A boot stirrup for use with a surgical table is provided. The boot stirrup includes a support arm, a surgical boot, and a lockable joint coupled to the support arm and the surgical boot. The support arm is configured to couple to a surgical table for movement about a plurality of axes relative to th
A boot stirrup for use with a surgical table is provided. The boot stirrup includes a support arm, a surgical boot, and a lockable joint coupled to the support arm and the surgical boot. The support arm is configured to couple to a surgical table for movement about a plurality of axes relative to the surgical table. The surgical boot is configured to support and/or immobilize the foot and leg of the patient. The lockable joint is configured to selectively permit movement of the surgical boot relative to the support arm.
대표청구항▼
1. A boot stirrup for use during surgery, the boot stirrup comprising a support arm having a longitudinal axis,a surgical boot including a foot support portion formed to support a foot of a patient and a boot handle fixed to the foot support portion, the boot handle extending from a heel support reg
1. A boot stirrup for use during surgery, the boot stirrup comprising a support arm having a longitudinal axis,a surgical boot including a foot support portion formed to support a foot of a patient and a boot handle fixed to the foot support portion, the boot handle extending from a heel support region of the surgical boot, anda lockable joint coupled to the support arm and coupled to the surgical boot, the lockable joint being configured to move between an unlocked position in which the lockable joint permits movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm and a locked position in which the lockable joint blocks movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm, and the lockable joint includes a release lever configured to move relative to the boot handle to unlock the lockable joint, wherein the release lever includes a grip portion that is spaced from the boot handle when the lockable joint is in the locked position and that is adjacent to and in aligned, side-by-side, substantially parallel registry with the boot handle when the lockable joint is in the unlocked position. 2. The boot stirrup of claim 1, wherein the lockable joint has a lever axis and the release lever is pivotable about the lever axis between a first orientation in which the release lever is spaced apart from the boot handle and a second orientation in which the release lever is adjacent to the boot handle. 3. The boot stirrup of claim 2, wherein the lockable joint is in the locked position when the release lever is in the first orientation and in the unlocked position when the release lever is in the second orientation. 4. The boot stirrup of claim 1, wherein the lockable joint further includes an arm clamp arranged around the support arm and a clamp actuator coupled to the arm clamp, the clamp actuator includes a clamp rod and an actuator unit configured to move the clamp rod relative to the arm clamp between a first position in which the clamp rod engages the arm clamp to cause the arm clamp to be in a closed position and a second position in which the clamp rod disengages the arm clamp to cause the arm clamp to be in an open position. 5. The boot stirrup of claim 4, wherein the lockable joint includes a transverse axis that is generally perpendicular to the longitudinal axis and the clamp rod extends along the transverse axis. 6. The boot stirrup of claim 4, wherein the lockable joint includes a transverse axis and a lever axis that is spaced apart from and generally parallel with the transverse axis, the clamp rod extends along the transverse axis, and the release lever is pivotable about the lever axis. 7. The boot stirrup of claim 4, wherein the actuator unit includes a spacer assembly, the clamp rod is coupled to the spacer assembly, and the spacer assembly is movable between an expanded position in which the spacer assembly causes the clamp rod to engage the arm clamp to move the arm clamp to the closed position and a compressed position in which the spacer assembly causes the clamp rod to disengage the arm clamp to move the arm clamp to the open position. 8. The boot stirrup of claim 7, wherein the actuator unit further includes a first slide plate coupled to the spacer assembly and configured to move between a first position in which the first slide plate moves the spacer assembly into the expanded position and a second position in which the first slide plate moves the spacer assembly into the compressed position. 9. The boot stirrup of claim 8, wherein the first slide plate includes an upper surface, a lower surface spaced apart from the upper surface, and a sidewall extending between the upper and lower surfaces to form a slot having a narrow end and a wide end, a portion of the spacer assembly extends into the slot and engages the sidewall at the wide end of the slot to cause the spacer assembly to be in the expanded position when the first slide plate is in the in the first position, and the portion of the spacer assembly engages the sidewall at the narrow end of the slot to cause the spacer assembly to be in the compressed position when the first slide plate is in the in the second position. 10. The boot stirrup of claim 7, wherein the lockable joint includes a transverse axis, the actuator unit further includes a first slide plate, the spacer assembly includes a first spacer, a second spacer, and a bias member, the first and second spacers are aligned with the transverse axis, the clamp rod extends through the first and second spacers and is coupled to the first spacer for movement therewith, the bias member is configured to bias the first spacer away from the second spacer to cause the first spacer and the clamp rod to move away from the second spacer to cause the clamp rod to engage the arm clamp and move the arm clamp to the closed position when the lockable joint is in the locked position, and the first slide plate is configured to engage the first and second spacers to cause the first spacer and the clamp rod to move toward the second spacer to cause the clamp rod to disengage the arm clamp and move the arm clamp to the open position when the lockable joint is in the unlocked position. 