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)

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
PMT CORPORATIONCHANHASSEN, MN35
PMT INC.HOPKINS, MN7

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastman, William J Maple Grove, MN 7 408
Iversen, Alfred A Wayzata, MN 21 822
Van, Beek Allen L Edina, MN 5 401

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ALLEGIANCE CORPORATION (1)
4,190,040 Resealable puncture housing for surgical implantation 118 1978
 
KOKEN CO., LTD. (1)
4,413,359 Impermeable laminate membrane 83 1982
 
PAIGE STEPHEN B. (1)
4,217,889 Flap development device and method of progressively increasing skin area 136 1978
 
REGENTS OF THE UNIVERSITY OF MINNESOTA (1)
4,536,179 Implantable catheters with non-adherent contacting polymer surfaces 57 1982

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
KYPHON SARL (65)
6,423,083 Inflatable device for use in surgical protocol relating to fixation of bone 136 1998
6,379,355 Spine distraction implant and method 143 1999
6,332,882 Spine distraction implant 136 1999
6,419,676 Spine distraction implant and method 176 2000
6,451,020 Spine distraction implant and method 157 2000
6,899,719 Systems and methods for treating fractured or diseased bone using expandable bodies 95 2001
6,419,677 Spine distraction implant and method 160 2001
6,796,983 Spine distraction implant and method 149 2001
7,101,375 Spine distraction implant 166 2001
6,902,566 Spinal implants, insertion instruments, and methods of use 95 2001
6,514,256 Spine distraction implant and method 250 2001
6,478,796 Spin distraction implant and method 190 2001
6,582,433 Spine fixation device and method 309 2001
7,201,751 Supplemental spine fixation device 204 2001
6,699,246 Spine distraction implant 252 2001
6,699,247 Spine distraction implant 152 2001
6,926,728 Curved dilator and method 140 2001
6,652,534 Apparatus and method for determining implant size 120 2001
6,712,819 Mating insertion instruments for spinal implants and methods of use 200 2001
6,652,527 Supplemental spine fixation device and method 181 2001
6,695,842 Interspinous process distraction system and method with positionable wing and method 272 2001
7,189,234 Interspinous process implant sizer and distractor with a split head and size indicator and method 50 2001
7,029,473 Deflectable spacer for use as an interspinous process implant and method 46 2002
7,833,246 Interspinous process and sacrum implant and method 0 2003
7,497,859 Tools for implanting an artificial vertebral disk 13 2003
7,306,628 Interspinous process apparatus and method with a selectably expandable spacer 149 2003
7,273,496 Artificial vertebral disk replacement implant with crossbar spacer and method 55 2003
7,083,649 Artificial vertebral disk replacement implant with translating pivot point 111 2003
6,966,929 Artificial vertebral disk replacement implant with a spacer 104 2003
7,335,203 System and method for immobilizing adjacent spinous processes 142 2004
7,901,432 Method for lateral implantation of spinous process spacer 4 2004
7,758,619 Spinous process implant with tethers 18 2004
7,549,999 Interspinous process distraction implant and method of implantation 6 2004
7,510,567 Spinal implants, insertion instruments, and methods of use 9 2004
7,695,513 Distractible interspinous process implant and method of implantation 11 2004
7,452,379 Artificial vertebral disk replacement implant with crossbar spacer and method 1 2004
7,481,840 Multi-piece artificial spinal disk replacement device with selectably positioning articulating element 34 2004
7,691,146 Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer 17 2004
7,670,377 Laterally insertable artifical vertebral disk replacement implant with curved spacer 17 2004
7,520,899 Laterally insertable artificial vertebral disk replacement implant with crossbar spacer 19 2004
7,503,935 Method of laterally inserting an artificial vertebral disk replacement with translating pivot point 29 2004
7,320,707 Method of laterally inserting an artificial vertebral disk replacement implant with crossbar spacer 52 2004
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7,524,324 System and method for an interspinous process implant as a supplement to a spine stabilization implant 51 2004
7,601,170 Inter-cervical facet implant and method 37 2005
7,591,851 Inter-cervical facet implant and method 39 2005
7,955,356 Laterally insertable interspinous process implant 3 2005
7,918,877 Lateral insertion method for spinous process spacer with deployable member 2 2005
7,621,939 Supplemental spine fixation device and method 9 2005
8,100,944 Inter-cervical facet implant and method for preserving the tissues surrounding the facet joint 8 2005
7,909,853 Interspinous process implant including a binder and method of implantation 6 2005
8,048,117 Interspinous process implant and method of implantation 2 2005
8,070,778 Interspinous process implant with slide-in distraction piece and method of implantation 2 2006
7,931,674 Interspinous process implant having deployable wing and method of implantation 9 2006
7,749,252 Interspinous process implant having deployable wing and method of implantation 77 2006
7,959,652 Interspinous process implant having deployable wings and method of implantation 5 2006
7,828,822 Spinous process implant 12 2006
8,317,865 Methods and devices for treating fractured and/or diseased bone using a mesh structure 0 2006
8,152,813 Methods for treating fractured and/or diseased bone by introduction of different bone filling materials 8 2006
7,476,251 Interspinous process apparatus and method with a selectably expandable spacer 34 2006
7,803,190 Interspinous process apparatus and method with a selectably expandable spacer 6 2006
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7,635,378 Spine distraction implant and method 22 2007
8,246,681 Methods for treating a fractured and/or diseased and/or weakened bone 3 2007
 
