IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0338471
(2008-12-18)
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등록번호 |
US-8641598
(2014-02-04)
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발명자
/ 주소 |
- Green, II, Harry Leonard
- Tanaka, Jon M.
- Pineda, Edward A.
- Morejohn, Dwight P.
- Lau, Liming
- Lunsford, John P
- Mosley, Robert
- Wallin, Joshua
- Corbin, Iris Leon
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출원인 / 주소 |
- Maquet Cardiovascular LLC
|
대리인 / 주소 |
Law Office of Alan W Cannon
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인용정보 |
피인용 횟수 :
3 인용 특허 :
235 |
초록
▼
Organ manipulation devices for atraumatically grasping the surface of an organ and repositioning the organ to allow access to a location on the organ that would otherwise be substantially inaccessible. Methods of accessing a beating heart, retracting the heart using an organ manipulation apparatus,
Organ manipulation devices for atraumatically grasping the surface of an organ and repositioning the organ to allow access to a location on the organ that would otherwise be substantially inaccessible. Methods of accessing a beating heart, retracting the heart using an organ manipulation apparatus, and stabilizing a surgical target area with a stabilizer. Both the organ manipulator and stabilizer are fixed to a stationary object which may be a sternal retractor. A system for performing beating heart coronary artery bypass grafting includes a sternal retractor, organ manipulator and stabilizer.
대표청구항
▼
1. An organ manipulation apparatus comprising: a suction member comprising a shaft, wherein the suction member is configured to exert sufficient force on an organ to move the organ when the suction member is placed against the organ, a relative negative pressure is established in a space between the
1. An organ manipulation apparatus comprising: a suction member comprising a shaft, wherein the suction member is configured to exert sufficient force on an organ to move the organ when the suction member is placed against the organ, a relative negative pressure is established in a space between the suction member and the organ, and the suction member is moved;a support structure capable of being substantially rigidly fixed to a relatively immovable object; anda suspension interconnecting said suction member and said support structure, said suspension allowing at least a limited amount of rotation of said suction member with respect to said support structure to accommodate natural movements of the organ;wherein said suspension comprises a roller rotatably mounted to a base member and coupled to the shaft, said roller comprising an elongated body with a longitudinal axis of rotation substantially perpendicular to a length of said shaft. 2. The apparatus of claim 1 wherein said suspension further allows a limited amount of translation of said suction member, in a direction along an axis of said shaft, with respect to said support structure. 3. The apparatus of claim 1, further comprising a tubular member in fluid connection with said suction member, wherein the tubular member is adapted to fluidly connect said suction member with a vacuum source. 4. The apparatus of claim 3, wherein the tubular member is a flexible tubular member, and a spring is located along a length of said flexible tubular member. 5. The apparatus of claim 1, wherein the support structure includes an articulating arm capable of assuming a flexible state and a rigid state, said articulating arm comprising a cable; a plurality of depression disks and balls alternatively threaded over said cable, each of said depression disks comprising a pair of concave surfaces adapted to engage a pair of said balls; and a tensioning mechanism adapted to apply tension to said cable, wherein upon application of tension to said cable, said balls and depression disks are compressed against one another and said articulating arm assumes said rigid state. 6. The apparatus of claim 1, wherein said suction member is configured as a cup, said cup comprising an inside surface and an outside surface and a periphery for contacting a surface of the organ, wherein at least a portion of said periphery is lined with foam to form a seal with a surface of the organ. 7. The apparatus of claim 1, wherein said suction member comprises a silicone cup and a foam member located within an interior surface of the silicone cup. 8. The apparatus of claim 1, wherein said suction member comprises a cup formed from an air impermeable material, a first foam layer adjacent an inner surface of the cup; a second foam layer adjacent a periphery of said cup; and a tube in fluid communication with said first foam layer. 9. The apparatus of claim 1, wherein said suction member is constructed from an air impermeable material and has a concave configuration comprising an inner surface and an outer surface, wherein the suction member has at least one opening therethrough for fluidly connecting a vacuum tube to said inner surface, and a foam member adjacent said inner surface and surrounding said vacuum tube. 10. The apparatus of claim 1, wherein said suction member comprises a compliant seal within a perimeter thereof, said compliant seal comprising a substantially flat flange and being deformable to conform to the shape of a surface of the organ upon contact therewith. 11. The apparatus of claim 1, wherein the base member is configured as a clevis and connected to the support structure. 12. The apparatus of claim 1, wherein base member comprises two arms spaced apart from one another and wherein the roller is rotatably connected to the two arms. 13. The apparatus of claim 1, wherein the suction member comprises three degrees of freedom, such that the suction member is movable in three different directions with respect to the support structure. 14. The apparatus of claim 1, wherein the suction member is spring biased to allow translation of the suction member in a direction along the axis of the shaft. 15. The apparatus of claim 14, wherein a spring is located about the shaft to allow translation of the suction member in a direction along the axis of the shaft. 16. The organ manipulation apparatus of claim 1, further comprising friction enhancing features located on the base member that facilitate manipulation of the suspension allow the suspension. 