Continuous gas flow trocar assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8216189
APP PUB NO 20070088276A1
SERIAL NO

11517750

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ATTORNEY / AGENT: (SPONSORED)

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, CT39

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Campbell, Michael J Louisville, US 31 841
Halgren, Donald N Manchester, US 44 977
Hartman, George A J Waynesville, US 5 260
Stubbs, Jack B Waynesville, US 27 1660
Thompson, Ronald J Ft. Thomas, US 81 2002

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (9)
4535773 Safety puncturing instrument and method 767 1982
4792335 Pressure controlled valve apparatus 19 1987
4869717 Gas insufflation needle with instrument port 330 1988
5203767 Laparoscopic surgical gauze and the like 33 1991
5199944 Automatic smoke evacuator system for a surgical laser apparatus and method therefor 87 1991
5190068 Control apparatus and method for controlling fluid flows and pressures 80 1992
5300047 Trocar cannula and catheter 18 1992
5312351 Combined pneumo-needle and trocar apparatus 141 1993
5800381 Medical gas insufflator with automatic gas flow control 45 1995
 
GOODSON, JAMES H. (1)
4735603 Laser smoke evacuation system and method 158 1986
 
SHERWOOD SERVICES AG (1)
5545150 Trocar 137 1994
 
TYCO HEALTHCARE GROUP LP (1)
6482181 Trocar seal system 142 1999
 
APPLIED MEDICAL RESOURCES CORPORATION (2)
6217555 Multiport trocar 177 1996
6162196 Multiport access device 202 1998
 
POROUS MEDIA CORPORATION (1)
6508859 Method and apparatus for removing air or gas from fluid 29 2000
 
Erblan Surgical Inc. (2)
6497687 Safety trocar with progressive cutting tip guards and gas jet tissue deflector 51 2000
2002/0161,387 Safety trocar with progressive cutting tip guards and gas jet tissue deflector 35 2002
 
PALL CORPORATION (1)
6685665 Cannula assembly 44 2001
 
COVIDIEN LP (2)
6942671 Surgical sealing apparatus 58 2000
* 7563250 Self-sealing cannula 36 2003
 
Northgate Technologies Inc. (3)
6299592 Laparoscopic insufflator 55 1998
* 6905489 Laparoscopic insertion device 13 2001
2005/0010,164 Mixed-gas insufflation system 12 2004
 
BUFFALO FILTER LLC (1)
6544210 Disposable laparoscopic smoke evacuation system 40 1998
 
OLYMPUS OPTICAL CO., LTD. (1)
5328458 Insufflation apparatus 39 1992
 
CONMED CORPORATION (1)
6228058 Sleeve trocar with penetration indicator 23 1998
 
INTELLIMED SURGICAL SOLUTIONS LLC (HI) (1)
2006/0079,925 Direct vision port site dissector 29 2003
 
ETHICON ENDO-SURGERY, INC. (2)
6042573 Surgical valve 141 1997
7297141 Method for accessing an operative space 7 2004
 
FEMRX, INC. (1)
5916198 Non-binding surgical valve 200 1997
 
EDWARDS LIFESCIENCES CORPORATION (3)
5849005 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 194 1996
6309382 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 137 1998
6645197 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity 33 2001
 
DHD HEALTHCARE CORPORATION (1)
6253766 Continuous positive airway pressure therapy device 33 1999
 
SPRITE SOLUTIONS (1)
2002/0120,226 Fluidic interventional device and method of distal protection 38 2002
 
MEDTRONIC AVE, INC. (1)
5284473 Perfusion catheter with flow amplifier 45 1991
 
SURGIQUEST, INC. (4)
* 7182752 Continuous gas flow trocar assembly 30 2003
* 7285112 Gas flow trocar arrangement 16 2003
* 7338473 Pneumoseal trocar arrangement 98 2004
* 7854724 Trocar assembly with pneumatic sealing 13 2006
 
ALCON RESEARCH, LTD. (1)
* 6579270 Liquefracture handpiece tip 58 2002
 
RICHARD WOLF GMBH (1)
5013294 Insufflation device for endoscopic intervention 54 1988
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
LEXION MEDICAL, LLC (1)
9199046 Trocar sleeve 0 2014
 
TELEFLEX MEDICAL DEVICES S.À R.L. (1)
9439667 Apparatus and methods to install, support and/or monitor performance of intraosseous devices 0 2010
* Cited By Examiner

Maintenance Fees

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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