ETHICON ENDO-SURGERY, INC. (49)
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7,850,660 Implantable medical device with simultaneous attachment mechanism and method 62 2005
7,651,483 Injection port 53 2005
7,762,999 Injection port 11 2006
8,162,897 Audible and tactile feedback 5 2006
7,655,004 Electroporation ablation apparatus, system, and method 26 2007
7,815,662 Surgical suture anchors and deployment device 36 2007
8,075,572 Surgical suturing apparatus 2 2007
8,100,922 Curved needle suturing tool 2 2007
8,480,657 Detachable distal overtube section and methods for forming a sealable opening in the wall of an organ 0 2007
8,579,897 Bipolar forceps 0 2007
8,262,655 Bipolar forceps 0 2007
8,262,680 Anastomotic device 2 2008
8,568,410 Electrical ablation surgical instruments 0 2008
8,771,260 Actuating and articulating surgical device 0 2008
8,679,003 Surgical device and endoscope including same 0 2008
8,652,150 Multifunction surgical device 0 2008
8,317,806 Endoscopic suturing tension controlling and indication devices 0 2008
8,114,072 Electrical ablation device 1 2008
8,070,759 Surgical fastening device 3 2008
8,403,926 Manually articulating devices 0 2008
8,361,112 Surgical suture arrangement 0 2008
8,262,563 Endoscopic translumenal articulatable steerable overtube 0 2008
8,211,125 Sterile appliance delivery device for endoscopic procedures 77 2008
8,529,563 Electrical ablation devices 1 2008
8,241,204 Articulating end cap 1 2008
8,480,689 Suturing device 0 2008
8,409,200 Surgical grasping device 0 2008
8,114,119 Surgical grasping device 2 2008
8,337,394 Overtube with expandable tip 2 2008
8,157,834 Rotational coupling device for surgical instrument with flexible actuators 1 2008
8,172,772 Specimen retrieval device 2 2008
8,828,031 Apparatus for forming an anastomosis 0 2009
8,361,066 Electrical ablation devices 0 2009
8,252,057 Surgical access device 1 2009
8,037,591 Surgical scissors 8 2009
8,608,652 Vaginal entry surgical devices, kit, system, and method 0 2009
8,029,504 Electroporation ablation apparatus, system, and method 4 2009
8,353,487 User interface support devices for endoscopic surgical instruments 1 2009
8,506,564 Surgical instrument comprising an electrode 2 2009
8,449,538 Electroporation ablation apparatus, system, and method 0 2010
8,764,713 Method of repositioning an injection port 0 2010
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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8,425,505 Electroporation ablation apparatus, system, and method 0 2011
 
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6,632,234 Apparatus and method for developing an anatomic space for laparoscopic procedures with laparoscopic visualization 10 2001
6,562,056 Balloon device for use in surgery and method of use 8 2001
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6,866,676 Apparatus and method for dissecting tissue layers 22 2003
7,695,487 Balloon dissection apparatus 0 2003
7,179,272 Apparatus and method for dissecting tissue layers 2 2004
7,214,236 Apparatus and methods for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 8 2004
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C.R. BARD, INC. (20)
8,177,762 Septum including at least one identifiable feature, access ports including same, and related methods 14 2005
7,785,302 Access port identification systems and methods 14 2006
8,545,460 Infusion apparatuses and related methods 1 2006
7,959,615 Access port identification systems and methods 13 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 0 2009
8,475,417 Assemblies for identifying a power injectable access port 5 2009
8,025,639 Methods of power injecting a fluid through an access port 13 2009
7,947,022 Access port identification systems and methods 15 2009
8,202,259 Systems and methods for identifying an access port 13 2009
8,029,482 Systems and methods for radiographically identifying an access port 14 2010
8,715,244 Extensible internal bolster for a medical device 1 2010
D682416 Implantable access port 0 2010
D676955 Implantable access port 12 2010
8,382,723 Access port identification systems and methods 8 2011
8,382,724 Systems and methods for radiographically identifying an access port 8 2011
8,641,676 Infusion apparatuses and methods of use 0 2012
8,608,713 Septum feature for identification of an access port 0 2012
8,603,052 Access port identification systems and methods 0 2013
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BOSTON SCIENTIFIC SCIMED, INC. (14)
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5,797,877 Medical device balloons containing thermoplastic elastomers 188 1996
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6,048,356 Expandable catheter 25 1998
6,086,556 Medical device balloons containing thermoplastic elastomers 52 1998
6,482,348 Method of forming a co-extruded balloon for medical purposes 38 2000
6,896,842 Medical device balloons containing thermoplastic elastomers 19 2000
6,425,908 Expandable catheter 9 2001
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VERTIFLEX, INC. (11)
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8,123,782 Interspinous spacer 2 2008
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COVIDIEN LP (7)
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TYCO HEALTHCARE GROUP LP (6)
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BAXTER INTERNATIONAL INC. (5)
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THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (5)
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PMT CORPORATION (4)
4,863,469 Method and apparatus for expanding nerve tissue 10 1987
6,588,432 Tissue expander magnetic injection port 14 2001
6,805,715 Method and device for treating intervertebral disc herniations 53 2002
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ALLERGAN, INC. (3)
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COLOPLAST A/S (3)
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5,725,507 Self-sealing injection sites and plugs 40 1996
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DOW CORNING WRIGHT CORPORATION (3)
4,841,992 Tissue expander and method of making and using 23 1987
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ETHICON, INC. (3)
6,302,897 Device for deploying medical textiles 5 1999
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KERAPLAST TECHNOLOGIES, LTD. (3)
6,379,690 Keratin-based hydrogel for biomedical applications and method of production 18 2000
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ORTHOPHOENIX, LLC (3)
6,663,647 Inflatable device for use in surgical protocol relating to fixation of bone 83 2002
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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 1 2006
 
