Analysis on Making of Finger Prosthesis using Amputation Surgery Method


Department of Surgery, Konaseema Institute of Medical Sciences Research Foundation, Amalapuram, Andhra Pradesh, India, 9666161609
Department of Obstetrics and Gynaecology, Konaseema Institute of Medical Sciences Research Foundation, Amalapuram, Andhra Pradesh, India
Department of Psychiatry, Meenakshi Academy of Higher Education and Research, Chennai, Tamil Nadu, India

Abstract

India is a vast country with a large number of individuals in the community with various disabilities. It had been estimated that there are roughly 0.62 amputees in India per thousand population. This translates to close to more than one million individuals with amputations. Digital amputation is a common injury. This very often results in extensive functional disability and a substantial psychological impact. More importantly, the outcome of digital dysfunction is detrimental to the patient's daily activities, such as buttoning a shirt or unlocking a door. Therefore, the overall goal for these patients is to rebuild a finger with the restoration of normal function, stability, length, and sensation. Prosthetic rehabilitation of amputated fingers is an attempt to rehabilitate aesthetics and limitedly function. A prosthesis will be a counterfeit body part that replaces a few of the work and presence of the absent a major aspect. The kind of your prosthetic hand, finger alternately arm will rely on upon the area Furthermore period for your remaining finger or hand Also your practical Also lifestyle necessities. It is critical with impart those exercises that you feel need aid. The separable die allowed the silicone to flow into narrow spaces. Once the mould is filled with silicone, the flask is closed and pressure is applied slowly.

Keywords

Digital Amputation, Rehabilitate, Aesthetics, Prosthetic, Substantial Psychological Impact

Introduction

Highly advanced prosthetic fingers like bionic fingers are astronomically expensive to the tune of $57000 to $73000. The professionally made expensive prosthesis is not within reach of common man and hence an attempt is made to satisfy the needs of the amputees using the facilities of the dental clinic. (Jankelson, 2005) The twelve-year-old girl lost two fingers of her right hand, which were rehabilitated with silicone prosthesis using the limited resources of dental clinic and laboratory. (Swanson, 2013) Clinical and laboratory steps are described in this article. Two phalanges of the middle and ring fingers were lost in an accident and when the patient reported, the wound was completely healed and without pain or tenderness (Figure 1). (Scarr & Harrison, 2017)

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/5d5d2a83-b4e7-4c2b-ad53-4426532e5643-upicture1.png
Figure 1: Two phalanges were lost in accident

It was decided to make the impression of the palm and adjacent two fingers using putty and light body elastomer. The ventral portion was copied with putty which was subsequently relined with a light body. The dorsal portion of the fingers and palm was then covered with a light body. Over the light body, putty was applied to complete the impression (Figure 5; Figure 4; Figure 3; Figure 2). (Mayer, 2004) While making the impression that care has to be taken to keep the fingers apart. Cast is poured in dental stone (Figure 6).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/847a7b15-708b-4a5f-8d96-91adf9a315b2-upicture2.png
Figure 2: Ventral portion of the palm covered with putty

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/a9058f47-8cc8-442e-be37-192dca31acca-upicture3.png
Figure 3: Putty was relined with light body and the dorsal portion of the fingers was covered with a light body

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/5464a9e6-9e0b-47bb-b765-daa260955ef3-upicture4.png
Figure 4: Over the light body, putty was applied to complete the impression

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/4cff8400-2cb2-4c03-ac19-bf54cd94b83c-upicture5.png
Figure 5: Completed impression

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/a049bd35-382b-4312-8a91-3cf7e319e926-upicture6.png
Figure 6: Completed cast

To make the working cast of the amputated fingers (stumps), another impression was made by painting thin consistency plaster over the fingers with a painting brush. Before that skin surface was smeared with petrolatum as a separating medium (Gauer & Semidey, 2015). Plaster was used to avoid possible compression of the soft tissue (Figure 8; Figure 7).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/990f777f-3b73-4ed6-b5d8-610248e06e6a-upicture7.png
Figure 7: Plaster painted on the stumps

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/f805669e-2647-4ca6-af95-454743d2530c-upicture8.png
Figure 8: Completed plaster impression

The tissue surface of the impression was washed with soap and water. A thin coat of alginate mould separator was applied on the plaster surface before pouring dental stone (Figure 9) (Mujakperuo, 2010).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/f2fb1a59-3e9c-44b5-ac63-ef40af46fbce-upicture9.png
Figure 9: Stone cast obtained from the impression

Features of the left hand fingers were copied in an alginate impression and wax patterns were fabricated by pouring molten modeling. The wax coating was limited to 1mm thickness so that a hollow wax pattern was obtained. However, the tip remained solid. Wax pattern was modified to suit the features of the right hand. A trial was taken with the wax pattern on the patient (Figure 11; Figure 10) (Ouanounou, 2017).

