Patents by Inventor How-Lun Chen
How-Lun Chen 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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Patent number: 8956341Abstract: A laparoscopic surgical device is provided, including a removable tool-comprising shaft having an outer shaft and an inner actuation rod that may be removably or permanently connected together. A handle of the device includes a two-button mechanism for engaging and releasing the removable tool-comprising shaft. The two-button mechanism is configured to engage overlapping corresponding apertures of the outer shaft and the inner rod that extends through the outer shaft.Type: GrantFiled: June 10, 2010Date of Patent: February 17, 2015Assignee: CareFusion 2200, Inc.Inventors: How-Lun Chen, Jesse Crumley, Robert F. Leonard
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Patent number: 8776800Abstract: A sterile drape configured for isolating a portion of a surgical device within a sterile environment, comprising: a plurality of drape interface mechanisms comprising: at least one drape/handle interface mechanism comprising a first ring defining a first opening through the sterile drape and configured for coupling with a control mechanism, the control mechanism comprising a surgical device for controlling a surgical instrument; and at least one drape/shaft interface mechanism comprising a second ring defining a second opening through the sterile drape, and configured for sealingly receiving a shaft there through as the shaft moves with a piston and is detachably coupled with the piston, wherein the piston is configured for responding to a first set of control signals sent by a first mechanical manipulation mechanism via a first connector by moving between a proximal end and a distal end of a first mechanical slave cylinder.Type: GrantFiled: September 30, 2010Date of Patent: July 15, 2014Assignee: Carefusion 2200, Inc.Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Patent number: 8740883Abstract: A detachable control handle of a surgical device for use in positioning an instrument for use in a surgical procedure. The detachable control handle comprises: a handle assembly configured for communicating with a mechanical positioning mechanism via a connector, wherein said mechanical positioning mechanism is configured to couple with said instrument outside of a patient's body and to move said instrument relative to said patient's body, said handle assembly comprising: a control handle; a detaching mechanism coupled with said control handle, said detaching mechanism configured for detachably coupling said control handle with said mechanical positioning mechanism, wherein said control handle and said mechanical positioning mechanism are sealingly coupled with a first and second portion of a drape interface mechanism of a sterile drape, respectively, wherein said sterile drape is configured for isolating a portion of said surgical device within a sterile environment.Type: GrantFiled: September 30, 2010Date of Patent: June 3, 2014Assignee: Carefusion 2200, Inc.Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Patent number: 8640706Abstract: A surgical device for use in positioning an instrument for use in a surgical procedure. The surgical device comprises: a mechanical positioning mechanism configured to couple with an instrument outside of a patient's body and to move the instrument relative to said patient's body; a control mechanism comprising a detachable control handle configured to be detachably coupled with the mechanical positioning mechanism and is sealingly coupled with a drape interface mechanism of a sterile drape, the sterile drape being configured for isolating a portion of the surgical device within a sterile environment, the drape interface mechanism comprising a ring defining an opening through the sterile drape; and a connector operatively coupled with the control mechanism and the mechanical positioning mechanism and configured for causing the mechanical positioning mechanism to move the instrument by transmitting force applied by a human to the control mechanism through the connector.Type: GrantFiled: September 30, 2010Date of Patent: February 4, 2014Assignee: Carefusion 2200, Inc.Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Patent number: 8585662Abstract: A method for implanting an injection port within a patient. The method involves providing a port having a housing with a closed distal end, a open proximal end, a fluid reservoir therebetween, a needle penetrable septum attached to the housing about the opening, and at least one attachment mechanism mounted to the housing at a pivot point along an outer periphery of the housing. The attachment mechanism is an arcuate hook pivotable with respect to the housing, the arcuate hook having a length extending substantially at least 180° about the pivot point. The method further involves placing the distal end of the port adjacent tissue, and rotating the arcuate hook at least 180 degrees so that a free end of the hook extends into tissue and back out again.Type: GrantFiled: February 18, 2011Date of Patent: November 19, 2013Assignee: Ethicon Endo-Surgery, Inc.Inventors: Sean P. Conlon, Joshua Uth, How-Lun Chen
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Publication number: 20120080040Abstract: A sterile drape configured for isolating a portion of a surgical device within a sterile environment, comprising: a plurality of drape interface mechanisms comprising: at least one drape/handle interface mechanism comprising a first ring defining a first opening through the sterile drape and configured for coupling with a control mechanism, the control mechanism comprising a surgical device for controlling a surgical instrument; and at least one drape/shaft interface mechanism comprising a second ring defining a second opening through the sterile drape, and configured for sealingly receiving a shaft there through as the shaft moves with a piston and is detachably coupled with the piston, wherein the piston is configured for responding to a first set of control signals sent by a first mechanical manipulation mechanism via a first connector by moving between a proximal end and a distal end of a first mechanical slave cylinder.