US2944552A - Surgical instrument - Google Patents

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Publication number
US2944552A
US2944552A US78356258A US2944552A US 2944552 A US2944552 A US 2944552A US 78356258 A US78356258 A US 78356258A US 2944552 A US2944552 A US 2944552A
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tubular
instrument
artery
member
handle
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Expired - Lifetime
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Jack A Cannon
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Richard B Wilk
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/32053Punch like cutting instruments, e.g. using a cylindrical or oval knife
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/3207Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320708Curettes, e.g. hollow scraping instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00008Vein tendon strippers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/3207Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B2017/320741Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy

Description

y 1960 J. A. CANNON 2,944,552

' SURGICAL INSTRUMENT Filed Dec. 29. 8

Ill/U1 INVENTOR.

JACK A. CANNON ATTORNEY Thi'sfinvention pertainsto surglcal devices and more particularly to an'arrangementlfor treating arteriosclerotic occlusivedisease. 1:":5; --i .f p :55", 5.

In thepast in treatingoccluded; rteries the app'roach I generally has beenueitherto provide t n-arterial; graft, or

to' restore the1living -artery by means of conventional have been indeterminate-and inconclusive as to the heme; iitobtained. On the other-hand, -removalio f the occlu-. sion from the living artery has been a long'and diflicult United t Cannon, Westios-Angeles, Califi, nssignor to 4 and 5gwhich are inclined with. respect tothe, axis of thc tube. In the pref'erredfembodimentthese faces are arranged so thatangle at the forwardedge of the'tubular section ,is 209. 5 :A ngle 18; between the axis Aof tubular member3 and -front' -face. 4 therefore is 70?. Outer pe ripheryg 6 ofrthe tubular 'sec tion .tapers forwardly toward face 4; so asto definei' a;relativelysharp cutting edgeat this face. lnterior surface 7 may .rfemainparallelto the axis of thetubulansection.

'- Tubular section 3 and handle both constructed of stainless steelfor durability jand corrosion resistance.

epa i hd b faces in' alignment' with. outer surfacefl. Theattachs positions the forward portionj'9qof facef toflthe tubular V 7 endarter'ectomy." The former} expedient requir 15 1 plyof vessels for use ina the: operation and,the-results.

The joint "b etw 'n-jthe h'andle andlthe' tubular section; is 'lve'rf soldering end 8 of thehan'dle to of the .t11bu1 a1 section to the handle is ;such.,tliat cutting face A inclines. from end 8 of 'ith'efhandle; .,1This section diametrically opposite- 'the connection ofthe ha'n dleto, member 3. o

. 1 using the inst I plored for collapsibility and opened to check for adequate operation, unsuitable for persons in advanced age groups. 2 I

It has been. necessary tolmake a longitudinalfin'cision in the artery throughout the entire length of the obstruction. This, mayextend for as much as 32centimeters, and in some instances even longer." After removal of thefoblqz mlcflowv from below as a result filling from'fadeq'uate collateral. It ispreferred.also tofobtain a popliteal arteriogra m,in,orderlflto' ascertain thelfexact 'status of the vessel.

If popliteal artery. ispatent and' .continuous' with at f least onemajorbranchvessel, isldefsirableto continue structing intima and secondary"thromb .1 1S, theientireli-ncision must be closed'by a'running "arterial sutufel It is necessary. to'do this -very meticulously which extg d theloperating time to what maybe unac eptabIeli nitsA;

' -According to thepresentinventioii, an instrument'is provided giving the advantages of freeing a living artery, yet drastically reducing operating time.

Therefore, it is an object of this invention to provide an instrument usable in treatment of arteriosclerotic occlusive disease.

Another object of this invention is to remove an obstruction in an artery without extensive suturing.

A further object of this invention is to materially reduce operating time in the treatment of such cases.

Yet another object of this invention is to provide an instrument having-a short tubular cutting portion on the end of a flexible handle which may be inserted within an artery for removing an occlusion therein.

