CA2458675C - Trocar requiring minimal insertion force - Google Patents

Trocar requiring minimal insertion force Download PDF

Info

Publication number
CA2458675C
CA2458675C CA2458675A CA2458675A CA2458675C CA 2458675 C CA2458675 C CA 2458675C CA 2458675 A CA2458675 A CA 2458675A CA 2458675 A CA2458675 A CA 2458675A CA 2458675 C CA2458675 C CA 2458675C
Authority
CA
Canada
Prior art keywords
obturator
cannula
trocar
recited
camming surface
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.)
Expired - Fee Related
Application number
CA2458675A
Other languages
English (en)
French (fr)
Other versions
CA2458675A1 (en
Inventor
Daniel M. Wing
Stephen J. Scheuermann
Deborah A. Laun
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.)
Conmed Corp
Original Assignee
Conmed Corp
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 Conmed Corp filed Critical Conmed Corp
Publication of CA2458675A1 publication Critical patent/CA2458675A1/en
Application granted granted Critical
Publication of CA2458675C publication Critical patent/CA2458675C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A61B17/3496—Protecting sleeves or inner probes; Retractable tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3474—Insufflating needles, e.g. Veress needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/0042—Surgical instruments, devices or methods with special provisions for gripping
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/0042—Surgical instruments, devices or methods with special provisions for gripping
    • A61B2017/00424—Surgical instruments, devices or methods with special provisions for gripping ergonomic, e.g. fitting in fist
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips
    • A61B2017/3456—Details of tips blunt

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
CA2458675A 2001-08-31 2002-08-15 Trocar requiring minimal insertion force Expired - Fee Related CA2458675C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/944,190 2001-08-31
US09/944,190 US6989003B2 (en) 2001-08-31 2001-08-31 Obturator and cannula for a trocar adapted for ease of insertion and removal
PCT/US2002/025818 WO2003020140A1 (en) 2001-08-31 2002-08-15 Trocar requiring minimal insertion force

Publications (2)

Publication Number Publication Date
CA2458675A1 CA2458675A1 (en) 2003-03-13
CA2458675C true CA2458675C (en) 2010-02-23

Family

ID=25480969

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2458675A Expired - Fee Related CA2458675C (en) 2001-08-31 2002-08-15 Trocar requiring minimal insertion force

Country Status (8)

Country Link
US (1) US6989003B2 (OSRAM)
EP (1) EP1420705B1 (OSRAM)
JP (1) JP4276536B2 (OSRAM)
BR (1) BR0212165A (OSRAM)
CA (1) CA2458675C (OSRAM)
DE (1) DE60239541D1 (OSRAM)
MX (1) MXPA04001791A (OSRAM)
WO (1) WO2003020140A1 (OSRAM)

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MXPA04001791A (es) 2005-03-07
WO2003020140A1 (en) 2003-03-13
EP1420705A1 (en) 2004-05-26
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BR0212165A (pt) 2004-07-13
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US6989003B2 (en) 2006-01-24
JP4276536B2 (ja) 2009-06-10

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