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, MN21
PMT INC.HOPKINS, MN0

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastman, William J Hopkins, MN 7 430
Iversen, Alfred A Hopkins, MN 21 902
Van, Beek Allen L Edina, MN 5 425

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
 
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7,238,193 Tissue expander, system and method 1 2005
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8,220,260 Fluid transmission 0 2006
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7,601,170 Inter-cervical facet implant and method 52 2005
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7,955,356 Laterally insertable interspinous process implant 5 2005
7,918,877 Lateral insertion method for spinous process spacer with deployable member 4 2005
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8,100,944 Inter-cervical facet implant and method for preserving the tissues surrounding the facet joint 12 2005
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7,850,660 Implantable medical device with simultaneous attachment mechanism and method 84 2005
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7,655,004 Electroporation ablation apparatus, system, and method 50 2007
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8,075,572 Surgical suturing apparatus 7 2007
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8,579,897 Bipolar forceps 2 2007
8,262,655 Bipolar forceps 2 2007
8,262,680 Anastomotic device 5 2008
8,568,410 Electrical ablation surgical instruments 2 2008
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8,679,003 Surgical device and endoscope including same 1 2008
8,652,150 Multifunction surgical device 1 2008
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8,070,759 Surgical fastening device 8 2008
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8,361,112 Surgical suture arrangement 2 2008
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8,241,204 Articulating end cap 4 2008
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Medical Engineering Corporation (2)
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MCGHAN MEDICAL CORPORATION (1)
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UNIVERSITY OF MIAMI (2)
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THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (8)
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8,029,482 Systems and methods for radiographically identifying an access port 18 2010
8,715,244 Extensible internal bolster for a medical device 1 2010
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D682416 Implantable access port 0 2010
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8,382,723 Access port identification systems and methods 12 2011
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8,641,676 Infusion apparatuses and methods of use 4 2012
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8,998,860 Systems and methods for identifying an access port 0 2012
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8,585,663 Access port identification systems and methods 4 2013
8,641,688 Assemblies for identifying a power injectable access port 5 2013
 
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COLLABCOM5, LLC., A COLORADO LIMITED LIABILITY CORP. (1)
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