CA2118037A1 - Automatic retractable trocar with safety shield - Google Patents

Automatic retractable trocar with safety shield

Info

Publication number
CA2118037A1
CA2118037A1 CA 2118037 CA2118037A CA2118037A1 CA 2118037 A1 CA2118037 A1 CA 2118037A1 CA 2118037 CA2118037 CA 2118037 CA 2118037 A CA2118037 A CA 2118037A CA 2118037 A1 CA2118037 A1 CA 2118037A1
Authority
CA
Canada
Prior art keywords
trocar
portal sleeve
distal end
safety shield
automatically move
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
CA 2118037
Other languages
French (fr)
Other versions
CA2118037C (en
Inventor
Inbae Yoon
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2118037A1 publication Critical patent/CA2118037A1/en
Application granted granted Critical
Publication of CA2118037C publication Critical patent/CA2118037C/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, e.g. tourniquets
    • 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
    • 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
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs

Abstract

An automatic retractable safety trocar instrument (10) for introducing a portal sleeve (14) into a cavity in the body includes a portal sleeve, a trocar (12) disposed within the portal sleeve and a safety shield (16) disposed between the portal sleeve and the trocar and having a distal end (26) biased to an extended position protruding beyond a distal end of the portal sleeve. The trocar is supported in a manner to automatically move proximally from an operative position wherein a sharp distal end of the trocar protrudes from the portal sleeve to a retracted position wherein the sharp distal end is protected within the instrument in response to distal movement of an operating member upon penetration into a cavity in the body. The safety shield is supported in a manner to automatically move proximally from the extended position during penetration of tissue (T) and to automatically move distally toward the extended position upon introduction of a distal end of the portal sleeve in an anatomical cavity.
CA002118037A 1992-04-15 1993-04-14 Automatic retractable trocar with safety shield Expired - Fee Related CA2118037C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US868,566 1992-04-15
US07/868,566 US5320610A (en) 1991-12-16 1992-04-15 Automatic retractable trocar with safety shield and method of use
PCT/US1993/003377 WO1993020866A1 (en) 1992-04-15 1993-04-14 Automatic retractable trocar with safety shield

Publications (2)

Publication Number Publication Date
CA2118037A1 true CA2118037A1 (en) 1993-10-28
CA2118037C CA2118037C (en) 1999-08-10

Family

ID=25351932

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118037A Expired - Fee Related CA2118037C (en) 1992-04-15 1993-04-14 Automatic retractable trocar with safety shield

Country Status (5)

Country Link
US (1) US5320610A (en)
EP (1) EP0636036A4 (en)
AU (2) AU679916B2 (en)
CA (1) CA2118037C (en)
WO (1) WO1993020866A1 (en)

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US5573511A (en) * 1991-11-27 1996-11-12 Yoon; Inbae Retractable safety penetrating instrument with safety probe
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US5779680A (en) * 1991-11-27 1998-07-14 Yoon; Inbae Retractable safety needle instrument with movable safety member
US5713870A (en) * 1991-11-27 1998-02-03 Yoon; Inbae Retractable safety penetrating instrument with laterally extendable spring strip
US5584849A (en) * 1991-11-27 1996-12-17 Yoon; Inbae Retractable safety penetrating instrument with safety shield and multiple triggering and/or moving components
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US5707362A (en) * 1992-04-15 1998-01-13 Yoon; Inbae Penetrating instrument having an expandable anchoring portion for triggering protrusion of a safety member and/or retraction of a penetrating member
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US5607439A (en) * 1993-06-24 1997-03-04 Yoon; Inbae Safety penetrating instrument with penetrating member moving during penetration and triggered safety member protrusion
US5571134A (en) 1993-06-24 1996-11-05 Yoon; Inbae Safety penetrating instrument with penetrating member and safety member moving during penetration and triggered safety member protrusion
US5573545A (en) * 1993-06-24 1996-11-12 Yoon; Inbae Safety penetrating instrument with safety member and cannula moving during penetration and triggered cannula and/or safety member protrusion
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USD700326S1 (en) 2008-04-28 2014-02-25 Ethicon Endo-Surgery, Inc. Trocar housing
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US9358041B2 (en) 2008-04-28 2016-06-07 Ethicon Endo-Surgery, Llc Wicking fluid management in a surgical access device
US8568362B2 (en) 2008-04-28 2013-10-29 Ethicon Endo-Surgery, Inc. Surgical access device with sorbents
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US10080583B2 (en) 2014-12-12 2018-09-25 Depuy Mitel, Llc Dilator for accessing a joint space
WO2017117508A1 (en) * 2015-12-30 2017-07-06 Inovio Pharmaceuticals, Inc. Electroporation device with detachable needle array with lock-out system
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Also Published As

Publication number Publication date
AU1995397A (en) 1997-07-03
AU679916B2 (en) 1997-07-17
AU695484B2 (en) 1998-08-13
CA2118037C (en) 1999-08-10
WO1993020866A1 (en) 1993-10-28
US5320610A (en) 1994-06-14
EP0636036A1 (en) 1995-02-01
EP0636036A4 (en) 1995-11-02
AU4282693A (en) 1993-11-18

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