Closure device, deployment apparatus, and method of deploying a closure device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-019/00
A61B-017/00
출원번호
US-0917979
(2010-11-02)
등록번호
US-8876861
(2014-11-04)
발명자
/ 주소
Green, Stephen M.
Fairman, Brian
Brodt, Herbert F.
Boger, David K.
출원인 / 주소
Transluminal Technologies, Inc.
대리인 / 주소
McGuire, George R.
인용정보
피인용 횟수 :
0인용 특허 :
87
초록▼
The present invention relates a closure device implant for sealing an opening formed through biological tissue including a plug, a rigid wire including a plastically deformable portion configurable between an unrestrained position and a restrained position relative to the plug, wherein a distal end
The present invention relates a closure device implant for sealing an opening formed through biological tissue including a plug, a rigid wire including a plastically deformable portion configurable between an unrestrained position and a restrained position relative to the plug, wherein a distal end of the wire is substantially spherically shaped, and a footplate attached to the wire, wherein the footplate comprises an elongated plate portion including a wire channel. The present invention also relates to a closure device deployment device including an elongated housing, a sheath assembly connected to the housing, and at least two sliding members slidably connected to the housing.
대표청구항▼
1. A closure device deployment device comprising: an elongated housing extending along a longitudinal axis;a sliding member comprising a first portion connected to the inside of the housing, and slidable within the housing between a first position and a second position in the proximal direction alon
1. A closure device deployment device comprising: an elongated housing extending along a longitudinal axis;a sliding member comprising a first portion connected to the inside of the housing, and slidable within the housing between a first position and a second position in the proximal direction along the longitudinal axis upon the application of a first force in the proximal direction, and a second portion extending outside of the housing and along a plane that is perpendicular to the longitudinal axis;a sheath assembly extending along the longitudinal axis comprising a proximal end which is connected to a distal end of said first portion of said sliding member, wherein said sheath is moveable in the proximal direction along the longitudinal axis upon the application of the first force on said sliding member;a rigid wire extending along the longitudinal axis and connected at a proximal end to said housing;a footplate connected to the a distal end of said wire and extending along a plane that is parallel to the longitudinal axis, and structured to be within the distal end of said sheath assembly when the sliding member is in the first position, and outside of the sheath assembly when the sliding member is in the second position;a skin flange extending along the longitudinal axis, connected to the outside of the housing, and slidable in the distal direction along the housing between a first position and a second position; anda skin flange locking feature structured to lock said skin flange in the first position, wherein said sliding member is structured to release said skin flange from said skin flange locking feature per proximal movement of said sliding member allowing said skin flange to slide in the distal direction, wherein a distal end of the skin flange is structured to contact the surface of the skin in the second position, and while the skin flange is in the second position against a patient's skin surface and said footplate is within a patient's blood vessel during use of the closure device deployment device, a predetermined constant proximal force seats the footplate against an inside wall of the blood vessel. 2. The closure device deployment device of claim 1, wherein said sliding member further comprises guide rails within the housing to facilitate movement of said sliding member in the proximal direction. 3. The closure device deployment device of claim 2, wherein said elongated housing further comprises a housing locking feature which locks said sliding member in place with respect to said housing when said sliding member is in the second position. 4. The closure device deployment device of claim 3, further comprising a skin flange spring attached to said skin flange and structured to exert a force on the skin flange in the distal direction. 5. The closure device deployment device of claim 4, wherein said skin flange spring is structured to actuate the skin flange to slide in the distal direction to the second position upon the exertion the force on the skin flange in the distal direction after the skin flange is released from the skin flange locking feature. 6. The closure device deployment device of claim 5, wherein said skin flange spring is a constant force spring. 7. The closure device deployment device of claim 6, wherein the distal end of the skin flange further comprises a chin feature structured to displace and reorient a plane of a portion of the patient's skin during use of the closure device deployment device. 8. The closure device deployment device of claim 7, wherein said chin feature is structured to displace and reorient the plane of a portion of the patient's skin such that the plane of a portion of the patient's skin is substantially perpendicular to said sheath assembly. 9. The closure device deployment device of claim 7, wherein said chin feature comprises an upper gripping feature and a lower gripping feature. 10. The closure device deployment device of claim 1, wherein said skin flange is coated with a biocompatible lubricant comprising a viscosity which allows the skin flange's sliding action to be damped as it moves along the distal direction. 