Patents by Inventor Colin H. Murphy
Colin H. Murphy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240133727Abstract: An acoustic volume sensing device is disclosed. The device includes a housing comprising a reference volume chamber and a variable volume chamber, the reference volume chamber and the variable volume chamber connected by a resonant port, a first MEMS microphone located in acoustic relation to the variable volume chamber, a second MEMS microphone located in acoustic relation to the reference volume chamber, a MEMS speaker located in acoustic relation to the reference volume chamber, and a circuit board in electric connection with the first and second MEMS microphones and the MEMS speaker.Type: ApplicationFiled: October 22, 2023Publication date: April 25, 2024Inventors: Gregory R. Lanier, JR., John M. Kerwin, Colin H. Murphy, Larry B. Gray
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Publication number: 20240115804Abstract: A pump for pumping fluid includes a tube platen, a plunger, a bias member, inlet and outlet valves, an actuator mechanism, a position sensor, and a processor. The plunger is configured for actuation toward and away from the infusion-tube when the tube platen is disposed opposite to the plunger. The tube platen can hold an intravenous infusion tube. The bias member is configured to urge the plunger toward the tube platen.Type: ApplicationFiled: October 10, 2023Publication date: April 11, 2024Inventors: Dean KAMEN, John M. Kerwin, Colin H. Murphy, Jonathan Parker, Daniel F. Pawlowski, Dirk A. Van Der Merwe, Larry B. Gray, Christopher C. Langenfeld, Michael S Place, Michael J. Slate
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Publication number: 20240108819Abstract: A system is disclosed. The system includes a fill adapter device including a heat exchanger which includes a heating element and a fluid pathway, the fluid pathway fluidly connected to a filling needle input, whereby fluid enters the heat exchanger through the filling needle input and flows through the fluid pathway and whereby the fluid is heated by the heating element. The system also includes a reservoir including a plunger and a plunger rod and a filling needle configured to be removably attached to the reservoir, wherein the fill adapter is configured to be attached to a vial of fluid and wherein fluid from the vial flows through the fluid pathway and is heated and loaded into the reservoir through the filling needle.Type: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Inventors: Dean Kamen, John M. Kerwin, Kevin A. Durand, Larry B. Gray, Gregory R. Lanier, JR., Colin H. Murphy
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Patent number: 11890448Abstract: A method for controlling a device using a shape-memory alloy wire is disclosed. The method includes determining an ontime for the shape-memory alloy wire based on a target volume to be pumped by a pump plunger, determining the temperature of the shape-memory alloy wire and adjusting the ontime based on the temperature of the shape-memory alloy wire.Type: GrantFiled: February 25, 2021Date of Patent: February 6, 2024Assignee: DEKA Products Limited PartnershipInventors: Colin H. Murphy, Dean Kamen, John M. Kerwin, Larry B. Gray
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Publication number: 20230420101Abstract: A peristaltic pump having at least first, second, and third stages is provided. The peristaltic pump includes a plunger, inlet and outlet valves, a spring, and an actuator. The plunger actuates toward and away from a tube, the inlet valve is upstream of the plunger, the outlet valve is downstream of the plunger, the spring biases the plunger toward the tube, and the actuator mechanically engages and disengages from the plunger. In the first stage, the inlet valve is opened and the plunger is actuated from the tube, in the second stage, the inlet valve is closed, the plunger is actuated toward the tube, and the actuator is mechanically disengaged from the plunger, and in the third stage, the outlet valve is opened. In the third stage or in a fourth stage, the actuator actuates the plunger toward the tube to discharge fluid downstream past the outlet valve.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Christopher C. Langenfeld, Michael J. Slate, Michael S. Place, Larry B. Gray
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Publication number: 20230360763Abstract: A peristaltic pump includes a plunger-cam follower, a tube receiver, a spring-biased plunger, a spring, a position sensor, and a processor. The plunger-cam follower engages the plunger cam to follow the plunger cam and to disengage from the plunger cam. The spring-biased plunger is coupled to the plunger-cam follower and the spring biases the spring-biased plunger toward the tube receiver. The position sensor determines a position of the spring-biased plunger when the plunger-cam follower is disengaged from the plunger came. The processor estimates fluid flow utilizing at least the position of the spring-biased plunger as indicated by the position sensor when the plunger-cam follower is disengaged from the plunger cam and the spring biases the spring-biased plunger against the tube.Type: ApplicationFiled: July 14, 2023Publication date: November 9, 2023Inventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Christopher C. Langenfeld, Michael J. Slate, Michael S. Place, Larry B. Gray
