An apparatus comprising a torque wire connected to an imaging probe; and a torque limiter defining a bore, a first end of the torque limiter being in mechanical communication with a motor, a second end of the torque limiter being in mechanical communication with the torque wire, the torque wire bein
An apparatus comprising a torque wire connected to an imaging probe; and a torque limiter defining a bore, a first end of the torque limiter being in mechanical communication with a motor, a second end of the torque limiter being in mechanical communication with the torque wire, the torque wire being disposed through the bore of the torque limiter. The torque limiter comprises a member defining at least one cutout which causes the torque limiter to break when rotational force on the torque wire exceeds a predetermined amount, thereby decoupling the motor from the torque wire.
대표청구항▼
1. An apparatus comprising: a torque limiter comprising a wall, a first end, and a second end, the torque limiter defining a first bore, the wall defining a first cutout;a tube disposed within the first bore, the tube attached to the first end;a spacer adjacent to the tube and disposed within the fi
1. An apparatus comprising: a torque limiter comprising a wall, a first end, and a second end, the torque limiter defining a first bore, the wall defining a first cutout;a tube disposed within the first bore, the tube attached to the first end;a spacer adjacent to the tube and disposed within the first bore;a torque wire attached to the second end; andan optical fiber disposed within a second bore defined by the torque wire,the first cutout disposed above a junction defined by an arrangement of the tube and the spacer, the torque limiter configured to break when a rotational force on the torque wire exceeds a predetermined amount. 2. The apparatus of claim 1, wherein the torque limiter has a shear region. 3. The apparatus of claim 1, wherein the spacer is cylindrical. 4. The apparatus of claim 1, wherein a second bore defined by the spacer is in concentric alignment with a third bore defined by the tube. 5. The apparatus of claim 1, wherein the spacer and the tube are separated by a gap. 6. The apparatus of claim 1, wherein the torque wire extends through the first bore. 7. The apparatus of claim 1, wherein the wall defines a second cutout. 8. The apparatus of claim 1, wherein the rotational force transferred to the torque wire is transferred from the torque limiter having received the rotational force from the tube. 9. The apparatus of claim 1, wherein the tube comprises metal. 10. The apparatus of claim 1, wherein the spacer is configured to reduce flexure of the torque limiter. 11. The apparatus of claim 1, wherein the torque limiter comprises poly(ethylene terephthalate). 12. The apparatus of claim 11, wherein the poly(ethylene terephthalate) has a fracture strength of about 0.05 oz-in. 13. An apparatus comprising: a torque limiter comprising a wall, a first end, and a second end, the torque limiter defining a first bore, the wall defining a first cutout;a tube disposed within the first bore, the tube attached to the first end;a spacer adjacent to the tube and disposed within the first bore, wherein a second bore defined by the spacer is in concentric alignment with a third bore defined by the tube; anda torque wire attached to the second end,the first cutout disposed above a junction defined by an arrangement of the tube and the spacer, the torque limiter configured to break when a rotational force on the torque wire exceeds a predetermined amount. 14. The apparatus of claim 13, wherein the torque limiter has a shear region. 15. The apparatus of claim 13, wherein the spacer is cylindrical. 16. The apparatus of claim 13, wherein the torque wire extends through the first bore. 17. The apparatus of claim 13, wherein the tube comprises metal. 18. The apparatus of claim 13, wherein the torque limiter comprises poly(ethylene terephthalate). 19. The apparatus of claim 18, wherein the poly(ethylene terephthalate) has a fracture strength of about 0.05 oz-in.
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