The gemara says (Brachos 60a, on the bottom):
אמר רב אחא הנכנס להקיז דם אומר יהי רצון מלפניך יי’ אלקי שיהא עסק זה לי לרפואה ותרפאני כי אל רופא נאמן אתה ורפואתך אמת לפי שאין דרכן של בני אדם לרפאות אלא שנהגו
Rav Acha said that someone who goes for bloodletting should say “May it be Your Will, Hashem my God, that this practice should be a healing, and I should be healed; for You are a trustworthy Healer and your healing is true,” because people don’t get healed by themselves (they need God to heal them).
( free translation )
This is brought down by the Rambam, Hilchot Berachot 10:21 (as well as Shulchan Aruch, Orach Chaim 230:4, who writes pretty much exactly the same wording as the Rambam). Here is what the Rambam says:
הַנִּכְנָס לְהַקִּיז דָּם אוֹמֵר יְהִי רָצוֹן מִלְּפָנֶיךָ יְיָ’ אֱלֹהַי שֶׁיְּהֵא עֵסֶק זֶה לִי לִרְפוּאָה כִּי רוֹפֵא חִנָּם אָתָּה. וּכְשֶׁיֵּצֵא אוֹמֵר בָּרוּךְ אַתָּה יְיָ’ רוֹפֵא חוֹלִים
One who goes for bloodletting should say “May it be Your Will, Hashem my God, that this practice should be a healing for me, because you are a free Doctor.” When he is finished, he should say “Blessed are You, O God, Healer of the sick.”
( free translation )
I’ve seen some cite the above Shulchan Aruch to require saying this before taking any medicine1 (I do this without using שם השם, when I remember to), even though he only said it regarding bloodletting. I would argue that bloodletting is close enough to surgery so that the same prayer can be used.
1Some have even made this into a card to hand out, as mentioned in one of the comments to the question.
Powerful Prayer . for Surgery. We have prayer written for the person facing surgery . AND . for the friends and family . of a person who is facing surgery.
20 Short But Effective Prayers for Surgery. January 9, 2018. 82451. Share on Facebook. Tweet on Twitter. Do you need a prayer for surgery? Even if nurses take care of hundreds of patients and see them being wheeled into the operating room, we can never be too tired to send out a wish and a prayer for a successful surgery. Here are 20 short but powerful prayers …
prayers for surgery. Prayer for Someone Going Into Surgery (a prayer for a friend to have a successful operation) Lord, You have soothed us, saying “do not worry about tomorrow”. Thank you that you pour out your spirit upon us a new each day. Thank you that your grace is sufficient for us within each moment that we live. So I pray for my …
The best surgery recovery starts with a prayer before surgery, especially a prayer for heart surgery. These free prayers for surgery are for you.
04.06.2012 · This a beautiful prayer and I will pray it on July 1st as one of my brothers is having a very delicate brain surgery I invite every one to please pray for him his name is Sam. Thank you and God Bless you.
Prayer When Facing Invasive Surgery . Heavenly Father, You know that I am having to face some invasive and unpleasant surgery and I come to You to ask You to keep my mind looking to Jesus and not to be anxious about anything, but be prepared to leave all things into Your gracious and willing hands.
A Prayer for Surgery (a prayer for someone to say before an operation) Maker of heaven and earth, Thank you for the role of doctors, nurses, and surgeons.
prayer before surgery This page features several prayers for those who are about to undergo an operation in hospital. The first prayer is a request for the protection of a friend and that the surgery may go well, followed by a prayer poem for healing and rest.
Prayers – Prayer Before Surgery @ $0.99 Loving Father, I entrust myself to your care this day; guide with wisdom and skill the minds and hands of the medical people who minister in your Name, and grant that every cause of illness be removed, I may be restored to soundness of health and learn to live in more perfect harmony with you and …
www.catholic.org › Prayers
Prayer For Someone Having Surgery. We also have Prayer For Someone Having Surgery quotes and sayings related to Prayer For Someone Having Surgery.
One prayer from Inspitational-Prayers.com is for the person going into surgery soon, and the patient asks God to strengthen their body and prepare it for the upcoming surgery. They also pray that the doctors be prepared and refreshed, and that their decisions be correct and accurate. The upcoming patient asks for provision and protection during recovery. Another prayer is for a friend to have a successful operation, found at PrayerScapes.com.
A prayer for a friend or relative about to have surgery asks for God to watch over the operation and protect the patient and intervene on their behalf. The prayer asks God to strengthen and prepare the patient’s body for surgery and fill their heart with peace, and for the outcome to be the very best.
The prayer for a friend to have a successful operation, from Prayerscapes.com, begins with a verse of praise to God. It talks of the encouragement “Do not worry about tomorrow,” and “your grace is sufficient for us.” The prayer asks for peace for the loved one and asks God to be present during the surgery. It concludes by asking God to hold the friend in His loving arms and to protect them from all harm.