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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0726620 (2007-03-22) |
| 등록번호 | US-8142461 (2012-03-27) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 150 인용 특허 : 238 |
A surgical instrument that may include a housing, a transducer engaged with the housing which can produce vibrations, and an end-effector engaged with the transducer. The surgical instrument can further include an adjustable sheath extending from the housing where the sheath is movable relative to t
A surgical instrument that may include a housing, a transducer engaged with the housing which can produce vibrations, and an end-effector engaged with the transducer. The surgical instrument can further include an adjustable sheath extending from the housing where the sheath is movable relative to the distal tip of the end-effector and where the distance between the distal tip of the sheath and the distal tip of the end-effector can be set such that the sheath can act as a depth stop. The sheath can be adjusted such that, when the distal tip of the sheath contacts the tissue or bone being incised, the surgeon can determine that the appropriate depth of the incision has been reached. In other embodiments, the end-effector can be moved with respect to the sheath in order to adjust the distance between the distal tip of the end-effector and the distal tip of the sheath.
1. A surgical instrument, comprising: a handle;a transducer configured to produce vibrations;an end-effector engaged with said transducer, wherein said end-effector defines an axis and a distal tip, and wherein said distal tip is movable relative to said axis by vibrations produced by said transduce
1. A surgical instrument, comprising: a handle;a transducer configured to produce vibrations;an end-effector engaged with said transducer, wherein said end-effector defines an axis and a distal tip, and wherein said distal tip is movable relative to said axis by vibrations produced by said transducer;an adjustable depth stop movably supported relative to said end-effector, wherein said depth stop includes a distal tip, and wherein said distal tip of said depth stop is movable relative to said distal tip of said end-effector;a trigger extending from said handle, wherein said trigger is relatively movable with respect to said handle; anda drive mechanism, wherein said depth stop is operably engaged with said drive mechanism, and wherein said trigger is operably engaged with said drive mechanism such that, when said trigger is moved relative to said handle, said distal end of said depth stop is moved relative to said distal end of said end-effector. 2. The surgical instrument of claim 1, wherein said depth stop includes a sheath at least partially surrounding said end-effector. 3. The surgical instrument of claim 1, wherein said vibrations include at least one of vibrations parallel to said axis, vibrations transverse to said axis, and vibrations torsional about said axis. 4. The surgical instrument of claim 1, wherein said depth stop further includes indicia configured to indicate the distance between said distal tip of said end-effector and said distal tip of said depth stop. 5. The surgical instrument of claim 1, wherein said drive mechanism further comprises: a ratchet mechanism, wherein said depth stop extends from said ratchet mechanism, and wherein said ratchet mechanism comprises: a rack, wherein said depth stop is engaged with said rack;a spring engaged with said rack;a ratchet wheel engaged with said trigger; anda pawl selectively engagable with said ratchet wheel, wherein, when said pawl is engaged with said ratchet wheel, said pawl and said ratchet wheel are configured to move said rack and said distal end of said depth stop with respect to said distal end of said end-effector, and wherein, when said pawl is disengaged from said ratchet wheel, said spring is configured to reposition said rack and said depth stop with respect to said distal end of said end-effector. 6. A method for processing an instrument for surgery, the method comprising: obtaining the surgical instrument of claim 1;sterilizing the surgical instrument; andstoring the instrument in a sterile container. 7. A method for processing an instrument for surgery, the method comprising: obtaining the surgical instrument of claim 1;detaching said depth stop from the surgical instrument; andperforming one of the following actions: reforming at least a portion of said depth stop, resterilizing said depth stop, and reattaching said depth stop to the surgical instrument; orattaching a different said depth stop to the surgical instrument. 8. The surgical instrument of claim 1, wherein said distal tip of said depth stop can be retracted away from said distal tip of said end effector upon an actuation of said trigger. 9. A surgical instrument, comprising: a handle, comprising: a housing; anda trigger movable between an unactuated position and an actuated position;a transducer, wherein said transducer is configured to produce vibrations;an end-effector engaged with said transducer, wherein said end-effector defines an axis and a distal tip, and wherein said distal tip is movable relative to said axis by vibrations produced by said transducer; anda depth stop extending from said housing, wherein said depth stop is operably engaged with said trigger, wherein said depth stop includes a distal tip, and wherein a distance between said distal tip of said depth stop and said distal tip of said end-effector is adjustable by an actuation of said trigger. 