Patents by Inventor Allen B. Kantrowitz
Allen B. Kantrowitz 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).
-
Publication number: 20130006186Abstract: A device for reducing agent penetration at an insertion site is provided that has a porous inner sleeve fluidly connected to a conduit. A vacuum or hydrodynamic source is fluidly connected to the conduit. The device is stabilized by fibroblast in-growth and inhibits bacterial colonization. A device is also provided that has a conduit having a bore and an outer conduit surface. The outer conduit surface is optionally nanotextured to promote fibroblast adhesion and limit bacterial residency. A sleeve is provided in fluid communication with the bore of the conduit, and is formed from materials characterized by a pore matrix through which vacuum or hydrodynamic draw is achieved in a process to promote stabilization and reducing bacterial colonization by draw fluid from an area around the surrounding the site of the device. The sleeve optionally has a distal nanotextured surface.Type: ApplicationFiled: March 9, 2012Publication date: January 3, 2013Applicant: L-VAD Technology, Inc.Inventors: Allen B. Kantrowitz, Chris Mortin, Daniel C. Wadsworth, JR.
-
Publication number: 20120310181Abstract: A device for reducing agent penetration at an insertion site is provided that has a porous inner sleeve fluidly connected to a conduit. A vacuum or hydrodynamic source is fluidly connected to the conduit. The device is stabilized by fibroblast in-growth and inhibits bacterial colonization. A device is also provided that has a conduit having a bore and an outer conduit surface. The outer conduit surface is optionally nanotextured to promote fibroblast adhesion and limit bacterial residency. A sleeve is provided in fluid communication with the bore of the conduit, and is formed from materials characterized by a pore matrix through which vacuum or hydrodynamic draw is achieved in a process to promote stabilization and reducing bacterial colonization by draw fluid from an area around the surrounding the site of the device. The sleeve optionally has a distal nanotextured surface.Type: ApplicationFiled: February 23, 2011Publication date: December 6, 2012Applicant: L-VAD Technology, Inc.Inventors: Allen B. Kantrowitz, Chris Mortis, Daniel C. Wadsworth, JR.
-
Patent number: 8287818Abstract: Improved systems and methods are provided for monitoring compliance with an order for a patient specimen. Broadly, an inventive system incorporates a machine readable wireless identification and sensor technology to provide feedback to a caregiver regarding compliance with a specimen order. In particular, a system for monitoring compliance with an order for a specimen is provided which includes a specimen container having an attached machine readable wireless tag. The tag contains specimen container characteristic information. The tagged container aids in indicating to a user whether the correct specimen container type has been chosen. Further, a system is provided which includes a sensor useful in indicating whether a sufficient quantity of specimen has been obtained in order to perform the requested laboratory test as part of the patient's care.Type: GrantFiled: July 18, 2006Date of Patent: October 16, 2012Inventors: Allen B. Kantrowitz, In K. Mun
-
Patent number: 8226541Abstract: Disclosed herein are methods of making aortic counter pulsation cardiac assist devices for assisting cardiac function of a patient. The methods can comprise performing at least one medical imaging procedure on an aorta of the patient, selecting at least one active segment of the aortic counter pulsation cardiac assist device based on anatomic information resulting from the at least one medical imaging procedure, and assembling the at least one active segment to accommodate the anatomic information prior to surgical implantation. The methods can further comprise designing individual custom active segment modules to custom fit a patient, providing a series of different individual, pre-manufactured active segment modules that are assembled to custom fit the patient, or providing a range of stock segment configurations manufactured based on previously determined common configurations and selecting one for a particular patient.Type: GrantFiled: May 20, 2008Date of Patent: July 24, 2012Assignee: L. Vad Technology, Inc.Inventor: Allen B. Kantrowitz
-
Publication number: 20120150149Abstract: A process to facilitate growing of cells on a nanotextured percutaneous portal is provided that includes the placement of a nanotextured percutaneous portal partially within a subject. A vacuum manifold is secured to the nanotextured percutaneous portal. Upon coupling the vacuum manifold to a vacuum source, the growth of the cells is facilitated.Type: ApplicationFiled: February 13, 2012Publication date: June 14, 2012Inventor: Allen B. Kantrowitz
-
Publication number: 20120137402Abstract: A protective barrier, such as a medical examination glove is provided that includes a bracelet defining a plane with a cylinder attached to the bracelet at a first end. The cylinder is compressed into a compressed conformation in the plane without rolling about the bracelet. When the barrier is a glove, three fenestrated caps are provided, each such cap attached to the cylinder at different locations along the length of the cylinder when said first cylinder is in an extended conformation. Multiple finger cylinders are each attached to the cylinder at a location of a fenestrated cap, the finger cylinders each having an end cap. The first cylinder and the finger cylinders each compressed into a compressed conformation in the plane such that each of the caps forms a portion of the surface of the plane.Type: ApplicationFiled: December 3, 2010Publication date: June 7, 2012Inventors: Allen B. Kantrowitz, In Ki Mun
-
Patent number: 7976452Abstract: Disclosed herein are embodiments of long-term ambulatory intra-aortic balloon pump systems for providing left ventricular cardiac assistance to a patient. The systems can comprise an external drive system for supplying a compressed fluid, the drive system operating in accordance with a control program stored in memory, an intra-luminal balloon pump having an elongate inflatable chamber positionable to be lying completely within a descending aorta of the patient, and a percutaneous access device. The percutaneous access device can be a biocompatible implantable portal comprising a communicative passage through an interior bore and an exterior having a neck region adapted to promote autologous cell growth thereon in an implantable region, the neck region having a plurality of channels extending about the neck region.Type: GrantFiled: May 20, 2008Date of Patent: July 12, 2011Assignee: L.Vad Technology, Inc.Inventor: Allen B. Kantrowitz
-
Patent number: 7846083Abstract: A pump has an elongated shell with a generally elliptical shape, an outer convex surface and an inner concave surface. A peripheral side edge located between the inner and outer surfaces terminates in a bead edge. A flexible airtight membrane has a membrane edge bonded to the outer shell surface adjacent to the bead edge. Preforming the membrane edge looped with a maximum linear span of curvature that is greater than a maximal transverse linear extent of the bead edge, membrane operational wear during inflation and deflation cycles is reduced in the region around the bead edge. A process of forming a blood pump with a membrane preform is also provided.Type: GrantFiled: February 27, 2007Date of Patent: December 7, 2010Inventors: Robert M. Smith, Roger W. Snyder, Adrian Kantrowitz, Allen B. Kantrowitz
-
Patent number: 7767457Abstract: An investigation process includes dispersing particulate taggants at a transit point with recordation of the transit point location. A subject passing the transit point has adhered to them at least one taggant from the transit point. Collection of the at least one taggant from the area of investigation allows an investigator to assign the location of the dispersal step to a path taken by the subject between the transit point and the area of investigation.Type: GrantFiled: July 28, 2004Date of Patent: August 3, 2010Inventors: InKi Mun, Allen B. Kantrowitz
-
Publication number: 20100143577Abstract: A biocompatible implantable portal is provided that has a wall defining a communicative passage through an interior bore. The exterior of the portal has a neck region adapted to promote autologous cell growth on the neck region. A series of channels are provided on the exterior neck region to facilitate autologous cell growth while disfavoring fluid pooling and bacterial growth. Typical channel widths are from 20 to 300 microns, with adjacent channels being separated by plateaus having a width of between 0 and 600 microns. Providing the portal exterior neck region with a texture varying on a nanometer length scale facilitates autologous cell growth. Applying a coating such as a tissue scaffolding matrix to the neck region prior to implantation also facilitates cell growth. A coupling or a manifold encompassing the neck region facilitates the draw of vacuum and/or mechanical protection for the growing cells.Type: ApplicationFiled: February 8, 2010Publication date: June 10, 2010Inventor: Allen B. Kantrowitz
-
