CA2431458A1 - High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same - Google Patents

High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same Download PDF

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Publication number
CA2431458A1
CA2431458A1 CA002431458A CA2431458A CA2431458A1 CA 2431458 A1 CA2431458 A1 CA 2431458A1 CA 002431458 A CA002431458 A CA 002431458A CA 2431458 A CA2431458 A CA 2431458A CA 2431458 A1 CA2431458 A1 CA 2431458A1
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CA
Canada
Prior art keywords
forceps
forceps tip
central axis
axis line
supporting
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002431458A
Other languages
French (fr)
Other versions
CA2431458C (en
Inventor
Yoshihiko Nakamura
Masafumi Okada
Shingo Chiyoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Tokyo NUC
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University of Tokyo NUC
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
Application filed by University of Tokyo NUC filed Critical University of Tokyo NUC
Publication of CA2431458A1 publication Critical patent/CA2431458A1/en
Application granted granted Critical
Publication of CA2431458C publication Critical patent/CA2431458C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70—Manipulators specially adapted for use in surgery
    • 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
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30—Surgical robots
    • A61B2034/304—Surgical robots including a freely orientable platform, e.g. so called 'Stewart platforms'
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20305—Robotic arm
    • Y10T74/20329—Joint between elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20305—Robotic arm
    • Y10T74/20329—Joint between elements
    • Y10T74/20335—Wrist

Abstract

Provided is a forceps tip assembly capable of supporting a forceps tip with high rigidity in order to realize a laparoscopic surgery requiring a significant power with the forceps tip, such as an organ removal surgery which has been heretofore difficult to be performed by a robot for medical use. The forceps tip assembly includes: a forceps tip supporting member which has a supporting part for supporting a forceps tip and three leg parts which are disposed at even intervals in a circumferential direction around a central axis line C1 and fixed to the supporting part so as to protrude backward from the supporting part; and three back-and- forth moving members which are disposed at even intervals in a circumferential direction around a predetermined central axis line C2 extending in a front-to-rear direction, which have their front end portions coupled with the three leg parts swingably and slidably in a direction orthogonal to the predetermined central axis line C2 and which are mutually coupled together as relatively movable in the extending direction of central axis line C2.
CA002431458A 2002-12-09 2003-06-06 High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same Expired - Fee Related CA2431458C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-356,971 2002-12-09
JP2002356971A JP3686947B2 (en) 2002-12-09 2002-12-09 High-rigid forceps tip structure for active forceps and active forceps including the same

Publications (2)

Publication Number Publication Date
CA2431458A1 true CA2431458A1 (en) 2004-06-09
CA2431458C CA2431458C (en) 2007-08-28

Family

ID=32463421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002431458A Expired - Fee Related CA2431458C (en) 2002-12-09 2003-06-06 High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same

Country Status (3)

Country Link
US (1) US7273488B2 (en)
JP (1) JP3686947B2 (en)
CA (1) CA2431458C (en)

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