1
Howard J Leonhardt: Pro-cell intra-cavity therapeutic agent delivery device. World Medical Manufacturing Corporation, Paul F Bawel, December 2, 1997: US05693029 (189 worldwide citation)

A flexible and kink-proof intra-cavity delivery catheter for precise placement and injection of therapeutic agent(s) into and/or through the wall of a body cavity at a precise treatment site with even distribution throughout. One or more needle assemblies are disposed around a calibrated balloon whi ...


2
Lalith Hiran Wijeratne, Timothy Wade Lostetter, Trevor Greenan: Apparatus for delivering an endoluminal prosthesis. World Medical Manufacturing Corporation, Sterne Kessler Goldstein & Fox P L L C, September 11, 2001: US06287315 (188 worldwide citation)

The present invention relates to an apparatus for deploying and endoluminal prosthesis. The apparatus includes a flexible compressible push rod that allows the catheter to be easily maneuvered through tortuous vessels while providing sufficient deployment force.


3
Howard J Leonhardt: Delivery system for deployment and endovascular assembly of a multi-stage stented graft. World Medical Manufacturing Corporation, Sterne Kessler Goldst & Fox P L L C, August 28, 2001: US06280467 (138 worldwide citation)

A multi-stage stent graft for implantation into a blood vessel is disclosed. Each stage or layer may comprise radially compressible spring stents with or without a fabric covering, or may comprise a foamed tube. The various stages or layers may also have an adhesive coated thereon. The multi-stage s ...


4
Howard J Leonhardt, Syde A Taheri, Trevor Greenan: Endoluminal prosthesis. World Medical Manufacturing Corporation, Sterne Kessler Goldstein & Fox P L L C, January 1, 2002: US06334869 (127 worldwide citation)

An apparatus and method for engrafting a blood vessel are disclosed. The apparatus includes a tubular graft having radially compressible annular spring portions for biasing proximal and distal ends of the graft into conforming fixed engagement with an interior surface of the vessel, with bifurcated ...


5
Trevor Greenan, Howard Leonhardt: Tubular graft with monofilament fibers. World Medical Manufacturing Corporation, Sterne Kessler Goldstein & Fox P L L C, February 5, 2002: US06344052 (104 worldwide citation)

A thin-walled prosthesis is provided that includes a tubular graft formed of a monofilament fiber. The graft has sufficient strength and durability to withstand loads applied during deployment and while implanted and sufficiently low permeability to prevent excessive leakage of body fluids through t ...


6
Howard J Leonhardt, Syde A Taheri, Trevor Greenan: Method for engrafting a blood vessel. World Medical Manufacturing Corporation, February 8, 2005: US06852116 (47 worldwide citation)

A method for deploying an endoluminal prosthesis by introducing into a bifurcated vessel a sheath introducer having therein a bifurcated graft with a primary and contralateral limb. The contralateral limb being radially retained independent of the sheath introducer. The graft being positionable by a ...


7
Howard J Leonhardt: Pulmonary artery polyurethane balloon catheter. World Medical Manufacturing Corporation, John M Brandt, December 6, 1994: US05370618 (47 worldwide citation)

A self centering, low profile, low inflation pressure pulmonary artery polyurethane balloon catheter having a reduced neck section and a balloon disposed within the neck section such that the balloon is flush with the catheter body in the deflated state and extends beyond the distal end of the cathe ...


8
Howard J Leonhardt, Syde A Taheri, Trevor Greenan: Apparatus for engrafting a blood vessel. World Medical Manufacturing Corporation, Sterne Kessler Goldstein & Fox P L L C, July 27, 2004: US06767358 (39 worldwide citation)

The present invention relates to an apparatus for deploying and endoluminal prosthesis. The apparatus includes a flexible compressible push rod that allows the catheter to be easily maneuvered through tortuous vessels while providing sufficient deployment force.


9
Howard J Leonhardt: Radiation delivery catheter. World Medical Manufacturing Corporation, Sterne Kessler Goldstein & Fox P L L C, November 21, 2000: US06149575 (13 worldwide citation)

A radiation delivery catheter with inflatable chambers which provide a layer of radiation of minimum effective dose possible to be delivered as close as possible to the origin of disease within a blood vessel. The device can be centered within the true lumen of a vessel to provide even dispersion of ...


10
Howard J Leonhardt: Vibrational enhancement of intravenous gas exchanging devices and long-term intravenous devices. World Medical Manufacturing Corporation, Paul F Bawel, August 4, 1998: US05788668 (2 worldwide citation)

A method whereby a programmable signal source produces a desired output signal which is transferred by a conduit means or conducting means into a patient by percutaneous venous insertion. The output signal is either vibrational or electrical. If vibrational, the conduit means or one or more transduc ...