Fig. 1: UroLift System Components and Procedure.
From: The UroLift implant: mechanism behind rapid and durable relief from prostatic obstruction
The UroLift System is comprised of two main components: (A) the UroLift Delivery Device and (B) the UroLift implant. The delivery device is designed to access the prostatic urethra and deliver one implant through the lobes of the prostate. The implant consists of a Capsular Tab (CT), made from nitinol (nickel titanium alloy), connected by a monofilament polyethylene terephthalate suture to the Urethral End-Piece (UE), made from stainless steel. The materials used in the implant are made of chemically and biologically inactive materials, commonly used in other implants. Details of the PUL procedure are as follows: (C) under cystoscopic guidance the delivery device is introduced through the sheath and is used to compress the prostate lobe. D A 19-gauge needle that houses the implant is deployed through the prostatic lobe and capsule. Upon retraction of the needle, the CT is deposited with a suture under tension. E The implant is secured by deployment of the UE and excess suture is cut. (F) Additional implants are delivered as required. G The glandular stromal tissue of the prostate is compliant and more easily compressed outwardly resulting in the opening of the prostatic urethra.
