Retrieval device
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Accused Products
Abstract
A device for retrieval of a foreign body, such as an undeployed stent from a vessel of a patient, has a central shaft for receiving a guidewire therein. A balloon support extends from the central shaft and has a free end carrying an inflatable balloon. The inflatable balloon is arranged to expand inwardly towards the central shaft on inflation, so as in use to bear against the outer circumference of the stent and hold the stent against the central shaft. The combined stent and device can then be withdrawn from the vessel.
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Citations
30 Claims
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1-15. -15. (canceled)
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16. A device for retrieval of a foreign body from a vessel of a patient, said device comprising:
- a flexibly resilient central shaft having an axial channel for receiving a guidewire therein;
balloon support means extending from said central shaft and having a free end spaced therefrom; and
inflatable balloon means provided at said free end and arranged to expand inwardly towards said central shaft upon inflation;
whereby in use said device is positioned such that a foreign body to be retrieved is located between said free end and said central shaft, and said balloon means is subsequently inflated to bear against the foreign body and hold it against said central shaft, such that the combined foreign body and device can be withdrawn from the vessel. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
- a flexibly resilient central shaft having an axial channel for receiving a guidewire therein;
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30. A device for retrieval of an undeployed stent from a vessel of a patient, which device comprises:
- a central shaft having an axial channel for receiving an angioplasty guidewire therein;
balloon support means extending from said central shaft and having a free end spaced therefrom; and
inflatable balloon means provided at said free end and arranged to expand inwardly towards said central shaft upon inflation;
whereby in use the device is positioned such that an undeployed stent is located between said free end and said central shaft, and said balloon means is subsequently inflated to bear against the outer circumference of the stent and hold the stent against said central shaft, such that the combined stent and device can be withdrawn from the vessel.
- a central shaft having an axial channel for receiving an angioplasty guidewire therein;
Specification