Ureteral stents and related methods
First Claim
Patent Images
1. A medical device for use within a body cavity, the medical device comprising:
- an elongated body portion defining a lumen, said body portion comprising a proximal end, a distal end, a proximal portion, and a distal portion; and
, a retention module disposed proximal to said proximal end of said elongated body portion, said retention module comprising a fixation element attached to the elongated body portion by a tether connector.
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Abstract
A medical device for use within a body cavity comprising an elongated body portion and a retention module. The retention module comprises a fixation element and a tether connector. The tether connector and fixation element permit the device to move a predetermined distance longitudinally. The tether connector reduces ureteral reflux, and minimizes irritation and patient discomfort. The fixation element and the tether connector further function as a graspable structure for removal of the stent.
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Citations
26 Claims
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1. A medical device for use within a body cavity, the medical device comprising:
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an elongated body portion defining a lumen, said body portion comprising a proximal end, a distal end, a proximal portion, and a distal portion; and
,a retention module disposed proximal to said proximal end of said elongated body portion, said retention module comprising a fixation element attached to the elongated body portion by a tether connector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of treating at least partial ureteral obstruction of a patient, comprising:
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a. providing a medical device comprising an elongated body portion defining a lumen, the body portion comprising a proximal end, a distal end, a proximal portion, and a distal portion, the medical device further comprising a retention module disposed proximal to said proximal end of the elongated body portion, said retention module comprising a fixation element attached to the elongated body portion by a tether connector; and
b. inserting the medical device into the patient such that said fixation element is positioned in the bladder of the patient. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A medical device for use within a body cavity, the medical device comprising:
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an elongated body portion defining a lumen, said elongated body portion comprising a proximal end, a distal end, a proximal portion and a distal portion and said elongated body portion including a plurality of pores, said distal portion comprising a planar spiral; and
,at least one retention module attached to said proximal end of said elongated body portion, said retention module comprising at least one buoyant, spherical fixation element attached to the proximal end of said elongated body portion by a substantially elastic tether connector.
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Specification