CA2475771A1 - Ultrasonic medical treatment device for rf cauterization - Google Patents

Ultrasonic medical treatment device for rf cauterization Download PDF

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Publication number
CA2475771A1
CA2475771A1 CA002475771A CA2475771A CA2475771A1 CA 2475771 A1 CA2475771 A1 CA 2475771A1 CA 002475771 A CA002475771 A CA 002475771A CA 2475771 A CA2475771 A CA 2475771A CA 2475771 A1 CA2475771 A1 CA 2475771A1
Authority
CA
Canada
Prior art keywords
probe
treatment device
electrode member
medical treatment
device defined
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
CA002475771A
Other languages
French (fr)
Other versions
CA2475771C (en
Inventor
Ronald R. Manna
Dan Voic
Theodore A. D. Novak
Scott Isola
Alexander L. Darian
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.)
Misonix LLC
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
Priority claimed from US10/086,508 external-priority patent/US6736814B2/en
Application filed by Individual filed Critical Individual
Publication of CA2475771A1 publication Critical patent/CA2475771A1/en
Application granted granted Critical
Publication of CA2475771C publication Critical patent/CA2475771C/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
    • A61B18/1402—Probes for open surgery
    • 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
    • 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
    • A61B18/148—Probes or electrodes therefor having a short, rigid shaft for accessing the inner body transcutaneously, e.g. for neurosurgery or arthroscopy
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320069—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/32007—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with suction or vacuum means
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320084—Irrigation sleeves
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00595—Cauterization
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/0063—Sealing
    • 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
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
    • 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
    • A61B2018/1475—Electrodes retractable in or deployable from a housing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation

Abstract

An ultrasonic medical treatment device has a casing (66), an elongate probe (40 or 56), a transducer assembly (62), a sheath (38) and at least one electrode member (50-53). The probe (40 or 56) is mounted to and extends from the casing (66) and has an axis (48) and a free end serving as an operative tip (78). The transducer assembly (62) is mounted to the casing (66) and operatively connected to the probe (40 or 56) for generating vibrations of at least one ultrasonic frequency in the probe (40 or 56). The sheath (38) surrounds the probe (40 or 56). The electrode member (50-53) is connectable to an RF voltage source and is mounted at least indirectly to the casing (66) so as to permit relative motion between the electrode member (50-53) and the probe (40 or 56).

Claims (28)

