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, MN34
PMT INC.HOPKINS, MN7

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastman, William J Maple Grove, MN 7 389
Iversen, Alfred A Wayzata, MN 20 774
Van, Beek Allen L Edina, MN 3 380

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ALLEGIANCE CORPORATION (1)
4,190,040 Resealable puncture housing for surgical implantation 103 1978
 
KOKEN CO., LTD. (1)
4,413,359 Impermeable laminate membrane 78 1982
 
PAIGE STEPHEN B. (1)
4,217,889 Flap development device and method of progressively increasing skin area 129 1978
 
REGENTS OF THE UNIVERSITY OF MINNESOTA (1)
4,536,179 Implantable catheters with non-adherent contacting polymer surfaces 56 1982

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
KYPHON SARL (65)
6,423,083 Inflatable device for use in surgical protocol relating to fixation of bone 117 1998
6,379,355 Spine distraction implant and method 129 1999
6,332,882 Spine distraction implant 123 1999
6,419,676 Spine distraction implant and method 160 2000
6,451,020 Spine distraction implant and method 137 2000
6,899,719 Systems and methods for treating fractured or diseased bone using expandable bodies 78 2001
6,419,677 Spine distraction implant and method 148 2001
6,796,983 Spine distraction implant and method 133 2001
7,101,375 Spine distraction implant 149 2001
6,902,566 Spinal implants, insertion instruments, and methods of use 86 2001
6,514,256 Spine distraction implant and method 222 2001
6,478,796 Spin distraction implant and method 170 2001
6,582,433 Spine fixation device and method 283 2001
7,201,751 Supplemental spine fixation device 187 2001
6,699,246 Spine distraction implant 227 2001
6,699,247 Spine distraction implant 132 2001
6,926,728 Curved dilator and method 122 2001
6,652,534 Apparatus and method for determining implant size 110 2001
6,712,819 Mating insertion instruments for spinal implants and methods of use 179 2001
6,652,527 Supplemental spine fixation device and method 161 2001
6,695,842 Interspinous process distraction system and method with positionable wing and method 248 2001
7,189,234 Interspinous process implant sizer and distractor with a split head and size indicator and method 44 2001
7,029,473 Deflectable spacer for use as an interspinous process implant and method 39 2002
7,833,246 Interspinous process and sacrum implant and method 0 2003
7,497,859 Tools for implanting an artificial vertebral disk 10 2003
7,306,628 Interspinous process apparatus and method with a selectably expandable spacer 137 2003
7,273,496 Artificial vertebral disk replacement implant with crossbar spacer and method 49 2003
7,083,649 Artificial vertebral disk replacement implant with translating pivot point 104 2003
6,966,929 Artificial vertebral disk replacement implant with a spacer 92 2003
7,335,203 System and method for immobilizing adjacent spinous processes 126 2004
7,901,432 Method for lateral implantation of spinous process spacer 0 2004
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7,510,567 Spinal implants, insertion instruments, and methods of use 5 2004
7,695,513 Distractible interspinous process implant and method of implantation 4 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 28 2004
7,691,146 Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer 14 2004
7,670,377 Laterally insertable artifical vertebral disk replacement implant with curved spacer 14 2004
7,520,899 Laterally insertable artificial vertebral disk replacement implant with crossbar spacer 16 2004
7,503,935 Method of laterally inserting an artificial vertebral disk replacement with translating pivot point 25 2004
7,320,707 Method of laterally inserting an artificial vertebral disk replacement implant with crossbar spacer 46 2004
7,481,839 Bioresorbable interspinous process implant for use with intervertebral disk remediation or replacement implants and procedures 10 2004
7,575,600 Artificial vertebral disk replacement implant with translating articulation contact surface and method 25 2004
7,524,324 System and method for an interspinous process implant as a supplement to a spine stabilization implant 47 2004
7,601,170 Inter-cervical facet implant and method 25 2005
7,591,851 Inter-cervical facet implant and method 28 2005
7,955,356 Laterally insertable interspinous process implant 1 2005
7,918,877 Lateral insertion method for spinous process spacer with deployable member 1 2005
7,621,939 Supplemental spine fixation device and method 5 2005
8,100,944 Inter-cervical facet implant and method for preserving the tissues surrounding the facet joint 1 2005
7,909,853 Interspinous process implant including a binder and method of implantation 4 2005
8,048,117 Interspinous process implant and method of implantation 1 2005
8,070,778 Interspinous process implant with slide-in distraction piece and method of implantation 1 2006
7,931,674 Interspinous process implant having deployable wing and method of implantation 5 2006
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7,959,652 Interspinous process implant having deployable wings and method of implantation 2 2006
7,828,822 Spinous process implant 8 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 5 2006
7,476,251 Interspinous process apparatus and method with a selectably expandable spacer 24 2006
7,803,190 Interspinous process apparatus and method with a selectably expandable spacer 3 2006
8,012,209 Interspinous process implant including a binder, binder aligner and method of implantation 0 2007
7,635,378 Spine distraction implant and method 18 2007
8,246,681 Methods for treating a fractured and/or diseased and/or weakened bone 0 2007
 
