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US 12,702,804 B2Granted
Ureteral stent
AssigneeGyrus ACMI, Inc.
InventorsThomas J. Holman, Hui Tang, Judy L. Walish
Life of this patent
Estimating the term…
Abstract
Disclosed herein is ureteral stent. The ureteral stent includes a proximal end, a distal end, and a middle portion. The proximal end includes a retention feature having a coiled shape. The distal end is opposite the proximal end. The middle portion is between the proximal end and the distal end.
Claims17
A ureteral stent comprising:
- a first end of the ureteral stent comprising a retention feature having a coiled tube;
- a second end of the ureteral stent opposite the first end;
- and
- a middle portion between the first end and the second end,
- wherein the retention feature comprises the coiled tube surrounding the first end in a spiraled fashion, and
- wherein the first end is configured to be located in a kidney of a patient, where a proximal end of the coiled tube has a fluid entrance aperture into the coiled tube, and wherein the coiled tube is closed between the fluid entrance aperture and the middle portion.
3 more elements
A ureteral stent comprising:
- a first end of the ureteral stent comprising a retention feature having a coiled tube comprising a retention feature having a coiled portion;
- a second end of the ureteral stent opposite the first end;
- and
- a middle portion between the first end and the second end,
- wherein the retention feature comprises the coiled tube surrounding the first end in a spiraled fashion and extending in a radial direction, and
- wherein the first end is configured to be located in a kidney of a patient, where a proximal end of the coiled tube has a fluid entrance aperture into the coiled tube, and wherein the coiled tube is closed between the fluid entrance aperture and the middle portion.
3 more elements
A ureteral stent comprising:
- a first end of the ureteral stent comprising a retention feature having a coiled tube;
- a second end of the ureteral stent opposite the first end;
- and
- a middle portion between the first end and the second end,
- wherein the retention feature comprises the coiled tube surrounding the first end in a spiral fashion and lying substantially in a plane orthogonal to the middle portion, and
- wherein the first end is configured to be located in a kidney of a patient, where a proximal end of the coiled tube has a fluid entrance aperture into the coiled tube, and wherein the coiled tube is closed between the fluid entrance aperture and the middle portion.
3 more elements
Dependencies are inferred from the claim text.