Patents by Inventor Mukund R. Patel
Mukund R. Patel 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: 6887951Abstract: The present printing process provides a multilayer coating system comprising a low viscosity, latent, heat-curable thermoplastic adhesive layer, colored ink interlayer, and an abrasion-resistant top lacquer layer that can be utilized for production of heat transferable labels suitable for labeling bottles and other containers that are subjected for over ten cycles to immersion in heated aqueous sodium hydroxide solution for cleaning prior to re-use.Type: GrantFiled: April 3, 2003Date of Patent: May 3, 2005Assignee: Gotham Ink CorporationInventors: Mukund R. Patel, Robert E. Lafler
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Patent number: 6849068Abstract: Aspiration catheters suitable for use in the treatment of an occlusion in a blood vessel are disclosed. These catheters are especially useful in the removal of occlusions from saphenous vein grafts, the coronary and carotid arteries, arteries above the aortic arch and even smaller vessels. The catheters of the present invention are provided in either over-the-wire or in single operator form. Radiopaque markers are preferably incorporated into distal ends of the catheters to facilitate their positioning within the body. The catheters are provided with varying flexibility along the length of the shaft, such that they are soft and flexible enough to be navigated through the vasculature of a patient without causing damage, but are stiff enough to sustain the axial push required to position the catheter properly and to sustain the aspiration pressures.Type: GrantFiled: December 6, 1999Date of Patent: February 1, 2005Assignee: Medtronic AVE, Inc.Inventors: Celso J. Bagaoisan, Hung V. Ha, Mukund R. Patel, Sivette Lam
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Patent number: 6797747Abstract: A heat-transfer label is particularly well-suited for use on silane-treated glass containers of the type that are subjected to pasteurization conditions, regardless of whether the glass containers have been pre-treated previously with polyethylene, oleic acid, stearate or the like. The heat transfer label comprises (a) a support portion consisting of a sheet of paper or film overcoated with a layer of releasable material such as polyethylene and (b) a transfer portion over said support portion for transfer of the transfer portion from the support portion to an article, upon application of heat to the support portion, and placing the transfer portion in contact with the article.Type: GrantFiled: January 3, 2002Date of Patent: September 28, 2004Assignee: Gotham Ink CorporationInventors: Mukund R. Patel, Robert E. Lafler
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Patent number: 6793989Abstract: A heat-transfer label is particularly well-suited for use on silane-treated glass containers of the type that are subjected to pasteurization conditions, regardless of whether the glass containers have been pre-treated previously with polyethylene, oleic acid, stearate or the like. The heat transfer label comprises (a) a support portion consisting of a sheet of paper or film overcoated with a layer of releasable material such as polyethylene and (b) a transfer portion over the support portion for transfer of the transfer portion from the support portion to an article, upon application of heat to the support portion, and placing the transfer portion in contact with the article.Type: GrantFiled: January 28, 2003Date of Patent: September 21, 2004Assignee: Gotham Ink CorporationInventors: Mukund R. Patel, Robert E. Lafler
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Patent number: 6790204Abstract: A method for the treatment of a stenosis or an occlusion in a blood vessel is disclosed in which a main catheter is first delivered to a site proximal to the occlusion. The main catheter may include an occlusive device at its distal end. An inner catheter or elongate member (e.g., a guidewire) having an occlusive device at its distal end is delivered to the site of the occlusion, and the occlusive device is activated at a site distal to the occlusion. A therapy catheter is then introduced to treat the occlusion. Next, a catheter is delivered just proximal to the occlusive device, and this catheter is used to aspirate and/or irrigate the area removing particles and debris. The aspiration and irrigation steps are preferably repeated until the particles and debris are removed. Perfusion may be performed by using a perfusion-filter distal of the lesion to be treated or a hypotube which extends beyond the occlusive device attached to the guidewire.Type: GrantFiled: April 15, 2003Date of Patent: September 14, 2004Assignee: Medtronic Vascular, Inc.Inventors: Gholam-Reza Zadno-Azizi, Mukund R. Patel, Ketan P. Muni, Celso J. Bagaosian, Hung V. Ha
