WO2015100285A1 - Coupling features for ultrasonic surgical instrument - Google Patents

Coupling features for ultrasonic surgical instrument Download PDF

Info

Publication number
WO2015100285A1
WO2015100285A1 PCT/US2014/072040 US2014072040W WO2015100285A1 WO 2015100285 A1 WO2015100285 A1 WO 2015100285A1 US 2014072040 W US2014072040 W US 2014072040W WO 2015100285 A1 WO2015100285 A1 WO 2015100285A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
transducer
waveguide
shaft assembly
motor
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.)
Ceased
Application number
PCT/US2014/072040
Other languages
English (en)
French (fr)
Inventor
Sean P. Conlon
David J. Cagle
David A. Monroe
John A. Hibner
Cole Constantineau
Saeed Sokhanvar
Michel Bruehwiler
Daniel YASEVAC
Mohammadreza RAMEZANIFARD
Judy WALISH
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery 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
Application filed by Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Priority to CN201480071062.XA priority Critical patent/CN105939679B/zh
Priority to EP14831133.5A priority patent/EP3086722B1/en
Priority to JP2016542900A priority patent/JP6495297B2/ja
Priority to BR112016015023-6A priority patent/BR112016015023B1/pt
Publication of WO2015100285A1 publication Critical patent/WO2015100285A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/0046—Surgical instruments, devices or methods with a releasable handle; with handle and operating part separable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/0046—Surgical instruments, devices or methods with a releasable handle; with handle and operating part separable
    • A61B2017/00473—Distal part, e.g. tip or head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320071—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with articulating means for working tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320093—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing cutting operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320094—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing clamping operation
    • 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
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/031—Automatic limiting or abutting means, e.g. for safety torque limiting

