[특허]Surgical instrument and method of use

Warsaw Orthopedic, Inc.

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Surgical instrument and method of use

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/02 A61B-090/57 A61B-017/00
출원번호	US-0800337 (2015-07-15)
등록번호	US-10213192 (2019-02-26)
발명자 / 주소	Capote, Cristian A.
출원인 / 주소	Warsaw Orthopedic, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 50

초록
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A surgical instrument includes an element connectable with a fixture. A first member is independently and selectively movable relative to the element and includes a part engageable with an incision in a cranial-caudal orientation relative to a body to space apart tissue. A second member is independently and selectively movable relative to the element and includes a part engageable with tissue of an anterior portion of the incision relative to the body. A third member is independently and selectively movable relative to the element and includes a part eng...

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1. A surgical instrument comprising: an element connectable with a fixture;a first member independently and selectively movable relative to the element and including a part engageable with an incision in a cranial-caudal orientation relative to a body to space apart tissue, the part comprising a housing having a first blade and a shaft disposed in the housing, the shaft including an arm and a second blade that is coupled to the arm, the shaft defining a longitudinal axis, the second blade being coupled to the shaft such that the second blade is prevented from translating relative to the shaft along the longitudinal axis, the arm including a flange and a lever that is pivotable relative to the flange to facilitate rotation of the arm about an axis defined by the arm;a second member independently and selectively movable relative to the element and including a part engageable with tissue of an anterior portion of the incision; anda third member independently and selectively movable relative to the element and including a part engageable with tissue of a posterior portion of the incision,wherein the parts are disposable in a configuration to space tissue of the incision to define an oblique surgical pathway relative to a bilateral axis of the body, the element comprising a collar having a splined surface that rotatably engages a splined surface of a collar of the fixture to simultaneously rotate the members relative to the fixture. 2. A surgical instrument as recited in claim 1, wherein the first blade is coupled to the housing by the arm. 3. A surgical instrument as recited in claim 1, wherein the second blade is coupled to the shaft by a second arm, the second arm being rotatable relative to the shaft, the second arm including a second flange and a second lever that is pivotable relative to the second flange to facilitate rotation of the second arm about an axis defined by the second arm. 4. A surgical instrument as recited in claim 1, wherein the housing comprises a lock configured to engage teeth of the shaft to selectively space the blades apart. 5. A surgical instrument as recited in claim 4, wherein the lock is pivotable about a pivot axis that extends transverse to the shaft. 6. A surgical instrument as recited in claim 1, wherein the first blade includes an inner surface and the second blade includes an inner surface, the inner surfaces define a substantially oval cavity. 7. A surgical instrument as recited in claim 1, wherein at least one of the members is selectively rotatable relative to the element. 8. A surgical instrument as recited in claim 1, wherein at least one of the members includes an adaptor disposed between the member and the part, the adaptor including a moveable ramp interface such that the part is releasably engageable with the member. 9. A surgical instrument as recited in claim 8, wherein the adaptor includes a quick release connection including a push button release. 10. A surgical instrument as recited in claim 1, wherein the part of the second member includes an anterior blade positioned between the first blade and the second blade. 11. A surgical instrument as recited in claim 10, wherein the part of the third member includes a posterior blade positioned between the first blade and the second blade such that the posterior blade is spaced apart from the anterior blade. 12. A surgical instrument as recited in claim 1, wherein the element comprises a linear configuration. 13. A surgical instrument as recited in claim 1, wherein the element includes an arcuate configuration. 14. A surgical instrument as recited in claim 1, wherein the element includes a hub. 15. A surgical instrument as recited in claim 1, further comprising a dilator having a substantially oval shape and being engageable with tissue adjacent a spine. 16. A surgical instrument comprising: an element connectable with a fixture;a first arm independently and selectively movable relative to the element and including a housing having a cranial blade and a shaft slidably disposed in the housing, the shaft including a blade arm and a caudal blade that is coupled to the blade arm, the shaft defining a longitudinal axis, the caudal blade being coupled to the shaft such that the caudal blade is prevented from translating relative to the shaft along the longitudinal axis, the blade arm including a flange and a lever that is pivotable relative to the flange to facilitate rotation of the blade arm about an axis defined by the blade arm;a second arm independently and selectively movable relative to the element and including an anterior blade; anda third arm independently and selectively movable relative to the element and including a posterior blade,wherein the arms are disposable in a configuration to space tissue of an incision to define an oblique surgical pathway relative to a bilateral axis of a body, the element comprising a collar having a radially splined surface that rotatably engages a radially splined surface of a collar of the fixture to simultaneously rotate the members relative to the fixture. 17. A surgical instrument as recited in claim 16, wherein the housing comprises a lock configured to engage teeth of the shaft to selectively space the caudal blade from the cranial blade. 18. A surgical instrument as recited in claim 16, wherein the cranial blade is coupled to the housing by the blade arm. 19. A surgical instrument as recited in claim 18, wherein the caudal blade is coupled to the shaft by a second blade arm, the second blade arm being rotatable relative to the shaft, the second blade arm including a second flange and a second lever that is pivotable relative to the second flange to facilitate rotation of the second blade arm about an axis defined by the second blade arm. 20. A surgical system comprising: a dilator engageable with tissue of a body adjacent a spine; anda surgical instrument including an element connectable with a fixture, a first arm independently movable relative to the element and including first and second blades engageable with tissue of a cranial-caudal portion of an incision relative to the body, a second arm independently movable relative to the element and including a blade engageable with tissue of an anterior portion of the incision, and a third arm independently movable relative to the element and including a blade engageable with tissue of a posterior portion of the incision, the first arm comprising a housing having the first blade and a shaft slidably disposed in the housing, the shaft including a first blade arm that is coupled to the second blade, the shaft defining a longitudinal axis, the second blade being coupled to the shaft by a second blade arm such that the second blade is prevented from translating relative to the shaft along the longitudinal axis, the first blade arm including a flange and a lever that is pivotable relative to the flange to facilitate rotation of the first blade arm about an axis defined by the first blade arm, the second blade arm including a flange and a lever that is pivotable relative to the flange to facilitate rotation of the second blade arm about an axis defined by the second blade arm,wherein the arms are disposable in a configuration to space tissue of the incision to define an oblique surgical pathway relative to a bilateral axis of the body, the element comprising a collar having a radially splined surface that rotatably engages a radially splined surface of a collar of the fixture to simultaneously rotate the members relative to the fixture, the element comprising a knob that is connected to the collar of the element, the knob being configured to force the splined surfaces into engagement to lock the element with the fixture.

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Surgical instrument and method of use

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Surgical instrument and method of use

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