US Patent No: 8,216,189

Number of patents in Portfolio can not be more than 2000

Continuous gas flow trocar assembly

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Importance

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Abstract

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A trocar assembly for providing a pressurized insufflation fluid into a patient cavity and for providing sealable access to the patient cavity by a surgical instrument. The assembly comprises an inner tubular member having a proximal end and a distal end. An outer tubular member is disposed about the inner tubular member, the outer tubular member having a proximal end and a distal end. The distal end of the inner tubular member and the distal end of the outer tubular member define a trocar seal nozzle arranged therebetween.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SURGIQUEST, INC.ORANGE, CT33

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Campbell, Michael J Louisville, US 31 768
Halgren, Donald N Manchester, US 44 843
Hartman, George A J Waynesville, US 5 215
Stubbs, Jack B Waynesville, US 27 1462
Thompson, Ronald J Ft. Thomas, US 81 1781

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (9)
4,535,773 Safety puncturing instrument and method 735 1982
4,792,335 Pressure controlled valve apparatus 18 1987
4,869,717 Gas insufflation needle with instrument port 326 1988
5,203,767 Laparoscopic surgical gauze and the like 31 1991
5,199,944 Automatic smoke evacuator system for a surgical laser apparatus and method therefor 83 1991
5,190,068 Control apparatus and method for controlling fluid flows and pressures 72 1992
5,300,047 Trocar cannula and catheter 17 1992
5,312,351 Combined pneumo-needle and trocar apparatus 128 1993
5,800,381 Medical gas insufflator with automatic gas flow control 41 1995
 
GOODSON, JAMES H. (1)
4,735,603 Laser smoke evacuation system and method 137 1986
 
SHERWOOD SERVICES AG (1)
5,545,150 Trocar 128 1994
 
Intellimed Surgical Solutions LLC (1)
2006/0079,925 Direct vision port site dissector 26 2003
 
TYCO HEALTHCARE GROUP LP (1)
6,482,181 Trocar seal system 132 1999
 
APPLIED MEDICAL RESOURCES CORPORATION (2)
6,217,555 Multiport trocar 162 1996
6,162,196 Multiport access device 188 1998
 
POROUS MEDIA CORPORATION (1)
6,508,859 Method and apparatus for removing air or gas from fluid 27 2000
 
Erblan Surgical Inc. (2)
6,497,687 Safety trocar with progressive cutting tip guards and gas jet tissue deflector 50 2000
2002/0161,387 Safety trocar with progressive cutting tip guards and gas jet tissue deflector 33 2002
 
IP TCHNOLOGIES, LLC (1)
* 7,182,752 Continuous gas flow trocar assembly 24 2003
 
PALL CORPORATION (1)
6,685,665 Cannula assembly 39 2001
 
COVIDIEN LP (2)
6,942,671 Surgical sealing apparatus 53 2000
* 7,563,250 Self-sealing cannula 31 2003
 
Northgate Technologies Inc. (3)
6,299,592 Laparoscopic insufflator 50 1998
* 6,905,489 Laparoscopic insertion device 12 2001
2005/0010,164 Mixed-gas insufflation system 11 2004
 
BUFFALO FILTER LLC (1)
6,544,210 Disposable laparoscopic smoke evacuation system 32 1998
 
OLYMPUS OPTICAL CO., LTD. (1)
5,328,458 Insufflation apparatus 34 1992
 
CONMED CORPORATION (1)
6,228,058 Sleeve trocar with penetration indicator 21 1998
 
ETHICON ENDO-SURGERY, INC. (2)
6,042,573 Surgical valve 129 1997
7,297,141 Method for accessing an operative space 6 2004
 
FemRx, Inc. (1)
5,916,198 Non-binding surgical valve 175 1997
 
EDWARDS LIFESCIENCES CORPORATION (3)
5,849,005 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 190 1996
6,309,382 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 124 1998
6,645,197 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 31 2001
 
DHD HEALTHCARE CORPORATION (1)
6,253,766 Continuous positive airway pressure therapy device 26 1999
 
Sprite Solutions (1)
2002/0120,226 Fluidic interventional device and method of distal protection 35 2002
 
MEDTRONIC AVE, INC. (1)
5,284,473 Perfusion catheter with flow amplifier 43 1991
 
SURGIQUEST, INC. (3)
* 7,285,112 Gas flow trocar arrangement 13 2003
* 7,338,473 Pneumoseal trocar arrangement 87 2004
* 7,854,724 Trocar assembly with pneumatic sealing 9 2006
 
ALCON RESEARCH, LTD. (1)
* 6,579,270 Liquefracture handpiece tip 47 2002
 
RICHARD WOLF GMBH (1)
5,013,294 Insufflation device for endoscopic intervention 53 1988
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
LEXION MEDICAL, LLC (1)
9,199,046 Trocar sleeve 0 2014
* Cited By Examiner

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 10, 2020
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 10, 2024
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00