WO1994015533A3 - Forceps pour endoscopes - Google Patents

Forceps pour endoscopes Download PDF

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Publication number
WO1994015533A3
WO1994015533A3 PCT/IE1994/000003 IE9400003W WO9415533A3 WO 1994015533 A3 WO1994015533 A3 WO 1994015533A3 IE 9400003 W IE9400003 W IE 9400003W WO 9415533 A3 WO9415533 A3 WO 9415533A3
Authority
WO
WIPO (PCT)
Prior art keywords
jaws
forceps
duct
endoscope
flow
Prior art date
Application number
PCT/IE1994/000003
Other languages
English (en)
Other versions
WO1994015533A2 (fr
Inventor
John Crowe
Original Assignee
John Crowe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IES930033 external-priority patent/IES60625B2/en
Priority claimed from IES930032 external-priority patent/IES60980B2/en
Application filed by John Crowe filed Critical John Crowe
Priority to AU58220/94A priority Critical patent/AU5822094A/en
Publication of WO1994015533A2 publication Critical patent/WO1994015533A2/fr
Publication of WO1994015533A3 publication Critical patent/WO1994015533A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B2010/0225—Instruments for taking cell samples or for biopsy for taking multiple samples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2933—Transmission of forces to jaw members camming or guiding means
    • A61B2017/2937—Transmission of forces to jaw members camming or guiding means with flexible part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Surgical Instruments (AREA)

Abstract

Système à forceps utilisable dans un endoscope, dans lequel la séparation de tissus s'effectue à l'aide d'une structure à mâchoires (82) située à l'extrémité intérieure d'une structure tubulaire chemisée apte à s'introduire dans un passage de l'endoscope. Les échantillons détachés par les mâchoires (82) sont entraînés par un liquide en écoulement parcourant un conduit interne (71) du forceps afin d'amener les échantillons jusqu'à un point de récupération situé à l'extérieur du malade pendant l'utilisation du système. On peut mettre le liquide en écoulement dans le conduit en appliquant un vide à l'extrémité externe du système, ou à l'aide d'eau en écoulement positif dans des passages (74) délimités entre des parties aplaties (73) du conduit (71) et la paroi interne d'une gaine (72) formant la chemise du conduit (71). Ainsi, on peut prélever une succession d'échantillons à l'aide du système à forceps lors d'interventions endoscopiques, et cela sans avoir à retirer le forceps afin de récupérer individuellement chacun des échantillons. Un dispositif à forceps du type précité utilisable en association avec un endoscope peut également comporter deux mâchoires adaptées pour se rapprocher et s'éloigner l'une de l'autre afin de saisir et de détacher un morceau de tissu pendant un mouvement de fermeture des mâchoires. Les mâchoires sont sollicitées vers une position d'ouverture et elles passent à leur position de fermeture lorsqu'une tige, à partir de laquelle s'étendent les mâchoires, et un manchon externe se déplacent l'un par rapport à l'autre de façon à assurer un effet de serrage à la manière d'une bague de serrage. La tige et les mâchoires sont formées en une seule pièce, de préférence en matière plastique, afin de faciliter l'obtention d'une structure de forceps jetable utilisable en endoscopie.
PCT/IE1994/000003 1993-01-18 1994-01-17 Forceps pour endoscopes WO1994015533A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58220/94A AU5822094A (en) 1993-01-18 1994-01-17 Endoscope forceps

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IES930033 IES60625B2 (en) 1993-01-18 1993-01-18 Improved forceps
IE930033 1993-01-18
IE930032 1993-01-18
IES930032 IES60980B2 (en) 1993-01-18 1993-01-18 Multi-sample forceps

Publications (2)

Publication Number Publication Date
WO1994015533A2 WO1994015533A2 (fr) 1994-07-21
WO1994015533A3 true WO1994015533A3 (fr) 1994-09-01

Family

ID=26319546

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IE1994/000003 WO1994015533A2 (fr) 1993-01-18 1994-01-17 Forceps pour endoscopes

Country Status (3)

Country Link
US (1) US5538008A (fr)
AU (1) AU5822094A (fr)
WO (1) WO1994015533A2 (fr)

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WO1994015533A2 (fr) 1994-07-21
AU5822094A (en) 1994-08-15
US5538008A (en) 1996-07-23

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