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1. WO2000038574 - NERVE SURVEILLANCE CANNULAE SYSTEMS

Publication Number WO/2000/038574
Publication Date 06.07.2000
International Application No. PCT/US1999/012651
International Filing Date 04.06.1999
Chapter 2 Demand Filed 13.07.2000
IPC
A61B 5/04 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
04Measuring bioelectric signals of the body or parts thereof
A61B 5/0408 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
04Measuring bioelectric signals of the body or parts thereof
0402Electrocardiography, i.e. ECG
0408Electrodes specially adapted therefor
A61B 5/0478 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
04Measuring bioelectric signals of the body or parts thereof
0476Electroencephalography
0478Electrodes specially adapted therefor
A61B 5/0488 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
04Measuring bioelectric signals of the body or parts thereof
0488Electromyography
A61B 5/0492 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
04Measuring bioelectric signals of the body or parts thereof
0488Electromyography
0492Electrodes specially adapted therefor, e.g. needle electrodes
A61B 17/34 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
34Trocars; Puncturing needles
CPC
A61B 17/1757
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
16Bone cutting, breaking or removal means other than saws, e.g.; Osteoclasts; Drills or chisels for bones; Trepans
17Guides ; or aligning means; for drills ; , mills, pins or wires
1739specially adapted for particular parts of the body
1757for the spine
A61B 17/3417
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
34Trocars; Puncturing needles
3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
A61B 17/3423
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
34Trocars; Puncturing needles
3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
3421Cannulas
3423Access ports, e.g. toroid shape introducers for instruments or hands
A61B 17/3439
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
34Trocars; Puncturing needles
3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
3421Cannulas
3439with means for changing the inner diameter of the cannula, e.g. expandable
A61B 18/148
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
12by passing a current through the tissue to be heated, e.g. high-frequency current
14Probes or electrodes therefor
148having a short, rigid shaft for accessing the inner body transcutaneously, e.g. for neurosurgery or arthroscopy
A61B 18/1487
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
12by passing a current through the tissue to be heated, e.g. high-frequency current
14Probes or electrodes therefor
1487Trocar-like, i.e. devices producing an enlarged transcutaneous opening
Applicants
  • NUVASIVE, INC. [US/US]; 10065 Old Grove Road San Diego, CA 92131, US
Inventors
  • MARINO, James, F.; US
  • STONE, Corbett, W.; US
  • CHRISTOPHER, Troy, K.; US
  • BLEWETT, Jeffrey, J.; US
  • KELLEHER, Brian, S.; US
Agents
  • HECKADON, David, R. ; Townsend and Townsend and Crew LLP 8th floor Two Embarcadero Center San Francisco, CA 94111, US
Priority Data
09/325,99804.06.1999US
60/113,65123.12.1998US
60/120,66319.02.1999US
60/123,26808.03.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NERVE SURVEILLANCE CANNULAE SYSTEMS
(FR) SYSTEMES DE CATHETER ET DE SURVEILLANCE DE NERFS
Abstract
(EN)
This invention is an expandable tip cannula system (110), comprising a hollow cannula shaft (112) having a proximal end and a distal end; and an expandable tip (113) mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally triangular shaped petals (114) held together in a radially inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode (116) disposed therein.
(FR)
L'invention concerne un système de cathéter (110) à bout dilatable comprenant une tige creuse (112) ayant une extrémité proximale et une extrémité distale, ainsi qu'un bout dilatable (113) monté au niveau de l'extrémité distale de la tige creuse, le bout dilatable comprenant une pluralité d'ailettes (114) de forme généralement triangulaire et effilée qui sont disposées vers l'intérieur de manière radiale et adjacente. Chaque ailettes contient une électrode (116) de détection de nerfs.
Latest bibliographic data on file with the International Bureau