William E Olson

US Patent:

8052704, Nov 8, 2011

Filed:

Nov 2, 2007

Appl. No.:

11/934680

Inventors:

William John Olson - Menlo Park CA, US

Assignee:

Foxhollow Technologies, Inc. - San Jose CA

International Classification:

A61B 17/22

US Classification:

606159, 606170, 600439

Abstract:

An atherectomy catheter includes a rotary cutting knife that is driven from the distal (nose) or side (circumference) direction. The catheter collects plaque shavings in a hollow collection chamber mounted in between the rotary cutting knife and the main catheter tubing. In contrast to prior art designs, which utilized nose mounted plaque collection chambers, the present design is able to store a substantially larger volume of removed plaque, thus increasing the length of time and amount of plaque removal that can be accomplished before the catheter must be removed from the body and cleaned. This decreases medical procedure time, allows for more complete and careful plaque removal, and reduces the burden on the patient and physician.

US Patent:

8469979, Jun 25, 2013

Filed:

Sep 22, 2011

Appl. No.:

13/239820

Inventors:

William John Olson - Menlo Park CA, US

Assignee:

Covidien LP - Mansfield MA

International Classification:

A61B 17/22

US Classification:

606159, 606170, 600439

Abstract:

An atherectomy catheter with a rotary cutting element is provided. The catheter collects plaque shavings in a hollow collection chamber. The catheter includes a drive shaft connected between a source of rotational power and the distal side of the cutting element, no part of the drive shaft being contained within the collection chamber.

US Patent:

20090178690, Jul 16, 2009

Filed:

Jan 10, 2008

Appl. No.:

11/972178

Inventors:

William John Olson - Menlo Park CA, US

International Classification:

A45D 8/00

US Classification:

132275, 132273

Abstract:

The invention is directed to a hair tie, having an elastic member extendable toward opposing ends and complementary fasteners located at at least two portions of the elastic member. Optionally, the invention may include an ornament holder, having a fastener configured to removably attach to an elastic member.

US Patent:

20090179034, Jul 16, 2009

Filed:

Jan 10, 2008

Appl. No.:

11/972187

Inventors:

William John Olson - Menlo Park CA, US

International Classification:

B65D 35/14

US Classification:

22049501, 22049504

Abstract:

The invention is directed to a receptacle that includes a first container configured to receive a second container and a pressure-balancing structure configured to form a pathway to balance pressure between a space exterior to the first container and an interior space, where the interior space is located between the second container and an interior surface of the first container.

US Patent:

20100103765, Apr 29, 2010

Filed:

Oct 22, 2009

Appl. No.:

12/604057

Inventors:

MARC D. HORNBOSTEL - Palo Alto CA, US
Angel Sanjurjo - San Jose CA, US
Kai-Hung Lau - Cupertino CA, US
Gopala N. Krishnan - Sunnyvale CA, US
Anoop Nagar - Palo Alto CA, US
Lorenza Moro - San Carlos CA, US
Jordi Perez Mariano - Menlo Park CA, US
Xiaobing Xie - Foster City CA, US
William C. Olson - San Jose CA, US

International Classification:

B01F 5/04
B01F 15/06

US Classification:

366145, 366147

Abstract:

The present invention relates generally to a liquid injector for silicon production. In one embodiment, the injector includes a tube having at least one opening at a first end of said tube, a moveable sealing means disposed inside the tube for sealing the at least one opening and a heating means coupled to the tube for controlling a temperature of a liquid exiting the tube through the at least one opening.

US Patent:

20100125253, May 20, 2010

Filed:

Nov 17, 2008

Appl. No.:

12/272697

Inventors:

William John Olson - Menlo Park CA, US
Charles McNall - Belmont CA, US

Assignee:

Avinger - Santa Clara CA

International Classification:

A61M 25/01
A61B 17/22

US Classification:

604267, 606159

Abstract:

A dual-tip catheter equipped with both a rotating cutting bit and a cavity for a probing guidewire tip for passage through chronic total occlusions or other refractory atherosclerotic plaque from diseased arteries. The catheter's guidewire tip and rotating cutting bit reside safely within an outer protective catheter sheath head when not in use, and alternately either the cutting bit or the guidewire tip will protrude out of the same distal opening of the sheath head as needed. By first drilling through refractory occlusions, and then inserting a guidewire tip into the occlusion opening formed by the cutting bit, the catheter can force the guidewire tip past the occlusion. After the guidewire tip has been fully inserted, the dual-tip catheter can be withdrawn, and an alternate catheter inserted and directed up the guidewire to the occlusion site, where the alternate catheter can perform further occlusion enlargement or therapeutic activity.

US Patent:

20130289590, Oct 31, 2013

Filed:

Jun 10, 2013

Appl. No.:

13/914135

Inventors:

William John Olson - Menlo Park CA, US

International Classification:

A61B 17/3207

US Classification:

606159

Abstract:

The present invention is an atherectomy catheter with a rotary cutting knife that is driven from the distal (nose) or side (circumference) direction. The catheter collects plaque shavings in a hollow collection chamber mounted in between the rotary cutting knife and the main catheter tubing. In contrast to prior art designs, which utilized nose mounted plaque collection chambers, the present design is able to store a substantially larger volume of removed plaque, thus increasing the length of time and amount of plaque removal that can be accomplished before the catheter must be removed from the body and cleaned. This decreases medical procedure time, allows for more complete and careful plaque removal, and reduces the burden on the patient and physician.

US Patent:

20130296901, Nov 7, 2013

Filed:

Oct 31, 2012

Appl. No.:

13/664499

Inventors:

William John Olson - Menlo Park CA, US

Assignee:

Covidien LP - Mansfield MA

International Classification:

A61B 17/3207

US Classification:

606159

Abstract:

A catheter includes a rotatable cutter in a catheter body adjacent a window and operatively connected to a rotatable shaft for rotation therewith. The rotatable cutter includes a proximally-facing cutting edge. The rotatable cutter is selectively positionable to a cutting position in which the rotatable cutter extends partially outside the window to expose the cutting edge such that the catheter can be moved proximally within the body lumen as the rotatable cutter is rotating to remove tissue from the lumen and direct the removed tissue through the window and into a removed-tissue lumen.