11. A closure device deployment device comprising: an elongated housing extending along a longitudinal axis;a first sliding member comprising a first portion connected to the inside of the housing, and slidable within the housing between a first position and a second position in the distal direction along the longitudinal axis upon the application of a first force in the distal direction, and a second portion extending outside of the housing and along a plane that is perpendicular to the longitudinal axis;a rigid wire extending along the longitudinal axis and connected at a proximal end to said housing;a push tube extending along the longitudinal axis over the wire and positioned distally to the first portion of the first sliding member that is within the housing, wherein said push tube is movable over the wire in the distal direction from a first position to a second position along the longitudinal axis upon the application of the first force on said first sliding member;a plug comprising a proximal end and a distal end and positioned distally to said push tube over said wire, wherein said plug is movable over the wire in the distal direction from a first position to a second position along the longitudinal axis upon the application of the first force through said push tube by said first sliding member; anda force conduit mechanism positioned over said wire between the first sliding member and said push tube within the housing, and structured to maintain the distal first force ultimately applied to the plug at or below a predetermined force; a second sliding member comprising a first portion connected to the inside of the housing, and slidable within the housing between a first position and a second position in the proximal direction along the longitudinal axis upon the application of a second force in the proximal direction, and a second portion extending outside of the housing and along a plane that is perpendicular to the longitudinal axis; a sheath assembly extending along the longitudinal axis comprising a proximal end which is connected to a distal end of said first portion of said sliding member, wherein said sheath is moveable in the proximal direction along the longitudinal axis upon the application of the second force on said second sliding member; a footplate connected to a distal end of said wire and extending along a plane that is parallel to the longitudinal axis, and structured to be within the distal end of said sheath assembly when the second sliding member is in the first position, and outside of the sheath assembly when the second sliding member is in the second position; a skin flange extending along the longitudinal axis: connected to the outside of the housing: and slidable in the distal direction along the housing between a first position and a second position; and a skin flange locking feature structured to lock said skin flange in the first position, wherein said second sliding member is structured to release said skin flange from said skin flange locking feature per proximal movement of said second sliding member allowing said skin flange to slide in the distal direction; wherein a distal end of the skin flange is structured to contact the surface of the skin in the second position, and while the skin flange is in the second position against a patient's skin surface and said footplate is within a patient's blood vessel during use of the closure device deployment device, a predetermined constant proximal force seats the footplate against an inside wall of the blood vessel. 12. The closure device deployment device of claim 11, further comprising a first sliding member locking feature structured to lock said first sliding member in the first position. 13. The closure device deployment device of claim 12, wherein said second sliding member is structured to release said first sliding member from said first sliding member locking feature per proximal movement of said second sliding member allowing said first sliding member to slide in the distal direction upon the application of the first force in the distal direction. 14. The closure device deployment device of claim 12, wherein said sheath assembly is cylindrically shaped and comprises a curled annular wall having inner and outer free ends. 15. The closure device deployment device of claim 14, wherein the curled annular wall is structured to uncurl due to the passage of the plug therethrough as the plug travels in the distal direction upon application of the first force in the distal direction. 16. The closured device deployment device of claim 11, wherein said first sliding member comprises guide rails within the housing to facilitate movement of said first sliding member in the distal direction. 17. The closured device deployment device of claim 11, wherein said force conduit mechanism is an elastomeric spring. 18. The closure device deployment device of claim 11, wherein said push tube further comprises push tube tabs on the proximal end thereof comprising one or more flanges extending outside of the push tube and along a plane that is substantially perpendicular to the longitudinal axis, wherein the force conduit mechanism is structured to deform over the push tube tabs upon application of the a distal first force in order to maintain the distal first force ultimately applied to the plug at or below the predetermined force. 19. The closure device deployment device of claim 11, wherein the second position of said plug is where the plug meets sufficient resistance to prevent further distal movement. 20. The closure device deployment device of claim 11, further comprising a push tube locking feature structured to lock said push tube in the push tube's second position. 21. The closure device deployment device of claim 11, further comprising a cutter tube extending along the longitudinal axis and moveable along the distal direction upon the application of a third force. 22. The closure device deployment device of claim 21, further comprising a cutter lever assembly structured to rotate and per the rotational movement is structured to apply the third force and drive the cutter tube in a distal direction. 23. The closure device deployment device of claim 22, wherein said cutter lever assembly is structured to maintain a constant pressure angle between a contact pin on the cutter lever assembly and a cam insert on said second sliding member throughout its rotational movement. 24. The closure device deployment device of claim 23, wherein upon the application of the third force through the cutter lever assembly, the distal surface the cutter tube is structured to bend and shear the wire at a location proximal to the plug and at a predetermined angle. 25. The closure device deployment device of claim 24, wherein said bending and shearing is sufficient to create an implant construct comprising: a plastically deformed bend of the rigid wire that is positioned in secure engagement with the proximal end of said plug, and wherein the footplate remains attached to the wire portion that includes the bend and is positioned distally to the distal end of the plug.
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