US Patent No: 4,685,447

Number of patents in Portfolio can not be more than 2000

Tissue expander system

2 Status Updates

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

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, MN32
PMT INC.HOPKINS, MN7

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastman, William J Maple Grove, MN 7 357
Iversen, Alfred A Wayzata, MN 19 666
Van, Beek Allen L Edina, MN 3 353

Cited Art

Patent Info (Count) # Cites Year
 
ALLEGIANCE CORPORATION (1)
4,190,040 Resealable puncture housing for surgical implantation 88 1978
 
KOKEN CO., LTD. (1)
4,413,359 Impermeable laminate membrane 74 1982
 
PAIGE STEPHEN B. (1)
4,217,889 Flap development device and method of progressively increasing skin area 118 1978
 
REGENTS OF THE UNIVERSITY OF MINNESOTA (1)
4,536,179 Implantable catheters with non-adherent contacting polymer surfaces 55 1982

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
KYPHON SARL (65)
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6,332,882 Spine distraction implant 106 1999
6,419,676 Spine distraction implant and method 138 2000
6,451,020 Spine distraction implant and method 119 2000
6,899,719 Systems and methods for treating fractured or diseased bone using expandable bodies 64 2001
6,419,677 Spine distraction implant and method 133 2001
6,796,983 Spine distraction implant and method 112 2001
7,101,375 Spine distraction implant 125 2001
6,902,566 Spinal implants, insertion instruments, and methods of use 73 2001
6,514,256 Spine distraction implant and method 194 2001
6,478,796 Spin distraction implant and method 151 2001
6,582,433 Spine fixation device and method 247 2001
7,201,751 Supplemental spine fixation device 152 2001
6,699,246 Spine distraction implant 192 2001
6,699,247 Spine distraction implant 111 2001
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6,652,534 Apparatus and method for determining implant size 93 2001
6,712,819 Mating insertion instruments for spinal implants and methods of use 144 2001
6,652,527 Supplemental spine fixation device and method 130 2001
6,695,842 Interspinous process distraction system and method with positionable wing and method 212 2001
7,189,234 Interspinous process implant sizer and distractor with a split head and size indicator and method 36 2001
7,029,473 Deflectable spacer for use as an interspinous process implant and method 29 2002
7,833,246 Interspinous process and sacrum implant and method 0 2003
7,497,859 Tools for implanting an artificial vertebral disk 7 2003
7,306,628 Interspinous process apparatus and method with a selectably expandable spacer 117 2003
7,273,496 Artificial vertebral disk replacement implant with crossbar spacer and method 43 2003
7,083,649 Artificial vertebral disk replacement implant with translating pivot point 84 2003
6,966,929 Artificial vertebral disk replacement implant with a spacer 80 2003
7,335,203 System and method for immobilizing adjacent spinous processes 107 2004
7,901,432 Method for lateral implantation of spinous process spacer 0 2004
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7,549,999 Interspinous process distraction implant and method of implantation 2 2004
7,510,567 Spinal implants, insertion instruments, and methods of use 4 2004
7,695,513 Distractible interspinous process implant and method of implantation 2 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 23 2004
7,691,146 Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer 12 2004
7,670,377 Laterally insertable artifical vertebral disk replacement implant with curved spacer 12 2004
7,520,899 Laterally insertable artificial vertebral disk replacement implant with crossbar spacer 14 2004
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7,320,707 Method of laterally inserting an artificial vertebral disk replacement implant with crossbar spacer 40 2004
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7,524,324 System and method for an interspinous process implant as a supplement to a spine stabilization implant 39 2004
7,601,170 Inter-cervical facet implant and method 18 2005
7,591,851 Inter-cervical facet implant and method 22 2005
7,955,356 Laterally insertable interspinous process implant 0 2005
7,918,877 Lateral insertion method for spinous process spacer with deployable member 0 2005
7,621,939 Supplemental spine fixation device and method 3 2005
8,100,944 Inter-cervical facet implant and method for preserving the tissues surrounding the facet joint 0 2005
7,909,853 Interspinous process implant including a binder and method of implantation 4 2005
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7,931,674 Interspinous process implant having deployable wing and method of implantation 4 2006
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7,828,822 Spinous process implant 7 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 0 2006
7,476,251 Interspinous process apparatus and method with a selectably expandable spacer 18 2006
7,803,190 Interspinous process apparatus and method with a selectably expandable spacer 1 2006
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7,635,378 Spine distraction implant and method 15 2007
8,246,681 Methods for treating a fractured and/or diseased and/or weakened bone 0 2007
 
