magnetic coupling and into said radially collapsible basket for securement therein.
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29. In a method of conducting minimally invasive medical procedures on a mammalian body, the steps comprising:
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a. providing a retrieval tool comprising an elongate member having a magnetic coupling at an end thereof, and a trap extending therefrom, said magnetic coupling being substantially housed within said trap; and
,b. advancing said retrieval tool toward an indwelling device having a magnetically responsive portion such that the magnetically responsive portion is drawn into said frictional engagement device toward said magnetic coupling, the magnetically responsive portion being trapped within said frictional engagement device so as to permit retrieval of the indwelling device.
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Specification