US Patent No: 4,685,447

Number of patents in Portfolio can not be more than 2000

Tissue expander system

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Tissue expander system including a tissue expander, an injection port, and a tube connecting the tissue expander to the injection port. The tissue expander is of a one piece molded body of a pancake to waffle like configuration. Within the one piece molded body is a member of non-stick material of a slightly smaller geometrical shape similar to that of the one piece molded body. A self-sealing valve member closes off the tube in the tissue expander after injection of a solution for expanding the tissue expander. A Dacron mesh can be embedded in members of the one piece body providing for directional expansion of the tissue expander. In an alternative embodiment, Dacron mesh can be provided in both the upper and lower members of the one piece body. An accordion configured perimeter also provides for upward directional expansion. The tissue expanders can assume any geometrical configuration, whether it be square, rectangular, circular, oval, or kidney shaped. The tissue expander can also be a small enough size for hands and toes, a miniature size for use on the face, or a large size for use on the chest or other body area. A self-sealing injection port can be domed or cylindrical, and includes a stainless steel bottom, as well as a Dacron mesh impregnated silicone top. The stainless steel bottom provides for limiting injection needle penetration and for injection port location during X-ray procedure.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PMT CORPORATIONCHANHASSEN, MN22
PMT INC.HOPKINS, MN0

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastman, William J Hopkins, MN 7 453
Iversen, Alfred A Hopkins, MN 21 1008
Van, Beek Allen L Edina, MN 5 450

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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REGENTS OF THE UNIVERSITY OF MINNESOTA (1)
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
INTERFACE ASSOCIATES, INC. (1)
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Other [Check patent profile for assignment information] (30)
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6,896,689 Tissue expander, system and method 2 2003
* 2004/0147,953 Tissue expander, system and method 5 2003
* 2004/0006,388 Method for surgical dissection, sizing and expansion 1 2003
6,983,744 Perilaryngeal oral airway with temperature sensor 15 2004
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7,238,193 Tissue expander, system and method 2 2005
7,229,459 Tissue expander, system and method 0 2005
7,226,463 Tissue expander, system and method 1 2005
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8,220,260 Fluid transmission 0 2006
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6,332,882 Spine distraction implant 165 1999
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6,451,020 Spine distraction implant and method 195 2000
6,419,677 Spine distraction implant and method 191 2001
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6,902,566 Spinal implants, insertion instruments, and methods of use 133 2001
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6,514,256 Spine distraction implant and method 293 2001
6,478,796 Spin distraction implant and method 233 2001
6,582,433 Spine fixation device and method 364 2001
7,201,751 Supplemental spine fixation device 248 2001
6,699,246 Spine distraction implant 297 2001
6,699,247 Spine distraction implant 198 2001
6,926,728 Curved dilator and method 185 2001
6,652,534 Apparatus and method for determining implant size 160 2001
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6,712,819 Mating insertion instruments for spinal implants and methods of use 261 2001
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6,695,842 Interspinous process distraction system and method with positionable wing and method 318 2001
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7,497,859 Tools for implanting an artificial vertebral disk 32 2003
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7,273,496 Artificial vertebral disk replacement implant with crossbar spacer and method 73 2003
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6,966,929 Artificial vertebral disk replacement implant with a spacer 127 2003
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7,901,432 Method for lateral implantation of spinous process spacer 11 2004
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7,510,567 Spinal implants, insertion instruments, and methods of use 27 2004
7,695,513 Distractible interspinous process implant and method of implantation 30 2004
7,452,379 Artificial vertebral disk replacement implant with crossbar spacer and method 3 2004
7,481,840 Multi-piece artificial spinal disk replacement device with selectably positioning articulating element 55 2004
7,691,146 Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer 32 2004
7,670,377 Laterally insertable artifical vertebral disk replacement implant with curved spacer 31 2004
7,520,899 Laterally insertable artificial vertebral disk replacement implant with crossbar spacer 35 2004
7,503,935 Method of laterally inserting an artificial vertebral disk replacement with translating pivot point 53 2004
7,320,707 Method of laterally inserting an artificial vertebral disk replacement implant with crossbar spacer 78 2004
7,481,839 Bioresorbable interspinous process implant for use with intervertebral disk remediation or replacement implants and procedures 29 2004
7,575,600 Artificial vertebral disk replacement implant with translating articulation contact surface and method 55 2004
7,524,324 System and method for an interspinous process implant as a supplement to a spine stabilization implant 66 2004
7,601,170 Inter-cervical facet implant and method 70 2005
7,591,851 Inter-cervical facet implant and method 72 2005
7,955,356 Laterally insertable interspinous process implant 8 2005
7,918,877 Lateral insertion method for spinous process spacer with deployable member 8 2005
7,621,939 Supplemental spine fixation device and method 28 2005
8,100,944 Inter-cervical facet implant and method for preserving the tissues surrounding the facet joint 20 2005
* 2006/0149,239 Inter-cervical facet implant with locking screw and method 44 2005
7,909,853 Interspinous process implant including a binder and method of implantation 14 2005
8,048,117 Interspinous process implant and method of implantation 11 2005
8,070,778 Interspinous process implant with slide-in distraction piece and method of implantation 7 2006
7,931,674 Interspinous process implant having deployable wing and method of implantation 24 2006
7,749,252 Interspinous process implant having deployable wing and method of implantation 103 2006
7,959,652 Interspinous process implant having deployable wings and method of implantation 21 2006
7,828,822 Spinous process implant 25 2006
7,476,251 Interspinous process apparatus and method with a selectably expandable spacer 68 2006
7,803,190 Interspinous process apparatus and method with a selectably expandable spacer 19 2006
8,012,209 Interspinous process implant including a binder, binder aligner and method of implantation 7 2007
7,635,378 Spine distraction implant and method 40 2007
 
