Stephen M Grantz

US Patent:

59804858, Nov 9, 1999

Filed:

Mar 13, 1998

Appl. No.:

9/042232

Inventors:

Stephen M. Grantz - Pelham NH
John Hudson - Wells ME

Assignee:

Medtronics AVE, Inc. - Santa Rosa CA

International Classification:

A61M 2900

US Classification:

604 96

Abstract:

A pressure-sensitive balloon catheter includes a material that undergoes a visible color change when exposed to the pressures experienced in an angioplasty or a stent placement procedure. By removing the balloon catheter and verifying the color change and the patterns of colors on the balloon, a physician can verify that proper amounts of pressure were applied to all portions of a patient's artery or a stent within a patient's artery.

US Patent:

61297054, Oct 10, 2000

Filed:

Sep 30, 1998

Appl. No.:

9/163245

Inventors:

Stephen Grantz - Pelham NH

Assignee:

Medtronic AVE, Inc. - Santa Rosa CA

International Classification:

A61M 2900

US Classification:

604 96

Abstract:

A drug or gene therapy solution delivery system including a balloon catheter having a balloon associated with a distal end of the catheter, the balloon having an exterior surface and comprising: a plurality of microencapsulated spheres containing a drug or gene therapy solution, the microencapsulated spheres being disposed about the exterior surface of the balloon so as to rupture upon application of a predetermined pressure to the balloon. In one embodiment, the microencapsulated spheres are encapsulated in a coating applied to the exterior surface of the balloon. In another embodiment, the microencapsulated spheres are extruded in the balloon. In yet another embodiment, the invention provides a drug or gene therapy solution delivery system including a stent, the stent comprising: a plurality of microencapsulated spheres containing a drug or gene therapy solution delivery solution, the microencapsulated spheres being disposed about the exterior surface of the stent so as to rupture upon radial expansion of the stent by a predetermined amount.

US Patent:

61766984, Jan 23, 2001

Filed:

Feb 24, 1998

Appl. No.:

9/028556

Inventors:

Stephen Grantz - Pelham NH
Raymond E. Godaire - Auburn MA

Assignee:

Medtronic AVE, Inc. - Santa Rosa CA

International Classification:

B29C 4948

US Classification:

425470

Abstract:

A mold for forming an inflatable medical balloon having inverted conically shaped tapered regions, comprising: a mold body defining a mold cavity having an inner molding surface, and opposing first and second generally conical molding surfaces disposed along a longitudinal axis passing through the mold cavity, each of the first and second generally conical surfaces defining a frustum tapering inwardly from a base disposed perpendicular to the longitudinal axis of the mold cavity and located away from the center of the mold cavity, to an apex disposed along the longitudinal axis towards the center of the mold cavity relative to the base; and a method of molding a balloon using the mold.

US Patent:

20210100626, Apr 8, 2021

Filed:

May 3, 2019

Appl. No.:

17/041087

Inventors:

- Marlborough MA, US
Stephen GRANTZ - Marlborough MA, US
Thomas FISK - Marlborough MA, US
Mark GUETERSLOH - Marlborough MA, US

International Classification:

A61B 34/20
A61B 8/08
A61B 10/02
A61B 17/34
A61B 34/00
G16H 20/40
G16H 40/63
G16H 30/40
G16H 10/40
G06N 20/00
G01S 7/52
G01S 15/89

Abstract:

Methods and systems providing guidance for operation of a biopsy needle based on ultrasonic imaging. Ultrasonic waves are emitted and detected by a ultrasonic transducer to generate image data. A biopsy needle is identified within the generated image data, and the biopsy needle may be in a pre-fire configuration. Based on the identification of the biopsy needle, the methods and systems may determine a predicted location of the biopsy needle based at least in part on biopsy needle properties. The predicted location of the biopsy needle may be the predicated location of the biopsy needle in its post-fire configuration. At least one indicator may be displayed indicating the determined predicted location.