Larry Wayne Griffith

US Patent:

6645141, Nov 11, 2003

Filed:

Jun 27, 2002

Appl. No.:

10/184199

Inventors:

Burns P. Phillips - Nashville TN
Larry Griffith - Lakeville MN

Assignee:

Boss Instruments, Ltd. - Nashville TN

International Classification:

A61B 132

US Classification:

600228, 403385, 403389, 403DIG 9

Abstract:

Surgical retractor apparatus is shown having at least two independently operable clamping locations for receiving pivot balls therein. These two clamping locations lock and unlock their respective pivot balls independent of locking of the other pivot ball. Furthermore, the locking mechanisms utilized to lock the pivot balls also utilize the lock the angular position of the extension rod relative to the clamp. An adjuster intermediate the clamping positions allows for the movement of the clamping location relative to each other.

US Patent:

6790177, Sep 14, 2004

Filed:

Oct 16, 2002

Appl. No.:

10/271803

Inventors:

Burns Phillips - Nashville TN
Larry Griffith - Lakeville MN

Assignee:

Boss Instruments, Ltd. - Hermitage TN

International Classification:

A61B 132

US Classification:

600228, 403385, 403389, 403DIG 9

Abstract:

Surgical retractor apparatus is shown having at least two independently operable clamping locations for receiving pivot balls therein. These two clamping locations lock and unlock their respective pivot balls independent of locking of the other pivot ball. Furthermore, the locking mechanisms utilized to lock the pivot balls also utilize the lock the angular position of the extension rod relative to the clamp. An adjuster intermediate the clamping positions allows for the movement of the clamping location relative to each other.

US Patent:

6860850, Mar 1, 2005

Filed:

Oct 4, 2002

Appl. No.:

10/264750

Inventors:

Burns Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

Assignee:

BOSS Instruments Ltd. - Nashville TN

International Classification:

A61B001/32

US Classification:

600227, 600210

Abstract:

A connector head for a retractor blade provides connector head adapted to cooperate with a first and a second side loading socket. The connector head includes a first and a second loading portion, the second loading portion located above the first loading portion. A cap is preferably located between the first and second loading portions to separate the first and second loading portions from one another. The first loading portion includes a base which rests on a ledge surface of the retractor blade. The base and the cap may have sloped edges to assist in locating a socket between shoulders of the cap and base. The first loading portion has a diameter which is less than the diameter of the base an cap to define a first channel. The second loading portion has a smaller diameter than the diameter of the cap and top to provide a second channel. Two sockets from separate retractor instruments may connect to the connector head at the same time.

US Patent:

6887198, May 3, 2005

Filed:

May 21, 2002

Appl. No.:

10/153023

Inventors:

Burns P. Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

International Classification:

A61B017/02

US Classification:

600228, 600227

Abstract:

A gooseneck positioner secures a fixed support to one of a surgical spreader retractor and a connection head on a retractor blade. The positioner prevents the two retractor blades from riding out of an incision during a surgical operation. The gooseneck mechanism allows for the relative easy placement and then securing of the positioner at a desired location.

US Patent:

6979291, Dec 27, 2005

Filed:

Jul 2, 2003

Appl. No.:

10/613647

Inventors:

Burns Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

International Classification:

A61B001/32

US Classification:

600201

Abstract:

A surgical retractor having a lateral rack with two longitudinal arms extending therefrom. At least one of the arms has a curved segment. It is preferable that the curved segment extend at least one third the length of the arm and be concavely oriented toward the opposing arm.

US Patent:

D526410, Aug 8, 2006

Filed:

May 17, 2005

Appl. No.:

29/230107

Inventors:

Burns Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

Assignee:

Boss Instruments, Ltd., Inc. - Nashville TN

International Classification:

2402

US Classification:

D24135

US Patent:

7147599, Dec 12, 2006

Filed:

Jul 2, 2003

Appl. No.:

10/613424

Inventors:

Burns Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

Assignee:

Boss Instruments, Ltd., Inc. - Nashville TN

International Classification:

A61B 17/02

US Classification:

600232, 600219

Abstract:

A surgical retractor comprising a laterally extending rack having a first arm connected to the rack spaced from a movable second arm connected to the rack. In the preferred embodiment, the first and second arms have first segments connected to the rack connected to intermediate segments which are connect to third segments at the end of the arms. The intermediate segments are angled toward one another which allow the ends of the arms to be closer than the stationary segments connected to the rack. Additionally, the arms are preferably rotatable along longitudinal axes relative to the rack and can be locked in a fixed angular position.

US Patent:

D537939, Mar 6, 2007

Filed:

May 17, 2005

Appl. No.:

29/230108

Inventors:

Burns Phillips - Nashville TN, US
Larry Griffith - Lakeville MN, US

Assignee:

Boss Instruments, Ltd., Inc. - Nashville TN

International Classification:

2402

US Classification:

D24135