1
Ronald B Luther: Angioplasty device. Angiobrade Partners, Willie Krawitz, March 17, 1987: US04650466 (693 worldwide citation)

An angioplasty device is disclosed comprising a woven tube of metal or plastic fibers and a retraction stylet that are attached at one end to a catheter tube for insertion into a vein, artery and the like for the removal of plaque and similar material. One or more guide wires or a stylet may be atta ...


2
Ronald B Luther: Connector with one-way septum valve, and assembly. Willie Krawitz, June 27, 1989: US04842591 (306 worldwide citation)

A one-way septum valve in a connector device to maintain sterility is provided. The device prevents the backward flow of blood and body fluids through the connector to an injection device such as a syringe, I.V. unit, and the like.


3

4
Akio Wakabayashi: End-to-side vascular anastomosing stapling device. Willie Krawitz, September 14, 1999: US05951576 (289 worldwide citation)

The stapling device includes an anvil tube with a plurality of radially oriented and outwardly movable segmented arms and associated anvils mounted on the distal end of the segmented arms which are movable within an insertion space. The anvils are conically shaped which enable insertion into a vascu ...


5
Pavel Jordan, Janet Muff, Bernard Strong: Plastic device for injection and obtaining blood samples. Pavel Jordon & Associates, Willie Krawitz, July 25, 1989: US04850973 (203 worldwide citation)

An inexpensive injection device is provided which is manufactured of plastic components, and is adapted to fit various syringe sizes. The injection device is spring loaded, and provides a firing barrel which, in the cocked position, is offset slightly from the central bore of the device.


6
Ronald B Luther: Assembly of stylet and catheter. Luther Medical Products, Willie Krawitz, May 26, 1987: US04668221 (155 worldwide citation)

A grooved stylet having a puncture point aligned with the stylet axis is mounted through a catheter to form an assembly. The aligned puncture point enables more accurate piercing of a vein, and reduces the possibility of double piercing the vein.


7
Michael Reynard: Fiber optic sleeve for surgical instruments. Willie Krawitz, July 29, 1997: US05651783 (138 worldwide citation)

A fiber optic integrated phacoemulsification system is disclosed comprising surgical handpieces for cataract surgery which incorporate fiber optic bundles that transmit visible light to enhance visualization by intraocular illumination. Patient safety is improved by the oblique lighting to the retin ...


8
Pavel Jordan, Janet Muff, Bernard Strong: Plastic device for injection and obtaining blood samples. Pavel Jordan & Associates, Willie Krawitz, August 22, 1989: US04858607 (136 worldwide citation)

An inexpensive injection device is provided which is manufactured of plastic components, and is adapted to fit various syringe sizes. The injection device is spring loaded, and provides a firing barrel which, in the cocked position, is offset slightly from the central bore of the device.


9
Craig M Whitehouse, Daniel R Snyder, Ronald B Luther: Assembly with septum fitting for connecting adaptor and fluid tube. DRS Infusion Systems, Luther Medical Products, Willie Krawitz, December 17, 1985: US04559043 (131 worldwide citation)

An assembly for connecting needles and catheters in I.V. applications, chemical analysis, etc., includes a leak proof, sterile, self-sealing septum from which the needle is inserted. When the needle is retracted from the septum, the septum will reseal and thus maintain a leak-proof, sterile seal. Th ...


10
Joseph J Todd, Earl F Robinson, Rex O Bare: Connector with recessed needle for Y-tube, and assembly. Joseph J Todd, Willie Krawitz, October 23, 1990: US04964855 (117 worldwide citation)

A connector is provided between an I.V. or syringe supply and a Y-tube for feeding liquid medication to a patient. The connector is an integrally formed tube having a recessed needle which is factory mounted into the distal end of the connector. At its proximal end, the tube wall of the connector de ...