ETHICON ENDO-SURGERY, INC. (34)
7,862,546 Subcutaneous self attaching injection port with integral moveable retention members 36 2003
8,007,474 Implantable medical device with reversible attachment mechanism and method 2 2005
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7,850,660 Implantable medical device with simultaneous attachment mechanism and method 36 2005
7,651,483 Injection port 31 2005
7,762,999 Injection port 3 2006
8,162,897 Audible and tactile feedback 0 2006
7,655,004 Electroporation ablation apparatus, system, and method 10 2007
7,815,662 Surgical suture anchors and deployment device 19 2007
8,075,572 Surgical suturing apparatus 0 2007
8,100,922 Curved needle suturing tool 0 2007
8,262,655 Bipolar forceps 0 2007
8,262,680 Anastomotic device 0 2008
8,317,806 Endoscopic suturing tension controlling and indication devices 0 2008
8,114,072 Electrical ablation device 0 2008
8,070,759 Surgical fastening device 0 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 11 2008
8,241,204 Articulating end cap 0 2008
8,409,200 Surgical grasping device 0 2008
8,114,119 Surgical grasping device 0 2008
8,337,394 Overtube with expandable tip 0 2008
8,157,834 Rotational coupling device for surgical instrument with flexible actuators 0 2008
8,172,772 Specimen retrieval device 0 2008
8,361,066 Electrical ablation devices 0 2009
8,252,057 Surgical access device 0 2009
8,037,591 Surgical scissors 3 2009
8,029,504 Electroporation ablation apparatus, system, and method 2 2009
8,353,487 User interface support devices for endoscopic surgical instruments 0 2009
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6,168,608 Apparatus and method for developing an anatomic space for laparoscopic procedures 15 1999
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7,695,487 Balloon dissection apparatus 0 2003
7,179,272 Apparatus and method for dissecting tissue layers 1 2004
7,214,236 Apparatus and methods for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 2 2004
7,297,153 Apparatus and method for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 0 2005
 
BOSTON SCIENTIFIC SCIMED, INC. (13)
5,195,969 Co-extruded medical balloons and catheter using such balloons 263 1991
6,136,258 Method of forming a co-extruded balloon for medical purposes 55 1995
5,766,201 Expandable catheter 38 1995
5,797,877 Medical device balloons containing thermoplastic elastomers 165 1996
6,132,824 Multilayer catheter balloon 46 1997
6,048,356 Expandable catheter 20 1998
6,086,556 Medical device balloons containing thermoplastic elastomers 45 1998
6,482,348 Method of forming a co-extruded balloon for medical purposes 28 2000
6,896,842 Medical device balloons containing thermoplastic elastomers 13 2000
6,425,908 Expandable catheter 7 2001
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7,781,038 Medical device balloons containing thermoplastic elastomers 1 2004
7,585,289 Co-extruded medical balloon 0 2005
 
C.R. BARD, INC. (11)
8,177,762 Septum including at least one identifiable feature, access ports including same, and related methods 5 2005
7,785,302 Access port identification systems and methods 6 2006
7,959,615 Access port identification systems and methods 5 2008
8,025,639 Methods of power injecting a fluid through an access port 5 2009
7,947,022 Access port identification systems and methods 7 2009
8,202,259 Systems and methods for identifying an access port 4 2009
8,029,482 Systems and methods for radiographically identifying an access port 6 2010
D682416 Implantable access port 0 2010
D676955 Implantable access port 0 2010
8,382,723 Access port identification systems and methods 0 2011
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VERTIFLEX, INC. (7)
8,123,807 Systems and methods for posterior dynamic stabilization of the spine 2 2004
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8,292,922 Interspinous spacer 1 2008
8,277,488 Interspinous spacer 0 2008
8,123,782 Interspinous spacer 0 2008
 
COVIDIEN LP (6)
7,967,835 Apparatus for use in fascial cleft surgery for opening an anatomic space 1 2003
7,300,448 Balloon dissector with cannula 5 2003
7,963,975 Balloon dissector with balloon tip cannula 20 2004
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8,048,087 Apparatus for use in fascial cleft surgery for opening an anatomic space 0 2007
8,328,839 Balloon dissector with balloon tip cannula 0 2011
 
TYCO HEALTHCARE GROUP LP (6)
7,001,405 Apparatus and method for developing an anatomic space for laparoscopic procedures with laparoscopic visualization 4 2003
7,282,062 Method for surgical dissection, sizing and expansion 0 2005
8,157,831 Apparatus and method for developing an anatomic space for laparoscopic procedures with laparoscopic visualization 0 2005
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8,172,869 Balloon dissection apparatus 0 2010
 
BAXTER INTERNATIONAL INC. (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 11 2001
6,805,715 Method and device for treating intervertebral disc herniations 42 2002
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THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (4)
8,167,944 Systems and methods for posterior dynamic stabilization of the spine 0 2004
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COLOPLAST A/S (3)
6,060,639 Testicular prosthesis and method of manufacturing and filling 12 1994
5,725,507 Self-sealing injection sites and plugs 26 1996
5,935,362 Method for manufacturing improved self-sealing injection sites and plugs 9 1997
 
DOW CORNING WRIGHT CORPORATION (3)
4,841,992 Tissue expander and method of making and using 14 1987
4,899,764 Tissue expander and method of making and using 18 1989
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ETHICON, INC. (3)
6,302,897 Device for deploying medical textiles 1 1999
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KERAPLAST TECHNOLOGIES, LTD. (3)
6,379,690 Keratin-based hydrogel for biomedical applications and method of production 16 2000
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ORTHOPHOENIX, LLC (3)
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SM TECHNOLOGIES, LLC (3)
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Medical Engineering Corporation (2)
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ORIGIN MEDSYSTEMS, INC. (2)
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R.S. MEDICAL, LLC (2)
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8,377,127 Self-sealing shell for inflatable prostheses 0 2009
 