These and other objects will become apparent from the followingdetailed description taken in connection with the accompanying drawing in which:

Fig. 1 is a perspective view of the surgical instrument of this invention,

Fig. 2 is an enlarged fragmentary sectional view illustrating the forward cutting portion of the instrument,

Fig. 3 is an enlarged sectional view illustratingia' po'rtion of the artery prepared for removal ofthe occlusion by theinstrument of this invention,

' Fig.4 is a fragmentary perspect ve view of the v ment used in its initial stage in freeing the interio'r of an from 'withinan artery, and Fig. 6 is an elevational view, partially broken away,

of a modified form of flexible handle for the instrumen Fig. 5 is an enlarged-sectional view showing the instrument of this inventionduring its removal of an occlusion 7 ',It 1 s. important in the next phase of the operation to start the cleavage planeproperly between the thickened intima., and,the surrounding media. "Thus, vas seen in 131g 3, beveledcut.liljis-rnade in loosening intima 11 from the interior of ,artery 12 at the. location of short longitudinal incision 13. prevents subsequent dissection of the distal intimal edge when blood flow is reestablished. After this beveled incision has been accomplished'carefully around the entire inner circumference of the artery, instrument 1 is threaded on intima 11 in the manner illustrated in Fig. 4. The intima is received by the interior of tubular member 3 with cutting face 4 at the forward edge toward the occluded section of the artery. as best seen in Fig. 5 which frees the thickened intima from the arterial wall. Tubular section 3 is gently forced forwardly by handle 2 extending through incision 13 into the artery a distance suflicient to free the entire obstruction portion. The substantially inclination of the cutting face has been found to give optimum results in advancing .the cleavage plane. Other angular relationshipswmay be used successfully if not as effectively.

When the occluding portion has been freed by the instrument'of this invention, it may be pulled fromthe artery through-incision 13, following which the instrument also is removed and the necessary sutures are made.

It can be seen from the foregoing, therefore, that. it

is possible by the use of the instrument of this invention to' remove a lengthy obstruction from within an artery whilemaking only a small incision in the wall of the that operating time is greatly reduced and that improved results are obtained. q

The instrument of this invention maybe made in various sizes so that arteries of different diameters may be successfully operated upon. Preferably a number of instruments of graduated sizes are supplied in a surgical kit so that whatever the size of the vessel encountered a properly, dimensioned instrument will be available. The outer diameter of the tubular section may vary considerably from around .110 inch to nearly one-half inch 2,944,552" Patented July 12,1960

rut-dent.'iif-Lthis inventionthe patient v is: placed supine {under a long: acting spinalnanesthesia. v An incision is made and the artery isfisolated'. It is x Instrument 1 then is advanced from incision 13 1 in size. Similarly, wall thickness may run from .060

given a slight twist as illustrated. Helically wrapped around the exterior ofportion 14 is an additional'wirelS entirely covering the central portion throughout its length. This provides a strong, flexible handle which has some rigidity in the axial direction, but which also will retain a curvature impartedto it. I V I From the foregoing, therefore, itmay be seen thatI, have. provided an. improved surgicalv instrument. readily usable in removing arterial obstructions" without requiring. long operating time or extensive suturing. Theins trumentxis comparatively simple'to construct and use, and'with the front cuttingedge inclined forwardly at approximately 70 as described above, an eflective. cleavage of the thickened intima is obtained.

H The foregoing detailed description is to be clearly un derstood as given by way of illustration andexample only, a

being limited solely lar cutting edge and' inclined with respectto the axis ofsaid tubular member, .and a flexible rod-like thrust-absorbing handle attached to the opposite end of said1rnemedge being inclined at an angle of substantially 70 with respect tothe axis of said tubular member, and a flexible handle secured to the opposite end of said tubular member.

3. A surgical instrument comprising a relatively short tubular member the ends of which are parallel and inclined with respect to the axis of said member, the outer said member being parallel and inclined with respect to the axis of said tubular. member at an angle of substantially-70", the inner surface of said tubular. rnemberbeing substantially cylindrical in shape, the outerl 'surface of said tubular 'member taperingtoward said inner surface at" one end of said member to define with said inner surface'a cutting edge, and a stainless steel wire handle silver soldered tosaid tubular member- 'in substantial alignment withthe outer surface thereof at the end of said tubular member opposite said cutting edge and positioned so that said cutting'edge inclines away from said handle.

her at. one side of the axis thereof so that said inclined References Cited in theme of thispatent;