10. The surgical instrument of claim 9, wherein said depth stop includes a sheath at least partially surrounding said end-effector. 11. The surgical instrument of claim 9, wherein said vibrations include at least one of vibrations parallel to said axis, vibrations transverse to said axis, and vibrations torsional about said axis. 12. The surgical instrument of claim 9, further comprising: a ratchet mechanism, wherein said end-effector is connected to said ratchet mechanism, wherein said trigger is operably engaged with said ratchet mechanism such that, when said trigger is moved relative to said handle, said distal end of said end-effector is moved with respect to said distal end of said depth stop. 13. The surgical instrument of claim 9, further comprising: a ratchet mechanism, comprising: a rack, wherein said end-effector is engaged with said rack;a spring engaged with said rack;a ratchet wheel engaged with said trigger; anda pawl selectively engagable with said ratchet wheel, wherein, when said pawl is engaged with said ratchet wheel, said pawl and said ratchet wheel are configured to advance said rack and said distal end of said end-effector with respect to said distal end of said depth stop, and wherein, when said pawl is disengaged from said ratchet wheel, said spring is configured to retract said rack and said end-effector with respect to said distal end of said depth stop. 14. The surgical instrument of claim 13, wherein said transducer is engaged with said rack. 15. The surgical instrument of claim 9, wherein said depth stop includes a first portion and a second portion, wherein said second portion is removably connected to said first portion, and wherein said second portion can be disconnected from said first portion to adjust the length of said depth stop. 16. A method for processing an instrument for surgery, the method comprising: obtaining the surgical instrument of claim 9; sterilizing the surgical instrument; andstoring the instrument in a sterile container. 17. A method for processing an instrument for surgery, the method comprising: obtaining the surgical instrument of claim 9;detaching said depth stop from the surgical instrument; andperforming one of the following actions: reforming at least a portion of said depth stop, resterilizing said depth stop, and reattaching said depth stop to the surgical instrument; orattaching a different said depth stop to the surgical instrument. 18. The surgical instrument of claim 9, wherein said distal tip of said depth stop can be retracted away from said distal tip of said end effector upon an actuation of said trigger. 19. A surgical instrument kit, comprising: a surgical instrument, comprising: a housing;a transducer configured to produce vibrations; andan end-effector engaged with said transducer, wherein said end-effector defines an axis and a distal tip, and wherein said distal tip is movable relative to said axis by vibrations produced by said transducer;a first depth stop, wherein said first depth stop is configured to extend from said housing, wherein said first depth stop includes a distal tip, and wherein, when said first depth stop is assembled to said housing, said distal tip of said end-effector and said distal tip of said first depth stop define a first distance therebetween; anda second depth stop, wherein said second depth stop is configured to extend from said housing, wherein said second depth stop includes a distal tip, wherein, when said second depth stop is assembled to said housing, said distal tip of said end-effector and said distal tip of said second depth stop define a second distance therebetween, and wherein said first distance is different than said second distance. 20. The surgical kit of claim 19, wherein said housing includes one of a projection and a slot, wherein said first depth and said second depth stop each include the other of said projection and said slot, and wherein said slot is configured to receive said projection and attach said depth stops to said housing. 21. The surgical kit of claim 20, wherein, when said projection is positioned in said slot, said projection and said slot are in a press-fit engagement. 22. A surgical instrument, comprising: a handle, comprising: a housing;a trigger rotatably mounted to said housing; anda transducer configured to produce vibrations;an end-effector operably engaged with said transducer, wherein said end-effector comprises an axis and a distal tip, and wherein said distal tip is movable relative to said axis by vibrations produced by said transducer;an adjustable depth stop comprising a distal tip; anda drive mechanism operably engaged with said trigger and said depth stop wherein, when said trigger is moved relative to said handle, said distal end of said depth stop is moved relative to said distal end of said end-effector, and wherein said distal end of said depth stop can be moved concurrently with the production of vibrations from said transducer. 23. The surgical instrument of claim 22, wherein said distal end of said depth stop can be retracted away from said distal end of said end effector upon an actuation of said trigger.
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