US3173414A - Biopsy probe, and combination thereof with an endoscope - Google Patents

Biopsy probe, and combination thereof with an endoscope Download PDF

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Publication number
US3173414A
US3173414A US177765A US17776562A US3173414A US 3173414 A US3173414 A US 3173414A US 177765 A US177765 A US 177765A US 17776562 A US17776562 A US 17776562A US 3173414 A US3173414 A US 3173414A
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axis
external member
opening
internal
tissue
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US177765A
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English (en)
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Guillant Andre
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Optique et Precision de Levallois SA
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Optique et Precision de Levallois SA
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/04—Endoscopic instruments, e.g. catheter-type instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00094—Suction openings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131—Accessories for endoscopes
    • A61B1/0014—Fastening element for attaching accessories to the outside of an endoscope, e.g. clips, clamps or bands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/273—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
    • A61B1/2736—Gastroscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/30—Surgical pincettes, i.e. surgical tweezers without pivotal connections
    • A61B2017/306—Surgical pincettes, i.e. surgical tweezers without pivotal connections holding by means of suction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure

Definitions

  • FIGURE 1 of the accompanying drawing It is already known in gastro-enterology to use a device operating by suction and cutting for biopsies on the stomach lining or the intestines.
  • This device which is shown in FIGURE 1 of the accompanying drawing, comprises a tubular part 1 provided with a frusto-conical orifice 2 having sharp cutting edges. Through the tubular part 1 slides a circular knife 3 connected by a flexible cable 4 to an operating knob 5.
  • the instrument is introduced into the organ from which an excision is to be made and the suction pump used to create a partial vacuum within the tube 1. This causes the mucous membrane 12 of the patients organ to be applied against the outer wall of the tube 1 and to form a bulge 13 therein, through the lateral orifice 2. If the grip 8 be then held firmly and the knob pulled, the knife 3 will cut through the section of the mucous membrane protruding into the tube 1.
  • the instrument is then extracted from the patients body and disassembled by unscrewing the part 1 from the union 6, after which the sample of mucous membrane is abstracted for histological examination.
  • the device as hereinbefore described has the following two drawbacks:
  • the chief aim of this invention is to overcome these drawbacks, first by providing an improved biopsy probe that is adapted to operate over its extremity, by the same principle of suction and cutting, and, second, by the combination of such an improved probe with an endoscope permitting visually controlled biopsies.
  • a probe head comprises a member having one end which is shaped into a hemispherical outer surface and a cylindrical longitudinal bore which terminates in a concave hemispherical surface concentric with said outer surface.
  • the extremity of said member is provided with a sharp-edged aperture which does not intersect the axis of said bore.
  • a hollowed-out component provided with cutting edges which co-operate with the edges of said aperture so that, when a partial vacuum is created in the hollow space provided thus, the portion of mucous membrane which is caused to bulge into said member through the aperture may be cut by rotation of the internal component relative to the external member.
  • a biopsy probe executed in accordance with the invention will thus comprise a head as hereinbefore described which communicates, through a hollow union, with a hexibie tube through the instrumentality of which a suction effect may be obtained, the internal component being 3,173,414 Patented Mar. 16, 1965 ICC connected to an operating knob whereby it may be rotated in order that the portion of mucous membrane drawn through the aperture in the probe head in response to the suction force may be excised.
  • a biopsy probe as hereinbefore disclosed adapted to operate over its extremity, is combined with an endoscope, the connection between the two instruments being so devised as to cause them to be pressed tightly against each other when the composite instrument is introduced into the patient and the probe head to be displaceable within the beam of light shed by the endoscope once it is in position inside the patients organ.
  • the coupling between the probe head and the endoscope is ensured by means of a link which is connected to both the endoscope and the probe.
  • FIG. 1 is a longitudinal sectional view of a conventional biopsy probe, reference to this figure having already been made in the preamble to the present description;
  • FIG. 2 is an axial sectional view of the front portion of a biopsy probe according to this invention.
  • FIG. 4 is a view corresponding to FIG. 3, showing the compound instrument in the operative position
  • FIG. 5 is a sectional view taken through the line VV in FIG. 4.
  • FIG. 6 is a plan view of a detail of the part used to connect the probe and the endoscope.
  • a cylindrical component 3 having a primitively hemispherical extremity fits exactly into the bore of the member 1', and constitutes the probe knife.
  • the component 3 is sectioned at 15, first through a substantially axial plane, and second through a plane perpendicular thereto, thereby forming a semi-cylindrical portion 15a dependent from a cylindrical stem 15b.
  • the extremity of the portion 15a forms cutting edges that are further sharpened by a concave hollowed-out portion 16.
  • a groove 17 is provided on the knife stem 1512.
  • such a biopsy probeoperating over its extremity may be combined advantageously with an endoscope, with a view to constituting a compound instrument such as illustrated in FIGS. 3 and 4.
  • the endoscope proper is provided with an optical tube '18.
  • the wall or lining of the patients organ is illuminated by a lamp 19 and examined through a lateral aperture 29 by means of an angled optical sight.
  • To the other end of the instrument is fitted the inspection eyepiece 21.
  • the instrument hereinbefore described which may be of the flexible type, is encased with advantage in a plastic sheath 22 the cross-section of par-t at least of the length of which is bi-circular (see FIG. 5) in order to provide dual passageways 23 and 24.