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8,075,572 Surgical suturing apparatus 16 2007
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8,579,897 Bipolar forceps 6 2007
8,262,655 Bipolar forceps 49 2007
8,262,680 Anastomotic device 8 2008
8,568,410 Electrical ablation surgical instruments 4 2008
8,771,260 Actuating and articulating surgical device 4 2008
8,679,003 Surgical device and endoscope including same 3 2008
8,652,150 Multifunction surgical device 3 2008
8,317,806 Endoscopic suturing tension controlling and indication devices 4 2008
8,114,072 Electrical ablation device 9 2008
8,906,035 Endoscopic drop off bag 3 2008
8,403,926 Manually articulating devices 4 2008
8,361,112 Surgical suture arrangement 4 2008
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8,529,563 Electrical ablation devices 5 2008
8,241,204 Articulating end cap 6 2008
8,480,689 Suturing device 4 2008
8,409,200 Surgical grasping device 8 2008
8,114,119 Surgical grasping device 12 2008
8,337,394 Overtube with expandable tip 7 2008
8,157,834 Rotational coupling device for surgical instrument with flexible actuators 10 2008
8,172,772 Specimen retrieval device 12 2008
8,828,031 Apparatus for forming an anastomosis 3 2009
8,361,066 Electrical ablation devices 4 2009
9,226,772 Surgical device 0 2009
8,252,057 Surgical access device 6 2009
8,037,591 Surgical scissors 98 2009
8,608,652 Vaginal entry surgical devices, kit, system, and method 9 2009
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8,449,538 Electroporation ablation apparatus, system, and method 4 2010
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8,758,303 Injection port with applier 0 2010
8,715,243 Injection port applier with downward force actuation 0 2010
8,211,127 Injection port with extendable and retractable fasteners 4 2010
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8,864,717 Subcutaneous self attaching injection port with integral moveable retention members 0 2010
8,939,897 Methods for closing a gastrotomy 2 2011
9,314,620 Electrical ablation devices and methods 0 2011
9,254,169 Electrical ablation devices and methods 0 2011
8,425,505 Electroporation ablation apparatus, system, and method 7 2011
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9,220,526 Rotational coupling device for surgical instrument with flexible actuators 0 2012
9,078,662 Endoscopic cap electrode and method for using the same 1 2012
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9,011,431 Electrical ablation devices 1 2012
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7,013,899 Perilaryngeal oral airway with multi-lumen esophogeal-obturator 23 2004
 
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8,226,717 Methods and devices for treating fractured and/or diseased bone using an expandable stent structure 0 2006
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7,967,827 Methods and devices for treating fractured and/or diseased bone using an expandable structure that remains within the bone 4 2006
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IMPLITE LTD. (4)
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8,292,922 Interspinous spacer 16 2008
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8,123,782 Interspinous spacer 19 2008
8,613,747 Spacer insertion instrument 12 2008
8,864,828 Interspinous spacer 8 2009
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8,740,948 Spinal spacer for cervical and other vertebra, and associated systems and methods 8 2010
9,119,680 Interspinous spacer 2 2012
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6,364,892 Ballon dissector with improved visualization 10 1999
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7,214,236 Apparatus and methods for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 21 2004
* 2004/0236,363 Apparatus and methods for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 16 2004
7,297,153 Apparatus and method for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 5 2005
* 2006/0036,277 Apparatus and method for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 7 2005
 
