Liability in robotic gyn surgery

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Legal considerations

Robotic surgery presents many legal issues and promises to raise many more in the future. The law must control new technology while encouraging productive uses, and provide new remedies for harms while respecting traditional legal principles.8 There is no shortage of good ideas about controlling surgical robots,9 automated devices more generally,10 and artificial intelligence.11 Those issues will be important, and watching them unfold will be intriguing.

In the meantime, physicians and other health care professionals, health care facilities, technology companies, and patients must work within current legal structures in implementing and using robotic surgery. These are extraordinarily complex issues, so it is possible only to review the current landscape and speculate what the near future may hold.

Regulating surgical robots

The US Food and Drug Administration (FDA) is the primary regulator of robots used in medicine.12 It has the authority to regulate surgical devices, including surgical robots—which it refers to as “robotically-assisted surgical devices,” or RASD. In 2000, it approved Intuitive Surgical’s daVinci system for use in surgery. In 2017, the FDA expanded its clearance to include the Senhance System of TransEnterix Surgical Inc. for minimally invasive gynecologic surgery.13 In 2021, the FDA cleared the Hominis Surgical System for transvaginal hysterectomy “in certain patients.” However, the FDA emphasized that this clearance is for benign hysterectomy with salpingo-oophorectomy.14 (The FDA has cleared various robotic devices for several other areas of surgical practice, including neurosurgery, orthopedics, and urology.)

The use of robots in cancer surgery is limited. The FDA approved specific RASDs in some “surgical procedures commonly performed in patients with cancer, such as hysterectomy, prostatectomy, and colectomy.”15 However, it cautioned that this clearance was based only on a 30-day patient follow up. More specifically, the FDA “has not evaluated the safety or effectiveness of RASD devices for the prevention or treatment of cancer, based on cancer-related outcomes such as overall survival, recurrence, and disease-free survival.”15

The FDA has clearly warned physicians and patients that the agency has not granted the use of RASDs “for any cancer-related surgery marketing authorization, and therefore the survival benefits to patients compared to traditional surgery have not been established.”15 (This did not apply to the hysterectomy surgery as noted above. More specifically, that clearance did not apply to anything other than 30-day results, nor to the efficacy related to cancer survival.)

States also have some authority to regulate medical practice within their borders.9 When the FDA has approved a device as safe and effective, however, there are limits on what states can do to regulate or impose liability on the approved product. The Supreme Court held that the FDA approval “pre-empted” some state action regarding approved devices.16

Hospitals, of course, regulate what is allowed within the hospital. For example, it may require training before a physician is permitted to use equipment, limit the conditions for which the equipment may be used, or decline to obtain equipment for use in the hospitals.17 In the case of RASDs, however, the high cost of equipment may provide an incentive for hospitals to urge the wide use of the latest robotic acquisition.18

Regulation aims primarily to protect patients, usually from injury or inadequate treatment. Some robotic surgery is likely to be more expensive than the same surgery without robotic assistance. The cost to the patient is not usually part of the FDA’s consideration. Insurance companies (including Medicare and Medicaid), however, do care about costs and will set or negotiate how much the reimbursement will be for a procedure. Third-party payers may decline to cover the additional cost when there is no apparent benefit from using the robot.19 For some institutions, the public perception that it offers “the most modern technology” is an important public message and a strong incentive to have the equipment.20

There are inconsistent studies about the advantages and disadvantages of RADS in gynecologic procedures, although there are few randomized studies.21 The demonstrated advantages are generally identified as somewhat shorter recovery time.22 The ultimate goal will be to minimize risks while maximizing the many potential benefits of robotic surgery.23

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