Sacral Neuromodulation Tined Lead Kit
Tined lead kit · Tined lead · Permanent lead · InterStim lead kit · InterStim SureScan MRI lead kit · Lead introducer kit
The tined lead is a thin coiled wire with four electrodes near its tip, numbered 0 to 3, and four rows of soft plastic tines just behind them. The other end has four contacts that plug into the generator. It comes with a stylet, a thin directional guide wire with depth marks, and a lead introducer: a dilatorDY-lay-terAn instrument used to stretch or widen an opening, canal or passage in the body.Full entry inside a clear sheathSHEETHA covering that wraps around a structure; in procedures, a short hollow tube left in a blood vessel to pass catheters through.Full entry with a T handle and a markerMAR-kerSomething that can be measured, such as a substance in the blood, that shows a disease or body process is present.Full entry at the sheath tip.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Places the permanent sacralSAY-krulHaving to do with the sacrum, the triangle-shaped bone at the base of the spine between the hip bones.Full entry nerve lead after the foramen needle finds S3. The directional guide goes through the needle and the needle comes out over it. After a small stab cut, the dilatorDY-lay-terAn instrument used to stretch or widen an opening, canal or passage in the body.Full entry and sheathSHEETHA covering that wraps around a structure; in procedures, a short hollow tube left in a blood vessel to pass catheters through.Full entry are passed over the guide into the foramen; the guide and dilator come out and the sheath stays. The lead, with its stylet, goes through the sheath until its electrodes show on fluoroscopyfloo-ROS-kuh-peeAn x-ray method that shows moving pictures of the inside of the body in real time.fluor/o glowing (from the fluorescent screen)-scopy looking, viewingFull entry , each electrode is tested with the external stimulator, and the sheath is backed out so the tines open and hold the lead. The lead end is then tunneled to the generator pocket, or in a staged case to a temporary extension for the trial.
Lengths and variants
Stylets come straight or curved. A curved stylet bends the tip so the lead can follow the S3 nerve.
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
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- During the case
Caution
What not to do with it, and why.Pro
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2 sources
- Rothrock. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 15 (Genitourinary Surgery), p. 505-506
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 100 (Sacral Neuromodulation), p. 804, 809-811
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