UNITED STATES PATENTS Trace Apr. 16, 1957

US2944552A 1958-12-29 1958-12-29 Surgical instrument Expired - Lifetime US2944552A (en)

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Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611849A (en) * 1969-07-10 1971-10-12 Joseph Domonkos Eating utensil for stringlike foods
US3730185A (en) * 1971-10-29 1973-05-01 Cook Inc Endarterectomy apparatus
US3886943A (en) * 1973-08-10 1975-06-03 Aphrodite P Skiff Surgical instrument
US3929138A (en) * 1973-07-18 1975-12-30 Eli Curi Sub-intimal dissector and methods for performing endarterectomies therewith
US4287890A (en) * 1980-01-24 1981-09-08 Fogarty Thomas J Endarterectomy method
US4290427A (en) * 1979-11-26 1981-09-22 Thomas J. Fogarty Endarterectomy apparatus
US4315511A (en) * 1979-09-02 1982-02-16 Thomas J. Fogarty Endarterectomy apparatus
DE3006170C2 (en) * 1980-02-19 1982-04-08 Aesculap-Werke Ag Vormals Jetter & Scheerer, 7200 Tuttlingen, De
WO1982003168A1 (en) * 1981-03-12 1982-09-30 Finn Skjaerpe Microsurgical instrument
US4518152A (en) * 1983-02-04 1985-05-21 Pierce Harry C Device for loosening a cable within a conduit
US4559927A (en) * 1979-11-26 1985-12-24 Thomas J. Fogarty Endarterectomy apparatus and process
US4574781A (en) * 1979-09-02 1986-03-11 Thomas J. Fogarty Endarterectomy process
EP0176957A2 (en) * 1984-10-02 1986-04-09 Ezra Dr. Levy Surgical apparatus
US4594996A (en) * 1982-09-30 1986-06-17 Ibrahim Adel A Method for removing objects from tubular body passages
US4597389A (en) * 1982-09-30 1986-07-01 Ibrahim Adel A Device for removing objects from tubular body passages
US4621636A (en) * 1979-07-23 1986-11-11 Fogarty Thomas J Endarterectomy method and apparatus
US5074869A (en) * 1988-09-26 1991-12-24 Daicoff George R Vascular occlusion device
US5156607A (en) * 1991-09-25 1992-10-20 Peter G. Kansas Manual small incision cataract extraction method and instrument
US5373840A (en) * 1992-10-02 1994-12-20 Knighton; David R. Endoscope and method for vein removal
WO1995011633A1 (en) * 1993-10-25 1995-05-04 Cardiovascular Concepts, Inc. An instrument for loosening and cutting through the intima of a blood vessel, and a method therefor
US5667480A (en) * 1995-10-20 1997-09-16 Ethicon Endo-Surgery, Inc. Method and devices for endoscopic vessel harvesting
US5707389A (en) * 1995-06-07 1998-01-13 Baxter International Inc. Side branch occlusion catheter device having integrated endoscope for performing endoscopically visualized occlusion of the side branches of an anatomical passageway
WO1998002102A2 (en) * 1996-07-12 1998-01-22 Newman Fredric A Endarterectomy surgical instruments and procedure
US5772576A (en) * 1995-12-11 1998-06-30 Embro Vascular L.L.C. Apparatus and method for vein removal
WO1998030156A1 (en) * 1997-01-14 1998-07-16 Teramed Incorporated Method for forming custom length grafts after endoluminal insertion
US5820629A (en) * 1996-08-13 1998-10-13 Medtronic, Inc. Intimal lining transition device and endarterectomy method
US5853417A (en) * 1995-05-19 1998-12-29 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US5902315A (en) * 1997-08-28 1999-05-11 Ethicon Endo-Surgery, Inc. Optical tissue dissector/retractor
US5913870A (en) * 1996-08-13 1999-06-22 United States Surgical Corporation Surgical dissector
US5922004A (en) * 1997-08-28 1999-07-13 Ethicon Endo-Surgery, Inc. Method for performing optical tissue dissection/retraction
US5928138A (en) * 1996-08-15 1999-07-27 Ethicon Endo-Surgery, Inc. Method and devices for endoscopic vessel harvesting
US5928246A (en) * 1997-10-15 1999-07-27 Bsc Northwest Technology Center, Inc. Stent securing catheter
US5968066A (en) * 1994-06-29 1999-10-19 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US6027509A (en) * 1996-10-03 2000-02-22 Scimed Life Systems, Inc. Stent retrieval device
US6042538A (en) * 1998-11-18 2000-03-28 Emory University Device for endoscopic vessel harvesting
WO2000021445A1 (en) * 1998-10-09 2000-04-20 Avatar Incorporated Vascular Architects Remote endarterectomy ring stripper