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Publication number: 20040054347Abstract: A method for the treatment of a stenosis or an occlusion in a blood vessel is disclosed in which a main catheter is first delivered to a site proximal to the occlusion. The main catheter may include an occlusive device at its distal end. An inner catheter or elongate member (e.g., a guidewire) having an occlusive device at its distal end is delivered to the site of the occlusion, and the occlusive device is activated at a site distal to the occlusion. A therapy catheter is then introduced to treat the occlusion. Next, a catheter is delivered just proximal to the occlusive device, and this catheter is used to aspirate and/or irrigate the area removing particles and debris. The aspiration and irrigation steps are preferably repeated until the particles and debris are removed. Perfusion may be performed by using a perfusion-filter distal of the lesion to be treated or a hypotube which extends beyond the occlusive device attached to the guidewire.Type: ApplicationFiled: April 15, 2003Publication date: March 18, 2004Inventors: Gholam-Reza Zadno-Azizi, Mukund R. Patel, Ketan P. Muni, Celso J. Bagaoisan, Hung V. Ha
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Patent number: 6610397Abstract: A heat-activatable, alkali-removable labelling system comprises a support portion and a transfer portion over said support portion for transfer of the transfer portion from the support portion to an article upon application of heat to the support portion while the transfer portion is placed in contact with the article. The transfer portion comprises an optional, optionally alkali-removable, organic solvent soluble acrylic protective layer; an optionally alkali-removable, organic solvent soluble ink layer over said protective layer; and an alkali-removable, heat-activatable, organic solvent soluble acrylic adhesive layer over said ink layer.Type: GrantFiled: March 20, 2001Date of Patent: August 26, 2003Inventors: Mukund R. Patel, Robert E. Lafler
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Patent number: 6605074Abstract: A method for the treatment of a stenosis or an occlusion in a blood vessel is disclosed in which a main catheter is first delivered to a site proximal to the occlusion. The main catheter may include an occlusive device at its distal end. An inner catheter or elongate member (e.g., a guidewire) having an occlusive device at its distal end is delivered to the site of the occlusion, and the occlusive device is activated at a site distal to the occlusion. A therapy catheter is then introduced to treat the occlusion. Next, a catheter is delivered just proximal to the occlusive device, and this catheter is used to aspirate and/or irrigate the area removing particles and debris. The aspiration and irrigation steps are preferably repeated until the particles and debris are removed. Perfusion may be performed by using a perfusion-filter distal of the lesion to be treated or a hypotube which extends beyond the occlusive device attached to the guidewire.Type: GrantFiled: September 16, 2002Date of Patent: August 12, 2003Assignee: Medtronic AVE, Inc.Inventors: Gholam-Reza Zadno-Azizi, Mukund R. Patel, Ketan P. Muni, Celso J. Bagaoisan, Hung V. Ha
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Patent number: 6554795Abstract: Disclosed herein is a compliant catheter balloon with an improved elastic response and reduced longitudinal expansion, and a method of forming the same. The balloon comprises a SEBS block copolymer, which is longitudinally pre-stretched during the balloon manufacture process. In order to control the working length of a balloon on a catheter, at least one adhesive stop is provided on the catheter which prevents adhesive from wicking into the working length of the balloon. Preferably, a pair of thermoset tubings with an outer diameter size close to the size of the inner diameter of the balloon are inserted on the distal portion of the catheter. After the proper placement of the balloon, the adhesive is applied at the balloon's proximal and distal ends. As the adhesive wicks to the balloon, the thermoset tubings will eventually stop the adhesive to prevent further wicking of adhesive into the balloon's working length.Type: GrantFiled: February 19, 1998Date of Patent: April 29, 2003Assignee: Medtronic Ave, Inc.Inventors: Celso J. Bagaoisan, Ketan P. Muni, Hung V. Ha, Sivette Lam, Gholam-Reza Zadno-Azizi, Mukund R. Patel
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Publication number: 20030023227Abstract: A method for the treatment of a stenosis or an occlusion in a blood vessel is disclosed in which a main catheter is first delivered to a site proximal to the occlusion. The main catheter may include an occlusive device at its distal end. An inner catheter or elongate member (e.g., a guidewire) having an occlusive device at its distal end is delivered to the site of the occlusion, and the occlusive device is activated at a site distal to the occlusion. A therapy catheter is then introduced to treat the occlusion. Next, a catheter is delivered just proximal to the occlusive device, and this catheter is used to aspirate and/or irrigate the area removing particles and debris. The aspiration and irrigation steps are preferably repeated until the particles and debris are removed. Perfusion may be performed by using a perfusion-filter distal of the lesion to be treated or a hypotube which extends beyond the occlusive device attached to the guidewire.Type: ApplicationFiled: September 16, 2002Publication date: January 30, 2003Inventors: Gholam-Reza Zadno-Azizi, Mukund R. Patel, Ketan P. Muni, Celso J. Bagaoisan, Hung V Ha
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Publication number: 20020177800Abstract: Various methods and apparatus are provided for aspirating emboli and other particles from the vasculature of a patient, particularly within saphenous vein grafts, coronary arteries, carotid arteries and similar vessels. One embodiment of an aspiration catheter is particularly well suited for delivery over a guidewire. Preferably, the guidewire is hollow and carries a distal occlusive device, and has a low profile to facilitate passage into small vessels. The aspiration catheter comprises an elongate body having a guidewire lumen positioned within an aspiration lumen, thereby providing a low profile catheter having a round cross-sectional shape. The aspiration lumen has an angled aspiration mouth which improves evacuation efficiency, and facilitates aspiration of larger particles within vessels. The angle of the aspiration mouth prevents suction between the mouth and the occlusive device, thereby reducing forced movement of the occlusive device while it is deployed during aspiration procedures.Type: ApplicationFiled: April 16, 2002Publication date: November 28, 2002Inventors: Celso J. Bagaoisan, Hung V. Ha, Mukund R. Patel, Sivette Lam, Ketan P. Muni, Gholam-Reza Zadno-Azizi
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Publication number: 20020161395Abstract: A guide wire apparatus for prevention of distal atheroembolization during percutaneous catheter intervention procedures, such as angioplasty or stent deployment. An expandable protection element, such as a self-expanding or self-collapsing filter or occluder, is mountable adjacent the distal end of a core wire, which can guide a therapeutic catheter. Relative displacement of the ends of the protection element causes transformation of the protection element between a closed configuration and an expanded configuration that spans the vessel to be treated. An operator rod, which may be a hollow rod or an interventional catheter, may be slidably disposed over the core wire to engage with and either push or pull the proximal end of the protection element to cause transformation thereof.Type: ApplicationFiled: April 4, 2002Publication date: October 31, 2002Inventors: Nareak Douk, Nasser Rafiee, Peter G. Strickler, Michael S. Noone, Mukund R. Patel, Jeffrey A. Nool, Celso J. Bagaoisan, Hung V. Ha
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Publication number: 20020072712Abstract: A protective sheath assembly is provided that combines the functions of an introducer, a protective sheath and a sealing valve in an integrated assembly. The protective sheath assembly generally comprises a protective sheath with a connecting member or a hub. The protective sheath has a proximal end, a distal end, and an elongated hollow body defining a lumen along the longitudinal axis. The protective sheath accommodates and protects a medical device during insertion through a hemostasis valve into a patient's vasculature. The protective sheath also provides a seal around the medical device to prevent blood back flow.Type: ApplicationFiled: October 12, 2001Publication date: June 13, 2002Inventors: Jeffrey A. Nool, Scott A. McGill, Mukund R. Patel, Arlene L. Errazo, George Tsai
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Publication number: 20020072730Abstract: Medical devices are provided with either a back end coil support or a sleeve support to prevent kinking of an inner wire used with the medical device. The medical device generally comprises an elongate tubular body having a lumen and an inner wire extending within the lumen. An expandable member is connected to the distal end of the tubular body. In one embodiment, a coil extends over the inner wire at the proximal end thereof. In another embodiment, the inner wire at its proximal end has at least one taper that increases the diameter of the inner wire to a size larger than the diameter of the lumen of the hypotube through which it extends. In another embodiment, a proximal hypotube is attached to the proximal end of the inner wire.Type: ApplicationFiled: October 12, 2001Publication date: June 13, 2002Inventors: Scott A. McGill, Jeffrey A. Nool, Mukund R. Patel, Arlene L. Errazo
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Patent number: 6398773Abstract: Aspiration catheters and methods for the treatment of an occlusion in a blood vessel. These catheters and methods are especially useful in the removal of occlusions from saphenous vein grafts, the coronary and carotid arteries, arteries above the aortic arch and even smaller vessels. The catheters of the present invention are provided in either over-the-wire or in single operator form. Radiopaque markers are preferably incorporated into distal ends of the catheters, and visual markers are incorporated into the proximal end of the catheters, to facilitate their positioning within the body. The catheters are provided with varying flexibility along the length of the shaft, such that they are soft and flexible enough to be navigated through the vasculature of a patient without causing damage, but are stiff enough to sustain the axial push required to position the catheter properly and to sustain the aspiration pressures.Type: GrantFiled: June 12, 2000Date of Patent: June 4, 2002Assignee: Medtronic PercuSurge, IncInventors: Celso J. Bagaoisan, Hung V. Ha, Mukund R. Patel, Sivette Lam, Mir Imran
