Procedure to ask the court to order medical examination

I filed a case against husband and some family members. Section 377 was also in FIR. I went to the government hospital but they denied doing my medical. They said, they need orders from either police or court to do my medical. Sir, My husband and other members have bribed police and Due to certainty of a positive result in medical, Police is not supporting me and not giving orders to do medical and is hell bent upon removing Section 377 IPC from the chargesheet filed. Sir, in the absence of police report, Please suggest how to ask court to order for getting my medical done ??