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS (1)
6,520,989 Extreme volume flexible integrity prosthesis 29 2000
 
CITY OF HOPE (1)
* 5,109,875 Ring tissue expanders and their method of use 23 1990
 
DAVOL, INC. (4)
8,500,762 Fixating means between a mesh and mesh deployment means especially useful for hernia repair surgeries and methods thereof 99 2008
* 2010/0292,718 FIXATING MEANS BETWEEN A MESH AND MESH DEPLOYMENT MEANS ESPECIALLY USEFUL FOR HERNIA REPAIR SURGERIES AND METHODS THEREOF 29 2008
8,920,445 Method and apparatus for repairing a hernia 0 2009
* 2011/0112,560 METHOD AND APPARATUS FOR REPAIRING A HERNIA 4 2009
 
UNIVERSITY OF MIAMI (2)
* 6,582,465 Integrated rigid fixation orbital expander 3 2001
* 2002/0002,402 Integrated rigid fixation orbital expander 0 2001
 
The Board of Trustees of the Leland Stanford Junior University (12)
8,167,944 Systems and methods for posterior dynamic stabilization of the spine 16 2004
* 9,023,084 Systems and methods for stabilizing the motion or adjusting the position of the spine 3 2004
8,317,864 Systems and methods for posterior dynamic stabilization of the spine 16 2005
* 2006/0084,988 Systems and methods for posterior dynamic stabilization of the spine 333 2005
7,763,074 Systems and methods for posterior dynamic stabilization of the spine 23 2005
8,152,837 Systems and methods for posterior dynamic stabilization of the spine 15 2005
* 2007/0161,991 Systems and methods for posterior dynamic stabilization of the spine 141 2005
8,628,574 Systems and methods for posterior dynamic stabilization of the spine 12 2010
9,039,742 Systems and methods for posterior dynamic stabilization of the spine 5 2012
8,900,271 Systems and methods for posterior dynamic stabilization of the spine 8 2012
9,314,279 Systems and methods for posterior dynamic stabilization of the spine 0 2012
9,125,692 Systems and methods for posterior dynamic stabilization of the spine 2 2013
 
ETHICON ENDO-SURGERY, LLC (1)
8,070,759 Surgical fastening device 15 2008
 
Collabcom II, LLC (2)
8,202,299 Interspinous implant, tools and methods of implanting 6 2008
8,721,688 Interspinous implant, tools and methods of implanting 0 2012
 
ORIGIN MEDSYSTEMS, INC. (2)
* 2003/0236,544 Method and inflatable chamber apparatus for separating layers of tissue 71 2003
* 2007/0162,067 Method and inflatable chamber apparatus for separating layers of tissue 13 2007
 
C. R. Bard, Inc. (30)
8,177,762 Septum including at least one identifiable feature, access ports including same, and related methods 22 2005
7,785,302 Access port identification systems and methods 21 2006
8,545,460 Infusion apparatuses and related methods 7 2006
7,959,615 Access port identification systems and methods 18 2008
* 2009/0156,928 RADIOPAQUE AND SEPTUM-BASED INDICATORS FOR A MULTI-LUMEN IMPLANTABLE PORT 34 2008
8,805,478 Methods of performing a power injection procedure including identifying features of a subcutaneously implanted access port for delivery of contrast media 5 2009
8,475,417 Assemblies for identifying a power injectable access port 11 2009
8,025,639 Methods of power injecting a fluid through an access port 20 2009
7,947,022 Access port identification systems and methods 21 2009
* 2009/0204,074 METHODS OF POWER INJECTING A FLUID THROUGH AN ACCESS PORT 29 2009
8,202,259 Systems and methods for identifying an access port 29 2009
8,932,271 Implantable medical devices including septum-based indicators 3 2009
8,029,482 Systems and methods for radiographically identifying an access port 20 2010
* 2010/0268,165 SYSTEMS AND METHODS FOR RADIOGRAPHICALLY IDENTIFYING AN ACCESS PORT 18 2010
8,715,244 Extensible internal bolster for a medical device 1 2010
9,079,004 Overmolded access port including anchoring and identification features 1 2010
* 2011/0118,677 OVERMOLDED ACCESS PORT INCLUDING ANCHORING AND IDENTIFICATION FEATURES 20 2010
D682416 Implantable access port 0 2010
D676955 Implantable access port 18 2010
8,382,723 Access port identification systems and methods 14 2011
8,382,724 Systems and methods for radiographically identifying an access port 14 2011
8,641,676 Infusion apparatuses and methods of use 6 2012
8,608,713 Septum feature for identification of an access port 5 2012
8,998,860 Systems and methods for identifying an access port 2 2012
9,248,268 Overmolded access port including anchoring and identification features 0 2012
8,939,947 Systems and methods for radiographically identifying an access port 3 2013
8,603,052 Access port identification systems and methods 5 2013
9,265,912 Indicia informative of characteristics of insertable medical devices 0 2013
8,585,663 Access port identification systems and methods 6 2013
8,641,688 Assemblies for identifying a power injectable access port 7 2013
 
