Surgery – Instruments – Blunt dissectors
Reexamination Certificate
2011-05-10
2011-05-10
Manahan, Todd E (Department: 3734)
Surgery
Instruments
Blunt dissectors
C604S104000
Reexamination Certificate
active
07938842
ABSTRACT:
Surgical apparatus and method includes a cannula that houses an endoscope and supports a dilating element near a distal end of the cannula. The dilating element has a dimension which is greater than the diameter of the cannula for enlarging a surgical cavity in tissue as the cannula is advanced through tissue at a surgical site to provide working space adjacent a target vessel within which surgical instruments may be conveniently manipulated. The dilating element of oval sided shape permits surrounding tissue to be pushed away or otherwise displaced away from the target vessel atraumatically. A locking mechanism is disposed on the cannula, which accepts a succession of mating dilating elements of progressively larger dimensions for successive insertion and enlargement of a surgical cavity as required. In one embodiment, the dilating element is made of rigid plastic, and in another embodiment, the dilating element is made of resilient material that may be confined within a retractable sheath which, in the extended position, encases and compresses the dilating element to a smaller dimension and which, in a retracted position, allows the dilating element to resiliently expand and enlarge the surgical cavity.
REFERENCES:
patent: 1083386 (1914-01-01), Chapman
patent: 1422826 (1922-07-01), Brown
patent: 1683708 (1928-09-01), Wappler
patent: 1727495 (1929-09-01), Wappler
patent: 1731069 (1929-10-01), Herman
patent: 1741461 (1929-12-01), Herman
patent: 1798902 (1931-03-01), Raney
patent: 1867624 (1932-07-01), Hoffman
patent: 1881250 (1932-10-01), Tomlinson
patent: 1978495 (1934-10-01), Landau
patent: 2001169 (1935-05-01), Wallace
patent: 2002594 (1935-05-01), Wappler
patent: 2004559 (1935-06-01), Wappler et al.
patent: 2011169 (1935-08-01), Wappler
patent: 2012937 (1935-09-01), Beuoy
patent: 2028635 (1936-01-01), Wappler
patent: 2031682 (1936-02-01), Wappler et al.
patent: 2162681 (1939-06-01), Ryan
patent: 2220720 (1940-11-01), Jett
patent: 2227727 (1941-01-01), Leggiadro
patent: 2316297 (1943-04-01), Southerland
patent: 2840070 (1958-06-01), Tofflemire
patent: 2821190 (1959-01-01), Chase
patent: 2868206 (1959-01-01), Stoesser
patent: 2944552 (1960-07-01), Canon
patent: 3185155 (1965-05-01), Slaten
patent: 3200028 (1965-08-01), Chisolm
patent: 3224320 (1965-12-01), Knudsen
patent: 3297022 (1967-01-01), Wallace
patent: 3313294 (1967-04-01), Uddenberg
patent: 3336916 (1967-08-01), Edlich
patent: 3354478 (1967-11-01), Allen
patent: 3357433 (1967-12-01), Fourestier et al.
patent: 3391690 (1968-07-01), Armao
patent: 3439523 (1969-04-01), Wood
patent: 3568677 (1971-03-01), Nolan et al.
patent: 3613682 (1971-10-01), Naylor
patent: 3625202 (1971-12-01), Oyoshirhara
patent: 3772127 (1973-11-01), James
patent: 3805793 (1974-04-01), Wright
patent: 3835841 (1974-09-01), Terada
patent: 3856016 (1974-12-01), Davis
patent: 3857386 (1974-12-01), Ashbell
patent: 3866601 (1975-02-01), Russell
patent: 3882854 (1975-05-01), Hulka
patent: 3929137 (1975-12-01), Gonser
patent: 3934115 (1976-01-01), Peterson
patent: 3938527 (1976-02-01), Rioux et al.
patent: 3980861 (1976-09-01), Fukunaga
patent: RE29088 (1976-12-01), Shaw
patent: 4011872 (1977-03-01), Komiya
patent: 4030743 (1977-06-01), Warthen
patent: 4031898 (1977-06-01), Hiltebrandt et al.
patent: 4038987 (1977-08-01), Komiya
patent: 4052980 (1977-10-01), Grams et al.
patent: 4132227 (1979-01-01), Ibe
patent: 4175545 (1979-11-01), Termanini
patent: 4178920 (1979-12-01), Cawood et al.
patent: 4190042 (1980-02-01), Sinnreich
patent: 4196734 (1980-04-01), Harris
patent: 4213460 (1980-07-01), Weiner
patent: 4232660 (1980-11-01), Coles
patent: 4257420 (1981-03-01), Terayama
patent: 4285753 (1981-08-01), Warthen
patent: 4315510 (1982-02-01), Kihn
patent: 4359052 (1982-11-01), Staub
patent: 4362160 (1982-12-01), Hiltebrandt
patent: 4369768 (1983-01-01), Vukovic
patent: 4370980 (1983-02-01), Lottick
patent: 4372295 (1983-02-01), Heckele
patent: 4418692 (1983-12-01), Guay
patent: 4423727 (1984-01-01), Widran et al.
patent: 4428746 (1984-01-01), Mendez
patent: 4440170 (1984-04-01), Golden et al.
patent: 4493320 (1985-01-01), Treat
patent: 4493321 (1985-01-01), Leather
patent: 4493711 (1985-01-01), Chin et al.
patent: 4499898 (1985-02-01), Knepshield et al.
