Patents by Inventor Drew A. Hoffmann

Drew A. Hoffmann 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).

  • Patent number: 8652123
    Abstract: Cellulite is treated by severing septae, which interconnects the skin with the underlying muscle. The septae may be severed in connection with a liposuction procedure or independent of a liposuction procedure.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: February 18, 2014
    Inventors: Geoffrey C. Gurtner, Kenneth N. Horne, Drew A. Hoffmann, Gordon Saul
  • Patent number: 8563037
    Abstract: Disclosed are compositions, methods, and kits for joining together non-conjoined lumens in a patient's body including vascular lumens. More particularly, in various aspects, this invention provides compositions, methods, and kits for joining such non-conjoined lumens, including small lumens typically requiring microsurgical technique.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: October 22, 2013
    Assignee: TauTona Group, L.P.
    Inventors: C. Travis Rappleye, Joseph Rimsa, Drew A. Hoffmann
  • Publication number: 20100204718
    Abstract: Disclosed are compositions, methods, and kits for joining together non-conjoined lumens in a patient's body including vascular lumens. More particularly, in various aspects, this invention provides compositions, methods, and kits for joining such non-conjoined lumens, including small lumens typically requiring microsurgical technique.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 12, 2010
    Inventors: C. Travis Rappleye, Joseph Rimsa, Drew A. Hoffmann
  • Publication number: 20100057056
    Abstract: Cellulite is treated by severing septae, which interconnects the skin with the underlying muscle. The septae may be severed in connection with a liposuction procedure or independent of a liposuction procedure.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 4, 2010
    Inventors: Geoffrey C. Gurtner, Kenneth N. Horne, Drew A. Hoffmann, Gordon Saul
  • Patent number: 6431173
    Abstract: A method for treating arrhythmias which includes the steps of detecting an arrhythmia, and, in response to detection of the arrhythmia, delivering electrical energy to a targeted part of myocardial tissue in such a manner as to create a transient conduction block in the targeted part of the myocardial tissue without causing permanent damage to the targeted part of the myocardial tissue. The electrical energy can be continuous or pulsed RF, or continuous or pulsed DC. The detected arrhythmia can be atrial fibrillation, atrial flutter, ventricular fibrillation, or other type of arrhythmia. The targeted part of the myocardial tissue constitutes a critical part of the reentrant pathway or reentrant circuit required to sustain the detected arrhythmia. The electrical energy is preferably delivered via a catheter-based electrode which is in direct contact with the targeted part of the myocardial tissue, for either a prescribed period of time or until the arrhythmia is no longer detected (i.e., is terminated).
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: August 13, 2002
    Assignee: Pacesetter, Inc.
    Inventor: Drew A. Hoffmann
  • Patent number: 6070590
    Abstract: A method for treating arrhythmias which includes the steps of detecting an arrhythmia, and, in response to detection of the arrhythmia, delivering electrical energy to a targeted part of myocardial tissue in such a manner as to create a transient conduction block in the targeted part of the myocardial tissue without causing permanent damage to the targeted part of the myocardial tissue. The electrical energy can be continuous or pulsed RF, or continuous or pulsed DC. The detected arrhythmia can be atrial fibrillation, atrial flutter, ventricular fibrillation, or other type of arrhythmia. The targeted part of the myocardial tissue constitutes a critical part of the reentrant pathway or reentrant circuit required to sustain the detected arrhythmia. The electrical energy is preferably delivered via a catheter-based electrode which is in direct contact with the targeted part of the myocardial tissue, for either a prescribed period of time or until the arrhythmia is no longer detected (i.e., is terminated).
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: June 6, 2000
    Assignee: Pacesetter, Inc.
    Inventor: Drew A. Hoffmann
  • Patent number: 5902329
    Abstract: An extractable lead and method for chronic blood contacting use. The new lead contains a hydrogel coating having a thickness increase greater than 10% when hydrated. A thick coating is used to provide a shear layer so that the coating tears during extraction, either at the coating/lead interface, between layers of the coating itself, or at the coating/tissue interface. Furthermore, because of the flexibility of such a thick coating, contracture of any fibrous capsule that may have formed is not a problem during extraction, since instead of contracting onto the lead, it contracts onto the flexible coating which can be extracted out of the tight capsule.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: May 11, 1999
    Assignee: Pacesetter, Inc.