Patent number: 7704225Abstract: A biocompatible implantable portal is provided that has a wall defining a communicative passage through an interior bore. The exterior of the portal has a neck region adapted to promote autologous cell growth on the neck region. A series of channels are provided on the exterior neck region to facilitate autologous cell growth while disfavoring fluid pooling and bacterial growth. Typical channel widths are from 20 to 300 microns, with adjacent channels being separated by plateaus having a width of between 0 and 600 microns. Providing the portal exterior neck region with a texture varying on a nanometer length scale facilitates autologous cell growth. Applying a coating such as a tissue scaffolding matrix to the neck region prior to implantation also facilitates cell growth. A coupling or a manifold encompassing the neck region facilitates the draw of vacuum and/or mechanical protection for the growing cells.Type: GrantFiled: July 27, 2006Date of Patent: April 27, 2010Assignee: L-VAD Technology, Inc.Inventor: Allen B. Kantrowitz
-
Patent number: 7683781Abstract: A system for verifying patient identity is detailed which allows hospital personnel to reduce error in patient care due to misidentification of a patient. Broadly, an inventive system for verifying patient identity includes a machine readable wireless identification tag containing identification information, the tag attached to an identification badge worn by a patient, a device having data input and output capacity, processing circuitry, memory circuitry and an executable program for analysis of data transmitted from the tag, and a machine wireless reader in data communication with the tag and the device. Also included is a signal display element for displaying a signal to a user, the signal display element disposed on the device or the reader. Further, an alert system is provided for alerting hospital personnel to presence of an object or person having a machine readable wireless tag not associated with a first patient in proximity to the first patient.Type: GrantFiled: July 18, 2006Date of Patent: March 23, 2010Inventors: Allen B. Kantrowitz, In K. Mun
-
Patent number: 7652557Abstract: A transponder-equipped ID tag is provided, deriving its power from an incoming interrogating optical signal. The invention relates to a transponder-equipped ID tag that is able to extract power from the incident corresponding interrogation signal and temporarily store it in an internal energy storage device. Optionally, optical transmission is used as either a transmission mode only into the tag or a transmission mode only away from the tag. The inventive optical means of transmission may be combined with either RF transmission into the tag and/or RF transmission away from the tag.Type: GrantFiled: February 11, 2005Date of Patent: January 26, 2010Inventors: Allen B. Kantrowitz, In Ki Mun
-
Patent number: 7636032Abstract: A process for tracking an object within an inventory control space is provided. The space is illustratively a medical care delivery setting. An active radiofrequency (RFID) tag is encoded with a single-use code and associated with an inventory item. After a trigger event, the RFID tag transmits a modified broadcast. The single-use code that is a new number with at least one sparse digit or a new secondary number with a retained primary digit. An RFID tag configured to retain such a code scheme is provided. A hospital inventory item labeled with such an RFID tag is also provided.Type: GrantFiled: November 30, 2006Date of Patent: December 22, 2009Inventors: Allen B. Kantrowitz, In Ki Mun
-
Publication number: 20090294531Abstract: An inventory control process includes the association of an inventory item with a reusable container at an origination point. The container is inclusive of a passive or active identification tag. The container is transported within the range of a transponder able to share information with the identification tag. Upon reaching a destination point, the inventory item is unpacked from the container and the container recycled for association with a new inventory item. An inventory delivery device includes a reusable container labeled with an active identification tag. An inventory item is inserted within the container. A disposable tamper-evident seal retaining the inventory item with the container is provided. The device is particularly well suited for transportation for timely and high clinical value items within a medical care setting.Type: ApplicationFiled: March 3, 2009Publication date: December 3, 2009Inventors: Allen B. Kantrowitz, In Ki Mun
-