patent: 4499899 (1985-02-01), Lyons, III
patent: 4516574 (1985-05-01), Hewes, Jr.
patent: 4516575 (1985-05-01), Gerhard et al.
patent: 4556058 (1985-12-01), Green
patent: 4557255 (1985-12-01), Goodman
patent: 4562832 (1986-01-01), Wilder et al.
patent: 4586919 (1986-05-01), Taheri
patent: 4587968 (1986-05-01), Price
patent: 4597030 (1986-06-01), Brody et al.
patent: 4597379 (1986-07-01), Kihn et al.
patent: 4597389 (1986-07-01), Ibrahim et al.
patent: 4600940 (1986-07-01), Sluyter
patent: 4607622 (1986-08-01), Fritch et al.
patent: 4638802 (1987-01-01), Okada
patent: 4646738 (1987-03-01), Trott
patent: 4649917 (1987-03-01), Karasawa
patent: 4651733 (1987-03-01), Mobin-Uddin
patent: 4653476 (1987-03-01), Bonnet
patent: 4654024 (1987-03-01), Crittenden et al.
patent: 4655216 (1987-04-01), Tischer
patent: 4656999 (1987-04-01), Storz
patent: 4657018 (1987-04-01), Hakky
patent: 4662068 (1987-05-01), Polonsky
patent: 4667655 (1987-05-01), Ogiu et al.
patent: 4671274 (1987-06-01), Sorochenko
patent: 4700694 (1987-10-01), Shishido
patent: 4702246 (1987-10-01), Ellis et al.
patent: 4705041 (1987-11-01), Kim
patent: 4726370 (1988-02-01), Karasawa et al.
patent: 4744363 (1988-05-01), Hasson
patent: 4745908 (1988-05-01), Wardle
patent: 4754754 (1988-07-01), Garito et al.
patent: 4759348 (1988-07-01), Cawood
patent: 4759364 (1988-07-01), Boebel
patent: 4762120 (1988-08-01), Hussein
patent: 4768508 (1988-09-01), Chin et al.
patent: 4772093 (1988-09-01), Abele et al.
patent: 4773394 (1988-09-01), Reichstein et al.
patent: 4779611 (1988-10-01), Grooters et al.
patent: 4793346 (1988-12-01), Mindich
patent: 4819620 (1989-04-01), Okutsu
patent: 4819633 (1989-04-01), Bauer et al.
patent: 4821718 (1989-04-01), Uldall
patent: 4838246 (1989-06-01), Hahn et al.
patent: 4858595 (1989-08-01), Buess et al.
patent: 4862874 (1989-09-01), Kellner
patent: 4865019 (1989-09-01), Phillips
patent: 4867138 (1989-09-01), Kubota et al.
patent: 4869268 (1989-09-01), Yoon
patent: 4874375 (1989-10-01), Ellison
patent: 4877016 (1989-10-01), Kantor et al.
patent: 4919129 (1990-04-01), Weber, Jr. et al.
patent: 4924851 (1990-05-01), Ognier et al.
patent: 4924882 (1990-05-01), Donovan
patent: 4931042 (1990-06-01), Holmes et al.
patent: 4932952 (1990-06-01), Wojciechowicz, Jr.
patent: 4936842 (1990-06-01), D'Amelio et al.
patent: 4950278 (1990-08-01), Sachse et al.
patent: 4959067 (1990-09-01), Muller
patent: 4966596 (1990-10-01), Kuntz et al.
patent: 4979771 (1990-12-01), Childs, III
patent: 4985030 (1991-01-01), Melzer et al.
patent: 4991565 (1991-02-01), Takahashi et al.
patent: 4994062 (1991-02-01), Nishigaki et al.
patent: 4997419 (1991-03-01), Lakatos et al.
patent: 4997436 (1991-03-01), Oberlander
patent: 4998527 (1991-03-01), Meyer
patent: 4998972 (1991-03-01), Chin et al.
patent: 5007898 (1991-04-01), Rosenbluth et al.
patent: 5007907 (1991-04-01), Nishigaki et al.
patent: 5007908 (1991-04-01), Rydell
patent: 5011490 (1991-04-01), Fischell et al.
patent: 5013312 (1991-05-01), Parins et al.
patent: 5020514 (1991-06-01), Heckele
patent: 5025778 (1991-06-01), Silverstein et al.
patent: 5026370 (1991-06-01), Lottick
patent: 5026383 (1991-06-01), Nobles
patent: 5035232 (1991-07-01), Lutze et al.
patent: 5037433 (1991-08-01), Wilk et al.
patent: 5046251 (1991-09-01), Scott
patent: 5047038 (1991-09-01), Peters et al.
patent: 5049154 (1991-09-01), Quadri
patent: 5053041 (1991-10-01), Ansari et al.
patent: 5100420 (1992-03-01), Green et al.
patent: 5122137 (1992-06-01), Lennox
patent: 5139508 (1992-08-01), Kantrowitz et al.
patent: 5147356 (1992-09-01), Bhatta
patent: 5151102 (1992-09-01), Karmiyama et al.
patent: 5171255 (1992-12-01), Rydell
patent: 5171311 (1992-12-01), Rydell et al.
patent: 5181919 (1993-01-01), Bergman et al.
patent: 5188630 (1993-02-01), Christoudias
patent: 5190541 (1993-03-01), Abele et al.
patent: 5192280 (1993-03-01), Parins
pat
Manahan Todd E
MAQUET Cardiovascular LLC
Nguyen Victor X
Vista IP Law Group LLP
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