Jeffrey Lee Eggleston
Engineers at 14 Ct, Westminster, CO

License number
Colorado 24018
Issued Date
Feb 5, 1986
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
134 E 14 Ct, Westminster, CO 80020

Personal information

See more information about Jeffrey Lee Eggleston at radaris.com
Name
Address
Phone
Jeffrey Eggleston
4016 Maverick Ln, Evans, CO 80620
Jeffrey Eggleston, age 40
1319 Alpine Ave APT 23, Boulder, CO 80304
Jeffrey Eggleston, age 71
134 E 14Th Ct, Broomfield, CO 80020
(303) 482-6799
Jeffrey Eggleston, age 49
2519 Ridge Creek Rd, Fort Collins, CO 80528
Jeffrey L Eggleston, age 71
134 14Th Ave, Broomfield, CO 80020
(303) 460-9766

Professional information

Jeffrey Eggleston Photo 1

Control System For Neurosurgery

US Patent:
5720744, Feb 24, 1998
Filed:
Jun 6, 1995
Appl. No.:
8/470533
Inventors:
Jeffrey L. Eggleston - Broomfield CO
James H. Orszulak - Nederland CO
Matthew J. Sodnicar - Lafayette CO
Assignee:
Valleylab Inc - Boulder CO
International Classification:
A61B 1739
US Classification:
606 40
Abstract:
A control system and method for the operation of neurosurgical bipolar electrodes for application to the tissue and bodily fluids of a patient provides a source of high frequency energy connected to bipolar electrodes. Contacting surfaces are on the bipolar electrodes of highly electrically conductive material with resistance per unit area substantially less than the impedance of the tissue and bodily fluids. A current transducer attached to the source of high frequency energy responds to the RMS current applied through the tissue and bodily fluids between the contact surfaces as a measure relative to the instantaneous values of the RMS current. A current transducer attached to the source of high frequency energy responds to the RMS current through a capacitor applied across the contact surfaces to provide a signal correlated to the instantaneous values of the RMS voltage between the contacts and across the tissue and bodily fluids. A control connects to the source of high frequency energy for initially regulating the RMS current applied through the tissue and bodily fluids by the contacting surfaces in response to the impedance until the signal divided by the measure reaches a predetermined value. The control regulates the RMS power applied to the tissue and bodily fluids by the contacting surfaces in accord with the impedance until the signal divided by the measure reaches a predefined value.


Jeffrey Eggleston Photo 2

Electrosurgical Return Electrode Monitor

US Patent:
6565559, May 20, 2003
Filed:
May 14, 2001
Appl. No.:
09/854981
Inventors:
Jeffrey L. Eggleston - Broomfield CO
Assignee:
Sherwood Services AG - Schaffhausen
International Classification:
A61B 1818
US Classification:
606 35, 128898
Abstract:
The present disclosure provides a method for determining the probability of a patient burn under a return electrode in a monopolar electrosurgical system comprising calculating a heating factor adjacent the return electrode utilizing a first algorithm, calculating a cooling factor adjacent the return electrode utilizing a second algorithm, subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value, comparing the difference value to a threshold value, and adjusting the power dependent on the relationship of the difference value to the threshold value.


Jeffrey Eggleston Photo 3

Return Electrode Pad With Conductive Element Grid And Method

US Patent:
2007004, Mar 1, 2007
Filed:
Sep 1, 2005
Appl. No.:
11/218110
Inventors:
Jeffrey Eggleston - Broomfield CO, US
International Classification:
A61B 18/16
US Classification:
606032000
Abstract:
An electrosurgical return electrode for use in monopolar surgery is disclosed. The return electrode includes a conductive pad which includes a plurality of conductive elements, forming a grid. A plurality of temperature sensors are each operatively engaged with a respective one of the plurality of conductive elements. A connection device is capable of selectively transferring radio frequency current from an active electrode to each of the plurality of conductive elements. The connection device may be connected and/or disconnected to a conductive element when a temperature sensor senses a predetermined temperature or range of temperatures. Specifically, if the temperature of a portion of the patient is too high, the corresponding conductive element may be disconnected from the connection device. If the temperature of a portion of the patient is low enough, the corresponding conductive element can be connected (or reconnected) to the connection device.