  • the passageway 23 contains the optical tube 18 while the passageway 24 encloses the freely slidable sheath 7 of a biopsy probe as hereinbefore disclosed.
  • a link 25, which is forked at both ends and illustrated in planform in FIG. 6, has one of its ends journaled at 26 onto the head of the optical tube 22.
  • the other end of link is pivotally connected to a collar 27 through the medium of two journals 28.
  • the collar 27 is clamped between the parts 1 and 6 of the biopsy probe and the various component parts are so disposed that the orifice 2' is oriented away from the optical tube, i.e. substantially in the same direction as the inspection window 26.
  • the compound instrument When it is introduced into the organ from which an excision is to be made, the compound instrument is folded as shown in FIG. 3. In particular, the operative part or head of the probe 1' is recessed with respect to the middle smooth portion of the link 25.
  • the link 25 and the flexible sheath 7 coact after the fashion of a toggle, by reason of the fact that the journals 26 are closer to the axis of the optical tube than the journals 28. This in turn will cause the hinge 28 to move away from the axis (see FIG.
  • a biopsy probe head comprising, in combination, an external member formed with a longitudinal cylindrical bore extending in axial direction from one end into said member and being closed at the other end by an internal surface of revolution intersected by a face inclined to the axis of said external member to form at said other end thereof an inclined opening communicating with said bore and at the intersection of said face with said surface an endless cutting edge spaced from said axis; an internal member mounted in said bore for rotation about said axis and having a cutting edge arranged to pass substantially without clearance said endless cutting edge during rotation of said internal member about said axis relative to said external member, said internal member being formed with passage means to provide communication between said opening and said one end of said external member so that upon application of suction to said one end of said external member, while said opening is placed against a tissue, part of said tissue will be sucked through said opening into said external member; and means operatively connected to said internal member to rotate the same about said axis for cutting off during such rotation the part of said tissue sucked into said opening.
  • a composite instrument comprising, in combination, a biopsy probe including an elongated external member having at one end a hemispherical outer surface and being formed with an axial bore extending from the other end into said member and terminating at said one end in a concave hemispherical inner surface concentric with said outer surface, said one end being formed with a sharpedged aperture inclined to and spaced from the axis of said member and forming at said inner surface an endless cutting edge, an internal member mounted in said bore for rotation about the axis thereof and having a front portion of substantially semi-cylindrical configuration having an end closely fitting said concave inner surface so as to form a cutting edge passing, during rotation of said internal member about said axis relative to said external member, subtantially without clearance said endless cutting edge, said internal member having a rear portion of cylindrical configuration fitting said cylindrical bore and being formed with passage means to provide communication between said opening and said other end of said external member, a hollow union fixed in said other end of said external member, a flexible tube connected at one
  • a composite instrument as claimed in claim 4 comprising a sheath formed with two longitudinal passageways along part at least of its length, said optical tube of said endoscope extending through one of said passageways and said flexible tube of said biopsy probe being slidably inserted through the second passageway.
  • a biopsy probe head comprising, in combination, an elongated external member having at one end a hemispherical outer surface and being formed with an axial bore extending from the other end into said member and terminating at said one end in a concave hemispherical inner surface concentric with said outer surface, said one end being formed with a sharp-edged aperture inclined to and spaced from the axis of said member and forming at said inner surface an endless cutting edge spaced from said axis; an internal member mounted in said bore for rotation about the axis thereof and having a front portion of substantially semi-cylindrical configuration having an end closely fitting said concave inner surface so as to form a cutting edge passing substantially without clearance said endless cut-ting edge during rotation of said internal member about said axis relative to said external member, said internal member having a rear portion of cylindrical configuration fitting said cylindrical bore and being formed with passage means to provide communication between said opening and said other end of said external member so that upon application of suction to said other end of said external member, while said opening is
  • a biopsy probe head as set forth in claim 7 in which said front portion of said internal member is formed with a cavity inwardly of the cutting edge thereof.
  • a biopsy probe comprising, in combination, an elongated external member having at one end a hemispherical outer surface and being formed with an axial bore extending from the other end into said member and terminating at said one end in a concave hemispherical inner surface concentric with said outer surface, said one end being formed with a sharp-edged aperture inclined to and spaced from the axis of said member and forming at said inner surface an endless cutting edge; an internal member mounted in said bore for rotation about the axis thereof and having a front portion of substantially semi-cylindrical configuration having an end closely fitting said concave inner surface so as to form a cutting edge passing, during rotation of said internal member about said axis relative to said external member, substantially without clearance said endless cutting edge, said internal member having a rear portion of cylindrical configuration fitting said cylindrical bore and being formed with passage means to provide communication between said opening and said other end of said external member; a hollow union fixed in said other end of said external member; a flexible tube connected at one end thereof to said hollow union;

