1
Joseph Grayzel: Stiffened dilation balloon catheter device. Weingram & Zall, January 10, 1989: US04796629 (652 worldwide citation)

The present invention sets forth a balloon catheter device adapted for use with catheters in angioplasty and/or valvuloplasty procedures which is expandable under fluid pressure and incorporates a plurality of stiffening means to resist deformation of isolated portions of the balloon when the balloo ...


2
Joseph Grayzel: Valvuloplasty device with satellite expansion means. Weingram & Zall, November 7, 1989: US04878495 (481 worldwide citation)

The present invention provides a valvuloplasty device having a plurality of expandable chambers for valvuloplasty such that the arrangements and disposition of the expandable chambers conforms to the anatomy of the valve to be treated, thereby increasing the likelihood that inflation of the balloons ...


3
Joseph Grayzel: Catheter sheath with longitudinal seam. Weingram & Zall, May 1, 1990: US04921479 (336 worldwide citation)

An improved removable expandable sheath for aiding in the introduction of catheters into the body which is fabricated from a semi-stiff plastic with memory formed in a tubular configuration with a longitudinal slit or non-joined seam extending along the entire length of the sheath and where the tubu ...


4
Joseph Grayzel: Single-chamber, multi-section balloon for cardiac assistance. Datascope Corporation, Kenyon & Kenyon Reilly Carr & Chapin, February 24, 1976: US03939820 (189 worldwide citation)

A device to be inserted in a blood vessel in order to aid the pumping of blood in only one direction within that vessel which comprises a gas inflatable and deflatable chamber mounted on support means and divided into an occluding section and a pumping section in direct communication with each other ...


5
Joseph Grayzel: Diagonally tapered, bevelled tip introducing catheter and sheath and method for insertion. Weingram & Zall, July 25, 1989: US04850960 (158 worldwide citation)

The present invention provides an improved introducing-dilating catheter which may also be applied to facilitate insertion of catheters of all types and functional purposes. The catheter has a tapered portion which is, in turn, connected to a bevelled tip portion to facilitate insertion of the cathe ...


6
Joseph Grayzel: Catheter with magnetic fixation. Weingram & Zall, March 7, 1989: US04809713 (151 worldwide citation)

The present invention involves catheters used for electrical pacing or excitation of the heart where critical placement and firm contact within the inner wall of the heart is required. The invention meets the requirement in the case of pacing catheters in the electrode at the catheter tip which main ...


7
Jeffrey Grayzel, Joseph Grayzel: Stiffened balloon catheter for dilatation and stenting. Barry Evans Esq, Ted Mlynar Esq, Kramer Levin Naftalis & Frankel, September 13, 2005: US06942680 (124 worldwide citation)

The present invention pertains to a stiffened balloon which can be used in angioplasty, endovascular, and valvuloplasty procedures or as a delivery balloon to deliver a stent or a stent-graft. Longitudinally discontinuous stiffening members connected to the expandable balloon stiffen the balloon but ...


8
Joseph Grayzel: Device for analysis of recorded electrocardiogram. Edward R Weingram, November 5, 1985: US04550502 (72 worldwide citation)

A gauge which facilitates the analysis of a recorded electrocardiogram which comprises a flat sheet of transparent material having a plurality or fan of straight diverging lines disposed on said sheet; a plurality of straight, parallel lines disposed on the sheet extending in a direction transverse ...


9
Joseph Grayzel, William Terrell: Device for transmitting electrical energy. Datascope Corporation, Steinberg & Blake, July 25, 1978: US04102331 (66 worldwide citation)

A device which is adapted to transmit electrical energy between an electrical instrument and a living body such as a human body. The device includes a support which has an outer face adapted to be placed in engagement with a surface such as a human skin surface, while the support has an outer perihe ...


10
Jeffrey Grayzel, Joseph Grayzel, William J Allen, Fred Karl, Alan Bachman, Ray Adams: Percutaneous entry system and method. Weingram & Associates P C, July 13, 2004: US06761725 (37 worldwide citation)

Apparatus to achieve percutaneous entry to a blood vessel includes several coacting combinations of coacting instruments, some capable of independent action, as well as enabling clear visualisation of the operative area, precise location of the operative site, capture and immobilization of the vesse ...