A system for treatment of a urethra that is constricted due to BPH comprising: a planning stage device including: a first delivery tube for determining a deployment location and said first delivery tube comprises at its distal end a set of reference markers configured for identifying one or more areas for treatment; and an anchoring element (212/306) shaped and sized to lodge in the neck of a bladder and connected to said first delivery tube; and an execution device for executing the treatment, the execution device comprises: a dilation unit including a dilation element (206/412) to enlarge a lumen in an area to be treated in the deployment location and a second delivery tube attached to the dilation element; a cutter including a blade positionable to form a cut in the inner surface of the tissue of the prostate surrounding the deployment location as indicated by the planning stage device; and an implant carrier releasably connectable to an implant for delivery to the deployment location including a pin operable to release the implant into the cut, wherein the dilation unit is operable before release of the implant; characterised in that said execution device is installed over said first delivery tube; wherein said cutter and said implant carrier are positioned on and externally of said dilation element. a planning stage device including: a first delivery tube for determining a deployment location and said first delivery tube comprises at its distal end a set of reference markers configured for identifying one or more areas for treatment; and an anchoring element (212/306) shaped and sized to lodge in the neck of a bladder and connected to said first delivery tube; and a first delivery tube for determining a deployment location and said first delivery tube comprises at its distal end a set of reference markers configured for identifying one or more areas for treatment; and an anchoring element (212/306) shaped and sized to lodge in the neck of a bladder and connected to said first delivery tube; and an execution device for executing the treatment, the execution device comprises: a dilation unit including a dilation element (206/412) to enlarge a lumen in an area to be treated in the deployment location and a second delivery tube attached to the dilation element; a cutter including a blade positionable to form a cut in the inner surface of the tissue of the prostate surrounding the deployment location as indicated by the planning stage device; and an implant carrier releasably connectable to an implant for delivery to the deployment location including a pin operable to release the implant into the cut, wherein the dilation unit is operable before release of the implant; characterised in that said execution device is installed over said first delivery tube; a dilation unit including a dilation element (206/412) to enlarge a lumen in an area to be treated in the deployment location and a second delivery tube attached to the dilation element; a cutter including a blade positionable to form a cut in the inner surface of the tissue of the prostate surrounding the deployment location as indicated by the planning stage device; and an implant carrier releasably connectable to an implant for delivery to the deployment location including a pin operable to release the implant into the cut, wherein the dilation unit is operable before release of the implant; characterised in that said execution device is installed over said first delivery tube; wherein said cutter and said implant carrier are positioned on and externally of said dilation element.