ETHICON ENDO-SURGERY, INC. (43)
7,862,546 Subcutaneous self attaching injection port with integral moveable retention members 49 2003
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7,850,660 Implantable medical device with simultaneous attachment mechanism and method 51 2005
7,651,483 Injection port 42 2005
7,762,999 Injection port 5 2006
8,162,897 Audible and tactile feedback 0 2006
7,655,004 Electroporation ablation apparatus, system, and method 21 2007
7,815,662 Surgical suture anchors and deployment device 31 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 0 2008
8,568,410 Electrical ablation surgical instruments 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 2 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 40 2008
8,529,563 Electrical ablation devices 0 2008
8,241,204 Articulating end cap 0 2008
8,480,689 Suturing device 0 2008
8,409,200 Surgical grasping device 0 2008
8,114,119 Surgical grasping device 1 2008
8,337,394 Overtube with expandable tip 1 2008
8,157,834 Rotational coupling device for surgical instrument with flexible actuators 0 2008
8,172,772 Specimen retrieval device 1 2008
8,361,066 Electrical ablation devices 0 2009
8,252,057 Surgical access device 0 2009
8,037,591 Surgical scissors 7 2009
8,608,652 Vaginal entry surgical devices, kit, system, and method 0 2009
8,029,504 Electroporation ablation apparatus, system, and method 3 2009
8,353,487 User interface support devices for endoscopic surgical instruments 0 2009
8,506,564 Surgical instrument comprising an electrode 0 2009
8,449,538 Electroporation ablation apparatus, system, and method 0 2010
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8,425,505 Electroporation ablation apparatus, system, and method 0 2011
 
GENERAL SURGICAL INNOVATIONS, INC. (28)
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6,168,608 Apparatus and method for developing an anatomic space for laparoscopic procedures 16 1999
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6,562,056 Balloon device for use in surgery and method of use 8 2001
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7,695,487 Balloon dissection apparatus 0 2003
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7,214,236 Apparatus and methods for developing an anatomic space for laparoscopic hernia repair and patch for use therewith 2 2004
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C.R. BARD, INC. (18)
8,177,762 Septum including at least one identifiable feature, access ports including same, and related methods 12 2005
7,785,302 Access port identification systems and methods 13 2006
8,545,460 Infusion apparatuses and related methods 0 2006
7,959,615 Access port identification systems and methods 11 2008
8,475,417 Assemblies for identifying a power injectable access port 4 2009
8,025,639 Methods of power injecting a fluid through an access port 12 2009
7,947,022 Access port identification systems and methods 14 2009
8,202,259 Systems and methods for identifying an access port 11 2009
8,029,482 Systems and methods for radiographically identifying an access port 13 2010
D682416 Implantable access port 0 2010
D676955 Implantable access port 10 2010
8,382,723 Access port identification systems and methods 7 2011
8,382,724 Systems and methods for radiographically identifying an access port 7 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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8,641,688 Assemblies for identifying a power injectable access port 0 2013
 