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Endoscopes (AREA)
US177765A 1961-10-23 1962-03-06 Biopsy probe, and combination thereof with an endoscope Expired - Lifetime US3173414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR876738A FR1311292A (fr) 1961-10-23 1961-10-23 Sonde de biopsie perfectionnée et combinaison d'une telle sonde avec un endoscope

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Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401684A (en) * 1965-12-16 1968-09-17 Weck & Co Edward Biopsy capsules
US3561429A (en) * 1968-05-23 1971-02-09 Eversharp Inc Instrument for obtaining a biopsy specimen
DE1541153B1 (de) * 1966-05-27 1971-06-09 Olympus Optical Co Schlauchanordnung zur Untersuchung der Innenwaende gekruemmter Organe
US3618611A (en) * 1969-03-05 1971-11-09 Julius C Urban Vacuum rotary dissector
US3732858A (en) * 1968-09-16 1973-05-15 Surgical Design Corp Apparatus for removing blood clots, cataracts and other objects from the eye
US3815604A (en) * 1972-06-19 1974-06-11 Malley C O Apparatus for intraocular surgery
US3844272A (en) * 1969-02-14 1974-10-29 A Banko Surgical instruments
US3902498A (en) * 1974-03-04 1975-09-02 Minnesota Mining & Mfg Surgical cutting instrument
US3996935A (en) * 1969-02-14 1976-12-14 Surgical Design Corporation Surgical-type method for removing material
US4194513A (en) * 1977-05-05 1980-03-25 Indiana University Foundation Antenatal cell extracting device and method
US4245653A (en) * 1979-01-02 1981-01-20 Kenneth Weaver Method and apparatus for obtaining specimens of endometrial tissue
US4257419A (en) * 1978-12-14 1981-03-24 Mo Och Domsjo Aktiebolag Suction-assisted hemorrhoid ligator
EP0084251A1 (fr) * 1981-12-28 1983-07-27 Olympus Optical Co., Ltd. Dispositifs d'échantillonnage pour l'emploi dans un endoscope
US4400168A (en) * 1980-05-08 1983-08-23 Biomedical Engineering Corp. Adjustable surgical suction apparatus
JPS6156639A (ja) * 1984-05-30 1986-03-22 デイヴアイシス　フオア　ヴアスキユラ−　インタ−ヴエンシヨン　インコ−ポレ−テツド アテローム除去装置
US4598710A (en) * 1984-01-20 1986-07-08 Urban Engineering Company, Inc. Surgical instrument and method of making same
US4656999A (en) * 1984-01-30 1987-04-14 Karl Storz Contact endoscope
US4669469A (en) * 1986-02-28 1987-06-02 Devices For Vascular Intervention Single lumen atherectomy catheter device
US4742829A (en) * 1986-08-11 1988-05-10 General Electric Company Intracavitary ultrasound and biopsy probe for transvaginal imaging
US4759348A (en) * 1981-09-28 1988-07-26 Cawood Charles David Endoscope assembly and surgical instrument for use therewith
US4781186A (en) * 1984-05-30 1988-11-01 Devices For Vascular Intervention, Inc. Atherectomy device having a flexible housing
US4781202A (en) * 1987-08-31 1988-11-01 Janese Woodrow W Biopsy cannula
EP0291170A1 (fr) * 1987-04-17 1988-11-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Cathéter chirurgical actif en arrière
DE3738692A1 (de) * 1987-11-13 1989-06-01 Hannes Dr Haberl Chirurgische fasszange
US4940468A (en) * 1988-01-13 1990-07-10 Petillo Phillip J Apparatus for microsurgery
US4979951A (en) * 1984-05-30 1990-12-25 Simpson John B Atherectomy device and method
USRE33569E (en) * 1986-02-28 1991-04-09 Devices For Vascular Intervention, Inc. Single lumen atherectomy catheter device
US5084010A (en) * 1990-02-20 1992-01-28 Devices For Vascular Intervention, Inc. System and method for catheter construction
US5171255A (en) * 1990-11-21 1992-12-15 Everest Medical Corporation Biopsy device
WO1993014700A1 (fr) * 1992-02-04 1993-08-05 Mectra Labs, Inc. Ensemble chirurgical