The hollow portion of the wax pattern was filled with dental stone and a twin pin die pin was fixed. Length of the pin was adjusted to suit the requirements of the die (Figure 13; Figure 12).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/6e555373-c051-4bcf-9580-dc2ab0ba865e-upicture10.png
Figure 10: Wax pattern

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/3aa510d3-4ac7-44a7-aea2-04a00a83f3f1-upicture11.png
Figure 11: Wax trial

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/46d24421-b253-4e1e-96d7-706a7a6f677a-upicture12.png
Figure 12: Wax pattern filled with dental stone and die pin fixed

A separable base was fabricated incorporating the pin. Adequate boxing was done with putty to make the base (Figure 17; Figure 16; Figure 15; Figure 14; Figure 13; Figure 12) (Gauer et al., 2015).

Wax pattern with the die and its base was flasked in a large denture flask as in a denture. Dewaxing was done in a water bath and the two piece mould was thus prepared. Mould separator was applied and allowed to dry. Silicone was obtained and pigments like white, yellow ochre, red and burnt umber were added and mixed briskly. Silicone for the nail portion is filled first with appropriate pigments and other portions subsequently (Figure 19; Figure 18) (Robert, 1995).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/0268ac56-421a-4226-bb17-48da1558c916-upicture13.png
Figure 13: Twin pin die pin

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/915b6ed0-4455-4868-acf9-6c87598d8b31-upicture14.png
Figure 14: Modified die pin

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/2e231711-de05-4f21-ab78-9913d46b5bfd-upicture15.png
Figure 15: Box is filled with dental stone

The flask is allowed to stay intact for at least 12 hours. The prosthesis is removed gently, excesses removed with sharp blades and the gloss eliminated by rubbing with plaster powder. The prosthesis is tried and usually suction developed inside will provide retention (Silva, 2016).

The technique and materials used are available in any dental clinic or lab. Medical grade silicone sealants can be used for this purpose. Silicone sealants keep its elasticity and stability in both high and low temperatures. Furthermore, silicone sealant is resistant to other chemicals, moisture, and weathering in Figure 20.

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/21041c71-c3b7-4781-aa09-570b95947602-upicture16.png
Figure 16: Base and die separated

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/ec1a47fe-baa9-482d-b4af-bc1e47eb6151-upicture17.png
Figure 17: Schematic diagram of the flasked wax pattern with the die

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/a2d68295-87ff-4b30-978a-dcbcd2ea7e03-upicture18.png
Figure 18: Silicone with pigments

An removal will be the removal, by mischance or by surgery, of a body part. Amputations in hand need aid generally the aftereffect of traumatic harm, in any case, might a chance to be those result of a wanted operation to prevent those spread about sickness Previously, a contaminated finger or hand. Occasionally, traumatically-amputated fingers might make replanted (reattached) in Figure 21. However, over a number cases, reattachment of the amputated finger is not time permits or prudent in view an individual might make additional agreeable Furthermore have superior capacity. On the a component will be not reattached. This is because of danger that those reattached a piece Might make chronically painful, stiff, or need an abnormal alternately absent feeling (Cooper & Kleinberg, 2007).

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/48953725-827f-4076-a052-779f2f136b97-upicture19.png
Figure 19: Cured silicone prosthesis in the flask

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/f52993d3-7f17-46ca-933d-8caab757b8fd-upicture20.png
Figure 20: Functional testing with a prosthesis

https://typeset-prod-media-server.s3.amazonaws.com/article_uploads/acc009bd-f96a-409d-b256-f8e4cef96a6d/image/aa0014b3-e074-498a-bf4f-ac10853e1718-upicture21.png
Figure 21: Pre and post restorative phase

Amputation Surgery

Pre-surgery

Former to a removal surgery, the specialist will do a watchful examination about your hand. Frequently all the specialist will acquire x-beams alternately different imaging investigations should survey those harm to your finger or hand. Those regions Furthermore amount for tissue that will make evacuated Throughout removal surgery will be In light of the degree of the damage and the well being of the remaining muscle to part (John, 2014).

Surgery

Done Numerous cases, the specialist has the ability with end those removal wound by rearranging skin. It might make necessary to abbreviate the bone or tendon thus that there's enough delicate tissue with spread those bone. Sometimes, the specialist might must utilization skin, muscle alternately tendons starting with another and only your physique with a blanket the wound. All the more broad removal injuries, the specialist might shape those finger alternately the hand will have the ability to fit a prosthetic hand or finger after the fact.

Sometimes, it will be necessary to experience more than a particular case technique on support maximal length Also work of the harmed territory.

Recuperation. To the initial few for weeks after removal surgery, you if anticipate a few aches. Torment might be controlled with agony medications, other medication, hand therapy, orthotics (braces alternately different supports), Also different techniques, for example, ice alternately high temperature. Same time you would healing, your specialist will let you how on wrap And administer to the surgical web page. Furthermore, The point when should give back of the office to catch up consideration.

On removal includes damage or surgery on your nerves, there might a chance to be a portion long haul side effects, for example, pain, icy sensitivity, abnormal sensations, or apparition sensation or pain, which will be At you feel that those absent piece will be still displayed. Keep your specialist dependent upon date for side effects; thus, suitable medicines might make executed. Though your side effects need aid incapacitating Also persistent, they could frequently figured out how for amendment surgery.

For example, you might feel touchy done an area, which will be created Toward a neuroma (an extended conclusion of the nerve that camwood make effortlessly irritated). There are new systems accessible that camwood makes supportive for A percentage to mitigate neuroma pain (Fernandez-Gonzalez, 2015).

Treatment. Post-amputation, you might be alluded to a word related or confirmed hand specialist will assistance recover work and address torment and abnormal sensation. You'll liable be given activities will Fabricate your quality And move forward range about movement or adaptability. You might make required should contact and move your skin will desensitize it And keep it versatile. Separate splints And steady units, for example, silicone gel sleeves might a chance to be furnished after your removal surgery. Guided engine imagery, mirror therapy, joint mobilization, tendon And nerve gliding, And blocking activities are regularly utilized to both a home Furthermore formal treatment project.

Prosthesis. The majority is critical for your specialist and prosthetist thereabouts that a suitable prosthesis camwood a chance to be gave to you then afterwards an amputation (American Academy of Pediatric Dentistry, 2015).

An prosthetic hand or finger camwood a chance to be supportive from various perspectives and can: • restore period will a incompletely amputated finger. • empower Restriction between the thumb Also An finger. • permit An hand amputee should settle Furthermore hold Questions for bendable fingers. Though your hand is amputated through or over the wrist, you might be given a full-arm prosthesis for an electric or mechanical hand. A portion removal patients might choose not to utilize An prosthesis.

An prosthesis may be settled on starting with feeling casts made starting with those remaining finger alternately appendage and the same region on the undamaged hand. This procedure could make an accurate match of the subtle elements of the whole hand. The prosthetic hand or finger is committed, starting with An flexible, transparent silicone elastic. Those shades in the silicone are deliberately matched to your skin tones on provide for the prosthesis the life-like gander And composition for genuine skin. It may be normally held with respect to by suction, and the adaptability of the silicone permits useful go about the movement of the remaining figure parts (Varga, 2010). Fingernails can a chance to be separately hued will match Just about superbly. Those nails might a chance to be polished with At whatever nail polish and the shine could be evacuated with a gentle-action nail shine remover. Silicones would be safe on staining, something like that inks wash off effectively with liquor alternately cleanser and warm water.

For fitting care, a silicone prosthesis might be final one 3-5 quite some time. Usually, creation of your prosthesis might start three months following you would mended from removal surgery And know swelling need subsided. You might need treatment will figure out to utilize your new prosthesis.

Conclusions

Passionate recuperation. Those reductions of a particular figure part, particularly you quit offering that one as unmistakable Concerning illustration An finger or hand, might be inwardly annoying. It might make a period with the transform in your manifestation and your capacity to work then afterwards a removal. Discussing these affections for your specialist or different patients who have endured starting with a removal often aides you come to terms for your reduction. You might solicit your specialist will suggest An instructor aid for this methodology. It is paramount with keep in mind that, with time, you will adjust will your circumstances Toward finding better approaches from claiming to complete your Everyday exercises. The amputee coalition for America may be an additional supportive asset. These assets camwood assistance you on adapt to change Throughout recuperation. It will be fundamental to keep in mind that personal satisfaction of term may be specifically identified with mentality And desires — not only acquiring Also utilizing An prosthesis.

Conflict of Interest

The authors declare that they have no conflict of interest for this study.

Funding Support

The authors declare that they have no funding support for this study.