AOTI, INC. (1)
5,154,697 Collapsible topical hyperbaric apparatus 25 1991
 
APPALOOSA MANAGEMENT L.P. (1)
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BIOMET MANUFACTURING CORP. (1)
5,176,683 Prosthesis press and method of using the same 46 1991
 
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS (1)
6,520,989 Extreme volume flexible integrity prosthesis 5 2000
 
CITY OF HOPE (1)
5,109,875 Ring tissue expanders and their method of use 20 1990
 
Collabcom II, LLC (1)
8,202,299 Interspinous implant, tools and methods of implanting 0 2008
 
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 1 2005
 
COVIDIEN AG (1)
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5,911,702 Methods and devices for cannulating a patient's blood vessel 43 1997
 
Engineered Medical System, Inc. (1)
7,013,899 Perilaryngeal oral airway with multi-lumen esophogeal-obturator 7 2004
 
HON HAI PRECISION INDUSTRY CO., LTD. (1)
8,083,794 Replica eye 1 2009
 
Hudson Design Group (1)
D413672 Implantable injection port 10 1997
 
INAMED DEVELOPMENT COMPANY (1)
5,083,576 Elongation of linear and tubular tissue 61 1990
 
INAMED MEDICAL PRODUCTS CORPORATION (1)
4,840,615 Self-sealing injection reservoir 57 1988
 
Ledergerber, Walter J. (1)
6,921,418 Dual-sided, texturized biocompatible structure 7 2001
 
LEVRAM MEDICAL DEVICES, LTD. (1)
6,406,422 Ventricular-assist method and apparatus 51 2000
 
MASSACHUSETTS EYE & EAR INFIRMARY (1)
5,480,433 Method of treating hearing loss 5 1994
 
MCGHAN MEDICAL CORPORATION (1)
4,828,560 Spring ring tissue expander 5 1988
 
MEDIATEK INC. (1)
8,226,717 Methods and devices for treating fractured and/or diseased bone using an expandable stent structure 0 2006
 
MEDTRONIC, INC. (1)
5,112,303 Tumor access device and method for delivering medication into a body cavity 70 1991
 
MENTOR CORPORATION (1)
4,823,815 Tissue expanding device and method of making same 15 1988
 
NOVAMED MEDICAL PRODUCTS MANUFACTURING, INC. (1)
6,162,251 Saline implant having single valve with primary and secondary closures 20 1999
 
NUVASIVE, INC. (1)
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PDT Cardiovascular, Inc. (1)
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RAY MEDICA, INC. (1)
4,772,287 Prosthetic disc and method of implanting 605 1987
 
REHNKE, ROBERT D. (1)
6,055,989 Method for surgical dissection, sizing and expansion 11 1997
 
Stephen's Medical, Inc. (1)
5,688,236 Topical hyperbaric device for treating skin disorders 14 1996
 
TERUMO KABUSHIKI KAISHA (1)
5,084,015 Catheter assembly of the hypodermic embedment type 88 1990
 
United States Surgical Corporation (1)
7,575,597 Method for surgical dissection, sizing and expansion 1 2007
 
UNIVERSITY OF MIAMI (1)
6,582,465 Integrated rigid fixation orbital expander 3 2001
 
VETIFLEX, INC. (1)
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WELCH ALLYN, INC. (1)
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ZHONGSHEN OPTHALMIC CENTRE (1)
7,879,088 Capsular bag for artificial vitreous body and method for manufacturing the same 2 2007
 
Other [Check patent profile for assignment information] (24)
4,800,901 Balloon-type Tissue expansion device 94 1987
4,902,292 Vitreous body prosthesis device 22 1988
4,955,905 Method and apparatus for monitoring pressure of human tissue expansion devices 10 1989
4,955,395 Tissue expander and method of treating male temple baldness 14 1990
5,005,591 Self-inflating tissue expander 24 1990
5,104,409 Mammary implant 5 1991
5,176,692 Method and surgical instrument for repairing hernia 346 1991
5,192,314 Synthetic intraventricular implants and method of inserting 262 1991
5,304,117 Closure method for use in laparoscopic surgery 33 1992
5,330,529 Orbital implant device 10 1993
5,356,430 Hearing prosthesis 12 1993
5,496,367 Breast implant with baffles 14 1994
5,630,843 Double chamber tissue expander 30 1994
5,425,760 Tissue expander apparatus, and methods of constructing and utilizing same 11 1994
5,571,179 Dimensionally adjustable soft tissue expander and method 12 1995
6,386,199 Perilaryngeal oral airway 34 1999
6,896,689 Tissue expander, system and method 1 2003
6,983,744 Perilaryngeal oral airway with temperature sensor 7 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 0 2007
8,202,316 Modulating buttress saline mammary prosthesis 0 2009