US5335671A (en) * 1989-11-06 1994-08-09 Mectra Labs, Inc. Tissue removal assembly with provision for an electro-cautery device
US5368603A (en) * 1990-06-05 1994-11-29 Halliburton; Alexander G. Endarterectomy catheter, and method of use thereof
US5373854A (en) * 1993-07-15 1994-12-20 Kolozsi; William Z. Biopsy apparatus for use in endoscopy
WO1995019145A1 (fr) * 1994-01-12 1995-07-20 Symbiosis Corporation Instrument chirurgical arthroscopique a fonction d'aspiration
US5505210A (en) * 1989-11-06 1996-04-09 Mectra Labs, Inc. Lavage with tissue cutting cannula
US5527332A (en) * 1994-11-02 1996-06-18 Mectra Labs, Inc. Tissue cutter for surgery
EP0668744A4 (fr) * 1992-11-10 1996-07-24 Langdon Medical Inc Dispositif et procede de collecte cytologique.
US5662603A (en) * 1996-05-29 1997-09-02 Gelbfish; Gary A. Medical material removal method and associated instrumentation
US5674232A (en) * 1990-06-05 1997-10-07 Halliburton; Alexander George Catheter and method of use thereof
US5683359A (en) * 1992-11-18 1997-11-04 Symbiosis Corporation Arthroscopic surgical instruments having suction capability
US5797907A (en) * 1989-11-06 1998-08-25 Mectra Labs, Inc. Electrocautery cutter
WO1999015079A1 (fr) * 1997-09-19 1999-04-01 United States Surgical Corporation Procede et dispositif de biopsie
US5897507A (en) * 1996-11-25 1999-04-27 Symbiosis Corporation Biopsy forceps instrument having irrigation and aspiration capabilities
US6077231A (en) * 1996-06-14 2000-06-20 United States Surgical Corporation Apparatus and method for localizing and removing tissue
US6142956A (en) * 1996-11-25 2000-11-07 Symbiosis Corporation Proximal actuation handle for a biopsy forceps instrument having irrigation and aspiration capabilities
US6193672B1 (en) 1993-05-11 2001-02-27 Mectra Labs, Inc. Lavage
US6193673B1 (en) 1998-02-20 2001-02-27 United States Surgical Corporation Biopsy instrument driver apparatus
US20020029006A1 (en) * 1996-11-25 2002-03-07 Scimed Life Systems, Inc. Biopsy instrument having irrigation and aspiration capabilities
US20020107457A1 (en) * 1996-11-25 2002-08-08 Francese Jose L. Suction adapter for medical instrument
US6436054B1 (en) 1998-11-25 2002-08-20 United States Surgical Corporation Biopsy system
US20040162574A1 (en) * 2001-08-03 2004-08-19 Viola Frank J. Tissue marking apparatus and method
US20050234297A1 (en) * 2004-04-15 2005-10-20 Wilson-Cook Medical, Inc. Endoscopic surgical access devices and methods of articulating an external accessory channel
US20090030340A1 (en) * 2007-07-26 2009-01-29 Mc Clellan W Thomas Biopsy Needle with Different Cross-Sectional Shapes and Associated Trap Doors
US20110313242A1 (en) * 2009-12-18 2011-12-22 Wilson-Cook Medical Inc. Endoscope sheath
WO2012060932A3 (fr) * 2010-10-25 2013-09-19 Endosee Corporation Méthode et appareil utilisables en vue d'une hystéroscopie et d'une biopsie de l'endomètre
US20220257222A1 (en) * 2021-02-17 2022-08-18 American Endoscopic Innovations, LLC System for Endoscopic Biopsy And Debulking

Families Citing this family (5)

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US3394699A (en) * 1965-07-22 1968-07-30 Panto Entpr Inc Instrument for obtaining a biopsy specimen
JPS5832751A (ja) * 1981-08-19 1983-02-25 オリンパス光学工業株式会社 内視鏡における試料採取装置
DE3347671A1 (de) * 1983-12-31 1985-07-11 Richard Wolf Gmbh, 7134 Knittlingen Instrument zur entnahme von gewebeproben
US4763662A (en) * 1985-06-07 1988-08-16 Olympus Optical Co., Ltd. Ultrasonic biopsy endoscope with extensible guide sheath
FR2653361A1 (fr) * 1989-10-25 1991-04-26 Snecma Outillage de retouche d'aubes de rotor d'une turbomachine et procede de retouche utilisant cet outillage.