    Inventors: Drew A. Hoffmann, Dean F. Carson
  • Patent number: 5845396
    Abstract: A method for making a co-radial, multi-polar coiled cable lead. The method includes the steps of attaching a first end of a coated cable to a mandrel using a first end fixture. The coated cable comprises one or more cable strands, where each strand is made from one or more filaments. After the first end of the cable is attached to the mandrel, the cable is wound around the mandrel to form a coiled cable. A second end of the coiled cable is then attached to the mandrel using a second end fixture to retain the coiled cable under tension. Second stage processing is then performed on the coiled cable so that the end fixtures may be subsequently removed from the coiled cable without the coiled cable unwinding. After the second stage processing is complete, the coiled cable can be used in the manufacture of an implantable lead.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: December 8, 1998
    Assignee: Pacesetter, Inc.
    Inventors: Peter A. Altman, Drew A. Hoffmann
  • Patent number: 5683447
    Abstract: A lead system for use with an implantable pacemaker/cardioverter/defibrillator. The lead system includes a securable pace/sense electrode positioned between the distal tip of the lead and the tricuspid valve. The distal tip of the lead is positioned at the apex of the right ventricle and may or may not be secured there by a second fixation means such as a screw tip or tines. The securable pace/sense electrode allows the defibrillation electrode to be accurately positioned by the patient's surgeon and maintained in intimate contact with the septum wall of the patient's heart, thereby reducing defibrillation thresholds; it provides a sense signal from the region of the His bundle or AV node, which can be used with other electrodes to distinguish between various arrhythmias; and it provides more physiologic pacing leading to greater cardiac output.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: November 4, 1997
    Assignee: Ventritex, Inc.
    Inventors: M. Elizabeth Bush, Eric S. Fain, Drew A. Hoffmann, Benjamin D. Pless
  • Patent number: 5534022
    Abstract: An implantable defibrillator lead having an improved integrated bipolar defibrillation electrode is disclosed. The defibrillation electrode is electrically connected to the lead conductor at the distal end, and has an increased surface area portion at the distal end, for bipolar sensing with a right ventricular pacing electrode.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: July 9, 1996
    Assignee: Ventritex, Inc.
    Inventors: Drew A. Hoffmann, M. Elizabeth Bush
  • Patent number: 5496360
    Abstract: A body implantable electrode with rate controlled drug delivery is disclosed. A body implantable lead is provided for the delivery of stimulation energy to a desired body site includes a drug dispenser carried by the lead which retains a drug to be dispensed at least adjacent the desired body stimulation site. The drug may be one which is intended to counter thrombus formation, fibrosis, inflammation or arrhythmias, for example. The drug may be in liquid or powder form retained in a reservoir carried by the lead. The reservoir is formed as a pump which controls dispensing of the drug using a fluid drawing agent such as a salt.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: March 5, 1996
    Assignee: Ventritex, Inc.
    Inventors: Drew A. Hoffmann, M. Elizabeth Bush
  • Patent number: 5456706
    Abstract: A lead for use with an implantable cardioverter/defibrillator system is disclosed. In the preferred embodiment, the lead combines a right ventricular endocardial electrode, a superior vena cava electrode and one or more atrial sensing electrodes on a single catheter lead. The distal end of the lead is transvenously implanted, typically through an incision in the cephalic or subclavian vein. The proximal end of the lead is then tunneled below the fascia to the location of the pulse generator. Ventricular sensing and/or pacing electrode(s) may also be included at the distal end of the combined lead to provide ventricular intracardiac electrogram sensing and bradycardia pacing.
    Type: Grant
    Filed: January 4, 1994
    Date of Patent: October 10, 1995
    Assignee: Ventritex, Inc.
    Inventors: Benjamin D. Pless, Drew A. Hoffmann, Michael B. Sweeney, M. Elizabeth Bush, Steven M. Mitchell