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1. WO2020142560 - SUPPLEMENTARY COLLISION DETECTION AND PREVENTION SYSTEM FOR A MEDICAL IMAGER

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[ EN ]

WHAT IS CLAIMED IS:

1. A supplementary collision detection and prevention system (110) for use in combination with medical imaging equipment which comprises a native anti-collision mechanism having native sensors and an add-on system that limits the functionality of the native anti-collision mechanism, the supplementary collision detection and prevention system comprising:

a plurality of supplemental sensors being any one of a proximity sensor (141) and/or contact sensor (121), and/or an inertial motion sensor (131), and/or an operator detection sensor (161), and/or an electrical current sensor (151) configured to facilitate prevention or protection from collision with an entity; and

an interface configured to receive communication from at least one of the plurality of supplemental sensors and to transmit a signal that actuates an anti-collision operation of the medical imaging equipment, and/or actuates said add-on system thereof, to avoid or mitigate a collision.

2. The system of claim 1, wherein the interface communicates with the native anti-collision mechanism of the medical imaging equipment, and/or with a trigger mechanism of the system that actuates at least one of the native sensors.

3. The system of claim 1, further comprising a command controller configured to actuate an anti-collision operation of the add-on system or of the medical imaging equipment.

4. The system of claim 1, wherein the add-on system is a radiation blocking shield and wherein at least one of the supplemental sensors is associated with the radiation blocking shield.

5. The system of claim 4, wherein the radiation blocking shield extends from a radiation shield support base and wherein said support base includes one or more of the plurality of supplemental sensors.

6. The system of claim 4, wherein the radiation shield is a retractable shield that is configured to retract in response to said signal.

7. The system of claim 1, wherein at least one of the plurality of supplemental sensors is selected from the group consisting of: a pressure sensor; a strain sensor; an infrared sensor; an ultrasonic sensor; an ultrasound sensor; a laser sensor; a radio frequency sensor; an electro-optic sensor; and a thermal sensor, of any combination thereof.

8. The system of claim 1, wherein the electrical motor-current sensor is configured to measure electrical current consumption in one more units of the medical imaging equipment and detect operation thereof that may lead to collision with the entity.

9. The system of claim 1, wherein the operator detection sensor is configured to detect an activity by an operator that can lead to collision with the entity.

10. The system of claim 1, wherein the operator detection sensor is associated with a foot pedal or an operation control panel of the medical imaging equipment.

11. The system of claim 1, wherein the operator detection sensor is selected from the group consisting of a proximity sensor; a contact sensor; an infra-red sensor; an optic sensor; and a combination thereof.

12. The system of claim 1, wherein the inertial motion sensor is an accelerometer or a gyroscopic sensor.

13. The system of claim 1, wherein the inertial motion sensor is configured to detect movement of a moving part of the medical imaging equipment.

14. The system of claim 1, wherein the entity is a patient, a patient table, an operator or a piece of medical imaging equipment.

15. A radiation shielding apparatus comprising

at least one radiation blocking shield positioned around an X-ray source or an X-ray detector of a medical imaging equipment; wherein the medical imaging equipment comprises a native anti-collision detection mechanism including at least one native sensor; and

a supplementary collision detection and prevention system configured to avoid collision of an entity with the X-ray source, X-ray detector, and/or X-ray radiation shield, the supplementary collision detection and prevention system comprising:

a plurality of supplemental sensors being any one of a proximity sensor and/or contact sensor, and/or an inertial motion sensor, and/or an operator detection sensor, and/or an electrical current sensor configured to facilitate prevention or protection from collision with said entity; and

a command controller configured to receive communication from the supplemental sensors and mechanically and/or electrically actuate an anti-collision operation of the medical imaging equipment and/or radiation shielding apparatus, to avoid or mitigate a collision.

16. The system of claim 15, further comprising a mechanical trigger configured to actuate at least one of the native sensors in response to said mechanical and/or electrical operation, thereby activating the native anti-collision mechanism of the medical imaging equipment.

17. The system of claim 15, wherein said electrical anti-collision operation includes an electrical trigger that actuates the native anti-collision mechanism.

18. The system of claim 15, wherein at least one of the supplemental sensors is associated with the radiation blocking shield.

19. The system of claim 15, wherein the radiation blocking shield extends from a radiation shield support base and wherein said support base includes one or more of the supplemental sensors.

20. The system of claim 15, wherein the radiation shield or a portion thereof is configured to retract in response to said electrical an anti-collision operation.

21. The system of claim 15, wherein at least one of the supplemental sensors is a sensor selected from the group consisting of: a pressure sensor; a strain sensor; an infrared sensor; an ultrasonic sensor; an ultrasound sensor; a laser sensor; a radio frequency sensor; an electro-optic sensor; and a thermal sensor, or any combination thereof.

22. The system of claim 15, wherein the electrical current sensor is configured to measure electrical current consumption in one more units of the medical imaging equipment and detect operation thereof that may lead to collision with the entity.

23. The system of claim 15, wherein the operator detection sensor is configured to detect an activity by an operator that can lead to collision with the entity.

24. The system of claim 15, wherein the operator detection sensor is associated with a foot pedal or an operation control panel of the medical imaging equipment.

25. The system of claim 15, wherein the operator detection sensor is selected from the group consisting of a proximity sensor; a contact sensor; an infra-red sensor; an optic sensor; and a combination thereof.

26. The system of claim 15, wherein the inertial motion sensor is a gyroscopic sensor.

27. The system of claim 15, wherein the inertial motion sensor is disposed on the radiation blocking shield, and/or the X-ray source and/or the X-ray detector.

28. The system of claim 15, wherein the entity is a patient, a patient table, an operator or a piece of C-arm equipment.

29. A method of detecting and/or avoiding a collision of a moveable portion of a piece of medical imaging equipment which comprises a native anti-collision mechanism and a radiation blocking shield or an auxiliary apparatus that limits the

functionality of native anti-collision sensors of the native anti-collision mechanism, the method comprising:

sensing proximity and/or contact with an entity, and/or detecting an operator action, and/or sensing an electrical current of the medical imaging equipment, and/or the radiation blocking shield, and/or the auxiliary apparatus;

communicating the sensing to a command controller of the radiation blocking shield or auxiliary apparatus; and

mechanically and/or electrically actuating an anti-collision operation of the medical imaging equipment, radiation blocking shield, and/or auxiliary apparatus, to avoid or mitigate a collision.

30. The method of claim 29, further comprising mechanically triggering at least one of the native sensors in response to said mechanical and/or electrical operation.

31. The method of claim 29, further comprising transmitting a signal to an electrical trigger that actuates the native anti-collision mechanism.

32. The method of claim 29, wherein actuating the anti-collision operation comprises retracting the radiation blocking shield.

33. The method of claim 29, further comprising stopping or slowing the moveable portion of the medical imaging equipment.