BR9713610A - Instrumento cirúrgico endoscópico - Google Patents

Instrumento cirúrgico endoscópico

Info

Publication number
BR9713610A
BR9713610A BR9713610-7A BR9713610A BR9713610A BR 9713610 A BR9713610 A BR 9713610A BR 9713610 A BR9713610 A BR 9713610A BR 9713610 A BR9713610 A BR 9713610A
Authority
BR
Brazil
Prior art keywords
burr
tissue
cutting edges
inner tube
outer tube
Prior art date
Application number
BR9713610-7A
Other languages
English (en)
Inventor
Ernest A Dion
Original Assignee
Smith & Nephew Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25094741&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9713610(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Smith & Nephew Inc filed Critical Smith & Nephew Inc
Publication of BR9713610A publication Critical patent/BR9713610A/pt

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
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system

Abstract

<B>INSTRUMENTO CIRúRGICO ENDOSCóPICO<D>. Um instrumento cirúrgico compreende um tubo interno o qual gira em um tubo externo e porta uma ferramenta cirúrgica que inclui um trépano para cortar tecido exposto ao trépano através de uma abertura no tubo externo. O instrumento inclui várias características que aumenta a eficiência na qual os fragmentos de tecido cortados pelo trépano são aspirados através do tubo interno, e que permitem que o trépano corte eficazmente tecido relativamente macio bem como tecido mais duro como osso. Por exemplo, o trépano inclui uma haste próxima tendo uma parede que tem uma abertura na mesma substancialmente com uma largura em relação a um diâmetro externo da parede para transportar fragmentos de tecido cortados pelo trépano para dentro de uma câmara interior da haste, e de lá para dentro de uma passagem no tubo interno. A abertura no tubo externo é axialmente alongada suficientemente para expor uma porção maior da abertura. A abertura grande e sua exposição pela abertura externa do tubo reduzem o risco de obstrução por admissão de fragmentos maiores de tecido para dentro do tubo interno para aspiração. Adicionalmente, o trépano inclui uma pluralidade de entalhes que são axialmente alongados e inclinados transversalmente em relação às estrias, e os entalhes definem uma pluralidade de entalhes axialmente espaçados em cada um dos gumes. Os entalhes dividem os gumes em segmentos relativamente pequenos que produzem fragmentos de tecido correspondentemente pequenos (mesmo quando o trépano é utilizado para cortar tecido macio) para reduzir ainda mais o risco de obstrução. Além disso, os gumes são preferivelmente dotados de uma inclinação positiva que torna os gumes mais afiados e adequados para corte eficaz, ao invés de rasgar ou picotar, tecido relativamente macio.
BR9713610-7A 1996-12-23 1997-12-17 Instrumento cirúrgico endoscópico BR9713610A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/772,340 US5913867A (en) 1996-12-23 1996-12-23 Surgical instrument
PCT/US1997/023390 WO1998027876A1 (en) 1996-12-23 1997-12-17 Surgical instrument

Publications (1)

Publication Number Publication Date
BR9713610A true BR9713610A (pt) 2000-04-11

Family

ID=25094741

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9713610-7A BR9713610A (pt) 1996-12-23 1997-12-17 Instrumento cirúrgico endoscópico

Country Status (9)

Country Link
US (1) US5913867A (pt)
EP (1) EP1006898B1 (pt)
JP (1) JP4065569B2 (pt)
AT (1) ATE289492T1 (pt)
AU (1) AU722524B2 (pt)
BR (1) BR9713610A (pt)
CA (1) CA2274232A1 (pt)
DE (1) DE69732580T2 (pt)
WO (1) WO1998027876A1 (pt)

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WO1998027876A1 (en) 1998-07-02
JP2001507590A (ja) 2001-06-12
DE69732580T2 (de) 2006-05-04
CA2274232A1 (en) 1998-07-02
US5913867A (en) 1999-06-22
AU722524B2 (en) 2000-08-03
EP1006898B1 (en) 2005-02-23
EP1006898A1 (en) 2000-06-14
AU5384998A (en) 1998-07-17
DE69732580D1 (de) 2005-03-31
ATE289492T1 (de) 2005-03-15
JP4065569B2 (ja) 2008-03-26

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