SM TECHNOLOGIES, LLC (3)
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Collabcom II, LLC (2)
8,202,299 Interspinous implant, tools and methods of implanting 2 2008
8,721,688 Interspinous implant, tools and methods of implanting 0 2012
 
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6,811,546 Endoscopic surgical access port and method 58 2000
7,276,075 Endoscopic surgical access port and method 75 2003
 
Medical Engineering Corporation (2)
4,908,029 Flexible needle stop 26 1989
5,074,878 Tissue expander and method 61 1991
 
R.S. MEDICAL, LLC (2)
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6,572,594 Skin treatment using neuromuscular stimulation and a treatment gas containing medicine 27 2001
 
AOTI, INC. (1)
5,154,697 Collapsible topical hyperbaric apparatus 32 1991
 
APPALOOSA MANAGEMENT L.P. (1)
4,841,948 Concave gase tissue expander 12 1987
 
BIOMET MANUFACTURING CORP. (1)
5,176,683 Prosthesis press and method of using the same 54 1991
 
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS (1)
6,520,989 Extreme volume flexible integrity prosthesis 15 2000
 
CITY OF HOPE (1)
5,109,875 Ring tissue expanders and their method of use 22 1990
 
COMPAGNIE EUROPEENNE D'ETUDE ET DE RECHERCHE DE DISPOSITIFS POUR L'IMPLANTATION PAR LAPAROSCOPIE (1)
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COVIDIEN AG (1)
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Engineered Medical System, Inc. (1)
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Hudson Design Group (1)
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IMPLITE LTD. (1)
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INAMED DEVELOPMENT COMPANY (1)
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INAMED MEDICAL PRODUCTS CORPORATION (1)
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INTERFACE ASSOCIATES, INC. (1)
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Ledergerber, Walter J. (1)
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MASSACHUSETTS EYE & EAR INFIRMARY (1)
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MCGHAN MEDICAL CORPORATION (1)
4,828,560 Spring ring tissue expander 12 1988
 
MEDIATEK INC. (1)
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MEDTRONIC, INC. (1)
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MENTOR CORPORATION (1)
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NUVASIVE, INC. (1)
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PDT Cardiovascular, Inc. (1)
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United States Surgical Corporation (1)
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UNIVERSITY OF MIAMI (1)
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VETIFLEX, INC. (1)
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ZHONGSHEN OPTHALMIC CENTRE (1)
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Other [Check patent profile for assignment information] (25)
4,800,901 Balloon-type Tissue expansion device 100 1987
4,902,292 Vitreous body prosthesis device 34 1988
4,955,905 Method and apparatus for monitoring pressure of human tissue expansion devices 13 1989
4,955,395 Tissue expander and method of treating male temple baldness 14 1990
5,005,591 Self-inflating tissue expander 31 1990
5,104,409 Mammary implant 13 1991
5,176,692 Method and surgical instrument for repairing hernia 421 1991
5,192,314 Synthetic intraventricular implants and method of inserting 282 1991
5,304,117 Closure method for use in laparoscopic surgery 37 1992
5,330,529 Orbital implant device 10 1993
5,356,430 Hearing prosthesis 16 1993
5,496,367 Breast implant with baffles 27 1994
5,630,843 Double chamber tissue expander 42 1994
5,425,760 Tissue expander apparatus, and methods of constructing and utilizing same 12 1994
5,571,179 Dimensionally adjustable soft tissue expander and method 24 1995
6,386,199 Perilaryngeal oral airway 38 1999
6,896,689 Tissue expander, system and method 1 2003
6,983,744 Perilaryngeal oral airway with temperature sensor 11 2004
7,238,193 Tissue expander, system and method 0 2005
7,229,459 Tissue expander, system and method 0 2005
7,226,463 Tissue expander, system and method 0 2005
8,220,260 Fluid transmission 0 2006
7,731,700 Subdermal injection port 1 2007
8,834,526 Methods and apparatus for treating spinal stenosis 0 2007
8,202,316 Modulating buttress saline mammary prosthesis 2 2009