Jeffrey Eggleston Photo 4

Energizable Surgical Tool Safety Device And Method

US Patent:
5575789, Nov 19, 1996
Filed:
Oct 27, 1994
Appl. No.:
8/330278
Inventors:
Gregory J. Bell - Broomfield CO
Jeffrey L. Eggleston - Broomfield CO
Kamala J. Grasso - Boulder CO
Jenifer S. Kennedy - Boulder CO
Dale Schmaltz - Boulder CO
Kenneth D. Taylor - Broomfield CO
Assignee:
Valleylab Inc. - Boulder CO
International Classification:
A61B 1736
US Classification:
606 42
Abstract:
A surgical safety apparatus for use in connection with an energizable surgical device prevents inadvertent activation of a surgical tool. The energizable surgical device may include an electrosurgical system, a laser scalpel, an ultrasonic aspirator, and combinations thereof. An activation circuit is in connection with the source of energy and in connection with the handpiece. The activation circuit has two states: the first state disconnects the source of energy from the handpiece, the second state connects the source of energy to the handpiece. A sensing element is connected to the activation circuit. The sensing element signals the activation circuit to convert the activation circuit from the first state to the second state. The activation circuit may remain in the second state for a preestablished period of time followed by a reversion to the first state. The activation circuit may include a relay which may be connected to operate accessories including smoke evacuators, lights, videos or irrigators.


Jeffrey Eggleston Photo 5

Electrosurgical Return Electrode Monitor

US Patent:
6258085, Jul 10, 2001
Filed:
May 11, 1999
Appl. No.:
9/310059
Inventors:
Jeffrey L. Eggleston - Broomfield CO
Assignee:
Sherwood Services AG - Schaffhausen
International Classification:
A61B 1804
US Classification:
606 35
Abstract:
The present disclosure provides a method for determining the probability of a patient burn under a return electrode in a momopolar electrosurgical system comprising calculating a heating factor adjacent the return electrode utilizing a first algorithm, calculating a cooling factor adjacent the return electrode utilizing a second algorithm, subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value, comparing the difference value to a threshold value, and adjusting the power dependent on the relationship of the difference value to the threshold value.


Jeffrey Eggleston Photo 6

Capacitive Electrosurgical Return Pad With Contact Quality Monitoring

US Patent:
8080007, Dec 20, 2011
Filed:
May 7, 2007
Appl. No.:
11/800687
Inventors:
James E. Dunning - Lafayette CO, US
Jeffrey L. Eggleston - Broomfield CO, US
Kyle R. Rick - Boulder CO, US
Assignee:
TYCO Healthcare Group LP - Mansfield MA
International Classification:
A61B 18/16
US Classification:
606 32, 606 35
Abstract:
A return pad includes a backing, at least one return electrode, and at least one ring sensor. The backing has a top side, a bottom side, and a periphery. The return electrode is disposed on the bottom side of the backing layer and is adapted to connect to a current generator. The ring sensor(s) is disposed in substantial concentric registration with the periphery of the backing and is configured to connect to a measuring component. The measuring component is operable to approximate contact quality of the return electrode during electrosurgical application and is configured to communicate with the generator.


Jeffrey Eggleston Photo 7

Electrosurgical System For Measuring Contact Quality Of A Return Pad

US Patent:
8235980, Aug 7, 2012
Filed:
Dec 14, 2011
Appl. No.:
13/326040
Inventors:
James E. Dunning - Lafayette CO, US
Jeffrey L. Eggleston - Broomfield CO, US
Kyle R. Rick - Boulder CO, US
Assignee:
TYCO Healthcare Group LP - Mansfield MA
International Classification:
A61B 18/16
US Classification:
606 32, 606 35
Abstract:
A return pad includes a backing, at least one return electrode, and at least one ring sensor. The backing has a top side, a bottom side, and a periphery. The return electrode is disposed on the bottom side of the backing layer and is adapted to connect to a current generator. The ring sensor(s) is disposed in substantial concentric registration with the periphery of the backing and is configured to connect to a measuring component. The measuring component is operable to approximate contact quality of the return electrode during electrosurgical application and is configured to communicate with the generator.


Jeffrey Eggleston Photo 8

Devices For Detecting Heating Under A Patient Return Electrode

US Patent:
2006007, Apr 13, 2006
Filed:
Oct 3, 2005
Appl. No.:
11/242475
Inventors:
Jeffrey Eggleston - Broomfield CO, US
International Classification:
A61B 18/16
US Classification:
606035000
Abstract:
The present disclosure is an apparatus for predicting the temperature at a return electrode in a monopolar electrosurgical system. The apparatus includes a detecting apparatus adapted to connect to a power source having an analog circuit configured to sense a change in an element wherein the element is selected from a group consisting of current, voltage, impedance or temperature, and any combination thereof. A comparator is included which is configured to compare the change in one of the above elements to a threshold value. The detecting apparatus predicts skin temperature of the patient at the return electrode of a monopolar electrosurgical system without contacting the patient.