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Publication number: 20120080041Abstract: A surgical device for use in positioning an instrument for use in a surgical procedure. The surgical device comprises: a mechanical positioning mechanism configured to couple with an instrument outside of a patient's body and to move the instrument relative to said patient's body; a control mechanism comprising a detachable control handle configured to be detachably coupled with the mechanical positioning mechanism and is sealingly coupled with a drape interface mechanism of a sterile drape, the sterile drape being configured for isolating a portion of the surgical device within a sterile environment, the drape interface mechanism comprising a ring defining an opening through the sterile drape; and a connector operatively coupled with the control mechanism and the mechanical positioning mechanism and configured for causing the mechanical positioning mechanism to move the instrument by transmitting force applied by a human to the control mechanism through the connector.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Publication number: 20120083768Abstract: A detachable control handle of a surgical device for use in positioning an instrument for use in a surgical procedure. The detachable control handle comprises: a handle assembly configured for communicating with a mechanical positioning mechanism via a connector, wherein said mechanical positioning mechanism is configured to couple with said instrument outside of a patient's body and to move said instrument relative to said patient's body, said handle assembly comprising: a control handle; a detaching mechanism coupled with said control handle, said detaching mechanism configured for detachably coupling said control handle with said mechanical positioning mechanism, wherein said control handle and said mechanical positioning mechanism are sealingly coupled with a first and second portion of a drape interface mechanism of a sterile drape, respectively, wherein said sterile drape is configured for isolating a portion of said surgical device within a sterile environment.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Inventors: Brooke Skora, Jose Jacquez, How-Lun Chen
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Publication number: 20120083799Abstract: An interface mechanism comprising: a ring defining an opening and configured for sealingly receiving a shaft there through, the ring comprising: an inner portion; and an outer portion, wherein the inner portion is sealingly coupled with a portion of a distal end of a mechanical slave cylinder of a surgical device, and the outer portion is coupled with the inner portion and is sealingly coupled with a draping material, the draping material configured for isolating a portion of the surgical device within a sterile environment.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Inventors: How-Lun Chen, Brooke Skora
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Publication number: 20120065645Abstract: A protective sheath including a first portion configured to receive a medical instrument. The protective sheath also includes a second portion configured to accommodate movement of a distal end of the medical instrument within the second portion. The second portion is moveably coupled to the first portion. The protective sheath is configured to control contamination of the medical instrument when the medical instrument and the protective sheath are placed within a patient.Type: ApplicationFiled: September 10, 2010Publication date: March 15, 2012Inventors: Mark Doyle, How-Lun Chen
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Publication number: 20120065472Abstract: A protective sheath including a first portion configured to receive a medical instrument and a second portion configured to accommodate movement of a distal end of said medical instrument within the second portion. The second portion is movably coupled to the first portion. The protective sheath is configured to control contamination of the medical instrument when the medical instrument and the protective sheath are placed within a patient. The protective sheath also includes a tube configured to assist the medical instrument when the medical instrument and the protective sheath are placed within said patient. The tube is disposed along a length of the protective sheath.Type: ApplicationFiled: September 11, 2010Publication date: March 15, 2012Inventors: Mark Doyle, How-Lun Chen
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Publication number: 20110306952Abstract: A laparoscopic surgical device is provided, including a removable tool-comprising shaft having an outer shaft and an inner actuation rod that may be removably or permanently connected together. A handle of the device includes a two-button mechanism for engaging and releasing the removable tool-comprising shaft. The two-button mechanism is configured to engage overlapping corresponding apertures of the outer shaft and the inner rod that extends through the outer shaft.Type: ApplicationFiled: June 10, 2010Publication date: December 15, 2011Applicant: CareFusion 2200, Inc.Inventors: How-Lun Chen, Jesse Crumley, Robert F. Leonard
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Publication number: 20110178531Abstract: A control portion of a remotely controlled surgical device comprises a first set of controls, a second set of controls, and a function control mechanism. The first set of controls is configured for receiving motion from a human shoulder, arm, and hand and translating one or more of its received motion inputs into one or more macro motion control signals for controlling one or more macro motions associated with an articulating surgical instrument. The second set of controls is configured for receiving motion from the human shoulder, arm, and hand and translating one or more of its received motion inputs into one or more micro motion control signals for controlling one or more micro motions of the articulating surgical instrument. The function control mechanism is configured for receiving a function control input from a user of the control portion. The function control input is for controlling a function associated with the remotely controlled surgical device.Type: ApplicationFiled: August 26, 2010Publication date: July 21, 2011Inventors: Jimmy C. Caputo, How-Lun Chen, Craig Conner, Mark Doyle, David Gennrich, Curt Irwin, Jose Jacquez, Corey Magers, Brooke Skora, Dave Stroup
