logarithmic curve back decompression system

{"cid":"91194282","title":"Weightless Lower Back Decompression Equipment Non Linear Logarithmic Curve","imgUrl":"https:\/\/img.ismap.com\/nimg\/f6\/be\/a52db42893de0a16344f3fe84816-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"FEI LONG","Model Number":"FJZ-6500","Minimum Order Quantity":"1 pie","Delivery Time":"30days after receive your deposit","Certification":"CE ISO 13485 Letter Of Patent","Place of Origin":"Henan China","Payment Terms":"L\/C, T\/T","Supply Ability":"10 sets per month","Packaging Details":"Wooden Case","Name":"Spinal Stretch Decompression Device","Applicable symptoms":"Cervical disc herniation","Applicable place":"Hospital , Rehabilitation Department","Voltage":"220V\u00b122V","Frequency":"50Hz\u00b11Hz","Nature of the force":"Non-linear logarithmic curve"}}