Term
| What is a Round bodied needle good for? |
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Definition
Available with plain collagen and polyglactin (vicryl)
USE: Conjunctival closure |
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Term
| What is a Round bodied with cutting tip(taper cut) needle used for? |
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Definition
Initially cuts like cutting needle, minimal trauma
USE: Lacrimal sac and nasal mucosa |
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Term
| What is a Reverse cutting (micropoint)needle used for? |
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Definition
Triangular needle with third cutting edge on the outside of curvature.
USE: Eliminates possibility of outward tearing while suturing |
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Term
| Spatula micropoint needle is good for what? |
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Definition
USE: Corneal and corneoscleral suturing
(fine needle with thin flat profile) |
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Term
| What is a Spatulated needle used on? |
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Definition
USE: Scleral passage in strabismus correction, retinal detachment repair.
(Similar to spatula) |
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Term
| What type of suture material should be used on a Corneal incision closure? |
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Definition
| Monofilament nylon; strong and doesn't support bacterial growth. |
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Term
| What suture material is good to use on Intraocular lens fixation |
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Definition
| Monofilament polypropylene(Prolene); supple, nonabsorbable and it ties well. |
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Term
| In Scleral tissue during retinal surgery, what type of suture material is ideal? |
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Definition
| Multifilament polyester-polybutilate coated (Dacron); braided and coated for lubrication and smooth passage |
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Term
| Braided silk has various uses. What is it's tensile strength and tissue reaction? |
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Definition
| tensile strength is high and tissue reaction less than chromic gut but more than synthetic sutures. |
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Term
| Plain and chromic gut suture is absorbable and has various uses. It maintains tensile strength for up to 2 weeks. How long for complete absorption? |
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Definition
| 70 days for Plain gut and 90 days for Chromic gut suture. |
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Term
| Extruded collagen suture (various uses) is made from what? and absorbs at what rate? |
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Definition
| It's made from Bovine tendon and has consistent strength. It absorbs at the same rate as plain gut (7-10 days and 70 days for complete) |
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Term
| How long does Polyglactin (Vicryl) retain it's strength? |
|
Definition
| 30 days, absorbs in 60-90 days. Less irritating than Gut. Various uses |
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Term
| What is multifilament polyester polybutilate caoted suture? |
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Definition
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Term
| What is monofilament polypropylene? |
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Definition
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Term
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Definition
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