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                           January 20, 2022

       Jonathan Will McGuire
       Chief Executive Officer
       Ra Medical Systems, Inc.
       2070 Las Palmas Drive
       Carlsbad, CA 92011

                                                        Re: Ra Medical Systems,
Inc.
                                                            Registration
Statement on Form S-1
                                                            Filed January 14,
2022
                                                            File No. 333-262195

       Dear Mr. McGuire:

              This is to advise you that we have not reviewed and will not
review your registration
       statement.

               Please refer to Rules 460 and 461 regarding requests for
acceleration. We remind you
       that the company and its management are responsible for the accuracy and
adequacy of their
       disclosures, notwithstanding any review, comments, action or absence of
action by the staff.

                                                        Please contact Gary
Guttenberg at (202) 551-6477 with any questions.




                           Sincerely,


                           Division of Corporation Finance

                           Office of Life Sciences
       cc:                                              Martin Waters