BOSTON SCIENTIFIC SCIMED, INC. (14)
5,195,969 Co-extruded medical balloons and catheter using such balloons 275 1991
6,136,258 Method of forming a co-extruded balloon for medical purposes 63 1995
5,766,201 Expandable catheter 43 1995
5,797,877 Medical device balloons containing thermoplastic elastomers 180 1996
6,132,824 Multilayer catheter balloon 57 1997
6,048,356 Expandable catheter 25 1998
6,086,556 Medical device balloons containing thermoplastic elastomers 50 1998
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6,896,842 Medical device balloons containing thermoplastic elastomers 16 2000
6,425,908 Expandable catheter 7 2001
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8,617,158 Radio frequency ablation cooling shield 0 2010
 
VERTIFLEX, INC. (8)
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COVIDIEN LP (7)
7,967,835 Apparatus for use in fascial cleft surgery for opening an anatomic space 1 2003
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8,454,645 Balloon dissector with cannula 0 2007
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TYCO HEALTHCARE GROUP LP (6)
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8,172,869 Balloon dissection apparatus 0 2010
 
BAXTER INTERNATIONAL INC. (5)
5,545,223 Ported tissue implant systems and methods of using same 144 1995
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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
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ALLERGAN, INC. (3)
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COLOPLAST A/S (3)
6,060,639 Testicular prosthesis and method of manufacturing and filling 13 1994
5,725,507 Self-sealing injection sites and plugs 34 1996
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DOW CORNING WRIGHT CORPORATION (3)
4,841,992 Tissue expander and method of making and using 21 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
6,849,092 Implantable prosthetic or tissue expanding device 16 2001
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ORTHOPHOENIX, LLC (3)
6,663,647 Inflatable device for use in surgical protocol relating to fixation of bone 66 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 0 2006
 
SM TECHNOLOGIES, LLC (3)
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8,257,325 Venous access port with molded and/or radiopaque indicia 11 2008
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Medical Engineering Corporation (2)
4,908,029 Flexible needle stop 26 1989
5,074,878 Tissue expander and method 55 1991
 
ORIGIN MEDSYSTEMS, INC. (2)
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R.S. MEDICAL, LLC (2)
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AOTI, INC. (1)
5,154,697 Collapsible topical hyperbaric apparatus 28 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 49 1991
 
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS (1)
6,520,989 Extreme volume flexible integrity prosthesis 14 2000
 
CITY OF HOPE (1)
5,109,875 Ring tissue expanders and their method of use 21 1990
 
Collabcom II, LLC (1)
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Engineered Medical System, Inc. (1)
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HON HAI PRECISION INDUSTRY CO., LTD. (1)
8,083,794 Replica eye 1 2009
 
Hudson Design Group (1)
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IMPLITE LTD. (1)
8,545,557 Human implantable tissue expander 0 2007
 
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)
5,480,433 Method of treating hearing loss 5 1994
 
MCGHAN MEDICAL CORPORATION (1)
4,828,560 Spring ring tissue expander 11 1988
 
MEDIATEK INC. (1)
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MEDTRONIC, INC. (1)
5,112,303 Tumor access device and method for delivering medication into a body cavity 77 1991
 
MENTOR CORPORATION (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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Other [Check patent profile for assignment information] (24)
4,800,901 Balloon-type Tissue expansion device 95 1987
4,902,292 Vitreous body prosthesis device 25 1988
4,955,905 Method and apparatus for monitoring pressure of human tissue expansion devices 12 1989
4,955,395 Tissue expander and method of treating male temple baldness 14 1990
5,005,591 Self-inflating tissue expander 29 1990
5,104,409 Mammary implant 12 1991
5,176,692 Method and surgical instrument for repairing hernia 382 1991
5,192,314 Synthetic intraventricular implants and method of inserting 275 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 13 1993
5,496,367 Breast implant with baffles 25 1994
5,630,843 Double chamber tissue expander 38 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 22 1995
6,386,199 Perilaryngeal oral airway 37 1999
6,896,689 Tissue expander, system and method 1 2003
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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 2 2009