11. The boot stirrup of claim 1, wherein the grip portion is pulled toward the boot handle to unlock the lockable joint. 12. The boot stirrup of claim 11, wherein the grip portion is located beneath the boot handle and is pulled upwardly toward the boot handle to unlock the lockable joint. 13. The boot stirrup of claim 12, wherein the boot handle and the grip portion of the release lever are configured to be gripped together by a user's hand when the lockable joint is unlocked. 14. The boot stirrup of claim 1, wherein the boot handle and the heel support region of the surgical boot are formed monolithically. 15. A boot stirrup for use during surgery, the boot stirrup comprising a support arm having a longitudinal axis,a surgical boot including a foot support portion formed to support a foot of a patient and a boot handle fixed to the foot support portion, anda lockable joint coupled to the support arm and coupled to the surgical boot, the lockable joint being configured to move between an unlocked position in which the lockable joint permits movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm and a locked position in which the lockable joint blocks movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm, and the lockable joint includes a release lever configured to move relative to the boot handle to unlock the lockable joint,wherein the lockable joint further includes an arm clamp arranged around the support arm and a clamp actuator coupled to the arm clamp, the clamp actuator includes a clamp rod and an actuator unit configured to move the clamp rod relative to the arm clamp between a first position in which the clamp rod engages the arm clamp to cause the arm clamp to be in a closed position and a second position in which the clamp rod disengages the arm clamp to cause the arm clamp to be in an open position,wherein the actuator unit includes a spacer assembly, the clamp rod is coupled to the spacer assembly, and the spacer assembly is movable between an expanded position in which the spacer assembly causes the clamp rod to engage the arm clamp to move the arm clamp to the closed position and a compressed position in which the spacer assembly causes the clamp rod to disengage the arm clamp to move the arm clamp to the open position, andwherein the actuator unit further includes a first slide plate coupled to the spacer assembly and configured to move between a first position in which the first slide plate moves the spacer assembly into the expanded position and a second position in which the first slide plate moves the spacer assembly into the compressed position. 16. The boot stirrup of claim 15, wherein the first slide plate includes an upper surface, a lower surface spaced apart from the upper surface, and a sidewall extending between the upper and lower surfaces to form a slot having a narrow end and a wide end, a portion of the spacer assembly extends into the slot and engages the sidewall at the wide end of the slot to cause the spacer assembly to be in the expanded position when the first slide plate is in the in the first position, and the portion of the spacer assembly engages the sidewall at the narrow end of the slot to cause the spacer assembly to be in the compressed position when the first slide plate is in the in the second position. 17. A boot stirrup for use during surgery, the boot stirrup comprising a support arm having a longitudinal axis,a surgical boot including a foot support portion formed to support a foot of a patient and a boot handle fixed to the foot support portion, anda lockable joint coupled to the support arm and coupled to the surgical boot, the lockable joint being configured to move between an unlocked position in which the lockable joint permits movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm and a locked position in which the lockable joint blocks movement of the surgical boot along the longitudinal axis relative to the support arm and rotation of the surgical boot about the longitudinal axis relative to the support arm, and the lockable joint includes a release lever configured to move relative to the boot handle to unlock the lockable joint,wherein the lockable joint further includes an arm clamp arranged around the support arm and a clamp actuator coupled to the arm clamp, the clamp actuator includes a clamp rod and an actuator unit configured to move the clamp rod relative to the arm clamp between a first position in which the clamp rod engages the arm clamp to cause the arm clamp to be in a closed position and a second position in which the clamp rod disengages the arm clamp to cause the arm clamp to be in an open position,wherein the actuator unit includes a spacer assembly, the clamp rod is coupled to the spacer assembly, and the spacer assembly is movable between an expanded position in which the spacer assembly causes the clamp rod to engage the arm clamp to move the arm clamp to the closed position and a compressed position in which the spacer assembly causes the clamp rod to disengage the arm clamp to move the arm clamp to the open position, andwherein the lockable joint includes a transverse axis, the actuator unit further includes a first slide plate, the spacer assembly includes a first spacer, a second spacer, and a bias member, the first and second spacers are aligned with the transverse axis, the clamp rod extends through the first and second spacers and is coupled to the first spacer for movement therewith, the bias member is configured to bias the first spacer away from the second spacer to cause the first spacer and the clamp rod to move away from the second spacer to cause the clamp rod to engage the arm clamp and move the arm clamp to the closed position when the lockable joint is in the locked position, and the first slide plate is configured to engage the first and second spacers to cause the first spacer and the clamp rod to move toward the second spacer to cause the clamp rod to disengage the arm clamp and move the arm clamp to the open position when the lockable joint is in the unlocked position.
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