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Publication number: 20110144424Abstract: A method for implanting an injection port within a patient. The method involves providing a port having a housing with a closed distal end, a open proximal end, a fluid reservoir therebetween, a needle penetrable septum attached to the housing about the opening, and at least one attachment mechanism mounted to the housing at a pivot point along an outer periphery of the housing. The attachment mechanism is an arcuate hook pivotable with respect to the housing, the arcuate hook having a length extending substantially at least 180° about the pivot point. The method further involves placing the distal end of the port adjacent tissue, and rotating the arcuate hook at least 180 degrees so that a free end of the hook extends into tissue and back out again.Type: ApplicationFiled: February 18, 2011Publication date: June 16, 2011Applicant: ETHICON ENDO-SURGERY, INC.Inventors: Sean P. Conlon, Joshua Uth, How-Lun Chen
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Patent number: 7651483Abstract: An attachment mechanism for a surgically implantable medical device includes one or more fasteners which may be simultaneously moved from an undeployed position to a deployed position by operation of an integral actuator. The attachment mechanism may be configured to be deactuated, and the fasteners simultaneously moved from a deployed position to an undeployed position, allowing removal or repositioning of the medical device. An applier includes a locator for detachably holding the implantable medical device, locating it at the desired position, and actuating the attachment mechanism. The applier is configured to undeploy the attachment mechanism the implantable medical device can be detached from the body tissue.Type: GrantFiled: June 24, 2005Date of Patent: January 26, 2010Assignee: Ethicon Endo-Surgery, Inc.Inventors: Randal T. Byrum, Joshua Uth, Sean P. Conlon, How-Lun Chen
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Publication number: 20090093768Abstract: A method for implanting an injection port within a patient. The method involves providing a port having a housing with a closed distal end, a open proximal end, a fluid reservoir therebetween, a needle penetrable septum attached to the housing about the opening, and at least one attachment mechanism mounted to the housing at a pivot point along an outer periphery of the housing. The attachment mechanism is an arcuate hook pivotable with respect to the housing, the arcuate hook having a length extending substantially at least 180° about the pivot point. The method further involves placing the distal end of the port adjacent tissue, and rotating the arcuate hook at least 180 degrees so that a free end of the hook extends into tissue and back out again.Type: ApplicationFiled: December 12, 2008Publication date: April 9, 2009Inventors: Sean P. Conlon, Joshua Uth, How-Lun Chen
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Publication number: 20070293829Abstract: A method for implanting an injection port within a patient. The method involves providing a port having a housing with a closed distal end, a open proximal end, a fluid reservoir therebetween, a needle penetrable septum attached to the housing about the opening, and at least one attachment mechanism mounted to the housing at a pivot point along an outer periphery of the housing. The attachment mechanism is an arcuate hook pivotable with respect to the housing, the arcuate hook having a length extending substantially at least 180° about the pivot point. The method further involves placing the distal end of the port adjacent tissue, and rotating the arcuate hook at least 180 degrees so that a free end of the hook extends into tissue and back out again.Type: ApplicationFiled: August 27, 2007Publication date: December 20, 2007Inventors: Sean Conlon, Joshua Uth, How-Lun Chen
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Publication number: 20070208313Abstract: A method for implanting an injection port within a patient. The method involves providing a port having a housing with a closed distal end, a open proximal end, a fluid reservoir therebetween, a needle penetrable septum attached to the housing about the opening, and at least one attachment mechanism mounted to the housing at a pivot point along an outer periphery of the housing. The attachment mechanism is an arcuate hook pivotable with respect to the housing, the arcuate hook having a length extending substantially at least 180° about the pivot point. The method further involves placing the distal end of the port adjacent tissue, and rotating the arcuate hook at least 180 degrees so that a free end of the hook extends into tissue and back out again.Type: ApplicationFiled: May 7, 2007Publication date: September 6, 2007Applicant: Ethicon Endo-Surgery, Inc.Inventors: SEAN CONLON, Joshua Uth, How-Lun Chen
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Publication number: 20070010790Abstract: An attachment mechanism for a surgically implantable medical device includes one or more fasteners which may be simultaneously moved from an undeployed position to a deployed position by operation of an integral actuator. The attachment mechanism may be configured to be deactuated, and the fasteners simultaneously moved from a deployed position to an undeployed position, allowing removal or repositioning of the medical device. An applier includes a locator for detachably holding the implantable medical device, locating it at the desired position, and actuating the attachment mechanism. The applier is configured to undeploy the attachment mechanism the implantable medical device can be detached from the body tissue.Type: ApplicationFiled: June 24, 2005Publication date: January 11, 2007Inventors: Randal Byrum, Joshua Uth, Sean Conlon, How-Lun Chen
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Publication number: 20060217668Abstract: A method of implanting an injection port using the step of providing an injection port having a housing having a body, a fluid reservoir, a needle penetrable septum, and at least one stabilizing element mounted to the housing comprising a member having an undeployed position and a deployed position, wherein the stability element extends radially from the body. The method further involves the step of creating a surgical incision through the skin and subcutaneous fat layers of the patient to expose the fascia, and placing the injection port between the subcutaneous fat layer and the fascia tissue. The method even further involves the step of deploying the stability element.Type: ApplicationFiled: March 22, 2005Publication date: September 28, 2006Inventors: Dale Schulze, How-Lun Chen