Active drive mechanism with finite range of motion
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-025/01
A61B-019/00
A61B-017/00
출원번호
US-0838777
(2013-03-15)
등록번호
US-9408669
(2016-08-09)
발명자
/ 주소
Kokish, Arkady
Hart, J. Scot
Yu, Alan
Romo, Enrique
출원인 / 주소
HANSEN MEDICAL, INC.
대리인 / 주소
Dorsey & Whitney LLP
인용정보
피인용 횟수 :
8인용 특허 :
150
초록▼
Various exemplary drive apparatuses and associated methods are disclosed for driving an elongated member, e.g., a catheter, sheath, or guidewire. An exemplary drive apparatus may include a first component and a moveable component, each configured to selectively grip the elongated member. In some exa
Various exemplary drive apparatuses and associated methods are disclosed for driving an elongated member, e.g., a catheter, sheath, or guidewire. An exemplary drive apparatus may include a first component and a moveable component, each configured to selectively grip the elongated member. In some examples, the first and moveable components may each include a gripping device. The moveable component may be configured to selectively move axially and rotationally with respect to a support surface to effect axial movement and rotation movement, respectively, of the elongated member with respect to the support surface within a range of motion of the moveable component. The moveable component may be configured to move the elongated member across a predetermined movement having a magnitude greater than the range of motion.
대표청구항▼
1. A drive apparatus for driving an elongate member into a patient, the drive apparatus comprising: a first component mounted to, and fixed rotationally and axially relative to, a support structure and configured to selectively grip the elongate member; anda second movable component mounted to, but
1. A drive apparatus for driving an elongate member into a patient, the drive apparatus comprising: a first component mounted to, and fixed rotationally and axially relative to, a support structure and configured to selectively grip the elongate member; anda second movable component mounted to, but movable with respect to, the support structure, the second movable component comprising a pair of opposing pads configured to selectively grip and move the elongate member, wherein the pair of opposing pads is axially movable with respect to the support structure to effect axial movement of the elongate member, and wherein the opposing pads are translatable with respect to one another across a limited range of translational motion to effect rotational movement of the elongate member. 2. The drive apparatus of claim 1, wherein the second movable component is configured to simultaneously impart an axial movement and a rotational movement to the elongate member. 3. The drive apparatus of claim 1, wherein the first component comprises an additional pair of opposing pads, wherein the pair of opposing pads of the second component and the additional pair of opposing pads of the first component are each configured to clamp the elongate member therebetween, wherein each of the opposing pads defines an axial length and an axial height, and wherein each of the pairs of opposing pads positioned to open such that a length of the elongate member aligned generally parallel to the axial length of the opposing pads may be loaded into the drive apparatus between the open opposing pads from a direction generally perpendicular to the axial length of the opposing pads. 4. The drive apparatus of claim 1, wherein the opposing pads include a convex contact surface. 5. The drive apparatus of claim 1, wherein the first component and the second movable component are configured to cooperate to continuously grip the elongate member while simultaneously moving the elongate member axially with respect to the support surface. 6. The drive apparatus of claim 1, wherein the second movable component is configured to travel axially with respect to the first component over a maximum axial stroke length; and wherein the first component and the second movable component are configured to cooperate to continuously grip the elongate member while simultaneously moving the elongate member with respect to the first component through a first distance axially, wherein the first distance is greater than the maximum axial stroke length. 7. The drive apparatus of claim 1, wherein the first component and the second movable component are configured to cooperate to continuously grip the elongate member while simultaneously rotating the elongate member with respect to the support surface. 8. The drive apparatus of claim 1, wherein the second movable component is configured to rotate with respect to the first component over a maximum radial stroke angle; and wherein the first component and the second movable component are configured to cooperate to continuously grip the elongate member while simultaneously rotating the elongate member with respect to the first component through a first angle, wherein the first angle is greater than the maximum radial stroke angle. 9. The drive apparatus of claim 1, further comprising a disposable portion defining a sterile barrier positioned between the first component and the second movable component and the elongate member. 10. The drive apparatus of claim 1, wherein the drive apparatus is configured to detect a slipping of the elongate member with respect to a drive command. 11. A drive apparatus for driving an elongate member into a patient, the drive apparatus comprising: an elongate member;a first gripping device fixed rotationally and axially with respect to a support surface, the first gripping device configured to selectively grip the elongate member; anda second gripping device mounted to the support surface for rotation and axial travel with respect to the support surface, the second gripping device comprising a pair of opposing gripping pads configured to selectively grip the elongate member and selectively move axially together with respect to the support surface and translationally relative to each other to effect axial movement and rotational movement, respectively, of the elongate member with respect to the support surface, the second gripping device being confined to a range of motion;wherein the second gripping device is configured to move the elongate member a distance having a magnitude greater than the range of motion. 12. The drive apparatus of claim 11, wherein the second gripping device is configured to rotate the elongate member with respect to the support surface and move the elongate member axially with respect to the support surface simultaneously. 13. The drive apparatus of claim 11, wherein each of the opposing gripping pads defines an axial length and an axial height, and wherein the opposing gripping pads are positioned to open such that a length of the elongate member aligned generally parallel to the axial length ofthe opposing gripping pads may be loaded into the drive apparatus between the open opposing gripping pads from a direction generally perpendicular to the axial length of the opposing gripping pads. 14. The drive apparatus of claim 11, wherein the first and second gripping devices are configured to cooperate to continuously grip the elongate member while simultaneously moving the elongate member axially with respect to the support surface. 15. The drive apparatus of claim 14, wherein the second gripping device is configured to travel axially with respect to the support surface over a maximum axial stroke length; and wherein the first and second gripping devices are configured to cooperate to continuously grip the elongate member while simultaneously moving the elongate member through a first distance axially with respect to the support surface, the first distance greater than the maximum axial stroke length. 16. The drive apparatus of claim 11, wherein the first and second gripping devices are configured to cooperate to continuously grip the elongate member while simultaneously rotating the elongate member with respect to the support surface. 17. The drive apparatus of claim 16, wherein the second gripping device is configured to rotate with respect to the support surface over a maximum radial stroke angle; and wherein the first and second gripping devices are configured to cooperate to continuously grip the elongate member while simultaneously rotating the elongate member with respect to the support surface through a first angle, the first angle greater than the maximum radial stroke angle. 18. The drive apparatus of claim 11, wherein the elongate member includes one of a catheter sheath or a guide wire.
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