1. An ultrasonic medical treatment device comprising:
a casing;
an elongate probe mounted to and extending from said casing, said probe having an axis and a free end serving as an operative tip;
a transducer assembly mounted to said casing and operatively connected to said probe for generating vibrations of at least one ultrasonic frequency in said probe;
a sheath surrounding said probe; and at least one electrode member attached to said sheath, said electrode member being connectable to an RF voltage source.
2. The medical treatment device defined in claim 1 wherein said sheath is movably mounted to said casing for reciprocatable motion along said axis of said probe, whereby said tip of said probe may be alternately covered and exposed.
3. The medical treatment device defined in claim 2 wherein said electrode member is fixed to said sheath.
4. The medical treatment device defined in claim 3 wherein said electrode member is substantially embedded in said sheath and has an exposed tip proximate to said operative tip of said probe.
5. The medical treatment device defined in claim 4 wherein said electrode member is one of exactly two electrode members both fixed to said sheath.
6. The medical treatment device defined in claim 4 wherein said electrode member is one in a plurality of pairs of electrode members all fixed to said sheath.
7. The medical treatment device defined in claim 2 wherein said electrode member is one of at least two electrode members, at least one of said electrode members being hingedly secured to said sheath, further comprising at least one actuator operatively connected to said one of said electrode members for pivoting said one of said electrode members towards the other of said electrode members.
8. The medical treatment device defined in claim 7 wherein said sheath is formed with a plurality of pairs of parallel slots defining respective hinged fingers, said electrode members being mounted to respective ones of said hinged fingers.
9. The medical treatment device defined in claim 8 wherein said electrode members are at least partially embedded in said fingers.
10. The medical treatment device defined in claim 7 wherein said actuator is a protuberance manually engageable to slide said sheath alternately in a proximal and a distal direction.
11. The medical treatment device defined in claim 7 where the other of said electrode members is said probe.
12. The medical treatment device defined in claim 1 wherein said electrode member is mounted to said sheath so as to be movable relative to said probe.
13. The medical treatment device defined in claim 12 wherein said electrode member is movable in parallel to said axis.
14. The medical treatment device defined in claim 1 wherein said electrode member is fixed to said sheath.
15. The medical treatment device defined in claim 1 wherein said electrode member is substantially embedded in said sheath and has an exposed tip proximate to said operative tip of said probe.
16. The medical treatment device defined in claim 1 wherein said probe is also an electrode operative with said electrode member to perform bipolar electrocautery.
17. The medical treatment device defined in claim 1 wherein said electrode member is a monopolar electrode member connectable to an RF power supply for the performance of monopolar electrocautery.
18. An ultrasonic medical treatment device comprising:
a casing;
an elongate probe mounted to and extending from said casing, said probe having an axis and a free end serving as an operative tip;
a transducer assembly mounted to said casing and operatively connected to said probe for generating vibrations of at least one ultrasonic frequency in said probe;
a sheath surrounding said probe; and at least one electrode member connectable to an RF voltage source, said electrode member being mounted at least indirectly to said casing so as to permit relative motion between said electrode member and said probe.
19. The medical treatment device defined in claim 18, further comprising means mounting said electrode member to said casing so as to permit relative motion between said electrode member and said probe.
20. The medical treatment device defined in claim 19 wherein said means mounting said electrode member to said casing includes said sheath, said sheath being movably mounted to said casing for reciprocatable motion along said axis of said probe, whereby said tip of said probe may be alternately covered and exposed.
21. The medical treatment device defined in claim 20 wherein said electrode member is mounted to said sheath so as to permit a transverse motion of a distal end of said electrode member relative to said probe, thereby permitting an adjustment in the distance between the distal end of said electrode member and an axis of said probe.
22. The medical treatment device defined in claim 21 wherein said electrode member is hingedly secured to said sheath, further comprising at least one actuator operatively connected to said electrode member for pivoting said electrode member towards an axis of said probe.
23. The medical treatment device defined in claim 22 wherein said sheath is formed with a at least one pair of parallel slots defining a hinged finger, said electrode member being mounted to said hinged finger.
24. The medical treatment device defined in claim 23 wherein said electrode member is at least partially embedded in said finger.
25. The medical treatment device defined in claim 22 wherein said actuator is a protuberance manually engageable to slide said sheath alternately in a proximal and a distal direction.
26. The medical treatment device defined in claim 20 wherein said electrode member is substantially embedded in said sheath and has an exposed tip proximate to said operative tip of said probe.
27. The medical treatment device defined in claim 18 wherein said probe is also an electrode operative with said electrode member to perform bipolar electrocautery.
28. The medical treatment device defined in claim 18 wherein said electrode member is a monopolar electrode member connectable to an RF power supply for the performance of monopolar electrocautery.
CA2475771A 2002-02-28 2003-02-20 Ultrasonic medical treatment device for rf cauterization Expired - Fee Related CA2475771C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/086,508 2002-02-28
US10/086,508 US6736814B2 (en) 2002-02-28 2002-02-28 Ultrasonic medical treatment device for bipolar RF cauterization and related method
US10/141,789 2002-05-08
US10/141,789 US6648839B2 (en) 2002-02-28 2002-05-08 Ultrasonic medical treatment device for RF cauterization and related method
PCT/US2003/005210 WO2003073949A1 (en) 2002-02-28 2003-02-20 Ultrasonic medical treatment device for rf cauterization

Publications (2)

Publication Number Publication Date
CA2475771A1 true CA2475771A1 (en) 2003-09-12
CA2475771C CA2475771C (en) 2012-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2475771A Expired - Fee Related CA2475771C (en) 2002-02-28 2003-02-20 Ultrasonic medical treatment device for rf cauterization

Country Status (6)

Country Link
US (2) US6648839B2 (en)
EP (1) EP1478294B1 (en)
JP (1) JP4429020B2 (en)
AU (1) AU2003211170A1 (en)
CA (1) CA2475771C (en)
WO (1) WO2003073949A1 (en)

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US6648839B2 (en) 2003-11-18
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