OVERTUBES FOR EUS FNA DRAINAGE
First Claim
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1. A device for performing multiple medical procedures, comprising:
- a needle extending from a proximal end which remains external to a body during use to a sharpened distal end configured for insertion to a target site within a body via a body lumen;
a sheath slidably receivable over the needle, the sheath extending from a proximal end which remains external to the body during use to a distal end; and
a stent slidably received over the sheath, the stent including an anchoring mechanism configured for anchoring in a desired position within the body lumen.
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Abstract
A device for performing multiple medical procedures comprises a needle extending from a proximal end which remains external to a body during use to a sharpened distal end configured for insertion to a target site within a body via a body lumen. A sheath is slidably receivable over the needle, the sheath extending from a proximal end which remains external to the body during use to a distal end. A stent is slidably received over the sheath, the stent including an anchoring mechanism configured for anchoring in a desired position within the body lumen.
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Citations
29 Claims
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1. A device for performing multiple medical procedures, comprising:
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a needle extending from a proximal end which remains external to a body during use to a sharpened distal end configured for insertion to a target site within a body via a body lumen; a sheath slidably receivable over the needle, the sheath extending from a proximal end which remains external to the body during use to a distal end; and a stent slidably received over the sheath, the stent including an anchoring mechanism configured for anchoring in a desired position within the body lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device for performing fine-needle aspiration, comprising:
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a needle extending from a proximal end which remains external to a body during use to a sharpened distal end configured for insertion to a target site within a body via a body lumen; a sheath slidably receivable over the needle, the sheath extending from a proximal end which remains external to the body during use to a distal end; and an anchoring mechanism slidably received over the sheath, the anchoring mechanism including an anchoring element at a distal end thereof to anchor the needle in a desired position within the body lumen to act as a guide over which a therapeutic instrument may be advanced to treat tissue adjacent to the target site. - View Dependent Claims (15, 16, 17)
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18. A method for inserting a diagnostic instrument into a living body, comprising:
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inserting a flexible needle through a body lumen into target portion of tissue within a living body to obtain a sample of target tissue; inserting a sheath coaxially over the needle along a path created by the needle, the sheath having a proximal end which remains external to the body and a distal end having an opening to permit slidable movement of the needle distally therefrom; and deploying a therapeutic device from a distal portion of the sheath to treat tissue adjacent to the target tissue. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification