Patents by Inventor Joseph Madsen
Joseph Madsen 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: 11896789Abstract: A device and system for flushing a shunt catheter utilizes the available cerebrospinal fluid (CSF) to flush a blocked catheter. The CSF is pressurized to a predetermined amount and then allowed to suddenly, rapidly and forcefully purge any occlusions. The rapid release of CSF produces flow jets from the catheter pores into the ventricle. This impulse, or “cough”, will push and divert choroid plexus and/or other blockages away from the pores. The device and system may then be allowed to refill at a slow rate, thus reducing the possibility of rapid suction of fluid back into the system and the attendant possibility of drawing the choroid plexus back into the pores. The catheter at the proximal end may also include back-up pores that can be opened to restart flow from the ventricle should the primary pores remain blocked after a flushing attempt.Type: GrantFiled: October 16, 2019Date of Patent: February 13, 2024Assignee: Children's Medical Center CorporationInventors: Joseph Madsen, Tomer Anor
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Publication number: 20200147356Abstract: A device and system for flushing a shunt catheter utilizes the available cerebrospinal fluid (CSF) to flush a blocked catheter. The CSF is pressurized to a predetermined amount and then allowed to suddenly, rapidly and forcefully purge any occlusions. The rapid release of CSF produces flow jets from the catheter pores into the ventricle. This impulse, or “cough”, will push and divert choroid plexus and/or other blockages away from the pores. The device and system may then be allowed to refill at a slow rate, thus reducing the possibility of rapid suction of fluid back into the system and the attendant possibility of drawing the choroid plexus back into the pores. The catheter at the proximal end may also include back-up pores that can be opened to restart flow from the ventricle should the primary pores remain blocked after a flushing attempt.Type: ApplicationFiled: October 16, 2019Publication date: May 14, 2020Applicant: Children's Medical Center CorporationInventors: Joseph Madsen, Tomer Anor
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Patent number: 10471239Abstract: A device and system for flushing a shunt catheter utilizes the available cerebrospinal fluid (CSF) to flush a blocked catheter. The CSF is pressurized to a predetermined amount and then allowed to suddenly, rapidly and forcefully purge any occlusions. The rapid release of CSF produces flow jets from the catheter pores into the ventricle. This impulse, or “cough”, will push and divert choroid plexus and/or other blockages away from the pores. The device and system may then be allowed to refill at a slow rate, thus reducing the possibility of rapid suction of fluid back into the system and the attendant possibility of drawing the choroid plexus back into the pores. The catheter at the proximal end may also include back-up pores that can be opened to restart flow from the ventricle should the primary pores remain blocked after a flushing attempt.Type: GrantFiled: March 4, 2014Date of Patent: November 12, 2019Assignee: Children's Medical Center CorporationInventors: Joseph Madsen, Tomer Anor
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Publication number: 20160038724Abstract: A device and system for flushing a shunt catheter utilizes the available cerebrospinal fluid (CSF) to flush a blocked catheter. The CSF is pressurized to a predetermined amount and then allowed to suddenly, rapidly and forcefully purge any occlusions. The rapid release of CSF produces flow jets from the catheter pores into the ventricle. This impulse, or “cough”, will push and divert choroid plexus and/or other blockages away from the pores. The device and system may then be allowed to refill at a slow rate, thus reducing the possibility of rapid suction of fluid back into the system and the attendant possibility of drawing the choroid plexus back into the pores. The catheter at the proximal end may also include back-up pores that can be opened to restart flow from the ventricle should the primary pores remain blocked after a flushing attempt.Type: ApplicationFiled: March 4, 2014Publication date: February 11, 2016Applicant: Children's Medical Center CorporationInventors: Joseph Madsen, Tomer Anor
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Publication number: 20060241545Abstract: Microfluidic shunt valves are disclosed having a deflectable element capable of being held in a closed position to occlude the passage of fluid between an inlet and outlet and, when not held in the closed position, the deflectable element is adapted to oscillate in response to fluid pressure pulses and thereby facilitate fluid passage through the valve. Controls for activating the deflectable element to permit fluid passage are also included.Type: ApplicationFiled: April 20, 2005Publication date: October 26, 2006Applicants: CHILDREN'S MEDICAL CENTER CORPORATION, NEW JERSEY INSTITUTE OF TECHNOLOGYInventors: Joseph Madsen, Dentcho Ivanov
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Publication number: 20060075648Abstract: The invention relates to apparatus and methods for measuring a human head. The apparatus disclosed herein involve the use of linear rulers, or rotating contacting members, coupled to a support member. The apparatus disclosed herein can be positioned on a human head, using the methods disclosed herein, to determine the outer contour of the head. Such a measurement can aid in the diagnosis and monitoring of various abnormalities of the human head, including plagiocephaly.Type: ApplicationFiled: September 23, 2005Publication date: April 13, 2006Inventors: Joseph Madsen, James Goldie, Kristen Choppy, Thieu Truong
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Publication number: 20060042013Abstract: The present invention relates to a head support device for the treating and prevention of plagiocephaly in infants. The device removes pressure from a desired area of an infant's head.Type: ApplicationFiled: August 31, 2004Publication date: March 2, 2006Applicant: Children's Hospital BostonInventor: Joseph Madsen
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Publication number: 20050223580Abstract: The invention relates to apparatus and methods for measuring a human head. The apparatus disclosed herein involve the use of linear rulers, or rotating contacting members, coupled to a support member. The apparatus disclosed herein can be positioned on a human head, using the methods disclosed herein, to determine the outer contour of the head. Such a measurement can aid in the diagnosis and monitoring of various abnormalities of the human head, including plagiocephaly.Type: ApplicationFiled: February 28, 2005Publication date: October 13, 2005Applicant: Children's Hospital BostonInventor: Joseph Madsen