It's hard to do a good job when you're in pain. And using pain killers is not how you want to live your life. The Human Hoist Power Shop Chair can allow you to stay at work and keep the paychecks coming.
Employers can often justify the cost of Human Hoist as a risk-mitigation tool. By preventing further injury, insurance premium increases can be avoided.
Your doctor may be able to help you obtain an assistive device such as Human Hoist so you can keep your job.
Each state has a vocational rehabilitation office that has access to funds to help keep you on your job.