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Patent number: 11793928Abstract: A system for regulating fluid flow having a processor configured to reduce image noise is provided. The system includes an image sensor to capture an image of the drip chamber. The processor captures the image of the drip chamber using the image sensor, performs an edge detection on the image to generate a first processed image, and performs a Boolean-operation on a pixel on a first side of an axis of the first processed image with a corresponding pixel on a second side of the axis of the first processed image to generate a second processed image.Type: GrantFiled: May 20, 2022Date of Patent: October 24, 2023Assignee: DEKA Products Limited PartnershipInventors: Bob D. Peret, Derek G. Kane, Dean Kamen, Colin H. Murphy, John M. Kerwin
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Patent number: 11796371Abstract: An acoustic volume sensing device is disclosed. The device includes a housing comprising a reference volume chamber and a variable volume chamber, the reference volume chamber and the variable volume chamber connected by a resonant port, a first MEMS microphone located in acoustic relation to the variable volume chamber, a second MEMS microphone located in acoustic relation to the reference volume chamber, a MEMS speaker located in acoustic relation to the reference volume chamber, and a circuit board in electric connection with the first and second MEMS microphones and the MEMS speaker.Type: GrantFiled: September 3, 2021Date of Patent: October 24, 2023Assignee: DEKA Products Limited PartnershipInventors: Gregory R. Lanier, Jr., John M. Kerwin, Colin H. Murphy, Larry B. Gray
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Patent number: 11779703Abstract: A pump for pumping fluid includes a tube platen, a plunger, a bias member, inlet and outlet valves, an actuator mechanism, a position sensor, and a processor. The plunger is configured for actuation toward and away from the infusion-tube when the tube platen is disposed opposite to the plunger. The tube platen can hold an intravenous infusion tube. The bias member is configured to urge the plunger toward the tube platen.Type: GrantFiled: June 15, 2021Date of Patent: October 10, 2023Assignee: DEKA Products Limited PartnershipInventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Jonathan Parker, Daniel F. Pawlowski, Dirk A. van der Merwe, Larry B. Gray, Christopher C. Langenfeld, Michael S. Place, Michael J. Slate
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Patent number: 11756662Abstract: A peristaltic pump having at least first, second, and third stages is provided. The peristaltic pump includes a plunger, inlet and outlet valves, a spring, and an actuator. The plunger actuates toward and away from a tube, the inlet valve is upstream of the plunger, the outlet valve is downstream of the plunger, the spring biases the plunger toward the tube, and the actuator mechanically engages and disengages from the plunger. In the first stage, the inlet valve is opened and the plunger is actuated from the tube, in the second stage, the inlet valve is closed, the plunger is actuated toward the tube, and the actuator is mechanically disengaged from the plunger, and in the third stage, the outlet valve is opened. In the third stage or in a fourth stage, the actuator actuates the plunger toward the tube to discharge fluid downstream past the outlet valve.Type: GrantFiled: May 27, 2021Date of Patent: September 12, 2023Assignee: DEKA Products Limited PartnershipInventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Christopher C. Langenfeld, Michael J. Slate, Michael S. Place, Larry B. Gray
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Publication number: 20230255705Abstract: A surgical robotic system includes a robotic arm having a camera that is configured to output a video stream. The system also includes a surgical instrument coupled to the same or another robotic arm and a controller configured to receive the video stream from the camera and to calibrate the surgical instrument based on the video stream.Type: ApplicationFiled: February 13, 2023Publication date: August 17, 2023Inventors: Colin H. Murphy, Andrew W. Zeccola, Paul M. Loschak
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Patent number: 11705233Abstract: A peristaltic pump includes a plunger-cam follower, a tube receiver, a spring-biased plunger, a spring, a position sensor, and a processor. The plunger-cam follower engages the plunger cam to follow the plunger cam and to disengage from the plunger cam. The spring-biased plunger is coupled to the plunger-cam follower and the spring biases the spring-biased plunger toward the tube receiver. The position sensor determines a position of the spring-biased plunger when the plunger-cam follower is disengaged from the plunger came. The processor estimates fluid flow utilizing at least the position of the spring-biased plunger as indicated by the position sensor when the plunger-cam follower is disengaged from the plunger cam and the spring biases the spring-biased plunger against the tube.Type: GrantFiled: August 24, 2020Date of Patent: July 18, 2023Assignee: DEKA PRODUCTS LIMITED PARTNERSHIPInventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Christopher C. Langenfeld, Michael J. Slate, Michael S. Place, Larry B. Gray
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Publication number: 20230181818Abstract: An apparatus, system and method for regulating fluid flow are disclosed. The apparatus includes a flow rate sensor and a valve. The flow rate sensor uses images to estimate flow through a drip chamber and then controls the valve based on the estimated flow rate. The valve comprises a rigid housing disposed around the tube in which fluid flow is being controlled. Increasing the pressure in the housing controls the size of the lumen within the tube by deforming the tube, therefore controlling flow through the tube.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Bob D. Peret, Brian H. Yoo, Derek G. Kane, Dean Kamen, Colin H. Murphy, John M. Kerwin