17. An organ manipulation apparatus comprising: a suction member comprising a substantially rigid shaft, wherein the suction member is configured to exert sufficient force on an organ to move the organ when the suction member is placed against the organ, a relative negative pressure is established in a space between the suction member and the organ, and the suction member is moved;a support structure adapted to be substantially rigidly fixed to a relatively immovable object; anda suspension interconnecting said suction member and said support structure, said suspension allowing at least a limited amount of rotation of said suction member with respect to said support structure to accommodate natural movements of the organ;wherein said suspension comprises a roller rotatably mounted in a base member, said roller comprising an axis of rotation and a bore substantially perpendicular to said axis of rotation, said substantially rigid shaft being mounted in said bore. 18. A surgical method performed on a beating heart using a manipulation device, wherein the manipulation device comprises: a suction member comprising a shaft;a support arm; anda suspension interconnecting said suction member and said support arm, wherein said suspension comprises a roller, said roller comprising an elongated body with a longitudinal axis of rotation substantially perpendicular to a length of said shaft, andwherein the surgical method comprises the steps of:securing the suction member of the manipulation device to a surface of the heart through the use of suction;moving the suction member to retract the heart into a position that provides access to a surgical site that would be difficult or impossible to access without retraction; andfixing the support arm with respect to a stationary object, wherein the suspension permits at least limited translation of the heart and the suction member with respect to the support arm. 19. The method of claim 18, further comprising the steps of: contacting a surface of the heart with a stabilizer in the vicinity of a surgical target to stabilize the surgical target; andperforming a surgical procedure on the surgical target. 20. The method of claim 18, further comprising the step of adjusting a position of the suction member in three different directions with respect to the support arm. 21. The method of claim 18, wherein the step of securing involves securing the suction member to an apex portion of the heart. 22. A system useful for positioning a beating heart during a performance of beating heart coronary artery bypass grafting, said system comprising: an organ manipulation device, wherein the organ manipulation device comprises:a suction member comprising a shaft, wherein the suction member is configured to exert sufficient force on the beating heart to move the beating heart when the suction member is placed against a surface of the heart and a relative negative pressure is established in a space between the suction member and the heart;a support structure adapted to be substantially rigidly fixed to a relatively immovable object; anda suspension interconnecting said suction member and said support structure, said suspension allowing at least a limited amount of rotation of said suction member with respect to said support structure to accommodate natural movements of the beating heart,wherein said suspension comprises a roller rotatable mounted to a base member and coupled to the shaft in a manner such that the suction member comprises a rotational degree of freedom about an axis of the shaft and a translational degree of freedom in a direction along the axis of the shaft, said roller comprising an elongated body with a longitudinal axis of rotation substantially perpendicular to a length of said shaft. 23. The system of claim 22, further comprising a retractor, and wherein said support structure and said stabilizer are capable of being fixed to the retractor. 24. The system of claim 22, wherein the base member is configured as a clevis and connected to the support structure. 25. The system of claim 22, wherein the suction member comprises has three degrees of freedom, such that the suction member is movable in three different directions with respect to the support structure. 26. The system of claim 25, wherein the suction member further comprises a suction cup and wherein a spring is located about the shaft to allow translation of the suction cup in a direction along to the axis of the shaft. 27. The system of claim 22, wherein the suction member comprises three degrees of freedom such that it is movable in three different directions with respect to the support. 28. The system of claim 22, wherein the suction member further comprises a suction cup and wherein the suction member is spring biased to allow translation of the suction cup in a direction along the axis of the shaft. 29. A system for performing beating heart bypass grafting surgery, the system comprising: the heart positioning system of claim 22, anda stabilizer device comprising at least one contact member adapted to contact the beating heart at or adjacent a location where an anastomosis is to be performed. 30. An assembly useful for reversibly connecting to an organ during a surgical procedure to movably secure the organ with respect to a relatively immovable object, the assembly comprising: a suction member comprising a proximal portion, a lip and a sidewall extending therebetween, the suction member configured to exert a force on an organ when the suction member is placed against the organ and a relative negative pressure is established in a space between the suction member and the organ;a shaft extending proximally from the proximal portion of the suction member; anda suspension assembly, comprising:an end connector for attaching to a distal end of a support structure;a first arm extending distally from the end connector;a roller rotatably supported by the first arm and configured for slidably receiving the shaft to allow for translation of the shaft with respect to the roller, wherein the roller comprises an elongated body with a longitudinal axis of rotation substantially perpendicular to a length of the shaft; anda spring for maintaining a spring force between the suction member and the roller;wherein the suspension assembly allows at least a limited amount of rotation of said suction member with respect to said support structure to accommodate natural movements of the organ. 31. The assembly of claim 30, wherein the suspension assembly further comprises a second arm extending distally from the end connector, the roller rotatably supported by the second arm. 32. The assembly of claim 31, wherein the first arm and the second arm form a clevis structure. 33. The assembly of claim 31, wherein at least one of the first arm and second arm comprise friction enhancing features. 34. The assembly of claim 30, further comprising tubing connectable to a pressure source for establishing the relative negative pressure, wherein a proximal portion of the shaft is in fluid communication with the tubing. 35. An organ manipulation apparatus comprising: a suction member configured to exert sufficient force on an organ to move the organ when the suction member is placed against the organ, a relative negative pressure is established in a space between the suction member and the organ, and the suction member is moved;a support structure adapted to be inserted through a small opening in a body of a patient;a coupling member into which said support structure is fitted after insertion of said support structure through the small opening; anda flexible suspension interconnecting said suction member and said coupling member. 36. The apparatus of claim 35, wherein said flexible suspension comprises a flexible tubular member that allows a limited amount of translation of said suction member in a direction along an axis of said shaft, with respect to said support structure.
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