Publication number: 20090131741Abstract: Disclosed herein are methods of making aortic counter pulsation cardiac assist devices for assisting cardiac function of a patient. The methods can comprise performing at least one medical imaging procedure on an aorta of the patient, selecting at least one active segment of the aortic counter pulsation cardiac assist device based on anatomic information resulting from the at least one medical imaging procedure, and assembling the at least one active segment to accommodate the anatomic information prior to surgical implantation. The methods can further comprise designing individual custom active segment modules to custom fit a patient, providing a series of different individual, pre-manufactured active segment modules that are assembled to custom fit the patient, or providing a range of stock segment configurations manufactured based on previously determined common configurations and selecting one for a particular patient.Type: ApplicationFiled: May 20, 2008Publication date: May 21, 2009Inventor: Allen B. Kantrowitz
-
Patent number: 7513864Abstract: A cardiac assist device synchronization system includes a cardiac assist device and an acoustic or accelerometer sensor that provides a signal input to the cardiac assist device indicative of aortic valve closure. The cardiac assist device is coupled to a mammalian aorta and includes an inflatable chamber and a fluid pump. A fluid conduit is in communication between the chamber and the pump to provide for selective inflation of the chamber. A pump controller triggers the pump in counter-pulsation to a mammalian heart upstream from the aorta. A process for synchronizing a cardiac assist device in counter-pulsation with a left ventricle includes locating an acoustic or accelerometer sensor within a thoracic cavity of a mammal having the assist device coupled to the aorta of the mammal.Type: GrantFiled: July 11, 2005Date of Patent: April 7, 2009Inventors: Allen B. Kantrowitz, Adrian Kantrowitz
-
Patent number: 7468050Abstract: A long term intra-aortic balloon pump (LTIABP) includes an enlarged pumping chamber on the order of 50 cc to 65 cc, inclusive. The pumping chamber is an intra luminal, large volume, long term balloon pump. The balloon pump can include tapered longitudinal ends and/or be segmented into a plurality of pumping chamber segments, each pumping chamber subsegment separated by a flexible power conduit link, where the diameter of the pumping chamber subsegments are independent of one another such as decreasing in size as the subsegments are further from the heart to accommodate the decreasing diameter of the aorta. The LTIABP can be used with any skin connector, or can be used with a percutaneous access device (PAD). The PAD can be sized and shaped to be surgically implanted in any desired location of the patient corresponding to the particular entry selected for implantation of a temporary IABP or LTIABP.Type: GrantFiled: December 24, 2003Date of Patent: December 23, 2008Assignee: L. Vad Technology, Inc.Inventor: Allen B. Kantrowitz
-
Publication number: 20080281412Abstract: An implantable aortic blood pump includes a rigid body having wall extending along a long axis and defining an inflation port portion with an inflation aperture therethrough. The aperture is fluid communication with an inner surface of the body and on a fluid supply, the body is preferably independent of an external brace or an external stiffener, yet still has a cantilevered deformation of less than 8 millimeters in response to a 200 gram weight suspended from a front body edge. A deflecting structure of a membrane deflects in response to fluid pressure so as to pump blood when the pump is secured to a subject aorta.Type: ApplicationFiled: May 14, 2008Publication date: November 13, 2008Inventors: Robert M. Smith, Adrian Kantrowitz, Valluvan Jeevanandam, Allen B. Kantrowitz, Paul S. Freed
-
Publication number: 20080281147Abstract: Disclosed herein are embodiments of long-term ambulatory intra-aortic balloon pump systems for providing left ventricular cardiac assistance to a patient. The systems can comprise an external drive system for supplying a compressed fluid, the drive system operating in accordance with a control program stored in memory, an intra-luminal balloon pump having an elongate inflatable chamber positionable to be lying completely within a descending aorta of the patient, and a percutaneous access device. The percutaneous access device can be a biocompatible implantable portal comprising a communicative passage through an interior bore and an exterior having a neck region adapted to promote autologous cell growth thereon in an implantable region, the neck region having a plurality of channels extending about the neck region.Type: ApplicationFiled: May 20, 2008Publication date: November 13, 2008Inventor: Allen B. Kantrowitz