US Patent No: 8,216,189
Number of patents in Portfolio can not be more than 2000
Continuous gas flow trocar assembly
Stats
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Jul 10, 2012
Issued date -
Sep 8, 2006
filing date -
11/517,750
serial no -
In Force
status
Importance
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Abstract
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
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,849,005 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity | 159 | 1996 | |
| 6,309,382 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity | 49 | 1998 | |
| 6,645,197 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity | 15 | 2001 | |
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| 6,299,592 Laparoscopic insufflator | 32 | 1998 | |
| 6,905,489 Laparoscopic insertion device | 7 | 2001 | |
| 2005/0010,164 Mixed-gas insufflation system | 7 | 2004 | |
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| 6,217,555 Multiport trocar | 67 | 1996 | |
| 6,162,196 Multiport access device | 84 | 1998 | |
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| 6,942,671 Surgical sealing apparatus | 31 | 2000 | |
| 7,563,250 Self-sealing cannula | 8 | 2003 | |
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| 6,497,687 Safety trocar with progressive cutting tip guards and gas jet tissue deflector | 25 | 2000 | |
| 2002/0161,387 Safety trocar with progressive cutting tip guards and gas jet tissue deflector | 13 | 2002 | |
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| 6,042,573 Surgical valve | 60 | 1997 | |
| 7,297,141 Method for accessing an operative space | 2 | 2004 | |
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| 7,285,112 Gas flow trocar arrangement | 3 | 2003 | |
| 7,338,473 Pneumoseal trocar arrangement | 34 | 2004 | |
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| 6,579,270 Liquefracture handpiece tip | 20 | 2002 | |
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| 4,265,572 Process for the pneumatic transfer of a pulverulent material | 16 | 1979 | |
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| 6,228,058 Sleeve trocar with penetration indicator | 9 | 1998 | |
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| 6,253,766 Continuous positive airway pressure therapy device | 14 | 1999 | |
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| 5,916,198 Non-binding surgical valve | 54 | 1997 | |
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| 4,184,510 Valued device for controlling vacuum in surgery | 269 | 1978 | |
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| 4,735,603 Laser smoke evacuation system and method | 95 | 1986 | |
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| 2006/0079,925 Direct vision port site dissector | 17 | 2003 | |
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| 7,182,752 Continuous gas flow trocar assembly | 4 | 2003 | |
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| 6,544,210 Disposable laparoscopic smoke evacuation system | 12 | 1998 | |
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| 5,284,473 Perfusion catheter with flow amplifier | 38 | 1991 | |
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| 5,328,458 Insufflation apparatus | 21 | 1992 | |
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| 6,685,665 Cannula assembly | 13 | 2001 | |
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| 6,508,859 Method and apparatus for removing air or gas from fluid | 21 | 2000 | |
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| 5,013,294 Insufflation device for endoscopic intervention | 48 | 1988 | |
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| 5,545,150 Trocar | 68 | 1994 | |
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| 2002/0120,226 Fluidic interventional device and method of distal protection | 24 | 2002 | |
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| 7,854,724 Trocar assembly with pneumatic sealing | 1 | 2006 | |
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| 6,482,181 Trocar seal system | 78 | 1999 | |
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| 4,535,773 Safety puncturing instrument and method | 579 | 1982 | |
| 4,792,335 Pressure controlled valve apparatus | 17 | 1987 | |
| 4,869,717 Gas insufflation needle with instrument port | 284 | 1988 | |
| 5,203,767 Laparoscopic surgical gauze and the like | 21 | 1991 | |
| 5,199,944 Automatic smoke evacuator system for a surgical laser apparatus and method therefor | 56 | 1991 | |
| 5,190,068 Control apparatus and method for controlling fluid flows and pressures | 60 | 1992 | |
| 5,300,047 Trocar cannula and catheter | 15 | 1992 | |
| 5,312,351 Combined pneumo-needle and trocar apparatus | 64 | 1993 | |
| 5,800,381 Medical gas insufflator with automatic gas flow control | 32 | 1995 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 10, 2016 |
| 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 - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |