Surgical blade anatomy Sharp edge: Belly Tip Unsharpened ridge opposite to the edge: Spine Slot for scalpel Surgical blade numbers Here is a trick to know the surgical blades by numbers – a simple image mnemonic which will require your imagination. We will only discuss blades commonly used in our…
Category: Surgical Skills
Surgical instruments and surgical techniques
Surgical Skills
Pterygium Excision
Indications for surgery: 1. Reduced vision secondary to: Threatens visual axis: Pterygium advancing toward or already impinging visual axis Induced astigmatism: Due to flattening of meridian of pterygium by fibrosis in atrophic stage 2. Cosmesis 3. Significant discomfort not relieved by medical therapy 4. Diplopia: Resulting from limited ocular motility…
Surgical Skills
External Dacryocystorhinostomy (DCR)
Definition External Dacryocystorhinostomy (DCR) is the surgery to connect the mucosal surface of lacrimal sac to the nasal mucosa by removing the intervening bone. It creates a permanent anastomosis between the lacrimal sac and medial meatus of nose. Prerequisite Common canaliculi must be patent Indications of External Dacryocystorhinostomy Nasolacrimal duct…
Surgical Skills
Myringotomy and Tube Insertion
Synonyms: Of Myringotomy: Tympanotomy (Opening the middle ear cavity), Tympanostomy (Instillation of a ventillation tube), Myringocentesis Of Ventilation Tube (VT): Grommet, Pressure Equalization Tube, Ear tubes, Tympanostomy tubes Definition of Myringotomy Myringotomy is the incision on the tympanic membrane to remove accumulated fluid or to provide aeration in case of…