| 摘要 |
In a patient-carrying device comprising a primary patient manipulation mechanism for moving a patient and a patient harness, the improvement comprises a patient lowering device positioned intermediate the harness and the primary patient manipulation mechanism, comprising (1) an extendable patient bearing means for bearing the weight of the patient and (2) an actuator, coupled to the patient bearing means for actuating the patient bearing means, whereby, if the primary mechanism malfunctions or is unavailable while the patient is being transported, the patient can be lowered to a chair, a bed or the ground by means of the patient lowering device.
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