CA2419991A1 - Apparatus for and treatment of the intervertebral disc - Google Patents

Apparatus for and treatment of the intervertebral disc Download PDF

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Publication number
CA2419991A1
CA2419991A1 CA002419991A CA2419991A CA2419991A1 CA 2419991 A1 CA2419991 A1 CA 2419991A1 CA 002419991 A CA002419991 A CA 002419991A CA 2419991 A CA2419991 A CA 2419991A CA 2419991 A1 CA2419991 A1 CA 2419991A1
Authority
CA
Canada
Prior art keywords
undulating
thermal
guidable region
cannula
surgical apparatus
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
CA002419991A
Other languages
French (fr)
Other versions
CA2419991C (en
Inventor
Raymond Fredricks
John P. Shanahan
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.)
Covidien AG
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 CA2419991A1 publication Critical patent/CA2419991A1/en
Application granted granted Critical
Publication of CA2419991C publication Critical patent/CA2419991C/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
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00026—Conductivity or impedance, e.g. of tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00261—Discectomy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
    • A61B2017/00455—Orientation indicators, e.g. recess on the handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00434—Neural system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance

Abstract

A system and method for approaching the intervertebral disc through a percutaneous insertion from the of a patient for thermal or electromagnetic treatment of an intervertebral disc, includes an elongated probe member (104 ) having a guidable region (128) adjacent its distal end with an undulating groove (130) defined in its outer region in at least one radial direction of movement relative to a longitudinal axis of the thermal prove. Preferably, t he guidable region includes a plurality of undulating grooves (130), whereby adjacent undulating grooves are longitudinally spaced with respect to each other. The undulating grooves each define a sinusoidal configuration which m ay be arranged about an undulating axis extending in oblique relation to the longitudinal axis. The guidable region also includes a longitudinally extending backbone (132) may also include a cannula (102) to facilitate introduction of the thermal probe in the intervertebral disc. The cannula includes an arcuate end portion (110) dimensions to arranged the guidable region of the thermal probe at a desired orientation within the annulus fibrosis.

Claims (10)

1. A surgical apparatus for thermal or electromagnetic treatment of tissue, which comprises:
an elongated thermal probe member having proximal and distal ends and defining a longitudinal axis, the probe member having a guidable region adjacent the distal end, the guidable region having an undulating groove defined in an outer surface thereof and being dimensioned to facilitate bending of the guidable region in at least one radial direction of movement relative to the longitudinal axis, the thermal probe being adapted for connection to a thermal energy source to provide thermal energy to tissue.
2. The surgical apparatus according to claim 1 wherein the guidable region includes a plurality of undulating grooves, adjacent undulating grooves longitudinally spaced with respect to each other.
3. The surgical apparatus according to claim 2 wherein the undulating grooves each define a sinusoidal configuration.
4. The surgical apparatus according to claim 3 wherein the guidable region includes a longitudinally extending backbone, the backbone being devoid of the undulating grooves and being dimensioned to resist bending of the guidable region in a radial direction movement.
5. The surgical apparatus according to claim 1 wherein the one undulating groove is arranged about an undulating axis extending in oblique relation to the longitudinal axis.
6. The surgical apparatus according to claim 2 wherein the probe member defines an internal lumen, the undulating grooves extending to communicate with the internal lumen.
7. The surgical apparatus according to claim 2 including a cannula to facilitate introduction of the thermal probe into the intervertebral disc, the cannula defining a lumen to receive the thermal probe, the thermal probe being advanceable within the lumen.
8. The apparatus according to claim 4 wherein the cannula includes an arcuate end portion, the arcuate end portion dimensioned to arrange the guidable region of the thermal prove to a desired orientation within the annulus fibrosis.
9. The apparatus according to claim 5 wherein the cannula defines a penetrating distal end dimensioned to penetrate the intervertebral disc.
10. The apparatus according to claim 5 wherein the cannula includes an index marker adjacent a proximal end thereof to indicate a direction of the arcuate end portion.
CA2419991A 2000-09-07 2000-12-18 Apparatus for and treatment of the intervertebral disc Expired - Fee Related CA2419991C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23075000P 2000-09-07 2000-09-07
US60/230,750 2000-09-07
PCT/US2000/034140 WO2002019933A1 (en) 2000-09-07 2000-12-18 Apparatus for and treatment of the intervertebral disc

Publications (2)

Publication Number Publication Date
CA2419991A1 true CA2419991A1 (en) 2002-03-14
CA2419991C CA2419991C (en) 2011-10-04

Family

ID=22866410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2419991A Expired - Fee Related CA2419991C (en) 2000-09-07 2000-12-18 Apparatus for and treatment of the intervertebral disc

Country Status (8)

Country Link
US (4) US6604003B2 (en)
EP (2) EP1315463B1 (en)
JP (1) JP4219679B2 (en)
AU (2) AU2001224345B2 (en)
CA (1) CA2419991C (en)
DE (2) DE60035378T2 (en)
ES (2) ES2240225T3 (en)
WO (1) WO2002019933A1 (en)

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