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Publication number: 20230181207Abstract: An end effector assembly of a surgical instrument includes a clevis defining a longitudinal axis and including first and second arms spaced-apart relative to one another and first and second jaw members supported by the clevis. At least one of the jaw members is movable relative to the other and the clevis between a spaced-apart position and an approximated position for grasping tissue between the jaw members. The clevis includes first and second locating features on outwardly-facings sides of the first and second spaced-apart arms, respectively. The first and second locating features are configured to facilitate engagement and alignment of the end effector assembly within a test fixture.Type: ApplicationFiled: December 5, 2022Publication date: June 15, 2023Inventors: Dylan R. Kingsley, Christopher T. Tschudy, Jason G. Weihe, Zachary S. Heiliger, William R. Whitney, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook, Matthew D. Straka, Reid Thomson, Carolyn Girvin, Jared N. Farlow, Colin H. Murphy, Zachary T. Morgan, Gary J. Suszynski, Aaron J. Clippinger
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Publication number: 20230166031Abstract: A pump for pumping fluid includes a tube platen, a plunger, a bias member, inlet and outlet valves, an actuator mechanism, a position sensor, and a processor. The plunger is configured for actuation toward and away from the infusion-tube when the tube platen is disposed opposite to the plunger. The tube platen can hold an intravenous infusion tube. The bias member is configured to urge the plunger toward the tube platen.Type: ApplicationFiled: November 22, 2022Publication date: June 1, 2023Inventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Jonathan Parker, Daniel F. Pawlowski, Dirk A. van der Merwe, Larry B. Gray, Christopher C. Langenfeld, Michael S. Place, Michael J. Slate
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Publication number: 20230082342Abstract: A system for delivery of a volume of infusible fluid. The system includes a controller configured to calculate a trajectory for delivering infusible fluid, the trajectory comprising at least one volume of fluid, and determine a schedule for delivering the at least one volume of fluid according to the trajectory, wherein the schedule comprising an interval and a volume of infusible fluid for delivery. The system also includes a volume sensor assembly for determining the at least one volume of fluid delivered, wherein the controller recalculates the trajectory based on the volume of fluid delivered.Type: ApplicationFiled: August 29, 2022Publication date: March 16, 2023Inventors: Dean Kamen, John M. Kerwin, Gerald M. Guay, Larry B. Gray, Richard J. Lanigan, Stephen L. Fichera, Colin H. Murphy, Thomas F. Soldau, David Blumberg, JR.
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Patent number: 11574407Abstract: An apparatus, system and method for regulating fluid flow are disclosed. The apparatus includes a flow rate sensor and a valve. The flow rate sensor uses images to estimate flow through a drip chamber and then controls the valve based on the estimated flow rate. The valve comprises a rigid housing disposed around the tube in which fluid flow is being controlled. Increasing the pressure in the housing controls the size of the lumen within the tube by deforming the tube, therefore controlling flow through the tube.Type: GrantFiled: December 31, 2020Date of Patent: February 7, 2023Assignee: DEKA Products Limited PartnershipInventors: Bob D. Peret, Brian H. Yoo, Derek G. Kane, Dean Kamen, Colin H. Murphy, John M. Kerwin
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Publication number: 20230022552Abstract: A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.Type: ApplicationFiled: September 15, 2022Publication date: January 26, 2023Inventors: Bob Peret, Brian H. Yoo, Derek G. Kane, Dean Kamen, Colin H. Murphy, John M. Kerwin
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Patent number: 11511038Abstract: A pump for pumping fluid includes a tube platen, a plunger, a bias member, inlet and outlet valves, an actuator mechanism, a position sensor, and a processor. The plunger is configured for actuation toward and away from the infusion-tube when the tube platen is disposed opposite to the plunger. The tube platen can hold an intravenous infusion tube. The bias member is configured to urge the plunger toward the tube platen.Type: GrantFiled: December 4, 2020Date of Patent: November 29, 2022Assignee: DEKA Products Limited PartnershipInventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Jonathan Parker, Daniel F. Pawlowski, Dirk A. van der Merwe, Larry B. Gray, Christopher C. Langenfeld, Michael S. Place, Michael J. Slate
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Publication number: 20220367027Abstract: A peristaltic pump, and related method, are disclosed that includes a cam shaft, a plunger-cam follower, a tube receiver, a spring, a plunger, a door, and a plunger lift lever. The cam shaft includes a plunger cam. The plunger-cam follower engages with the plunger cam of the cam shaft. The spring provides a bias and the plunger is biased toward the tube receiver by the spring. The plunger is coupled to the plunger-cam follower where expansion of the plunger cam along a radial angle intersecting the plunger-cam follower as the cam shaft rotates actuates the plunger away from the tube receiver. The door lever can be actuated between a first position and a second position. The plunger lift lever is coupled to the door lever to actuate the plunger away from the tube receiver when the door lever is actuated to the second position.Type: ApplicationFiled: May 26, 2022Publication date: November 17, 2022Inventors: Dean Kamen, John M. Kerwin, Colin H. Murphy, Christopher C. Langenfeld, Michael J. Slate, Michael S. Place, Larry B. Gray