US6077289A (en) * 1995-05-19 2000-06-20 General Surgical Innovations Methods and devices for harvesting blood vessels with balloons
US6106531A (en) * 1995-12-07 2000-08-22 Schatz; Richard A. Retrieval shuttle
US6193653B1 (en) 1998-02-06 2001-02-27 Ethicon Endo-Surgery, Inc. Methods and devices for visualizing, dissecting and harvesting vessels and the like
US6241745B1 (en) 1999-09-16 2001-06-05 David Rosenthal Apparatus and method for performing an endarterectomy
US20020004680A1 (en) * 1993-06-07 2002-01-10 Mark Plaia Anti-stenotic method and product for occluded and partially occluded arteries
US6506200B1 (en) 1995-07-13 2003-01-14 Origin Medsystems, Inc. Tissue separation cannula and method
US6511494B1 (en) 2000-11-17 2003-01-28 Embro Corporation Vein harvesting system and method
US20030083675A1 (en) * 1998-06-23 2003-05-01 Orthopaedic Biosystems Ltd., Inc. A Arizona Corporation Surgical knot manipulator
US6558313B1 (en) 2000-11-17 2003-05-06 Embro Corporation Vein harvesting system and method
US20030187461A1 (en) * 1999-08-10 2003-10-02 Chin Albert K. Releasable guide and method for endoscopic cardiac lead placement
US20040102804A1 (en) * 1999-08-10 2004-05-27 Chin Albert K. Apparatus and methods for endoscopic surgical procedures
US20040111101A1 (en) * 1999-08-10 2004-06-10 Chin Albert K. Endoscopic subxiphoid surgical procedures
US20040153098A1 (en) * 1999-08-10 2004-08-05 Chin Albert K. Apparatus and method for endoscopic cardiac mapping and lead placement
US20040216748A1 (en) * 1999-08-10 2004-11-04 Chin Albert K. Apparatus and method for endoscopic encirclement of pulmonary veins for epicardial ablation
US20040225317A1 (en) * 2003-05-05 2004-11-11 Rehnke Robert D. Apparatus for use in fascial cleft surgery for opening an anatomic space
US20040236231A1 (en) * 2003-05-23 2004-11-25 Embro Corporation Light catheter for illuminating tissue structures
US20060025796A1 (en) * 2004-07-30 2006-02-02 Regeneration Technologies Methods and apparatus for minimally invasive recovery of bone and/or other tissue
US7001404B1 (en) 1995-07-13 2006-02-21 Origin Medsystems, Inc. Tissue separation cannula and method
US20060173481A1 (en) * 2005-02-03 2006-08-03 Vascular Architects, Inc., A Delaware Corporation Ring stripper with tissue dissecting element
US20060229490A1 (en) * 1999-08-10 2006-10-12 Chin Albert K Method for cardiac restaint
US20060235449A1 (en) * 2005-04-19 2006-10-19 Vascular Architects, Inc., A Delaware Corporation Vascular intimal lining removal assembly
US20060287574A1 (en) * 1999-08-25 2006-12-21 Chin Albert K Longitudinal dilator
US20070005084A1 (en) * 2004-06-16 2007-01-04 Clague Cynthia T Minimally invasive coring vein harvester
US7288096B2 (en) 2003-01-17 2007-10-30 Origin Medsystems, Inc. Apparatus for placement of cardiac defibrillator and pacer
US7384423B1 (en) 1995-07-13 2008-06-10 Origin Medsystems, Inc. Tissue dissection method
US20080161841A1 (en) * 2006-10-16 2008-07-03 Clague Cynthia T Cutting device and method of vessel harvesting
US20090054875A1 (en) * 2006-02-22 2009-02-26 Strauss Bradley H Guide-wire sleeve for facilitation of lesion crossing
US20100305594A1 (en) * 2004-05-13 2010-12-02 Scottsdale Medical Devices, Inc. Percutaneous vein harvester with shielded blade
US7867163B2 (en) 1998-06-22 2011-01-11 Maquet Cardiovascular Llc Instrument and method for remotely manipulating a tissue structure
US7938842B1 (en) 1998-08-12 2011-05-10 Maquet Cardiovascular Llc Tissue dissector apparatus
US7972265B1 (en) 1998-06-22 2011-07-05 Maquet Cardiovascular, Llc Device and method for remote vessel ligation
US8241210B2 (en) 1998-06-22 2012-08-14 Maquet Cardiovascular Llc Vessel retractor
US8579927B2 (en) 2011-01-14 2013-11-12 Lemaitre Vascular, Inc. Systems and methods for remote endarterectomy
US20140107681A1 (en) * 2006-02-22 2014-04-17 Baylis Medical Company Inc. Guide-Wire Dilation Device for Facilitation of Lesion Crossing