Definitions

  • FIG. 23B depicts a side elevational view of the lever arm of the handle assembly of FIG. 16 moved into a second rotational position
  • FIG, 23C depicts a side elevational view of the lever arm of the handle assembly of FIG, 16 moved into a third rotational position
  • FIG. 23D depicts a side elevational view of the lever arm of the handle assembly of FIG. 16 moved into a fourth rotational position
  • FIG. 42 depicts a perspective view of yet another exemplar ⁇ ' coupling mechanism:
  • FIG, 49C depicts an elevational view of the waveguide of FIG. 47 completely disposed within the transducer of FIG. 48 and rotated into a second rotational position;
  • FIG. 53D depicts a perspective view of the shaft assembly and ultrasonic transducer of FIG. 53A with the shaft assembly threaded onto the ultrasonic transducer;
  • FIG. 55 depicts another perspective view of the assembly of FIG. 54;
  • FIG , 56A depicts a side elevational view of a lever, sector gear, and driven gear of the assembly of FIG. 54, in a first configuration;
  • FIG . 56C depicts a side elevational view of the lever, sector gear, and driven gear of the assembly of FIG. 54, in a third configuration.
  • trigger (28) that is pivotabie toward and away from pistol grip (24). It should be understood, however, that various other suitable configurations may be used, including but not limited to a scissor grip configuration. As shown in FIG. 4, trigger (28) is pivotably coupled to handle assembly (20) via a pin (23A) such that trigger (28) rotates about an axis located below shaft assembly (30),
  • An ultrasonic transducer assembly (12) extends proximally from body (22) of handle assembly (20). While transducer assembly (12) is shown in FIG. 1 , transducer assembly (12) is omitted from FIG. 4. Transducer assembly (12) is coupled with a generator (16) via a cable (14). Transducer assembly (12) receives electrical power from generator (16) and converts that power into ultrasonic vibrations through piezoelectric principles.
  • Generator (16) may include a power source and control module that is configured to provide a power profile to transducer assembly (12) that is particularly suited for the generation of ultrasonic vibrations through transducer assembly (12).
  • generator (16) may comprise a. GEN 300 sold by Ethieon Endo- Surgery, Inc.
  • generator (16) may be constructed in accordance with at least some of the teachings of U.S. Pub. No. 201 1/0087212, entitled “Surgical Generator for Ultrasonic and Electros urgical Devices,” published April 14, 201 1 , the disclosure of which is incorporated by reference herein. It should also be understood that at least some of the functionality of generator (16) may be integrated into handle assembly (20), and that handle assembly (20) may even include a battery or other on -board power source such that cable (14) is omitted. Still other suitable forms that generator (16) may take, as well as various features and operabilities that generator (16) may provide, will be apparent to those of ordinary skill in the art in view of the teachings herein.
  • housing (280) drives shaft assembly (230) proximally such that proximal engagement, housing (231 ) of shaft assembly (230) is positioned within keyed bore (223) of handle assembly (220). Also in this proximal position, stud (13) of transducer assembly (12) has been completely threaded into the waveguide.
  • FIG. 14D shows locking member (266) engaged with housing (280) via pi votal movement of trigger (228) toward pistol grip (224).
  • an encoder may be used to track the turns of the transducer assembly; and a control logic may stop motor (350) when the transducer assembly as turned through an angular range associated with an appropriate torque value.
  • a control module may further track a back electromotive force (EMF) associated with motor (350); and deactivate motor (350) in response to the back EMF reaching a. value associated with an appropriate torque value at the coupling of the threaded stud of the transducer and the waveguide.
  • EMF back electromotive force
  • lever arm (860) is pivoted relative to body (822) through the range of motion where teeth (864) engage gear (856), the drivetrain formed by gears (862, 856, 852, 848, 846, 844) will rotate clutch drive gear (840) in body (822), thereby rotating clutch ring (830) and transducer housing (812) within body (822).
  • FIGS. 56A-56B depict exemplary stages of operation.
  • FIG. 56A depicts lever arm (860) in an initial pivotal position.
  • the proximal end of a shaft assembly may be inserted into the distal end of body (822).
  • Locking member (880) is in a proximal position, where the distal end of locking member (880) prevents rotation of the shaft assembly relative to body (822).
  • locking member (880) may be resiliently biased to the proximal position by a coil spring, leaf spring, and/or some other resilient feature. The operator then pivots lever arm (860) from the position shown in FIG. 56A toward the position shown in FIG. 56B.
  • a sensor senses the pivotal movement of lever arm (860) and activates the motor to rotate clutch drive gear (840) in body (822), thereby rotating clutch ring (830) and transducer housing (812) within body (822).
  • This provides an initial threading of the threaded stud of the ultrasonic transducer into the proximal threaded recess of an acoustic waveguide as described elsewhere herein, it should be understood that, during the initial stages of the transition from the configuration shown in FIG. 56A to the configuration shown in FIG. 56B, sector gear (862) does not engage gear (856).
  • Clutch ring (830) and transducer housing (812) are thus driven solely by the motor during the initial stages of the transition from the configuration shown in FIG. 56A to the configuration shown in FIG. 56B.
  • FIGS. 42-44 show a waveguide (1022) and an inner tube (1024).
  • Waveguide (1022) comprises an internal threaded region (1023).
  • Threaded stud (1011) of a horn ; i 01 0 ⁇ is configured to be threaded into threaded region ( 1023) of waveguide (1022).
  • An exterior surface of inner tube ( 1024) defines a plurality of longitudinal recesses (1025) disposed in an angularly spaced array about inner tube (1024).
  • Horn (1010) extends coaxially through a keyed member (1026).
  • Keyed member (1026) comprises a plurality of inwardly extending projections (1027) configured to fit within longitudinal recesses (1025) of inner tube (5024).
  • notch (1046) allows waveguide (1042) to move along a transverse path relative to threaded stud (1044) in order to achieve axial alignment between waveguide (1042) and threaded stud (1044), This would enable a shaft assembly (30) incorporating waveguide (1042) to be side-loaded, top-loaded, or otherwise loaded relative to handle assembly (20) along a path that is transverse to the longitudinal axis of threaded stud (1044).

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Dentistry (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
PCT/US2014/072040 2013-12-27 2014-12-23 Coupling features for ultrasonic surgical instrument Ceased WO2015100285A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201480071062.XA CN105939679B (zh) 2013-12-27 2014-12-23 用于超声外科器械的联接结构
EP14831133.5A EP3086722B1 (en) 2013-12-27 2014-12-23 Coupling features for ultrasonic surgical instrument
JP2016542900A JP6495297B2 (ja) 2013-12-27 2014-12-23 超音波外科用器具の連結特徴部
BR112016015023-6A BR112016015023B1 (pt) 2013-12-27 2014-12-23 Aparelho para operar em tecido

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/142,216 US9539020B2 (en) 2013-12-27 2013-12-27 Coupling features for ultrasonic surgical instrument
US14/142,216 2013-12-27

Publications (1)

Publication Number Publication Date
WO2015100285A1 true WO2015100285A1 (en) 2015-07-02

Family

ID=52432917

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/072040 Ceased WO2015100285A1 (en) 2013-12-27 2014-12-23 Coupling features for ultrasonic surgical instrument

Country Status (6)

Country Link
US (1) US9539020B2 (https=)
EP (1) EP3086722B1 (https=)
JP (1) JP6495297B2 (https=)
CN (1) CN105939679B (https=)
BR (1) BR112016015023B1 (https=)
WO (1) WO2015100285A1 (https=)

Cited By (1)

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