Compagnie Europeenne d'Etude et de Recherche de Dispositifs pour l'Implantation par Laparoscopie (1)
* 7,985,207 Medical implantable site having a multi-layer puncture zone 2 2005
 
INAMED DEVELOPMENT COMPANY (1)
* 5,083,576 Elongation of linear and tubular tissue 62 1990
 
IMPLANTADJUST, LLC (1)
9,351,824 Adjustable implant with self-sealing elastomeric membrane and methods of fabrication thereof 0 2013
 
PMT Corporation (6)
* 4,863,469 Method and apparatus for expanding nerve tissue 10 1987
6,588,432 Tissue expander magnetic injection port 16 2001
6,805,715 Method and device for treating intervertebral disc herniations 64 2002
* 2003/0069,641 Method and device for treating intervertebral disc herniations 4 2002
7,128,746 Device for treating intervertebral disc herniations 7 2004
* 2005/0049,604 Device for treating intervertebral disc herniations 1 2004
 
DOW CORNING WRIGHT CORPORATION (3)
* 4,841,992 Tissue expander and method of making and using 35 1987
* 4,899,764 Tissue expander and method of making and using 40 1989
* 5,035,249 Method of making envelope for tissue expander 29 1989
 
REHNKE, ROBERT D. (1)
* 6,055,989 Method for surgical dissection, sizing and expansion 14 1997
 
COLLABCOM5, LLC., A COLORADO LIMITED LIABILITY CORP. (1)
8,974,496 Interspinous implant, tools and methods of implanting 0 2007
 
AOTI, Inc. (1)
* 5,154,697 Collapsible topical hyperbaric apparatus 42 1991
 
Ledergerber, Walter J. (1)
* 6,921,418 Dual-sided, texturized biocompatible structure 28 2001
 
BAXTER INTERNATIONAL INC. (2)
* 5,545,223 Ported tissue implant systems and methods of using same 202 1995
* 5,569,462 Methods for enhancing vascularization of implant devices 237 1995
 
VETIFLEX, INC. (1)
8,128,662 Minimally invasive tooling for delivery of interspinous spacer 13 2006
 
Hudson Design Group (1)
D413672 Implantable injection port 24 1997
 
SURGICAL STRUCTURE LTD. (3)
* 8,920,370 Hernia repair device 0 2005
* 2007/0260,179 Hernia Repair Device 28 2005
* 2010/0069,947 DEVICE ESPECIALLY USEFUL FOR HERNIA REPAIR SURGERIES AND METHODS THEREOF 9 2007
 
MAQUET CARDIOVASCULAR LLC (2)
6,811,546 Endoscopic surgical access port and method 87 2000
7,276,075 Endoscopic surgical access port and method 109 2003
 
BOSTON SCIENTIFIC SCIMED, INC. (16)
* 5,195,969 Co-extruded medical balloons and catheter using such balloons 314 1991
6,136,258 Method of forming a co-extruded balloon for medical purposes 81 1995
* 5,766,201 Expandable catheter 51 1995
5,797,877 Medical device balloons containing thermoplastic elastomers 213 1996
6,132,824 Multilayer catheter balloon 72 1997
* 6,048,356 Expandable catheter 36 1998
6,086,556 Medical device balloons containing thermoplastic elastomers 63 1998
6,482,348 Method of forming a co-extruded balloon for medical purposes 45 2000
6,896,842 Medical device balloons containing thermoplastic elastomers 34 2000
6,425,908 Expandable catheter 15 2001
* 7,101,387 Radio frequency ablation cooling shield 49 2003
* 2004/0220,562 Radio frequency ablation cooling shield 6 2003
7,781,038 Medical device balloons containing thermoplastic elastomers 7 2004
7,585,289 Co-extruded medical balloon 0 2005
8,617,158 Radio frequency ablation cooling shield 0 2010
* 2011/0022,044 RADIO FREQUENCY ABLATION COOLING SHIELD 2 2010
 
United States Surgical Corporation (1)
7,575,597 Method for surgical dissection, sizing and expansion 2 2007
* Cited By Examiner