Phillip B Baker

US Patent:

6594021, Jul 15, 2003

Filed:

Apr 18, 2000

Appl. No.:

09/552149

Inventors:

Phillip C. Baker - Orinda CA

Assignee:

Eyetech Vision, Inc. - La Jolla CA

International Classification:

G01B 902

US Classification:

356492, 356432, 356632, 356440, 356446, 351212

Abstract:

A system for evaluating a donor cornea includes a light source for generating a beam having a predetermined characteristic and a selected configuration. The light beam characteristic can be collimated light (wavefront analysis), white light (spectral analysis), or polarized light (polarization analysis). The beam configuration can be either circular in cross-section, or it can be a slit. When circular, the light beam is transmitted through the entire cornea to identify changes in the characteristics of the light (e. g. phase shift, spectral shift, or polarization changes). These changes then determine the optical properties of the donor cornea. When configured as a slit, the light is scattered off-axis and used to measure dimensions for a profile of the donor cornea. A computer then prepares an evaluation which includes information on both the optical qualities and the dimensional profile of the donor specimen.

US Patent:

8100530, Jan 24, 2012

Filed:

Oct 23, 2009

Appl. No.:

12/605219

Inventors:

Yan Zhou - Pleasanton CA, US
William Shea - Pleasanton CA, US
Barry Linder - Danville CA, US
Phillip Baker - Walnut Grove CA, US

Assignee:

Clarity Medical Systems, Inc. - Pleasanton CA

International Classification:

A61B 3/10

US Classification:

351205, 351211, 351214

Abstract:

Example embodiments include a dynamic wavefront sensor, a controllable wavefront offsetting element and a controller that controls the controllable wavefront offsetting element to offset selected non-plane wave aberration components in order to allow remaining non-plane wave aberration components to be more efficiently detected and measured.

US Patent:

8118431, Feb 21, 2012

Filed:

Oct 27, 2009

Appl. No.:

12/606982

Inventors:

William Shea - Pleasanton CA, US
Phillip Baker - Walnut Grove CA, US
Barry Linder - Danville CA, US

Assignee:

Clarity Medical Systems, Inc. - Pleasanton CA

International Classification:

A61B 3/00
G02C 7/04

US Classification:

351219, 351160 R

Abstract:

This invention discloses an apparatus that is attached to the objective lens of a microscope to split its field of view into at least two. In one embodiment, a mirrored gonio lens is snapped to the objective of an ophthalmic surgical microscope to provide a view of the eye's anterior surface and a view of the eye's anterior chamber.

US Patent:

8518109, Aug 27, 2013

Filed:

Oct 26, 2009

Appl. No.:

12/606017

Inventors:

William Shea - Pleasanton CA, US
Barry Linder - Danville CA, US
Phillip Baker - Walnut Grove CA, US
Yan Zhou - Pleasanton CA, US

Assignee:

Clarity Medical Systems, Inc. - Pleasanton CA

International Classification:

A61F 2/16
A61F 2/14

US Classification:

623 611, 623 41

Abstract:

The invention discloses an optical coupling gel that has a set of desired features for application in eye imaging, including being approved for eye contact, optically transparent, able to maintain normal hydration of the ocular surface, flexible and capable of maintaining a distinct shape, minimal in breakdown/change during use, and easily dispensable/applicable. In one embodiment, the gel is made of Sodium Carboxy Methylcellulose (SCMC), where the amount of the cellulose determines the viscosity of the gel for its particular application. The right amount of gel is contained in an applicator for application to one or two eyes.

US Patent:

20100118270, May 13, 2010

Filed:

Oct 27, 2009

Appl. No.:

12/606993

Inventors:

William Shea - Pleasanton CA, US
Shelly Reed - Dublin CA, US
Willem Crone - Oroville CA, US
Barry Linder - Danville CA, US
Phillip Baker - Walnut Grove CA, US
Yan Zhou - Pleasanton CA, US

Assignee:

CLARITY MEDICAL SYSTEMS, INC. - Pleasanton CA

International Classification:

A61B 3/117

US Classification:

351219

Abstract:

An apparatus and method is disclosed that provides a means for mounting a separate optical element, such as a gonio lens, to a hand-held eye imaging device. In this way, the doctor only needs to use one hand to hold the imaging apparatus while the other hand can be freed to open the patient eye lid and also maintain a safe relative distance of the gonio lens with respect to the patient's eye. The gonio lens and adaptor can each or both be made disposable and also mechanically switchable relative to each other as well as relative to the handheld eye imaging device so that different portions of the patient eye can be imaged sequentially without the need to rotate the hand held eye imaging device.

US Patent:

20120188506, Jul 26, 2012

Filed:

Jan 20, 2012

Appl. No.:

13/354763

Inventors:

YAN ZHOU - PLEASANTON CA, US
WILLIAM SHEA - PLEASANTON CA, US
BARRY LINDER - DANVILLE CA, US
PHILLIP BAKER - WALNUT GROVE CA, US

Assignee:

CLARITY MEDICAL SYSTEMS, INC. - Pleasanton CA

International Classification:

A61B 3/10

US Classification:

351205

Abstract:

In one embodiment a wavefront sensor is configured to measure real time aberration values of a wavefront returned from the eye of a patient while an image of the eye of the patient is being viewed by a surgeon during an on-going vision correction procedure and for providing an output signal indicating real time aberration values and a display, coupled to the wavefront sensor, is configured to show a dynamic display indicating the real time aberration values to the surgeon and configured to be viewed by the surgeon while also viewing the image of the eye of the patient during the on-going vision correction procedure.

US Patent:

20130265541, Oct 10, 2013

Filed:

May 24, 2013

Appl. No.:

13/902716

Inventors:

William Shea - Pleasanton CA, US
Barry Linder - Danville CA, US
Phillip Baker - Walnut Grove CA, US

International Classification:

A61B 3/10

US Classification:

351205

Abstract:

In one embodiment, a wavefront sensor is combined with a slit lamp eye examination device so that real time aberration values of an eye being examined can be viewed during a slit lamp eye examination session.

US Patent:

61252948, Sep 26, 2000

Filed:

Aug 6, 1997

Appl. No.:

8/907112

Inventors:

John Anthony Scholl - Danville CA
Thomas A. Silvestrini - Alamo CA
Isidro Matias Gandionco - Fremont CA
William P. Kuhn - Tucson AZ
Phillip C. Baker - Orinda CA

Assignee:

Kera Vision Inc. - Fremont CA

International Classification:

A61B 500

US Classification:

600407

Abstract:

A method and apparatus for performing a surgical procedure on a patient is described. An incision is made into tissue of the patient to create a tissue pocket. The tissue has an anterior surface. Preferably, the tissue is corneal tissue of an eye. A reflective element is inserted into the pocket. An energy source generates a radiant energy signal, which is directed toward the reflective element. Reflected energy is received from the reflective element. A detector determines the depth of the reflective element below the anterior surface based upon the energy reflected by the reflective element. The speed of transmission of the radiant energy in the reflective element is different (preferably slower) than the speed of transmission of the radiant energy in the tissue. The reflective element may be in the form of a tool on which is disposed a biocompatible polymer layer, the layer comprising trapped air spaces, or a tool having an open space for containing trapped air. The radiant energy may take the form of ultrasound generated by an ultrasonic probe, or light generated by a confocal microscope.