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DE437932C (de) * 1925-05-21 1926-11-30 Reiniger Geraet zum Entnehmen von Gewebestuecken aus der Innenwandung von Koerperhoehlen
US2721555A (en) * 1952-12-03 1955-10-25 John A Jenney Dermatome
DE1053722B (de) * 1955-12-28 1959-03-26 Dr Med Hans Hirtl Cystoskop-Instrumentarium
US3007471A (en) * 1959-04-27 1961-11-07 Jr John N Mcclure Biopsy instrument

Patent Citations (4)

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DE437932C (de) * 1925-05-21 1926-11-30 Reiniger Geraet zum Entnehmen von Gewebestuecken aus der Innenwandung von Koerperhoehlen
US2721555A (en) * 1952-12-03 1955-10-25 John A Jenney Dermatome
DE1053722B (de) * 1955-12-28 1959-03-26 Dr Med Hans Hirtl Cystoskop-Instrumentarium
US3007471A (en) * 1959-04-27 1961-11-07 Jr John N Mcclure Biopsy instrument

Cited By (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401684A (en) * 1965-12-16 1968-09-17 Weck & Co Edward Biopsy capsules
DE1541153B1 (de) * 1966-05-27 1971-06-09 Olympus Optical Co Schlauchanordnung zur Untersuchung der Innenwaende gekruemmter Organe
US3561429A (en) * 1968-05-23 1971-02-09 Eversharp Inc Instrument for obtaining a biopsy specimen
US3732858A (en) * 1968-09-16 1973-05-15 Surgical Design Corp Apparatus for removing blood clots, cataracts and other objects from the eye
US3844272A (en) * 1969-02-14 1974-10-29 A Banko Surgical instruments
US3996935A (en) * 1969-02-14 1976-12-14 Surgical Design Corporation Surgical-type method for removing material
US3618611A (en) * 1969-03-05 1971-11-09 Julius C Urban Vacuum rotary dissector
US3815604A (en) * 1972-06-19 1974-06-11 Malley C O Apparatus for intraocular surgery
US3902498A (en) * 1974-03-04 1975-09-02 Minnesota Mining & Mfg Surgical cutting instrument
US4194513A (en) * 1977-05-05 1980-03-25 Indiana University Foundation Antenatal cell extracting device and method
US4257419A (en) * 1978-12-14 1981-03-24 Mo Och Domsjo Aktiebolag Suction-assisted hemorrhoid ligator
US4245653A (en) * 1979-01-02 1981-01-20 Kenneth Weaver Method and apparatus for obtaining specimens of endometrial tissue
US4400168A (en) * 1980-05-08 1983-08-23 Biomedical Engineering Corp. Adjustable surgical suction apparatus
US4759348A (en) * 1981-09-28 1988-07-26 Cawood Charles David Endoscope assembly and surgical instrument for use therewith
EP0084251A1 (fr) * 1981-12-28 1983-07-27 Olympus Optical Co., Ltd. Dispositifs d'échantillonnage pour l'emploi dans un endoscope
US4598710A (en) * 1984-01-20 1986-07-08 Urban Engineering Company, Inc. Surgical instrument and method of making same
US4656999A (en) * 1984-01-30 1987-04-14 Karl Storz Contact endoscope
JPS6156639A (ja) * 1984-05-30 1986-03-22 デイヴアイシス　フオア　ヴアスキユラ−　インタ−ヴエンシヨン　インコ−ポレ−テツド アテローム除去装置
JPH0613036B2 (ja) 1984-05-30 1994-02-23 デイヴアイシス フオア ヴアスキユラ− インタ−ヴエンシヨン インコ−ポレ−テツド アテローム除去装置
US4979951A (en) * 1984-05-30 1990-12-25 Simpson John B Atherectomy device and method
US4781186A (en) * 1984-05-30 1988-11-01 Devices For Vascular Intervention, Inc. Atherectomy device having a flexible housing
USRE33569E (en) * 1986-02-28 1991-04-09 Devices For Vascular Intervention, Inc. Single lumen atherectomy catheter device
US4669469A (en) * 1986-02-28 1987-06-02 Devices For Vascular Intervention Single lumen atherectomy catheter device
US4742829A (en) * 1986-08-11 1988-05-10 General Electric Company Intracavitary ultrasound and biopsy probe for transvaginal imaging
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