Stent removal snare and dilator
OwnerMichael Moorevilleinventor
Life of this patent
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Abstract
A tool for removing non-visually, urinary tract stents placed within the urinary tract of a patient, comprising a distal end, a longitudinally-extending stem, and a handle. The distal end has a conical head with a groove for hooking a stent, stent string or similar stent configuration. The snare head may have a channel for advancing the tool through a urethra over a guide wire. The snare head has a narrow conical front end for dilating urethral strictures. The stem connects the snare head to the snare handle and is made to be flexible or bend on encountering resistance.
Claims8
A ureteral stent snare system for removing urinary tract stents, the ureteral stent snare system comprising:
- a ureteral stent comprising a bladder curl;
- and
- a stent snare comprising:
- a. a conical head for hooking the ureteral stent, the conical head comprising:
- i. a dilating front end for dilating a urethra as the stent snare passes through the urethra, li. a base end opposite the front end, the base end comprising a snare hook having—an interior surface and an exterior surface forming a fixed groove across the base end, wherein the groove is capable of being at different angles to a longitudinal axis of the stent snare, and wherein the conical head is constructed of one solid piece of material, and wherein the snare hook is configured to hook onto the bladder curl residing in a patient's bladder,
- b. a handle for controlling the passage of the conical head through the urethra;
- and
- c. a stem longitudinally extending from the conical head to the handle, wherein the handle, the stem, and the conical head form a unitary tool, wherein the stem is inserted off center on the conical head.
Dependencies are inferred from the claim text.