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US1749919A (en) * 1928-08-27 1930-03-11 Ida B Mierley Operating curette
US2521161A (en) * 1948-08-07 1950-09-05 Harle B Grover Surgical cutting instrument
US2690750A (en) * 1953-07-13 1954-10-05 Marvin D Steinberg Surgical instrument for treating ingrowing nails
US2788787A (en) * 1955-09-16 1957-04-16 Hebert D Trace Surgical instrument for extirpation of varicose veins

Cited By (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611849A (en) * 1969-07-10 1971-10-12 Joseph Domonkos Eating utensil for stringlike foods
US3730185A (en) * 1971-10-29 1973-05-01 Cook Inc Endarterectomy apparatus
US3929138A (en) * 1973-07-18 1975-12-30 Eli Curi Sub-intimal dissector and methods for performing endarterectomies therewith
US3886943A (en) * 1973-08-10 1975-06-03 Aphrodite P Skiff Surgical instrument
US4621636A (en) * 1979-07-23 1986-11-11 Fogarty Thomas J Endarterectomy method and apparatus
US4315511A (en) * 1979-09-02 1982-02-16 Thomas J. Fogarty Endarterectomy apparatus
US4574781A (en) * 1979-09-02 1986-03-11 Thomas J. Fogarty Endarterectomy process
US4290427A (en) * 1979-11-26 1981-09-22 Thomas J. Fogarty Endarterectomy apparatus
US4559927A (en) * 1979-11-26 1985-12-24 Thomas J. Fogarty Endarterectomy apparatus and process
US4287890A (en) * 1980-01-24 1981-09-08 Fogarty Thomas J Endarterectomy method
DE3006170C2 (en) * 1980-02-19 1982-04-08 Aesculap-Werke Ag Vormals Jetter & Scheerer, 7200 Tuttlingen, De
WO1982003168A1 (en) * 1981-03-12 1982-09-30 Finn Skjaerpe Microsurgical instrument
US4594996A (en) * 1982-09-30 1986-06-17 Ibrahim Adel A Method for removing objects from tubular body passages
US4597389A (en) * 1982-09-30 1986-07-01 Ibrahim Adel A Device for removing objects from tubular body passages
US4518152A (en) * 1983-02-04 1985-05-21 Pierce Harry C Device for loosening a cable within a conduit
EP0176957A2 (en) * 1984-10-02 1986-04-09 Ezra Dr. Levy Surgical apparatus
EP0176957A3 (en) * 1984-10-02 1986-12-30 Ezra Dr. Levy Surgical apparatus
US5074869A (en) * 1988-09-26 1991-12-24 Daicoff George R Vascular occlusion device
US5156607A (en) * 1991-09-25 1992-10-20 Peter G. Kansas Manual small incision cataract extraction method and instrument
US5373840A (en) * 1992-10-02 1994-12-20 Knighton; David R. Endoscope and method for vein removal
USRE36043E (en) * 1992-10-02 1999-01-12 Embro Vascular, L.L.C. Endoscope and method for vein removal
US20020004680A1 (en) * 1993-06-07 2002-01-10 Mark Plaia Anti-stenotic method and product for occluded and partially occluded arteries
US6328749B1 (en) 1993-10-25 2001-12-11 Vascular Architects, Inc. Remote endarterectomy ring stripper
WO1995011633A1 (en) * 1993-10-25 1995-05-04 Cardiovascular Concepts, Inc. An instrument for loosening and cutting through the intima of a blood vessel, and a method therefor
US5843102A (en) * 1993-10-25 1998-12-01 Medtronic, Inc. Instrument for loosening and cutting through the intima of a blood vessel, and a method therefor
NL9301842A (en) * 1993-10-25 1995-05-16 Mekka Medical Supplies B V Instrument for loosening and cutting through an intima of a blood vessel and a method thereof.