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Publication number: 20020035347Abstract: Aspiration catheters suitable for use in the treatment of an occlusion in a blood vessel are disclosed. These catheters are especially useful in the removal of occlusions from saphenous vein grafts, the coronary and carotid arteries, arteries above the aortic arch and even smaller vessels. The catheters of the present invention are provided in either over-the-wire or in single operator form. Radiopaque markers are preferably incorporated into distal ends of the catheters to facilitate their positioning within the body. The catheters are provided with varying flexibility along the length of the shaft, such that they are soft and flexible enough to be navigated through the vasculature of a patient without causing damage, but are stiff enough to sustain the axial push required to position the catheter properly and to sustain the aspiration pressures.Type: ApplicationFiled: July 18, 2001Publication date: March 21, 2002Inventors: Celso J. Bagaoisan, Hung V. Ha, Mukund R. Patel, Sivette Lam
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Publication number: 20020026145Abstract: Disclosed herein is a catheter for use in an emboli containment system. In one embodiment, the catheter has a tubular body with a metallic braid construction. Two lumens extend through the tubular body, the lumen being in a side-by-side configuration. One of the lumens functions as an inflation lumen, and is in fluid communication with an inflatable balloon mounted on the distal end of the catheter. The second lumen is adapted to receive other therapeutic catheters which comprise the emboli containment system. In another embodiment, apparatus is provided for treatment of a stenosis in a lumen in a blood-carrying vessel comprising a main catheter and a therapeutic catheter. The main catheter comprises a first flexible elongate tubular member having proximal and distal extremities. A sealing element is carried on the distal extremity of the first flexible elongate tubular member.Type: ApplicationFiled: November 30, 2000Publication date: February 28, 2002Inventors: Celso J. Bagaoisan, Hung V. Ha, Mukund R. Patel, Gholam-Reza Zadno-Azizi
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Publication number: 20020010420Abstract: Disclosed herein is a compliant catheter balloon with an improved elastic response and reduced longitudinal expansion, and a method of forming the same. The balloon comprises a SEBS block copolymer, which is longitudinally pre-stretched during the balloon manufacture process. In order to control the working length of a balloon on a catheter, at least one adhesive stop is provided on the catheter which prevents adhesive from wicking into the working length of the balloon. Preferably, a pair of thermoset tubings with an outer diameter size close to the size of the inner diameter of the balloon are inserted on the distal portion of the catheter. After the proper placement of the balloon, the adhesive is applied at the balloon's proximal and distal ends. As the adhesive wicks to the balloon, the thermoset tubings will eventually stop the adhesive to prevent further wicking of adhesive into the balloon's working length.Type: ApplicationFiled: February 19, 1998Publication date: January 24, 2002Inventors: CELSO J BAGAOISAN, KETAN P MUNI, HUNG V HA, SIVETTE LAM, GHOLAM-REZA ZADNO-AZIZI, MUKUND R PATEL, ISAAC J KIM, JUAN T DOMINGO
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Publication number: 20010049517Abstract: A method for the treatment of a stenosis or an occlusion in a blood vessel is disclosed in which a main catheter is first delivered to a site proximal to the occlusion. The main catheter may include an occlusive device at its distal end. An inner catheter or elongate member (e.g., a guidewire) having an occlusive device at its distal end is delivered to the site of the occlusion, and the occlusive device is activated at a site distal to the occlusion. A therapy catheter is then introduced to treat the occlusion. Next, a catheter is delivered just proximal to the occlusive device, and this catheter is used to aspirate and/or irrigate the area removing particles and debris. The aspiration and irrigation steps are preferably repeated until the particles and debris are removed. Perfusion may be performed by using a perfusion-filter distal of the lesion to be treated or a hypotube which extends beyond the occlusive device attached to the guidewire.Type: ApplicationFiled: March 16, 1999Publication date: December 6, 2001Inventors: GHOLAM-REZA ZADNO-AZIZI, MUKUND R. PATEL, KETAN P. MUNI, CELSO J. BAGAOISAN, HUNG V. HA
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Patent number: 6312407Abstract: A device for occluding a vessel employs one of a number of different expansion members joined to one or more elongate members. The expansion member may include a braid, one or more coils, ribs, a ribbon-like structure, a slotted tube, or a filter-like mesh. If the expansion member is enclosed by a suitable membrane, the device seals with the vessel wall to partially or completely occlude the vessel. A perforated membrane may be used to permit the perfusion of blood. The expansion member may be self-expanding, or it may be expanded by engaging it with one of the elongate members. Alternatively, the expansion member may be expanded by heating it.Type: GrantFiled: February 19, 1998Date of Patent: November 6, 2001Assignee: Medtronic PercuSurge, Inc.Inventors: Gholam-Reza Zadno-Azizi, Celso J. Bagaoisan, Mukund R. Patel, Ketan P. Muni