The surgery requires the signature of an immediate family member, and the immediate family member must be an adult. Therefore, if the operation is performed, parents, spouse, and children will not be present. Only the patient's biological sister was present.

And the patient’s sister is an adult with civil capacity. Then the surgery can be performed after the sister signs it. This is OK. The person signing the surgery does not have to be an immediate family member. The surgical consent form, anesthesia consent form and power of attorney only need to be signed by the patient himself. However, in order to avoid risks caused by surgery, the hospital will require the patient and his close relatives to sign the surgery consent form and anesthesia consent form.

Article 165 of the "Civil Code" If the authorization for an agency is in written form, the power of attorney shall state the name of the agent, matters of agency, authority and period, and shall be signed by the principal. signature or seal.

Signature order of family members of the surgery

1. The person signing can be the patient himself or his family members. In an emergency, if the patient himself has lost consciousness or lost judgment, his colleagues, leaders, etc. can sign on his behalf. In more special circumstances, if the patient is in critical condition and no one is accompanying him, the hospital, in line with the principle of saving lives and healing the wounded, can report to the hospital leadership for approval and transfer to the green channel for emergency rescue.

2. Situations that require a signature: for example, before surgery, blood transfusion, or a medical measure that may cause harm to the patient. The doctor should explain to the patient the advantages of this medical treatment and the possible complications. The patient then signs if he agrees to the medical procedure. Otherwise, the doctor is not allowed to perform the procedure.

3. I can sign, but I must be of normal consciousness and have the ability to distinguish right from wrong. If the patient agrees but his family members firmly object, the doctor cannot perform medical treatment.