US7314475B2 (en) 1994-06-29 2008-01-01 General Surgical Innovations, Inc. Extraluminal balloon dissection
US5968066A (en) * 1994-06-29 1999-10-19 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US8016850B2 (en) 1994-06-29 2011-09-13 General Surgical Innovations, Inc. Extraluminal balloon dissection
US6764497B2 (en) 1994-06-29 2004-07-20 General Surgical Innovations, Inc. Extraluminal balloon dissection
US20040172052A1 (en) * 1994-06-29 2004-09-02 Fogarty Thomas J. Extraluminal balloon dissection
US8323304B2 (en) 1994-06-29 2012-12-04 Covidien Lp Extraluminal balloon dissection
US6989018B2 (en) 1994-06-29 2006-01-24 General Surgical Innovations, Inc. Extraluminal balloon dissection
US20060106414A1 (en) * 1994-06-29 2006-05-18 General Surgical Innovations, Inc. Extraluminal balloon dissection
US20080097507A1 (en) * 1994-06-29 2008-04-24 Fogarty Thomas J Extraluminal balloon dissection
US8062323B2 (en) 1994-06-29 2011-11-22 Tyco Healthcare Group Lp Extraluminal balloon dissection
US6527787B1 (en) 1995-05-19 2003-03-04 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US6451035B1 (en) 1995-05-19 2002-09-17 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US6077289A (en) * 1995-05-19 2000-06-20 General Surgical Innovations Methods and devices for harvesting blood vessels with balloons
US5853417A (en) * 1995-05-19 1998-12-29 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US5899913A (en) * 1995-05-19 1999-05-04 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US6068639A (en) * 1995-05-19 2000-05-30 General Surgical Innovations, Inc. Methods and devices for blood vessel harvesting
US5707389A (en) * 1995-06-07 1998-01-13 Baxter International Inc. Side branch occlusion catheter device having integrated endoscope for performing endoscopically visualized occlusion of the side branches of an anatomical passageway
US5947994A (en) * 1995-06-07 1999-09-07 Baxter International Inc. Endoscopically-assisted device for endoluminal occlusion of anatomical passageway side branches
US7384423B1 (en) 1995-07-13 2008-06-10 Origin Medsystems, Inc. Tissue dissection method
US6506200B1 (en) 1995-07-13 2003-01-14 Origin Medsystems, Inc. Tissue separation cannula and method
US7981133B2 (en) 1995-07-13 2011-07-19 Maquet Cardiovascular, Llc Tissue dissection method
US7001404B1 (en) 1995-07-13 2006-02-21 Origin Medsystems, Inc. Tissue separation cannula and method
US5722934A (en) * 1995-10-20 1998-03-03 Ethicon Endo-Surgery, Inc. Method and devices for endoscopoic vessel harvesting
US5667480A (en) * 1995-10-20 1997-09-16 Ethicon Endo-Surgery, Inc. Method and devices for endoscopic vessel harvesting
US6106531A (en) * 1995-12-07 2000-08-22 Schatz; Richard A. Retrieval shuttle
US6071232A (en) * 1995-12-11 2000-06-06 Embro Vascular L.L.C. Apparatus for vein removal
US5772576A (en) * 1995-12-11 1998-06-30 Embro Vascular L.L.C. Apparatus and method for vein removal
US6428468B1 (en) 1995-12-11 2002-08-06 Cardiothoracic Systems, Inc. Apparatus and method for vein removal
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