Ординатура / Офтальмология / Английские материалы / Basic Principles of Ophthalmic Surgery_Arnold_2006
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Figure 5.34. LesterIOL
manipulator.
Figure 5.35. Kuglen iris hook (to manipulate the iris) and lens
manipulator.
Figure 5.36. Bechert nucleus rotator for phacoemulsification. The V-shaped tip allows the rotator to embed in the nucleus for rotation.
Figure 5.37. Jamison muscle hook
used in strabismus surgery. Bulb on the end.
Figure 5.38. Stevens hook used in strabismus surgery. No bulb on the end.
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Needle Holders
Needle holders areusedto hold the suture needle,which provides the surgeon with more control of the suturing process.In use,the needleholder is cradled like a pencil.
Figure 5.43. Needle holders for suturing can be straight or curved. Additionally, they can be supplied with or without a lock, to hold the needle in place in the jaws. The example shown here is a curved Barraquer needle holder.
Figure 5.44. Example of a straight needle holder with straight, standard jaws and lock (Castroviejo).
Cannulas
Cannulasaresmall,tube-like instruments frequently used in ophthalmic surgery to inject or extractfluid or air.
Figure 5.45. Anterior chamber irrigating cannula. Example of Knolle irrigating cannula with 450 angled tip, available in different gauges.
Figure 5.46. J-shaped hydrodissec-tion cannula. Hydrodissection cannu-
lae are available with a variety of tip designs, allowing improved access under the anterior capsular edge.
