Path followed:
1. Are there any external resources that can be used by the damaged component?
Answer: Yes
2. Do these external resources directly repair the damaged component?
Answer: No
3. Are any of these external resources manufactured?
Answer: Yes
4. Is the faulty component needed for full functionality?
Answer: Yes
13) Sewing finger or toe back on
Humans can have accidents that lead to a finger or toe getting cut off. Surgeons are able to use microsurgery to reattach the finger or toe if
the digit can be saved. In this surgery the doctor uses thread and needles so small that microscopes and needle nosed jewelerÕs forceps are used instead of regular needles and thread (ÒMicrosurgery: Your Guide to RecoveryÓ). The surgeon reconnects the arteries and veins still in the hand or foot to the arteries and veins in the digit as their main priority so the digit wonÕt die. Their other priority is to set the bones
back together as best as possible so it can go through the healing process. They also try to reconnect tendons and soft tissue to better help the digit survive and improve its function (ÒMicrosurgery: Sewing Blood Vessels and Nerves Back TogetherÓ). Once the inner workings of the digit have been reconnected the surgeon will use regular needle and thread to stitch the epidermis of the hand or foot to the digit that was lost. Over time the wound will heal by cells in the epidermis proliferating and forming new skin layers that attach the two pieces together. Once the wound has healed there will be a noticeable fibrous scar instead of fully regenerative skin.
“Microsurgery: Your Guideto Recovery.” Microsurgery: Your Guide to Recovery. California Pacific Medical Center, 3 Dec. 2014. Web. 17 Jan. 2015.
http://www.cpmc.org/learning/documents/microsurgery.html#Whatis Microsurgery?
“Microsurgery: SewingBlood Vessels and Nerves Back Together :: Health Medicine.” Microsurgery:Sewing Blood Vessels and Nerves Back Together ::Health Medicine. 123HelpMe.com, 2014. Web. 17 Jan. 2015.
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